root / lib / cmdlib.py @ 2584d4a4
History | View | Annotate | Download (145.6 kB)
1 | 2f31098c | Iustin Pop | #
|
---|---|---|---|
2 | a8083063 | Iustin Pop | #
|
3 | a8083063 | Iustin Pop | |
4 | a8083063 | Iustin Pop | # Copyright (C) 2006, 2007 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 | a8083063 | Iustin Pop | from ganeti import config |
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 | a8083063 | Iustin Pop | from ganeti import ssconf |
45 | a8083063 | Iustin Pop | |
46 | a8083063 | Iustin Pop | class LogicalUnit(object): |
47 | 396e1b78 | Michael Hanselmann | """Logical Unit base class.
|
48 | a8083063 | Iustin Pop |
|
49 | a8083063 | Iustin Pop | Subclasses must follow these rules:
|
50 | a8083063 | Iustin Pop | - implement CheckPrereq which also fills in the opcode instance
|
51 | a8083063 | Iustin Pop | with all the fields (even if as None)
|
52 | a8083063 | Iustin Pop | - implement Exec
|
53 | a8083063 | Iustin Pop | - implement BuildHooksEnv
|
54 | a8083063 | Iustin Pop | - redefine HPATH and HTYPE
|
55 | a8083063 | Iustin Pop | - optionally redefine their run requirements (REQ_CLUSTER,
|
56 | a8083063 | Iustin Pop | REQ_MASTER); note that all commands require root permissions
|
57 | a8083063 | Iustin Pop |
|
58 | a8083063 | Iustin Pop | """
|
59 | a8083063 | Iustin Pop | HPATH = None
|
60 | a8083063 | Iustin Pop | HTYPE = None
|
61 | a8083063 | Iustin Pop | _OP_REQP = [] |
62 | a8083063 | Iustin Pop | REQ_CLUSTER = True
|
63 | a8083063 | Iustin Pop | REQ_MASTER = True
|
64 | a8083063 | Iustin Pop | |
65 | a8083063 | Iustin Pop | def __init__(self, processor, op, cfg, sstore): |
66 | a8083063 | Iustin Pop | """Constructor for LogicalUnit.
|
67 | a8083063 | Iustin Pop |
|
68 | a8083063 | Iustin Pop | This needs to be overriden in derived classes in order to check op
|
69 | a8083063 | Iustin Pop | validity.
|
70 | a8083063 | Iustin Pop |
|
71 | a8083063 | Iustin Pop | """
|
72 | 5bfac263 | Iustin Pop | self.proc = processor
|
73 | a8083063 | Iustin Pop | self.op = op
|
74 | a8083063 | Iustin Pop | self.cfg = cfg
|
75 | a8083063 | Iustin Pop | self.sstore = sstore
|
76 | a8083063 | Iustin Pop | for attr_name in self._OP_REQP: |
77 | a8083063 | Iustin Pop | attr_val = getattr(op, attr_name, None) |
78 | a8083063 | Iustin Pop | if attr_val is None: |
79 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Required parameter '%s' missing" % |
80 | 3ecf6786 | Iustin Pop | attr_name) |
81 | a8083063 | Iustin Pop | if self.REQ_CLUSTER: |
82 | a8083063 | Iustin Pop | if not cfg.IsCluster(): |
83 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cluster not initialized yet," |
84 | 3ecf6786 | Iustin Pop | " use 'gnt-cluster init' first.")
|
85 | a8083063 | Iustin Pop | if self.REQ_MASTER: |
86 | 880478f8 | Iustin Pop | master = sstore.GetMasterNode() |
87 | 89e1fc26 | Iustin Pop | if master != utils.HostInfo().name:
|
88 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Commands must be run on the master" |
89 | 3ecf6786 | Iustin Pop | " node %s" % master)
|
90 | a8083063 | Iustin Pop | |
91 | a8083063 | Iustin Pop | def CheckPrereq(self): |
92 | a8083063 | Iustin Pop | """Check prerequisites for this LU.
|
93 | a8083063 | Iustin Pop |
|
94 | a8083063 | Iustin Pop | This method should check that the prerequisites for the execution
|
95 | a8083063 | Iustin Pop | of this LU are fulfilled. It can do internode communication, but
|
96 | a8083063 | Iustin Pop | it should be idempotent - no cluster or system changes are
|
97 | a8083063 | Iustin Pop | allowed.
|
98 | a8083063 | Iustin Pop |
|
99 | a8083063 | Iustin Pop | The method should raise errors.OpPrereqError in case something is
|
100 | a8083063 | Iustin Pop | not fulfilled. Its return value is ignored.
|
101 | a8083063 | Iustin Pop |
|
102 | a8083063 | Iustin Pop | This method should also update all the parameters of the opcode to
|
103 | a8083063 | Iustin Pop | their canonical form; e.g. a short node name must be fully
|
104 | a8083063 | Iustin Pop | expanded after this method has successfully completed (so that
|
105 | a8083063 | Iustin Pop | hooks, logging, etc. work correctly).
|
106 | a8083063 | Iustin Pop |
|
107 | a8083063 | Iustin Pop | """
|
108 | a8083063 | Iustin Pop | raise NotImplementedError |
109 | a8083063 | Iustin Pop | |
110 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
111 | a8083063 | Iustin Pop | """Execute the LU.
|
112 | a8083063 | Iustin Pop |
|
113 | a8083063 | Iustin Pop | This method should implement the actual work. It should raise
|
114 | a8083063 | Iustin Pop | errors.OpExecError for failures that are somewhat dealt with in
|
115 | a8083063 | Iustin Pop | code, or expected.
|
116 | a8083063 | Iustin Pop |
|
117 | a8083063 | Iustin Pop | """
|
118 | a8083063 | Iustin Pop | raise NotImplementedError |
119 | a8083063 | Iustin Pop | |
120 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
121 | a8083063 | Iustin Pop | """Build hooks environment for this LU.
|
122 | a8083063 | Iustin Pop |
|
123 | a8083063 | Iustin Pop | This method should return a three-node tuple consisting of: a dict
|
124 | a8083063 | Iustin Pop | containing the environment that will be used for running the
|
125 | a8083063 | Iustin Pop | specific hook for this LU, a list of node names on which the hook
|
126 | a8083063 | Iustin Pop | should run before the execution, and a list of node names on which
|
127 | a8083063 | Iustin Pop | the hook should run after the execution.
|
128 | a8083063 | Iustin Pop |
|
129 | a8083063 | Iustin Pop | The keys of the dict must not have 'GANETI_' prefixed as this will
|
130 | a8083063 | Iustin Pop | be handled in the hooks runner. Also note additional keys will be
|
131 | a8083063 | Iustin Pop | added by the hooks runner. If the LU doesn't define any
|
132 | a8083063 | Iustin Pop | environment, an empty dict (and not None) should be returned.
|
133 | a8083063 | Iustin Pop |
|
134 | a8083063 | Iustin Pop | As for the node lists, the master should not be included in the
|
135 | a8083063 | Iustin Pop | them, as it will be added by the hooks runner in case this LU
|
136 | a8083063 | Iustin Pop | requires a cluster to run on (otherwise we don't have a node
|
137 | a8083063 | Iustin Pop | list). No nodes should be returned as an empty list (and not
|
138 | a8083063 | Iustin Pop | None).
|
139 | a8083063 | Iustin Pop |
|
140 | a8083063 | Iustin Pop | Note that if the HPATH for a LU class is None, this function will
|
141 | a8083063 | Iustin Pop | not be called.
|
142 | a8083063 | Iustin Pop |
|
143 | a8083063 | Iustin Pop | """
|
144 | a8083063 | Iustin Pop | raise NotImplementedError |
145 | a8083063 | Iustin Pop | |
146 | a8083063 | Iustin Pop | |
147 | a8083063 | Iustin Pop | class NoHooksLU(LogicalUnit): |
148 | a8083063 | Iustin Pop | """Simple LU which runs no hooks.
|
149 | a8083063 | Iustin Pop |
|
150 | a8083063 | Iustin Pop | This LU is intended as a parent for other LogicalUnits which will
|
151 | a8083063 | Iustin Pop | run no hooks, in order to reduce duplicate code.
|
152 | a8083063 | Iustin Pop |
|
153 | a8083063 | Iustin Pop | """
|
154 | a8083063 | Iustin Pop | HPATH = None
|
155 | a8083063 | Iustin Pop | HTYPE = None
|
156 | a8083063 | Iustin Pop | |
157 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
158 | a8083063 | Iustin Pop | """Build hooks env.
|
159 | a8083063 | Iustin Pop |
|
160 | a8083063 | Iustin Pop | This is a no-op, since we don't run hooks.
|
161 | a8083063 | Iustin Pop |
|
162 | a8083063 | Iustin Pop | """
|
163 | 0e137c28 | Iustin Pop | return {}, [], []
|
164 | a8083063 | Iustin Pop | |
165 | a8083063 | Iustin Pop | |
166 | 9440aeab | Michael Hanselmann | def _AddHostToEtcHosts(hostname): |
167 | 9440aeab | Michael Hanselmann | """Wrapper around utils.SetEtcHostsEntry.
|
168 | 9440aeab | Michael Hanselmann |
|
169 | 9440aeab | Michael Hanselmann | """
|
170 | 9440aeab | Michael Hanselmann | hi = utils.HostInfo(name=hostname) |
171 | 9440aeab | Michael Hanselmann | utils.SetEtcHostsEntry(constants.ETC_HOSTS, hi.ip, hi.name, [hi.ShortName()]) |
172 | 9440aeab | Michael Hanselmann | |
173 | 9440aeab | Michael Hanselmann | |
174 | c8a0948f | Michael Hanselmann | def _RemoveHostFromEtcHosts(hostname): |
175 | 9440aeab | Michael Hanselmann | """Wrapper around utils.RemoveEtcHostsEntry.
|
176 | c8a0948f | Michael Hanselmann |
|
177 | c8a0948f | Michael Hanselmann | """
|
178 | c8a0948f | Michael Hanselmann | hi = utils.HostInfo(name=hostname) |
179 | c8a0948f | Michael Hanselmann | utils.RemoveEtcHostsEntry(constants.ETC_HOSTS, hi.name) |
180 | c8a0948f | Michael Hanselmann | utils.RemoveEtcHostsEntry(constants.ETC_HOSTS, hi.ShortName()) |
181 | c8a0948f | Michael Hanselmann | |
182 | c8a0948f | Michael Hanselmann | |
183 | dcb93971 | Michael Hanselmann | def _GetWantedNodes(lu, nodes): |
184 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded node names.
|
185 | 83120a01 | Michael Hanselmann |
|
186 | 83120a01 | Michael Hanselmann | Args:
|
187 | 83120a01 | Michael Hanselmann | nodes: List of nodes (strings) or None for all
|
188 | 83120a01 | Michael Hanselmann |
|
189 | 83120a01 | Michael Hanselmann | """
|
190 | 3312b702 | Iustin Pop | if not isinstance(nodes, list): |
191 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'nodes'") |
192 | dcb93971 | Michael Hanselmann | |
193 | dcb93971 | Michael Hanselmann | if nodes:
|
194 | 3312b702 | Iustin Pop | wanted = [] |
195 | dcb93971 | Michael Hanselmann | |
196 | dcb93971 | Michael Hanselmann | for name in nodes: |
197 | a7ba5e53 | Iustin Pop | node = lu.cfg.ExpandNodeName(name) |
198 | dcb93971 | Michael Hanselmann | if node is None: |
199 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such node name '%s'" % name) |
200 | 3312b702 | Iustin Pop | wanted.append(node) |
201 | dcb93971 | Michael Hanselmann | |
202 | dcb93971 | Michael Hanselmann | else:
|
203 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetNodeList() |
204 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
205 | 3312b702 | Iustin Pop | |
206 | 3312b702 | Iustin Pop | |
207 | 3312b702 | Iustin Pop | def _GetWantedInstances(lu, instances): |
208 | a7ba5e53 | Iustin Pop | """Returns list of checked and expanded instance names.
|
209 | 3312b702 | Iustin Pop |
|
210 | 3312b702 | Iustin Pop | Args:
|
211 | 3312b702 | Iustin Pop | instances: List of instances (strings) or None for all
|
212 | 3312b702 | Iustin Pop |
|
213 | 3312b702 | Iustin Pop | """
|
214 | 3312b702 | Iustin Pop | if not isinstance(instances, list): |
215 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
216 | 3312b702 | Iustin Pop | |
217 | 3312b702 | Iustin Pop | if instances:
|
218 | 3312b702 | Iustin Pop | wanted = [] |
219 | 3312b702 | Iustin Pop | |
220 | 3312b702 | Iustin Pop | for name in instances: |
221 | a7ba5e53 | Iustin Pop | instance = lu.cfg.ExpandInstanceName(name) |
222 | 3312b702 | Iustin Pop | if instance is None: |
223 | 3312b702 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
224 | 3312b702 | Iustin Pop | wanted.append(instance) |
225 | 3312b702 | Iustin Pop | |
226 | 3312b702 | Iustin Pop | else:
|
227 | a7ba5e53 | Iustin Pop | wanted = lu.cfg.GetInstanceList() |
228 | a7ba5e53 | Iustin Pop | return utils.NiceSort(wanted)
|
229 | dcb93971 | Michael Hanselmann | |
230 | dcb93971 | Michael Hanselmann | |
231 | dcb93971 | Michael Hanselmann | def _CheckOutputFields(static, dynamic, selected): |
232 | 83120a01 | Michael Hanselmann | """Checks whether all selected fields are valid.
|
233 | 83120a01 | Michael Hanselmann |
|
234 | 83120a01 | Michael Hanselmann | Args:
|
235 | 83120a01 | Michael Hanselmann | static: Static fields
|
236 | 83120a01 | Michael Hanselmann | dynamic: Dynamic fields
|
237 | 83120a01 | Michael Hanselmann |
|
238 | 83120a01 | Michael Hanselmann | """
|
239 | 83120a01 | Michael Hanselmann | static_fields = frozenset(static)
|
240 | 83120a01 | Michael Hanselmann | dynamic_fields = frozenset(dynamic)
|
241 | dcb93971 | Michael Hanselmann | |
242 | 83120a01 | Michael Hanselmann | all_fields = static_fields | dynamic_fields |
243 | dcb93971 | Michael Hanselmann | |
244 | 83120a01 | Michael Hanselmann | if not all_fields.issuperset(selected): |
245 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown output fields selected: %s" |
246 | 3ecf6786 | Iustin Pop | % ",".join(frozenset(selected). |
247 | 3ecf6786 | Iustin Pop | difference(all_fields))) |
248 | dcb93971 | Michael Hanselmann | |
249 | dcb93971 | Michael Hanselmann | |
250 | ecb215b5 | Michael Hanselmann | def _BuildInstanceHookEnv(name, primary_node, secondary_nodes, os_type, status, |
251 | 396e1b78 | Michael Hanselmann | memory, vcpus, nics): |
252 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from single variables.
|
253 | ecb215b5 | Michael Hanselmann |
|
254 | ecb215b5 | Michael Hanselmann | Args:
|
255 | ecb215b5 | Michael Hanselmann | secondary_nodes: List of secondary nodes as strings
|
256 | 396e1b78 | Michael Hanselmann | """
|
257 | 396e1b78 | Michael Hanselmann | env = { |
258 | 0e137c28 | Iustin Pop | "OP_TARGET": name,
|
259 | 396e1b78 | Michael Hanselmann | "INSTANCE_NAME": name,
|
260 | 396e1b78 | Michael Hanselmann | "INSTANCE_PRIMARY": primary_node,
|
261 | 396e1b78 | Michael Hanselmann | "INSTANCE_SECONDARIES": " ".join(secondary_nodes), |
262 | ecb215b5 | Michael Hanselmann | "INSTANCE_OS_TYPE": os_type,
|
263 | 396e1b78 | Michael Hanselmann | "INSTANCE_STATUS": status,
|
264 | 396e1b78 | Michael Hanselmann | "INSTANCE_MEMORY": memory,
|
265 | 396e1b78 | Michael Hanselmann | "INSTANCE_VCPUS": vcpus,
|
266 | 396e1b78 | Michael Hanselmann | } |
267 | 396e1b78 | Michael Hanselmann | |
268 | 396e1b78 | Michael Hanselmann | if nics:
|
269 | 396e1b78 | Michael Hanselmann | nic_count = len(nics)
|
270 | 396e1b78 | Michael Hanselmann | for idx, (ip, bridge) in enumerate(nics): |
271 | 396e1b78 | Michael Hanselmann | if ip is None: |
272 | 396e1b78 | Michael Hanselmann | ip = ""
|
273 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_IP" % idx] = ip
|
274 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC%d_BRIDGE" % idx] = bridge
|
275 | 396e1b78 | Michael Hanselmann | else:
|
276 | 396e1b78 | Michael Hanselmann | nic_count = 0
|
277 | 396e1b78 | Michael Hanselmann | |
278 | 396e1b78 | Michael Hanselmann | env["INSTANCE_NIC_COUNT"] = nic_count
|
279 | 396e1b78 | Michael Hanselmann | |
280 | 396e1b78 | Michael Hanselmann | return env
|
281 | 396e1b78 | Michael Hanselmann | |
282 | 396e1b78 | Michael Hanselmann | |
283 | 396e1b78 | Michael Hanselmann | def _BuildInstanceHookEnvByObject(instance, override=None): |
284 | ecb215b5 | Michael Hanselmann | """Builds instance related env variables for hooks from an object.
|
285 | ecb215b5 | Michael Hanselmann |
|
286 | ecb215b5 | Michael Hanselmann | Args:
|
287 | ecb215b5 | Michael Hanselmann | instance: objects.Instance object of instance
|
288 | ecb215b5 | Michael Hanselmann | override: dict of values to override
|
289 | ecb215b5 | Michael Hanselmann | """
|
290 | 396e1b78 | Michael Hanselmann | args = { |
291 | 396e1b78 | Michael Hanselmann | 'name': instance.name,
|
292 | 396e1b78 | Michael Hanselmann | 'primary_node': instance.primary_node,
|
293 | 396e1b78 | Michael Hanselmann | 'secondary_nodes': instance.secondary_nodes,
|
294 | ecb215b5 | Michael Hanselmann | 'os_type': instance.os,
|
295 | 396e1b78 | Michael Hanselmann | 'status': instance.os,
|
296 | 396e1b78 | Michael Hanselmann | 'memory': instance.memory,
|
297 | 396e1b78 | Michael Hanselmann | 'vcpus': instance.vcpus,
|
298 | 396e1b78 | Michael Hanselmann | 'nics': [(nic.ip, nic.bridge) for nic in instance.nics], |
299 | 396e1b78 | Michael Hanselmann | } |
300 | 396e1b78 | Michael Hanselmann | if override:
|
301 | 396e1b78 | Michael Hanselmann | args.update(override) |
302 | 396e1b78 | Michael Hanselmann | return _BuildInstanceHookEnv(**args)
|
303 | 396e1b78 | Michael Hanselmann | |
304 | 396e1b78 | Michael Hanselmann | |
305 | a8083063 | Iustin Pop | def _UpdateKnownHosts(fullnode, ip, pubkey): |
306 | a8083063 | Iustin Pop | """Ensure a node has a correct known_hosts entry.
|
307 | a8083063 | Iustin Pop |
|
308 | a8083063 | Iustin Pop | Args:
|
309 | a8083063 | Iustin Pop | fullnode - Fully qualified domain name of host. (str)
|
310 | a8083063 | Iustin Pop | ip - IPv4 address of host (str)
|
311 | a8083063 | Iustin Pop | pubkey - the public key of the cluster
|
312 | a8083063 | Iustin Pop |
|
313 | a8083063 | Iustin Pop | """
|
314 | 82122173 | Iustin Pop | if os.path.exists(constants.SSH_KNOWN_HOSTS_FILE):
|
315 | 82122173 | Iustin Pop | f = open(constants.SSH_KNOWN_HOSTS_FILE, 'r+') |
316 | a8083063 | Iustin Pop | else:
|
317 | 82122173 | Iustin Pop | f = open(constants.SSH_KNOWN_HOSTS_FILE, 'w+') |
318 | a8083063 | Iustin Pop | |
319 | a8083063 | Iustin Pop | inthere = False
|
320 | a8083063 | Iustin Pop | |
321 | a8083063 | Iustin Pop | save_lines = [] |
322 | a8083063 | Iustin Pop | add_lines = [] |
323 | a8083063 | Iustin Pop | removed = False
|
324 | a8083063 | Iustin Pop | |
325 | 4cc2a728 | Michael Hanselmann | for rawline in f: |
326 | a8083063 | Iustin Pop | logger.Debug('read %s' % (repr(rawline),)) |
327 | a8083063 | Iustin Pop | |
328 | 4cc2a728 | Michael Hanselmann | parts = rawline.rstrip('\r\n').split()
|
329 | 4cc2a728 | Michael Hanselmann | |
330 | 4cc2a728 | Michael Hanselmann | # Ignore unwanted lines
|
331 | 4cc2a728 | Michael Hanselmann | if len(parts) >= 3 and not rawline.lstrip()[0] == '#': |
332 | 4cc2a728 | Michael Hanselmann | fields = parts[0].split(',') |
333 | 4cc2a728 | Michael Hanselmann | key = parts[2]
|
334 | 4cc2a728 | Michael Hanselmann | |
335 | 4cc2a728 | Michael Hanselmann | haveall = True
|
336 | 4cc2a728 | Michael Hanselmann | havesome = False
|
337 | 4cc2a728 | Michael Hanselmann | for spec in [ ip, fullnode ]: |
338 | 4cc2a728 | Michael Hanselmann | if spec not in fields: |
339 | 4cc2a728 | Michael Hanselmann | haveall = False
|
340 | 4cc2a728 | Michael Hanselmann | if spec in fields: |
341 | 4cc2a728 | Michael Hanselmann | havesome = True
|
342 | 4cc2a728 | Michael Hanselmann | |
343 | 4cc2a728 | Michael Hanselmann | logger.Debug("key, pubkey = %s." % (repr((key, pubkey)),)) |
344 | 4cc2a728 | Michael Hanselmann | if haveall and key == pubkey: |
345 | 4cc2a728 | Michael Hanselmann | inthere = True
|
346 | 4cc2a728 | Michael Hanselmann | save_lines.append(rawline) |
347 | 4cc2a728 | Michael Hanselmann | logger.Debug("Keeping known_hosts '%s'." % (repr(rawline),)) |
348 | 4cc2a728 | Michael Hanselmann | continue
|
349 | 4cc2a728 | Michael Hanselmann | |
350 | 4cc2a728 | Michael Hanselmann | if havesome and (not haveall or key != pubkey): |
351 | 4cc2a728 | Michael Hanselmann | removed = True
|
352 | 4cc2a728 | Michael Hanselmann | logger.Debug("Discarding known_hosts '%s'." % (repr(rawline),)) |
353 | 4cc2a728 | Michael Hanselmann | continue
|
354 | a8083063 | Iustin Pop | |
355 | a8083063 | Iustin Pop | save_lines.append(rawline) |
356 | a8083063 | Iustin Pop | |
357 | a8083063 | Iustin Pop | if not inthere: |
358 | a8083063 | Iustin Pop | add_lines.append('%s,%s ssh-rsa %s\n' % (fullnode, ip, pubkey))
|
359 | a8083063 | Iustin Pop | logger.Debug("Adding known_hosts '%s'." % (repr(add_lines[-1]),)) |
360 | a8083063 | Iustin Pop | |
361 | a8083063 | Iustin Pop | if removed:
|
362 | a8083063 | Iustin Pop | save_lines = save_lines + add_lines |
363 | a8083063 | Iustin Pop | |
364 | a8083063 | Iustin Pop | # Write a new file and replace old.
|
365 | 82122173 | Iustin Pop | fd, tmpname = tempfile.mkstemp('.tmp', 'known_hosts.', |
366 | 82122173 | Iustin Pop | constants.DATA_DIR) |
367 | a8083063 | Iustin Pop | newfile = os.fdopen(fd, 'w')
|
368 | 82122173 | Iustin Pop | try:
|
369 | 82122173 | Iustin Pop | newfile.write(''.join(save_lines))
|
370 | 82122173 | Iustin Pop | finally:
|
371 | 82122173 | Iustin Pop | newfile.close() |
372 | a8083063 | Iustin Pop | logger.Debug("Wrote new known_hosts.")
|
373 | 82122173 | Iustin Pop | os.rename(tmpname, constants.SSH_KNOWN_HOSTS_FILE) |
374 | a8083063 | Iustin Pop | |
375 | a8083063 | Iustin Pop | elif add_lines:
|
376 | a8083063 | Iustin Pop | # Simply appending a new line will do the trick.
|
377 | a8083063 | Iustin Pop | f.seek(0, 2) |
378 | a8083063 | Iustin Pop | for add in add_lines: |
379 | a8083063 | Iustin Pop | f.write(add) |
380 | a8083063 | Iustin Pop | |
381 | a8083063 | Iustin Pop | f.close() |
382 | a8083063 | Iustin Pop | |
383 | a8083063 | Iustin Pop | |
384 | a8083063 | Iustin Pop | def _HasValidVG(vglist, vgname): |
385 | a8083063 | Iustin Pop | """Checks if the volume group list is valid.
|
386 | a8083063 | Iustin Pop |
|
387 | a8083063 | Iustin Pop | A non-None return value means there's an error, and the return value
|
388 | a8083063 | Iustin Pop | is the error message.
|
389 | a8083063 | Iustin Pop |
|
390 | a8083063 | Iustin Pop | """
|
391 | a8083063 | Iustin Pop | vgsize = vglist.get(vgname, None)
|
392 | a8083063 | Iustin Pop | if vgsize is None: |
393 | a8083063 | Iustin Pop | return "volume group '%s' missing" % vgname |
394 | a8083063 | Iustin Pop | elif vgsize < 20480: |
395 | 191a8385 | Guido Trotter | return ("volume group '%s' too small (20480MiB required, %dMib found)" % |
396 | 191a8385 | Guido Trotter | (vgname, vgsize)) |
397 | a8083063 | Iustin Pop | return None |
398 | a8083063 | Iustin Pop | |
399 | a8083063 | Iustin Pop | |
400 | a8083063 | Iustin Pop | def _InitSSHSetup(node): |
401 | a8083063 | Iustin Pop | """Setup the SSH configuration for the cluster.
|
402 | a8083063 | Iustin Pop |
|
403 | a8083063 | Iustin Pop |
|
404 | a8083063 | Iustin Pop | This generates a dsa keypair for root, adds the pub key to the
|
405 | a8083063 | Iustin Pop | permitted hosts and adds the hostkey to its own known hosts.
|
406 | a8083063 | Iustin Pop |
|
407 | a8083063 | Iustin Pop | Args:
|
408 | a8083063 | Iustin Pop | node: the name of this host as a fqdn
|
409 | a8083063 | Iustin Pop |
|
410 | a8083063 | Iustin Pop | """
|
411 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, auth_keys = ssh.GetUserFiles(constants.GANETI_RUNAS) |
412 | a8083063 | Iustin Pop | |
413 | 70d9e3d8 | Iustin Pop | for name in priv_key, pub_key: |
414 | 70d9e3d8 | Iustin Pop | if os.path.exists(name):
|
415 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(name) |
416 | 70d9e3d8 | Iustin Pop | utils.RemoveFile(name) |
417 | a8083063 | Iustin Pop | |
418 | a8083063 | Iustin Pop | result = utils.RunCmd(["ssh-keygen", "-t", "dsa", |
419 | 70d9e3d8 | Iustin Pop | "-f", priv_key,
|
420 | a8083063 | Iustin Pop | "-q", "-N", ""]) |
421 | a8083063 | Iustin Pop | if result.failed:
|
422 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not generate ssh keypair, error %s" % |
423 | 3ecf6786 | Iustin Pop | result.output) |
424 | a8083063 | Iustin Pop | |
425 | 70d9e3d8 | Iustin Pop | f = open(pub_key, 'r') |
426 | a8083063 | Iustin Pop | try:
|
427 | 70d9e3d8 | Iustin Pop | utils.AddAuthorizedKey(auth_keys, f.read(8192))
|
428 | a8083063 | Iustin Pop | finally:
|
429 | a8083063 | Iustin Pop | f.close() |
430 | a8083063 | Iustin Pop | |
431 | a8083063 | Iustin Pop | |
432 | a8083063 | Iustin Pop | def _InitGanetiServerSetup(ss): |
433 | a8083063 | Iustin Pop | """Setup the necessary configuration for the initial node daemon.
|
434 | a8083063 | Iustin Pop |
|
435 | a8083063 | Iustin Pop | This creates the nodepass file containing the shared password for
|
436 | a8083063 | Iustin Pop | the cluster and also generates the SSL certificate.
|
437 | a8083063 | Iustin Pop |
|
438 | a8083063 | Iustin Pop | """
|
439 | a8083063 | Iustin Pop | # Create pseudo random password
|
440 | a8083063 | Iustin Pop | randpass = sha.new(os.urandom(64)).hexdigest()
|
441 | a8083063 | Iustin Pop | # and write it into sstore
|
442 | a8083063 | Iustin Pop | ss.SetKey(ss.SS_NODED_PASS, randpass) |
443 | a8083063 | Iustin Pop | |
444 | a8083063 | Iustin Pop | result = utils.RunCmd(["openssl", "req", "-new", "-newkey", "rsa:1024", |
445 | a8083063 | Iustin Pop | "-days", str(365*5), "-nodes", "-x509", |
446 | a8083063 | Iustin Pop | "-keyout", constants.SSL_CERT_FILE,
|
447 | a8083063 | Iustin Pop | "-out", constants.SSL_CERT_FILE, "-batch"]) |
448 | a8083063 | Iustin Pop | if result.failed:
|
449 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not generate server ssl cert, command" |
450 | 3ecf6786 | Iustin Pop | " %s had exitcode %s and error message %s" %
|
451 | 3ecf6786 | Iustin Pop | (result.cmd, result.exit_code, result.output)) |
452 | a8083063 | Iustin Pop | |
453 | a8083063 | Iustin Pop | os.chmod(constants.SSL_CERT_FILE, 0400)
|
454 | a8083063 | Iustin Pop | |
455 | a8083063 | Iustin Pop | result = utils.RunCmd([constants.NODE_INITD_SCRIPT, "restart"])
|
456 | a8083063 | Iustin Pop | |
457 | a8083063 | Iustin Pop | if result.failed:
|
458 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start the node daemon, command %s" |
459 | 3ecf6786 | Iustin Pop | " had exitcode %s and error %s" %
|
460 | 3ecf6786 | Iustin Pop | (result.cmd, result.exit_code, result.output)) |
461 | a8083063 | Iustin Pop | |
462 | a8083063 | Iustin Pop | |
463 | bf6929a2 | Alexander Schreiber | def _CheckInstanceBridgesExist(instance): |
464 | bf6929a2 | Alexander Schreiber | """Check that the brigdes needed by an instance exist.
|
465 | bf6929a2 | Alexander Schreiber |
|
466 | bf6929a2 | Alexander Schreiber | """
|
467 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
468 | bf6929a2 | Alexander Schreiber | brlist = [nic.bridge for nic in instance.nics] |
469 | bf6929a2 | Alexander Schreiber | if not rpc.call_bridges_exist(instance.primary_node, brlist): |
470 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("one or more target bridges %s does not" |
471 | bf6929a2 | Alexander Schreiber | " exist on destination node '%s'" %
|
472 | bf6929a2 | Alexander Schreiber | (brlist, instance.primary_node)) |
473 | bf6929a2 | Alexander Schreiber | |
474 | bf6929a2 | Alexander Schreiber | |
475 | a8083063 | Iustin Pop | class LUInitCluster(LogicalUnit): |
476 | a8083063 | Iustin Pop | """Initialise the cluster.
|
477 | a8083063 | Iustin Pop |
|
478 | a8083063 | Iustin Pop | """
|
479 | a8083063 | Iustin Pop | HPATH = "cluster-init"
|
480 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
481 | a8083063 | Iustin Pop | _OP_REQP = ["cluster_name", "hypervisor_type", "vg_name", "mac_prefix", |
482 | 880478f8 | Iustin Pop | "def_bridge", "master_netdev"] |
483 | a8083063 | Iustin Pop | REQ_CLUSTER = False
|
484 | a8083063 | Iustin Pop | |
485 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
486 | a8083063 | Iustin Pop | """Build hooks env.
|
487 | a8083063 | Iustin Pop |
|
488 | a8083063 | Iustin Pop | Notes: Since we don't require a cluster, we must manually add
|
489 | a8083063 | Iustin Pop | ourselves in the post-run node list.
|
490 | a8083063 | Iustin Pop |
|
491 | a8083063 | Iustin Pop | """
|
492 | 0e137c28 | Iustin Pop | env = {"OP_TARGET": self.op.cluster_name} |
493 | 0e137c28 | Iustin Pop | return env, [], [self.hostname.name] |
494 | a8083063 | Iustin Pop | |
495 | a8083063 | Iustin Pop | def CheckPrereq(self): |
496 | a8083063 | Iustin Pop | """Verify that the passed name is a valid one.
|
497 | a8083063 | Iustin Pop |
|
498 | a8083063 | Iustin Pop | """
|
499 | a8083063 | Iustin Pop | if config.ConfigWriter.IsCluster():
|
500 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cluster is already initialised") |
501 | a8083063 | Iustin Pop | |
502 | 89e1fc26 | Iustin Pop | self.hostname = hostname = utils.HostInfo()
|
503 | ff98055b | Iustin Pop | |
504 | bcf043c9 | Iustin Pop | if hostname.ip.startswith("127."): |
505 | 130e907e | Iustin Pop | raise errors.OpPrereqError("This host's IP resolves to the private" |
506 | 130e907e | Iustin Pop | " range (%s). Please fix DNS or /etc/hosts." %
|
507 | bcf043c9 | Iustin Pop | (hostname.ip,)) |
508 | 130e907e | Iustin Pop | |
509 | 89e1fc26 | Iustin Pop | self.clustername = clustername = utils.HostInfo(self.op.cluster_name) |
510 | a8083063 | Iustin Pop | |
511 | 16abfbc2 | Alexander Schreiber | if not utils.TcpPing(constants.LOCALHOST_IP_ADDRESS, hostname.ip, |
512 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT): |
513 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Inconsistency: this host's name resolves" |
514 | 3ecf6786 | Iustin Pop | " to %s,\nbut this ip address does not"
|
515 | 3ecf6786 | Iustin Pop | " belong to this host."
|
516 | bcf043c9 | Iustin Pop | " Aborting." % hostname.ip)
|
517 | a8083063 | Iustin Pop | |
518 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
519 | a8083063 | Iustin Pop | if secondary_ip and not utils.IsValidIP(secondary_ip): |
520 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary ip given") |
521 | 16abfbc2 | Alexander Schreiber | if (secondary_ip and |
522 | 16abfbc2 | Alexander Schreiber | secondary_ip != hostname.ip and
|
523 | 16abfbc2 | Alexander Schreiber | (not utils.TcpPing(constants.LOCALHOST_IP_ADDRESS, secondary_ip,
|
524 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT))): |
525 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("You gave %s as secondary IP," |
526 | f4bc1f2c | Michael Hanselmann | " but it does not belong to this host." %
|
527 | 16abfbc2 | Alexander Schreiber | secondary_ip) |
528 | a8083063 | Iustin Pop | self.secondary_ip = secondary_ip
|
529 | a8083063 | Iustin Pop | |
530 | a8083063 | Iustin Pop | # checks presence of the volume group given
|
531 | a8083063 | Iustin Pop | vgstatus = _HasValidVG(utils.ListVolumeGroups(), self.op.vg_name)
|
532 | a8083063 | Iustin Pop | |
533 | a8083063 | Iustin Pop | if vgstatus:
|
534 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Error: %s" % vgstatus) |
535 | a8083063 | Iustin Pop | |
536 | a8083063 | Iustin Pop | if not re.match("^[0-9a-z]{2}:[0-9a-z]{2}:[0-9a-z]{2}$", |
537 | a8083063 | Iustin Pop | self.op.mac_prefix):
|
538 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid mac prefix given '%s'" % |
539 | 3ecf6786 | Iustin Pop | self.op.mac_prefix)
|
540 | a8083063 | Iustin Pop | |
541 | 2584d4a4 | Alexander Schreiber | if self.op.hypervisor_type not in constants.HYPER_TYPES: |
542 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid hypervisor type given '%s'" % |
543 | 3ecf6786 | Iustin Pop | self.op.hypervisor_type)
|
544 | a8083063 | Iustin Pop | |
545 | 880478f8 | Iustin Pop | result = utils.RunCmd(["ip", "link", "show", "dev", self.op.master_netdev]) |
546 | 880478f8 | Iustin Pop | if result.failed:
|
547 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid master netdev given (%s): '%s'" % |
548 | 8925faaa | Iustin Pop | (self.op.master_netdev,
|
549 | 8925faaa | Iustin Pop | result.output.strip())) |
550 | 880478f8 | Iustin Pop | |
551 | 7dd30006 | Michael Hanselmann | if not (os.path.isfile(constants.NODE_INITD_SCRIPT) and |
552 | 7dd30006 | Michael Hanselmann | os.access(constants.NODE_INITD_SCRIPT, os.X_OK)): |
553 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Init.d script '%s' missing or not" |
554 | f4bc1f2c | Michael Hanselmann | " executable." % constants.NODE_INITD_SCRIPT)
|
555 | c7b46d59 | Iustin Pop | |
556 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
557 | a8083063 | Iustin Pop | """Initialize the cluster.
|
558 | a8083063 | Iustin Pop |
|
559 | a8083063 | Iustin Pop | """
|
560 | a8083063 | Iustin Pop | clustername = self.clustername
|
561 | a8083063 | Iustin Pop | hostname = self.hostname
|
562 | a8083063 | Iustin Pop | |
563 | a8083063 | Iustin Pop | # set up the simple store
|
564 | 4167825b | Iustin Pop | self.sstore = ss = ssconf.SimpleStore()
|
565 | a8083063 | Iustin Pop | ss.SetKey(ss.SS_HYPERVISOR, self.op.hypervisor_type)
|
566 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NODE, hostname.name) |
567 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, clustername.ip) |
568 | 880478f8 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NETDEV, self.op.master_netdev)
|
569 | bcf043c9 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername.name) |
570 | a8083063 | Iustin Pop | |
571 | a8083063 | Iustin Pop | # set up the inter-node password and certificate
|
572 | a8083063 | Iustin Pop | _InitGanetiServerSetup(ss) |
573 | a8083063 | Iustin Pop | |
574 | a8083063 | Iustin Pop | # start the master ip
|
575 | bcf043c9 | Iustin Pop | rpc.call_node_start_master(hostname.name) |
576 | a8083063 | Iustin Pop | |
577 | a8083063 | Iustin Pop | # set up ssh config and /etc/hosts
|
578 | 70d9e3d8 | Iustin Pop | f = open(constants.SSH_HOST_RSA_PUB, 'r') |
579 | a8083063 | Iustin Pop | try:
|
580 | a8083063 | Iustin Pop | sshline = f.read() |
581 | a8083063 | Iustin Pop | finally:
|
582 | a8083063 | Iustin Pop | f.close() |
583 | a8083063 | Iustin Pop | sshkey = sshline.split(" ")[1] |
584 | a8083063 | Iustin Pop | |
585 | 9440aeab | Michael Hanselmann | _AddHostToEtcHosts(hostname.name) |
586 | a8083063 | Iustin Pop | |
587 | bcf043c9 | Iustin Pop | _UpdateKnownHosts(hostname.name, hostname.ip, sshkey) |
588 | a8083063 | Iustin Pop | |
589 | bcf043c9 | Iustin Pop | _InitSSHSetup(hostname.name) |
590 | a8083063 | Iustin Pop | |
591 | a8083063 | Iustin Pop | # init of cluster config file
|
592 | 4167825b | Iustin Pop | self.cfg = cfgw = config.ConfigWriter()
|
593 | bcf043c9 | Iustin Pop | cfgw.InitConfig(hostname.name, hostname.ip, self.secondary_ip,
|
594 | 5fcdc80d | Iustin Pop | sshkey, self.op.mac_prefix,
|
595 | a8083063 | Iustin Pop | self.op.vg_name, self.op.def_bridge) |
596 | a8083063 | Iustin Pop | |
597 | a8083063 | Iustin Pop | |
598 | a8083063 | Iustin Pop | class LUDestroyCluster(NoHooksLU): |
599 | a8083063 | Iustin Pop | """Logical unit for destroying the cluster.
|
600 | a8083063 | Iustin Pop |
|
601 | a8083063 | Iustin Pop | """
|
602 | a8083063 | Iustin Pop | _OP_REQP = [] |
603 | a8083063 | Iustin Pop | |
604 | a8083063 | Iustin Pop | def CheckPrereq(self): |
605 | a8083063 | Iustin Pop | """Check prerequisites.
|
606 | a8083063 | Iustin Pop |
|
607 | a8083063 | Iustin Pop | This checks whether the cluster is empty.
|
608 | a8083063 | Iustin Pop |
|
609 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
610 | a8083063 | Iustin Pop |
|
611 | a8083063 | Iustin Pop | """
|
612 | 880478f8 | Iustin Pop | master = self.sstore.GetMasterNode()
|
613 | a8083063 | Iustin Pop | |
614 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
615 | db915bd1 | Michael Hanselmann | if len(nodelist) != 1 or nodelist[0] != master: |
616 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d node(s) in" |
617 | 3ecf6786 | Iustin Pop | " this cluster." % (len(nodelist) - 1)) |
618 | db915bd1 | Michael Hanselmann | instancelist = self.cfg.GetInstanceList()
|
619 | db915bd1 | Michael Hanselmann | if instancelist:
|
620 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("There are still %d instance(s) in" |
621 | 3ecf6786 | Iustin Pop | " this cluster." % len(instancelist)) |
622 | a8083063 | Iustin Pop | |
623 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
624 | a8083063 | Iustin Pop | """Destroys the cluster.
|
625 | a8083063 | Iustin Pop |
|
626 | a8083063 | Iustin Pop | """
|
627 | c8a0948f | Michael Hanselmann | master = self.sstore.GetMasterNode()
|
628 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
629 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(priv_key) |
630 | 70d9e3d8 | Iustin Pop | utils.CreateBackup(pub_key) |
631 | c8a0948f | Michael Hanselmann | rpc.call_node_leave_cluster(master) |
632 | a8083063 | Iustin Pop | |
633 | a8083063 | Iustin Pop | |
634 | a8083063 | Iustin Pop | class LUVerifyCluster(NoHooksLU): |
635 | a8083063 | Iustin Pop | """Verifies the cluster status.
|
636 | a8083063 | Iustin Pop |
|
637 | a8083063 | Iustin Pop | """
|
638 | a8083063 | Iustin Pop | _OP_REQP = [] |
639 | a8083063 | Iustin Pop | |
640 | a8083063 | Iustin Pop | def _VerifyNode(self, node, file_list, local_cksum, vglist, node_result, |
641 | a8083063 | Iustin Pop | remote_version, feedback_fn): |
642 | a8083063 | Iustin Pop | """Run multiple tests against a node.
|
643 | a8083063 | Iustin Pop |
|
644 | a8083063 | Iustin Pop | Test list:
|
645 | a8083063 | Iustin Pop | - compares ganeti version
|
646 | a8083063 | Iustin Pop | - checks vg existance and size > 20G
|
647 | a8083063 | Iustin Pop | - checks config file checksum
|
648 | a8083063 | Iustin Pop | - checks ssh to other nodes
|
649 | a8083063 | Iustin Pop |
|
650 | a8083063 | Iustin Pop | Args:
|
651 | a8083063 | Iustin Pop | node: name of the node to check
|
652 | a8083063 | Iustin Pop | file_list: required list of files
|
653 | a8083063 | Iustin Pop | local_cksum: dictionary of local files and their checksums
|
654 | 098c0958 | Michael Hanselmann |
|
655 | a8083063 | Iustin Pop | """
|
656 | a8083063 | Iustin Pop | # compares ganeti version
|
657 | a8083063 | Iustin Pop | local_version = constants.PROTOCOL_VERSION |
658 | a8083063 | Iustin Pop | if not remote_version: |
659 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node))
|
660 | a8083063 | Iustin Pop | return True |
661 | a8083063 | Iustin Pop | |
662 | a8083063 | Iustin Pop | if local_version != remote_version:
|
663 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: sw version mismatch: master %s, node(%s) %s" %
|
664 | a8083063 | Iustin Pop | (local_version, node, remote_version)) |
665 | a8083063 | Iustin Pop | return True |
666 | a8083063 | Iustin Pop | |
667 | a8083063 | Iustin Pop | # checks vg existance and size > 20G
|
668 | a8083063 | Iustin Pop | |
669 | a8083063 | Iustin Pop | bad = False
|
670 | a8083063 | Iustin Pop | if not vglist: |
671 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: unable to check volume groups on node %s." %
|
672 | a8083063 | Iustin Pop | (node,)) |
673 | a8083063 | Iustin Pop | bad = True
|
674 | a8083063 | Iustin Pop | else:
|
675 | a8083063 | Iustin Pop | vgstatus = _HasValidVG(vglist, self.cfg.GetVGName())
|
676 | a8083063 | Iustin Pop | if vgstatus:
|
677 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: %s on node %s" % (vgstatus, node))
|
678 | a8083063 | Iustin Pop | bad = True
|
679 | a8083063 | Iustin Pop | |
680 | a8083063 | Iustin Pop | # checks config file checksum
|
681 | a8083063 | Iustin Pop | # checks ssh to any
|
682 | a8083063 | Iustin Pop | |
683 | a8083063 | Iustin Pop | if 'filelist' not in node_result: |
684 | a8083063 | Iustin Pop | bad = True
|
685 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned file checksum data")
|
686 | a8083063 | Iustin Pop | else:
|
687 | a8083063 | Iustin Pop | remote_cksum = node_result['filelist']
|
688 | a8083063 | Iustin Pop | for file_name in file_list: |
689 | a8083063 | Iustin Pop | if file_name not in remote_cksum: |
690 | a8083063 | Iustin Pop | bad = True
|
691 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' missing" % file_name)
|
692 | a8083063 | Iustin Pop | elif remote_cksum[file_name] != local_cksum[file_name]:
|
693 | a8083063 | Iustin Pop | bad = True
|
694 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: file '%s' has wrong checksum" % file_name)
|
695 | a8083063 | Iustin Pop | |
696 | a8083063 | Iustin Pop | if 'nodelist' not in node_result: |
697 | a8083063 | Iustin Pop | bad = True
|
698 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: node hasn't returned node connectivity data")
|
699 | a8083063 | Iustin Pop | else:
|
700 | a8083063 | Iustin Pop | if node_result['nodelist']: |
701 | a8083063 | Iustin Pop | bad = True
|
702 | a8083063 | Iustin Pop | for node in node_result['nodelist']: |
703 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: communication with node '%s': %s" %
|
704 | a8083063 | Iustin Pop | (node, node_result['nodelist'][node]))
|
705 | a8083063 | Iustin Pop | hyp_result = node_result.get('hypervisor', None) |
706 | a8083063 | Iustin Pop | if hyp_result is not None: |
707 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: hypervisor verify failure: '%s'" % hyp_result)
|
708 | a8083063 | Iustin Pop | return bad
|
709 | a8083063 | Iustin Pop | |
710 | a8083063 | Iustin Pop | def _VerifyInstance(self, instance, node_vol_is, node_instance, feedback_fn): |
711 | a8083063 | Iustin Pop | """Verify an instance.
|
712 | a8083063 | Iustin Pop |
|
713 | a8083063 | Iustin Pop | This function checks to see if the required block devices are
|
714 | a8083063 | Iustin Pop | available on the instance's node.
|
715 | a8083063 | Iustin Pop |
|
716 | a8083063 | Iustin Pop | """
|
717 | a8083063 | Iustin Pop | bad = False
|
718 | a8083063 | Iustin Pop | |
719 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
720 | a8083063 | Iustin Pop | if not instance in instancelist: |
721 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not in instance list %s" %
|
722 | a8083063 | Iustin Pop | (instance, instancelist)) |
723 | a8083063 | Iustin Pop | bad = True
|
724 | a8083063 | Iustin Pop | |
725 | a8083063 | Iustin Pop | instanceconfig = self.cfg.GetInstanceInfo(instance)
|
726 | a8083063 | Iustin Pop | node_current = instanceconfig.primary_node |
727 | a8083063 | Iustin Pop | |
728 | a8083063 | Iustin Pop | node_vol_should = {} |
729 | a8083063 | Iustin Pop | instanceconfig.MapLVsByNode(node_vol_should) |
730 | a8083063 | Iustin Pop | |
731 | a8083063 | Iustin Pop | for node in node_vol_should: |
732 | a8083063 | Iustin Pop | for volume in node_vol_should[node]: |
733 | a8083063 | Iustin Pop | if node not in node_vol_is or volume not in node_vol_is[node]: |
734 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s missing on node %s" %
|
735 | a8083063 | Iustin Pop | (volume, node)) |
736 | a8083063 | Iustin Pop | bad = True
|
737 | a8083063 | Iustin Pop | |
738 | a8083063 | Iustin Pop | if not instanceconfig.status == 'down': |
739 | a8083063 | Iustin Pop | if not instance in node_instance[node_current]: |
740 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s not running on node %s" %
|
741 | a8083063 | Iustin Pop | (instance, node_current)) |
742 | a8083063 | Iustin Pop | bad = True
|
743 | a8083063 | Iustin Pop | |
744 | a8083063 | Iustin Pop | for node in node_instance: |
745 | a8083063 | Iustin Pop | if (not node == node_current): |
746 | a8083063 | Iustin Pop | if instance in node_instance[node]: |
747 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s should not run on node %s" %
|
748 | a8083063 | Iustin Pop | (instance, node)) |
749 | a8083063 | Iustin Pop | bad = True
|
750 | a8083063 | Iustin Pop | |
751 | 6a438c98 | Michael Hanselmann | return bad
|
752 | a8083063 | Iustin Pop | |
753 | a8083063 | Iustin Pop | def _VerifyOrphanVolumes(self, node_vol_should, node_vol_is, feedback_fn): |
754 | a8083063 | Iustin Pop | """Verify if there are any unknown volumes in the cluster.
|
755 | a8083063 | Iustin Pop |
|
756 | a8083063 | Iustin Pop | The .os, .swap and backup volumes are ignored. All other volumes are
|
757 | a8083063 | Iustin Pop | reported as unknown.
|
758 | a8083063 | Iustin Pop |
|
759 | a8083063 | Iustin Pop | """
|
760 | a8083063 | Iustin Pop | bad = False
|
761 | a8083063 | Iustin Pop | |
762 | a8083063 | Iustin Pop | for node in node_vol_is: |
763 | a8083063 | Iustin Pop | for volume in node_vol_is[node]: |
764 | a8083063 | Iustin Pop | if node not in node_vol_should or volume not in node_vol_should[node]: |
765 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: volume %s on node %s should not exist" %
|
766 | a8083063 | Iustin Pop | (volume, node)) |
767 | a8083063 | Iustin Pop | bad = True
|
768 | a8083063 | Iustin Pop | return bad
|
769 | a8083063 | Iustin Pop | |
770 | a8083063 | Iustin Pop | def _VerifyOrphanInstances(self, instancelist, node_instance, feedback_fn): |
771 | a8083063 | Iustin Pop | """Verify the list of running instances.
|
772 | a8083063 | Iustin Pop |
|
773 | a8083063 | Iustin Pop | This checks what instances are running but unknown to the cluster.
|
774 | a8083063 | Iustin Pop |
|
775 | a8083063 | Iustin Pop | """
|
776 | a8083063 | Iustin Pop | bad = False
|
777 | a8083063 | Iustin Pop | for node in node_instance: |
778 | a8083063 | Iustin Pop | for runninginstance in node_instance[node]: |
779 | a8083063 | Iustin Pop | if runninginstance not in instancelist: |
780 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: instance %s on node %s should not exist" %
|
781 | a8083063 | Iustin Pop | (runninginstance, node)) |
782 | a8083063 | Iustin Pop | bad = True
|
783 | a8083063 | Iustin Pop | return bad
|
784 | a8083063 | Iustin Pop | |
785 | a8083063 | Iustin Pop | def CheckPrereq(self): |
786 | a8083063 | Iustin Pop | """Check prerequisites.
|
787 | a8083063 | Iustin Pop |
|
788 | a8083063 | Iustin Pop | This has no prerequisites.
|
789 | a8083063 | Iustin Pop |
|
790 | a8083063 | Iustin Pop | """
|
791 | a8083063 | Iustin Pop | pass
|
792 | a8083063 | Iustin Pop | |
793 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
794 | a8083063 | Iustin Pop | """Verify integrity of cluster, performing various test on nodes.
|
795 | a8083063 | Iustin Pop |
|
796 | a8083063 | Iustin Pop | """
|
797 | a8083063 | Iustin Pop | bad = False
|
798 | a8083063 | Iustin Pop | feedback_fn("* Verifying global settings")
|
799 | 8522ceeb | Iustin Pop | for msg in self.cfg.VerifyConfig(): |
800 | 8522ceeb | Iustin Pop | feedback_fn(" - ERROR: %s" % msg)
|
801 | a8083063 | Iustin Pop | |
802 | a8083063 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
803 | a8083063 | Iustin Pop | nodelist = utils.NiceSort(self.cfg.GetNodeList())
|
804 | a8083063 | Iustin Pop | instancelist = utils.NiceSort(self.cfg.GetInstanceList())
|
805 | a8083063 | Iustin Pop | node_volume = {} |
806 | a8083063 | Iustin Pop | node_instance = {} |
807 | a8083063 | Iustin Pop | |
808 | a8083063 | Iustin Pop | # FIXME: verify OS list
|
809 | a8083063 | Iustin Pop | # do local checksums
|
810 | cb91d46e | Iustin Pop | file_names = list(self.sstore.GetFileList()) |
811 | cb91d46e | Iustin Pop | file_names.append(constants.SSL_CERT_FILE) |
812 | cb91d46e | Iustin Pop | file_names.append(constants.CLUSTER_CONF_FILE) |
813 | a8083063 | Iustin Pop | local_checksums = utils.FingerprintFiles(file_names) |
814 | a8083063 | Iustin Pop | |
815 | a8083063 | Iustin Pop | feedback_fn("* Gathering data (%d nodes)" % len(nodelist)) |
816 | a8083063 | Iustin Pop | all_volumeinfo = rpc.call_volume_list(nodelist, vg_name) |
817 | a8083063 | Iustin Pop | all_instanceinfo = rpc.call_instance_list(nodelist) |
818 | a8083063 | Iustin Pop | all_vglist = rpc.call_vg_list(nodelist) |
819 | a8083063 | Iustin Pop | node_verify_param = { |
820 | a8083063 | Iustin Pop | 'filelist': file_names,
|
821 | a8083063 | Iustin Pop | 'nodelist': nodelist,
|
822 | a8083063 | Iustin Pop | 'hypervisor': None, |
823 | a8083063 | Iustin Pop | } |
824 | a8083063 | Iustin Pop | all_nvinfo = rpc.call_node_verify(nodelist, node_verify_param) |
825 | a8083063 | Iustin Pop | all_rversion = rpc.call_version(nodelist) |
826 | a8083063 | Iustin Pop | |
827 | a8083063 | Iustin Pop | for node in nodelist: |
828 | a8083063 | Iustin Pop | feedback_fn("* Verifying node %s" % node)
|
829 | a8083063 | Iustin Pop | result = self._VerifyNode(node, file_names, local_checksums,
|
830 | a8083063 | Iustin Pop | all_vglist[node], all_nvinfo[node], |
831 | a8083063 | Iustin Pop | all_rversion[node], feedback_fn) |
832 | a8083063 | Iustin Pop | bad = bad or result
|
833 | a8083063 | Iustin Pop | |
834 | a8083063 | Iustin Pop | # node_volume
|
835 | a8083063 | Iustin Pop | volumeinfo = all_volumeinfo[node] |
836 | a8083063 | Iustin Pop | |
837 | a8083063 | Iustin Pop | if type(volumeinfo) != dict: |
838 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
839 | a8083063 | Iustin Pop | bad = True
|
840 | a8083063 | Iustin Pop | continue
|
841 | a8083063 | Iustin Pop | |
842 | a8083063 | Iustin Pop | node_volume[node] = volumeinfo |
843 | a8083063 | Iustin Pop | |
844 | a8083063 | Iustin Pop | # node_instance
|
845 | a8083063 | Iustin Pop | nodeinstance = all_instanceinfo[node] |
846 | a8083063 | Iustin Pop | if type(nodeinstance) != list: |
847 | a8083063 | Iustin Pop | feedback_fn(" - ERROR: connection to %s failed" % (node,))
|
848 | a8083063 | Iustin Pop | bad = True
|
849 | a8083063 | Iustin Pop | continue
|
850 | a8083063 | Iustin Pop | |
851 | a8083063 | Iustin Pop | node_instance[node] = nodeinstance |
852 | a8083063 | Iustin Pop | |
853 | a8083063 | Iustin Pop | node_vol_should = {} |
854 | a8083063 | Iustin Pop | |
855 | a8083063 | Iustin Pop | for instance in instancelist: |
856 | a8083063 | Iustin Pop | feedback_fn("* Verifying instance %s" % instance)
|
857 | a8083063 | Iustin Pop | result = self._VerifyInstance(instance, node_volume, node_instance,
|
858 | a8083063 | Iustin Pop | feedback_fn) |
859 | a8083063 | Iustin Pop | bad = bad or result
|
860 | a8083063 | Iustin Pop | |
861 | a8083063 | Iustin Pop | inst_config = self.cfg.GetInstanceInfo(instance)
|
862 | a8083063 | Iustin Pop | |
863 | a8083063 | Iustin Pop | inst_config.MapLVsByNode(node_vol_should) |
864 | a8083063 | Iustin Pop | |
865 | a8083063 | Iustin Pop | feedback_fn("* Verifying orphan volumes")
|
866 | a8083063 | Iustin Pop | result = self._VerifyOrphanVolumes(node_vol_should, node_volume,
|
867 | a8083063 | Iustin Pop | feedback_fn) |
868 | a8083063 | Iustin Pop | bad = bad or result
|
869 | a8083063 | Iustin Pop | |
870 | a8083063 | Iustin Pop | feedback_fn("* Verifying remaining instances")
|
871 | a8083063 | Iustin Pop | result = self._VerifyOrphanInstances(instancelist, node_instance,
|
872 | a8083063 | Iustin Pop | feedback_fn) |
873 | a8083063 | Iustin Pop | bad = bad or result
|
874 | a8083063 | Iustin Pop | |
875 | a8083063 | Iustin Pop | return int(bad) |
876 | a8083063 | Iustin Pop | |
877 | a8083063 | Iustin Pop | |
878 | 2c95a8d4 | Iustin Pop | class LUVerifyDisks(NoHooksLU): |
879 | 2c95a8d4 | Iustin Pop | """Verifies the cluster disks status.
|
880 | 2c95a8d4 | Iustin Pop |
|
881 | 2c95a8d4 | Iustin Pop | """
|
882 | 2c95a8d4 | Iustin Pop | _OP_REQP = [] |
883 | 2c95a8d4 | Iustin Pop | |
884 | 2c95a8d4 | Iustin Pop | def CheckPrereq(self): |
885 | 2c95a8d4 | Iustin Pop | """Check prerequisites.
|
886 | 2c95a8d4 | Iustin Pop |
|
887 | 2c95a8d4 | Iustin Pop | This has no prerequisites.
|
888 | 2c95a8d4 | Iustin Pop |
|
889 | 2c95a8d4 | Iustin Pop | """
|
890 | 2c95a8d4 | Iustin Pop | pass
|
891 | 2c95a8d4 | Iustin Pop | |
892 | 2c95a8d4 | Iustin Pop | def Exec(self, feedback_fn): |
893 | 2c95a8d4 | Iustin Pop | """Verify integrity of cluster disks.
|
894 | 2c95a8d4 | Iustin Pop |
|
895 | 2c95a8d4 | Iustin Pop | """
|
896 | 2c95a8d4 | Iustin Pop | result = res_nodes, res_instances = [], [] |
897 | 2c95a8d4 | Iustin Pop | |
898 | 2c95a8d4 | Iustin Pop | vg_name = self.cfg.GetVGName()
|
899 | 2c95a8d4 | Iustin Pop | nodes = utils.NiceSort(self.cfg.GetNodeList())
|
900 | 2c95a8d4 | Iustin Pop | instances = [self.cfg.GetInstanceInfo(name)
|
901 | 2c95a8d4 | Iustin Pop | for name in self.cfg.GetInstanceList()] |
902 | 2c95a8d4 | Iustin Pop | |
903 | 2c95a8d4 | Iustin Pop | nv_dict = {} |
904 | 2c95a8d4 | Iustin Pop | for inst in instances: |
905 | 2c95a8d4 | Iustin Pop | inst_lvs = {} |
906 | 2c95a8d4 | Iustin Pop | if (inst.status != "up" or |
907 | 2c95a8d4 | Iustin Pop | inst.disk_template not in constants.DTS_NET_MIRROR): |
908 | 2c95a8d4 | Iustin Pop | continue
|
909 | 2c95a8d4 | Iustin Pop | inst.MapLVsByNode(inst_lvs) |
910 | 2c95a8d4 | Iustin Pop | # transform { iname: {node: [vol,],},} to {(node, vol): iname}
|
911 | 2c95a8d4 | Iustin Pop | for node, vol_list in inst_lvs.iteritems(): |
912 | 2c95a8d4 | Iustin Pop | for vol in vol_list: |
913 | 2c95a8d4 | Iustin Pop | nv_dict[(node, vol)] = inst |
914 | 2c95a8d4 | Iustin Pop | |
915 | 2c95a8d4 | Iustin Pop | if not nv_dict: |
916 | 2c95a8d4 | Iustin Pop | return result
|
917 | 2c95a8d4 | Iustin Pop | |
918 | 2c95a8d4 | Iustin Pop | node_lvs = rpc.call_volume_list(nodes, vg_name) |
919 | 2c95a8d4 | Iustin Pop | |
920 | 2c95a8d4 | Iustin Pop | to_act = set()
|
921 | 2c95a8d4 | Iustin Pop | for node in nodes: |
922 | 2c95a8d4 | Iustin Pop | # node_volume
|
923 | 2c95a8d4 | Iustin Pop | lvs = node_lvs[node] |
924 | 2c95a8d4 | Iustin Pop | |
925 | 2c95a8d4 | Iustin Pop | if not isinstance(lvs, dict): |
926 | 2c95a8d4 | Iustin Pop | logger.Info("connection to node %s failed or invalid data returned" %
|
927 | 2c95a8d4 | Iustin Pop | (node,)) |
928 | 2c95a8d4 | Iustin Pop | res_nodes.append(node) |
929 | 2c95a8d4 | Iustin Pop | continue
|
930 | 2c95a8d4 | Iustin Pop | |
931 | 2c95a8d4 | Iustin Pop | for lv_name, (_, lv_inactive, lv_online) in lvs.iteritems(): |
932 | 2c95a8d4 | Iustin Pop | if not lv_online: |
933 | 2c95a8d4 | Iustin Pop | inst = nv_dict.get((node, lv_name), None)
|
934 | 2c95a8d4 | Iustin Pop | if inst is not None and inst.name not in res_instances: |
935 | 2c95a8d4 | Iustin Pop | res_instances.append(inst.name) |
936 | 2c95a8d4 | Iustin Pop | |
937 | 2c95a8d4 | Iustin Pop | return result
|
938 | 2c95a8d4 | Iustin Pop | |
939 | 2c95a8d4 | Iustin Pop | |
940 | 07bd8a51 | Iustin Pop | class LURenameCluster(LogicalUnit): |
941 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
942 | 07bd8a51 | Iustin Pop |
|
943 | 07bd8a51 | Iustin Pop | """
|
944 | 07bd8a51 | Iustin Pop | HPATH = "cluster-rename"
|
945 | 07bd8a51 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
946 | 07bd8a51 | Iustin Pop | _OP_REQP = ["name"]
|
947 | 07bd8a51 | Iustin Pop | |
948 | 07bd8a51 | Iustin Pop | def BuildHooksEnv(self): |
949 | 07bd8a51 | Iustin Pop | """Build hooks env.
|
950 | 07bd8a51 | Iustin Pop |
|
951 | 07bd8a51 | Iustin Pop | """
|
952 | 07bd8a51 | Iustin Pop | env = { |
953 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.sstore.GetClusterName(), |
954 | 07bd8a51 | Iustin Pop | "NEW_NAME": self.op.name, |
955 | 07bd8a51 | Iustin Pop | } |
956 | 07bd8a51 | Iustin Pop | mn = self.sstore.GetMasterNode()
|
957 | 07bd8a51 | Iustin Pop | return env, [mn], [mn]
|
958 | 07bd8a51 | Iustin Pop | |
959 | 07bd8a51 | Iustin Pop | def CheckPrereq(self): |
960 | 07bd8a51 | Iustin Pop | """Verify that the passed name is a valid one.
|
961 | 07bd8a51 | Iustin Pop |
|
962 | 07bd8a51 | Iustin Pop | """
|
963 | 89e1fc26 | Iustin Pop | hostname = utils.HostInfo(self.op.name)
|
964 | 07bd8a51 | Iustin Pop | |
965 | bcf043c9 | Iustin Pop | new_name = hostname.name |
966 | bcf043c9 | Iustin Pop | self.ip = new_ip = hostname.ip
|
967 | 07bd8a51 | Iustin Pop | old_name = self.sstore.GetClusterName()
|
968 | 07bd8a51 | Iustin Pop | old_ip = self.sstore.GetMasterIP()
|
969 | 07bd8a51 | Iustin Pop | if new_name == old_name and new_ip == old_ip: |
970 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("Neither the name nor the IP address of the" |
971 | 07bd8a51 | Iustin Pop | " cluster has changed")
|
972 | 07bd8a51 | Iustin Pop | if new_ip != old_ip:
|
973 | 07bd8a51 | Iustin Pop | result = utils.RunCmd(["fping", "-q", new_ip]) |
974 | 07bd8a51 | Iustin Pop | if not result.failed: |
975 | 07bd8a51 | Iustin Pop | raise errors.OpPrereqError("The given cluster IP address (%s) is" |
976 | 07bd8a51 | Iustin Pop | " reachable on the network. Aborting." %
|
977 | 07bd8a51 | Iustin Pop | new_ip) |
978 | 07bd8a51 | Iustin Pop | |
979 | 07bd8a51 | Iustin Pop | self.op.name = new_name
|
980 | 07bd8a51 | Iustin Pop | |
981 | 07bd8a51 | Iustin Pop | def Exec(self, feedback_fn): |
982 | 07bd8a51 | Iustin Pop | """Rename the cluster.
|
983 | 07bd8a51 | Iustin Pop |
|
984 | 07bd8a51 | Iustin Pop | """
|
985 | 07bd8a51 | Iustin Pop | clustername = self.op.name
|
986 | 07bd8a51 | Iustin Pop | ip = self.ip
|
987 | 07bd8a51 | Iustin Pop | ss = self.sstore
|
988 | 07bd8a51 | Iustin Pop | |
989 | 07bd8a51 | Iustin Pop | # shutdown the master IP
|
990 | 07bd8a51 | Iustin Pop | master = ss.GetMasterNode() |
991 | 07bd8a51 | Iustin Pop | if not rpc.call_node_stop_master(master): |
992 | 07bd8a51 | Iustin Pop | raise errors.OpExecError("Could not disable the master role") |
993 | 07bd8a51 | Iustin Pop | |
994 | 07bd8a51 | Iustin Pop | try:
|
995 | 07bd8a51 | Iustin Pop | # modify the sstore
|
996 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_MASTER_IP, ip) |
997 | 07bd8a51 | Iustin Pop | ss.SetKey(ss.SS_CLUSTER_NAME, clustername) |
998 | 07bd8a51 | Iustin Pop | |
999 | 07bd8a51 | Iustin Pop | # Distribute updated ss config to all nodes
|
1000 | 07bd8a51 | Iustin Pop | myself = self.cfg.GetNodeInfo(master)
|
1001 | 07bd8a51 | Iustin Pop | dist_nodes = self.cfg.GetNodeList()
|
1002 | 07bd8a51 | Iustin Pop | if myself.name in dist_nodes: |
1003 | 07bd8a51 | Iustin Pop | dist_nodes.remove(myself.name) |
1004 | 07bd8a51 | Iustin Pop | |
1005 | 07bd8a51 | Iustin Pop | logger.Debug("Copying updated ssconf data to all nodes")
|
1006 | 07bd8a51 | Iustin Pop | for keyname in [ss.SS_CLUSTER_NAME, ss.SS_MASTER_IP]: |
1007 | 07bd8a51 | Iustin Pop | fname = ss.KeyToFilename(keyname) |
1008 | 07bd8a51 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1009 | 07bd8a51 | Iustin Pop | for to_node in dist_nodes: |
1010 | 07bd8a51 | Iustin Pop | if not result[to_node]: |
1011 | 07bd8a51 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1012 | 07bd8a51 | Iustin Pop | (fname, to_node)) |
1013 | 07bd8a51 | Iustin Pop | finally:
|
1014 | 07bd8a51 | Iustin Pop | if not rpc.call_node_start_master(master): |
1015 | f4bc1f2c | Michael Hanselmann | logger.Error("Could not re-enable the master role on the master,"
|
1016 | f4bc1f2c | Michael Hanselmann | " please restart manually.")
|
1017 | 07bd8a51 | Iustin Pop | |
1018 | 07bd8a51 | Iustin Pop | |
1019 | 5bfac263 | Iustin Pop | def _WaitForSync(cfgw, instance, proc, oneshot=False, unlock=False): |
1020 | a8083063 | Iustin Pop | """Sleep and poll for an instance's disk to sync.
|
1021 | a8083063 | Iustin Pop |
|
1022 | a8083063 | Iustin Pop | """
|
1023 | a8083063 | Iustin Pop | if not instance.disks: |
1024 | a8083063 | Iustin Pop | return True |
1025 | a8083063 | Iustin Pop | |
1026 | a8083063 | Iustin Pop | if not oneshot: |
1027 | 5bfac263 | Iustin Pop | proc.LogInfo("Waiting for instance %s to sync disks." % instance.name)
|
1028 | a8083063 | Iustin Pop | |
1029 | a8083063 | Iustin Pop | node = instance.primary_node |
1030 | a8083063 | Iustin Pop | |
1031 | a8083063 | Iustin Pop | for dev in instance.disks: |
1032 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1033 | a8083063 | Iustin Pop | |
1034 | a8083063 | Iustin Pop | retries = 0
|
1035 | a8083063 | Iustin Pop | while True: |
1036 | a8083063 | Iustin Pop | max_time = 0
|
1037 | a8083063 | Iustin Pop | done = True
|
1038 | a8083063 | Iustin Pop | cumul_degraded = False
|
1039 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_getmirrorstatus(node, instance.disks) |
1040 | a8083063 | Iustin Pop | if not rstats: |
1041 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't get any data from node %s" % node)
|
1042 | a8083063 | Iustin Pop | retries += 1
|
1043 | a8083063 | Iustin Pop | if retries >= 10: |
1044 | 3ecf6786 | Iustin Pop | raise errors.RemoteError("Can't contact node %s for mirror data," |
1045 | 3ecf6786 | Iustin Pop | " aborting." % node)
|
1046 | a8083063 | Iustin Pop | time.sleep(6)
|
1047 | a8083063 | Iustin Pop | continue
|
1048 | a8083063 | Iustin Pop | retries = 0
|
1049 | a8083063 | Iustin Pop | for i in range(len(rstats)): |
1050 | a8083063 | Iustin Pop | mstat = rstats[i] |
1051 | a8083063 | Iustin Pop | if mstat is None: |
1052 | 5bfac263 | Iustin Pop | proc.LogWarning("Can't compute data for node %s/%s" %
|
1053 | a8083063 | Iustin Pop | (node, instance.disks[i].iv_name)) |
1054 | a8083063 | Iustin Pop | continue
|
1055 | 0834c866 | Iustin Pop | # we ignore the ldisk parameter
|
1056 | 0834c866 | Iustin Pop | perc_done, est_time, is_degraded, _ = mstat |
1057 | a8083063 | Iustin Pop | cumul_degraded = cumul_degraded or (is_degraded and perc_done is None) |
1058 | a8083063 | Iustin Pop | if perc_done is not None: |
1059 | a8083063 | Iustin Pop | done = False
|
1060 | a8083063 | Iustin Pop | if est_time is not None: |
1061 | a8083063 | Iustin Pop | rem_time = "%d estimated seconds remaining" % est_time
|
1062 | a8083063 | Iustin Pop | max_time = est_time |
1063 | a8083063 | Iustin Pop | else:
|
1064 | a8083063 | Iustin Pop | rem_time = "no time estimate"
|
1065 | 5bfac263 | Iustin Pop | proc.LogInfo("- device %s: %5.2f%% done, %s" %
|
1066 | 5bfac263 | Iustin Pop | (instance.disks[i].iv_name, perc_done, rem_time)) |
1067 | a8083063 | Iustin Pop | if done or oneshot: |
1068 | a8083063 | Iustin Pop | break
|
1069 | a8083063 | Iustin Pop | |
1070 | a8083063 | Iustin Pop | if unlock:
|
1071 | a8083063 | Iustin Pop | utils.Unlock('cmd')
|
1072 | a8083063 | Iustin Pop | try:
|
1073 | a8083063 | Iustin Pop | time.sleep(min(60, max_time)) |
1074 | a8083063 | Iustin Pop | finally:
|
1075 | a8083063 | Iustin Pop | if unlock:
|
1076 | a8083063 | Iustin Pop | utils.Lock('cmd')
|
1077 | a8083063 | Iustin Pop | |
1078 | a8083063 | Iustin Pop | if done:
|
1079 | 5bfac263 | Iustin Pop | proc.LogInfo("Instance %s's disks are in sync." % instance.name)
|
1080 | a8083063 | Iustin Pop | return not cumul_degraded |
1081 | a8083063 | Iustin Pop | |
1082 | a8083063 | Iustin Pop | |
1083 | 0834c866 | Iustin Pop | def _CheckDiskConsistency(cfgw, dev, node, on_primary, ldisk=False): |
1084 | a8083063 | Iustin Pop | """Check that mirrors are not degraded.
|
1085 | a8083063 | Iustin Pop |
|
1086 | 0834c866 | Iustin Pop | The ldisk parameter, if True, will change the test from the
|
1087 | 0834c866 | Iustin Pop | is_degraded attribute (which represents overall non-ok status for
|
1088 | 0834c866 | Iustin Pop | the device(s)) to the ldisk (representing the local storage status).
|
1089 | 0834c866 | Iustin Pop |
|
1090 | a8083063 | Iustin Pop | """
|
1091 | a8083063 | Iustin Pop | cfgw.SetDiskID(dev, node) |
1092 | 0834c866 | Iustin Pop | if ldisk:
|
1093 | 0834c866 | Iustin Pop | idx = 6
|
1094 | 0834c866 | Iustin Pop | else:
|
1095 | 0834c866 | Iustin Pop | idx = 5
|
1096 | a8083063 | Iustin Pop | |
1097 | a8083063 | Iustin Pop | result = True
|
1098 | a8083063 | Iustin Pop | if on_primary or dev.AssembleOnSecondary(): |
1099 | a8083063 | Iustin Pop | rstats = rpc.call_blockdev_find(node, dev) |
1100 | a8083063 | Iustin Pop | if not rstats: |
1101 | a8083063 | Iustin Pop | logger.ToStderr("Can't get any data from node %s" % node)
|
1102 | a8083063 | Iustin Pop | result = False
|
1103 | a8083063 | Iustin Pop | else:
|
1104 | 0834c866 | Iustin Pop | result = result and (not rstats[idx]) |
1105 | a8083063 | Iustin Pop | if dev.children:
|
1106 | a8083063 | Iustin Pop | for child in dev.children: |
1107 | a8083063 | Iustin Pop | result = result and _CheckDiskConsistency(cfgw, child, node, on_primary)
|
1108 | a8083063 | Iustin Pop | |
1109 | a8083063 | Iustin Pop | return result
|
1110 | a8083063 | Iustin Pop | |
1111 | a8083063 | Iustin Pop | |
1112 | a8083063 | Iustin Pop | class LUDiagnoseOS(NoHooksLU): |
1113 | a8083063 | Iustin Pop | """Logical unit for OS diagnose/query.
|
1114 | a8083063 | Iustin Pop |
|
1115 | a8083063 | Iustin Pop | """
|
1116 | a8083063 | Iustin Pop | _OP_REQP = [] |
1117 | a8083063 | Iustin Pop | |
1118 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1119 | a8083063 | Iustin Pop | """Check prerequisites.
|
1120 | a8083063 | Iustin Pop |
|
1121 | a8083063 | Iustin Pop | This always succeeds, since this is a pure query LU.
|
1122 | a8083063 | Iustin Pop |
|
1123 | a8083063 | Iustin Pop | """
|
1124 | a8083063 | Iustin Pop | return
|
1125 | a8083063 | Iustin Pop | |
1126 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1127 | a8083063 | Iustin Pop | """Compute the list of OSes.
|
1128 | a8083063 | Iustin Pop |
|
1129 | a8083063 | Iustin Pop | """
|
1130 | a8083063 | Iustin Pop | node_list = self.cfg.GetNodeList()
|
1131 | a8083063 | Iustin Pop | node_data = rpc.call_os_diagnose(node_list) |
1132 | a8083063 | Iustin Pop | if node_data == False: |
1133 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't gather the list of OSes") |
1134 | a8083063 | Iustin Pop | return node_data
|
1135 | a8083063 | Iustin Pop | |
1136 | a8083063 | Iustin Pop | |
1137 | a8083063 | Iustin Pop | class LURemoveNode(LogicalUnit): |
1138 | a8083063 | Iustin Pop | """Logical unit for removing a node.
|
1139 | a8083063 | Iustin Pop |
|
1140 | a8083063 | Iustin Pop | """
|
1141 | a8083063 | Iustin Pop | HPATH = "node-remove"
|
1142 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1143 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1144 | a8083063 | Iustin Pop | |
1145 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1146 | a8083063 | Iustin Pop | """Build hooks env.
|
1147 | a8083063 | Iustin Pop |
|
1148 | a8083063 | Iustin Pop | This doesn't run on the target node in the pre phase as a failed
|
1149 | a8083063 | Iustin Pop | node would not allows itself to run.
|
1150 | a8083063 | Iustin Pop |
|
1151 | a8083063 | Iustin Pop | """
|
1152 | 396e1b78 | Michael Hanselmann | env = { |
1153 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1154 | 396e1b78 | Michael Hanselmann | "NODE_NAME": self.op.node_name, |
1155 | 396e1b78 | Michael Hanselmann | } |
1156 | a8083063 | Iustin Pop | all_nodes = self.cfg.GetNodeList()
|
1157 | a8083063 | Iustin Pop | all_nodes.remove(self.op.node_name)
|
1158 | 396e1b78 | Michael Hanselmann | return env, all_nodes, all_nodes
|
1159 | a8083063 | Iustin Pop | |
1160 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1161 | a8083063 | Iustin Pop | """Check prerequisites.
|
1162 | a8083063 | Iustin Pop |
|
1163 | a8083063 | Iustin Pop | This checks:
|
1164 | a8083063 | Iustin Pop | - the node exists in the configuration
|
1165 | a8083063 | Iustin Pop | - it does not have primary or secondary instances
|
1166 | a8083063 | Iustin Pop | - it's not the master
|
1167 | a8083063 | Iustin Pop |
|
1168 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1169 | a8083063 | Iustin Pop |
|
1170 | a8083063 | Iustin Pop | """
|
1171 | a8083063 | Iustin Pop | node = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.node_name)) |
1172 | a8083063 | Iustin Pop | if node is None: |
1173 | a02bc76e | Iustin Pop | raise errors.OpPrereqError, ("Node '%s' is unknown." % self.op.node_name) |
1174 | a8083063 | Iustin Pop | |
1175 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
1176 | a8083063 | Iustin Pop | |
1177 | 880478f8 | Iustin Pop | masternode = self.sstore.GetMasterNode()
|
1178 | a8083063 | Iustin Pop | if node.name == masternode:
|
1179 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node is the master node," |
1180 | 3ecf6786 | Iustin Pop | " you need to failover first.")
|
1181 | a8083063 | Iustin Pop | |
1182 | a8083063 | Iustin Pop | for instance_name in instance_list: |
1183 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(instance_name)
|
1184 | a8083063 | Iustin Pop | if node.name == instance.primary_node:
|
1185 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s still running on the node," |
1186 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1187 | a8083063 | Iustin Pop | if node.name in instance.secondary_nodes: |
1188 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance %s has node as a secondary," |
1189 | 3ecf6786 | Iustin Pop | " please remove first." % instance_name)
|
1190 | a8083063 | Iustin Pop | self.op.node_name = node.name
|
1191 | a8083063 | Iustin Pop | self.node = node
|
1192 | a8083063 | Iustin Pop | |
1193 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1194 | a8083063 | Iustin Pop | """Removes the node from the cluster.
|
1195 | a8083063 | Iustin Pop |
|
1196 | a8083063 | Iustin Pop | """
|
1197 | a8083063 | Iustin Pop | node = self.node
|
1198 | a8083063 | Iustin Pop | logger.Info("stopping the node daemon and removing configs from node %s" %
|
1199 | a8083063 | Iustin Pop | node.name) |
1200 | a8083063 | Iustin Pop | |
1201 | a8083063 | Iustin Pop | rpc.call_node_leave_cluster(node.name) |
1202 | a8083063 | Iustin Pop | |
1203 | a8083063 | Iustin Pop | ssh.SSHCall(node.name, 'root', "%s stop" % constants.NODE_INITD_SCRIPT) |
1204 | a8083063 | Iustin Pop | |
1205 | a8083063 | Iustin Pop | logger.Info("Removing node %s from config" % node.name)
|
1206 | a8083063 | Iustin Pop | |
1207 | a8083063 | Iustin Pop | self.cfg.RemoveNode(node.name)
|
1208 | a8083063 | Iustin Pop | |
1209 | c8a0948f | Michael Hanselmann | _RemoveHostFromEtcHosts(node.name) |
1210 | c8a0948f | Michael Hanselmann | |
1211 | a8083063 | Iustin Pop | |
1212 | a8083063 | Iustin Pop | class LUQueryNodes(NoHooksLU): |
1213 | a8083063 | Iustin Pop | """Logical unit for querying nodes.
|
1214 | a8083063 | Iustin Pop |
|
1215 | a8083063 | Iustin Pop | """
|
1216 | 246e180a | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
1217 | a8083063 | Iustin Pop | |
1218 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1219 | a8083063 | Iustin Pop | """Check prerequisites.
|
1220 | a8083063 | Iustin Pop |
|
1221 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
1222 | a8083063 | Iustin Pop |
|
1223 | a8083063 | Iustin Pop | """
|
1224 | a8083063 | Iustin Pop | self.dynamic_fields = frozenset(["dtotal", "dfree", |
1225 | 3ef10550 | Michael Hanselmann | "mtotal", "mnode", "mfree", |
1226 | 3ef10550 | Michael Hanselmann | "bootid"])
|
1227 | a8083063 | Iustin Pop | |
1228 | ec223efb | Iustin Pop | _CheckOutputFields(static=["name", "pinst_cnt", "sinst_cnt", |
1229 | ec223efb | Iustin Pop | "pinst_list", "sinst_list", |
1230 | ec223efb | Iustin Pop | "pip", "sip"], |
1231 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
1232 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1233 | a8083063 | Iustin Pop | |
1234 | 246e180a | Iustin Pop | self.wanted = _GetWantedNodes(self, self.op.names) |
1235 | a8083063 | Iustin Pop | |
1236 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1237 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
1238 | a8083063 | Iustin Pop |
|
1239 | a8083063 | Iustin Pop | """
|
1240 | 246e180a | Iustin Pop | nodenames = self.wanted
|
1241 | a8083063 | Iustin Pop | nodelist = [self.cfg.GetNodeInfo(name) for name in nodenames] |
1242 | a8083063 | Iustin Pop | |
1243 | a8083063 | Iustin Pop | # begin data gathering
|
1244 | a8083063 | Iustin Pop | |
1245 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
1246 | a8083063 | Iustin Pop | live_data = {} |
1247 | a8083063 | Iustin Pop | node_data = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
1248 | a8083063 | Iustin Pop | for name in nodenames: |
1249 | a8083063 | Iustin Pop | nodeinfo = node_data.get(name, None)
|
1250 | a8083063 | Iustin Pop | if nodeinfo:
|
1251 | a8083063 | Iustin Pop | live_data[name] = { |
1252 | a8083063 | Iustin Pop | "mtotal": utils.TryConvert(int, nodeinfo['memory_total']), |
1253 | a8083063 | Iustin Pop | "mnode": utils.TryConvert(int, nodeinfo['memory_dom0']), |
1254 | a8083063 | Iustin Pop | "mfree": utils.TryConvert(int, nodeinfo['memory_free']), |
1255 | a8083063 | Iustin Pop | "dtotal": utils.TryConvert(int, nodeinfo['vg_size']), |
1256 | a8083063 | Iustin Pop | "dfree": utils.TryConvert(int, nodeinfo['vg_free']), |
1257 | 3ef10550 | Michael Hanselmann | "bootid": nodeinfo['bootid'], |
1258 | a8083063 | Iustin Pop | } |
1259 | a8083063 | Iustin Pop | else:
|
1260 | a8083063 | Iustin Pop | live_data[name] = {} |
1261 | a8083063 | Iustin Pop | else:
|
1262 | a8083063 | Iustin Pop | live_data = dict.fromkeys(nodenames, {})
|
1263 | a8083063 | Iustin Pop | |
1264 | ec223efb | Iustin Pop | node_to_primary = dict([(name, set()) for name in nodenames]) |
1265 | ec223efb | Iustin Pop | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1266 | a8083063 | Iustin Pop | |
1267 | ec223efb | Iustin Pop | inst_fields = frozenset(("pinst_cnt", "pinst_list", |
1268 | ec223efb | Iustin Pop | "sinst_cnt", "sinst_list")) |
1269 | ec223efb | Iustin Pop | if inst_fields & frozenset(self.op.output_fields): |
1270 | a8083063 | Iustin Pop | instancelist = self.cfg.GetInstanceList()
|
1271 | a8083063 | Iustin Pop | |
1272 | ec223efb | Iustin Pop | for instance_name in instancelist: |
1273 | ec223efb | Iustin Pop | inst = self.cfg.GetInstanceInfo(instance_name)
|
1274 | ec223efb | Iustin Pop | if inst.primary_node in node_to_primary: |
1275 | ec223efb | Iustin Pop | node_to_primary[inst.primary_node].add(inst.name) |
1276 | ec223efb | Iustin Pop | for secnode in inst.secondary_nodes: |
1277 | ec223efb | Iustin Pop | if secnode in node_to_secondary: |
1278 | ec223efb | Iustin Pop | node_to_secondary[secnode].add(inst.name) |
1279 | a8083063 | Iustin Pop | |
1280 | a8083063 | Iustin Pop | # end data gathering
|
1281 | a8083063 | Iustin Pop | |
1282 | a8083063 | Iustin Pop | output = [] |
1283 | a8083063 | Iustin Pop | for node in nodelist: |
1284 | a8083063 | Iustin Pop | node_output = [] |
1285 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
1286 | a8083063 | Iustin Pop | if field == "name": |
1287 | a8083063 | Iustin Pop | val = node.name |
1288 | ec223efb | Iustin Pop | elif field == "pinst_list": |
1289 | ec223efb | Iustin Pop | val = list(node_to_primary[node.name])
|
1290 | ec223efb | Iustin Pop | elif field == "sinst_list": |
1291 | ec223efb | Iustin Pop | val = list(node_to_secondary[node.name])
|
1292 | ec223efb | Iustin Pop | elif field == "pinst_cnt": |
1293 | ec223efb | Iustin Pop | val = len(node_to_primary[node.name])
|
1294 | ec223efb | Iustin Pop | elif field == "sinst_cnt": |
1295 | ec223efb | Iustin Pop | val = len(node_to_secondary[node.name])
|
1296 | a8083063 | Iustin Pop | elif field == "pip": |
1297 | a8083063 | Iustin Pop | val = node.primary_ip |
1298 | a8083063 | Iustin Pop | elif field == "sip": |
1299 | a8083063 | Iustin Pop | val = node.secondary_ip |
1300 | a8083063 | Iustin Pop | elif field in self.dynamic_fields: |
1301 | ec223efb | Iustin Pop | val = live_data[node.name].get(field, None)
|
1302 | a8083063 | Iustin Pop | else:
|
1303 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1304 | a8083063 | Iustin Pop | node_output.append(val) |
1305 | a8083063 | Iustin Pop | output.append(node_output) |
1306 | a8083063 | Iustin Pop | |
1307 | a8083063 | Iustin Pop | return output
|
1308 | a8083063 | Iustin Pop | |
1309 | a8083063 | Iustin Pop | |
1310 | dcb93971 | Michael Hanselmann | class LUQueryNodeVolumes(NoHooksLU): |
1311 | dcb93971 | Michael Hanselmann | """Logical unit for getting volumes on node(s).
|
1312 | dcb93971 | Michael Hanselmann |
|
1313 | dcb93971 | Michael Hanselmann | """
|
1314 | dcb93971 | Michael Hanselmann | _OP_REQP = ["nodes", "output_fields"] |
1315 | dcb93971 | Michael Hanselmann | |
1316 | dcb93971 | Michael Hanselmann | def CheckPrereq(self): |
1317 | dcb93971 | Michael Hanselmann | """Check prerequisites.
|
1318 | dcb93971 | Michael Hanselmann |
|
1319 | dcb93971 | Michael Hanselmann | This checks that the fields required are valid output fields.
|
1320 | dcb93971 | Michael Hanselmann |
|
1321 | dcb93971 | Michael Hanselmann | """
|
1322 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1323 | dcb93971 | Michael Hanselmann | |
1324 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["node"],
|
1325 | dcb93971 | Michael Hanselmann | dynamic=["phys", "vg", "name", "size", "instance"], |
1326 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
1327 | dcb93971 | Michael Hanselmann | |
1328 | dcb93971 | Michael Hanselmann | |
1329 | dcb93971 | Michael Hanselmann | def Exec(self, feedback_fn): |
1330 | dcb93971 | Michael Hanselmann | """Computes the list of nodes and their attributes.
|
1331 | dcb93971 | Michael Hanselmann |
|
1332 | dcb93971 | Michael Hanselmann | """
|
1333 | a7ba5e53 | Iustin Pop | nodenames = self.nodes
|
1334 | dcb93971 | Michael Hanselmann | volumes = rpc.call_node_volumes(nodenames) |
1335 | dcb93971 | Michael Hanselmann | |
1336 | dcb93971 | Michael Hanselmann | ilist = [self.cfg.GetInstanceInfo(iname) for iname |
1337 | dcb93971 | Michael Hanselmann | in self.cfg.GetInstanceList()] |
1338 | dcb93971 | Michael Hanselmann | |
1339 | dcb93971 | Michael Hanselmann | lv_by_node = dict([(inst, inst.MapLVsByNode()) for inst in ilist]) |
1340 | dcb93971 | Michael Hanselmann | |
1341 | dcb93971 | Michael Hanselmann | output = [] |
1342 | dcb93971 | Michael Hanselmann | for node in nodenames: |
1343 | 37d19eb2 | Michael Hanselmann | if node not in volumes or not volumes[node]: |
1344 | 37d19eb2 | Michael Hanselmann | continue
|
1345 | 37d19eb2 | Michael Hanselmann | |
1346 | dcb93971 | Michael Hanselmann | node_vols = volumes[node][:] |
1347 | dcb93971 | Michael Hanselmann | node_vols.sort(key=lambda vol: vol['dev']) |
1348 | dcb93971 | Michael Hanselmann | |
1349 | dcb93971 | Michael Hanselmann | for vol in node_vols: |
1350 | dcb93971 | Michael Hanselmann | node_output = [] |
1351 | dcb93971 | Michael Hanselmann | for field in self.op.output_fields: |
1352 | dcb93971 | Michael Hanselmann | if field == "node": |
1353 | dcb93971 | Michael Hanselmann | val = node |
1354 | dcb93971 | Michael Hanselmann | elif field == "phys": |
1355 | dcb93971 | Michael Hanselmann | val = vol['dev']
|
1356 | dcb93971 | Michael Hanselmann | elif field == "vg": |
1357 | dcb93971 | Michael Hanselmann | val = vol['vg']
|
1358 | dcb93971 | Michael Hanselmann | elif field == "name": |
1359 | dcb93971 | Michael Hanselmann | val = vol['name']
|
1360 | dcb93971 | Michael Hanselmann | elif field == "size": |
1361 | dcb93971 | Michael Hanselmann | val = int(float(vol['size'])) |
1362 | dcb93971 | Michael Hanselmann | elif field == "instance": |
1363 | dcb93971 | Michael Hanselmann | for inst in ilist: |
1364 | dcb93971 | Michael Hanselmann | if node not in lv_by_node[inst]: |
1365 | dcb93971 | Michael Hanselmann | continue
|
1366 | dcb93971 | Michael Hanselmann | if vol['name'] in lv_by_node[inst][node]: |
1367 | dcb93971 | Michael Hanselmann | val = inst.name |
1368 | dcb93971 | Michael Hanselmann | break
|
1369 | dcb93971 | Michael Hanselmann | else:
|
1370 | dcb93971 | Michael Hanselmann | val = '-'
|
1371 | dcb93971 | Michael Hanselmann | else:
|
1372 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
1373 | dcb93971 | Michael Hanselmann | node_output.append(str(val))
|
1374 | dcb93971 | Michael Hanselmann | |
1375 | dcb93971 | Michael Hanselmann | output.append(node_output) |
1376 | dcb93971 | Michael Hanselmann | |
1377 | dcb93971 | Michael Hanselmann | return output
|
1378 | dcb93971 | Michael Hanselmann | |
1379 | dcb93971 | Michael Hanselmann | |
1380 | a8083063 | Iustin Pop | class LUAddNode(LogicalUnit): |
1381 | a8083063 | Iustin Pop | """Logical unit for adding node to the cluster.
|
1382 | a8083063 | Iustin Pop |
|
1383 | a8083063 | Iustin Pop | """
|
1384 | a8083063 | Iustin Pop | HPATH = "node-add"
|
1385 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_NODE |
1386 | a8083063 | Iustin Pop | _OP_REQP = ["node_name"]
|
1387 | a8083063 | Iustin Pop | |
1388 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1389 | a8083063 | Iustin Pop | """Build hooks env.
|
1390 | a8083063 | Iustin Pop |
|
1391 | a8083063 | Iustin Pop | This will run on all nodes before, and on all nodes + the new node after.
|
1392 | a8083063 | Iustin Pop |
|
1393 | a8083063 | Iustin Pop | """
|
1394 | a8083063 | Iustin Pop | env = { |
1395 | 0e137c28 | Iustin Pop | "OP_TARGET": self.op.node_name, |
1396 | a8083063 | Iustin Pop | "NODE_NAME": self.op.node_name, |
1397 | a8083063 | Iustin Pop | "NODE_PIP": self.op.primary_ip, |
1398 | a8083063 | Iustin Pop | "NODE_SIP": self.op.secondary_ip, |
1399 | a8083063 | Iustin Pop | } |
1400 | a8083063 | Iustin Pop | nodes_0 = self.cfg.GetNodeList()
|
1401 | a8083063 | Iustin Pop | nodes_1 = nodes_0 + [self.op.node_name, ]
|
1402 | a8083063 | Iustin Pop | return env, nodes_0, nodes_1
|
1403 | a8083063 | Iustin Pop | |
1404 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1405 | a8083063 | Iustin Pop | """Check prerequisites.
|
1406 | a8083063 | Iustin Pop |
|
1407 | a8083063 | Iustin Pop | This checks:
|
1408 | a8083063 | Iustin Pop | - the new node is not already in the config
|
1409 | a8083063 | Iustin Pop | - it is resolvable
|
1410 | a8083063 | Iustin Pop | - its parameters (single/dual homed) matches the cluster
|
1411 | a8083063 | Iustin Pop |
|
1412 | a8083063 | Iustin Pop | Any errors are signalled by raising errors.OpPrereqError.
|
1413 | a8083063 | Iustin Pop |
|
1414 | a8083063 | Iustin Pop | """
|
1415 | a8083063 | Iustin Pop | node_name = self.op.node_name
|
1416 | a8083063 | Iustin Pop | cfg = self.cfg
|
1417 | a8083063 | Iustin Pop | |
1418 | 89e1fc26 | Iustin Pop | dns_data = utils.HostInfo(node_name) |
1419 | a8083063 | Iustin Pop | |
1420 | bcf043c9 | Iustin Pop | node = dns_data.name |
1421 | bcf043c9 | Iustin Pop | primary_ip = self.op.primary_ip = dns_data.ip
|
1422 | a8083063 | Iustin Pop | secondary_ip = getattr(self.op, "secondary_ip", None) |
1423 | a8083063 | Iustin Pop | if secondary_ip is None: |
1424 | a8083063 | Iustin Pop | secondary_ip = primary_ip |
1425 | a8083063 | Iustin Pop | if not utils.IsValidIP(secondary_ip): |
1426 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid secondary IP given") |
1427 | a8083063 | Iustin Pop | self.op.secondary_ip = secondary_ip
|
1428 | a8083063 | Iustin Pop | node_list = cfg.GetNodeList() |
1429 | a8083063 | Iustin Pop | if node in node_list: |
1430 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node %s is already in the configuration" |
1431 | 3ecf6786 | Iustin Pop | % node) |
1432 | a8083063 | Iustin Pop | |
1433 | a8083063 | Iustin Pop | for existing_node_name in node_list: |
1434 | a8083063 | Iustin Pop | existing_node = cfg.GetNodeInfo(existing_node_name) |
1435 | a8083063 | Iustin Pop | if (existing_node.primary_ip == primary_ip or |
1436 | a8083063 | Iustin Pop | existing_node.secondary_ip == primary_ip or
|
1437 | a8083063 | Iustin Pop | existing_node.primary_ip == secondary_ip or
|
1438 | a8083063 | Iustin Pop | existing_node.secondary_ip == secondary_ip): |
1439 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("New node ip address(es) conflict with" |
1440 | 3ecf6786 | Iustin Pop | " existing node %s" % existing_node.name)
|
1441 | a8083063 | Iustin Pop | |
1442 | a8083063 | Iustin Pop | # check that the type of the node (single versus dual homed) is the
|
1443 | a8083063 | Iustin Pop | # same as for the master
|
1444 | 880478f8 | Iustin Pop | myself = cfg.GetNodeInfo(self.sstore.GetMasterNode())
|
1445 | a8083063 | Iustin Pop | master_singlehomed = myself.secondary_ip == myself.primary_ip |
1446 | a8083063 | Iustin Pop | newbie_singlehomed = secondary_ip == primary_ip |
1447 | a8083063 | Iustin Pop | if master_singlehomed != newbie_singlehomed:
|
1448 | a8083063 | Iustin Pop | if master_singlehomed:
|
1449 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has no private ip but the" |
1450 | 3ecf6786 | Iustin Pop | " new node has one")
|
1451 | a8083063 | Iustin Pop | else:
|
1452 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The master has a private ip but the" |
1453 | 3ecf6786 | Iustin Pop | " new node doesn't have one")
|
1454 | a8083063 | Iustin Pop | |
1455 | a8083063 | Iustin Pop | # checks reachablity
|
1456 | 16abfbc2 | Alexander Schreiber | if not utils.TcpPing(utils.HostInfo().name, |
1457 | 16abfbc2 | Alexander Schreiber | primary_ip, |
1458 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT): |
1459 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node not reachable by ping") |
1460 | a8083063 | Iustin Pop | |
1461 | a8083063 | Iustin Pop | if not newbie_singlehomed: |
1462 | a8083063 | Iustin Pop | # check reachability from my secondary ip to newbie's secondary ip
|
1463 | 16abfbc2 | Alexander Schreiber | if not utils.TcpPing(myself.secondary_ip, |
1464 | 16abfbc2 | Alexander Schreiber | secondary_ip, |
1465 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT): |
1466 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
1467 | f4bc1f2c | Michael Hanselmann | " based ping to noded port")
|
1468 | a8083063 | Iustin Pop | |
1469 | a8083063 | Iustin Pop | self.new_node = objects.Node(name=node,
|
1470 | a8083063 | Iustin Pop | primary_ip=primary_ip, |
1471 | a8083063 | Iustin Pop | secondary_ip=secondary_ip) |
1472 | a8083063 | Iustin Pop | |
1473 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1474 | a8083063 | Iustin Pop | """Adds the new node to the cluster.
|
1475 | a8083063 | Iustin Pop |
|
1476 | a8083063 | Iustin Pop | """
|
1477 | a8083063 | Iustin Pop | new_node = self.new_node
|
1478 | a8083063 | Iustin Pop | node = new_node.name |
1479 | a8083063 | Iustin Pop | |
1480 | a8083063 | Iustin Pop | # set up inter-node password and certificate and restarts the node daemon
|
1481 | a8083063 | Iustin Pop | gntpass = self.sstore.GetNodeDaemonPassword()
|
1482 | a8083063 | Iustin Pop | if not re.match('^[a-zA-Z0-9.]{1,64}$', gntpass): |
1483 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("ganeti password corruption detected") |
1484 | a8083063 | Iustin Pop | f = open(constants.SSL_CERT_FILE)
|
1485 | a8083063 | Iustin Pop | try:
|
1486 | a8083063 | Iustin Pop | gntpem = f.read(8192)
|
1487 | a8083063 | Iustin Pop | finally:
|
1488 | a8083063 | Iustin Pop | f.close() |
1489 | a8083063 | Iustin Pop | # in the base64 pem encoding, neither '!' nor '.' are valid chars,
|
1490 | a8083063 | Iustin Pop | # so we use this to detect an invalid certificate; as long as the
|
1491 | a8083063 | Iustin Pop | # cert doesn't contain this, the here-document will be correctly
|
1492 | a8083063 | Iustin Pop | # parsed by the shell sequence below
|
1493 | a8083063 | Iustin Pop | if re.search('^!EOF\.', gntpem, re.MULTILINE): |
1494 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("invalid PEM encoding in the SSL certificate") |
1495 | a8083063 | Iustin Pop | if not gntpem.endswith("\n"): |
1496 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("PEM must end with newline") |
1497 | a8083063 | Iustin Pop | logger.Info("copy cluster pass to %s and starting the node daemon" % node)
|
1498 | a8083063 | Iustin Pop | |
1499 | a8083063 | Iustin Pop | # and then connect with ssh to set password and start ganeti-noded
|
1500 | a8083063 | Iustin Pop | # note that all the below variables are sanitized at this point,
|
1501 | a8083063 | Iustin Pop | # either by being constants or by the checks above
|
1502 | a8083063 | Iustin Pop | ss = self.sstore
|
1503 | a8083063 | Iustin Pop | mycommand = ("umask 077 && "
|
1504 | a8083063 | Iustin Pop | "echo '%s' > '%s' && "
|
1505 | a8083063 | Iustin Pop | "cat > '%s' << '!EOF.' && \n"
|
1506 | a8083063 | Iustin Pop | "%s!EOF.\n%s restart" %
|
1507 | a8083063 | Iustin Pop | (gntpass, ss.KeyToFilename(ss.SS_NODED_PASS), |
1508 | a8083063 | Iustin Pop | constants.SSL_CERT_FILE, gntpem, |
1509 | a8083063 | Iustin Pop | constants.NODE_INITD_SCRIPT)) |
1510 | a8083063 | Iustin Pop | |
1511 | a8083063 | Iustin Pop | result = ssh.SSHCall(node, 'root', mycommand, batch=False, ask_key=True) |
1512 | a8083063 | Iustin Pop | if result.failed:
|
1513 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Remote command on node %s, error: %s," |
1514 | 3ecf6786 | Iustin Pop | " output: %s" %
|
1515 | 3ecf6786 | Iustin Pop | (node, result.fail_reason, result.output)) |
1516 | a8083063 | Iustin Pop | |
1517 | a8083063 | Iustin Pop | # check connectivity
|
1518 | a8083063 | Iustin Pop | time.sleep(4)
|
1519 | a8083063 | Iustin Pop | |
1520 | a8083063 | Iustin Pop | result = rpc.call_version([node])[node] |
1521 | a8083063 | Iustin Pop | if result:
|
1522 | a8083063 | Iustin Pop | if constants.PROTOCOL_VERSION == result:
|
1523 | a8083063 | Iustin Pop | logger.Info("communication to node %s fine, sw version %s match" %
|
1524 | a8083063 | Iustin Pop | (node, result)) |
1525 | a8083063 | Iustin Pop | else:
|
1526 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Version mismatch master version %s," |
1527 | 3ecf6786 | Iustin Pop | " node version %s" %
|
1528 | 3ecf6786 | Iustin Pop | (constants.PROTOCOL_VERSION, result)) |
1529 | a8083063 | Iustin Pop | else:
|
1530 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot get version from the new node") |
1531 | a8083063 | Iustin Pop | |
1532 | a8083063 | Iustin Pop | # setup ssh on node
|
1533 | a8083063 | Iustin Pop | logger.Info("copy ssh key to node %s" % node)
|
1534 | 70d9e3d8 | Iustin Pop | priv_key, pub_key, _ = ssh.GetUserFiles(constants.GANETI_RUNAS) |
1535 | a8083063 | Iustin Pop | keyarray = [] |
1536 | 70d9e3d8 | Iustin Pop | keyfiles = [constants.SSH_HOST_DSA_PRIV, constants.SSH_HOST_DSA_PUB, |
1537 | 70d9e3d8 | Iustin Pop | constants.SSH_HOST_RSA_PRIV, constants.SSH_HOST_RSA_PUB, |
1538 | 70d9e3d8 | Iustin Pop | priv_key, pub_key] |
1539 | a8083063 | Iustin Pop | |
1540 | a8083063 | Iustin Pop | for i in keyfiles: |
1541 | a8083063 | Iustin Pop | f = open(i, 'r') |
1542 | a8083063 | Iustin Pop | try:
|
1543 | a8083063 | Iustin Pop | keyarray.append(f.read()) |
1544 | a8083063 | Iustin Pop | finally:
|
1545 | a8083063 | Iustin Pop | f.close() |
1546 | a8083063 | Iustin Pop | |
1547 | a8083063 | Iustin Pop | result = rpc.call_node_add(node, keyarray[0], keyarray[1], keyarray[2], |
1548 | a8083063 | Iustin Pop | keyarray[3], keyarray[4], keyarray[5]) |
1549 | a8083063 | Iustin Pop | |
1550 | a8083063 | Iustin Pop | if not result: |
1551 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot transfer ssh keys to the new node") |
1552 | a8083063 | Iustin Pop | |
1553 | a8083063 | Iustin Pop | # Add node to our /etc/hosts, and add key to known_hosts
|
1554 | 9440aeab | Michael Hanselmann | _AddHostToEtcHosts(new_node.name) |
1555 | c8a0948f | Michael Hanselmann | |
1556 | a8083063 | Iustin Pop | _UpdateKnownHosts(new_node.name, new_node.primary_ip, |
1557 | a8083063 | Iustin Pop | self.cfg.GetHostKey())
|
1558 | a8083063 | Iustin Pop | |
1559 | a8083063 | Iustin Pop | if new_node.secondary_ip != new_node.primary_ip:
|
1560 | 16abfbc2 | Alexander Schreiber | if not rpc.call_node_tcp_ping(new_node.name, |
1561 | 16abfbc2 | Alexander Schreiber | constants.LOCALHOST_IP_ADDRESS, |
1562 | 16abfbc2 | Alexander Schreiber | new_node.secondary_ip, |
1563 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT, |
1564 | 16abfbc2 | Alexander Schreiber | 10, False): |
1565 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Node claims it doesn't have the secondary ip" |
1566 | f4bc1f2c | Michael Hanselmann | " you gave (%s). Please fix and re-run this"
|
1567 | f4bc1f2c | Michael Hanselmann | " command." % new_node.secondary_ip)
|
1568 | a8083063 | Iustin Pop | |
1569 | ff98055b | Iustin Pop | success, msg = ssh.VerifyNodeHostname(node) |
1570 | ff98055b | Iustin Pop | if not success: |
1571 | ff98055b | Iustin Pop | raise errors.OpExecError("Node '%s' claims it has a different hostname" |
1572 | f4bc1f2c | Michael Hanselmann | " than the one the resolver gives: %s."
|
1573 | f4bc1f2c | Michael Hanselmann | " Please fix and re-run this command." %
|
1574 | ff98055b | Iustin Pop | (node, msg)) |
1575 | ff98055b | Iustin Pop | |
1576 | a8083063 | Iustin Pop | # Distribute updated /etc/hosts and known_hosts to all nodes,
|
1577 | a8083063 | Iustin Pop | # including the node just added
|
1578 | 880478f8 | Iustin Pop | myself = self.cfg.GetNodeInfo(self.sstore.GetMasterNode()) |
1579 | a8083063 | Iustin Pop | dist_nodes = self.cfg.GetNodeList() + [node]
|
1580 | a8083063 | Iustin Pop | if myself.name in dist_nodes: |
1581 | a8083063 | Iustin Pop | dist_nodes.remove(myself.name) |
1582 | a8083063 | Iustin Pop | |
1583 | a8083063 | Iustin Pop | logger.Debug("Copying hosts and known_hosts to all nodes")
|
1584 | 82122173 | Iustin Pop | for fname in ("/etc/hosts", constants.SSH_KNOWN_HOSTS_FILE): |
1585 | a8083063 | Iustin Pop | result = rpc.call_upload_file(dist_nodes, fname) |
1586 | a8083063 | Iustin Pop | for to_node in dist_nodes: |
1587 | a8083063 | Iustin Pop | if not result[to_node]: |
1588 | a8083063 | Iustin Pop | logger.Error("copy of file %s to node %s failed" %
|
1589 | a8083063 | Iustin Pop | (fname, to_node)) |
1590 | a8083063 | Iustin Pop | |
1591 | cb91d46e | Iustin Pop | to_copy = ss.GetFileList() |
1592 | a8083063 | Iustin Pop | for fname in to_copy: |
1593 | a8083063 | Iustin Pop | if not ssh.CopyFileToNode(node, fname): |
1594 | a8083063 | Iustin Pop | logger.Error("could not copy file %s to node %s" % (fname, node))
|
1595 | a8083063 | Iustin Pop | |
1596 | a8083063 | Iustin Pop | logger.Info("adding node %s to cluster.conf" % node)
|
1597 | a8083063 | Iustin Pop | self.cfg.AddNode(new_node)
|
1598 | a8083063 | Iustin Pop | |
1599 | a8083063 | Iustin Pop | |
1600 | a8083063 | Iustin Pop | class LUMasterFailover(LogicalUnit): |
1601 | a8083063 | Iustin Pop | """Failover the master node to the current node.
|
1602 | a8083063 | Iustin Pop |
|
1603 | a8083063 | Iustin Pop | This is a special LU in that it must run on a non-master node.
|
1604 | a8083063 | Iustin Pop |
|
1605 | a8083063 | Iustin Pop | """
|
1606 | a8083063 | Iustin Pop | HPATH = "master-failover"
|
1607 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_CLUSTER |
1608 | a8083063 | Iustin Pop | REQ_MASTER = False
|
1609 | a8083063 | Iustin Pop | _OP_REQP = [] |
1610 | a8083063 | Iustin Pop | |
1611 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1612 | a8083063 | Iustin Pop | """Build hooks env.
|
1613 | a8083063 | Iustin Pop |
|
1614 | a8083063 | Iustin Pop | This will run on the new master only in the pre phase, and on all
|
1615 | a8083063 | Iustin Pop | the nodes in the post phase.
|
1616 | a8083063 | Iustin Pop |
|
1617 | a8083063 | Iustin Pop | """
|
1618 | a8083063 | Iustin Pop | env = { |
1619 | 0e137c28 | Iustin Pop | "OP_TARGET": self.new_master, |
1620 | a8083063 | Iustin Pop | "NEW_MASTER": self.new_master, |
1621 | a8083063 | Iustin Pop | "OLD_MASTER": self.old_master, |
1622 | a8083063 | Iustin Pop | } |
1623 | a8083063 | Iustin Pop | return env, [self.new_master], self.cfg.GetNodeList() |
1624 | a8083063 | Iustin Pop | |
1625 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1626 | a8083063 | Iustin Pop | """Check prerequisites.
|
1627 | a8083063 | Iustin Pop |
|
1628 | a8083063 | Iustin Pop | This checks that we are not already the master.
|
1629 | a8083063 | Iustin Pop |
|
1630 | a8083063 | Iustin Pop | """
|
1631 | 89e1fc26 | Iustin Pop | self.new_master = utils.HostInfo().name
|
1632 | 880478f8 | Iustin Pop | self.old_master = self.sstore.GetMasterNode() |
1633 | a8083063 | Iustin Pop | |
1634 | a8083063 | Iustin Pop | if self.old_master == self.new_master: |
1635 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("This commands must be run on the node" |
1636 | f4bc1f2c | Michael Hanselmann | " where you want the new master to be."
|
1637 | f4bc1f2c | Michael Hanselmann | " %s is already the master" %
|
1638 | 3ecf6786 | Iustin Pop | self.old_master)
|
1639 | a8083063 | Iustin Pop | |
1640 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1641 | a8083063 | Iustin Pop | """Failover the master node.
|
1642 | a8083063 | Iustin Pop |
|
1643 | a8083063 | Iustin Pop | This command, when run on a non-master node, will cause the current
|
1644 | a8083063 | Iustin Pop | master to cease being master, and the non-master to become new
|
1645 | a8083063 | Iustin Pop | master.
|
1646 | a8083063 | Iustin Pop |
|
1647 | a8083063 | Iustin Pop | """
|
1648 | a8083063 | Iustin Pop | #TODO: do not rely on gethostname returning the FQDN
|
1649 | a8083063 | Iustin Pop | logger.Info("setting master to %s, old master: %s" %
|
1650 | a8083063 | Iustin Pop | (self.new_master, self.old_master)) |
1651 | a8083063 | Iustin Pop | |
1652 | a8083063 | Iustin Pop | if not rpc.call_node_stop_master(self.old_master): |
1653 | a8083063 | Iustin Pop | logger.Error("could disable the master role on the old master"
|
1654 | a8083063 | Iustin Pop | " %s, please disable manually" % self.old_master) |
1655 | a8083063 | Iustin Pop | |
1656 | 880478f8 | Iustin Pop | ss = self.sstore
|
1657 | 880478f8 | Iustin Pop | ss.SetKey(ss.SS_MASTER_NODE, self.new_master)
|
1658 | 880478f8 | Iustin Pop | if not rpc.call_upload_file(self.cfg.GetNodeList(), |
1659 | 880478f8 | Iustin Pop | ss.KeyToFilename(ss.SS_MASTER_NODE)): |
1660 | 880478f8 | Iustin Pop | logger.Error("could not distribute the new simple store master file"
|
1661 | 880478f8 | Iustin Pop | " to the other nodes, please check.")
|
1662 | 880478f8 | Iustin Pop | |
1663 | a8083063 | Iustin Pop | if not rpc.call_node_start_master(self.new_master): |
1664 | a8083063 | Iustin Pop | logger.Error("could not start the master role on the new master"
|
1665 | a8083063 | Iustin Pop | " %s, please check" % self.new_master) |
1666 | f4bc1f2c | Michael Hanselmann | feedback_fn("Error in activating the master IP on the new master,"
|
1667 | f4bc1f2c | Michael Hanselmann | " please fix manually.")
|
1668 | a8083063 | Iustin Pop | |
1669 | a8083063 | Iustin Pop | |
1670 | a8083063 | Iustin Pop | |
1671 | a8083063 | Iustin Pop | class LUQueryClusterInfo(NoHooksLU): |
1672 | a8083063 | Iustin Pop | """Query cluster configuration.
|
1673 | a8083063 | Iustin Pop |
|
1674 | a8083063 | Iustin Pop | """
|
1675 | a8083063 | Iustin Pop | _OP_REQP = [] |
1676 | 59322403 | Iustin Pop | REQ_MASTER = False
|
1677 | a8083063 | Iustin Pop | |
1678 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1679 | a8083063 | Iustin Pop | """No prerequsites needed for this LU.
|
1680 | a8083063 | Iustin Pop |
|
1681 | a8083063 | Iustin Pop | """
|
1682 | a8083063 | Iustin Pop | pass
|
1683 | a8083063 | Iustin Pop | |
1684 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1685 | a8083063 | Iustin Pop | """Return cluster config.
|
1686 | a8083063 | Iustin Pop |
|
1687 | a8083063 | Iustin Pop | """
|
1688 | a8083063 | Iustin Pop | result = { |
1689 | 5fcdc80d | Iustin Pop | "name": self.sstore.GetClusterName(), |
1690 | a8083063 | Iustin Pop | "software_version": constants.RELEASE_VERSION,
|
1691 | a8083063 | Iustin Pop | "protocol_version": constants.PROTOCOL_VERSION,
|
1692 | a8083063 | Iustin Pop | "config_version": constants.CONFIG_VERSION,
|
1693 | a8083063 | Iustin Pop | "os_api_version": constants.OS_API_VERSION,
|
1694 | a8083063 | Iustin Pop | "export_version": constants.EXPORT_VERSION,
|
1695 | 880478f8 | Iustin Pop | "master": self.sstore.GetMasterNode(), |
1696 | a8083063 | Iustin Pop | "architecture": (platform.architecture()[0], platform.machine()), |
1697 | a8083063 | Iustin Pop | } |
1698 | a8083063 | Iustin Pop | |
1699 | a8083063 | Iustin Pop | return result
|
1700 | a8083063 | Iustin Pop | |
1701 | a8083063 | Iustin Pop | |
1702 | a8083063 | Iustin Pop | class LUClusterCopyFile(NoHooksLU): |
1703 | a8083063 | Iustin Pop | """Copy file to cluster.
|
1704 | a8083063 | Iustin Pop |
|
1705 | a8083063 | Iustin Pop | """
|
1706 | a8083063 | Iustin Pop | _OP_REQP = ["nodes", "filename"] |
1707 | a8083063 | Iustin Pop | |
1708 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1709 | a8083063 | Iustin Pop | """Check prerequisites.
|
1710 | a8083063 | Iustin Pop |
|
1711 | a8083063 | Iustin Pop | It should check that the named file exists and that the given list
|
1712 | a8083063 | Iustin Pop | of nodes is valid.
|
1713 | a8083063 | Iustin Pop |
|
1714 | a8083063 | Iustin Pop | """
|
1715 | a8083063 | Iustin Pop | if not os.path.exists(self.op.filename): |
1716 | a8083063 | Iustin Pop | raise errors.OpPrereqError("No such filename '%s'" % self.op.filename) |
1717 | dcb93971 | Michael Hanselmann | |
1718 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1719 | a8083063 | Iustin Pop | |
1720 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1721 | a8083063 | Iustin Pop | """Copy a file from master to some nodes.
|
1722 | a8083063 | Iustin Pop |
|
1723 | a8083063 | Iustin Pop | Args:
|
1724 | a8083063 | Iustin Pop | opts - class with options as members
|
1725 | a8083063 | Iustin Pop | args - list containing a single element, the file name
|
1726 | a8083063 | Iustin Pop | Opts used:
|
1727 | a8083063 | Iustin Pop | nodes - list containing the name of target nodes; if empty, all nodes
|
1728 | a8083063 | Iustin Pop |
|
1729 | a8083063 | Iustin Pop | """
|
1730 | a8083063 | Iustin Pop | filename = self.op.filename
|
1731 | a8083063 | Iustin Pop | |
1732 | 89e1fc26 | Iustin Pop | myname = utils.HostInfo().name |
1733 | a8083063 | Iustin Pop | |
1734 | a7ba5e53 | Iustin Pop | for node in self.nodes: |
1735 | a8083063 | Iustin Pop | if node == myname:
|
1736 | a8083063 | Iustin Pop | continue
|
1737 | a8083063 | Iustin Pop | if not ssh.CopyFileToNode(node, filename): |
1738 | a8083063 | Iustin Pop | logger.Error("Copy of file %s to node %s failed" % (filename, node))
|
1739 | a8083063 | Iustin Pop | |
1740 | a8083063 | Iustin Pop | |
1741 | a8083063 | Iustin Pop | class LUDumpClusterConfig(NoHooksLU): |
1742 | a8083063 | Iustin Pop | """Return a text-representation of the cluster-config.
|
1743 | a8083063 | Iustin Pop |
|
1744 | a8083063 | Iustin Pop | """
|
1745 | a8083063 | Iustin Pop | _OP_REQP = [] |
1746 | a8083063 | Iustin Pop | |
1747 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1748 | a8083063 | Iustin Pop | """No prerequisites.
|
1749 | a8083063 | Iustin Pop |
|
1750 | a8083063 | Iustin Pop | """
|
1751 | a8083063 | Iustin Pop | pass
|
1752 | a8083063 | Iustin Pop | |
1753 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1754 | a8083063 | Iustin Pop | """Dump a representation of the cluster config to the standard output.
|
1755 | a8083063 | Iustin Pop |
|
1756 | a8083063 | Iustin Pop | """
|
1757 | a8083063 | Iustin Pop | return self.cfg.DumpConfig() |
1758 | a8083063 | Iustin Pop | |
1759 | a8083063 | Iustin Pop | |
1760 | a8083063 | Iustin Pop | class LURunClusterCommand(NoHooksLU): |
1761 | a8083063 | Iustin Pop | """Run a command on some nodes.
|
1762 | a8083063 | Iustin Pop |
|
1763 | a8083063 | Iustin Pop | """
|
1764 | a8083063 | Iustin Pop | _OP_REQP = ["command", "nodes"] |
1765 | a8083063 | Iustin Pop | |
1766 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1767 | a8083063 | Iustin Pop | """Check prerequisites.
|
1768 | a8083063 | Iustin Pop |
|
1769 | a8083063 | Iustin Pop | It checks that the given list of nodes is valid.
|
1770 | a8083063 | Iustin Pop |
|
1771 | a8083063 | Iustin Pop | """
|
1772 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, self.op.nodes) |
1773 | a8083063 | Iustin Pop | |
1774 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1775 | a8083063 | Iustin Pop | """Run a command on some nodes.
|
1776 | a8083063 | Iustin Pop |
|
1777 | a8083063 | Iustin Pop | """
|
1778 | a8083063 | Iustin Pop | data = [] |
1779 | a8083063 | Iustin Pop | for node in self.nodes: |
1780 | a7ba5e53 | Iustin Pop | result = ssh.SSHCall(node, "root", self.op.command) |
1781 | a7ba5e53 | Iustin Pop | data.append((node, result.output, result.exit_code)) |
1782 | a8083063 | Iustin Pop | |
1783 | a8083063 | Iustin Pop | return data
|
1784 | a8083063 | Iustin Pop | |
1785 | a8083063 | Iustin Pop | |
1786 | a8083063 | Iustin Pop | class LUActivateInstanceDisks(NoHooksLU): |
1787 | a8083063 | Iustin Pop | """Bring up an instance's disks.
|
1788 | a8083063 | Iustin Pop |
|
1789 | a8083063 | Iustin Pop | """
|
1790 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1791 | a8083063 | Iustin Pop | |
1792 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1793 | a8083063 | Iustin Pop | """Check prerequisites.
|
1794 | a8083063 | Iustin Pop |
|
1795 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1796 | a8083063 | Iustin Pop |
|
1797 | a8083063 | Iustin Pop | """
|
1798 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1799 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1800 | a8083063 | Iustin Pop | if instance is None: |
1801 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1802 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1803 | a8083063 | Iustin Pop | self.instance = instance
|
1804 | a8083063 | Iustin Pop | |
1805 | a8083063 | Iustin Pop | |
1806 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1807 | a8083063 | Iustin Pop | """Activate the disks.
|
1808 | a8083063 | Iustin Pop |
|
1809 | a8083063 | Iustin Pop | """
|
1810 | a8083063 | Iustin Pop | disks_ok, disks_info = _AssembleInstanceDisks(self.instance, self.cfg) |
1811 | a8083063 | Iustin Pop | if not disks_ok: |
1812 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Cannot activate block devices") |
1813 | a8083063 | Iustin Pop | |
1814 | a8083063 | Iustin Pop | return disks_info
|
1815 | a8083063 | Iustin Pop | |
1816 | a8083063 | Iustin Pop | |
1817 | a8083063 | Iustin Pop | def _AssembleInstanceDisks(instance, cfg, ignore_secondaries=False): |
1818 | a8083063 | Iustin Pop | """Prepare the block devices for an instance.
|
1819 | a8083063 | Iustin Pop |
|
1820 | a8083063 | Iustin Pop | This sets up the block devices on all nodes.
|
1821 | a8083063 | Iustin Pop |
|
1822 | a8083063 | Iustin Pop | Args:
|
1823 | a8083063 | Iustin Pop | instance: a ganeti.objects.Instance object
|
1824 | a8083063 | Iustin Pop | ignore_secondaries: if true, errors on secondary nodes won't result
|
1825 | a8083063 | Iustin Pop | in an error return from the function
|
1826 | a8083063 | Iustin Pop |
|
1827 | a8083063 | Iustin Pop | Returns:
|
1828 | a8083063 | Iustin Pop | false if the operation failed
|
1829 | a8083063 | Iustin Pop | list of (host, instance_visible_name, node_visible_name) if the operation
|
1830 | a8083063 | Iustin Pop | suceeded with the mapping from node devices to instance devices
|
1831 | a8083063 | Iustin Pop | """
|
1832 | a8083063 | Iustin Pop | device_info = [] |
1833 | a8083063 | Iustin Pop | disks_ok = True
|
1834 | a8083063 | Iustin Pop | for inst_disk in instance.disks: |
1835 | a8083063 | Iustin Pop | master_result = None
|
1836 | a8083063 | Iustin Pop | for node, node_disk in inst_disk.ComputeNodeTree(instance.primary_node): |
1837 | a8083063 | Iustin Pop | cfg.SetDiskID(node_disk, node) |
1838 | a8083063 | Iustin Pop | is_primary = node == instance.primary_node |
1839 | 3f78eef2 | Iustin Pop | result = rpc.call_blockdev_assemble(node, node_disk, |
1840 | 3f78eef2 | Iustin Pop | instance.name, is_primary) |
1841 | a8083063 | Iustin Pop | if not result: |
1842 | f4bc1f2c | Michael Hanselmann | logger.Error("could not prepare block device %s on node %s"
|
1843 | f4bc1f2c | Michael Hanselmann | " (is_primary=%s)" %
|
1844 | f4bc1f2c | Michael Hanselmann | (inst_disk.iv_name, node, is_primary)) |
1845 | a8083063 | Iustin Pop | if is_primary or not ignore_secondaries: |
1846 | a8083063 | Iustin Pop | disks_ok = False
|
1847 | a8083063 | Iustin Pop | if is_primary:
|
1848 | a8083063 | Iustin Pop | master_result = result |
1849 | a8083063 | Iustin Pop | device_info.append((instance.primary_node, inst_disk.iv_name, |
1850 | a8083063 | Iustin Pop | master_result)) |
1851 | a8083063 | Iustin Pop | |
1852 | b352ab5b | Iustin Pop | # leave the disks configured for the primary node
|
1853 | b352ab5b | Iustin Pop | # this is a workaround that would be fixed better by
|
1854 | b352ab5b | Iustin Pop | # improving the logical/physical id handling
|
1855 | b352ab5b | Iustin Pop | for disk in instance.disks: |
1856 | b352ab5b | Iustin Pop | cfg.SetDiskID(disk, instance.primary_node) |
1857 | b352ab5b | Iustin Pop | |
1858 | a8083063 | Iustin Pop | return disks_ok, device_info
|
1859 | a8083063 | Iustin Pop | |
1860 | a8083063 | Iustin Pop | |
1861 | fe7b0351 | Michael Hanselmann | def _StartInstanceDisks(cfg, instance, force): |
1862 | 3ecf6786 | Iustin Pop | """Start the disks of an instance.
|
1863 | 3ecf6786 | Iustin Pop |
|
1864 | 3ecf6786 | Iustin Pop | """
|
1865 | fe7b0351 | Michael Hanselmann | disks_ok, dummy = _AssembleInstanceDisks(instance, cfg, |
1866 | fe7b0351 | Michael Hanselmann | ignore_secondaries=force) |
1867 | fe7b0351 | Michael Hanselmann | if not disks_ok: |
1868 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(instance, cfg) |
1869 | fe7b0351 | Michael Hanselmann | if force is not None and not force: |
1870 | fe7b0351 | Michael Hanselmann | logger.Error("If the message above refers to a secondary node,"
|
1871 | fe7b0351 | Michael Hanselmann | " you can retry the operation using '--force'.")
|
1872 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk consistency error") |
1873 | fe7b0351 | Michael Hanselmann | |
1874 | fe7b0351 | Michael Hanselmann | |
1875 | a8083063 | Iustin Pop | class LUDeactivateInstanceDisks(NoHooksLU): |
1876 | a8083063 | Iustin Pop | """Shutdown an instance's disks.
|
1877 | a8083063 | Iustin Pop |
|
1878 | a8083063 | Iustin Pop | """
|
1879 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
1880 | a8083063 | Iustin Pop | |
1881 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1882 | a8083063 | Iustin Pop | """Check prerequisites.
|
1883 | a8083063 | Iustin Pop |
|
1884 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1885 | a8083063 | Iustin Pop |
|
1886 | a8083063 | Iustin Pop | """
|
1887 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1888 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1889 | a8083063 | Iustin Pop | if instance is None: |
1890 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1891 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1892 | a8083063 | Iustin Pop | self.instance = instance
|
1893 | a8083063 | Iustin Pop | |
1894 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1895 | a8083063 | Iustin Pop | """Deactivate the disks
|
1896 | a8083063 | Iustin Pop |
|
1897 | a8083063 | Iustin Pop | """
|
1898 | a8083063 | Iustin Pop | instance = self.instance
|
1899 | a8083063 | Iustin Pop | ins_l = rpc.call_instance_list([instance.primary_node]) |
1900 | a8083063 | Iustin Pop | ins_l = ins_l[instance.primary_node] |
1901 | a8083063 | Iustin Pop | if not type(ins_l) is list: |
1902 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't contact node '%s'" % |
1903 | 3ecf6786 | Iustin Pop | instance.primary_node) |
1904 | a8083063 | Iustin Pop | |
1905 | a8083063 | Iustin Pop | if self.instance.name in ins_l: |
1906 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance is running, can't shutdown" |
1907 | 3ecf6786 | Iustin Pop | " block devices.")
|
1908 | a8083063 | Iustin Pop | |
1909 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
1910 | a8083063 | Iustin Pop | |
1911 | a8083063 | Iustin Pop | |
1912 | a8083063 | Iustin Pop | def _ShutdownInstanceDisks(instance, cfg, ignore_primary=False): |
1913 | a8083063 | Iustin Pop | """Shutdown block devices of an instance.
|
1914 | a8083063 | Iustin Pop |
|
1915 | a8083063 | Iustin Pop | This does the shutdown on all nodes of the instance.
|
1916 | a8083063 | Iustin Pop |
|
1917 | a8083063 | Iustin Pop | If the ignore_primary is false, errors on the primary node are
|
1918 | a8083063 | Iustin Pop | ignored.
|
1919 | a8083063 | Iustin Pop |
|
1920 | a8083063 | Iustin Pop | """
|
1921 | a8083063 | Iustin Pop | result = True
|
1922 | a8083063 | Iustin Pop | for disk in instance.disks: |
1923 | a8083063 | Iustin Pop | for node, top_disk in disk.ComputeNodeTree(instance.primary_node): |
1924 | a8083063 | Iustin Pop | cfg.SetDiskID(top_disk, node) |
1925 | a8083063 | Iustin Pop | if not rpc.call_blockdev_shutdown(node, top_disk): |
1926 | a8083063 | Iustin Pop | logger.Error("could not shutdown block device %s on node %s" %
|
1927 | a8083063 | Iustin Pop | (disk.iv_name, node)) |
1928 | a8083063 | Iustin Pop | if not ignore_primary or node != instance.primary_node: |
1929 | a8083063 | Iustin Pop | result = False
|
1930 | a8083063 | Iustin Pop | return result
|
1931 | a8083063 | Iustin Pop | |
1932 | a8083063 | Iustin Pop | |
1933 | a8083063 | Iustin Pop | class LUStartupInstance(LogicalUnit): |
1934 | a8083063 | Iustin Pop | """Starts an instance.
|
1935 | a8083063 | Iustin Pop |
|
1936 | a8083063 | Iustin Pop | """
|
1937 | a8083063 | Iustin Pop | HPATH = "instance-start"
|
1938 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
1939 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "force"] |
1940 | a8083063 | Iustin Pop | |
1941 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
1942 | a8083063 | Iustin Pop | """Build hooks env.
|
1943 | a8083063 | Iustin Pop |
|
1944 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
1945 | a8083063 | Iustin Pop |
|
1946 | a8083063 | Iustin Pop | """
|
1947 | a8083063 | Iustin Pop | env = { |
1948 | a8083063 | Iustin Pop | "FORCE": self.op.force, |
1949 | a8083063 | Iustin Pop | } |
1950 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
1951 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
1952 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
1953 | a8083063 | Iustin Pop | return env, nl, nl
|
1954 | a8083063 | Iustin Pop | |
1955 | a8083063 | Iustin Pop | def CheckPrereq(self): |
1956 | a8083063 | Iustin Pop | """Check prerequisites.
|
1957 | a8083063 | Iustin Pop |
|
1958 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
1959 | a8083063 | Iustin Pop |
|
1960 | a8083063 | Iustin Pop | """
|
1961 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
1962 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
1963 | a8083063 | Iustin Pop | if instance is None: |
1964 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
1965 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
1966 | a8083063 | Iustin Pop | |
1967 | a8083063 | Iustin Pop | # check bridges existance
|
1968 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
1969 | a8083063 | Iustin Pop | |
1970 | a8083063 | Iustin Pop | self.instance = instance
|
1971 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
1972 | a8083063 | Iustin Pop | |
1973 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
1974 | a8083063 | Iustin Pop | """Start the instance.
|
1975 | a8083063 | Iustin Pop |
|
1976 | a8083063 | Iustin Pop | """
|
1977 | a8083063 | Iustin Pop | instance = self.instance
|
1978 | a8083063 | Iustin Pop | force = self.op.force
|
1979 | a8083063 | Iustin Pop | extra_args = getattr(self.op, "extra_args", "") |
1980 | a8083063 | Iustin Pop | |
1981 | a8083063 | Iustin Pop | node_current = instance.primary_node |
1982 | a8083063 | Iustin Pop | |
1983 | a8083063 | Iustin Pop | nodeinfo = rpc.call_node_info([node_current], self.cfg.GetVGName())
|
1984 | a8083063 | Iustin Pop | if not nodeinfo: |
1985 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not contact node %s for infos" % |
1986 | 3ecf6786 | Iustin Pop | (node_current)) |
1987 | a8083063 | Iustin Pop | |
1988 | a8083063 | Iustin Pop | freememory = nodeinfo[node_current]['memory_free']
|
1989 | a8083063 | Iustin Pop | memory = instance.memory |
1990 | a8083063 | Iustin Pop | if memory > freememory:
|
1991 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Not enough memory to start instance" |
1992 | 3ecf6786 | Iustin Pop | " %s on node %s"
|
1993 | 3ecf6786 | Iustin Pop | " needed %s MiB, available %s MiB" %
|
1994 | 3ecf6786 | Iustin Pop | (instance.name, node_current, memory, |
1995 | 3ecf6786 | Iustin Pop | freememory)) |
1996 | a8083063 | Iustin Pop | |
1997 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, instance, force)
|
1998 | a8083063 | Iustin Pop | |
1999 | a8083063 | Iustin Pop | if not rpc.call_instance_start(node_current, instance, extra_args): |
2000 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2001 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
2002 | a8083063 | Iustin Pop | |
2003 | a8083063 | Iustin Pop | self.cfg.MarkInstanceUp(instance.name)
|
2004 | a8083063 | Iustin Pop | |
2005 | a8083063 | Iustin Pop | |
2006 | bf6929a2 | Alexander Schreiber | class LURebootInstance(LogicalUnit): |
2007 | bf6929a2 | Alexander Schreiber | """Reboot an instance.
|
2008 | bf6929a2 | Alexander Schreiber |
|
2009 | bf6929a2 | Alexander Schreiber | """
|
2010 | bf6929a2 | Alexander Schreiber | HPATH = "instance-reboot"
|
2011 | bf6929a2 | Alexander Schreiber | HTYPE = constants.HTYPE_INSTANCE |
2012 | bf6929a2 | Alexander Schreiber | _OP_REQP = ["instance_name", "ignore_secondaries", "reboot_type"] |
2013 | bf6929a2 | Alexander Schreiber | |
2014 | bf6929a2 | Alexander Schreiber | def BuildHooksEnv(self): |
2015 | bf6929a2 | Alexander Schreiber | """Build hooks env.
|
2016 | bf6929a2 | Alexander Schreiber |
|
2017 | bf6929a2 | Alexander Schreiber | This runs on master, primary and secondary nodes of the instance.
|
2018 | bf6929a2 | Alexander Schreiber |
|
2019 | bf6929a2 | Alexander Schreiber | """
|
2020 | bf6929a2 | Alexander Schreiber | env = { |
2021 | bf6929a2 | Alexander Schreiber | "IGNORE_SECONDARIES": self.op.ignore_secondaries, |
2022 | bf6929a2 | Alexander Schreiber | } |
2023 | bf6929a2 | Alexander Schreiber | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2024 | bf6929a2 | Alexander Schreiber | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2025 | bf6929a2 | Alexander Schreiber | list(self.instance.secondary_nodes)) |
2026 | bf6929a2 | Alexander Schreiber | return env, nl, nl
|
2027 | bf6929a2 | Alexander Schreiber | |
2028 | bf6929a2 | Alexander Schreiber | def CheckPrereq(self): |
2029 | bf6929a2 | Alexander Schreiber | """Check prerequisites.
|
2030 | bf6929a2 | Alexander Schreiber |
|
2031 | bf6929a2 | Alexander Schreiber | This checks that the instance is in the cluster.
|
2032 | bf6929a2 | Alexander Schreiber |
|
2033 | bf6929a2 | Alexander Schreiber | """
|
2034 | bf6929a2 | Alexander Schreiber | instance = self.cfg.GetInstanceInfo(
|
2035 | bf6929a2 | Alexander Schreiber | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2036 | bf6929a2 | Alexander Schreiber | if instance is None: |
2037 | bf6929a2 | Alexander Schreiber | raise errors.OpPrereqError("Instance '%s' not known" % |
2038 | bf6929a2 | Alexander Schreiber | self.op.instance_name)
|
2039 | bf6929a2 | Alexander Schreiber | |
2040 | bf6929a2 | Alexander Schreiber | # check bridges existance
|
2041 | bf6929a2 | Alexander Schreiber | _CheckInstanceBridgesExist(instance) |
2042 | bf6929a2 | Alexander Schreiber | |
2043 | bf6929a2 | Alexander Schreiber | self.instance = instance
|
2044 | bf6929a2 | Alexander Schreiber | self.op.instance_name = instance.name
|
2045 | bf6929a2 | Alexander Schreiber | |
2046 | bf6929a2 | Alexander Schreiber | def Exec(self, feedback_fn): |
2047 | bf6929a2 | Alexander Schreiber | """Reboot the instance.
|
2048 | bf6929a2 | Alexander Schreiber |
|
2049 | bf6929a2 | Alexander Schreiber | """
|
2050 | bf6929a2 | Alexander Schreiber | instance = self.instance
|
2051 | bf6929a2 | Alexander Schreiber | ignore_secondaries = self.op.ignore_secondaries
|
2052 | bf6929a2 | Alexander Schreiber | reboot_type = self.op.reboot_type
|
2053 | bf6929a2 | Alexander Schreiber | extra_args = getattr(self.op, "extra_args", "") |
2054 | bf6929a2 | Alexander Schreiber | |
2055 | bf6929a2 | Alexander Schreiber | node_current = instance.primary_node |
2056 | bf6929a2 | Alexander Schreiber | |
2057 | bf6929a2 | Alexander Schreiber | if reboot_type not in [constants.INSTANCE_REBOOT_SOFT, |
2058 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD, |
2059 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_FULL]: |
2060 | bf6929a2 | Alexander Schreiber | raise errors.ParameterError("reboot type not in [%s, %s, %s]" % |
2061 | bf6929a2 | Alexander Schreiber | (constants.INSTANCE_REBOOT_SOFT, |
2062 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD, |
2063 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_FULL)) |
2064 | bf6929a2 | Alexander Schreiber | |
2065 | bf6929a2 | Alexander Schreiber | if reboot_type in [constants.INSTANCE_REBOOT_SOFT, |
2066 | bf6929a2 | Alexander Schreiber | constants.INSTANCE_REBOOT_HARD]: |
2067 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_reboot(node_current, instance, |
2068 | bf6929a2 | Alexander Schreiber | reboot_type, extra_args): |
2069 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not reboot instance") |
2070 | bf6929a2 | Alexander Schreiber | else:
|
2071 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_shutdown(node_current, instance): |
2072 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("could not shutdown instance for full reboot") |
2073 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2074 | bf6929a2 | Alexander Schreiber | _StartInstanceDisks(self.cfg, instance, ignore_secondaries)
|
2075 | bf6929a2 | Alexander Schreiber | if not rpc.call_instance_start(node_current, instance, extra_args): |
2076 | bf6929a2 | Alexander Schreiber | _ShutdownInstanceDisks(instance, self.cfg)
|
2077 | bf6929a2 | Alexander Schreiber | raise errors.OpExecError("Could not start instance for full reboot") |
2078 | bf6929a2 | Alexander Schreiber | |
2079 | bf6929a2 | Alexander Schreiber | self.cfg.MarkInstanceUp(instance.name)
|
2080 | bf6929a2 | Alexander Schreiber | |
2081 | bf6929a2 | Alexander Schreiber | |
2082 | a8083063 | Iustin Pop | class LUShutdownInstance(LogicalUnit): |
2083 | a8083063 | Iustin Pop | """Shutdown an instance.
|
2084 | a8083063 | Iustin Pop |
|
2085 | a8083063 | Iustin Pop | """
|
2086 | a8083063 | Iustin Pop | HPATH = "instance-stop"
|
2087 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2088 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2089 | a8083063 | Iustin Pop | |
2090 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2091 | a8083063 | Iustin Pop | """Build hooks env.
|
2092 | a8083063 | Iustin Pop |
|
2093 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2094 | a8083063 | Iustin Pop |
|
2095 | a8083063 | Iustin Pop | """
|
2096 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2097 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2098 | a8083063 | Iustin Pop | list(self.instance.secondary_nodes)) |
2099 | a8083063 | Iustin Pop | return env, nl, nl
|
2100 | a8083063 | Iustin Pop | |
2101 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2102 | a8083063 | Iustin Pop | """Check prerequisites.
|
2103 | a8083063 | Iustin Pop |
|
2104 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2105 | a8083063 | Iustin Pop |
|
2106 | a8083063 | Iustin Pop | """
|
2107 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2108 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2109 | a8083063 | Iustin Pop | if instance is None: |
2110 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2111 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2112 | a8083063 | Iustin Pop | self.instance = instance
|
2113 | a8083063 | Iustin Pop | |
2114 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2115 | a8083063 | Iustin Pop | """Shutdown the instance.
|
2116 | a8083063 | Iustin Pop |
|
2117 | a8083063 | Iustin Pop | """
|
2118 | a8083063 | Iustin Pop | instance = self.instance
|
2119 | a8083063 | Iustin Pop | node_current = instance.primary_node |
2120 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(node_current, instance): |
2121 | a8083063 | Iustin Pop | logger.Error("could not shutdown instance")
|
2122 | a8083063 | Iustin Pop | |
2123 | a8083063 | Iustin Pop | self.cfg.MarkInstanceDown(instance.name)
|
2124 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2125 | a8083063 | Iustin Pop | |
2126 | a8083063 | Iustin Pop | |
2127 | fe7b0351 | Michael Hanselmann | class LUReinstallInstance(LogicalUnit): |
2128 | fe7b0351 | Michael Hanselmann | """Reinstall an instance.
|
2129 | fe7b0351 | Michael Hanselmann |
|
2130 | fe7b0351 | Michael Hanselmann | """
|
2131 | fe7b0351 | Michael Hanselmann | HPATH = "instance-reinstall"
|
2132 | fe7b0351 | Michael Hanselmann | HTYPE = constants.HTYPE_INSTANCE |
2133 | fe7b0351 | Michael Hanselmann | _OP_REQP = ["instance_name"]
|
2134 | fe7b0351 | Michael Hanselmann | |
2135 | fe7b0351 | Michael Hanselmann | def BuildHooksEnv(self): |
2136 | fe7b0351 | Michael Hanselmann | """Build hooks env.
|
2137 | fe7b0351 | Michael Hanselmann |
|
2138 | fe7b0351 | Michael Hanselmann | This runs on master, primary and secondary nodes of the instance.
|
2139 | fe7b0351 | Michael Hanselmann |
|
2140 | fe7b0351 | Michael Hanselmann | """
|
2141 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2142 | fe7b0351 | Michael Hanselmann | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2143 | fe7b0351 | Michael Hanselmann | list(self.instance.secondary_nodes)) |
2144 | fe7b0351 | Michael Hanselmann | return env, nl, nl
|
2145 | fe7b0351 | Michael Hanselmann | |
2146 | fe7b0351 | Michael Hanselmann | def CheckPrereq(self): |
2147 | fe7b0351 | Michael Hanselmann | """Check prerequisites.
|
2148 | fe7b0351 | Michael Hanselmann |
|
2149 | fe7b0351 | Michael Hanselmann | This checks that the instance is in the cluster and is not running.
|
2150 | fe7b0351 | Michael Hanselmann |
|
2151 | fe7b0351 | Michael Hanselmann | """
|
2152 | fe7b0351 | Michael Hanselmann | instance = self.cfg.GetInstanceInfo(
|
2153 | fe7b0351 | Michael Hanselmann | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2154 | fe7b0351 | Michael Hanselmann | if instance is None: |
2155 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2156 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2157 | fe7b0351 | Michael Hanselmann | if instance.disk_template == constants.DT_DISKLESS:
|
2158 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' has no disks" % |
2159 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2160 | fe7b0351 | Michael Hanselmann | if instance.status != "down": |
2161 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2162 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2163 | fe7b0351 | Michael Hanselmann | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2164 | fe7b0351 | Michael Hanselmann | if remote_info:
|
2165 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2166 | 3ecf6786 | Iustin Pop | (self.op.instance_name,
|
2167 | 3ecf6786 | Iustin Pop | instance.primary_node)) |
2168 | d0834de3 | Michael Hanselmann | |
2169 | d0834de3 | Michael Hanselmann | self.op.os_type = getattr(self.op, "os_type", None) |
2170 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2171 | d0834de3 | Michael Hanselmann | # OS verification
|
2172 | d0834de3 | Michael Hanselmann | pnode = self.cfg.GetNodeInfo(
|
2173 | d0834de3 | Michael Hanselmann | self.cfg.ExpandNodeName(instance.primary_node))
|
2174 | d0834de3 | Michael Hanselmann | if pnode is None: |
2175 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2176 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2177 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
2178 | dfa96ded | Guido Trotter | if not os_obj: |
2179 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported OS list for" |
2180 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2181 | d0834de3 | Michael Hanselmann | |
2182 | fe7b0351 | Michael Hanselmann | self.instance = instance
|
2183 | fe7b0351 | Michael Hanselmann | |
2184 | fe7b0351 | Michael Hanselmann | def Exec(self, feedback_fn): |
2185 | fe7b0351 | Michael Hanselmann | """Reinstall the instance.
|
2186 | fe7b0351 | Michael Hanselmann |
|
2187 | fe7b0351 | Michael Hanselmann | """
|
2188 | fe7b0351 | Michael Hanselmann | inst = self.instance
|
2189 | fe7b0351 | Michael Hanselmann | |
2190 | d0834de3 | Michael Hanselmann | if self.op.os_type is not None: |
2191 | d0834de3 | Michael Hanselmann | feedback_fn("Changing OS to '%s'..." % self.op.os_type) |
2192 | d0834de3 | Michael Hanselmann | inst.os = self.op.os_type
|
2193 | d0834de3 | Michael Hanselmann | self.cfg.AddInstance(inst)
|
2194 | d0834de3 | Michael Hanselmann | |
2195 | fe7b0351 | Michael Hanselmann | _StartInstanceDisks(self.cfg, inst, None) |
2196 | fe7b0351 | Michael Hanselmann | try:
|
2197 | fe7b0351 | Michael Hanselmann | feedback_fn("Running the instance OS create scripts...")
|
2198 | fe7b0351 | Michael Hanselmann | if not rpc.call_instance_os_add(inst.primary_node, inst, "sda", "sdb"): |
2199 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Could not install OS for instance %s" |
2200 | f4bc1f2c | Michael Hanselmann | " on node %s" %
|
2201 | 3ecf6786 | Iustin Pop | (inst.name, inst.primary_node)) |
2202 | fe7b0351 | Michael Hanselmann | finally:
|
2203 | fe7b0351 | Michael Hanselmann | _ShutdownInstanceDisks(inst, self.cfg)
|
2204 | fe7b0351 | Michael Hanselmann | |
2205 | fe7b0351 | Michael Hanselmann | |
2206 | decd5f45 | Iustin Pop | class LURenameInstance(LogicalUnit): |
2207 | decd5f45 | Iustin Pop | """Rename an instance.
|
2208 | decd5f45 | Iustin Pop |
|
2209 | decd5f45 | Iustin Pop | """
|
2210 | decd5f45 | Iustin Pop | HPATH = "instance-rename"
|
2211 | decd5f45 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2212 | decd5f45 | Iustin Pop | _OP_REQP = ["instance_name", "new_name"] |
2213 | decd5f45 | Iustin Pop | |
2214 | decd5f45 | Iustin Pop | def BuildHooksEnv(self): |
2215 | decd5f45 | Iustin Pop | """Build hooks env.
|
2216 | decd5f45 | Iustin Pop |
|
2217 | decd5f45 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2218 | decd5f45 | Iustin Pop |
|
2219 | decd5f45 | Iustin Pop | """
|
2220 | decd5f45 | Iustin Pop | env = _BuildInstanceHookEnvByObject(self.instance)
|
2221 | decd5f45 | Iustin Pop | env["INSTANCE_NEW_NAME"] = self.op.new_name |
2222 | decd5f45 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.instance.primary_node] + |
2223 | decd5f45 | Iustin Pop | list(self.instance.secondary_nodes)) |
2224 | decd5f45 | Iustin Pop | return env, nl, nl
|
2225 | decd5f45 | Iustin Pop | |
2226 | decd5f45 | Iustin Pop | def CheckPrereq(self): |
2227 | decd5f45 | Iustin Pop | """Check prerequisites.
|
2228 | decd5f45 | Iustin Pop |
|
2229 | decd5f45 | Iustin Pop | This checks that the instance is in the cluster and is not running.
|
2230 | decd5f45 | Iustin Pop |
|
2231 | decd5f45 | Iustin Pop | """
|
2232 | decd5f45 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2233 | decd5f45 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2234 | decd5f45 | Iustin Pop | if instance is None: |
2235 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2236 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2237 | decd5f45 | Iustin Pop | if instance.status != "down": |
2238 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is marked to be up" % |
2239 | decd5f45 | Iustin Pop | self.op.instance_name)
|
2240 | decd5f45 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, instance.name) |
2241 | decd5f45 | Iustin Pop | if remote_info:
|
2242 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is running on the node %s" % |
2243 | decd5f45 | Iustin Pop | (self.op.instance_name,
|
2244 | decd5f45 | Iustin Pop | instance.primary_node)) |
2245 | decd5f45 | Iustin Pop | self.instance = instance
|
2246 | decd5f45 | Iustin Pop | |
2247 | decd5f45 | Iustin Pop | # new name verification
|
2248 | 89e1fc26 | Iustin Pop | name_info = utils.HostInfo(self.op.new_name)
|
2249 | decd5f45 | Iustin Pop | |
2250 | 89e1fc26 | Iustin Pop | self.op.new_name = new_name = name_info.name
|
2251 | decd5f45 | Iustin Pop | if not getattr(self.op, "ignore_ip", False): |
2252 | 89e1fc26 | Iustin Pop | command = ["fping", "-q", name_info.ip] |
2253 | decd5f45 | Iustin Pop | result = utils.RunCmd(command) |
2254 | decd5f45 | Iustin Pop | if not result.failed: |
2255 | decd5f45 | Iustin Pop | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
2256 | 89e1fc26 | Iustin Pop | (name_info.ip, new_name)) |
2257 | decd5f45 | Iustin Pop | |
2258 | decd5f45 | Iustin Pop | |
2259 | decd5f45 | Iustin Pop | def Exec(self, feedback_fn): |
2260 | decd5f45 | Iustin Pop | """Reinstall the instance.
|
2261 | decd5f45 | Iustin Pop |
|
2262 | decd5f45 | Iustin Pop | """
|
2263 | decd5f45 | Iustin Pop | inst = self.instance
|
2264 | decd5f45 | Iustin Pop | old_name = inst.name |
2265 | decd5f45 | Iustin Pop | |
2266 | decd5f45 | Iustin Pop | self.cfg.RenameInstance(inst.name, self.op.new_name) |
2267 | decd5f45 | Iustin Pop | |
2268 | decd5f45 | Iustin Pop | # re-read the instance from the configuration after rename
|
2269 | decd5f45 | Iustin Pop | inst = self.cfg.GetInstanceInfo(self.op.new_name) |
2270 | decd5f45 | Iustin Pop | |
2271 | decd5f45 | Iustin Pop | _StartInstanceDisks(self.cfg, inst, None) |
2272 | decd5f45 | Iustin Pop | try:
|
2273 | decd5f45 | Iustin Pop | if not rpc.call_instance_run_rename(inst.primary_node, inst, old_name, |
2274 | decd5f45 | Iustin Pop | "sda", "sdb"): |
2275 | f4bc1f2c | Michael Hanselmann | msg = ("Could run OS rename script for instance %s on node %s (but the"
|
2276 | f4bc1f2c | Michael Hanselmann | " instance has been renamed in Ganeti)" %
|
2277 | decd5f45 | Iustin Pop | (inst.name, inst.primary_node)) |
2278 | decd5f45 | Iustin Pop | logger.Error(msg) |
2279 | decd5f45 | Iustin Pop | finally:
|
2280 | decd5f45 | Iustin Pop | _ShutdownInstanceDisks(inst, self.cfg)
|
2281 | decd5f45 | Iustin Pop | |
2282 | decd5f45 | Iustin Pop | |
2283 | a8083063 | Iustin Pop | class LURemoveInstance(LogicalUnit): |
2284 | a8083063 | Iustin Pop | """Remove an instance.
|
2285 | a8083063 | Iustin Pop |
|
2286 | a8083063 | Iustin Pop | """
|
2287 | a8083063 | Iustin Pop | HPATH = "instance-remove"
|
2288 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2289 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
2290 | a8083063 | Iustin Pop | |
2291 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2292 | a8083063 | Iustin Pop | """Build hooks env.
|
2293 | a8083063 | Iustin Pop |
|
2294 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2295 | a8083063 | Iustin Pop |
|
2296 | a8083063 | Iustin Pop | """
|
2297 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance)
|
2298 | 1d67656e | Iustin Pop | nl = [self.sstore.GetMasterNode()]
|
2299 | a8083063 | Iustin Pop | return env, nl, nl
|
2300 | a8083063 | Iustin Pop | |
2301 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2302 | a8083063 | Iustin Pop | """Check prerequisites.
|
2303 | a8083063 | Iustin Pop |
|
2304 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2305 | a8083063 | Iustin Pop |
|
2306 | a8083063 | Iustin Pop | """
|
2307 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2308 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2309 | a8083063 | Iustin Pop | if instance is None: |
2310 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2311 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2312 | a8083063 | Iustin Pop | self.instance = instance
|
2313 | a8083063 | Iustin Pop | |
2314 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2315 | a8083063 | Iustin Pop | """Remove the instance.
|
2316 | a8083063 | Iustin Pop |
|
2317 | a8083063 | Iustin Pop | """
|
2318 | a8083063 | Iustin Pop | instance = self.instance
|
2319 | a8083063 | Iustin Pop | logger.Info("shutting down instance %s on node %s" %
|
2320 | a8083063 | Iustin Pop | (instance.name, instance.primary_node)) |
2321 | a8083063 | Iustin Pop | |
2322 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(instance.primary_node, instance): |
2323 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2324 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't shutdown instance")
|
2325 | 1d67656e | Iustin Pop | else:
|
2326 | 1d67656e | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2327 | 1d67656e | Iustin Pop | (instance.name, instance.primary_node)) |
2328 | a8083063 | Iustin Pop | |
2329 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2330 | a8083063 | Iustin Pop | |
2331 | 1d67656e | Iustin Pop | if not _RemoveDisks(instance, self.cfg): |
2332 | 1d67656e | Iustin Pop | if self.op.ignore_failures: |
2333 | 1d67656e | Iustin Pop | feedback_fn("Warning: can't remove instance's disks")
|
2334 | 1d67656e | Iustin Pop | else:
|
2335 | 1d67656e | Iustin Pop | raise errors.OpExecError("Can't remove instance's disks") |
2336 | a8083063 | Iustin Pop | |
2337 | a8083063 | Iustin Pop | logger.Info("removing instance %s out of cluster config" % instance.name)
|
2338 | a8083063 | Iustin Pop | |
2339 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(instance.name)
|
2340 | a8083063 | Iustin Pop | |
2341 | a8083063 | Iustin Pop | |
2342 | a8083063 | Iustin Pop | class LUQueryInstances(NoHooksLU): |
2343 | a8083063 | Iustin Pop | """Logical unit for querying instances.
|
2344 | a8083063 | Iustin Pop |
|
2345 | a8083063 | Iustin Pop | """
|
2346 | 069dcc86 | Iustin Pop | _OP_REQP = ["output_fields", "names"] |
2347 | a8083063 | Iustin Pop | |
2348 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2349 | a8083063 | Iustin Pop | """Check prerequisites.
|
2350 | a8083063 | Iustin Pop |
|
2351 | a8083063 | Iustin Pop | This checks that the fields required are valid output fields.
|
2352 | a8083063 | Iustin Pop |
|
2353 | a8083063 | Iustin Pop | """
|
2354 | a8083063 | Iustin Pop | self.dynamic_fields = frozenset(["oper_state", "oper_ram"]) |
2355 | dcb93971 | Michael Hanselmann | _CheckOutputFields(static=["name", "os", "pnode", "snodes", |
2356 | dcb93971 | Michael Hanselmann | "admin_state", "admin_ram", |
2357 | 644eeef9 | Iustin Pop | "disk_template", "ip", "mac", "bridge", |
2358 | 644eeef9 | Iustin Pop | "sda_size", "sdb_size"], |
2359 | dcb93971 | Michael Hanselmann | dynamic=self.dynamic_fields,
|
2360 | dcb93971 | Michael Hanselmann | selected=self.op.output_fields)
|
2361 | a8083063 | Iustin Pop | |
2362 | 069dcc86 | Iustin Pop | self.wanted = _GetWantedInstances(self, self.op.names) |
2363 | 069dcc86 | Iustin Pop | |
2364 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2365 | a8083063 | Iustin Pop | """Computes the list of nodes and their attributes.
|
2366 | a8083063 | Iustin Pop |
|
2367 | a8083063 | Iustin Pop | """
|
2368 | 069dcc86 | Iustin Pop | instance_names = self.wanted
|
2369 | a8083063 | Iustin Pop | instance_list = [self.cfg.GetInstanceInfo(iname) for iname |
2370 | a8083063 | Iustin Pop | in instance_names]
|
2371 | a8083063 | Iustin Pop | |
2372 | a8083063 | Iustin Pop | # begin data gathering
|
2373 | a8083063 | Iustin Pop | |
2374 | a8083063 | Iustin Pop | nodes = frozenset([inst.primary_node for inst in instance_list]) |
2375 | a8083063 | Iustin Pop | |
2376 | a8083063 | Iustin Pop | bad_nodes = [] |
2377 | a8083063 | Iustin Pop | if self.dynamic_fields.intersection(self.op.output_fields): |
2378 | a8083063 | Iustin Pop | live_data = {} |
2379 | a8083063 | Iustin Pop | node_data = rpc.call_all_instances_info(nodes) |
2380 | a8083063 | Iustin Pop | for name in nodes: |
2381 | a8083063 | Iustin Pop | result = node_data[name] |
2382 | a8083063 | Iustin Pop | if result:
|
2383 | a8083063 | Iustin Pop | live_data.update(result) |
2384 | a8083063 | Iustin Pop | elif result == False: |
2385 | a8083063 | Iustin Pop | bad_nodes.append(name) |
2386 | a8083063 | Iustin Pop | # else no instance is alive
|
2387 | a8083063 | Iustin Pop | else:
|
2388 | a8083063 | Iustin Pop | live_data = dict([(name, {}) for name in instance_names]) |
2389 | a8083063 | Iustin Pop | |
2390 | a8083063 | Iustin Pop | # end data gathering
|
2391 | a8083063 | Iustin Pop | |
2392 | a8083063 | Iustin Pop | output = [] |
2393 | a8083063 | Iustin Pop | for instance in instance_list: |
2394 | a8083063 | Iustin Pop | iout = [] |
2395 | a8083063 | Iustin Pop | for field in self.op.output_fields: |
2396 | a8083063 | Iustin Pop | if field == "name": |
2397 | a8083063 | Iustin Pop | val = instance.name |
2398 | a8083063 | Iustin Pop | elif field == "os": |
2399 | a8083063 | Iustin Pop | val = instance.os |
2400 | a8083063 | Iustin Pop | elif field == "pnode": |
2401 | a8083063 | Iustin Pop | val = instance.primary_node |
2402 | a8083063 | Iustin Pop | elif field == "snodes": |
2403 | 8a23d2d3 | Iustin Pop | val = list(instance.secondary_nodes)
|
2404 | a8083063 | Iustin Pop | elif field == "admin_state": |
2405 | 8a23d2d3 | Iustin Pop | val = (instance.status != "down")
|
2406 | a8083063 | Iustin Pop | elif field == "oper_state": |
2407 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2408 | 8a23d2d3 | Iustin Pop | val = None
|
2409 | a8083063 | Iustin Pop | else:
|
2410 | 8a23d2d3 | Iustin Pop | val = bool(live_data.get(instance.name))
|
2411 | a8083063 | Iustin Pop | elif field == "admin_ram": |
2412 | a8083063 | Iustin Pop | val = instance.memory |
2413 | a8083063 | Iustin Pop | elif field == "oper_ram": |
2414 | a8083063 | Iustin Pop | if instance.primary_node in bad_nodes: |
2415 | 8a23d2d3 | Iustin Pop | val = None
|
2416 | a8083063 | Iustin Pop | elif instance.name in live_data: |
2417 | a8083063 | Iustin Pop | val = live_data[instance.name].get("memory", "?") |
2418 | a8083063 | Iustin Pop | else:
|
2419 | a8083063 | Iustin Pop | val = "-"
|
2420 | a8083063 | Iustin Pop | elif field == "disk_template": |
2421 | a8083063 | Iustin Pop | val = instance.disk_template |
2422 | a8083063 | Iustin Pop | elif field == "ip": |
2423 | a8083063 | Iustin Pop | val = instance.nics[0].ip
|
2424 | a8083063 | Iustin Pop | elif field == "bridge": |
2425 | a8083063 | Iustin Pop | val = instance.nics[0].bridge
|
2426 | a8083063 | Iustin Pop | elif field == "mac": |
2427 | a8083063 | Iustin Pop | val = instance.nics[0].mac
|
2428 | 644eeef9 | Iustin Pop | elif field == "sda_size" or field == "sdb_size": |
2429 | 644eeef9 | Iustin Pop | disk = instance.FindDisk(field[:3])
|
2430 | 644eeef9 | Iustin Pop | if disk is None: |
2431 | 8a23d2d3 | Iustin Pop | val = None
|
2432 | 644eeef9 | Iustin Pop | else:
|
2433 | 644eeef9 | Iustin Pop | val = disk.size |
2434 | a8083063 | Iustin Pop | else:
|
2435 | 3ecf6786 | Iustin Pop | raise errors.ParameterError(field)
|
2436 | a8083063 | Iustin Pop | iout.append(val) |
2437 | a8083063 | Iustin Pop | output.append(iout) |
2438 | a8083063 | Iustin Pop | |
2439 | a8083063 | Iustin Pop | return output
|
2440 | a8083063 | Iustin Pop | |
2441 | a8083063 | Iustin Pop | |
2442 | a8083063 | Iustin Pop | class LUFailoverInstance(LogicalUnit): |
2443 | a8083063 | Iustin Pop | """Failover an instance.
|
2444 | a8083063 | Iustin Pop |
|
2445 | a8083063 | Iustin Pop | """
|
2446 | a8083063 | Iustin Pop | HPATH = "instance-failover"
|
2447 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2448 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "ignore_consistency"] |
2449 | a8083063 | Iustin Pop | |
2450 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2451 | a8083063 | Iustin Pop | """Build hooks env.
|
2452 | a8083063 | Iustin Pop |
|
2453 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2454 | a8083063 | Iustin Pop |
|
2455 | a8083063 | Iustin Pop | """
|
2456 | a8083063 | Iustin Pop | env = { |
2457 | a8083063 | Iustin Pop | "IGNORE_CONSISTENCY": self.op.ignore_consistency, |
2458 | a8083063 | Iustin Pop | } |
2459 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
2460 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode()] + list(self.instance.secondary_nodes) |
2461 | a8083063 | Iustin Pop | return env, nl, nl
|
2462 | a8083063 | Iustin Pop | |
2463 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2464 | a8083063 | Iustin Pop | """Check prerequisites.
|
2465 | a8083063 | Iustin Pop |
|
2466 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
2467 | a8083063 | Iustin Pop |
|
2468 | a8083063 | Iustin Pop | """
|
2469 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
2470 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
2471 | a8083063 | Iustin Pop | if instance is None: |
2472 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
2473 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
2474 | a8083063 | Iustin Pop | |
2475 | a1f445d3 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
2476 | 2a710df1 | Michael Hanselmann | raise errors.OpPrereqError("Instance's disk layout is not" |
2477 | a1f445d3 | Iustin Pop | " network mirrored, cannot failover.")
|
2478 | 2a710df1 | Michael Hanselmann | |
2479 | 2a710df1 | Michael Hanselmann | secondary_nodes = instance.secondary_nodes |
2480 | 2a710df1 | Michael Hanselmann | if not secondary_nodes: |
2481 | 2a710df1 | Michael Hanselmann | raise errors.ProgrammerError("no secondary node but using " |
2482 | 2a710df1 | Michael Hanselmann | "DT_REMOTE_RAID1 template")
|
2483 | 2a710df1 | Michael Hanselmann | |
2484 | 3a7c308e | Guido Trotter | # check memory requirements on the secondary node
|
2485 | 2a710df1 | Michael Hanselmann | target_node = secondary_nodes[0]
|
2486 | 3a7c308e | Guido Trotter | nodeinfo = rpc.call_node_info([target_node], self.cfg.GetVGName())
|
2487 | 3a7c308e | Guido Trotter | info = nodeinfo.get(target_node, None)
|
2488 | 3a7c308e | Guido Trotter | if not info: |
2489 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
2490 | 3ecf6786 | Iustin Pop | " from node '%s'" % nodeinfo)
|
2491 | 3a7c308e | Guido Trotter | if instance.memory > info['memory_free']: |
2492 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Not enough memory on target node %s." |
2493 | 3ecf6786 | Iustin Pop | " %d MB available, %d MB required" %
|
2494 | 3ecf6786 | Iustin Pop | (target_node, info['memory_free'],
|
2495 | 3ecf6786 | Iustin Pop | instance.memory)) |
2496 | 3a7c308e | Guido Trotter | |
2497 | a8083063 | Iustin Pop | # check bridge existance
|
2498 | a8083063 | Iustin Pop | brlist = [nic.bridge for nic in instance.nics] |
2499 | 50ff9a7a | Iustin Pop | if not rpc.call_bridges_exist(target_node, brlist): |
2500 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("One or more target bridges %s does not" |
2501 | 3ecf6786 | Iustin Pop | " exist on destination node '%s'" %
|
2502 | 50ff9a7a | Iustin Pop | (brlist, target_node)) |
2503 | a8083063 | Iustin Pop | |
2504 | a8083063 | Iustin Pop | self.instance = instance
|
2505 | a8083063 | Iustin Pop | |
2506 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
2507 | a8083063 | Iustin Pop | """Failover an instance.
|
2508 | a8083063 | Iustin Pop |
|
2509 | a8083063 | Iustin Pop | The failover is done by shutting it down on its present node and
|
2510 | a8083063 | Iustin Pop | starting it on the secondary.
|
2511 | a8083063 | Iustin Pop |
|
2512 | a8083063 | Iustin Pop | """
|
2513 | a8083063 | Iustin Pop | instance = self.instance
|
2514 | a8083063 | Iustin Pop | |
2515 | a8083063 | Iustin Pop | source_node = instance.primary_node |
2516 | a8083063 | Iustin Pop | target_node = instance.secondary_nodes[0]
|
2517 | a8083063 | Iustin Pop | |
2518 | a8083063 | Iustin Pop | feedback_fn("* checking disk consistency between source and target")
|
2519 | a8083063 | Iustin Pop | for dev in instance.disks: |
2520 | a8083063 | Iustin Pop | # for remote_raid1, these are md over drbd
|
2521 | a8083063 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, target_node, False): |
2522 | a8083063 | Iustin Pop | if not self.op.ignore_consistency: |
2523 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Disk %s is degraded on target node," |
2524 | 3ecf6786 | Iustin Pop | " aborting failover." % dev.iv_name)
|
2525 | a8083063 | Iustin Pop | |
2526 | a8083063 | Iustin Pop | feedback_fn("* checking target node resource availability")
|
2527 | a8083063 | Iustin Pop | nodeinfo = rpc.call_node_info([target_node], self.cfg.GetVGName())
|
2528 | a8083063 | Iustin Pop | |
2529 | a8083063 | Iustin Pop | if not nodeinfo: |
2530 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not contact target node %s." % |
2531 | 3ecf6786 | Iustin Pop | target_node) |
2532 | a8083063 | Iustin Pop | |
2533 | a8083063 | Iustin Pop | free_memory = int(nodeinfo[target_node]['memory_free']) |
2534 | a8083063 | Iustin Pop | memory = instance.memory |
2535 | a8083063 | Iustin Pop | if memory > free_memory:
|
2536 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Not enough memory to create instance %s on" |
2537 | 3ecf6786 | Iustin Pop | " node %s. needed %s MiB, available %s MiB" %
|
2538 | 3ecf6786 | Iustin Pop | (instance.name, target_node, memory, |
2539 | 3ecf6786 | Iustin Pop | free_memory)) |
2540 | a8083063 | Iustin Pop | |
2541 | a8083063 | Iustin Pop | feedback_fn("* shutting down instance on source node")
|
2542 | a8083063 | Iustin Pop | logger.Info("Shutting down instance %s on node %s" %
|
2543 | a8083063 | Iustin Pop | (instance.name, source_node)) |
2544 | a8083063 | Iustin Pop | |
2545 | a8083063 | Iustin Pop | if not rpc.call_instance_shutdown(source_node, instance): |
2546 | 24a40d57 | Iustin Pop | if self.op.ignore_consistency: |
2547 | 24a40d57 | Iustin Pop | logger.Error("Could not shutdown instance %s on node %s. Proceeding"
|
2548 | 24a40d57 | Iustin Pop | " anyway. Please make sure node %s is down" %
|
2549 | 24a40d57 | Iustin Pop | (instance.name, source_node, source_node)) |
2550 | 24a40d57 | Iustin Pop | else:
|
2551 | 24a40d57 | Iustin Pop | raise errors.OpExecError("Could not shutdown instance %s on node %s" % |
2552 | 24a40d57 | Iustin Pop | (instance.name, source_node)) |
2553 | a8083063 | Iustin Pop | |
2554 | a8083063 | Iustin Pop | feedback_fn("* deactivating the instance's disks on source node")
|
2555 | a8083063 | Iustin Pop | if not _ShutdownInstanceDisks(instance, self.cfg, ignore_primary=True): |
2556 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't shut down the instance's disks.") |
2557 | a8083063 | Iustin Pop | |
2558 | a8083063 | Iustin Pop | instance.primary_node = target_node |
2559 | a8083063 | Iustin Pop | # distribute new instance config to the other nodes
|
2560 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
2561 | a8083063 | Iustin Pop | |
2562 | a8083063 | Iustin Pop | feedback_fn("* activating the instance's disks on target node")
|
2563 | a8083063 | Iustin Pop | logger.Info("Starting instance %s on node %s" %
|
2564 | a8083063 | Iustin Pop | (instance.name, target_node)) |
2565 | a8083063 | Iustin Pop | |
2566 | a8083063 | Iustin Pop | disks_ok, dummy = _AssembleInstanceDisks(instance, self.cfg,
|
2567 | a8083063 | Iustin Pop | ignore_secondaries=True)
|
2568 | a8083063 | Iustin Pop | if not disks_ok: |
2569 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2570 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't activate the instance's disks") |
2571 | a8083063 | Iustin Pop | |
2572 | a8083063 | Iustin Pop | feedback_fn("* starting the instance on the target node")
|
2573 | a8083063 | Iustin Pop | if not rpc.call_instance_start(target_node, instance, None): |
2574 | a8083063 | Iustin Pop | _ShutdownInstanceDisks(instance, self.cfg)
|
2575 | a8083063 | Iustin Pop | raise errors.OpExecError("Could not start instance %s on node %s." % |
2576 | d0b3526f | Michael Hanselmann | (instance.name, target_node)) |
2577 | a8083063 | Iustin Pop | |
2578 | a8083063 | Iustin Pop | |
2579 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnPrimary(cfg, node, instance, device, info): |
2580 | a8083063 | Iustin Pop | """Create a tree of block devices on the primary node.
|
2581 | a8083063 | Iustin Pop |
|
2582 | a8083063 | Iustin Pop | This always creates all devices.
|
2583 | a8083063 | Iustin Pop |
|
2584 | a8083063 | Iustin Pop | """
|
2585 | a8083063 | Iustin Pop | if device.children:
|
2586 | a8083063 | Iustin Pop | for child in device.children: |
2587 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, node, instance, child, info): |
2588 | a8083063 | Iustin Pop | return False |
2589 | a8083063 | Iustin Pop | |
2590 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2591 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2592 | 3f78eef2 | Iustin Pop | instance.name, True, info)
|
2593 | a8083063 | Iustin Pop | if not new_id: |
2594 | a8083063 | Iustin Pop | return False |
2595 | a8083063 | Iustin Pop | if device.physical_id is None: |
2596 | a8083063 | Iustin Pop | device.physical_id = new_id |
2597 | a8083063 | Iustin Pop | return True |
2598 | a8083063 | Iustin Pop | |
2599 | a8083063 | Iustin Pop | |
2600 | 3f78eef2 | Iustin Pop | def _CreateBlockDevOnSecondary(cfg, node, instance, device, force, info): |
2601 | a8083063 | Iustin Pop | """Create a tree of block devices on a secondary node.
|
2602 | a8083063 | Iustin Pop |
|
2603 | a8083063 | Iustin Pop | If this device type has to be created on secondaries, create it and
|
2604 | a8083063 | Iustin Pop | all its children.
|
2605 | a8083063 | Iustin Pop |
|
2606 | a8083063 | Iustin Pop | If not, just recurse to children keeping the same 'force' value.
|
2607 | a8083063 | Iustin Pop |
|
2608 | a8083063 | Iustin Pop | """
|
2609 | a8083063 | Iustin Pop | if device.CreateOnSecondary():
|
2610 | a8083063 | Iustin Pop | force = True
|
2611 | a8083063 | Iustin Pop | if device.children:
|
2612 | a8083063 | Iustin Pop | for child in device.children: |
2613 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, node, instance, |
2614 | 3f78eef2 | Iustin Pop | child, force, info): |
2615 | a8083063 | Iustin Pop | return False |
2616 | a8083063 | Iustin Pop | |
2617 | a8083063 | Iustin Pop | if not force: |
2618 | a8083063 | Iustin Pop | return True |
2619 | a8083063 | Iustin Pop | cfg.SetDiskID(device, node) |
2620 | 3f78eef2 | Iustin Pop | new_id = rpc.call_blockdev_create(node, device, device.size, |
2621 | 3f78eef2 | Iustin Pop | instance.name, False, info)
|
2622 | a8083063 | Iustin Pop | if not new_id: |
2623 | a8083063 | Iustin Pop | return False |
2624 | a8083063 | Iustin Pop | if device.physical_id is None: |
2625 | a8083063 | Iustin Pop | device.physical_id = new_id |
2626 | a8083063 | Iustin Pop | return True |
2627 | a8083063 | Iustin Pop | |
2628 | a8083063 | Iustin Pop | |
2629 | 923b1523 | Iustin Pop | def _GenerateUniqueNames(cfg, exts): |
2630 | 923b1523 | Iustin Pop | """Generate a suitable LV name.
|
2631 | 923b1523 | Iustin Pop |
|
2632 | 923b1523 | Iustin Pop | This will generate a logical volume name for the given instance.
|
2633 | 923b1523 | Iustin Pop |
|
2634 | 923b1523 | Iustin Pop | """
|
2635 | 923b1523 | Iustin Pop | results = [] |
2636 | 923b1523 | Iustin Pop | for val in exts: |
2637 | 923b1523 | Iustin Pop | new_id = cfg.GenerateUniqueID() |
2638 | 923b1523 | Iustin Pop | results.append("%s%s" % (new_id, val))
|
2639 | 923b1523 | Iustin Pop | return results
|
2640 | 923b1523 | Iustin Pop | |
2641 | 923b1523 | Iustin Pop | |
2642 | 923b1523 | Iustin Pop | def _GenerateMDDRBDBranch(cfg, primary, secondary, size, names): |
2643 | a8083063 | Iustin Pop | """Generate a drbd device complete with its children.
|
2644 | a8083063 | Iustin Pop |
|
2645 | a8083063 | Iustin Pop | """
|
2646 | a8083063 | Iustin Pop | port = cfg.AllocatePort() |
2647 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2648 | fe96220b | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2649 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]))
|
2650 | fe96220b | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2651 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]))
|
2652 | fe96220b | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD7, size=size, |
2653 | a8083063 | Iustin Pop | logical_id = (primary, secondary, port), |
2654 | a8083063 | Iustin Pop | children = [dev_data, dev_meta]) |
2655 | a8083063 | Iustin Pop | return drbd_dev
|
2656 | a8083063 | Iustin Pop | |
2657 | a8083063 | Iustin Pop | |
2658 | a1f445d3 | Iustin Pop | def _GenerateDRBD8Branch(cfg, primary, secondary, size, names, iv_name): |
2659 | a1f445d3 | Iustin Pop | """Generate a drbd8 device complete with its children.
|
2660 | a1f445d3 | Iustin Pop |
|
2661 | a1f445d3 | Iustin Pop | """
|
2662 | a1f445d3 | Iustin Pop | port = cfg.AllocatePort() |
2663 | a1f445d3 | Iustin Pop | vgname = cfg.GetVGName() |
2664 | a1f445d3 | Iustin Pop | dev_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
2665 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[0]))
|
2666 | a1f445d3 | Iustin Pop | dev_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
2667 | a1f445d3 | Iustin Pop | logical_id=(vgname, names[1]))
|
2668 | a1f445d3 | Iustin Pop | drbd_dev = objects.Disk(dev_type=constants.LD_DRBD8, size=size, |
2669 | a1f445d3 | Iustin Pop | logical_id = (primary, secondary, port), |
2670 | a1f445d3 | Iustin Pop | children = [dev_data, dev_meta], |
2671 | a1f445d3 | Iustin Pop | iv_name=iv_name) |
2672 | a1f445d3 | Iustin Pop | return drbd_dev
|
2673 | a1f445d3 | Iustin Pop | |
2674 | 923b1523 | Iustin Pop | def _GenerateDiskTemplate(cfg, template_name, |
2675 | a8083063 | Iustin Pop | instance_name, primary_node, |
2676 | a8083063 | Iustin Pop | secondary_nodes, disk_sz, swap_sz): |
2677 | a8083063 | Iustin Pop | """Generate the entire disk layout for a given template type.
|
2678 | a8083063 | Iustin Pop |
|
2679 | a8083063 | Iustin Pop | """
|
2680 | a8083063 | Iustin Pop | #TODO: compute space requirements
|
2681 | a8083063 | Iustin Pop | |
2682 | 923b1523 | Iustin Pop | vgname = cfg.GetVGName() |
2683 | a8083063 | Iustin Pop | if template_name == "diskless": |
2684 | a8083063 | Iustin Pop | disks = [] |
2685 | a8083063 | Iustin Pop | elif template_name == "plain": |
2686 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2687 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2688 | 923b1523 | Iustin Pop | |
2689 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda", ".sdb"]) |
2690 | fe96220b | Iustin Pop | sda_dev = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2691 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]),
|
2692 | a8083063 | Iustin Pop | iv_name = "sda")
|
2693 | fe96220b | Iustin Pop | sdb_dev = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2694 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]),
|
2695 | a8083063 | Iustin Pop | iv_name = "sdb")
|
2696 | a8083063 | Iustin Pop | disks = [sda_dev, sdb_dev] |
2697 | a8083063 | Iustin Pop | elif template_name == "local_raid1": |
2698 | a8083063 | Iustin Pop | if len(secondary_nodes) != 0: |
2699 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2700 | 923b1523 | Iustin Pop | |
2701 | 923b1523 | Iustin Pop | |
2702 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_m1", ".sda_m2", |
2703 | 923b1523 | Iustin Pop | ".sdb_m1", ".sdb_m2"]) |
2704 | fe96220b | Iustin Pop | sda_dev_m1 = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2705 | 923b1523 | Iustin Pop | logical_id=(vgname, names[0]))
|
2706 | fe96220b | Iustin Pop | sda_dev_m2 = objects.Disk(dev_type=constants.LD_LV, size=disk_sz, |
2707 | 923b1523 | Iustin Pop | logical_id=(vgname, names[1]))
|
2708 | fe96220b | Iustin Pop | md_sda_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name = "sda",
|
2709 | a8083063 | Iustin Pop | size=disk_sz, |
2710 | a8083063 | Iustin Pop | children = [sda_dev_m1, sda_dev_m2]) |
2711 | fe96220b | Iustin Pop | sdb_dev_m1 = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2712 | 923b1523 | Iustin Pop | logical_id=(vgname, names[2]))
|
2713 | fe96220b | Iustin Pop | sdb_dev_m2 = objects.Disk(dev_type=constants.LD_LV, size=swap_sz, |
2714 | 923b1523 | Iustin Pop | logical_id=(vgname, names[3]))
|
2715 | fe96220b | Iustin Pop | md_sdb_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name = "sdb",
|
2716 | a8083063 | Iustin Pop | size=swap_sz, |
2717 | a8083063 | Iustin Pop | children = [sdb_dev_m1, sdb_dev_m2]) |
2718 | a8083063 | Iustin Pop | disks = [md_sda_dev, md_sdb_dev] |
2719 | 2a710df1 | Michael Hanselmann | elif template_name == constants.DT_REMOTE_RAID1:
|
2720 | a8083063 | Iustin Pop | if len(secondary_nodes) != 1: |
2721 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2722 | a8083063 | Iustin Pop | remote_node = secondary_nodes[0]
|
2723 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2724 | 923b1523 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2725 | 923b1523 | Iustin Pop | drbd_sda_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node, |
2726 | 923b1523 | Iustin Pop | disk_sz, names[0:2]) |
2727 | fe96220b | Iustin Pop | md_sda_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name="sda",
|
2728 | a8083063 | Iustin Pop | children = [drbd_sda_dev], size=disk_sz) |
2729 | 923b1523 | Iustin Pop | drbd_sdb_dev = _GenerateMDDRBDBranch(cfg, primary_node, remote_node, |
2730 | 923b1523 | Iustin Pop | swap_sz, names[2:4]) |
2731 | fe96220b | Iustin Pop | md_sdb_dev = objects.Disk(dev_type=constants.LD_MD_R1, iv_name="sdb",
|
2732 | a8083063 | Iustin Pop | children = [drbd_sdb_dev], size=swap_sz) |
2733 | a8083063 | Iustin Pop | disks = [md_sda_dev, md_sdb_dev] |
2734 | a1f445d3 | Iustin Pop | elif template_name == constants.DT_DRBD8:
|
2735 | a1f445d3 | Iustin Pop | if len(secondary_nodes) != 1: |
2736 | a1f445d3 | Iustin Pop | raise errors.ProgrammerError("Wrong template configuration") |
2737 | a1f445d3 | Iustin Pop | remote_node = secondary_nodes[0]
|
2738 | a1f445d3 | Iustin Pop | names = _GenerateUniqueNames(cfg, [".sda_data", ".sda_meta", |
2739 | a1f445d3 | Iustin Pop | ".sdb_data", ".sdb_meta"]) |
2740 | a1f445d3 | Iustin Pop | drbd_sda_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2741 | a1f445d3 | Iustin Pop | disk_sz, names[0:2], "sda") |
2742 | a1f445d3 | Iustin Pop | drbd_sdb_dev = _GenerateDRBD8Branch(cfg, primary_node, remote_node, |
2743 | a1f445d3 | Iustin Pop | swap_sz, names[2:4], "sdb") |
2744 | a1f445d3 | Iustin Pop | disks = [drbd_sda_dev, drbd_sdb_dev] |
2745 | a8083063 | Iustin Pop | else:
|
2746 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid disk template '%s'" % template_name) |
2747 | a8083063 | Iustin Pop | return disks
|
2748 | a8083063 | Iustin Pop | |
2749 | a8083063 | Iustin Pop | |
2750 | a0c3fea1 | Michael Hanselmann | def _GetInstanceInfoText(instance): |
2751 | 3ecf6786 | Iustin Pop | """Compute that text that should be added to the disk's metadata.
|
2752 | 3ecf6786 | Iustin Pop |
|
2753 | 3ecf6786 | Iustin Pop | """
|
2754 | a0c3fea1 | Michael Hanselmann | return "originstname+%s" % instance.name |
2755 | a0c3fea1 | Michael Hanselmann | |
2756 | a0c3fea1 | Michael Hanselmann | |
2757 | a8083063 | Iustin Pop | def _CreateDisks(cfg, instance): |
2758 | a8083063 | Iustin Pop | """Create all disks for an instance.
|
2759 | a8083063 | Iustin Pop |
|
2760 | a8083063 | Iustin Pop | This abstracts away some work from AddInstance.
|
2761 | a8083063 | Iustin Pop |
|
2762 | a8083063 | Iustin Pop | Args:
|
2763 | a8083063 | Iustin Pop | instance: the instance object
|
2764 | a8083063 | Iustin Pop |
|
2765 | a8083063 | Iustin Pop | Returns:
|
2766 | a8083063 | Iustin Pop | True or False showing the success of the creation process
|
2767 | a8083063 | Iustin Pop |
|
2768 | a8083063 | Iustin Pop | """
|
2769 | a0c3fea1 | Michael Hanselmann | info = _GetInstanceInfoText(instance) |
2770 | a0c3fea1 | Michael Hanselmann | |
2771 | a8083063 | Iustin Pop | for device in instance.disks: |
2772 | a8083063 | Iustin Pop | logger.Info("creating volume %s for instance %s" %
|
2773 | a8083063 | Iustin Pop | (device.iv_name, instance.name)) |
2774 | a8083063 | Iustin Pop | #HARDCODE
|
2775 | a8083063 | Iustin Pop | for secondary_node in instance.secondary_nodes: |
2776 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, secondary_node, instance, |
2777 | 3f78eef2 | Iustin Pop | device, False, info):
|
2778 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s (%s) on secondary node %s!" %
|
2779 | a8083063 | Iustin Pop | (device.iv_name, device, secondary_node)) |
2780 | a8083063 | Iustin Pop | return False |
2781 | a8083063 | Iustin Pop | #HARDCODE
|
2782 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, |
2783 | 3f78eef2 | Iustin Pop | instance, device, info): |
2784 | a8083063 | Iustin Pop | logger.Error("failed to create volume %s on primary!" %
|
2785 | a8083063 | Iustin Pop | device.iv_name) |
2786 | a8083063 | Iustin Pop | return False |
2787 | a8083063 | Iustin Pop | return True |
2788 | a8083063 | Iustin Pop | |
2789 | a8083063 | Iustin Pop | |
2790 | a8083063 | Iustin Pop | def _RemoveDisks(instance, cfg): |
2791 | a8083063 | Iustin Pop | """Remove all disks for an instance.
|
2792 | a8083063 | Iustin Pop |
|
2793 | a8083063 | Iustin Pop | This abstracts away some work from `AddInstance()` and
|
2794 | a8083063 | Iustin Pop | `RemoveInstance()`. Note that in case some of the devices couldn't
|
2795 | 1d67656e | Iustin Pop | be removed, the removal will continue with the other ones (compare
|
2796 | a8083063 | Iustin Pop | with `_CreateDisks()`).
|
2797 | a8083063 | Iustin Pop |
|
2798 | a8083063 | Iustin Pop | Args:
|
2799 | a8083063 | Iustin Pop | instance: the instance object
|
2800 | a8083063 | Iustin Pop |
|
2801 | a8083063 | Iustin Pop | Returns:
|
2802 | a8083063 | Iustin Pop | True or False showing the success of the removal proces
|
2803 | a8083063 | Iustin Pop |
|
2804 | a8083063 | Iustin Pop | """
|
2805 | a8083063 | Iustin Pop | logger.Info("removing block devices for instance %s" % instance.name)
|
2806 | a8083063 | Iustin Pop | |
2807 | a8083063 | Iustin Pop | result = True
|
2808 | a8083063 | Iustin Pop | for device in instance.disks: |
2809 | a8083063 | Iustin Pop | for node, disk in device.ComputeNodeTree(instance.primary_node): |
2810 | a8083063 | Iustin Pop | cfg.SetDiskID(disk, node) |
2811 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, disk): |
2812 | a8083063 | Iustin Pop | logger.Error("could not remove block device %s on node %s,"
|
2813 | a8083063 | Iustin Pop | " continuing anyway" %
|
2814 | a8083063 | Iustin Pop | (device.iv_name, node)) |
2815 | a8083063 | Iustin Pop | result = False
|
2816 | a8083063 | Iustin Pop | return result
|
2817 | a8083063 | Iustin Pop | |
2818 | a8083063 | Iustin Pop | |
2819 | a8083063 | Iustin Pop | class LUCreateInstance(LogicalUnit): |
2820 | a8083063 | Iustin Pop | """Create an instance.
|
2821 | a8083063 | Iustin Pop |
|
2822 | a8083063 | Iustin Pop | """
|
2823 | a8083063 | Iustin Pop | HPATH = "instance-add"
|
2824 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
2825 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "mem_size", "disk_size", "pnode", |
2826 | a8083063 | Iustin Pop | "disk_template", "swap_size", "mode", "start", "vcpus", |
2827 | bdd55f71 | Iustin Pop | "wait_for_sync", "ip_check"] |
2828 | a8083063 | Iustin Pop | |
2829 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
2830 | a8083063 | Iustin Pop | """Build hooks env.
|
2831 | a8083063 | Iustin Pop |
|
2832 | a8083063 | Iustin Pop | This runs on master, primary and secondary nodes of the instance.
|
2833 | a8083063 | Iustin Pop |
|
2834 | a8083063 | Iustin Pop | """
|
2835 | a8083063 | Iustin Pop | env = { |
2836 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_TEMPLATE": self.op.disk_template, |
2837 | 396e1b78 | Michael Hanselmann | "INSTANCE_DISK_SIZE": self.op.disk_size, |
2838 | 396e1b78 | Michael Hanselmann | "INSTANCE_SWAP_SIZE": self.op.swap_size, |
2839 | a8083063 | Iustin Pop | "INSTANCE_ADD_MODE": self.op.mode, |
2840 | a8083063 | Iustin Pop | } |
2841 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2842 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_NODE"] = self.op.src_node |
2843 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_PATH"] = self.op.src_path |
2844 | 396e1b78 | Michael Hanselmann | env["INSTANCE_SRC_IMAGE"] = self.src_image |
2845 | 396e1b78 | Michael Hanselmann | |
2846 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnv(name=self.op.instance_name,
|
2847 | 396e1b78 | Michael Hanselmann | primary_node=self.op.pnode,
|
2848 | 396e1b78 | Michael Hanselmann | secondary_nodes=self.secondaries,
|
2849 | 396e1b78 | Michael Hanselmann | status=self.instance_status,
|
2850 | ecb215b5 | Michael Hanselmann | os_type=self.op.os_type,
|
2851 | 396e1b78 | Michael Hanselmann | memory=self.op.mem_size,
|
2852 | 396e1b78 | Michael Hanselmann | vcpus=self.op.vcpus,
|
2853 | 396e1b78 | Michael Hanselmann | nics=[(self.inst_ip, self.op.bridge)], |
2854 | 396e1b78 | Michael Hanselmann | )) |
2855 | a8083063 | Iustin Pop | |
2856 | 880478f8 | Iustin Pop | nl = ([self.sstore.GetMasterNode(), self.op.pnode] + |
2857 | a8083063 | Iustin Pop | self.secondaries)
|
2858 | a8083063 | Iustin Pop | return env, nl, nl
|
2859 | a8083063 | Iustin Pop | |
2860 | a8083063 | Iustin Pop | |
2861 | a8083063 | Iustin Pop | def CheckPrereq(self): |
2862 | a8083063 | Iustin Pop | """Check prerequisites.
|
2863 | a8083063 | Iustin Pop |
|
2864 | a8083063 | Iustin Pop | """
|
2865 | a8083063 | Iustin Pop | if self.op.mode not in (constants.INSTANCE_CREATE, |
2866 | a8083063 | Iustin Pop | constants.INSTANCE_IMPORT): |
2867 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance creation mode '%s'" % |
2868 | 3ecf6786 | Iustin Pop | self.op.mode)
|
2869 | a8083063 | Iustin Pop | |
2870 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_IMPORT: |
2871 | a8083063 | Iustin Pop | src_node = getattr(self.op, "src_node", None) |
2872 | a8083063 | Iustin Pop | src_path = getattr(self.op, "src_path", None) |
2873 | a8083063 | Iustin Pop | if src_node is None or src_path is None: |
2874 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Importing an instance requires source" |
2875 | 3ecf6786 | Iustin Pop | " node and path options")
|
2876 | a8083063 | Iustin Pop | src_node_full = self.cfg.ExpandNodeName(src_node)
|
2877 | a8083063 | Iustin Pop | if src_node_full is None: |
2878 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown source node '%s'" % src_node) |
2879 | a8083063 | Iustin Pop | self.op.src_node = src_node = src_node_full
|
2880 | a8083063 | Iustin Pop | |
2881 | a8083063 | Iustin Pop | if not os.path.isabs(src_path): |
2882 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The source path must be absolute") |
2883 | a8083063 | Iustin Pop | |
2884 | a8083063 | Iustin Pop | export_info = rpc.call_export_info(src_node, src_path) |
2885 | a8083063 | Iustin Pop | |
2886 | a8083063 | Iustin Pop | if not export_info: |
2887 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No export found in dir %s" % src_path) |
2888 | a8083063 | Iustin Pop | |
2889 | a8083063 | Iustin Pop | if not export_info.has_section(constants.INISECT_EXP): |
2890 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Corrupted export config") |
2891 | a8083063 | Iustin Pop | |
2892 | a8083063 | Iustin Pop | ei_version = export_info.get(constants.INISECT_EXP, 'version')
|
2893 | a8083063 | Iustin Pop | if (int(ei_version) != constants.EXPORT_VERSION): |
2894 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong export version %s (wanted %d)" % |
2895 | 3ecf6786 | Iustin Pop | (ei_version, constants.EXPORT_VERSION)) |
2896 | a8083063 | Iustin Pop | |
2897 | a8083063 | Iustin Pop | if int(export_info.get(constants.INISECT_INS, 'disk_count')) > 1: |
2898 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't import instance with more than" |
2899 | 3ecf6786 | Iustin Pop | " one data disk")
|
2900 | a8083063 | Iustin Pop | |
2901 | a8083063 | Iustin Pop | # FIXME: are the old os-es, disk sizes, etc. useful?
|
2902 | a8083063 | Iustin Pop | self.op.os_type = export_info.get(constants.INISECT_EXP, 'os') |
2903 | a8083063 | Iustin Pop | diskimage = os.path.join(src_path, export_info.get(constants.INISECT_INS, |
2904 | a8083063 | Iustin Pop | 'disk0_dump'))
|
2905 | a8083063 | Iustin Pop | self.src_image = diskimage
|
2906 | a8083063 | Iustin Pop | else: # INSTANCE_CREATE |
2907 | a8083063 | Iustin Pop | if getattr(self.op, "os_type", None) is None: |
2908 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No guest OS specified") |
2909 | a8083063 | Iustin Pop | |
2910 | a8083063 | Iustin Pop | # check primary node
|
2911 | a8083063 | Iustin Pop | pnode = self.cfg.GetNodeInfo(self.cfg.ExpandNodeName(self.op.pnode)) |
2912 | a8083063 | Iustin Pop | if pnode is None: |
2913 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Primary node '%s' is unknown" % |
2914 | 3ecf6786 | Iustin Pop | self.op.pnode)
|
2915 | a8083063 | Iustin Pop | self.op.pnode = pnode.name
|
2916 | a8083063 | Iustin Pop | self.pnode = pnode
|
2917 | a8083063 | Iustin Pop | self.secondaries = []
|
2918 | a8083063 | Iustin Pop | # disk template and mirror node verification
|
2919 | a8083063 | Iustin Pop | if self.op.disk_template not in constants.DISK_TEMPLATES: |
2920 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid disk template name") |
2921 | a8083063 | Iustin Pop | |
2922 | a1f445d3 | Iustin Pop | if self.op.disk_template in constants.DTS_NET_MIRROR: |
2923 | a8083063 | Iustin Pop | if getattr(self.op, "snode", None) is None: |
2924 | a1f445d3 | Iustin Pop | raise errors.OpPrereqError("The networked disk templates need" |
2925 | 3ecf6786 | Iustin Pop | " a mirror node")
|
2926 | a8083063 | Iustin Pop | |
2927 | a8083063 | Iustin Pop | snode_name = self.cfg.ExpandNodeName(self.op.snode) |
2928 | a8083063 | Iustin Pop | if snode_name is None: |
2929 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Unknown secondary node '%s'" % |
2930 | 3ecf6786 | Iustin Pop | self.op.snode)
|
2931 | a8083063 | Iustin Pop | elif snode_name == pnode.name:
|
2932 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The secondary node cannot be" |
2933 | 3ecf6786 | Iustin Pop | " the primary node.")
|
2934 | a8083063 | Iustin Pop | self.secondaries.append(snode_name)
|
2935 | a8083063 | Iustin Pop | |
2936 | ed1ebc60 | Guido Trotter | # Check lv size requirements
|
2937 | ed1ebc60 | Guido Trotter | nodenames = [pnode.name] + self.secondaries
|
2938 | ed1ebc60 | Guido Trotter | nodeinfo = rpc.call_node_info(nodenames, self.cfg.GetVGName())
|
2939 | ed1ebc60 | Guido Trotter | |
2940 | ed1ebc60 | Guido Trotter | # Required free disk space as a function of disk and swap space
|
2941 | ed1ebc60 | Guido Trotter | req_size_dict = { |
2942 | ed1ebc60 | Guido Trotter | constants.DT_DISKLESS: 0,
|
2943 | ed1ebc60 | Guido Trotter | constants.DT_PLAIN: self.op.disk_size + self.op.swap_size, |
2944 | ed1ebc60 | Guido Trotter | constants.DT_LOCAL_RAID1: (self.op.disk_size + self.op.swap_size) * 2, |
2945 | ed1ebc60 | Guido Trotter | # 256 MB are added for drbd metadata, 128MB for each drbd device
|
2946 | ed1ebc60 | Guido Trotter | constants.DT_REMOTE_RAID1: self.op.disk_size + self.op.swap_size + 256, |
2947 | a1f445d3 | Iustin Pop | constants.DT_DRBD8: self.op.disk_size + self.op.swap_size + 256, |
2948 | ed1ebc60 | Guido Trotter | } |
2949 | ed1ebc60 | Guido Trotter | |
2950 | ed1ebc60 | Guido Trotter | if self.op.disk_template not in req_size_dict: |
2951 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Disk template '%s' size requirement" |
2952 | 3ecf6786 | Iustin Pop | " is unknown" % self.op.disk_template) |
2953 | ed1ebc60 | Guido Trotter | |
2954 | ed1ebc60 | Guido Trotter | req_size = req_size_dict[self.op.disk_template]
|
2955 | ed1ebc60 | Guido Trotter | |
2956 | ed1ebc60 | Guido Trotter | for node in nodenames: |
2957 | ed1ebc60 | Guido Trotter | info = nodeinfo.get(node, None)
|
2958 | ed1ebc60 | Guido Trotter | if not info: |
2959 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot get current information" |
2960 | 3ecf6786 | Iustin Pop | " from node '%s'" % nodeinfo)
|
2961 | ed1ebc60 | Guido Trotter | if req_size > info['vg_free']: |
2962 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Not enough disk space on target node %s." |
2963 | 3ecf6786 | Iustin Pop | " %d MB available, %d MB required" %
|
2964 | 3ecf6786 | Iustin Pop | (node, info['vg_free'], req_size))
|
2965 | ed1ebc60 | Guido Trotter | |
2966 | a8083063 | Iustin Pop | # os verification
|
2967 | 00fe9e38 | Guido Trotter | os_obj = rpc.call_os_get(pnode.name, self.op.os_type)
|
2968 | dfa96ded | Guido Trotter | if not os_obj: |
2969 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("OS '%s' not in supported os list for" |
2970 | 3ecf6786 | Iustin Pop | " primary node" % self.op.os_type) |
2971 | a8083063 | Iustin Pop | |
2972 | a8083063 | Iustin Pop | # instance verification
|
2973 | 89e1fc26 | Iustin Pop | hostname1 = utils.HostInfo(self.op.instance_name)
|
2974 | a8083063 | Iustin Pop | |
2975 | bcf043c9 | Iustin Pop | self.op.instance_name = instance_name = hostname1.name
|
2976 | a8083063 | Iustin Pop | instance_list = self.cfg.GetInstanceList()
|
2977 | a8083063 | Iustin Pop | if instance_name in instance_list: |
2978 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' is already in the cluster" % |
2979 | 3ecf6786 | Iustin Pop | instance_name) |
2980 | a8083063 | Iustin Pop | |
2981 | a8083063 | Iustin Pop | ip = getattr(self.op, "ip", None) |
2982 | a8083063 | Iustin Pop | if ip is None or ip.lower() == "none": |
2983 | a8083063 | Iustin Pop | inst_ip = None
|
2984 | a8083063 | Iustin Pop | elif ip.lower() == "auto": |
2985 | bcf043c9 | Iustin Pop | inst_ip = hostname1.ip |
2986 | a8083063 | Iustin Pop | else:
|
2987 | a8083063 | Iustin Pop | if not utils.IsValidIP(ip): |
2988 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("given IP address '%s' doesn't look" |
2989 | 3ecf6786 | Iustin Pop | " like a valid IP" % ip)
|
2990 | a8083063 | Iustin Pop | inst_ip = ip |
2991 | a8083063 | Iustin Pop | self.inst_ip = inst_ip
|
2992 | a8083063 | Iustin Pop | |
2993 | bdd55f71 | Iustin Pop | if self.op.start and not self.op.ip_check: |
2994 | bdd55f71 | Iustin Pop | raise errors.OpPrereqError("Cannot ignore IP address conflicts when" |
2995 | bdd55f71 | Iustin Pop | " adding an instance in start mode")
|
2996 | bdd55f71 | Iustin Pop | |
2997 | bdd55f71 | Iustin Pop | if self.op.ip_check: |
2998 | 16abfbc2 | Alexander Schreiber | if utils.TcpPing(utils.HostInfo().name, hostname1.ip,
|
2999 | 16abfbc2 | Alexander Schreiber | constants.DEFAULT_NODED_PORT): |
3000 | 16abfbc2 | Alexander Schreiber | raise errors.OpPrereqError("IP %s of instance %s already in use" % |
3001 | 16abfbc2 | Alexander Schreiber | (hostname1.ip, instance_name)) |
3002 | a8083063 | Iustin Pop | |
3003 | a8083063 | Iustin Pop | # bridge verification
|
3004 | a8083063 | Iustin Pop | bridge = getattr(self.op, "bridge", None) |
3005 | a8083063 | Iustin Pop | if bridge is None: |
3006 | a8083063 | Iustin Pop | self.op.bridge = self.cfg.GetDefBridge() |
3007 | a8083063 | Iustin Pop | else:
|
3008 | a8083063 | Iustin Pop | self.op.bridge = bridge
|
3009 | a8083063 | Iustin Pop | |
3010 | a8083063 | Iustin Pop | if not rpc.call_bridges_exist(self.pnode.name, [self.op.bridge]): |
3011 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("target bridge '%s' does not exist on" |
3012 | 3ecf6786 | Iustin Pop | " destination node '%s'" %
|
3013 | 3ecf6786 | Iustin Pop | (self.op.bridge, pnode.name))
|
3014 | a8083063 | Iustin Pop | |
3015 | a8083063 | Iustin Pop | if self.op.start: |
3016 | a8083063 | Iustin Pop | self.instance_status = 'up' |
3017 | a8083063 | Iustin Pop | else:
|
3018 | a8083063 | Iustin Pop | self.instance_status = 'down' |
3019 | a8083063 | Iustin Pop | |
3020 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3021 | a8083063 | Iustin Pop | """Create and add the instance to the cluster.
|
3022 | a8083063 | Iustin Pop |
|
3023 | a8083063 | Iustin Pop | """
|
3024 | a8083063 | Iustin Pop | instance = self.op.instance_name
|
3025 | a8083063 | Iustin Pop | pnode_name = self.pnode.name
|
3026 | a8083063 | Iustin Pop | |
3027 | a8083063 | Iustin Pop | nic = objects.NIC(bridge=self.op.bridge, mac=self.cfg.GenerateMAC()) |
3028 | a8083063 | Iustin Pop | if self.inst_ip is not None: |
3029 | a8083063 | Iustin Pop | nic.ip = self.inst_ip
|
3030 | a8083063 | Iustin Pop | |
3031 | 58acb49d | Alexander Schreiber | network_port = None # placeholder assignment for later |
3032 | 58acb49d | Alexander Schreiber | |
3033 | 923b1523 | Iustin Pop | disks = _GenerateDiskTemplate(self.cfg,
|
3034 | a8083063 | Iustin Pop | self.op.disk_template,
|
3035 | a8083063 | Iustin Pop | instance, pnode_name, |
3036 | a8083063 | Iustin Pop | self.secondaries, self.op.disk_size, |
3037 | a8083063 | Iustin Pop | self.op.swap_size)
|
3038 | a8083063 | Iustin Pop | |
3039 | a8083063 | Iustin Pop | iobj = objects.Instance(name=instance, os=self.op.os_type,
|
3040 | a8083063 | Iustin Pop | primary_node=pnode_name, |
3041 | a8083063 | Iustin Pop | memory=self.op.mem_size,
|
3042 | a8083063 | Iustin Pop | vcpus=self.op.vcpus,
|
3043 | a8083063 | Iustin Pop | nics=[nic], disks=disks, |
3044 | a8083063 | Iustin Pop | disk_template=self.op.disk_template,
|
3045 | a8083063 | Iustin Pop | status=self.instance_status,
|
3046 | 58acb49d | Alexander Schreiber | network_port=network_port, |
3047 | a8083063 | Iustin Pop | ) |
3048 | a8083063 | Iustin Pop | |
3049 | a8083063 | Iustin Pop | feedback_fn("* creating instance disks...")
|
3050 | a8083063 | Iustin Pop | if not _CreateDisks(self.cfg, iobj): |
3051 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3052 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Device creation failed, reverting...") |
3053 | a8083063 | Iustin Pop | |
3054 | a8083063 | Iustin Pop | feedback_fn("adding instance %s to cluster config" % instance)
|
3055 | a8083063 | Iustin Pop | |
3056 | a8083063 | Iustin Pop | self.cfg.AddInstance(iobj)
|
3057 | a8083063 | Iustin Pop | |
3058 | a8083063 | Iustin Pop | if self.op.wait_for_sync: |
3059 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc) |
3060 | a1f445d3 | Iustin Pop | elif iobj.disk_template in constants.DTS_NET_MIRROR: |
3061 | a8083063 | Iustin Pop | # make sure the disks are not degraded (still sync-ing is ok)
|
3062 | a8083063 | Iustin Pop | time.sleep(15)
|
3063 | a8083063 | Iustin Pop | feedback_fn("* checking mirrors status")
|
3064 | 5bfac263 | Iustin Pop | disk_abort = not _WaitForSync(self.cfg, iobj, self.proc, oneshot=True) |
3065 | a8083063 | Iustin Pop | else:
|
3066 | a8083063 | Iustin Pop | disk_abort = False
|
3067 | a8083063 | Iustin Pop | |
3068 | a8083063 | Iustin Pop | if disk_abort:
|
3069 | a8083063 | Iustin Pop | _RemoveDisks(iobj, self.cfg)
|
3070 | a8083063 | Iustin Pop | self.cfg.RemoveInstance(iobj.name)
|
3071 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("There are some degraded disks for" |
3072 | 3ecf6786 | Iustin Pop | " this instance")
|
3073 | a8083063 | Iustin Pop | |
3074 | a8083063 | Iustin Pop | feedback_fn("creating os for instance %s on node %s" %
|
3075 | a8083063 | Iustin Pop | (instance, pnode_name)) |
3076 | a8083063 | Iustin Pop | |
3077 | a8083063 | Iustin Pop | if iobj.disk_template != constants.DT_DISKLESS:
|
3078 | a8083063 | Iustin Pop | if self.op.mode == constants.INSTANCE_CREATE: |
3079 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS create scripts...")
|
3080 | a8083063 | Iustin Pop | if not rpc.call_instance_os_add(pnode_name, iobj, "sda", "sdb"): |
3081 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("could not add os for instance %s" |
3082 | 3ecf6786 | Iustin Pop | " on node %s" %
|
3083 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3084 | a8083063 | Iustin Pop | |
3085 | a8083063 | Iustin Pop | elif self.op.mode == constants.INSTANCE_IMPORT: |
3086 | a8083063 | Iustin Pop | feedback_fn("* running the instance OS import scripts...")
|
3087 | a8083063 | Iustin Pop | src_node = self.op.src_node
|
3088 | a8083063 | Iustin Pop | src_image = self.src_image
|
3089 | a8083063 | Iustin Pop | if not rpc.call_instance_os_import(pnode_name, iobj, "sda", "sdb", |
3090 | a8083063 | Iustin Pop | src_node, src_image): |
3091 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not import os for instance" |
3092 | 3ecf6786 | Iustin Pop | " %s on node %s" %
|
3093 | 3ecf6786 | Iustin Pop | (instance, pnode_name)) |
3094 | a8083063 | Iustin Pop | else:
|
3095 | a8083063 | Iustin Pop | # also checked in the prereq part
|
3096 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unknown OS initialization mode '%s'" |
3097 | 3ecf6786 | Iustin Pop | % self.op.mode)
|
3098 | a8083063 | Iustin Pop | |
3099 | a8083063 | Iustin Pop | if self.op.start: |
3100 | a8083063 | Iustin Pop | logger.Info("starting instance %s on node %s" % (instance, pnode_name))
|
3101 | a8083063 | Iustin Pop | feedback_fn("* starting instance...")
|
3102 | a8083063 | Iustin Pop | if not rpc.call_instance_start(pnode_name, iobj, None): |
3103 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Could not start instance") |
3104 | a8083063 | Iustin Pop | |
3105 | a8083063 | Iustin Pop | |
3106 | a8083063 | Iustin Pop | class LUConnectConsole(NoHooksLU): |
3107 | a8083063 | Iustin Pop | """Connect to an instance's console.
|
3108 | a8083063 | Iustin Pop |
|
3109 | a8083063 | Iustin Pop | This is somewhat special in that it returns the command line that
|
3110 | a8083063 | Iustin Pop | you need to run on the master node in order to connect to the
|
3111 | a8083063 | Iustin Pop | console.
|
3112 | a8083063 | Iustin Pop |
|
3113 | a8083063 | Iustin Pop | """
|
3114 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
3115 | a8083063 | Iustin Pop | |
3116 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3117 | a8083063 | Iustin Pop | """Check prerequisites.
|
3118 | a8083063 | Iustin Pop |
|
3119 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3120 | a8083063 | Iustin Pop |
|
3121 | a8083063 | Iustin Pop | """
|
3122 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3123 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3124 | a8083063 | Iustin Pop | if instance is None: |
3125 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3126 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3127 | a8083063 | Iustin Pop | self.instance = instance
|
3128 | a8083063 | Iustin Pop | |
3129 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3130 | a8083063 | Iustin Pop | """Connect to the console of an instance
|
3131 | a8083063 | Iustin Pop |
|
3132 | a8083063 | Iustin Pop | """
|
3133 | a8083063 | Iustin Pop | instance = self.instance
|
3134 | a8083063 | Iustin Pop | node = instance.primary_node |
3135 | a8083063 | Iustin Pop | |
3136 | a8083063 | Iustin Pop | node_insts = rpc.call_instance_list([node])[node] |
3137 | a8083063 | Iustin Pop | if node_insts is False: |
3138 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't connect to node %s." % node) |
3139 | a8083063 | Iustin Pop | |
3140 | a8083063 | Iustin Pop | if instance.name not in node_insts: |
3141 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Instance %s is not running." % instance.name) |
3142 | a8083063 | Iustin Pop | |
3143 | a8083063 | Iustin Pop | logger.Debug("connecting to console of %s on %s" % (instance.name, node))
|
3144 | a8083063 | Iustin Pop | |
3145 | a8083063 | Iustin Pop | hyper = hypervisor.GetHypervisor() |
3146 | a8083063 | Iustin Pop | console_cmd = hyper.GetShellCommandForConsole(instance.name) |
3147 | 82122173 | Iustin Pop | # build ssh cmdline
|
3148 | 82122173 | Iustin Pop | argv = ["ssh", "-q", "-t"] |
3149 | 82122173 | Iustin Pop | argv.extend(ssh.KNOWN_HOSTS_OPTS) |
3150 | 82122173 | Iustin Pop | argv.extend(ssh.BATCH_MODE_OPTS) |
3151 | 82122173 | Iustin Pop | argv.append(node) |
3152 | 82122173 | Iustin Pop | argv.append(console_cmd) |
3153 | 82122173 | Iustin Pop | return "ssh", argv |
3154 | a8083063 | Iustin Pop | |
3155 | a8083063 | Iustin Pop | |
3156 | a8083063 | Iustin Pop | class LUAddMDDRBDComponent(LogicalUnit): |
3157 | a8083063 | Iustin Pop | """Adda new mirror member to an instance's disk.
|
3158 | a8083063 | Iustin Pop |
|
3159 | a8083063 | Iustin Pop | """
|
3160 | a8083063 | Iustin Pop | HPATH = "mirror-add"
|
3161 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3162 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "remote_node", "disk_name"] |
3163 | a8083063 | Iustin Pop | |
3164 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3165 | a8083063 | Iustin Pop | """Build hooks env.
|
3166 | a8083063 | Iustin Pop |
|
3167 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3168 | a8083063 | Iustin Pop |
|
3169 | a8083063 | Iustin Pop | """
|
3170 | a8083063 | Iustin Pop | env = { |
3171 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3172 | a8083063 | Iustin Pop | "DISK_NAME": self.op.disk_name, |
3173 | a8083063 | Iustin Pop | } |
3174 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3175 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
3176 | a8083063 | Iustin Pop | self.op.remote_node,] + list(self.instance.secondary_nodes) |
3177 | a8083063 | Iustin Pop | return env, nl, nl
|
3178 | a8083063 | Iustin Pop | |
3179 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3180 | a8083063 | Iustin Pop | """Check prerequisites.
|
3181 | a8083063 | Iustin Pop |
|
3182 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3183 | a8083063 | Iustin Pop |
|
3184 | a8083063 | Iustin Pop | """
|
3185 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3186 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3187 | a8083063 | Iustin Pop | if instance is None: |
3188 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3189 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3190 | a8083063 | Iustin Pop | self.instance = instance
|
3191 | a8083063 | Iustin Pop | |
3192 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(self.op.remote_node) |
3193 | a8083063 | Iustin Pop | if remote_node is None: |
3194 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % self.op.remote_node) |
3195 | a8083063 | Iustin Pop | self.remote_node = remote_node
|
3196 | a8083063 | Iustin Pop | |
3197 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3198 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3199 | 3ecf6786 | Iustin Pop | " the instance.")
|
3200 | a8083063 | Iustin Pop | |
3201 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3202 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3203 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3204 | a8083063 | Iustin Pop | for disk in instance.disks: |
3205 | a8083063 | Iustin Pop | if disk.iv_name == self.op.disk_name: |
3206 | a8083063 | Iustin Pop | break
|
3207 | a8083063 | Iustin Pop | else:
|
3208 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find this device ('%s') in the" |
3209 | 3ecf6786 | Iustin Pop | " instance." % self.op.disk_name) |
3210 | a8083063 | Iustin Pop | if len(disk.children) > 1: |
3211 | f4bc1f2c | Michael Hanselmann | raise errors.OpPrereqError("The device already has two slave devices." |
3212 | f4bc1f2c | Michael Hanselmann | " This would create a 3-disk raid1 which we"
|
3213 | f4bc1f2c | Michael Hanselmann | " don't allow.")
|
3214 | a8083063 | Iustin Pop | self.disk = disk
|
3215 | a8083063 | Iustin Pop | |
3216 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3217 | a8083063 | Iustin Pop | """Add the mirror component
|
3218 | a8083063 | Iustin Pop |
|
3219 | a8083063 | Iustin Pop | """
|
3220 | a8083063 | Iustin Pop | disk = self.disk
|
3221 | a8083063 | Iustin Pop | instance = self.instance
|
3222 | a8083063 | Iustin Pop | |
3223 | a8083063 | Iustin Pop | remote_node = self.remote_node
|
3224 | 923b1523 | Iustin Pop | lv_names = [".%s_%s" % (disk.iv_name, suf) for suf in ["data", "meta"]] |
3225 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(self.cfg, lv_names)
|
3226 | 923b1523 | Iustin Pop | new_drbd = _GenerateMDDRBDBranch(self.cfg, instance.primary_node,
|
3227 | 923b1523 | Iustin Pop | remote_node, disk.size, names) |
3228 | a8083063 | Iustin Pop | |
3229 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on secondary")
|
3230 | a8083063 | Iustin Pop | #HARDCODE
|
3231 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(self.cfg, remote_node, instance, |
3232 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3233 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3234 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create new component on secondary" |
3235 | 3ecf6786 | Iustin Pop | " node %s" % remote_node)
|
3236 | a8083063 | Iustin Pop | |
3237 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on primary")
|
3238 | a8083063 | Iustin Pop | #HARDCODE
|
3239 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(self.cfg, instance.primary_node, |
3240 | 3f78eef2 | Iustin Pop | instance, new_drbd, |
3241 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3242 | a8083063 | Iustin Pop | # remove secondary dev
|
3243 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, remote_node)
|
3244 | a8083063 | Iustin Pop | rpc.call_blockdev_remove(remote_node, new_drbd) |
3245 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Failed to create volume on primary") |
3246 | a8083063 | Iustin Pop | |
3247 | a8083063 | Iustin Pop | # the device exists now
|
3248 | a8083063 | Iustin Pop | # call the primary node to add the mirror to md
|
3249 | a8083063 | Iustin Pop | logger.Info("adding new mirror component to md")
|
3250 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_addchildren(instance.primary_node, |
3251 | 153d9724 | Iustin Pop | disk, [new_drbd]): |
3252 | a8083063 | Iustin Pop | logger.Error("Can't add mirror compoment to md!")
|
3253 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, remote_node)
|
3254 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(remote_node, new_drbd): |
3255 | a8083063 | Iustin Pop | logger.Error("Can't rollback on secondary")
|
3256 | a8083063 | Iustin Pop | self.cfg.SetDiskID(new_drbd, instance.primary_node)
|
3257 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(instance.primary_node, new_drbd): |
3258 | a8083063 | Iustin Pop | logger.Error("Can't rollback on primary")
|
3259 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't add mirror component to md array") |
3260 | a8083063 | Iustin Pop | |
3261 | a8083063 | Iustin Pop | disk.children.append(new_drbd) |
3262 | a8083063 | Iustin Pop | |
3263 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3264 | a8083063 | Iustin Pop | |
3265 | 5bfac263 | Iustin Pop | _WaitForSync(self.cfg, instance, self.proc) |
3266 | a8083063 | Iustin Pop | |
3267 | a8083063 | Iustin Pop | return 0 |
3268 | a8083063 | Iustin Pop | |
3269 | a8083063 | Iustin Pop | |
3270 | a8083063 | Iustin Pop | class LURemoveMDDRBDComponent(LogicalUnit): |
3271 | a8083063 | Iustin Pop | """Remove a component from a remote_raid1 disk.
|
3272 | a8083063 | Iustin Pop |
|
3273 | a8083063 | Iustin Pop | """
|
3274 | a8083063 | Iustin Pop | HPATH = "mirror-remove"
|
3275 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3276 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "disk_name", "disk_id"] |
3277 | a8083063 | Iustin Pop | |
3278 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3279 | a8083063 | Iustin Pop | """Build hooks env.
|
3280 | a8083063 | Iustin Pop |
|
3281 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3282 | a8083063 | Iustin Pop |
|
3283 | a8083063 | Iustin Pop | """
|
3284 | a8083063 | Iustin Pop | env = { |
3285 | a8083063 | Iustin Pop | "DISK_NAME": self.op.disk_name, |
3286 | a8083063 | Iustin Pop | "DISK_ID": self.op.disk_id, |
3287 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.old_secondary, |
3288 | a8083063 | Iustin Pop | } |
3289 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3290 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
3291 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
3292 | a8083063 | Iustin Pop | return env, nl, nl
|
3293 | a8083063 | Iustin Pop | |
3294 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3295 | a8083063 | Iustin Pop | """Check prerequisites.
|
3296 | a8083063 | Iustin Pop |
|
3297 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3298 | a8083063 | Iustin Pop |
|
3299 | a8083063 | Iustin Pop | """
|
3300 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3301 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3302 | a8083063 | Iustin Pop | if instance is None: |
3303 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3304 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3305 | a8083063 | Iustin Pop | self.instance = instance
|
3306 | a8083063 | Iustin Pop | |
3307 | a8083063 | Iustin Pop | if instance.disk_template != constants.DT_REMOTE_RAID1:
|
3308 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3309 | 3ecf6786 | Iustin Pop | " remote_raid1.")
|
3310 | a8083063 | Iustin Pop | for disk in instance.disks: |
3311 | a8083063 | Iustin Pop | if disk.iv_name == self.op.disk_name: |
3312 | a8083063 | Iustin Pop | break
|
3313 | a8083063 | Iustin Pop | else:
|
3314 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find this device ('%s') in the" |
3315 | 3ecf6786 | Iustin Pop | " instance." % self.op.disk_name) |
3316 | a8083063 | Iustin Pop | for child in disk.children: |
3317 | fe96220b | Iustin Pop | if (child.dev_type == constants.LD_DRBD7 and |
3318 | fe96220b | Iustin Pop | child.logical_id[2] == self.op.disk_id): |
3319 | a8083063 | Iustin Pop | break
|
3320 | a8083063 | Iustin Pop | else:
|
3321 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Can't find the device with this port.") |
3322 | a8083063 | Iustin Pop | |
3323 | a8083063 | Iustin Pop | if len(disk.children) < 2: |
3324 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Cannot remove the last component from" |
3325 | 3ecf6786 | Iustin Pop | " a mirror.")
|
3326 | a8083063 | Iustin Pop | self.disk = disk
|
3327 | a8083063 | Iustin Pop | self.child = child
|
3328 | a8083063 | Iustin Pop | if self.child.logical_id[0] == instance.primary_node: |
3329 | a8083063 | Iustin Pop | oid = 1
|
3330 | a8083063 | Iustin Pop | else:
|
3331 | a8083063 | Iustin Pop | oid = 0
|
3332 | a8083063 | Iustin Pop | self.old_secondary = self.child.logical_id[oid] |
3333 | a8083063 | Iustin Pop | |
3334 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3335 | a8083063 | Iustin Pop | """Remove the mirror component
|
3336 | a8083063 | Iustin Pop |
|
3337 | a8083063 | Iustin Pop | """
|
3338 | a8083063 | Iustin Pop | instance = self.instance
|
3339 | a8083063 | Iustin Pop | disk = self.disk
|
3340 | a8083063 | Iustin Pop | child = self.child
|
3341 | a8083063 | Iustin Pop | logger.Info("remove mirror component")
|
3342 | a8083063 | Iustin Pop | self.cfg.SetDiskID(disk, instance.primary_node)
|
3343 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_removechildren(instance.primary_node, |
3344 | 153d9724 | Iustin Pop | disk, [child]): |
3345 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Can't remove child from mirror.") |
3346 | a8083063 | Iustin Pop | |
3347 | a8083063 | Iustin Pop | for node in child.logical_id[:2]: |
3348 | a8083063 | Iustin Pop | self.cfg.SetDiskID(child, node)
|
3349 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, child): |
3350 | a8083063 | Iustin Pop | logger.Error("Warning: failed to remove device from node %s,"
|
3351 | a8083063 | Iustin Pop | " continuing operation." % node)
|
3352 | a8083063 | Iustin Pop | |
3353 | a8083063 | Iustin Pop | disk.children.remove(child) |
3354 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
3355 | a8083063 | Iustin Pop | |
3356 | a8083063 | Iustin Pop | |
3357 | a8083063 | Iustin Pop | class LUReplaceDisks(LogicalUnit): |
3358 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3359 | a8083063 | Iustin Pop |
|
3360 | a8083063 | Iustin Pop | """
|
3361 | a8083063 | Iustin Pop | HPATH = "mirrors-replace"
|
3362 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
3363 | a9e0c397 | Iustin Pop | _OP_REQP = ["instance_name", "mode", "disks"] |
3364 | a8083063 | Iustin Pop | |
3365 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
3366 | a8083063 | Iustin Pop | """Build hooks env.
|
3367 | a8083063 | Iustin Pop |
|
3368 | a8083063 | Iustin Pop | This runs on the master, the primary and all the secondaries.
|
3369 | a8083063 | Iustin Pop |
|
3370 | a8083063 | Iustin Pop | """
|
3371 | a8083063 | Iustin Pop | env = { |
3372 | a9e0c397 | Iustin Pop | "MODE": self.op.mode, |
3373 | a8083063 | Iustin Pop | "NEW_SECONDARY": self.op.remote_node, |
3374 | a8083063 | Iustin Pop | "OLD_SECONDARY": self.instance.secondary_nodes[0], |
3375 | a8083063 | Iustin Pop | } |
3376 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
3377 | 0834c866 | Iustin Pop | nl = [ |
3378 | 0834c866 | Iustin Pop | self.sstore.GetMasterNode(),
|
3379 | 0834c866 | Iustin Pop | self.instance.primary_node,
|
3380 | 0834c866 | Iustin Pop | ] |
3381 | 0834c866 | Iustin Pop | if self.op.remote_node is not None: |
3382 | 0834c866 | Iustin Pop | nl.append(self.op.remote_node)
|
3383 | a8083063 | Iustin Pop | return env, nl, nl
|
3384 | a8083063 | Iustin Pop | |
3385 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3386 | a8083063 | Iustin Pop | """Check prerequisites.
|
3387 | a8083063 | Iustin Pop |
|
3388 | a8083063 | Iustin Pop | This checks that the instance is in the cluster.
|
3389 | a8083063 | Iustin Pop |
|
3390 | a8083063 | Iustin Pop | """
|
3391 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
3392 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
3393 | a8083063 | Iustin Pop | if instance is None: |
3394 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not known" % |
3395 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
3396 | a8083063 | Iustin Pop | self.instance = instance
|
3397 | 7df43a76 | Iustin Pop | self.op.instance_name = instance.name
|
3398 | a8083063 | Iustin Pop | |
3399 | a9e0c397 | Iustin Pop | if instance.disk_template not in constants.DTS_NET_MIRROR: |
3400 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance's disk layout is not" |
3401 | a9e0c397 | Iustin Pop | " network mirrored.")
|
3402 | a8083063 | Iustin Pop | |
3403 | a8083063 | Iustin Pop | if len(instance.secondary_nodes) != 1: |
3404 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The instance has a strange layout," |
3405 | 3ecf6786 | Iustin Pop | " expected one secondary but found %d" %
|
3406 | 3ecf6786 | Iustin Pop | len(instance.secondary_nodes))
|
3407 | a8083063 | Iustin Pop | |
3408 | a9e0c397 | Iustin Pop | self.sec_node = instance.secondary_nodes[0] |
3409 | a9e0c397 | Iustin Pop | |
3410 | a8083063 | Iustin Pop | remote_node = getattr(self.op, "remote_node", None) |
3411 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3412 | a8083063 | Iustin Pop | remote_node = self.cfg.ExpandNodeName(remote_node)
|
3413 | a8083063 | Iustin Pop | if remote_node is None: |
3414 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Node '%s' not known" % |
3415 | 3ecf6786 | Iustin Pop | self.op.remote_node)
|
3416 | a9e0c397 | Iustin Pop | self.remote_node_info = self.cfg.GetNodeInfo(remote_node) |
3417 | a9e0c397 | Iustin Pop | else:
|
3418 | a9e0c397 | Iustin Pop | self.remote_node_info = None |
3419 | a8083063 | Iustin Pop | if remote_node == instance.primary_node:
|
3420 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("The specified node is the primary node of" |
3421 | 3ecf6786 | Iustin Pop | " the instance.")
|
3422 | a9e0c397 | Iustin Pop | elif remote_node == self.sec_node: |
3423 | 0834c866 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_SEC: |
3424 | 0834c866 | Iustin Pop | # this is for DRBD8, where we can't execute the same mode of
|
3425 | 0834c866 | Iustin Pop | # replacement as for drbd7 (no different port allocated)
|
3426 | 0834c866 | Iustin Pop | raise errors.OpPrereqError("Same secondary given, cannot execute" |
3427 | 0834c866 | Iustin Pop | " replacement")
|
3428 | a9e0c397 | Iustin Pop | # the user gave the current secondary, switch to
|
3429 | 0834c866 | Iustin Pop | # 'no-replace-secondary' mode for drbd7
|
3430 | a9e0c397 | Iustin Pop | remote_node = None
|
3431 | a9e0c397 | Iustin Pop | if (instance.disk_template == constants.DT_REMOTE_RAID1 and |
3432 | a9e0c397 | Iustin Pop | self.op.mode != constants.REPLACE_DISK_ALL):
|
3433 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Template 'remote_raid1' only allows all" |
3434 | a9e0c397 | Iustin Pop | " disks replacement, not individual ones")
|
3435 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_DRBD8:
|
3436 | 7df43a76 | Iustin Pop | if (self.op.mode == constants.REPLACE_DISK_ALL and |
3437 | 7df43a76 | Iustin Pop | remote_node is not None): |
3438 | 7df43a76 | Iustin Pop | # switch to replace secondary mode
|
3439 | 7df43a76 | Iustin Pop | self.op.mode = constants.REPLACE_DISK_SEC
|
3440 | 7df43a76 | Iustin Pop | |
3441 | a9e0c397 | Iustin Pop | if self.op.mode == constants.REPLACE_DISK_ALL: |
3442 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' only allows primary or" |
3443 | a9e0c397 | Iustin Pop | " secondary disk replacement, not"
|
3444 | a9e0c397 | Iustin Pop | " both at once")
|
3445 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_PRI: |
3446 | a9e0c397 | Iustin Pop | if remote_node is not None: |
3447 | 12c3449a | Michael Hanselmann | raise errors.OpPrereqError("Template 'drbd' does not allow changing" |
3448 | a9e0c397 | Iustin Pop | " the secondary while doing a primary"
|
3449 | a9e0c397 | Iustin Pop | " node disk replacement")
|
3450 | a9e0c397 | Iustin Pop | self.tgt_node = instance.primary_node
|
3451 | cff90b79 | Iustin Pop | self.oth_node = instance.secondary_nodes[0] |
3452 | a9e0c397 | Iustin Pop | elif self.op.mode == constants.REPLACE_DISK_SEC: |
3453 | a9e0c397 | Iustin Pop | self.new_node = remote_node # this can be None, in which case |
3454 | a9e0c397 | Iustin Pop | # we don't change the secondary
|
3455 | a9e0c397 | Iustin Pop | self.tgt_node = instance.secondary_nodes[0] |
3456 | cff90b79 | Iustin Pop | self.oth_node = instance.primary_node
|
3457 | a9e0c397 | Iustin Pop | else:
|
3458 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replace mode") |
3459 | a9e0c397 | Iustin Pop | |
3460 | a9e0c397 | Iustin Pop | for name in self.op.disks: |
3461 | a9e0c397 | Iustin Pop | if instance.FindDisk(name) is None: |
3462 | a9e0c397 | Iustin Pop | raise errors.OpPrereqError("Disk '%s' not found for instance '%s'" % |
3463 | a9e0c397 | Iustin Pop | (name, instance.name)) |
3464 | a8083063 | Iustin Pop | self.op.remote_node = remote_node
|
3465 | a8083063 | Iustin Pop | |
3466 | a9e0c397 | Iustin Pop | def _ExecRR1(self, feedback_fn): |
3467 | a8083063 | Iustin Pop | """Replace the disks of an instance.
|
3468 | a8083063 | Iustin Pop |
|
3469 | a8083063 | Iustin Pop | """
|
3470 | a8083063 | Iustin Pop | instance = self.instance
|
3471 | a8083063 | Iustin Pop | iv_names = {} |
3472 | a8083063 | Iustin Pop | # start of work
|
3473 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
3474 | a9e0c397 | Iustin Pop | remote_node = self.sec_node
|
3475 | a9e0c397 | Iustin Pop | else:
|
3476 | a9e0c397 | Iustin Pop | remote_node = self.op.remote_node
|
3477 | a8083063 | Iustin Pop | cfg = self.cfg
|
3478 | a8083063 | Iustin Pop | for dev in instance.disks: |
3479 | a8083063 | Iustin Pop | size = dev.size |
3480 | 923b1523 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3481 | 923b1523 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3482 | 923b1523 | Iustin Pop | new_drbd = _GenerateMDDRBDBranch(cfg, instance.primary_node, |
3483 | 923b1523 | Iustin Pop | remote_node, size, names) |
3484 | a8083063 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children[0], new_drbd)
|
3485 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on secondary for %s" %
|
3486 | a8083063 | Iustin Pop | dev.iv_name) |
3487 | a8083063 | Iustin Pop | #HARDCODE
|
3488 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, remote_node, instance, |
3489 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3490 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3491 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Failed to create new component on secondary" |
3492 | f4bc1f2c | Michael Hanselmann | " node %s. Full abort, cleanup manually!" %
|
3493 | 3ecf6786 | Iustin Pop | remote_node) |
3494 | a8083063 | Iustin Pop | |
3495 | a8083063 | Iustin Pop | logger.Info("adding new mirror component on primary")
|
3496 | a8083063 | Iustin Pop | #HARDCODE
|
3497 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, instance.primary_node, |
3498 | 3f78eef2 | Iustin Pop | instance, new_drbd, |
3499 | a0c3fea1 | Michael Hanselmann | _GetInstanceInfoText(instance)): |
3500 | a8083063 | Iustin Pop | # remove secondary dev
|
3501 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, remote_node) |
3502 | a8083063 | Iustin Pop | rpc.call_blockdev_remove(remote_node, new_drbd) |
3503 | f4bc1f2c | Michael Hanselmann | raise errors.OpExecError("Failed to create volume on primary!" |
3504 | f4bc1f2c | Michael Hanselmann | " Full abort, cleanup manually!!")
|
3505 | a8083063 | Iustin Pop | |
3506 | a8083063 | Iustin Pop | # the device exists now
|
3507 | a8083063 | Iustin Pop | # call the primary node to add the mirror to md
|
3508 | a8083063 | Iustin Pop | logger.Info("adding new mirror component to md")
|
3509 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_addchildren(instance.primary_node, dev, |
3510 | 153d9724 | Iustin Pop | [new_drbd]): |
3511 | a8083063 | Iustin Pop | logger.Error("Can't add mirror compoment to md!")
|
3512 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, remote_node) |
3513 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(remote_node, new_drbd): |
3514 | a8083063 | Iustin Pop | logger.Error("Can't rollback on secondary")
|
3515 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, instance.primary_node) |
3516 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(instance.primary_node, new_drbd): |
3517 | a8083063 | Iustin Pop | logger.Error("Can't rollback on primary")
|
3518 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Full abort, cleanup manually!!") |
3519 | a8083063 | Iustin Pop | |
3520 | a8083063 | Iustin Pop | dev.children.append(new_drbd) |
3521 | a8083063 | Iustin Pop | cfg.AddInstance(instance) |
3522 | a8083063 | Iustin Pop | |
3523 | a8083063 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3524 | a8083063 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3525 | a8083063 | Iustin Pop | # return value
|
3526 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3527 | a8083063 | Iustin Pop | |
3528 | a8083063 | Iustin Pop | # so check manually all the devices
|
3529 | a8083063 | Iustin Pop | for name in iv_names: |
3530 | a8083063 | Iustin Pop | dev, child, new_drbd = iv_names[name] |
3531 | a8083063 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3532 | a8083063 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3533 | a8083063 | Iustin Pop | if is_degr:
|
3534 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("MD device %s is degraded!" % name) |
3535 | a8083063 | Iustin Pop | cfg.SetDiskID(new_drbd, instance.primary_node) |
3536 | a8083063 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, new_drbd)[5]
|
3537 | a8083063 | Iustin Pop | if is_degr:
|
3538 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("New drbd device %s is degraded!" % name) |
3539 | a8083063 | Iustin Pop | |
3540 | a8083063 | Iustin Pop | for name in iv_names: |
3541 | a8083063 | Iustin Pop | dev, child, new_drbd = iv_names[name] |
3542 | a8083063 | Iustin Pop | logger.Info("remove mirror %s component" % name)
|
3543 | a8083063 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3544 | 153d9724 | Iustin Pop | if not rpc.call_blockdev_removechildren(instance.primary_node, |
3545 | 153d9724 | Iustin Pop | dev, [child]): |
3546 | a8083063 | Iustin Pop | logger.Error("Can't remove child from mirror, aborting"
|
3547 | a8083063 | Iustin Pop | " *this device cleanup*.\nYou need to cleanup manually!!")
|
3548 | a8083063 | Iustin Pop | continue
|
3549 | a8083063 | Iustin Pop | |
3550 | a8083063 | Iustin Pop | for node in child.logical_id[:2]: |
3551 | a8083063 | Iustin Pop | logger.Info("remove child device on %s" % node)
|
3552 | a8083063 | Iustin Pop | cfg.SetDiskID(child, node) |
3553 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(node, child): |
3554 | a8083063 | Iustin Pop | logger.Error("Warning: failed to remove device from node %s,"
|
3555 | a8083063 | Iustin Pop | " continuing operation." % node)
|
3556 | a8083063 | Iustin Pop | |
3557 | a8083063 | Iustin Pop | dev.children.remove(child) |
3558 | a8083063 | Iustin Pop | |
3559 | a8083063 | Iustin Pop | cfg.AddInstance(instance) |
3560 | a8083063 | Iustin Pop | |
3561 | a9e0c397 | Iustin Pop | def _ExecD8DiskOnly(self, feedback_fn): |
3562 | a9e0c397 | Iustin Pop | """Replace a disk on the primary or secondary for dbrd8.
|
3563 | a9e0c397 | Iustin Pop |
|
3564 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3565 | a9e0c397 | Iustin Pop | - for each disk to be replaced:
|
3566 | a9e0c397 | Iustin Pop | - create new LVs on the target node with unique names
|
3567 | a9e0c397 | Iustin Pop | - detach old LVs from the drbd device
|
3568 | a9e0c397 | Iustin Pop | - rename old LVs to name_replaced.<time_t>
|
3569 | a9e0c397 | Iustin Pop | - rename new LVs to old LVs
|
3570 | a9e0c397 | Iustin Pop | - attach the new LVs (with the old names now) to the drbd device
|
3571 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3572 | a9e0c397 | Iustin Pop | - for each modified disk:
|
3573 | a9e0c397 | Iustin Pop | - remove old LVs (which have the name name_replaces.<time_t>)
|
3574 | a9e0c397 | Iustin Pop |
|
3575 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3576 | cff90b79 | Iustin Pop |
|
3577 | a9e0c397 | Iustin Pop | """
|
3578 | cff90b79 | Iustin Pop | steps_total = 6
|
3579 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3580 | a9e0c397 | Iustin Pop | instance = self.instance
|
3581 | a9e0c397 | Iustin Pop | iv_names = {} |
3582 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3583 | a9e0c397 | Iustin Pop | # start of work
|
3584 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3585 | a9e0c397 | Iustin Pop | tgt_node = self.tgt_node
|
3586 | cff90b79 | Iustin Pop | oth_node = self.oth_node
|
3587 | cff90b79 | Iustin Pop | |
3588 | cff90b79 | Iustin Pop | # Step: check device activation
|
3589 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3590 | cff90b79 | Iustin Pop | info("checking volume groups")
|
3591 | cff90b79 | Iustin Pop | my_vg = cfg.GetVGName() |
3592 | cff90b79 | Iustin Pop | results = rpc.call_vg_list([oth_node, tgt_node]) |
3593 | cff90b79 | Iustin Pop | if not results: |
3594 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3595 | cff90b79 | Iustin Pop | for node in oth_node, tgt_node: |
3596 | cff90b79 | Iustin Pop | res = results.get(node, False)
|
3597 | cff90b79 | Iustin Pop | if not res or my_vg not in res: |
3598 | cff90b79 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3599 | cff90b79 | Iustin Pop | (my_vg, node)) |
3600 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3601 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3602 | cff90b79 | Iustin Pop | continue
|
3603 | cff90b79 | Iustin Pop | for node in tgt_node, oth_node: |
3604 | cff90b79 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, node))
|
3605 | cff90b79 | Iustin Pop | cfg.SetDiskID(dev, node) |
3606 | cff90b79 | Iustin Pop | if not rpc.call_blockdev_find(node, dev): |
3607 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3608 | cff90b79 | Iustin Pop | (dev.iv_name, node)) |
3609 | cff90b79 | Iustin Pop | |
3610 | cff90b79 | Iustin Pop | # Step: check other node consistency
|
3611 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3612 | cff90b79 | Iustin Pop | for dev in instance.disks: |
3613 | cff90b79 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3614 | cff90b79 | Iustin Pop | continue
|
3615 | cff90b79 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, oth_node))
|
3616 | cff90b79 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, oth_node, |
3617 | cff90b79 | Iustin Pop | oth_node==instance.primary_node): |
3618 | cff90b79 | Iustin Pop | raise errors.OpExecError("Peer node (%s) has degraded storage, unsafe" |
3619 | cff90b79 | Iustin Pop | " to replace disks on this node (%s)" %
|
3620 | cff90b79 | Iustin Pop | (oth_node, tgt_node)) |
3621 | cff90b79 | Iustin Pop | |
3622 | cff90b79 | Iustin Pop | # Step: create new storage
|
3623 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3624 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3625 | a9e0c397 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3626 | a9e0c397 | Iustin Pop | continue
|
3627 | a9e0c397 | Iustin Pop | size = dev.size |
3628 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, tgt_node) |
3629 | a9e0c397 | Iustin Pop | lv_names = [".%s_%s" % (dev.iv_name, suf) for suf in ["data", "meta"]] |
3630 | a9e0c397 | Iustin Pop | names = _GenerateUniqueNames(cfg, lv_names) |
3631 | a9e0c397 | Iustin Pop | lv_data = objects.Disk(dev_type=constants.LD_LV, size=size, |
3632 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[0]))
|
3633 | a9e0c397 | Iustin Pop | lv_meta = objects.Disk(dev_type=constants.LD_LV, size=128,
|
3634 | a9e0c397 | Iustin Pop | logical_id=(vgname, names[1]))
|
3635 | a9e0c397 | Iustin Pop | new_lvs = [lv_data, lv_meta] |
3636 | a9e0c397 | Iustin Pop | old_lvs = dev.children |
3637 | a9e0c397 | Iustin Pop | iv_names[dev.iv_name] = (dev, old_lvs, new_lvs) |
3638 | cff90b79 | Iustin Pop | info("creating new local storage on %s for %s" %
|
3639 | cff90b79 | Iustin Pop | (tgt_node, dev.iv_name)) |
3640 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3641 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3642 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3643 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3644 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, tgt_node, instance, new_lv, |
3645 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3646 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3647 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3648 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], tgt_node))
|
3649 | a9e0c397 | Iustin Pop | |
3650 | cff90b79 | Iustin Pop | # Step: for each lv, detach+rename*2+attach
|
3651 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "change drbd configuration") |
3652 | cff90b79 | Iustin Pop | for dev, old_lvs, new_lvs in iv_names.itervalues(): |
3653 | cff90b79 | Iustin Pop | info("detaching %s drbd from local storage" % dev.iv_name)
|
3654 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_removechildren(tgt_node, dev, old_lvs): |
3655 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Can't detach drbd from local storage on node" |
3656 | a9e0c397 | Iustin Pop | " %s for device %s" % (tgt_node, dev.iv_name))
|
3657 | cff90b79 | Iustin Pop | #dev.children = []
|
3658 | cff90b79 | Iustin Pop | #cfg.Update(instance)
|
3659 | a9e0c397 | Iustin Pop | |
3660 | a9e0c397 | Iustin Pop | # ok, we created the new LVs, so now we know we have the needed
|
3661 | a9e0c397 | Iustin Pop | # storage; as such, we proceed on the target node to rename
|
3662 | a9e0c397 | Iustin Pop | # old_lv to _old, and new_lv to old_lv; note that we rename LVs
|
3663 | a9e0c397 | Iustin Pop | # using the assumption than logical_id == physical_id (which in
|
3664 | a9e0c397 | Iustin Pop | # turn is the unique_id on that node)
|
3665 | cff90b79 | Iustin Pop | |
3666 | cff90b79 | Iustin Pop | # FIXME(iustin): use a better name for the replaced LVs
|
3667 | a9e0c397 | Iustin Pop | temp_suffix = int(time.time())
|
3668 | a9e0c397 | Iustin Pop | ren_fn = lambda d, suff: (d.physical_id[0], |
3669 | a9e0c397 | Iustin Pop | d.physical_id[1] + "_replaced-%s" % suff) |
3670 | cff90b79 | Iustin Pop | # build the rename list based on what LVs exist on the node
|
3671 | cff90b79 | Iustin Pop | rlist = [] |
3672 | cff90b79 | Iustin Pop | for to_ren in old_lvs: |
3673 | cff90b79 | Iustin Pop | find_res = rpc.call_blockdev_find(tgt_node, to_ren) |
3674 | cff90b79 | Iustin Pop | if find_res is not None: # device exists |
3675 | cff90b79 | Iustin Pop | rlist.append((to_ren, ren_fn(to_ren, temp_suffix))) |
3676 | cff90b79 | Iustin Pop | |
3677 | cff90b79 | Iustin Pop | info("renaming the old LVs on the target node")
|
3678 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3679 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename old LVs on node %s" % tgt_node) |
3680 | a9e0c397 | Iustin Pop | # now we rename the new LVs to the old LVs
|
3681 | cff90b79 | Iustin Pop | info("renaming the new LVs on the target node")
|
3682 | a9e0c397 | Iustin Pop | rlist = [(new, old.physical_id) for old, new in zip(old_lvs, new_lvs)] |
3683 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_rename(tgt_node, rlist): |
3684 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't rename new LVs on node %s" % tgt_node) |
3685 | cff90b79 | Iustin Pop | |
3686 | cff90b79 | Iustin Pop | for old, new in zip(old_lvs, new_lvs): |
3687 | cff90b79 | Iustin Pop | new.logical_id = old.logical_id |
3688 | cff90b79 | Iustin Pop | cfg.SetDiskID(new, tgt_node) |
3689 | a9e0c397 | Iustin Pop | |
3690 | cff90b79 | Iustin Pop | for disk in old_lvs: |
3691 | cff90b79 | Iustin Pop | disk.logical_id = ren_fn(disk, temp_suffix) |
3692 | cff90b79 | Iustin Pop | cfg.SetDiskID(disk, tgt_node) |
3693 | a9e0c397 | Iustin Pop | |
3694 | a9e0c397 | Iustin Pop | # now that the new lvs have the old name, we can add them to the device
|
3695 | cff90b79 | Iustin Pop | info("adding new mirror component on %s" % tgt_node)
|
3696 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_addchildren(tgt_node, dev, new_lvs): |
3697 | a9e0c397 | Iustin Pop | for new_lv in new_lvs: |
3698 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, new_lv): |
3699 | 79caa9ed | Guido Trotter | warning("Can't rollback device %s", hint="manually cleanup unused" |
3700 | cff90b79 | Iustin Pop | " logical volumes")
|
3701 | cff90b79 | Iustin Pop | raise errors.OpExecError("Can't add local storage to drbd") |
3702 | a9e0c397 | Iustin Pop | |
3703 | a9e0c397 | Iustin Pop | dev.children = new_lvs |
3704 | a9e0c397 | Iustin Pop | cfg.Update(instance) |
3705 | a9e0c397 | Iustin Pop | |
3706 | cff90b79 | Iustin Pop | # Step: wait for sync
|
3707 | a9e0c397 | Iustin Pop | |
3708 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3709 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3710 | a9e0c397 | Iustin Pop | # return value
|
3711 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3712 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3713 | a9e0c397 | Iustin Pop | |
3714 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3715 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3716 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, instance.primary_node) |
3717 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(instance.primary_node, dev)[5]
|
3718 | a9e0c397 | Iustin Pop | if is_degr:
|
3719 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3720 | a9e0c397 | Iustin Pop | |
3721 | cff90b79 | Iustin Pop | # Step: remove old storage
|
3722 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3723 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs, new_lvs) in iv_names.iteritems(): |
3724 | cff90b79 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3725 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3726 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, tgt_node) |
3727 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(tgt_node, lv): |
3728 | 79caa9ed | Guido Trotter | warning("Can't remove old LV", hint="manually remove unused LVs") |
3729 | a9e0c397 | Iustin Pop | continue
|
3730 | a9e0c397 | Iustin Pop | |
3731 | a9e0c397 | Iustin Pop | def _ExecD8Secondary(self, feedback_fn): |
3732 | a9e0c397 | Iustin Pop | """Replace the secondary node for drbd8.
|
3733 | a9e0c397 | Iustin Pop |
|
3734 | a9e0c397 | Iustin Pop | The algorithm for replace is quite complicated:
|
3735 | a9e0c397 | Iustin Pop | - for all disks of the instance:
|
3736 | a9e0c397 | Iustin Pop | - create new LVs on the new node with same names
|
3737 | a9e0c397 | Iustin Pop | - shutdown the drbd device on the old secondary
|
3738 | a9e0c397 | Iustin Pop | - disconnect the drbd network on the primary
|
3739 | a9e0c397 | Iustin Pop | - create the drbd device on the new secondary
|
3740 | a9e0c397 | Iustin Pop | - network attach the drbd on the primary, using an artifice:
|
3741 | a9e0c397 | Iustin Pop | the drbd code for Attach() will connect to the network if it
|
3742 | a9e0c397 | Iustin Pop | finds a device which is connected to the good local disks but
|
3743 | a9e0c397 | Iustin Pop | not network enabled
|
3744 | a9e0c397 | Iustin Pop | - wait for sync across all devices
|
3745 | a9e0c397 | Iustin Pop | - remove all disks from the old secondary
|
3746 | a9e0c397 | Iustin Pop |
|
3747 | a9e0c397 | Iustin Pop | Failures are not very well handled.
|
3748 | 0834c866 | Iustin Pop |
|
3749 | a9e0c397 | Iustin Pop | """
|
3750 | 0834c866 | Iustin Pop | steps_total = 6
|
3751 | 5bfac263 | Iustin Pop | warning, info = (self.proc.LogWarning, self.proc.LogInfo) |
3752 | a9e0c397 | Iustin Pop | instance = self.instance
|
3753 | a9e0c397 | Iustin Pop | iv_names = {} |
3754 | a9e0c397 | Iustin Pop | vgname = self.cfg.GetVGName()
|
3755 | a9e0c397 | Iustin Pop | # start of work
|
3756 | a9e0c397 | Iustin Pop | cfg = self.cfg
|
3757 | a9e0c397 | Iustin Pop | old_node = self.tgt_node
|
3758 | a9e0c397 | Iustin Pop | new_node = self.new_node
|
3759 | a9e0c397 | Iustin Pop | pri_node = instance.primary_node |
3760 | 0834c866 | Iustin Pop | |
3761 | 0834c866 | Iustin Pop | # Step: check device activation
|
3762 | 5bfac263 | Iustin Pop | self.proc.LogStep(1, steps_total, "check device existence") |
3763 | 0834c866 | Iustin Pop | info("checking volume groups")
|
3764 | 0834c866 | Iustin Pop | my_vg = cfg.GetVGName() |
3765 | 0834c866 | Iustin Pop | results = rpc.call_vg_list([pri_node, new_node]) |
3766 | 0834c866 | Iustin Pop | if not results: |
3767 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't list volume groups on the nodes") |
3768 | 0834c866 | Iustin Pop | for node in pri_node, new_node: |
3769 | 0834c866 | Iustin Pop | res = results.get(node, False)
|
3770 | 0834c866 | Iustin Pop | if not res or my_vg not in res: |
3771 | 0834c866 | Iustin Pop | raise errors.OpExecError("Volume group '%s' not found on %s" % |
3772 | 0834c866 | Iustin Pop | (my_vg, node)) |
3773 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3774 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3775 | 0834c866 | Iustin Pop | continue
|
3776 | 0834c866 | Iustin Pop | info("checking %s on %s" % (dev.iv_name, pri_node))
|
3777 | 0834c866 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3778 | 0834c866 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3779 | 0834c866 | Iustin Pop | raise errors.OpExecError("Can't find device %s on node %s" % |
3780 | 0834c866 | Iustin Pop | (dev.iv_name, pri_node)) |
3781 | 0834c866 | Iustin Pop | |
3782 | 0834c866 | Iustin Pop | # Step: check other node consistency
|
3783 | 5bfac263 | Iustin Pop | self.proc.LogStep(2, steps_total, "check peer consistency") |
3784 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3785 | 0834c866 | Iustin Pop | if not dev.iv_name in self.op.disks: |
3786 | 0834c866 | Iustin Pop | continue
|
3787 | 0834c866 | Iustin Pop | info("checking %s consistency on %s" % (dev.iv_name, pri_node))
|
3788 | 0834c866 | Iustin Pop | if not _CheckDiskConsistency(self.cfg, dev, pri_node, True, ldisk=True): |
3789 | 0834c866 | Iustin Pop | raise errors.OpExecError("Primary node (%s) has degraded storage," |
3790 | 0834c866 | Iustin Pop | " unsafe to replace the secondary" %
|
3791 | 0834c866 | Iustin Pop | pri_node) |
3792 | 0834c866 | Iustin Pop | |
3793 | 0834c866 | Iustin Pop | # Step: create new storage
|
3794 | 5bfac263 | Iustin Pop | self.proc.LogStep(3, steps_total, "allocate new storage") |
3795 | a9e0c397 | Iustin Pop | for dev in instance.disks: |
3796 | a9e0c397 | Iustin Pop | size = dev.size |
3797 | 0834c866 | Iustin Pop | info("adding new local storage on %s for %s" % (new_node, dev.iv_name))
|
3798 | a9e0c397 | Iustin Pop | # since we *always* want to create this LV, we use the
|
3799 | a9e0c397 | Iustin Pop | # _Create...OnPrimary (which forces the creation), even if we
|
3800 | a9e0c397 | Iustin Pop | # are talking about the secondary node
|
3801 | a9e0c397 | Iustin Pop | for new_lv in dev.children: |
3802 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnPrimary(cfg, new_node, instance, new_lv, |
3803 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3804 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new LV named '%s' on" |
3805 | a9e0c397 | Iustin Pop | " node '%s'" %
|
3806 | a9e0c397 | Iustin Pop | (new_lv.logical_id[1], new_node))
|
3807 | a9e0c397 | Iustin Pop | |
3808 | 0834c866 | Iustin Pop | iv_names[dev.iv_name] = (dev, dev.children) |
3809 | 0834c866 | Iustin Pop | |
3810 | 5bfac263 | Iustin Pop | self.proc.LogStep(4, steps_total, "changing drbd configuration") |
3811 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3812 | 0834c866 | Iustin Pop | size = dev.size |
3813 | 0834c866 | Iustin Pop | info("activating a new drbd on %s for %s" % (new_node, dev.iv_name))
|
3814 | a9e0c397 | Iustin Pop | # create new devices on new_node
|
3815 | a9e0c397 | Iustin Pop | new_drbd = objects.Disk(dev_type=constants.LD_DRBD8, |
3816 | a9e0c397 | Iustin Pop | logical_id=(pri_node, new_node, |
3817 | a9e0c397 | Iustin Pop | dev.logical_id[2]),
|
3818 | a9e0c397 | Iustin Pop | children=dev.children) |
3819 | 3f78eef2 | Iustin Pop | if not _CreateBlockDevOnSecondary(cfg, new_node, instance, |
3820 | 3f78eef2 | Iustin Pop | new_drbd, False,
|
3821 | a9e0c397 | Iustin Pop | _GetInstanceInfoText(instance)): |
3822 | a9e0c397 | Iustin Pop | raise errors.OpExecError("Failed to create new DRBD on" |
3823 | a9e0c397 | Iustin Pop | " node '%s'" % new_node)
|
3824 | a9e0c397 | Iustin Pop | |
3825 | 0834c866 | Iustin Pop | for dev in instance.disks: |
3826 | a9e0c397 | Iustin Pop | # we have new devices, shutdown the drbd on the old secondary
|
3827 | 0834c866 | Iustin Pop | info("shutting down drbd for %s on old node" % dev.iv_name)
|
3828 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, old_node) |
3829 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_shutdown(old_node, dev): |
3830 | 0834c866 | Iustin Pop | warning("Failed to shutdown drbd for %s on old node" % dev.iv_name,
|
3831 | 79caa9ed | Guido Trotter | hint="Please cleanup this device manually as soon as possible")
|
3832 | a9e0c397 | Iustin Pop | |
3833 | 642445d9 | Iustin Pop | info("detaching primary drbds from the network (=> standalone)")
|
3834 | 642445d9 | Iustin Pop | done = 0
|
3835 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3836 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3837 | 642445d9 | Iustin Pop | # set the physical (unique in bdev terms) id to None, meaning
|
3838 | 642445d9 | Iustin Pop | # detach from network
|
3839 | 642445d9 | Iustin Pop | dev.physical_id = (None,) * len(dev.physical_id) |
3840 | 642445d9 | Iustin Pop | # and 'find' the device, which will 'fix' it to match the
|
3841 | 642445d9 | Iustin Pop | # standalone state
|
3842 | 642445d9 | Iustin Pop | if rpc.call_blockdev_find(pri_node, dev):
|
3843 | 642445d9 | Iustin Pop | done += 1
|
3844 | 642445d9 | Iustin Pop | else:
|
3845 | 642445d9 | Iustin Pop | warning("Failed to detach drbd %s from network, unusual case" %
|
3846 | 642445d9 | Iustin Pop | dev.iv_name) |
3847 | 642445d9 | Iustin Pop | |
3848 | 642445d9 | Iustin Pop | if not done: |
3849 | 642445d9 | Iustin Pop | # no detaches succeeded (very unlikely)
|
3850 | 642445d9 | Iustin Pop | raise errors.OpExecError("Can't detach at least one DRBD from old node") |
3851 | 642445d9 | Iustin Pop | |
3852 | 642445d9 | Iustin Pop | # if we managed to detach at least one, we update all the disks of
|
3853 | 642445d9 | Iustin Pop | # the instance to point to the new secondary
|
3854 | 642445d9 | Iustin Pop | info("updating instance configuration")
|
3855 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3856 | 642445d9 | Iustin Pop | dev.logical_id = (pri_node, new_node) + dev.logical_id[2:]
|
3857 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3858 | 642445d9 | Iustin Pop | cfg.Update(instance) |
3859 | a9e0c397 | Iustin Pop | |
3860 | 642445d9 | Iustin Pop | # and now perform the drbd attach
|
3861 | 642445d9 | Iustin Pop | info("attaching primary drbds to new secondary (standalone => connected)")
|
3862 | 642445d9 | Iustin Pop | failures = [] |
3863 | 642445d9 | Iustin Pop | for dev in instance.disks: |
3864 | 642445d9 | Iustin Pop | info("attaching primary drbd for %s to new secondary node" % dev.iv_name)
|
3865 | 642445d9 | Iustin Pop | # since the attach is smart, it's enough to 'find' the device,
|
3866 | 642445d9 | Iustin Pop | # it will automatically activate the network, if the physical_id
|
3867 | 642445d9 | Iustin Pop | # is correct
|
3868 | 642445d9 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3869 | 642445d9 | Iustin Pop | if not rpc.call_blockdev_find(pri_node, dev): |
3870 | 642445d9 | Iustin Pop | warning("can't attach drbd %s to new secondary!" % dev.iv_name,
|
3871 | 642445d9 | Iustin Pop | "please do a gnt-instance info to see the status of disks")
|
3872 | a9e0c397 | Iustin Pop | |
3873 | a9e0c397 | Iustin Pop | # this can fail as the old devices are degraded and _WaitForSync
|
3874 | a9e0c397 | Iustin Pop | # does a combined result over all disks, so we don't check its
|
3875 | a9e0c397 | Iustin Pop | # return value
|
3876 | 5bfac263 | Iustin Pop | self.proc.LogStep(5, steps_total, "sync devices") |
3877 | 5bfac263 | Iustin Pop | _WaitForSync(cfg, instance, self.proc, unlock=True) |
3878 | a9e0c397 | Iustin Pop | |
3879 | a9e0c397 | Iustin Pop | # so check manually all the devices
|
3880 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3881 | a9e0c397 | Iustin Pop | cfg.SetDiskID(dev, pri_node) |
3882 | a9e0c397 | Iustin Pop | is_degr = rpc.call_blockdev_find(pri_node, dev)[5]
|
3883 | a9e0c397 | Iustin Pop | if is_degr:
|
3884 | a9e0c397 | Iustin Pop | raise errors.OpExecError("DRBD device %s is degraded!" % name) |
3885 | a9e0c397 | Iustin Pop | |
3886 | 5bfac263 | Iustin Pop | self.proc.LogStep(6, steps_total, "removing old storage") |
3887 | a9e0c397 | Iustin Pop | for name, (dev, old_lvs) in iv_names.iteritems(): |
3888 | 0834c866 | Iustin Pop | info("remove logical volumes for %s" % name)
|
3889 | a9e0c397 | Iustin Pop | for lv in old_lvs: |
3890 | a9e0c397 | Iustin Pop | cfg.SetDiskID(lv, old_node) |
3891 | a9e0c397 | Iustin Pop | if not rpc.call_blockdev_remove(old_node, lv): |
3892 | 0834c866 | Iustin Pop | warning("Can't remove LV on old secondary",
|
3893 | 79caa9ed | Guido Trotter | hint="Cleanup stale volumes by hand")
|
3894 | a9e0c397 | Iustin Pop | |
3895 | a9e0c397 | Iustin Pop | def Exec(self, feedback_fn): |
3896 | a9e0c397 | Iustin Pop | """Execute disk replacement.
|
3897 | a9e0c397 | Iustin Pop |
|
3898 | a9e0c397 | Iustin Pop | This dispatches the disk replacement to the appropriate handler.
|
3899 | a9e0c397 | Iustin Pop |
|
3900 | a9e0c397 | Iustin Pop | """
|
3901 | a9e0c397 | Iustin Pop | instance = self.instance
|
3902 | a9e0c397 | Iustin Pop | if instance.disk_template == constants.DT_REMOTE_RAID1:
|
3903 | a9e0c397 | Iustin Pop | fn = self._ExecRR1
|
3904 | a9e0c397 | Iustin Pop | elif instance.disk_template == constants.DT_DRBD8:
|
3905 | a9e0c397 | Iustin Pop | if self.op.remote_node is None: |
3906 | a9e0c397 | Iustin Pop | fn = self._ExecD8DiskOnly
|
3907 | a9e0c397 | Iustin Pop | else:
|
3908 | a9e0c397 | Iustin Pop | fn = self._ExecD8Secondary
|
3909 | a9e0c397 | Iustin Pop | else:
|
3910 | a9e0c397 | Iustin Pop | raise errors.ProgrammerError("Unhandled disk replacement case") |
3911 | a9e0c397 | Iustin Pop | return fn(feedback_fn)
|
3912 | a9e0c397 | Iustin Pop | |
3913 | a8083063 | Iustin Pop | |
3914 | a8083063 | Iustin Pop | class LUQueryInstanceData(NoHooksLU): |
3915 | a8083063 | Iustin Pop | """Query runtime instance data.
|
3916 | a8083063 | Iustin Pop |
|
3917 | a8083063 | Iustin Pop | """
|
3918 | a8083063 | Iustin Pop | _OP_REQP = ["instances"]
|
3919 | a8083063 | Iustin Pop | |
3920 | a8083063 | Iustin Pop | def CheckPrereq(self): |
3921 | a8083063 | Iustin Pop | """Check prerequisites.
|
3922 | a8083063 | Iustin Pop |
|
3923 | a8083063 | Iustin Pop | This only checks the optional instance list against the existing names.
|
3924 | a8083063 | Iustin Pop |
|
3925 | a8083063 | Iustin Pop | """
|
3926 | a8083063 | Iustin Pop | if not isinstance(self.op.instances, list): |
3927 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid argument type 'instances'") |
3928 | a8083063 | Iustin Pop | if self.op.instances: |
3929 | a8083063 | Iustin Pop | self.wanted_instances = []
|
3930 | a8083063 | Iustin Pop | names = self.op.instances
|
3931 | a8083063 | Iustin Pop | for name in names: |
3932 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(self.cfg.ExpandInstanceName(name)) |
3933 | a8083063 | Iustin Pop | if instance is None: |
3934 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % name) |
3935 | a8083063 | Iustin Pop | self.wanted_instances.append(instance)
|
3936 | a8083063 | Iustin Pop | else:
|
3937 | a8083063 | Iustin Pop | self.wanted_instances = [self.cfg.GetInstanceInfo(name) for name |
3938 | a8083063 | Iustin Pop | in self.cfg.GetInstanceList()] |
3939 | a8083063 | Iustin Pop | return
|
3940 | a8083063 | Iustin Pop | |
3941 | a8083063 | Iustin Pop | |
3942 | a8083063 | Iustin Pop | def _ComputeDiskStatus(self, instance, snode, dev): |
3943 | a8083063 | Iustin Pop | """Compute block device status.
|
3944 | a8083063 | Iustin Pop |
|
3945 | a8083063 | Iustin Pop | """
|
3946 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, instance.primary_node)
|
3947 | a8083063 | Iustin Pop | dev_pstatus = rpc.call_blockdev_find(instance.primary_node, dev) |
3948 | a1f445d3 | Iustin Pop | if dev.dev_type in constants.LDS_DRBD: |
3949 | a8083063 | Iustin Pop | # we change the snode then (otherwise we use the one passed in)
|
3950 | a8083063 | Iustin Pop | if dev.logical_id[0] == instance.primary_node: |
3951 | a8083063 | Iustin Pop | snode = dev.logical_id[1]
|
3952 | a8083063 | Iustin Pop | else:
|
3953 | a8083063 | Iustin Pop | snode = dev.logical_id[0]
|
3954 | a8083063 | Iustin Pop | |
3955 | a8083063 | Iustin Pop | if snode:
|
3956 | a8083063 | Iustin Pop | self.cfg.SetDiskID(dev, snode)
|
3957 | a8083063 | Iustin Pop | dev_sstatus = rpc.call_blockdev_find(snode, dev) |
3958 | a8083063 | Iustin Pop | else:
|
3959 | a8083063 | Iustin Pop | dev_sstatus = None
|
3960 | a8083063 | Iustin Pop | |
3961 | a8083063 | Iustin Pop | if dev.children:
|
3962 | a8083063 | Iustin Pop | dev_children = [self._ComputeDiskStatus(instance, snode, child)
|
3963 | a8083063 | Iustin Pop | for child in dev.children] |
3964 | a8083063 | Iustin Pop | else:
|
3965 | a8083063 | Iustin Pop | dev_children = [] |
3966 | a8083063 | Iustin Pop | |
3967 | a8083063 | Iustin Pop | data = { |
3968 | a8083063 | Iustin Pop | "iv_name": dev.iv_name,
|
3969 | a8083063 | Iustin Pop | "dev_type": dev.dev_type,
|
3970 | a8083063 | Iustin Pop | "logical_id": dev.logical_id,
|
3971 | a8083063 | Iustin Pop | "physical_id": dev.physical_id,
|
3972 | a8083063 | Iustin Pop | "pstatus": dev_pstatus,
|
3973 | a8083063 | Iustin Pop | "sstatus": dev_sstatus,
|
3974 | a8083063 | Iustin Pop | "children": dev_children,
|
3975 | a8083063 | Iustin Pop | } |
3976 | a8083063 | Iustin Pop | |
3977 | a8083063 | Iustin Pop | return data
|
3978 | a8083063 | Iustin Pop | |
3979 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
3980 | a8083063 | Iustin Pop | """Gather and return data"""
|
3981 | a8083063 | Iustin Pop | result = {} |
3982 | a8083063 | Iustin Pop | for instance in self.wanted_instances: |
3983 | a8083063 | Iustin Pop | remote_info = rpc.call_instance_info(instance.primary_node, |
3984 | a8083063 | Iustin Pop | instance.name) |
3985 | a8083063 | Iustin Pop | if remote_info and "state" in remote_info: |
3986 | a8083063 | Iustin Pop | remote_state = "up"
|
3987 | a8083063 | Iustin Pop | else:
|
3988 | a8083063 | Iustin Pop | remote_state = "down"
|
3989 | a8083063 | Iustin Pop | if instance.status == "down": |
3990 | a8083063 | Iustin Pop | config_state = "down"
|
3991 | a8083063 | Iustin Pop | else:
|
3992 | a8083063 | Iustin Pop | config_state = "up"
|
3993 | a8083063 | Iustin Pop | |
3994 | a8083063 | Iustin Pop | disks = [self._ComputeDiskStatus(instance, None, device) |
3995 | a8083063 | Iustin Pop | for device in instance.disks] |
3996 | a8083063 | Iustin Pop | |
3997 | a8083063 | Iustin Pop | idict = { |
3998 | a8083063 | Iustin Pop | "name": instance.name,
|
3999 | a8083063 | Iustin Pop | "config_state": config_state,
|
4000 | a8083063 | Iustin Pop | "run_state": remote_state,
|
4001 | a8083063 | Iustin Pop | "pnode": instance.primary_node,
|
4002 | a8083063 | Iustin Pop | "snodes": instance.secondary_nodes,
|
4003 | a8083063 | Iustin Pop | "os": instance.os,
|
4004 | a8083063 | Iustin Pop | "memory": instance.memory,
|
4005 | a8083063 | Iustin Pop | "nics": [(nic.mac, nic.ip, nic.bridge) for nic in instance.nics], |
4006 | a8083063 | Iustin Pop | "disks": disks,
|
4007 | 58acb49d | Alexander Schreiber | "network_port": instance.network_port,
|
4008 | f55ff7ec | Iustin Pop | "vcpus": instance.vcpus,
|
4009 | a8083063 | Iustin Pop | } |
4010 | a8083063 | Iustin Pop | |
4011 | a8083063 | Iustin Pop | result[instance.name] = idict |
4012 | a8083063 | Iustin Pop | |
4013 | a8083063 | Iustin Pop | return result
|
4014 | a8083063 | Iustin Pop | |
4015 | a8083063 | Iustin Pop | |
4016 | a8083063 | Iustin Pop | class LUSetInstanceParms(LogicalUnit): |
4017 | a8083063 | Iustin Pop | """Modifies an instances's parameters.
|
4018 | a8083063 | Iustin Pop |
|
4019 | a8083063 | Iustin Pop | """
|
4020 | a8083063 | Iustin Pop | HPATH = "instance-modify"
|
4021 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4022 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name"]
|
4023 | a8083063 | Iustin Pop | |
4024 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4025 | a8083063 | Iustin Pop | """Build hooks env.
|
4026 | a8083063 | Iustin Pop |
|
4027 | a8083063 | Iustin Pop | This runs on the master, primary and secondaries.
|
4028 | a8083063 | Iustin Pop |
|
4029 | a8083063 | Iustin Pop | """
|
4030 | 396e1b78 | Michael Hanselmann | args = dict()
|
4031 | a8083063 | Iustin Pop | if self.mem: |
4032 | 396e1b78 | Michael Hanselmann | args['memory'] = self.mem |
4033 | a8083063 | Iustin Pop | if self.vcpus: |
4034 | 396e1b78 | Michael Hanselmann | args['vcpus'] = self.vcpus |
4035 | 396e1b78 | Michael Hanselmann | if self.do_ip or self.do_bridge: |
4036 | 396e1b78 | Michael Hanselmann | if self.do_ip: |
4037 | 396e1b78 | Michael Hanselmann | ip = self.ip
|
4038 | 396e1b78 | Michael Hanselmann | else:
|
4039 | 396e1b78 | Michael Hanselmann | ip = self.instance.nics[0].ip |
4040 | 396e1b78 | Michael Hanselmann | if self.bridge: |
4041 | 396e1b78 | Michael Hanselmann | bridge = self.bridge
|
4042 | 396e1b78 | Michael Hanselmann | else:
|
4043 | 396e1b78 | Michael Hanselmann | bridge = self.instance.nics[0].bridge |
4044 | 396e1b78 | Michael Hanselmann | args['nics'] = [(ip, bridge)]
|
4045 | 396e1b78 | Michael Hanselmann | env = _BuildInstanceHookEnvByObject(self.instance, override=args)
|
4046 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(),
|
4047 | a8083063 | Iustin Pop | self.instance.primary_node] + list(self.instance.secondary_nodes) |
4048 | a8083063 | Iustin Pop | return env, nl, nl
|
4049 | a8083063 | Iustin Pop | |
4050 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4051 | a8083063 | Iustin Pop | """Check prerequisites.
|
4052 | a8083063 | Iustin Pop |
|
4053 | a8083063 | Iustin Pop | This only checks the instance list against the existing names.
|
4054 | a8083063 | Iustin Pop |
|
4055 | a8083063 | Iustin Pop | """
|
4056 | a8083063 | Iustin Pop | self.mem = getattr(self.op, "mem", None) |
4057 | a8083063 | Iustin Pop | self.vcpus = getattr(self.op, "vcpus", None) |
4058 | a8083063 | Iustin Pop | self.ip = getattr(self.op, "ip", None) |
4059 | a8083063 | Iustin Pop | self.bridge = getattr(self.op, "bridge", None) |
4060 | a8083063 | Iustin Pop | if [self.mem, self.vcpus, self.ip, self.bridge].count(None) == 4: |
4061 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No changes submitted") |
4062 | a8083063 | Iustin Pop | if self.mem is not None: |
4063 | a8083063 | Iustin Pop | try:
|
4064 | a8083063 | Iustin Pop | self.mem = int(self.mem) |
4065 | a8083063 | Iustin Pop | except ValueError, err: |
4066 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid memory size: %s" % str(err)) |
4067 | a8083063 | Iustin Pop | if self.vcpus is not None: |
4068 | a8083063 | Iustin Pop | try:
|
4069 | a8083063 | Iustin Pop | self.vcpus = int(self.vcpus) |
4070 | a8083063 | Iustin Pop | except ValueError, err: |
4071 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid vcpus number: %s" % str(err)) |
4072 | a8083063 | Iustin Pop | if self.ip is not None: |
4073 | a8083063 | Iustin Pop | self.do_ip = True |
4074 | a8083063 | Iustin Pop | if self.ip.lower() == "none": |
4075 | a8083063 | Iustin Pop | self.ip = None |
4076 | a8083063 | Iustin Pop | else:
|
4077 | a8083063 | Iustin Pop | if not utils.IsValidIP(self.ip): |
4078 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid IP address '%s'." % self.ip) |
4079 | a8083063 | Iustin Pop | else:
|
4080 | a8083063 | Iustin Pop | self.do_ip = False |
4081 | ecb215b5 | Michael Hanselmann | self.do_bridge = (self.bridge is not None) |
4082 | a8083063 | Iustin Pop | |
4083 | a8083063 | Iustin Pop | instance = self.cfg.GetInstanceInfo(
|
4084 | a8083063 | Iustin Pop | self.cfg.ExpandInstanceName(self.op.instance_name)) |
4085 | a8083063 | Iustin Pop | if instance is None: |
4086 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("No such instance name '%s'" % |
4087 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
4088 | a8083063 | Iustin Pop | self.op.instance_name = instance.name
|
4089 | a8083063 | Iustin Pop | self.instance = instance
|
4090 | a8083063 | Iustin Pop | return
|
4091 | a8083063 | Iustin Pop | |
4092 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4093 | a8083063 | Iustin Pop | """Modifies an instance.
|
4094 | a8083063 | Iustin Pop |
|
4095 | a8083063 | Iustin Pop | All parameters take effect only at the next restart of the instance.
|
4096 | a8083063 | Iustin Pop | """
|
4097 | a8083063 | Iustin Pop | result = [] |
4098 | a8083063 | Iustin Pop | instance = self.instance
|
4099 | a8083063 | Iustin Pop | if self.mem: |
4100 | a8083063 | Iustin Pop | instance.memory = self.mem
|
4101 | a8083063 | Iustin Pop | result.append(("mem", self.mem)) |
4102 | a8083063 | Iustin Pop | if self.vcpus: |
4103 | a8083063 | Iustin Pop | instance.vcpus = self.vcpus
|
4104 | a8083063 | Iustin Pop | result.append(("vcpus", self.vcpus)) |
4105 | a8083063 | Iustin Pop | if self.do_ip: |
4106 | a8083063 | Iustin Pop | instance.nics[0].ip = self.ip |
4107 | a8083063 | Iustin Pop | result.append(("ip", self.ip)) |
4108 | a8083063 | Iustin Pop | if self.bridge: |
4109 | a8083063 | Iustin Pop | instance.nics[0].bridge = self.bridge |
4110 | a8083063 | Iustin Pop | result.append(("bridge", self.bridge)) |
4111 | a8083063 | Iustin Pop | |
4112 | a8083063 | Iustin Pop | self.cfg.AddInstance(instance)
|
4113 | a8083063 | Iustin Pop | |
4114 | a8083063 | Iustin Pop | return result
|
4115 | a8083063 | Iustin Pop | |
4116 | a8083063 | Iustin Pop | |
4117 | a8083063 | Iustin Pop | class LUQueryExports(NoHooksLU): |
4118 | a8083063 | Iustin Pop | """Query the exports list
|
4119 | a8083063 | Iustin Pop |
|
4120 | a8083063 | Iustin Pop | """
|
4121 | a8083063 | Iustin Pop | _OP_REQP = [] |
4122 | a8083063 | Iustin Pop | |
4123 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4124 | a8083063 | Iustin Pop | """Check that the nodelist contains only existing nodes.
|
4125 | a8083063 | Iustin Pop |
|
4126 | a8083063 | Iustin Pop | """
|
4127 | dcb93971 | Michael Hanselmann | self.nodes = _GetWantedNodes(self, getattr(self.op, "nodes", None)) |
4128 | a8083063 | Iustin Pop | |
4129 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4130 | a8083063 | Iustin Pop | """Compute the list of all the exported system images.
|
4131 | a8083063 | Iustin Pop |
|
4132 | a8083063 | Iustin Pop | Returns:
|
4133 | a8083063 | Iustin Pop | a dictionary with the structure node->(export-list)
|
4134 | a8083063 | Iustin Pop | where export-list is a list of the instances exported on
|
4135 | a8083063 | Iustin Pop | that node.
|
4136 | a8083063 | Iustin Pop |
|
4137 | a8083063 | Iustin Pop | """
|
4138 | a7ba5e53 | Iustin Pop | return rpc.call_export_list(self.nodes) |
4139 | a8083063 | Iustin Pop | |
4140 | a8083063 | Iustin Pop | |
4141 | a8083063 | Iustin Pop | class LUExportInstance(LogicalUnit): |
4142 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4143 | a8083063 | Iustin Pop |
|
4144 | a8083063 | Iustin Pop | """
|
4145 | a8083063 | Iustin Pop | HPATH = "instance-export"
|
4146 | a8083063 | Iustin Pop | HTYPE = constants.HTYPE_INSTANCE |
4147 | a8083063 | Iustin Pop | _OP_REQP = ["instance_name", "target_node", "shutdown"] |
4148 | a8083063 | Iustin Pop | |
4149 | a8083063 | Iustin Pop | def BuildHooksEnv(self): |
4150 | a8083063 | Iustin Pop | """Build hooks env.
|
4151 | a8083063 | Iustin Pop |
|
4152 | a8083063 | Iustin Pop | This will run on the master, primary node and target node.
|
4153 | a8083063 | Iustin Pop |
|
4154 | a8083063 | Iustin Pop | """
|
4155 | a8083063 | Iustin Pop | env = { |
4156 | a8083063 | Iustin Pop | "EXPORT_NODE": self.op.target_node, |
4157 | a8083063 | Iustin Pop | "EXPORT_DO_SHUTDOWN": self.op.shutdown, |
4158 | a8083063 | Iustin Pop | } |
4159 | 396e1b78 | Michael Hanselmann | env.update(_BuildInstanceHookEnvByObject(self.instance))
|
4160 | 880478f8 | Iustin Pop | nl = [self.sstore.GetMasterNode(), self.instance.primary_node, |
4161 | a8083063 | Iustin Pop | self.op.target_node]
|
4162 | a8083063 | Iustin Pop | return env, nl, nl
|
4163 | a8083063 | Iustin Pop | |
4164 | a8083063 | Iustin Pop | def CheckPrereq(self): |
4165 | a8083063 | Iustin Pop | """Check prerequisites.
|
4166 | a8083063 | Iustin Pop |
|
4167 | a8083063 | Iustin Pop | This checks that the instance name is a valid one.
|
4168 | a8083063 | Iustin Pop |
|
4169 | a8083063 | Iustin Pop | """
|
4170 | a8083063 | Iustin Pop | instance_name = self.cfg.ExpandInstanceName(self.op.instance_name) |
4171 | a8083063 | Iustin Pop | self.instance = self.cfg.GetInstanceInfo(instance_name) |
4172 | a8083063 | Iustin Pop | if self.instance is None: |
4173 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Instance '%s' not found" % |
4174 | 3ecf6786 | Iustin Pop | self.op.instance_name)
|
4175 | a8083063 | Iustin Pop | |
4176 | a8083063 | Iustin Pop | # node verification
|
4177 | a8083063 | Iustin Pop | dst_node_short = self.cfg.ExpandNodeName(self.op.target_node) |
4178 | a8083063 | Iustin Pop | self.dst_node = self.cfg.GetNodeInfo(dst_node_short) |
4179 | a8083063 | Iustin Pop | |
4180 | a8083063 | Iustin Pop | if self.dst_node is None: |
4181 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Destination node '%s' is unknown." % |
4182 | 3ecf6786 | Iustin Pop | self.op.target_node)
|
4183 | a8083063 | Iustin Pop | self.op.target_node = self.dst_node.name |
4184 | a8083063 | Iustin Pop | |
4185 | a8083063 | Iustin Pop | def Exec(self, feedback_fn): |
4186 | a8083063 | Iustin Pop | """Export an instance to an image in the cluster.
|
4187 | a8083063 | Iustin Pop |
|
4188 | a8083063 | Iustin Pop | """
|
4189 | a8083063 | Iustin Pop | instance = self.instance
|
4190 | a8083063 | Iustin Pop | dst_node = self.dst_node
|
4191 | a8083063 | Iustin Pop | src_node = instance.primary_node |
4192 | a8083063 | Iustin Pop | # shutdown the instance, unless requested not to do so
|
4193 | a8083063 | Iustin Pop | if self.op.shutdown: |
4194 | a8083063 | Iustin Pop | op = opcodes.OpShutdownInstance(instance_name=instance.name) |
4195 | 5bfac263 | Iustin Pop | self.proc.ChainOpCode(op)
|
4196 | a8083063 | Iustin Pop | |
4197 | a8083063 | Iustin Pop | vgname = self.cfg.GetVGName()
|
4198 | a8083063 | Iustin Pop | |
4199 | a8083063 | Iustin Pop | snap_disks = [] |
4200 | a8083063 | Iustin Pop | |
4201 | a8083063 | Iustin Pop | try:
|
4202 | a8083063 | Iustin Pop | for disk in instance.disks: |
4203 | a8083063 | Iustin Pop | if disk.iv_name == "sda": |
4204 | a8083063 | Iustin Pop | # new_dev_name will be a snapshot of an lvm leaf of the one we passed
|
4205 | a8083063 | Iustin Pop | new_dev_name = rpc.call_blockdev_snapshot(src_node, disk) |
4206 | a8083063 | Iustin Pop | |
4207 | a8083063 | Iustin Pop | if not new_dev_name: |
4208 | a8083063 | Iustin Pop | logger.Error("could not snapshot block device %s on node %s" %
|
4209 | a8083063 | Iustin Pop | (disk.logical_id[1], src_node))
|
4210 | a8083063 | Iustin Pop | else:
|
4211 | fe96220b | Iustin Pop | new_dev = objects.Disk(dev_type=constants.LD_LV, size=disk.size, |
4212 | a8083063 | Iustin Pop | logical_id=(vgname, new_dev_name), |
4213 | a8083063 | Iustin Pop | physical_id=(vgname, new_dev_name), |
4214 | a8083063 | Iustin Pop | iv_name=disk.iv_name) |
4215 | a8083063 | Iustin Pop | snap_disks.append(new_dev) |
4216 | a8083063 | Iustin Pop | |
4217 | a8083063 | Iustin Pop | finally:
|
4218 | a8083063 | Iustin Pop | if self.op.shutdown: |
4219 | a8083063 | Iustin Pop | op = opcodes.OpStartupInstance(instance_name=instance.name, |
4220 | a8083063 | Iustin Pop | force=False)
|
4221 | 5bfac263 | Iustin Pop | self.proc.ChainOpCode(op)
|
4222 | a8083063 | Iustin Pop | |
4223 | a8083063 | Iustin Pop | # TODO: check for size
|
4224 | a8083063 | Iustin Pop | |
4225 | a8083063 | Iustin Pop | for dev in snap_disks: |
4226 | a8083063 | Iustin Pop | if not rpc.call_snapshot_export(src_node, dev, dst_node.name, |
4227 | a8083063 | Iustin Pop | instance): |
4228 | a8083063 | Iustin Pop | logger.Error("could not export block device %s from node"
|
4229 | a8083063 | Iustin Pop | " %s to node %s" %
|
4230 | a8083063 | Iustin Pop | (dev.logical_id[1], src_node, dst_node.name))
|
4231 | a8083063 | Iustin Pop | if not rpc.call_blockdev_remove(src_node, dev): |
4232 | a8083063 | Iustin Pop | logger.Error("could not remove snapshot block device %s from"
|
4233 | a8083063 | Iustin Pop | " node %s" % (dev.logical_id[1], src_node)) |
4234 | a8083063 | Iustin Pop | |
4235 | a8083063 | Iustin Pop | if not rpc.call_finalize_export(dst_node.name, instance, snap_disks): |
4236 | a8083063 | Iustin Pop | logger.Error("could not finalize export for instance %s on node %s" %
|
4237 | a8083063 | Iustin Pop | (instance.name, dst_node.name)) |
4238 | a8083063 | Iustin Pop | |
4239 | a8083063 | Iustin Pop | nodelist = self.cfg.GetNodeList()
|
4240 | a8083063 | Iustin Pop | nodelist.remove(dst_node.name) |
4241 | a8083063 | Iustin Pop | |
4242 | a8083063 | Iustin Pop | # on one-node clusters nodelist will be empty after the removal
|
4243 | a8083063 | Iustin Pop | # if we proceed the backup would be removed because OpQueryExports
|
4244 | a8083063 | Iustin Pop | # substitutes an empty list with the full cluster node list.
|
4245 | a8083063 | Iustin Pop | if nodelist:
|
4246 | a8083063 | Iustin Pop | op = opcodes.OpQueryExports(nodes=nodelist) |
4247 | 5bfac263 | Iustin Pop | exportlist = self.proc.ChainOpCode(op)
|
4248 | a8083063 | Iustin Pop | for node in exportlist: |
4249 | a8083063 | Iustin Pop | if instance.name in exportlist[node]: |
4250 | a8083063 | Iustin Pop | if not rpc.call_export_remove(node, instance.name): |
4251 | a8083063 | Iustin Pop | logger.Error("could not remove older export for instance %s"
|
4252 | a8083063 | Iustin Pop | " on node %s" % (instance.name, node))
|
4253 | 5c947f38 | Iustin Pop | |
4254 | 5c947f38 | Iustin Pop | |
4255 | 5c947f38 | Iustin Pop | class TagsLU(NoHooksLU): |
4256 | 5c947f38 | Iustin Pop | """Generic tags LU.
|
4257 | 5c947f38 | Iustin Pop |
|
4258 | 5c947f38 | Iustin Pop | This is an abstract class which is the parent of all the other tags LUs.
|
4259 | 5c947f38 | Iustin Pop |
|
4260 | 5c947f38 | Iustin Pop | """
|
4261 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4262 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4263 | 5c947f38 | Iustin Pop |
|
4264 | 5c947f38 | Iustin Pop | """
|
4265 | 5c947f38 | Iustin Pop | if self.op.kind == constants.TAG_CLUSTER: |
4266 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetClusterInfo() |
4267 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_NODE: |
4268 | 5c947f38 | Iustin Pop | name = self.cfg.ExpandNodeName(self.op.name) |
4269 | 5c947f38 | Iustin Pop | if name is None: |
4270 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid node name (%s)" % |
4271 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4272 | 5c947f38 | Iustin Pop | self.op.name = name
|
4273 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetNodeInfo(name) |
4274 | 5c947f38 | Iustin Pop | elif self.op.kind == constants.TAG_INSTANCE: |
4275 | 8f684e16 | Iustin Pop | name = self.cfg.ExpandInstanceName(self.op.name) |
4276 | 5c947f38 | Iustin Pop | if name is None: |
4277 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Invalid instance name (%s)" % |
4278 | 3ecf6786 | Iustin Pop | (self.op.name,))
|
4279 | 5c947f38 | Iustin Pop | self.op.name = name
|
4280 | 5c947f38 | Iustin Pop | self.target = self.cfg.GetInstanceInfo(name) |
4281 | 5c947f38 | Iustin Pop | else:
|
4282 | 3ecf6786 | Iustin Pop | raise errors.OpPrereqError("Wrong tag type requested (%s)" % |
4283 | 3ecf6786 | Iustin Pop | str(self.op.kind)) |
4284 | 5c947f38 | Iustin Pop | |
4285 | 5c947f38 | Iustin Pop | |
4286 | 5c947f38 | Iustin Pop | class LUGetTags(TagsLU): |
4287 | 5c947f38 | Iustin Pop | """Returns the tags of a given object.
|
4288 | 5c947f38 | Iustin Pop |
|
4289 | 5c947f38 | Iustin Pop | """
|
4290 | 5c947f38 | Iustin Pop | _OP_REQP = ["kind", "name"] |
4291 | 5c947f38 | Iustin Pop | |
4292 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4293 | 5c947f38 | Iustin Pop | """Returns the tag list.
|
4294 | 5c947f38 | Iustin Pop |
|
4295 | 5c947f38 | Iustin Pop | """
|
4296 | 5c947f38 | Iustin Pop | return self.target.GetTags() |
4297 | 5c947f38 | Iustin Pop | |
4298 | 5c947f38 | Iustin Pop | |
4299 | 73415719 | Iustin Pop | class LUSearchTags(NoHooksLU): |
4300 | 73415719 | Iustin Pop | """Searches the tags for a given pattern.
|
4301 | 73415719 | Iustin Pop |
|
4302 | 73415719 | Iustin Pop | """
|
4303 | 73415719 | Iustin Pop | _OP_REQP = ["pattern"]
|
4304 | 73415719 | Iustin Pop | |
4305 | 73415719 | Iustin Pop | def CheckPrereq(self): |
4306 | 73415719 | Iustin Pop | """Check prerequisites.
|
4307 | 73415719 | Iustin Pop |
|
4308 | 73415719 | Iustin Pop | This checks the pattern passed for validity by compiling it.
|
4309 | 73415719 | Iustin Pop |
|
4310 | 73415719 | Iustin Pop | """
|
4311 | 73415719 | Iustin Pop | try:
|
4312 | 73415719 | Iustin Pop | self.re = re.compile(self.op.pattern) |
4313 | 73415719 | Iustin Pop | except re.error, err:
|
4314 | 73415719 | Iustin Pop | raise errors.OpPrereqError("Invalid search pattern '%s': %s" % |
4315 | 73415719 | Iustin Pop | (self.op.pattern, err))
|
4316 | 73415719 | Iustin Pop | |
4317 | 73415719 | Iustin Pop | def Exec(self, feedback_fn): |
4318 | 73415719 | Iustin Pop | """Returns the tag list.
|
4319 | 73415719 | Iustin Pop |
|
4320 | 73415719 | Iustin Pop | """
|
4321 | 73415719 | Iustin Pop | cfg = self.cfg
|
4322 | 73415719 | Iustin Pop | tgts = [("/cluster", cfg.GetClusterInfo())]
|
4323 | 73415719 | Iustin Pop | ilist = [cfg.GetInstanceInfo(name) for name in cfg.GetInstanceList()] |
4324 | 73415719 | Iustin Pop | tgts.extend([("/instances/%s" % i.name, i) for i in ilist]) |
4325 | 73415719 | Iustin Pop | nlist = [cfg.GetNodeInfo(name) for name in cfg.GetNodeList()] |
4326 | 73415719 | Iustin Pop | tgts.extend([("/nodes/%s" % n.name, n) for n in nlist]) |
4327 | 73415719 | Iustin Pop | results = [] |
4328 | 73415719 | Iustin Pop | for path, target in tgts: |
4329 | 73415719 | Iustin Pop | for tag in target.GetTags(): |
4330 | 73415719 | Iustin Pop | if self.re.search(tag): |
4331 | 73415719 | Iustin Pop | results.append((path, tag)) |
4332 | 73415719 | Iustin Pop | return results
|
4333 | 73415719 | Iustin Pop | |
4334 | 73415719 | Iustin Pop | |
4335 | f27302fa | Iustin Pop | class LUAddTags(TagsLU): |
4336 | 5c947f38 | Iustin Pop | """Sets a tag on a given object.
|
4337 | 5c947f38 | Iustin Pop |
|
4338 | 5c947f38 | Iustin Pop | """
|
4339 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4340 | 5c947f38 | Iustin Pop | |
4341 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4342 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4343 | 5c947f38 | Iustin Pop |
|
4344 | 5c947f38 | Iustin Pop | This checks the type and length of the tag name and value.
|
4345 | 5c947f38 | Iustin Pop |
|
4346 | 5c947f38 | Iustin Pop | """
|
4347 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4348 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4349 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4350 | 5c947f38 | Iustin Pop | |
4351 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4352 | 5c947f38 | Iustin Pop | """Sets the tag.
|
4353 | 5c947f38 | Iustin Pop |
|
4354 | 5c947f38 | Iustin Pop | """
|
4355 | 5c947f38 | Iustin Pop | try:
|
4356 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4357 | f27302fa | Iustin Pop | self.target.AddTag(tag)
|
4358 | 5c947f38 | Iustin Pop | except errors.TagError, err:
|
4359 | 3ecf6786 | Iustin Pop | raise errors.OpExecError("Error while setting tag: %s" % str(err)) |
4360 | 5c947f38 | Iustin Pop | try:
|
4361 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4362 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4363 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4364 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4365 | 3ecf6786 | Iustin Pop | " aborted. Please retry.")
|
4366 | 5c947f38 | Iustin Pop | |
4367 | 5c947f38 | Iustin Pop | |
4368 | f27302fa | Iustin Pop | class LUDelTags(TagsLU): |
4369 | f27302fa | Iustin Pop | """Delete a list of tags from a given object.
|
4370 | 5c947f38 | Iustin Pop |
|
4371 | 5c947f38 | Iustin Pop | """
|
4372 | f27302fa | Iustin Pop | _OP_REQP = ["kind", "name", "tags"] |
4373 | 5c947f38 | Iustin Pop | |
4374 | 5c947f38 | Iustin Pop | def CheckPrereq(self): |
4375 | 5c947f38 | Iustin Pop | """Check prerequisites.
|
4376 | 5c947f38 | Iustin Pop |
|
4377 | 5c947f38 | Iustin Pop | This checks that we have the given tag.
|
4378 | 5c947f38 | Iustin Pop |
|
4379 | 5c947f38 | Iustin Pop | """
|
4380 | 5c947f38 | Iustin Pop | TagsLU.CheckPrereq(self)
|
4381 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4382 | f27302fa | Iustin Pop | objects.TaggableObject.ValidateTag(tag) |
4383 | f27302fa | Iustin Pop | del_tags = frozenset(self.op.tags) |
4384 | f27302fa | Iustin Pop | cur_tags = self.target.GetTags()
|
4385 | f27302fa | Iustin Pop | if not del_tags <= cur_tags: |
4386 | f27302fa | Iustin Pop | diff_tags = del_tags - cur_tags |
4387 | f27302fa | Iustin Pop | diff_names = ["'%s'" % tag for tag in diff_tags] |
4388 | f27302fa | Iustin Pop | diff_names.sort() |
4389 | f27302fa | Iustin Pop | raise errors.OpPrereqError("Tag(s) %s not found" % |
4390 | f27302fa | Iustin Pop | (",".join(diff_names)))
|
4391 | 5c947f38 | Iustin Pop | |
4392 | 5c947f38 | Iustin Pop | def Exec(self, feedback_fn): |
4393 | 5c947f38 | Iustin Pop | """Remove the tag from the object.
|
4394 | 5c947f38 | Iustin Pop |
|
4395 | 5c947f38 | Iustin Pop | """
|
4396 | f27302fa | Iustin Pop | for tag in self.op.tags: |
4397 | f27302fa | Iustin Pop | self.target.RemoveTag(tag)
|
4398 | 5c947f38 | Iustin Pop | try:
|
4399 | 5c947f38 | Iustin Pop | self.cfg.Update(self.target) |
4400 | 5c947f38 | Iustin Pop | except errors.ConfigurationError:
|
4401 | 3ecf6786 | Iustin Pop | raise errors.OpRetryError("There has been a modification to the" |
4402 | 3ecf6786 | Iustin Pop | " config file and the operation has been"
|
4403 | 3ecf6786 | Iustin Pop | " aborted. Please retry.") |