root / lib / config.py @ ea0f78c8
History | View | Annotate | Download (74.5 kB)
1 | 2f31098c | Iustin Pop | #
|
---|---|---|---|
2 | a8083063 | Iustin Pop | #
|
3 | a8083063 | Iustin Pop | |
4 | 12378fe3 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
|
5 | a8083063 | Iustin Pop | #
|
6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
|
7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
|
8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
|
9 | a8083063 | Iustin Pop | # (at your option) any later version.
|
10 | a8083063 | Iustin Pop | #
|
11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
|
12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | a8083063 | Iustin Pop | # General Public License for more details.
|
15 | a8083063 | Iustin Pop | #
|
16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
|
17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
|
18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 | a8083063 | Iustin Pop | # 02110-1301, USA.
|
20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | a8083063 | Iustin Pop | """Configuration management for Ganeti
|
23 | a8083063 | Iustin Pop |
|
24 | 319856a9 | Michael Hanselmann | This module provides the interface to the Ganeti cluster configuration.
|
25 | a8083063 | Iustin Pop |
|
26 | 319856a9 | Michael Hanselmann | The configuration data is stored on every node but is updated on the master
|
27 | 319856a9 | Michael Hanselmann | only. After each update, the master distributes the data to the other nodes.
|
28 | a8083063 | Iustin Pop |
|
29 | 319856a9 | Michael Hanselmann | Currently, the data storage format is JSON. YAML was slow and consuming too
|
30 | 319856a9 | Michael Hanselmann | much memory.
|
31 | a8083063 | Iustin Pop |
|
32 | a8083063 | Iustin Pop | """
|
33 | a8083063 | Iustin Pop | |
34 | b459a848 | Andrea Spadaccini | # pylint: disable=R0904
|
35 | d367b66c | Manuel Franceschini | # R0904: Too many public methods
|
36 | d367b66c | Manuel Franceschini | |
37 | a8083063 | Iustin Pop | import os |
38 | a8083063 | Iustin Pop | import random |
39 | d8470559 | Michael Hanselmann | import logging |
40 | d693c864 | Iustin Pop | import time |
41 | 54c31fd3 | Michael Hanselmann | import itertools |
42 | a8083063 | Iustin Pop | |
43 | a8083063 | Iustin Pop | from ganeti import errors |
44 | f78ede4e | Guido Trotter | from ganeti import locking |
45 | a8083063 | Iustin Pop | from ganeti import utils |
46 | a8083063 | Iustin Pop | from ganeti import constants |
47 | a8083063 | Iustin Pop | from ganeti import rpc |
48 | a8083063 | Iustin Pop | from ganeti import objects |
49 | 8d14b30d | Iustin Pop | from ganeti import serializer |
50 | 0fbae49a | Balazs Lecz | from ganeti import uidpool |
51 | a744b676 | Manuel Franceschini | from ganeti import netutils |
52 | e60c73a1 | René Nussbaumer | from ganeti import runtime |
53 | 243cdbcc | Michael Hanselmann | |
54 | 243cdbcc | Michael Hanselmann | |
55 | 7f93570a | Iustin Pop | _config_lock = locking.SharedLock("ConfigWriter")
|
56 | f78ede4e | Guido Trotter | |
57 | 4fae38c5 | Guido Trotter | # job id used for resource management at config upgrade time
|
58 | 8d9c3bef | Michael Hanselmann | _UPGRADE_CONFIG_JID = "jid-cfg-upgrade"
|
59 | 4fae38c5 | Guido Trotter | |
60 | f78ede4e | Guido Trotter | |
61 | 5b263ed7 | Michael Hanselmann | def _ValidateConfig(data): |
62 | c41eea6e | Iustin Pop | """Verifies that a configuration objects looks valid.
|
63 | c41eea6e | Iustin Pop |
|
64 | c41eea6e | Iustin Pop | This only verifies the version of the configuration.
|
65 | c41eea6e | Iustin Pop |
|
66 | c41eea6e | Iustin Pop | @raise errors.ConfigurationError: if the version differs from what
|
67 | c41eea6e | Iustin Pop | we expect
|
68 | c41eea6e | Iustin Pop |
|
69 | c41eea6e | Iustin Pop | """
|
70 | 5b263ed7 | Michael Hanselmann | if data.version != constants.CONFIG_VERSION:
|
71 | 4b63dc7a | Iustin Pop | raise errors.ConfigVersionMismatch(constants.CONFIG_VERSION, data.version)
|
72 | a8083063 | Iustin Pop | |
73 | 319856a9 | Michael Hanselmann | |
74 | 013da361 | Guido Trotter | class TemporaryReservationManager: |
75 | 013da361 | Guido Trotter | """A temporary resource reservation manager.
|
76 | 013da361 | Guido Trotter |
|
77 | 013da361 | Guido Trotter | This is used to reserve resources in a job, before using them, making sure
|
78 | 013da361 | Guido Trotter | other jobs cannot get them in the meantime.
|
79 | 013da361 | Guido Trotter |
|
80 | 013da361 | Guido Trotter | """
|
81 | 013da361 | Guido Trotter | def __init__(self): |
82 | 013da361 | Guido Trotter | self._ec_reserved = {}
|
83 | 013da361 | Guido Trotter | |
84 | 013da361 | Guido Trotter | def Reserved(self, resource): |
85 | a7359d91 | David Knowles | for holder_reserved in self._ec_reserved.values(): |
86 | 013da361 | Guido Trotter | if resource in holder_reserved: |
87 | 013da361 | Guido Trotter | return True |
88 | 013da361 | Guido Trotter | return False |
89 | 013da361 | Guido Trotter | |
90 | 013da361 | Guido Trotter | def Reserve(self, ec_id, resource): |
91 | 013da361 | Guido Trotter | if self.Reserved(resource): |
92 | 28a7318f | Iustin Pop | raise errors.ReservationError("Duplicate reservation for resource '%s'" |
93 | 28a7318f | Iustin Pop | % str(resource))
|
94 | 013da361 | Guido Trotter | if ec_id not in self._ec_reserved: |
95 | 013da361 | Guido Trotter | self._ec_reserved[ec_id] = set([resource]) |
96 | 013da361 | Guido Trotter | else:
|
97 | 013da361 | Guido Trotter | self._ec_reserved[ec_id].add(resource)
|
98 | 013da361 | Guido Trotter | |
99 | 013da361 | Guido Trotter | def DropECReservations(self, ec_id): |
100 | 013da361 | Guido Trotter | if ec_id in self._ec_reserved: |
101 | 013da361 | Guido Trotter | del self._ec_reserved[ec_id] |
102 | 013da361 | Guido Trotter | |
103 | 013da361 | Guido Trotter | def GetReserved(self): |
104 | 013da361 | Guido Trotter | all_reserved = set()
|
105 | 013da361 | Guido Trotter | for holder_reserved in self._ec_reserved.values(): |
106 | 013da361 | Guido Trotter | all_reserved.update(holder_reserved) |
107 | 013da361 | Guido Trotter | return all_reserved
|
108 | 013da361 | Guido Trotter | |
109 | 013da361 | Guido Trotter | def Generate(self, existing, generate_one_fn, ec_id): |
110 | 013da361 | Guido Trotter | """Generate a new resource of this type
|
111 | 013da361 | Guido Trotter |
|
112 | 013da361 | Guido Trotter | """
|
113 | 013da361 | Guido Trotter | assert callable(generate_one_fn) |
114 | 013da361 | Guido Trotter | |
115 | 013da361 | Guido Trotter | all_elems = self.GetReserved()
|
116 | 013da361 | Guido Trotter | all_elems.update(existing) |
117 | 013da361 | Guido Trotter | retries = 64
|
118 | 013da361 | Guido Trotter | while retries > 0: |
119 | 013da361 | Guido Trotter | new_resource = generate_one_fn() |
120 | 013da361 | Guido Trotter | if new_resource is not None and new_resource not in all_elems: |
121 | 013da361 | Guido Trotter | break
|
122 | 013da361 | Guido Trotter | else:
|
123 | 013da361 | Guido Trotter | raise errors.ConfigurationError("Not able generate new resource" |
124 | 013da361 | Guido Trotter | " (last tried: %s)" % new_resource)
|
125 | 013da361 | Guido Trotter | self.Reserve(ec_id, new_resource)
|
126 | 013da361 | Guido Trotter | return new_resource
|
127 | 013da361 | Guido Trotter | |
128 | 013da361 | Guido Trotter | |
129 | fe698b38 | Michael Hanselmann | def _MatchNameComponentIgnoreCase(short_name, names): |
130 | 3a93eebb | Michael Hanselmann | """Wrapper around L{utils.text.MatchNameComponent}.
|
131 | fe698b38 | Michael Hanselmann |
|
132 | fe698b38 | Michael Hanselmann | """
|
133 | fe698b38 | Michael Hanselmann | return utils.MatchNameComponent(short_name, names, case_sensitive=False) |
134 | fe698b38 | Michael Hanselmann | |
135 | fe698b38 | Michael Hanselmann | |
136 | 82c54b5b | Michael Hanselmann | def _CheckInstanceDiskIvNames(disks): |
137 | 82c54b5b | Michael Hanselmann | """Checks if instance's disks' C{iv_name} attributes are in order.
|
138 | 82c54b5b | Michael Hanselmann |
|
139 | 82c54b5b | Michael Hanselmann | @type disks: list of L{objects.Disk}
|
140 | 82c54b5b | Michael Hanselmann | @param disks: List of disks
|
141 | 82c54b5b | Michael Hanselmann | @rtype: list of tuples; (int, string, string)
|
142 | 82c54b5b | Michael Hanselmann | @return: List of wrongly named disks, each tuple contains disk index,
|
143 | 82c54b5b | Michael Hanselmann | expected and actual name
|
144 | 82c54b5b | Michael Hanselmann |
|
145 | 82c54b5b | Michael Hanselmann | """
|
146 | 82c54b5b | Michael Hanselmann | result = [] |
147 | 82c54b5b | Michael Hanselmann | |
148 | 82c54b5b | Michael Hanselmann | for (idx, disk) in enumerate(disks): |
149 | 82c54b5b | Michael Hanselmann | exp_iv_name = "disk/%s" % idx
|
150 | 82c54b5b | Michael Hanselmann | if disk.iv_name != exp_iv_name:
|
151 | 82c54b5b | Michael Hanselmann | result.append((idx, exp_iv_name, disk.iv_name)) |
152 | 82c54b5b | Michael Hanselmann | |
153 | 82c54b5b | Michael Hanselmann | return result
|
154 | 82c54b5b | Michael Hanselmann | |
155 | 82c54b5b | Michael Hanselmann | |
156 | a8083063 | Iustin Pop | class ConfigWriter: |
157 | 098c0958 | Michael Hanselmann | """The interface to the cluster configuration.
|
158 | a8083063 | Iustin Pop |
|
159 | d8aee57e | Iustin Pop | @ivar _temporary_lvs: reservation manager for temporary LVs
|
160 | d8aee57e | Iustin Pop | @ivar _all_rms: a list of all temporary reservation managers
|
161 | d8aee57e | Iustin Pop |
|
162 | 098c0958 | Michael Hanselmann | """
|
163 | eb180fe2 | Iustin Pop | def __init__(self, cfg_file=None, offline=False, _getents=runtime.GetEnts, |
164 | eb180fe2 | Iustin Pop | accept_foreign=False):
|
165 | 14e15659 | Iustin Pop | self.write_count = 0 |
166 | f78ede4e | Guido Trotter | self._lock = _config_lock
|
167 | a8083063 | Iustin Pop | self._config_data = None |
168 | a8083063 | Iustin Pop | self._offline = offline
|
169 | a8083063 | Iustin Pop | if cfg_file is None: |
170 | a8083063 | Iustin Pop | self._cfg_file = constants.CLUSTER_CONF_FILE
|
171 | a8083063 | Iustin Pop | else:
|
172 | a8083063 | Iustin Pop | self._cfg_file = cfg_file
|
173 | e60c73a1 | René Nussbaumer | self._getents = _getents
|
174 | 4fae38c5 | Guido Trotter | self._temporary_ids = TemporaryReservationManager()
|
175 | a81c53c9 | Iustin Pop | self._temporary_drbds = {}
|
176 | 36b66e6e | Guido Trotter | self._temporary_macs = TemporaryReservationManager()
|
177 | afa1386e | Guido Trotter | self._temporary_secrets = TemporaryReservationManager()
|
178 | d8aee57e | Iustin Pop | self._temporary_lvs = TemporaryReservationManager()
|
179 | d8aee57e | Iustin Pop | self._all_rms = [self._temporary_ids, self._temporary_macs, |
180 | d8aee57e | Iustin Pop | self._temporary_secrets, self._temporary_lvs] |
181 | 89e1fc26 | Iustin Pop | # Note: in order to prevent errors when resolving our name in
|
182 | 89e1fc26 | Iustin Pop | # _DistributeConfig, we compute it here once and reuse it; it's
|
183 | 89e1fc26 | Iustin Pop | # better to raise an error before starting to modify the config
|
184 | 89e1fc26 | Iustin Pop | # file than after it was modified
|
185 | b705c7a6 | Manuel Franceschini | self._my_hostname = netutils.Hostname.GetSysName()
|
186 | 3c7f6c44 | Iustin Pop | self._last_cluster_serial = -1 |
187 | bd407597 | Iustin Pop | self._cfg_id = None |
188 | b2acdbdc | Michael Hanselmann | self._context = None |
189 | eb180fe2 | Iustin Pop | self._OpenConfig(accept_foreign)
|
190 | a8083063 | Iustin Pop | |
191 | b2acdbdc | Michael Hanselmann | def _GetRpc(self, address_list): |
192 | b2acdbdc | Michael Hanselmann | """Returns RPC runner for configuration.
|
193 | b2acdbdc | Michael Hanselmann |
|
194 | b2acdbdc | Michael Hanselmann | """
|
195 | b2acdbdc | Michael Hanselmann | return rpc.ConfigRunner(self._context, address_list) |
196 | b2acdbdc | Michael Hanselmann | |
197 | b2acdbdc | Michael Hanselmann | def SetContext(self, context): |
198 | b2acdbdc | Michael Hanselmann | """Sets Ganeti context.
|
199 | b2acdbdc | Michael Hanselmann |
|
200 | b2acdbdc | Michael Hanselmann | """
|
201 | b2acdbdc | Michael Hanselmann | self._context = context
|
202 | b2acdbdc | Michael Hanselmann | |
203 | a8083063 | Iustin Pop | # this method needs to be static, so that we can call it on the class
|
204 | a8083063 | Iustin Pop | @staticmethod
|
205 | a8083063 | Iustin Pop | def IsCluster(): |
206 | a8083063 | Iustin Pop | """Check if the cluster is configured.
|
207 | a8083063 | Iustin Pop |
|
208 | a8083063 | Iustin Pop | """
|
209 | a8083063 | Iustin Pop | return os.path.exists(constants.CLUSTER_CONF_FILE)
|
210 | a8083063 | Iustin Pop | |
211 | 36b66e6e | Guido Trotter | def _GenerateOneMAC(self): |
212 | 36b66e6e | Guido Trotter | """Generate one mac address
|
213 | 36b66e6e | Guido Trotter |
|
214 | 36b66e6e | Guido Trotter | """
|
215 | 36b66e6e | Guido Trotter | prefix = self._config_data.cluster.mac_prefix
|
216 | 36b66e6e | Guido Trotter | byte1 = random.randrange(0, 256) |
217 | 36b66e6e | Guido Trotter | byte2 = random.randrange(0, 256) |
218 | 36b66e6e | Guido Trotter | byte3 = random.randrange(0, 256) |
219 | 36b66e6e | Guido Trotter | mac = "%s:%02x:%02x:%02x" % (prefix, byte1, byte2, byte3)
|
220 | 36b66e6e | Guido Trotter | return mac
|
221 | 36b66e6e | Guido Trotter | |
222 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
223 | 5768e6a6 | René Nussbaumer | def GetNdParams(self, node): |
224 | 5768e6a6 | René Nussbaumer | """Get the node params populated with cluster defaults.
|
225 | 5768e6a6 | René Nussbaumer |
|
226 | ce523de1 | Michael Hanselmann | @type node: L{objects.Node}
|
227 | 5768e6a6 | René Nussbaumer | @param node: The node we want to know the params for
|
228 | 5768e6a6 | René Nussbaumer | @return: A dict with the filled in node params
|
229 | 5768e6a6 | René Nussbaumer |
|
230 | 5768e6a6 | René Nussbaumer | """
|
231 | 5768e6a6 | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
|
232 | 5768e6a6 | René Nussbaumer | return self._config_data.cluster.FillND(node, nodegroup) |
233 | 5768e6a6 | René Nussbaumer | |
234 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
235 | 8a147bba | René Nussbaumer | def GetInstanceDiskParams(self, instance): |
236 | 8a147bba | René Nussbaumer | """Get the disk params populated with inherit chain.
|
237 | 8a147bba | René Nussbaumer |
|
238 | 8a147bba | René Nussbaumer | @type instance: L{objects.Instance}
|
239 | 8a147bba | René Nussbaumer | @param instance: The instance we want to know the params for
|
240 | 8a147bba | René Nussbaumer | @return: A dict with the filled in disk params
|
241 | 8a147bba | René Nussbaumer |
|
242 | 8a147bba | René Nussbaumer | """
|
243 | 8a147bba | René Nussbaumer | node = self._UnlockedGetNodeInfo(instance.primary_node)
|
244 | 8a147bba | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
|
245 | 99ccf8b9 | René Nussbaumer | return self._UnlockedGetGroupDiskParams(nodegroup) |
246 | 99ccf8b9 | René Nussbaumer | |
247 | 99ccf8b9 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
248 | 99ccf8b9 | René Nussbaumer | def GetGroupDiskParams(self, group): |
249 | 99ccf8b9 | René Nussbaumer | """Get the disk params populated with inherit chain.
|
250 | 99ccf8b9 | René Nussbaumer |
|
251 | af9fb4cc | René Nussbaumer | @type group: L{objects.NodeGroup}
|
252 | 99ccf8b9 | René Nussbaumer | @param group: The group we want to know the params for
|
253 | 99ccf8b9 | René Nussbaumer | @return: A dict with the filled in disk params
|
254 | 99ccf8b9 | René Nussbaumer |
|
255 | 99ccf8b9 | René Nussbaumer | """
|
256 | 99ccf8b9 | René Nussbaumer | return self._UnlockedGetGroupDiskParams(group) |
257 | 99ccf8b9 | René Nussbaumer | |
258 | 99ccf8b9 | René Nussbaumer | def _UnlockedGetGroupDiskParams(self, group): |
259 | 99ccf8b9 | René Nussbaumer | """Get the disk params populated with inherit chain down to node-group.
|
260 | 99ccf8b9 | René Nussbaumer |
|
261 | af9fb4cc | René Nussbaumer | @type group: L{objects.NodeGroup}
|
262 | 99ccf8b9 | René Nussbaumer | @param group: The group we want to know the params for
|
263 | 99ccf8b9 | René Nussbaumer | @return: A dict with the filled in disk params
|
264 | 99ccf8b9 | René Nussbaumer |
|
265 | 99ccf8b9 | René Nussbaumer | """
|
266 | 99ccf8b9 | René Nussbaumer | return self._config_data.cluster.SimpleFillDP(group.diskparams) |
267 | 8a147bba | René Nussbaumer | |
268 | 8a147bba | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
269 | 36b66e6e | Guido Trotter | def GenerateMAC(self, ec_id): |
270 | a8083063 | Iustin Pop | """Generate a MAC for an instance.
|
271 | a8083063 | Iustin Pop |
|
272 | a8083063 | Iustin Pop | This should check the current instances for duplicates.
|
273 | a8083063 | Iustin Pop |
|
274 | a8083063 | Iustin Pop | """
|
275 | 36b66e6e | Guido Trotter | existing = self._AllMACs()
|
276 | 36b66e6e | Guido Trotter | return self._temporary_ids.Generate(existing, self._GenerateOneMAC, ec_id) |
277 | a8083063 | Iustin Pop | |
278 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
279 | 36b66e6e | Guido Trotter | def ReserveMAC(self, mac, ec_id): |
280 | 36b66e6e | Guido Trotter | """Reserve a MAC for an instance.
|
281 | 1862d460 | Alexander Schreiber |
|
282 | 1862d460 | Alexander Schreiber | This only checks instances managed by this cluster, it does not
|
283 | 1862d460 | Alexander Schreiber | check for potential collisions elsewhere.
|
284 | 1862d460 | Alexander Schreiber |
|
285 | 1862d460 | Alexander Schreiber | """
|
286 | 1862d460 | Alexander Schreiber | all_macs = self._AllMACs()
|
287 | 36b66e6e | Guido Trotter | if mac in all_macs: |
288 | 36b66e6e | Guido Trotter | raise errors.ReservationError("mac already in use") |
289 | 36b66e6e | Guido Trotter | else:
|
290 | 8785b71b | Apollon Oikonomopoulos | self._temporary_macs.Reserve(ec_id, mac)
|
291 | 1862d460 | Alexander Schreiber | |
292 | f9518d38 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
293 | d8aee57e | Iustin Pop | def ReserveLV(self, lv_name, ec_id): |
294 | d8aee57e | Iustin Pop | """Reserve an VG/LV pair for an instance.
|
295 | d8aee57e | Iustin Pop |
|
296 | d8aee57e | Iustin Pop | @type lv_name: string
|
297 | d8aee57e | Iustin Pop | @param lv_name: the logical volume name to reserve
|
298 | d8aee57e | Iustin Pop |
|
299 | d8aee57e | Iustin Pop | """
|
300 | d8aee57e | Iustin Pop | all_lvs = self._AllLVs()
|
301 | d8aee57e | Iustin Pop | if lv_name in all_lvs: |
302 | d8aee57e | Iustin Pop | raise errors.ReservationError("LV already in use") |
303 | d8aee57e | Iustin Pop | else:
|
304 | 8785b71b | Apollon Oikonomopoulos | self._temporary_lvs.Reserve(ec_id, lv_name)
|
305 | d8aee57e | Iustin Pop | |
306 | d8aee57e | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
307 | afa1386e | Guido Trotter | def GenerateDRBDSecret(self, ec_id): |
308 | f9518d38 | Iustin Pop | """Generate a DRBD secret.
|
309 | f9518d38 | Iustin Pop |
|
310 | f9518d38 | Iustin Pop | This checks the current disks for duplicates.
|
311 | f9518d38 | Iustin Pop |
|
312 | f9518d38 | Iustin Pop | """
|
313 | afa1386e | Guido Trotter | return self._temporary_secrets.Generate(self._AllDRBDSecrets(), |
314 | afa1386e | Guido Trotter | utils.GenerateSecret, |
315 | afa1386e | Guido Trotter | ec_id) |
316 | 8d9c3bef | Michael Hanselmann | |
317 | 34e54ebc | Iustin Pop | def _AllLVs(self): |
318 | 923b1523 | Iustin Pop | """Compute the list of all LVs.
|
319 | 923b1523 | Iustin Pop |
|
320 | 923b1523 | Iustin Pop | """
|
321 | 923b1523 | Iustin Pop | lvnames = set()
|
322 | 923b1523 | Iustin Pop | for instance in self._config_data.instances.values(): |
323 | 923b1523 | Iustin Pop | node_data = instance.MapLVsByNode() |
324 | 923b1523 | Iustin Pop | for lv_list in node_data.values(): |
325 | 923b1523 | Iustin Pop | lvnames.update(lv_list) |
326 | 923b1523 | Iustin Pop | return lvnames
|
327 | 923b1523 | Iustin Pop | |
328 | 34e54ebc | Iustin Pop | def _AllIDs(self, include_temporary): |
329 | 34e54ebc | Iustin Pop | """Compute the list of all UUIDs and names we have.
|
330 | 34e54ebc | Iustin Pop |
|
331 | 34e54ebc | Iustin Pop | @type include_temporary: boolean
|
332 | 34e54ebc | Iustin Pop | @param include_temporary: whether to include the _temporary_ids set
|
333 | 34e54ebc | Iustin Pop | @rtype: set
|
334 | 34e54ebc | Iustin Pop | @return: a set of IDs
|
335 | 34e54ebc | Iustin Pop |
|
336 | 34e54ebc | Iustin Pop | """
|
337 | 34e54ebc | Iustin Pop | existing = set()
|
338 | 34e54ebc | Iustin Pop | if include_temporary:
|
339 | 4fae38c5 | Guido Trotter | existing.update(self._temporary_ids.GetReserved())
|
340 | 34e54ebc | Iustin Pop | existing.update(self._AllLVs())
|
341 | 34e54ebc | Iustin Pop | existing.update(self._config_data.instances.keys())
|
342 | 34e54ebc | Iustin Pop | existing.update(self._config_data.nodes.keys())
|
343 | 76d5d3a3 | Iustin Pop | existing.update([i.uuid for i in self._AllUUIDObjects() if i.uuid]) |
344 | 34e54ebc | Iustin Pop | return existing
|
345 | 34e54ebc | Iustin Pop | |
346 | 4fae38c5 | Guido Trotter | def _GenerateUniqueID(self, ec_id): |
347 | 430b923c | Iustin Pop | """Generate an unique UUID.
|
348 | 923b1523 | Iustin Pop |
|
349 | 923b1523 | Iustin Pop | This checks the current node, instances and disk names for
|
350 | 923b1523 | Iustin Pop | duplicates.
|
351 | 923b1523 | Iustin Pop |
|
352 | c41eea6e | Iustin Pop | @rtype: string
|
353 | c41eea6e | Iustin Pop | @return: the unique id
|
354 | 923b1523 | Iustin Pop |
|
355 | 923b1523 | Iustin Pop | """
|
356 | 4fae38c5 | Guido Trotter | existing = self._AllIDs(include_temporary=False) |
357 | 4fae38c5 | Guido Trotter | return self._temporary_ids.Generate(existing, utils.NewUUID, ec_id) |
358 | 923b1523 | Iustin Pop | |
359 | 430b923c | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
360 | 4fae38c5 | Guido Trotter | def GenerateUniqueID(self, ec_id): |
361 | 430b923c | Iustin Pop | """Generate an unique ID.
|
362 | 430b923c | Iustin Pop |
|
363 | 430b923c | Iustin Pop | This is just a wrapper over the unlocked version.
|
364 | 430b923c | Iustin Pop |
|
365 | 4fae38c5 | Guido Trotter | @type ec_id: string
|
366 | 4fae38c5 | Guido Trotter | @param ec_id: unique id for the job to reserve the id to
|
367 | 34d657ba | Iustin Pop |
|
368 | 34d657ba | Iustin Pop | """
|
369 | 4fae38c5 | Guido Trotter | return self._GenerateUniqueID(ec_id) |
370 | 34d657ba | Iustin Pop | |
371 | a8083063 | Iustin Pop | def _AllMACs(self): |
372 | a8083063 | Iustin Pop | """Return all MACs present in the config.
|
373 | a8083063 | Iustin Pop |
|
374 | c41eea6e | Iustin Pop | @rtype: list
|
375 | c41eea6e | Iustin Pop | @return: the list of all MACs
|
376 | c41eea6e | Iustin Pop |
|
377 | a8083063 | Iustin Pop | """
|
378 | a8083063 | Iustin Pop | result = [] |
379 | a8083063 | Iustin Pop | for instance in self._config_data.instances.values(): |
380 | a8083063 | Iustin Pop | for nic in instance.nics: |
381 | a8083063 | Iustin Pop | result.append(nic.mac) |
382 | a8083063 | Iustin Pop | |
383 | a8083063 | Iustin Pop | return result
|
384 | a8083063 | Iustin Pop | |
385 | f9518d38 | Iustin Pop | def _AllDRBDSecrets(self): |
386 | f9518d38 | Iustin Pop | """Return all DRBD secrets present in the config.
|
387 | f9518d38 | Iustin Pop |
|
388 | c41eea6e | Iustin Pop | @rtype: list
|
389 | c41eea6e | Iustin Pop | @return: the list of all DRBD secrets
|
390 | c41eea6e | Iustin Pop |
|
391 | f9518d38 | Iustin Pop | """
|
392 | f9518d38 | Iustin Pop | def helper(disk, result): |
393 | f9518d38 | Iustin Pop | """Recursively gather secrets from this disk."""
|
394 | f9518d38 | Iustin Pop | if disk.dev_type == constants.DT_DRBD8:
|
395 | f9518d38 | Iustin Pop | result.append(disk.logical_id[5])
|
396 | f9518d38 | Iustin Pop | if disk.children:
|
397 | f9518d38 | Iustin Pop | for child in disk.children: |
398 | f9518d38 | Iustin Pop | helper(child, result) |
399 | f9518d38 | Iustin Pop | |
400 | f9518d38 | Iustin Pop | result = [] |
401 | f9518d38 | Iustin Pop | for instance in self._config_data.instances.values(): |
402 | f9518d38 | Iustin Pop | for disk in instance.disks: |
403 | f9518d38 | Iustin Pop | helper(disk, result) |
404 | f9518d38 | Iustin Pop | |
405 | f9518d38 | Iustin Pop | return result
|
406 | f9518d38 | Iustin Pop | |
407 | 4b98ac29 | Iustin Pop | def _CheckDiskIDs(self, disk, l_ids, p_ids): |
408 | 4b98ac29 | Iustin Pop | """Compute duplicate disk IDs
|
409 | 4b98ac29 | Iustin Pop |
|
410 | 4b98ac29 | Iustin Pop | @type disk: L{objects.Disk}
|
411 | 4b98ac29 | Iustin Pop | @param disk: the disk at which to start searching
|
412 | 4b98ac29 | Iustin Pop | @type l_ids: list
|
413 | 4b98ac29 | Iustin Pop | @param l_ids: list of current logical ids
|
414 | 4b98ac29 | Iustin Pop | @type p_ids: list
|
415 | 4b98ac29 | Iustin Pop | @param p_ids: list of current physical ids
|
416 | 4b98ac29 | Iustin Pop | @rtype: list
|
417 | 4b98ac29 | Iustin Pop | @return: a list of error messages
|
418 | 4b98ac29 | Iustin Pop |
|
419 | 4b98ac29 | Iustin Pop | """
|
420 | 4b98ac29 | Iustin Pop | result = [] |
421 | 25ae22e4 | Iustin Pop | if disk.logical_id is not None: |
422 | 25ae22e4 | Iustin Pop | if disk.logical_id in l_ids: |
423 | 25ae22e4 | Iustin Pop | result.append("duplicate logical id %s" % str(disk.logical_id)) |
424 | 25ae22e4 | Iustin Pop | else:
|
425 | 25ae22e4 | Iustin Pop | l_ids.append(disk.logical_id) |
426 | 25ae22e4 | Iustin Pop | if disk.physical_id is not None: |
427 | 25ae22e4 | Iustin Pop | if disk.physical_id in p_ids: |
428 | 25ae22e4 | Iustin Pop | result.append("duplicate physical id %s" % str(disk.physical_id)) |
429 | 25ae22e4 | Iustin Pop | else:
|
430 | 25ae22e4 | Iustin Pop | p_ids.append(disk.physical_id) |
431 | 4b98ac29 | Iustin Pop | |
432 | 4b98ac29 | Iustin Pop | if disk.children:
|
433 | 4b98ac29 | Iustin Pop | for child in disk.children: |
434 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(child, l_ids, p_ids))
|
435 | 4b98ac29 | Iustin Pop | return result
|
436 | 4b98ac29 | Iustin Pop | |
437 | 4a89c54a | Iustin Pop | def _UnlockedVerifyConfig(self): |
438 | a8efbb40 | Iustin Pop | """Verify function.
|
439 | a8efbb40 | Iustin Pop |
|
440 | 4a89c54a | Iustin Pop | @rtype: list
|
441 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
442 | 4a89c54a | Iustin Pop | configuration errors
|
443 | 4a89c54a | Iustin Pop |
|
444 | a8083063 | Iustin Pop | """
|
445 | b459a848 | Andrea Spadaccini | # pylint: disable=R0914
|
446 | a8083063 | Iustin Pop | result = [] |
447 | a8083063 | Iustin Pop | seen_macs = [] |
448 | 48ce9fd9 | Iustin Pop | ports = {} |
449 | a8083063 | Iustin Pop | data = self._config_data
|
450 | 7e01d204 | Iustin Pop | cluster = data.cluster |
451 | 4b98ac29 | Iustin Pop | seen_lids = [] |
452 | 4b98ac29 | Iustin Pop | seen_pids = [] |
453 | 9a5fba23 | Guido Trotter | |
454 | 9a5fba23 | Guido Trotter | # global cluster checks
|
455 | 7e01d204 | Iustin Pop | if not cluster.enabled_hypervisors: |
456 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors list doesn't have any entries")
|
457 | 7e01d204 | Iustin Pop | invalid_hvs = set(cluster.enabled_hypervisors) - constants.HYPER_TYPES
|
458 | 9a5fba23 | Guido Trotter | if invalid_hvs:
|
459 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors contains invalid entries: %s" %
|
460 | 9a5fba23 | Guido Trotter | invalid_hvs) |
461 | 7e01d204 | Iustin Pop | missing_hvp = (set(cluster.enabled_hypervisors) -
|
462 | 7e01d204 | Iustin Pop | set(cluster.hvparams.keys()))
|
463 | 9f3ac970 | Iustin Pop | if missing_hvp:
|
464 | 9f3ac970 | Iustin Pop | result.append("hypervisor parameters missing for the enabled"
|
465 | 9f3ac970 | Iustin Pop | " hypervisor(s) %s" % utils.CommaJoin(missing_hvp))
|
466 | 9a5fba23 | Guido Trotter | |
467 | 7e01d204 | Iustin Pop | if cluster.master_node not in data.nodes: |
468 | 9a5fba23 | Guido Trotter | result.append("cluster has invalid primary node '%s'" %
|
469 | 7e01d204 | Iustin Pop | cluster.master_node) |
470 | 9a5fba23 | Guido Trotter | |
471 | 26f2fd8d | Iustin Pop | def _helper(owner, attr, value, template): |
472 | 26f2fd8d | Iustin Pop | try:
|
473 | 26f2fd8d | Iustin Pop | utils.ForceDictType(value, template) |
474 | 26f2fd8d | Iustin Pop | except errors.GenericError, err:
|
475 | 26f2fd8d | Iustin Pop | result.append("%s has invalid %s: %s" % (owner, attr, err))
|
476 | 26f2fd8d | Iustin Pop | |
477 | 26f2fd8d | Iustin Pop | def _helper_nic(owner, params): |
478 | 26f2fd8d | Iustin Pop | try:
|
479 | 26f2fd8d | Iustin Pop | objects.NIC.CheckParameterSyntax(params) |
480 | 26f2fd8d | Iustin Pop | except errors.ConfigurationError, err:
|
481 | 26f2fd8d | Iustin Pop | result.append("%s has invalid nicparams: %s" % (owner, err))
|
482 | 26f2fd8d | Iustin Pop | |
483 | 918eb80b | Agata Murawska | def _helper_ipolicy(owner, params): |
484 | 918eb80b | Agata Murawska | try:
|
485 | 918eb80b | Agata Murawska | objects.InstancePolicy.CheckParameterSyntax(params) |
486 | 918eb80b | Agata Murawska | except errors.ConfigurationError, err:
|
487 | 918eb80b | Agata Murawska | result.append("%s has invalid instance policy: %s" % (owner, err))
|
488 | 918eb80b | Agata Murawska | |
489 | 918eb80b | Agata Murawska | def _helper_ispecs(owner, params): |
490 | 2cc673a3 | Iustin Pop | for key, value in params.items(): |
491 | 12378fe3 | Iustin Pop | if key in constants.IPOLICY_ISPECS: |
492 | 2cc673a3 | Iustin Pop | fullkey = "ipolicy/" + key
|
493 | 2cc673a3 | Iustin Pop | _helper(owner, fullkey, value, constants.ISPECS_PARAMETER_TYPES) |
494 | 2cc673a3 | Iustin Pop | else:
|
495 | 2cc673a3 | Iustin Pop | # FIXME: assuming list type
|
496 | ff6c5e55 | Iustin Pop | if key in constants.IPOLICY_PARAMETERS: |
497 | ff6c5e55 | Iustin Pop | exp_type = float
|
498 | ff6c5e55 | Iustin Pop | else:
|
499 | ff6c5e55 | Iustin Pop | exp_type = list
|
500 | ff6c5e55 | Iustin Pop | if not isinstance(value, exp_type): |
501 | 2cc673a3 | Iustin Pop | result.append("%s has invalid instance policy: for %s,"
|
502 | ff6c5e55 | Iustin Pop | " expecting %s, got %s" %
|
503 | ff6c5e55 | Iustin Pop | (owner, key, exp_type.__name__, type(value)))
|
504 | 918eb80b | Agata Murawska | |
505 | 26f2fd8d | Iustin Pop | # check cluster parameters
|
506 | 26f2fd8d | Iustin Pop | _helper("cluster", "beparams", cluster.SimpleFillBE({}), |
507 | 26f2fd8d | Iustin Pop | constants.BES_PARAMETER_TYPES) |
508 | 26f2fd8d | Iustin Pop | _helper("cluster", "nicparams", cluster.SimpleFillNIC({}), |
509 | 26f2fd8d | Iustin Pop | constants.NICS_PARAMETER_TYPES) |
510 | 26f2fd8d | Iustin Pop | _helper_nic("cluster", cluster.SimpleFillNIC({}))
|
511 | 26f2fd8d | Iustin Pop | _helper("cluster", "ndparams", cluster.SimpleFillND({}), |
512 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
513 | 918eb80b | Agata Murawska | _helper_ipolicy("cluster", cluster.SimpleFillIPolicy({}))
|
514 | 918eb80b | Agata Murawska | _helper_ispecs("cluster", cluster.SimpleFillIPolicy({}))
|
515 | 26f2fd8d | Iustin Pop | |
516 | 9a5fba23 | Guido Trotter | # per-instance checks
|
517 | a8083063 | Iustin Pop | for instance_name in data.instances: |
518 | a8083063 | Iustin Pop | instance = data.instances[instance_name] |
519 | 81196341 | Iustin Pop | if instance.name != instance_name:
|
520 | 81196341 | Iustin Pop | result.append("instance '%s' is indexed by wrong name '%s'" %
|
521 | 81196341 | Iustin Pop | (instance.name, instance_name)) |
522 | a8083063 | Iustin Pop | if instance.primary_node not in data.nodes: |
523 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid primary node '%s'" %
|
524 | a8083063 | Iustin Pop | (instance_name, instance.primary_node)) |
525 | a8083063 | Iustin Pop | for snode in instance.secondary_nodes: |
526 | a8083063 | Iustin Pop | if snode not in data.nodes: |
527 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid secondary node '%s'" %
|
528 | a8083063 | Iustin Pop | (instance_name, snode)) |
529 | a8083063 | Iustin Pop | for idx, nic in enumerate(instance.nics): |
530 | a8083063 | Iustin Pop | if nic.mac in seen_macs: |
531 | 8522ceeb | Iustin Pop | result.append("instance '%s' has NIC %d mac %s duplicate" %
|
532 | a8083063 | Iustin Pop | (instance_name, idx, nic.mac)) |
533 | a8083063 | Iustin Pop | else:
|
534 | a8083063 | Iustin Pop | seen_macs.append(nic.mac) |
535 | 26f2fd8d | Iustin Pop | if nic.nicparams:
|
536 | 26f2fd8d | Iustin Pop | filled = cluster.SimpleFillNIC(nic.nicparams) |
537 | 26f2fd8d | Iustin Pop | owner = "instance %s nic %d" % (instance.name, idx)
|
538 | 26f2fd8d | Iustin Pop | _helper(owner, "nicparams",
|
539 | 26f2fd8d | Iustin Pop | filled, constants.NICS_PARAMETER_TYPES) |
540 | 26f2fd8d | Iustin Pop | _helper_nic(owner, filled) |
541 | 26f2fd8d | Iustin Pop | |
542 | 26f2fd8d | Iustin Pop | # parameter checks
|
543 | 26f2fd8d | Iustin Pop | if instance.beparams:
|
544 | 26f2fd8d | Iustin Pop | _helper("instance %s" % instance.name, "beparams", |
545 | 26f2fd8d | Iustin Pop | cluster.FillBE(instance), constants.BES_PARAMETER_TYPES) |
546 | 48ce9fd9 | Iustin Pop | |
547 | 48ce9fd9 | Iustin Pop | # gather the drbd ports for duplicate checks
|
548 | e2569c1d | Michael Hanselmann | for (idx, dsk) in enumerate(instance.disks): |
549 | 48ce9fd9 | Iustin Pop | if dsk.dev_type in constants.LDS_DRBD: |
550 | 48ce9fd9 | Iustin Pop | tcp_port = dsk.logical_id[2]
|
551 | 48ce9fd9 | Iustin Pop | if tcp_port not in ports: |
552 | 48ce9fd9 | Iustin Pop | ports[tcp_port] = [] |
553 | e2569c1d | Michael Hanselmann | ports[tcp_port].append((instance.name, "drbd disk %s" % idx))
|
554 | 48ce9fd9 | Iustin Pop | # gather network port reservation
|
555 | 48ce9fd9 | Iustin Pop | net_port = getattr(instance, "network_port", None) |
556 | 48ce9fd9 | Iustin Pop | if net_port is not None: |
557 | 48ce9fd9 | Iustin Pop | if net_port not in ports: |
558 | 48ce9fd9 | Iustin Pop | ports[net_port] = [] |
559 | 48ce9fd9 | Iustin Pop | ports[net_port].append((instance.name, "network port"))
|
560 | 48ce9fd9 | Iustin Pop | |
561 | 332d0e37 | Iustin Pop | # instance disk verify
|
562 | 332d0e37 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
563 | 332d0e37 | Iustin Pop | result.extend(["instance '%s' disk %d error: %s" %
|
564 | 332d0e37 | Iustin Pop | (instance.name, idx, msg) for msg in disk.Verify()]) |
565 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(disk, seen_lids, seen_pids))
|
566 | 332d0e37 | Iustin Pop | |
567 | 82c54b5b | Michael Hanselmann | wrong_names = _CheckInstanceDiskIvNames(instance.disks) |
568 | 82c54b5b | Michael Hanselmann | if wrong_names:
|
569 | 82c54b5b | Michael Hanselmann | tmp = "; ".join(("name of disk %s should be '%s', but is '%s'" % |
570 | 82c54b5b | Michael Hanselmann | (idx, exp_name, actual_name)) |
571 | 82c54b5b | Michael Hanselmann | for (idx, exp_name, actual_name) in wrong_names) |
572 | 82c54b5b | Michael Hanselmann | |
573 | 82c54b5b | Michael Hanselmann | result.append("Instance '%s' has wrongly named disks: %s" %
|
574 | 82c54b5b | Michael Hanselmann | (instance.name, tmp)) |
575 | 82c54b5b | Michael Hanselmann | |
576 | 48ce9fd9 | Iustin Pop | # cluster-wide pool of free ports
|
577 | 7e01d204 | Iustin Pop | for free_port in cluster.tcpudp_port_pool: |
578 | 48ce9fd9 | Iustin Pop | if free_port not in ports: |
579 | 48ce9fd9 | Iustin Pop | ports[free_port] = [] |
580 | 48ce9fd9 | Iustin Pop | ports[free_port].append(("cluster", "port marked as free")) |
581 | 48ce9fd9 | Iustin Pop | |
582 | 48ce9fd9 | Iustin Pop | # compute tcp/udp duplicate ports
|
583 | 48ce9fd9 | Iustin Pop | keys = ports.keys() |
584 | 48ce9fd9 | Iustin Pop | keys.sort() |
585 | 48ce9fd9 | Iustin Pop | for pnum in keys: |
586 | 48ce9fd9 | Iustin Pop | pdata = ports[pnum] |
587 | 48ce9fd9 | Iustin Pop | if len(pdata) > 1: |
588 | 1f864b60 | Iustin Pop | txt = utils.CommaJoin(["%s/%s" % val for val in pdata]) |
589 | 48ce9fd9 | Iustin Pop | result.append("tcp/udp port %s has duplicates: %s" % (pnum, txt))
|
590 | 48ce9fd9 | Iustin Pop | |
591 | 48ce9fd9 | Iustin Pop | # highest used tcp port check
|
592 | 48ce9fd9 | Iustin Pop | if keys:
|
593 | 7e01d204 | Iustin Pop | if keys[-1] > cluster.highest_used_port: |
594 | 48ce9fd9 | Iustin Pop | result.append("Highest used port mismatch, saved %s, computed %s" %
|
595 | 7e01d204 | Iustin Pop | (cluster.highest_used_port, keys[-1]))
|
596 | a8efbb40 | Iustin Pop | |
597 | 7e01d204 | Iustin Pop | if not data.nodes[cluster.master_node].master_candidate: |
598 | 3a26773f | Iustin Pop | result.append("Master node is not a master candidate")
|
599 | 3a26773f | Iustin Pop | |
600 | 4a89c54a | Iustin Pop | # master candidate checks
|
601 | e623dbe3 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats()
|
602 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
603 | ec0292f1 | Iustin Pop | result.append("Not enough master candidates: actual %d, target %d" %
|
604 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
605 | 48ce9fd9 | Iustin Pop | |
606 | 5bf07049 | Iustin Pop | # node checks
|
607 | 81196341 | Iustin Pop | for node_name, node in data.nodes.items(): |
608 | 81196341 | Iustin Pop | if node.name != node_name:
|
609 | 81196341 | Iustin Pop | result.append("Node '%s' is indexed by wrong name '%s'" %
|
610 | 81196341 | Iustin Pop | (node.name, node_name)) |
611 | 5bf07049 | Iustin Pop | if [node.master_candidate, node.drained, node.offline].count(True) > 1: |
612 | 5bf07049 | Iustin Pop | result.append("Node %s state is invalid: master_candidate=%s,"
|
613 | 5bf07049 | Iustin Pop | " drain=%s, offline=%s" %
|
614 | 3d889a7d | Michael Hanselmann | (node.name, node.master_candidate, node.drained, |
615 | 5bf07049 | Iustin Pop | node.offline)) |
616 | 26f2fd8d | Iustin Pop | if node.group not in data.nodegroups: |
617 | 26f2fd8d | Iustin Pop | result.append("Node '%s' has invalid group '%s'" %
|
618 | 26f2fd8d | Iustin Pop | (node.name, node.group)) |
619 | 26f2fd8d | Iustin Pop | else:
|
620 | 26f2fd8d | Iustin Pop | _helper("node %s" % node.name, "ndparams", |
621 | 26f2fd8d | Iustin Pop | cluster.FillND(node, data.nodegroups[node.group]), |
622 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
623 | 5bf07049 | Iustin Pop | |
624 | 6520ba14 | Guido Trotter | # nodegroups checks
|
625 | ace16501 | Guido Trotter | nodegroups_names = set()
|
626 | 6520ba14 | Guido Trotter | for nodegroup_uuid in data.nodegroups: |
627 | 6520ba14 | Guido Trotter | nodegroup = data.nodegroups[nodegroup_uuid] |
628 | 6520ba14 | Guido Trotter | if nodegroup.uuid != nodegroup_uuid:
|
629 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') indexed by wrong uuid '%s'"
|
630 | 6520ba14 | Guido Trotter | % (nodegroup.name, nodegroup.uuid, nodegroup_uuid)) |
631 | 485ba212 | Guido Trotter | if utils.UUID_RE.match(nodegroup.name.lower()):
|
632 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') has uuid-like name" %
|
633 | 485ba212 | Guido Trotter | (nodegroup.name, nodegroup.uuid)) |
634 | ace16501 | Guido Trotter | if nodegroup.name in nodegroups_names: |
635 | 913cc25e | Adeodato Simo | result.append("duplicate node group name '%s'" % nodegroup.name)
|
636 | ace16501 | Guido Trotter | else:
|
637 | ace16501 | Guido Trotter | nodegroups_names.add(nodegroup.name) |
638 | 81e3ab4f | Agata Murawska | group_name = "group %s" % nodegroup.name
|
639 | 81e3ab4f | Agata Murawska | _helper_ipolicy(group_name, cluster.SimpleFillIPolicy(nodegroup.ipolicy)) |
640 | 81e3ab4f | Agata Murawska | _helper_ispecs(group_name, cluster.SimpleFillIPolicy(nodegroup.ipolicy)) |
641 | 26f2fd8d | Iustin Pop | if nodegroup.ndparams:
|
642 | 81e3ab4f | Agata Murawska | _helper(group_name, "ndparams",
|
643 | 26f2fd8d | Iustin Pop | cluster.SimpleFillND(nodegroup.ndparams), |
644 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
645 | 26f2fd8d | Iustin Pop | |
646 | 4a89c54a | Iustin Pop | # drbd minors check
|
647 | 1122eb25 | Iustin Pop | _, duplicates = self._UnlockedComputeDRBDMap()
|
648 | 4a89c54a | Iustin Pop | for node, minor, instance_a, instance_b in duplicates: |
649 | 4a89c54a | Iustin Pop | result.append("DRBD minor %d on node %s is assigned twice to instances"
|
650 | 4a89c54a | Iustin Pop | " %s and %s" % (minor, node, instance_a, instance_b))
|
651 | 4a89c54a | Iustin Pop | |
652 | 0ce8f948 | Iustin Pop | # IP checks
|
653 | 7e01d204 | Iustin Pop | default_nicparams = cluster.nicparams[constants.PP_DEFAULT] |
654 | b8716596 | Michael Hanselmann | ips = {} |
655 | b8716596 | Michael Hanselmann | |
656 | b8716596 | Michael Hanselmann | def _AddIpAddress(ip, name): |
657 | b8716596 | Michael Hanselmann | ips.setdefault(ip, []).append(name) |
658 | b8716596 | Michael Hanselmann | |
659 | 7e01d204 | Iustin Pop | _AddIpAddress(cluster.master_ip, "cluster_ip")
|
660 | 0ce8f948 | Iustin Pop | |
661 | 0ce8f948 | Iustin Pop | for node in data.nodes.values(): |
662 | b8716596 | Michael Hanselmann | _AddIpAddress(node.primary_ip, "node:%s/primary" % node.name)
|
663 | 0ce8f948 | Iustin Pop | if node.secondary_ip != node.primary_ip:
|
664 | b8716596 | Michael Hanselmann | _AddIpAddress(node.secondary_ip, "node:%s/secondary" % node.name)
|
665 | b8716596 | Michael Hanselmann | |
666 | b8716596 | Michael Hanselmann | for instance in data.instances.values(): |
667 | b8716596 | Michael Hanselmann | for idx, nic in enumerate(instance.nics): |
668 | b8716596 | Michael Hanselmann | if nic.ip is None: |
669 | b8716596 | Michael Hanselmann | continue
|
670 | b8716596 | Michael Hanselmann | |
671 | b8716596 | Michael Hanselmann | nicparams = objects.FillDict(default_nicparams, nic.nicparams) |
672 | b8716596 | Michael Hanselmann | nic_mode = nicparams[constants.NIC_MODE] |
673 | b8716596 | Michael Hanselmann | nic_link = nicparams[constants.NIC_LINK] |
674 | b8716596 | Michael Hanselmann | |
675 | b8716596 | Michael Hanselmann | if nic_mode == constants.NIC_MODE_BRIDGED:
|
676 | b8716596 | Michael Hanselmann | link = "bridge:%s" % nic_link
|
677 | b8716596 | Michael Hanselmann | elif nic_mode == constants.NIC_MODE_ROUTED:
|
678 | b8716596 | Michael Hanselmann | link = "route:%s" % nic_link
|
679 | b8716596 | Michael Hanselmann | else:
|
680 | b8716596 | Michael Hanselmann | raise errors.ProgrammerError("NIC mode '%s' not handled" % nic_mode) |
681 | b8716596 | Michael Hanselmann | |
682 | b8716596 | Michael Hanselmann | _AddIpAddress("%s/%s" % (link, nic.ip),
|
683 | b8716596 | Michael Hanselmann | "instance:%s/nic:%d" % (instance.name, idx))
|
684 | 0ce8f948 | Iustin Pop | |
685 | 0ce8f948 | Iustin Pop | for ip, owners in ips.items(): |
686 | 0ce8f948 | Iustin Pop | if len(owners) > 1: |
687 | 0ce8f948 | Iustin Pop | result.append("IP address %s is used by multiple owners: %s" %
|
688 | 1f864b60 | Iustin Pop | (ip, utils.CommaJoin(owners))) |
689 | b8716596 | Michael Hanselmann | |
690 | a8083063 | Iustin Pop | return result
|
691 | a8083063 | Iustin Pop | |
692 | 4a89c54a | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
693 | 4a89c54a | Iustin Pop | def VerifyConfig(self): |
694 | 4a89c54a | Iustin Pop | """Verify function.
|
695 | 4a89c54a | Iustin Pop |
|
696 | 4a89c54a | Iustin Pop | This is just a wrapper over L{_UnlockedVerifyConfig}.
|
697 | 4a89c54a | Iustin Pop |
|
698 | 4a89c54a | Iustin Pop | @rtype: list
|
699 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
700 | 4a89c54a | Iustin Pop | configuration errors
|
701 | 4a89c54a | Iustin Pop |
|
702 | 4a89c54a | Iustin Pop | """
|
703 | 4a89c54a | Iustin Pop | return self._UnlockedVerifyConfig() |
704 | 4a89c54a | Iustin Pop | |
705 | f78ede4e | Guido Trotter | def _UnlockedSetDiskID(self, disk, node_name): |
706 | a8083063 | Iustin Pop | """Convert the unique ID to the ID needed on the target nodes.
|
707 | a8083063 | Iustin Pop |
|
708 | a8083063 | Iustin Pop | This is used only for drbd, which needs ip/port configuration.
|
709 | a8083063 | Iustin Pop |
|
710 | a8083063 | Iustin Pop | The routine descends down and updates its children also, because
|
711 | a8083063 | Iustin Pop | this helps when the only the top device is passed to the remote
|
712 | a8083063 | Iustin Pop | node.
|
713 | a8083063 | Iustin Pop |
|
714 | f78ede4e | Guido Trotter | This function is for internal use, when the config lock is already held.
|
715 | f78ede4e | Guido Trotter |
|
716 | a8083063 | Iustin Pop | """
|
717 | a8083063 | Iustin Pop | if disk.children:
|
718 | a8083063 | Iustin Pop | for child in disk.children: |
719 | f78ede4e | Guido Trotter | self._UnlockedSetDiskID(child, node_name)
|
720 | a8083063 | Iustin Pop | |
721 | a8083063 | Iustin Pop | if disk.logical_id is None and disk.physical_id is not None: |
722 | a8083063 | Iustin Pop | return
|
723 | ffa1c0dc | Iustin Pop | if disk.dev_type == constants.LD_DRBD8:
|
724 | f9518d38 | Iustin Pop | pnode, snode, port, pminor, sminor, secret = disk.logical_id |
725 | a8083063 | Iustin Pop | if node_name not in (pnode, snode): |
726 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("DRBD device not knowing node %s" % |
727 | 3ecf6786 | Iustin Pop | node_name) |
728 | f78ede4e | Guido Trotter | pnode_info = self._UnlockedGetNodeInfo(pnode)
|
729 | f78ede4e | Guido Trotter | snode_info = self._UnlockedGetNodeInfo(snode)
|
730 | a8083063 | Iustin Pop | if pnode_info is None or snode_info is None: |
731 | a8083063 | Iustin Pop | raise errors.ConfigurationError("Can't find primary or secondary node" |
732 | a8083063 | Iustin Pop | " for %s" % str(disk)) |
733 | ffa1c0dc | Iustin Pop | p_data = (pnode_info.secondary_ip, port) |
734 | ffa1c0dc | Iustin Pop | s_data = (snode_info.secondary_ip, port) |
735 | a8083063 | Iustin Pop | if pnode == node_name:
|
736 | f9518d38 | Iustin Pop | disk.physical_id = p_data + s_data + (pminor, secret) |
737 | a8083063 | Iustin Pop | else: # it must be secondary, we tested above |
738 | f9518d38 | Iustin Pop | disk.physical_id = s_data + p_data + (sminor, secret) |
739 | a8083063 | Iustin Pop | else:
|
740 | a8083063 | Iustin Pop | disk.physical_id = disk.logical_id |
741 | a8083063 | Iustin Pop | return
|
742 | a8083063 | Iustin Pop | |
743 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
744 | f78ede4e | Guido Trotter | def SetDiskID(self, disk, node_name): |
745 | f78ede4e | Guido Trotter | """Convert the unique ID to the ID needed on the target nodes.
|
746 | f78ede4e | Guido Trotter |
|
747 | f78ede4e | Guido Trotter | This is used only for drbd, which needs ip/port configuration.
|
748 | f78ede4e | Guido Trotter |
|
749 | f78ede4e | Guido Trotter | The routine descends down and updates its children also, because
|
750 | f78ede4e | Guido Trotter | this helps when the only the top device is passed to the remote
|
751 | f78ede4e | Guido Trotter | node.
|
752 | f78ede4e | Guido Trotter |
|
753 | f78ede4e | Guido Trotter | """
|
754 | f78ede4e | Guido Trotter | return self._UnlockedSetDiskID(disk, node_name) |
755 | f78ede4e | Guido Trotter | |
756 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
757 | b2fddf63 | Iustin Pop | def AddTcpUdpPort(self, port): |
758 | b2fddf63 | Iustin Pop | """Adds a new port to the available port pool.
|
759 | b2fddf63 | Iustin Pop |
|
760 | 3b3b1bca | Dimitris Aragiorgis | @warning: this method does not "flush" the configuration (via
|
761 | 3b3b1bca | Dimitris Aragiorgis | L{_WriteConfig}); callers should do that themselves once the
|
762 | 3b3b1bca | Dimitris Aragiorgis | configuration is stable
|
763 | 3b3b1bca | Dimitris Aragiorgis |
|
764 | b2fddf63 | Iustin Pop | """
|
765 | 264bb3c5 | Michael Hanselmann | if not isinstance(port, int): |
766 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed for port") |
767 | 264bb3c5 | Michael Hanselmann | |
768 | b2fddf63 | Iustin Pop | self._config_data.cluster.tcpudp_port_pool.add(port)
|
769 | 264bb3c5 | Michael Hanselmann | |
770 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
771 | b2fddf63 | Iustin Pop | def GetPortList(self): |
772 | 264bb3c5 | Michael Hanselmann | """Returns a copy of the current port list.
|
773 | 264bb3c5 | Michael Hanselmann |
|
774 | 264bb3c5 | Michael Hanselmann | """
|
775 | b2fddf63 | Iustin Pop | return self._config_data.cluster.tcpudp_port_pool.copy() |
776 | 264bb3c5 | Michael Hanselmann | |
777 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
778 | a8083063 | Iustin Pop | def AllocatePort(self): |
779 | a8083063 | Iustin Pop | """Allocate a port.
|
780 | a8083063 | Iustin Pop |
|
781 | b2fddf63 | Iustin Pop | The port will be taken from the available port pool or from the
|
782 | b2fddf63 | Iustin Pop | default port range (and in this case we increase
|
783 | b2fddf63 | Iustin Pop | highest_used_port).
|
784 | a8083063 | Iustin Pop |
|
785 | a8083063 | Iustin Pop | """
|
786 | 264bb3c5 | Michael Hanselmann | # If there are TCP/IP ports configured, we use them first.
|
787 | b2fddf63 | Iustin Pop | if self._config_data.cluster.tcpudp_port_pool: |
788 | b2fddf63 | Iustin Pop | port = self._config_data.cluster.tcpudp_port_pool.pop()
|
789 | 264bb3c5 | Michael Hanselmann | else:
|
790 | 264bb3c5 | Michael Hanselmann | port = self._config_data.cluster.highest_used_port + 1 |
791 | 264bb3c5 | Michael Hanselmann | if port >= constants.LAST_DRBD_PORT:
|
792 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("The highest used port is greater" |
793 | 3ecf6786 | Iustin Pop | " than %s. Aborting." %
|
794 | 3ecf6786 | Iustin Pop | constants.LAST_DRBD_PORT) |
795 | 264bb3c5 | Michael Hanselmann | self._config_data.cluster.highest_used_port = port
|
796 | a8083063 | Iustin Pop | |
797 | a8083063 | Iustin Pop | self._WriteConfig()
|
798 | a8083063 | Iustin Pop | return port
|
799 | a8083063 | Iustin Pop | |
800 | 6d2e83d5 | Iustin Pop | def _UnlockedComputeDRBDMap(self): |
801 | a81c53c9 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
802 | a81c53c9 | Iustin Pop |
|
803 | 4a89c54a | Iustin Pop | @rtype: (dict, list)
|
804 | c41eea6e | Iustin Pop | @return: dictionary of node_name: dict of minor: instance_name;
|
805 | c41eea6e | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
806 | 4a89c54a | Iustin Pop | an empty list), and a list of duplicates; if the duplicates
|
807 | 4a89c54a | Iustin Pop | list is not empty, the configuration is corrupted and its caller
|
808 | 4a89c54a | Iustin Pop | should raise an exception
|
809 | a81c53c9 | Iustin Pop |
|
810 | a81c53c9 | Iustin Pop | """
|
811 | a81c53c9 | Iustin Pop | def _AppendUsedPorts(instance_name, disk, used): |
812 | 4a89c54a | Iustin Pop | duplicates = [] |
813 | f9518d38 | Iustin Pop | if disk.dev_type == constants.LD_DRBD8 and len(disk.logical_id) >= 5: |
814 | 7c4d6c7b | Michael Hanselmann | node_a, node_b, _, minor_a, minor_b = disk.logical_id[:5]
|
815 | 7c4d6c7b | Michael Hanselmann | for node, port in ((node_a, minor_a), (node_b, minor_b)): |
816 | 4a89c54a | Iustin Pop | assert node in used, ("Node '%s' of instance '%s' not found" |
817 | 4a89c54a | Iustin Pop | " in node list" % (node, instance_name))
|
818 | a81c53c9 | Iustin Pop | if port in used[node]: |
819 | 4a89c54a | Iustin Pop | duplicates.append((node, port, instance_name, used[node][port])) |
820 | 4a89c54a | Iustin Pop | else:
|
821 | 4a89c54a | Iustin Pop | used[node][port] = instance_name |
822 | a81c53c9 | Iustin Pop | if disk.children:
|
823 | a81c53c9 | Iustin Pop | for child in disk.children: |
824 | 4a89c54a | Iustin Pop | duplicates.extend(_AppendUsedPorts(instance_name, child, used)) |
825 | 4a89c54a | Iustin Pop | return duplicates
|
826 | a81c53c9 | Iustin Pop | |
827 | 4a89c54a | Iustin Pop | duplicates = [] |
828 | a81c53c9 | Iustin Pop | my_dict = dict((node, {}) for node in self._config_data.nodes) |
829 | 79b26a7a | Iustin Pop | for instance in self._config_data.instances.itervalues(): |
830 | 79b26a7a | Iustin Pop | for disk in instance.disks: |
831 | 79b26a7a | Iustin Pop | duplicates.extend(_AppendUsedPorts(instance.name, disk, my_dict)) |
832 | a81c53c9 | Iustin Pop | for (node, minor), instance in self._temporary_drbds.iteritems(): |
833 | 79b26a7a | Iustin Pop | if minor in my_dict[node] and my_dict[node][minor] != instance: |
834 | 4a89c54a | Iustin Pop | duplicates.append((node, minor, instance, my_dict[node][minor])) |
835 | 4a89c54a | Iustin Pop | else:
|
836 | 4a89c54a | Iustin Pop | my_dict[node][minor] = instance |
837 | 4a89c54a | Iustin Pop | return my_dict, duplicates
|
838 | a81c53c9 | Iustin Pop | |
839 | a81c53c9 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
840 | 6d2e83d5 | Iustin Pop | def ComputeDRBDMap(self): |
841 | 6d2e83d5 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
842 | 6d2e83d5 | Iustin Pop |
|
843 | 6d2e83d5 | Iustin Pop | This is just a wrapper over L{_UnlockedComputeDRBDMap}.
|
844 | 6d2e83d5 | Iustin Pop |
|
845 | 6d2e83d5 | Iustin Pop | @return: dictionary of node_name: dict of minor: instance_name;
|
846 | 6d2e83d5 | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
847 | 6d2e83d5 | Iustin Pop | an empty list).
|
848 | 6d2e83d5 | Iustin Pop |
|
849 | 6d2e83d5 | Iustin Pop | """
|
850 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
851 | 4a89c54a | Iustin Pop | if duplicates:
|
852 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
853 | 4a89c54a | Iustin Pop | str(duplicates))
|
854 | 4a89c54a | Iustin Pop | return d_map
|
855 | 6d2e83d5 | Iustin Pop | |
856 | 6d2e83d5 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
857 | a81c53c9 | Iustin Pop | def AllocateDRBDMinor(self, nodes, instance): |
858 | a81c53c9 | Iustin Pop | """Allocate a drbd minor.
|
859 | a81c53c9 | Iustin Pop |
|
860 | a81c53c9 | Iustin Pop | The free minor will be automatically computed from the existing
|
861 | a81c53c9 | Iustin Pop | devices. A node can be given multiple times in order to allocate
|
862 | a81c53c9 | Iustin Pop | multiple minors. The result is the list of minors, in the same
|
863 | a81c53c9 | Iustin Pop | order as the passed nodes.
|
864 | a81c53c9 | Iustin Pop |
|
865 | 32388e6d | Iustin Pop | @type instance: string
|
866 | 32388e6d | Iustin Pop | @param instance: the instance for which we allocate minors
|
867 | 32388e6d | Iustin Pop |
|
868 | a81c53c9 | Iustin Pop | """
|
869 | 32388e6d | Iustin Pop | assert isinstance(instance, basestring), \ |
870 | 4a89c54a | Iustin Pop | "Invalid argument '%s' passed to AllocateDRBDMinor" % instance
|
871 | 32388e6d | Iustin Pop | |
872 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
873 | 4a89c54a | Iustin Pop | if duplicates:
|
874 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
875 | 4a89c54a | Iustin Pop | str(duplicates))
|
876 | a81c53c9 | Iustin Pop | result = [] |
877 | a81c53c9 | Iustin Pop | for nname in nodes: |
878 | a81c53c9 | Iustin Pop | ndata = d_map[nname] |
879 | a81c53c9 | Iustin Pop | if not ndata: |
880 | a81c53c9 | Iustin Pop | # no minors used, we can start at 0
|
881 | a81c53c9 | Iustin Pop | result.append(0)
|
882 | a81c53c9 | Iustin Pop | ndata[0] = instance
|
883 | d48663e4 | Iustin Pop | self._temporary_drbds[(nname, 0)] = instance |
884 | a81c53c9 | Iustin Pop | continue
|
885 | a81c53c9 | Iustin Pop | keys = ndata.keys() |
886 | a81c53c9 | Iustin Pop | keys.sort() |
887 | a81c53c9 | Iustin Pop | ffree = utils.FirstFree(keys) |
888 | a81c53c9 | Iustin Pop | if ffree is None: |
889 | a81c53c9 | Iustin Pop | # return the next minor
|
890 | a81c53c9 | Iustin Pop | # TODO: implement high-limit check
|
891 | a81c53c9 | Iustin Pop | minor = keys[-1] + 1 |
892 | a81c53c9 | Iustin Pop | else:
|
893 | a81c53c9 | Iustin Pop | minor = ffree |
894 | 4a89c54a | Iustin Pop | # double-check minor against current instances
|
895 | 4a89c54a | Iustin Pop | assert minor not in d_map[nname], \ |
896 | 4a89c54a | Iustin Pop | ("Attempt to reuse allocated DRBD minor %d on node %s,"
|
897 | 4a89c54a | Iustin Pop | " already allocated to instance %s" %
|
898 | 4a89c54a | Iustin Pop | (minor, nname, d_map[nname][minor])) |
899 | a81c53c9 | Iustin Pop | ndata[minor] = instance |
900 | 4a89c54a | Iustin Pop | # double-check minor against reservation
|
901 | 4a89c54a | Iustin Pop | r_key = (nname, minor) |
902 | 4a89c54a | Iustin Pop | assert r_key not in self._temporary_drbds, \ |
903 | 4a89c54a | Iustin Pop | ("Attempt to reuse reserved DRBD minor %d on node %s,"
|
904 | 4a89c54a | Iustin Pop | " reserved for instance %s" %
|
905 | 4a89c54a | Iustin Pop | (minor, nname, self._temporary_drbds[r_key]))
|
906 | 4a89c54a | Iustin Pop | self._temporary_drbds[r_key] = instance
|
907 | 4a89c54a | Iustin Pop | result.append(minor) |
908 | a81c53c9 | Iustin Pop | logging.debug("Request to allocate drbd minors, input: %s, returning %s",
|
909 | a81c53c9 | Iustin Pop | nodes, result) |
910 | a81c53c9 | Iustin Pop | return result
|
911 | a81c53c9 | Iustin Pop | |
912 | 61cf6b5e | Iustin Pop | def _UnlockedReleaseDRBDMinors(self, instance): |
913 | a81c53c9 | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
914 | a81c53c9 | Iustin Pop |
|
915 | a81c53c9 | Iustin Pop | @type instance: string
|
916 | a81c53c9 | Iustin Pop | @param instance: the instance for which temporary minors should be
|
917 | a81c53c9 | Iustin Pop | released
|
918 | a81c53c9 | Iustin Pop |
|
919 | a81c53c9 | Iustin Pop | """
|
920 | 32388e6d | Iustin Pop | assert isinstance(instance, basestring), \ |
921 | 32388e6d | Iustin Pop | "Invalid argument passed to ReleaseDRBDMinors"
|
922 | a81c53c9 | Iustin Pop | for key, name in self._temporary_drbds.items(): |
923 | a81c53c9 | Iustin Pop | if name == instance:
|
924 | a81c53c9 | Iustin Pop | del self._temporary_drbds[key] |
925 | a81c53c9 | Iustin Pop | |
926 | 61cf6b5e | Iustin Pop | @locking.ssynchronized(_config_lock)
|
927 | 61cf6b5e | Iustin Pop | def ReleaseDRBDMinors(self, instance): |
928 | 61cf6b5e | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
929 | 61cf6b5e | Iustin Pop |
|
930 | 61cf6b5e | Iustin Pop | This should be called on the error paths, on the success paths
|
931 | 61cf6b5e | Iustin Pop | it's automatically called by the ConfigWriter add and update
|
932 | 61cf6b5e | Iustin Pop | functions.
|
933 | 61cf6b5e | Iustin Pop |
|
934 | 61cf6b5e | Iustin Pop | This function is just a wrapper over L{_UnlockedReleaseDRBDMinors}.
|
935 | 61cf6b5e | Iustin Pop |
|
936 | 61cf6b5e | Iustin Pop | @type instance: string
|
937 | 61cf6b5e | Iustin Pop | @param instance: the instance for which temporary minors should be
|
938 | 61cf6b5e | Iustin Pop | released
|
939 | 61cf6b5e | Iustin Pop |
|
940 | 61cf6b5e | Iustin Pop | """
|
941 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(instance)
|
942 | 61cf6b5e | Iustin Pop | |
943 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
944 | 4a8b186a | Michael Hanselmann | def GetConfigVersion(self): |
945 | 4a8b186a | Michael Hanselmann | """Get the configuration version.
|
946 | 4a8b186a | Michael Hanselmann |
|
947 | 4a8b186a | Michael Hanselmann | @return: Config version
|
948 | 4a8b186a | Michael Hanselmann |
|
949 | 4a8b186a | Michael Hanselmann | """
|
950 | 4a8b186a | Michael Hanselmann | return self._config_data.version |
951 | 4a8b186a | Michael Hanselmann | |
952 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
953 | 4a8b186a | Michael Hanselmann | def GetClusterName(self): |
954 | 4a8b186a | Michael Hanselmann | """Get cluster name.
|
955 | 4a8b186a | Michael Hanselmann |
|
956 | 4a8b186a | Michael Hanselmann | @return: Cluster name
|
957 | 4a8b186a | Michael Hanselmann |
|
958 | 4a8b186a | Michael Hanselmann | """
|
959 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.cluster_name |
960 | 4a8b186a | Michael Hanselmann | |
961 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
962 | 4a8b186a | Michael Hanselmann | def GetMasterNode(self): |
963 | 4a8b186a | Michael Hanselmann | """Get the hostname of the master node for this cluster.
|
964 | 4a8b186a | Michael Hanselmann |
|
965 | 4a8b186a | Michael Hanselmann | @return: Master hostname
|
966 | 4a8b186a | Michael Hanselmann |
|
967 | 4a8b186a | Michael Hanselmann | """
|
968 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_node |
969 | 4a8b186a | Michael Hanselmann | |
970 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
971 | 4a8b186a | Michael Hanselmann | def GetMasterIP(self): |
972 | 4a8b186a | Michael Hanselmann | """Get the IP of the master node for this cluster.
|
973 | 4a8b186a | Michael Hanselmann |
|
974 | 4a8b186a | Michael Hanselmann | @return: Master IP
|
975 | 4a8b186a | Michael Hanselmann |
|
976 | 4a8b186a | Michael Hanselmann | """
|
977 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_ip |
978 | 4a8b186a | Michael Hanselmann | |
979 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
980 | 4a8b186a | Michael Hanselmann | def GetMasterNetdev(self): |
981 | 4a8b186a | Michael Hanselmann | """Get the master network device for this cluster.
|
982 | 4a8b186a | Michael Hanselmann |
|
983 | 4a8b186a | Michael Hanselmann | """
|
984 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_netdev |
985 | 4a8b186a | Michael Hanselmann | |
986 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
987 | 5a8648eb | Andrea Spadaccini | def GetMasterNetmask(self): |
988 | 5a8648eb | Andrea Spadaccini | """Get the netmask of the master node for this cluster.
|
989 | 5a8648eb | Andrea Spadaccini |
|
990 | 5a8648eb | Andrea Spadaccini | """
|
991 | 5a8648eb | Andrea Spadaccini | return self._config_data.cluster.master_netmask |
992 | 5a8648eb | Andrea Spadaccini | |
993 | 5a8648eb | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
994 | 33be7576 | Andrea Spadaccini | def GetUseExternalMipScript(self): |
995 | 33be7576 | Andrea Spadaccini | """Get flag representing whether to use the external master IP setup script.
|
996 | 33be7576 | Andrea Spadaccini |
|
997 | 33be7576 | Andrea Spadaccini | """
|
998 | 33be7576 | Andrea Spadaccini | return self._config_data.cluster.use_external_mip_script |
999 | 33be7576 | Andrea Spadaccini | |
1000 | 33be7576 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1001 | 4a8b186a | Michael Hanselmann | def GetFileStorageDir(self): |
1002 | 4a8b186a | Michael Hanselmann | """Get the file storage dir for this cluster.
|
1003 | 4a8b186a | Michael Hanselmann |
|
1004 | 4a8b186a | Michael Hanselmann | """
|
1005 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.file_storage_dir |
1006 | 4a8b186a | Michael Hanselmann | |
1007 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1008 | 4b97f902 | Apollon Oikonomopoulos | def GetSharedFileStorageDir(self): |
1009 | 4b97f902 | Apollon Oikonomopoulos | """Get the shared file storage dir for this cluster.
|
1010 | 4b97f902 | Apollon Oikonomopoulos |
|
1011 | 4b97f902 | Apollon Oikonomopoulos | """
|
1012 | 4b97f902 | Apollon Oikonomopoulos | return self._config_data.cluster.shared_file_storage_dir |
1013 | 4b97f902 | Apollon Oikonomopoulos | |
1014 | 4b97f902 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1015 | 4a8b186a | Michael Hanselmann | def GetHypervisorType(self): |
1016 | 4a8b186a | Michael Hanselmann | """Get the hypervisor type for this cluster.
|
1017 | 4a8b186a | Michael Hanselmann |
|
1018 | 4a8b186a | Michael Hanselmann | """
|
1019 | 066f465d | Guido Trotter | return self._config_data.cluster.enabled_hypervisors[0] |
1020 | 4a8b186a | Michael Hanselmann | |
1021 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1022 | a8083063 | Iustin Pop | def GetHostKey(self): |
1023 | a8083063 | Iustin Pop | """Return the rsa hostkey from the config.
|
1024 | a8083063 | Iustin Pop |
|
1025 | c41eea6e | Iustin Pop | @rtype: string
|
1026 | c41eea6e | Iustin Pop | @return: the rsa hostkey
|
1027 | a8083063 | Iustin Pop |
|
1028 | a8083063 | Iustin Pop | """
|
1029 | a8083063 | Iustin Pop | return self._config_data.cluster.rsahostkeypub |
1030 | a8083063 | Iustin Pop | |
1031 | bf4af505 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1032 | bf4af505 | Apollon Oikonomopoulos | def GetDefaultIAllocator(self): |
1033 | bf4af505 | Apollon Oikonomopoulos | """Get the default instance allocator for this cluster.
|
1034 | bf4af505 | Apollon Oikonomopoulos |
|
1035 | bf4af505 | Apollon Oikonomopoulos | """
|
1036 | bf4af505 | Apollon Oikonomopoulos | return self._config_data.cluster.default_iallocator |
1037 | bf4af505 | Apollon Oikonomopoulos | |
1038 | 868a98ca | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
1039 | 868a98ca | Manuel Franceschini | def GetPrimaryIPFamily(self): |
1040 | 868a98ca | Manuel Franceschini | """Get cluster primary ip family.
|
1041 | 868a98ca | Manuel Franceschini |
|
1042 | 868a98ca | Manuel Franceschini | @return: primary ip family
|
1043 | 868a98ca | Manuel Franceschini |
|
1044 | 868a98ca | Manuel Franceschini | """
|
1045 | 868a98ca | Manuel Franceschini | return self._config_data.cluster.primary_ip_family |
1046 | 868a98ca | Manuel Franceschini | |
1047 | c9f4b8e6 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1048 | c9f4b8e6 | Andrea Spadaccini | def GetMasterNetworkParameters(self): |
1049 | c9f4b8e6 | Andrea Spadaccini | """Get network parameters of the master node.
|
1050 | c9f4b8e6 | Andrea Spadaccini |
|
1051 | f9d20654 | Andrea Spadaccini | @rtype: L{object.MasterNetworkParameters}
|
1052 | f9d20654 | Andrea Spadaccini | @return: network parameters of the master node
|
1053 | c9f4b8e6 | Andrea Spadaccini |
|
1054 | c9f4b8e6 | Andrea Spadaccini | """
|
1055 | c9f4b8e6 | Andrea Spadaccini | cluster = self._config_data.cluster
|
1056 | c79198a0 | Andrea Spadaccini | result = objects.MasterNetworkParameters(name=cluster.master_node, |
1057 | c79198a0 | Andrea Spadaccini | ip=cluster.master_ip, |
1058 | c79198a0 | Andrea Spadaccini | netmask=cluster.master_netmask, |
1059 | c79198a0 | Andrea Spadaccini | netdev=cluster.master_netdev, |
1060 | c79198a0 | Andrea Spadaccini | ip_family=cluster.primary_ip_family) |
1061 | c9f4b8e6 | Andrea Spadaccini | |
1062 | f9d20654 | Andrea Spadaccini | return result
|
1063 | f9d20654 | Andrea Spadaccini | |
1064 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1065 | e11a1b77 | Adeodato Simo | def AddNodeGroup(self, group, ec_id, check_uuid=True): |
1066 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1067 | e11a1b77 | Adeodato Simo |
|
1068 | 90e99856 | Adeodato Simo | This method calls group.UpgradeConfig() to fill any missing attributes
|
1069 | 90e99856 | Adeodato Simo | according to their default values.
|
1070 | 90e99856 | Adeodato Simo |
|
1071 | e11a1b77 | Adeodato Simo | @type group: L{objects.NodeGroup}
|
1072 | e11a1b77 | Adeodato Simo | @param group: the NodeGroup object to add
|
1073 | e11a1b77 | Adeodato Simo | @type ec_id: string
|
1074 | e11a1b77 | Adeodato Simo | @param ec_id: unique id for the job to use when creating a missing UUID
|
1075 | e11a1b77 | Adeodato Simo | @type check_uuid: bool
|
1076 | e11a1b77 | Adeodato Simo | @param check_uuid: add an UUID to the group if it doesn't have one or, if
|
1077 | e11a1b77 | Adeodato Simo | it does, ensure that it does not exist in the
|
1078 | e11a1b77 | Adeodato Simo | configuration already
|
1079 | e11a1b77 | Adeodato Simo |
|
1080 | e11a1b77 | Adeodato Simo | """
|
1081 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(group, ec_id, check_uuid)
|
1082 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1083 | e11a1b77 | Adeodato Simo | |
1084 | e11a1b77 | Adeodato Simo | def _UnlockedAddNodeGroup(self, group, ec_id, check_uuid): |
1085 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1086 | e11a1b77 | Adeodato Simo |
|
1087 | e11a1b77 | Adeodato Simo | """
|
1088 | e11a1b77 | Adeodato Simo | logging.info("Adding node group %s to configuration", group.name)
|
1089 | e11a1b77 | Adeodato Simo | |
1090 | e11a1b77 | Adeodato Simo | # Some code might need to add a node group with a pre-populated UUID
|
1091 | e11a1b77 | Adeodato Simo | # generated with ConfigWriter.GenerateUniqueID(). We allow them to bypass
|
1092 | e11a1b77 | Adeodato Simo | # the "does this UUID" exist already check.
|
1093 | e11a1b77 | Adeodato Simo | if check_uuid:
|
1094 | e11a1b77 | Adeodato Simo | self._EnsureUUID(group, ec_id)
|
1095 | e11a1b77 | Adeodato Simo | |
1096 | 18ffc0fe | Stephen Shirley | try:
|
1097 | 18ffc0fe | Stephen Shirley | existing_uuid = self._UnlockedLookupNodeGroup(group.name)
|
1098 | 18ffc0fe | Stephen Shirley | except errors.OpPrereqError:
|
1099 | 18ffc0fe | Stephen Shirley | pass
|
1100 | 18ffc0fe | Stephen Shirley | else:
|
1101 | 18ffc0fe | Stephen Shirley | raise errors.OpPrereqError("Desired group name '%s' already exists as a" |
1102 | 18ffc0fe | Stephen Shirley | " node group (UUID: %s)" %
|
1103 | 18ffc0fe | Stephen Shirley | (group.name, existing_uuid), |
1104 | 18ffc0fe | Stephen Shirley | errors.ECODE_EXISTS) |
1105 | 18ffc0fe | Stephen Shirley | |
1106 | e11a1b77 | Adeodato Simo | group.serial_no = 1
|
1107 | e11a1b77 | Adeodato Simo | group.ctime = group.mtime = time.time() |
1108 | 90e99856 | Adeodato Simo | group.UpgradeConfig() |
1109 | e11a1b77 | Adeodato Simo | |
1110 | e11a1b77 | Adeodato Simo | self._config_data.nodegroups[group.uuid] = group
|
1111 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1112 | e11a1b77 | Adeodato Simo | |
1113 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1114 | e11a1b77 | Adeodato Simo | def RemoveNodeGroup(self, group_uuid): |
1115 | e11a1b77 | Adeodato Simo | """Remove a node group from the configuration.
|
1116 | e11a1b77 | Adeodato Simo |
|
1117 | e11a1b77 | Adeodato Simo | @type group_uuid: string
|
1118 | e11a1b77 | Adeodato Simo | @param group_uuid: the UUID of the node group to remove
|
1119 | e11a1b77 | Adeodato Simo |
|
1120 | e11a1b77 | Adeodato Simo | """
|
1121 | e11a1b77 | Adeodato Simo | logging.info("Removing node group %s from configuration", group_uuid)
|
1122 | e11a1b77 | Adeodato Simo | |
1123 | e11a1b77 | Adeodato Simo | if group_uuid not in self._config_data.nodegroups: |
1124 | e11a1b77 | Adeodato Simo | raise errors.ConfigurationError("Unknown node group '%s'" % group_uuid) |
1125 | e11a1b77 | Adeodato Simo | |
1126 | 0389c42a | Stephen Shirley | assert len(self._config_data.nodegroups) != 1, \ |
1127 | 0389c42a | Stephen Shirley | "Group '%s' is the only group, cannot be removed" % group_uuid
|
1128 | 0389c42a | Stephen Shirley | |
1129 | e11a1b77 | Adeodato Simo | del self._config_data.nodegroups[group_uuid] |
1130 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1131 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1132 | e11a1b77 | Adeodato Simo | |
1133 | e85d8982 | Stephen Shirley | def _UnlockedLookupNodeGroup(self, target): |
1134 | 412b3531 | Guido Trotter | """Lookup a node group's UUID.
|
1135 | eaa98a04 | Guido Trotter |
|
1136 | eaa98a04 | Guido Trotter | @type target: string or None
|
1137 | 412b3531 | Guido Trotter | @param target: group name or UUID or None to look for the default
|
1138 | eaa98a04 | Guido Trotter | @rtype: string
|
1139 | 412b3531 | Guido Trotter | @return: nodegroup UUID
|
1140 | eaa98a04 | Guido Trotter | @raises errors.OpPrereqError: when the target group cannot be found
|
1141 | eaa98a04 | Guido Trotter |
|
1142 | eaa98a04 | Guido Trotter | """
|
1143 | eaa98a04 | Guido Trotter | if target is None: |
1144 | eaa98a04 | Guido Trotter | if len(self._config_data.nodegroups) != 1: |
1145 | 913cc25e | Adeodato Simo | raise errors.OpPrereqError("More than one node group exists. Target" |
1146 | eaa98a04 | Guido Trotter | " group must be specified explicitely.")
|
1147 | eaa98a04 | Guido Trotter | else:
|
1148 | eaa98a04 | Guido Trotter | return self._config_data.nodegroups.keys()[0] |
1149 | eaa98a04 | Guido Trotter | if target in self._config_data.nodegroups: |
1150 | eaa98a04 | Guido Trotter | return target
|
1151 | eaa98a04 | Guido Trotter | for nodegroup in self._config_data.nodegroups.values(): |
1152 | eaa98a04 | Guido Trotter | if nodegroup.name == target:
|
1153 | eaa98a04 | Guido Trotter | return nodegroup.uuid
|
1154 | e0f9ed64 | Adeodato Simo | raise errors.OpPrereqError("Node group '%s' not found" % target, |
1155 | e0f9ed64 | Adeodato Simo | errors.ECODE_NOENT) |
1156 | eaa98a04 | Guido Trotter | |
1157 | e85d8982 | Stephen Shirley | @locking.ssynchronized(_config_lock, shared=1) |
1158 | e85d8982 | Stephen Shirley | def LookupNodeGroup(self, target): |
1159 | e85d8982 | Stephen Shirley | """Lookup a node group's UUID.
|
1160 | e85d8982 | Stephen Shirley |
|
1161 | e85d8982 | Stephen Shirley | This function is just a wrapper over L{_UnlockedLookupNodeGroup}.
|
1162 | e85d8982 | Stephen Shirley |
|
1163 | e85d8982 | Stephen Shirley | @type target: string or None
|
1164 | e85d8982 | Stephen Shirley | @param target: group name or UUID or None to look for the default
|
1165 | e85d8982 | Stephen Shirley | @rtype: string
|
1166 | e85d8982 | Stephen Shirley | @return: nodegroup UUID
|
1167 | e85d8982 | Stephen Shirley |
|
1168 | e85d8982 | Stephen Shirley | """
|
1169 | e85d8982 | Stephen Shirley | return self._UnlockedLookupNodeGroup(target) |
1170 | e85d8982 | Stephen Shirley | |
1171 | 5768e6a6 | René Nussbaumer | def _UnlockedGetNodeGroup(self, uuid): |
1172 | 648e4196 | Guido Trotter | """Lookup a node group.
|
1173 | 648e4196 | Guido Trotter |
|
1174 | 648e4196 | Guido Trotter | @type uuid: string
|
1175 | 648e4196 | Guido Trotter | @param uuid: group UUID
|
1176 | 648e4196 | Guido Trotter | @rtype: L{objects.NodeGroup} or None
|
1177 | 648e4196 | Guido Trotter | @return: nodegroup object, or None if not found
|
1178 | 648e4196 | Guido Trotter |
|
1179 | 648e4196 | Guido Trotter | """
|
1180 | 648e4196 | Guido Trotter | if uuid not in self._config_data.nodegroups: |
1181 | 648e4196 | Guido Trotter | return None |
1182 | 648e4196 | Guido Trotter | |
1183 | 648e4196 | Guido Trotter | return self._config_data.nodegroups[uuid] |
1184 | 648e4196 | Guido Trotter | |
1185 | 648e4196 | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1186 | 5768e6a6 | René Nussbaumer | def GetNodeGroup(self, uuid): |
1187 | 5768e6a6 | René Nussbaumer | """Lookup a node group.
|
1188 | 5768e6a6 | René Nussbaumer |
|
1189 | 5768e6a6 | René Nussbaumer | @type uuid: string
|
1190 | 5768e6a6 | René Nussbaumer | @param uuid: group UUID
|
1191 | 5768e6a6 | René Nussbaumer | @rtype: L{objects.NodeGroup} or None
|
1192 | 5768e6a6 | René Nussbaumer | @return: nodegroup object, or None if not found
|
1193 | 5768e6a6 | René Nussbaumer |
|
1194 | 5768e6a6 | René Nussbaumer | """
|
1195 | 5768e6a6 | René Nussbaumer | return self._UnlockedGetNodeGroup(uuid) |
1196 | 5768e6a6 | René Nussbaumer | |
1197 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
1198 | 622444e5 | Iustin Pop | def GetAllNodeGroupsInfo(self): |
1199 | 622444e5 | Iustin Pop | """Get the configuration of all node groups.
|
1200 | 622444e5 | Iustin Pop |
|
1201 | 622444e5 | Iustin Pop | """
|
1202 | 622444e5 | Iustin Pop | return dict(self._config_data.nodegroups) |
1203 | 622444e5 | Iustin Pop | |
1204 | 1ac6f2ad | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1205 | 1ac6f2ad | Guido Trotter | def GetNodeGroupList(self): |
1206 | 1ac6f2ad | Guido Trotter | """Get a list of node groups.
|
1207 | 1ac6f2ad | Guido Trotter |
|
1208 | 1ac6f2ad | Guido Trotter | """
|
1209 | 1ac6f2ad | Guido Trotter | return self._config_data.nodegroups.keys() |
1210 | 1ac6f2ad | Guido Trotter | |
1211 | dac81741 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1212 | dac81741 | Michael Hanselmann | def GetNodeGroupMembersByNodes(self, nodes): |
1213 | dac81741 | Michael Hanselmann | """Get nodes which are member in the same nodegroups as the given nodes.
|
1214 | dac81741 | Michael Hanselmann |
|
1215 | dac81741 | Michael Hanselmann | """
|
1216 | dac81741 | Michael Hanselmann | ngfn = lambda node_name: self._UnlockedGetNodeInfo(node_name).group |
1217 | dac81741 | Michael Hanselmann | return frozenset(member_name |
1218 | dac81741 | Michael Hanselmann | for node_name in nodes |
1219 | dac81741 | Michael Hanselmann | for member_name in |
1220 | dac81741 | Michael Hanselmann | self._UnlockedGetNodeGroup(ngfn(node_name)).members)
|
1221 | dac81741 | Michael Hanselmann | |
1222 | 080fbeea | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1223 | 080fbeea | Michael Hanselmann | def GetMultiNodeGroupInfo(self, group_uuids): |
1224 | 080fbeea | Michael Hanselmann | """Get the configuration of multiple node groups.
|
1225 | 080fbeea | Michael Hanselmann |
|
1226 | 080fbeea | Michael Hanselmann | @param group_uuids: List of node group UUIDs
|
1227 | 080fbeea | Michael Hanselmann | @rtype: list
|
1228 | 080fbeea | Michael Hanselmann | @return: List of tuples of (group_uuid, group_info)
|
1229 | 080fbeea | Michael Hanselmann |
|
1230 | 080fbeea | Michael Hanselmann | """
|
1231 | 080fbeea | Michael Hanselmann | return [(uuid, self._UnlockedGetNodeGroup(uuid)) for uuid in group_uuids] |
1232 | 080fbeea | Michael Hanselmann | |
1233 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1234 | 0debfb35 | Guido Trotter | def AddInstance(self, instance, ec_id): |
1235 | a8083063 | Iustin Pop | """Add an instance to the config.
|
1236 | a8083063 | Iustin Pop |
|
1237 | a8083063 | Iustin Pop | This should be used after creating a new instance.
|
1238 | a8083063 | Iustin Pop |
|
1239 | c41eea6e | Iustin Pop | @type instance: L{objects.Instance}
|
1240 | c41eea6e | Iustin Pop | @param instance: the instance object
|
1241 | c41eea6e | Iustin Pop |
|
1242 | a8083063 | Iustin Pop | """
|
1243 | a8083063 | Iustin Pop | if not isinstance(instance, objects.Instance): |
1244 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed to AddInstance") |
1245 | a8083063 | Iustin Pop | |
1246 | e00fb268 | Iustin Pop | if instance.disk_template != constants.DT_DISKLESS:
|
1247 | e00fb268 | Iustin Pop | all_lvs = instance.MapLVsByNode() |
1248 | 74a48621 | Iustin Pop | logging.info("Instance '%s' DISK_LAYOUT: %s", instance.name, all_lvs)
|
1249 | 923b1523 | Iustin Pop | |
1250 | e4640214 | Guido Trotter | all_macs = self._AllMACs()
|
1251 | e4640214 | Guido Trotter | for nic in instance.nics: |
1252 | e4640214 | Guido Trotter | if nic.mac in all_macs: |
1253 | e4640214 | Guido Trotter | raise errors.ConfigurationError("Cannot add instance %s:" |
1254 | 430b923c | Iustin Pop | " MAC address '%s' already in use." %
|
1255 | 430b923c | Iustin Pop | (instance.name, nic.mac)) |
1256 | 430b923c | Iustin Pop | |
1257 | 0debfb35 | Guido Trotter | self._EnsureUUID(instance, ec_id)
|
1258 | e4640214 | Guido Trotter | |
1259 | b989e85d | Iustin Pop | instance.serial_no = 1
|
1260 | d693c864 | Iustin Pop | instance.ctime = instance.mtime = time.time() |
1261 | a8083063 | Iustin Pop | self._config_data.instances[instance.name] = instance
|
1262 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1263 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(instance.name)
|
1264 | a8083063 | Iustin Pop | self._WriteConfig()
|
1265 | a8083063 | Iustin Pop | |
1266 | 0debfb35 | Guido Trotter | def _EnsureUUID(self, item, ec_id): |
1267 | 430b923c | Iustin Pop | """Ensures a given object has a valid UUID.
|
1268 | 430b923c | Iustin Pop |
|
1269 | 430b923c | Iustin Pop | @param item: the instance or node to be checked
|
1270 | 0debfb35 | Guido Trotter | @param ec_id: the execution context id for the uuid reservation
|
1271 | 430b923c | Iustin Pop |
|
1272 | 430b923c | Iustin Pop | """
|
1273 | 430b923c | Iustin Pop | if not item.uuid: |
1274 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(ec_id)
|
1275 | be0fc05d | Iustin Pop | elif item.uuid in self._AllIDs(include_temporary=True): |
1276 | be0fc05d | Iustin Pop | raise errors.ConfigurationError("Cannot add '%s': UUID %s already" |
1277 | be0fc05d | Iustin Pop | " in use" % (item.name, item.uuid))
|
1278 | 430b923c | Iustin Pop | |
1279 | 6a408fb2 | Iustin Pop | def _SetInstanceStatus(self, instance_name, status): |
1280 | 6a408fb2 | Iustin Pop | """Set the instance's status to a given value.
|
1281 | a8083063 | Iustin Pop |
|
1282 | a8083063 | Iustin Pop | """
|
1283 | 2e04d454 | Agata Murawska | assert status in constants.ADMINST_ALL, \ |
1284 | 0d68c45d | Iustin Pop | "Invalid status '%s' passed to SetInstanceStatus" % (status,)
|
1285 | a8083063 | Iustin Pop | |
1286 | a8083063 | Iustin Pop | if instance_name not in self._config_data.instances: |
1287 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % |
1288 | 3ecf6786 | Iustin Pop | instance_name) |
1289 | a8083063 | Iustin Pop | instance = self._config_data.instances[instance_name]
|
1290 | 9ca8a7c5 | Agata Murawska | if instance.admin_state != status:
|
1291 | 9ca8a7c5 | Agata Murawska | instance.admin_state = status |
1292 | b989e85d | Iustin Pop | instance.serial_no += 1
|
1293 | d693c864 | Iustin Pop | instance.mtime = time.time() |
1294 | 455a3445 | Iustin Pop | self._WriteConfig()
|
1295 | a8083063 | Iustin Pop | |
1296 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1297 | 6a408fb2 | Iustin Pop | def MarkInstanceUp(self, instance_name): |
1298 | 6a408fb2 | Iustin Pop | """Mark the instance status to up in the config.
|
1299 | 6a408fb2 | Iustin Pop |
|
1300 | 6a408fb2 | Iustin Pop | """
|
1301 | 57de31c0 | Agata Murawska | self._SetInstanceStatus(instance_name, constants.ADMINST_UP)
|
1302 | 57de31c0 | Agata Murawska | |
1303 | 57de31c0 | Agata Murawska | @locking.ssynchronized(_config_lock)
|
1304 | 57de31c0 | Agata Murawska | def MarkInstanceOffline(self, instance_name): |
1305 | 57de31c0 | Agata Murawska | """Mark the instance status to down in the config.
|
1306 | 57de31c0 | Agata Murawska |
|
1307 | 57de31c0 | Agata Murawska | """
|
1308 | 57de31c0 | Agata Murawska | self._SetInstanceStatus(instance_name, constants.ADMINST_OFFLINE)
|
1309 | 6a408fb2 | Iustin Pop | |
1310 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1311 | a8083063 | Iustin Pop | def RemoveInstance(self, instance_name): |
1312 | a8083063 | Iustin Pop | """Remove the instance from the configuration.
|
1313 | a8083063 | Iustin Pop |
|
1314 | a8083063 | Iustin Pop | """
|
1315 | a8083063 | Iustin Pop | if instance_name not in self._config_data.instances: |
1316 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % instance_name) |
1317 | f396ad8c | Vangelis Koukis | |
1318 | f396ad8c | Vangelis Koukis | # If a network port has been allocated to the instance,
|
1319 | f396ad8c | Vangelis Koukis | # return it to the pool of free ports.
|
1320 | f396ad8c | Vangelis Koukis | inst = self._config_data.instances[instance_name]
|
1321 | f396ad8c | Vangelis Koukis | network_port = getattr(inst, "network_port", None) |
1322 | f396ad8c | Vangelis Koukis | if network_port is not None: |
1323 | f396ad8c | Vangelis Koukis | self._config_data.cluster.tcpudp_port_pool.add(network_port)
|
1324 | f396ad8c | Vangelis Koukis | |
1325 | a8083063 | Iustin Pop | del self._config_data.instances[instance_name] |
1326 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1327 | a8083063 | Iustin Pop | self._WriteConfig()
|
1328 | a8083063 | Iustin Pop | |
1329 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1330 | fc95f88f | Iustin Pop | def RenameInstance(self, old_name, new_name): |
1331 | fc95f88f | Iustin Pop | """Rename an instance.
|
1332 | fc95f88f | Iustin Pop |
|
1333 | fc95f88f | Iustin Pop | This needs to be done in ConfigWriter and not by RemoveInstance
|
1334 | fc95f88f | Iustin Pop | combined with AddInstance as only we can guarantee an atomic
|
1335 | fc95f88f | Iustin Pop | rename.
|
1336 | fc95f88f | Iustin Pop |
|
1337 | fc95f88f | Iustin Pop | """
|
1338 | fc95f88f | Iustin Pop | if old_name not in self._config_data.instances: |
1339 | fc95f88f | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % old_name) |
1340 | ea642319 | Michael Hanselmann | |
1341 | ea642319 | Michael Hanselmann | # Operate on a copy to not loose instance object in case of a failure
|
1342 | ea642319 | Michael Hanselmann | inst = self._config_data.instances[old_name].Copy()
|
1343 | fc95f88f | Iustin Pop | inst.name = new_name |
1344 | b23c4333 | Manuel Franceschini | |
1345 | ea642319 | Michael Hanselmann | for (idx, disk) in enumerate(inst.disks): |
1346 | b23c4333 | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
1347 | b23c4333 | Manuel Franceschini | # rename the file paths in logical and physical id
|
1348 | b23c4333 | Manuel Franceschini | file_storage_dir = os.path.dirname(os.path.dirname(disk.logical_id[1]))
|
1349 | ea642319 | Michael Hanselmann | disk.logical_id = (disk.logical_id[0],
|
1350 | ea642319 | Michael Hanselmann | utils.PathJoin(file_storage_dir, inst.name, |
1351 | ea642319 | Michael Hanselmann | "disk%s" % idx))
|
1352 | ea642319 | Michael Hanselmann | disk.physical_id = disk.logical_id |
1353 | ea642319 | Michael Hanselmann | |
1354 | ea642319 | Michael Hanselmann | # Actually replace instance object
|
1355 | ea642319 | Michael Hanselmann | del self._config_data.instances[old_name] |
1356 | ea642319 | Michael Hanselmann | self._config_data.instances[inst.name] = inst
|
1357 | b23c4333 | Manuel Franceschini | |
1358 | 1fc34c48 | Michael Hanselmann | # Force update of ssconf files
|
1359 | 1fc34c48 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1360 | 1fc34c48 | Michael Hanselmann | |
1361 | fc95f88f | Iustin Pop | self._WriteConfig()
|
1362 | fc95f88f | Iustin Pop | |
1363 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1364 | a8083063 | Iustin Pop | def MarkInstanceDown(self, instance_name): |
1365 | a8083063 | Iustin Pop | """Mark the status of an instance to down in the configuration.
|
1366 | a8083063 | Iustin Pop |
|
1367 | a8083063 | Iustin Pop | """
|
1368 | 2e04d454 | Agata Murawska | self._SetInstanceStatus(instance_name, constants.ADMINST_DOWN)
|
1369 | a8083063 | Iustin Pop | |
1370 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceList(self): |
1371 | 94bbfece | Iustin Pop | """Get the list of instances.
|
1372 | 94bbfece | Iustin Pop |
|
1373 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1374 | 94bbfece | Iustin Pop |
|
1375 | 94bbfece | Iustin Pop | """
|
1376 | 94bbfece | Iustin Pop | return self._config_data.instances.keys() |
1377 | 94bbfece | Iustin Pop | |
1378 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1379 | a8083063 | Iustin Pop | def GetInstanceList(self): |
1380 | a8083063 | Iustin Pop | """Get the list of instances.
|
1381 | a8083063 | Iustin Pop |
|
1382 | c41eea6e | Iustin Pop | @return: array of instances, ex. ['instance2.example.com',
|
1383 | c41eea6e | Iustin Pop | 'instance1.example.com']
|
1384 | a8083063 | Iustin Pop |
|
1385 | a8083063 | Iustin Pop | """
|
1386 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceList() |
1387 | a8083063 | Iustin Pop | |
1388 | a8083063 | Iustin Pop | def ExpandInstanceName(self, short_name): |
1389 | a8083063 | Iustin Pop | """Attempt to expand an incomplete instance name.
|
1390 | a8083063 | Iustin Pop |
|
1391 | a8083063 | Iustin Pop | """
|
1392 | fe698b38 | Michael Hanselmann | # Locking is done in L{ConfigWriter.GetInstanceList}
|
1393 | fe698b38 | Michael Hanselmann | return _MatchNameComponentIgnoreCase(short_name, self.GetInstanceList()) |
1394 | a8083063 | Iustin Pop | |
1395 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceInfo(self, instance_name): |
1396 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1397 | 94bbfece | Iustin Pop |
|
1398 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1399 | 94bbfece | Iustin Pop |
|
1400 | 94bbfece | Iustin Pop | """
|
1401 | 94bbfece | Iustin Pop | if instance_name not in self._config_data.instances: |
1402 | 94bbfece | Iustin Pop | return None |
1403 | 94bbfece | Iustin Pop | |
1404 | 94bbfece | Iustin Pop | return self._config_data.instances[instance_name] |
1405 | 94bbfece | Iustin Pop | |
1406 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1407 | a8083063 | Iustin Pop | def GetInstanceInfo(self, instance_name): |
1408 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1409 | a8083063 | Iustin Pop |
|
1410 | 5bbd3f7f | Michael Hanselmann | It takes the information from the configuration file. Other information of
|
1411 | a8083063 | Iustin Pop | an instance are taken from the live systems.
|
1412 | a8083063 | Iustin Pop |
|
1413 | c41eea6e | Iustin Pop | @param instance_name: name of the instance, e.g.
|
1414 | c41eea6e | Iustin Pop | I{instance1.example.com}
|
1415 | a8083063 | Iustin Pop |
|
1416 | c41eea6e | Iustin Pop | @rtype: L{objects.Instance}
|
1417 | c41eea6e | Iustin Pop | @return: the instance object
|
1418 | a8083063 | Iustin Pop |
|
1419 | a8083063 | Iustin Pop | """
|
1420 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceInfo(instance_name) |
1421 | a8083063 | Iustin Pop | |
1422 | 0b2de758 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1423 | 2674690b | Michael Hanselmann | def GetInstanceNodeGroups(self, instance_name, primary_only=False): |
1424 | 2674690b | Michael Hanselmann | """Returns set of node group UUIDs for instance's nodes.
|
1425 | 2674690b | Michael Hanselmann |
|
1426 | 2674690b | Michael Hanselmann | @rtype: frozenset
|
1427 | 2674690b | Michael Hanselmann |
|
1428 | 2674690b | Michael Hanselmann | """
|
1429 | 2674690b | Michael Hanselmann | instance = self._UnlockedGetInstanceInfo(instance_name)
|
1430 | 2674690b | Michael Hanselmann | if not instance: |
1431 | 2674690b | Michael Hanselmann | raise errors.ConfigurationError("Unknown instance '%s'" % instance_name) |
1432 | 2674690b | Michael Hanselmann | |
1433 | 2674690b | Michael Hanselmann | if primary_only:
|
1434 | 2674690b | Michael Hanselmann | nodes = [instance.primary_node] |
1435 | 2674690b | Michael Hanselmann | else:
|
1436 | 2674690b | Michael Hanselmann | nodes = instance.all_nodes |
1437 | 2674690b | Michael Hanselmann | |
1438 | 2674690b | Michael Hanselmann | return frozenset(self._UnlockedGetNodeInfo(node_name).group |
1439 | 2674690b | Michael Hanselmann | for node_name in nodes) |
1440 | 2674690b | Michael Hanselmann | |
1441 | 2674690b | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1442 | 71333cb9 | Iustin Pop | def GetMultiInstanceInfo(self, instances): |
1443 | 71333cb9 | Iustin Pop | """Get the configuration of multiple instances.
|
1444 | 71333cb9 | Iustin Pop |
|
1445 | 71333cb9 | Iustin Pop | @param instances: list of instance names
|
1446 | 71333cb9 | Iustin Pop | @rtype: list
|
1447 | 71333cb9 | Iustin Pop | @return: list of tuples (instance, instance_info), where
|
1448 | 71333cb9 | Iustin Pop | instance_info is what would GetInstanceInfo return for the
|
1449 | 71333cb9 | Iustin Pop | node, while keeping the original order
|
1450 | 71333cb9 | Iustin Pop |
|
1451 | 71333cb9 | Iustin Pop | """
|
1452 | 71333cb9 | Iustin Pop | return [(name, self._UnlockedGetInstanceInfo(name)) for name in instances] |
1453 | 71333cb9 | Iustin Pop | |
1454 | 71333cb9 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1455 | 0b2de758 | Iustin Pop | def GetAllInstancesInfo(self): |
1456 | 0b2de758 | Iustin Pop | """Get the configuration of all instances.
|
1457 | 0b2de758 | Iustin Pop |
|
1458 | 0b2de758 | Iustin Pop | @rtype: dict
|
1459 | 5fcc718f | Iustin Pop | @return: dict of (instance, instance_info), where instance_info is what
|
1460 | 0b2de758 | Iustin Pop | would GetInstanceInfo return for the node
|
1461 | 0b2de758 | Iustin Pop |
|
1462 | 0b2de758 | Iustin Pop | """
|
1463 | 64d3bd52 | Guido Trotter | my_dict = dict([(instance, self._UnlockedGetInstanceInfo(instance)) |
1464 | 64d3bd52 | Guido Trotter | for instance in self._UnlockedGetInstanceList()]) |
1465 | 0b2de758 | Iustin Pop | return my_dict
|
1466 | 0b2de758 | Iustin Pop | |
1467 | cc19798f | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1468 | cc19798f | Michael Hanselmann | def GetInstancesInfoByFilter(self, filter_fn): |
1469 | cc19798f | Michael Hanselmann | """Get instance configuration with a filter.
|
1470 | cc19798f | Michael Hanselmann |
|
1471 | cc19798f | Michael Hanselmann | @type filter_fn: callable
|
1472 | cc19798f | Michael Hanselmann | @param filter_fn: Filter function receiving instance object as parameter,
|
1473 | cc19798f | Michael Hanselmann | returning boolean. Important: this function is called while the
|
1474 | cc19798f | Michael Hanselmann | configuration locks is held. It must not do any complex work or call
|
1475 | cc19798f | Michael Hanselmann | functions potentially leading to a deadlock. Ideally it doesn't call any
|
1476 | cc19798f | Michael Hanselmann | other functions and just compares instance attributes.
|
1477 | cc19798f | Michael Hanselmann |
|
1478 | cc19798f | Michael Hanselmann | """
|
1479 | cc19798f | Michael Hanselmann | return dict((name, inst) |
1480 | cc19798f | Michael Hanselmann | for (name, inst) in self._config_data.instances.items() |
1481 | cc19798f | Michael Hanselmann | if filter_fn(inst))
|
1482 | cc19798f | Michael Hanselmann | |
1483 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1484 | 0debfb35 | Guido Trotter | def AddNode(self, node, ec_id): |
1485 | a8083063 | Iustin Pop | """Add a node to the configuration.
|
1486 | a8083063 | Iustin Pop |
|
1487 | c41eea6e | Iustin Pop | @type node: L{objects.Node}
|
1488 | c41eea6e | Iustin Pop | @param node: a Node instance
|
1489 | a8083063 | Iustin Pop |
|
1490 | a8083063 | Iustin Pop | """
|
1491 | 099c52ad | Iustin Pop | logging.info("Adding node %s to configuration", node.name)
|
1492 | d8470559 | Michael Hanselmann | |
1493 | 0debfb35 | Guido Trotter | self._EnsureUUID(node, ec_id)
|
1494 | 430b923c | Iustin Pop | |
1495 | b989e85d | Iustin Pop | node.serial_no = 1
|
1496 | d693c864 | Iustin Pop | node.ctime = node.mtime = time.time() |
1497 | f936c153 | Iustin Pop | self._UnlockedAddNodeToGroup(node.name, node.group)
|
1498 | a8083063 | Iustin Pop | self._config_data.nodes[node.name] = node
|
1499 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1500 | a8083063 | Iustin Pop | self._WriteConfig()
|
1501 | a8083063 | Iustin Pop | |
1502 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1503 | a8083063 | Iustin Pop | def RemoveNode(self, node_name): |
1504 | a8083063 | Iustin Pop | """Remove a node from the configuration.
|
1505 | a8083063 | Iustin Pop |
|
1506 | a8083063 | Iustin Pop | """
|
1507 | 099c52ad | Iustin Pop | logging.info("Removing node %s from configuration", node_name)
|
1508 | d8470559 | Michael Hanselmann | |
1509 | a8083063 | Iustin Pop | if node_name not in self._config_data.nodes: |
1510 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown node '%s'" % node_name) |
1511 | a8083063 | Iustin Pop | |
1512 | 190e3cb6 | Guido Trotter | self._UnlockedRemoveNodeFromGroup(self._config_data.nodes[node_name]) |
1513 | a8083063 | Iustin Pop | del self._config_data.nodes[node_name] |
1514 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1515 | a8083063 | Iustin Pop | self._WriteConfig()
|
1516 | a8083063 | Iustin Pop | |
1517 | a8083063 | Iustin Pop | def ExpandNodeName(self, short_name): |
1518 | fe698b38 | Michael Hanselmann | """Attempt to expand an incomplete node name.
|
1519 | a8083063 | Iustin Pop |
|
1520 | a8083063 | Iustin Pop | """
|
1521 | fe698b38 | Michael Hanselmann | # Locking is done in L{ConfigWriter.GetNodeList}
|
1522 | fe698b38 | Michael Hanselmann | return _MatchNameComponentIgnoreCase(short_name, self.GetNodeList()) |
1523 | a8083063 | Iustin Pop | |
1524 | f78ede4e | Guido Trotter | def _UnlockedGetNodeInfo(self, node_name): |
1525 | a8083063 | Iustin Pop | """Get the configuration of a node, as stored in the config.
|
1526 | a8083063 | Iustin Pop |
|
1527 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1528 | c41eea6e | Iustin Pop | held.
|
1529 | f78ede4e | Guido Trotter |
|
1530 | c41eea6e | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1531 | a8083063 | Iustin Pop |
|
1532 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1533 | c41eea6e | Iustin Pop | @return: the node object
|
1534 | a8083063 | Iustin Pop |
|
1535 | a8083063 | Iustin Pop | """
|
1536 | a8083063 | Iustin Pop | if node_name not in self._config_data.nodes: |
1537 | a8083063 | Iustin Pop | return None |
1538 | a8083063 | Iustin Pop | |
1539 | a8083063 | Iustin Pop | return self._config_data.nodes[node_name] |
1540 | a8083063 | Iustin Pop | |
1541 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1542 | f78ede4e | Guido Trotter | def GetNodeInfo(self, node_name): |
1543 | f78ede4e | Guido Trotter | """Get the configuration of a node, as stored in the config.
|
1544 | f78ede4e | Guido Trotter |
|
1545 | c41eea6e | Iustin Pop | This is just a locked wrapper over L{_UnlockedGetNodeInfo}.
|
1546 | f78ede4e | Guido Trotter |
|
1547 | c41eea6e | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1548 | c41eea6e | Iustin Pop |
|
1549 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1550 | c41eea6e | Iustin Pop | @return: the node object
|
1551 | f78ede4e | Guido Trotter |
|
1552 | f78ede4e | Guido Trotter | """
|
1553 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeInfo(node_name) |
1554 | f78ede4e | Guido Trotter | |
1555 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1556 | 8bf9e9a5 | Iustin Pop | def GetNodeInstances(self, node_name): |
1557 | 8bf9e9a5 | Iustin Pop | """Get the instances of a node, as stored in the config.
|
1558 | 8bf9e9a5 | Iustin Pop |
|
1559 | 8bf9e9a5 | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1560 | 8bf9e9a5 | Iustin Pop |
|
1561 | 8bf9e9a5 | Iustin Pop | @rtype: (list, list)
|
1562 | 8bf9e9a5 | Iustin Pop | @return: a tuple with two lists: the primary and the secondary instances
|
1563 | 8bf9e9a5 | Iustin Pop |
|
1564 | 8bf9e9a5 | Iustin Pop | """
|
1565 | 8bf9e9a5 | Iustin Pop | pri = [] |
1566 | 8bf9e9a5 | Iustin Pop | sec = [] |
1567 | 8bf9e9a5 | Iustin Pop | for inst in self._config_data.instances.values(): |
1568 | 8bf9e9a5 | Iustin Pop | if inst.primary_node == node_name:
|
1569 | 8bf9e9a5 | Iustin Pop | pri.append(inst.name) |
1570 | 8bf9e9a5 | Iustin Pop | if node_name in inst.secondary_nodes: |
1571 | 8bf9e9a5 | Iustin Pop | sec.append(inst.name) |
1572 | 8bf9e9a5 | Iustin Pop | return (pri, sec)
|
1573 | 8bf9e9a5 | Iustin Pop | |
1574 | c71b049c | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1575 | c71b049c | Michael Hanselmann | def GetNodeGroupInstances(self, uuid, primary_only=False): |
1576 | c71b049c | Michael Hanselmann | """Get the instances of a node group.
|
1577 | c71b049c | Michael Hanselmann |
|
1578 | c71b049c | Michael Hanselmann | @param uuid: Node group UUID
|
1579 | c71b049c | Michael Hanselmann | @param primary_only: Whether to only consider primary nodes
|
1580 | c71b049c | Michael Hanselmann | @rtype: frozenset
|
1581 | c71b049c | Michael Hanselmann | @return: List of instance names in node group
|
1582 | c71b049c | Michael Hanselmann |
|
1583 | c71b049c | Michael Hanselmann | """
|
1584 | c71b049c | Michael Hanselmann | if primary_only:
|
1585 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: [inst.primary_node]
|
1586 | c71b049c | Michael Hanselmann | else:
|
1587 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: inst.all_nodes
|
1588 | c71b049c | Michael Hanselmann | |
1589 | c71b049c | Michael Hanselmann | return frozenset(inst.name |
1590 | c71b049c | Michael Hanselmann | for inst in self._config_data.instances.values() |
1591 | c71b049c | Michael Hanselmann | for node_name in nodes_fn(inst) |
1592 | c71b049c | Michael Hanselmann | if self._UnlockedGetNodeInfo(node_name).group == uuid) |
1593 | c71b049c | Michael Hanselmann | |
1594 | f78ede4e | Guido Trotter | def _UnlockedGetNodeList(self): |
1595 | a8083063 | Iustin Pop | """Return the list of nodes which are in the configuration.
|
1596 | a8083063 | Iustin Pop |
|
1597 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1598 | c41eea6e | Iustin Pop | held.
|
1599 | c41eea6e | Iustin Pop |
|
1600 | c41eea6e | Iustin Pop | @rtype: list
|
1601 | f78ede4e | Guido Trotter |
|
1602 | a8083063 | Iustin Pop | """
|
1603 | a8083063 | Iustin Pop | return self._config_data.nodes.keys() |
1604 | a8083063 | Iustin Pop | |
1605 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1606 | f78ede4e | Guido Trotter | def GetNodeList(self): |
1607 | f78ede4e | Guido Trotter | """Return the list of nodes which are in the configuration.
|
1608 | f78ede4e | Guido Trotter |
|
1609 | f78ede4e | Guido Trotter | """
|
1610 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeList() |
1611 | f78ede4e | Guido Trotter | |
1612 | 6819dc49 | Iustin Pop | def _UnlockedGetOnlineNodeList(self): |
1613 | 94a02bb5 | Iustin Pop | """Return the list of nodes which are online.
|
1614 | 94a02bb5 | Iustin Pop |
|
1615 | 94a02bb5 | Iustin Pop | """
|
1616 | 94a02bb5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1617 | 94a02bb5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1618 | 94a02bb5 | Iustin Pop | return [node.name for node in all_nodes if not node.offline] |
1619 | 94a02bb5 | Iustin Pop | |
1620 | 94a02bb5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1621 | 6819dc49 | Iustin Pop | def GetOnlineNodeList(self): |
1622 | 6819dc49 | Iustin Pop | """Return the list of nodes which are online.
|
1623 | 6819dc49 | Iustin Pop |
|
1624 | 6819dc49 | Iustin Pop | """
|
1625 | 6819dc49 | Iustin Pop | return self._UnlockedGetOnlineNodeList() |
1626 | 6819dc49 | Iustin Pop | |
1627 | 6819dc49 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1628 | 075b62ca | Iustin Pop | def GetVmCapableNodeList(self): |
1629 | 075b62ca | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1630 | 075b62ca | Iustin Pop |
|
1631 | 075b62ca | Iustin Pop | """
|
1632 | 075b62ca | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1633 | 075b62ca | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1634 | 075b62ca | Iustin Pop | return [node.name for node in all_nodes if node.vm_capable] |
1635 | 075b62ca | Iustin Pop | |
1636 | 075b62ca | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1637 | 8bf9e9a5 | Iustin Pop | def GetNonVmCapableNodeList(self): |
1638 | 8bf9e9a5 | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1639 | 8bf9e9a5 | Iustin Pop |
|
1640 | 8bf9e9a5 | Iustin Pop | """
|
1641 | 8bf9e9a5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1642 | 8bf9e9a5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1643 | 8bf9e9a5 | Iustin Pop | return [node.name for node in all_nodes if not node.vm_capable] |
1644 | 8bf9e9a5 | Iustin Pop | |
1645 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1646 | f5eaa3c1 | Iustin Pop | def GetMultiNodeInfo(self, nodes): |
1647 | f5eaa3c1 | Iustin Pop | """Get the configuration of multiple nodes.
|
1648 | f5eaa3c1 | Iustin Pop |
|
1649 | f5eaa3c1 | Iustin Pop | @param nodes: list of node names
|
1650 | f5eaa3c1 | Iustin Pop | @rtype: list
|
1651 | f5eaa3c1 | Iustin Pop | @return: list of tuples of (node, node_info), where node_info is
|
1652 | f5eaa3c1 | Iustin Pop | what would GetNodeInfo return for the node, in the original
|
1653 | f5eaa3c1 | Iustin Pop | order
|
1654 | f5eaa3c1 | Iustin Pop |
|
1655 | f5eaa3c1 | Iustin Pop | """
|
1656 | f5eaa3c1 | Iustin Pop | return [(name, self._UnlockedGetNodeInfo(name)) for name in nodes] |
1657 | f5eaa3c1 | Iustin Pop | |
1658 | f5eaa3c1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1659 | d65e5776 | Iustin Pop | def GetAllNodesInfo(self): |
1660 | d65e5776 | Iustin Pop | """Get the configuration of all nodes.
|
1661 | d65e5776 | Iustin Pop |
|
1662 | d65e5776 | Iustin Pop | @rtype: dict
|
1663 | ec0292f1 | Iustin Pop | @return: dict of (node, node_info), where node_info is what
|
1664 | d65e5776 | Iustin Pop | would GetNodeInfo return for the node
|
1665 | d65e5776 | Iustin Pop |
|
1666 | d65e5776 | Iustin Pop | """
|
1667 | ee14d800 | Michael Hanselmann | return self._UnlockedGetAllNodesInfo() |
1668 | ee14d800 | Michael Hanselmann | |
1669 | ee14d800 | Michael Hanselmann | def _UnlockedGetAllNodesInfo(self): |
1670 | ee14d800 | Michael Hanselmann | """Gets configuration of all nodes.
|
1671 | ee14d800 | Michael Hanselmann |
|
1672 | ee14d800 | Michael Hanselmann | @note: See L{GetAllNodesInfo}
|
1673 | ee14d800 | Michael Hanselmann |
|
1674 | ee14d800 | Michael Hanselmann | """
|
1675 | ee14d800 | Michael Hanselmann | return dict([(node, self._UnlockedGetNodeInfo(node)) |
1676 | ee14d800 | Michael Hanselmann | for node in self._UnlockedGetNodeList()]) |
1677 | d65e5776 | Iustin Pop | |
1678 | 9d5b1371 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1679 | 9d5b1371 | Michael Hanselmann | def GetNodeGroupsFromNodes(self, nodes): |
1680 | 9d5b1371 | Michael Hanselmann | """Returns groups for a list of nodes.
|
1681 | 9d5b1371 | Michael Hanselmann |
|
1682 | 9d5b1371 | Michael Hanselmann | @type nodes: list of string
|
1683 | 9d5b1371 | Michael Hanselmann | @param nodes: List of node names
|
1684 | 9d5b1371 | Michael Hanselmann | @rtype: frozenset
|
1685 | 9d5b1371 | Michael Hanselmann |
|
1686 | 9d5b1371 | Michael Hanselmann | """
|
1687 | 9d5b1371 | Michael Hanselmann | return frozenset(self._UnlockedGetNodeInfo(name).group for name in nodes) |
1688 | 9d5b1371 | Michael Hanselmann | |
1689 | 23f06b2b | Iustin Pop | def _UnlockedGetMasterCandidateStats(self, exceptions=None): |
1690 | ec0292f1 | Iustin Pop | """Get the number of current and maximum desired and possible candidates.
|
1691 | ec0292f1 | Iustin Pop |
|
1692 | 23f06b2b | Iustin Pop | @type exceptions: list
|
1693 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
1694 | ec0292f1 | Iustin Pop | @rtype: tuple
|
1695 | e623dbe3 | Guido Trotter | @return: tuple of (current, desired and possible, possible)
|
1696 | ec0292f1 | Iustin Pop |
|
1697 | ec0292f1 | Iustin Pop | """
|
1698 | e623dbe3 | Guido Trotter | mc_now = mc_should = mc_max = 0
|
1699 | 23f06b2b | Iustin Pop | for node in self._config_data.nodes.values(): |
1700 | 23f06b2b | Iustin Pop | if exceptions and node.name in exceptions: |
1701 | 23f06b2b | Iustin Pop | continue
|
1702 | 490acd18 | Iustin Pop | if not (node.offline or node.drained) and node.master_capable: |
1703 | ec0292f1 | Iustin Pop | mc_max += 1
|
1704 | ec0292f1 | Iustin Pop | if node.master_candidate:
|
1705 | ec0292f1 | Iustin Pop | mc_now += 1
|
1706 | e623dbe3 | Guido Trotter | mc_should = min(mc_max, self._config_data.cluster.candidate_pool_size) |
1707 | e623dbe3 | Guido Trotter | return (mc_now, mc_should, mc_max)
|
1708 | ec0292f1 | Iustin Pop | |
1709 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1710 | 23f06b2b | Iustin Pop | def GetMasterCandidateStats(self, exceptions=None): |
1711 | ec0292f1 | Iustin Pop | """Get the number of current and maximum possible candidates.
|
1712 | ec0292f1 | Iustin Pop |
|
1713 | ec0292f1 | Iustin Pop | This is just a wrapper over L{_UnlockedGetMasterCandidateStats}.
|
1714 | ec0292f1 | Iustin Pop |
|
1715 | 23f06b2b | Iustin Pop | @type exceptions: list
|
1716 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
1717 | ec0292f1 | Iustin Pop | @rtype: tuple
|
1718 | ec0292f1 | Iustin Pop | @return: tuple of (current, max)
|
1719 | ec0292f1 | Iustin Pop |
|
1720 | ec0292f1 | Iustin Pop | """
|
1721 | 23f06b2b | Iustin Pop | return self._UnlockedGetMasterCandidateStats(exceptions) |
1722 | ec0292f1 | Iustin Pop | |
1723 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1724 | 44485f49 | Guido Trotter | def MaintainCandidatePool(self, exceptions): |
1725 | ec0292f1 | Iustin Pop | """Try to grow the candidate pool to the desired size.
|
1726 | ec0292f1 | Iustin Pop |
|
1727 | 44485f49 | Guido Trotter | @type exceptions: list
|
1728 | 44485f49 | Guido Trotter | @param exceptions: if passed, list of nodes that should be ignored
|
1729 | ec0292f1 | Iustin Pop | @rtype: list
|
1730 | ee513a66 | Iustin Pop | @return: list with the adjusted nodes (L{objects.Node} instances)
|
1731 | ec0292f1 | Iustin Pop |
|
1732 | ec0292f1 | Iustin Pop | """
|
1733 | 44485f49 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats(exceptions)
|
1734 | ec0292f1 | Iustin Pop | mod_list = [] |
1735 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
1736 | ec0292f1 | Iustin Pop | node_list = self._config_data.nodes.keys()
|
1737 | ec0292f1 | Iustin Pop | random.shuffle(node_list) |
1738 | ec0292f1 | Iustin Pop | for name in node_list: |
1739 | ec0292f1 | Iustin Pop | if mc_now >= mc_max:
|
1740 | ec0292f1 | Iustin Pop | break
|
1741 | ec0292f1 | Iustin Pop | node = self._config_data.nodes[name]
|
1742 | 44485f49 | Guido Trotter | if (node.master_candidate or node.offline or node.drained or |
1743 | 490acd18 | Iustin Pop | node.name in exceptions or not node.master_capable): |
1744 | ec0292f1 | Iustin Pop | continue
|
1745 | ee513a66 | Iustin Pop | mod_list.append(node) |
1746 | ec0292f1 | Iustin Pop | node.master_candidate = True
|
1747 | ec0292f1 | Iustin Pop | node.serial_no += 1
|
1748 | ec0292f1 | Iustin Pop | mc_now += 1
|
1749 | ec0292f1 | Iustin Pop | if mc_now != mc_max:
|
1750 | ec0292f1 | Iustin Pop | # this should not happen
|
1751 | ec0292f1 | Iustin Pop | logging.warning("Warning: MaintainCandidatePool didn't manage to"
|
1752 | ec0292f1 | Iustin Pop | " fill the candidate pool (%d/%d)", mc_now, mc_max)
|
1753 | ec0292f1 | Iustin Pop | if mod_list:
|
1754 | ec0292f1 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1755 | ec0292f1 | Iustin Pop | self._WriteConfig()
|
1756 | ec0292f1 | Iustin Pop | |
1757 | ec0292f1 | Iustin Pop | return mod_list
|
1758 | ec0292f1 | Iustin Pop | |
1759 | 190e3cb6 | Guido Trotter | def _UnlockedAddNodeToGroup(self, node_name, nodegroup_uuid): |
1760 | 190e3cb6 | Guido Trotter | """Add a given node to the specified group.
|
1761 | 190e3cb6 | Guido Trotter |
|
1762 | 190e3cb6 | Guido Trotter | """
|
1763 | 190e3cb6 | Guido Trotter | if nodegroup_uuid not in self._config_data.nodegroups: |
1764 | 190e3cb6 | Guido Trotter | # This can happen if a node group gets deleted between its lookup and
|
1765 | 190e3cb6 | Guido Trotter | # when we're adding the first node to it, since we don't keep a lock in
|
1766 | 190e3cb6 | Guido Trotter | # the meantime. It's ok though, as we'll fail cleanly if the node group
|
1767 | 190e3cb6 | Guido Trotter | # is not found anymore.
|
1768 | f936c153 | Iustin Pop | raise errors.OpExecError("Unknown node group: %s" % nodegroup_uuid) |
1769 | 190e3cb6 | Guido Trotter | if node_name not in self._config_data.nodegroups[nodegroup_uuid].members: |
1770 | 190e3cb6 | Guido Trotter | self._config_data.nodegroups[nodegroup_uuid].members.append(node_name)
|
1771 | 190e3cb6 | Guido Trotter | |
1772 | 190e3cb6 | Guido Trotter | def _UnlockedRemoveNodeFromGroup(self, node): |
1773 | 190e3cb6 | Guido Trotter | """Remove a given node from its group.
|
1774 | 190e3cb6 | Guido Trotter |
|
1775 | 190e3cb6 | Guido Trotter | """
|
1776 | f936c153 | Iustin Pop | nodegroup = node.group |
1777 | 190e3cb6 | Guido Trotter | if nodegroup not in self._config_data.nodegroups: |
1778 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' has unknown node group '%s'"
|
1779 | 190e3cb6 | Guido Trotter | " (while being removed from it)", node.name, nodegroup)
|
1780 | 190e3cb6 | Guido Trotter | nodegroup_obj = self._config_data.nodegroups[nodegroup]
|
1781 | 190e3cb6 | Guido Trotter | if node.name not in nodegroup_obj.members: |
1782 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' not a member of its node group '%s'"
|
1783 | 190e3cb6 | Guido Trotter | " (while being removed from it)", node.name, nodegroup)
|
1784 | 190e3cb6 | Guido Trotter | else:
|
1785 | 190e3cb6 | Guido Trotter | nodegroup_obj.members.remove(node.name) |
1786 | 190e3cb6 | Guido Trotter | |
1787 | 54c31fd3 | Michael Hanselmann | @locking.ssynchronized(_config_lock)
|
1788 | 54c31fd3 | Michael Hanselmann | def AssignGroupNodes(self, mods): |
1789 | 54c31fd3 | Michael Hanselmann | """Changes the group of a number of nodes.
|
1790 | 54c31fd3 | Michael Hanselmann |
|
1791 | 54c31fd3 | Michael Hanselmann | @type mods: list of tuples; (node name, new group UUID)
|
1792 | 1d4930b9 | Michael Hanselmann | @param mods: Node membership modifications
|
1793 | 54c31fd3 | Michael Hanselmann |
|
1794 | 54c31fd3 | Michael Hanselmann | """
|
1795 | 54c31fd3 | Michael Hanselmann | groups = self._config_data.nodegroups
|
1796 | 54c31fd3 | Michael Hanselmann | nodes = self._config_data.nodes
|
1797 | 54c31fd3 | Michael Hanselmann | |
1798 | 54c31fd3 | Michael Hanselmann | resmod = [] |
1799 | 54c31fd3 | Michael Hanselmann | |
1800 | 54c31fd3 | Michael Hanselmann | # Try to resolve names/UUIDs first
|
1801 | 54c31fd3 | Michael Hanselmann | for (node_name, new_group_uuid) in mods: |
1802 | 54c31fd3 | Michael Hanselmann | try:
|
1803 | 54c31fd3 | Michael Hanselmann | node = nodes[node_name] |
1804 | 54c31fd3 | Michael Hanselmann | except KeyError: |
1805 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find node '%s'" % node_name) |
1806 | 54c31fd3 | Michael Hanselmann | |
1807 | 54c31fd3 | Michael Hanselmann | if node.group == new_group_uuid:
|
1808 | 54c31fd3 | Michael Hanselmann | # Node is being assigned to its current group
|
1809 | 54c31fd3 | Michael Hanselmann | logging.debug("Node '%s' was assigned to its current group (%s)",
|
1810 | 54c31fd3 | Michael Hanselmann | node_name, node.group) |
1811 | 54c31fd3 | Michael Hanselmann | continue
|
1812 | 54c31fd3 | Michael Hanselmann | |
1813 | 54c31fd3 | Michael Hanselmann | # Try to find current group of node
|
1814 | 54c31fd3 | Michael Hanselmann | try:
|
1815 | 54c31fd3 | Michael Hanselmann | old_group = groups[node.group] |
1816 | 54c31fd3 | Michael Hanselmann | except KeyError: |
1817 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find old group '%s'" % |
1818 | 54c31fd3 | Michael Hanselmann | node.group) |
1819 | 54c31fd3 | Michael Hanselmann | |
1820 | 54c31fd3 | Michael Hanselmann | # Try to find new group for node
|
1821 | 54c31fd3 | Michael Hanselmann | try:
|
1822 | 54c31fd3 | Michael Hanselmann | new_group = groups[new_group_uuid] |
1823 | 54c31fd3 | Michael Hanselmann | except KeyError: |
1824 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find new group '%s'" % |
1825 | 54c31fd3 | Michael Hanselmann | new_group_uuid) |
1826 | 54c31fd3 | Michael Hanselmann | |
1827 | 54c31fd3 | Michael Hanselmann | assert node.name in old_group.members, \ |
1828 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' not listed in members for its"
|
1829 | 54c31fd3 | Michael Hanselmann | " old group '%s'" % (node.name, old_group.uuid))
|
1830 | 54c31fd3 | Michael Hanselmann | assert node.name not in new_group.members, \ |
1831 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' already listed in members for"
|
1832 | 54c31fd3 | Michael Hanselmann | " its new group '%s'" % (node.name, new_group.uuid))
|
1833 | 54c31fd3 | Michael Hanselmann | |
1834 | 54c31fd3 | Michael Hanselmann | resmod.append((node, old_group, new_group)) |
1835 | 54c31fd3 | Michael Hanselmann | |
1836 | 54c31fd3 | Michael Hanselmann | # Apply changes
|
1837 | 54c31fd3 | Michael Hanselmann | for (node, old_group, new_group) in resmod: |
1838 | 54c31fd3 | Michael Hanselmann | assert node.uuid != new_group.uuid and old_group.uuid != new_group.uuid, \ |
1839 | 54c31fd3 | Michael Hanselmann | "Assigning to current group is not possible"
|
1840 | 54c31fd3 | Michael Hanselmann | |
1841 | 54c31fd3 | Michael Hanselmann | node.group = new_group.uuid |
1842 | 54c31fd3 | Michael Hanselmann | |
1843 | 54c31fd3 | Michael Hanselmann | # Update members of involved groups
|
1844 | 54c31fd3 | Michael Hanselmann | if node.name in old_group.members: |
1845 | 54c31fd3 | Michael Hanselmann | old_group.members.remove(node.name) |
1846 | 54c31fd3 | Michael Hanselmann | if node.name not in new_group.members: |
1847 | 54c31fd3 | Michael Hanselmann | new_group.members.append(node.name) |
1848 | 54c31fd3 | Michael Hanselmann | |
1849 | 54c31fd3 | Michael Hanselmann | # Update timestamps and serials (only once per node/group object)
|
1850 | 54c31fd3 | Michael Hanselmann | now = time.time() |
1851 | 75191077 | Michael Hanselmann | for obj in frozenset(itertools.chain(*resmod)): # pylint: disable=W0142 |
1852 | 54c31fd3 | Michael Hanselmann | obj.serial_no += 1
|
1853 | 54c31fd3 | Michael Hanselmann | obj.mtime = now |
1854 | 54c31fd3 | Michael Hanselmann | |
1855 | 54c31fd3 | Michael Hanselmann | # Force ssconf update
|
1856 | 54c31fd3 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1857 | 54c31fd3 | Michael Hanselmann | |
1858 | 54c31fd3 | Michael Hanselmann | self._WriteConfig()
|
1859 | 54c31fd3 | Michael Hanselmann | |
1860 | a8083063 | Iustin Pop | def _BumpSerialNo(self): |
1861 | a8083063 | Iustin Pop | """Bump up the serial number of the config.
|
1862 | a8083063 | Iustin Pop |
|
1863 | a8083063 | Iustin Pop | """
|
1864 | 9d38c6e1 | Iustin Pop | self._config_data.serial_no += 1 |
1865 | d693c864 | Iustin Pop | self._config_data.mtime = time.time()
|
1866 | a8083063 | Iustin Pop | |
1867 | 76d5d3a3 | Iustin Pop | def _AllUUIDObjects(self): |
1868 | 76d5d3a3 | Iustin Pop | """Returns all objects with uuid attributes.
|
1869 | 76d5d3a3 | Iustin Pop |
|
1870 | 76d5d3a3 | Iustin Pop | """
|
1871 | 76d5d3a3 | Iustin Pop | return (self._config_data.instances.values() + |
1872 | 76d5d3a3 | Iustin Pop | self._config_data.nodes.values() +
|
1873 | 3df43542 | Guido Trotter | self._config_data.nodegroups.values() +
|
1874 | 76d5d3a3 | Iustin Pop | [self._config_data.cluster])
|
1875 | 76d5d3a3 | Iustin Pop | |
1876 | eb180fe2 | Iustin Pop | def _OpenConfig(self, accept_foreign): |
1877 | a8083063 | Iustin Pop | """Read the config data from disk.
|
1878 | a8083063 | Iustin Pop |
|
1879 | a8083063 | Iustin Pop | """
|
1880 | 13998ef2 | Michael Hanselmann | raw_data = utils.ReadFile(self._cfg_file)
|
1881 | 13998ef2 | Michael Hanselmann | |
1882 | a8083063 | Iustin Pop | try:
|
1883 | 13998ef2 | Michael Hanselmann | data = objects.ConfigData.FromDict(serializer.Load(raw_data)) |
1884 | 13998ef2 | Michael Hanselmann | except Exception, err: |
1885 | 13998ef2 | Michael Hanselmann | raise errors.ConfigurationError(err)
|
1886 | 5b263ed7 | Michael Hanselmann | |
1887 | 5b263ed7 | Michael Hanselmann | # Make sure the configuration has the right version
|
1888 | 5b263ed7 | Michael Hanselmann | _ValidateConfig(data) |
1889 | 5b263ed7 | Michael Hanselmann | |
1890 | 3ccb3a64 | Michael Hanselmann | if (not hasattr(data, "cluster") or |
1891 | 3ccb3a64 | Michael Hanselmann | not hasattr(data.cluster, "rsahostkeypub")): |
1892 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Incomplete configuration" |
1893 | 243cdbcc | Michael Hanselmann | " (missing cluster.rsahostkeypub)")
|
1894 | 90d726a8 | Iustin Pop | |
1895 | eb180fe2 | Iustin Pop | if data.cluster.master_node != self._my_hostname and not accept_foreign: |
1896 | eb180fe2 | Iustin Pop | msg = ("The configuration denotes node %s as master, while my"
|
1897 | eb180fe2 | Iustin Pop | " hostname is %s; opening a foreign configuration is only"
|
1898 | eb180fe2 | Iustin Pop | " possible in accept_foreign mode" %
|
1899 | eb180fe2 | Iustin Pop | (data.cluster.master_node, self._my_hostname))
|
1900 | eb180fe2 | Iustin Pop | raise errors.ConfigurationError(msg)
|
1901 | eb180fe2 | Iustin Pop | |
1902 | 90d726a8 | Iustin Pop | # Upgrade configuration if needed
|
1903 | 90d726a8 | Iustin Pop | data.UpgradeConfig() |
1904 | 90d726a8 | Iustin Pop | |
1905 | a8083063 | Iustin Pop | self._config_data = data
|
1906 | 3c7f6c44 | Iustin Pop | # reset the last serial as -1 so that the next write will cause
|
1907 | 0779e3aa | Iustin Pop | # ssconf update
|
1908 | 0779e3aa | Iustin Pop | self._last_cluster_serial = -1 |
1909 | a8083063 | Iustin Pop | |
1910 | 76d5d3a3 | Iustin Pop | # And finally run our (custom) config upgrade sequence
|
1911 | 76d5d3a3 | Iustin Pop | self._UpgradeConfig()
|
1912 | 76d5d3a3 | Iustin Pop | |
1913 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(path=self._cfg_file) |
1914 | bd407597 | Iustin Pop | |
1915 | 76d5d3a3 | Iustin Pop | def _UpgradeConfig(self): |
1916 | 76d5d3a3 | Iustin Pop | """Run upgrade steps that cannot be done purely in the objects.
|
1917 | 76d5d3a3 | Iustin Pop |
|
1918 | 76d5d3a3 | Iustin Pop | This is because some data elements need uniqueness across the
|
1919 | 76d5d3a3 | Iustin Pop | whole configuration, etc.
|
1920 | 76d5d3a3 | Iustin Pop |
|
1921 | 111c4e2f | Guido Trotter | @warning: this function will call L{_WriteConfig()}, but also
|
1922 | 111c4e2f | Guido Trotter | L{DropECReservations} so it needs to be called only from a
|
1923 | 111c4e2f | Guido Trotter | "safe" place (the constructor). If one wanted to call it with
|
1924 | 111c4e2f | Guido Trotter | the lock held, a DropECReservationUnlocked would need to be
|
1925 | 111c4e2f | Guido Trotter | created first, to avoid causing deadlock.
|
1926 | 76d5d3a3 | Iustin Pop |
|
1927 | 76d5d3a3 | Iustin Pop | """
|
1928 | 76d5d3a3 | Iustin Pop | modified = False
|
1929 | 76d5d3a3 | Iustin Pop | for item in self._AllUUIDObjects(): |
1930 | 76d5d3a3 | Iustin Pop | if item.uuid is None: |
1931 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(_UPGRADE_CONFIG_JID)
|
1932 | 76d5d3a3 | Iustin Pop | modified = True
|
1933 | f9e81396 | Guido Trotter | if not self._config_data.nodegroups: |
1934 | 75cf411a | Adeodato Simo | default_nodegroup_name = constants.INITIAL_NODE_GROUP_NAME |
1935 | 75cf411a | Adeodato Simo | default_nodegroup = objects.NodeGroup(name=default_nodegroup_name, |
1936 | 75cf411a | Adeodato Simo | members=[]) |
1937 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(default_nodegroup, _UPGRADE_CONFIG_JID, True) |
1938 | f9e81396 | Guido Trotter | modified = True
|
1939 | 190e3cb6 | Guido Trotter | for node in self._config_data.nodes.values(): |
1940 | f936c153 | Iustin Pop | if not node.group: |
1941 | f936c153 | Iustin Pop | node.group = self.LookupNodeGroup(None) |
1942 | 190e3cb6 | Guido Trotter | modified = True
|
1943 | 190e3cb6 | Guido Trotter | # This is technically *not* an upgrade, but needs to be done both when
|
1944 | 190e3cb6 | Guido Trotter | # nodegroups are being added, and upon normally loading the config,
|
1945 | 190e3cb6 | Guido Trotter | # because the members list of a node group is discarded upon
|
1946 | 190e3cb6 | Guido Trotter | # serializing/deserializing the object.
|
1947 | f936c153 | Iustin Pop | self._UnlockedAddNodeToGroup(node.name, node.group)
|
1948 | 76d5d3a3 | Iustin Pop | if modified:
|
1949 | 76d5d3a3 | Iustin Pop | self._WriteConfig()
|
1950 | 4fae38c5 | Guido Trotter | # This is ok even if it acquires the internal lock, as _UpgradeConfig is
|
1951 | 4fae38c5 | Guido Trotter | # only called at config init time, without the lock held
|
1952 | 4fae38c5 | Guido Trotter | self.DropECReservations(_UPGRADE_CONFIG_JID)
|
1953 | 4fae38c5 | Guido Trotter | |
1954 | a4eae71f | Michael Hanselmann | def _DistributeConfig(self, feedback_fn): |
1955 | a8083063 | Iustin Pop | """Distribute the configuration to the other nodes.
|
1956 | a8083063 | Iustin Pop |
|
1957 | a8083063 | Iustin Pop | Currently, this only copies the configuration file. In the future,
|
1958 | a8083063 | Iustin Pop | it could be used to encapsulate the 2/3-phase update mechanism.
|
1959 | a8083063 | Iustin Pop |
|
1960 | a8083063 | Iustin Pop | """
|
1961 | a8083063 | Iustin Pop | if self._offline: |
1962 | a8083063 | Iustin Pop | return True |
1963 | a4eae71f | Michael Hanselmann | |
1964 | a8083063 | Iustin Pop | bad = False
|
1965 | a8083063 | Iustin Pop | |
1966 | 6a5b8b4b | Iustin Pop | node_list = [] |
1967 | 6a5b8b4b | Iustin Pop | addr_list = [] |
1968 | 6a5b8b4b | Iustin Pop | myhostname = self._my_hostname
|
1969 | 6b294c53 | Iustin Pop | # we can skip checking whether _UnlockedGetNodeInfo returns None
|
1970 | 6b294c53 | Iustin Pop | # since the node list comes from _UnlocketGetNodeList, and we are
|
1971 | 6b294c53 | Iustin Pop | # called with the lock held, so no modifications should take place
|
1972 | 6b294c53 | Iustin Pop | # in between
|
1973 | 6a5b8b4b | Iustin Pop | for node_name in self._UnlockedGetNodeList(): |
1974 | 6a5b8b4b | Iustin Pop | if node_name == myhostname:
|
1975 | 6a5b8b4b | Iustin Pop | continue
|
1976 | 6a5b8b4b | Iustin Pop | node_info = self._UnlockedGetNodeInfo(node_name)
|
1977 | 6a5b8b4b | Iustin Pop | if not node_info.master_candidate: |
1978 | 6a5b8b4b | Iustin Pop | continue
|
1979 | 6a5b8b4b | Iustin Pop | node_list.append(node_info.name) |
1980 | 6a5b8b4b | Iustin Pop | addr_list.append(node_info.primary_ip) |
1981 | 6b294c53 | Iustin Pop | |
1982 | 415a7304 | Michael Hanselmann | # TODO: Use dedicated resolver talking to config writer for name resolution
|
1983 | 415a7304 | Michael Hanselmann | result = \ |
1984 | b2acdbdc | Michael Hanselmann | self._GetRpc(addr_list).call_upload_file(node_list, self._cfg_file) |
1985 | 1b54fc6c | Guido Trotter | for to_node, to_result in result.items(): |
1986 | 3cebe102 | Michael Hanselmann | msg = to_result.fail_msg |
1987 | 1b54fc6c | Guido Trotter | if msg:
|
1988 | 1b54fc6c | Guido Trotter | msg = ("Copy of file %s to node %s failed: %s" %
|
1989 | dd7db360 | Iustin Pop | (self._cfg_file, to_node, msg))
|
1990 | 1b54fc6c | Guido Trotter | logging.error(msg) |
1991 | a4eae71f | Michael Hanselmann | |
1992 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
1993 | a4eae71f | Michael Hanselmann | feedback_fn(msg) |
1994 | a4eae71f | Michael Hanselmann | |
1995 | a8083063 | Iustin Pop | bad = True
|
1996 | a4eae71f | Michael Hanselmann | |
1997 | a8083063 | Iustin Pop | return not bad |
1998 | a8083063 | Iustin Pop | |
1999 | a4eae71f | Michael Hanselmann | def _WriteConfig(self, destination=None, feedback_fn=None): |
2000 | a8083063 | Iustin Pop | """Write the configuration data to persistent storage.
|
2001 | a8083063 | Iustin Pop |
|
2002 | a8083063 | Iustin Pop | """
|
2003 | a4eae71f | Michael Hanselmann | assert feedback_fn is None or callable(feedback_fn) |
2004 | a4eae71f | Michael Hanselmann | |
2005 | d2231b8c | Iustin Pop | # Warn on config errors, but don't abort the save - the
|
2006 | d2231b8c | Iustin Pop | # configuration has already been modified, and we can't revert;
|
2007 | d2231b8c | Iustin Pop | # the best we can do is to warn the user and save as is, leaving
|
2008 | d2231b8c | Iustin Pop | # recovery to the user
|
2009 | 4a89c54a | Iustin Pop | config_errors = self._UnlockedVerifyConfig()
|
2010 | 4a89c54a | Iustin Pop | if config_errors:
|
2011 | d2231b8c | Iustin Pop | errmsg = ("Configuration data is not consistent: %s" %
|
2012 | 1f864b60 | Iustin Pop | (utils.CommaJoin(config_errors))) |
2013 | d2231b8c | Iustin Pop | logging.critical(errmsg) |
2014 | d2231b8c | Iustin Pop | if feedback_fn:
|
2015 | d2231b8c | Iustin Pop | feedback_fn(errmsg) |
2016 | d2231b8c | Iustin Pop | |
2017 | a8083063 | Iustin Pop | if destination is None: |
2018 | a8083063 | Iustin Pop | destination = self._cfg_file
|
2019 | a8083063 | Iustin Pop | self._BumpSerialNo()
|
2020 | 8d14b30d | Iustin Pop | txt = serializer.Dump(self._config_data.ToDict())
|
2021 | 13998ef2 | Michael Hanselmann | |
2022 | e60c73a1 | René Nussbaumer | getents = self._getents()
|
2023 | bd407597 | Iustin Pop | try:
|
2024 | bd407597 | Iustin Pop | fd = utils.SafeWriteFile(destination, self._cfg_id, data=txt,
|
2025 | bd407597 | Iustin Pop | close=False, gid=getents.confd_gid, mode=0640) |
2026 | bd407597 | Iustin Pop | except errors.LockError:
|
2027 | bd407597 | Iustin Pop | raise errors.ConfigurationError("The configuration file has been" |
2028 | bd407597 | Iustin Pop | " modified since the last write, cannot"
|
2029 | bd407597 | Iustin Pop | " update")
|
2030 | bd407597 | Iustin Pop | try:
|
2031 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(fd=fd)
|
2032 | bd407597 | Iustin Pop | finally:
|
2033 | bd407597 | Iustin Pop | os.close(fd) |
2034 | 13998ef2 | Michael Hanselmann | |
2035 | 14e15659 | Iustin Pop | self.write_count += 1 |
2036 | 3d3a04bc | Iustin Pop | |
2037 | f56618e0 | Iustin Pop | # and redistribute the config file to master candidates
|
2038 | a4eae71f | Michael Hanselmann | self._DistributeConfig(feedback_fn)
|
2039 | a8083063 | Iustin Pop | |
2040 | 54d1a06e | Michael Hanselmann | # Write ssconf files on all nodes (including locally)
|
2041 | 0779e3aa | Iustin Pop | if self._last_cluster_serial < self._config_data.cluster.serial_no: |
2042 | d9a855f1 | Michael Hanselmann | if not self._offline: |
2043 | b2acdbdc | Michael Hanselmann | result = self._GetRpc(None).call_write_ssconf_files( |
2044 | 6819dc49 | Iustin Pop | self._UnlockedGetOnlineNodeList(),
|
2045 | e1e75d00 | Iustin Pop | self._UnlockedGetSsconfValues())
|
2046 | a4eae71f | Michael Hanselmann | |
2047 | e1e75d00 | Iustin Pop | for nname, nresu in result.items(): |
2048 | 3cebe102 | Michael Hanselmann | msg = nresu.fail_msg |
2049 | e1e75d00 | Iustin Pop | if msg:
|
2050 | a4eae71f | Michael Hanselmann | errmsg = ("Error while uploading ssconf files to"
|
2051 | a4eae71f | Michael Hanselmann | " node %s: %s" % (nname, msg))
|
2052 | a4eae71f | Michael Hanselmann | logging.warning(errmsg) |
2053 | a4eae71f | Michael Hanselmann | |
2054 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
2055 | a4eae71f | Michael Hanselmann | feedback_fn(errmsg) |
2056 | a4eae71f | Michael Hanselmann | |
2057 | 0779e3aa | Iustin Pop | self._last_cluster_serial = self._config_data.cluster.serial_no |
2058 | 54d1a06e | Michael Hanselmann | |
2059 | 03d1dba2 | Michael Hanselmann | def _UnlockedGetSsconfValues(self): |
2060 | 054596f0 | Iustin Pop | """Return the values needed by ssconf.
|
2061 | 054596f0 | Iustin Pop |
|
2062 | 054596f0 | Iustin Pop | @rtype: dict
|
2063 | 054596f0 | Iustin Pop | @return: a dictionary with keys the ssconf names and values their
|
2064 | 054596f0 | Iustin Pop | associated value
|
2065 | 054596f0 | Iustin Pop |
|
2066 | 054596f0 | Iustin Pop | """
|
2067 | a3316e4a | Iustin Pop | fn = "\n".join
|
2068 | 81a49123 | Iustin Pop | instance_names = utils.NiceSort(self._UnlockedGetInstanceList())
|
2069 | a3316e4a | Iustin Pop | node_names = utils.NiceSort(self._UnlockedGetNodeList())
|
2070 | a3316e4a | Iustin Pop | node_info = [self._UnlockedGetNodeInfo(name) for name in node_names] |
2071 | c3029d0a | Luca Bigliardi | node_pri_ips = ["%s %s" % (ninfo.name, ninfo.primary_ip)
|
2072 | 5909fb97 | Luca Bigliardi | for ninfo in node_info] |
2073 | c3029d0a | Luca Bigliardi | node_snd_ips = ["%s %s" % (ninfo.name, ninfo.secondary_ip)
|
2074 | 5909fb97 | Luca Bigliardi | for ninfo in node_info] |
2075 | a3316e4a | Iustin Pop | |
2076 | 81a49123 | Iustin Pop | instance_data = fn(instance_names) |
2077 | a3316e4a | Iustin Pop | off_data = fn(node.name for node in node_info if node.offline) |
2078 | 81a49123 | Iustin Pop | on_data = fn(node.name for node in node_info if not node.offline) |
2079 | a3316e4a | Iustin Pop | mc_data = fn(node.name for node in node_info if node.master_candidate) |
2080 | 8113a52e | Luca Bigliardi | mc_ips_data = fn(node.primary_ip for node in node_info |
2081 | 8113a52e | Luca Bigliardi | if node.master_candidate)
|
2082 | a3316e4a | Iustin Pop | node_data = fn(node_names) |
2083 | f9780ccd | Luca Bigliardi | node_pri_ips_data = fn(node_pri_ips) |
2084 | f9780ccd | Luca Bigliardi | node_snd_ips_data = fn(node_snd_ips) |
2085 | f56618e0 | Iustin Pop | |
2086 | 054596f0 | Iustin Pop | cluster = self._config_data.cluster
|
2087 | 5d60b3bd | Iustin Pop | cluster_tags = fn(cluster.GetTags()) |
2088 | 4f7a6a10 | Iustin Pop | |
2089 | 4f7a6a10 | Iustin Pop | hypervisor_list = fn(cluster.enabled_hypervisors) |
2090 | 4f7a6a10 | Iustin Pop | |
2091 | 0fbae49a | Balazs Lecz | uid_pool = uidpool.FormatUidPool(cluster.uid_pool, separator="\n")
|
2092 | 0fbae49a | Balazs Lecz | |
2093 | 6f076453 | Guido Trotter | nodegroups = ["%s %s" % (nodegroup.uuid, nodegroup.name) for nodegroup in |
2094 | 6f076453 | Guido Trotter | self._config_data.nodegroups.values()]
|
2095 | 6f076453 | Guido Trotter | nodegroups_data = fn(utils.NiceSort(nodegroups)) |
2096 | 6f076453 | Guido Trotter | |
2097 | 2afc9238 | Iustin Pop | ssconf_values = { |
2098 | 054596f0 | Iustin Pop | constants.SS_CLUSTER_NAME: cluster.cluster_name, |
2099 | 5d60b3bd | Iustin Pop | constants.SS_CLUSTER_TAGS: cluster_tags, |
2100 | 054596f0 | Iustin Pop | constants.SS_FILE_STORAGE_DIR: cluster.file_storage_dir, |
2101 | 4b97f902 | Apollon Oikonomopoulos | constants.SS_SHARED_FILE_STORAGE_DIR: cluster.shared_file_storage_dir, |
2102 | a3316e4a | Iustin Pop | constants.SS_MASTER_CANDIDATES: mc_data, |
2103 | 8113a52e | Luca Bigliardi | constants.SS_MASTER_CANDIDATES_IPS: mc_ips_data, |
2104 | 054596f0 | Iustin Pop | constants.SS_MASTER_IP: cluster.master_ip, |
2105 | 054596f0 | Iustin Pop | constants.SS_MASTER_NETDEV: cluster.master_netdev, |
2106 | 5a8648eb | Andrea Spadaccini | constants.SS_MASTER_NETMASK: str(cluster.master_netmask),
|
2107 | 054596f0 | Iustin Pop | constants.SS_MASTER_NODE: cluster.master_node, |
2108 | a3316e4a | Iustin Pop | constants.SS_NODE_LIST: node_data, |
2109 | f9780ccd | Luca Bigliardi | constants.SS_NODE_PRIMARY_IPS: node_pri_ips_data, |
2110 | f9780ccd | Luca Bigliardi | constants.SS_NODE_SECONDARY_IPS: node_snd_ips_data, |
2111 | a3316e4a | Iustin Pop | constants.SS_OFFLINE_NODES: off_data, |
2112 | 81a49123 | Iustin Pop | constants.SS_ONLINE_NODES: on_data, |
2113 | 868a98ca | Manuel Franceschini | constants.SS_PRIMARY_IP_FAMILY: str(cluster.primary_ip_family),
|
2114 | 81a49123 | Iustin Pop | constants.SS_INSTANCE_LIST: instance_data, |
2115 | 8a113c7a | Iustin Pop | constants.SS_RELEASE_VERSION: constants.RELEASE_VERSION, |
2116 | 4f7a6a10 | Iustin Pop | constants.SS_HYPERVISOR_LIST: hypervisor_list, |
2117 | 5c465a95 | Iustin Pop | constants.SS_MAINTAIN_NODE_HEALTH: str(cluster.maintain_node_health),
|
2118 | 0fbae49a | Balazs Lecz | constants.SS_UID_POOL: uid_pool, |
2119 | 6f076453 | Guido Trotter | constants.SS_NODEGROUPS: nodegroups_data, |
2120 | 03d1dba2 | Michael Hanselmann | } |
2121 | 2afc9238 | Iustin Pop | bad_values = [(k, v) for k, v in ssconf_values.items() |
2122 | 2afc9238 | Iustin Pop | if not isinstance(v, (str, basestring))] |
2123 | 2afc9238 | Iustin Pop | if bad_values:
|
2124 | 2afc9238 | Iustin Pop | err = utils.CommaJoin("%s=%s" % (k, v) for k, v in bad_values) |
2125 | 2afc9238 | Iustin Pop | raise errors.ConfigurationError("Some ssconf key(s) have non-string" |
2126 | 2afc9238 | Iustin Pop | " values: %s" % err)
|
2127 | 2afc9238 | Iustin Pop | return ssconf_values
|
2128 | 03d1dba2 | Michael Hanselmann | |
2129 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2130 | d367b66c | Manuel Franceschini | def GetSsconfValues(self): |
2131 | d367b66c | Manuel Franceschini | """Wrapper using lock around _UnlockedGetSsconf().
|
2132 | d367b66c | Manuel Franceschini |
|
2133 | d367b66c | Manuel Franceschini | """
|
2134 | d367b66c | Manuel Franceschini | return self._UnlockedGetSsconfValues() |
2135 | d367b66c | Manuel Franceschini | |
2136 | d367b66c | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
2137 | a8083063 | Iustin Pop | def GetVGName(self): |
2138 | a8083063 | Iustin Pop | """Return the volume group name.
|
2139 | a8083063 | Iustin Pop |
|
2140 | a8083063 | Iustin Pop | """
|
2141 | a8083063 | Iustin Pop | return self._config_data.cluster.volume_group_name |
2142 | a8083063 | Iustin Pop | |
2143 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2144 | 89ff8e15 | Manuel Franceschini | def SetVGName(self, vg_name): |
2145 | 89ff8e15 | Manuel Franceschini | """Set the volume group name.
|
2146 | 89ff8e15 | Manuel Franceschini |
|
2147 | 89ff8e15 | Manuel Franceschini | """
|
2148 | 2d4011cd | Manuel Franceschini | self._config_data.cluster.volume_group_name = vg_name
|
2149 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2150 | 89ff8e15 | Manuel Franceschini | self._WriteConfig()
|
2151 | 89ff8e15 | Manuel Franceschini | |
2152 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2153 | 9e33896b | Luca Bigliardi | def GetDRBDHelper(self): |
2154 | 9e33896b | Luca Bigliardi | """Return DRBD usermode helper.
|
2155 | 9e33896b | Luca Bigliardi |
|
2156 | 9e33896b | Luca Bigliardi | """
|
2157 | 9e33896b | Luca Bigliardi | return self._config_data.cluster.drbd_usermode_helper |
2158 | 9e33896b | Luca Bigliardi | |
2159 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock)
|
2160 | 9e33896b | Luca Bigliardi | def SetDRBDHelper(self, drbd_helper): |
2161 | 9e33896b | Luca Bigliardi | """Set DRBD usermode helper.
|
2162 | 9e33896b | Luca Bigliardi |
|
2163 | 9e33896b | Luca Bigliardi | """
|
2164 | 9e33896b | Luca Bigliardi | self._config_data.cluster.drbd_usermode_helper = drbd_helper
|
2165 | 9e33896b | Luca Bigliardi | self._config_data.cluster.serial_no += 1 |
2166 | 9e33896b | Luca Bigliardi | self._WriteConfig()
|
2167 | 9e33896b | Luca Bigliardi | |
2168 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2169 | a8083063 | Iustin Pop | def GetMACPrefix(self): |
2170 | a8083063 | Iustin Pop | """Return the mac prefix.
|
2171 | a8083063 | Iustin Pop |
|
2172 | a8083063 | Iustin Pop | """
|
2173 | a8083063 | Iustin Pop | return self._config_data.cluster.mac_prefix |
2174 | 62779dd0 | Iustin Pop | |
2175 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2176 | 62779dd0 | Iustin Pop | def GetClusterInfo(self): |
2177 | 5bbd3f7f | Michael Hanselmann | """Returns information about the cluster
|
2178 | 62779dd0 | Iustin Pop |
|
2179 | c41eea6e | Iustin Pop | @rtype: L{objects.Cluster}
|
2180 | c41eea6e | Iustin Pop | @return: the cluster object
|
2181 | 62779dd0 | Iustin Pop |
|
2182 | 62779dd0 | Iustin Pop | """
|
2183 | 62779dd0 | Iustin Pop | return self._config_data.cluster |
2184 | e00fb268 | Iustin Pop | |
2185 | 51cb1581 | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2186 | 51cb1581 | Luca Bigliardi | def HasAnyDiskOfType(self, dev_type): |
2187 | 51cb1581 | Luca Bigliardi | """Check if in there is at disk of the given type in the configuration.
|
2188 | 51cb1581 | Luca Bigliardi |
|
2189 | 51cb1581 | Luca Bigliardi | """
|
2190 | 51cb1581 | Luca Bigliardi | return self._config_data.HasAnyDiskOfType(dev_type) |
2191 | 51cb1581 | Luca Bigliardi | |
2192 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2193 | a4eae71f | Michael Hanselmann | def Update(self, target, feedback_fn): |
2194 | e00fb268 | Iustin Pop | """Notify function to be called after updates.
|
2195 | e00fb268 | Iustin Pop |
|
2196 | e00fb268 | Iustin Pop | This function must be called when an object (as returned by
|
2197 | e00fb268 | Iustin Pop | GetInstanceInfo, GetNodeInfo, GetCluster) has been updated and the
|
2198 | e00fb268 | Iustin Pop | caller wants the modifications saved to the backing store. Note
|
2199 | e00fb268 | Iustin Pop | that all modified objects will be saved, but the target argument
|
2200 | e00fb268 | Iustin Pop | is the one the caller wants to ensure that it's saved.
|
2201 | e00fb268 | Iustin Pop |
|
2202 | c41eea6e | Iustin Pop | @param target: an instance of either L{objects.Cluster},
|
2203 | c41eea6e | Iustin Pop | L{objects.Node} or L{objects.Instance} which is existing in
|
2204 | c41eea6e | Iustin Pop | the cluster
|
2205 | a4eae71f | Michael Hanselmann | @param feedback_fn: Callable feedback function
|
2206 | c41eea6e | Iustin Pop |
|
2207 | e00fb268 | Iustin Pop | """
|
2208 | e00fb268 | Iustin Pop | if self._config_data is None: |
2209 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Configuration file not read," |
2210 | 3ecf6786 | Iustin Pop | " cannot save.")
|
2211 | f34901f8 | Iustin Pop | update_serial = False
|
2212 | e00fb268 | Iustin Pop | if isinstance(target, objects.Cluster): |
2213 | e00fb268 | Iustin Pop | test = target == self._config_data.cluster
|
2214 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Node): |
2215 | e00fb268 | Iustin Pop | test = target in self._config_data.nodes.values() |
2216 | f34901f8 | Iustin Pop | update_serial = True
|
2217 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Instance): |
2218 | e00fb268 | Iustin Pop | test = target in self._config_data.instances.values() |
2219 | e11a1b77 | Adeodato Simo | elif isinstance(target, objects.NodeGroup): |
2220 | e11a1b77 | Adeodato Simo | test = target in self._config_data.nodegroups.values() |
2221 | e00fb268 | Iustin Pop | else:
|
2222 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid object type (%s) passed to" |
2223 | 3ecf6786 | Iustin Pop | " ConfigWriter.Update" % type(target)) |
2224 | e00fb268 | Iustin Pop | if not test: |
2225 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Configuration updated since object" |
2226 | 3ecf6786 | Iustin Pop | " has been read or unknown object")
|
2227 | f34901f8 | Iustin Pop | target.serial_no += 1
|
2228 | d693c864 | Iustin Pop | target.mtime = now = time.time() |
2229 | f34901f8 | Iustin Pop | |
2230 | cff4c037 | Iustin Pop | if update_serial:
|
2231 | f34901f8 | Iustin Pop | # for node updates, we need to increase the cluster serial too
|
2232 | f34901f8 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2233 | d693c864 | Iustin Pop | self._config_data.cluster.mtime = now
|
2234 | b989e85d | Iustin Pop | |
2235 | 61cf6b5e | Iustin Pop | if isinstance(target, objects.Instance): |
2236 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(target.name)
|
2237 | 61cf6b5e | Iustin Pop | |
2238 | a4eae71f | Michael Hanselmann | self._WriteConfig(feedback_fn=feedback_fn)
|
2239 | 73064714 | Guido Trotter | |
2240 | 73064714 | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2241 | 73064714 | Guido Trotter | def DropECReservations(self, ec_id): |
2242 | 73064714 | Guido Trotter | """Drop per-execution-context reservations
|
2243 | 73064714 | Guido Trotter |
|
2244 | 73064714 | Guido Trotter | """
|
2245 | d8aee57e | Iustin Pop | for rm in self._all_rms: |
2246 | d8aee57e | Iustin Pop | rm.DropECReservations(ec_id) |