root / lib / cmdlib.py @ 21a15682
History | View | Annotate | Download (179.9 kB)
1 | 2f31098c | Iustin Pop | #
|
---|---|---|---|
2 | a8083063 | Iustin Pop | #
|
3 | a8083063 | Iustin Pop | |
4 | e7c6e02b | Michael Hanselmann | # Copyright (C) 2006, 2007, 2008 Google Inc.
|
5 | a8083063 | Iustin Pop | #
|
6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
|
7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
|
8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
|
9 | a8083063 | Iustin Pop | # (at your option) any later version.
|
10 | a8083063 | Iustin Pop | #
|
11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
|
12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | a8083063 | Iustin Pop | # General Public License for more details.
|
15 | a8083063 | Iustin Pop | #
|
16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
|
17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
|
18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 | a8083063 | Iustin Pop | # 02110-1301, USA.
|
20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 880478f8 | Iustin Pop | """Module implementing the master-side code."""
|
23 | a8083063 | Iustin Pop | |
24 | a8083063 | Iustin Pop | # pylint: disable-msg=W0613,W0201
|
25 | a8083063 | Iustin Pop | |
26 | a8083063 | Iustin Pop | import os |
27 | a8083063 | Iustin Pop | import os.path |
28 | a8083063 | Iustin Pop | import sha |
29 | a8083063 | Iustin Pop | import time |
30 | a8083063 | Iustin Pop | import tempfile |
31 | a8083063 | Iustin Pop | import re |
32 | a8083063 | Iustin Pop | import platform |
33 | a8083063 | Iustin Pop | |
34 | a8083063 | Iustin Pop | from ganeti import rpc |
35 | a8083063 | Iustin Pop | from ganeti import ssh |
36 | a8083063 | Iustin Pop | from ganeti import logger |
37 | a8083063 | Iustin Pop | from ganeti import utils |
38 | a8083063 | Iustin Pop | from ganeti import errors |
39 | a8083063 | Iustin Pop | from ganeti import hypervisor |
40 | 6048c986 | Guido Trotter | from ganeti import locking |
41 | a8083063 | Iustin Pop | from ganeti import constants |
42 | a8083063 | Iustin Pop | from ganeti import objects |
43 | a8083063 | Iustin Pop | from ganeti import opcodes |
44 | 8d14b30d | Iustin Pop | from ganeti import serializer |
45 | d61df03e | Iustin Pop | |
46 | d61df03e | Iustin Pop | |
47 | a8083063 | Iustin Pop | class LogicalUnit(object): |
48 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
|
49 | a8083063 | Iustin Pop |
|
50 | a8083063 | Iustin Pop | Subclasses must follow these rules:
|
51 | d465bdc8 | Guido Trotter | - implement ExpandNames
|
52 | d465bdc8 | Guido Trotter | - implement CheckPrereq
|
53 | a8083063 | Iustin Pop | - implement Exec
|
54 | a8083063 | Iustin Pop | - implement BuildHooksEnv
|
55 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
|
56 | 05f86716 | Guido Trotter | - optionally redefine their run requirements:
|
57 | 05f86716 | Guido Trotter | REQ_MASTER: the LU needs to run on the master node
|
58 | 05f86716 | Guido Trotter | REQ_WSSTORE: the LU needs a writable SimpleStore
|
59 | 7e55040e | Guido Trotter | REQ_BGL: the LU needs to hold the Big Ganeti Lock exclusively
|
60 | 05f86716 | Guido Trotter |
|
61 | 05f86716 | Guido Trotter | Note that all commands require root permissions.
|
62 | a8083063 | Iustin Pop |
|
63 | a8083063 | Iustin Pop | """
|
64 | a8083063 | Iustin Pop | HPATH = None
|
65 | a8083063 | Iustin Pop | HTYPE = None
|
66 | a8083063 | Iustin Pop | _OP_REQP = [] |
67 | a8083063 | Iustin Pop | REQ_MASTER = True
|
68 | 05f86716 | Guido Trotter | REQ_WSSTORE = False
|
69 | 7e55040e | Guido Trotter | REQ_BGL = True
|
70 | a8083063 | Iustin Pop | |
71 | 77b657a3 | Guido Trotter | def __init__(self, processor, op, context, sstore): |
72 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
|
73 | a8083063 | Iustin Pop |
|
74 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
|
75 | a8083063 | Iustin Pop | validity.
|
76 | a8083063 | Iustin Pop |
|
77 | a8083063 | Iustin Pop | """
|
78 | 5bfac263 | Iustin Pop | self.proc = processor
|
79 | a8083063 | Iustin Pop | self.op = op
|
80 | 77b657a3 | Guido Trotter | self.cfg = context.cfg
|
81 | a8083063 | Iustin Pop | self.sstore = sstore
|
82 | 77b657a3 | Guido Trotter | self.context = context
|
83 | d465bdc8 | Guido Trotter | self.needed_locks = None |
84 | 6683bba2 | Guido Trotter | self.acquired_locks = {}
|
85 | 3977a4c1 | Guido Trotter | self.share_locks = dict(((i, 0) for i in locking.LEVELS)) |
86 | c4a2fee1 | Guido Trotter | # Used to force good behavior when calling helper functions
|
87 | c4a2fee1 | Guido Trotter | self.recalculate_locks = {}
|
88 | c92b310a | Michael Hanselmann | self.__ssh = None |
89 | c92b310a | Michael Hanselmann | |
90 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
91 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
92 | a8083063 | Iustin Pop | if attr_val is None: |
93 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
94 | 3ecf6786 | Iustin Pop | attr_name) |
95 | c6d58a2b | Michael Hanselmann | |
96 | f64c9de6 | Guido Trotter | if not self.cfg.IsCluster(): |
97 | c6d58a2b | Michael Hanselmann | raise errors.OpPrereqError("Cluster not initialized yet," |
98 | c6d58a2b | Michael Hanselmann | " use 'gnt-cluster init' first.")
|
99 | c6d58a2b | Michael Hanselmann | if self.REQ_MASTER: |
100 | c6d58a2b | Michael Hanselmann | master = sstore.GetMasterNode() |
101 | c6d58a2b | Michael Hanselmann | if master != utils.HostInfo().name:
|
102 | c6d58a2b | Michael Hanselmann | raise errors.OpPrereqError("Commands must be run on the master" |
103 | c6d58a2b | Michael Hanselmann | " node %s" % master)
|
104 | a8083063 | Iustin Pop | |
105 | c92b310a | Michael Hanselmann | def __GetSSH(self): |
106 | c92b310a | Michael Hanselmann | """Returns the SshRunner object
|
107 | c92b310a | Michael Hanselmann |
|
108 | c92b310a | Michael Hanselmann | """
|
109 | c92b310a | Michael Hanselmann | if not self.__ssh: |
110 | 1ff08570 | Michael Hanselmann | self.__ssh = ssh.SshRunner(self.sstore) |
111 | c92b310a | Michael Hanselmann | return self.__ssh |
112 | c92b310a | Michael Hanselmann | |
113 | c92b310a | Michael Hanselmann | ssh = property(fget=__GetSSH)
|
114 | c92b310a | Michael Hanselmann | |
115 | d465bdc8 | Guido Trotter | def ExpandNames(self): |
116 | d465bdc8 | Guido Trotter | """Expand names for this LU.
|
117 | d465bdc8 | Guido Trotter |
|
118 | d465bdc8 | Guido Trotter | This method is called before starting to execute the opcode, and it should
|
119 | d465bdc8 | Guido Trotter | update all the parameters of the opcode to their canonical form (e.g. a
|
120 | d465bdc8 | Guido Trotter | short node name must be fully expanded after this method has successfully
|
121 | d465bdc8 | Guido Trotter | completed). This way locking, hooks, logging, ecc. can work correctly.
|
122 | d465bdc8 | Guido Trotter |
|
123 | d465bdc8 | Guido Trotter | LUs which implement this method must also populate the self.needed_locks
|
124 | d465bdc8 | Guido Trotter | member, as a dict with lock levels as keys, and a list of needed lock names
|
125 | d465bdc8 | Guido Trotter | as values. Rules:
|
126 | d465bdc8 | Guido Trotter | - Use an empty dict if you don't need any lock
|
127 | d465bdc8 | Guido Trotter | - If you don't need any lock at a particular level omit that level
|
128 | d465bdc8 | Guido Trotter | - Don't put anything for the BGL level
|
129 | d465bdc8 | Guido Trotter | - If you want all locks at a level use None as a value
|
130 | d465bdc8 | Guido Trotter | (this reflects what LockSet does, and will be replaced before
|
131 | d465bdc8 | Guido Trotter | CheckPrereq with the full list of nodes that have been locked)
|
132 | d465bdc8 | Guido Trotter |
|
133 | 3977a4c1 | Guido Trotter | If you need to share locks (rather than acquire them exclusively) at one
|
134 | 3977a4c1 | Guido Trotter | level you can modify self.share_locks, setting a true value (usually 1) for
|
135 | 3977a4c1 | Guido Trotter | that level. By default locks are not shared.
|
136 | 3977a4c1 | Guido Trotter |
|
137 | d465bdc8 | Guido Trotter | Examples:
|
138 | d465bdc8 | Guido Trotter | # Acquire all nodes and one instance
|
139 | d465bdc8 | Guido Trotter | self.needed_locks = {
|
140 | d465bdc8 | Guido Trotter | locking.LEVEL_NODE: None,
|
141 | d465bdc8 | Guido Trotter | locking.LEVEL_INSTANCES: ['instance1.example.tld'],
|
142 | d465bdc8 | Guido Trotter | }
|
143 | d465bdc8 | Guido Trotter | # Acquire just two nodes
|
144 | d465bdc8 | Guido Trotter | self.needed_locks = {
|
145 | d465bdc8 | Guido Trotter | locking.LEVEL_NODE: ['node1.example.tld', 'node2.example.tld'],
|
146 | d465bdc8 | Guido Trotter | }
|
147 | d465bdc8 | Guido Trotter | # Acquire no locks
|
148 | d465bdc8 | Guido Trotter | self.needed_locks = {} # No, you can't leave it to the default value None
|
149 | d465bdc8 | Guido Trotter |
|
150 | d465bdc8 | Guido Trotter | """
|
151 | d465bdc8 | Guido Trotter | # The implementation of this method is mandatory only if the new LU is
|
152 | d465bdc8 | Guido Trotter | # concurrent, so that old LUs don't need to be changed all at the same
|
153 | d465bdc8 | Guido Trotter | # time.
|
154 | d465bdc8 | Guido Trotter | if self.REQ_BGL: |
155 | d465bdc8 | Guido Trotter | self.needed_locks = {} # Exclusive LUs don't need locks. |
156 | d465bdc8 | Guido Trotter | else:
|
157 | d465bdc8 | Guido Trotter | raise NotImplementedError |
158 | d465bdc8 | Guido Trotter | |
159 | fb8dcb62 | Guido Trotter | def DeclareLocks(self, level): |
160 | fb8dcb62 | Guido Trotter | """Declare LU locking needs for a level
|
161 | fb8dcb62 | Guido Trotter |
|
162 | fb8dcb62 | Guido Trotter | While most LUs can just declare their locking needs at ExpandNames time,
|
163 | fb8dcb62 | Guido Trotter | sometimes there's the need to calculate some locks after having acquired
|
164 | fb8dcb62 | Guido Trotter | the ones before. This function is called just before acquiring locks at a
|
165 | fb8dcb62 | Guido Trotter | particular level, but after acquiring the ones at lower levels, and permits
|
166 | fb8dcb62 | Guido Trotter | such calculations. It can be used to modify self.needed_locks, and by
|
167 | fb8dcb62 | Guido Trotter | default it does nothing.
|
168 | fb8dcb62 | Guido Trotter |
|
169 | fb8dcb62 | Guido Trotter | This function is only called if you have something already set in
|
170 | fb8dcb62 | Guido Trotter | self.needed_locks for the level.
|
171 | fb8dcb62 | Guido Trotter |
|
172 | fb8dcb62 | Guido Trotter | @param level: Locking level which is going to be locked
|
173 | fb8dcb62 | Guido Trotter | @type level: member of ganeti.locking.LEVELS
|
174 | fb8dcb62 | Guido Trotter |
|
175 | fb8dcb62 | Guido Trotter | """
|
176 | fb8dcb62 | Guido Trotter | |
177 | a8083063 | Iustin Pop | def CheckPrereq(self): |
178 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
|
179 | a8083063 | Iustin Pop |
|
180 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
|
181 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
|
182 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
|
183 | a8083063 | Iustin Pop | allowed.
|
184 | a8083063 | Iustin Pop |
|
185 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
|
186 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
|
187 | a8083063 | Iustin Pop |
|
188 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
|
189 | d465bdc8 | Guido Trotter | their canonical form if it hasn't been done by ExpandNames before.
|
190 | a8083063 | Iustin Pop |
|
191 | a8083063 | Iustin Pop | """
|
192 | a8083063 | Iustin Pop | raise NotImplementedError |
193 | a8083063 | Iustin Pop | |
194 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
195 | a8083063 | Iustin Pop | """Execute the LU.
|
196 | a8083063 | Iustin Pop |
|
197 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
|
198 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
|
199 | a8083063 | Iustin Pop | code, or expected.
|
200 | a8083063 | Iustin Pop |
|
201 | a8083063 | Iustin Pop | """
|
202 | a8083063 | Iustin Pop | raise NotImplementedError |
203 | a8083063 | Iustin Pop | |
204 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
205 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
|
206 | a8083063 | Iustin Pop |
|
207 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
|
208 | a8083063 | Iustin Pop | containing the environment that will be used for running the
|
209 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
|
210 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
|
211 | a8083063 | Iustin Pop | the hook should run after the execution.
|
212 | a8083063 | Iustin Pop |
|
213 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
|
214 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
|
215 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
|
216 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
|
217 | a8083063 | Iustin Pop |
|
218 | 8a3fe350 | Guido Trotter | No nodes should be returned as an empty list (and not None).
|
219 | a8083063 | Iustin Pop |
|
220 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
|
221 | a8083063 | Iustin Pop | not be called.
|
222 | a8083063 | Iustin Pop |
|
223 | a8083063 | Iustin Pop | """
|
224 | a8083063 | Iustin Pop | raise NotImplementedError |
225 | a8083063 | Iustin Pop | |
226 | 1fce5219 | Guido Trotter | def HooksCallBack(self, phase, hook_results, feedback_fn, lu_result): |
227 | 1fce5219 | Guido Trotter | """Notify the LU about the results of its hooks.
|
228 | 1fce5219 | Guido Trotter |
|
229 | 1fce5219 | Guido Trotter | This method is called every time a hooks phase is executed, and notifies
|
230 | 1fce5219 | Guido Trotter | the Logical Unit about the hooks' result. The LU can then use it to alter
|
231 | 1fce5219 | Guido Trotter | its result based on the hooks. By default the method does nothing and the
|
232 | 1fce5219 | Guido Trotter | previous result is passed back unchanged but any LU can define it if it
|
233 | 1fce5219 | Guido Trotter | wants to use the local cluster hook-scripts somehow.
|
234 | 1fce5219 | Guido Trotter |
|
235 | 1fce5219 | Guido Trotter | Args:
|
236 | 1fce5219 | Guido Trotter | phase: the hooks phase that has just been run
|
237 | 1fce5219 | Guido Trotter | hooks_results: the results of the multi-node hooks rpc call
|
238 | 1fce5219 | Guido Trotter | feedback_fn: function to send feedback back to the caller
|
239 | 1fce5219 | Guido Trotter | lu_result: the previous result this LU had, or None in the PRE phase.
|
240 | 1fce5219 | Guido Trotter |
|
241 | 1fce5219 | Guido Trotter | """
|
242 | 1fce5219 | Guido Trotter | return lu_result
|
243 | 1fce5219 | Guido Trotter | |
244 | 43905206 | Guido Trotter | def _ExpandAndLockInstance(self): |
245 | 43905206 | Guido Trotter | """Helper function to expand and lock an instance.
|
246 | 43905206 | Guido Trotter |
|
247 | 43905206 | Guido Trotter | Many LUs that work on an instance take its name in self.op.instance_name
|
248 | 43905206 | Guido Trotter | and need to expand it and then declare the expanded name for locking. This
|
249 | 43905206 | Guido Trotter | function does it, and then updates self.op.instance_name to the expanded
|
250 | 43905206 | Guido Trotter | name. It also initializes needed_locks as a dict, if this hasn't been done
|
251 | 43905206 | Guido Trotter | before.
|
252 | 43905206 | Guido Trotter |
|
253 | 43905206 | Guido Trotter | """
|
254 | 43905206 | Guido Trotter | if self.needed_locks is None: |
255 | 43905206 | Guido Trotter | self.needed_locks = {}
|
256 | 43905206 | Guido Trotter | else:
|
257 | 43905206 | Guido Trotter | assert locking.LEVEL_INSTANCE not in self.needed_locks, \ |
258 | 43905206 | Guido Trotter | "_ExpandAndLockInstance called with instance-level locks set"
|
259 | 43905206 | Guido Trotter | expanded_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
260 | 43905206 | Guido Trotter | if expanded_name is None: |
261 | 43905206 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' not known" % |
262 | 43905206 | Guido Trotter | self.op.instance_name)
|
263 | 43905206 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = expanded_name
|
264 | 43905206 | Guido Trotter | self.op.instance_name = expanded_name
|
265 | 43905206 | Guido Trotter | |
266 | c4a2fee1 | Guido Trotter | def _LockInstancesNodes(self): |
267 | c4a2fee1 | Guido Trotter | """Helper function to declare instances' nodes for locking.
|
268 | c4a2fee1 | Guido Trotter |
|
269 | c4a2fee1 | Guido Trotter | This function should be called after locking one or more instances to lock
|
270 | c4a2fee1 | Guido Trotter | their nodes. Its effect is populating self.needed_locks[locking.LEVEL_NODE]
|
271 | c4a2fee1 | Guido Trotter | with all primary or secondary nodes for instances already locked and
|
272 | c4a2fee1 | Guido Trotter | present in self.needed_locks[locking.LEVEL_INSTANCE].
|
273 | c4a2fee1 | Guido Trotter |
|
274 | c4a2fee1 | Guido Trotter | It should be called from DeclareLocks, and for safety only works if
|
275 | c4a2fee1 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] is set.
|
276 | c4a2fee1 | Guido Trotter |
|
277 | c4a2fee1 | Guido Trotter | In the future it may grow parameters to just lock some instance's nodes, or
|
278 | c4a2fee1 | Guido Trotter | to just lock primaries or secondary nodes, if needed.
|
279 | c4a2fee1 | Guido Trotter |
|
280 | c4a2fee1 | Guido Trotter | If should be called in DeclareLocks in a way similar to:
|
281 | c4a2fee1 | Guido Trotter |
|
282 | c4a2fee1 | Guido Trotter | if level == locking.LEVEL_NODE:
|
283 | c4a2fee1 | Guido Trotter | self._LockInstancesNodes()
|
284 | c4a2fee1 | Guido Trotter |
|
285 | c4a2fee1 | Guido Trotter | """
|
286 | c4a2fee1 | Guido Trotter | assert locking.LEVEL_NODE in self.recalculate_locks, \ |
287 | c4a2fee1 | Guido Trotter | "_LockInstancesNodes helper function called with no nodes to recalculate"
|
288 | c4a2fee1 | Guido Trotter | |
289 | c4a2fee1 | Guido Trotter | # TODO: check if we're really been called with the instance locks held
|
290 | c4a2fee1 | Guido Trotter | |
291 | c4a2fee1 | Guido Trotter | # For now we'll replace self.needed_locks[locking.LEVEL_NODE], but in the
|
292 | c4a2fee1 | Guido Trotter | # future we might want to have different behaviors depending on the value
|
293 | c4a2fee1 | Guido Trotter | # of self.recalculate_locks[locking.LEVEL_NODE]
|
294 | c4a2fee1 | Guido Trotter | wanted_nodes = [] |
295 | 6683bba2 | Guido Trotter | for instance_name in self.acquired_locks[locking.LEVEL_INSTANCE]: |
296 | c4a2fee1 | Guido Trotter | instance = self.context.cfg.GetInstanceInfo(instance_name)
|
297 | c4a2fee1 | Guido Trotter | wanted_nodes.append(instance.primary_node) |
298 | c4a2fee1 | Guido Trotter | wanted_nodes.extend(instance.secondary_nodes) |
299 | c4a2fee1 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = wanted_nodes
|
300 | c4a2fee1 | Guido Trotter | |
301 | c4a2fee1 | Guido Trotter | del self.recalculate_locks[locking.LEVEL_NODE] |
302 | c4a2fee1 | Guido Trotter | |
303 | a8083063 | Iustin Pop | |
304 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
305 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
|
306 | a8083063 | Iustin Pop |
|
307 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
|
308 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
|
309 | a8083063 | Iustin Pop |
|
310 | a8083063 | Iustin Pop | """
|
311 | a8083063 | Iustin Pop | HPATH = None
|
312 | a8083063 | Iustin Pop | HTYPE = None
|
313 | a8083063 | Iustin Pop | |
314 | a8083063 | Iustin Pop | |
315 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
316 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
317 | 83120a01 | Michael Hanselmann |
|
318 | 83120a01 | Michael Hanselmann | Args:
|
319 | 83120a01 | Michael Hanselmann | nodes: List of nodes (strings) or None for all
|
320 | 83120a01 | Michael Hanselmann |
|
321 | 83120a01 | Michael Hanselmann | """
|
322 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
323 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
324 | dcb93971 | Michael Hanselmann | |
325 | dcb93971 | Michael Hanselmann | if nodes:
|
326 | 3312b702 | Iustin Pop | wanted = [] |
327 | dcb93971 | Michael Hanselmann | |
328 | dcb93971 | Michael Hanselmann | for name in nodes: |
329 | a7ba5e53 | Iustin Pop | node = lu.cfg.ExpandNodeName(name) |
330 | dcb93971 | Michael Hanselmann | if node is None: |
331 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such node name '%s'" % name) |
332 | 3312b702 | Iustin Pop | wanted.append(node) |
333 | dcb93971 | Michael Hanselmann | |
334 | dcb93971 | Michael Hanselmann | else:
|
335 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetNodeList() |
336 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
337 | 3312b702 | Iustin Pop | |
338 | 3312b702 | Iustin Pop | |
339 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
340 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
341 | 3312b702 | Iustin Pop |
|
342 | 3312b702 | Iustin Pop | Args:
|
343 | 3312b702 | Iustin Pop | instances: List of instances (strings) or None for all
|
344 | 3312b702 | Iustin Pop |
|
345 | 3312b702 | Iustin Pop | """
|
346 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
347 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
348 | 3312b702 | Iustin Pop | |
349 | 3312b702 | Iustin Pop | if instances:
|
350 | 3312b702 | Iustin Pop | wanted = [] |
351 | 3312b702 | Iustin Pop | |
352 | 3312b702 | Iustin Pop | for name in instances: |
353 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
354 | 3312b702 | Iustin Pop | if instance is None: |
355 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
356 | 3312b702 | Iustin Pop | wanted.append(instance) |
357 | 3312b702 | Iustin Pop | |
358 | 3312b702 | Iustin Pop | else:
|
359 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
360 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
361 | dcb93971 | Michael Hanselmann | |
362 | dcb93971 | Michael Hanselmann | |
363 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
364 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
365 | 83120a01 | Michael Hanselmann |
|
366 | 83120a01 | Michael Hanselmann | Args:
|
367 | 83120a01 | Michael Hanselmann | static: Static fields
|
368 | 83120a01 | Michael Hanselmann | dynamic: Dynamic fields
|
369 | 83120a01 | Michael Hanselmann |
|
370 | 83120a01 | Michael Hanselmann | """
|
371 | 83120a01 | Michael Hanselmann | static_fields = frozenset(static)
|
372 | 83120a01 | Michael Hanselmann | dynamic_fields = frozenset(dynamic)
|
373 | dcb93971 | Michael Hanselmann | |
374 | 83120a01 | Michael Hanselmann | all_fields = static_fields | dynamic_fields |
375 | dcb93971 | Michael Hanselmann | |
376 | 83120a01 | Michael Hanselmann | if not all_fields.issuperset(selected): |
377 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
378 | 3ecf6786 | Iustin Pop | % ",".join(frozenset(selected). |
379 | 3ecf6786 | Iustin Pop | difference(all_fields))) |
380 | dcb93971 | Michael Hanselmann | |
381 | dcb93971 | Michael Hanselmann | |
382 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
383 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
384 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from single variables.
|
385 | ecb215b5 | Michael Hanselmann |
|
386 | ecb215b5 | Michael Hanselmann | Args:
|
387 | ecb215b5 | Michael Hanselmann | secondary_nodes: List of secondary nodes as strings
|
388 | 396e1b78 | Michael Hanselmann | """
|
389 | 396e1b78 | Michael Hanselmann | env = { |
390 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
391 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
392 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
393 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
394 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
395 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
|
396 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
397 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
398 | 396e1b78 | Michael Hanselmann | } |
399 | 396e1b78 | Michael Hanselmann | |
400 | 396e1b78 | Michael Hanselmann | if nics:
|
401 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
402 | 53e4e875 | Guido Trotter | for idx, (ip, bridge, mac) in enumerate(nics): |
403 | 396e1b78 | Michael Hanselmann | if ip is None: |
404 | 396e1b78 | Michael Hanselmann | ip = ""
|
405 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
406 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
|
407 | 53e4e875 | Guido Trotter | env["INSTANCE_NIC%d_HWADDR" % idx] = mac
|
408 | 396e1b78 | Michael Hanselmann | else:
|
409 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
410 | 396e1b78 | Michael Hanselmann | |
411 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
412 | 396e1b78 | Michael Hanselmann | |
413 | 396e1b78 | Michael Hanselmann | return env
|
414 | 396e1b78 | Michael Hanselmann | |
415 | 396e1b78 | Michael Hanselmann | |
416 | 396e1b78 | Michael Hanselmann | def _BuildInstanceHookEnvByObject(instance, override=None): |
417 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
418 | ecb215b5 | Michael Hanselmann |
|
419 | ecb215b5 | Michael Hanselmann | Args:
|
420 | ecb215b5 | Michael Hanselmann | instance: objects.Instance object of instance
|
421 | ecb215b5 | Michael Hanselmann | override: dict of values to override
|
422 | ecb215b5 | Michael Hanselmann | """
|
423 | 396e1b78 | Michael Hanselmann | args = { |
424 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
425 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
426 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
427 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
428 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
|
429 | 396e1b78 | Michael Hanselmann | 'memory': instance.memory,
|
430 | 396e1b78 | Michael Hanselmann | 'vcpus': instance.vcpus,
|
431 | 53e4e875 | Guido Trotter | 'nics': [(nic.ip, nic.bridge, nic.mac) for nic in instance.nics], |
432 | 396e1b78 | Michael Hanselmann | } |
433 | 396e1b78 | Michael Hanselmann | if override:
|
434 | 396e1b78 | Michael Hanselmann | args.update(override) |
435 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
436 | 396e1b78 | Michael Hanselmann | |
437 | 396e1b78 | Michael Hanselmann | |
438 | bf6929a2 | Alexander Schreiber | def _CheckInstanceBridgesExist(instance): |
439 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
440 | bf6929a2 | Alexander Schreiber |
|
441 | bf6929a2 | Alexander Schreiber | """
|
442 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
443 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
444 | bf6929a2 | Alexander Schreiber | if not rpc.call_bridges_exist(instance.primary_node, brlist): |
445 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("one or more target bridges %s does not" |
446 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
447 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
448 | bf6929a2 | Alexander Schreiber | |
449 | bf6929a2 | Alexander Schreiber | |
450 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
451 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
452 | a8083063 | Iustin Pop |
|
453 | a8083063 | Iustin Pop | """
|
454 | a8083063 | Iustin Pop | _OP_REQP = [] |
455 | a8083063 | Iustin Pop | |
456 | a8083063 | Iustin Pop | def CheckPrereq(self): |
457 | a8083063 | Iustin Pop | """Check prerequisites.
|
458 | a8083063 | Iustin Pop |
|
459 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
460 | a8083063 | Iustin Pop |
|
461 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
462 | a8083063 | Iustin Pop |
|
463 | a8083063 | Iustin Pop | """
|
464 | 880478f8 | Iustin Pop | master = self.sstore.GetMasterNode()
|
465 | a8083063 | Iustin Pop | |
466 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
467 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
468 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
469 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
470 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
471 | db915bd1 | Michael Hanselmann | if instancelist:
|
472 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
473 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
474 | a8083063 | Iustin Pop | |
475 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
476 | a8083063 | Iustin Pop | """Destroys the cluster.
|
477 | a8083063 | Iustin Pop |
|
478 | a8083063 | Iustin Pop | """
|
479 | c8a0948f | Michael Hanselmann | master = self.sstore.GetMasterNode()
|
480 | 1c65840b | Iustin Pop | if not rpc.call_node_stop_master(master, False): |
481 | c9064964 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
482 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
483 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
484 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
485 | 140aa4a8 | Iustin Pop | return master
|
486 | a8083063 | Iustin Pop | |
487 | a8083063 | Iustin Pop | |
488 | d8fff41c | Guido Trotter | class LUVerifyCluster(LogicalUnit): |
489 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
490 | a8083063 | Iustin Pop |
|
491 | a8083063 | Iustin Pop | """
|
492 | d8fff41c | Guido Trotter | HPATH = "cluster-verify"
|
493 | d8fff41c | Guido Trotter | HTYPE = constants.HTYPE_CLUSTER |
494 | e54c4c5e | Guido Trotter | _OP_REQP = ["skip_checks"]
|
495 | a8083063 | Iustin Pop | |
496 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
497 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
498 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
499 | a8083063 | Iustin Pop |
|
500 | a8083063 | Iustin Pop | Test list:
|
501 | a8083063 | Iustin Pop | - compares ganeti version
|
502 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
503 | a8083063 | Iustin Pop | - checks config file checksum
|
504 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
505 | a8083063 | Iustin Pop |
|
506 | a8083063 | Iustin Pop | Args:
|
507 | a8083063 | Iustin Pop | node: name of the node to check
|
508 | a8083063 | Iustin Pop | file_list: required list of files
|
509 | a8083063 | Iustin Pop | local_cksum: dictionary of local files and their checksums
|
510 | 098c0958 | Michael Hanselmann |
|
511 | a8083063 | Iustin Pop | """
|
512 | a8083063 | Iustin Pop | # compares ganeti version
|
513 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
514 | a8083063 | Iustin Pop | if not remote_version: |
515 | c840ae6f | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
516 | a8083063 | Iustin Pop | return True |
517 | a8083063 | Iustin Pop | |
518 | a8083063 | Iustin Pop | if local_version != remote_version:
|
519 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
520 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
521 | a8083063 | Iustin Pop | return True |
522 | a8083063 | Iustin Pop | |
523 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
524 | a8083063 | Iustin Pop | |
525 | a8083063 | Iustin Pop | bad = False
|
526 | a8083063 | Iustin Pop | if not vglist: |
527 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
528 | a8083063 | Iustin Pop | (node,)) |
529 | a8083063 | Iustin Pop | bad = True
|
530 | a8083063 | Iustin Pop | else:
|
531 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist, self.cfg.GetVGName(),
|
532 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
533 | a8083063 | Iustin Pop | if vgstatus:
|
534 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
535 | a8083063 | Iustin Pop | bad = True
|
536 | a8083063 | Iustin Pop | |
537 | a8083063 | Iustin Pop | # checks config file checksum
|
538 | a8083063 | Iustin Pop | # checks ssh to any
|
539 | a8083063 | Iustin Pop | |
540 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
541 | a8083063 | Iustin Pop | bad = True
|
542 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
543 | a8083063 | Iustin Pop | else:
|
544 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
545 | a8083063 | Iustin Pop | for file_name in file_list: |
546 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
547 | a8083063 | Iustin Pop | bad = True
|
548 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
549 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
550 | a8083063 | Iustin Pop | bad = True
|
551 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
552 | a8083063 | Iustin Pop | |
553 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
554 | a8083063 | Iustin Pop | bad = True
|
555 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node ssh connectivity data")
|
556 | a8083063 | Iustin Pop | else:
|
557 | a8083063 | Iustin Pop | if node_result['nodelist']: |
558 | a8083063 | Iustin Pop | bad = True
|
559 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
560 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: ssh communication with node '%s': %s" %
|
561 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
562 | 9d4bfc96 | Iustin Pop | if 'node-net-test' not in node_result: |
563 | 9d4bfc96 | Iustin Pop | bad = True
|
564 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node tcp connectivity data")
|
565 | 9d4bfc96 | Iustin Pop | else:
|
566 | 9d4bfc96 | Iustin Pop | if node_result['node-net-test']: |
567 | 9d4bfc96 | Iustin Pop | bad = True
|
568 | 9d4bfc96 | Iustin Pop | nlist = utils.NiceSort(node_result['node-net-test'].keys())
|
569 | 9d4bfc96 | Iustin Pop | for node in nlist: |
570 | 9d4bfc96 | Iustin Pop | feedback_fn(" - ERROR: tcp communication with node '%s': %s" %
|
571 | 9d4bfc96 | Iustin Pop | (node, node_result['node-net-test'][node]))
|
572 | 9d4bfc96 | Iustin Pop | |
573 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
574 | a8083063 | Iustin Pop | if hyp_result is not None: |
575 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: hypervisor verify failure: '%s'" % hyp_result)
|
576 | a8083063 | Iustin Pop | return bad
|
577 | a8083063 | Iustin Pop | |
578 | c5705f58 | Guido Trotter | def _VerifyInstance(self, instance, instanceconfig, node_vol_is, |
579 | c5705f58 | Guido Trotter | node_instance, feedback_fn): |
580 | a8083063 | Iustin Pop | """Verify an instance.
|
581 | a8083063 | Iustin Pop |
|
582 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
583 | a8083063 | Iustin Pop | available on the instance's node.
|
584 | a8083063 | Iustin Pop |
|
585 | a8083063 | Iustin Pop | """
|
586 | a8083063 | Iustin Pop | bad = False
|
587 | a8083063 | Iustin Pop | |
588 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
589 | a8083063 | Iustin Pop | |
590 | a8083063 | Iustin Pop | node_vol_should = {} |
591 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
592 | a8083063 | Iustin Pop | |
593 | a8083063 | Iustin Pop | for node in node_vol_should: |
594 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
595 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
596 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
597 | a8083063 | Iustin Pop | (volume, node)) |
598 | a8083063 | Iustin Pop | bad = True
|
599 | a8083063 | Iustin Pop | |
600 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
601 | a872dae6 | Guido Trotter | if (node_current not in node_instance or |
602 | a872dae6 | Guido Trotter | not instance in node_instance[node_current]): |
603 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
604 | a8083063 | Iustin Pop | (instance, node_current)) |
605 | a8083063 | Iustin Pop | bad = True
|
606 | a8083063 | Iustin Pop | |
607 | a8083063 | Iustin Pop | for node in node_instance: |
608 | a8083063 | Iustin Pop | if (not node == node_current): |
609 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
610 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
611 | a8083063 | Iustin Pop | (instance, node)) |
612 | a8083063 | Iustin Pop | bad = True
|
613 | a8083063 | Iustin Pop | |
614 | 6a438c98 | Michael Hanselmann | return bad
|
615 | a8083063 | Iustin Pop | |
616 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
617 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
618 | a8083063 | Iustin Pop |
|
619 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
620 | a8083063 | Iustin Pop | reported as unknown.
|
621 | a8083063 | Iustin Pop |
|
622 | a8083063 | Iustin Pop | """
|
623 | a8083063 | Iustin Pop | bad = False
|
624 | a8083063 | Iustin Pop | |
625 | a8083063 | Iustin Pop | for node in node_vol_is: |
626 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
627 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
628 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
629 | a8083063 | Iustin Pop | (volume, node)) |
630 | a8083063 | Iustin Pop | bad = True
|
631 | a8083063 | Iustin Pop | return bad
|
632 | a8083063 | Iustin Pop | |
633 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
634 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
635 | a8083063 | Iustin Pop |
|
636 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
637 | a8083063 | Iustin Pop |
|
638 | a8083063 | Iustin Pop | """
|
639 | a8083063 | Iustin Pop | bad = False
|
640 | a8083063 | Iustin Pop | for node in node_instance: |
641 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
642 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
643 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
644 | a8083063 | Iustin Pop | (runninginstance, node)) |
645 | a8083063 | Iustin Pop | bad = True
|
646 | a8083063 | Iustin Pop | return bad
|
647 | a8083063 | Iustin Pop | |
648 | 2b3b6ddd | Guido Trotter | def _VerifyNPlusOneMemory(self, node_info, instance_cfg, feedback_fn): |
649 | 2b3b6ddd | Guido Trotter | """Verify N+1 Memory Resilience.
|
650 | 2b3b6ddd | Guido Trotter |
|
651 | 2b3b6ddd | Guido Trotter | Check that if one single node dies we can still start all the instances it
|
652 | 2b3b6ddd | Guido Trotter | was primary for.
|
653 | 2b3b6ddd | Guido Trotter |
|
654 | 2b3b6ddd | Guido Trotter | """
|
655 | 2b3b6ddd | Guido Trotter | bad = False
|
656 | 2b3b6ddd | Guido Trotter | |
657 | 2b3b6ddd | Guido Trotter | for node, nodeinfo in node_info.iteritems(): |
658 | 2b3b6ddd | Guido Trotter | # This code checks that every node which is now listed as secondary has
|
659 | 2b3b6ddd | Guido Trotter | # enough memory to host all instances it is supposed to should a single
|
660 | 2b3b6ddd | Guido Trotter | # other node in the cluster fail.
|
661 | 2b3b6ddd | Guido Trotter | # FIXME: not ready for failover to an arbitrary node
|
662 | 2b3b6ddd | Guido Trotter | # FIXME: does not support file-backed instances
|
663 | 2b3b6ddd | Guido Trotter | # WARNING: we currently take into account down instances as well as up
|
664 | 2b3b6ddd | Guido Trotter | # ones, considering that even if they're down someone might want to start
|
665 | 2b3b6ddd | Guido Trotter | # them even in the event of a node failure.
|
666 | 2b3b6ddd | Guido Trotter | for prinode, instances in nodeinfo['sinst-by-pnode'].iteritems(): |
667 | 2b3b6ddd | Guido Trotter | needed_mem = 0
|
668 | 2b3b6ddd | Guido Trotter | for instance in instances: |
669 | 2b3b6ddd | Guido Trotter | needed_mem += instance_cfg[instance].memory |
670 | 2b3b6ddd | Guido Trotter | if nodeinfo['mfree'] < needed_mem: |
671 | 2b3b6ddd | Guido Trotter | feedback_fn(" - ERROR: not enough memory on node %s to accomodate"
|
672 | 2b3b6ddd | Guido Trotter | " failovers should node %s fail" % (node, prinode))
|
673 | 2b3b6ddd | Guido Trotter | bad = True
|
674 | 2b3b6ddd | Guido Trotter | return bad
|
675 | 2b3b6ddd | Guido Trotter | |
676 | a8083063 | Iustin Pop | def CheckPrereq(self): |
677 | a8083063 | Iustin Pop | """Check prerequisites.
|
678 | a8083063 | Iustin Pop |
|
679 | e54c4c5e | Guido Trotter | Transform the list of checks we're going to skip into a set and check that
|
680 | e54c4c5e | Guido Trotter | all its members are valid.
|
681 | a8083063 | Iustin Pop |
|
682 | a8083063 | Iustin Pop | """
|
683 | e54c4c5e | Guido Trotter | self.skip_set = frozenset(self.op.skip_checks) |
684 | e54c4c5e | Guido Trotter | if not constants.VERIFY_OPTIONAL_CHECKS.issuperset(self.skip_set): |
685 | e54c4c5e | Guido Trotter | raise errors.OpPrereqError("Invalid checks to be skipped specified") |
686 | a8083063 | Iustin Pop | |
687 | d8fff41c | Guido Trotter | def BuildHooksEnv(self): |
688 | d8fff41c | Guido Trotter | """Build hooks env.
|
689 | d8fff41c | Guido Trotter |
|
690 | d8fff41c | Guido Trotter | Cluster-Verify hooks just rone in the post phase and their failure makes
|
691 | d8fff41c | Guido Trotter | the output be logged in the verify output and the verification to fail.
|
692 | d8fff41c | Guido Trotter |
|
693 | d8fff41c | Guido Trotter | """
|
694 | d8fff41c | Guido Trotter | all_nodes = self.cfg.GetNodeList()
|
695 | d8fff41c | Guido Trotter | # TODO: populate the environment with useful information for verify hooks
|
696 | d8fff41c | Guido Trotter | env = {} |
697 | d8fff41c | Guido Trotter | return env, [], all_nodes
|
698 | d8fff41c | Guido Trotter | |
699 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
700 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
701 | a8083063 | Iustin Pop |
|
702 | a8083063 | Iustin Pop | """
|
703 | a8083063 | Iustin Pop | bad = False
|
704 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
705 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
706 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
707 | a8083063 | Iustin Pop | |
708 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
709 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
710 | 9d4bfc96 | Iustin Pop | nodeinfo = [self.cfg.GetNodeInfo(nname) for nname in nodelist] |
711 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
712 | 93e4c50b | Guido Trotter | i_non_redundant = [] # Non redundant instances
|
713 | a8083063 | Iustin Pop | node_volume = {} |
714 | a8083063 | Iustin Pop | node_instance = {} |
715 | 9c9c7d30 | Guido Trotter | node_info = {} |
716 | 26b6af5e | Guido Trotter | instance_cfg = {} |
717 | a8083063 | Iustin Pop | |
718 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
719 | a8083063 | Iustin Pop | # do local checksums
|
720 | cb91d46e | Iustin Pop | file_names = list(self.sstore.GetFileList()) |
721 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
722 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
723 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
724 | a8083063 | Iustin Pop | |
725 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
726 | a8083063 | Iustin Pop | all_volumeinfo = rpc.call_volume_list(nodelist, vg_name) |
727 | a8083063 | Iustin Pop | all_instanceinfo = rpc.call_instance_list(nodelist) |
728 | a8083063 | Iustin Pop | all_vglist = rpc.call_vg_list(nodelist) |
729 | a8083063 | Iustin Pop | node_verify_param = { |
730 | a8083063 | Iustin Pop | 'filelist': file_names,
|
731 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
732 | a8083063 | Iustin Pop | 'hypervisor': None, |
733 | 9d4bfc96 | Iustin Pop | 'node-net-test': [(node.name, node.primary_ip, node.secondary_ip)
|
734 | 9d4bfc96 | Iustin Pop | for node in nodeinfo] |
735 | a8083063 | Iustin Pop | } |
736 | a8083063 | Iustin Pop | all_nvinfo = rpc.call_node_verify(nodelist, node_verify_param) |
737 | a8083063 | Iustin Pop | all_rversion = rpc.call_version(nodelist) |
738 | 9c9c7d30 | Guido Trotter | all_ninfo = rpc.call_node_info(nodelist, self.cfg.GetVGName())
|
739 | a8083063 | Iustin Pop | |
740 | a8083063 | Iustin Pop | for node in nodelist: |
741 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
742 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
743 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
744 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
745 | a8083063 | Iustin Pop | bad = bad or result
|
746 | a8083063 | Iustin Pop | |
747 | a8083063 | Iustin Pop | # node_volume
|
748 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
749 | a8083063 | Iustin Pop | |
750 | b63ed789 | Iustin Pop | if isinstance(volumeinfo, basestring): |
751 | b63ed789 | Iustin Pop | feedback_fn(" - ERROR: LVM problem on node %s: %s" %
|
752 | b63ed789 | Iustin Pop | (node, volumeinfo[-400:].encode('string_escape'))) |
753 | b63ed789 | Iustin Pop | bad = True
|
754 | b63ed789 | Iustin Pop | node_volume[node] = {} |
755 | b63ed789 | Iustin Pop | elif not isinstance(volumeinfo, dict): |
756 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
757 | a8083063 | Iustin Pop | bad = True
|
758 | a8083063 | Iustin Pop | continue
|
759 | b63ed789 | Iustin Pop | else:
|
760 | b63ed789 | Iustin Pop | node_volume[node] = volumeinfo |
761 | a8083063 | Iustin Pop | |
762 | a8083063 | Iustin Pop | # node_instance
|
763 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
764 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
765 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
766 | a8083063 | Iustin Pop | bad = True
|
767 | a8083063 | Iustin Pop | continue
|
768 | a8083063 | Iustin Pop | |
769 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
770 | a8083063 | Iustin Pop | |
771 | 9c9c7d30 | Guido Trotter | # node_info
|
772 | 9c9c7d30 | Guido Trotter | nodeinfo = all_ninfo[node] |
773 | 9c9c7d30 | Guido Trotter | if not isinstance(nodeinfo, dict): |
774 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
775 | 9c9c7d30 | Guido Trotter | bad = True
|
776 | 9c9c7d30 | Guido Trotter | continue
|
777 | 9c9c7d30 | Guido Trotter | |
778 | 9c9c7d30 | Guido Trotter | try:
|
779 | 9c9c7d30 | Guido Trotter | node_info[node] = { |
780 | 9c9c7d30 | Guido Trotter | "mfree": int(nodeinfo['memory_free']), |
781 | 9c9c7d30 | Guido Trotter | "dfree": int(nodeinfo['vg_free']), |
782 | 93e4c50b | Guido Trotter | "pinst": [],
|
783 | 93e4c50b | Guido Trotter | "sinst": [],
|
784 | 36e7da50 | Guido Trotter | # dictionary holding all instances this node is secondary for,
|
785 | 36e7da50 | Guido Trotter | # grouped by their primary node. Each key is a cluster node, and each
|
786 | 36e7da50 | Guido Trotter | # value is a list of instances which have the key as primary and the
|
787 | 36e7da50 | Guido Trotter | # current node as secondary. this is handy to calculate N+1 memory
|
788 | 36e7da50 | Guido Trotter | # availability if you can only failover from a primary to its
|
789 | 36e7da50 | Guido Trotter | # secondary.
|
790 | 36e7da50 | Guido Trotter | "sinst-by-pnode": {},
|
791 | 9c9c7d30 | Guido Trotter | } |
792 | 9c9c7d30 | Guido Trotter | except ValueError: |
793 | 9c9c7d30 | Guido Trotter | feedback_fn(" - ERROR: invalid value returned from node %s" % (node,))
|
794 | 9c9c7d30 | Guido Trotter | bad = True
|
795 | 9c9c7d30 | Guido Trotter | continue
|
796 | 9c9c7d30 | Guido Trotter | |
797 | a8083063 | Iustin Pop | node_vol_should = {} |
798 | a8083063 | Iustin Pop | |
799 | a8083063 | Iustin Pop | for instance in instancelist: |
800 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
801 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
802 | c5705f58 | Guido Trotter | result = self._VerifyInstance(instance, inst_config, node_volume,
|
803 | c5705f58 | Guido Trotter | node_instance, feedback_fn) |
804 | c5705f58 | Guido Trotter | bad = bad or result
|
805 | a8083063 | Iustin Pop | |
806 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
807 | a8083063 | Iustin Pop | |
808 | 26b6af5e | Guido Trotter | instance_cfg[instance] = inst_config |
809 | 26b6af5e | Guido Trotter | |
810 | 93e4c50b | Guido Trotter | pnode = inst_config.primary_node |
811 | 93e4c50b | Guido Trotter | if pnode in node_info: |
812 | 93e4c50b | Guido Trotter | node_info[pnode]['pinst'].append(instance)
|
813 | 93e4c50b | Guido Trotter | else:
|
814 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to primary node"
|
815 | 93e4c50b | Guido Trotter | " %s failed" % (instance, pnode))
|
816 | 93e4c50b | Guido Trotter | bad = True
|
817 | 93e4c50b | Guido Trotter | |
818 | 93e4c50b | Guido Trotter | # If the instance is non-redundant we cannot survive losing its primary
|
819 | 93e4c50b | Guido Trotter | # node, so we are not N+1 compliant. On the other hand we have no disk
|
820 | 93e4c50b | Guido Trotter | # templates with more than one secondary so that situation is not well
|
821 | 93e4c50b | Guido Trotter | # supported either.
|
822 | 93e4c50b | Guido Trotter | # FIXME: does not support file-backed instances
|
823 | 93e4c50b | Guido Trotter | if len(inst_config.secondary_nodes) == 0: |
824 | 93e4c50b | Guido Trotter | i_non_redundant.append(instance) |
825 | 93e4c50b | Guido Trotter | elif len(inst_config.secondary_nodes) > 1: |
826 | 93e4c50b | Guido Trotter | feedback_fn(" - WARNING: multiple secondaries for instance %s"
|
827 | 93e4c50b | Guido Trotter | % instance) |
828 | 93e4c50b | Guido Trotter | |
829 | 93e4c50b | Guido Trotter | for snode in inst_config.secondary_nodes: |
830 | 93e4c50b | Guido Trotter | if snode in node_info: |
831 | 93e4c50b | Guido Trotter | node_info[snode]['sinst'].append(instance)
|
832 | 36e7da50 | Guido Trotter | if pnode not in node_info[snode]['sinst-by-pnode']: |
833 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode] = []
|
834 | 36e7da50 | Guido Trotter | node_info[snode]['sinst-by-pnode'][pnode].append(instance)
|
835 | 93e4c50b | Guido Trotter | else:
|
836 | 93e4c50b | Guido Trotter | feedback_fn(" - ERROR: instance %s, connection to secondary node"
|
837 | 93e4c50b | Guido Trotter | " %s failed" % (instance, snode))
|
838 | 93e4c50b | Guido Trotter | |
839 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
840 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
841 | a8083063 | Iustin Pop | feedback_fn) |
842 | a8083063 | Iustin Pop | bad = bad or result
|
843 | a8083063 | Iustin Pop | |
844 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
845 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
846 | a8083063 | Iustin Pop | feedback_fn) |
847 | a8083063 | Iustin Pop | bad = bad or result
|
848 | a8083063 | Iustin Pop | |
849 | e54c4c5e | Guido Trotter | if constants.VERIFY_NPLUSONE_MEM not in self.skip_set: |
850 | e54c4c5e | Guido Trotter | feedback_fn("* Verifying N+1 Memory redundancy")
|
851 | e54c4c5e | Guido Trotter | result = self._VerifyNPlusOneMemory(node_info, instance_cfg, feedback_fn)
|
852 | e54c4c5e | Guido Trotter | bad = bad or result
|
853 | 2b3b6ddd | Guido Trotter | |
854 | 2b3b6ddd | Guido Trotter | feedback_fn("* Other Notes")
|
855 | 2b3b6ddd | Guido Trotter | if i_non_redundant:
|
856 | 2b3b6ddd | Guido Trotter | feedback_fn(" - NOTICE: %d non-redundant instance(s) found."
|
857 | 2b3b6ddd | Guido Trotter | % len(i_non_redundant))
|
858 | 2b3b6ddd | Guido Trotter | |
859 | 34290825 | Michael Hanselmann | return not bad |
860 | a8083063 | Iustin Pop | |
861 | d8fff41c | Guido Trotter | def HooksCallBack(self, phase, hooks_results, feedback_fn, lu_result): |
862 | d8fff41c | Guido Trotter | """Analize the post-hooks' result, handle it, and send some
|
863 | d8fff41c | Guido Trotter | nicely-formatted feedback back to the user.
|
864 | d8fff41c | Guido Trotter |
|
865 | d8fff41c | Guido Trotter | Args:
|
866 | d8fff41c | Guido Trotter | phase: the hooks phase that has just been run
|
867 | d8fff41c | Guido Trotter | hooks_results: the results of the multi-node hooks rpc call
|
868 | d8fff41c | Guido Trotter | feedback_fn: function to send feedback back to the caller
|
869 | d8fff41c | Guido Trotter | lu_result: previous Exec result
|
870 | d8fff41c | Guido Trotter |
|
871 | d8fff41c | Guido Trotter | """
|
872 | 38206f3c | Iustin Pop | # We only really run POST phase hooks, and are only interested in
|
873 | 38206f3c | Iustin Pop | # their results
|
874 | d8fff41c | Guido Trotter | if phase == constants.HOOKS_PHASE_POST:
|
875 | d8fff41c | Guido Trotter | # Used to change hooks' output to proper indentation
|
876 | d8fff41c | Guido Trotter | indent_re = re.compile('^', re.M)
|
877 | d8fff41c | Guido Trotter | feedback_fn("* Hooks Results")
|
878 | d8fff41c | Guido Trotter | if not hooks_results: |
879 | d8fff41c | Guido Trotter | feedback_fn(" - ERROR: general communication failure")
|
880 | d8fff41c | Guido Trotter | lu_result = 1
|
881 | d8fff41c | Guido Trotter | else:
|
882 | d8fff41c | Guido Trotter | for node_name in hooks_results: |
883 | d8fff41c | Guido Trotter | show_node_header = True
|
884 | d8fff41c | Guido Trotter | res = hooks_results[node_name] |
885 | d8fff41c | Guido Trotter | if res is False or not isinstance(res, list): |
886 | d8fff41c | Guido Trotter | feedback_fn(" Communication failure")
|
887 | d8fff41c | Guido Trotter | lu_result = 1
|
888 | d8fff41c | Guido Trotter | continue
|
889 | d8fff41c | Guido Trotter | for script, hkr, output in res: |
890 | d8fff41c | Guido Trotter | if hkr == constants.HKR_FAIL:
|
891 | d8fff41c | Guido Trotter | # The node header is only shown once, if there are
|
892 | d8fff41c | Guido Trotter | # failing hooks on that node
|
893 | d8fff41c | Guido Trotter | if show_node_header:
|
894 | d8fff41c | Guido Trotter | feedback_fn(" Node %s:" % node_name)
|
895 | d8fff41c | Guido Trotter | show_node_header = False
|
896 | d8fff41c | Guido Trotter | feedback_fn(" ERROR: Script %s failed, output:" % script)
|
897 | d8fff41c | Guido Trotter | output = indent_re.sub(' ', output)
|
898 | d8fff41c | Guido Trotter | feedback_fn("%s" % output)
|
899 | d8fff41c | Guido Trotter | lu_result = 1
|
900 | d8fff41c | Guido Trotter | |
901 | d8fff41c | Guido Trotter | return lu_result
|
902 | d8fff41c | Guido Trotter | |
903 | a8083063 | Iustin Pop | |
904 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
905 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
906 | 2c95a8d4 | Iustin Pop |
|
907 | 2c95a8d4 | Iustin Pop | """
|
908 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
909 | 2c95a8d4 | Iustin Pop | |
910 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
911 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
912 | 2c95a8d4 | Iustin Pop |
|
913 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
914 | 2c95a8d4 | Iustin Pop |
|
915 | 2c95a8d4 | Iustin Pop | """
|
916 | 2c95a8d4 | Iustin Pop | pass
|
917 | 2c95a8d4 | Iustin Pop | |
918 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
919 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
920 | 2c95a8d4 | Iustin Pop |
|
921 | 2c95a8d4 | Iustin Pop | """
|
922 | b63ed789 | Iustin Pop | result = res_nodes, res_nlvm, res_instances, res_missing = [], {}, [], {} |
923 | 2c95a8d4 | Iustin Pop | |
924 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
925 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
926 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
927 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
928 | 2c95a8d4 | Iustin Pop | |
929 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
930 | 2c95a8d4 | Iustin Pop | for inst in instances: |
931 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
932 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
933 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
934 | 2c95a8d4 | Iustin Pop | continue
|
935 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
936 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
937 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
938 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
939 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
940 | 2c95a8d4 | Iustin Pop | |
941 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
942 | 2c95a8d4 | Iustin Pop | return result
|
943 | 2c95a8d4 | Iustin Pop | |
944 | 2c95a8d4 | Iustin Pop | node_lvs = rpc.call_volume_list(nodes, vg_name) |
945 | 2c95a8d4 | Iustin Pop | |
946 | 2c95a8d4 | Iustin Pop | to_act = set()
|
947 | 2c95a8d4 | Iustin Pop | for node in nodes: |
948 | 2c95a8d4 | Iustin Pop | # node_volume
|
949 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
950 | 2c95a8d4 | Iustin Pop | |
951 | b63ed789 | Iustin Pop | if isinstance(lvs, basestring): |
952 | b63ed789 | Iustin Pop | logger.Info("error enumerating LVs on node %s: %s" % (node, lvs))
|
953 | b63ed789 | Iustin Pop | res_nlvm[node] = lvs |
954 | b63ed789 | Iustin Pop | elif not isinstance(lvs, dict): |
955 | 2c95a8d4 | Iustin Pop | logger.Info("connection to node %s failed or invalid data returned" %
|
956 | 2c95a8d4 | Iustin Pop | (node,)) |
957 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
958 | 2c95a8d4 | Iustin Pop | continue
|
959 | 2c95a8d4 | Iustin Pop | |
960 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
961 | b63ed789 | Iustin Pop | inst = nv_dict.pop((node, lv_name), None)
|
962 | b63ed789 | Iustin Pop | if (not lv_online and inst is not None |
963 | b63ed789 | Iustin Pop | and inst.name not in res_instances): |
964 | b08d5a87 | Iustin Pop | res_instances.append(inst.name) |
965 | 2c95a8d4 | Iustin Pop | |
966 | b63ed789 | Iustin Pop | # any leftover items in nv_dict are missing LVs, let's arrange the
|
967 | b63ed789 | Iustin Pop | # data better
|
968 | b63ed789 | Iustin Pop | for key, inst in nv_dict.iteritems(): |
969 | b63ed789 | Iustin Pop | if inst.name not in res_missing: |
970 | b63ed789 | Iustin Pop | res_missing[inst.name] = [] |
971 | b63ed789 | Iustin Pop | res_missing[inst.name].append(key) |
972 | b63ed789 | Iustin Pop | |
973 | 2c95a8d4 | Iustin Pop | return result
|
974 | 2c95a8d4 | Iustin Pop | |
975 | 2c95a8d4 | Iustin Pop | |
976 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
977 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
978 | 07bd8a51 | Iustin Pop |
|
979 | 07bd8a51 | Iustin Pop | """
|
980 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
981 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
982 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
983 | 05f86716 | Guido Trotter | REQ_WSSTORE = True
|
984 | 07bd8a51 | Iustin Pop | |
985 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
986 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
987 | 07bd8a51 | Iustin Pop |
|
988 | 07bd8a51 | Iustin Pop | """
|
989 | 07bd8a51 | Iustin Pop | env = { |
990 | 488b540d | Iustin Pop | "OP_TARGET": self.sstore.GetClusterName(), |
991 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
992 | 07bd8a51 | Iustin Pop | } |
993 | 07bd8a51 | Iustin Pop | mn = self.sstore.GetMasterNode()
|
994 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
995 | 07bd8a51 | Iustin Pop | |
996 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
997 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
998 | 07bd8a51 | Iustin Pop |
|
999 | 07bd8a51 | Iustin Pop | """
|
1000 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
1001 | 07bd8a51 | Iustin Pop | |
1002 | bcf043c9 | Iustin Pop | new_name = hostname.name |
1003 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
1004 | 07bd8a51 | Iustin Pop | old_name = self.sstore.GetClusterName()
|
1005 | 07bd8a51 | Iustin Pop | old_ip = self.sstore.GetMasterIP()
|
1006 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
1007 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
1008 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
1009 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
1010 | 937f983d | Guido Trotter | if utils.TcpPing(new_ip, constants.DEFAULT_NODED_PORT):
|
1011 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
1012 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
1013 | 07bd8a51 | Iustin Pop | new_ip) |
1014 | 07bd8a51 | Iustin Pop | |
1015 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
1016 | 07bd8a51 | Iustin Pop | |
1017 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
1018 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
1019 | 07bd8a51 | Iustin Pop |
|
1020 | 07bd8a51 | Iustin Pop | """
|
1021 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
1022 | 07bd8a51 | Iustin Pop | ip = self.ip
|
1023 | 07bd8a51 | Iustin Pop | ss = self.sstore
|
1024 | 07bd8a51 | Iustin Pop | |
1025 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
1026 | 07bd8a51 | Iustin Pop | master = ss.GetMasterNode() |
1027 | 1c65840b | Iustin Pop | if not rpc.call_node_stop_master(master, False): |
1028 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
1029 | 07bd8a51 | Iustin Pop | |
1030 | 07bd8a51 | Iustin Pop | try:
|
1031 | 07bd8a51 | Iustin Pop | # modify the sstore
|
1032 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
1033 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
1034 | 07bd8a51 | Iustin Pop | |
1035 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
1036 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
1037 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
1038 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
1039 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
1040 | 07bd8a51 | Iustin Pop | |
1041 | 07bd8a51 | Iustin Pop | logger.Debug("Copying updated ssconf data to all nodes")
|
1042 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
1043 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
1044 | 07bd8a51 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1045 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
1046 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
1047 | 07bd8a51 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1048 | 07bd8a51 | Iustin Pop | (fname, to_node)) |
1049 | 07bd8a51 | Iustin Pop | finally:
|
1050 | 1c65840b | Iustin Pop | if not rpc.call_node_start_master(master, False): |
1051 | f4bc1f2c | Michael Hanselmann | logger.Error("Could not re-enable the master role on the master,"
|
1052 | f4bc1f2c | Michael Hanselmann | " please restart manually.")
|
1053 | 07bd8a51 | Iustin Pop | |
1054 | 07bd8a51 | Iustin Pop | |
1055 | 8084f9f6 | Manuel Franceschini | def _RecursiveCheckIfLVMBased(disk): |
1056 | 8084f9f6 | Manuel Franceschini | """Check if the given disk or its children are lvm-based.
|
1057 | 8084f9f6 | Manuel Franceschini |
|
1058 | 8084f9f6 | Manuel Franceschini | Args:
|
1059 | 8084f9f6 | Manuel Franceschini | disk: ganeti.objects.Disk object
|
1060 | 8084f9f6 | Manuel Franceschini |
|
1061 | 8084f9f6 | Manuel Franceschini | Returns:
|
1062 | 8084f9f6 | Manuel Franceschini | boolean indicating whether a LD_LV dev_type was found or not
|
1063 | 8084f9f6 | Manuel Franceschini |
|
1064 | 8084f9f6 | Manuel Franceschini | """
|
1065 | 8084f9f6 | Manuel Franceschini | if disk.children:
|
1066 | 8084f9f6 | Manuel Franceschini | for chdisk in disk.children: |
1067 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(chdisk):
|
1068 | 8084f9f6 | Manuel Franceschini | return True |
1069 | 8084f9f6 | Manuel Franceschini | return disk.dev_type == constants.LD_LV
|
1070 | 8084f9f6 | Manuel Franceschini | |
1071 | 8084f9f6 | Manuel Franceschini | |
1072 | 8084f9f6 | Manuel Franceschini | class LUSetClusterParams(LogicalUnit): |
1073 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1074 | 8084f9f6 | Manuel Franceschini |
|
1075 | 8084f9f6 | Manuel Franceschini | """
|
1076 | 8084f9f6 | Manuel Franceschini | HPATH = "cluster-modify"
|
1077 | 8084f9f6 | Manuel Franceschini | HTYPE = constants.HTYPE_CLUSTER |
1078 | 8084f9f6 | Manuel Franceschini | _OP_REQP = [] |
1079 | 8084f9f6 | Manuel Franceschini | |
1080 | 8084f9f6 | Manuel Franceschini | def BuildHooksEnv(self): |
1081 | 8084f9f6 | Manuel Franceschini | """Build hooks env.
|
1082 | 8084f9f6 | Manuel Franceschini |
|
1083 | 8084f9f6 | Manuel Franceschini | """
|
1084 | 8084f9f6 | Manuel Franceschini | env = { |
1085 | 8084f9f6 | Manuel Franceschini | "OP_TARGET": self.sstore.GetClusterName(), |
1086 | 8084f9f6 | Manuel Franceschini | "NEW_VG_NAME": self.op.vg_name, |
1087 | 8084f9f6 | Manuel Franceschini | } |
1088 | 8084f9f6 | Manuel Franceschini | mn = self.sstore.GetMasterNode()
|
1089 | 8084f9f6 | Manuel Franceschini | return env, [mn], [mn]
|
1090 | 8084f9f6 | Manuel Franceschini | |
1091 | 8084f9f6 | Manuel Franceschini | def CheckPrereq(self): |
1092 | 8084f9f6 | Manuel Franceschini | """Check prerequisites.
|
1093 | 8084f9f6 | Manuel Franceschini |
|
1094 | 8084f9f6 | Manuel Franceschini | This checks whether the given params don't conflict and
|
1095 | 5f83e263 | Iustin Pop | if the given volume group is valid.
|
1096 | 8084f9f6 | Manuel Franceschini |
|
1097 | 8084f9f6 | Manuel Franceschini | """
|
1098 | 8084f9f6 | Manuel Franceschini | if not self.op.vg_name: |
1099 | 8084f9f6 | Manuel Franceschini | instances = [self.cfg.GetInstanceInfo(name)
|
1100 | 8084f9f6 | Manuel Franceschini | for name in self.cfg.GetInstanceList()] |
1101 | 8084f9f6 | Manuel Franceschini | for inst in instances: |
1102 | 8084f9f6 | Manuel Franceschini | for disk in inst.disks: |
1103 | 8084f9f6 | Manuel Franceschini | if _RecursiveCheckIfLVMBased(disk):
|
1104 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Cannot disable lvm storage while" |
1105 | 8084f9f6 | Manuel Franceschini | " lvm-based instances exist")
|
1106 | 8084f9f6 | Manuel Franceschini | |
1107 | 8084f9f6 | Manuel Franceschini | # if vg_name not None, checks given volume group on all nodes
|
1108 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name: |
1109 | 8084f9f6 | Manuel Franceschini | node_list = self.cfg.GetNodeList()
|
1110 | 8084f9f6 | Manuel Franceschini | vglist = rpc.call_vg_list(node_list) |
1111 | 8084f9f6 | Manuel Franceschini | for node in node_list: |
1112 | 8d1a2a64 | Michael Hanselmann | vgstatus = utils.CheckVolumeGroupSize(vglist[node], self.op.vg_name,
|
1113 | 8d1a2a64 | Michael Hanselmann | constants.MIN_VG_SIZE) |
1114 | 8084f9f6 | Manuel Franceschini | if vgstatus:
|
1115 | 8084f9f6 | Manuel Franceschini | raise errors.OpPrereqError("Error on node '%s': %s" % |
1116 | 8084f9f6 | Manuel Franceschini | (node, vgstatus)) |
1117 | 8084f9f6 | Manuel Franceschini | |
1118 | 8084f9f6 | Manuel Franceschini | def Exec(self, feedback_fn): |
1119 | 8084f9f6 | Manuel Franceschini | """Change the parameters of the cluster.
|
1120 | 8084f9f6 | Manuel Franceschini |
|
1121 | 8084f9f6 | Manuel Franceschini | """
|
1122 | 8084f9f6 | Manuel Franceschini | if self.op.vg_name != self.cfg.GetVGName(): |
1123 | 8084f9f6 | Manuel Franceschini | self.cfg.SetVGName(self.op.vg_name) |
1124 | 8084f9f6 | Manuel Franceschini | else:
|
1125 | 8084f9f6 | Manuel Franceschini | feedback_fn("Cluster LVM configuration already in desired"
|
1126 | 8084f9f6 | Manuel Franceschini | " state, not changing")
|
1127 | 8084f9f6 | Manuel Franceschini | |
1128 | 8084f9f6 | Manuel Franceschini | |
1129 | 5bfac263 | Iustin Pop | def _WaitForSync(cfgw, instance, proc, oneshot=False, unlock=False): |
1130 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1131 | a8083063 | Iustin Pop |
|
1132 | a8083063 | Iustin Pop | """
|
1133 | a8083063 | Iustin Pop | if not instance.disks: |
1134 | a8083063 | Iustin Pop | return True |
1135 | a8083063 | Iustin Pop | |
1136 | a8083063 | Iustin Pop | if not oneshot: |
1137 | 5bfac263 | Iustin Pop | proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1138 | a8083063 | Iustin Pop | |
1139 | a8083063 | Iustin Pop | node = instance.primary_node |
1140 | a8083063 | Iustin Pop | |
1141 | a8083063 | Iustin Pop | for dev in instance.disks: |
1142 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1143 | a8083063 | Iustin Pop | |
1144 | a8083063 | Iustin Pop | retries = 0
|
1145 | a8083063 | Iustin Pop | while True: |
1146 | a8083063 | Iustin Pop | max_time = 0
|
1147 | a8083063 | Iustin Pop | done = True
|
1148 | a8083063 | Iustin Pop | cumul_degraded = False
|
1149 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1150 | a8083063 | Iustin Pop | if not rstats: |
1151 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't get any data from node %s" % node)
|
1152 | a8083063 | Iustin Pop | retries += 1
|
1153 | a8083063 | Iustin Pop | if retries >= 10: |
1154 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1155 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1156 | a8083063 | Iustin Pop | time.sleep(6)
|
1157 | a8083063 | Iustin Pop | continue
|
1158 | a8083063 | Iustin Pop | retries = 0
|
1159 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1160 | a8083063 | Iustin Pop | mstat = rstats[i] |
1161 | a8083063 | Iustin Pop | if mstat is None: |
1162 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't compute data for node %s/%s" %
|
1163 | a8083063 | Iustin Pop | (node, instance.disks[i].iv_name)) |
1164 | a8083063 | Iustin Pop | continue
|
1165 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1166 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1167 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1168 | a8083063 | Iustin Pop | if perc_done is not None: |
1169 | a8083063 | Iustin Pop | done = False
|
1170 | a8083063 | Iustin Pop | if est_time is not None: |
1171 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1172 | a8083063 | Iustin Pop | max_time = est_time |
1173 | a8083063 | Iustin Pop | else:
|
1174 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1175 | 5bfac263 | Iustin Pop | proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1176 | 5bfac263 | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1177 | a8083063 | Iustin Pop | if done or oneshot: |
1178 | a8083063 | Iustin Pop | break
|
1179 | a8083063 | Iustin Pop | |
1180 | d4fa5c23 | Iustin Pop | time.sleep(min(60, max_time)) |
1181 | a8083063 | Iustin Pop | |
1182 | a8083063 | Iustin Pop | if done:
|
1183 | 5bfac263 | Iustin Pop | proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1184 | a8083063 | Iustin Pop | return not cumul_degraded |
1185 | a8083063 | Iustin Pop | |
1186 | a8083063 | Iustin Pop | |
1187 | 0834c866 | Iustin Pop | def _CheckDiskConsistency(cfgw, dev, node, on_primary, ldisk=False): |
1188 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1189 | a8083063 | Iustin Pop |
|
1190 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1191 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1192 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1193 | 0834c866 | Iustin Pop |
|
1194 | a8083063 | Iustin Pop | """
|
1195 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1196 | 0834c866 | Iustin Pop | if ldisk:
|
1197 | 0834c866 | Iustin Pop | idx = 6
|
1198 | 0834c866 | Iustin Pop | else:
|
1199 | 0834c866 | Iustin Pop | idx = 5
|
1200 | a8083063 | Iustin Pop | |
1201 | a8083063 | Iustin Pop | result = True
|
1202 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1203 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_find(node, dev) |
1204 | a8083063 | Iustin Pop | if not rstats: |
1205 | aa9d0c32 | Guido Trotter | logger.ToStderr("Node %s: Disk degraded, not found or node down" % node)
|
1206 | a8083063 | Iustin Pop | result = False
|
1207 | a8083063 | Iustin Pop | else:
|
1208 | 0834c866 | Iustin Pop | result = result and (not rstats[idx]) |
1209 | a8083063 | Iustin Pop | if dev.children:
|
1210 | a8083063 | Iustin Pop | for child in dev.children: |
1211 | a8083063 | Iustin Pop | result = result and _CheckDiskConsistency(cfgw, child, node, on_primary)
|
1212 | a8083063 | Iustin Pop | |
1213 | a8083063 | Iustin Pop | return result
|
1214 | a8083063 | Iustin Pop | |
1215 | a8083063 | Iustin Pop | |
1216 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1217 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1218 | a8083063 | Iustin Pop |
|
1219 | a8083063 | Iustin Pop | """
|
1220 | 1f9430d6 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1221 | 6bf01bbb | Guido Trotter | REQ_BGL = False
|
1222 | a8083063 | Iustin Pop | |
1223 | 6bf01bbb | Guido Trotter | def ExpandNames(self): |
1224 | 1f9430d6 | Iustin Pop | if self.op.names: |
1225 | 1f9430d6 | Iustin Pop | raise errors.OpPrereqError("Selective OS query not supported") |
1226 | 1f9430d6 | Iustin Pop | |
1227 | 1f9430d6 | Iustin Pop | self.dynamic_fields = frozenset(["name", "valid", "node_status"]) |
1228 | 1f9430d6 | Iustin Pop | _CheckOutputFields(static=[], |
1229 | 1f9430d6 | Iustin Pop | dynamic=self.dynamic_fields,
|
1230 | 1f9430d6 | Iustin Pop | selected=self.op.output_fields)
|
1231 | 1f9430d6 | Iustin Pop | |
1232 | 6bf01bbb | Guido Trotter | # Lock all nodes, in shared mode
|
1233 | 6bf01bbb | Guido Trotter | self.needed_locks = {}
|
1234 | 6bf01bbb | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1235 | 6bf01bbb | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = None |
1236 | 6bf01bbb | Guido Trotter | |
1237 | 6bf01bbb | Guido Trotter | def CheckPrereq(self): |
1238 | 6bf01bbb | Guido Trotter | """Check prerequisites.
|
1239 | 6bf01bbb | Guido Trotter |
|
1240 | 6bf01bbb | Guido Trotter | """
|
1241 | 6bf01bbb | Guido Trotter | |
1242 | 1f9430d6 | Iustin Pop | @staticmethod
|
1243 | 1f9430d6 | Iustin Pop | def _DiagnoseByOS(node_list, rlist): |
1244 | 1f9430d6 | Iustin Pop | """Remaps a per-node return list into an a per-os per-node dictionary
|
1245 | 1f9430d6 | Iustin Pop |
|
1246 | 1f9430d6 | Iustin Pop | Args:
|
1247 | 1f9430d6 | Iustin Pop | node_list: a list with the names of all nodes
|
1248 | 1f9430d6 | Iustin Pop | rlist: a map with node names as keys and OS objects as values
|
1249 | 1f9430d6 | Iustin Pop |
|
1250 | 1f9430d6 | Iustin Pop | Returns:
|
1251 | 1f9430d6 | Iustin Pop | map: a map with osnames as keys and as value another map, with
|
1252 | 1f9430d6 | Iustin Pop | nodes as
|
1253 | 1f9430d6 | Iustin Pop | keys and list of OS objects as values
|
1254 | 1f9430d6 | Iustin Pop | e.g. {"debian-etch": {"node1": [<object>,...],
|
1255 | 1f9430d6 | Iustin Pop | "node2": [<object>,]}
|
1256 | 1f9430d6 | Iustin Pop | }
|
1257 | 1f9430d6 | Iustin Pop |
|
1258 | 1f9430d6 | Iustin Pop | """
|
1259 | 1f9430d6 | Iustin Pop | all_os = {} |
1260 | 1f9430d6 | Iustin Pop | for node_name, nr in rlist.iteritems(): |
1261 | 1f9430d6 | Iustin Pop | if not nr: |
1262 | 1f9430d6 | Iustin Pop | continue
|
1263 | b4de68a9 | Iustin Pop | for os_obj in nr: |
1264 | b4de68a9 | Iustin Pop | if os_obj.name not in all_os: |
1265 | 1f9430d6 | Iustin Pop | # build a list of nodes for this os containing empty lists
|
1266 | 1f9430d6 | Iustin Pop | # for each node in node_list
|
1267 | b4de68a9 | Iustin Pop | all_os[os_obj.name] = {} |
1268 | 1f9430d6 | Iustin Pop | for nname in node_list: |
1269 | b4de68a9 | Iustin Pop | all_os[os_obj.name][nname] = [] |
1270 | b4de68a9 | Iustin Pop | all_os[os_obj.name][node_name].append(os_obj) |
1271 | 1f9430d6 | Iustin Pop | return all_os
|
1272 | a8083063 | Iustin Pop | |
1273 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1274 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1275 | a8083063 | Iustin Pop |
|
1276 | a8083063 | Iustin Pop | """
|
1277 | 6bf01bbb | Guido Trotter | node_list = self.acquired_locks[locking.LEVEL_NODE]
|
1278 | a8083063 | Iustin Pop | node_data = rpc.call_os_diagnose(node_list) |
1279 | a8083063 | Iustin Pop | if node_data == False: |
1280 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1281 | 1f9430d6 | Iustin Pop | pol = self._DiagnoseByOS(node_list, node_data)
|
1282 | 1f9430d6 | Iustin Pop | output = [] |
1283 | 1f9430d6 | Iustin Pop | for os_name, os_data in pol.iteritems(): |
1284 | 1f9430d6 | Iustin Pop | row = [] |
1285 | 1f9430d6 | Iustin Pop | for field in self.op.output_fields: |
1286 | 1f9430d6 | Iustin Pop | if field == "name": |
1287 | 1f9430d6 | Iustin Pop | val = os_name |
1288 | 1f9430d6 | Iustin Pop | elif field == "valid": |
1289 | 1f9430d6 | Iustin Pop | val = utils.all([osl and osl[0] for osl in os_data.values()]) |
1290 | 1f9430d6 | Iustin Pop | elif field == "node_status": |
1291 | 1f9430d6 | Iustin Pop | val = {} |
1292 | 1f9430d6 | Iustin Pop | for node_name, nos_list in os_data.iteritems(): |
1293 | 1f9430d6 | Iustin Pop | val[node_name] = [(v.status, v.path) for v in nos_list] |
1294 | 1f9430d6 | Iustin Pop | else:
|
1295 | 1f9430d6 | Iustin Pop | raise errors.ParameterError(field)
|
1296 | 1f9430d6 | Iustin Pop | row.append(val) |
1297 | 1f9430d6 | Iustin Pop | output.append(row) |
1298 | 1f9430d6 | Iustin Pop | |
1299 | 1f9430d6 | Iustin Pop | return output
|
1300 | a8083063 | Iustin Pop | |
1301 | a8083063 | Iustin Pop | |
1302 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1303 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1304 | a8083063 | Iustin Pop |
|
1305 | a8083063 | Iustin Pop | """
|
1306 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1307 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1308 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1309 | a8083063 | Iustin Pop | |
1310 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1311 | a8083063 | Iustin Pop | """Build hooks env.
|
1312 | a8083063 | Iustin Pop |
|
1313 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1314 | d08869ee | Guido Trotter | node would then be impossible to remove.
|
1315 | a8083063 | Iustin Pop |
|
1316 | a8083063 | Iustin Pop | """
|
1317 | 396e1b78 | Michael Hanselmann | env = { |
1318 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1319 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1320 | 396e1b78 | Michael Hanselmann | } |
1321 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1322 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1323 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1324 | a8083063 | Iustin Pop | |
1325 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1326 | a8083063 | Iustin Pop | """Check prerequisites.
|
1327 | a8083063 | Iustin Pop |
|
1328 | a8083063 | Iustin Pop | This checks:
|
1329 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1330 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1331 | a8083063 | Iustin Pop | - it's not the master
|
1332 | a8083063 | Iustin Pop |
|
1333 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1334 | a8083063 | Iustin Pop |
|
1335 | a8083063 | Iustin Pop | """
|
1336 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1337 | a8083063 | Iustin Pop | if node is None: |
1338 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1339 | a8083063 | Iustin Pop | |
1340 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1341 | a8083063 | Iustin Pop | |
1342 | 880478f8 | Iustin Pop | masternode = self.sstore.GetMasterNode()
|
1343 | a8083063 | Iustin Pop | if node.name == masternode:
|
1344 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1345 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1346 | a8083063 | Iustin Pop | |
1347 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1348 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1349 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1350 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1351 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1352 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1353 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1354 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1355 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1356 | a8083063 | Iustin Pop | self.node = node
|
1357 | a8083063 | Iustin Pop | |
1358 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1359 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1360 | a8083063 | Iustin Pop |
|
1361 | a8083063 | Iustin Pop | """
|
1362 | a8083063 | Iustin Pop | node = self.node
|
1363 | a8083063 | Iustin Pop | logger.Info("stopping the node daemon and removing configs from node %s" %
|
1364 | a8083063 | Iustin Pop | node.name) |
1365 | a8083063 | Iustin Pop | |
1366 | d8470559 | Michael Hanselmann | self.context.RemoveNode(node.name)
|
1367 | a8083063 | Iustin Pop | |
1368 | d8470559 | Michael Hanselmann | rpc.call_node_leave_cluster(node.name) |
1369 | c8a0948f | Michael Hanselmann | |
1370 | a8083063 | Iustin Pop | |
1371 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1372 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1373 | a8083063 | Iustin Pop |
|
1374 | a8083063 | Iustin Pop | """
|
1375 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1376 | 35705d8f | Guido Trotter | REQ_BGL = False
|
1377 | a8083063 | Iustin Pop | |
1378 | 35705d8f | Guido Trotter | def ExpandNames(self): |
1379 | e8a4c138 | Iustin Pop | self.dynamic_fields = frozenset([ |
1380 | e8a4c138 | Iustin Pop | "dtotal", "dfree", |
1381 | e8a4c138 | Iustin Pop | "mtotal", "mnode", "mfree", |
1382 | e8a4c138 | Iustin Pop | "bootid",
|
1383 | e8a4c138 | Iustin Pop | "ctotal",
|
1384 | e8a4c138 | Iustin Pop | ]) |
1385 | a8083063 | Iustin Pop | |
1386 | ec223efb | Iustin Pop | _CheckOutputFields(static=["name", "pinst_cnt", "sinst_cnt", |
1387 | ec223efb | Iustin Pop | "pinst_list", "sinst_list", |
1388 | 130a6a6f | Iustin Pop | "pip", "sip", "tags"], |
1389 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
1390 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1391 | a8083063 | Iustin Pop | |
1392 | 35705d8f | Guido Trotter | self.needed_locks = {}
|
1393 | 35705d8f | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1394 | 35705d8f | Guido Trotter | # TODO: we could lock nodes only if the user asked for dynamic fields. For
|
1395 | 35705d8f | Guido Trotter | # that we need atomic ways to get info for a group of nodes from the
|
1396 | 35705d8f | Guido Trotter | # config, though.
|
1397 | 35705d8f | Guido Trotter | if not self.op.names: |
1398 | 35705d8f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = None |
1399 | 35705d8f | Guido Trotter | else:
|
1400 | b91a34a5 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
1401 | b91a34a5 | Guido Trotter | _GetWantedNodes(self, self.op.names) |
1402 | 35705d8f | Guido Trotter | |
1403 | 35705d8f | Guido Trotter | def CheckPrereq(self): |
1404 | 35705d8f | Guido Trotter | """Check prerequisites.
|
1405 | 35705d8f | Guido Trotter |
|
1406 | 35705d8f | Guido Trotter | """
|
1407 | 35705d8f | Guido Trotter | # This of course is valid only if we locked the nodes
|
1408 | 6683bba2 | Guido Trotter | self.wanted = self.acquired_locks[locking.LEVEL_NODE] |
1409 | a8083063 | Iustin Pop | |
1410 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1411 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1412 | a8083063 | Iustin Pop |
|
1413 | a8083063 | Iustin Pop | """
|
1414 | 246e180a | Iustin Pop | nodenames = self.wanted
|
1415 | a8083063 | Iustin Pop | nodelist = [self.cfg.GetNodeInfo(name) for name in nodenames] |
1416 | a8083063 | Iustin Pop | |
1417 | a8083063 | Iustin Pop | # begin data gathering
|
1418 | a8083063 | Iustin Pop | |
1419 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
1420 | a8083063 | Iustin Pop | live_data = {} |
1421 | a8083063 | Iustin Pop | node_data = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
1422 | a8083063 | Iustin Pop | for name in nodenames: |
1423 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1424 | a8083063 | Iustin Pop | if nodeinfo:
|
1425 | a8083063 | Iustin Pop | live_data[name] = { |
1426 | a8083063 | Iustin Pop | "mtotal": utils.TryConvert(int, nodeinfo['memory_total']), |
1427 | a8083063 | Iustin Pop | "mnode": utils.TryConvert(int, nodeinfo['memory_dom0']), |
1428 | a8083063 | Iustin Pop | "mfree": utils.TryConvert(int, nodeinfo['memory_free']), |
1429 | a8083063 | Iustin Pop | "dtotal": utils.TryConvert(int, nodeinfo['vg_size']), |
1430 | a8083063 | Iustin Pop | "dfree": utils.TryConvert(int, nodeinfo['vg_free']), |
1431 | e8a4c138 | Iustin Pop | "ctotal": utils.TryConvert(int, nodeinfo['cpu_total']), |
1432 | 3ef10550 | Michael Hanselmann | "bootid": nodeinfo['bootid'], |
1433 | a8083063 | Iustin Pop | } |
1434 | a8083063 | Iustin Pop | else:
|
1435 | a8083063 | Iustin Pop | live_data[name] = {} |
1436 | a8083063 | Iustin Pop | else:
|
1437 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1438 | a8083063 | Iustin Pop | |
1439 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1440 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1441 | a8083063 | Iustin Pop | |
1442 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1443 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1444 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1445 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1446 | a8083063 | Iustin Pop | |
1447 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1448 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1449 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1450 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1451 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1452 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1453 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1454 | a8083063 | Iustin Pop | |
1455 | a8083063 | Iustin Pop | # end data gathering
|
1456 | a8083063 | Iustin Pop | |
1457 | a8083063 | Iustin Pop | output = [] |
1458 | a8083063 | Iustin Pop | for node in nodelist: |
1459 | a8083063 | Iustin Pop | node_output = [] |
1460 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1461 | a8083063 | Iustin Pop | if field == "name": |
1462 | a8083063 | Iustin Pop | val = node.name |
1463 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1464 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1465 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1466 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1467 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1468 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1469 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1470 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1471 | a8083063 | Iustin Pop | elif field == "pip": |
1472 | a8083063 | Iustin Pop | val = node.primary_ip |
1473 | a8083063 | Iustin Pop | elif field == "sip": |
1474 | a8083063 | Iustin Pop | val = node.secondary_ip |
1475 | 130a6a6f | Iustin Pop | elif field == "tags": |
1476 | 130a6a6f | Iustin Pop | val = list(node.GetTags())
|
1477 | a8083063 | Iustin Pop | elif field in self.dynamic_fields: |
1478 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1479 | a8083063 | Iustin Pop | else:
|
1480 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1481 | a8083063 | Iustin Pop | node_output.append(val) |
1482 | a8083063 | Iustin Pop | output.append(node_output) |
1483 | a8083063 | Iustin Pop | |
1484 | a8083063 | Iustin Pop | return output
|
1485 | a8083063 | Iustin Pop | |
1486 | a8083063 | Iustin Pop | |
1487 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1488 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1489 | dcb93971 | Michael Hanselmann |
|
1490 | dcb93971 | Michael Hanselmann | """
|
1491 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1492 | 21a15682 | Guido Trotter | REQ_BGL = False
|
1493 | 21a15682 | Guido Trotter | |
1494 | 21a15682 | Guido Trotter | def ExpandNames(self): |
1495 | 21a15682 | Guido Trotter | _CheckOutputFields(static=["node"],
|
1496 | 21a15682 | Guido Trotter | dynamic=["phys", "vg", "name", "size", "instance"], |
1497 | 21a15682 | Guido Trotter | selected=self.op.output_fields)
|
1498 | 21a15682 | Guido Trotter | |
1499 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
1500 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
1501 | 21a15682 | Guido Trotter | if not self.op.nodes: |
1502 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = None |
1503 | 21a15682 | Guido Trotter | else:
|
1504 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
1505 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
1506 | dcb93971 | Michael Hanselmann | |
1507 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1508 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1509 | dcb93971 | Michael Hanselmann |
|
1510 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1511 | dcb93971 | Michael Hanselmann |
|
1512 | dcb93971 | Michael Hanselmann | """
|
1513 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
1514 | dcb93971 | Michael Hanselmann | |
1515 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1516 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1517 | dcb93971 | Michael Hanselmann |
|
1518 | dcb93971 | Michael Hanselmann | """
|
1519 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1520 | dcb93971 | Michael Hanselmann | volumes = rpc.call_node_volumes(nodenames) |
1521 | dcb93971 | Michael Hanselmann | |
1522 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1523 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1524 | dcb93971 | Michael Hanselmann | |
1525 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1526 | dcb93971 | Michael Hanselmann | |
1527 | dcb93971 | Michael Hanselmann | output = [] |
1528 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1529 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1530 | 37d19eb2 | Michael Hanselmann | continue
|
1531 | 37d19eb2 | Michael Hanselmann | |
1532 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1533 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1534 | dcb93971 | Michael Hanselmann | |
1535 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1536 | dcb93971 | Michael Hanselmann | node_output = [] |
1537 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1538 | dcb93971 | Michael Hanselmann | if field == "node": |
1539 | dcb93971 | Michael Hanselmann | val = node |
1540 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1541 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1542 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1543 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1544 | dcb93971 | Michael Hanselmann | elif field == "name": |
1545 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1546 | dcb93971 | Michael Hanselmann | elif field == "size": |
1547 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1548 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1549 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1550 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1551 | dcb93971 | Michael Hanselmann | continue
|
1552 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1553 | dcb93971 | Michael Hanselmann | val = inst.name |
1554 | dcb93971 | Michael Hanselmann | break
|
1555 | dcb93971 | Michael Hanselmann | else:
|
1556 | dcb93971 | Michael Hanselmann | val = '-'
|
1557 | dcb93971 | Michael Hanselmann | else:
|
1558 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1559 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1560 | dcb93971 | Michael Hanselmann | |
1561 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1562 | dcb93971 | Michael Hanselmann | |
1563 | dcb93971 | Michael Hanselmann | return output
|
1564 | dcb93971 | Michael Hanselmann | |
1565 | dcb93971 | Michael Hanselmann | |
1566 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1567 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1568 | a8083063 | Iustin Pop |
|
1569 | a8083063 | Iustin Pop | """
|
1570 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1571 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1572 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1573 | a8083063 | Iustin Pop | |
1574 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1575 | a8083063 | Iustin Pop | """Build hooks env.
|
1576 | a8083063 | Iustin Pop |
|
1577 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1578 | a8083063 | Iustin Pop |
|
1579 | a8083063 | Iustin Pop | """
|
1580 | a8083063 | Iustin Pop | env = { |
1581 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1582 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1583 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1584 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1585 | a8083063 | Iustin Pop | } |
1586 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1587 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1588 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1589 | a8083063 | Iustin Pop | |
1590 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1591 | a8083063 | Iustin Pop | """Check prerequisites.
|
1592 | a8083063 | Iustin Pop |
|
1593 | a8083063 | Iustin Pop | This checks:
|
1594 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1595 | a8083063 | Iustin Pop | - it is resolvable
|
1596 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1597 | a8083063 | Iustin Pop |
|
1598 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1599 | a8083063 | Iustin Pop |
|
1600 | a8083063 | Iustin Pop | """
|
1601 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1602 | a8083063 | Iustin Pop | cfg = self.cfg
|
1603 | a8083063 | Iustin Pop | |
1604 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1605 | a8083063 | Iustin Pop | |
1606 | bcf043c9 | Iustin Pop | node = dns_data.name |
1607 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1608 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1609 | a8083063 | Iustin Pop | if secondary_ip is None: |
1610 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1611 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1612 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1613 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1614 | e7c6e02b | Michael Hanselmann | |
1615 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1616 | e7c6e02b | Michael Hanselmann | if not self.op.readd and node in node_list: |
1617 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is already in the configuration" % |
1618 | e7c6e02b | Michael Hanselmann | node) |
1619 | e7c6e02b | Michael Hanselmann | elif self.op.readd and node not in node_list: |
1620 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Node %s is not in the configuration" % node) |
1621 | a8083063 | Iustin Pop | |
1622 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1623 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1624 | e7c6e02b | Michael Hanselmann | |
1625 | e7c6e02b | Michael Hanselmann | if self.op.readd and node == existing_node_name: |
1626 | e7c6e02b | Michael Hanselmann | if (existing_node.primary_ip != primary_ip or |
1627 | e7c6e02b | Michael Hanselmann | existing_node.secondary_ip != secondary_ip): |
1628 | e7c6e02b | Michael Hanselmann | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
1629 | e7c6e02b | Michael Hanselmann | " address configuration as before")
|
1630 | e7c6e02b | Michael Hanselmann | continue
|
1631 | e7c6e02b | Michael Hanselmann | |
1632 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1633 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1634 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1635 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1636 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1637 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1638 | a8083063 | Iustin Pop | |
1639 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1640 | a8083063 | Iustin Pop | # same as for the master
|
1641 | 880478f8 | Iustin Pop | myself = cfg.GetNodeInfo(self.sstore.GetMasterNode())
|
1642 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1643 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1644 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1645 | a8083063 | Iustin Pop | if master_singlehomed:
|
1646 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1647 | 3ecf6786 | Iustin Pop | " new node has one")
|
1648 | a8083063 | Iustin Pop | else:
|
1649 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1650 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1651 | a8083063 | Iustin Pop | |
1652 | a8083063 | Iustin Pop | # checks reachablity
|
1653 | b15d625f | Iustin Pop | if not utils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
1654 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1655 | a8083063 | Iustin Pop | |
1656 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1657 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1658 | b15d625f | Iustin Pop | if not utils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
1659 | b15d625f | Iustin Pop | source=myself.secondary_ip): |
1660 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
1661 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
1662 | a8083063 | Iustin Pop | |
1663 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1664 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1665 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1666 | a8083063 | Iustin Pop | |
1667 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1668 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1669 | a8083063 | Iustin Pop |
|
1670 | a8083063 | Iustin Pop | """
|
1671 | a8083063 | Iustin Pop | new_node = self.new_node
|
1672 | a8083063 | Iustin Pop | node = new_node.name |
1673 | a8083063 | Iustin Pop | |
1674 | a8083063 | Iustin Pop | # check connectivity
|
1675 | a8083063 | Iustin Pop | result = rpc.call_version([node])[node] |
1676 | a8083063 | Iustin Pop | if result:
|
1677 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1678 | a8083063 | Iustin Pop | logger.Info("communication to node %s fine, sw version %s match" %
|
1679 | a8083063 | Iustin Pop | (node, result)) |
1680 | a8083063 | Iustin Pop | else:
|
1681 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1682 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1683 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1684 | a8083063 | Iustin Pop | else:
|
1685 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1686 | a8083063 | Iustin Pop | |
1687 | a8083063 | Iustin Pop | # setup ssh on node
|
1688 | a8083063 | Iustin Pop | logger.Info("copy ssh key to node %s" % node)
|
1689 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
1690 | a8083063 | Iustin Pop | keyarray = [] |
1691 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
1692 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
1693 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
1694 | a8083063 | Iustin Pop | |
1695 | a8083063 | Iustin Pop | for i in keyfiles: |
1696 | a8083063 | Iustin Pop | f = open(i, 'r') |
1697 | a8083063 | Iustin Pop | try:
|
1698 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1699 | a8083063 | Iustin Pop | finally:
|
1700 | a8083063 | Iustin Pop | f.close() |
1701 | a8083063 | Iustin Pop | |
1702 | a8083063 | Iustin Pop | result = rpc.call_node_add(node, keyarray[0], keyarray[1], keyarray[2], |
1703 | a8083063 | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1704 | a8083063 | Iustin Pop | |
1705 | a8083063 | Iustin Pop | if not result: |
1706 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1707 | a8083063 | Iustin Pop | |
1708 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1709 | d9c02ca6 | Michael Hanselmann | utils.AddHostToEtcHosts(new_node.name) |
1710 | c8a0948f | Michael Hanselmann | |
1711 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1712 | 16abfbc2 | Alexander Schreiber | if not rpc.call_node_tcp_ping(new_node.name, |
1713 | 16abfbc2 | Alexander Schreiber | constants.LOCALHOST_IP_ADDRESS, |
1714 | 16abfbc2 | Alexander Schreiber | new_node.secondary_ip, |
1715 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT, |
1716 | 16abfbc2 | Alexander Schreiber | 10, False): |
1717 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
1718 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
1719 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
1720 | a8083063 | Iustin Pop | |
1721 | 5c0527ed | Guido Trotter | node_verify_list = [self.sstore.GetMasterNode()]
|
1722 | 5c0527ed | Guido Trotter | node_verify_param = { |
1723 | 5c0527ed | Guido Trotter | 'nodelist': [node],
|
1724 | 5c0527ed | Guido Trotter | # TODO: do a node-net-test as well?
|
1725 | 5c0527ed | Guido Trotter | } |
1726 | 5c0527ed | Guido Trotter | |
1727 | 5c0527ed | Guido Trotter | result = rpc.call_node_verify(node_verify_list, node_verify_param) |
1728 | 5c0527ed | Guido Trotter | for verifier in node_verify_list: |
1729 | 5c0527ed | Guido Trotter | if not result[verifier]: |
1730 | 5c0527ed | Guido Trotter | raise errors.OpExecError("Cannot communicate with %s's node daemon" |
1731 | 5c0527ed | Guido Trotter | " for remote verification" % verifier)
|
1732 | 5c0527ed | Guido Trotter | if result[verifier]['nodelist']: |
1733 | 5c0527ed | Guido Trotter | for failed in result[verifier]['nodelist']: |
1734 | 5c0527ed | Guido Trotter | feedback_fn("ssh/hostname verification failed %s -> %s" %
|
1735 | 5c0527ed | Guido Trotter | (verifier, result[verifier]['nodelist'][failed]))
|
1736 | 5c0527ed | Guido Trotter | raise errors.OpExecError("ssh/hostname verification failed.") |
1737 | ff98055b | Iustin Pop | |
1738 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1739 | a8083063 | Iustin Pop | # including the node just added
|
1740 | 880478f8 | Iustin Pop | myself = self.cfg.GetNodeInfo(self.sstore.GetMasterNode()) |
1741 | 102b115b | Michael Hanselmann | dist_nodes = self.cfg.GetNodeList()
|
1742 | 102b115b | Michael Hanselmann | if not self.op.readd: |
1743 | 102b115b | Michael Hanselmann | dist_nodes.append(node) |
1744 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1745 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1746 | a8083063 | Iustin Pop | |
1747 | a8083063 | Iustin Pop | logger.Debug("Copying hosts and known_hosts to all nodes")
|
1748 | 107711b0 | Michael Hanselmann | for fname in (constants.ETC_HOSTS, constants.SSH_KNOWN_HOSTS_FILE): |
1749 | a8083063 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1750 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1751 | a8083063 | Iustin Pop | if not result[to_node]: |
1752 | a8083063 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1753 | a8083063 | Iustin Pop | (fname, to_node)) |
1754 | a8083063 | Iustin Pop | |
1755 | 3d1e7706 | Guido Trotter | to_copy = self.sstore.GetFileList()
|
1756 | 2a6469d5 | Alexander Schreiber | if self.sstore.GetHypervisorType() == constants.HT_XEN_HVM31: |
1757 | 2a6469d5 | Alexander Schreiber | to_copy.append(constants.VNC_PASSWORD_FILE) |
1758 | a8083063 | Iustin Pop | for fname in to_copy: |
1759 | b5602d15 | Guido Trotter | result = rpc.call_upload_file([node], fname) |
1760 | b5602d15 | Guido Trotter | if not result[node]: |
1761 | a8083063 | Iustin Pop | logger.Error("could not copy file %s to node %s" % (fname, node))
|
1762 | a8083063 | Iustin Pop | |
1763 | d8470559 | Michael Hanselmann | if self.op.readd: |
1764 | d8470559 | Michael Hanselmann | self.context.ReaddNode(new_node)
|
1765 | d8470559 | Michael Hanselmann | else:
|
1766 | d8470559 | Michael Hanselmann | self.context.AddNode(new_node)
|
1767 | a8083063 | Iustin Pop | |
1768 | a8083063 | Iustin Pop | |
1769 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1770 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1771 | a8083063 | Iustin Pop |
|
1772 | a8083063 | Iustin Pop | """
|
1773 | a8083063 | Iustin Pop | _OP_REQP = [] |
1774 | 59322403 | Iustin Pop | REQ_MASTER = False
|
1775 | 642339cf | Guido Trotter | REQ_BGL = False
|
1776 | 642339cf | Guido Trotter | |
1777 | 642339cf | Guido Trotter | def ExpandNames(self): |
1778 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1779 | a8083063 | Iustin Pop | |
1780 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1781 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1782 | a8083063 | Iustin Pop |
|
1783 | a8083063 | Iustin Pop | """
|
1784 | a8083063 | Iustin Pop | pass
|
1785 | a8083063 | Iustin Pop | |
1786 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1787 | a8083063 | Iustin Pop | """Return cluster config.
|
1788 | a8083063 | Iustin Pop |
|
1789 | a8083063 | Iustin Pop | """
|
1790 | a8083063 | Iustin Pop | result = { |
1791 | 5fcdc80d | Iustin Pop | "name": self.sstore.GetClusterName(), |
1792 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1793 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1794 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1795 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1796 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1797 | 880478f8 | Iustin Pop | "master": self.sstore.GetMasterNode(), |
1798 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1799 | 8a12ce45 | Iustin Pop | "hypervisor_type": self.sstore.GetHypervisorType(), |
1800 | a8083063 | Iustin Pop | } |
1801 | a8083063 | Iustin Pop | |
1802 | a8083063 | Iustin Pop | return result
|
1803 | a8083063 | Iustin Pop | |
1804 | a8083063 | Iustin Pop | |
1805 | a8083063 | Iustin Pop | class LUDumpClusterConfig(NoHooksLU): |
1806 | a8083063 | Iustin Pop | """Return a text-representation of the cluster-config.
|
1807 | a8083063 | Iustin Pop |
|
1808 | a8083063 | Iustin Pop | """
|
1809 | a8083063 | Iustin Pop | _OP_REQP = [] |
1810 | 642339cf | Guido Trotter | REQ_BGL = False
|
1811 | 642339cf | Guido Trotter | |
1812 | 642339cf | Guido Trotter | def ExpandNames(self): |
1813 | 642339cf | Guido Trotter | self.needed_locks = {}
|
1814 | a8083063 | Iustin Pop | |
1815 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1816 | a8083063 | Iustin Pop | """No prerequisites.
|
1817 | a8083063 | Iustin Pop |
|
1818 | a8083063 | Iustin Pop | """
|
1819 | a8083063 | Iustin Pop | pass
|
1820 | a8083063 | Iustin Pop | |
1821 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1822 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
1823 | a8083063 | Iustin Pop |
|
1824 | a8083063 | Iustin Pop | """
|
1825 | a8083063 | Iustin Pop | return self.cfg.DumpConfig() |
1826 | a8083063 | Iustin Pop | |
1827 | a8083063 | Iustin Pop | |
1828 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
1829 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
1830 | a8083063 | Iustin Pop |
|
1831 | a8083063 | Iustin Pop | """
|
1832 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1833 | a8083063 | Iustin Pop | |
1834 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1835 | a8083063 | Iustin Pop | """Check prerequisites.
|
1836 | a8083063 | Iustin Pop |
|
1837 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1838 | a8083063 | Iustin Pop |
|
1839 | a8083063 | Iustin Pop | """
|
1840 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1841 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1842 | a8083063 | Iustin Pop | if instance is None: |
1843 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1844 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1845 | a8083063 | Iustin Pop | self.instance = instance
|
1846 | a8083063 | Iustin Pop | |
1847 | a8083063 | Iustin Pop | |
1848 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1849 | a8083063 | Iustin Pop | """Activate the disks.
|
1850 | a8083063 | Iustin Pop |
|
1851 | a8083063 | Iustin Pop | """
|
1852 | a8083063 | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self.instance, self.cfg) |
1853 | a8083063 | Iustin Pop | if not disks_ok: |
1854 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
1855 | a8083063 | Iustin Pop | |
1856 | a8083063 | Iustin Pop | return disks_info
|
1857 | a8083063 | Iustin Pop | |
1858 | a8083063 | Iustin Pop | |
1859 | a8083063 | Iustin Pop | def _AssembleInstanceDisks(instance, cfg, ignore_secondaries=False): |
1860 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
1861 | a8083063 | Iustin Pop |
|
1862 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
1863 | a8083063 | Iustin Pop |
|
1864 | a8083063 | Iustin Pop | Args:
|
1865 | a8083063 | Iustin Pop | instance: a ganeti.objects.Instance object
|
1866 | a8083063 | Iustin Pop | ignore_secondaries: if true, errors on secondary nodes won't result
|
1867 | a8083063 | Iustin Pop | in an error return from the function
|
1868 | a8083063 | Iustin Pop |
|
1869 | a8083063 | Iustin Pop | Returns:
|
1870 | a8083063 | Iustin Pop | false if the operation failed
|
1871 | a8083063 | Iustin Pop | list of (host, instance_visible_name, node_visible_name) if the operation
|
1872 | a8083063 | Iustin Pop | suceeded with the mapping from node devices to instance devices
|
1873 | a8083063 | Iustin Pop | """
|
1874 | a8083063 | Iustin Pop | device_info = [] |
1875 | a8083063 | Iustin Pop | disks_ok = True
|
1876 | fdbd668d | Iustin Pop | iname = instance.name |
1877 | fdbd668d | Iustin Pop | # With the two passes mechanism we try to reduce the window of
|
1878 | fdbd668d | Iustin Pop | # opportunity for the race condition of switching DRBD to primary
|
1879 | fdbd668d | Iustin Pop | # before handshaking occured, but we do not eliminate it
|
1880 | fdbd668d | Iustin Pop | |
1881 | fdbd668d | Iustin Pop | # The proper fix would be to wait (with some limits) until the
|
1882 | fdbd668d | Iustin Pop | # connection has been made and drbd transitions from WFConnection
|
1883 | fdbd668d | Iustin Pop | # into any other network-connected state (Connected, SyncTarget,
|
1884 | fdbd668d | Iustin Pop | # SyncSource, etc.)
|
1885 | fdbd668d | Iustin Pop | |
1886 | fdbd668d | Iustin Pop | # 1st pass, assemble on all nodes in secondary mode
|
1887 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
1888 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1889 | a8083063 | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1890 | fdbd668d | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, iname, False)
|
1891 | a8083063 | Iustin Pop | if not result: |
1892 | f4bc1f2c | Michael Hanselmann | logger.Error("could not prepare block device %s on node %s"
|
1893 | fdbd668d | Iustin Pop | " (is_primary=False, pass=1)" % (inst_disk.iv_name, node))
|
1894 | fdbd668d | Iustin Pop | if not ignore_secondaries: |
1895 | a8083063 | Iustin Pop | disks_ok = False
|
1896 | fdbd668d | Iustin Pop | |
1897 | fdbd668d | Iustin Pop | # FIXME: race condition on drbd migration to primary
|
1898 | fdbd668d | Iustin Pop | |
1899 | fdbd668d | Iustin Pop | # 2nd pass, do only the primary node
|
1900 | fdbd668d | Iustin Pop | for inst_disk in instance.disks: |
1901 | fdbd668d | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1902 | fdbd668d | Iustin Pop | if node != instance.primary_node:
|
1903 | fdbd668d | Iustin Pop | continue
|
1904 | fdbd668d | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1905 | fdbd668d | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, iname, True)
|
1906 | fdbd668d | Iustin Pop | if not result: |
1907 | fdbd668d | Iustin Pop | logger.Error("could not prepare block device %s on node %s"
|
1908 | fdbd668d | Iustin Pop | " (is_primary=True, pass=2)" % (inst_disk.iv_name, node))
|
1909 | fdbd668d | Iustin Pop | disks_ok = False
|
1910 | fdbd668d | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, result)) |
1911 | a8083063 | Iustin Pop | |
1912 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
1913 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
1914 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
1915 | b352ab5b | Iustin Pop | for disk in instance.disks: |
1916 | b352ab5b | Iustin Pop | cfg.SetDiskID(disk, instance.primary_node) |
1917 | b352ab5b | Iustin Pop | |
1918 | a8083063 | Iustin Pop | return disks_ok, device_info
|
1919 | a8083063 | Iustin Pop | |
1920 | a8083063 | Iustin Pop | |
1921 | fe7b0351 | Michael Hanselmann | def _StartInstanceDisks(cfg, instance, force): |
1922 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
1923 | 3ecf6786 | Iustin Pop |
|
1924 | 3ecf6786 | Iustin Pop | """
|
1925 | fe7b0351 | Michael Hanselmann | disks_ok, dummy = _AssembleInstanceDisks(instance, cfg, |
1926 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
1927 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
1928 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(instance, cfg) |
1929 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
1930 | fe7b0351 | Michael Hanselmann | logger.Error("If the message above refers to a secondary node,"
|
1931 | fe7b0351 | Michael Hanselmann | " you can retry the operation using '--force'.")
|
1932 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
1933 | fe7b0351 | Michael Hanselmann | |
1934 | fe7b0351 | Michael Hanselmann | |
1935 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
1936 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
1937 | a8083063 | Iustin Pop |
|
1938 | a8083063 | Iustin Pop | """
|
1939 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1940 | a8083063 | Iustin Pop | |
1941 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1942 | a8083063 | Iustin Pop | """Check prerequisites.
|
1943 | a8083063 | Iustin Pop |
|
1944 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1945 | a8083063 | Iustin Pop |
|
1946 | a8083063 | Iustin Pop | """
|
1947 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1948 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1949 | a8083063 | Iustin Pop | if instance is None: |
1950 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1951 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1952 | a8083063 | Iustin Pop | self.instance = instance
|
1953 | a8083063 | Iustin Pop | |
1954 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1955 | a8083063 | Iustin Pop | """Deactivate the disks
|
1956 | a8083063 | Iustin Pop |
|
1957 | a8083063 | Iustin Pop | """
|
1958 | a8083063 | Iustin Pop | instance = self.instance
|
1959 | a8083063 | Iustin Pop | ins_l = rpc.call_instance_list([instance.primary_node]) |
1960 | a8083063 | Iustin Pop | ins_l = ins_l[instance.primary_node] |
1961 | a8083063 | Iustin Pop | if not type(ins_l) is list: |
1962 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't contact node '%s'" % |
1963 | 3ecf6786 | Iustin Pop | instance.primary_node) |
1964 | a8083063 | Iustin Pop | |
1965 | a8083063 | Iustin Pop | if self.instance.name in ins_l: |
1966 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance is running, can't shutdown" |
1967 | 3ecf6786 | Iustin Pop | " block devices.")
|
1968 | a8083063 | Iustin Pop | |
1969 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
1970 | a8083063 | Iustin Pop | |
1971 | a8083063 | Iustin Pop | |
1972 | a8083063 | Iustin Pop | def _ShutdownInstanceDisks(instance, cfg, ignore_primary=False): |
1973 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
1974 | a8083063 | Iustin Pop |
|
1975 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
1976 | a8083063 | Iustin Pop |
|
1977 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
1978 | a8083063 | Iustin Pop | ignored.
|
1979 | a8083063 | Iustin Pop |
|
1980 | a8083063 | Iustin Pop | """
|
1981 | a8083063 | Iustin Pop | result = True
|
1982 | a8083063 | Iustin Pop | for disk in instance.disks: |
1983 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
1984 | a8083063 | Iustin Pop | cfg.SetDiskID(top_disk, node) |
1985 | a8083063 | Iustin Pop | if not rpc.call_blockdev_shutdown(node, top_disk): |
1986 | a8083063 | Iustin Pop | logger.Error("could not shutdown block device %s on node %s" %
|
1987 | a8083063 | Iustin Pop | (disk.iv_name, node)) |
1988 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
1989 | a8083063 | Iustin Pop | result = False
|
1990 | a8083063 | Iustin Pop | return result
|
1991 | a8083063 | Iustin Pop | |
1992 | a8083063 | Iustin Pop | |
1993 | d4f16fd9 | Iustin Pop | def _CheckNodeFreeMemory(cfg, node, reason, requested): |
1994 | d4f16fd9 | Iustin Pop | """Checks if a node has enough free memory.
|
1995 | d4f16fd9 | Iustin Pop |
|
1996 | d4f16fd9 | Iustin Pop | This function check if a given node has the needed amount of free
|
1997 | d4f16fd9 | Iustin Pop | memory. In case the node has less memory or we cannot get the
|
1998 | d4f16fd9 | Iustin Pop | information from the node, this function raise an OpPrereqError
|
1999 | d4f16fd9 | Iustin Pop | exception.
|
2000 | d4f16fd9 | Iustin Pop |
|
2001 | d4f16fd9 | Iustin Pop | Args:
|
2002 | d4f16fd9 | Iustin Pop | - cfg: a ConfigWriter instance
|
2003 | d4f16fd9 | Iustin Pop | - node: the node name
|
2004 | d4f16fd9 | Iustin Pop | - reason: string to use in the error message
|
2005 | d4f16fd9 | Iustin Pop | - requested: the amount of memory in MiB
|
2006 | d4f16fd9 | Iustin Pop |
|
2007 | d4f16fd9 | Iustin Pop | """
|
2008 | d4f16fd9 | Iustin Pop | nodeinfo = rpc.call_node_info([node], cfg.GetVGName()) |
2009 | d4f16fd9 | Iustin Pop | if not nodeinfo or not isinstance(nodeinfo, dict): |
2010 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Could not contact node %s for resource" |
2011 | d4f16fd9 | Iustin Pop | " information" % (node,))
|
2012 | d4f16fd9 | Iustin Pop | |
2013 | d4f16fd9 | Iustin Pop | free_mem = nodeinfo[node].get('memory_free')
|
2014 | d4f16fd9 | Iustin Pop | if not isinstance(free_mem, int): |
2015 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Can't compute free memory on node %s, result" |
2016 | d4f16fd9 | Iustin Pop | " was '%s'" % (node, free_mem))
|
2017 | d4f16fd9 | Iustin Pop | if requested > free_mem:
|
2018 | d4f16fd9 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on node %s for %s:" |
2019 | d4f16fd9 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
2020 | d4f16fd9 | Iustin Pop | (node, reason, requested, free_mem)) |
2021 | d4f16fd9 | Iustin Pop | |
2022 | d4f16fd9 | Iustin Pop | |
2023 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
2024 | a8083063 | Iustin Pop | """Starts an instance.
|
2025 | a8083063 | Iustin Pop |
|
2026 | a8083063 | Iustin Pop | """
|
2027 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
2028 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2029 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
2030 | e873317a | Guido Trotter | REQ_BGL = False
|
2031 | e873317a | Guido Trotter | |
2032 | e873317a | Guido Trotter | def ExpandNames(self): |
2033 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2034 | e873317a | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2035 | e873317a | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = 'replace' |
2036 | e873317a | Guido Trotter | |
2037 | e873317a | Guido Trotter | def DeclareLocks(self, level): |
2038 | e873317a | Guido Trotter | if level == locking.LEVEL_NODE:
|
2039 | e873317a | Guido Trotter | self._LockInstancesNodes()
|
2040 | a8083063 | Iustin Pop | |
2041 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2042 | a8083063 | Iustin Pop | """Build hooks env.
|
2043 | a8083063 | Iustin Pop |
|
2044 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2045 | a8083063 | Iustin Pop |
|
2046 | a8083063 | Iustin Pop | """
|
2047 | a8083063 | Iustin Pop | env = { |
2048 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
2049 | a8083063 | Iustin Pop | } |
2050 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2051 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2052 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2053 | a8083063 | Iustin Pop | return env, nl, nl
|
2054 | a8083063 | Iustin Pop | |
2055 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2056 | a8083063 | Iustin Pop | """Check prerequisites.
|
2057 | a8083063 | Iustin Pop |
|
2058 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2059 | a8083063 | Iustin Pop |
|
2060 | a8083063 | Iustin Pop | """
|
2061 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2062 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2063 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2064 | a8083063 | Iustin Pop | |
2065 | a8083063 | Iustin Pop | # check bridges existance
|
2066 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2067 | a8083063 | Iustin Pop | |
2068 | d4f16fd9 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, instance.primary_node,
|
2069 | d4f16fd9 | Iustin Pop | "starting instance %s" % instance.name,
|
2070 | d4f16fd9 | Iustin Pop | instance.memory) |
2071 | d4f16fd9 | Iustin Pop | |
2072 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2073 | a8083063 | Iustin Pop | """Start the instance.
|
2074 | a8083063 | Iustin Pop |
|
2075 | a8083063 | Iustin Pop | """
|
2076 | a8083063 | Iustin Pop | instance = self.instance
|
2077 | a8083063 | Iustin Pop | force = self.op.force
|
2078 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
2079 | a8083063 | Iustin Pop | |
2080 | fe482621 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2081 | fe482621 | Iustin Pop | |
2082 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2083 | a8083063 | Iustin Pop | |
2084 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, instance, force)
|
2085 | a8083063 | Iustin Pop | |
2086 | a8083063 | Iustin Pop | if not rpc.call_instance_start(node_current, instance, extra_args): |
2087 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2088 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2089 | a8083063 | Iustin Pop | |
2090 | a8083063 | Iustin Pop | |
2091 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2092 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2093 | bf6929a2 | Alexander Schreiber |
|
2094 | bf6929a2 | Alexander Schreiber | """
|
2095 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2096 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2097 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2098 | e873317a | Guido Trotter | REQ_BGL = False
|
2099 | e873317a | Guido Trotter | |
2100 | e873317a | Guido Trotter | def ExpandNames(self): |
2101 | 0fcc5db3 | Guido Trotter | if self.op.reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2102 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2103 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL]: |
2104 | 0fcc5db3 | Guido Trotter | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2105 | 0fcc5db3 | Guido Trotter | (constants.INSTANCE_REBOOT_SOFT, |
2106 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_HARD, |
2107 | 0fcc5db3 | Guido Trotter | constants.INSTANCE_REBOOT_FULL)) |
2108 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2109 | e873317a | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2110 | e873317a | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = 'replace' |
2111 | e873317a | Guido Trotter | |
2112 | e873317a | Guido Trotter | def DeclareLocks(self, level): |
2113 | e873317a | Guido Trotter | if level == locking.LEVEL_NODE:
|
2114 | 0fcc5db3 | Guido Trotter | # FIXME: lock only primary on (not constants.INSTANCE_REBOOT_FULL)
|
2115 | e873317a | Guido Trotter | self._LockInstancesNodes()
|
2116 | bf6929a2 | Alexander Schreiber | |
2117 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2118 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2119 | bf6929a2 | Alexander Schreiber |
|
2120 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2121 | bf6929a2 | Alexander Schreiber |
|
2122 | bf6929a2 | Alexander Schreiber | """
|
2123 | bf6929a2 | Alexander Schreiber | env = { |
2124 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2125 | bf6929a2 | Alexander Schreiber | } |
2126 | bf6929a2 | Alexander Schreiber | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2127 | bf6929a2 | Alexander Schreiber | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2128 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2129 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2130 | bf6929a2 | Alexander Schreiber | |
2131 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2132 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2133 | bf6929a2 | Alexander Schreiber |
|
2134 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2135 | bf6929a2 | Alexander Schreiber |
|
2136 | bf6929a2 | Alexander Schreiber | """
|
2137 | e873317a | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2138 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2139 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2140 | bf6929a2 | Alexander Schreiber | |
2141 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2142 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2143 | bf6929a2 | Alexander Schreiber | |
2144 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2145 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2146 | bf6929a2 | Alexander Schreiber |
|
2147 | bf6929a2 | Alexander Schreiber | """
|
2148 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2149 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2150 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2151 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2152 | bf6929a2 | Alexander Schreiber | |
2153 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2154 | bf6929a2 | Alexander Schreiber | |
2155 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2156 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2157 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_reboot(node_current, instance, |
2158 | bf6929a2 | Alexander Schreiber | reboot_type, extra_args): |
2159 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2160 | bf6929a2 | Alexander Schreiber | else:
|
2161 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_shutdown(node_current, instance): |
2162 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2163 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2164 | bf6929a2 | Alexander Schreiber | _StartInstanceDisks(self.cfg, instance, ignore_secondaries)
|
2165 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_start(node_current, instance, extra_args): |
2166 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2167 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2168 | bf6929a2 | Alexander Schreiber | |
2169 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2170 | bf6929a2 | Alexander Schreiber | |
2171 | bf6929a2 | Alexander Schreiber | |
2172 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2173 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2174 | a8083063 | Iustin Pop |
|
2175 | a8083063 | Iustin Pop | """
|
2176 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2177 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2178 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2179 | e873317a | Guido Trotter | REQ_BGL = False
|
2180 | e873317a | Guido Trotter | |
2181 | e873317a | Guido Trotter | def ExpandNames(self): |
2182 | e873317a | Guido Trotter | self._ExpandAndLockInstance()
|
2183 | e873317a | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2184 | e873317a | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = 'replace' |
2185 | e873317a | Guido Trotter | |
2186 | e873317a | Guido Trotter | def DeclareLocks(self, level): |
2187 | e873317a | Guido Trotter | if level == locking.LEVEL_NODE:
|
2188 | e873317a | Guido Trotter | self._LockInstancesNodes()
|
2189 | a8083063 | Iustin Pop | |
2190 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2191 | a8083063 | Iustin Pop | """Build hooks env.
|
2192 | a8083063 | Iustin Pop |
|
2193 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2194 | a8083063 | Iustin Pop |
|
2195 | a8083063 | Iustin Pop | """
|
2196 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2197 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2198 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2199 | a8083063 | Iustin Pop | return env, nl, nl
|
2200 | a8083063 | Iustin Pop | |
2201 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2202 | a8083063 | Iustin Pop | """Check prerequisites.
|
2203 | a8083063 | Iustin Pop |
|
2204 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2205 | a8083063 | Iustin Pop |
|
2206 | a8083063 | Iustin Pop | """
|
2207 | e873317a | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2208 | e873317a | Guido Trotter | assert self.instance is not None, \ |
2209 | e873317a | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2210 | a8083063 | Iustin Pop | |
2211 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2212 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2213 | a8083063 | Iustin Pop |
|
2214 | a8083063 | Iustin Pop | """
|
2215 | a8083063 | Iustin Pop | instance = self.instance
|
2216 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2217 | fe482621 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2218 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(node_current, instance): |
2219 | a8083063 | Iustin Pop | logger.Error("could not shutdown instance")
|
2220 | a8083063 | Iustin Pop | |
2221 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2222 | a8083063 | Iustin Pop | |
2223 | a8083063 | Iustin Pop | |
2224 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2225 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2226 | fe7b0351 | Michael Hanselmann |
|
2227 | fe7b0351 | Michael Hanselmann | """
|
2228 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2229 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2230 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2231 | 4e0b4d2d | Guido Trotter | REQ_BGL = False
|
2232 | 4e0b4d2d | Guido Trotter | |
2233 | 4e0b4d2d | Guido Trotter | def ExpandNames(self): |
2234 | 4e0b4d2d | Guido Trotter | self._ExpandAndLockInstance()
|
2235 | 4e0b4d2d | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2236 | 4e0b4d2d | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = 'replace' |
2237 | 4e0b4d2d | Guido Trotter | |
2238 | 4e0b4d2d | Guido Trotter | def DeclareLocks(self, level): |
2239 | 4e0b4d2d | Guido Trotter | if level == locking.LEVEL_NODE:
|
2240 | 4e0b4d2d | Guido Trotter | self._LockInstancesNodes()
|
2241 | fe7b0351 | Michael Hanselmann | |
2242 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2243 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2244 | fe7b0351 | Michael Hanselmann |
|
2245 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2246 | fe7b0351 | Michael Hanselmann |
|
2247 | fe7b0351 | Michael Hanselmann | """
|
2248 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2249 | fe7b0351 | Michael Hanselmann | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2250 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2251 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2252 | fe7b0351 | Michael Hanselmann | |
2253 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2254 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2255 | fe7b0351 | Michael Hanselmann |
|
2256 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2257 | fe7b0351 | Michael Hanselmann |
|
2258 | fe7b0351 | Michael Hanselmann | """
|
2259 | 4e0b4d2d | Guido Trotter | instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2260 | 4e0b4d2d | Guido Trotter | assert instance is not None, \ |
2261 | 4e0b4d2d | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2262 | 4e0b4d2d | Guido Trotter | |
2263 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2264 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2265 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2266 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2267 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2268 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2269 | fe7b0351 | Michael Hanselmann | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2270 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2271 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2272 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2273 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2274 | d0834de3 | Michael Hanselmann | |
2275 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2276 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2277 | d0834de3 | Michael Hanselmann | # OS verification
|
2278 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2279 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2280 | d0834de3 | Michael Hanselmann | if pnode is None: |
2281 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2282 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2283 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
2284 | dfa96ded | Guido Trotter | if not os_obj: |
2285 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2286 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2287 | d0834de3 | Michael Hanselmann | |
2288 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2289 | fe7b0351 | Michael Hanselmann | |
2290 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2291 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2292 | fe7b0351 | Michael Hanselmann |
|
2293 | fe7b0351 | Michael Hanselmann | """
|
2294 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2295 | fe7b0351 | Michael Hanselmann | |
2296 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2297 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2298 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2299 | d0834de3 | Michael Hanselmann | self.cfg.AddInstance(inst)
|
2300 | d0834de3 | Michael Hanselmann | |
2301 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, inst, None) |
2302 | fe7b0351 | Michael Hanselmann | try:
|
2303 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2304 | fe7b0351 | Michael Hanselmann | if not rpc.call_instance_os_add(inst.primary_node, inst, "sda", "sdb"): |
2305 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2306 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2307 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2308 | fe7b0351 | Michael Hanselmann | finally:
|
2309 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(inst, self.cfg)
|
2310 | fe7b0351 | Michael Hanselmann | |
2311 | fe7b0351 | Michael Hanselmann | |
2312 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2313 | decd5f45 | Iustin Pop | """Rename an instance.
|
2314 | decd5f45 | Iustin Pop |
|
2315 | decd5f45 | Iustin Pop | """
|
2316 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2317 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2318 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2319 | decd5f45 | Iustin Pop | |
2320 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2321 | decd5f45 | Iustin Pop | """Build hooks env.
|
2322 | decd5f45 | Iustin Pop |
|
2323 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2324 | decd5f45 | Iustin Pop |
|
2325 | decd5f45 | Iustin Pop | """
|
2326 | decd5f45 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self.instance)
|
2327 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2328 | decd5f45 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2329 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2330 | decd5f45 | Iustin Pop | return env, nl, nl
|
2331 | decd5f45 | Iustin Pop | |
2332 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2333 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2334 | decd5f45 | Iustin Pop |
|
2335 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2336 | decd5f45 | Iustin Pop |
|
2337 | decd5f45 | Iustin Pop | """
|
2338 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2339 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2340 | decd5f45 | Iustin Pop | if instance is None: |
2341 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2342 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2343 | decd5f45 | Iustin Pop | if instance.status != "down": |
2344 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2345 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2346 | decd5f45 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2347 | decd5f45 | Iustin Pop | if remote_info:
|
2348 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2349 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2350 | decd5f45 | Iustin Pop | instance.primary_node)) |
2351 | decd5f45 | Iustin Pop | self.instance = instance
|
2352 | decd5f45 | Iustin Pop | |
2353 | decd5f45 | Iustin Pop | # new name verification
|
2354 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2355 | decd5f45 | Iustin Pop | |
2356 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2357 | 7bde3275 | Guido Trotter | instance_list = self.cfg.GetInstanceList()
|
2358 | 7bde3275 | Guido Trotter | if new_name in instance_list: |
2359 | 7bde3275 | Guido Trotter | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2360 | c09f363f | Manuel Franceschini | new_name) |
2361 | 7bde3275 | Guido Trotter | |
2362 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2363 | 937f983d | Guido Trotter | if utils.TcpPing(name_info.ip, constants.DEFAULT_NODED_PORT):
|
2364 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2365 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2366 | decd5f45 | Iustin Pop | |
2367 | decd5f45 | Iustin Pop | |
2368 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2369 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2370 | decd5f45 | Iustin Pop |
|
2371 | decd5f45 | Iustin Pop | """
|
2372 | decd5f45 | Iustin Pop | inst = self.instance
|
2373 | decd5f45 | Iustin Pop | old_name = inst.name |
2374 | decd5f45 | Iustin Pop | |
2375 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2376 | b23c4333 | Manuel Franceschini | old_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2377 | b23c4333 | Manuel Franceschini | |
2378 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2379 | 74b5913f | Guido Trotter | # Change the instance lock. This is definitely safe while we hold the BGL
|
2380 | 74b5913f | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, inst.name)
|
2381 | 74b5913f | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, self.op.new_name) |
2382 | decd5f45 | Iustin Pop | |
2383 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2384 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2385 | decd5f45 | Iustin Pop | |
2386 | b23c4333 | Manuel Franceschini | if inst.disk_template == constants.DT_FILE:
|
2387 | b23c4333 | Manuel Franceschini | new_file_storage_dir = os.path.dirname(inst.disks[0].logical_id[1]) |
2388 | b23c4333 | Manuel Franceschini | result = rpc.call_file_storage_dir_rename(inst.primary_node, |
2389 | b23c4333 | Manuel Franceschini | old_file_storage_dir, |
2390 | b23c4333 | Manuel Franceschini | new_file_storage_dir) |
2391 | b23c4333 | Manuel Franceschini | |
2392 | b23c4333 | Manuel Franceschini | if not result: |
2393 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not connect to node '%s' to rename" |
2394 | b23c4333 | Manuel Franceschini | " directory '%s' to '%s' (but the instance"
|
2395 | b23c4333 | Manuel Franceschini | " has been renamed in Ganeti)" % (
|
2396 | b23c4333 | Manuel Franceschini | inst.primary_node, old_file_storage_dir, |
2397 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2398 | b23c4333 | Manuel Franceschini | |
2399 | b23c4333 | Manuel Franceschini | if not result[0]: |
2400 | b23c4333 | Manuel Franceschini | raise errors.OpExecError("Could not rename directory '%s' to '%s'" |
2401 | b23c4333 | Manuel Franceschini | " (but the instance has been renamed in"
|
2402 | b23c4333 | Manuel Franceschini | " Ganeti)" % (old_file_storage_dir,
|
2403 | b23c4333 | Manuel Franceschini | new_file_storage_dir)) |
2404 | b23c4333 | Manuel Franceschini | |
2405 | decd5f45 | Iustin Pop | _StartInstanceDisks(self.cfg, inst, None) |
2406 | decd5f45 | Iustin Pop | try:
|
2407 | decd5f45 | Iustin Pop | if not rpc.call_instance_run_rename(inst.primary_node, inst, old_name, |
2408 | decd5f45 | Iustin Pop | "sda", "sdb"): |
2409 | 6291574d | Alexander Schreiber | msg = ("Could not run OS rename script for instance %s on node %s"
|
2410 | 6291574d | Alexander Schreiber | " (but the instance has been renamed in Ganeti)" %
|
2411 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2412 | decd5f45 | Iustin Pop | logger.Error(msg) |
2413 | decd5f45 | Iustin Pop | finally:
|
2414 | decd5f45 | Iustin Pop | _ShutdownInstanceDisks(inst, self.cfg)
|
2415 | decd5f45 | Iustin Pop | |
2416 | decd5f45 | Iustin Pop | |
2417 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2418 | a8083063 | Iustin Pop | """Remove an instance.
|
2419 | a8083063 | Iustin Pop |
|
2420 | a8083063 | Iustin Pop | """
|
2421 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2422 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2423 | 5c54b832 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_failures"] |
2424 | a8083063 | Iustin Pop | |
2425 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2426 | a8083063 | Iustin Pop | """Build hooks env.
|
2427 | a8083063 | Iustin Pop |
|
2428 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2429 | a8083063 | Iustin Pop |
|
2430 | a8083063 | Iustin Pop | """
|
2431 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2432 | 1d67656e | Iustin Pop | nl = [self.sstore.GetMasterNode()]
|
2433 | a8083063 | Iustin Pop | return env, nl, nl
|
2434 | a8083063 | Iustin Pop | |
2435 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2436 | a8083063 | Iustin Pop | """Check prerequisites.
|
2437 | a8083063 | Iustin Pop |
|
2438 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2439 | a8083063 | Iustin Pop |
|
2440 | a8083063 | Iustin Pop | """
|
2441 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2442 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2443 | a8083063 | Iustin Pop | if instance is None: |
2444 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2445 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2446 | a8083063 | Iustin Pop | self.instance = instance
|
2447 | a8083063 | Iustin Pop | |
2448 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2449 | a8083063 | Iustin Pop | """Remove the instance.
|
2450 | a8083063 | Iustin Pop |
|
2451 | a8083063 | Iustin Pop | """
|
2452 | a8083063 | Iustin Pop | instance = self.instance
|
2453 | a8083063 | Iustin Pop | logger.Info("shutting down instance %s on node %s" %
|
2454 | a8083063 | Iustin Pop | (instance.name, instance.primary_node)) |
2455 | a8083063 | Iustin Pop | |
2456 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(instance.primary_node, instance): |
2457 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2458 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
2459 | 1d67656e | Iustin Pop | else:
|
2460 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2461 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
2462 | a8083063 | Iustin Pop | |
2463 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2464 | a8083063 | Iustin Pop | |
2465 | 1d67656e | Iustin Pop | if not _RemoveDisks(instance, self.cfg): |
2466 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2467 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
2468 | 1d67656e | Iustin Pop | else:
|
2469 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
2470 | a8083063 | Iustin Pop | |
2471 | a8083063 | Iustin Pop | logger.Info("removing instance %s out of cluster config" % instance.name)
|
2472 | a8083063 | Iustin Pop | |
2473 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2474 | a2fd9afc | Guido Trotter | # Remove the new instance from the Ganeti Lock Manager
|
2475 | a2fd9afc | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, instance.name)
|
2476 | a8083063 | Iustin Pop | |
2477 | a8083063 | Iustin Pop | |
2478 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2479 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2480 | a8083063 | Iustin Pop |
|
2481 | a8083063 | Iustin Pop | """
|
2482 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2483 | 7eb9d8f7 | Guido Trotter | REQ_BGL = False
|
2484 | a8083063 | Iustin Pop | |
2485 | 7eb9d8f7 | Guido Trotter | def ExpandNames(self): |
2486 | d8052456 | Iustin Pop | self.dynamic_fields = frozenset(["oper_state", "oper_ram", "status"]) |
2487 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["name", "os", "pnode", "snodes", |
2488 | dcb93971 | Michael Hanselmann | "admin_state", "admin_ram", |
2489 | 644eeef9 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2490 | 3fb1e1c5 | Alexander Schreiber | "sda_size", "sdb_size", "vcpus", "tags", |
2491 | 3fb1e1c5 | Alexander Schreiber | "auto_balance",
|
2492 | 3fb1e1c5 | Alexander Schreiber | "network_port", "kernel_path", "initrd_path", |
2493 | 3fb1e1c5 | Alexander Schreiber | "hvm_boot_order", "hvm_acpi", "hvm_pae", |
2494 | 3fb1e1c5 | Alexander Schreiber | "hvm_cdrom_image_path", "hvm_nic_type", |
2495 | 3fb1e1c5 | Alexander Schreiber | "hvm_disk_type", "vnc_bind_address"], |
2496 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
2497 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2498 | a8083063 | Iustin Pop | |
2499 | 7eb9d8f7 | Guido Trotter | self.needed_locks = {}
|
2500 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_INSTANCE] = 1 |
2501 | 7eb9d8f7 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
2502 | 7eb9d8f7 | Guido Trotter | |
2503 | 7eb9d8f7 | Guido Trotter | # TODO: we could lock instances (and nodes) only if the user asked for
|
2504 | 7eb9d8f7 | Guido Trotter | # dynamic fields. For that we need atomic ways to get info for a group of
|
2505 | 7eb9d8f7 | Guido Trotter | # instances from the config, though.
|
2506 | 7eb9d8f7 | Guido Trotter | if not self.op.names: |
2507 | 7eb9d8f7 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = None # Acquire all |
2508 | 7eb9d8f7 | Guido Trotter | else:
|
2509 | 7eb9d8f7 | Guido Trotter | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
2510 | 7eb9d8f7 | Guido Trotter | _GetWantedInstances(self, self.op.names) |
2511 | 7eb9d8f7 | Guido Trotter | |
2512 | 7eb9d8f7 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2513 | 7eb9d8f7 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = 'replace' |
2514 | 7eb9d8f7 | Guido Trotter | |
2515 | 7eb9d8f7 | Guido Trotter | def DeclareLocks(self, level): |
2516 | 7eb9d8f7 | Guido Trotter | # TODO: locking of nodes could be avoided when not querying them
|
2517 | 7eb9d8f7 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2518 | 7eb9d8f7 | Guido Trotter | self._LockInstancesNodes()
|
2519 | 7eb9d8f7 | Guido Trotter | |
2520 | 7eb9d8f7 | Guido Trotter | def CheckPrereq(self): |
2521 | 7eb9d8f7 | Guido Trotter | """Check prerequisites.
|
2522 | 7eb9d8f7 | Guido Trotter |
|
2523 | 7eb9d8f7 | Guido Trotter | """
|
2524 | 7eb9d8f7 | Guido Trotter | # This of course is valid only if we locked the instances
|
2525 | 6683bba2 | Guido Trotter | self.wanted = self.acquired_locks[locking.LEVEL_INSTANCE] |
2526 | 069dcc86 | Iustin Pop | |
2527 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2528 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2529 | a8083063 | Iustin Pop |
|
2530 | a8083063 | Iustin Pop | """
|
2531 | 069dcc86 | Iustin Pop | instance_names = self.wanted
|
2532 | a8083063 | Iustin Pop | instance_list = [self.cfg.GetInstanceInfo(iname) for iname |
2533 | a8083063 | Iustin Pop | in instance_names]
|
2534 | a8083063 | Iustin Pop | |
2535 | a8083063 | Iustin Pop | # begin data gathering
|
2536 | a8083063 | Iustin Pop | |
2537 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2538 | a8083063 | Iustin Pop | |
2539 | a8083063 | Iustin Pop | bad_nodes = [] |
2540 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
2541 | a8083063 | Iustin Pop | live_data = {} |
2542 | a8083063 | Iustin Pop | node_data = rpc.call_all_instances_info(nodes) |
2543 | a8083063 | Iustin Pop | for name in nodes: |
2544 | a8083063 | Iustin Pop | result = node_data[name] |
2545 | a8083063 | Iustin Pop | if result:
|
2546 | a8083063 | Iustin Pop | live_data.update(result) |
2547 | a8083063 | Iustin Pop | elif result == False: |
2548 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2549 | a8083063 | Iustin Pop | # else no instance is alive
|
2550 | a8083063 | Iustin Pop | else:
|
2551 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2552 | a8083063 | Iustin Pop | |
2553 | a8083063 | Iustin Pop | # end data gathering
|
2554 | a8083063 | Iustin Pop | |
2555 | a8083063 | Iustin Pop | output = [] |
2556 | a8083063 | Iustin Pop | for instance in instance_list: |
2557 | a8083063 | Iustin Pop | iout = [] |
2558 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2559 | a8083063 | Iustin Pop | if field == "name": |
2560 | a8083063 | Iustin Pop | val = instance.name |
2561 | a8083063 | Iustin Pop | elif field == "os": |
2562 | a8083063 | Iustin Pop | val = instance.os |
2563 | a8083063 | Iustin Pop | elif field == "pnode": |
2564 | a8083063 | Iustin Pop | val = instance.primary_node |
2565 | a8083063 | Iustin Pop | elif field == "snodes": |
2566 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2567 | a8083063 | Iustin Pop | elif field == "admin_state": |
2568 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2569 | a8083063 | Iustin Pop | elif field == "oper_state": |
2570 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2571 | 8a23d2d3 | Iustin Pop | val = None
|
2572 | a8083063 | Iustin Pop | else:
|
2573 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2574 | d8052456 | Iustin Pop | elif field == "status": |
2575 | d8052456 | Iustin Pop | if instance.primary_node in bad_nodes: |
2576 | d8052456 | Iustin Pop | val = "ERROR_nodedown"
|
2577 | d8052456 | Iustin Pop | else:
|
2578 | d8052456 | Iustin Pop | running = bool(live_data.get(instance.name))
|
2579 | d8052456 | Iustin Pop | if running:
|
2580 | d8052456 | Iustin Pop | if instance.status != "down": |
2581 | d8052456 | Iustin Pop | val = "running"
|
2582 | d8052456 | Iustin Pop | else:
|
2583 | d8052456 | Iustin Pop | val = "ERROR_up"
|
2584 | d8052456 | Iustin Pop | else:
|
2585 | d8052456 | Iustin Pop | if instance.status != "down": |
2586 | d8052456 | Iustin Pop | val = "ERROR_down"
|
2587 | d8052456 | Iustin Pop | else:
|
2588 | d8052456 | Iustin Pop | val = "ADMIN_down"
|
2589 | a8083063 | Iustin Pop | elif field == "admin_ram": |
2590 | a8083063 | Iustin Pop | val = instance.memory |
2591 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2592 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2593 | 8a23d2d3 | Iustin Pop | val = None
|
2594 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2595 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2596 | a8083063 | Iustin Pop | else:
|
2597 | a8083063 | Iustin Pop | val = "-"
|
2598 | a8083063 | Iustin Pop | elif field == "disk_template": |
2599 | a8083063 | Iustin Pop | val = instance.disk_template |
2600 | a8083063 | Iustin Pop | elif field == "ip": |
2601 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2602 | a8083063 | Iustin Pop | elif field == "bridge": |
2603 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2604 | a8083063 | Iustin Pop | elif field == "mac": |
2605 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2606 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2607 | 644eeef9 | Iustin Pop | disk = instance.FindDisk(field[:3])
|
2608 | 644eeef9 | Iustin Pop | if disk is None: |
2609 | 8a23d2d3 | Iustin Pop | val = None
|
2610 | 644eeef9 | Iustin Pop | else:
|
2611 | 644eeef9 | Iustin Pop | val = disk.size |
2612 | d6d415e8 | Iustin Pop | elif field == "vcpus": |
2613 | d6d415e8 | Iustin Pop | val = instance.vcpus |
2614 | 130a6a6f | Iustin Pop | elif field == "tags": |
2615 | 130a6a6f | Iustin Pop | val = list(instance.GetTags())
|
2616 | 3fb1e1c5 | Alexander Schreiber | elif field in ("network_port", "kernel_path", "initrd_path", |
2617 | 3fb1e1c5 | Alexander Schreiber | "hvm_boot_order", "hvm_acpi", "hvm_pae", |
2618 | 3fb1e1c5 | Alexander Schreiber | "hvm_cdrom_image_path", "hvm_nic_type", |
2619 | 3fb1e1c5 | Alexander Schreiber | "hvm_disk_type", "vnc_bind_address"): |
2620 | 3fb1e1c5 | Alexander Schreiber | val = getattr(instance, field, None) |
2621 | 3fb1e1c5 | Alexander Schreiber | if val is not None: |
2622 | 3fb1e1c5 | Alexander Schreiber | pass
|
2623 | 3fb1e1c5 | Alexander Schreiber | elif field in ("hvm_nic_type", "hvm_disk_type", |
2624 | 3fb1e1c5 | Alexander Schreiber | "kernel_path", "initrd_path"): |
2625 | 3fb1e1c5 | Alexander Schreiber | val = "default"
|
2626 | 3fb1e1c5 | Alexander Schreiber | else:
|
2627 | 3fb1e1c5 | Alexander Schreiber | val = "-"
|
2628 | a8083063 | Iustin Pop | else:
|
2629 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2630 | a8083063 | Iustin Pop | iout.append(val) |
2631 | a8083063 | Iustin Pop | output.append(iout) |
2632 | a8083063 | Iustin Pop | |
2633 | a8083063 | Iustin Pop | return output
|
2634 | a8083063 | Iustin Pop | |
2635 | a8083063 | Iustin Pop | |
2636 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2637 | a8083063 | Iustin Pop | """Failover an instance.
|
2638 | a8083063 | Iustin Pop |
|
2639 | a8083063 | Iustin Pop | """
|
2640 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2641 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2642 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2643 | c9e5c064 | Guido Trotter | REQ_BGL = False
|
2644 | c9e5c064 | Guido Trotter | |
2645 | c9e5c064 | Guido Trotter | def ExpandNames(self): |
2646 | c9e5c064 | Guido Trotter | self._ExpandAndLockInstance()
|
2647 | c9e5c064 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = []
|
2648 | c9e5c064 | Guido Trotter | self.recalculate_locks[locking.LEVEL_NODE] = 'replace' |
2649 | c9e5c064 | Guido Trotter | |
2650 | c9e5c064 | Guido Trotter | def DeclareLocks(self, level): |
2651 | c9e5c064 | Guido Trotter | if level == locking.LEVEL_NODE:
|
2652 | c9e5c064 | Guido Trotter | self._LockInstancesNodes()
|
2653 | a8083063 | Iustin Pop | |
2654 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2655 | a8083063 | Iustin Pop | """Build hooks env.
|
2656 | a8083063 | Iustin Pop |
|
2657 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2658 | a8083063 | Iustin Pop |
|
2659 | a8083063 | Iustin Pop | """
|
2660 | a8083063 | Iustin Pop | env = { |
2661 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2662 | a8083063 | Iustin Pop | } |
2663 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2664 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode()] + list(self.instance.secondary_nodes) |
2665 | a8083063 | Iustin Pop | return env, nl, nl
|
2666 | a8083063 | Iustin Pop | |
2667 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2668 | a8083063 | Iustin Pop | """Check prerequisites.
|
2669 | a8083063 | Iustin Pop |
|
2670 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2671 | a8083063 | Iustin Pop |
|
2672 | a8083063 | Iustin Pop | """
|
2673 | c9e5c064 | Guido Trotter | self.instance = instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
2674 | c9e5c064 | Guido Trotter | assert self.instance is not None, \ |
2675 | c9e5c064 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
2676 | a8083063 | Iustin Pop | |
2677 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
2678 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2679 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
2680 | 2a710df1 | Michael Hanselmann | |
2681 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2682 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2683 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2684 | abdf0113 | Iustin Pop | "a mirrored disk template")
|
2685 | 2a710df1 | Michael Hanselmann | |
2686 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2687 | d4f16fd9 | Iustin Pop | # check memory requirements on the secondary node
|
2688 | d4f16fd9 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, target_node, "failing over instance %s" % |
2689 | d4f16fd9 | Iustin Pop | instance.name, instance.memory) |
2690 | 3a7c308e | Guido Trotter | |
2691 | a8083063 | Iustin Pop | # check bridge existance
|
2692 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2693 | 50ff9a7a | Iustin Pop | if not rpc.call_bridges_exist(target_node, brlist): |
2694 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2695 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2696 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
2697 | a8083063 | Iustin Pop | |
2698 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2699 | a8083063 | Iustin Pop | """Failover an instance.
|
2700 | a8083063 | Iustin Pop |
|
2701 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
2702 | a8083063 | Iustin Pop | starting it on the secondary.
|
2703 | a8083063 | Iustin Pop |
|
2704 | a8083063 | Iustin Pop | """
|
2705 | a8083063 | Iustin Pop | instance = self.instance
|
2706 | a8083063 | Iustin Pop | |
2707 | a8083063 | Iustin Pop | source_node = instance.primary_node |
2708 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
2709 | a8083063 | Iustin Pop | |
2710 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
2711 | a8083063 | Iustin Pop | for dev in instance.disks: |
2712 | abdf0113 | Iustin Pop | # for drbd, these are drbd over lvm
|
2713 | a8083063 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, target_node, False): |
2714 | a0aaa0d0 | Guido Trotter | if instance.status == "up" and not self.op.ignore_consistency: |
2715 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
2716 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
2717 | a8083063 | Iustin Pop | |
2718 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
2719 | a8083063 | Iustin Pop | logger.Info("Shutting down instance %s on node %s" %
|
2720 | a8083063 | Iustin Pop | (instance.name, source_node)) |
2721 | a8083063 | Iustin Pop | |
2722 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(source_node, instance): |
2723 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
2724 | 24a40d57 | Iustin Pop | logger.Error("Could not shutdown instance %s on node %s. Proceeding"
|
2725 | 24a40d57 | Iustin Pop | " anyway. Please make sure node %s is down" %
|
2726 | 24a40d57 | Iustin Pop | (instance.name, source_node, source_node)) |
2727 | 24a40d57 | Iustin Pop | else:
|
2728 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2729 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
2730 | a8083063 | Iustin Pop | |
2731 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
2732 | a8083063 | Iustin Pop | if not _ShutdownInstanceDisks(instance, self.cfg, ignore_primary=True): |
2733 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
2734 | a8083063 | Iustin Pop | |
2735 | a8083063 | Iustin Pop | instance.primary_node = target_node |
2736 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
2737 | b6102dab | Guido Trotter | self.cfg.Update(instance)
|
2738 | a8083063 | Iustin Pop | |
2739 | 12a0cfbe | Guido Trotter | # Only start the instance if it's marked as up
|
2740 | 12a0cfbe | Guido Trotter | if instance.status == "up": |
2741 | 12a0cfbe | Guido Trotter | feedback_fn("* activating the instance's disks on target node")
|
2742 | 12a0cfbe | Guido Trotter | logger.Info("Starting instance %s on node %s" %
|
2743 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
2744 | 12a0cfbe | Guido Trotter | |
2745 | 12a0cfbe | Guido Trotter | disks_ok, dummy = _AssembleInstanceDisks(instance, self.cfg,
|
2746 | 12a0cfbe | Guido Trotter | ignore_secondaries=True)
|
2747 | 12a0cfbe | Guido Trotter | if not disks_ok: |
2748 | 12a0cfbe | Guido Trotter | _ShutdownInstanceDisks(instance, self.cfg)
|
2749 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Can't activate the instance's disks") |
2750 | a8083063 | Iustin Pop | |
2751 | 12a0cfbe | Guido Trotter | feedback_fn("* starting the instance on the target node")
|
2752 | 12a0cfbe | Guido Trotter | if not rpc.call_instance_start(target_node, instance, None): |
2753 | 12a0cfbe | Guido Trotter | _ShutdownInstanceDisks(instance, self.cfg)
|
2754 | 12a0cfbe | Guido Trotter | raise errors.OpExecError("Could not start instance %s on node %s." % |
2755 | 12a0cfbe | Guido Trotter | (instance.name, target_node)) |
2756 | a8083063 | Iustin Pop | |
2757 | a8083063 | Iustin Pop | |
2758 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnPrimary(cfg, node, instance, device, info): |
2759 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
2760 | a8083063 | Iustin Pop |
|
2761 | a8083063 | Iustin Pop | This always creates all devices.
|
2762 | a8083063 | Iustin Pop |
|
2763 | a8083063 | Iustin Pop | """
|
2764 | a8083063 | Iustin Pop | if device.children:
|
2765 | a8083063 | Iustin Pop | for child in device.children: |
2766 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, node, instance, child, info): |
2767 | a8083063 | Iustin Pop | return False |
2768 | a8083063 | Iustin Pop | |
2769 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2770 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2771 | 3f78eef2 | Iustin Pop | instance.name, True, info)
|
2772 | a8083063 | Iustin Pop | if not new_id: |
2773 | a8083063 | Iustin Pop | return False |
2774 | a8083063 | Iustin Pop | if device.physical_id is None: |
2775 | a8083063 | Iustin Pop | device.physical_id = new_id |
2776 | a8083063 | Iustin Pop | return True |
2777 | a8083063 | Iustin Pop | |
2778 | a8083063 | Iustin Pop | |
2779 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnSecondary(cfg, node, instance, device, force, info): |
2780 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
2781 | a8083063 | Iustin Pop |
|
2782 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
2783 | a8083063 | Iustin Pop | all its children.
|
2784 | a8083063 | Iustin Pop |
|
2785 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
2786 | a8083063 | Iustin Pop |
|
2787 | a8083063 | Iustin Pop | """
|
2788 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
2789 | a8083063 | Iustin Pop | force = True
|
2790 | a8083063 | Iustin Pop | if device.children:
|
2791 | a8083063 | Iustin Pop | for child in device.children: |
2792 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, node, instance, |
2793 | 3f78eef2 | Iustin Pop | child, force, info): |
2794 | a8083063 | Iustin Pop | return False |
2795 | a8083063 | Iustin Pop | |
2796 | a8083063 | Iustin Pop | if not force: |
2797 | a8083063 | Iustin Pop | return True |
2798 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2799 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2800 | 3f78eef2 | Iustin Pop | instance.name, False, info)
|
2801 | a8083063 | Iustin Pop | if not new_id: |
2802 | a8083063 | Iustin Pop | return False |
2803 | a8083063 | Iustin Pop | if device.physical_id is None: |
2804 | a8083063 | Iustin Pop | device.physical_id = new_id |
2805 | a8083063 | Iustin Pop | return True |
2806 | a8083063 | Iustin Pop | |
2807 | a8083063 | Iustin Pop | |
2808 | 923b1523 | Iustin Pop | def _GenerateUniqueNames(cfg, exts): |
2809 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
2810 | 923b1523 | Iustin Pop |
|
2811 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
2812 | 923b1523 | Iustin Pop |
|
2813 | 923b1523 | Iustin Pop | """
|
2814 | 923b1523 | Iustin Pop | results = [] |
2815 | 923b1523 | Iustin Pop | for val in exts: |
2816 | 923b1523 | Iustin Pop | new_id = cfg.GenerateUniqueID() |
2817 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
2818 | 923b1523 | Iustin Pop | return results
|
2819 | 923b1523 | Iustin Pop | |
2820 | 923b1523 | Iustin Pop | |
2821 | a1f445d3 | Iustin Pop | def _GenerateDRBD8Branch(cfg, primary, secondary, size, names, iv_name): |
2822 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
2823 | a1f445d3 | Iustin Pop |
|
2824 | a1f445d3 | Iustin Pop | """
|
2825 | a1f445d3 | Iustin Pop | port = cfg.AllocatePort() |
2826 | a1f445d3 | Iustin Pop | vgname = cfg.GetVGName() |
2827 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2828 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
2829 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2830 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
2831 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
2832 | a1f445d3 | Iustin Pop | logical_id = (primary, secondary, port), |
2833 | a1f445d3 | Iustin Pop | children = [dev_data, dev_meta], |
2834 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
2835 | a1f445d3 | Iustin Pop | return drbd_dev
|
2836 | a1f445d3 | Iustin Pop | |
2837 | 7c0d6283 | Michael Hanselmann | |
2838 | 923b1523 | Iustin Pop | def _GenerateDiskTemplate(cfg, template_name, |
2839 | a8083063 | Iustin Pop | instance_name, primary_node, |
2840 | 0f1a06e3 | Manuel Franceschini | secondary_nodes, disk_sz, swap_sz, |
2841 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, file_driver): |
2842 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
2843 | a8083063 | Iustin Pop |
|
2844 | a8083063 | Iustin Pop | """
|
2845 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
2846 | a8083063 | Iustin Pop | |
2847 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2848 | 3517d9b9 | Manuel Franceschini | if template_name == constants.DT_DISKLESS:
|
2849 | a8083063 | Iustin Pop | disks = [] |
2850 | 3517d9b9 | Manuel Franceschini | elif template_name == constants.DT_PLAIN:
|
2851 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2852 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2853 | 923b1523 | Iustin Pop | |
2854 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda", ".sdb"]) |
2855 | fe96220b | Iustin Pop | sda_dev = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2856 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]),
|
2857 | a8083063 | Iustin Pop | iv_name = "sda")
|
2858 | fe96220b | Iustin Pop | sdb_dev = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2859 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]),
|
2860 | a8083063 | Iustin Pop | iv_name = "sdb")
|
2861 | a8083063 | Iustin Pop | disks = [sda_dev, sdb_dev] |
2862 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
2863 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
2864 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2865 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
2866 | a1f445d3 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2867 | a1f445d3 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2868 | a1f445d3 | Iustin Pop | drbd_sda_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2869 | a1f445d3 | Iustin Pop | disk_sz, names[0:2], "sda") |
2870 | a1f445d3 | Iustin Pop | drbd_sdb_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2871 | a1f445d3 | Iustin Pop | swap_sz, names[2:4], "sdb") |
2872 | a1f445d3 | Iustin Pop | disks = [drbd_sda_dev, drbd_sdb_dev] |
2873 | 0f1a06e3 | Manuel Franceschini | elif template_name == constants.DT_FILE:
|
2874 | 0f1a06e3 | Manuel Franceschini | if len(secondary_nodes) != 0: |
2875 | 0f1a06e3 | Manuel Franceschini | raise errors.ProgrammerError("Wrong template configuration") |
2876 | 0f1a06e3 | Manuel Franceschini | |
2877 | 0f1a06e3 | Manuel Franceschini | file_sda_dev = objects.Disk(dev_type=constants.LD_FILE, size=disk_sz, |
2878 | 0f1a06e3 | Manuel Franceschini | iv_name="sda", logical_id=(file_driver,
|
2879 | 0f1a06e3 | Manuel Franceschini | "%s/sda" % file_storage_dir))
|
2880 | 0f1a06e3 | Manuel Franceschini | file_sdb_dev = objects.Disk(dev_type=constants.LD_FILE, size=swap_sz, |
2881 | 0f1a06e3 | Manuel Franceschini | iv_name="sdb", logical_id=(file_driver,
|
2882 | 0f1a06e3 | Manuel Franceschini | "%s/sdb" % file_storage_dir))
|
2883 | 0f1a06e3 | Manuel Franceschini | disks = [file_sda_dev, file_sdb_dev] |
2884 | a8083063 | Iustin Pop | else:
|
2885 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
2886 | a8083063 | Iustin Pop | return disks
|
2887 | a8083063 | Iustin Pop | |
2888 | a8083063 | Iustin Pop | |
2889 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
2890 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
2891 | 3ecf6786 | Iustin Pop |
|
2892 | 3ecf6786 | Iustin Pop | """
|
2893 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
2894 | a0c3fea1 | Michael Hanselmann | |
2895 | a0c3fea1 | Michael Hanselmann | |
2896 | a8083063 | Iustin Pop | def _CreateDisks(cfg, instance): |
2897 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
2898 | a8083063 | Iustin Pop |
|
2899 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
2900 | a8083063 | Iustin Pop |
|
2901 | a8083063 | Iustin Pop | Args:
|
2902 | a8083063 | Iustin Pop | instance: the instance object
|
2903 | a8083063 | Iustin Pop |
|
2904 | a8083063 | Iustin Pop | Returns:
|
2905 | a8083063 | Iustin Pop | True or False showing the success of the creation process
|
2906 | a8083063 | Iustin Pop |
|
2907 | a8083063 | Iustin Pop | """
|
2908 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
2909 | a0c3fea1 | Michael Hanselmann | |
2910 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
2911 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
2912 | 0f1a06e3 | Manuel Franceschini | result = rpc.call_file_storage_dir_create(instance.primary_node, |
2913 | 0f1a06e3 | Manuel Franceschini | file_storage_dir) |
2914 | 0f1a06e3 | Manuel Franceschini | |
2915 | 0f1a06e3 | Manuel Franceschini | if not result: |
2916 | b62ddbe5 | Guido Trotter | logger.Error("Could not connect to node '%s'" % instance.primary_node)
|
2917 | 0f1a06e3 | Manuel Franceschini | return False |
2918 | 0f1a06e3 | Manuel Franceschini | |
2919 | 0f1a06e3 | Manuel Franceschini | if not result[0]: |
2920 | 0f1a06e3 | Manuel Franceschini | logger.Error("failed to create directory '%s'" % file_storage_dir)
|
2921 | 0f1a06e3 | Manuel Franceschini | return False |
2922 | 0f1a06e3 | Manuel Franceschini | |
2923 | a8083063 | Iustin Pop | for device in instance.disks: |
2924 | a8083063 | Iustin Pop | logger.Info("creating volume %s for instance %s" %
|
2925 | 1c6e3627 | Manuel Franceschini | (device.iv_name, instance.name)) |
2926 | a8083063 | Iustin Pop | #HARDCODE
|
2927 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
2928 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, secondary_node, instance, |
2929 | 3f78eef2 | Iustin Pop | device, False, info):
|
2930 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s (%s) on secondary node %s!" %
|
2931 | a8083063 | Iustin Pop | (device.iv_name, device, secondary_node)) |
2932 | a8083063 | Iustin Pop | return False |
2933 | a8083063 | Iustin Pop | #HARDCODE
|
2934 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, |
2935 | 3f78eef2 | Iustin Pop | instance, device, info): |
2936 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s on primary!" %
|
2937 | a8083063 | Iustin Pop | device.iv_name) |
2938 | a8083063 | Iustin Pop | return False |
2939 | 1c6e3627 | Manuel Franceschini | |
2940 | a8083063 | Iustin Pop | return True |
2941 | a8083063 | Iustin Pop | |
2942 | a8083063 | Iustin Pop | |
2943 | a8083063 | Iustin Pop | def _RemoveDisks(instance, cfg): |
2944 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
2945 | a8083063 | Iustin Pop |
|
2946 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
2947 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
2948 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
2949 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
2950 | a8083063 | Iustin Pop |
|
2951 | a8083063 | Iustin Pop | Args:
|
2952 | a8083063 | Iustin Pop | instance: the instance object
|
2953 | a8083063 | Iustin Pop |
|
2954 | a8083063 | Iustin Pop | Returns:
|
2955 | a8083063 | Iustin Pop | True or False showing the success of the removal proces
|
2956 | a8083063 | Iustin Pop |
|
2957 | a8083063 | Iustin Pop | """
|
2958 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2959 | a8083063 | Iustin Pop | |
2960 | a8083063 | Iustin Pop | result = True
|
2961 | a8083063 | Iustin Pop | for device in instance.disks: |
2962 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
2963 | a8083063 | Iustin Pop | cfg.SetDiskID(disk, node) |
2964 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, disk): |
2965 | a8083063 | Iustin Pop | logger.Error("could not remove block device %s on node %s,"
|
2966 | a8083063 | Iustin Pop | " continuing anyway" %
|
2967 | a8083063 | Iustin Pop | (device.iv_name, node)) |
2968 | a8083063 | Iustin Pop | result = False
|
2969 | 0f1a06e3 | Manuel Franceschini | |
2970 | 0f1a06e3 | Manuel Franceschini | if instance.disk_template == constants.DT_FILE:
|
2971 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.dirname(instance.disks[0].logical_id[1]) |
2972 | 0f1a06e3 | Manuel Franceschini | if not rpc.call_file_storage_dir_remove(instance.primary_node, |
2973 | 0f1a06e3 | Manuel Franceschini | file_storage_dir): |
2974 | 0f1a06e3 | Manuel Franceschini | logger.Error("could not remove directory '%s'" % file_storage_dir)
|
2975 | 0f1a06e3 | Manuel Franceschini | result = False
|
2976 | 0f1a06e3 | Manuel Franceschini | |
2977 | a8083063 | Iustin Pop | return result
|
2978 | a8083063 | Iustin Pop | |
2979 | a8083063 | Iustin Pop | |
2980 | e2fe6369 | Iustin Pop | def _ComputeDiskSize(disk_template, disk_size, swap_size): |
2981 | e2fe6369 | Iustin Pop | """Compute disk size requirements in the volume group
|
2982 | e2fe6369 | Iustin Pop |
|
2983 | e2fe6369 | Iustin Pop | This is currently hard-coded for the two-drive layout.
|
2984 | e2fe6369 | Iustin Pop |
|
2985 | e2fe6369 | Iustin Pop | """
|
2986 | e2fe6369 | Iustin Pop | # Required free disk space as a function of disk and swap space
|
2987 | e2fe6369 | Iustin Pop | req_size_dict = { |
2988 | e2fe6369 | Iustin Pop | constants.DT_DISKLESS: None,
|
2989 | e2fe6369 | Iustin Pop | constants.DT_PLAIN: disk_size + swap_size, |
2990 | e2fe6369 | Iustin Pop | # 256 MB are added for drbd metadata, 128MB for each drbd device
|
2991 | e2fe6369 | Iustin Pop | constants.DT_DRBD8: disk_size + swap_size + 256,
|
2992 | e2fe6369 | Iustin Pop | constants.DT_FILE: None,
|
2993 | e2fe6369 | Iustin Pop | } |
2994 | e2fe6369 | Iustin Pop | |
2995 | e2fe6369 | Iustin Pop | if disk_template not in req_size_dict: |
2996 | e2fe6369 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
2997 | e2fe6369 | Iustin Pop | " is unknown" % disk_template)
|
2998 | e2fe6369 | Iustin Pop | |
2999 | e2fe6369 | Iustin Pop | return req_size_dict[disk_template]
|
3000 | e2fe6369 | Iustin Pop | |
3001 | e2fe6369 | Iustin Pop | |
3002 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
3003 | a8083063 | Iustin Pop | """Create an instance.
|
3004 | a8083063 | Iustin Pop |
|
3005 | a8083063 | Iustin Pop | """
|
3006 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
3007 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3008 | 538475ca | Iustin Pop | _OP_REQP = ["instance_name", "mem_size", "disk_size", |
3009 | a8083063 | Iustin Pop | "disk_template", "swap_size", "mode", "start", "vcpus", |
3010 | 1862d460 | Alexander Schreiber | "wait_for_sync", "ip_check", "mac"] |
3011 | a8083063 | Iustin Pop | |
3012 | 538475ca | Iustin Pop | def _RunAllocator(self): |
3013 | 538475ca | Iustin Pop | """Run the allocator based on input opcode.
|
3014 | 538475ca | Iustin Pop |
|
3015 | 538475ca | Iustin Pop | """
|
3016 | 538475ca | Iustin Pop | disks = [{"size": self.op.disk_size, "mode": "w"}, |
3017 | 538475ca | Iustin Pop | {"size": self.op.swap_size, "mode": "w"}] |
3018 | 538475ca | Iustin Pop | nics = [{"mac": self.op.mac, "ip": getattr(self.op, "ip", None), |
3019 | 538475ca | Iustin Pop | "bridge": self.op.bridge}] |
3020 | d1c2dd75 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
3021 | 29859cb7 | Iustin Pop | mode=constants.IALLOCATOR_MODE_ALLOC, |
3022 | d1c2dd75 | Iustin Pop | name=self.op.instance_name,
|
3023 | d1c2dd75 | Iustin Pop | disk_template=self.op.disk_template,
|
3024 | d1c2dd75 | Iustin Pop | tags=[], |
3025 | d1c2dd75 | Iustin Pop | os=self.op.os_type,
|
3026 | d1c2dd75 | Iustin Pop | vcpus=self.op.vcpus,
|
3027 | d1c2dd75 | Iustin Pop | mem_size=self.op.mem_size,
|
3028 | d1c2dd75 | Iustin Pop | disks=disks, |
3029 | d1c2dd75 | Iustin Pop | nics=nics, |
3030 | 29859cb7 | Iustin Pop | ) |
3031 | d1c2dd75 | Iustin Pop | |
3032 | d1c2dd75 | Iustin Pop | ial.Run(self.op.iallocator)
|
3033 | d1c2dd75 | Iustin Pop | |
3034 | d1c2dd75 | Iustin Pop | if not ial.success: |
3035 | 538475ca | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3036 | 538475ca | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3037 | d1c2dd75 | Iustin Pop | ial.info)) |
3038 | 27579978 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3039 | 538475ca | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3040 | 538475ca | Iustin Pop | " of nodes (%s), required %s" %
|
3041 | 27579978 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
3042 | d1c2dd75 | Iustin Pop | self.op.pnode = ial.nodes[0] |
3043 | 538475ca | Iustin Pop | logger.ToStdout("Selected nodes for the instance: %s" %
|
3044 | d1c2dd75 | Iustin Pop | (", ".join(ial.nodes),))
|
3045 | 538475ca | Iustin Pop | logger.Info("Selected nodes for instance %s via iallocator %s: %s" %
|
3046 | d1c2dd75 | Iustin Pop | (self.op.instance_name, self.op.iallocator, ial.nodes)) |
3047 | 27579978 | Iustin Pop | if ial.required_nodes == 2: |
3048 | d1c2dd75 | Iustin Pop | self.op.snode = ial.nodes[1] |
3049 | 538475ca | Iustin Pop | |
3050 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3051 | a8083063 | Iustin Pop | """Build hooks env.
|
3052 | a8083063 | Iustin Pop |
|
3053 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
3054 | a8083063 | Iustin Pop |
|
3055 | a8083063 | Iustin Pop | """
|
3056 | a8083063 | Iustin Pop | env = { |
3057 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
3058 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_SIZE": self.op.disk_size, |
3059 | 396e1b78 | Michael Hanselmann | "INSTANCE_SWAP_SIZE": self.op.swap_size, |
3060 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
3061 | a8083063 | Iustin Pop | } |
3062 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3063 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
3064 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
3065 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_IMAGE"] = self.src_image |
3066 | 396e1b78 | Michael Hanselmann | |
3067 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
3068 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
3069 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
3070 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
3071 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
3072 | 396e1b78 | Michael Hanselmann | memory=self.op.mem_size,
|
3073 | 396e1b78 | Michael Hanselmann | vcpus=self.op.vcpus,
|
3074 | c7b27e9e | Iustin Pop | nics=[(self.inst_ip, self.op.bridge, self.op.mac)], |
3075 | 396e1b78 | Michael Hanselmann | )) |
3076 | a8083063 | Iustin Pop | |
3077 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.op.pnode] + |
3078 | a8083063 | Iustin Pop | self.secondaries)
|
3079 | a8083063 | Iustin Pop | return env, nl, nl
|
3080 | a8083063 | Iustin Pop | |
3081 | a8083063 | Iustin Pop | |
3082 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3083 | a8083063 | Iustin Pop | """Check prerequisites.
|
3084 | a8083063 | Iustin Pop |
|
3085 | a8083063 | Iustin Pop | """
|
3086 | 538475ca | Iustin Pop | # set optional parameters to none if they don't exist
|
3087 | 538475ca | Iustin Pop | for attr in ["kernel_path", "initrd_path", "hvm_boot_order", "pnode", |
3088 | 31a853d2 | Iustin Pop | "iallocator", "hvm_acpi", "hvm_pae", "hvm_cdrom_image_path", |
3089 | 5397e0b7 | Alexander Schreiber | "hvm_nic_type", "hvm_disk_type", "vnc_bind_address"]: |
3090 | 40ed12dd | Guido Trotter | if not hasattr(self.op, attr): |
3091 | 40ed12dd | Guido Trotter | setattr(self.op, attr, None) |
3092 | 40ed12dd | Guido Trotter | |
3093 | a8083063 | Iustin Pop | if self.op.mode not in (constants.INSTANCE_CREATE, |
3094 | a8083063 | Iustin Pop | constants.INSTANCE_IMPORT): |
3095 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
3096 | 3ecf6786 | Iustin Pop | self.op.mode)
|
3097 | a8083063 | Iustin Pop | |
3098 | eedc99de | Manuel Franceschini | if (not self.cfg.GetVGName() and |
3099 | eedc99de | Manuel Franceschini | self.op.disk_template not in constants.DTS_NOT_LVM): |
3100 | eedc99de | Manuel Franceschini | raise errors.OpPrereqError("Cluster does not support lvm-based" |
3101 | eedc99de | Manuel Franceschini | " instances")
|
3102 | eedc99de | Manuel Franceschini | |
3103 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
3104 | a8083063 | Iustin Pop | src_node = getattr(self.op, "src_node", None) |
3105 | a8083063 | Iustin Pop | src_path = getattr(self.op, "src_path", None) |
3106 | a8083063 | Iustin Pop | if src_node is None or src_path is None: |
3107 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Importing an instance requires source" |
3108 | 3ecf6786 | Iustin Pop | " node and path options")
|
3109 | a8083063 | Iustin Pop | src_node_full = self.cfg.ExpandNodeName(src_node)
|
3110 | a8083063 | Iustin Pop | if src_node_full is None: |
3111 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown source node '%s'" % src_node) |
3112 | a8083063 | Iustin Pop | self.op.src_node = src_node = src_node_full
|
3113 | a8083063 | Iustin Pop | |
3114 | a8083063 | Iustin Pop | if not os.path.isabs(src_path): |
3115 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The source path must be absolute") |
3116 | a8083063 | Iustin Pop | |
3117 | a8083063 | Iustin Pop | export_info = rpc.call_export_info(src_node, src_path) |
3118 | a8083063 | Iustin Pop | |
3119 | a8083063 | Iustin Pop | if not export_info: |
3120 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
3121 | a8083063 | Iustin Pop | |
3122 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
3123 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
3124 | a8083063 | Iustin Pop | |
3125 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
3126 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
3127 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
3128 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
3129 | a8083063 | Iustin Pop | |
3130 | a8083063 | Iustin Pop | if int(export_info.get(constants.INISECT_INS, 'disk_count')) > 1: |
3131 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't import instance with more than" |
3132 | 3ecf6786 | Iustin Pop | " one data disk")
|
3133 | a8083063 | Iustin Pop | |
3134 | a8083063 | Iustin Pop | # FIXME: are the old os-es, disk sizes, etc. useful?
|
3135 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
3136 | a8083063 | Iustin Pop | diskimage = os.path.join(src_path, export_info.get(constants.INISECT_INS, |
3137 | a8083063 | Iustin Pop | 'disk0_dump'))
|
3138 | a8083063 | Iustin Pop | self.src_image = diskimage
|
3139 | a8083063 | Iustin Pop | else: # INSTANCE_CREATE |
3140 | a8083063 | Iustin Pop | if getattr(self.op, "os_type", None) is None: |
3141 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No guest OS specified") |
3142 | a8083063 | Iustin Pop | |
3143 | 901a65c1 | Iustin Pop | #### instance parameters check
|
3144 | 901a65c1 | Iustin Pop | |
3145 | a8083063 | Iustin Pop | # disk template and mirror node verification
|
3146 | a8083063 | Iustin Pop | if self.op.disk_template not in constants.DISK_TEMPLATES: |
3147 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid disk template name") |
3148 | a8083063 | Iustin Pop | |
3149 | 901a65c1 | Iustin Pop | # instance name verification
|
3150 | 901a65c1 | Iustin Pop | hostname1 = utils.HostInfo(self.op.instance_name)
|
3151 | 901a65c1 | Iustin Pop | |
3152 | 901a65c1 | Iustin Pop | self.op.instance_name = instance_name = hostname1.name
|
3153 | 901a65c1 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
3154 | 901a65c1 | Iustin Pop | if instance_name in instance_list: |
3155 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
3156 | 901a65c1 | Iustin Pop | instance_name) |
3157 | 901a65c1 | Iustin Pop | |
3158 | 901a65c1 | Iustin Pop | # ip validity checks
|
3159 | 901a65c1 | Iustin Pop | ip = getattr(self.op, "ip", None) |
3160 | 901a65c1 | Iustin Pop | if ip is None or ip.lower() == "none": |
3161 | 901a65c1 | Iustin Pop | inst_ip = None
|
3162 | 901a65c1 | Iustin Pop | elif ip.lower() == "auto": |
3163 | 901a65c1 | Iustin Pop | inst_ip = hostname1.ip |
3164 | 901a65c1 | Iustin Pop | else:
|
3165 | 901a65c1 | Iustin Pop | if not utils.IsValidIP(ip): |
3166 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("given IP address '%s' doesn't look" |
3167 | 901a65c1 | Iustin Pop | " like a valid IP" % ip)
|
3168 | 901a65c1 | Iustin Pop | inst_ip = ip |
3169 | 901a65c1 | Iustin Pop | self.inst_ip = self.op.ip = inst_ip |
3170 | 901a65c1 | Iustin Pop | |
3171 | 901a65c1 | Iustin Pop | if self.op.start and not self.op.ip_check: |
3172 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
3173 | 901a65c1 | Iustin Pop | " adding an instance in start mode")
|
3174 | 901a65c1 | Iustin Pop | |
3175 | 901a65c1 | Iustin Pop | if self.op.ip_check: |
3176 | 901a65c1 | Iustin Pop | if utils.TcpPing(hostname1.ip, constants.DEFAULT_NODED_PORT):
|
3177 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3178 | 901a65c1 | Iustin Pop | (hostname1.ip, instance_name)) |
3179 | 901a65c1 | Iustin Pop | |
3180 | 901a65c1 | Iustin Pop | # MAC address verification
|
3181 | 901a65c1 | Iustin Pop | if self.op.mac != "auto": |
3182 | 901a65c1 | Iustin Pop | if not utils.IsValidMac(self.op.mac.lower()): |
3183 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("invalid MAC address specified: %s" % |
3184 | 901a65c1 | Iustin Pop | self.op.mac)
|
3185 | 901a65c1 | Iustin Pop | |
3186 | 901a65c1 | Iustin Pop | # bridge verification
|
3187 | 901a65c1 | Iustin Pop | bridge = getattr(self.op, "bridge", None) |
3188 | 901a65c1 | Iustin Pop | if bridge is None: |
3189 | 901a65c1 | Iustin Pop | self.op.bridge = self.cfg.GetDefBridge() |
3190 | 901a65c1 | Iustin Pop | else:
|
3191 | 901a65c1 | Iustin Pop | self.op.bridge = bridge
|
3192 | 901a65c1 | Iustin Pop | |
3193 | 901a65c1 | Iustin Pop | # boot order verification
|
3194 | 901a65c1 | Iustin Pop | if self.op.hvm_boot_order is not None: |
3195 | 901a65c1 | Iustin Pop | if len(self.op.hvm_boot_order.strip("acdn")) != 0: |
3196 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("invalid boot order specified," |
3197 | 901a65c1 | Iustin Pop | " must be one or more of [acdn]")
|
3198 | 901a65c1 | Iustin Pop | # file storage checks
|
3199 | 0f1a06e3 | Manuel Franceschini | if (self.op.file_driver and |
3200 | 0f1a06e3 | Manuel Franceschini | not self.op.file_driver in constants.FILE_DRIVER): |
3201 | 0f1a06e3 | Manuel Franceschini | raise errors.OpPrereqError("Invalid file driver name '%s'" % |
3202 | 0f1a06e3 | Manuel Franceschini | self.op.file_driver)
|
3203 | 0f1a06e3 | Manuel Franceschini | |
3204 | 0f1a06e3 | Manuel Franceschini | if self.op.file_storage_dir and os.path.isabs(self.op.file_storage_dir): |
3205 | b4de68a9 | Iustin Pop | raise errors.OpPrereqError("File storage directory not a relative" |
3206 | b4de68a9 | Iustin Pop | " path")
|
3207 | 538475ca | Iustin Pop | #### allocator run
|
3208 | 538475ca | Iustin Pop | |
3209 | 538475ca | Iustin Pop | if [self.op.iallocator, self.op.pnode].count(None) != 1: |
3210 | 538475ca | Iustin Pop | raise errors.OpPrereqError("One and only one of iallocator and primary" |
3211 | 538475ca | Iustin Pop | " node must be given")
|
3212 | 538475ca | Iustin Pop | |
3213 | 538475ca | Iustin Pop | if self.op.iallocator is not None: |
3214 | 538475ca | Iustin Pop | self._RunAllocator()
|
3215 | 0f1a06e3 | Manuel Franceschini | |
3216 | 901a65c1 | Iustin Pop | #### node related checks
|
3217 | 901a65c1 | Iustin Pop | |
3218 | 901a65c1 | Iustin Pop | # check primary node
|
3219 | 901a65c1 | Iustin Pop | pnode = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.pnode)) |
3220 | 901a65c1 | Iustin Pop | if pnode is None: |
3221 | 901a65c1 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
3222 | 901a65c1 | Iustin Pop | self.op.pnode)
|
3223 | 901a65c1 | Iustin Pop | self.op.pnode = pnode.name
|
3224 | 901a65c1 | Iustin Pop | self.pnode = pnode
|
3225 | 901a65c1 | Iustin Pop | self.secondaries = []
|
3226 | 901a65c1 | Iustin Pop | |
3227 | 901a65c1 | Iustin Pop | # mirror node verification
|
3228 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
3229 | a8083063 | Iustin Pop | if getattr(self.op, "snode", None) is None: |
3230 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
3231 | 3ecf6786 | Iustin Pop | " a mirror node")
|
3232 | a8083063 | Iustin Pop | |
3233 | a8083063 | Iustin Pop | snode_name = self.cfg.ExpandNodeName(self.op.snode) |
3234 | a8083063 | Iustin Pop | if snode_name is None: |
3235 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown secondary node '%s'" % |
3236 | 3ecf6786 | Iustin Pop | self.op.snode)
|
3237 | a8083063 | Iustin Pop | elif snode_name == pnode.name:
|
3238 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
3239 | 3ecf6786 | Iustin Pop | " the primary node.")
|
3240 | a8083063 | Iustin Pop | self.secondaries.append(snode_name)
|
3241 | a8083063 | Iustin Pop | |
3242 | e2fe6369 | Iustin Pop | req_size = _ComputeDiskSize(self.op.disk_template,
|
3243 | e2fe6369 | Iustin Pop | self.op.disk_size, self.op.swap_size) |
3244 | ed1ebc60 | Guido Trotter | |
3245 | 8d75db10 | Iustin Pop | # Check lv size requirements
|
3246 | 8d75db10 | Iustin Pop | if req_size is not None: |
3247 | 8d75db10 | Iustin Pop | nodenames = [pnode.name] + self.secondaries
|
3248 | 8d75db10 | Iustin Pop | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
3249 | 8d75db10 | Iustin Pop | for node in nodenames: |
3250 | 8d75db10 | Iustin Pop | info = nodeinfo.get(node, None)
|
3251 | 8d75db10 | Iustin Pop | if not info: |
3252 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
3253 | 3e91897b | Iustin Pop | " from node '%s'" % node)
|
3254 | 8d75db10 | Iustin Pop | vg_free = info.get('vg_free', None) |
3255 | 8d75db10 | Iustin Pop | if not isinstance(vg_free, int): |
3256 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
3257 | 8d75db10 | Iustin Pop | " node %s" % node)
|
3258 | 8d75db10 | Iustin Pop | if req_size > info['vg_free']: |
3259 | 8d75db10 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
3260 | 8d75db10 | Iustin Pop | " %d MB available, %d MB required" %
|
3261 | 8d75db10 | Iustin Pop | (node, info['vg_free'], req_size))
|
3262 | ed1ebc60 | Guido Trotter | |
3263 | a8083063 | Iustin Pop | # os verification
|
3264 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
3265 | dfa96ded | Guido Trotter | if not os_obj: |
3266 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
3267 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
3268 | a8083063 | Iustin Pop | |
3269 | 3b6d8c9b | Iustin Pop | if self.op.kernel_path == constants.VALUE_NONE: |
3270 | 3b6d8c9b | Iustin Pop | raise errors.OpPrereqError("Can't set instance kernel to none") |
3271 | 3b6d8c9b | Iustin Pop | |
3272 | a8083063 | Iustin Pop | |
3273 | 901a65c1 | Iustin Pop | # bridge check on primary node
|
3274 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(self.pnode.name, [self.op.bridge]): |
3275 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("target bridge '%s' does not exist on" |
3276 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
3277 | 3ecf6786 | Iustin Pop | (self.op.bridge, pnode.name))
|
3278 | a8083063 | Iustin Pop | |
3279 | 49ce1563 | Iustin Pop | # memory check on primary node
|
3280 | 49ce1563 | Iustin Pop | if self.op.start: |
3281 | 49ce1563 | Iustin Pop | _CheckNodeFreeMemory(self.cfg, self.pnode.name, |
3282 | 49ce1563 | Iustin Pop | "creating instance %s" % self.op.instance_name, |
3283 | 49ce1563 | Iustin Pop | self.op.mem_size)
|
3284 | 49ce1563 | Iustin Pop | |
3285 | 31a853d2 | Iustin Pop | # hvm_cdrom_image_path verification
|
3286 | 31a853d2 | Iustin Pop | if self.op.hvm_cdrom_image_path is not None: |
3287 | 31a853d2 | Iustin Pop | if not os.path.isabs(self.op.hvm_cdrom_image_path): |
3288 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The path to the HVM CDROM image must" |
3289 | 31a853d2 | Iustin Pop | " be an absolute path or None, not %s" %
|
3290 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
3291 | 31a853d2 | Iustin Pop | if not os.path.isfile(self.op.hvm_cdrom_image_path): |
3292 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The HVM CDROM image must either be a" |
3293 | 31a853d2 | Iustin Pop | " regular file or a symlink pointing to"
|
3294 | 31a853d2 | Iustin Pop | " an existing regular file, not %s" %
|
3295 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
3296 | 31a853d2 | Iustin Pop | |
3297 | 31a853d2 | Iustin Pop | # vnc_bind_address verification
|
3298 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is not None: |
3299 | 31a853d2 | Iustin Pop | if not utils.IsValidIP(self.op.vnc_bind_address): |
3300 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("given VNC bind address '%s' doesn't look" |
3301 | 31a853d2 | Iustin Pop | " like a valid IP address" %
|
3302 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address)
|
3303 | 31a853d2 | Iustin Pop | |
3304 | 5397e0b7 | Alexander Schreiber | # Xen HVM device type checks
|
3305 | 5397e0b7 | Alexander Schreiber | if self.sstore.GetHypervisorType() == constants.HT_XEN_HVM31: |
3306 | 5397e0b7 | Alexander Schreiber | if self.op.hvm_nic_type not in constants.HT_HVM_VALID_NIC_TYPES: |
3307 | 5397e0b7 | Alexander Schreiber | raise errors.OpPrereqError("Invalid NIC type %s specified for Xen HVM" |
3308 | 5397e0b7 | Alexander Schreiber | " hypervisor" % self.op.hvm_nic_type) |
3309 | 5397e0b7 | Alexander Schreiber | if self.op.hvm_disk_type not in constants.HT_HVM_VALID_DISK_TYPES: |
3310 | 5397e0b7 | Alexander Schreiber | raise errors.OpPrereqError("Invalid disk type %s specified for Xen HVM" |
3311 | 5397e0b7 | Alexander Schreiber | " hypervisor" % self.op.hvm_disk_type) |
3312 | 5397e0b7 | Alexander Schreiber | |
3313 | a8083063 | Iustin Pop | if self.op.start: |
3314 | a8083063 | Iustin Pop | self.instance_status = 'up' |
3315 | a8083063 | Iustin Pop | else:
|
3316 | a8083063 | Iustin Pop | self.instance_status = 'down' |
3317 | a8083063 | Iustin Pop | |
3318 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3319 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
3320 | a8083063 | Iustin Pop |
|
3321 | a8083063 | Iustin Pop | """
|
3322 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
3323 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
3324 | a8083063 | Iustin Pop | |
3325 | 1862d460 | Alexander Schreiber | if self.op.mac == "auto": |
3326 | ba4b62cf | Iustin Pop | mac_address = self.cfg.GenerateMAC()
|
3327 | 1862d460 | Alexander Schreiber | else:
|
3328 | ba4b62cf | Iustin Pop | mac_address = self.op.mac
|
3329 | 1862d460 | Alexander Schreiber | |
3330 | 1862d460 | Alexander Schreiber | nic = objects.NIC(bridge=self.op.bridge, mac=mac_address)
|
3331 | a8083063 | Iustin Pop | if self.inst_ip is not None: |
3332 | a8083063 | Iustin Pop | nic.ip = self.inst_ip
|
3333 | a8083063 | Iustin Pop | |
3334 | 2a6469d5 | Alexander Schreiber | ht_kind = self.sstore.GetHypervisorType()
|
3335 | 2a6469d5 | Alexander Schreiber | if ht_kind in constants.HTS_REQ_PORT: |
3336 | 2a6469d5 | Alexander Schreiber | network_port = self.cfg.AllocatePort()
|
3337 | 2a6469d5 | Alexander Schreiber | else:
|
3338 | 2a6469d5 | Alexander Schreiber | network_port = None
|
3339 | 58acb49d | Alexander Schreiber | |
3340 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is None: |
3341 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS
|
3342 | 31a853d2 | Iustin Pop | |
3343 | 2c313123 | Manuel Franceschini | # this is needed because os.path.join does not accept None arguments
|
3344 | 2c313123 | Manuel Franceschini | if self.op.file_storage_dir is None: |
3345 | 2c313123 | Manuel Franceschini | string_file_storage_dir = ""
|
3346 | 2c313123 | Manuel Franceschini | else:
|
3347 | 2c313123 | Manuel Franceschini | string_file_storage_dir = self.op.file_storage_dir
|
3348 | 2c313123 | Manuel Franceschini | |
3349 | 0f1a06e3 | Manuel Franceschini | # build the full file storage dir path
|
3350 | 0f1a06e3 | Manuel Franceschini | file_storage_dir = os.path.normpath(os.path.join( |
3351 | 0f1a06e3 | Manuel Franceschini | self.sstore.GetFileStorageDir(),
|
3352 | 2c313123 | Manuel Franceschini | string_file_storage_dir, instance)) |
3353 | 0f1a06e3 | Manuel Franceschini | |
3354 | 0f1a06e3 | Manuel Franceschini | |
3355 | 923b1523 | Iustin Pop | disks = _GenerateDiskTemplate(self.cfg,
|
3356 | a8083063 | Iustin Pop | self.op.disk_template,
|
3357 | a8083063 | Iustin Pop | instance, pnode_name, |
3358 | a8083063 | Iustin Pop | self.secondaries, self.op.disk_size, |
3359 | 0f1a06e3 | Manuel Franceschini | self.op.swap_size,
|
3360 | 0f1a06e3 | Manuel Franceschini | file_storage_dir, |
3361 | 0f1a06e3 | Manuel Franceschini | self.op.file_driver)
|
3362 | a8083063 | Iustin Pop | |
3363 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
3364 | a8083063 | Iustin Pop | primary_node=pnode_name, |
3365 | a8083063 | Iustin Pop | memory=self.op.mem_size,
|
3366 | a8083063 | Iustin Pop | vcpus=self.op.vcpus,
|
3367 | a8083063 | Iustin Pop | nics=[nic], disks=disks, |
3368 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
3369 | a8083063 | Iustin Pop | status=self.instance_status,
|
3370 | 58acb49d | Alexander Schreiber | network_port=network_port, |
3371 | 3b6d8c9b | Iustin Pop | kernel_path=self.op.kernel_path,
|
3372 | 3b6d8c9b | Iustin Pop | initrd_path=self.op.initrd_path,
|
3373 | 25c5878d | Alexander Schreiber | hvm_boot_order=self.op.hvm_boot_order,
|
3374 | 31a853d2 | Iustin Pop | hvm_acpi=self.op.hvm_acpi,
|
3375 | 31a853d2 | Iustin Pop | hvm_pae=self.op.hvm_pae,
|
3376 | 31a853d2 | Iustin Pop | hvm_cdrom_image_path=self.op.hvm_cdrom_image_path,
|
3377 | 31a853d2 | Iustin Pop | vnc_bind_address=self.op.vnc_bind_address,
|
3378 | 5397e0b7 | Alexander Schreiber | hvm_nic_type=self.op.hvm_nic_type,
|
3379 | 5397e0b7 | Alexander Schreiber | hvm_disk_type=self.op.hvm_disk_type,
|
3380 | a8083063 | Iustin Pop | ) |
3381 | a8083063 | Iustin Pop | |
3382 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
3383 | a8083063 | Iustin Pop | if not _CreateDisks(self.cfg, iobj): |
3384 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3385 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
3386 | a8083063 | Iustin Pop | |
3387 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
3388 | a8083063 | Iustin Pop | |
3389 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
3390 | a2fd9afc | Guido Trotter | # Add the new instance to the Ganeti Lock Manager
|
3391 | a2fd9afc | Guido Trotter | self.context.glm.add(locking.LEVEL_INSTANCE, instance)
|
3392 | a8083063 | Iustin Pop | |
3393 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
3394 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc) |
3395 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
3396 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
3397 | a8083063 | Iustin Pop | time.sleep(15)
|
3398 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
3399 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc, oneshot=True) |
3400 | a8083063 | Iustin Pop | else:
|
3401 | a8083063 | Iustin Pop | disk_abort = False
|
3402 | a8083063 | Iustin Pop | |
3403 | a8083063 | Iustin Pop | if disk_abort:
|
3404 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3405 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
3406 | a2fd9afc | Guido Trotter | # Remove the new instance from the Ganeti Lock Manager
|
3407 | a2fd9afc | Guido Trotter | self.context.glm.remove(locking.LEVEL_INSTANCE, iobj.name)
|
3408 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
3409 | 3ecf6786 | Iustin Pop | " this instance")
|
3410 | a8083063 | Iustin Pop | |
3411 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
3412 | a8083063 | Iustin Pop | (instance, pnode_name)) |
3413 | a8083063 | Iustin Pop | |
3414 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
3415 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
3416 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
3417 | a8083063 | Iustin Pop | if not rpc.call_instance_os_add(pnode_name, iobj, "sda", "sdb"): |
3418 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
3419 | 3ecf6786 | Iustin Pop | " on node %s" %
|
3420 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3421 | a8083063 | Iustin Pop | |
3422 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
3423 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
3424 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
3425 | a8083063 | Iustin Pop | src_image = self.src_image
|
3426 | a8083063 | Iustin Pop | if not rpc.call_instance_os_import(pnode_name, iobj, "sda", "sdb", |
3427 | a8083063 | Iustin Pop | src_node, src_image): |
3428 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not import os for instance" |
3429 | 3ecf6786 | Iustin Pop | " %s on node %s" %
|
3430 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3431 | a8083063 | Iustin Pop | else:
|
3432 | a8083063 | Iustin Pop | # also checked in the prereq part
|
3433 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
3434 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
3435 | a8083063 | Iustin Pop | |
3436 | a8083063 | Iustin Pop | if self.op.start: |
3437 | a8083063 | Iustin Pop | logger.Info("starting instance %s on node %s" % (instance, pnode_name))
|
3438 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
3439 | a8083063 | Iustin Pop | if not rpc.call_instance_start(pnode_name, iobj, None): |
3440 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
3441 | a8083063 | Iustin Pop | |
3442 | a8083063 | Iustin Pop | |
3443 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
3444 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
3445 | a8083063 | Iustin Pop |
|
3446 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
3447 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
3448 | a8083063 | Iustin Pop | console.
|
3449 | a8083063 | Iustin Pop |
|
3450 | a8083063 | Iustin Pop | """
|
3451 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3452 | 8659b73e | Guido Trotter | REQ_BGL = False
|
3453 | 8659b73e | Guido Trotter | |
3454 | 8659b73e | Guido Trotter | def ExpandNames(self): |
3455 | 8659b73e | Guido Trotter | self._ExpandAndLockInstance()
|
3456 | a8083063 | Iustin Pop | |
3457 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3458 | a8083063 | Iustin Pop | """Check prerequisites.
|
3459 | a8083063 | Iustin Pop |
|
3460 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3461 | a8083063 | Iustin Pop |
|
3462 | a8083063 | Iustin Pop | """
|
3463 | 8659b73e | Guido Trotter | self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
3464 | 8659b73e | Guido Trotter | assert self.instance is not None, \ |
3465 | 8659b73e | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
3466 | a8083063 | Iustin Pop | |
3467 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3468 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
3469 | a8083063 | Iustin Pop |
|
3470 | a8083063 | Iustin Pop | """
|
3471 | a8083063 | Iustin Pop | instance = self.instance
|
3472 | a8083063 | Iustin Pop | node = instance.primary_node |
3473 | a8083063 | Iustin Pop | |
3474 | a8083063 | Iustin Pop | node_insts = rpc.call_instance_list([node])[node] |
3475 | a8083063 | Iustin Pop | if node_insts is False: |
3476 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
3477 | a8083063 | Iustin Pop | |
3478 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
3479 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
3480 | a8083063 | Iustin Pop | |
3481 | a8083063 | Iustin Pop | logger.Debug("connecting to console of %s on %s" % (instance.name, node))
|
3482 | a8083063 | Iustin Pop | |
3483 | a8083063 | Iustin Pop | hyper = hypervisor.GetHypervisor() |
3484 | 30989e69 | Alexander Schreiber | console_cmd = hyper.GetShellCommandForConsole(instance) |
3485 | b047857b | Michael Hanselmann | |
3486 | 82122173 | Iustin Pop | # build ssh cmdline
|
3487 | 0a80a26f | Michael Hanselmann | return self.ssh.BuildCmd(node, "root", console_cmd, batch=True, tty=True) |
3488 | a8083063 | Iustin Pop | |
3489 | a8083063 | Iustin Pop | |
3490 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3491 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3492 | a8083063 | Iustin Pop |
|
3493 | a8083063 | Iustin Pop | """
|
3494 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3495 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3496 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
3497 | a8083063 | Iustin Pop | |
3498 | b6e82a65 | Iustin Pop | def _RunAllocator(self): |
3499 | b6e82a65 | Iustin Pop | """Compute a new secondary node using an IAllocator.
|
3500 | b6e82a65 | Iustin Pop |
|
3501 | b6e82a65 | Iustin Pop | """
|
3502 | b6e82a65 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
3503 | b6e82a65 | Iustin Pop | mode=constants.IALLOCATOR_MODE_RELOC, |
3504 | b6e82a65 | Iustin Pop | name=self.op.instance_name,
|
3505 | b6e82a65 | Iustin Pop | relocate_from=[self.sec_node])
|
3506 | b6e82a65 | Iustin Pop | |
3507 | b6e82a65 | Iustin Pop | ial.Run(self.op.iallocator)
|
3508 | b6e82a65 | Iustin Pop | |
3509 | b6e82a65 | Iustin Pop | if not ial.success: |
3510 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Can't compute nodes using" |
3511 | b6e82a65 | Iustin Pop | " iallocator '%s': %s" % (self.op.iallocator, |
3512 | b6e82a65 | Iustin Pop | ial.info)) |
3513 | b6e82a65 | Iustin Pop | if len(ial.nodes) != ial.required_nodes: |
3514 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("iallocator '%s' returned invalid number" |
3515 | b6e82a65 | Iustin Pop | " of nodes (%s), required %s" %
|
3516 | b6e82a65 | Iustin Pop | (len(ial.nodes), ial.required_nodes))
|
3517 | b6e82a65 | Iustin Pop | self.op.remote_node = ial.nodes[0] |
3518 | b6e82a65 | Iustin Pop | logger.ToStdout("Selected new secondary for the instance: %s" %
|
3519 | b6e82a65 | Iustin Pop | self.op.remote_node)
|
3520 | b6e82a65 | Iustin Pop | |
3521 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3522 | a8083063 | Iustin Pop | """Build hooks env.
|
3523 | a8083063 | Iustin Pop |
|
3524 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3525 | a8083063 | Iustin Pop |
|
3526 | a8083063 | Iustin Pop | """
|
3527 | a8083063 | Iustin Pop | env = { |
3528 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
3529 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3530 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3531 | a8083063 | Iustin Pop | } |
3532 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3533 | 0834c866 | Iustin Pop | nl = [ |
3534 | 0834c866 | Iustin Pop | self.sstore.GetMasterNode(),
|
3535 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
3536 | 0834c866 | Iustin Pop | ] |
3537 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
3538 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
3539 | a8083063 | Iustin Pop | return env, nl, nl
|
3540 | a8083063 | Iustin Pop | |
3541 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3542 | a8083063 | Iustin Pop | """Check prerequisites.
|
3543 | a8083063 | Iustin Pop |
|
3544 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3545 | a8083063 | Iustin Pop |
|
3546 | a8083063 | Iustin Pop | """
|
3547 | b6e82a65 | Iustin Pop | if not hasattr(self.op, "remote_node"): |
3548 | b6e82a65 | Iustin Pop | self.op.remote_node = None |
3549 | b6e82a65 | Iustin Pop | |
3550 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3551 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3552 | a8083063 | Iustin Pop | if instance is None: |
3553 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3554 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3555 | a8083063 | Iustin Pop | self.instance = instance
|
3556 | 7df43a76 | Iustin Pop | self.op.instance_name = instance.name
|
3557 | a8083063 | Iustin Pop | |
3558 | a9e0c397 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3559 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3560 | a9e0c397 | Iustin Pop | " network mirrored.")
|
3561 | a8083063 | Iustin Pop | |
3562 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3563 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3564 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
3565 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
3566 | a8083063 | Iustin Pop | |
3567 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
3568 | a9e0c397 | Iustin Pop | |
3569 | b6e82a65 | Iustin Pop | ia_name = getattr(self.op, "iallocator", None) |
3570 | b6e82a65 | Iustin Pop | if ia_name is not None: |
3571 | b6e82a65 | Iustin Pop | if self.op.remote_node is not None: |
3572 | b6e82a65 | Iustin Pop | raise errors.OpPrereqError("Give either the iallocator or the new" |
3573 | b6e82a65 | Iustin Pop | " secondary, not both")
|
3574 | b6e82a65 | Iustin Pop | self.op.remote_node = self._RunAllocator() |
3575 | b6e82a65 | Iustin Pop | |
3576 | b6e82a65 | Iustin Pop | remote_node = self.op.remote_node
|
3577 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3578 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(remote_node)
|
3579 | a8083063 | Iustin Pop | if remote_node is None: |
3580 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % |
3581 | 3ecf6786 | Iustin Pop | self.op.remote_node)
|
3582 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
3583 | a9e0c397 | Iustin Pop | else:
|
3584 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
3585 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3586 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3587 | 3ecf6786 | Iustin Pop | " the instance.")
|
3588 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
3589 | 0834c866 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_SEC: |
3590 | 0834c866 | Iustin Pop | # this is for DRBD8, where we can't execute the same mode of
|
3591 | 0834c866 | Iustin Pop | # replacement as for drbd7 (no different port allocated)
|
3592 | 0834c866 | Iustin Pop | raise errors.OpPrereqError("Same secondary given, cannot execute" |
3593 | 0834c866 | Iustin Pop | " replacement")
|
3594 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3595 | 7df43a76 | Iustin Pop | if (self.op.mode == constants.REPLACE_DISK_ALL and |
3596 | 7df43a76 | Iustin Pop | remote_node is not None): |
3597 | 7df43a76 | Iustin Pop | # switch to replace secondary mode
|
3598 | 7df43a76 | Iustin Pop | self.op.mode = constants.REPLACE_DISK_SEC
|
3599 | 7df43a76 | Iustin Pop | |
3600 | a9e0c397 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_ALL: |
3601 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' only allows primary or" |
3602 | a9e0c397 | Iustin Pop | " secondary disk replacement, not"
|
3603 | a9e0c397 | Iustin Pop | " both at once")
|
3604 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_PRI: |
3605 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3606 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' does not allow changing" |
3607 | a9e0c397 | Iustin Pop | " the secondary while doing a primary"
|
3608 | a9e0c397 | Iustin Pop | " node disk replacement")
|
3609 | a9e0c397 | Iustin Pop | self.tgt_node = instance.primary_node
|
3610 | cff90b79 | Iustin Pop | self.oth_node = instance.secondary_nodes[0] |
3611 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
3612 | a9e0c397 | Iustin Pop | self.new_node = remote_node # this can be None, in which case |
3613 | a9e0c397 | Iustin Pop | # we don't change the secondary
|
3614 | a9e0c397 | Iustin Pop | self.tgt_node = instance.secondary_nodes[0] |
3615 | cff90b79 | Iustin Pop | self.oth_node = instance.primary_node
|
3616 | a9e0c397 | Iustin Pop | else:
|
3617 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
3618 | a9e0c397 | Iustin Pop | |
3619 | a9e0c397 | Iustin Pop | for name in self.op.disks: |
3620 | a9e0c397 | Iustin Pop | if instance.FindDisk(name) is None: |
3621 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
3622 | a9e0c397 | Iustin Pop | (name, instance.name)) |
3623 | a8083063 | Iustin Pop | self.op.remote_node = remote_node
|
3624 | a8083063 | Iustin Pop | |
3625 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
3626 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
3627 | a9e0c397 | Iustin Pop |
|
3628 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3629 | a9e0c397 | Iustin Pop | - for each disk to be replaced:
|
3630 | a9e0c397 | Iustin Pop | - create new LVs on the target node with unique names
|
3631 | a9e0c397 | Iustin Pop | - detach old LVs from the drbd device
|
3632 | a9e0c397 | Iustin Pop | - rename old LVs to name_replaced.<time_t>
|
3633 | a9e0c397 | Iustin Pop | - rename new LVs to old LVs
|
3634 | a9e0c397 | Iustin Pop | - attach the new LVs (with the old names now) to the drbd device
|
3635 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3636 | a9e0c397 | Iustin Pop | - for each modified disk:
|
3637 | a9e0c397 | Iustin Pop | - remove old LVs (which have the name name_replaces.<time_t>)
|
3638 | a9e0c397 | Iustin Pop |
|
3639 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3640 | cff90b79 | Iustin Pop |
|
3641 | a9e0c397 | Iustin Pop | """
|
3642 | cff90b79 | Iustin Pop | steps_total = 6
|
3643 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3644 | a9e0c397 | Iustin Pop | instance = self.instance
|
3645 | a9e0c397 | Iustin Pop | iv_names = {} |
3646 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3647 | a9e0c397 | Iustin Pop | # start of work
|
3648 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3649 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
3650 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
3651 | cff90b79 | Iustin Pop | |
3652 | cff90b79 | Iustin Pop | # Step: check device activation
|
3653 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3654 | cff90b79 | Iustin Pop | info("checking volume groups")
|
3655 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
3656 | cff90b79 | Iustin Pop | results = rpc.call_vg_list([oth_node, tgt_node]) |
3657 | cff90b79 | Iustin Pop | if not results: |
3658 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3659 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
3660 | cff90b79 | Iustin Pop | res = results.get(node, False)
|
3661 | cff90b79 | Iustin Pop | if not res or my_vg not in res: |
3662 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3663 | cff90b79 | Iustin Pop | (my_vg, node)) |
3664 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3665 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3666 | cff90b79 | Iustin Pop | continue
|
3667 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
3668 | cff90b79 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, node))
|
3669 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
3670 | cff90b79 | Iustin Pop | if not rpc.call_blockdev_find(node, dev): |
3671 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3672 | cff90b79 | Iustin Pop | (dev.iv_name, node)) |
3673 | cff90b79 | Iustin Pop | |
3674 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
3675 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3676 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3677 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3678 | cff90b79 | Iustin Pop | continue
|
3679 | cff90b79 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, oth_node))
|
3680 | cff90b79 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, oth_node, |
3681 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
3682 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
3683 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
3684 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
3685 | cff90b79 | Iustin Pop | |
3686 | cff90b79 | Iustin Pop | # Step: create new storage
|
3687 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3688 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3689 | a9e0c397 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3690 | a9e0c397 | Iustin Pop | continue
|
3691 | a9e0c397 | Iustin Pop | size = dev.size |
3692 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
3693 | a9e0c397 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3694 | a9e0c397 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3695 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3696 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
3697 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3698 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
3699 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
3700 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
3701 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
3702 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
3703 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
3704 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3705 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3706 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3707 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3708 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, tgt_node, instance, new_lv, |
3709 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3710 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3711 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3712 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
3713 | a9e0c397 | Iustin Pop | |
3714 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
3715 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
3716 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
3717 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
3718 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs): |
3719 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
3720 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
3721 | cff90b79 | Iustin Pop | #dev.children = []
|
3722 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
3723 | a9e0c397 | Iustin Pop | |
3724 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
3725 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
3726 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
3727 | c99a3cc0 | Manuel Franceschini | # using the assumption that logical_id == physical_id (which in
|
3728 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
3729 | cff90b79 | Iustin Pop | |
3730 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
3731 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
3732 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
3733 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
3734 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
3735 | cff90b79 | Iustin Pop | rlist = [] |
3736 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
3737 | cff90b79 | Iustin Pop | find_res = rpc.call_blockdev_find(tgt_node, to_ren) |
3738 | cff90b79 | Iustin Pop | if find_res is not None: # device exists |
3739 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
3740 | cff90b79 | Iustin Pop | |
3741 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
3742 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3743 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
3744 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
3745 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
3746 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
3747 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3748 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
3749 | cff90b79 | Iustin Pop | |
3750 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
3751 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
3752 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
3753 | a9e0c397 | Iustin Pop | |
3754 | cff90b79 | Iustin Pop | for disk in old_lvs: |
3755 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
3756 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
3757 | a9e0c397 | Iustin Pop | |
3758 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
3759 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
3760 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs): |
3761 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3762 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, new_lv): |
3763 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
3764 | cff90b79 | Iustin Pop | " logical volumes")
|
3765 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
3766 | a9e0c397 | Iustin Pop | |
3767 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
3768 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
3769 | a9e0c397 | Iustin Pop | |
3770 | cff90b79 | Iustin Pop | # Step: wait for sync
|
3771 | a9e0c397 | Iustin Pop | |
3772 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3773 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3774 | a9e0c397 | Iustin Pop | # return value
|
3775 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3776 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3777 | a9e0c397 | Iustin Pop | |
3778 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3779 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3780 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3781 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3782 | a9e0c397 | Iustin Pop | if is_degr:
|
3783 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3784 | a9e0c397 | Iustin Pop | |
3785 | cff90b79 | Iustin Pop | # Step: remove old storage
|
3786 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3787 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3788 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3789 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3790 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
3791 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, lv): |
3792 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
3793 | a9e0c397 | Iustin Pop | continue
|
3794 | a9e0c397 | Iustin Pop | |
3795 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
3796 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
3797 | a9e0c397 | Iustin Pop |
|
3798 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3799 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
3800 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
3801 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
3802 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
3803 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
3804 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
3805 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
3806 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
3807 | a9e0c397 | Iustin Pop | not network enabled
|
3808 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3809 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
3810 | a9e0c397 | Iustin Pop |
|
3811 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3812 | 0834c866 | Iustin Pop |
|
3813 | a9e0c397 | Iustin Pop | """
|
3814 | 0834c866 | Iustin Pop | steps_total = 6
|
3815 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3816 | a9e0c397 | Iustin Pop | instance = self.instance
|
3817 | a9e0c397 | Iustin Pop | iv_names = {} |
3818 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3819 | a9e0c397 | Iustin Pop | # start of work
|
3820 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3821 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
3822 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
3823 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
3824 | 0834c866 | Iustin Pop | |
3825 | 0834c866 | Iustin Pop | # Step: check device activation
|
3826 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3827 | 0834c866 | Iustin Pop | info("checking volume groups")
|
3828 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
3829 | 0834c866 | Iustin Pop | results = rpc.call_vg_list([pri_node, new_node]) |
3830 | 0834c866 | Iustin Pop | if not results: |
3831 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3832 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
3833 | 0834c866 | Iustin Pop | res = results.get(node, False)
|
3834 | 0834c866 | Iustin Pop | if not res or my_vg not in res: |
3835 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3836 | 0834c866 | Iustin Pop | (my_vg, node)) |
3837 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3838 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3839 | 0834c866 | Iustin Pop | continue
|
3840 | 0834c866 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, pri_node))
|
3841 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3842 | 0834c866 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3843 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3844 | 0834c866 | Iustin Pop | (dev.iv_name, pri_node)) |
3845 | 0834c866 | Iustin Pop | |
3846 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
3847 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3848 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3849 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3850 | 0834c866 | Iustin Pop | continue
|
3851 | 0834c866 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, pri_node))
|
3852 | 0834c866 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, pri_node, True, ldisk=True): |
3853 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
3854 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
3855 | 0834c866 | Iustin Pop | pri_node) |
3856 | 0834c866 | Iustin Pop | |
3857 | 0834c866 | Iustin Pop | # Step: create new storage
|
3858 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3859 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3860 | a9e0c397 | Iustin Pop | size = dev.size |
3861 | 0834c866 | Iustin Pop | info("adding new local storage on %s for %s" % (new_node, dev.iv_name))
|
3862 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3863 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3864 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3865 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
3866 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, new_node, instance, new_lv, |
3867 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3868 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3869 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3870 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
3871 | a9e0c397 | Iustin Pop | |
3872 | 0834c866 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children) |
3873 | 0834c866 | Iustin Pop | |
3874 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
3875 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3876 | 0834c866 | Iustin Pop | size = dev.size |
3877 | 0834c866 | Iustin Pop | info("activating a new drbd on %s for %s" % (new_node, dev.iv_name))
|
3878 | a9e0c397 | Iustin Pop | # create new devices on new_node
|
3879 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
3880 | a9e0c397 | Iustin Pop | logical_id=(pri_node, new_node, |
3881 | a9e0c397 | Iustin Pop | dev.logical_id[2]),
|
3882 | a9e0c397 | Iustin Pop | children=dev.children) |
3883 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, new_node, instance, |
3884 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3885 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3886 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
3887 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
3888 | a9e0c397 | Iustin Pop | |
3889 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3890 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
3891 | 0834c866 | Iustin Pop | info("shutting down drbd for %s on old node" % dev.iv_name)
|
3892 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
3893 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_shutdown(old_node, dev): |
3894 | 0834c866 | Iustin Pop | warning("Failed to shutdown drbd for %s on old node" % dev.iv_name,
|
3895 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
3896 | a9e0c397 | Iustin Pop | |
3897 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
3898 | 642445d9 | Iustin Pop | done = 0
|
3899 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3900 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3901 | 642445d9 | Iustin Pop | # set the physical (unique in bdev terms) id to None, meaning
|
3902 | 642445d9 | Iustin Pop | # detach from network
|
3903 | 642445d9 | Iustin Pop | dev.physical_id = (None,) * len(dev.physical_id) |
3904 | 642445d9 | Iustin Pop | # and 'find' the device, which will 'fix' it to match the
|
3905 | 642445d9 | Iustin Pop | # standalone state
|
3906 | 642445d9 | Iustin Pop | if rpc.call_blockdev_find(pri_node, dev):
|
3907 | 642445d9 | Iustin Pop | done += 1
|
3908 | 642445d9 | Iustin Pop | else:
|
3909 | 642445d9 | Iustin Pop | warning("Failed to detach drbd %s from network, unusual case" %
|
3910 | 642445d9 | Iustin Pop | dev.iv_name) |
3911 | 642445d9 | Iustin Pop | |
3912 | 642445d9 | Iustin Pop | if not done: |
3913 | 642445d9 | Iustin Pop | # no detaches succeeded (very unlikely)
|
3914 | 642445d9 | Iustin Pop | raise errors.OpExecError("Can't detach at least one DRBD from old node") |
3915 | 642445d9 | Iustin Pop | |
3916 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
3917 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
3918 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
3919 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3920 | 642445d9 | Iustin Pop | dev.logical_id = (pri_node, new_node) + dev.logical_id[2:]
|
3921 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3922 | 642445d9 | Iustin Pop | cfg.Update(instance) |
3923 | a9e0c397 | Iustin Pop | |
3924 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
3925 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
3926 | 642445d9 | Iustin Pop | failures = [] |
3927 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3928 | 642445d9 | Iustin Pop | info("attaching primary drbd for %s to new secondary node" % dev.iv_name)
|
3929 | 642445d9 | Iustin Pop | # since the attach is smart, it's enough to 'find' the device,
|
3930 | 642445d9 | Iustin Pop | # it will automatically activate the network, if the physical_id
|
3931 | 642445d9 | Iustin Pop | # is correct
|
3932 | 642445d9 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3933 | 642445d9 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3934 | 642445d9 | Iustin Pop | warning("can't attach drbd %s to new secondary!" % dev.iv_name,
|
3935 | 642445d9 | Iustin Pop | "please do a gnt-instance info to see the status of disks")
|
3936 | a9e0c397 | Iustin Pop | |
3937 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3938 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3939 | a9e0c397 | Iustin Pop | # return value
|
3940 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3941 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3942 | a9e0c397 | Iustin Pop | |
3943 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3944 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3945 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3946 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(pri_node, dev)[5]
|
3947 | a9e0c397 | Iustin Pop | if is_degr:
|
3948 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3949 | a9e0c397 | Iustin Pop | |
3950 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3951 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3952 | 0834c866 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3953 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3954 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
3955 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(old_node, lv): |
3956 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
3957 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
3958 | a9e0c397 | Iustin Pop | |
3959 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
3960 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
3961 | a9e0c397 | Iustin Pop |
|
3962 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
3963 | a9e0c397 | Iustin Pop |
|
3964 | a9e0c397 | Iustin Pop | """
|
3965 | a9e0c397 | Iustin Pop | instance = self.instance
|
3966 | 22985314 | Guido Trotter | |
3967 | 22985314 | Guido Trotter | # Activate the instance disks if we're replacing them on a down instance
|
3968 | 22985314 | Guido Trotter | if instance.status == "down": |
3969 | 22985314 | Guido Trotter | op = opcodes.OpActivateInstanceDisks(instance_name=instance.name) |
3970 | 22985314 | Guido Trotter | self.proc.ChainOpCode(op)
|
3971 | 22985314 | Guido Trotter | |
3972 | abdf0113 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3973 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
3974 | a9e0c397 | Iustin Pop | fn = self._ExecD8DiskOnly
|
3975 | a9e0c397 | Iustin Pop | else:
|
3976 | a9e0c397 | Iustin Pop | fn = self._ExecD8Secondary
|
3977 | a9e0c397 | Iustin Pop | else:
|
3978 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replacement case") |
3979 | 22985314 | Guido Trotter | |
3980 | 22985314 | Guido Trotter | ret = fn(feedback_fn) |
3981 | 22985314 | Guido Trotter | |
3982 | 22985314 | Guido Trotter | # Deactivate the instance disks if we're replacing them on a down instance
|
3983 | 22985314 | Guido Trotter | if instance.status == "down": |
3984 | 22985314 | Guido Trotter | op = opcodes.OpDeactivateInstanceDisks(instance_name=instance.name) |
3985 | 22985314 | Guido Trotter | self.proc.ChainOpCode(op)
|
3986 | 22985314 | Guido Trotter | |
3987 | 22985314 | Guido Trotter | return ret
|
3988 | a9e0c397 | Iustin Pop | |
3989 | a8083063 | Iustin Pop | |
3990 | 8729e0d7 | Iustin Pop | class LUGrowDisk(LogicalUnit): |
3991 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance.
|
3992 | 8729e0d7 | Iustin Pop |
|
3993 | 8729e0d7 | Iustin Pop | """
|
3994 | 8729e0d7 | Iustin Pop | HPATH = "disk-grow"
|
3995 | 8729e0d7 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3996 | 8729e0d7 | Iustin Pop | _OP_REQP = ["instance_name", "disk", "amount"] |
3997 | 8729e0d7 | Iustin Pop | |
3998 | 8729e0d7 | Iustin Pop | def BuildHooksEnv(self): |
3999 | 8729e0d7 | Iustin Pop | """Build hooks env.
|
4000 | 8729e0d7 | Iustin Pop |
|
4001 | 8729e0d7 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
4002 | 8729e0d7 | Iustin Pop |
|
4003 | 8729e0d7 | Iustin Pop | """
|
4004 | 8729e0d7 | Iustin Pop | env = { |
4005 | 8729e0d7 | Iustin Pop | "DISK": self.op.disk, |
4006 | 8729e0d7 | Iustin Pop | "AMOUNT": self.op.amount, |
4007 | 8729e0d7 | Iustin Pop | } |
4008 | 8729e0d7 | Iustin Pop | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4009 | 8729e0d7 | Iustin Pop | nl = [ |
4010 | 8729e0d7 | Iustin Pop | self.sstore.GetMasterNode(),
|
4011 | 8729e0d7 | Iustin Pop | self.instance.primary_node,
|
4012 | 8729e0d7 | Iustin Pop | ] |
4013 | 8729e0d7 | Iustin Pop | return env, nl, nl
|
4014 | 8729e0d7 | Iustin Pop | |
4015 | 8729e0d7 | Iustin Pop | def CheckPrereq(self): |
4016 | 8729e0d7 | Iustin Pop | """Check prerequisites.
|
4017 | 8729e0d7 | Iustin Pop |
|
4018 | 8729e0d7 | Iustin Pop | This checks that the instance is in the cluster.
|
4019 | 8729e0d7 | Iustin Pop |
|
4020 | 8729e0d7 | Iustin Pop | """
|
4021 | 8729e0d7 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
4022 | 8729e0d7 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
4023 | 8729e0d7 | Iustin Pop | if instance is None: |
4024 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
4025 | 8729e0d7 | Iustin Pop | self.op.instance_name)
|
4026 | 8729e0d7 | Iustin Pop | self.instance = instance
|
4027 | 8729e0d7 | Iustin Pop | self.op.instance_name = instance.name
|
4028 | 8729e0d7 | Iustin Pop | |
4029 | 8729e0d7 | Iustin Pop | if instance.disk_template not in (constants.DT_PLAIN, constants.DT_DRBD8): |
4030 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout does not support" |
4031 | 8729e0d7 | Iustin Pop | " growing.")
|
4032 | 8729e0d7 | Iustin Pop | |
4033 | 8729e0d7 | Iustin Pop | if instance.FindDisk(self.op.disk) is None: |
4034 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
4035 | c7cdfc90 | Iustin Pop | (self.op.disk, instance.name))
|
4036 | 8729e0d7 | Iustin Pop | |
4037 | 8729e0d7 | Iustin Pop | nodenames = [instance.primary_node] + list(instance.secondary_nodes)
|
4038 | 8729e0d7 | Iustin Pop | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
4039 | 8729e0d7 | Iustin Pop | for node in nodenames: |
4040 | 8729e0d7 | Iustin Pop | info = nodeinfo.get(node, None)
|
4041 | 8729e0d7 | Iustin Pop | if not info: |
4042 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
4043 | 8729e0d7 | Iustin Pop | " from node '%s'" % node)
|
4044 | 8729e0d7 | Iustin Pop | vg_free = info.get('vg_free', None) |
4045 | 8729e0d7 | Iustin Pop | if not isinstance(vg_free, int): |
4046 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Can't compute free disk space on" |
4047 | 8729e0d7 | Iustin Pop | " node %s" % node)
|
4048 | 8729e0d7 | Iustin Pop | if self.op.amount > info['vg_free']: |
4049 | 8729e0d7 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s:" |
4050 | 8729e0d7 | Iustin Pop | " %d MiB available, %d MiB required" %
|
4051 | 8729e0d7 | Iustin Pop | (node, info['vg_free'], self.op.amount)) |
4052 | 8729e0d7 | Iustin Pop | |
4053 | 8729e0d7 | Iustin Pop | def Exec(self, feedback_fn): |
4054 | 8729e0d7 | Iustin Pop | """Execute disk grow.
|
4055 | 8729e0d7 | Iustin Pop |
|
4056 | 8729e0d7 | Iustin Pop | """
|
4057 | 8729e0d7 | Iustin Pop | instance = self.instance
|
4058 | 8729e0d7 | Iustin Pop | disk = instance.FindDisk(self.op.disk)
|
4059 | 8729e0d7 | Iustin Pop | for node in (instance.secondary_nodes + (instance.primary_node,)): |
4060 | 8729e0d7 | Iustin Pop | self.cfg.SetDiskID(disk, node)
|
4061 | 8729e0d7 | Iustin Pop | result = rpc.call_blockdev_grow(node, disk, self.op.amount)
|
4062 | 8729e0d7 | Iustin Pop | if not result or not isinstance(result, tuple) or len(result) != 2: |
4063 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s" % node) |
4064 | 8729e0d7 | Iustin Pop | elif not result[0]: |
4065 | 8729e0d7 | Iustin Pop | raise errors.OpExecError("grow request failed to node %s: %s" % |
4066 | 8729e0d7 | Iustin Pop | (node, result[1]))
|
4067 | 8729e0d7 | Iustin Pop | disk.RecordGrow(self.op.amount)
|
4068 | 8729e0d7 | Iustin Pop | self.cfg.Update(instance)
|
4069 | 8729e0d7 | Iustin Pop | return
|
4070 | 8729e0d7 | Iustin Pop | |
4071 | 8729e0d7 | Iustin Pop | |
4072 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
4073 | a8083063 | Iustin Pop | """Query runtime instance data.
|
4074 | a8083063 | Iustin Pop |
|
4075 | a8083063 | Iustin Pop | """
|
4076 | a8083063 | Iustin Pop | _OP_REQP = ["instances"]
|
4077 | a8083063 | Iustin Pop | |
4078 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4079 | a8083063 | Iustin Pop | """Check prerequisites.
|
4080 | a8083063 | Iustin Pop |
|
4081 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
4082 | a8083063 | Iustin Pop |
|
4083 | a8083063 | Iustin Pop | """
|
4084 | a8083063 | Iustin Pop | if not isinstance(self.op.instances, list): |
4085 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
4086 | a8083063 | Iustin Pop | if self.op.instances: |
4087 | a8083063 | Iustin Pop | self.wanted_instances = []
|
4088 | a8083063 | Iustin Pop | names = self.op.instances
|
4089 | a8083063 | Iustin Pop | for name in names: |
4090 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.cfg.ExpandInstanceName(name)) |
4091 | a8083063 | Iustin Pop | if instance is None: |
4092 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
4093 | 515207af | Guido Trotter | self.wanted_instances.append(instance)
|
4094 | a8083063 | Iustin Pop | else:
|
4095 | a8083063 | Iustin Pop | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
4096 | a8083063 | Iustin Pop | in self.cfg.GetInstanceList()] |
4097 | a8083063 | Iustin Pop | return
|
4098 | a8083063 | Iustin Pop | |
4099 | a8083063 | Iustin Pop | |
4100 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
4101 | a8083063 | Iustin Pop | """Compute block device status.
|
4102 | a8083063 | Iustin Pop |
|
4103 | a8083063 | Iustin Pop | """
|
4104 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
4105 | a8083063 | Iustin Pop | dev_pstatus = rpc.call_blockdev_find(instance.primary_node, dev) |
4106 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
4107 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
4108 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
4109 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
4110 | a8083063 | Iustin Pop | else:
|
4111 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
4112 | a8083063 | Iustin Pop | |
4113 | a8083063 | Iustin Pop | if snode:
|
4114 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
4115 | a8083063 | Iustin Pop | dev_sstatus = rpc.call_blockdev_find(snode, dev) |
4116 | a8083063 | Iustin Pop | else:
|
4117 | a8083063 | Iustin Pop | dev_sstatus = None
|
4118 | a8083063 | Iustin Pop | |
4119 | a8083063 | Iustin Pop | if dev.children:
|
4120 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
4121 | a8083063 | Iustin Pop | for child in dev.children] |
4122 | a8083063 | Iustin Pop | else:
|
4123 | a8083063 | Iustin Pop | dev_children = [] |
4124 | a8083063 | Iustin Pop | |
4125 | a8083063 | Iustin Pop | data = { |
4126 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
4127 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
4128 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
4129 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
4130 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
4131 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
4132 | a8083063 | Iustin Pop | "children": dev_children,
|
4133 | a8083063 | Iustin Pop | } |
4134 | a8083063 | Iustin Pop | |
4135 | a8083063 | Iustin Pop | return data
|
4136 | a8083063 | Iustin Pop | |
4137 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4138 | a8083063 | Iustin Pop | """Gather and return data"""
|
4139 | a8083063 | Iustin Pop | result = {} |
4140 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
4141 | a8083063 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, |
4142 | a8083063 | Iustin Pop | instance.name) |
4143 | a8083063 | Iustin Pop | if remote_info and "state" in remote_info: |
4144 | a8083063 | Iustin Pop | remote_state = "up"
|
4145 | a8083063 | Iustin Pop | else:
|
4146 | a8083063 | Iustin Pop | remote_state = "down"
|
4147 | a8083063 | Iustin Pop | if instance.status == "down": |
4148 | a8083063 | Iustin Pop | config_state = "down"
|
4149 | a8083063 | Iustin Pop | else:
|
4150 | a8083063 | Iustin Pop | config_state = "up"
|
4151 | a8083063 | Iustin Pop | |
4152 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
4153 | a8083063 | Iustin Pop | for device in instance.disks] |
4154 | a8083063 | Iustin Pop | |
4155 | a8083063 | Iustin Pop | idict = { |
4156 | a8083063 | Iustin Pop | "name": instance.name,
|
4157 | a8083063 | Iustin Pop | "config_state": config_state,
|
4158 | a8083063 | Iustin Pop | "run_state": remote_state,
|
4159 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
4160 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
4161 | a8083063 | Iustin Pop | "os": instance.os,
|
4162 | a8083063 | Iustin Pop | "memory": instance.memory,
|
4163 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
4164 | a8083063 | Iustin Pop | "disks": disks,
|
4165 | f55ff7ec | Iustin Pop | "vcpus": instance.vcpus,
|
4166 | a8083063 | Iustin Pop | } |
4167 | a8083063 | Iustin Pop | |
4168 | a8340917 | Iustin Pop | htkind = self.sstore.GetHypervisorType()
|
4169 | a8340917 | Iustin Pop | if htkind == constants.HT_XEN_PVM30:
|
4170 | a8340917 | Iustin Pop | idict["kernel_path"] = instance.kernel_path
|
4171 | a8340917 | Iustin Pop | idict["initrd_path"] = instance.initrd_path
|
4172 | a8340917 | Iustin Pop | |
4173 | a8340917 | Iustin Pop | if htkind == constants.HT_XEN_HVM31:
|
4174 | a8340917 | Iustin Pop | idict["hvm_boot_order"] = instance.hvm_boot_order
|
4175 | a8340917 | Iustin Pop | idict["hvm_acpi"] = instance.hvm_acpi
|
4176 | a8340917 | Iustin Pop | idict["hvm_pae"] = instance.hvm_pae
|
4177 | a8340917 | Iustin Pop | idict["hvm_cdrom_image_path"] = instance.hvm_cdrom_image_path
|
4178 | 5397e0b7 | Alexander Schreiber | idict["hvm_nic_type"] = instance.hvm_nic_type
|
4179 | 5397e0b7 | Alexander Schreiber | idict["hvm_disk_type"] = instance.hvm_disk_type
|
4180 | a8340917 | Iustin Pop | |
4181 | a8340917 | Iustin Pop | if htkind in constants.HTS_REQ_PORT: |
4182 | d0c11cf7 | Alexander Schreiber | if instance.vnc_bind_address is None: |
4183 | d0c11cf7 | Alexander Schreiber | vnc_bind_address = constants.VNC_DEFAULT_BIND_ADDRESS |
4184 | d0c11cf7 | Alexander Schreiber | else:
|
4185 | d0c11cf7 | Alexander Schreiber | vnc_bind_address = instance.vnc_bind_address |
4186 | 34b6ab97 | Alexander Schreiber | if instance.network_port is None: |
4187 | 34b6ab97 | Alexander Schreiber | vnc_console_port = None
|
4188 | d0c11cf7 | Alexander Schreiber | elif vnc_bind_address == constants.BIND_ADDRESS_GLOBAL:
|
4189 | a4273aba | Alexander Schreiber | vnc_console_port = "%s:%s" % (instance.primary_node,
|
4190 | 34b6ab97 | Alexander Schreiber | instance.network_port) |
4191 | d0c11cf7 | Alexander Schreiber | elif vnc_bind_address == constants.LOCALHOST_IP_ADDRESS:
|
4192 | d0c11cf7 | Alexander Schreiber | vnc_console_port = "%s:%s on node %s" % (vnc_bind_address,
|
4193 | a4273aba | Alexander Schreiber | instance.network_port, |
4194 | a4273aba | Alexander Schreiber | instance.primary_node) |
4195 | 34b6ab97 | Alexander Schreiber | else:
|
4196 | 34b6ab97 | Alexander Schreiber | vnc_console_port = "%s:%s" % (instance.vnc_bind_address,
|
4197 | 34b6ab97 | Alexander Schreiber | instance.network_port) |
4198 | 34b6ab97 | Alexander Schreiber | idict["vnc_console_port"] = vnc_console_port
|
4199 | d0c11cf7 | Alexander Schreiber | idict["vnc_bind_address"] = vnc_bind_address
|
4200 | a8340917 | Iustin Pop | idict["network_port"] = instance.network_port
|
4201 | a8340917 | Iustin Pop | |
4202 | a8083063 | Iustin Pop | result[instance.name] = idict |
4203 | a8083063 | Iustin Pop | |
4204 | a8083063 | Iustin Pop | return result
|
4205 | a8083063 | Iustin Pop | |
4206 | a8083063 | Iustin Pop | |
4207 | 7767bbf5 | Manuel Franceschini | class LUSetInstanceParams(LogicalUnit): |
4208 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
4209 | a8083063 | Iustin Pop |
|
4210 | a8083063 | Iustin Pop | """
|
4211 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
4212 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4213 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4214 | 1a5c7281 | Guido Trotter | REQ_BGL = False
|
4215 | 1a5c7281 | Guido Trotter | |
4216 | 1a5c7281 | Guido Trotter | def ExpandNames(self): |
4217 | 1a5c7281 | Guido Trotter | self._ExpandAndLockInstance()
|
4218 | a8083063 | Iustin Pop | |
4219 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4220 | a8083063 | Iustin Pop | """Build hooks env.
|
4221 | a8083063 | Iustin Pop |
|
4222 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
4223 | a8083063 | Iustin Pop |
|
4224 | a8083063 | Iustin Pop | """
|
4225 | 396e1b78 | Michael Hanselmann | args = dict()
|
4226 | a8083063 | Iustin Pop | if self.mem: |
4227 | 396e1b78 | Michael Hanselmann | args['memory'] = self.mem |
4228 | a8083063 | Iustin Pop | if self.vcpus: |
4229 | 396e1b78 | Michael Hanselmann | args['vcpus'] = self.vcpus |
4230 | ef756965 | Iustin Pop | if self.do_ip or self.do_bridge or self.mac: |
4231 | 396e1b78 | Michael Hanselmann | if self.do_ip: |
4232 | 396e1b78 | Michael Hanselmann | ip = self.ip
|
4233 | 396e1b78 | Michael Hanselmann | else:
|
4234 | 396e1b78 | Michael Hanselmann | ip = self.instance.nics[0].ip |
4235 | 396e1b78 | Michael Hanselmann | if self.bridge: |
4236 | 396e1b78 | Michael Hanselmann | bridge = self.bridge
|
4237 | 396e1b78 | Michael Hanselmann | else:
|
4238 | 396e1b78 | Michael Hanselmann | bridge = self.instance.nics[0].bridge |
4239 | ef756965 | Iustin Pop | if self.mac: |
4240 | ef756965 | Iustin Pop | mac = self.mac
|
4241 | ef756965 | Iustin Pop | else:
|
4242 | ef756965 | Iustin Pop | mac = self.instance.nics[0].mac |
4243 | ef756965 | Iustin Pop | args['nics'] = [(ip, bridge, mac)]
|
4244 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance, override=args)
|
4245 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
4246 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
4247 | a8083063 | Iustin Pop | return env, nl, nl
|
4248 | a8083063 | Iustin Pop | |
4249 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4250 | a8083063 | Iustin Pop | """Check prerequisites.
|
4251 | a8083063 | Iustin Pop |
|
4252 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
4253 | a8083063 | Iustin Pop |
|
4254 | a8083063 | Iustin Pop | """
|
4255 | 1a5c7281 | Guido Trotter | # FIXME: all the parameters could be checked before, in ExpandNames, or in
|
4256 | 1a5c7281 | Guido Trotter | # a separate CheckArguments function, if we implement one, so the operation
|
4257 | 1a5c7281 | Guido Trotter | # can be aborted without waiting for any lock, should it have an error...
|
4258 | a8083063 | Iustin Pop | self.mem = getattr(self.op, "mem", None) |
4259 | a8083063 | Iustin Pop | self.vcpus = getattr(self.op, "vcpus", None) |
4260 | a8083063 | Iustin Pop | self.ip = getattr(self.op, "ip", None) |
4261 | 1862d460 | Alexander Schreiber | self.mac = getattr(self.op, "mac", None) |
4262 | a8083063 | Iustin Pop | self.bridge = getattr(self.op, "bridge", None) |
4263 | 973d7867 | Iustin Pop | self.kernel_path = getattr(self.op, "kernel_path", None) |
4264 | 973d7867 | Iustin Pop | self.initrd_path = getattr(self.op, "initrd_path", None) |
4265 | 25c5878d | Alexander Schreiber | self.hvm_boot_order = getattr(self.op, "hvm_boot_order", None) |
4266 | 31a853d2 | Iustin Pop | self.hvm_acpi = getattr(self.op, "hvm_acpi", None) |
4267 | 31a853d2 | Iustin Pop | self.hvm_pae = getattr(self.op, "hvm_pae", None) |
4268 | 5397e0b7 | Alexander Schreiber | self.hvm_nic_type = getattr(self.op, "hvm_nic_type", None) |
4269 | 5397e0b7 | Alexander Schreiber | self.hvm_disk_type = getattr(self.op, "hvm_disk_type", None) |
4270 | 31a853d2 | Iustin Pop | self.hvm_cdrom_image_path = getattr(self.op, "hvm_cdrom_image_path", None) |
4271 | 31a853d2 | Iustin Pop | self.vnc_bind_address = getattr(self.op, "vnc_bind_address", None) |
4272 | 4300c4b6 | Guido Trotter | self.force = getattr(self.op, "force", None) |
4273 | 31a853d2 | Iustin Pop | all_parms = [self.mem, self.vcpus, self.ip, self.bridge, self.mac, |
4274 | 31a853d2 | Iustin Pop | self.kernel_path, self.initrd_path, self.hvm_boot_order, |
4275 | 31a853d2 | Iustin Pop | self.hvm_acpi, self.hvm_pae, self.hvm_cdrom_image_path, |
4276 | 5397e0b7 | Alexander Schreiber | self.vnc_bind_address, self.hvm_nic_type, self.hvm_disk_type] |
4277 | 31a853d2 | Iustin Pop | if all_parms.count(None) == len(all_parms): |
4278 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
4279 | a8083063 | Iustin Pop | if self.mem is not None: |
4280 | a8083063 | Iustin Pop | try:
|
4281 | a8083063 | Iustin Pop | self.mem = int(self.mem) |
4282 | a8083063 | Iustin Pop | except ValueError, err: |
4283 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid memory size: %s" % str(err)) |
4284 | a8083063 | Iustin Pop | if self.vcpus is not None: |
4285 | a8083063 | Iustin Pop | try:
|
4286 | a8083063 | Iustin Pop | self.vcpus = int(self.vcpus) |
4287 | a8083063 | Iustin Pop | except ValueError, err: |
4288 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid vcpus number: %s" % str(err)) |
4289 | a8083063 | Iustin Pop | if self.ip is not None: |
4290 | a8083063 | Iustin Pop | self.do_ip = True |
4291 | a8083063 | Iustin Pop | if self.ip.lower() == "none": |
4292 | a8083063 | Iustin Pop | self.ip = None |
4293 | a8083063 | Iustin Pop | else:
|
4294 | a8083063 | Iustin Pop | if not utils.IsValidIP(self.ip): |
4295 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'." % self.ip) |
4296 | a8083063 | Iustin Pop | else:
|
4297 | a8083063 | Iustin Pop | self.do_ip = False |
4298 | ecb215b5 | Michael Hanselmann | self.do_bridge = (self.bridge is not None) |
4299 | 1862d460 | Alexander Schreiber | if self.mac is not None: |
4300 | 1862d460 | Alexander Schreiber | if self.cfg.IsMacInUse(self.mac): |
4301 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('MAC address %s already in use in cluster' % |
4302 | 1862d460 | Alexander Schreiber | self.mac)
|
4303 | 1862d460 | Alexander Schreiber | if not utils.IsValidMac(self.mac): |
4304 | 1862d460 | Alexander Schreiber | raise errors.OpPrereqError('Invalid MAC address %s' % self.mac) |
4305 | a8083063 | Iustin Pop | |
4306 | 973d7867 | Iustin Pop | if self.kernel_path is not None: |
4307 | 973d7867 | Iustin Pop | self.do_kernel_path = True |
4308 | 973d7867 | Iustin Pop | if self.kernel_path == constants.VALUE_NONE: |
4309 | 973d7867 | Iustin Pop | raise errors.OpPrereqError("Can't set instance to no kernel") |
4310 | 973d7867 | Iustin Pop | |
4311 | 973d7867 | Iustin Pop | if self.kernel_path != constants.VALUE_DEFAULT: |
4312 | 973d7867 | Iustin Pop | if not os.path.isabs(self.kernel_path): |
4313 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The kernel path must be an absolute" |
4314 | 973d7867 | Iustin Pop | " filename")
|
4315 | 8cafeb26 | Iustin Pop | else:
|
4316 | 8cafeb26 | Iustin Pop | self.do_kernel_path = False |
4317 | 973d7867 | Iustin Pop | |
4318 | 973d7867 | Iustin Pop | if self.initrd_path is not None: |
4319 | 973d7867 | Iustin Pop | self.do_initrd_path = True |
4320 | 973d7867 | Iustin Pop | if self.initrd_path not in (constants.VALUE_NONE, |
4321 | 973d7867 | Iustin Pop | constants.VALUE_DEFAULT): |
4322 | 2bc22872 | Iustin Pop | if not os.path.isabs(self.initrd_path): |
4323 | ba4b62cf | Iustin Pop | raise errors.OpPrereqError("The initrd path must be an absolute" |
4324 | 973d7867 | Iustin Pop | " filename")
|
4325 | 8cafeb26 | Iustin Pop | else:
|
4326 | 8cafeb26 | Iustin Pop | self.do_initrd_path = False |
4327 | 973d7867 | Iustin Pop | |
4328 | 25c5878d | Alexander Schreiber | # boot order verification
|
4329 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order is not None: |
4330 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order != constants.VALUE_DEFAULT: |
4331 | 25c5878d | Alexander Schreiber | if len(self.hvm_boot_order.strip("acdn")) != 0: |
4332 | 25c5878d | Alexander Schreiber | raise errors.OpPrereqError("invalid boot order specified," |
4333 | 25c5878d | Alexander Schreiber | " must be one or more of [acdn]"
|
4334 | 25c5878d | Alexander Schreiber | " or 'default'")
|
4335 | 25c5878d | Alexander Schreiber | |
4336 | 31a853d2 | Iustin Pop | # hvm_cdrom_image_path verification
|
4337 | 31a853d2 | Iustin Pop | if self.op.hvm_cdrom_image_path is not None: |
4338 | 3fc175f0 | Alexander Schreiber | if not (os.path.isabs(self.op.hvm_cdrom_image_path) or |
4339 | 3fc175f0 | Alexander Schreiber | self.op.hvm_cdrom_image_path.lower() == "none"): |
4340 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The path to the HVM CDROM image must" |
4341 | 31a853d2 | Iustin Pop | " be an absolute path or None, not %s" %
|
4342 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
4343 | 3fc175f0 | Alexander Schreiber | if not (os.path.isfile(self.op.hvm_cdrom_image_path) or |
4344 | 3fc175f0 | Alexander Schreiber | self.op.hvm_cdrom_image_path.lower() == "none"): |
4345 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("The HVM CDROM image must either be a" |
4346 | 31a853d2 | Iustin Pop | " regular file or a symlink pointing to"
|
4347 | 31a853d2 | Iustin Pop | " an existing regular file, not %s" %
|
4348 | 31a853d2 | Iustin Pop | self.op.hvm_cdrom_image_path)
|
4349 | 31a853d2 | Iustin Pop | |
4350 | 31a853d2 | Iustin Pop | # vnc_bind_address verification
|
4351 | 31a853d2 | Iustin Pop | if self.op.vnc_bind_address is not None: |
4352 | 31a853d2 | Iustin Pop | if not utils.IsValidIP(self.op.vnc_bind_address): |
4353 | 31a853d2 | Iustin Pop | raise errors.OpPrereqError("given VNC bind address '%s' doesn't look" |
4354 | 31a853d2 | Iustin Pop | " like a valid IP address" %
|
4355 | 31a853d2 | Iustin Pop | self.op.vnc_bind_address)
|
4356 | 31a853d2 | Iustin Pop | |
4357 | cfefe007 | Guido Trotter | instance = self.instance = self.cfg.GetInstanceInfo(self.op.instance_name) |
4358 | 1a5c7281 | Guido Trotter | assert self.instance is not None, \ |
4359 | 1a5c7281 | Guido Trotter | "Cannot retrieve locked instance %s" % self.op.instance_name |
4360 | cfefe007 | Guido Trotter | self.warn = []
|
4361 | cfefe007 | Guido Trotter | if self.mem is not None and not self.force: |
4362 | cfefe007 | Guido Trotter | pnode = self.instance.primary_node
|
4363 | cfefe007 | Guido Trotter | nodelist = [pnode] |
4364 | cfefe007 | Guido Trotter | nodelist.extend(instance.secondary_nodes) |
4365 | cfefe007 | Guido Trotter | instance_info = rpc.call_instance_info(pnode, instance.name) |
4366 | cfefe007 | Guido Trotter | nodeinfo = rpc.call_node_info(nodelist, self.cfg.GetVGName())
|
4367 | cfefe007 | Guido Trotter | |
4368 | cfefe007 | Guido Trotter | if pnode not in nodeinfo or not isinstance(nodeinfo[pnode], dict): |
4369 | cfefe007 | Guido Trotter | # Assume the primary node is unreachable and go ahead
|
4370 | cfefe007 | Guido Trotter | self.warn.append("Can't get info from primary node %s" % pnode) |
4371 | cfefe007 | Guido Trotter | else:
|
4372 | cfefe007 | Guido Trotter | if instance_info:
|
4373 | cfefe007 | Guido Trotter | current_mem = instance_info['memory']
|
4374 | cfefe007 | Guido Trotter | else:
|
4375 | cfefe007 | Guido Trotter | # Assume instance not running
|
4376 | cfefe007 | Guido Trotter | # (there is a slight race condition here, but it's not very probable,
|
4377 | cfefe007 | Guido Trotter | # and we have no other way to check)
|
4378 | cfefe007 | Guido Trotter | current_mem = 0
|
4379 | cfefe007 | Guido Trotter | miss_mem = self.mem - current_mem - nodeinfo[pnode]['memory_free'] |
4380 | cfefe007 | Guido Trotter | if miss_mem > 0: |
4381 | cfefe007 | Guido Trotter | raise errors.OpPrereqError("This change will prevent the instance" |
4382 | cfefe007 | Guido Trotter | " from starting, due to %d MB of memory"
|
4383 | cfefe007 | Guido Trotter | " missing on its primary node" % miss_mem)
|
4384 | cfefe007 | Guido Trotter | |
4385 | cfefe007 | Guido Trotter | for node in instance.secondary_nodes: |
4386 | cfefe007 | Guido Trotter | if node not in nodeinfo or not isinstance(nodeinfo[node], dict): |
4387 | cfefe007 | Guido Trotter | self.warn.append("Can't get info from secondary node %s" % node) |
4388 | cfefe007 | Guido Trotter | elif self.mem > nodeinfo[node]['memory_free']: |
4389 | cfefe007 | Guido Trotter | self.warn.append("Not enough memory to failover instance to secondary" |
4390 | cfefe007 | Guido Trotter | " node %s" % node)
|
4391 | cfefe007 | Guido Trotter | |
4392 | 5bc84f33 | Alexander Schreiber | # Xen HVM device type checks
|
4393 | 5bc84f33 | Alexander Schreiber | if self.sstore.GetHypervisorType() == constants.HT_XEN_HVM31: |
4394 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_nic_type is not None: |
4395 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_nic_type not in constants.HT_HVM_VALID_NIC_TYPES: |
4396 | 5bc84f33 | Alexander Schreiber | raise errors.OpPrereqError("Invalid NIC type %s specified for Xen" |
4397 | 5bc84f33 | Alexander Schreiber | " HVM hypervisor" % self.op.hvm_nic_type) |
4398 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_disk_type is not None: |
4399 | 5bc84f33 | Alexander Schreiber | if self.op.hvm_disk_type not in constants.HT_HVM_VALID_DISK_TYPES: |
4400 | 5bc84f33 | Alexander Schreiber | raise errors.OpPrereqError("Invalid disk type %s specified for Xen" |
4401 | 5bc84f33 | Alexander Schreiber | " HVM hypervisor" % self.op.hvm_disk_type) |
4402 | 5bc84f33 | Alexander Schreiber | |
4403 | a8083063 | Iustin Pop | return
|
4404 | a8083063 | Iustin Pop | |
4405 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4406 | a8083063 | Iustin Pop | """Modifies an instance.
|
4407 | a8083063 | Iustin Pop |
|
4408 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
4409 | a8083063 | Iustin Pop | """
|
4410 | cfefe007 | Guido Trotter | # Process here the warnings from CheckPrereq, as we don't have a
|
4411 | cfefe007 | Guido Trotter | # feedback_fn there.
|
4412 | cfefe007 | Guido Trotter | for warn in self.warn: |
4413 | cfefe007 | Guido Trotter | feedback_fn("WARNING: %s" % warn)
|
4414 | cfefe007 | Guido Trotter | |
4415 | a8083063 | Iustin Pop | result = [] |
4416 | a8083063 | Iustin Pop | instance = self.instance
|
4417 | a8083063 | Iustin Pop | if self.mem: |
4418 | a8083063 | Iustin Pop | instance.memory = self.mem
|
4419 | a8083063 | Iustin Pop | result.append(("mem", self.mem)) |
4420 | a8083063 | Iustin Pop | if self.vcpus: |
4421 | a8083063 | Iustin Pop | instance.vcpus = self.vcpus
|
4422 | a8083063 | Iustin Pop | result.append(("vcpus", self.vcpus)) |
4423 | a8083063 | Iustin Pop | if self.do_ip: |
4424 | a8083063 | Iustin Pop | instance.nics[0].ip = self.ip |
4425 | a8083063 | Iustin Pop | result.append(("ip", self.ip)) |
4426 | a8083063 | Iustin Pop | if self.bridge: |
4427 | a8083063 | Iustin Pop | instance.nics[0].bridge = self.bridge |
4428 | a8083063 | Iustin Pop | result.append(("bridge", self.bridge)) |
4429 | 1862d460 | Alexander Schreiber | if self.mac: |
4430 | 1862d460 | Alexander Schreiber | instance.nics[0].mac = self.mac |
4431 | 1862d460 | Alexander Schreiber | result.append(("mac", self.mac)) |
4432 | 973d7867 | Iustin Pop | if self.do_kernel_path: |
4433 | 973d7867 | Iustin Pop | instance.kernel_path = self.kernel_path
|
4434 | 973d7867 | Iustin Pop | result.append(("kernel_path", self.kernel_path)) |
4435 | 973d7867 | Iustin Pop | if self.do_initrd_path: |
4436 | 973d7867 | Iustin Pop | instance.initrd_path = self.initrd_path
|
4437 | 973d7867 | Iustin Pop | result.append(("initrd_path", self.initrd_path)) |
4438 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order: |
4439 | 25c5878d | Alexander Schreiber | if self.hvm_boot_order == constants.VALUE_DEFAULT: |
4440 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = None
|
4441 | 25c5878d | Alexander Schreiber | else:
|
4442 | 25c5878d | Alexander Schreiber | instance.hvm_boot_order = self.hvm_boot_order
|
4443 | 25c5878d | Alexander Schreiber | result.append(("hvm_boot_order", self.hvm_boot_order)) |
4444 | 3fc175f0 | Alexander Schreiber | if self.hvm_acpi is not None: |
4445 | ec1ba002 | Iustin Pop | instance.hvm_acpi = self.hvm_acpi
|
4446 | 31a853d2 | Iustin Pop | result.append(("hvm_acpi", self.hvm_acpi)) |
4447 | 3fc175f0 | Alexander Schreiber | if self.hvm_pae is not None: |
4448 | ec1ba002 | Iustin Pop | instance.hvm_pae = self.hvm_pae
|
4449 | 31a853d2 | Iustin Pop | result.append(("hvm_pae", self.hvm_pae)) |
4450 | 5397e0b7 | Alexander Schreiber | if self.hvm_nic_type is not None: |
4451 | 5397e0b7 | Alexander Schreiber | instance.hvm_nic_type = self.hvm_nic_type
|
4452 | 5397e0b7 | Alexander Schreiber | result.append(("hvm_nic_type", self.hvm_nic_type)) |
4453 | 5397e0b7 | Alexander Schreiber | if self.hvm_disk_type is not None: |
4454 | 5397e0b7 | Alexander Schreiber | instance.hvm_disk_type = self.hvm_disk_type
|
4455 | 5397e0b7 | Alexander Schreiber | result.append(("hvm_disk_type", self.hvm_disk_type)) |
4456 | 31a853d2 | Iustin Pop | if self.hvm_cdrom_image_path: |
4457 | 3fc175f0 | Alexander Schreiber | if self.hvm_cdrom_image_path == constants.VALUE_NONE: |
4458 | 3fc175f0 | Alexander Schreiber | instance.hvm_cdrom_image_path = None
|
4459 | 3fc175f0 | Alexander Schreiber | else:
|
4460 | 3fc175f0 | Alexander Schreiber | instance.hvm_cdrom_image_path = self.hvm_cdrom_image_path
|
4461 | 31a853d2 | Iustin Pop | result.append(("hvm_cdrom_image_path", self.hvm_cdrom_image_path)) |
4462 | 31a853d2 | Iustin Pop | if self.vnc_bind_address: |
4463 | 31a853d2 | Iustin Pop | instance.vnc_bind_address = self.vnc_bind_address
|
4464 | 31a853d2 | Iustin Pop | result.append(("vnc_bind_address", self.vnc_bind_address)) |
4465 | a8083063 | Iustin Pop | |
4466 | ea94e1cd | Guido Trotter | self.cfg.Update(instance)
|
4467 | a8083063 | Iustin Pop | |
4468 | a8083063 | Iustin Pop | return result
|
4469 | a8083063 | Iustin Pop | |
4470 | a8083063 | Iustin Pop | |
4471 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
4472 | a8083063 | Iustin Pop | """Query the exports list
|
4473 | a8083063 | Iustin Pop |
|
4474 | a8083063 | Iustin Pop | """
|
4475 | 895ecd9c | Guido Trotter | _OP_REQP = ['nodes']
|
4476 | 21a15682 | Guido Trotter | REQ_BGL = False
|
4477 | 21a15682 | Guido Trotter | |
4478 | 21a15682 | Guido Trotter | def ExpandNames(self): |
4479 | 21a15682 | Guido Trotter | self.needed_locks = {}
|
4480 | 21a15682 | Guido Trotter | self.share_locks[locking.LEVEL_NODE] = 1 |
4481 | 21a15682 | Guido Trotter | if not self.op.nodes: |
4482 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = None |
4483 | 21a15682 | Guido Trotter | else:
|
4484 | 21a15682 | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = \
|
4485 | 21a15682 | Guido Trotter | _GetWantedNodes(self, self.op.nodes) |
4486 | a8083063 | Iustin Pop | |
4487 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4488 | 21a15682 | Guido Trotter | """Check prerequisites.
|
4489 | a8083063 | Iustin Pop |
|
4490 | a8083063 | Iustin Pop | """
|
4491 | 21a15682 | Guido Trotter | self.nodes = self.acquired_locks[locking.LEVEL_NODE] |
4492 | a8083063 | Iustin Pop | |
4493 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4494 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
4495 | a8083063 | Iustin Pop |
|
4496 | a8083063 | Iustin Pop | Returns:
|
4497 | a8083063 | Iustin Pop | a dictionary with the structure node->(export-list)
|
4498 | a8083063 | Iustin Pop | where export-list is a list of the instances exported on
|
4499 | a8083063 | Iustin Pop | that node.
|
4500 | a8083063 | Iustin Pop |
|
4501 | a8083063 | Iustin Pop | """
|
4502 | a7ba5e53 | Iustin Pop | return rpc.call_export_list(self.nodes) |
4503 | a8083063 | Iustin Pop | |
4504 | a8083063 | Iustin Pop | |
4505 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
4506 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4507 | a8083063 | Iustin Pop |
|
4508 | a8083063 | Iustin Pop | """
|
4509 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
4510 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4511 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
4512 | a8083063 | Iustin Pop | |
4513 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4514 | a8083063 | Iustin Pop | """Build hooks env.
|
4515 | a8083063 | Iustin Pop |
|
4516 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
4517 | a8083063 | Iustin Pop |
|
4518 | a8083063 | Iustin Pop | """
|
4519 | a8083063 | Iustin Pop | env = { |
4520 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
4521 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
4522 | a8083063 | Iustin Pop | } |
4523 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4524 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
4525 | a8083063 | Iustin Pop | self.op.target_node]
|
4526 | a8083063 | Iustin Pop | return env, nl, nl
|
4527 | a8083063 | Iustin Pop | |
4528 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4529 | a8083063 | Iustin Pop | """Check prerequisites.
|
4530 | a8083063 | Iustin Pop |
|
4531 | 9ac99fda | Guido Trotter | This checks that the instance and node names are valid.
|
4532 | a8083063 | Iustin Pop |
|
4533 | a8083063 | Iustin Pop | """
|
4534 | a8083063 | Iustin Pop | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4535 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
4536 | a8083063 | Iustin Pop | if self.instance is None: |
4537 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found" % |
4538 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
4539 | a8083063 | Iustin Pop | |
4540 | a8083063 | Iustin Pop | # node verification
|
4541 | a8083063 | Iustin Pop | dst_node_short = self.cfg.ExpandNodeName(self.op.target_node) |
4542 | a8083063 | Iustin Pop | self.dst_node = self.cfg.GetNodeInfo(dst_node_short) |
4543 | a8083063 | Iustin Pop | |
4544 | a8083063 | Iustin Pop | if self.dst_node is None: |
4545 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Destination node '%s' is unknown." % |
4546 | 3ecf6786 | Iustin Pop | self.op.target_node)
|
4547 | a8083063 | Iustin Pop | self.op.target_node = self.dst_node.name |
4548 | a8083063 | Iustin Pop | |
4549 | b6023d6c | Manuel Franceschini | # instance disk type verification
|
4550 | b6023d6c | Manuel Franceschini | for disk in self.instance.disks: |
4551 | b6023d6c | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
4552 | b6023d6c | Manuel Franceschini | raise errors.OpPrereqError("Export not supported for instances with" |
4553 | b6023d6c | Manuel Franceschini | " file-based disks")
|
4554 | b6023d6c | Manuel Franceschini | |
4555 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4556 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4557 | a8083063 | Iustin Pop |
|
4558 | a8083063 | Iustin Pop | """
|
4559 | a8083063 | Iustin Pop | instance = self.instance
|
4560 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
4561 | a8083063 | Iustin Pop | src_node = instance.primary_node |
4562 | a8083063 | Iustin Pop | if self.op.shutdown: |
4563 | fb300fb7 | Guido Trotter | # shutdown the instance, but not the disks
|
4564 | fb300fb7 | Guido Trotter | if not rpc.call_instance_shutdown(src_node, instance): |
4565 | 38206f3c | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
4566 | 38206f3c | Iustin Pop | (instance.name, src_node)) |
4567 | a8083063 | Iustin Pop | |
4568 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4569 | a8083063 | Iustin Pop | |
4570 | a8083063 | Iustin Pop | snap_disks = [] |
4571 | a8083063 | Iustin Pop | |
4572 | a8083063 | Iustin Pop | try:
|
4573 | a8083063 | Iustin Pop | for disk in instance.disks: |
4574 | a8083063 | Iustin Pop | if disk.iv_name == "sda": |
4575 | a8083063 | Iustin Pop | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
4576 | a8083063 | Iustin Pop | new_dev_name = rpc.call_blockdev_snapshot(src_node, disk) |
4577 | a8083063 | Iustin Pop | |
4578 | a8083063 | Iustin Pop | if not new_dev_name: |
4579 | a8083063 | Iustin Pop | logger.Error("could not snapshot block device %s on node %s" %
|
4580 | a8083063 | Iustin Pop | (disk.logical_id[1], src_node))
|
4581 | a8083063 | Iustin Pop | else:
|
4582 | fe96220b | Iustin Pop | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
4583 | a8083063 | Iustin Pop | logical_id=(vgname, new_dev_name), |
4584 | a8083063 | Iustin Pop | physical_id=(vgname, new_dev_name), |
4585 | a8083063 | Iustin Pop | iv_name=disk.iv_name) |
4586 | a8083063 | Iustin Pop | snap_disks.append(new_dev) |
4587 | a8083063 | Iustin Pop | |
4588 | a8083063 | Iustin Pop | finally:
|
4589 | fb300fb7 | Guido Trotter | if self.op.shutdown and instance.status == "up": |
4590 | fb300fb7 | Guido Trotter | if not rpc.call_instance_start(src_node, instance, None): |
4591 | fb300fb7 | Guido Trotter | _ShutdownInstanceDisks(instance, self.cfg)
|
4592 | fb300fb7 | Guido Trotter | raise errors.OpExecError("Could not start instance") |
4593 | a8083063 | Iustin Pop | |
4594 | a8083063 | Iustin Pop | # TODO: check for size
|
4595 | a8083063 | Iustin Pop | |
4596 | a8083063 | Iustin Pop | for dev in snap_disks: |
4597 | 16687b98 | Manuel Franceschini | if not rpc.call_snapshot_export(src_node, dev, dst_node.name, instance): |
4598 | 16687b98 | Manuel Franceschini | logger.Error("could not export block device %s from node %s to node %s"
|
4599 | 16687b98 | Manuel Franceschini | % (dev.logical_id[1], src_node, dst_node.name))
|
4600 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(src_node, dev): |
4601 | 16687b98 | Manuel Franceschini | logger.Error("could not remove snapshot block device %s from node %s" %
|
4602 | 16687b98 | Manuel Franceschini | (dev.logical_id[1], src_node))
|
4603 | a8083063 | Iustin Pop | |
4604 | a8083063 | Iustin Pop | if not rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
4605 | a8083063 | Iustin Pop | logger.Error("could not finalize export for instance %s on node %s" %
|
4606 | a8083063 | Iustin Pop | (instance.name, dst_node.name)) |
4607 | a8083063 | Iustin Pop | |
4608 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
4609 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
4610 | a8083063 | Iustin Pop | |
4611 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
4612 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
4613 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
4614 | a8083063 | Iustin Pop | if nodelist:
|
4615 | 204f2086 | Guido Trotter | exportlist = rpc.call_export_list(nodelist) |
4616 | a8083063 | Iustin Pop | for node in exportlist: |
4617 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
4618 | a8083063 | Iustin Pop | if not rpc.call_export_remove(node, instance.name): |
4619 | a8083063 | Iustin Pop | logger.Error("could not remove older export for instance %s"
|
4620 | a8083063 | Iustin Pop | " on node %s" % (instance.name, node))
|
4621 | 5c947f38 | Iustin Pop | |
4622 | 5c947f38 | Iustin Pop | |
4623 | 9ac99fda | Guido Trotter | class LURemoveExport(NoHooksLU): |
4624 | 9ac99fda | Guido Trotter | """Remove exports related to the named instance.
|
4625 | 9ac99fda | Guido Trotter |
|
4626 | 9ac99fda | Guido Trotter | """
|
4627 | 9ac99fda | Guido Trotter | _OP_REQP = ["instance_name"]
|
4628 | 9ac99fda | Guido Trotter | |
4629 | 9ac99fda | Guido Trotter | def CheckPrereq(self): |
4630 | 9ac99fda | Guido Trotter | """Check prerequisites.
|
4631 | 9ac99fda | Guido Trotter | """
|
4632 | 9ac99fda | Guido Trotter | pass
|
4633 | 9ac99fda | Guido Trotter | |
4634 | 9ac99fda | Guido Trotter | def Exec(self, feedback_fn): |
4635 | 9ac99fda | Guido Trotter | """Remove any export.
|
4636 | 9ac99fda | Guido Trotter |
|
4637 | 9ac99fda | Guido Trotter | """
|
4638 | 9ac99fda | Guido Trotter | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4639 | 9ac99fda | Guido Trotter | # If the instance was not found we'll try with the name that was passed in.
|
4640 | 9ac99fda | Guido Trotter | # This will only work if it was an FQDN, though.
|
4641 | 9ac99fda | Guido Trotter | fqdn_warn = False
|
4642 | 9ac99fda | Guido Trotter | if not instance_name: |
4643 | 9ac99fda | Guido Trotter | fqdn_warn = True
|
4644 | 9ac99fda | Guido Trotter | instance_name = self.op.instance_name
|
4645 | 9ac99fda | Guido Trotter | |
4646 | 204f2086 | Guido Trotter | exportlist = rpc.call_export_list(self.cfg.GetNodeList())
|
4647 | 9ac99fda | Guido Trotter | found = False
|
4648 | 9ac99fda | Guido Trotter | for node in exportlist: |
4649 | 9ac99fda | Guido Trotter | if instance_name in exportlist[node]: |
4650 | 9ac99fda | Guido Trotter | found = True
|
4651 | 9ac99fda | Guido Trotter | if not rpc.call_export_remove(node, instance_name): |
4652 | 9ac99fda | Guido Trotter | logger.Error("could not remove export for instance %s"
|
4653 | 9ac99fda | Guido Trotter | " on node %s" % (instance_name, node))
|
4654 | 9ac99fda | Guido Trotter | |
4655 | 9ac99fda | Guido Trotter | if fqdn_warn and not found: |
4656 | 9ac99fda | Guido Trotter | feedback_fn("Export not found. If trying to remove an export belonging"
|
4657 | 9ac99fda | Guido Trotter | " to a deleted instance please use its Fully Qualified"
|
4658 | 9ac99fda | Guido Trotter | " Domain Name.")
|
4659 | 9ac99fda | Guido Trotter | |
4660 | 9ac99fda | Guido Trotter | |
4661 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
4662 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
4663 | 5c947f38 | Iustin Pop |
|
4664 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
4665 | 5c947f38 | Iustin Pop |
|
4666 | 5c947f38 | Iustin Pop | """
|
4667 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4668 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4669 | 5c947f38 | Iustin Pop |
|
4670 | 5c947f38 | Iustin Pop | """
|
4671 | 5c947f38 | Iustin Pop | if self.op.kind == constants.TAG_CLUSTER: |
4672 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetClusterInfo() |
4673 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_NODE: |
4674 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
4675 | 5c947f38 | Iustin Pop | if name is None: |
4676 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
4677 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4678 | 5c947f38 | Iustin Pop | self.op.name = name
|
4679 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetNodeInfo(name) |
4680 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
4681 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
4682 | 5c947f38 | Iustin Pop | if name is None: |
4683 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
4684 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4685 | 5c947f38 | Iustin Pop | self.op.name = name
|
4686 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetInstanceInfo(name) |
4687 | 5c947f38 | Iustin Pop | else:
|
4688 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
4689 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
4690 | 5c947f38 | Iustin Pop | |
4691 | 5c947f38 | Iustin Pop | |
4692 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
4693 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
4694 | 5c947f38 | Iustin Pop |
|
4695 | 5c947f38 | Iustin Pop | """
|
4696 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
4697 | 5c947f38 | Iustin Pop | |
4698 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4699 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
4700 | 5c947f38 | Iustin Pop |
|
4701 | 5c947f38 | Iustin Pop | """
|
4702 | 5d414478 | Oleksiy Mishchenko | return list(self.target.GetTags()) |
4703 | 5c947f38 | Iustin Pop | |
4704 | 5c947f38 | Iustin Pop | |
4705 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
4706 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
4707 | 73415719 | Iustin Pop |
|
4708 | 73415719 | Iustin Pop | """
|
4709 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
4710 | 73415719 | Iustin Pop | |
4711 | 73415719 | Iustin Pop | def CheckPrereq(self): |
4712 | 73415719 | Iustin Pop | """Check prerequisites.
|
4713 | 73415719 | Iustin Pop |
|
4714 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
4715 | 73415719 | Iustin Pop |
|
4716 | 73415719 | Iustin Pop | """
|
4717 | 73415719 | Iustin Pop | try:
|
4718 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
4719 | 73415719 | Iustin Pop | except re.error, err:
|
4720 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
4721 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
4722 | 73415719 | Iustin Pop | |
4723 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
4724 | 73415719 | Iustin Pop | """Returns the tag list.
|
4725 | 73415719 | Iustin Pop |
|
4726 | 73415719 | Iustin Pop | """
|
4727 | 73415719 | Iustin Pop | cfg = self.cfg
|
4728 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
4729 | 73415719 | Iustin Pop | ilist = [cfg.GetInstanceInfo(name) for name in cfg.GetInstanceList()] |
4730 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
4731 | 73415719 | Iustin Pop | nlist = [cfg.GetNodeInfo(name) for name in cfg.GetNodeList()] |
4732 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
4733 | 73415719 | Iustin Pop | results = [] |
4734 | 73415719 | Iustin Pop | for path, target in tgts: |
4735 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
4736 | 73415719 | Iustin Pop | if self.re.search(tag): |
4737 | 73415719 | Iustin Pop | results.append((path, tag)) |
4738 | 73415719 | Iustin Pop | return results
|
4739 | 73415719 | Iustin Pop | |
4740 | 73415719 | Iustin Pop | |
4741 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
4742 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
4743 | 5c947f38 | Iustin Pop |
|
4744 | 5c947f38 | Iustin Pop | """
|
4745 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4746 | 5c947f38 | Iustin Pop | |
4747 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4748 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4749 | 5c947f38 | Iustin Pop |
|
4750 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
4751 | 5c947f38 | Iustin Pop |
|
4752 | 5c947f38 | Iustin Pop | """
|
4753 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4754 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4755 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4756 | 5c947f38 | Iustin Pop | |
4757 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4758 | 5c947f38 | Iustin Pop | """Sets the tag.
|
4759 | 5c947f38 | Iustin Pop |
|
4760 | 5c947f38 | Iustin Pop | """
|
4761 | 5c947f38 | Iustin Pop | try:
|
4762 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4763 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
4764 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
4765 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
4766 | 5c947f38 | Iustin Pop | try:
|
4767 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4768 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4769 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4770 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4771 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4772 | 5c947f38 | Iustin Pop | |
4773 | 5c947f38 | Iustin Pop | |
4774 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
4775 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
4776 | 5c947f38 | Iustin Pop |
|
4777 | 5c947f38 | Iustin Pop | """
|
4778 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4779 | 5c947f38 | Iustin Pop | |
4780 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4781 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4782 | 5c947f38 | Iustin Pop |
|
4783 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
4784 | 5c947f38 | Iustin Pop |
|
4785 | 5c947f38 | Iustin Pop | """
|
4786 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4787 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4788 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4789 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
4790 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
4791 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
4792 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
4793 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
4794 | f27302fa | Iustin Pop | diff_names.sort() |
4795 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
4796 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
4797 | 5c947f38 | Iustin Pop | |
4798 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4799 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
4800 | 5c947f38 | Iustin Pop |
|
4801 | 5c947f38 | Iustin Pop | """
|
4802 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4803 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
4804 | 5c947f38 | Iustin Pop | try:
|
4805 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4806 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4807 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4808 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4809 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4810 | 06009e27 | Iustin Pop | |
4811 | 0eed6e61 | Guido Trotter | |
4812 | 06009e27 | Iustin Pop | class LUTestDelay(NoHooksLU): |
4813 | 06009e27 | Iustin Pop | """Sleep for a specified amount of time.
|
4814 | 06009e27 | Iustin Pop |
|
4815 | 0b097284 | Guido Trotter | This LU sleeps on the master and/or nodes for a specified amount of
|
4816 | 06009e27 | Iustin Pop | time.
|
4817 | 06009e27 | Iustin Pop |
|
4818 | 06009e27 | Iustin Pop | """
|
4819 | 06009e27 | Iustin Pop | _OP_REQP = ["duration", "on_master", "on_nodes"] |
4820 | fbe9022f | Guido Trotter | REQ_BGL = False
|
4821 | 06009e27 | Iustin Pop | |
4822 | fbe9022f | Guido Trotter | def ExpandNames(self): |
4823 | fbe9022f | Guido Trotter | """Expand names and set required locks.
|
4824 | 06009e27 | Iustin Pop |
|
4825 | fbe9022f | Guido Trotter | This expands the node list, if any.
|
4826 | 06009e27 | Iustin Pop |
|
4827 | 06009e27 | Iustin Pop | """
|
4828 | fbe9022f | Guido Trotter | self.needed_locks = {}
|
4829 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
4830 | fbe9022f | Guido Trotter | # _GetWantedNodes can be used here, but is not always appropriate to use
|
4831 | fbe9022f | Guido Trotter | # this way in ExpandNames. Check LogicalUnit.ExpandNames docstring for
|
4832 | fbe9022f | Guido Trotter | # more information.
|
4833 | 06009e27 | Iustin Pop | self.op.on_nodes = _GetWantedNodes(self, self.op.on_nodes) |
4834 | fbe9022f | Guido Trotter | self.needed_locks[locking.LEVEL_NODE] = self.op.on_nodes |
4835 | fbe9022f | Guido Trotter | |
4836 | fbe9022f | Guido Trotter | def CheckPrereq(self): |
4837 | fbe9022f | Guido Trotter | """Check prerequisites.
|
4838 | fbe9022f | Guido Trotter |
|
4839 | fbe9022f | Guido Trotter | """
|
4840 | 06009e27 | Iustin Pop | |
4841 | 06009e27 | Iustin Pop | def Exec(self, feedback_fn): |
4842 | 06009e27 | Iustin Pop | """Do the actual sleep.
|
4843 | 06009e27 | Iustin Pop |
|
4844 | 06009e27 | Iustin Pop | """
|
4845 | 06009e27 | Iustin Pop | if self.op.on_master: |
4846 | 06009e27 | Iustin Pop | if not utils.TestDelay(self.op.duration): |
4847 | 06009e27 | Iustin Pop | raise errors.OpExecError("Error during master delay test") |
4848 | 06009e27 | Iustin Pop | if self.op.on_nodes: |
4849 | 06009e27 | Iustin Pop | result = rpc.call_test_delay(self.op.on_nodes, self.op.duration) |
4850 | 06009e27 | Iustin Pop | if not result: |
4851 | 06009e27 | Iustin Pop | raise errors.OpExecError("Complete failure from rpc call") |
4852 | 06009e27 | Iustin Pop | for node, node_result in result.items(): |
4853 | 06009e27 | Iustin Pop | if not node_result: |
4854 | 06009e27 | Iustin Pop | raise errors.OpExecError("Failure during rpc call to node %s," |
4855 | 06009e27 | Iustin Pop | " result: %s" % (node, node_result))
|
4856 | d61df03e | Iustin Pop | |
4857 | d61df03e | Iustin Pop | |
4858 | d1c2dd75 | Iustin Pop | class IAllocator(object): |
4859 | d1c2dd75 | Iustin Pop | """IAllocator framework.
|
4860 | d61df03e | Iustin Pop |
|
4861 | d1c2dd75 | Iustin Pop | An IAllocator instance has three sets of attributes:
|
4862 | d1c2dd75 | Iustin Pop | - cfg/sstore that are needed to query the cluster
|
4863 | d1c2dd75 | Iustin Pop | - input data (all members of the _KEYS class attribute are required)
|
4864 | d1c2dd75 | Iustin Pop | - four buffer attributes (in|out_data|text), that represent the
|
4865 | d1c2dd75 | Iustin Pop | input (to the external script) in text and data structure format,
|
4866 | d1c2dd75 | Iustin Pop | and the output from it, again in two formats
|
4867 | d1c2dd75 | Iustin Pop | - the result variables from the script (success, info, nodes) for
|
4868 | d1c2dd75 | Iustin Pop | easy usage
|
4869 | d61df03e | Iustin Pop |
|
4870 | d61df03e | Iustin Pop | """
|
4871 | 29859cb7 | Iustin Pop | _ALLO_KEYS = [ |
4872 | d1c2dd75 | Iustin Pop | "mem_size", "disks", "disk_template", |
4873 | d1c2dd75 | Iustin Pop | "os", "tags", "nics", "vcpus", |
4874 | d1c2dd75 | Iustin Pop | ] |
4875 | 29859cb7 | Iustin Pop | _RELO_KEYS = [ |
4876 | 29859cb7 | Iustin Pop | "relocate_from",
|
4877 | 29859cb7 | Iustin Pop | ] |
4878 | d1c2dd75 | Iustin Pop | |
4879 | 29859cb7 | Iustin Pop | def __init__(self, cfg, sstore, mode, name, **kwargs): |
4880 | d1c2dd75 | Iustin Pop | self.cfg = cfg
|
4881 | d1c2dd75 | Iustin Pop | self.sstore = sstore
|
4882 | d1c2dd75 | Iustin Pop | # init buffer variables
|
4883 | d1c2dd75 | Iustin Pop | self.in_text = self.out_text = self.in_data = self.out_data = None |
4884 | d1c2dd75 | Iustin Pop | # init all input fields so that pylint is happy
|
4885 | 29859cb7 | Iustin Pop | self.mode = mode
|
4886 | 29859cb7 | Iustin Pop | self.name = name
|
4887 | d1c2dd75 | Iustin Pop | self.mem_size = self.disks = self.disk_template = None |
4888 | d1c2dd75 | Iustin Pop | self.os = self.tags = self.nics = self.vcpus = None |
4889 | 29859cb7 | Iustin Pop | self.relocate_from = None |
4890 | 27579978 | Iustin Pop | # computed fields
|
4891 | 27579978 | Iustin Pop | self.required_nodes = None |
4892 | d1c2dd75 | Iustin Pop | # init result fields
|
4893 | d1c2dd75 | Iustin Pop | self.success = self.info = self.nodes = None |
4894 | 29859cb7 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
4895 | 29859cb7 | Iustin Pop | keyset = self._ALLO_KEYS
|
4896 | 29859cb7 | Iustin Pop | elif self.mode == constants.IALLOCATOR_MODE_RELOC: |
4897 | 29859cb7 | Iustin Pop | keyset = self._RELO_KEYS
|
4898 | 29859cb7 | Iustin Pop | else:
|
4899 | 29859cb7 | Iustin Pop | raise errors.ProgrammerError("Unknown mode '%s' passed to the" |
4900 | 29859cb7 | Iustin Pop | " IAllocator" % self.mode) |
4901 | d1c2dd75 | Iustin Pop | for key in kwargs: |
4902 | 29859cb7 | Iustin Pop | if key not in keyset: |
4903 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Invalid input parameter '%s' to" |
4904 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
4905 | d1c2dd75 | Iustin Pop | setattr(self, key, kwargs[key]) |
4906 | 29859cb7 | Iustin Pop | for key in keyset: |
4907 | d1c2dd75 | Iustin Pop | if key not in kwargs: |
4908 | d1c2dd75 | Iustin Pop | raise errors.ProgrammerError("Missing input parameter '%s' to" |
4909 | d1c2dd75 | Iustin Pop | " IAllocator" % key)
|
4910 | d1c2dd75 | Iustin Pop | self._BuildInputData()
|
4911 | d1c2dd75 | Iustin Pop | |
4912 | d1c2dd75 | Iustin Pop | def _ComputeClusterData(self): |
4913 | d1c2dd75 | Iustin Pop | """Compute the generic allocator input data.
|
4914 | d1c2dd75 | Iustin Pop |
|
4915 | d1c2dd75 | Iustin Pop | This is the data that is independent of the actual operation.
|
4916 | d1c2dd75 | Iustin Pop |
|
4917 | d1c2dd75 | Iustin Pop | """
|
4918 | d1c2dd75 | Iustin Pop | cfg = self.cfg
|
4919 | d1c2dd75 | Iustin Pop | # cluster data
|
4920 | d1c2dd75 | Iustin Pop | data = { |
4921 | d1c2dd75 | Iustin Pop | "version": 1, |
4922 | d1c2dd75 | Iustin Pop | "cluster_name": self.sstore.GetClusterName(), |
4923 | d1c2dd75 | Iustin Pop | "cluster_tags": list(cfg.GetClusterInfo().GetTags()), |
4924 | 6286519f | Iustin Pop | "hypervisor_type": self.sstore.GetHypervisorType(), |
4925 | d1c2dd75 | Iustin Pop | # we don't have job IDs
|
4926 | d61df03e | Iustin Pop | } |
4927 | d61df03e | Iustin Pop | |
4928 | 6286519f | Iustin Pop | i_list = [cfg.GetInstanceInfo(iname) for iname in cfg.GetInstanceList()] |
4929 | 6286519f | Iustin Pop | |
4930 | d1c2dd75 | Iustin Pop | # node data
|
4931 | d1c2dd75 | Iustin Pop | node_results = {} |
4932 | d1c2dd75 | Iustin Pop | node_list = cfg.GetNodeList() |
4933 | d1c2dd75 | Iustin Pop | node_data = rpc.call_node_info(node_list, cfg.GetVGName()) |
4934 | d1c2dd75 | Iustin Pop | for nname in node_list: |
4935 | d1c2dd75 | Iustin Pop | ninfo = cfg.GetNodeInfo(nname) |
4936 | d1c2dd75 | Iustin Pop | if nname not in node_data or not isinstance(node_data[nname], dict): |
4937 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't get data for node %s" % nname) |
4938 | d1c2dd75 | Iustin Pop | remote_info = node_data[nname] |
4939 | b2662e7f | Iustin Pop | for attr in ['memory_total', 'memory_free', 'memory_dom0', |
4940 | 4337cf1b | Iustin Pop | 'vg_size', 'vg_free', 'cpu_total']: |
4941 | d1c2dd75 | Iustin Pop | if attr not in remote_info: |
4942 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' didn't return attribute '%s'" % |
4943 | d1c2dd75 | Iustin Pop | (nname, attr)) |
4944 | d1c2dd75 | Iustin Pop | try:
|
4945 | b2662e7f | Iustin Pop | remote_info[attr] = int(remote_info[attr])
|
4946 | d1c2dd75 | Iustin Pop | except ValueError, err: |
4947 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Node '%s' returned invalid value for '%s':" |
4948 | d1c2dd75 | Iustin Pop | " %s" % (nname, attr, str(err))) |
4949 | 6286519f | Iustin Pop | # compute memory used by primary instances
|
4950 | 6286519f | Iustin Pop | i_p_mem = i_p_up_mem = 0
|
4951 | 6286519f | Iustin Pop | for iinfo in i_list: |
4952 | 6286519f | Iustin Pop | if iinfo.primary_node == nname:
|
4953 | 6286519f | Iustin Pop | i_p_mem += iinfo.memory |
4954 | 6286519f | Iustin Pop | if iinfo.status == "up": |
4955 | 6286519f | Iustin Pop | i_p_up_mem += iinfo.memory |
4956 | 6286519f | Iustin Pop | |
4957 | b2662e7f | Iustin Pop | # compute memory used by instances
|
4958 | d1c2dd75 | Iustin Pop | pnr = { |
4959 | d1c2dd75 | Iustin Pop | "tags": list(ninfo.GetTags()), |
4960 | b2662e7f | Iustin Pop | "total_memory": remote_info['memory_total'], |
4961 | b2662e7f | Iustin Pop | "reserved_memory": remote_info['memory_dom0'], |
4962 | b2662e7f | Iustin Pop | "free_memory": remote_info['memory_free'], |
4963 | 6286519f | Iustin Pop | "i_pri_memory": i_p_mem,
|
4964 | 6286519f | Iustin Pop | "i_pri_up_memory": i_p_up_mem,
|
4965 | b2662e7f | Iustin Pop | "total_disk": remote_info['vg_size'], |
4966 | b2662e7f | Iustin Pop | "free_disk": remote_info['vg_free'], |
4967 | d1c2dd75 | Iustin Pop | "primary_ip": ninfo.primary_ip,
|
4968 | d1c2dd75 | Iustin Pop | "secondary_ip": ninfo.secondary_ip,
|
4969 | 4337cf1b | Iustin Pop | "total_cpus": remote_info['cpu_total'], |
4970 | d1c2dd75 | Iustin Pop | } |
4971 | d1c2dd75 | Iustin Pop | node_results[nname] = pnr |
4972 | d1c2dd75 | Iustin Pop | data["nodes"] = node_results
|
4973 | d1c2dd75 | Iustin Pop | |
4974 | d1c2dd75 | Iustin Pop | # instance data
|
4975 | d1c2dd75 | Iustin Pop | instance_data = {} |
4976 | 6286519f | Iustin Pop | for iinfo in i_list: |
4977 | d1c2dd75 | Iustin Pop | nic_data = [{"mac": n.mac, "ip": n.ip, "bridge": n.bridge} |
4978 | d1c2dd75 | Iustin Pop | for n in iinfo.nics] |
4979 | d1c2dd75 | Iustin Pop | pir = { |
4980 | d1c2dd75 | Iustin Pop | "tags": list(iinfo.GetTags()), |
4981 | d1c2dd75 | Iustin Pop | "should_run": iinfo.status == "up", |
4982 | d1c2dd75 | Iustin Pop | "vcpus": iinfo.vcpus,
|
4983 | d1c2dd75 | Iustin Pop | "memory": iinfo.memory,
|
4984 | d1c2dd75 | Iustin Pop | "os": iinfo.os,
|
4985 | d1c2dd75 | Iustin Pop | "nodes": [iinfo.primary_node] + list(iinfo.secondary_nodes), |
4986 | d1c2dd75 | Iustin Pop | "nics": nic_data,
|
4987 | d1c2dd75 | Iustin Pop | "disks": [{"size": dsk.size, "mode": "w"} for dsk in iinfo.disks], |
4988 | d1c2dd75 | Iustin Pop | "disk_template": iinfo.disk_template,
|
4989 | d1c2dd75 | Iustin Pop | } |
4990 | 768f0a80 | Iustin Pop | instance_data[iinfo.name] = pir |
4991 | d61df03e | Iustin Pop | |
4992 | d1c2dd75 | Iustin Pop | data["instances"] = instance_data
|
4993 | d61df03e | Iustin Pop | |
4994 | d1c2dd75 | Iustin Pop | self.in_data = data
|
4995 | d61df03e | Iustin Pop | |
4996 | d1c2dd75 | Iustin Pop | def _AddNewInstance(self): |
4997 | d1c2dd75 | Iustin Pop | """Add new instance data to allocator structure.
|
4998 | d61df03e | Iustin Pop |
|
4999 | d1c2dd75 | Iustin Pop | This in combination with _AllocatorGetClusterData will create the
|
5000 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
5001 | d61df03e | Iustin Pop |
|
5002 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
5003 | d1c2dd75 | Iustin Pop | done.
|
5004 | d61df03e | Iustin Pop |
|
5005 | d1c2dd75 | Iustin Pop | """
|
5006 | d1c2dd75 | Iustin Pop | data = self.in_data
|
5007 | d1c2dd75 | Iustin Pop | if len(self.disks) != 2: |
5008 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Only two-disk configurations supported") |
5009 | d1c2dd75 | Iustin Pop | |
5010 | d1c2dd75 | Iustin Pop | disk_space = _ComputeDiskSize(self.disk_template,
|
5011 | d1c2dd75 | Iustin Pop | self.disks[0]["size"], self.disks[1]["size"]) |
5012 | d1c2dd75 | Iustin Pop | |
5013 | 27579978 | Iustin Pop | if self.disk_template in constants.DTS_NET_MIRROR: |
5014 | 27579978 | Iustin Pop | self.required_nodes = 2 |
5015 | 27579978 | Iustin Pop | else:
|
5016 | 27579978 | Iustin Pop | self.required_nodes = 1 |
5017 | d1c2dd75 | Iustin Pop | request = { |
5018 | d1c2dd75 | Iustin Pop | "type": "allocate", |
5019 | d1c2dd75 | Iustin Pop | "name": self.name, |
5020 | d1c2dd75 | Iustin Pop | "disk_template": self.disk_template, |
5021 | d1c2dd75 | Iustin Pop | "tags": self.tags, |
5022 | d1c2dd75 | Iustin Pop | "os": self.os, |
5023 | d1c2dd75 | Iustin Pop | "vcpus": self.vcpus, |
5024 | d1c2dd75 | Iustin Pop | "memory": self.mem_size, |
5025 | d1c2dd75 | Iustin Pop | "disks": self.disks, |
5026 | d1c2dd75 | Iustin Pop | "disk_space_total": disk_space,
|
5027 | d1c2dd75 | Iustin Pop | "nics": self.nics, |
5028 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
5029 | d1c2dd75 | Iustin Pop | } |
5030 | d1c2dd75 | Iustin Pop | data["request"] = request
|
5031 | 298fe380 | Iustin Pop | |
5032 | d1c2dd75 | Iustin Pop | def _AddRelocateInstance(self): |
5033 | d1c2dd75 | Iustin Pop | """Add relocate instance data to allocator structure.
|
5034 | 298fe380 | Iustin Pop |
|
5035 | d1c2dd75 | Iustin Pop | This in combination with _IAllocatorGetClusterData will create the
|
5036 | d1c2dd75 | Iustin Pop | correct structure needed as input for the allocator.
|
5037 | d61df03e | Iustin Pop |
|
5038 | d1c2dd75 | Iustin Pop | The checks for the completeness of the opcode must have already been
|
5039 | d1c2dd75 | Iustin Pop | done.
|
5040 | d61df03e | Iustin Pop |
|
5041 | d1c2dd75 | Iustin Pop | """
|
5042 | 27579978 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.name) |
5043 | 27579978 | Iustin Pop | if instance is None: |
5044 | 27579978 | Iustin Pop | raise errors.ProgrammerError("Unknown instance '%s' passed to" |
5045 | 27579978 | Iustin Pop | " IAllocator" % self.name) |
5046 | 27579978 | Iustin Pop | |
5047 | 27579978 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
5048 | 27579978 | Iustin Pop | raise errors.OpPrereqError("Can't relocate non-mirrored instances") |
5049 | 27579978 | Iustin Pop | |
5050 | 2a139bb0 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
5051 | 2a139bb0 | Iustin Pop | raise errors.OpPrereqError("Instance has not exactly one secondary node") |
5052 | 2a139bb0 | Iustin Pop | |
5053 | 27579978 | Iustin Pop | self.required_nodes = 1 |
5054 | 27579978 | Iustin Pop | |
5055 | 27579978 | Iustin Pop | disk_space = _ComputeDiskSize(instance.disk_template, |
5056 | 27579978 | Iustin Pop | instance.disks[0].size,
|
5057 | 27579978 | Iustin Pop | instance.disks[1].size)
|
5058 | 27579978 | Iustin Pop | |
5059 | d1c2dd75 | Iustin Pop | request = { |
5060 | 2a139bb0 | Iustin Pop | "type": "relocate", |
5061 | d1c2dd75 | Iustin Pop | "name": self.name, |
5062 | 27579978 | Iustin Pop | "disk_space_total": disk_space,
|
5063 | 27579978 | Iustin Pop | "required_nodes": self.required_nodes, |
5064 | 29859cb7 | Iustin Pop | "relocate_from": self.relocate_from, |
5065 | d1c2dd75 | Iustin Pop | } |
5066 | 27579978 | Iustin Pop | self.in_data["request"] = request |
5067 | d61df03e | Iustin Pop | |
5068 | d1c2dd75 | Iustin Pop | def _BuildInputData(self): |
5069 | d1c2dd75 | Iustin Pop | """Build input data structures.
|
5070 | d61df03e | Iustin Pop |
|
5071 | d1c2dd75 | Iustin Pop | """
|
5072 | d1c2dd75 | Iustin Pop | self._ComputeClusterData()
|
5073 | d61df03e | Iustin Pop | |
5074 | d1c2dd75 | Iustin Pop | if self.mode == constants.IALLOCATOR_MODE_ALLOC: |
5075 | d1c2dd75 | Iustin Pop | self._AddNewInstance()
|
5076 | d1c2dd75 | Iustin Pop | else:
|
5077 | d1c2dd75 | Iustin Pop | self._AddRelocateInstance()
|
5078 | d61df03e | Iustin Pop | |
5079 | d1c2dd75 | Iustin Pop | self.in_text = serializer.Dump(self.in_data) |
5080 | d61df03e | Iustin Pop | |
5081 | 8d528b7c | Iustin Pop | def Run(self, name, validate=True, call_fn=rpc.call_iallocator_runner): |
5082 | d1c2dd75 | Iustin Pop | """Run an instance allocator and return the results.
|
5083 | 298fe380 | Iustin Pop |
|
5084 | d1c2dd75 | Iustin Pop | """
|
5085 | d1c2dd75 | Iustin Pop | data = self.in_text
|
5086 | 298fe380 | Iustin Pop | |
5087 | 8d528b7c | Iustin Pop | result = call_fn(self.sstore.GetMasterNode(), name, self.in_text) |
5088 | 298fe380 | Iustin Pop | |
5089 | 8d528b7c | Iustin Pop | if not isinstance(result, tuple) or len(result) != 4: |
5090 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Invalid result from master iallocator runner") |
5091 | 8d528b7c | Iustin Pop | |
5092 | 8d528b7c | Iustin Pop | rcode, stdout, stderr, fail = result |
5093 | 8d528b7c | Iustin Pop | |
5094 | 8d528b7c | Iustin Pop | if rcode == constants.IARUN_NOTFOUND:
|
5095 | 8d528b7c | Iustin Pop | raise errors.OpExecError("Can't find allocator '%s'" % name) |
5096 | 8d528b7c | Iustin Pop | elif rcode == constants.IARUN_FAILURE:
|
5097 | 38206f3c | Iustin Pop | raise errors.OpExecError("Instance allocator call failed: %s," |
5098 | 38206f3c | Iustin Pop | " output: %s" % (fail, stdout+stderr))
|
5099 | 8d528b7c | Iustin Pop | self.out_text = stdout
|
5100 | d1c2dd75 | Iustin Pop | if validate:
|
5101 | d1c2dd75 | Iustin Pop | self._ValidateResult()
|
5102 | 298fe380 | Iustin Pop | |
5103 | d1c2dd75 | Iustin Pop | def _ValidateResult(self): |
5104 | d1c2dd75 | Iustin Pop | """Process the allocator results.
|
5105 | 538475ca | Iustin Pop |
|
5106 | d1c2dd75 | Iustin Pop | This will process and if successful save the result in
|
5107 | d1c2dd75 | Iustin Pop | self.out_data and the other parameters.
|
5108 | 538475ca | Iustin Pop |
|
5109 | d1c2dd75 | Iustin Pop | """
|
5110 | d1c2dd75 | Iustin Pop | try:
|
5111 | d1c2dd75 | Iustin Pop | rdict = serializer.Load(self.out_text)
|
5112 | d1c2dd75 | Iustin Pop | except Exception, err: |
5113 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: %s" % str(err)) |
5114 | d1c2dd75 | Iustin Pop | |
5115 | d1c2dd75 | Iustin Pop | if not isinstance(rdict, dict): |
5116 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: not a dict") |
5117 | 538475ca | Iustin Pop | |
5118 | d1c2dd75 | Iustin Pop | for key in "success", "info", "nodes": |
5119 | d1c2dd75 | Iustin Pop | if key not in rdict: |
5120 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results:" |
5121 | d1c2dd75 | Iustin Pop | " missing key '%s'" % key)
|
5122 | d1c2dd75 | Iustin Pop | setattr(self, key, rdict[key]) |
5123 | 538475ca | Iustin Pop | |
5124 | d1c2dd75 | Iustin Pop | if not isinstance(rdict["nodes"], list): |
5125 | d1c2dd75 | Iustin Pop | raise errors.OpExecError("Can't parse iallocator results: 'nodes' key" |
5126 | d1c2dd75 | Iustin Pop | " is not a list")
|
5127 | d1c2dd75 | Iustin Pop | self.out_data = rdict
|
5128 | 538475ca | Iustin Pop | |
5129 | 538475ca | Iustin Pop | |
5130 | d61df03e | Iustin Pop | class LUTestAllocator(NoHooksLU): |
5131 | d61df03e | Iustin Pop | """Run allocator tests.
|
5132 | d61df03e | Iustin Pop |
|
5133 | d61df03e | Iustin Pop | This LU runs the allocator tests
|
5134 | d61df03e | Iustin Pop |
|
5135 | d61df03e | Iustin Pop | """
|
5136 | d61df03e | Iustin Pop | _OP_REQP = ["direction", "mode", "name"] |
5137 | d61df03e | Iustin Pop | |
5138 | d61df03e | Iustin Pop | def CheckPrereq(self): |
5139 | d61df03e | Iustin Pop | """Check prerequisites.
|
5140 | d61df03e | Iustin Pop |
|
5141 | d61df03e | Iustin Pop | This checks the opcode parameters depending on the director and mode test.
|
5142 | d61df03e | Iustin Pop |
|
5143 | d61df03e | Iustin Pop | """
|
5144 | 298fe380 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5145 | d61df03e | Iustin Pop | for attr in ["name", "mem_size", "disks", "disk_template", |
5146 | d61df03e | Iustin Pop | "os", "tags", "nics", "vcpus"]: |
5147 | d61df03e | Iustin Pop | if not hasattr(self.op, attr): |
5148 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute '%s' on opcode input" % |
5149 | d61df03e | Iustin Pop | attr) |
5150 | d61df03e | Iustin Pop | iname = self.cfg.ExpandInstanceName(self.op.name) |
5151 | d61df03e | Iustin Pop | if iname is not None: |
5152 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' already in the cluster" % |
5153 | d61df03e | Iustin Pop | iname) |
5154 | d61df03e | Iustin Pop | if not isinstance(self.op.nics, list): |
5155 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'nics'") |
5156 | d61df03e | Iustin Pop | for row in self.op.nics: |
5157 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
5158 | d61df03e | Iustin Pop | "mac" not in row or |
5159 | d61df03e | Iustin Pop | "ip" not in row or |
5160 | d61df03e | Iustin Pop | "bridge" not in row): |
5161 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
5162 | d61df03e | Iustin Pop | " 'nics' parameter")
|
5163 | d61df03e | Iustin Pop | if not isinstance(self.op.disks, list): |
5164 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid parameter 'disks'") |
5165 | 298fe380 | Iustin Pop | if len(self.op.disks) != 2: |
5166 | 298fe380 | Iustin Pop | raise errors.OpPrereqError("Only two-disk configurations supported") |
5167 | d61df03e | Iustin Pop | for row in self.op.disks: |
5168 | d61df03e | Iustin Pop | if (not isinstance(row, dict) or |
5169 | d61df03e | Iustin Pop | "size" not in row or |
5170 | d61df03e | Iustin Pop | not isinstance(row["size"], int) or |
5171 | d61df03e | Iustin Pop | "mode" not in row or |
5172 | d61df03e | Iustin Pop | row["mode"] not in ['r', 'w']): |
5173 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid contents of the" |
5174 | d61df03e | Iustin Pop | " 'disks' parameter")
|
5175 | 298fe380 | Iustin Pop | elif self.op.mode == constants.IALLOCATOR_MODE_RELOC: |
5176 | d61df03e | Iustin Pop | if not hasattr(self.op, "name"): |
5177 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing attribute 'name' on opcode input") |
5178 | d61df03e | Iustin Pop | fname = self.cfg.ExpandInstanceName(self.op.name) |
5179 | d61df03e | Iustin Pop | if fname is None: |
5180 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found for relocation" % |
5181 | d61df03e | Iustin Pop | self.op.name)
|
5182 | d61df03e | Iustin Pop | self.op.name = fname
|
5183 | 29859cb7 | Iustin Pop | self.relocate_from = self.cfg.GetInstanceInfo(fname).secondary_nodes |
5184 | d61df03e | Iustin Pop | else:
|
5185 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Invalid test allocator mode '%s'" % |
5186 | d61df03e | Iustin Pop | self.op.mode)
|
5187 | d61df03e | Iustin Pop | |
5188 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_OUT: |
5189 | 298fe380 | Iustin Pop | if not hasattr(self.op, "allocator") or self.op.allocator is None: |
5190 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Missing allocator name") |
5191 | 298fe380 | Iustin Pop | elif self.op.direction != constants.IALLOCATOR_DIR_IN: |
5192 | d61df03e | Iustin Pop | raise errors.OpPrereqError("Wrong allocator test '%s'" % |
5193 | d61df03e | Iustin Pop | self.op.direction)
|
5194 | d61df03e | Iustin Pop | |
5195 | d61df03e | Iustin Pop | def Exec(self, feedback_fn): |
5196 | d61df03e | Iustin Pop | """Run the allocator test.
|
5197 | d61df03e | Iustin Pop |
|
5198 | d61df03e | Iustin Pop | """
|
5199 | 29859cb7 | Iustin Pop | if self.op.mode == constants.IALLOCATOR_MODE_ALLOC: |
5200 | 29859cb7 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
5201 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5202 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5203 | 29859cb7 | Iustin Pop | mem_size=self.op.mem_size,
|
5204 | 29859cb7 | Iustin Pop | disks=self.op.disks,
|
5205 | 29859cb7 | Iustin Pop | disk_template=self.op.disk_template,
|
5206 | 29859cb7 | Iustin Pop | os=self.op.os,
|
5207 | 29859cb7 | Iustin Pop | tags=self.op.tags,
|
5208 | 29859cb7 | Iustin Pop | nics=self.op.nics,
|
5209 | 29859cb7 | Iustin Pop | vcpus=self.op.vcpus,
|
5210 | 29859cb7 | Iustin Pop | ) |
5211 | 29859cb7 | Iustin Pop | else:
|
5212 | 29859cb7 | Iustin Pop | ial = IAllocator(self.cfg, self.sstore, |
5213 | 29859cb7 | Iustin Pop | mode=self.op.mode,
|
5214 | 29859cb7 | Iustin Pop | name=self.op.name,
|
5215 | 29859cb7 | Iustin Pop | relocate_from=list(self.relocate_from), |
5216 | 29859cb7 | Iustin Pop | ) |
5217 | d61df03e | Iustin Pop | |
5218 | 298fe380 | Iustin Pop | if self.op.direction == constants.IALLOCATOR_DIR_IN: |
5219 | d1c2dd75 | Iustin Pop | result = ial.in_text |
5220 | 298fe380 | Iustin Pop | else:
|
5221 | d1c2dd75 | Iustin Pop | ial.Run(self.op.allocator, validate=False) |
5222 | d1c2dd75 | Iustin Pop | result = ial.out_text |
5223 | 298fe380 | Iustin Pop | return result |