root / lib / cmdlib / node.py @ 0500f6fd
History | View | Annotate | Download (56.4 kB)
1 | 31b836b8 | Thomas Thrainer | #
|
---|---|---|---|
2 | 31b836b8 | Thomas Thrainer | #
|
3 | 31b836b8 | Thomas Thrainer | |
4 | 31b836b8 | Thomas Thrainer | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
|
5 | 31b836b8 | Thomas Thrainer | #
|
6 | 31b836b8 | Thomas Thrainer | # This program is free software; you can redistribute it and/or modify
|
7 | 31b836b8 | Thomas Thrainer | # it under the terms of the GNU General Public License as published by
|
8 | 31b836b8 | Thomas Thrainer | # the Free Software Foundation; either version 2 of the License, or
|
9 | 31b836b8 | Thomas Thrainer | # (at your option) any later version.
|
10 | 31b836b8 | Thomas Thrainer | #
|
11 | 31b836b8 | Thomas Thrainer | # This program is distributed in the hope that it will be useful, but
|
12 | 31b836b8 | Thomas Thrainer | # WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | 31b836b8 | Thomas Thrainer | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | 31b836b8 | Thomas Thrainer | # General Public License for more details.
|
15 | 31b836b8 | Thomas Thrainer | #
|
16 | 31b836b8 | Thomas Thrainer | # You should have received a copy of the GNU General Public License
|
17 | 31b836b8 | Thomas Thrainer | # along with this program; if not, write to the Free Software
|
18 | 31b836b8 | Thomas Thrainer | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 | 31b836b8 | Thomas Thrainer | # 02110-1301, USA.
|
20 | 31b836b8 | Thomas Thrainer | |
21 | 31b836b8 | Thomas Thrainer | |
22 | 31b836b8 | Thomas Thrainer | """Logical units dealing with nodes."""
|
23 | 31b836b8 | Thomas Thrainer | |
24 | 31b836b8 | Thomas Thrainer | import logging |
25 | 31b836b8 | Thomas Thrainer | import operator |
26 | 31b836b8 | Thomas Thrainer | |
27 | 31b836b8 | Thomas Thrainer | from ganeti import constants |
28 | 31b836b8 | Thomas Thrainer | from ganeti import errors |
29 | 31b836b8 | Thomas Thrainer | from ganeti import locking |
30 | 31b836b8 | Thomas Thrainer | from ganeti import netutils |
31 | 31b836b8 | Thomas Thrainer | from ganeti import objects |
32 | 31b836b8 | Thomas Thrainer | from ganeti import opcodes |
33 | 31b836b8 | Thomas Thrainer | from ganeti import qlang |
34 | 31b836b8 | Thomas Thrainer | from ganeti import query |
35 | 31b836b8 | Thomas Thrainer | from ganeti import rpc |
36 | 31b836b8 | Thomas Thrainer | from ganeti import utils |
37 | 31b836b8 | Thomas Thrainer | from ganeti.masterd import iallocator |
38 | 31b836b8 | Thomas Thrainer | |
39 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.base import LogicalUnit, NoHooksLU, QueryBase, \ |
40 | 31b836b8 | Thomas Thrainer | ResultWithJobs
|
41 | 5eacbcae | Thomas Thrainer | from ganeti.cmdlib.common import CheckParamsNotGlobal, \ |
42 | 5eacbcae | Thomas Thrainer | MergeAndVerifyHvState, MergeAndVerifyDiskState, \ |
43 | 5eacbcae | Thomas Thrainer | IsExclusiveStorageEnabledNode, CheckNodePVs, \ |
44 | 5eacbcae | Thomas Thrainer | RedistributeAncillaryFiles, ExpandNodeName, ShareAll, SupportsOob, \ |
45 | 5eacbcae | Thomas Thrainer | CheckInstanceState, INSTANCE_DOWN, GetUpdatedParams, \ |
46 | 5eacbcae | Thomas Thrainer | AdjustCandidatePool, CheckIAllocatorOrNode, LoadNodeEvacResult, \ |
47 | 5eacbcae | Thomas Thrainer | GetWantedNodes, MapInstanceDisksToNodes, RunPostHook, \ |
48 | 5eacbcae | Thomas Thrainer | FindFaultyInstanceDisks
|
49 | 31b836b8 | Thomas Thrainer | |
50 | 31b836b8 | Thomas Thrainer | |
51 | 31b836b8 | Thomas Thrainer | def _DecideSelfPromotion(lu, exceptions=None): |
52 | 31b836b8 | Thomas Thrainer | """Decide whether I should promote myself as a master candidate.
|
53 | 31b836b8 | Thomas Thrainer |
|
54 | 31b836b8 | Thomas Thrainer | """
|
55 | 31b836b8 | Thomas Thrainer | cp_size = lu.cfg.GetClusterInfo().candidate_pool_size |
56 | 31b836b8 | Thomas Thrainer | mc_now, mc_should, _ = lu.cfg.GetMasterCandidateStats(exceptions) |
57 | 31b836b8 | Thomas Thrainer | # the new node will increase mc_max with one, so:
|
58 | 31b836b8 | Thomas Thrainer | mc_should = min(mc_should + 1, cp_size) |
59 | 31b836b8 | Thomas Thrainer | return mc_now < mc_should
|
60 | 31b836b8 | Thomas Thrainer | |
61 | 31b836b8 | Thomas Thrainer | |
62 | 31b836b8 | Thomas Thrainer | def _CheckNodeHasSecondaryIP(lu, node, secondary_ip, prereq): |
63 | 31b836b8 | Thomas Thrainer | """Ensure that a node has the given secondary ip.
|
64 | 31b836b8 | Thomas Thrainer |
|
65 | 31b836b8 | Thomas Thrainer | @type lu: L{LogicalUnit}
|
66 | 31b836b8 | Thomas Thrainer | @param lu: the LU on behalf of which we make the check
|
67 | 31b836b8 | Thomas Thrainer | @type node: string
|
68 | 31b836b8 | Thomas Thrainer | @param node: the node to check
|
69 | 31b836b8 | Thomas Thrainer | @type secondary_ip: string
|
70 | 31b836b8 | Thomas Thrainer | @param secondary_ip: the ip to check
|
71 | 31b836b8 | Thomas Thrainer | @type prereq: boolean
|
72 | 31b836b8 | Thomas Thrainer | @param prereq: whether to throw a prerequisite or an execute error
|
73 | 31b836b8 | Thomas Thrainer | @raise errors.OpPrereqError: if the node doesn't have the ip, and prereq=True
|
74 | 31b836b8 | Thomas Thrainer | @raise errors.OpExecError: if the node doesn't have the ip, and prereq=False
|
75 | 31b836b8 | Thomas Thrainer |
|
76 | 31b836b8 | Thomas Thrainer | """
|
77 | 31b836b8 | Thomas Thrainer | result = lu.rpc.call_node_has_ip_address(node, secondary_ip) |
78 | 31b836b8 | Thomas Thrainer | result.Raise("Failure checking secondary ip on node %s" % node,
|
79 | 31b836b8 | Thomas Thrainer | prereq=prereq, ecode=errors.ECODE_ENVIRON) |
80 | 31b836b8 | Thomas Thrainer | if not result.payload: |
81 | 31b836b8 | Thomas Thrainer | msg = ("Node claims it doesn't have the secondary ip you gave (%s),"
|
82 | 31b836b8 | Thomas Thrainer | " please fix and re-run this command" % secondary_ip)
|
83 | 31b836b8 | Thomas Thrainer | if prereq:
|
84 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError(msg, errors.ECODE_ENVIRON)
|
85 | 31b836b8 | Thomas Thrainer | else:
|
86 | 31b836b8 | Thomas Thrainer | raise errors.OpExecError(msg)
|
87 | 31b836b8 | Thomas Thrainer | |
88 | 31b836b8 | Thomas Thrainer | |
89 | 31b836b8 | Thomas Thrainer | class LUNodeAdd(LogicalUnit): |
90 | 31b836b8 | Thomas Thrainer | """Logical unit for adding node to the cluster.
|
91 | 31b836b8 | Thomas Thrainer |
|
92 | 31b836b8 | Thomas Thrainer | """
|
93 | 31b836b8 | Thomas Thrainer | HPATH = "node-add"
|
94 | 31b836b8 | Thomas Thrainer | HTYPE = constants.HTYPE_NODE |
95 | 31b836b8 | Thomas Thrainer | _NFLAGS = ["master_capable", "vm_capable"] |
96 | 31b836b8 | Thomas Thrainer | |
97 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
98 | 31b836b8 | Thomas Thrainer | self.primary_ip_family = self.cfg.GetPrimaryIPFamily() |
99 | 31b836b8 | Thomas Thrainer | # validate/normalize the node name
|
100 | 31b836b8 | Thomas Thrainer | self.hostname = netutils.GetHostname(name=self.op.node_name, |
101 | 31b836b8 | Thomas Thrainer | family=self.primary_ip_family)
|
102 | 31b836b8 | Thomas Thrainer | self.op.node_name = self.hostname.name |
103 | 31b836b8 | Thomas Thrainer | |
104 | 31b836b8 | Thomas Thrainer | if self.op.readd and self.op.node_name == self.cfg.GetMasterNode(): |
105 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Cannot readd the master node", |
106 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
107 | 31b836b8 | Thomas Thrainer | |
108 | 31b836b8 | Thomas Thrainer | if self.op.readd and self.op.group: |
109 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Cannot pass a node group when a node is" |
110 | 31b836b8 | Thomas Thrainer | " being readded", errors.ECODE_INVAL)
|
111 | 31b836b8 | Thomas Thrainer | |
112 | 31b836b8 | Thomas Thrainer | def BuildHooksEnv(self): |
113 | 31b836b8 | Thomas Thrainer | """Build hooks env.
|
114 | 31b836b8 | Thomas Thrainer |
|
115 | 31b836b8 | Thomas Thrainer | This will run on all nodes before, and on all nodes + the new node after.
|
116 | 31b836b8 | Thomas Thrainer |
|
117 | 31b836b8 | Thomas Thrainer | """
|
118 | 31b836b8 | Thomas Thrainer | return {
|
119 | 31b836b8 | Thomas Thrainer | "OP_TARGET": self.op.node_name, |
120 | 31b836b8 | Thomas Thrainer | "NODE_NAME": self.op.node_name, |
121 | 31b836b8 | Thomas Thrainer | "NODE_PIP": self.op.primary_ip, |
122 | 31b836b8 | Thomas Thrainer | "NODE_SIP": self.op.secondary_ip, |
123 | 31b836b8 | Thomas Thrainer | "MASTER_CAPABLE": str(self.op.master_capable), |
124 | 31b836b8 | Thomas Thrainer | "VM_CAPABLE": str(self.op.vm_capable), |
125 | 31b836b8 | Thomas Thrainer | } |
126 | 31b836b8 | Thomas Thrainer | |
127 | 31b836b8 | Thomas Thrainer | def BuildHooksNodes(self): |
128 | 31b836b8 | Thomas Thrainer | """Build hooks nodes.
|
129 | 31b836b8 | Thomas Thrainer |
|
130 | 31b836b8 | Thomas Thrainer | """
|
131 | 31b836b8 | Thomas Thrainer | # Exclude added node
|
132 | 31b836b8 | Thomas Thrainer | pre_nodes = list(set(self.cfg.GetNodeList()) - set([self.op.node_name])) |
133 | 31b836b8 | Thomas Thrainer | post_nodes = pre_nodes + [self.op.node_name, ]
|
134 | 31b836b8 | Thomas Thrainer | |
135 | 31b836b8 | Thomas Thrainer | return (pre_nodes, post_nodes)
|
136 | 31b836b8 | Thomas Thrainer | |
137 | 31b836b8 | Thomas Thrainer | def CheckPrereq(self): |
138 | 31b836b8 | Thomas Thrainer | """Check prerequisites.
|
139 | 31b836b8 | Thomas Thrainer |
|
140 | 31b836b8 | Thomas Thrainer | This checks:
|
141 | 31b836b8 | Thomas Thrainer | - the new node is not already in the config
|
142 | 31b836b8 | Thomas Thrainer | - it is resolvable
|
143 | 31b836b8 | Thomas Thrainer | - its parameters (single/dual homed) matches the cluster
|
144 | 31b836b8 | Thomas Thrainer |
|
145 | 31b836b8 | Thomas Thrainer | Any errors are signaled by raising errors.OpPrereqError.
|
146 | 31b836b8 | Thomas Thrainer |
|
147 | 31b836b8 | Thomas Thrainer | """
|
148 | 31b836b8 | Thomas Thrainer | cfg = self.cfg
|
149 | 31b836b8 | Thomas Thrainer | hostname = self.hostname
|
150 | 31b836b8 | Thomas Thrainer | node = hostname.name |
151 | 31b836b8 | Thomas Thrainer | primary_ip = self.op.primary_ip = hostname.ip
|
152 | 31b836b8 | Thomas Thrainer | if self.op.secondary_ip is None: |
153 | 31b836b8 | Thomas Thrainer | if self.primary_ip_family == netutils.IP6Address.family: |
154 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("When using a IPv6 primary address, a valid" |
155 | 31b836b8 | Thomas Thrainer | " IPv4 address must be given as secondary",
|
156 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
157 | 31b836b8 | Thomas Thrainer | self.op.secondary_ip = primary_ip
|
158 | 31b836b8 | Thomas Thrainer | |
159 | 31b836b8 | Thomas Thrainer | secondary_ip = self.op.secondary_ip
|
160 | 31b836b8 | Thomas Thrainer | if not netutils.IP4Address.IsValid(secondary_ip): |
161 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Secondary IP (%s) needs to be a valid IPv4" |
162 | 31b836b8 | Thomas Thrainer | " address" % secondary_ip, errors.ECODE_INVAL)
|
163 | 31b836b8 | Thomas Thrainer | |
164 | 31b836b8 | Thomas Thrainer | node_list = cfg.GetNodeList() |
165 | 31b836b8 | Thomas Thrainer | if not self.op.readd and node in node_list: |
166 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s is already in the configuration" % |
167 | 31b836b8 | Thomas Thrainer | node, errors.ECODE_EXISTS) |
168 | 31b836b8 | Thomas Thrainer | elif self.op.readd and node not in node_list: |
169 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s is not in the configuration" % node, |
170 | 31b836b8 | Thomas Thrainer | errors.ECODE_NOENT) |
171 | 31b836b8 | Thomas Thrainer | |
172 | 31b836b8 | Thomas Thrainer | self.changed_primary_ip = False |
173 | 31b836b8 | Thomas Thrainer | |
174 | 31b836b8 | Thomas Thrainer | for existing_node_name, existing_node in cfg.GetMultiNodeInfo(node_list): |
175 | 31b836b8 | Thomas Thrainer | if self.op.readd and node == existing_node_name: |
176 | 31b836b8 | Thomas Thrainer | if existing_node.secondary_ip != secondary_ip:
|
177 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Readded node doesn't have the same IP" |
178 | 31b836b8 | Thomas Thrainer | " address configuration as before",
|
179 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
180 | 31b836b8 | Thomas Thrainer | if existing_node.primary_ip != primary_ip:
|
181 | 31b836b8 | Thomas Thrainer | self.changed_primary_ip = True |
182 | 31b836b8 | Thomas Thrainer | |
183 | 31b836b8 | Thomas Thrainer | continue
|
184 | 31b836b8 | Thomas Thrainer | |
185 | 31b836b8 | Thomas Thrainer | if (existing_node.primary_ip == primary_ip or |
186 | 31b836b8 | Thomas Thrainer | existing_node.secondary_ip == primary_ip or
|
187 | 31b836b8 | Thomas Thrainer | existing_node.primary_ip == secondary_ip or
|
188 | 31b836b8 | Thomas Thrainer | existing_node.secondary_ip == secondary_ip): |
189 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("New node ip address(es) conflict with" |
190 | 31b836b8 | Thomas Thrainer | " existing node %s" % existing_node.name,
|
191 | 31b836b8 | Thomas Thrainer | errors.ECODE_NOTUNIQUE) |
192 | 31b836b8 | Thomas Thrainer | |
193 | 31b836b8 | Thomas Thrainer | # After this 'if' block, None is no longer a valid value for the
|
194 | 31b836b8 | Thomas Thrainer | # _capable op attributes
|
195 | 31b836b8 | Thomas Thrainer | if self.op.readd: |
196 | 31b836b8 | Thomas Thrainer | old_node = self.cfg.GetNodeInfo(node)
|
197 | 31b836b8 | Thomas Thrainer | assert old_node is not None, "Can't retrieve locked node %s" % node |
198 | 31b836b8 | Thomas Thrainer | for attr in self._NFLAGS: |
199 | 31b836b8 | Thomas Thrainer | if getattr(self.op, attr) is None: |
200 | 31b836b8 | Thomas Thrainer | setattr(self.op, attr, getattr(old_node, attr)) |
201 | 31b836b8 | Thomas Thrainer | else:
|
202 | 31b836b8 | Thomas Thrainer | for attr in self._NFLAGS: |
203 | 31b836b8 | Thomas Thrainer | if getattr(self.op, attr) is None: |
204 | 31b836b8 | Thomas Thrainer | setattr(self.op, attr, True) |
205 | 31b836b8 | Thomas Thrainer | |
206 | 31b836b8 | Thomas Thrainer | if self.op.readd and not self.op.vm_capable: |
207 | 31b836b8 | Thomas Thrainer | pri, sec = cfg.GetNodeInstances(node) |
208 | 31b836b8 | Thomas Thrainer | if pri or sec: |
209 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s being re-added with vm_capable" |
210 | 31b836b8 | Thomas Thrainer | " flag set to false, but it already holds"
|
211 | 31b836b8 | Thomas Thrainer | " instances" % node,
|
212 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
213 | 31b836b8 | Thomas Thrainer | |
214 | 31b836b8 | Thomas Thrainer | # check that the type of the node (single versus dual homed) is the
|
215 | 31b836b8 | Thomas Thrainer | # same as for the master
|
216 | 31b836b8 | Thomas Thrainer | myself = cfg.GetNodeInfo(self.cfg.GetMasterNode())
|
217 | 31b836b8 | Thomas Thrainer | master_singlehomed = myself.secondary_ip == myself.primary_ip |
218 | 31b836b8 | Thomas Thrainer | newbie_singlehomed = secondary_ip == primary_ip |
219 | 31b836b8 | Thomas Thrainer | if master_singlehomed != newbie_singlehomed:
|
220 | 31b836b8 | Thomas Thrainer | if master_singlehomed:
|
221 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("The master has no secondary ip but the" |
222 | 31b836b8 | Thomas Thrainer | " new node has one",
|
223 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
224 | 31b836b8 | Thomas Thrainer | else:
|
225 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("The master has a secondary ip but the" |
226 | 31b836b8 | Thomas Thrainer | " new node doesn't have one",
|
227 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
228 | 31b836b8 | Thomas Thrainer | |
229 | 31b836b8 | Thomas Thrainer | # checks reachability
|
230 | 31b836b8 | Thomas Thrainer | if not netutils.TcpPing(primary_ip, constants.DEFAULT_NODED_PORT): |
231 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node not reachable by ping", |
232 | 31b836b8 | Thomas Thrainer | errors.ECODE_ENVIRON) |
233 | 31b836b8 | Thomas Thrainer | |
234 | 31b836b8 | Thomas Thrainer | if not newbie_singlehomed: |
235 | 31b836b8 | Thomas Thrainer | # check reachability from my secondary ip to newbie's secondary ip
|
236 | 31b836b8 | Thomas Thrainer | if not netutils.TcpPing(secondary_ip, constants.DEFAULT_NODED_PORT, |
237 | 31b836b8 | Thomas Thrainer | source=myself.secondary_ip): |
238 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
239 | 31b836b8 | Thomas Thrainer | " based ping to node daemon port",
|
240 | 31b836b8 | Thomas Thrainer | errors.ECODE_ENVIRON) |
241 | 31b836b8 | Thomas Thrainer | |
242 | 31b836b8 | Thomas Thrainer | if self.op.readd: |
243 | 31b836b8 | Thomas Thrainer | exceptions = [node] |
244 | 31b836b8 | Thomas Thrainer | else:
|
245 | 31b836b8 | Thomas Thrainer | exceptions = [] |
246 | 31b836b8 | Thomas Thrainer | |
247 | 31b836b8 | Thomas Thrainer | if self.op.master_capable: |
248 | 31b836b8 | Thomas Thrainer | self.master_candidate = _DecideSelfPromotion(self, exceptions=exceptions) |
249 | 31b836b8 | Thomas Thrainer | else:
|
250 | 31b836b8 | Thomas Thrainer | self.master_candidate = False |
251 | 31b836b8 | Thomas Thrainer | |
252 | 31b836b8 | Thomas Thrainer | if self.op.readd: |
253 | 31b836b8 | Thomas Thrainer | self.new_node = old_node
|
254 | 31b836b8 | Thomas Thrainer | else:
|
255 | 31b836b8 | Thomas Thrainer | node_group = cfg.LookupNodeGroup(self.op.group)
|
256 | 31b836b8 | Thomas Thrainer | self.new_node = objects.Node(name=node,
|
257 | 31b836b8 | Thomas Thrainer | primary_ip=primary_ip, |
258 | 31b836b8 | Thomas Thrainer | secondary_ip=secondary_ip, |
259 | 31b836b8 | Thomas Thrainer | master_candidate=self.master_candidate,
|
260 | 31b836b8 | Thomas Thrainer | offline=False, drained=False, |
261 | 31b836b8 | Thomas Thrainer | group=node_group, ndparams={}) |
262 | 31b836b8 | Thomas Thrainer | |
263 | 31b836b8 | Thomas Thrainer | if self.op.ndparams: |
264 | 31b836b8 | Thomas Thrainer | utils.ForceDictType(self.op.ndparams, constants.NDS_PARAMETER_TYPES)
|
265 | 5eacbcae | Thomas Thrainer | CheckParamsNotGlobal(self.op.ndparams, constants.NDC_GLOBALS, "node", |
266 | 5eacbcae | Thomas Thrainer | "node", "cluster or group") |
267 | 31b836b8 | Thomas Thrainer | |
268 | 31b836b8 | Thomas Thrainer | if self.op.hv_state: |
269 | 5eacbcae | Thomas Thrainer | self.new_hv_state = MergeAndVerifyHvState(self.op.hv_state, None) |
270 | 31b836b8 | Thomas Thrainer | |
271 | 31b836b8 | Thomas Thrainer | if self.op.disk_state: |
272 | 5eacbcae | Thomas Thrainer | self.new_disk_state = MergeAndVerifyDiskState(self.op.disk_state, None) |
273 | 31b836b8 | Thomas Thrainer | |
274 | 31b836b8 | Thomas Thrainer | # TODO: If we need to have multiple DnsOnlyRunner we probably should make
|
275 | 31b836b8 | Thomas Thrainer | # it a property on the base class.
|
276 | 31b836b8 | Thomas Thrainer | rpcrunner = rpc.DnsOnlyRunner() |
277 | 31b836b8 | Thomas Thrainer | result = rpcrunner.call_version([node])[node] |
278 | 31b836b8 | Thomas Thrainer | result.Raise("Can't get version information from node %s" % node)
|
279 | 31b836b8 | Thomas Thrainer | if constants.PROTOCOL_VERSION == result.payload:
|
280 | 31b836b8 | Thomas Thrainer | logging.info("Communication to node %s fine, sw version %s match",
|
281 | 31b836b8 | Thomas Thrainer | node, result.payload) |
282 | 31b836b8 | Thomas Thrainer | else:
|
283 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Version mismatch master version %s," |
284 | 31b836b8 | Thomas Thrainer | " node version %s" %
|
285 | 31b836b8 | Thomas Thrainer | (constants.PROTOCOL_VERSION, result.payload), |
286 | 31b836b8 | Thomas Thrainer | errors.ECODE_ENVIRON) |
287 | 31b836b8 | Thomas Thrainer | |
288 | 31b836b8 | Thomas Thrainer | vg_name = cfg.GetVGName() |
289 | 31b836b8 | Thomas Thrainer | if vg_name is not None: |
290 | 31b836b8 | Thomas Thrainer | vparams = {constants.NV_PVLIST: [vg_name]} |
291 | 5eacbcae | Thomas Thrainer | excl_stor = IsExclusiveStorageEnabledNode(cfg, self.new_node)
|
292 | 31b836b8 | Thomas Thrainer | cname = self.cfg.GetClusterName()
|
293 | 31b836b8 | Thomas Thrainer | result = rpcrunner.call_node_verify_light([node], vparams, cname)[node] |
294 | 5eacbcae | Thomas Thrainer | (errmsgs, _) = CheckNodePVs(result.payload, excl_stor) |
295 | 31b836b8 | Thomas Thrainer | if errmsgs:
|
296 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Checks on node PVs failed: %s" % |
297 | 31b836b8 | Thomas Thrainer | "; ".join(errmsgs), errors.ECODE_ENVIRON)
|
298 | 31b836b8 | Thomas Thrainer | |
299 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
300 | 31b836b8 | Thomas Thrainer | """Adds the new node to the cluster.
|
301 | 31b836b8 | Thomas Thrainer |
|
302 | 31b836b8 | Thomas Thrainer | """
|
303 | 31b836b8 | Thomas Thrainer | new_node = self.new_node
|
304 | 31b836b8 | Thomas Thrainer | node = new_node.name |
305 | 31b836b8 | Thomas Thrainer | |
306 | 31b836b8 | Thomas Thrainer | assert locking.BGL in self.owned_locks(locking.LEVEL_CLUSTER), \ |
307 | 31b836b8 | Thomas Thrainer | "Not owning BGL"
|
308 | 31b836b8 | Thomas Thrainer | |
309 | 31b836b8 | Thomas Thrainer | # We adding a new node so we assume it's powered
|
310 | 31b836b8 | Thomas Thrainer | new_node.powered = True
|
311 | 31b836b8 | Thomas Thrainer | |
312 | 31b836b8 | Thomas Thrainer | # for re-adds, reset the offline/drained/master-candidate flags;
|
313 | 31b836b8 | Thomas Thrainer | # we need to reset here, otherwise offline would prevent RPC calls
|
314 | 31b836b8 | Thomas Thrainer | # later in the procedure; this also means that if the re-add
|
315 | 31b836b8 | Thomas Thrainer | # fails, we are left with a non-offlined, broken node
|
316 | 31b836b8 | Thomas Thrainer | if self.op.readd: |
317 | 31b836b8 | Thomas Thrainer | new_node.drained = new_node.offline = False # pylint: disable=W0201 |
318 | 31b836b8 | Thomas Thrainer | self.LogInfo("Readding a node, the offline/drained flags were reset") |
319 | 31b836b8 | Thomas Thrainer | # if we demote the node, we do cleanup later in the procedure
|
320 | 31b836b8 | Thomas Thrainer | new_node.master_candidate = self.master_candidate
|
321 | 31b836b8 | Thomas Thrainer | if self.changed_primary_ip: |
322 | 31b836b8 | Thomas Thrainer | new_node.primary_ip = self.op.primary_ip
|
323 | 31b836b8 | Thomas Thrainer | |
324 | 31b836b8 | Thomas Thrainer | # copy the master/vm_capable flags
|
325 | 31b836b8 | Thomas Thrainer | for attr in self._NFLAGS: |
326 | 31b836b8 | Thomas Thrainer | setattr(new_node, attr, getattr(self.op, attr)) |
327 | 31b836b8 | Thomas Thrainer | |
328 | 31b836b8 | Thomas Thrainer | # notify the user about any possible mc promotion
|
329 | 31b836b8 | Thomas Thrainer | if new_node.master_candidate:
|
330 | 31b836b8 | Thomas Thrainer | self.LogInfo("Node will be a master candidate") |
331 | 31b836b8 | Thomas Thrainer | |
332 | 31b836b8 | Thomas Thrainer | if self.op.ndparams: |
333 | 31b836b8 | Thomas Thrainer | new_node.ndparams = self.op.ndparams
|
334 | 31b836b8 | Thomas Thrainer | else:
|
335 | 31b836b8 | Thomas Thrainer | new_node.ndparams = {} |
336 | 31b836b8 | Thomas Thrainer | |
337 | 31b836b8 | Thomas Thrainer | if self.op.hv_state: |
338 | 31b836b8 | Thomas Thrainer | new_node.hv_state_static = self.new_hv_state
|
339 | 31b836b8 | Thomas Thrainer | |
340 | 31b836b8 | Thomas Thrainer | if self.op.disk_state: |
341 | 31b836b8 | Thomas Thrainer | new_node.disk_state_static = self.new_disk_state
|
342 | 31b836b8 | Thomas Thrainer | |
343 | 31b836b8 | Thomas Thrainer | # Add node to our /etc/hosts, and add key to known_hosts
|
344 | 31b836b8 | Thomas Thrainer | if self.cfg.GetClusterInfo().modify_etc_hosts: |
345 | 31b836b8 | Thomas Thrainer | master_node = self.cfg.GetMasterNode()
|
346 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_etc_hosts_modify(master_node,
|
347 | 31b836b8 | Thomas Thrainer | constants.ETC_HOSTS_ADD, |
348 | 31b836b8 | Thomas Thrainer | self.hostname.name,
|
349 | 31b836b8 | Thomas Thrainer | self.hostname.ip)
|
350 | 31b836b8 | Thomas Thrainer | result.Raise("Can't update hosts file with new host data")
|
351 | 31b836b8 | Thomas Thrainer | |
352 | 31b836b8 | Thomas Thrainer | if new_node.secondary_ip != new_node.primary_ip:
|
353 | 31b836b8 | Thomas Thrainer | _CheckNodeHasSecondaryIP(self, new_node.name, new_node.secondary_ip,
|
354 | 31b836b8 | Thomas Thrainer | False)
|
355 | 31b836b8 | Thomas Thrainer | |
356 | 31b836b8 | Thomas Thrainer | node_verify_list = [self.cfg.GetMasterNode()]
|
357 | 31b836b8 | Thomas Thrainer | node_verify_param = { |
358 | 31b836b8 | Thomas Thrainer | constants.NV_NODELIST: ([node], {}), |
359 | 31b836b8 | Thomas Thrainer | # TODO: do a node-net-test as well?
|
360 | 31b836b8 | Thomas Thrainer | } |
361 | 31b836b8 | Thomas Thrainer | |
362 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_node_verify(node_verify_list, node_verify_param,
|
363 | 31b836b8 | Thomas Thrainer | self.cfg.GetClusterName())
|
364 | 31b836b8 | Thomas Thrainer | for verifier in node_verify_list: |
365 | 31b836b8 | Thomas Thrainer | result[verifier].Raise("Cannot communicate with node %s" % verifier)
|
366 | 31b836b8 | Thomas Thrainer | nl_payload = result[verifier].payload[constants.NV_NODELIST] |
367 | 31b836b8 | Thomas Thrainer | if nl_payload:
|
368 | 31b836b8 | Thomas Thrainer | for failed in nl_payload: |
369 | 31b836b8 | Thomas Thrainer | feedback_fn("ssh/hostname verification failed"
|
370 | 31b836b8 | Thomas Thrainer | " (checking from %s): %s" %
|
371 | 31b836b8 | Thomas Thrainer | (verifier, nl_payload[failed])) |
372 | 31b836b8 | Thomas Thrainer | raise errors.OpExecError("ssh/hostname verification failed") |
373 | 31b836b8 | Thomas Thrainer | |
374 | 31b836b8 | Thomas Thrainer | if self.op.readd: |
375 | 5eacbcae | Thomas Thrainer | RedistributeAncillaryFiles(self)
|
376 | 31b836b8 | Thomas Thrainer | self.context.ReaddNode(new_node)
|
377 | 31b836b8 | Thomas Thrainer | # make sure we redistribute the config
|
378 | 31b836b8 | Thomas Thrainer | self.cfg.Update(new_node, feedback_fn)
|
379 | 31b836b8 | Thomas Thrainer | # and make sure the new node will not have old files around
|
380 | 31b836b8 | Thomas Thrainer | if not new_node.master_candidate: |
381 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_node_demote_from_mc(new_node.name)
|
382 | 31b836b8 | Thomas Thrainer | msg = result.fail_msg |
383 | 31b836b8 | Thomas Thrainer | if msg:
|
384 | 31b836b8 | Thomas Thrainer | self.LogWarning("Node failed to demote itself from master" |
385 | 31b836b8 | Thomas Thrainer | " candidate status: %s" % msg)
|
386 | 31b836b8 | Thomas Thrainer | else:
|
387 | 5eacbcae | Thomas Thrainer | RedistributeAncillaryFiles(self, additional_nodes=[node],
|
388 | 5eacbcae | Thomas Thrainer | additional_vm=self.op.vm_capable)
|
389 | 31b836b8 | Thomas Thrainer | self.context.AddNode(new_node, self.proc.GetECId()) |
390 | 31b836b8 | Thomas Thrainer | |
391 | 31b836b8 | Thomas Thrainer | |
392 | 31b836b8 | Thomas Thrainer | class LUNodeSetParams(LogicalUnit): |
393 | 31b836b8 | Thomas Thrainer | """Modifies the parameters of a node.
|
394 | 31b836b8 | Thomas Thrainer |
|
395 | 31b836b8 | Thomas Thrainer | @cvar _F2R: a dictionary from tuples of flags (mc, drained, offline)
|
396 | 31b836b8 | Thomas Thrainer | to the node role (as _ROLE_*)
|
397 | 31b836b8 | Thomas Thrainer | @cvar _R2F: a dictionary from node role to tuples of flags
|
398 | 31b836b8 | Thomas Thrainer | @cvar _FLAGS: a list of attribute names corresponding to the flags
|
399 | 31b836b8 | Thomas Thrainer |
|
400 | 31b836b8 | Thomas Thrainer | """
|
401 | 31b836b8 | Thomas Thrainer | HPATH = "node-modify"
|
402 | 31b836b8 | Thomas Thrainer | HTYPE = constants.HTYPE_NODE |
403 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
404 | 31b836b8 | Thomas Thrainer | (_ROLE_CANDIDATE, _ROLE_DRAINED, _ROLE_OFFLINE, _ROLE_REGULAR) = range(4) |
405 | 31b836b8 | Thomas Thrainer | _F2R = { |
406 | 31b836b8 | Thomas Thrainer | (True, False, False): _ROLE_CANDIDATE, |
407 | 31b836b8 | Thomas Thrainer | (False, True, False): _ROLE_DRAINED, |
408 | 31b836b8 | Thomas Thrainer | (False, False, True): _ROLE_OFFLINE, |
409 | 31b836b8 | Thomas Thrainer | (False, False, False): _ROLE_REGULAR, |
410 | 31b836b8 | Thomas Thrainer | } |
411 | 31b836b8 | Thomas Thrainer | _R2F = dict((v, k) for k, v in _F2R.items()) |
412 | 31b836b8 | Thomas Thrainer | _FLAGS = ["master_candidate", "drained", "offline"] |
413 | 31b836b8 | Thomas Thrainer | |
414 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
415 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
416 | 31b836b8 | Thomas Thrainer | all_mods = [self.op.offline, self.op.master_candidate, self.op.drained, |
417 | 31b836b8 | Thomas Thrainer | self.op.master_capable, self.op.vm_capable, |
418 | 31b836b8 | Thomas Thrainer | self.op.secondary_ip, self.op.ndparams, self.op.hv_state, |
419 | 31b836b8 | Thomas Thrainer | self.op.disk_state]
|
420 | 31b836b8 | Thomas Thrainer | if all_mods.count(None) == len(all_mods): |
421 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Please pass at least one modification", |
422 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
423 | 31b836b8 | Thomas Thrainer | if all_mods.count(True) > 1: |
424 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Can't set the node into more than one" |
425 | 31b836b8 | Thomas Thrainer | " state at the same time",
|
426 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
427 | 31b836b8 | Thomas Thrainer | |
428 | 31b836b8 | Thomas Thrainer | # Boolean value that tells us whether we might be demoting from MC
|
429 | 31b836b8 | Thomas Thrainer | self.might_demote = (self.op.master_candidate is False or |
430 | 31b836b8 | Thomas Thrainer | self.op.offline is True or |
431 | 31b836b8 | Thomas Thrainer | self.op.drained is True or |
432 | 31b836b8 | Thomas Thrainer | self.op.master_capable is False) |
433 | 31b836b8 | Thomas Thrainer | |
434 | 31b836b8 | Thomas Thrainer | if self.op.secondary_ip: |
435 | 31b836b8 | Thomas Thrainer | if not netutils.IP4Address.IsValid(self.op.secondary_ip): |
436 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Secondary IP (%s) needs to be a valid IPv4" |
437 | 31b836b8 | Thomas Thrainer | " address" % self.op.secondary_ip, |
438 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
439 | 31b836b8 | Thomas Thrainer | |
440 | 31b836b8 | Thomas Thrainer | self.lock_all = self.op.auto_promote and self.might_demote |
441 | 31b836b8 | Thomas Thrainer | self.lock_instances = self.op.secondary_ip is not None |
442 | 31b836b8 | Thomas Thrainer | |
443 | 31b836b8 | Thomas Thrainer | def _InstanceFilter(self, instance): |
444 | 31b836b8 | Thomas Thrainer | """Filter for getting affected instances.
|
445 | 31b836b8 | Thomas Thrainer |
|
446 | 31b836b8 | Thomas Thrainer | """
|
447 | 31b836b8 | Thomas Thrainer | return (instance.disk_template in constants.DTS_INT_MIRROR and |
448 | 31b836b8 | Thomas Thrainer | self.op.node_name in instance.all_nodes) |
449 | 31b836b8 | Thomas Thrainer | |
450 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
451 | 31b836b8 | Thomas Thrainer | if self.lock_all: |
452 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
453 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: locking.ALL_SET, |
454 | 31b836b8 | Thomas Thrainer | |
455 | 31b836b8 | Thomas Thrainer | # Block allocations when all nodes are locked
|
456 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE_ALLOC: locking.ALL_SET, |
457 | 31b836b8 | Thomas Thrainer | } |
458 | 31b836b8 | Thomas Thrainer | else:
|
459 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
460 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: self.op.node_name,
|
461 | 31b836b8 | Thomas Thrainer | } |
462 | 31b836b8 | Thomas Thrainer | |
463 | 31b836b8 | Thomas Thrainer | # Since modifying a node can have severe effects on currently running
|
464 | 31b836b8 | Thomas Thrainer | # operations the resource lock is at least acquired in shared mode
|
465 | 31b836b8 | Thomas Thrainer | self.needed_locks[locking.LEVEL_NODE_RES] = \
|
466 | 31b836b8 | Thomas Thrainer | self.needed_locks[locking.LEVEL_NODE]
|
467 | 31b836b8 | Thomas Thrainer | |
468 | 31b836b8 | Thomas Thrainer | # Get all locks except nodes in shared mode; they are not used for anything
|
469 | 31b836b8 | Thomas Thrainer | # but read-only access
|
470 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
471 | 31b836b8 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE] = 0 |
472 | 31b836b8 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE_RES] = 0 |
473 | 31b836b8 | Thomas Thrainer | self.share_locks[locking.LEVEL_NODE_ALLOC] = 0 |
474 | 31b836b8 | Thomas Thrainer | |
475 | 31b836b8 | Thomas Thrainer | if self.lock_instances: |
476 | 31b836b8 | Thomas Thrainer | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
477 | 31b836b8 | Thomas Thrainer | frozenset(self.cfg.GetInstancesInfoByFilter(self._InstanceFilter)) |
478 | 31b836b8 | Thomas Thrainer | |
479 | 31b836b8 | Thomas Thrainer | def BuildHooksEnv(self): |
480 | 31b836b8 | Thomas Thrainer | """Build hooks env.
|
481 | 31b836b8 | Thomas Thrainer |
|
482 | 31b836b8 | Thomas Thrainer | This runs on the master node.
|
483 | 31b836b8 | Thomas Thrainer |
|
484 | 31b836b8 | Thomas Thrainer | """
|
485 | 31b836b8 | Thomas Thrainer | return {
|
486 | 31b836b8 | Thomas Thrainer | "OP_TARGET": self.op.node_name, |
487 | 31b836b8 | Thomas Thrainer | "MASTER_CANDIDATE": str(self.op.master_candidate), |
488 | 31b836b8 | Thomas Thrainer | "OFFLINE": str(self.op.offline), |
489 | 31b836b8 | Thomas Thrainer | "DRAINED": str(self.op.drained), |
490 | 31b836b8 | Thomas Thrainer | "MASTER_CAPABLE": str(self.op.master_capable), |
491 | 31b836b8 | Thomas Thrainer | "VM_CAPABLE": str(self.op.vm_capable), |
492 | 31b836b8 | Thomas Thrainer | } |
493 | 31b836b8 | Thomas Thrainer | |
494 | 31b836b8 | Thomas Thrainer | def BuildHooksNodes(self): |
495 | 31b836b8 | Thomas Thrainer | """Build hooks nodes.
|
496 | 31b836b8 | Thomas Thrainer |
|
497 | 31b836b8 | Thomas Thrainer | """
|
498 | 31b836b8 | Thomas Thrainer | nl = [self.cfg.GetMasterNode(), self.op.node_name] |
499 | 31b836b8 | Thomas Thrainer | return (nl, nl)
|
500 | 31b836b8 | Thomas Thrainer | |
501 | 31b836b8 | Thomas Thrainer | def CheckPrereq(self): |
502 | 31b836b8 | Thomas Thrainer | """Check prerequisites.
|
503 | 31b836b8 | Thomas Thrainer |
|
504 | 31b836b8 | Thomas Thrainer | This only checks the instance list against the existing names.
|
505 | 31b836b8 | Thomas Thrainer |
|
506 | 31b836b8 | Thomas Thrainer | """
|
507 | 31b836b8 | Thomas Thrainer | node = self.node = self.cfg.GetNodeInfo(self.op.node_name) |
508 | 31b836b8 | Thomas Thrainer | |
509 | 31b836b8 | Thomas Thrainer | if self.lock_instances: |
510 | 31b836b8 | Thomas Thrainer | affected_instances = \ |
511 | 31b836b8 | Thomas Thrainer | self.cfg.GetInstancesInfoByFilter(self._InstanceFilter) |
512 | 31b836b8 | Thomas Thrainer | |
513 | 31b836b8 | Thomas Thrainer | # Verify instance locks
|
514 | 31b836b8 | Thomas Thrainer | owned_instances = self.owned_locks(locking.LEVEL_INSTANCE)
|
515 | 31b836b8 | Thomas Thrainer | wanted_instances = frozenset(affected_instances.keys())
|
516 | 31b836b8 | Thomas Thrainer | if wanted_instances - owned_instances:
|
517 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Instances affected by changing node %s's" |
518 | 31b836b8 | Thomas Thrainer | " secondary IP address have changed since"
|
519 | 31b836b8 | Thomas Thrainer | " locks were acquired, wanted '%s', have"
|
520 | 31b836b8 | Thomas Thrainer | " '%s'; retry the operation" %
|
521 | 31b836b8 | Thomas Thrainer | (self.op.node_name,
|
522 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(wanted_instances), |
523 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(owned_instances)), |
524 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
525 | 31b836b8 | Thomas Thrainer | else:
|
526 | 31b836b8 | Thomas Thrainer | affected_instances = None
|
527 | 31b836b8 | Thomas Thrainer | |
528 | 31b836b8 | Thomas Thrainer | if (self.op.master_candidate is not None or |
529 | 31b836b8 | Thomas Thrainer | self.op.drained is not None or |
530 | 31b836b8 | Thomas Thrainer | self.op.offline is not None): |
531 | 31b836b8 | Thomas Thrainer | # we can't change the master's node flags
|
532 | 31b836b8 | Thomas Thrainer | if self.op.node_name == self.cfg.GetMasterNode(): |
533 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("The master role can be changed" |
534 | 31b836b8 | Thomas Thrainer | " only via master-failover",
|
535 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
536 | 31b836b8 | Thomas Thrainer | |
537 | 31b836b8 | Thomas Thrainer | if self.op.master_candidate and not node.master_capable: |
538 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s is not master capable, cannot make" |
539 | 31b836b8 | Thomas Thrainer | " it a master candidate" % node.name,
|
540 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
541 | 31b836b8 | Thomas Thrainer | |
542 | 31b836b8 | Thomas Thrainer | if self.op.vm_capable is False: |
543 | 31b836b8 | Thomas Thrainer | (ipri, isec) = self.cfg.GetNodeInstances(self.op.node_name) |
544 | 31b836b8 | Thomas Thrainer | if ipri or isec: |
545 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s hosts instances, cannot unset" |
546 | 31b836b8 | Thomas Thrainer | " the vm_capable flag" % node.name,
|
547 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
548 | 31b836b8 | Thomas Thrainer | |
549 | 31b836b8 | Thomas Thrainer | if node.master_candidate and self.might_demote and not self.lock_all: |
550 | 31b836b8 | Thomas Thrainer | assert not self.op.auto_promote, "auto_promote set but lock_all not" |
551 | 31b836b8 | Thomas Thrainer | # check if after removing the current node, we're missing master
|
552 | 31b836b8 | Thomas Thrainer | # candidates
|
553 | 31b836b8 | Thomas Thrainer | (mc_remaining, mc_should, _) = \ |
554 | 31b836b8 | Thomas Thrainer | self.cfg.GetMasterCandidateStats(exceptions=[node.name])
|
555 | 31b836b8 | Thomas Thrainer | if mc_remaining < mc_should:
|
556 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Not enough master candidates, please" |
557 | 31b836b8 | Thomas Thrainer | " pass auto promote option to allow"
|
558 | 31b836b8 | Thomas Thrainer | " promotion (--auto-promote or RAPI"
|
559 | 31b836b8 | Thomas Thrainer | " auto_promote=True)", errors.ECODE_STATE)
|
560 | 31b836b8 | Thomas Thrainer | |
561 | 31b836b8 | Thomas Thrainer | self.old_flags = old_flags = (node.master_candidate,
|
562 | 31b836b8 | Thomas Thrainer | node.drained, node.offline) |
563 | 31b836b8 | Thomas Thrainer | assert old_flags in self._F2R, "Un-handled old flags %s" % str(old_flags) |
564 | 31b836b8 | Thomas Thrainer | self.old_role = old_role = self._F2R[old_flags] |
565 | 31b836b8 | Thomas Thrainer | |
566 | 31b836b8 | Thomas Thrainer | # Check for ineffective changes
|
567 | 31b836b8 | Thomas Thrainer | for attr in self._FLAGS: |
568 | 31b836b8 | Thomas Thrainer | if (getattr(self.op, attr) is False and getattr(node, attr) is False): |
569 | 31b836b8 | Thomas Thrainer | self.LogInfo("Ignoring request to unset flag %s, already unset", attr) |
570 | 31b836b8 | Thomas Thrainer | setattr(self.op, attr, None) |
571 | 31b836b8 | Thomas Thrainer | |
572 | 31b836b8 | Thomas Thrainer | # Past this point, any flag change to False means a transition
|
573 | 31b836b8 | Thomas Thrainer | # away from the respective state, as only real changes are kept
|
574 | 31b836b8 | Thomas Thrainer | |
575 | 31b836b8 | Thomas Thrainer | # TODO: We might query the real power state if it supports OOB
|
576 | 5eacbcae | Thomas Thrainer | if SupportsOob(self.cfg, node): |
577 | 31b836b8 | Thomas Thrainer | if self.op.offline is False and not (node.powered or |
578 | 31b836b8 | Thomas Thrainer | self.op.powered is True): |
579 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError(("Node %s needs to be turned on before its" |
580 | 31b836b8 | Thomas Thrainer | " offline status can be reset") %
|
581 | 31b836b8 | Thomas Thrainer | self.op.node_name, errors.ECODE_STATE)
|
582 | 31b836b8 | Thomas Thrainer | elif self.op.powered is not None: |
583 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError(("Unable to change powered state for node %s" |
584 | 31b836b8 | Thomas Thrainer | " as it does not support out-of-band"
|
585 | 31b836b8 | Thomas Thrainer | " handling") % self.op.node_name, |
586 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
587 | 31b836b8 | Thomas Thrainer | |
588 | 31b836b8 | Thomas Thrainer | # If we're being deofflined/drained, we'll MC ourself if needed
|
589 | 31b836b8 | Thomas Thrainer | if (self.op.drained is False or self.op.offline is False or |
590 | 31b836b8 | Thomas Thrainer | (self.op.master_capable and not node.master_capable)): |
591 | 31b836b8 | Thomas Thrainer | if _DecideSelfPromotion(self): |
592 | 31b836b8 | Thomas Thrainer | self.op.master_candidate = True |
593 | 31b836b8 | Thomas Thrainer | self.LogInfo("Auto-promoting node to master candidate") |
594 | 31b836b8 | Thomas Thrainer | |
595 | 31b836b8 | Thomas Thrainer | # If we're no longer master capable, we'll demote ourselves from MC
|
596 | 31b836b8 | Thomas Thrainer | if self.op.master_capable is False and node.master_candidate: |
597 | 31b836b8 | Thomas Thrainer | self.LogInfo("Demoting from master candidate") |
598 | 31b836b8 | Thomas Thrainer | self.op.master_candidate = False |
599 | 31b836b8 | Thomas Thrainer | |
600 | 31b836b8 | Thomas Thrainer | # Compute new role
|
601 | 31b836b8 | Thomas Thrainer | assert [getattr(self.op, attr) for attr in self._FLAGS].count(True) <= 1 |
602 | 31b836b8 | Thomas Thrainer | if self.op.master_candidate: |
603 | 31b836b8 | Thomas Thrainer | new_role = self._ROLE_CANDIDATE
|
604 | 31b836b8 | Thomas Thrainer | elif self.op.drained: |
605 | 31b836b8 | Thomas Thrainer | new_role = self._ROLE_DRAINED
|
606 | 31b836b8 | Thomas Thrainer | elif self.op.offline: |
607 | 31b836b8 | Thomas Thrainer | new_role = self._ROLE_OFFLINE
|
608 | 31b836b8 | Thomas Thrainer | elif False in [self.op.master_candidate, self.op.drained, self.op.offline]: |
609 | 31b836b8 | Thomas Thrainer | # False is still in new flags, which means we're un-setting (the
|
610 | 31b836b8 | Thomas Thrainer | # only) True flag
|
611 | 31b836b8 | Thomas Thrainer | new_role = self._ROLE_REGULAR
|
612 | 31b836b8 | Thomas Thrainer | else: # no new flags, nothing, keep old role |
613 | 31b836b8 | Thomas Thrainer | new_role = old_role |
614 | 31b836b8 | Thomas Thrainer | |
615 | 31b836b8 | Thomas Thrainer | self.new_role = new_role
|
616 | 31b836b8 | Thomas Thrainer | |
617 | 31b836b8 | Thomas Thrainer | if old_role == self._ROLE_OFFLINE and new_role != old_role: |
618 | 31b836b8 | Thomas Thrainer | # Trying to transition out of offline status
|
619 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_version([node.name])[node.name]
|
620 | 31b836b8 | Thomas Thrainer | if result.fail_msg:
|
621 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s is being de-offlined but fails" |
622 | 31b836b8 | Thomas Thrainer | " to report its version: %s" %
|
623 | 31b836b8 | Thomas Thrainer | (node.name, result.fail_msg), |
624 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
625 | 31b836b8 | Thomas Thrainer | else:
|
626 | 31b836b8 | Thomas Thrainer | self.LogWarning("Transitioning node from offline to online state" |
627 | 31b836b8 | Thomas Thrainer | " without using re-add. Please make sure the node"
|
628 | 31b836b8 | Thomas Thrainer | " is healthy!")
|
629 | 31b836b8 | Thomas Thrainer | |
630 | 31b836b8 | Thomas Thrainer | # When changing the secondary ip, verify if this is a single-homed to
|
631 | 31b836b8 | Thomas Thrainer | # multi-homed transition or vice versa, and apply the relevant
|
632 | 31b836b8 | Thomas Thrainer | # restrictions.
|
633 | 31b836b8 | Thomas Thrainer | if self.op.secondary_ip: |
634 | 31b836b8 | Thomas Thrainer | # Ok even without locking, because this can't be changed by any LU
|
635 | 31b836b8 | Thomas Thrainer | master = self.cfg.GetNodeInfo(self.cfg.GetMasterNode()) |
636 | 31b836b8 | Thomas Thrainer | master_singlehomed = master.secondary_ip == master.primary_ip |
637 | 31b836b8 | Thomas Thrainer | if master_singlehomed and self.op.secondary_ip != node.primary_ip: |
638 | 31b836b8 | Thomas Thrainer | if self.op.force and node.name == master.name: |
639 | 31b836b8 | Thomas Thrainer | self.LogWarning("Transitioning from single-homed to multi-homed" |
640 | 31b836b8 | Thomas Thrainer | " cluster; all nodes will require a secondary IP"
|
641 | 31b836b8 | Thomas Thrainer | " address")
|
642 | 31b836b8 | Thomas Thrainer | else:
|
643 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Changing the secondary ip on a" |
644 | 31b836b8 | Thomas Thrainer | " single-homed cluster requires the"
|
645 | 31b836b8 | Thomas Thrainer | " --force option to be passed, and the"
|
646 | 31b836b8 | Thomas Thrainer | " target node to be the master",
|
647 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
648 | 31b836b8 | Thomas Thrainer | elif not master_singlehomed and self.op.secondary_ip == node.primary_ip: |
649 | 31b836b8 | Thomas Thrainer | if self.op.force and node.name == master.name: |
650 | 31b836b8 | Thomas Thrainer | self.LogWarning("Transitioning from multi-homed to single-homed" |
651 | 31b836b8 | Thomas Thrainer | " cluster; secondary IP addresses will have to be"
|
652 | 31b836b8 | Thomas Thrainer | " removed")
|
653 | 31b836b8 | Thomas Thrainer | else:
|
654 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Cannot set the secondary IP to be the" |
655 | 31b836b8 | Thomas Thrainer | " same as the primary IP on a multi-homed"
|
656 | 31b836b8 | Thomas Thrainer | " cluster, unless the --force option is"
|
657 | 31b836b8 | Thomas Thrainer | " passed, and the target node is the"
|
658 | 31b836b8 | Thomas Thrainer | " master", errors.ECODE_INVAL)
|
659 | 31b836b8 | Thomas Thrainer | |
660 | 31b836b8 | Thomas Thrainer | assert not (frozenset(affected_instances) - |
661 | 31b836b8 | Thomas Thrainer | self.owned_locks(locking.LEVEL_INSTANCE))
|
662 | 31b836b8 | Thomas Thrainer | |
663 | 31b836b8 | Thomas Thrainer | if node.offline:
|
664 | 31b836b8 | Thomas Thrainer | if affected_instances:
|
665 | 31b836b8 | Thomas Thrainer | msg = ("Cannot change secondary IP address: offline node has"
|
666 | 31b836b8 | Thomas Thrainer | " instances (%s) configured to use it" %
|
667 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(affected_instances.keys())) |
668 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError(msg, errors.ECODE_STATE)
|
669 | 31b836b8 | Thomas Thrainer | else:
|
670 | 31b836b8 | Thomas Thrainer | # On online nodes, check that no instances are running, and that
|
671 | 31b836b8 | Thomas Thrainer | # the node has the new ip and we can reach it.
|
672 | 31b836b8 | Thomas Thrainer | for instance in affected_instances.values(): |
673 | 5eacbcae | Thomas Thrainer | CheckInstanceState(self, instance, INSTANCE_DOWN,
|
674 | 5eacbcae | Thomas Thrainer | msg="cannot change secondary ip")
|
675 | 31b836b8 | Thomas Thrainer | |
676 | 31b836b8 | Thomas Thrainer | _CheckNodeHasSecondaryIP(self, node.name, self.op.secondary_ip, True) |
677 | 31b836b8 | Thomas Thrainer | if master.name != node.name:
|
678 | 31b836b8 | Thomas Thrainer | # check reachability from master secondary ip to new secondary ip
|
679 | 31b836b8 | Thomas Thrainer | if not netutils.TcpPing(self.op.secondary_ip, |
680 | 31b836b8 | Thomas Thrainer | constants.DEFAULT_NODED_PORT, |
681 | 31b836b8 | Thomas Thrainer | source=master.secondary_ip): |
682 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node secondary ip not reachable by TCP" |
683 | 31b836b8 | Thomas Thrainer | " based ping to node daemon port",
|
684 | 31b836b8 | Thomas Thrainer | errors.ECODE_ENVIRON) |
685 | 31b836b8 | Thomas Thrainer | |
686 | 31b836b8 | Thomas Thrainer | if self.op.ndparams: |
687 | 5eacbcae | Thomas Thrainer | new_ndparams = GetUpdatedParams(self.node.ndparams, self.op.ndparams) |
688 | 31b836b8 | Thomas Thrainer | utils.ForceDictType(new_ndparams, constants.NDS_PARAMETER_TYPES) |
689 | 5eacbcae | Thomas Thrainer | CheckParamsNotGlobal(self.op.ndparams, constants.NDC_GLOBALS, "node", |
690 | 5eacbcae | Thomas Thrainer | "node", "cluster or group") |
691 | 31b836b8 | Thomas Thrainer | self.new_ndparams = new_ndparams
|
692 | 31b836b8 | Thomas Thrainer | |
693 | 31b836b8 | Thomas Thrainer | if self.op.hv_state: |
694 | 5eacbcae | Thomas Thrainer | self.new_hv_state = MergeAndVerifyHvState(self.op.hv_state, |
695 | 5eacbcae | Thomas Thrainer | self.node.hv_state_static)
|
696 | 31b836b8 | Thomas Thrainer | |
697 | 31b836b8 | Thomas Thrainer | if self.op.disk_state: |
698 | 31b836b8 | Thomas Thrainer | self.new_disk_state = \
|
699 | 5eacbcae | Thomas Thrainer | MergeAndVerifyDiskState(self.op.disk_state,
|
700 | 5eacbcae | Thomas Thrainer | self.node.disk_state_static)
|
701 | 31b836b8 | Thomas Thrainer | |
702 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
703 | 31b836b8 | Thomas Thrainer | """Modifies a node.
|
704 | 31b836b8 | Thomas Thrainer |
|
705 | 31b836b8 | Thomas Thrainer | """
|
706 | 31b836b8 | Thomas Thrainer | node = self.node
|
707 | 31b836b8 | Thomas Thrainer | old_role = self.old_role
|
708 | 31b836b8 | Thomas Thrainer | new_role = self.new_role
|
709 | 31b836b8 | Thomas Thrainer | |
710 | 31b836b8 | Thomas Thrainer | result = [] |
711 | 31b836b8 | Thomas Thrainer | |
712 | 31b836b8 | Thomas Thrainer | if self.op.ndparams: |
713 | 31b836b8 | Thomas Thrainer | node.ndparams = self.new_ndparams
|
714 | 31b836b8 | Thomas Thrainer | |
715 | 31b836b8 | Thomas Thrainer | if self.op.powered is not None: |
716 | 31b836b8 | Thomas Thrainer | node.powered = self.op.powered
|
717 | 31b836b8 | Thomas Thrainer | |
718 | 31b836b8 | Thomas Thrainer | if self.op.hv_state: |
719 | 31b836b8 | Thomas Thrainer | node.hv_state_static = self.new_hv_state
|
720 | 31b836b8 | Thomas Thrainer | |
721 | 31b836b8 | Thomas Thrainer | if self.op.disk_state: |
722 | 31b836b8 | Thomas Thrainer | node.disk_state_static = self.new_disk_state
|
723 | 31b836b8 | Thomas Thrainer | |
724 | 31b836b8 | Thomas Thrainer | for attr in ["master_capable", "vm_capable"]: |
725 | 31b836b8 | Thomas Thrainer | val = getattr(self.op, attr) |
726 | 31b836b8 | Thomas Thrainer | if val is not None: |
727 | 31b836b8 | Thomas Thrainer | setattr(node, attr, val)
|
728 | 31b836b8 | Thomas Thrainer | result.append((attr, str(val)))
|
729 | 31b836b8 | Thomas Thrainer | |
730 | 31b836b8 | Thomas Thrainer | if new_role != old_role:
|
731 | 31b836b8 | Thomas Thrainer | # Tell the node to demote itself, if no longer MC and not offline
|
732 | 31b836b8 | Thomas Thrainer | if old_role == self._ROLE_CANDIDATE and new_role != self._ROLE_OFFLINE: |
733 | 31b836b8 | Thomas Thrainer | msg = self.rpc.call_node_demote_from_mc(node.name).fail_msg
|
734 | 31b836b8 | Thomas Thrainer | if msg:
|
735 | 31b836b8 | Thomas Thrainer | self.LogWarning("Node failed to demote itself: %s", msg) |
736 | 31b836b8 | Thomas Thrainer | |
737 | 31b836b8 | Thomas Thrainer | new_flags = self._R2F[new_role]
|
738 | 31b836b8 | Thomas Thrainer | for of, nf, desc in zip(self.old_flags, new_flags, self._FLAGS): |
739 | 31b836b8 | Thomas Thrainer | if of != nf:
|
740 | 31b836b8 | Thomas Thrainer | result.append((desc, str(nf)))
|
741 | 31b836b8 | Thomas Thrainer | (node.master_candidate, node.drained, node.offline) = new_flags |
742 | 31b836b8 | Thomas Thrainer | |
743 | 31b836b8 | Thomas Thrainer | # we locked all nodes, we adjust the CP before updating this node
|
744 | 31b836b8 | Thomas Thrainer | if self.lock_all: |
745 | 5eacbcae | Thomas Thrainer | AdjustCandidatePool(self, [node.name])
|
746 | 31b836b8 | Thomas Thrainer | |
747 | 31b836b8 | Thomas Thrainer | if self.op.secondary_ip: |
748 | 31b836b8 | Thomas Thrainer | node.secondary_ip = self.op.secondary_ip
|
749 | 31b836b8 | Thomas Thrainer | result.append(("secondary_ip", self.op.secondary_ip)) |
750 | 31b836b8 | Thomas Thrainer | |
751 | 31b836b8 | Thomas Thrainer | # this will trigger configuration file update, if needed
|
752 | 31b836b8 | Thomas Thrainer | self.cfg.Update(node, feedback_fn)
|
753 | 31b836b8 | Thomas Thrainer | |
754 | 31b836b8 | Thomas Thrainer | # this will trigger job queue propagation or cleanup if the mc
|
755 | 31b836b8 | Thomas Thrainer | # flag changed
|
756 | 31b836b8 | Thomas Thrainer | if [old_role, new_role].count(self._ROLE_CANDIDATE) == 1: |
757 | 31b836b8 | Thomas Thrainer | self.context.ReaddNode(node)
|
758 | 31b836b8 | Thomas Thrainer | |
759 | 31b836b8 | Thomas Thrainer | return result
|
760 | 31b836b8 | Thomas Thrainer | |
761 | 31b836b8 | Thomas Thrainer | |
762 | 31b836b8 | Thomas Thrainer | class LUNodePowercycle(NoHooksLU): |
763 | 31b836b8 | Thomas Thrainer | """Powercycles a node.
|
764 | 31b836b8 | Thomas Thrainer |
|
765 | 31b836b8 | Thomas Thrainer | """
|
766 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
767 | 31b836b8 | Thomas Thrainer | |
768 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
769 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
770 | 31b836b8 | Thomas Thrainer | if self.op.node_name == self.cfg.GetMasterNode() and not self.op.force: |
771 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("The node is the master and the force" |
772 | 31b836b8 | Thomas Thrainer | " parameter was not set",
|
773 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
774 | 31b836b8 | Thomas Thrainer | |
775 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
776 | 31b836b8 | Thomas Thrainer | """Locking for PowercycleNode.
|
777 | 31b836b8 | Thomas Thrainer |
|
778 | 31b836b8 | Thomas Thrainer | This is a last-resort option and shouldn't block on other
|
779 | 31b836b8 | Thomas Thrainer | jobs. Therefore, we grab no locks.
|
780 | 31b836b8 | Thomas Thrainer |
|
781 | 31b836b8 | Thomas Thrainer | """
|
782 | 31b836b8 | Thomas Thrainer | self.needed_locks = {}
|
783 | 31b836b8 | Thomas Thrainer | |
784 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
785 | 31b836b8 | Thomas Thrainer | """Reboots a node.
|
786 | 31b836b8 | Thomas Thrainer |
|
787 | 31b836b8 | Thomas Thrainer | """
|
788 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_node_powercycle(self.op.node_name, |
789 | 31b836b8 | Thomas Thrainer | self.cfg.GetHypervisorType())
|
790 | 31b836b8 | Thomas Thrainer | result.Raise("Failed to schedule the reboot")
|
791 | 31b836b8 | Thomas Thrainer | return result.payload
|
792 | 31b836b8 | Thomas Thrainer | |
793 | 31b836b8 | Thomas Thrainer | |
794 | 31b836b8 | Thomas Thrainer | def _GetNodeInstancesInner(cfg, fn): |
795 | 31b836b8 | Thomas Thrainer | return [i for i in cfg.GetAllInstancesInfo().values() if fn(i)] |
796 | 31b836b8 | Thomas Thrainer | |
797 | 31b836b8 | Thomas Thrainer | |
798 | 31b836b8 | Thomas Thrainer | def _GetNodePrimaryInstances(cfg, node_name): |
799 | 31b836b8 | Thomas Thrainer | """Returns primary instances on a node.
|
800 | 31b836b8 | Thomas Thrainer |
|
801 | 31b836b8 | Thomas Thrainer | """
|
802 | 31b836b8 | Thomas Thrainer | return _GetNodeInstancesInner(cfg,
|
803 | 31b836b8 | Thomas Thrainer | lambda inst: node_name == inst.primary_node)
|
804 | 31b836b8 | Thomas Thrainer | |
805 | 31b836b8 | Thomas Thrainer | |
806 | 31b836b8 | Thomas Thrainer | def _GetNodeSecondaryInstances(cfg, node_name): |
807 | 31b836b8 | Thomas Thrainer | """Returns secondary instances on a node.
|
808 | 31b836b8 | Thomas Thrainer |
|
809 | 31b836b8 | Thomas Thrainer | """
|
810 | 31b836b8 | Thomas Thrainer | return _GetNodeInstancesInner(cfg,
|
811 | 31b836b8 | Thomas Thrainer | lambda inst: node_name in inst.secondary_nodes) |
812 | 31b836b8 | Thomas Thrainer | |
813 | 31b836b8 | Thomas Thrainer | |
814 | 31b836b8 | Thomas Thrainer | def _GetNodeInstances(cfg, node_name): |
815 | 31b836b8 | Thomas Thrainer | """Returns a list of all primary and secondary instances on a node.
|
816 | 31b836b8 | Thomas Thrainer |
|
817 | 31b836b8 | Thomas Thrainer | """
|
818 | 31b836b8 | Thomas Thrainer | |
819 | 31b836b8 | Thomas Thrainer | return _GetNodeInstancesInner(cfg, lambda inst: node_name in inst.all_nodes) |
820 | 31b836b8 | Thomas Thrainer | |
821 | 31b836b8 | Thomas Thrainer | |
822 | 31b836b8 | Thomas Thrainer | class LUNodeEvacuate(NoHooksLU): |
823 | 31b836b8 | Thomas Thrainer | """Evacuates instances off a list of nodes.
|
824 | 31b836b8 | Thomas Thrainer |
|
825 | 31b836b8 | Thomas Thrainer | """
|
826 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
827 | 31b836b8 | Thomas Thrainer | |
828 | 31b836b8 | Thomas Thrainer | _MODE2IALLOCATOR = { |
829 | 31b836b8 | Thomas Thrainer | constants.NODE_EVAC_PRI: constants.IALLOCATOR_NEVAC_PRI, |
830 | 31b836b8 | Thomas Thrainer | constants.NODE_EVAC_SEC: constants.IALLOCATOR_NEVAC_SEC, |
831 | 31b836b8 | Thomas Thrainer | constants.NODE_EVAC_ALL: constants.IALLOCATOR_NEVAC_ALL, |
832 | 31b836b8 | Thomas Thrainer | } |
833 | 31b836b8 | Thomas Thrainer | assert frozenset(_MODE2IALLOCATOR.keys()) == constants.NODE_EVAC_MODES |
834 | 31b836b8 | Thomas Thrainer | assert (frozenset(_MODE2IALLOCATOR.values()) == |
835 | 31b836b8 | Thomas Thrainer | constants.IALLOCATOR_NEVAC_MODES) |
836 | 31b836b8 | Thomas Thrainer | |
837 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
838 | 5eacbcae | Thomas Thrainer | CheckIAllocatorOrNode(self, "iallocator", "remote_node") |
839 | 31b836b8 | Thomas Thrainer | |
840 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
841 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
842 | 31b836b8 | Thomas Thrainer | |
843 | 31b836b8 | Thomas Thrainer | if self.op.remote_node is not None: |
844 | 5eacbcae | Thomas Thrainer | self.op.remote_node = ExpandNodeName(self.cfg, self.op.remote_node) |
845 | 31b836b8 | Thomas Thrainer | assert self.op.remote_node |
846 | 31b836b8 | Thomas Thrainer | |
847 | 31b836b8 | Thomas Thrainer | if self.op.remote_node == self.op.node_name: |
848 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Can not use evacuated node as a new" |
849 | 31b836b8 | Thomas Thrainer | " secondary node", errors.ECODE_INVAL)
|
850 | 31b836b8 | Thomas Thrainer | |
851 | 31b836b8 | Thomas Thrainer | if self.op.mode != constants.NODE_EVAC_SEC: |
852 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Without the use of an iallocator only" |
853 | 31b836b8 | Thomas Thrainer | " secondary instances can be evacuated",
|
854 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
855 | 31b836b8 | Thomas Thrainer | |
856 | 31b836b8 | Thomas Thrainer | # Declare locks
|
857 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
858 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
859 | 31b836b8 | Thomas Thrainer | locking.LEVEL_INSTANCE: [], |
860 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODEGROUP: [], |
861 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: [], |
862 | 31b836b8 | Thomas Thrainer | } |
863 | 31b836b8 | Thomas Thrainer | |
864 | 31b836b8 | Thomas Thrainer | # Determine nodes (via group) optimistically, needs verification once locks
|
865 | 31b836b8 | Thomas Thrainer | # have been acquired
|
866 | 31b836b8 | Thomas Thrainer | self.lock_nodes = self._DetermineNodes() |
867 | 31b836b8 | Thomas Thrainer | |
868 | 31b836b8 | Thomas Thrainer | def _DetermineNodes(self): |
869 | 31b836b8 | Thomas Thrainer | """Gets the list of nodes to operate on.
|
870 | 31b836b8 | Thomas Thrainer |
|
871 | 31b836b8 | Thomas Thrainer | """
|
872 | 31b836b8 | Thomas Thrainer | if self.op.remote_node is None: |
873 | 31b836b8 | Thomas Thrainer | # Iallocator will choose any node(s) in the same group
|
874 | 31b836b8 | Thomas Thrainer | group_nodes = self.cfg.GetNodeGroupMembersByNodes([self.op.node_name]) |
875 | 31b836b8 | Thomas Thrainer | else:
|
876 | 31b836b8 | Thomas Thrainer | group_nodes = frozenset([self.op.remote_node]) |
877 | 31b836b8 | Thomas Thrainer | |
878 | 31b836b8 | Thomas Thrainer | # Determine nodes to be locked
|
879 | 31b836b8 | Thomas Thrainer | return set([self.op.node_name]) | group_nodes |
880 | 31b836b8 | Thomas Thrainer | |
881 | 31b836b8 | Thomas Thrainer | def _DetermineInstances(self): |
882 | 31b836b8 | Thomas Thrainer | """Builds list of instances to operate on.
|
883 | 31b836b8 | Thomas Thrainer |
|
884 | 31b836b8 | Thomas Thrainer | """
|
885 | 31b836b8 | Thomas Thrainer | assert self.op.mode in constants.NODE_EVAC_MODES |
886 | 31b836b8 | Thomas Thrainer | |
887 | 31b836b8 | Thomas Thrainer | if self.op.mode == constants.NODE_EVAC_PRI: |
888 | 31b836b8 | Thomas Thrainer | # Primary instances only
|
889 | 31b836b8 | Thomas Thrainer | inst_fn = _GetNodePrimaryInstances |
890 | 31b836b8 | Thomas Thrainer | assert self.op.remote_node is None, \ |
891 | 31b836b8 | Thomas Thrainer | "Evacuating primary instances requires iallocator"
|
892 | 31b836b8 | Thomas Thrainer | elif self.op.mode == constants.NODE_EVAC_SEC: |
893 | 31b836b8 | Thomas Thrainer | # Secondary instances only
|
894 | 31b836b8 | Thomas Thrainer | inst_fn = _GetNodeSecondaryInstances |
895 | 31b836b8 | Thomas Thrainer | else:
|
896 | 31b836b8 | Thomas Thrainer | # All instances
|
897 | 31b836b8 | Thomas Thrainer | assert self.op.mode == constants.NODE_EVAC_ALL |
898 | 31b836b8 | Thomas Thrainer | inst_fn = _GetNodeInstances |
899 | 31b836b8 | Thomas Thrainer | # TODO: In 2.6, change the iallocator interface to take an evacuation mode
|
900 | 31b836b8 | Thomas Thrainer | # per instance
|
901 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Due to an issue with the iallocator" |
902 | 31b836b8 | Thomas Thrainer | " interface it is not possible to evacuate"
|
903 | 31b836b8 | Thomas Thrainer | " all instances at once; specify explicitly"
|
904 | 31b836b8 | Thomas Thrainer | " whether to evacuate primary or secondary"
|
905 | 31b836b8 | Thomas Thrainer | " instances",
|
906 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
907 | 31b836b8 | Thomas Thrainer | |
908 | 31b836b8 | Thomas Thrainer | return inst_fn(self.cfg, self.op.node_name) |
909 | 31b836b8 | Thomas Thrainer | |
910 | 31b836b8 | Thomas Thrainer | def DeclareLocks(self, level): |
911 | 31b836b8 | Thomas Thrainer | if level == locking.LEVEL_INSTANCE:
|
912 | 31b836b8 | Thomas Thrainer | # Lock instances optimistically, needs verification once node and group
|
913 | 31b836b8 | Thomas Thrainer | # locks have been acquired
|
914 | 31b836b8 | Thomas Thrainer | self.needed_locks[locking.LEVEL_INSTANCE] = \
|
915 | 31b836b8 | Thomas Thrainer | set(i.name for i in self._DetermineInstances()) |
916 | 31b836b8 | Thomas Thrainer | |
917 | 31b836b8 | Thomas Thrainer | elif level == locking.LEVEL_NODEGROUP:
|
918 | 31b836b8 | Thomas Thrainer | # Lock node groups for all potential target nodes optimistically, needs
|
919 | 31b836b8 | Thomas Thrainer | # verification once nodes have been acquired
|
920 | 31b836b8 | Thomas Thrainer | self.needed_locks[locking.LEVEL_NODEGROUP] = \
|
921 | 31b836b8 | Thomas Thrainer | self.cfg.GetNodeGroupsFromNodes(self.lock_nodes) |
922 | 31b836b8 | Thomas Thrainer | |
923 | 31b836b8 | Thomas Thrainer | elif level == locking.LEVEL_NODE:
|
924 | 31b836b8 | Thomas Thrainer | self.needed_locks[locking.LEVEL_NODE] = self.lock_nodes |
925 | 31b836b8 | Thomas Thrainer | |
926 | 31b836b8 | Thomas Thrainer | def CheckPrereq(self): |
927 | 31b836b8 | Thomas Thrainer | # Verify locks
|
928 | 31b836b8 | Thomas Thrainer | owned_instances = self.owned_locks(locking.LEVEL_INSTANCE)
|
929 | 31b836b8 | Thomas Thrainer | owned_nodes = self.owned_locks(locking.LEVEL_NODE)
|
930 | 31b836b8 | Thomas Thrainer | owned_groups = self.owned_locks(locking.LEVEL_NODEGROUP)
|
931 | 31b836b8 | Thomas Thrainer | |
932 | 31b836b8 | Thomas Thrainer | need_nodes = self._DetermineNodes()
|
933 | 31b836b8 | Thomas Thrainer | |
934 | 31b836b8 | Thomas Thrainer | if not owned_nodes.issuperset(need_nodes): |
935 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Nodes in same group as '%s' changed since" |
936 | 31b836b8 | Thomas Thrainer | " locks were acquired, current nodes are"
|
937 | 31b836b8 | Thomas Thrainer | " are '%s', used to be '%s'; retry the"
|
938 | 31b836b8 | Thomas Thrainer | " operation" %
|
939 | 31b836b8 | Thomas Thrainer | (self.op.node_name,
|
940 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(need_nodes), |
941 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(owned_nodes)), |
942 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
943 | 31b836b8 | Thomas Thrainer | |
944 | 31b836b8 | Thomas Thrainer | wanted_groups = self.cfg.GetNodeGroupsFromNodes(owned_nodes)
|
945 | 31b836b8 | Thomas Thrainer | if owned_groups != wanted_groups:
|
946 | 31b836b8 | Thomas Thrainer | raise errors.OpExecError("Node groups changed since locks were acquired," |
947 | 31b836b8 | Thomas Thrainer | " current groups are '%s', used to be '%s';"
|
948 | 31b836b8 | Thomas Thrainer | " retry the operation" %
|
949 | 31b836b8 | Thomas Thrainer | (utils.CommaJoin(wanted_groups), |
950 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(owned_groups))) |
951 | 31b836b8 | Thomas Thrainer | |
952 | 31b836b8 | Thomas Thrainer | # Determine affected instances
|
953 | 31b836b8 | Thomas Thrainer | self.instances = self._DetermineInstances() |
954 | 31b836b8 | Thomas Thrainer | self.instance_names = [i.name for i in self.instances] |
955 | 31b836b8 | Thomas Thrainer | |
956 | 31b836b8 | Thomas Thrainer | if set(self.instance_names) != owned_instances: |
957 | 31b836b8 | Thomas Thrainer | raise errors.OpExecError("Instances on node '%s' changed since locks" |
958 | 31b836b8 | Thomas Thrainer | " were acquired, current instances are '%s',"
|
959 | 31b836b8 | Thomas Thrainer | " used to be '%s'; retry the operation" %
|
960 | 31b836b8 | Thomas Thrainer | (self.op.node_name,
|
961 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(self.instance_names),
|
962 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(owned_instances))) |
963 | 31b836b8 | Thomas Thrainer | |
964 | 31b836b8 | Thomas Thrainer | if self.instance_names: |
965 | 31b836b8 | Thomas Thrainer | self.LogInfo("Evacuating instances from node '%s': %s", |
966 | 31b836b8 | Thomas Thrainer | self.op.node_name,
|
967 | 31b836b8 | Thomas Thrainer | utils.CommaJoin(utils.NiceSort(self.instance_names)))
|
968 | 31b836b8 | Thomas Thrainer | else:
|
969 | 31b836b8 | Thomas Thrainer | self.LogInfo("No instances to evacuate from node '%s'", |
970 | 31b836b8 | Thomas Thrainer | self.op.node_name)
|
971 | 31b836b8 | Thomas Thrainer | |
972 | 31b836b8 | Thomas Thrainer | if self.op.remote_node is not None: |
973 | 31b836b8 | Thomas Thrainer | for i in self.instances: |
974 | 31b836b8 | Thomas Thrainer | if i.primary_node == self.op.remote_node: |
975 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node %s is the primary node of" |
976 | 31b836b8 | Thomas Thrainer | " instance %s, cannot use it as"
|
977 | 31b836b8 | Thomas Thrainer | " secondary" %
|
978 | 31b836b8 | Thomas Thrainer | (self.op.remote_node, i.name),
|
979 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
980 | 31b836b8 | Thomas Thrainer | |
981 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
982 | 31b836b8 | Thomas Thrainer | assert (self.op.iallocator is not None) ^ (self.op.remote_node is not None) |
983 | 31b836b8 | Thomas Thrainer | |
984 | 31b836b8 | Thomas Thrainer | if not self.instance_names: |
985 | 31b836b8 | Thomas Thrainer | # No instances to evacuate
|
986 | 31b836b8 | Thomas Thrainer | jobs = [] |
987 | 31b836b8 | Thomas Thrainer | |
988 | 31b836b8 | Thomas Thrainer | elif self.op.iallocator is not None: |
989 | 31b836b8 | Thomas Thrainer | # TODO: Implement relocation to other group
|
990 | 31b836b8 | Thomas Thrainer | evac_mode = self._MODE2IALLOCATOR[self.op.mode] |
991 | 31b836b8 | Thomas Thrainer | req = iallocator.IAReqNodeEvac(evac_mode=evac_mode, |
992 | 31b836b8 | Thomas Thrainer | instances=list(self.instance_names)) |
993 | 31b836b8 | Thomas Thrainer | ial = iallocator.IAllocator(self.cfg, self.rpc, req) |
994 | 31b836b8 | Thomas Thrainer | |
995 | 31b836b8 | Thomas Thrainer | ial.Run(self.op.iallocator)
|
996 | 31b836b8 | Thomas Thrainer | |
997 | 31b836b8 | Thomas Thrainer | if not ial.success: |
998 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Can't compute node evacuation using" |
999 | 31b836b8 | Thomas Thrainer | " iallocator '%s': %s" %
|
1000 | 31b836b8 | Thomas Thrainer | (self.op.iallocator, ial.info),
|
1001 | 31b836b8 | Thomas Thrainer | errors.ECODE_NORES) |
1002 | 31b836b8 | Thomas Thrainer | |
1003 | 5eacbcae | Thomas Thrainer | jobs = LoadNodeEvacResult(self, ial.result, self.op.early_release, True) |
1004 | 31b836b8 | Thomas Thrainer | |
1005 | 31b836b8 | Thomas Thrainer | elif self.op.remote_node is not None: |
1006 | 31b836b8 | Thomas Thrainer | assert self.op.mode == constants.NODE_EVAC_SEC |
1007 | 31b836b8 | Thomas Thrainer | jobs = [ |
1008 | 31b836b8 | Thomas Thrainer | [opcodes.OpInstanceReplaceDisks(instance_name=instance_name, |
1009 | 31b836b8 | Thomas Thrainer | remote_node=self.op.remote_node,
|
1010 | 31b836b8 | Thomas Thrainer | disks=[], |
1011 | 31b836b8 | Thomas Thrainer | mode=constants.REPLACE_DISK_CHG, |
1012 | 31b836b8 | Thomas Thrainer | early_release=self.op.early_release)]
|
1013 | 31b836b8 | Thomas Thrainer | for instance_name in self.instance_names] |
1014 | 31b836b8 | Thomas Thrainer | |
1015 | 31b836b8 | Thomas Thrainer | else:
|
1016 | 31b836b8 | Thomas Thrainer | raise errors.ProgrammerError("No iallocator or remote node") |
1017 | 31b836b8 | Thomas Thrainer | |
1018 | 31b836b8 | Thomas Thrainer | return ResultWithJobs(jobs)
|
1019 | 31b836b8 | Thomas Thrainer | |
1020 | 31b836b8 | Thomas Thrainer | |
1021 | 31b836b8 | Thomas Thrainer | class LUNodeMigrate(LogicalUnit): |
1022 | 31b836b8 | Thomas Thrainer | """Migrate all instances from a node.
|
1023 | 31b836b8 | Thomas Thrainer |
|
1024 | 31b836b8 | Thomas Thrainer | """
|
1025 | 31b836b8 | Thomas Thrainer | HPATH = "node-migrate"
|
1026 | 31b836b8 | Thomas Thrainer | HTYPE = constants.HTYPE_NODE |
1027 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
1028 | 31b836b8 | Thomas Thrainer | |
1029 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
1030 | 31b836b8 | Thomas Thrainer | pass
|
1031 | 31b836b8 | Thomas Thrainer | |
1032 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
1033 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
1034 | 31b836b8 | Thomas Thrainer | |
1035 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
1036 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1037 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: [self.op.node_name],
|
1038 | 31b836b8 | Thomas Thrainer | } |
1039 | 31b836b8 | Thomas Thrainer | |
1040 | 31b836b8 | Thomas Thrainer | def BuildHooksEnv(self): |
1041 | 31b836b8 | Thomas Thrainer | """Build hooks env.
|
1042 | 31b836b8 | Thomas Thrainer |
|
1043 | 31b836b8 | Thomas Thrainer | This runs on the master, the primary and all the secondaries.
|
1044 | 31b836b8 | Thomas Thrainer |
|
1045 | 31b836b8 | Thomas Thrainer | """
|
1046 | 31b836b8 | Thomas Thrainer | return {
|
1047 | 31b836b8 | Thomas Thrainer | "NODE_NAME": self.op.node_name, |
1048 | 31b836b8 | Thomas Thrainer | "ALLOW_RUNTIME_CHANGES": self.op.allow_runtime_changes, |
1049 | 31b836b8 | Thomas Thrainer | } |
1050 | 31b836b8 | Thomas Thrainer | |
1051 | 31b836b8 | Thomas Thrainer | def BuildHooksNodes(self): |
1052 | 31b836b8 | Thomas Thrainer | """Build hooks nodes.
|
1053 | 31b836b8 | Thomas Thrainer |
|
1054 | 31b836b8 | Thomas Thrainer | """
|
1055 | 31b836b8 | Thomas Thrainer | nl = [self.cfg.GetMasterNode()]
|
1056 | 31b836b8 | Thomas Thrainer | return (nl, nl)
|
1057 | 31b836b8 | Thomas Thrainer | |
1058 | 31b836b8 | Thomas Thrainer | def CheckPrereq(self): |
1059 | 31b836b8 | Thomas Thrainer | pass
|
1060 | 31b836b8 | Thomas Thrainer | |
1061 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1062 | 31b836b8 | Thomas Thrainer | # Prepare jobs for migration instances
|
1063 | 31b836b8 | Thomas Thrainer | allow_runtime_changes = self.op.allow_runtime_changes
|
1064 | 31b836b8 | Thomas Thrainer | jobs = [ |
1065 | 31b836b8 | Thomas Thrainer | [opcodes.OpInstanceMigrate(instance_name=inst.name, |
1066 | 31b836b8 | Thomas Thrainer | mode=self.op.mode,
|
1067 | 31b836b8 | Thomas Thrainer | live=self.op.live,
|
1068 | 31b836b8 | Thomas Thrainer | iallocator=self.op.iallocator,
|
1069 | 31b836b8 | Thomas Thrainer | target_node=self.op.target_node,
|
1070 | 31b836b8 | Thomas Thrainer | allow_runtime_changes=allow_runtime_changes, |
1071 | 31b836b8 | Thomas Thrainer | ignore_ipolicy=self.op.ignore_ipolicy)]
|
1072 | 31b836b8 | Thomas Thrainer | for inst in _GetNodePrimaryInstances(self.cfg, self.op.node_name)] |
1073 | 31b836b8 | Thomas Thrainer | |
1074 | 31b836b8 | Thomas Thrainer | # TODO: Run iallocator in this opcode and pass correct placement options to
|
1075 | 31b836b8 | Thomas Thrainer | # OpInstanceMigrate. Since other jobs can modify the cluster between
|
1076 | 31b836b8 | Thomas Thrainer | # running the iallocator and the actual migration, a good consistency model
|
1077 | 31b836b8 | Thomas Thrainer | # will have to be found.
|
1078 | 31b836b8 | Thomas Thrainer | |
1079 | 31b836b8 | Thomas Thrainer | assert (frozenset(self.owned_locks(locking.LEVEL_NODE)) == |
1080 | 31b836b8 | Thomas Thrainer | frozenset([self.op.node_name])) |
1081 | 31b836b8 | Thomas Thrainer | |
1082 | 31b836b8 | Thomas Thrainer | return ResultWithJobs(jobs)
|
1083 | 31b836b8 | Thomas Thrainer | |
1084 | 31b836b8 | Thomas Thrainer | |
1085 | 31b836b8 | Thomas Thrainer | def _GetStorageTypeArgs(cfg, storage_type): |
1086 | 31b836b8 | Thomas Thrainer | """Returns the arguments for a storage type.
|
1087 | 31b836b8 | Thomas Thrainer |
|
1088 | 31b836b8 | Thomas Thrainer | """
|
1089 | 31b836b8 | Thomas Thrainer | # Special case for file storage
|
1090 | 31b836b8 | Thomas Thrainer | if storage_type == constants.ST_FILE:
|
1091 | 31b836b8 | Thomas Thrainer | # storage.FileStorage wants a list of storage directories
|
1092 | 31b836b8 | Thomas Thrainer | return [[cfg.GetFileStorageDir(), cfg.GetSharedFileStorageDir()]]
|
1093 | 31b836b8 | Thomas Thrainer | |
1094 | 31b836b8 | Thomas Thrainer | return []
|
1095 | 31b836b8 | Thomas Thrainer | |
1096 | 31b836b8 | Thomas Thrainer | |
1097 | 31b836b8 | Thomas Thrainer | class LUNodeModifyStorage(NoHooksLU): |
1098 | 31b836b8 | Thomas Thrainer | """Logical unit for modifying a storage volume on a node.
|
1099 | 31b836b8 | Thomas Thrainer |
|
1100 | 31b836b8 | Thomas Thrainer | """
|
1101 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
1102 | 31b836b8 | Thomas Thrainer | |
1103 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
1104 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
1105 | 31b836b8 | Thomas Thrainer | |
1106 | 31b836b8 | Thomas Thrainer | storage_type = self.op.storage_type
|
1107 | 31b836b8 | Thomas Thrainer | |
1108 | 31b836b8 | Thomas Thrainer | try:
|
1109 | 31b836b8 | Thomas Thrainer | modifiable = constants.MODIFIABLE_STORAGE_FIELDS[storage_type] |
1110 | 31b836b8 | Thomas Thrainer | except KeyError: |
1111 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Storage units of type '%s' can not be" |
1112 | 31b836b8 | Thomas Thrainer | " modified" % storage_type,
|
1113 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
1114 | 31b836b8 | Thomas Thrainer | |
1115 | 31b836b8 | Thomas Thrainer | diff = set(self.op.changes.keys()) - modifiable |
1116 | 31b836b8 | Thomas Thrainer | if diff:
|
1117 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("The following fields can not be modified for" |
1118 | 31b836b8 | Thomas Thrainer | " storage units of type '%s': %r" %
|
1119 | 31b836b8 | Thomas Thrainer | (storage_type, list(diff)),
|
1120 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
1121 | 31b836b8 | Thomas Thrainer | |
1122 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
1123 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1124 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: self.op.node_name,
|
1125 | 31b836b8 | Thomas Thrainer | } |
1126 | 31b836b8 | Thomas Thrainer | |
1127 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1128 | 31b836b8 | Thomas Thrainer | """Computes the list of nodes and their attributes.
|
1129 | 31b836b8 | Thomas Thrainer |
|
1130 | 31b836b8 | Thomas Thrainer | """
|
1131 | 31b836b8 | Thomas Thrainer | st_args = _GetStorageTypeArgs(self.cfg, self.op.storage_type) |
1132 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_storage_modify(self.op.node_name, |
1133 | 31b836b8 | Thomas Thrainer | self.op.storage_type, st_args,
|
1134 | 31b836b8 | Thomas Thrainer | self.op.name, self.op.changes) |
1135 | 31b836b8 | Thomas Thrainer | result.Raise("Failed to modify storage unit '%s' on %s" %
|
1136 | 31b836b8 | Thomas Thrainer | (self.op.name, self.op.node_name)) |
1137 | 31b836b8 | Thomas Thrainer | |
1138 | 31b836b8 | Thomas Thrainer | |
1139 | 5eacbcae | Thomas Thrainer | class NodeQuery(QueryBase): |
1140 | 31b836b8 | Thomas Thrainer | FIELDS = query.NODE_FIELDS |
1141 | 31b836b8 | Thomas Thrainer | |
1142 | 31b836b8 | Thomas Thrainer | def ExpandNames(self, lu): |
1143 | 31b836b8 | Thomas Thrainer | lu.needed_locks = {} |
1144 | 5eacbcae | Thomas Thrainer | lu.share_locks = ShareAll() |
1145 | 31b836b8 | Thomas Thrainer | |
1146 | 31b836b8 | Thomas Thrainer | if self.names: |
1147 | 5eacbcae | Thomas Thrainer | self.wanted = GetWantedNodes(lu, self.names) |
1148 | 31b836b8 | Thomas Thrainer | else:
|
1149 | 31b836b8 | Thomas Thrainer | self.wanted = locking.ALL_SET
|
1150 | 31b836b8 | Thomas Thrainer | |
1151 | 31b836b8 | Thomas Thrainer | self.do_locking = (self.use_locking and |
1152 | 31b836b8 | Thomas Thrainer | query.NQ_LIVE in self.requested_data) |
1153 | 31b836b8 | Thomas Thrainer | |
1154 | 31b836b8 | Thomas Thrainer | if self.do_locking: |
1155 | 31b836b8 | Thomas Thrainer | # If any non-static field is requested we need to lock the nodes
|
1156 | 31b836b8 | Thomas Thrainer | lu.needed_locks[locking.LEVEL_NODE] = self.wanted
|
1157 | 31b836b8 | Thomas Thrainer | lu.needed_locks[locking.LEVEL_NODE_ALLOC] = locking.ALL_SET |
1158 | 31b836b8 | Thomas Thrainer | |
1159 | 31b836b8 | Thomas Thrainer | def DeclareLocks(self, lu, level): |
1160 | 31b836b8 | Thomas Thrainer | pass
|
1161 | 31b836b8 | Thomas Thrainer | |
1162 | 31b836b8 | Thomas Thrainer | def _GetQueryData(self, lu): |
1163 | 31b836b8 | Thomas Thrainer | """Computes the list of nodes and their attributes.
|
1164 | 31b836b8 | Thomas Thrainer |
|
1165 | 31b836b8 | Thomas Thrainer | """
|
1166 | 31b836b8 | Thomas Thrainer | all_info = lu.cfg.GetAllNodesInfo() |
1167 | 31b836b8 | Thomas Thrainer | |
1168 | 31b836b8 | Thomas Thrainer | nodenames = self._GetNames(lu, all_info.keys(), locking.LEVEL_NODE)
|
1169 | 31b836b8 | Thomas Thrainer | |
1170 | 31b836b8 | Thomas Thrainer | # Gather data as requested
|
1171 | 31b836b8 | Thomas Thrainer | if query.NQ_LIVE in self.requested_data: |
1172 | 31b836b8 | Thomas Thrainer | # filter out non-vm_capable nodes
|
1173 | 31b836b8 | Thomas Thrainer | toquery_nodes = [name for name in nodenames if all_info[name].vm_capable] |
1174 | 31b836b8 | Thomas Thrainer | |
1175 | 31b836b8 | Thomas Thrainer | es_flags = rpc.GetExclusiveStorageForNodeNames(lu.cfg, toquery_nodes) |
1176 | 31b836b8 | Thomas Thrainer | node_data = lu.rpc.call_node_info(toquery_nodes, [lu.cfg.GetVGName()], |
1177 | 31b836b8 | Thomas Thrainer | [lu.cfg.GetHypervisorType()], es_flags) |
1178 | 31b836b8 | Thomas Thrainer | live_data = dict((name, rpc.MakeLegacyNodeInfo(nresult.payload))
|
1179 | 31b836b8 | Thomas Thrainer | for (name, nresult) in node_data.items() |
1180 | 31b836b8 | Thomas Thrainer | if not nresult.fail_msg and nresult.payload) |
1181 | 31b836b8 | Thomas Thrainer | else:
|
1182 | 31b836b8 | Thomas Thrainer | live_data = None
|
1183 | 31b836b8 | Thomas Thrainer | |
1184 | 31b836b8 | Thomas Thrainer | if query.NQ_INST in self.requested_data: |
1185 | 31b836b8 | Thomas Thrainer | node_to_primary = dict([(name, set()) for name in nodenames]) |
1186 | 31b836b8 | Thomas Thrainer | node_to_secondary = dict([(name, set()) for name in nodenames]) |
1187 | 31b836b8 | Thomas Thrainer | |
1188 | 31b836b8 | Thomas Thrainer | inst_data = lu.cfg.GetAllInstancesInfo() |
1189 | 31b836b8 | Thomas Thrainer | |
1190 | 31b836b8 | Thomas Thrainer | for inst in inst_data.values(): |
1191 | 31b836b8 | Thomas Thrainer | if inst.primary_node in node_to_primary: |
1192 | 31b836b8 | Thomas Thrainer | node_to_primary[inst.primary_node].add(inst.name) |
1193 | 31b836b8 | Thomas Thrainer | for secnode in inst.secondary_nodes: |
1194 | 31b836b8 | Thomas Thrainer | if secnode in node_to_secondary: |
1195 | 31b836b8 | Thomas Thrainer | node_to_secondary[secnode].add(inst.name) |
1196 | 31b836b8 | Thomas Thrainer | else:
|
1197 | 31b836b8 | Thomas Thrainer | node_to_primary = None
|
1198 | 31b836b8 | Thomas Thrainer | node_to_secondary = None
|
1199 | 31b836b8 | Thomas Thrainer | |
1200 | 31b836b8 | Thomas Thrainer | if query.NQ_OOB in self.requested_data: |
1201 | 5eacbcae | Thomas Thrainer | oob_support = dict((name, bool(SupportsOob(lu.cfg, node))) |
1202 | 31b836b8 | Thomas Thrainer | for name, node in all_info.iteritems()) |
1203 | 31b836b8 | Thomas Thrainer | else:
|
1204 | 31b836b8 | Thomas Thrainer | oob_support = None
|
1205 | 31b836b8 | Thomas Thrainer | |
1206 | 31b836b8 | Thomas Thrainer | if query.NQ_GROUP in self.requested_data: |
1207 | 31b836b8 | Thomas Thrainer | groups = lu.cfg.GetAllNodeGroupsInfo() |
1208 | 31b836b8 | Thomas Thrainer | else:
|
1209 | 31b836b8 | Thomas Thrainer | groups = {} |
1210 | 31b836b8 | Thomas Thrainer | |
1211 | 31b836b8 | Thomas Thrainer | return query.NodeQueryData([all_info[name] for name in nodenames], |
1212 | 31b836b8 | Thomas Thrainer | live_data, lu.cfg.GetMasterNode(), |
1213 | 31b836b8 | Thomas Thrainer | node_to_primary, node_to_secondary, groups, |
1214 | 31b836b8 | Thomas Thrainer | oob_support, lu.cfg.GetClusterInfo()) |
1215 | 31b836b8 | Thomas Thrainer | |
1216 | 31b836b8 | Thomas Thrainer | |
1217 | 31b836b8 | Thomas Thrainer | class LUNodeQuery(NoHooksLU): |
1218 | 31b836b8 | Thomas Thrainer | """Logical unit for querying nodes.
|
1219 | 31b836b8 | Thomas Thrainer |
|
1220 | 31b836b8 | Thomas Thrainer | """
|
1221 | 31b836b8 | Thomas Thrainer | # pylint: disable=W0142
|
1222 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
1223 | 31b836b8 | Thomas Thrainer | |
1224 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
1225 | 5eacbcae | Thomas Thrainer | self.nq = NodeQuery(qlang.MakeSimpleFilter("name", self.op.names), |
1226 | 31b836b8 | Thomas Thrainer | self.op.output_fields, self.op.use_locking) |
1227 | 31b836b8 | Thomas Thrainer | |
1228 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
1229 | 31b836b8 | Thomas Thrainer | self.nq.ExpandNames(self) |
1230 | 31b836b8 | Thomas Thrainer | |
1231 | 31b836b8 | Thomas Thrainer | def DeclareLocks(self, level): |
1232 | 31b836b8 | Thomas Thrainer | self.nq.DeclareLocks(self, level) |
1233 | 31b836b8 | Thomas Thrainer | |
1234 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1235 | 31b836b8 | Thomas Thrainer | return self.nq.OldStyleQuery(self) |
1236 | 31b836b8 | Thomas Thrainer | |
1237 | 31b836b8 | Thomas Thrainer | |
1238 | 31b836b8 | Thomas Thrainer | def _CheckOutputFields(static, dynamic, selected): |
1239 | 31b836b8 | Thomas Thrainer | """Checks whether all selected fields are valid.
|
1240 | 31b836b8 | Thomas Thrainer |
|
1241 | 31b836b8 | Thomas Thrainer | @type static: L{utils.FieldSet}
|
1242 | 31b836b8 | Thomas Thrainer | @param static: static fields set
|
1243 | 31b836b8 | Thomas Thrainer | @type dynamic: L{utils.FieldSet}
|
1244 | 31b836b8 | Thomas Thrainer | @param dynamic: dynamic fields set
|
1245 | 31b836b8 | Thomas Thrainer |
|
1246 | 31b836b8 | Thomas Thrainer | """
|
1247 | 31b836b8 | Thomas Thrainer | f = utils.FieldSet() |
1248 | 31b836b8 | Thomas Thrainer | f.Extend(static) |
1249 | 31b836b8 | Thomas Thrainer | f.Extend(dynamic) |
1250 | 31b836b8 | Thomas Thrainer | |
1251 | 31b836b8 | Thomas Thrainer | delta = f.NonMatching(selected) |
1252 | 31b836b8 | Thomas Thrainer | if delta:
|
1253 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Unknown output fields selected: %s" |
1254 | 31b836b8 | Thomas Thrainer | % ",".join(delta), errors.ECODE_INVAL)
|
1255 | 31b836b8 | Thomas Thrainer | |
1256 | 31b836b8 | Thomas Thrainer | |
1257 | 31b836b8 | Thomas Thrainer | class LUNodeQueryvols(NoHooksLU): |
1258 | 31b836b8 | Thomas Thrainer | """Logical unit for getting volumes on node(s).
|
1259 | 31b836b8 | Thomas Thrainer |
|
1260 | 31b836b8 | Thomas Thrainer | """
|
1261 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
1262 | 31b836b8 | Thomas Thrainer | _FIELDS_DYNAMIC = utils.FieldSet("phys", "vg", "name", "size", "instance") |
1263 | 31b836b8 | Thomas Thrainer | _FIELDS_STATIC = utils.FieldSet("node")
|
1264 | 31b836b8 | Thomas Thrainer | |
1265 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
1266 | 31b836b8 | Thomas Thrainer | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1267 | 31b836b8 | Thomas Thrainer | dynamic=self._FIELDS_DYNAMIC,
|
1268 | 31b836b8 | Thomas Thrainer | selected=self.op.output_fields)
|
1269 | 31b836b8 | Thomas Thrainer | |
1270 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
1271 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
1272 | 31b836b8 | Thomas Thrainer | |
1273 | 31b836b8 | Thomas Thrainer | if self.op.nodes: |
1274 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1275 | 5eacbcae | Thomas Thrainer | locking.LEVEL_NODE: GetWantedNodes(self, self.op.nodes), |
1276 | 31b836b8 | Thomas Thrainer | } |
1277 | 31b836b8 | Thomas Thrainer | else:
|
1278 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1279 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: locking.ALL_SET, |
1280 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE_ALLOC: locking.ALL_SET, |
1281 | 31b836b8 | Thomas Thrainer | } |
1282 | 31b836b8 | Thomas Thrainer | |
1283 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1284 | 31b836b8 | Thomas Thrainer | """Computes the list of nodes and their attributes.
|
1285 | 31b836b8 | Thomas Thrainer |
|
1286 | 31b836b8 | Thomas Thrainer | """
|
1287 | 31b836b8 | Thomas Thrainer | nodenames = self.owned_locks(locking.LEVEL_NODE)
|
1288 | 31b836b8 | Thomas Thrainer | volumes = self.rpc.call_node_volumes(nodenames)
|
1289 | 31b836b8 | Thomas Thrainer | |
1290 | 31b836b8 | Thomas Thrainer | ilist = self.cfg.GetAllInstancesInfo()
|
1291 | 5eacbcae | Thomas Thrainer | vol2inst = MapInstanceDisksToNodes(ilist.values()) |
1292 | 31b836b8 | Thomas Thrainer | |
1293 | 31b836b8 | Thomas Thrainer | output = [] |
1294 | 31b836b8 | Thomas Thrainer | for node in nodenames: |
1295 | 31b836b8 | Thomas Thrainer | nresult = volumes[node] |
1296 | 31b836b8 | Thomas Thrainer | if nresult.offline:
|
1297 | 31b836b8 | Thomas Thrainer | continue
|
1298 | 31b836b8 | Thomas Thrainer | msg = nresult.fail_msg |
1299 | 31b836b8 | Thomas Thrainer | if msg:
|
1300 | 31b836b8 | Thomas Thrainer | self.LogWarning("Can't compute volume data on node %s: %s", node, msg) |
1301 | 31b836b8 | Thomas Thrainer | continue
|
1302 | 31b836b8 | Thomas Thrainer | |
1303 | 31b836b8 | Thomas Thrainer | node_vols = sorted(nresult.payload,
|
1304 | 31b836b8 | Thomas Thrainer | key=operator.itemgetter("dev"))
|
1305 | 31b836b8 | Thomas Thrainer | |
1306 | 31b836b8 | Thomas Thrainer | for vol in node_vols: |
1307 | 31b836b8 | Thomas Thrainer | node_output = [] |
1308 | 31b836b8 | Thomas Thrainer | for field in self.op.output_fields: |
1309 | 31b836b8 | Thomas Thrainer | if field == "node": |
1310 | 31b836b8 | Thomas Thrainer | val = node |
1311 | 31b836b8 | Thomas Thrainer | elif field == "phys": |
1312 | 31b836b8 | Thomas Thrainer | val = vol["dev"]
|
1313 | 31b836b8 | Thomas Thrainer | elif field == "vg": |
1314 | 31b836b8 | Thomas Thrainer | val = vol["vg"]
|
1315 | 31b836b8 | Thomas Thrainer | elif field == "name": |
1316 | 31b836b8 | Thomas Thrainer | val = vol["name"]
|
1317 | 31b836b8 | Thomas Thrainer | elif field == "size": |
1318 | 31b836b8 | Thomas Thrainer | val = int(float(vol["size"])) |
1319 | 31b836b8 | Thomas Thrainer | elif field == "instance": |
1320 | 31b836b8 | Thomas Thrainer | val = vol2inst.get((node, vol["vg"] + "/" + vol["name"]), "-") |
1321 | 31b836b8 | Thomas Thrainer | else:
|
1322 | 31b836b8 | Thomas Thrainer | raise errors.ParameterError(field)
|
1323 | 31b836b8 | Thomas Thrainer | node_output.append(str(val))
|
1324 | 31b836b8 | Thomas Thrainer | |
1325 | 31b836b8 | Thomas Thrainer | output.append(node_output) |
1326 | 31b836b8 | Thomas Thrainer | |
1327 | 31b836b8 | Thomas Thrainer | return output
|
1328 | 31b836b8 | Thomas Thrainer | |
1329 | 31b836b8 | Thomas Thrainer | |
1330 | 31b836b8 | Thomas Thrainer | class LUNodeQueryStorage(NoHooksLU): |
1331 | 31b836b8 | Thomas Thrainer | """Logical unit for getting information on storage units on node(s).
|
1332 | 31b836b8 | Thomas Thrainer |
|
1333 | 31b836b8 | Thomas Thrainer | """
|
1334 | 31b836b8 | Thomas Thrainer | _FIELDS_STATIC = utils.FieldSet(constants.SF_NODE) |
1335 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
1336 | 31b836b8 | Thomas Thrainer | |
1337 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
1338 | 31b836b8 | Thomas Thrainer | _CheckOutputFields(static=self._FIELDS_STATIC,
|
1339 | 31b836b8 | Thomas Thrainer | dynamic=utils.FieldSet(*constants.VALID_STORAGE_FIELDS), |
1340 | 31b836b8 | Thomas Thrainer | selected=self.op.output_fields)
|
1341 | 31b836b8 | Thomas Thrainer | |
1342 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
1343 | 5eacbcae | Thomas Thrainer | self.share_locks = ShareAll()
|
1344 | 31b836b8 | Thomas Thrainer | |
1345 | 31b836b8 | Thomas Thrainer | if self.op.nodes: |
1346 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1347 | 5eacbcae | Thomas Thrainer | locking.LEVEL_NODE: GetWantedNodes(self, self.op.nodes), |
1348 | 31b836b8 | Thomas Thrainer | } |
1349 | 31b836b8 | Thomas Thrainer | else:
|
1350 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1351 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: locking.ALL_SET, |
1352 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE_ALLOC: locking.ALL_SET, |
1353 | 31b836b8 | Thomas Thrainer | } |
1354 | 31b836b8 | Thomas Thrainer | |
1355 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1356 | 31b836b8 | Thomas Thrainer | """Computes the list of nodes and their attributes.
|
1357 | 31b836b8 | Thomas Thrainer |
|
1358 | 31b836b8 | Thomas Thrainer | """
|
1359 | 31b836b8 | Thomas Thrainer | self.nodes = self.owned_locks(locking.LEVEL_NODE) |
1360 | 31b836b8 | Thomas Thrainer | |
1361 | 31b836b8 | Thomas Thrainer | # Always get name to sort by
|
1362 | 31b836b8 | Thomas Thrainer | if constants.SF_NAME in self.op.output_fields: |
1363 | 31b836b8 | Thomas Thrainer | fields = self.op.output_fields[:]
|
1364 | 31b836b8 | Thomas Thrainer | else:
|
1365 | 31b836b8 | Thomas Thrainer | fields = [constants.SF_NAME] + self.op.output_fields
|
1366 | 31b836b8 | Thomas Thrainer | |
1367 | 31b836b8 | Thomas Thrainer | # Never ask for node or type as it's only known to the LU
|
1368 | 31b836b8 | Thomas Thrainer | for extra in [constants.SF_NODE, constants.SF_TYPE]: |
1369 | 31b836b8 | Thomas Thrainer | while extra in fields: |
1370 | 31b836b8 | Thomas Thrainer | fields.remove(extra) |
1371 | 31b836b8 | Thomas Thrainer | |
1372 | 31b836b8 | Thomas Thrainer | field_idx = dict([(name, idx) for (idx, name) in enumerate(fields)]) |
1373 | 31b836b8 | Thomas Thrainer | name_idx = field_idx[constants.SF_NAME] |
1374 | 31b836b8 | Thomas Thrainer | |
1375 | 31b836b8 | Thomas Thrainer | st_args = _GetStorageTypeArgs(self.cfg, self.op.storage_type) |
1376 | 31b836b8 | Thomas Thrainer | data = self.rpc.call_storage_list(self.nodes, |
1377 | 31b836b8 | Thomas Thrainer | self.op.storage_type, st_args,
|
1378 | 31b836b8 | Thomas Thrainer | self.op.name, fields)
|
1379 | 31b836b8 | Thomas Thrainer | |
1380 | 31b836b8 | Thomas Thrainer | result = [] |
1381 | 31b836b8 | Thomas Thrainer | |
1382 | 31b836b8 | Thomas Thrainer | for node in utils.NiceSort(self.nodes): |
1383 | 31b836b8 | Thomas Thrainer | nresult = data[node] |
1384 | 31b836b8 | Thomas Thrainer | if nresult.offline:
|
1385 | 31b836b8 | Thomas Thrainer | continue
|
1386 | 31b836b8 | Thomas Thrainer | |
1387 | 31b836b8 | Thomas Thrainer | msg = nresult.fail_msg |
1388 | 31b836b8 | Thomas Thrainer | if msg:
|
1389 | 31b836b8 | Thomas Thrainer | self.LogWarning("Can't get storage data from node %s: %s", node, msg) |
1390 | 31b836b8 | Thomas Thrainer | continue
|
1391 | 31b836b8 | Thomas Thrainer | |
1392 | 31b836b8 | Thomas Thrainer | rows = dict([(row[name_idx], row) for row in nresult.payload]) |
1393 | 31b836b8 | Thomas Thrainer | |
1394 | 31b836b8 | Thomas Thrainer | for name in utils.NiceSort(rows.keys()): |
1395 | 31b836b8 | Thomas Thrainer | row = rows[name] |
1396 | 31b836b8 | Thomas Thrainer | |
1397 | 31b836b8 | Thomas Thrainer | out = [] |
1398 | 31b836b8 | Thomas Thrainer | |
1399 | 31b836b8 | Thomas Thrainer | for field in self.op.output_fields: |
1400 | 31b836b8 | Thomas Thrainer | if field == constants.SF_NODE:
|
1401 | 31b836b8 | Thomas Thrainer | val = node |
1402 | 31b836b8 | Thomas Thrainer | elif field == constants.SF_TYPE:
|
1403 | 31b836b8 | Thomas Thrainer | val = self.op.storage_type
|
1404 | 31b836b8 | Thomas Thrainer | elif field in field_idx: |
1405 | 31b836b8 | Thomas Thrainer | val = row[field_idx[field]] |
1406 | 31b836b8 | Thomas Thrainer | else:
|
1407 | 31b836b8 | Thomas Thrainer | raise errors.ParameterError(field)
|
1408 | 31b836b8 | Thomas Thrainer | |
1409 | 31b836b8 | Thomas Thrainer | out.append(val) |
1410 | 31b836b8 | Thomas Thrainer | |
1411 | 31b836b8 | Thomas Thrainer | result.append(out) |
1412 | 31b836b8 | Thomas Thrainer | |
1413 | 31b836b8 | Thomas Thrainer | return result
|
1414 | 31b836b8 | Thomas Thrainer | |
1415 | 31b836b8 | Thomas Thrainer | |
1416 | 31b836b8 | Thomas Thrainer | class LUNodeRemove(LogicalUnit): |
1417 | 31b836b8 | Thomas Thrainer | """Logical unit for removing a node.
|
1418 | 31b836b8 | Thomas Thrainer |
|
1419 | 31b836b8 | Thomas Thrainer | """
|
1420 | 31b836b8 | Thomas Thrainer | HPATH = "node-remove"
|
1421 | 31b836b8 | Thomas Thrainer | HTYPE = constants.HTYPE_NODE |
1422 | 31b836b8 | Thomas Thrainer | |
1423 | 31b836b8 | Thomas Thrainer | def BuildHooksEnv(self): |
1424 | 31b836b8 | Thomas Thrainer | """Build hooks env.
|
1425 | 31b836b8 | Thomas Thrainer |
|
1426 | 31b836b8 | Thomas Thrainer | """
|
1427 | 31b836b8 | Thomas Thrainer | return {
|
1428 | 31b836b8 | Thomas Thrainer | "OP_TARGET": self.op.node_name, |
1429 | 31b836b8 | Thomas Thrainer | "NODE_NAME": self.op.node_name, |
1430 | 31b836b8 | Thomas Thrainer | } |
1431 | 31b836b8 | Thomas Thrainer | |
1432 | 31b836b8 | Thomas Thrainer | def BuildHooksNodes(self): |
1433 | 31b836b8 | Thomas Thrainer | """Build hooks nodes.
|
1434 | 31b836b8 | Thomas Thrainer |
|
1435 | 31b836b8 | Thomas Thrainer | This doesn't run on the target node in the pre phase as a failed
|
1436 | 31b836b8 | Thomas Thrainer | node would then be impossible to remove.
|
1437 | 31b836b8 | Thomas Thrainer |
|
1438 | 31b836b8 | Thomas Thrainer | """
|
1439 | 31b836b8 | Thomas Thrainer | all_nodes = self.cfg.GetNodeList()
|
1440 | 31b836b8 | Thomas Thrainer | try:
|
1441 | 31b836b8 | Thomas Thrainer | all_nodes.remove(self.op.node_name)
|
1442 | 31b836b8 | Thomas Thrainer | except ValueError: |
1443 | 31b836b8 | Thomas Thrainer | pass
|
1444 | 31b836b8 | Thomas Thrainer | return (all_nodes, all_nodes)
|
1445 | 31b836b8 | Thomas Thrainer | |
1446 | 31b836b8 | Thomas Thrainer | def CheckPrereq(self): |
1447 | 31b836b8 | Thomas Thrainer | """Check prerequisites.
|
1448 | 31b836b8 | Thomas Thrainer |
|
1449 | 31b836b8 | Thomas Thrainer | This checks:
|
1450 | 31b836b8 | Thomas Thrainer | - the node exists in the configuration
|
1451 | 31b836b8 | Thomas Thrainer | - it does not have primary or secondary instances
|
1452 | 31b836b8 | Thomas Thrainer | - it's not the master
|
1453 | 31b836b8 | Thomas Thrainer |
|
1454 | 31b836b8 | Thomas Thrainer | Any errors are signaled by raising errors.OpPrereqError.
|
1455 | 31b836b8 | Thomas Thrainer |
|
1456 | 31b836b8 | Thomas Thrainer | """
|
1457 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
1458 | 31b836b8 | Thomas Thrainer | node = self.cfg.GetNodeInfo(self.op.node_name) |
1459 | 31b836b8 | Thomas Thrainer | assert node is not None |
1460 | 31b836b8 | Thomas Thrainer | |
1461 | 31b836b8 | Thomas Thrainer | masternode = self.cfg.GetMasterNode()
|
1462 | 31b836b8 | Thomas Thrainer | if node.name == masternode:
|
1463 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Node is the master node, failover to another" |
1464 | 31b836b8 | Thomas Thrainer | " node is required", errors.ECODE_INVAL)
|
1465 | 31b836b8 | Thomas Thrainer | |
1466 | 31b836b8 | Thomas Thrainer | for instance_name, instance in self.cfg.GetAllInstancesInfo().items(): |
1467 | 31b836b8 | Thomas Thrainer | if node.name in instance.all_nodes: |
1468 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Instance %s is still running on the node," |
1469 | 31b836b8 | Thomas Thrainer | " please remove first" % instance_name,
|
1470 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
1471 | 31b836b8 | Thomas Thrainer | self.op.node_name = node.name
|
1472 | 31b836b8 | Thomas Thrainer | self.node = node
|
1473 | 31b836b8 | Thomas Thrainer | |
1474 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1475 | 31b836b8 | Thomas Thrainer | """Removes the node from the cluster.
|
1476 | 31b836b8 | Thomas Thrainer |
|
1477 | 31b836b8 | Thomas Thrainer | """
|
1478 | 31b836b8 | Thomas Thrainer | node = self.node
|
1479 | 31b836b8 | Thomas Thrainer | logging.info("Stopping the node daemon and removing configs from node %s",
|
1480 | 31b836b8 | Thomas Thrainer | node.name) |
1481 | 31b836b8 | Thomas Thrainer | |
1482 | 31b836b8 | Thomas Thrainer | modify_ssh_setup = self.cfg.GetClusterInfo().modify_ssh_setup
|
1483 | 31b836b8 | Thomas Thrainer | |
1484 | 31b836b8 | Thomas Thrainer | assert locking.BGL in self.owned_locks(locking.LEVEL_CLUSTER), \ |
1485 | 31b836b8 | Thomas Thrainer | "Not owning BGL"
|
1486 | 31b836b8 | Thomas Thrainer | |
1487 | 31b836b8 | Thomas Thrainer | # Promote nodes to master candidate as needed
|
1488 | 5eacbcae | Thomas Thrainer | AdjustCandidatePool(self, exceptions=[node.name])
|
1489 | 31b836b8 | Thomas Thrainer | self.context.RemoveNode(node.name)
|
1490 | 31b836b8 | Thomas Thrainer | |
1491 | 31b836b8 | Thomas Thrainer | # Run post hooks on the node before it's removed
|
1492 | 5eacbcae | Thomas Thrainer | RunPostHook(self, node.name)
|
1493 | 31b836b8 | Thomas Thrainer | |
1494 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_node_leave_cluster(node.name, modify_ssh_setup)
|
1495 | 31b836b8 | Thomas Thrainer | msg = result.fail_msg |
1496 | 31b836b8 | Thomas Thrainer | if msg:
|
1497 | 31b836b8 | Thomas Thrainer | self.LogWarning("Errors encountered on the remote node while leaving" |
1498 | 31b836b8 | Thomas Thrainer | " the cluster: %s", msg)
|
1499 | 31b836b8 | Thomas Thrainer | |
1500 | 31b836b8 | Thomas Thrainer | # Remove node from our /etc/hosts
|
1501 | 31b836b8 | Thomas Thrainer | if self.cfg.GetClusterInfo().modify_etc_hosts: |
1502 | 31b836b8 | Thomas Thrainer | master_node = self.cfg.GetMasterNode()
|
1503 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_etc_hosts_modify(master_node,
|
1504 | 31b836b8 | Thomas Thrainer | constants.ETC_HOSTS_REMOVE, |
1505 | 31b836b8 | Thomas Thrainer | node.name, None)
|
1506 | 31b836b8 | Thomas Thrainer | result.Raise("Can't update hosts file with new host data")
|
1507 | 5eacbcae | Thomas Thrainer | RedistributeAncillaryFiles(self)
|
1508 | 31b836b8 | Thomas Thrainer | |
1509 | 31b836b8 | Thomas Thrainer | |
1510 | 31b836b8 | Thomas Thrainer | class LURepairNodeStorage(NoHooksLU): |
1511 | 31b836b8 | Thomas Thrainer | """Repairs the volume group on a node.
|
1512 | 31b836b8 | Thomas Thrainer |
|
1513 | 31b836b8 | Thomas Thrainer | """
|
1514 | 31b836b8 | Thomas Thrainer | REQ_BGL = False
|
1515 | 31b836b8 | Thomas Thrainer | |
1516 | 31b836b8 | Thomas Thrainer | def CheckArguments(self): |
1517 | 5eacbcae | Thomas Thrainer | self.op.node_name = ExpandNodeName(self.cfg, self.op.node_name) |
1518 | 31b836b8 | Thomas Thrainer | |
1519 | 31b836b8 | Thomas Thrainer | storage_type = self.op.storage_type
|
1520 | 31b836b8 | Thomas Thrainer | |
1521 | 31b836b8 | Thomas Thrainer | if (constants.SO_FIX_CONSISTENCY not in |
1522 | 31b836b8 | Thomas Thrainer | constants.VALID_STORAGE_OPERATIONS.get(storage_type, [])): |
1523 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Storage units of type '%s' can not be" |
1524 | 31b836b8 | Thomas Thrainer | " repaired" % storage_type,
|
1525 | 31b836b8 | Thomas Thrainer | errors.ECODE_INVAL) |
1526 | 31b836b8 | Thomas Thrainer | |
1527 | 31b836b8 | Thomas Thrainer | def ExpandNames(self): |
1528 | 31b836b8 | Thomas Thrainer | self.needed_locks = {
|
1529 | 31b836b8 | Thomas Thrainer | locking.LEVEL_NODE: [self.op.node_name],
|
1530 | 31b836b8 | Thomas Thrainer | } |
1531 | 31b836b8 | Thomas Thrainer | |
1532 | 31b836b8 | Thomas Thrainer | def _CheckFaultyDisks(self, instance, node_name): |
1533 | 31b836b8 | Thomas Thrainer | """Ensure faulty disks abort the opcode or at least warn."""
|
1534 | 31b836b8 | Thomas Thrainer | try:
|
1535 | 5eacbcae | Thomas Thrainer | if FindFaultyInstanceDisks(self.cfg, self.rpc, instance, |
1536 | 5eacbcae | Thomas Thrainer | node_name, True):
|
1537 | 31b836b8 | Thomas Thrainer | raise errors.OpPrereqError("Instance '%s' has faulty disks on" |
1538 | 31b836b8 | Thomas Thrainer | " node '%s'" % (instance.name, node_name),
|
1539 | 31b836b8 | Thomas Thrainer | errors.ECODE_STATE) |
1540 | 31b836b8 | Thomas Thrainer | except errors.OpPrereqError, err:
|
1541 | 31b836b8 | Thomas Thrainer | if self.op.ignore_consistency: |
1542 | 31b836b8 | Thomas Thrainer | self.LogWarning(str(err.args[0])) |
1543 | 31b836b8 | Thomas Thrainer | else:
|
1544 | 31b836b8 | Thomas Thrainer | raise
|
1545 | 31b836b8 | Thomas Thrainer | |
1546 | 31b836b8 | Thomas Thrainer | def CheckPrereq(self): |
1547 | 31b836b8 | Thomas Thrainer | """Check prerequisites.
|
1548 | 31b836b8 | Thomas Thrainer |
|
1549 | 31b836b8 | Thomas Thrainer | """
|
1550 | 31b836b8 | Thomas Thrainer | # Check whether any instance on this node has faulty disks
|
1551 | 31b836b8 | Thomas Thrainer | for inst in _GetNodeInstances(self.cfg, self.op.node_name): |
1552 | 1d4a4b26 | Thomas Thrainer | if not inst.disks_active: |
1553 | 31b836b8 | Thomas Thrainer | continue
|
1554 | 31b836b8 | Thomas Thrainer | check_nodes = set(inst.all_nodes)
|
1555 | 31b836b8 | Thomas Thrainer | check_nodes.discard(self.op.node_name)
|
1556 | 31b836b8 | Thomas Thrainer | for inst_node_name in check_nodes: |
1557 | 31b836b8 | Thomas Thrainer | self._CheckFaultyDisks(inst, inst_node_name)
|
1558 | 31b836b8 | Thomas Thrainer | |
1559 | 31b836b8 | Thomas Thrainer | def Exec(self, feedback_fn): |
1560 | 31b836b8 | Thomas Thrainer | feedback_fn("Repairing storage unit '%s' on %s ..." %
|
1561 | 31b836b8 | Thomas Thrainer | (self.op.name, self.op.node_name)) |
1562 | 31b836b8 | Thomas Thrainer | |
1563 | 31b836b8 | Thomas Thrainer | st_args = _GetStorageTypeArgs(self.cfg, self.op.storage_type) |
1564 | 31b836b8 | Thomas Thrainer | result = self.rpc.call_storage_execute(self.op.node_name, |
1565 | 31b836b8 | Thomas Thrainer | self.op.storage_type, st_args,
|
1566 | 31b836b8 | Thomas Thrainer | self.op.name,
|
1567 | 31b836b8 | Thomas Thrainer | constants.SO_FIX_CONSISTENCY) |
1568 | 31b836b8 | Thomas Thrainer | result.Raise("Failed to repair storage unit '%s' on %s" %
|
1569 | 31b836b8 | Thomas Thrainer | (self.op.name, self.op.node_name)) |