root / lib / config.py @ 1a2eb2dc
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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | 12378fe3 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | a8083063 | Iustin Pop | """Configuration management for Ganeti
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23 | a8083063 | Iustin Pop |
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24 | 319856a9 | Michael Hanselmann | This module provides the interface to the Ganeti cluster configuration.
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25 | a8083063 | Iustin Pop |
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26 | 319856a9 | Michael Hanselmann | The configuration data is stored on every node but is updated on the master
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27 | 319856a9 | Michael Hanselmann | only. After each update, the master distributes the data to the other nodes.
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28 | a8083063 | Iustin Pop |
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29 | 319856a9 | Michael Hanselmann | Currently, the data storage format is JSON. YAML was slow and consuming too
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30 | 319856a9 | Michael Hanselmann | much memory.
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31 | a8083063 | Iustin Pop |
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32 | a8083063 | Iustin Pop | """
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33 | a8083063 | Iustin Pop | |
34 | b459a848 | Andrea Spadaccini | # pylint: disable=R0904
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35 | d367b66c | Manuel Franceschini | # R0904: Too many public methods
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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 | 57407093 | Michael Hanselmann | from ganeti import pathutils |
54 | 243cdbcc | Michael Hanselmann | |
55 | 243cdbcc | Michael Hanselmann | |
56 | 7f93570a | Iustin Pop | _config_lock = locking.SharedLock("ConfigWriter")
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57 | f78ede4e | Guido Trotter | |
58 | 4fae38c5 | Guido Trotter | # job id used for resource management at config upgrade time
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59 | 8d9c3bef | Michael Hanselmann | _UPGRADE_CONFIG_JID = "jid-cfg-upgrade"
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60 | 4fae38c5 | Guido Trotter | |
61 | f78ede4e | Guido Trotter | |
62 | 5b263ed7 | Michael Hanselmann | def _ValidateConfig(data): |
63 | c41eea6e | Iustin Pop | """Verifies that a configuration objects looks valid.
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64 | c41eea6e | Iustin Pop |
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65 | c41eea6e | Iustin Pop | This only verifies the version of the configuration.
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66 | c41eea6e | Iustin Pop |
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67 | c41eea6e | Iustin Pop | @raise errors.ConfigurationError: if the version differs from what
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68 | c41eea6e | Iustin Pop | we expect
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69 | c41eea6e | Iustin Pop |
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70 | c41eea6e | Iustin Pop | """
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71 | 5b263ed7 | Michael Hanselmann | if data.version != constants.CONFIG_VERSION:
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72 | 4b63dc7a | Iustin Pop | raise errors.ConfigVersionMismatch(constants.CONFIG_VERSION, data.version)
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73 | a8083063 | Iustin Pop | |
74 | 319856a9 | Michael Hanselmann | |
75 | 013da361 | Guido Trotter | class TemporaryReservationManager: |
76 | 013da361 | Guido Trotter | """A temporary resource reservation manager.
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77 | 013da361 | Guido Trotter |
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78 | 013da361 | Guido Trotter | This is used to reserve resources in a job, before using them, making sure
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79 | 013da361 | Guido Trotter | other jobs cannot get them in the meantime.
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80 | 013da361 | Guido Trotter |
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81 | 013da361 | Guido Trotter | """
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82 | 013da361 | Guido Trotter | def __init__(self): |
83 | 013da361 | Guido Trotter | self._ec_reserved = {}
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84 | 013da361 | Guido Trotter | |
85 | 013da361 | Guido Trotter | def Reserved(self, resource): |
86 | a7359d91 | David Knowles | for holder_reserved in self._ec_reserved.values(): |
87 | 013da361 | Guido Trotter | if resource in holder_reserved: |
88 | 013da361 | Guido Trotter | return True |
89 | 013da361 | Guido Trotter | return False |
90 | 013da361 | Guido Trotter | |
91 | 013da361 | Guido Trotter | def Reserve(self, ec_id, resource): |
92 | 013da361 | Guido Trotter | if self.Reserved(resource): |
93 | 28a7318f | Iustin Pop | raise errors.ReservationError("Duplicate reservation for resource '%s'" |
94 | 28a7318f | Iustin Pop | % str(resource))
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95 | 013da361 | Guido Trotter | if ec_id not in self._ec_reserved: |
96 | 013da361 | Guido Trotter | self._ec_reserved[ec_id] = set([resource]) |
97 | 013da361 | Guido Trotter | else:
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98 | 013da361 | Guido Trotter | self._ec_reserved[ec_id].add(resource)
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99 | 013da361 | Guido Trotter | |
100 | 013da361 | Guido Trotter | def DropECReservations(self, ec_id): |
101 | 013da361 | Guido Trotter | if ec_id in self._ec_reserved: |
102 | 013da361 | Guido Trotter | del self._ec_reserved[ec_id] |
103 | 013da361 | Guido Trotter | |
104 | 013da361 | Guido Trotter | def GetReserved(self): |
105 | 013da361 | Guido Trotter | all_reserved = set()
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106 | 013da361 | Guido Trotter | for holder_reserved in self._ec_reserved.values(): |
107 | 013da361 | Guido Trotter | all_reserved.update(holder_reserved) |
108 | 013da361 | Guido Trotter | return all_reserved
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109 | 013da361 | Guido Trotter | |
110 | 013da361 | Guido Trotter | def Generate(self, existing, generate_one_fn, ec_id): |
111 | 013da361 | Guido Trotter | """Generate a new resource of this type
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112 | 013da361 | Guido Trotter |
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113 | 013da361 | Guido Trotter | """
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114 | 013da361 | Guido Trotter | assert callable(generate_one_fn) |
115 | 013da361 | Guido Trotter | |
116 | 013da361 | Guido Trotter | all_elems = self.GetReserved()
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117 | 013da361 | Guido Trotter | all_elems.update(existing) |
118 | 013da361 | Guido Trotter | retries = 64
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119 | 013da361 | Guido Trotter | while retries > 0: |
120 | 013da361 | Guido Trotter | new_resource = generate_one_fn() |
121 | 013da361 | Guido Trotter | if new_resource is not None and new_resource not in all_elems: |
122 | 013da361 | Guido Trotter | break
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123 | 013da361 | Guido Trotter | else:
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124 | 013da361 | Guido Trotter | raise errors.ConfigurationError("Not able generate new resource" |
125 | 013da361 | Guido Trotter | " (last tried: %s)" % new_resource)
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126 | 013da361 | Guido Trotter | self.Reserve(ec_id, new_resource)
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127 | 013da361 | Guido Trotter | return new_resource
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128 | 013da361 | Guido Trotter | |
129 | 013da361 | Guido Trotter | |
130 | fe698b38 | Michael Hanselmann | def _MatchNameComponentIgnoreCase(short_name, names): |
131 | 3a93eebb | Michael Hanselmann | """Wrapper around L{utils.text.MatchNameComponent}.
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132 | fe698b38 | Michael Hanselmann |
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133 | fe698b38 | Michael Hanselmann | """
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134 | fe698b38 | Michael Hanselmann | return utils.MatchNameComponent(short_name, names, case_sensitive=False) |
135 | fe698b38 | Michael Hanselmann | |
136 | fe698b38 | Michael Hanselmann | |
137 | 82c54b5b | Michael Hanselmann | def _CheckInstanceDiskIvNames(disks): |
138 | 82c54b5b | Michael Hanselmann | """Checks if instance's disks' C{iv_name} attributes are in order.
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139 | 82c54b5b | Michael Hanselmann |
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140 | 82c54b5b | Michael Hanselmann | @type disks: list of L{objects.Disk}
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141 | 82c54b5b | Michael Hanselmann | @param disks: List of disks
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142 | 82c54b5b | Michael Hanselmann | @rtype: list of tuples; (int, string, string)
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143 | 82c54b5b | Michael Hanselmann | @return: List of wrongly named disks, each tuple contains disk index,
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144 | 82c54b5b | Michael Hanselmann | expected and actual name
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145 | 82c54b5b | Michael Hanselmann |
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146 | 82c54b5b | Michael Hanselmann | """
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147 | 82c54b5b | Michael Hanselmann | result = [] |
148 | 82c54b5b | Michael Hanselmann | |
149 | 82c54b5b | Michael Hanselmann | for (idx, disk) in enumerate(disks): |
150 | 82c54b5b | Michael Hanselmann | exp_iv_name = "disk/%s" % idx
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151 | 82c54b5b | Michael Hanselmann | if disk.iv_name != exp_iv_name:
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152 | 82c54b5b | Michael Hanselmann | result.append((idx, exp_iv_name, disk.iv_name)) |
153 | 82c54b5b | Michael Hanselmann | |
154 | 82c54b5b | Michael Hanselmann | return result
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155 | 82c54b5b | Michael Hanselmann | |
156 | 82c54b5b | Michael Hanselmann | |
157 | a8083063 | Iustin Pop | class ConfigWriter: |
158 | 098c0958 | Michael Hanselmann | """The interface to the cluster configuration.
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159 | a8083063 | Iustin Pop |
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160 | d8aee57e | Iustin Pop | @ivar _temporary_lvs: reservation manager for temporary LVs
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161 | d8aee57e | Iustin Pop | @ivar _all_rms: a list of all temporary reservation managers
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162 | d8aee57e | Iustin Pop |
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163 | 098c0958 | Michael Hanselmann | """
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164 | eb180fe2 | Iustin Pop | def __init__(self, cfg_file=None, offline=False, _getents=runtime.GetEnts, |
165 | eb180fe2 | Iustin Pop | accept_foreign=False):
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166 | 14e15659 | Iustin Pop | self.write_count = 0 |
167 | f78ede4e | Guido Trotter | self._lock = _config_lock
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168 | a8083063 | Iustin Pop | self._config_data = None |
169 | a8083063 | Iustin Pop | self._offline = offline
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170 | a8083063 | Iustin Pop | if cfg_file is None: |
171 | 57407093 | Michael Hanselmann | self._cfg_file = pathutils.CLUSTER_CONF_FILE
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172 | a8083063 | Iustin Pop | else:
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173 | a8083063 | Iustin Pop | self._cfg_file = cfg_file
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174 | e60c73a1 | René Nussbaumer | self._getents = _getents
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175 | 4fae38c5 | Guido Trotter | self._temporary_ids = TemporaryReservationManager()
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176 | a81c53c9 | Iustin Pop | self._temporary_drbds = {}
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177 | 36b66e6e | Guido Trotter | self._temporary_macs = TemporaryReservationManager()
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178 | afa1386e | Guido Trotter | self._temporary_secrets = TemporaryReservationManager()
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179 | d8aee57e | Iustin Pop | self._temporary_lvs = TemporaryReservationManager()
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180 | d8aee57e | Iustin Pop | self._all_rms = [self._temporary_ids, self._temporary_macs, |
181 | d8aee57e | Iustin Pop | self._temporary_secrets, self._temporary_lvs] |
182 | 89e1fc26 | Iustin Pop | # Note: in order to prevent errors when resolving our name in
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183 | 89e1fc26 | Iustin Pop | # _DistributeConfig, we compute it here once and reuse it; it's
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184 | 89e1fc26 | Iustin Pop | # better to raise an error before starting to modify the config
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185 | 89e1fc26 | Iustin Pop | # file than after it was modified
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186 | b705c7a6 | Manuel Franceschini | self._my_hostname = netutils.Hostname.GetSysName()
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187 | 3c7f6c44 | Iustin Pop | self._last_cluster_serial = -1 |
188 | bd407597 | Iustin Pop | self._cfg_id = None |
189 | b2acdbdc | Michael Hanselmann | self._context = None |
190 | eb180fe2 | Iustin Pop | self._OpenConfig(accept_foreign)
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191 | a8083063 | Iustin Pop | |
192 | b2acdbdc | Michael Hanselmann | def _GetRpc(self, address_list): |
193 | b2acdbdc | Michael Hanselmann | """Returns RPC runner for configuration.
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194 | b2acdbdc | Michael Hanselmann |
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195 | b2acdbdc | Michael Hanselmann | """
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196 | b2acdbdc | Michael Hanselmann | return rpc.ConfigRunner(self._context, address_list) |
197 | b2acdbdc | Michael Hanselmann | |
198 | b2acdbdc | Michael Hanselmann | def SetContext(self, context): |
199 | b2acdbdc | Michael Hanselmann | """Sets Ganeti context.
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200 | b2acdbdc | Michael Hanselmann |
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201 | b2acdbdc | Michael Hanselmann | """
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202 | b2acdbdc | Michael Hanselmann | self._context = context
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203 | b2acdbdc | Michael Hanselmann | |
204 | a8083063 | Iustin Pop | # this method needs to be static, so that we can call it on the class
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205 | a8083063 | Iustin Pop | @staticmethod
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206 | a8083063 | Iustin Pop | def IsCluster(): |
207 | a8083063 | Iustin Pop | """Check if the cluster is configured.
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208 | a8083063 | Iustin Pop |
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209 | a8083063 | Iustin Pop | """
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210 | 57407093 | Michael Hanselmann | return os.path.exists(pathutils.CLUSTER_CONF_FILE)
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211 | a8083063 | Iustin Pop | |
212 | 36b66e6e | Guido Trotter | def _GenerateOneMAC(self): |
213 | 36b66e6e | Guido Trotter | """Generate one mac address
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214 | 36b66e6e | Guido Trotter |
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215 | 36b66e6e | Guido Trotter | """
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216 | 36b66e6e | Guido Trotter | prefix = self._config_data.cluster.mac_prefix
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217 | 36b66e6e | Guido Trotter | byte1 = random.randrange(0, 256) |
218 | 36b66e6e | Guido Trotter | byte2 = random.randrange(0, 256) |
219 | 36b66e6e | Guido Trotter | byte3 = random.randrange(0, 256) |
220 | 36b66e6e | Guido Trotter | mac = "%s:%02x:%02x:%02x" % (prefix, byte1, byte2, byte3)
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221 | 36b66e6e | Guido Trotter | return mac
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222 | 36b66e6e | Guido Trotter | |
223 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
224 | 5768e6a6 | René Nussbaumer | def GetNdParams(self, node): |
225 | 5768e6a6 | René Nussbaumer | """Get the node params populated with cluster defaults.
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226 | 5768e6a6 | René Nussbaumer |
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227 | ce523de1 | Michael Hanselmann | @type node: L{objects.Node}
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228 | 5768e6a6 | René Nussbaumer | @param node: The node we want to know the params for
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229 | 5768e6a6 | René Nussbaumer | @return: A dict with the filled in node params
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230 | 5768e6a6 | René Nussbaumer |
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231 | 5768e6a6 | René Nussbaumer | """
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232 | 5768e6a6 | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
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233 | 5768e6a6 | René Nussbaumer | return self._config_data.cluster.FillND(node, nodegroup) |
234 | 5768e6a6 | René Nussbaumer | |
235 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
236 | 8a147bba | René Nussbaumer | def GetInstanceDiskParams(self, instance): |
237 | 8a147bba | René Nussbaumer | """Get the disk params populated with inherit chain.
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238 | 8a147bba | René Nussbaumer |
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239 | 8a147bba | René Nussbaumer | @type instance: L{objects.Instance}
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240 | 8a147bba | René Nussbaumer | @param instance: The instance we want to know the params for
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241 | 8a147bba | René Nussbaumer | @return: A dict with the filled in disk params
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242 | 8a147bba | René Nussbaumer |
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243 | 8a147bba | René Nussbaumer | """
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244 | 8a147bba | René Nussbaumer | node = self._UnlockedGetNodeInfo(instance.primary_node)
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245 | 8a147bba | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
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246 | 99ccf8b9 | René Nussbaumer | return self._UnlockedGetGroupDiskParams(nodegroup) |
247 | 99ccf8b9 | René Nussbaumer | |
248 | 99ccf8b9 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
249 | 99ccf8b9 | René Nussbaumer | def GetGroupDiskParams(self, group): |
250 | 99ccf8b9 | René Nussbaumer | """Get the disk params populated with inherit chain.
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251 | 99ccf8b9 | René Nussbaumer |
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252 | af9fb4cc | René Nussbaumer | @type group: L{objects.NodeGroup}
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253 | 99ccf8b9 | René Nussbaumer | @param group: The group we want to know the params for
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254 | 99ccf8b9 | René Nussbaumer | @return: A dict with the filled in disk params
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255 | 99ccf8b9 | René Nussbaumer |
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256 | 99ccf8b9 | René Nussbaumer | """
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257 | 99ccf8b9 | René Nussbaumer | return self._UnlockedGetGroupDiskParams(group) |
258 | 99ccf8b9 | René Nussbaumer | |
259 | 99ccf8b9 | René Nussbaumer | def _UnlockedGetGroupDiskParams(self, group): |
260 | 99ccf8b9 | René Nussbaumer | """Get the disk params populated with inherit chain down to node-group.
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261 | 99ccf8b9 | René Nussbaumer |
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262 | af9fb4cc | René Nussbaumer | @type group: L{objects.NodeGroup}
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263 | 99ccf8b9 | René Nussbaumer | @param group: The group we want to know the params for
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264 | 99ccf8b9 | René Nussbaumer | @return: A dict with the filled in disk params
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265 | 99ccf8b9 | René Nussbaumer |
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266 | 99ccf8b9 | René Nussbaumer | """
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267 | 99ccf8b9 | René Nussbaumer | return self._config_data.cluster.SimpleFillDP(group.diskparams) |
268 | 8a147bba | René Nussbaumer | |
269 | 8a147bba | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
270 | 36b66e6e | Guido Trotter | def GenerateMAC(self, ec_id): |
271 | a8083063 | Iustin Pop | """Generate a MAC for an instance.
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272 | a8083063 | Iustin Pop |
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273 | a8083063 | Iustin Pop | This should check the current instances for duplicates.
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274 | a8083063 | Iustin Pop |
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275 | a8083063 | Iustin Pop | """
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276 | 36b66e6e | Guido Trotter | existing = self._AllMACs()
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277 | 36b66e6e | Guido Trotter | return self._temporary_ids.Generate(existing, self._GenerateOneMAC, ec_id) |
278 | a8083063 | Iustin Pop | |
279 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
280 | 36b66e6e | Guido Trotter | def ReserveMAC(self, mac, ec_id): |
281 | 36b66e6e | Guido Trotter | """Reserve a MAC for an instance.
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282 | 1862d460 | Alexander Schreiber |
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283 | 1862d460 | Alexander Schreiber | This only checks instances managed by this cluster, it does not
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284 | 1862d460 | Alexander Schreiber | check for potential collisions elsewhere.
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285 | 1862d460 | Alexander Schreiber |
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286 | 1862d460 | Alexander Schreiber | """
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287 | 1862d460 | Alexander Schreiber | all_macs = self._AllMACs()
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288 | 36b66e6e | Guido Trotter | if mac in all_macs: |
289 | 36b66e6e | Guido Trotter | raise errors.ReservationError("mac already in use") |
290 | 36b66e6e | Guido Trotter | else:
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291 | 8785b71b | Apollon Oikonomopoulos | self._temporary_macs.Reserve(ec_id, mac)
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292 | 1862d460 | Alexander Schreiber | |
293 | f9518d38 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
294 | d8aee57e | Iustin Pop | def ReserveLV(self, lv_name, ec_id): |
295 | d8aee57e | Iustin Pop | """Reserve an VG/LV pair for an instance.
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296 | d8aee57e | Iustin Pop |
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297 | d8aee57e | Iustin Pop | @type lv_name: string
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298 | d8aee57e | Iustin Pop | @param lv_name: the logical volume name to reserve
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299 | d8aee57e | Iustin Pop |
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300 | d8aee57e | Iustin Pop | """
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301 | d8aee57e | Iustin Pop | all_lvs = self._AllLVs()
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302 | d8aee57e | Iustin Pop | if lv_name in all_lvs: |
303 | d8aee57e | Iustin Pop | raise errors.ReservationError("LV already in use") |
304 | d8aee57e | Iustin Pop | else:
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305 | 8785b71b | Apollon Oikonomopoulos | self._temporary_lvs.Reserve(ec_id, lv_name)
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306 | d8aee57e | Iustin Pop | |
307 | d8aee57e | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
308 | afa1386e | Guido Trotter | def GenerateDRBDSecret(self, ec_id): |
309 | f9518d38 | Iustin Pop | """Generate a DRBD secret.
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310 | f9518d38 | Iustin Pop |
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311 | f9518d38 | Iustin Pop | This checks the current disks for duplicates.
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312 | f9518d38 | Iustin Pop |
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313 | f9518d38 | Iustin Pop | """
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314 | afa1386e | Guido Trotter | return self._temporary_secrets.Generate(self._AllDRBDSecrets(), |
315 | afa1386e | Guido Trotter | utils.GenerateSecret, |
316 | afa1386e | Guido Trotter | ec_id) |
317 | 8d9c3bef | Michael Hanselmann | |
318 | 34e54ebc | Iustin Pop | def _AllLVs(self): |
319 | 923b1523 | Iustin Pop | """Compute the list of all LVs.
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320 | 923b1523 | Iustin Pop |
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321 | 923b1523 | Iustin Pop | """
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322 | 923b1523 | Iustin Pop | lvnames = set()
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323 | 923b1523 | Iustin Pop | for instance in self._config_data.instances.values(): |
324 | 923b1523 | Iustin Pop | node_data = instance.MapLVsByNode() |
325 | 923b1523 | Iustin Pop | for lv_list in node_data.values(): |
326 | 923b1523 | Iustin Pop | lvnames.update(lv_list) |
327 | 923b1523 | Iustin Pop | return lvnames
|
328 | 923b1523 | Iustin Pop | |
329 | 34e54ebc | Iustin Pop | def _AllIDs(self, include_temporary): |
330 | 34e54ebc | Iustin Pop | """Compute the list of all UUIDs and names we have.
|
331 | 34e54ebc | Iustin Pop |
|
332 | 34e54ebc | Iustin Pop | @type include_temporary: boolean
|
333 | 34e54ebc | Iustin Pop | @param include_temporary: whether to include the _temporary_ids set
|
334 | 34e54ebc | Iustin Pop | @rtype: set
|
335 | 34e54ebc | Iustin Pop | @return: a set of IDs
|
336 | 34e54ebc | Iustin Pop |
|
337 | 34e54ebc | Iustin Pop | """
|
338 | 34e54ebc | Iustin Pop | existing = set()
|
339 | 34e54ebc | Iustin Pop | if include_temporary:
|
340 | 4fae38c5 | Guido Trotter | existing.update(self._temporary_ids.GetReserved())
|
341 | 34e54ebc | Iustin Pop | existing.update(self._AllLVs())
|
342 | 34e54ebc | Iustin Pop | existing.update(self._config_data.instances.keys())
|
343 | 34e54ebc | Iustin Pop | existing.update(self._config_data.nodes.keys())
|
344 | 76d5d3a3 | Iustin Pop | existing.update([i.uuid for i in self._AllUUIDObjects() if i.uuid]) |
345 | 34e54ebc | Iustin Pop | return existing
|
346 | 34e54ebc | Iustin Pop | |
347 | 4fae38c5 | Guido Trotter | def _GenerateUniqueID(self, ec_id): |
348 | 430b923c | Iustin Pop | """Generate an unique UUID.
|
349 | 923b1523 | Iustin Pop |
|
350 | 923b1523 | Iustin Pop | This checks the current node, instances and disk names for
|
351 | 923b1523 | Iustin Pop | duplicates.
|
352 | 923b1523 | Iustin Pop |
|
353 | c41eea6e | Iustin Pop | @rtype: string
|
354 | c41eea6e | Iustin Pop | @return: the unique id
|
355 | 923b1523 | Iustin Pop |
|
356 | 923b1523 | Iustin Pop | """
|
357 | 4fae38c5 | Guido Trotter | existing = self._AllIDs(include_temporary=False) |
358 | 4fae38c5 | Guido Trotter | return self._temporary_ids.Generate(existing, utils.NewUUID, ec_id) |
359 | 923b1523 | Iustin Pop | |
360 | 430b923c | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
361 | 4fae38c5 | Guido Trotter | def GenerateUniqueID(self, ec_id): |
362 | 430b923c | Iustin Pop | """Generate an unique ID.
|
363 | 430b923c | Iustin Pop |
|
364 | 430b923c | Iustin Pop | This is just a wrapper over the unlocked version.
|
365 | 430b923c | Iustin Pop |
|
366 | 4fae38c5 | Guido Trotter | @type ec_id: string
|
367 | 4fae38c5 | Guido Trotter | @param ec_id: unique id for the job to reserve the id to
|
368 | 34d657ba | Iustin Pop |
|
369 | 34d657ba | Iustin Pop | """
|
370 | 4fae38c5 | Guido Trotter | return self._GenerateUniqueID(ec_id) |
371 | 34d657ba | Iustin Pop | |
372 | a8083063 | Iustin Pop | def _AllMACs(self): |
373 | a8083063 | Iustin Pop | """Return all MACs present in the config.
|
374 | a8083063 | Iustin Pop |
|
375 | c41eea6e | Iustin Pop | @rtype: list
|
376 | c41eea6e | Iustin Pop | @return: the list of all MACs
|
377 | c41eea6e | Iustin Pop |
|
378 | a8083063 | Iustin Pop | """
|
379 | a8083063 | Iustin Pop | result = [] |
380 | a8083063 | Iustin Pop | for instance in self._config_data.instances.values(): |
381 | a8083063 | Iustin Pop | for nic in instance.nics: |
382 | a8083063 | Iustin Pop | result.append(nic.mac) |
383 | a8083063 | Iustin Pop | |
384 | a8083063 | Iustin Pop | return result
|
385 | a8083063 | Iustin Pop | |
386 | f9518d38 | Iustin Pop | def _AllDRBDSecrets(self): |
387 | f9518d38 | Iustin Pop | """Return all DRBD secrets present in the config.
|
388 | f9518d38 | Iustin Pop |
|
389 | c41eea6e | Iustin Pop | @rtype: list
|
390 | c41eea6e | Iustin Pop | @return: the list of all DRBD secrets
|
391 | c41eea6e | Iustin Pop |
|
392 | f9518d38 | Iustin Pop | """
|
393 | f9518d38 | Iustin Pop | def helper(disk, result): |
394 | f9518d38 | Iustin Pop | """Recursively gather secrets from this disk."""
|
395 | f9518d38 | Iustin Pop | if disk.dev_type == constants.DT_DRBD8:
|
396 | f9518d38 | Iustin Pop | result.append(disk.logical_id[5])
|
397 | f9518d38 | Iustin Pop | if disk.children:
|
398 | f9518d38 | Iustin Pop | for child in disk.children: |
399 | f9518d38 | Iustin Pop | helper(child, result) |
400 | f9518d38 | Iustin Pop | |
401 | f9518d38 | Iustin Pop | result = [] |
402 | f9518d38 | Iustin Pop | for instance in self._config_data.instances.values(): |
403 | f9518d38 | Iustin Pop | for disk in instance.disks: |
404 | f9518d38 | Iustin Pop | helper(disk, result) |
405 | f9518d38 | Iustin Pop | |
406 | f9518d38 | Iustin Pop | return result
|
407 | f9518d38 | Iustin Pop | |
408 | 4b98ac29 | Iustin Pop | def _CheckDiskIDs(self, disk, l_ids, p_ids): |
409 | 4b98ac29 | Iustin Pop | """Compute duplicate disk IDs
|
410 | 4b98ac29 | Iustin Pop |
|
411 | 4b98ac29 | Iustin Pop | @type disk: L{objects.Disk}
|
412 | 4b98ac29 | Iustin Pop | @param disk: the disk at which to start searching
|
413 | 4b98ac29 | Iustin Pop | @type l_ids: list
|
414 | 4b98ac29 | Iustin Pop | @param l_ids: list of current logical ids
|
415 | 4b98ac29 | Iustin Pop | @type p_ids: list
|
416 | 4b98ac29 | Iustin Pop | @param p_ids: list of current physical ids
|
417 | 4b98ac29 | Iustin Pop | @rtype: list
|
418 | 4b98ac29 | Iustin Pop | @return: a list of error messages
|
419 | 4b98ac29 | Iustin Pop |
|
420 | 4b98ac29 | Iustin Pop | """
|
421 | 4b98ac29 | Iustin Pop | result = [] |
422 | 25ae22e4 | Iustin Pop | if disk.logical_id is not None: |
423 | 25ae22e4 | Iustin Pop | if disk.logical_id in l_ids: |
424 | 25ae22e4 | Iustin Pop | result.append("duplicate logical id %s" % str(disk.logical_id)) |
425 | 25ae22e4 | Iustin Pop | else:
|
426 | 25ae22e4 | Iustin Pop | l_ids.append(disk.logical_id) |
427 | 25ae22e4 | Iustin Pop | if disk.physical_id is not None: |
428 | 25ae22e4 | Iustin Pop | if disk.physical_id in p_ids: |
429 | 25ae22e4 | Iustin Pop | result.append("duplicate physical id %s" % str(disk.physical_id)) |
430 | 25ae22e4 | Iustin Pop | else:
|
431 | 25ae22e4 | Iustin Pop | p_ids.append(disk.physical_id) |
432 | 4b98ac29 | Iustin Pop | |
433 | 4b98ac29 | Iustin Pop | if disk.children:
|
434 | 4b98ac29 | Iustin Pop | for child in disk.children: |
435 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(child, l_ids, p_ids))
|
436 | 4b98ac29 | Iustin Pop | return result
|
437 | 4b98ac29 | Iustin Pop | |
438 | 4a89c54a | Iustin Pop | def _UnlockedVerifyConfig(self): |
439 | a8efbb40 | Iustin Pop | """Verify function.
|
440 | a8efbb40 | Iustin Pop |
|
441 | 4a89c54a | Iustin Pop | @rtype: list
|
442 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
443 | 4a89c54a | Iustin Pop | configuration errors
|
444 | 4a89c54a | Iustin Pop |
|
445 | a8083063 | Iustin Pop | """
|
446 | b459a848 | Andrea Spadaccini | # pylint: disable=R0914
|
447 | a8083063 | Iustin Pop | result = [] |
448 | a8083063 | Iustin Pop | seen_macs = [] |
449 | 48ce9fd9 | Iustin Pop | ports = {} |
450 | a8083063 | Iustin Pop | data = self._config_data
|
451 | 7e01d204 | Iustin Pop | cluster = data.cluster |
452 | 4b98ac29 | Iustin Pop | seen_lids = [] |
453 | 4b98ac29 | Iustin Pop | seen_pids = [] |
454 | 9a5fba23 | Guido Trotter | |
455 | 9a5fba23 | Guido Trotter | # global cluster checks
|
456 | 7e01d204 | Iustin Pop | if not cluster.enabled_hypervisors: |
457 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors list doesn't have any entries")
|
458 | 7e01d204 | Iustin Pop | invalid_hvs = set(cluster.enabled_hypervisors) - constants.HYPER_TYPES
|
459 | 9a5fba23 | Guido Trotter | if invalid_hvs:
|
460 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors contains invalid entries: %s" %
|
461 | 9a5fba23 | Guido Trotter | invalid_hvs) |
462 | 7e01d204 | Iustin Pop | missing_hvp = (set(cluster.enabled_hypervisors) -
|
463 | 7e01d204 | Iustin Pop | set(cluster.hvparams.keys()))
|
464 | 9f3ac970 | Iustin Pop | if missing_hvp:
|
465 | 9f3ac970 | Iustin Pop | result.append("hypervisor parameters missing for the enabled"
|
466 | 9f3ac970 | Iustin Pop | " hypervisor(s) %s" % utils.CommaJoin(missing_hvp))
|
467 | 9a5fba23 | Guido Trotter | |
468 | 7e01d204 | Iustin Pop | if cluster.master_node not in data.nodes: |
469 | 9a5fba23 | Guido Trotter | result.append("cluster has invalid primary node '%s'" %
|
470 | 7e01d204 | Iustin Pop | cluster.master_node) |
471 | 9a5fba23 | Guido Trotter | |
472 | 26f2fd8d | Iustin Pop | def _helper(owner, attr, value, template): |
473 | 26f2fd8d | Iustin Pop | try:
|
474 | 26f2fd8d | Iustin Pop | utils.ForceDictType(value, template) |
475 | 26f2fd8d | Iustin Pop | except errors.GenericError, err:
|
476 | 26f2fd8d | Iustin Pop | result.append("%s has invalid %s: %s" % (owner, attr, err))
|
477 | 26f2fd8d | Iustin Pop | |
478 | 26f2fd8d | Iustin Pop | def _helper_nic(owner, params): |
479 | 26f2fd8d | Iustin Pop | try:
|
480 | 26f2fd8d | Iustin Pop | objects.NIC.CheckParameterSyntax(params) |
481 | 26f2fd8d | Iustin Pop | except errors.ConfigurationError, err:
|
482 | 26f2fd8d | Iustin Pop | result.append("%s has invalid nicparams: %s" % (owner, err))
|
483 | 26f2fd8d | Iustin Pop | |
484 | 8b057218 | René Nussbaumer | def _helper_ipolicy(owner, params, check_std): |
485 | 918eb80b | Agata Murawska | try:
|
486 | 8b057218 | René Nussbaumer | objects.InstancePolicy.CheckParameterSyntax(params, check_std) |
487 | 918eb80b | Agata Murawska | except errors.ConfigurationError, err:
|
488 | 918eb80b | Agata Murawska | result.append("%s has invalid instance policy: %s" % (owner, err))
|
489 | 918eb80b | Agata Murawska | |
490 | 918eb80b | Agata Murawska | def _helper_ispecs(owner, params): |
491 | 2cc673a3 | Iustin Pop | for key, value in params.items(): |
492 | 12378fe3 | Iustin Pop | if key in constants.IPOLICY_ISPECS: |
493 | 2cc673a3 | Iustin Pop | fullkey = "ipolicy/" + key
|
494 | 2cc673a3 | Iustin Pop | _helper(owner, fullkey, value, constants.ISPECS_PARAMETER_TYPES) |
495 | 2cc673a3 | Iustin Pop | else:
|
496 | 2cc673a3 | Iustin Pop | # FIXME: assuming list type
|
497 | ff6c5e55 | Iustin Pop | if key in constants.IPOLICY_PARAMETERS: |
498 | ff6c5e55 | Iustin Pop | exp_type = float
|
499 | ff6c5e55 | Iustin Pop | else:
|
500 | ff6c5e55 | Iustin Pop | exp_type = list
|
501 | ff6c5e55 | Iustin Pop | if not isinstance(value, exp_type): |
502 | 2cc673a3 | Iustin Pop | result.append("%s has invalid instance policy: for %s,"
|
503 | ff6c5e55 | Iustin Pop | " expecting %s, got %s" %
|
504 | ff6c5e55 | Iustin Pop | (owner, key, exp_type.__name__, type(value)))
|
505 | 918eb80b | Agata Murawska | |
506 | 26f2fd8d | Iustin Pop | # check cluster parameters
|
507 | 26f2fd8d | Iustin Pop | _helper("cluster", "beparams", cluster.SimpleFillBE({}), |
508 | 26f2fd8d | Iustin Pop | constants.BES_PARAMETER_TYPES) |
509 | 26f2fd8d | Iustin Pop | _helper("cluster", "nicparams", cluster.SimpleFillNIC({}), |
510 | 26f2fd8d | Iustin Pop | constants.NICS_PARAMETER_TYPES) |
511 | 26f2fd8d | Iustin Pop | _helper_nic("cluster", cluster.SimpleFillNIC({}))
|
512 | 26f2fd8d | Iustin Pop | _helper("cluster", "ndparams", cluster.SimpleFillND({}), |
513 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
514 | 8b057218 | René Nussbaumer | _helper_ipolicy("cluster", cluster.SimpleFillIPolicy({}), True) |
515 | 918eb80b | Agata Murawska | _helper_ispecs("cluster", cluster.SimpleFillIPolicy({}))
|
516 | 26f2fd8d | Iustin Pop | |
517 | 9a5fba23 | Guido Trotter | # per-instance checks
|
518 | a8083063 | Iustin Pop | for instance_name in data.instances: |
519 | a8083063 | Iustin Pop | instance = data.instances[instance_name] |
520 | 81196341 | Iustin Pop | if instance.name != instance_name:
|
521 | 81196341 | Iustin Pop | result.append("instance '%s' is indexed by wrong name '%s'" %
|
522 | 81196341 | Iustin Pop | (instance.name, instance_name)) |
523 | a8083063 | Iustin Pop | if instance.primary_node not in data.nodes: |
524 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid primary node '%s'" %
|
525 | a8083063 | Iustin Pop | (instance_name, instance.primary_node)) |
526 | a8083063 | Iustin Pop | for snode in instance.secondary_nodes: |
527 | a8083063 | Iustin Pop | if snode not in data.nodes: |
528 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid secondary node '%s'" %
|
529 | a8083063 | Iustin Pop | (instance_name, snode)) |
530 | a8083063 | Iustin Pop | for idx, nic in enumerate(instance.nics): |
531 | a8083063 | Iustin Pop | if nic.mac in seen_macs: |
532 | 8522ceeb | Iustin Pop | result.append("instance '%s' has NIC %d mac %s duplicate" %
|
533 | a8083063 | Iustin Pop | (instance_name, idx, nic.mac)) |
534 | a8083063 | Iustin Pop | else:
|
535 | a8083063 | Iustin Pop | seen_macs.append(nic.mac) |
536 | 26f2fd8d | Iustin Pop | if nic.nicparams:
|
537 | 26f2fd8d | Iustin Pop | filled = cluster.SimpleFillNIC(nic.nicparams) |
538 | 26f2fd8d | Iustin Pop | owner = "instance %s nic %d" % (instance.name, idx)
|
539 | 26f2fd8d | Iustin Pop | _helper(owner, "nicparams",
|
540 | 26f2fd8d | Iustin Pop | filled, constants.NICS_PARAMETER_TYPES) |
541 | 26f2fd8d | Iustin Pop | _helper_nic(owner, filled) |
542 | 26f2fd8d | Iustin Pop | |
543 | 26f2fd8d | Iustin Pop | # parameter checks
|
544 | 26f2fd8d | Iustin Pop | if instance.beparams:
|
545 | 26f2fd8d | Iustin Pop | _helper("instance %s" % instance.name, "beparams", |
546 | 26f2fd8d | Iustin Pop | cluster.FillBE(instance), constants.BES_PARAMETER_TYPES) |
547 | 48ce9fd9 | Iustin Pop | |
548 | 48ce9fd9 | Iustin Pop | # gather the drbd ports for duplicate checks
|
549 | e2569c1d | Michael Hanselmann | for (idx, dsk) in enumerate(instance.disks): |
550 | 48ce9fd9 | Iustin Pop | if dsk.dev_type in constants.LDS_DRBD: |
551 | 48ce9fd9 | Iustin Pop | tcp_port = dsk.logical_id[2]
|
552 | 48ce9fd9 | Iustin Pop | if tcp_port not in ports: |
553 | 48ce9fd9 | Iustin Pop | ports[tcp_port] = [] |
554 | e2569c1d | Michael Hanselmann | ports[tcp_port].append((instance.name, "drbd disk %s" % idx))
|
555 | 48ce9fd9 | Iustin Pop | # gather network port reservation
|
556 | 48ce9fd9 | Iustin Pop | net_port = getattr(instance, "network_port", None) |
557 | 48ce9fd9 | Iustin Pop | if net_port is not None: |
558 | 48ce9fd9 | Iustin Pop | if net_port not in ports: |
559 | 48ce9fd9 | Iustin Pop | ports[net_port] = [] |
560 | 48ce9fd9 | Iustin Pop | ports[net_port].append((instance.name, "network port"))
|
561 | 48ce9fd9 | Iustin Pop | |
562 | 332d0e37 | Iustin Pop | # instance disk verify
|
563 | 332d0e37 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
564 | 332d0e37 | Iustin Pop | result.extend(["instance '%s' disk %d error: %s" %
|
565 | 332d0e37 | Iustin Pop | (instance.name, idx, msg) for msg in disk.Verify()]) |
566 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(disk, seen_lids, seen_pids))
|
567 | 332d0e37 | Iustin Pop | |
568 | 82c54b5b | Michael Hanselmann | wrong_names = _CheckInstanceDiskIvNames(instance.disks) |
569 | 82c54b5b | Michael Hanselmann | if wrong_names:
|
570 | 82c54b5b | Michael Hanselmann | tmp = "; ".join(("name of disk %s should be '%s', but is '%s'" % |
571 | 82c54b5b | Michael Hanselmann | (idx, exp_name, actual_name)) |
572 | 82c54b5b | Michael Hanselmann | for (idx, exp_name, actual_name) in wrong_names) |
573 | 82c54b5b | Michael Hanselmann | |
574 | 82c54b5b | Michael Hanselmann | result.append("Instance '%s' has wrongly named disks: %s" %
|
575 | 82c54b5b | Michael Hanselmann | (instance.name, tmp)) |
576 | 82c54b5b | Michael Hanselmann | |
577 | 48ce9fd9 | Iustin Pop | # cluster-wide pool of free ports
|
578 | 7e01d204 | Iustin Pop | for free_port in cluster.tcpudp_port_pool: |
579 | 48ce9fd9 | Iustin Pop | if free_port not in ports: |
580 | 48ce9fd9 | Iustin Pop | ports[free_port] = [] |
581 | 48ce9fd9 | Iustin Pop | ports[free_port].append(("cluster", "port marked as free")) |
582 | 48ce9fd9 | Iustin Pop | |
583 | 48ce9fd9 | Iustin Pop | # compute tcp/udp duplicate ports
|
584 | 48ce9fd9 | Iustin Pop | keys = ports.keys() |
585 | 48ce9fd9 | Iustin Pop | keys.sort() |
586 | 48ce9fd9 | Iustin Pop | for pnum in keys: |
587 | 48ce9fd9 | Iustin Pop | pdata = ports[pnum] |
588 | 48ce9fd9 | Iustin Pop | if len(pdata) > 1: |
589 | 1f864b60 | Iustin Pop | txt = utils.CommaJoin(["%s/%s" % val for val in pdata]) |
590 | 48ce9fd9 | Iustin Pop | result.append("tcp/udp port %s has duplicates: %s" % (pnum, txt))
|
591 | 48ce9fd9 | Iustin Pop | |
592 | 48ce9fd9 | Iustin Pop | # highest used tcp port check
|
593 | 48ce9fd9 | Iustin Pop | if keys:
|
594 | 7e01d204 | Iustin Pop | if keys[-1] > cluster.highest_used_port: |
595 | 48ce9fd9 | Iustin Pop | result.append("Highest used port mismatch, saved %s, computed %s" %
|
596 | 7e01d204 | Iustin Pop | (cluster.highest_used_port, keys[-1]))
|
597 | a8efbb40 | Iustin Pop | |
598 | 7e01d204 | Iustin Pop | if not data.nodes[cluster.master_node].master_candidate: |
599 | 3a26773f | Iustin Pop | result.append("Master node is not a master candidate")
|
600 | 3a26773f | Iustin Pop | |
601 | 4a89c54a | Iustin Pop | # master candidate checks
|
602 | e623dbe3 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats()
|
603 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
604 | ec0292f1 | Iustin Pop | result.append("Not enough master candidates: actual %d, target %d" %
|
605 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
606 | 48ce9fd9 | Iustin Pop | |
607 | 5bf07049 | Iustin Pop | # node checks
|
608 | 81196341 | Iustin Pop | for node_name, node in data.nodes.items(): |
609 | 81196341 | Iustin Pop | if node.name != node_name:
|
610 | 81196341 | Iustin Pop | result.append("Node '%s' is indexed by wrong name '%s'" %
|
611 | 81196341 | Iustin Pop | (node.name, node_name)) |
612 | 5bf07049 | Iustin Pop | if [node.master_candidate, node.drained, node.offline].count(True) > 1: |
613 | 5bf07049 | Iustin Pop | result.append("Node %s state is invalid: master_candidate=%s,"
|
614 | 5bf07049 | Iustin Pop | " drain=%s, offline=%s" %
|
615 | 3d889a7d | Michael Hanselmann | (node.name, node.master_candidate, node.drained, |
616 | 5bf07049 | Iustin Pop | node.offline)) |
617 | 26f2fd8d | Iustin Pop | if node.group not in data.nodegroups: |
618 | 26f2fd8d | Iustin Pop | result.append("Node '%s' has invalid group '%s'" %
|
619 | 26f2fd8d | Iustin Pop | (node.name, node.group)) |
620 | 26f2fd8d | Iustin Pop | else:
|
621 | 26f2fd8d | Iustin Pop | _helper("node %s" % node.name, "ndparams", |
622 | 26f2fd8d | Iustin Pop | cluster.FillND(node, data.nodegroups[node.group]), |
623 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
624 | 5bf07049 | Iustin Pop | |
625 | 6520ba14 | Guido Trotter | # nodegroups checks
|
626 | ace16501 | Guido Trotter | nodegroups_names = set()
|
627 | 6520ba14 | Guido Trotter | for nodegroup_uuid in data.nodegroups: |
628 | 6520ba14 | Guido Trotter | nodegroup = data.nodegroups[nodegroup_uuid] |
629 | 6520ba14 | Guido Trotter | if nodegroup.uuid != nodegroup_uuid:
|
630 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') indexed by wrong uuid '%s'"
|
631 | 6520ba14 | Guido Trotter | % (nodegroup.name, nodegroup.uuid, nodegroup_uuid)) |
632 | 485ba212 | Guido Trotter | if utils.UUID_RE.match(nodegroup.name.lower()):
|
633 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') has uuid-like name" %
|
634 | 485ba212 | Guido Trotter | (nodegroup.name, nodegroup.uuid)) |
635 | ace16501 | Guido Trotter | if nodegroup.name in nodegroups_names: |
636 | 913cc25e | Adeodato Simo | result.append("duplicate node group name '%s'" % nodegroup.name)
|
637 | ace16501 | Guido Trotter | else:
|
638 | ace16501 | Guido Trotter | nodegroups_names.add(nodegroup.name) |
639 | 81e3ab4f | Agata Murawska | group_name = "group %s" % nodegroup.name
|
640 | 8b057218 | René Nussbaumer | _helper_ipolicy(group_name, cluster.SimpleFillIPolicy(nodegroup.ipolicy), |
641 | 8b057218 | René Nussbaumer | False)
|
642 | 81e3ab4f | Agata Murawska | _helper_ispecs(group_name, cluster.SimpleFillIPolicy(nodegroup.ipolicy)) |
643 | 26f2fd8d | Iustin Pop | if nodegroup.ndparams:
|
644 | 81e3ab4f | Agata Murawska | _helper(group_name, "ndparams",
|
645 | 26f2fd8d | Iustin Pop | cluster.SimpleFillND(nodegroup.ndparams), |
646 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
647 | 26f2fd8d | Iustin Pop | |
648 | 4a89c54a | Iustin Pop | # drbd minors check
|
649 | 1122eb25 | Iustin Pop | _, duplicates = self._UnlockedComputeDRBDMap()
|
650 | 4a89c54a | Iustin Pop | for node, minor, instance_a, instance_b in duplicates: |
651 | 4a89c54a | Iustin Pop | result.append("DRBD minor %d on node %s is assigned twice to instances"
|
652 | 4a89c54a | Iustin Pop | " %s and %s" % (minor, node, instance_a, instance_b))
|
653 | 4a89c54a | Iustin Pop | |
654 | 0ce8f948 | Iustin Pop | # IP checks
|
655 | 7e01d204 | Iustin Pop | default_nicparams = cluster.nicparams[constants.PP_DEFAULT] |
656 | b8716596 | Michael Hanselmann | ips = {} |
657 | b8716596 | Michael Hanselmann | |
658 | b8716596 | Michael Hanselmann | def _AddIpAddress(ip, name): |
659 | b8716596 | Michael Hanselmann | ips.setdefault(ip, []).append(name) |
660 | b8716596 | Michael Hanselmann | |
661 | 7e01d204 | Iustin Pop | _AddIpAddress(cluster.master_ip, "cluster_ip")
|
662 | 0ce8f948 | Iustin Pop | |
663 | 0ce8f948 | Iustin Pop | for node in data.nodes.values(): |
664 | b8716596 | Michael Hanselmann | _AddIpAddress(node.primary_ip, "node:%s/primary" % node.name)
|
665 | 0ce8f948 | Iustin Pop | if node.secondary_ip != node.primary_ip:
|
666 | b8716596 | Michael Hanselmann | _AddIpAddress(node.secondary_ip, "node:%s/secondary" % node.name)
|
667 | b8716596 | Michael Hanselmann | |
668 | b8716596 | Michael Hanselmann | for instance in data.instances.values(): |
669 | b8716596 | Michael Hanselmann | for idx, nic in enumerate(instance.nics): |
670 | b8716596 | Michael Hanselmann | if nic.ip is None: |
671 | b8716596 | Michael Hanselmann | continue
|
672 | b8716596 | Michael Hanselmann | |
673 | b8716596 | Michael Hanselmann | nicparams = objects.FillDict(default_nicparams, nic.nicparams) |
674 | b8716596 | Michael Hanselmann | nic_mode = nicparams[constants.NIC_MODE] |
675 | b8716596 | Michael Hanselmann | nic_link = nicparams[constants.NIC_LINK] |
676 | b8716596 | Michael Hanselmann | |
677 | b8716596 | Michael Hanselmann | if nic_mode == constants.NIC_MODE_BRIDGED:
|
678 | b8716596 | Michael Hanselmann | link = "bridge:%s" % nic_link
|
679 | b8716596 | Michael Hanselmann | elif nic_mode == constants.NIC_MODE_ROUTED:
|
680 | b8716596 | Michael Hanselmann | link = "route:%s" % nic_link
|
681 | b8716596 | Michael Hanselmann | else:
|
682 | b8716596 | Michael Hanselmann | raise errors.ProgrammerError("NIC mode '%s' not handled" % nic_mode) |
683 | b8716596 | Michael Hanselmann | |
684 | b8716596 | Michael Hanselmann | _AddIpAddress("%s/%s" % (link, nic.ip),
|
685 | b8716596 | Michael Hanselmann | "instance:%s/nic:%d" % (instance.name, idx))
|
686 | 0ce8f948 | Iustin Pop | |
687 | 0ce8f948 | Iustin Pop | for ip, owners in ips.items(): |
688 | 0ce8f948 | Iustin Pop | if len(owners) > 1: |
689 | 0ce8f948 | Iustin Pop | result.append("IP address %s is used by multiple owners: %s" %
|
690 | 1f864b60 | Iustin Pop | (ip, utils.CommaJoin(owners))) |
691 | b8716596 | Michael Hanselmann | |
692 | a8083063 | Iustin Pop | return result
|
693 | a8083063 | Iustin Pop | |
694 | 4a89c54a | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
695 | 4a89c54a | Iustin Pop | def VerifyConfig(self): |
696 | 4a89c54a | Iustin Pop | """Verify function.
|
697 | 4a89c54a | Iustin Pop |
|
698 | 4a89c54a | Iustin Pop | This is just a wrapper over L{_UnlockedVerifyConfig}.
|
699 | 4a89c54a | Iustin Pop |
|
700 | 4a89c54a | Iustin Pop | @rtype: list
|
701 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
702 | 4a89c54a | Iustin Pop | configuration errors
|
703 | 4a89c54a | Iustin Pop |
|
704 | 4a89c54a | Iustin Pop | """
|
705 | 4a89c54a | Iustin Pop | return self._UnlockedVerifyConfig() |
706 | 4a89c54a | Iustin Pop | |
707 | f78ede4e | Guido Trotter | def _UnlockedSetDiskID(self, disk, node_name): |
708 | a8083063 | Iustin Pop | """Convert the unique ID to the ID needed on the target nodes.
|
709 | a8083063 | Iustin Pop |
|
710 | a8083063 | Iustin Pop | This is used only for drbd, which needs ip/port configuration.
|
711 | a8083063 | Iustin Pop |
|
712 | a8083063 | Iustin Pop | The routine descends down and updates its children also, because
|
713 | a8083063 | Iustin Pop | this helps when the only the top device is passed to the remote
|
714 | a8083063 | Iustin Pop | node.
|
715 | a8083063 | Iustin Pop |
|
716 | f78ede4e | Guido Trotter | This function is for internal use, when the config lock is already held.
|
717 | f78ede4e | Guido Trotter |
|
718 | a8083063 | Iustin Pop | """
|
719 | a8083063 | Iustin Pop | if disk.children:
|
720 | a8083063 | Iustin Pop | for child in disk.children: |
721 | f78ede4e | Guido Trotter | self._UnlockedSetDiskID(child, node_name)
|
722 | a8083063 | Iustin Pop | |
723 | a8083063 | Iustin Pop | if disk.logical_id is None and disk.physical_id is not None: |
724 | a8083063 | Iustin Pop | return
|
725 | ffa1c0dc | Iustin Pop | if disk.dev_type == constants.LD_DRBD8:
|
726 | f9518d38 | Iustin Pop | pnode, snode, port, pminor, sminor, secret = disk.logical_id |
727 | a8083063 | Iustin Pop | if node_name not in (pnode, snode): |
728 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("DRBD device not knowing node %s" % |
729 | 3ecf6786 | Iustin Pop | node_name) |
730 | f78ede4e | Guido Trotter | pnode_info = self._UnlockedGetNodeInfo(pnode)
|
731 | f78ede4e | Guido Trotter | snode_info = self._UnlockedGetNodeInfo(snode)
|
732 | a8083063 | Iustin Pop | if pnode_info is None or snode_info is None: |
733 | a8083063 | Iustin Pop | raise errors.ConfigurationError("Can't find primary or secondary node" |
734 | a8083063 | Iustin Pop | " for %s" % str(disk)) |
735 | ffa1c0dc | Iustin Pop | p_data = (pnode_info.secondary_ip, port) |
736 | ffa1c0dc | Iustin Pop | s_data = (snode_info.secondary_ip, port) |
737 | a8083063 | Iustin Pop | if pnode == node_name:
|
738 | f9518d38 | Iustin Pop | disk.physical_id = p_data + s_data + (pminor, secret) |
739 | a8083063 | Iustin Pop | else: # it must be secondary, we tested above |
740 | f9518d38 | Iustin Pop | disk.physical_id = s_data + p_data + (sminor, secret) |
741 | a8083063 | Iustin Pop | else:
|
742 | a8083063 | Iustin Pop | disk.physical_id = disk.logical_id |
743 | a8083063 | Iustin Pop | return
|
744 | a8083063 | Iustin Pop | |
745 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
746 | f78ede4e | Guido Trotter | def SetDiskID(self, disk, node_name): |
747 | f78ede4e | Guido Trotter | """Convert the unique ID to the ID needed on the target nodes.
|
748 | f78ede4e | Guido Trotter |
|
749 | f78ede4e | Guido Trotter | This is used only for drbd, which needs ip/port configuration.
|
750 | f78ede4e | Guido Trotter |
|
751 | f78ede4e | Guido Trotter | The routine descends down and updates its children also, because
|
752 | f78ede4e | Guido Trotter | this helps when the only the top device is passed to the remote
|
753 | f78ede4e | Guido Trotter | node.
|
754 | f78ede4e | Guido Trotter |
|
755 | f78ede4e | Guido Trotter | """
|
756 | f78ede4e | Guido Trotter | return self._UnlockedSetDiskID(disk, node_name) |
757 | f78ede4e | Guido Trotter | |
758 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
759 | b2fddf63 | Iustin Pop | def AddTcpUdpPort(self, port): |
760 | b2fddf63 | Iustin Pop | """Adds a new port to the available port pool.
|
761 | b2fddf63 | Iustin Pop |
|
762 | 3b3b1bca | Dimitris Aragiorgis | @warning: this method does not "flush" the configuration (via
|
763 | 3b3b1bca | Dimitris Aragiorgis | L{_WriteConfig}); callers should do that themselves once the
|
764 | 3b3b1bca | Dimitris Aragiorgis | configuration is stable
|
765 | 3b3b1bca | Dimitris Aragiorgis |
|
766 | b2fddf63 | Iustin Pop | """
|
767 | 264bb3c5 | Michael Hanselmann | if not isinstance(port, int): |
768 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed for port") |
769 | 264bb3c5 | Michael Hanselmann | |
770 | b2fddf63 | Iustin Pop | self._config_data.cluster.tcpudp_port_pool.add(port)
|
771 | 264bb3c5 | Michael Hanselmann | |
772 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
773 | b2fddf63 | Iustin Pop | def GetPortList(self): |
774 | 264bb3c5 | Michael Hanselmann | """Returns a copy of the current port list.
|
775 | 264bb3c5 | Michael Hanselmann |
|
776 | 264bb3c5 | Michael Hanselmann | """
|
777 | b2fddf63 | Iustin Pop | return self._config_data.cluster.tcpudp_port_pool.copy() |
778 | 264bb3c5 | Michael Hanselmann | |
779 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
780 | a8083063 | Iustin Pop | def AllocatePort(self): |
781 | a8083063 | Iustin Pop | """Allocate a port.
|
782 | a8083063 | Iustin Pop |
|
783 | b2fddf63 | Iustin Pop | The port will be taken from the available port pool or from the
|
784 | b2fddf63 | Iustin Pop | default port range (and in this case we increase
|
785 | b2fddf63 | Iustin Pop | highest_used_port).
|
786 | a8083063 | Iustin Pop |
|
787 | a8083063 | Iustin Pop | """
|
788 | 264bb3c5 | Michael Hanselmann | # If there are TCP/IP ports configured, we use them first.
|
789 | b2fddf63 | Iustin Pop | if self._config_data.cluster.tcpudp_port_pool: |
790 | b2fddf63 | Iustin Pop | port = self._config_data.cluster.tcpudp_port_pool.pop()
|
791 | 264bb3c5 | Michael Hanselmann | else:
|
792 | 264bb3c5 | Michael Hanselmann | port = self._config_data.cluster.highest_used_port + 1 |
793 | 264bb3c5 | Michael Hanselmann | if port >= constants.LAST_DRBD_PORT:
|
794 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("The highest used port is greater" |
795 | 3ecf6786 | Iustin Pop | " than %s. Aborting." %
|
796 | 3ecf6786 | Iustin Pop | constants.LAST_DRBD_PORT) |
797 | 264bb3c5 | Michael Hanselmann | self._config_data.cluster.highest_used_port = port
|
798 | a8083063 | Iustin Pop | |
799 | a8083063 | Iustin Pop | self._WriteConfig()
|
800 | a8083063 | Iustin Pop | return port
|
801 | a8083063 | Iustin Pop | |
802 | 6d2e83d5 | Iustin Pop | def _UnlockedComputeDRBDMap(self): |
803 | a81c53c9 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
804 | a81c53c9 | Iustin Pop |
|
805 | 4a89c54a | Iustin Pop | @rtype: (dict, list)
|
806 | c41eea6e | Iustin Pop | @return: dictionary of node_name: dict of minor: instance_name;
|
807 | c41eea6e | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
808 | 4a89c54a | Iustin Pop | an empty list), and a list of duplicates; if the duplicates
|
809 | 4a89c54a | Iustin Pop | list is not empty, the configuration is corrupted and its caller
|
810 | 4a89c54a | Iustin Pop | should raise an exception
|
811 | a81c53c9 | Iustin Pop |
|
812 | a81c53c9 | Iustin Pop | """
|
813 | a81c53c9 | Iustin Pop | def _AppendUsedPorts(instance_name, disk, used): |
814 | 4a89c54a | Iustin Pop | duplicates = [] |
815 | f9518d38 | Iustin Pop | if disk.dev_type == constants.LD_DRBD8 and len(disk.logical_id) >= 5: |
816 | 7c4d6c7b | Michael Hanselmann | node_a, node_b, _, minor_a, minor_b = disk.logical_id[:5]
|
817 | 7c4d6c7b | Michael Hanselmann | for node, port in ((node_a, minor_a), (node_b, minor_b)): |
818 | 4a89c54a | Iustin Pop | assert node in used, ("Node '%s' of instance '%s' not found" |
819 | 4a89c54a | Iustin Pop | " in node list" % (node, instance_name))
|
820 | a81c53c9 | Iustin Pop | if port in used[node]: |
821 | 4a89c54a | Iustin Pop | duplicates.append((node, port, instance_name, used[node][port])) |
822 | 4a89c54a | Iustin Pop | else:
|
823 | 4a89c54a | Iustin Pop | used[node][port] = instance_name |
824 | a81c53c9 | Iustin Pop | if disk.children:
|
825 | a81c53c9 | Iustin Pop | for child in disk.children: |
826 | 4a89c54a | Iustin Pop | duplicates.extend(_AppendUsedPorts(instance_name, child, used)) |
827 | 4a89c54a | Iustin Pop | return duplicates
|
828 | a81c53c9 | Iustin Pop | |
829 | 4a89c54a | Iustin Pop | duplicates = [] |
830 | a81c53c9 | Iustin Pop | my_dict = dict((node, {}) for node in self._config_data.nodes) |
831 | 79b26a7a | Iustin Pop | for instance in self._config_data.instances.itervalues(): |
832 | 79b26a7a | Iustin Pop | for disk in instance.disks: |
833 | 79b26a7a | Iustin Pop | duplicates.extend(_AppendUsedPorts(instance.name, disk, my_dict)) |
834 | a81c53c9 | Iustin Pop | for (node, minor), instance in self._temporary_drbds.iteritems(): |
835 | 79b26a7a | Iustin Pop | if minor in my_dict[node] and my_dict[node][minor] != instance: |
836 | 4a89c54a | Iustin Pop | duplicates.append((node, minor, instance, my_dict[node][minor])) |
837 | 4a89c54a | Iustin Pop | else:
|
838 | 4a89c54a | Iustin Pop | my_dict[node][minor] = instance |
839 | 4a89c54a | Iustin Pop | return my_dict, duplicates
|
840 | a81c53c9 | Iustin Pop | |
841 | a81c53c9 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
842 | 6d2e83d5 | Iustin Pop | def ComputeDRBDMap(self): |
843 | 6d2e83d5 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
844 | 6d2e83d5 | Iustin Pop |
|
845 | 6d2e83d5 | Iustin Pop | This is just a wrapper over L{_UnlockedComputeDRBDMap}.
|
846 | 6d2e83d5 | Iustin Pop |
|
847 | 6d2e83d5 | Iustin Pop | @return: dictionary of node_name: dict of minor: instance_name;
|
848 | 6d2e83d5 | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
849 | 6d2e83d5 | Iustin Pop | an empty list).
|
850 | 6d2e83d5 | Iustin Pop |
|
851 | 6d2e83d5 | Iustin Pop | """
|
852 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
853 | 4a89c54a | Iustin Pop | if duplicates:
|
854 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
855 | 4a89c54a | Iustin Pop | str(duplicates))
|
856 | 4a89c54a | Iustin Pop | return d_map
|
857 | 6d2e83d5 | Iustin Pop | |
858 | 6d2e83d5 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
859 | a81c53c9 | Iustin Pop | def AllocateDRBDMinor(self, nodes, instance): |
860 | a81c53c9 | Iustin Pop | """Allocate a drbd minor.
|
861 | a81c53c9 | Iustin Pop |
|
862 | a81c53c9 | Iustin Pop | The free minor will be automatically computed from the existing
|
863 | a81c53c9 | Iustin Pop | devices. A node can be given multiple times in order to allocate
|
864 | a81c53c9 | Iustin Pop | multiple minors. The result is the list of minors, in the same
|
865 | a81c53c9 | Iustin Pop | order as the passed nodes.
|
866 | a81c53c9 | Iustin Pop |
|
867 | 32388e6d | Iustin Pop | @type instance: string
|
868 | 32388e6d | Iustin Pop | @param instance: the instance for which we allocate minors
|
869 | 32388e6d | Iustin Pop |
|
870 | a81c53c9 | Iustin Pop | """
|
871 | 32388e6d | Iustin Pop | assert isinstance(instance, basestring), \ |
872 | 4a89c54a | Iustin Pop | "Invalid argument '%s' passed to AllocateDRBDMinor" % instance
|
873 | 32388e6d | Iustin Pop | |
874 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
875 | 4a89c54a | Iustin Pop | if duplicates:
|
876 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
877 | 4a89c54a | Iustin Pop | str(duplicates))
|
878 | a81c53c9 | Iustin Pop | result = [] |
879 | a81c53c9 | Iustin Pop | for nname in nodes: |
880 | a81c53c9 | Iustin Pop | ndata = d_map[nname] |
881 | a81c53c9 | Iustin Pop | if not ndata: |
882 | a81c53c9 | Iustin Pop | # no minors used, we can start at 0
|
883 | a81c53c9 | Iustin Pop | result.append(0)
|
884 | a81c53c9 | Iustin Pop | ndata[0] = instance
|
885 | d48663e4 | Iustin Pop | self._temporary_drbds[(nname, 0)] = instance |
886 | a81c53c9 | Iustin Pop | continue
|
887 | a81c53c9 | Iustin Pop | keys = ndata.keys() |
888 | a81c53c9 | Iustin Pop | keys.sort() |
889 | a81c53c9 | Iustin Pop | ffree = utils.FirstFree(keys) |
890 | a81c53c9 | Iustin Pop | if ffree is None: |
891 | a81c53c9 | Iustin Pop | # return the next minor
|
892 | a81c53c9 | Iustin Pop | # TODO: implement high-limit check
|
893 | a81c53c9 | Iustin Pop | minor = keys[-1] + 1 |
894 | a81c53c9 | Iustin Pop | else:
|
895 | a81c53c9 | Iustin Pop | minor = ffree |
896 | 4a89c54a | Iustin Pop | # double-check minor against current instances
|
897 | 4a89c54a | Iustin Pop | assert minor not in d_map[nname], \ |
898 | 4a89c54a | Iustin Pop | ("Attempt to reuse allocated DRBD minor %d on node %s,"
|
899 | 4a89c54a | Iustin Pop | " already allocated to instance %s" %
|
900 | 4a89c54a | Iustin Pop | (minor, nname, d_map[nname][minor])) |
901 | a81c53c9 | Iustin Pop | ndata[minor] = instance |
902 | 4a89c54a | Iustin Pop | # double-check minor against reservation
|
903 | 4a89c54a | Iustin Pop | r_key = (nname, minor) |
904 | 4a89c54a | Iustin Pop | assert r_key not in self._temporary_drbds, \ |
905 | 4a89c54a | Iustin Pop | ("Attempt to reuse reserved DRBD minor %d on node %s,"
|
906 | 4a89c54a | Iustin Pop | " reserved for instance %s" %
|
907 | 4a89c54a | Iustin Pop | (minor, nname, self._temporary_drbds[r_key]))
|
908 | 4a89c54a | Iustin Pop | self._temporary_drbds[r_key] = instance
|
909 | 4a89c54a | Iustin Pop | result.append(minor) |
910 | a81c53c9 | Iustin Pop | logging.debug("Request to allocate drbd minors, input: %s, returning %s",
|
911 | a81c53c9 | Iustin Pop | nodes, result) |
912 | a81c53c9 | Iustin Pop | return result
|
913 | a81c53c9 | Iustin Pop | |
914 | 61cf6b5e | Iustin Pop | def _UnlockedReleaseDRBDMinors(self, instance): |
915 | a81c53c9 | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
916 | a81c53c9 | Iustin Pop |
|
917 | a81c53c9 | Iustin Pop | @type instance: string
|
918 | a81c53c9 | Iustin Pop | @param instance: the instance for which temporary minors should be
|
919 | a81c53c9 | Iustin Pop | released
|
920 | a81c53c9 | Iustin Pop |
|
921 | a81c53c9 | Iustin Pop | """
|
922 | 32388e6d | Iustin Pop | assert isinstance(instance, basestring), \ |
923 | 32388e6d | Iustin Pop | "Invalid argument passed to ReleaseDRBDMinors"
|
924 | a81c53c9 | Iustin Pop | for key, name in self._temporary_drbds.items(): |
925 | a81c53c9 | Iustin Pop | if name == instance:
|
926 | a81c53c9 | Iustin Pop | del self._temporary_drbds[key] |
927 | a81c53c9 | Iustin Pop | |
928 | 61cf6b5e | Iustin Pop | @locking.ssynchronized(_config_lock)
|
929 | 61cf6b5e | Iustin Pop | def ReleaseDRBDMinors(self, instance): |
930 | 61cf6b5e | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
931 | 61cf6b5e | Iustin Pop |
|
932 | 61cf6b5e | Iustin Pop | This should be called on the error paths, on the success paths
|
933 | 61cf6b5e | Iustin Pop | it's automatically called by the ConfigWriter add and update
|
934 | 61cf6b5e | Iustin Pop | functions.
|
935 | 61cf6b5e | Iustin Pop |
|
936 | 61cf6b5e | Iustin Pop | This function is just a wrapper over L{_UnlockedReleaseDRBDMinors}.
|
937 | 61cf6b5e | Iustin Pop |
|
938 | 61cf6b5e | Iustin Pop | @type instance: string
|
939 | 61cf6b5e | Iustin Pop | @param instance: the instance for which temporary minors should be
|
940 | 61cf6b5e | Iustin Pop | released
|
941 | 61cf6b5e | Iustin Pop |
|
942 | 61cf6b5e | Iustin Pop | """
|
943 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(instance)
|
944 | 61cf6b5e | Iustin Pop | |
945 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
946 | 4a8b186a | Michael Hanselmann | def GetConfigVersion(self): |
947 | 4a8b186a | Michael Hanselmann | """Get the configuration version.
|
948 | 4a8b186a | Michael Hanselmann |
|
949 | 4a8b186a | Michael Hanselmann | @return: Config version
|
950 | 4a8b186a | Michael Hanselmann |
|
951 | 4a8b186a | Michael Hanselmann | """
|
952 | 4a8b186a | Michael Hanselmann | return self._config_data.version |
953 | 4a8b186a | Michael Hanselmann | |
954 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
955 | 4a8b186a | Michael Hanselmann | def GetClusterName(self): |
956 | 4a8b186a | Michael Hanselmann | """Get cluster name.
|
957 | 4a8b186a | Michael Hanselmann |
|
958 | 4a8b186a | Michael Hanselmann | @return: Cluster name
|
959 | 4a8b186a | Michael Hanselmann |
|
960 | 4a8b186a | Michael Hanselmann | """
|
961 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.cluster_name |
962 | 4a8b186a | Michael Hanselmann | |
963 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
964 | 4a8b186a | Michael Hanselmann | def GetMasterNode(self): |
965 | 4a8b186a | Michael Hanselmann | """Get the hostname of the master node for this cluster.
|
966 | 4a8b186a | Michael Hanselmann |
|
967 | 4a8b186a | Michael Hanselmann | @return: Master hostname
|
968 | 4a8b186a | Michael Hanselmann |
|
969 | 4a8b186a | Michael Hanselmann | """
|
970 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_node |
971 | 4a8b186a | Michael Hanselmann | |
972 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
973 | 4a8b186a | Michael Hanselmann | def GetMasterIP(self): |
974 | 4a8b186a | Michael Hanselmann | """Get the IP of the master node for this cluster.
|
975 | 4a8b186a | Michael Hanselmann |
|
976 | 4a8b186a | Michael Hanselmann | @return: Master IP
|
977 | 4a8b186a | Michael Hanselmann |
|
978 | 4a8b186a | Michael Hanselmann | """
|
979 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_ip |
980 | 4a8b186a | Michael Hanselmann | |
981 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
982 | 4a8b186a | Michael Hanselmann | def GetMasterNetdev(self): |
983 | 4a8b186a | Michael Hanselmann | """Get the master network device for this cluster.
|
984 | 4a8b186a | Michael Hanselmann |
|
985 | 4a8b186a | Michael Hanselmann | """
|
986 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_netdev |
987 | 4a8b186a | Michael Hanselmann | |
988 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
989 | 5a8648eb | Andrea Spadaccini | def GetMasterNetmask(self): |
990 | 5a8648eb | Andrea Spadaccini | """Get the netmask of the master node for this cluster.
|
991 | 5a8648eb | Andrea Spadaccini |
|
992 | 5a8648eb | Andrea Spadaccini | """
|
993 | 5a8648eb | Andrea Spadaccini | return self._config_data.cluster.master_netmask |
994 | 5a8648eb | Andrea Spadaccini | |
995 | 5a8648eb | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
996 | 33be7576 | Andrea Spadaccini | def GetUseExternalMipScript(self): |
997 | 33be7576 | Andrea Spadaccini | """Get flag representing whether to use the external master IP setup script.
|
998 | 33be7576 | Andrea Spadaccini |
|
999 | 33be7576 | Andrea Spadaccini | """
|
1000 | 33be7576 | Andrea Spadaccini | return self._config_data.cluster.use_external_mip_script |
1001 | 33be7576 | Andrea Spadaccini | |
1002 | 33be7576 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1003 | 4a8b186a | Michael Hanselmann | def GetFileStorageDir(self): |
1004 | 4a8b186a | Michael Hanselmann | """Get the file storage dir for this cluster.
|
1005 | 4a8b186a | Michael Hanselmann |
|
1006 | 4a8b186a | Michael Hanselmann | """
|
1007 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.file_storage_dir |
1008 | 4a8b186a | Michael Hanselmann | |
1009 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1010 | 4b97f902 | Apollon Oikonomopoulos | def GetSharedFileStorageDir(self): |
1011 | 4b97f902 | Apollon Oikonomopoulos | """Get the shared file storage dir for this cluster.
|
1012 | 4b97f902 | Apollon Oikonomopoulos |
|
1013 | 4b97f902 | Apollon Oikonomopoulos | """
|
1014 | 4b97f902 | Apollon Oikonomopoulos | return self._config_data.cluster.shared_file_storage_dir |
1015 | 4b97f902 | Apollon Oikonomopoulos | |
1016 | 4b97f902 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1017 | 4a8b186a | Michael Hanselmann | def GetHypervisorType(self): |
1018 | 4a8b186a | Michael Hanselmann | """Get the hypervisor type for this cluster.
|
1019 | 4a8b186a | Michael Hanselmann |
|
1020 | 4a8b186a | Michael Hanselmann | """
|
1021 | 066f465d | Guido Trotter | return self._config_data.cluster.enabled_hypervisors[0] |
1022 | 4a8b186a | Michael Hanselmann | |
1023 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1024 | a8083063 | Iustin Pop | def GetHostKey(self): |
1025 | a8083063 | Iustin Pop | """Return the rsa hostkey from the config.
|
1026 | a8083063 | Iustin Pop |
|
1027 | c41eea6e | Iustin Pop | @rtype: string
|
1028 | c41eea6e | Iustin Pop | @return: the rsa hostkey
|
1029 | a8083063 | Iustin Pop |
|
1030 | a8083063 | Iustin Pop | """
|
1031 | a8083063 | Iustin Pop | return self._config_data.cluster.rsahostkeypub |
1032 | a8083063 | Iustin Pop | |
1033 | bf4af505 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1034 | bf4af505 | Apollon Oikonomopoulos | def GetDefaultIAllocator(self): |
1035 | bf4af505 | Apollon Oikonomopoulos | """Get the default instance allocator for this cluster.
|
1036 | bf4af505 | Apollon Oikonomopoulos |
|
1037 | bf4af505 | Apollon Oikonomopoulos | """
|
1038 | bf4af505 | Apollon Oikonomopoulos | return self._config_data.cluster.default_iallocator |
1039 | bf4af505 | Apollon Oikonomopoulos | |
1040 | 868a98ca | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
1041 | 868a98ca | Manuel Franceschini | def GetPrimaryIPFamily(self): |
1042 | 868a98ca | Manuel Franceschini | """Get cluster primary ip family.
|
1043 | 868a98ca | Manuel Franceschini |
|
1044 | 868a98ca | Manuel Franceschini | @return: primary ip family
|
1045 | 868a98ca | Manuel Franceschini |
|
1046 | 868a98ca | Manuel Franceschini | """
|
1047 | 868a98ca | Manuel Franceschini | return self._config_data.cluster.primary_ip_family |
1048 | 868a98ca | Manuel Franceschini | |
1049 | c9f4b8e6 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1050 | c9f4b8e6 | Andrea Spadaccini | def GetMasterNetworkParameters(self): |
1051 | c9f4b8e6 | Andrea Spadaccini | """Get network parameters of the master node.
|
1052 | c9f4b8e6 | Andrea Spadaccini |
|
1053 | f9d20654 | Andrea Spadaccini | @rtype: L{object.MasterNetworkParameters}
|
1054 | f9d20654 | Andrea Spadaccini | @return: network parameters of the master node
|
1055 | c9f4b8e6 | Andrea Spadaccini |
|
1056 | c9f4b8e6 | Andrea Spadaccini | """
|
1057 | c9f4b8e6 | Andrea Spadaccini | cluster = self._config_data.cluster
|
1058 | 5ae4945a | Iustin Pop | result = objects.MasterNetworkParameters( |
1059 | 5ae4945a | Iustin Pop | name=cluster.master_node, ip=cluster.master_ip, |
1060 | 5ae4945a | Iustin Pop | netmask=cluster.master_netmask, netdev=cluster.master_netdev, |
1061 | c79198a0 | Andrea Spadaccini | ip_family=cluster.primary_ip_family) |
1062 | c9f4b8e6 | Andrea Spadaccini | |
1063 | f9d20654 | Andrea Spadaccini | return result
|
1064 | f9d20654 | Andrea Spadaccini | |
1065 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1066 | e11a1b77 | Adeodato Simo | def AddNodeGroup(self, group, ec_id, check_uuid=True): |
1067 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1068 | e11a1b77 | Adeodato Simo |
|
1069 | 90e99856 | Adeodato Simo | This method calls group.UpgradeConfig() to fill any missing attributes
|
1070 | 90e99856 | Adeodato Simo | according to their default values.
|
1071 | 90e99856 | Adeodato Simo |
|
1072 | e11a1b77 | Adeodato Simo | @type group: L{objects.NodeGroup}
|
1073 | e11a1b77 | Adeodato Simo | @param group: the NodeGroup object to add
|
1074 | e11a1b77 | Adeodato Simo | @type ec_id: string
|
1075 | e11a1b77 | Adeodato Simo | @param ec_id: unique id for the job to use when creating a missing UUID
|
1076 | e11a1b77 | Adeodato Simo | @type check_uuid: bool
|
1077 | e11a1b77 | Adeodato Simo | @param check_uuid: add an UUID to the group if it doesn't have one or, if
|
1078 | e11a1b77 | Adeodato Simo | it does, ensure that it does not exist in the
|
1079 | e11a1b77 | Adeodato Simo | configuration already
|
1080 | e11a1b77 | Adeodato Simo |
|
1081 | e11a1b77 | Adeodato Simo | """
|
1082 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(group, ec_id, check_uuid)
|
1083 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1084 | e11a1b77 | Adeodato Simo | |
1085 | e11a1b77 | Adeodato Simo | def _UnlockedAddNodeGroup(self, group, ec_id, check_uuid): |
1086 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1087 | e11a1b77 | Adeodato Simo |
|
1088 | e11a1b77 | Adeodato Simo | """
|
1089 | e11a1b77 | Adeodato Simo | logging.info("Adding node group %s to configuration", group.name)
|
1090 | e11a1b77 | Adeodato Simo | |
1091 | e11a1b77 | Adeodato Simo | # Some code might need to add a node group with a pre-populated UUID
|
1092 | e11a1b77 | Adeodato Simo | # generated with ConfigWriter.GenerateUniqueID(). We allow them to bypass
|
1093 | e11a1b77 | Adeodato Simo | # the "does this UUID" exist already check.
|
1094 | e11a1b77 | Adeodato Simo | if check_uuid:
|
1095 | e11a1b77 | Adeodato Simo | self._EnsureUUID(group, ec_id)
|
1096 | e11a1b77 | Adeodato Simo | |
1097 | 18ffc0fe | Stephen Shirley | try:
|
1098 | 18ffc0fe | Stephen Shirley | existing_uuid = self._UnlockedLookupNodeGroup(group.name)
|
1099 | 18ffc0fe | Stephen Shirley | except errors.OpPrereqError:
|
1100 | 18ffc0fe | Stephen Shirley | pass
|
1101 | 18ffc0fe | Stephen Shirley | else:
|
1102 | 18ffc0fe | Stephen Shirley | raise errors.OpPrereqError("Desired group name '%s' already exists as a" |
1103 | 18ffc0fe | Stephen Shirley | " node group (UUID: %s)" %
|
1104 | 18ffc0fe | Stephen Shirley | (group.name, existing_uuid), |
1105 | 18ffc0fe | Stephen Shirley | errors.ECODE_EXISTS) |
1106 | 18ffc0fe | Stephen Shirley | |
1107 | e11a1b77 | Adeodato Simo | group.serial_no = 1
|
1108 | e11a1b77 | Adeodato Simo | group.ctime = group.mtime = time.time() |
1109 | 90e99856 | Adeodato Simo | group.UpgradeConfig() |
1110 | e11a1b77 | Adeodato Simo | |
1111 | e11a1b77 | Adeodato Simo | self._config_data.nodegroups[group.uuid] = group
|
1112 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1113 | e11a1b77 | Adeodato Simo | |
1114 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1115 | e11a1b77 | Adeodato Simo | def RemoveNodeGroup(self, group_uuid): |
1116 | e11a1b77 | Adeodato Simo | """Remove a node group from the configuration.
|
1117 | e11a1b77 | Adeodato Simo |
|
1118 | e11a1b77 | Adeodato Simo | @type group_uuid: string
|
1119 | e11a1b77 | Adeodato Simo | @param group_uuid: the UUID of the node group to remove
|
1120 | e11a1b77 | Adeodato Simo |
|
1121 | e11a1b77 | Adeodato Simo | """
|
1122 | e11a1b77 | Adeodato Simo | logging.info("Removing node group %s from configuration", group_uuid)
|
1123 | e11a1b77 | Adeodato Simo | |
1124 | e11a1b77 | Adeodato Simo | if group_uuid not in self._config_data.nodegroups: |
1125 | e11a1b77 | Adeodato Simo | raise errors.ConfigurationError("Unknown node group '%s'" % group_uuid) |
1126 | e11a1b77 | Adeodato Simo | |
1127 | 0389c42a | Stephen Shirley | assert len(self._config_data.nodegroups) != 1, \ |
1128 | 0389c42a | Stephen Shirley | "Group '%s' is the only group, cannot be removed" % group_uuid
|
1129 | 0389c42a | Stephen Shirley | |
1130 | e11a1b77 | Adeodato Simo | del self._config_data.nodegroups[group_uuid] |
1131 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1132 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1133 | e11a1b77 | Adeodato Simo | |
1134 | e85d8982 | Stephen Shirley | def _UnlockedLookupNodeGroup(self, target): |
1135 | 412b3531 | Guido Trotter | """Lookup a node group's UUID.
|
1136 | eaa98a04 | Guido Trotter |
|
1137 | eaa98a04 | Guido Trotter | @type target: string or None
|
1138 | 412b3531 | Guido Trotter | @param target: group name or UUID or None to look for the default
|
1139 | eaa98a04 | Guido Trotter | @rtype: string
|
1140 | 412b3531 | Guido Trotter | @return: nodegroup UUID
|
1141 | eaa98a04 | Guido Trotter | @raises errors.OpPrereqError: when the target group cannot be found
|
1142 | eaa98a04 | Guido Trotter |
|
1143 | eaa98a04 | Guido Trotter | """
|
1144 | eaa98a04 | Guido Trotter | if target is None: |
1145 | eaa98a04 | Guido Trotter | if len(self._config_data.nodegroups) != 1: |
1146 | 913cc25e | Adeodato Simo | raise errors.OpPrereqError("More than one node group exists. Target" |
1147 | 2ed0e208 | Iustin Pop | " group must be specified explicitly.")
|
1148 | eaa98a04 | Guido Trotter | else:
|
1149 | eaa98a04 | Guido Trotter | return self._config_data.nodegroups.keys()[0] |
1150 | eaa98a04 | Guido Trotter | if target in self._config_data.nodegroups: |
1151 | eaa98a04 | Guido Trotter | return target
|
1152 | eaa98a04 | Guido Trotter | for nodegroup in self._config_data.nodegroups.values(): |
1153 | eaa98a04 | Guido Trotter | if nodegroup.name == target:
|
1154 | eaa98a04 | Guido Trotter | return nodegroup.uuid
|
1155 | e0f9ed64 | Adeodato Simo | raise errors.OpPrereqError("Node group '%s' not found" % target, |
1156 | e0f9ed64 | Adeodato Simo | errors.ECODE_NOENT) |
1157 | eaa98a04 | Guido Trotter | |
1158 | e85d8982 | Stephen Shirley | @locking.ssynchronized(_config_lock, shared=1) |
1159 | e85d8982 | Stephen Shirley | def LookupNodeGroup(self, target): |
1160 | e85d8982 | Stephen Shirley | """Lookup a node group's UUID.
|
1161 | e85d8982 | Stephen Shirley |
|
1162 | e85d8982 | Stephen Shirley | This function is just a wrapper over L{_UnlockedLookupNodeGroup}.
|
1163 | e85d8982 | Stephen Shirley |
|
1164 | e85d8982 | Stephen Shirley | @type target: string or None
|
1165 | e85d8982 | Stephen Shirley | @param target: group name or UUID or None to look for the default
|
1166 | e85d8982 | Stephen Shirley | @rtype: string
|
1167 | e85d8982 | Stephen Shirley | @return: nodegroup UUID
|
1168 | e85d8982 | Stephen Shirley |
|
1169 | e85d8982 | Stephen Shirley | """
|
1170 | e85d8982 | Stephen Shirley | return self._UnlockedLookupNodeGroup(target) |
1171 | e85d8982 | Stephen Shirley | |
1172 | 5768e6a6 | René Nussbaumer | def _UnlockedGetNodeGroup(self, uuid): |
1173 | 648e4196 | Guido Trotter | """Lookup a node group.
|
1174 | 648e4196 | Guido Trotter |
|
1175 | 648e4196 | Guido Trotter | @type uuid: string
|
1176 | 648e4196 | Guido Trotter | @param uuid: group UUID
|
1177 | 648e4196 | Guido Trotter | @rtype: L{objects.NodeGroup} or None
|
1178 | 648e4196 | Guido Trotter | @return: nodegroup object, or None if not found
|
1179 | 648e4196 | Guido Trotter |
|
1180 | 648e4196 | Guido Trotter | """
|
1181 | 648e4196 | Guido Trotter | if uuid not in self._config_data.nodegroups: |
1182 | 648e4196 | Guido Trotter | return None |
1183 | 648e4196 | Guido Trotter | |
1184 | 648e4196 | Guido Trotter | return self._config_data.nodegroups[uuid] |
1185 | 648e4196 | Guido Trotter | |
1186 | 648e4196 | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1187 | 5768e6a6 | René Nussbaumer | def GetNodeGroup(self, uuid): |
1188 | 5768e6a6 | René Nussbaumer | """Lookup a node group.
|
1189 | 5768e6a6 | René Nussbaumer |
|
1190 | 5768e6a6 | René Nussbaumer | @type uuid: string
|
1191 | 5768e6a6 | René Nussbaumer | @param uuid: group UUID
|
1192 | 5768e6a6 | René Nussbaumer | @rtype: L{objects.NodeGroup} or None
|
1193 | 5768e6a6 | René Nussbaumer | @return: nodegroup object, or None if not found
|
1194 | 5768e6a6 | René Nussbaumer |
|
1195 | 5768e6a6 | René Nussbaumer | """
|
1196 | 5768e6a6 | René Nussbaumer | return self._UnlockedGetNodeGroup(uuid) |
1197 | 5768e6a6 | René Nussbaumer | |
1198 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
1199 | 622444e5 | Iustin Pop | def GetAllNodeGroupsInfo(self): |
1200 | 622444e5 | Iustin Pop | """Get the configuration of all node groups.
|
1201 | 622444e5 | Iustin Pop |
|
1202 | 622444e5 | Iustin Pop | """
|
1203 | 622444e5 | Iustin Pop | return dict(self._config_data.nodegroups) |
1204 | 622444e5 | Iustin Pop | |
1205 | 1ac6f2ad | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1206 | 1ac6f2ad | Guido Trotter | def GetNodeGroupList(self): |
1207 | 1ac6f2ad | Guido Trotter | """Get a list of node groups.
|
1208 | 1ac6f2ad | Guido Trotter |
|
1209 | 1ac6f2ad | Guido Trotter | """
|
1210 | 1ac6f2ad | Guido Trotter | return self._config_data.nodegroups.keys() |
1211 | 1ac6f2ad | Guido Trotter | |
1212 | dac81741 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1213 | dac81741 | Michael Hanselmann | def GetNodeGroupMembersByNodes(self, nodes): |
1214 | dac81741 | Michael Hanselmann | """Get nodes which are member in the same nodegroups as the given nodes.
|
1215 | dac81741 | Michael Hanselmann |
|
1216 | dac81741 | Michael Hanselmann | """
|
1217 | dac81741 | Michael Hanselmann | ngfn = lambda node_name: self._UnlockedGetNodeInfo(node_name).group |
1218 | dac81741 | Michael Hanselmann | return frozenset(member_name |
1219 | dac81741 | Michael Hanselmann | for node_name in nodes |
1220 | dac81741 | Michael Hanselmann | for member_name in |
1221 | dac81741 | Michael Hanselmann | self._UnlockedGetNodeGroup(ngfn(node_name)).members)
|
1222 | dac81741 | Michael Hanselmann | |
1223 | 080fbeea | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1224 | 080fbeea | Michael Hanselmann | def GetMultiNodeGroupInfo(self, group_uuids): |
1225 | 080fbeea | Michael Hanselmann | """Get the configuration of multiple node groups.
|
1226 | 080fbeea | Michael Hanselmann |
|
1227 | 080fbeea | Michael Hanselmann | @param group_uuids: List of node group UUIDs
|
1228 | 080fbeea | Michael Hanselmann | @rtype: list
|
1229 | 080fbeea | Michael Hanselmann | @return: List of tuples of (group_uuid, group_info)
|
1230 | 080fbeea | Michael Hanselmann |
|
1231 | 080fbeea | Michael Hanselmann | """
|
1232 | 080fbeea | Michael Hanselmann | return [(uuid, self._UnlockedGetNodeGroup(uuid)) for uuid in group_uuids] |
1233 | 080fbeea | Michael Hanselmann | |
1234 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1235 | 0debfb35 | Guido Trotter | def AddInstance(self, instance, ec_id): |
1236 | a8083063 | Iustin Pop | """Add an instance to the config.
|
1237 | a8083063 | Iustin Pop |
|
1238 | a8083063 | Iustin Pop | This should be used after creating a new instance.
|
1239 | a8083063 | Iustin Pop |
|
1240 | c41eea6e | Iustin Pop | @type instance: L{objects.Instance}
|
1241 | c41eea6e | Iustin Pop | @param instance: the instance object
|
1242 | c41eea6e | Iustin Pop |
|
1243 | a8083063 | Iustin Pop | """
|
1244 | a8083063 | Iustin Pop | if not isinstance(instance, objects.Instance): |
1245 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed to AddInstance") |
1246 | a8083063 | Iustin Pop | |
1247 | e00fb268 | Iustin Pop | if instance.disk_template != constants.DT_DISKLESS:
|
1248 | e00fb268 | Iustin Pop | all_lvs = instance.MapLVsByNode() |
1249 | 74a48621 | Iustin Pop | logging.info("Instance '%s' DISK_LAYOUT: %s", instance.name, all_lvs)
|
1250 | 923b1523 | Iustin Pop | |
1251 | e4640214 | Guido Trotter | all_macs = self._AllMACs()
|
1252 | e4640214 | Guido Trotter | for nic in instance.nics: |
1253 | e4640214 | Guido Trotter | if nic.mac in all_macs: |
1254 | e4640214 | Guido Trotter | raise errors.ConfigurationError("Cannot add instance %s:" |
1255 | 430b923c | Iustin Pop | " MAC address '%s' already in use." %
|
1256 | 430b923c | Iustin Pop | (instance.name, nic.mac)) |
1257 | 430b923c | Iustin Pop | |
1258 | 0debfb35 | Guido Trotter | self._EnsureUUID(instance, ec_id)
|
1259 | e4640214 | Guido Trotter | |
1260 | b989e85d | Iustin Pop | instance.serial_no = 1
|
1261 | d693c864 | Iustin Pop | instance.ctime = instance.mtime = time.time() |
1262 | a8083063 | Iustin Pop | self._config_data.instances[instance.name] = instance
|
1263 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1264 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(instance.name)
|
1265 | a8083063 | Iustin Pop | self._WriteConfig()
|
1266 | a8083063 | Iustin Pop | |
1267 | 0debfb35 | Guido Trotter | def _EnsureUUID(self, item, ec_id): |
1268 | 430b923c | Iustin Pop | """Ensures a given object has a valid UUID.
|
1269 | 430b923c | Iustin Pop |
|
1270 | 430b923c | Iustin Pop | @param item: the instance or node to be checked
|
1271 | 0debfb35 | Guido Trotter | @param ec_id: the execution context id for the uuid reservation
|
1272 | 430b923c | Iustin Pop |
|
1273 | 430b923c | Iustin Pop | """
|
1274 | 430b923c | Iustin Pop | if not item.uuid: |
1275 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(ec_id)
|
1276 | be0fc05d | Iustin Pop | elif item.uuid in self._AllIDs(include_temporary=True): |
1277 | be0fc05d | Iustin Pop | raise errors.ConfigurationError("Cannot add '%s': UUID %s already" |
1278 | be0fc05d | Iustin Pop | " in use" % (item.name, item.uuid))
|
1279 | 430b923c | Iustin Pop | |
1280 | 6a408fb2 | Iustin Pop | def _SetInstanceStatus(self, instance_name, status): |
1281 | 6a408fb2 | Iustin Pop | """Set the instance's status to a given value.
|
1282 | a8083063 | Iustin Pop |
|
1283 | a8083063 | Iustin Pop | """
|
1284 | 2e04d454 | Agata Murawska | assert status in constants.ADMINST_ALL, \ |
1285 | 0d68c45d | Iustin Pop | "Invalid status '%s' passed to SetInstanceStatus" % (status,)
|
1286 | a8083063 | Iustin Pop | |
1287 | a8083063 | Iustin Pop | if instance_name not in self._config_data.instances: |
1288 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % |
1289 | 3ecf6786 | Iustin Pop | instance_name) |
1290 | a8083063 | Iustin Pop | instance = self._config_data.instances[instance_name]
|
1291 | 9ca8a7c5 | Agata Murawska | if instance.admin_state != status:
|
1292 | 9ca8a7c5 | Agata Murawska | instance.admin_state = status |
1293 | b989e85d | Iustin Pop | instance.serial_no += 1
|
1294 | d693c864 | Iustin Pop | instance.mtime = time.time() |
1295 | 455a3445 | Iustin Pop | self._WriteConfig()
|
1296 | a8083063 | Iustin Pop | |
1297 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1298 | 6a408fb2 | Iustin Pop | def MarkInstanceUp(self, instance_name): |
1299 | 6a408fb2 | Iustin Pop | """Mark the instance status to up in the config.
|
1300 | 6a408fb2 | Iustin Pop |
|
1301 | 6a408fb2 | Iustin Pop | """
|
1302 | 57de31c0 | Agata Murawska | self._SetInstanceStatus(instance_name, constants.ADMINST_UP)
|
1303 | 57de31c0 | Agata Murawska | |
1304 | 57de31c0 | Agata Murawska | @locking.ssynchronized(_config_lock)
|
1305 | 57de31c0 | Agata Murawska | def MarkInstanceOffline(self, instance_name): |
1306 | 57de31c0 | Agata Murawska | """Mark the instance status to down in the config.
|
1307 | 57de31c0 | Agata Murawska |
|
1308 | 57de31c0 | Agata Murawska | """
|
1309 | 57de31c0 | Agata Murawska | self._SetInstanceStatus(instance_name, constants.ADMINST_OFFLINE)
|
1310 | 6a408fb2 | Iustin Pop | |
1311 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1312 | a8083063 | Iustin Pop | def RemoveInstance(self, instance_name): |
1313 | a8083063 | Iustin Pop | """Remove the instance from the configuration.
|
1314 | a8083063 | Iustin Pop |
|
1315 | a8083063 | Iustin Pop | """
|
1316 | a8083063 | Iustin Pop | if instance_name not in self._config_data.instances: |
1317 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % instance_name) |
1318 | f396ad8c | Vangelis Koukis | |
1319 | f396ad8c | Vangelis Koukis | # If a network port has been allocated to the instance,
|
1320 | f396ad8c | Vangelis Koukis | # return it to the pool of free ports.
|
1321 | f396ad8c | Vangelis Koukis | inst = self._config_data.instances[instance_name]
|
1322 | f396ad8c | Vangelis Koukis | network_port = getattr(inst, "network_port", None) |
1323 | f396ad8c | Vangelis Koukis | if network_port is not None: |
1324 | f396ad8c | Vangelis Koukis | self._config_data.cluster.tcpudp_port_pool.add(network_port)
|
1325 | f396ad8c | Vangelis Koukis | |
1326 | a8083063 | Iustin Pop | del self._config_data.instances[instance_name] |
1327 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1328 | a8083063 | Iustin Pop | self._WriteConfig()
|
1329 | a8083063 | Iustin Pop | |
1330 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1331 | fc95f88f | Iustin Pop | def RenameInstance(self, old_name, new_name): |
1332 | fc95f88f | Iustin Pop | """Rename an instance.
|
1333 | fc95f88f | Iustin Pop |
|
1334 | fc95f88f | Iustin Pop | This needs to be done in ConfigWriter and not by RemoveInstance
|
1335 | fc95f88f | Iustin Pop | combined with AddInstance as only we can guarantee an atomic
|
1336 | fc95f88f | Iustin Pop | rename.
|
1337 | fc95f88f | Iustin Pop |
|
1338 | fc95f88f | Iustin Pop | """
|
1339 | fc95f88f | Iustin Pop | if old_name not in self._config_data.instances: |
1340 | fc95f88f | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % old_name) |
1341 | ea642319 | Michael Hanselmann | |
1342 | ea642319 | Michael Hanselmann | # Operate on a copy to not loose instance object in case of a failure
|
1343 | ea642319 | Michael Hanselmann | inst = self._config_data.instances[old_name].Copy()
|
1344 | fc95f88f | Iustin Pop | inst.name = new_name |
1345 | b23c4333 | Manuel Franceschini | |
1346 | ea642319 | Michael Hanselmann | for (idx, disk) in enumerate(inst.disks): |
1347 | b23c4333 | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
1348 | b23c4333 | Manuel Franceschini | # rename the file paths in logical and physical id
|
1349 | b23c4333 | Manuel Franceschini | file_storage_dir = os.path.dirname(os.path.dirname(disk.logical_id[1]))
|
1350 | ea642319 | Michael Hanselmann | disk.logical_id = (disk.logical_id[0],
|
1351 | ea642319 | Michael Hanselmann | utils.PathJoin(file_storage_dir, inst.name, |
1352 | ea642319 | Michael Hanselmann | "disk%s" % idx))
|
1353 | ea642319 | Michael Hanselmann | disk.physical_id = disk.logical_id |
1354 | ea642319 | Michael Hanselmann | |
1355 | ea642319 | Michael Hanselmann | # Actually replace instance object
|
1356 | ea642319 | Michael Hanselmann | del self._config_data.instances[old_name] |
1357 | ea642319 | Michael Hanselmann | self._config_data.instances[inst.name] = inst
|
1358 | b23c4333 | Manuel Franceschini | |
1359 | 1fc34c48 | Michael Hanselmann | # Force update of ssconf files
|
1360 | 1fc34c48 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1361 | 1fc34c48 | Michael Hanselmann | |
1362 | fc95f88f | Iustin Pop | self._WriteConfig()
|
1363 | fc95f88f | Iustin Pop | |
1364 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1365 | a8083063 | Iustin Pop | def MarkInstanceDown(self, instance_name): |
1366 | a8083063 | Iustin Pop | """Mark the status of an instance to down in the configuration.
|
1367 | a8083063 | Iustin Pop |
|
1368 | a8083063 | Iustin Pop | """
|
1369 | 2e04d454 | Agata Murawska | self._SetInstanceStatus(instance_name, constants.ADMINST_DOWN)
|
1370 | a8083063 | Iustin Pop | |
1371 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceList(self): |
1372 | 94bbfece | Iustin Pop | """Get the list of instances.
|
1373 | 94bbfece | Iustin Pop |
|
1374 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1375 | 94bbfece | Iustin Pop |
|
1376 | 94bbfece | Iustin Pop | """
|
1377 | 94bbfece | Iustin Pop | return self._config_data.instances.keys() |
1378 | 94bbfece | Iustin Pop | |
1379 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1380 | a8083063 | Iustin Pop | def GetInstanceList(self): |
1381 | a8083063 | Iustin Pop | """Get the list of instances.
|
1382 | a8083063 | Iustin Pop |
|
1383 | c41eea6e | Iustin Pop | @return: array of instances, ex. ['instance2.example.com',
|
1384 | c41eea6e | Iustin Pop | 'instance1.example.com']
|
1385 | a8083063 | Iustin Pop |
|
1386 | a8083063 | Iustin Pop | """
|
1387 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceList() |
1388 | a8083063 | Iustin Pop | |
1389 | a8083063 | Iustin Pop | def ExpandInstanceName(self, short_name): |
1390 | a8083063 | Iustin Pop | """Attempt to expand an incomplete instance name.
|
1391 | a8083063 | Iustin Pop |
|
1392 | a8083063 | Iustin Pop | """
|
1393 | fe698b38 | Michael Hanselmann | # Locking is done in L{ConfigWriter.GetInstanceList}
|
1394 | fe698b38 | Michael Hanselmann | return _MatchNameComponentIgnoreCase(short_name, self.GetInstanceList()) |
1395 | a8083063 | Iustin Pop | |
1396 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceInfo(self, instance_name): |
1397 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1398 | 94bbfece | Iustin Pop |
|
1399 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1400 | 94bbfece | Iustin Pop |
|
1401 | 94bbfece | Iustin Pop | """
|
1402 | 94bbfece | Iustin Pop | if instance_name not in self._config_data.instances: |
1403 | 94bbfece | Iustin Pop | return None |
1404 | 94bbfece | Iustin Pop | |
1405 | 94bbfece | Iustin Pop | return self._config_data.instances[instance_name] |
1406 | 94bbfece | Iustin Pop | |
1407 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1408 | a8083063 | Iustin Pop | def GetInstanceInfo(self, instance_name): |
1409 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1410 | a8083063 | Iustin Pop |
|
1411 | 5bbd3f7f | Michael Hanselmann | It takes the information from the configuration file. Other information of
|
1412 | a8083063 | Iustin Pop | an instance are taken from the live systems.
|
1413 | a8083063 | Iustin Pop |
|
1414 | c41eea6e | Iustin Pop | @param instance_name: name of the instance, e.g.
|
1415 | c41eea6e | Iustin Pop | I{instance1.example.com}
|
1416 | a8083063 | Iustin Pop |
|
1417 | c41eea6e | Iustin Pop | @rtype: L{objects.Instance}
|
1418 | c41eea6e | Iustin Pop | @return: the instance object
|
1419 | a8083063 | Iustin Pop |
|
1420 | a8083063 | Iustin Pop | """
|
1421 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceInfo(instance_name) |
1422 | a8083063 | Iustin Pop | |
1423 | 0b2de758 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1424 | 2674690b | Michael Hanselmann | def GetInstanceNodeGroups(self, instance_name, primary_only=False): |
1425 | 2674690b | Michael Hanselmann | """Returns set of node group UUIDs for instance's nodes.
|
1426 | 2674690b | Michael Hanselmann |
|
1427 | 2674690b | Michael Hanselmann | @rtype: frozenset
|
1428 | 2674690b | Michael Hanselmann |
|
1429 | 2674690b | Michael Hanselmann | """
|
1430 | 2674690b | Michael Hanselmann | instance = self._UnlockedGetInstanceInfo(instance_name)
|
1431 | 2674690b | Michael Hanselmann | if not instance: |
1432 | 2674690b | Michael Hanselmann | raise errors.ConfigurationError("Unknown instance '%s'" % instance_name) |
1433 | 2674690b | Michael Hanselmann | |
1434 | 2674690b | Michael Hanselmann | if primary_only:
|
1435 | 2674690b | Michael Hanselmann | nodes = [instance.primary_node] |
1436 | 2674690b | Michael Hanselmann | else:
|
1437 | 2674690b | Michael Hanselmann | nodes = instance.all_nodes |
1438 | 2674690b | Michael Hanselmann | |
1439 | 2674690b | Michael Hanselmann | return frozenset(self._UnlockedGetNodeInfo(node_name).group |
1440 | 2674690b | Michael Hanselmann | for node_name in nodes) |
1441 | 2674690b | Michael Hanselmann | |
1442 | 2674690b | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1443 | 71333cb9 | Iustin Pop | def GetMultiInstanceInfo(self, instances): |
1444 | 71333cb9 | Iustin Pop | """Get the configuration of multiple instances.
|
1445 | 71333cb9 | Iustin Pop |
|
1446 | 71333cb9 | Iustin Pop | @param instances: list of instance names
|
1447 | 71333cb9 | Iustin Pop | @rtype: list
|
1448 | 71333cb9 | Iustin Pop | @return: list of tuples (instance, instance_info), where
|
1449 | 71333cb9 | Iustin Pop | instance_info is what would GetInstanceInfo return for the
|
1450 | 71333cb9 | Iustin Pop | node, while keeping the original order
|
1451 | 71333cb9 | Iustin Pop |
|
1452 | 71333cb9 | Iustin Pop | """
|
1453 | 71333cb9 | Iustin Pop | return [(name, self._UnlockedGetInstanceInfo(name)) for name in instances] |
1454 | 71333cb9 | Iustin Pop | |
1455 | 71333cb9 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1456 | 0b2de758 | Iustin Pop | def GetAllInstancesInfo(self): |
1457 | 0b2de758 | Iustin Pop | """Get the configuration of all instances.
|
1458 | 0b2de758 | Iustin Pop |
|
1459 | 0b2de758 | Iustin Pop | @rtype: dict
|
1460 | 5fcc718f | Iustin Pop | @return: dict of (instance, instance_info), where instance_info is what
|
1461 | 0b2de758 | Iustin Pop | would GetInstanceInfo return for the node
|
1462 | 0b2de758 | Iustin Pop |
|
1463 | 0b2de758 | Iustin Pop | """
|
1464 | 64d3bd52 | Guido Trotter | my_dict = dict([(instance, self._UnlockedGetInstanceInfo(instance)) |
1465 | 64d3bd52 | Guido Trotter | for instance in self._UnlockedGetInstanceList()]) |
1466 | 0b2de758 | Iustin Pop | return my_dict
|
1467 | 0b2de758 | Iustin Pop | |
1468 | cc19798f | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1469 | cc19798f | Michael Hanselmann | def GetInstancesInfoByFilter(self, filter_fn): |
1470 | cc19798f | Michael Hanselmann | """Get instance configuration with a filter.
|
1471 | cc19798f | Michael Hanselmann |
|
1472 | cc19798f | Michael Hanselmann | @type filter_fn: callable
|
1473 | cc19798f | Michael Hanselmann | @param filter_fn: Filter function receiving instance object as parameter,
|
1474 | cc19798f | Michael Hanselmann | returning boolean. Important: this function is called while the
|
1475 | cc19798f | Michael Hanselmann | configuration locks is held. It must not do any complex work or call
|
1476 | cc19798f | Michael Hanselmann | functions potentially leading to a deadlock. Ideally it doesn't call any
|
1477 | cc19798f | Michael Hanselmann | other functions and just compares instance attributes.
|
1478 | cc19798f | Michael Hanselmann |
|
1479 | cc19798f | Michael Hanselmann | """
|
1480 | cc19798f | Michael Hanselmann | return dict((name, inst) |
1481 | cc19798f | Michael Hanselmann | for (name, inst) in self._config_data.instances.items() |
1482 | cc19798f | Michael Hanselmann | if filter_fn(inst))
|
1483 | cc19798f | Michael Hanselmann | |
1484 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1485 | 0debfb35 | Guido Trotter | def AddNode(self, node, ec_id): |
1486 | a8083063 | Iustin Pop | """Add a node to the configuration.
|
1487 | a8083063 | Iustin Pop |
|
1488 | c41eea6e | Iustin Pop | @type node: L{objects.Node}
|
1489 | c41eea6e | Iustin Pop | @param node: a Node instance
|
1490 | a8083063 | Iustin Pop |
|
1491 | a8083063 | Iustin Pop | """
|
1492 | 099c52ad | Iustin Pop | logging.info("Adding node %s to configuration", node.name)
|
1493 | d8470559 | Michael Hanselmann | |
1494 | 0debfb35 | Guido Trotter | self._EnsureUUID(node, ec_id)
|
1495 | 430b923c | Iustin Pop | |
1496 | b989e85d | Iustin Pop | node.serial_no = 1
|
1497 | d693c864 | Iustin Pop | node.ctime = node.mtime = time.time() |
1498 | f936c153 | Iustin Pop | self._UnlockedAddNodeToGroup(node.name, node.group)
|
1499 | a8083063 | Iustin Pop | self._config_data.nodes[node.name] = node
|
1500 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1501 | a8083063 | Iustin Pop | self._WriteConfig()
|
1502 | a8083063 | Iustin Pop | |
1503 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1504 | a8083063 | Iustin Pop | def RemoveNode(self, node_name): |
1505 | a8083063 | Iustin Pop | """Remove a node from the configuration.
|
1506 | a8083063 | Iustin Pop |
|
1507 | a8083063 | Iustin Pop | """
|
1508 | 099c52ad | Iustin Pop | logging.info("Removing node %s from configuration", node_name)
|
1509 | d8470559 | Michael Hanselmann | |
1510 | a8083063 | Iustin Pop | if node_name not in self._config_data.nodes: |
1511 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown node '%s'" % node_name) |
1512 | a8083063 | Iustin Pop | |
1513 | 190e3cb6 | Guido Trotter | self._UnlockedRemoveNodeFromGroup(self._config_data.nodes[node_name]) |
1514 | a8083063 | Iustin Pop | del self._config_data.nodes[node_name] |
1515 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1516 | a8083063 | Iustin Pop | self._WriteConfig()
|
1517 | a8083063 | Iustin Pop | |
1518 | a8083063 | Iustin Pop | def ExpandNodeName(self, short_name): |
1519 | fe698b38 | Michael Hanselmann | """Attempt to expand an incomplete node name.
|
1520 | a8083063 | Iustin Pop |
|
1521 | a8083063 | Iustin Pop | """
|
1522 | fe698b38 | Michael Hanselmann | # Locking is done in L{ConfigWriter.GetNodeList}
|
1523 | fe698b38 | Michael Hanselmann | return _MatchNameComponentIgnoreCase(short_name, self.GetNodeList()) |
1524 | a8083063 | Iustin Pop | |
1525 | f78ede4e | Guido Trotter | def _UnlockedGetNodeInfo(self, node_name): |
1526 | a8083063 | Iustin Pop | """Get the configuration of a node, as stored in the config.
|
1527 | a8083063 | Iustin Pop |
|
1528 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1529 | c41eea6e | Iustin Pop | held.
|
1530 | f78ede4e | Guido Trotter |
|
1531 | c41eea6e | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1532 | a8083063 | Iustin Pop |
|
1533 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1534 | c41eea6e | Iustin Pop | @return: the node object
|
1535 | a8083063 | Iustin Pop |
|
1536 | a8083063 | Iustin Pop | """
|
1537 | a8083063 | Iustin Pop | if node_name not in self._config_data.nodes: |
1538 | a8083063 | Iustin Pop | return None |
1539 | a8083063 | Iustin Pop | |
1540 | a8083063 | Iustin Pop | return self._config_data.nodes[node_name] |
1541 | a8083063 | Iustin Pop | |
1542 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1543 | f78ede4e | Guido Trotter | def GetNodeInfo(self, node_name): |
1544 | f78ede4e | Guido Trotter | """Get the configuration of a node, as stored in the config.
|
1545 | f78ede4e | Guido Trotter |
|
1546 | c41eea6e | Iustin Pop | This is just a locked wrapper over L{_UnlockedGetNodeInfo}.
|
1547 | f78ede4e | Guido Trotter |
|
1548 | c41eea6e | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1549 | c41eea6e | Iustin Pop |
|
1550 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1551 | c41eea6e | Iustin Pop | @return: the node object
|
1552 | f78ede4e | Guido Trotter |
|
1553 | f78ede4e | Guido Trotter | """
|
1554 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeInfo(node_name) |
1555 | f78ede4e | Guido Trotter | |
1556 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1557 | 8bf9e9a5 | Iustin Pop | def GetNodeInstances(self, node_name): |
1558 | 8bf9e9a5 | Iustin Pop | """Get the instances of a node, as stored in the config.
|
1559 | 8bf9e9a5 | Iustin Pop |
|
1560 | 8bf9e9a5 | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1561 | 8bf9e9a5 | Iustin Pop |
|
1562 | 8bf9e9a5 | Iustin Pop | @rtype: (list, list)
|
1563 | 8bf9e9a5 | Iustin Pop | @return: a tuple with two lists: the primary and the secondary instances
|
1564 | 8bf9e9a5 | Iustin Pop |
|
1565 | 8bf9e9a5 | Iustin Pop | """
|
1566 | 8bf9e9a5 | Iustin Pop | pri = [] |
1567 | 8bf9e9a5 | Iustin Pop | sec = [] |
1568 | 8bf9e9a5 | Iustin Pop | for inst in self._config_data.instances.values(): |
1569 | 8bf9e9a5 | Iustin Pop | if inst.primary_node == node_name:
|
1570 | 8bf9e9a5 | Iustin Pop | pri.append(inst.name) |
1571 | 8bf9e9a5 | Iustin Pop | if node_name in inst.secondary_nodes: |
1572 | 8bf9e9a5 | Iustin Pop | sec.append(inst.name) |
1573 | 8bf9e9a5 | Iustin Pop | return (pri, sec)
|
1574 | 8bf9e9a5 | Iustin Pop | |
1575 | c71b049c | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1576 | c71b049c | Michael Hanselmann | def GetNodeGroupInstances(self, uuid, primary_only=False): |
1577 | c71b049c | Michael Hanselmann | """Get the instances of a node group.
|
1578 | c71b049c | Michael Hanselmann |
|
1579 | c71b049c | Michael Hanselmann | @param uuid: Node group UUID
|
1580 | c71b049c | Michael Hanselmann | @param primary_only: Whether to only consider primary nodes
|
1581 | c71b049c | Michael Hanselmann | @rtype: frozenset
|
1582 | c71b049c | Michael Hanselmann | @return: List of instance names in node group
|
1583 | c71b049c | Michael Hanselmann |
|
1584 | c71b049c | Michael Hanselmann | """
|
1585 | c71b049c | Michael Hanselmann | if primary_only:
|
1586 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: [inst.primary_node]
|
1587 | c71b049c | Michael Hanselmann | else:
|
1588 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: inst.all_nodes
|
1589 | c71b049c | Michael Hanselmann | |
1590 | c71b049c | Michael Hanselmann | return frozenset(inst.name |
1591 | c71b049c | Michael Hanselmann | for inst in self._config_data.instances.values() |
1592 | c71b049c | Michael Hanselmann | for node_name in nodes_fn(inst) |
1593 | c71b049c | Michael Hanselmann | if self._UnlockedGetNodeInfo(node_name).group == uuid) |
1594 | c71b049c | Michael Hanselmann | |
1595 | f78ede4e | Guido Trotter | def _UnlockedGetNodeList(self): |
1596 | a8083063 | Iustin Pop | """Return the list of nodes which are in the configuration.
|
1597 | a8083063 | Iustin Pop |
|
1598 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1599 | c41eea6e | Iustin Pop | held.
|
1600 | c41eea6e | Iustin Pop |
|
1601 | c41eea6e | Iustin Pop | @rtype: list
|
1602 | f78ede4e | Guido Trotter |
|
1603 | a8083063 | Iustin Pop | """
|
1604 | a8083063 | Iustin Pop | return self._config_data.nodes.keys() |
1605 | a8083063 | Iustin Pop | |
1606 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1607 | f78ede4e | Guido Trotter | def GetNodeList(self): |
1608 | f78ede4e | Guido Trotter | """Return the list of nodes which are in the configuration.
|
1609 | f78ede4e | Guido Trotter |
|
1610 | f78ede4e | Guido Trotter | """
|
1611 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeList() |
1612 | f78ede4e | Guido Trotter | |
1613 | 6819dc49 | Iustin Pop | def _UnlockedGetOnlineNodeList(self): |
1614 | 94a02bb5 | Iustin Pop | """Return the list of nodes which are online.
|
1615 | 94a02bb5 | Iustin Pop |
|
1616 | 94a02bb5 | Iustin Pop | """
|
1617 | 94a02bb5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1618 | 94a02bb5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1619 | 94a02bb5 | Iustin Pop | return [node.name for node in all_nodes if not node.offline] |
1620 | 94a02bb5 | Iustin Pop | |
1621 | 94a02bb5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1622 | 6819dc49 | Iustin Pop | def GetOnlineNodeList(self): |
1623 | 6819dc49 | Iustin Pop | """Return the list of nodes which are online.
|
1624 | 6819dc49 | Iustin Pop |
|
1625 | 6819dc49 | Iustin Pop | """
|
1626 | 6819dc49 | Iustin Pop | return self._UnlockedGetOnlineNodeList() |
1627 | 6819dc49 | Iustin Pop | |
1628 | 6819dc49 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1629 | 075b62ca | Iustin Pop | def GetVmCapableNodeList(self): |
1630 | 075b62ca | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1631 | 075b62ca | Iustin Pop |
|
1632 | 075b62ca | Iustin Pop | """
|
1633 | 075b62ca | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1634 | 075b62ca | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1635 | 075b62ca | Iustin Pop | return [node.name for node in all_nodes if node.vm_capable] |
1636 | 075b62ca | Iustin Pop | |
1637 | 075b62ca | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1638 | 8bf9e9a5 | Iustin Pop | def GetNonVmCapableNodeList(self): |
1639 | 8bf9e9a5 | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1640 | 8bf9e9a5 | Iustin Pop |
|
1641 | 8bf9e9a5 | Iustin Pop | """
|
1642 | 8bf9e9a5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1643 | 8bf9e9a5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1644 | 8bf9e9a5 | Iustin Pop | return [node.name for node in all_nodes if not node.vm_capable] |
1645 | 8bf9e9a5 | Iustin Pop | |
1646 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1647 | f5eaa3c1 | Iustin Pop | def GetMultiNodeInfo(self, nodes): |
1648 | f5eaa3c1 | Iustin Pop | """Get the configuration of multiple nodes.
|
1649 | f5eaa3c1 | Iustin Pop |
|
1650 | f5eaa3c1 | Iustin Pop | @param nodes: list of node names
|
1651 | f5eaa3c1 | Iustin Pop | @rtype: list
|
1652 | f5eaa3c1 | Iustin Pop | @return: list of tuples of (node, node_info), where node_info is
|
1653 | f5eaa3c1 | Iustin Pop | what would GetNodeInfo return for the node, in the original
|
1654 | f5eaa3c1 | Iustin Pop | order
|
1655 | f5eaa3c1 | Iustin Pop |
|
1656 | f5eaa3c1 | Iustin Pop | """
|
1657 | f5eaa3c1 | Iustin Pop | return [(name, self._UnlockedGetNodeInfo(name)) for name in nodes] |
1658 | f5eaa3c1 | Iustin Pop | |
1659 | f5eaa3c1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1660 | d65e5776 | Iustin Pop | def GetAllNodesInfo(self): |
1661 | d65e5776 | Iustin Pop | """Get the configuration of all nodes.
|
1662 | d65e5776 | Iustin Pop |
|
1663 | d65e5776 | Iustin Pop | @rtype: dict
|
1664 | ec0292f1 | Iustin Pop | @return: dict of (node, node_info), where node_info is what
|
1665 | d65e5776 | Iustin Pop | would GetNodeInfo return for the node
|
1666 | d65e5776 | Iustin Pop |
|
1667 | d65e5776 | Iustin Pop | """
|
1668 | ee14d800 | Michael Hanselmann | return self._UnlockedGetAllNodesInfo() |
1669 | ee14d800 | Michael Hanselmann | |
1670 | ee14d800 | Michael Hanselmann | def _UnlockedGetAllNodesInfo(self): |
1671 | ee14d800 | Michael Hanselmann | """Gets configuration of all nodes.
|
1672 | ee14d800 | Michael Hanselmann |
|
1673 | ee14d800 | Michael Hanselmann | @note: See L{GetAllNodesInfo}
|
1674 | ee14d800 | Michael Hanselmann |
|
1675 | ee14d800 | Michael Hanselmann | """
|
1676 | ee14d800 | Michael Hanselmann | return dict([(node, self._UnlockedGetNodeInfo(node)) |
1677 | ee14d800 | Michael Hanselmann | for node in self._UnlockedGetNodeList()]) |
1678 | d65e5776 | Iustin Pop | |
1679 | 9d5b1371 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1680 | 9d5b1371 | Michael Hanselmann | def GetNodeGroupsFromNodes(self, nodes): |
1681 | 9d5b1371 | Michael Hanselmann | """Returns groups for a list of nodes.
|
1682 | 9d5b1371 | Michael Hanselmann |
|
1683 | 9d5b1371 | Michael Hanselmann | @type nodes: list of string
|
1684 | 9d5b1371 | Michael Hanselmann | @param nodes: List of node names
|
1685 | 9d5b1371 | Michael Hanselmann | @rtype: frozenset
|
1686 | 9d5b1371 | Michael Hanselmann |
|
1687 | 9d5b1371 | Michael Hanselmann | """
|
1688 | 9d5b1371 | Michael Hanselmann | return frozenset(self._UnlockedGetNodeInfo(name).group for name in nodes) |
1689 | 9d5b1371 | Michael Hanselmann | |
1690 | 23f06b2b | Iustin Pop | def _UnlockedGetMasterCandidateStats(self, exceptions=None): |
1691 | ec0292f1 | Iustin Pop | """Get the number of current and maximum desired and possible candidates.
|
1692 | ec0292f1 | Iustin Pop |
|
1693 | 23f06b2b | Iustin Pop | @type exceptions: list
|
1694 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
1695 | ec0292f1 | Iustin Pop | @rtype: tuple
|
1696 | e623dbe3 | Guido Trotter | @return: tuple of (current, desired and possible, possible)
|
1697 | ec0292f1 | Iustin Pop |
|
1698 | ec0292f1 | Iustin Pop | """
|
1699 | e623dbe3 | Guido Trotter | mc_now = mc_should = mc_max = 0
|
1700 | 23f06b2b | Iustin Pop | for node in self._config_data.nodes.values(): |
1701 | 23f06b2b | Iustin Pop | if exceptions and node.name in exceptions: |
1702 | 23f06b2b | Iustin Pop | continue
|
1703 | 490acd18 | Iustin Pop | if not (node.offline or node.drained) and node.master_capable: |
1704 | ec0292f1 | Iustin Pop | mc_max += 1
|
1705 | ec0292f1 | Iustin Pop | if node.master_candidate:
|
1706 | ec0292f1 | Iustin Pop | mc_now += 1
|
1707 | e623dbe3 | Guido Trotter | mc_should = min(mc_max, self._config_data.cluster.candidate_pool_size) |
1708 | e623dbe3 | Guido Trotter | return (mc_now, mc_should, mc_max)
|
1709 | ec0292f1 | Iustin Pop | |
1710 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1711 | 23f06b2b | Iustin Pop | def GetMasterCandidateStats(self, exceptions=None): |
1712 | ec0292f1 | Iustin Pop | """Get the number of current and maximum possible candidates.
|
1713 | ec0292f1 | Iustin Pop |
|
1714 | ec0292f1 | Iustin Pop | This is just a wrapper over L{_UnlockedGetMasterCandidateStats}.
|
1715 | ec0292f1 | Iustin Pop |
|
1716 | 23f06b2b | Iustin Pop | @type exceptions: list
|
1717 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
1718 | ec0292f1 | Iustin Pop | @rtype: tuple
|
1719 | ec0292f1 | Iustin Pop | @return: tuple of (current, max)
|
1720 | ec0292f1 | Iustin Pop |
|
1721 | ec0292f1 | Iustin Pop | """
|
1722 | 23f06b2b | Iustin Pop | return self._UnlockedGetMasterCandidateStats(exceptions) |
1723 | ec0292f1 | Iustin Pop | |
1724 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1725 | 44485f49 | Guido Trotter | def MaintainCandidatePool(self, exceptions): |
1726 | ec0292f1 | Iustin Pop | """Try to grow the candidate pool to the desired size.
|
1727 | ec0292f1 | Iustin Pop |
|
1728 | 44485f49 | Guido Trotter | @type exceptions: list
|
1729 | 44485f49 | Guido Trotter | @param exceptions: if passed, list of nodes that should be ignored
|
1730 | ec0292f1 | Iustin Pop | @rtype: list
|
1731 | ee513a66 | Iustin Pop | @return: list with the adjusted nodes (L{objects.Node} instances)
|
1732 | ec0292f1 | Iustin Pop |
|
1733 | ec0292f1 | Iustin Pop | """
|
1734 | 44485f49 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats(exceptions)
|
1735 | ec0292f1 | Iustin Pop | mod_list = [] |
1736 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
1737 | ec0292f1 | Iustin Pop | node_list = self._config_data.nodes.keys()
|
1738 | ec0292f1 | Iustin Pop | random.shuffle(node_list) |
1739 | ec0292f1 | Iustin Pop | for name in node_list: |
1740 | ec0292f1 | Iustin Pop | if mc_now >= mc_max:
|
1741 | ec0292f1 | Iustin Pop | break
|
1742 | ec0292f1 | Iustin Pop | node = self._config_data.nodes[name]
|
1743 | 44485f49 | Guido Trotter | if (node.master_candidate or node.offline or node.drained or |
1744 | 490acd18 | Iustin Pop | node.name in exceptions or not node.master_capable): |
1745 | ec0292f1 | Iustin Pop | continue
|
1746 | ee513a66 | Iustin Pop | mod_list.append(node) |
1747 | ec0292f1 | Iustin Pop | node.master_candidate = True
|
1748 | ec0292f1 | Iustin Pop | node.serial_no += 1
|
1749 | ec0292f1 | Iustin Pop | mc_now += 1
|
1750 | ec0292f1 | Iustin Pop | if mc_now != mc_max:
|
1751 | ec0292f1 | Iustin Pop | # this should not happen
|
1752 | ec0292f1 | Iustin Pop | logging.warning("Warning: MaintainCandidatePool didn't manage to"
|
1753 | ec0292f1 | Iustin Pop | " fill the candidate pool (%d/%d)", mc_now, mc_max)
|
1754 | ec0292f1 | Iustin Pop | if mod_list:
|
1755 | ec0292f1 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1756 | ec0292f1 | Iustin Pop | self._WriteConfig()
|
1757 | ec0292f1 | Iustin Pop | |
1758 | ec0292f1 | Iustin Pop | return mod_list
|
1759 | ec0292f1 | Iustin Pop | |
1760 | 190e3cb6 | Guido Trotter | def _UnlockedAddNodeToGroup(self, node_name, nodegroup_uuid): |
1761 | 190e3cb6 | Guido Trotter | """Add a given node to the specified group.
|
1762 | 190e3cb6 | Guido Trotter |
|
1763 | 190e3cb6 | Guido Trotter | """
|
1764 | 190e3cb6 | Guido Trotter | if nodegroup_uuid not in self._config_data.nodegroups: |
1765 | 190e3cb6 | Guido Trotter | # This can happen if a node group gets deleted between its lookup and
|
1766 | 190e3cb6 | Guido Trotter | # when we're adding the first node to it, since we don't keep a lock in
|
1767 | 190e3cb6 | Guido Trotter | # the meantime. It's ok though, as we'll fail cleanly if the node group
|
1768 | 190e3cb6 | Guido Trotter | # is not found anymore.
|
1769 | f936c153 | Iustin Pop | raise errors.OpExecError("Unknown node group: %s" % nodegroup_uuid) |
1770 | 190e3cb6 | Guido Trotter | if node_name not in self._config_data.nodegroups[nodegroup_uuid].members: |
1771 | 190e3cb6 | Guido Trotter | self._config_data.nodegroups[nodegroup_uuid].members.append(node_name)
|
1772 | 190e3cb6 | Guido Trotter | |
1773 | 190e3cb6 | Guido Trotter | def _UnlockedRemoveNodeFromGroup(self, node): |
1774 | 190e3cb6 | Guido Trotter | """Remove a given node from its group.
|
1775 | 190e3cb6 | Guido Trotter |
|
1776 | 190e3cb6 | Guido Trotter | """
|
1777 | f936c153 | Iustin Pop | nodegroup = node.group |
1778 | 190e3cb6 | Guido Trotter | if nodegroup not in self._config_data.nodegroups: |
1779 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' has unknown node group '%s'"
|
1780 | 190e3cb6 | Guido Trotter | " (while being removed from it)", node.name, nodegroup)
|
1781 | 190e3cb6 | Guido Trotter | nodegroup_obj = self._config_data.nodegroups[nodegroup]
|
1782 | 190e3cb6 | Guido Trotter | if node.name not in nodegroup_obj.members: |
1783 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' not a member of its node group '%s'"
|
1784 | 190e3cb6 | Guido Trotter | " (while being removed from it)", node.name, nodegroup)
|
1785 | 190e3cb6 | Guido Trotter | else:
|
1786 | 190e3cb6 | Guido Trotter | nodegroup_obj.members.remove(node.name) |
1787 | 190e3cb6 | Guido Trotter | |
1788 | 54c31fd3 | Michael Hanselmann | @locking.ssynchronized(_config_lock)
|
1789 | 54c31fd3 | Michael Hanselmann | def AssignGroupNodes(self, mods): |
1790 | 54c31fd3 | Michael Hanselmann | """Changes the group of a number of nodes.
|
1791 | 54c31fd3 | Michael Hanselmann |
|
1792 | 54c31fd3 | Michael Hanselmann | @type mods: list of tuples; (node name, new group UUID)
|
1793 | 1d4930b9 | Michael Hanselmann | @param mods: Node membership modifications
|
1794 | 54c31fd3 | Michael Hanselmann |
|
1795 | 54c31fd3 | Michael Hanselmann | """
|
1796 | 54c31fd3 | Michael Hanselmann | groups = self._config_data.nodegroups
|
1797 | 54c31fd3 | Michael Hanselmann | nodes = self._config_data.nodes
|
1798 | 54c31fd3 | Michael Hanselmann | |
1799 | 54c31fd3 | Michael Hanselmann | resmod = [] |
1800 | 54c31fd3 | Michael Hanselmann | |
1801 | 54c31fd3 | Michael Hanselmann | # Try to resolve names/UUIDs first
|
1802 | 54c31fd3 | Michael Hanselmann | for (node_name, new_group_uuid) in mods: |
1803 | 54c31fd3 | Michael Hanselmann | try:
|
1804 | 54c31fd3 | Michael Hanselmann | node = nodes[node_name] |
1805 | 54c31fd3 | Michael Hanselmann | except KeyError: |
1806 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find node '%s'" % node_name) |
1807 | 54c31fd3 | Michael Hanselmann | |
1808 | 54c31fd3 | Michael Hanselmann | if node.group == new_group_uuid:
|
1809 | 54c31fd3 | Michael Hanselmann | # Node is being assigned to its current group
|
1810 | 54c31fd3 | Michael Hanselmann | logging.debug("Node '%s' was assigned to its current group (%s)",
|
1811 | 54c31fd3 | Michael Hanselmann | node_name, node.group) |
1812 | 54c31fd3 | Michael Hanselmann | continue
|
1813 | 54c31fd3 | Michael Hanselmann | |
1814 | 54c31fd3 | Michael Hanselmann | # Try to find current group of node
|
1815 | 54c31fd3 | Michael Hanselmann | try:
|
1816 | 54c31fd3 | Michael Hanselmann | old_group = groups[node.group] |
1817 | 54c31fd3 | Michael Hanselmann | except KeyError: |
1818 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find old group '%s'" % |
1819 | 54c31fd3 | Michael Hanselmann | node.group) |
1820 | 54c31fd3 | Michael Hanselmann | |
1821 | 54c31fd3 | Michael Hanselmann | # Try to find new group for node
|
1822 | 54c31fd3 | Michael Hanselmann | try:
|
1823 | 54c31fd3 | Michael Hanselmann | new_group = groups[new_group_uuid] |
1824 | 54c31fd3 | Michael Hanselmann | except KeyError: |
1825 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find new group '%s'" % |
1826 | 54c31fd3 | Michael Hanselmann | new_group_uuid) |
1827 | 54c31fd3 | Michael Hanselmann | |
1828 | 54c31fd3 | Michael Hanselmann | assert node.name in old_group.members, \ |
1829 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' not listed in members for its"
|
1830 | 54c31fd3 | Michael Hanselmann | " old group '%s'" % (node.name, old_group.uuid))
|
1831 | 54c31fd3 | Michael Hanselmann | assert node.name not in new_group.members, \ |
1832 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' already listed in members for"
|
1833 | 54c31fd3 | Michael Hanselmann | " its new group '%s'" % (node.name, new_group.uuid))
|
1834 | 54c31fd3 | Michael Hanselmann | |
1835 | 54c31fd3 | Michael Hanselmann | resmod.append((node, old_group, new_group)) |
1836 | 54c31fd3 | Michael Hanselmann | |
1837 | 54c31fd3 | Michael Hanselmann | # Apply changes
|
1838 | 54c31fd3 | Michael Hanselmann | for (node, old_group, new_group) in resmod: |
1839 | 54c31fd3 | Michael Hanselmann | assert node.uuid != new_group.uuid and old_group.uuid != new_group.uuid, \ |
1840 | 54c31fd3 | Michael Hanselmann | "Assigning to current group is not possible"
|
1841 | 54c31fd3 | Michael Hanselmann | |
1842 | 54c31fd3 | Michael Hanselmann | node.group = new_group.uuid |
1843 | 54c31fd3 | Michael Hanselmann | |
1844 | 54c31fd3 | Michael Hanselmann | # Update members of involved groups
|
1845 | 54c31fd3 | Michael Hanselmann | if node.name in old_group.members: |
1846 | 54c31fd3 | Michael Hanselmann | old_group.members.remove(node.name) |
1847 | 54c31fd3 | Michael Hanselmann | if node.name not in new_group.members: |
1848 | 54c31fd3 | Michael Hanselmann | new_group.members.append(node.name) |
1849 | 54c31fd3 | Michael Hanselmann | |
1850 | 54c31fd3 | Michael Hanselmann | # Update timestamps and serials (only once per node/group object)
|
1851 | 54c31fd3 | Michael Hanselmann | now = time.time() |
1852 | 75191077 | Michael Hanselmann | for obj in frozenset(itertools.chain(*resmod)): # pylint: disable=W0142 |
1853 | 54c31fd3 | Michael Hanselmann | obj.serial_no += 1
|
1854 | 54c31fd3 | Michael Hanselmann | obj.mtime = now |
1855 | 54c31fd3 | Michael Hanselmann | |
1856 | 54c31fd3 | Michael Hanselmann | # Force ssconf update
|
1857 | 54c31fd3 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1858 | 54c31fd3 | Michael Hanselmann | |
1859 | 54c31fd3 | Michael Hanselmann | self._WriteConfig()
|
1860 | 54c31fd3 | Michael Hanselmann | |
1861 | a8083063 | Iustin Pop | def _BumpSerialNo(self): |
1862 | a8083063 | Iustin Pop | """Bump up the serial number of the config.
|
1863 | a8083063 | Iustin Pop |
|
1864 | a8083063 | Iustin Pop | """
|
1865 | 9d38c6e1 | Iustin Pop | self._config_data.serial_no += 1 |
1866 | d693c864 | Iustin Pop | self._config_data.mtime = time.time()
|
1867 | a8083063 | Iustin Pop | |
1868 | 76d5d3a3 | Iustin Pop | def _AllUUIDObjects(self): |
1869 | 76d5d3a3 | Iustin Pop | """Returns all objects with uuid attributes.
|
1870 | 76d5d3a3 | Iustin Pop |
|
1871 | 76d5d3a3 | Iustin Pop | """
|
1872 | 76d5d3a3 | Iustin Pop | return (self._config_data.instances.values() + |
1873 | 76d5d3a3 | Iustin Pop | self._config_data.nodes.values() +
|
1874 | 3df43542 | Guido Trotter | self._config_data.nodegroups.values() +
|
1875 | 76d5d3a3 | Iustin Pop | [self._config_data.cluster])
|
1876 | 76d5d3a3 | Iustin Pop | |
1877 | eb180fe2 | Iustin Pop | def _OpenConfig(self, accept_foreign): |
1878 | a8083063 | Iustin Pop | """Read the config data from disk.
|
1879 | a8083063 | Iustin Pop |
|
1880 | a8083063 | Iustin Pop | """
|
1881 | 13998ef2 | Michael Hanselmann | raw_data = utils.ReadFile(self._cfg_file)
|
1882 | 13998ef2 | Michael Hanselmann | |
1883 | a8083063 | Iustin Pop | try:
|
1884 | 13998ef2 | Michael Hanselmann | data = objects.ConfigData.FromDict(serializer.Load(raw_data)) |
1885 | 13998ef2 | Michael Hanselmann | except Exception, err: |
1886 | 13998ef2 | Michael Hanselmann | raise errors.ConfigurationError(err)
|
1887 | 5b263ed7 | Michael Hanselmann | |
1888 | 5b263ed7 | Michael Hanselmann | # Make sure the configuration has the right version
|
1889 | 5b263ed7 | Michael Hanselmann | _ValidateConfig(data) |
1890 | 5b263ed7 | Michael Hanselmann | |
1891 | 3ccb3a64 | Michael Hanselmann | if (not hasattr(data, "cluster") or |
1892 | 3ccb3a64 | Michael Hanselmann | not hasattr(data.cluster, "rsahostkeypub")): |
1893 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Incomplete configuration" |
1894 | 243cdbcc | Michael Hanselmann | " (missing cluster.rsahostkeypub)")
|
1895 | 90d726a8 | Iustin Pop | |
1896 | eb180fe2 | Iustin Pop | if data.cluster.master_node != self._my_hostname and not accept_foreign: |
1897 | eb180fe2 | Iustin Pop | msg = ("The configuration denotes node %s as master, while my"
|
1898 | eb180fe2 | Iustin Pop | " hostname is %s; opening a foreign configuration is only"
|
1899 | eb180fe2 | Iustin Pop | " possible in accept_foreign mode" %
|
1900 | eb180fe2 | Iustin Pop | (data.cluster.master_node, self._my_hostname))
|
1901 | eb180fe2 | Iustin Pop | raise errors.ConfigurationError(msg)
|
1902 | eb180fe2 | Iustin Pop | |
1903 | 90d726a8 | Iustin Pop | # Upgrade configuration if needed
|
1904 | 90d726a8 | Iustin Pop | data.UpgradeConfig() |
1905 | 90d726a8 | Iustin Pop | |
1906 | a8083063 | Iustin Pop | self._config_data = data
|
1907 | 3c7f6c44 | Iustin Pop | # reset the last serial as -1 so that the next write will cause
|
1908 | 0779e3aa | Iustin Pop | # ssconf update
|
1909 | 0779e3aa | Iustin Pop | self._last_cluster_serial = -1 |
1910 | a8083063 | Iustin Pop | |
1911 | 76d5d3a3 | Iustin Pop | # And finally run our (custom) config upgrade sequence
|
1912 | 76d5d3a3 | Iustin Pop | self._UpgradeConfig()
|
1913 | 76d5d3a3 | Iustin Pop | |
1914 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(path=self._cfg_file) |
1915 | bd407597 | Iustin Pop | |
1916 | 76d5d3a3 | Iustin Pop | def _UpgradeConfig(self): |
1917 | 76d5d3a3 | Iustin Pop | """Run upgrade steps that cannot be done purely in the objects.
|
1918 | 76d5d3a3 | Iustin Pop |
|
1919 | 76d5d3a3 | Iustin Pop | This is because some data elements need uniqueness across the
|
1920 | 76d5d3a3 | Iustin Pop | whole configuration, etc.
|
1921 | 76d5d3a3 | Iustin Pop |
|
1922 | 111c4e2f | Guido Trotter | @warning: this function will call L{_WriteConfig()}, but also
|
1923 | 111c4e2f | Guido Trotter | L{DropECReservations} so it needs to be called only from a
|
1924 | 111c4e2f | Guido Trotter | "safe" place (the constructor). If one wanted to call it with
|
1925 | 111c4e2f | Guido Trotter | the lock held, a DropECReservationUnlocked would need to be
|
1926 | 111c4e2f | Guido Trotter | created first, to avoid causing deadlock.
|
1927 | 76d5d3a3 | Iustin Pop |
|
1928 | 76d5d3a3 | Iustin Pop | """
|
1929 | 76d5d3a3 | Iustin Pop | modified = False
|
1930 | 76d5d3a3 | Iustin Pop | for item in self._AllUUIDObjects(): |
1931 | 76d5d3a3 | Iustin Pop | if item.uuid is None: |
1932 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(_UPGRADE_CONFIG_JID)
|
1933 | 76d5d3a3 | Iustin Pop | modified = True
|
1934 | f9e81396 | Guido Trotter | if not self._config_data.nodegroups: |
1935 | 75cf411a | Adeodato Simo | default_nodegroup_name = constants.INITIAL_NODE_GROUP_NAME |
1936 | 75cf411a | Adeodato Simo | default_nodegroup = objects.NodeGroup(name=default_nodegroup_name, |
1937 | 75cf411a | Adeodato Simo | members=[]) |
1938 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(default_nodegroup, _UPGRADE_CONFIG_JID, True) |
1939 | f9e81396 | Guido Trotter | modified = True
|
1940 | 190e3cb6 | Guido Trotter | for node in self._config_data.nodes.values(): |
1941 | f936c153 | Iustin Pop | if not node.group: |
1942 | f936c153 | Iustin Pop | node.group = self.LookupNodeGroup(None) |
1943 | 190e3cb6 | Guido Trotter | modified = True
|
1944 | 190e3cb6 | Guido Trotter | # This is technically *not* an upgrade, but needs to be done both when
|
1945 | 190e3cb6 | Guido Trotter | # nodegroups are being added, and upon normally loading the config,
|
1946 | 190e3cb6 | Guido Trotter | # because the members list of a node group is discarded upon
|
1947 | 190e3cb6 | Guido Trotter | # serializing/deserializing the object.
|
1948 | f936c153 | Iustin Pop | self._UnlockedAddNodeToGroup(node.name, node.group)
|
1949 | 76d5d3a3 | Iustin Pop | if modified:
|
1950 | 76d5d3a3 | Iustin Pop | self._WriteConfig()
|
1951 | 4fae38c5 | Guido Trotter | # This is ok even if it acquires the internal lock, as _UpgradeConfig is
|
1952 | 4fae38c5 | Guido Trotter | # only called at config init time, without the lock held
|
1953 | 4fae38c5 | Guido Trotter | self.DropECReservations(_UPGRADE_CONFIG_JID)
|
1954 | 4fae38c5 | Guido Trotter | |
1955 | a4eae71f | Michael Hanselmann | def _DistributeConfig(self, feedback_fn): |
1956 | a8083063 | Iustin Pop | """Distribute the configuration to the other nodes.
|
1957 | a8083063 | Iustin Pop |
|
1958 | a8083063 | Iustin Pop | Currently, this only copies the configuration file. In the future,
|
1959 | a8083063 | Iustin Pop | it could be used to encapsulate the 2/3-phase update mechanism.
|
1960 | a8083063 | Iustin Pop |
|
1961 | a8083063 | Iustin Pop | """
|
1962 | a8083063 | Iustin Pop | if self._offline: |
1963 | a8083063 | Iustin Pop | return True |
1964 | a4eae71f | Michael Hanselmann | |
1965 | a8083063 | Iustin Pop | bad = False
|
1966 | a8083063 | Iustin Pop | |
1967 | 6a5b8b4b | Iustin Pop | node_list = [] |
1968 | 6a5b8b4b | Iustin Pop | addr_list = [] |
1969 | 6a5b8b4b | Iustin Pop | myhostname = self._my_hostname
|
1970 | 6b294c53 | Iustin Pop | # we can skip checking whether _UnlockedGetNodeInfo returns None
|
1971 | 6b294c53 | Iustin Pop | # since the node list comes from _UnlocketGetNodeList, and we are
|
1972 | 6b294c53 | Iustin Pop | # called with the lock held, so no modifications should take place
|
1973 | 6b294c53 | Iustin Pop | # in between
|
1974 | 6a5b8b4b | Iustin Pop | for node_name in self._UnlockedGetNodeList(): |
1975 | 6a5b8b4b | Iustin Pop | if node_name == myhostname:
|
1976 | 6a5b8b4b | Iustin Pop | continue
|
1977 | 6a5b8b4b | Iustin Pop | node_info = self._UnlockedGetNodeInfo(node_name)
|
1978 | 6a5b8b4b | Iustin Pop | if not node_info.master_candidate: |
1979 | 6a5b8b4b | Iustin Pop | continue
|
1980 | 6a5b8b4b | Iustin Pop | node_list.append(node_info.name) |
1981 | 6a5b8b4b | Iustin Pop | addr_list.append(node_info.primary_ip) |
1982 | 6b294c53 | Iustin Pop | |
1983 | 415a7304 | Michael Hanselmann | # TODO: Use dedicated resolver talking to config writer for name resolution
|
1984 | 415a7304 | Michael Hanselmann | result = \ |
1985 | b2acdbdc | Michael Hanselmann | self._GetRpc(addr_list).call_upload_file(node_list, self._cfg_file) |
1986 | 1b54fc6c | Guido Trotter | for to_node, to_result in result.items(): |
1987 | 3cebe102 | Michael Hanselmann | msg = to_result.fail_msg |
1988 | 1b54fc6c | Guido Trotter | if msg:
|
1989 | 1b54fc6c | Guido Trotter | msg = ("Copy of file %s to node %s failed: %s" %
|
1990 | dd7db360 | Iustin Pop | (self._cfg_file, to_node, msg))
|
1991 | 1b54fc6c | Guido Trotter | logging.error(msg) |
1992 | a4eae71f | Michael Hanselmann | |
1993 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
1994 | a4eae71f | Michael Hanselmann | feedback_fn(msg) |
1995 | a4eae71f | Michael Hanselmann | |
1996 | a8083063 | Iustin Pop | bad = True
|
1997 | a4eae71f | Michael Hanselmann | |
1998 | a8083063 | Iustin Pop | return not bad |
1999 | a8083063 | Iustin Pop | |
2000 | a4eae71f | Michael Hanselmann | def _WriteConfig(self, destination=None, feedback_fn=None): |
2001 | a8083063 | Iustin Pop | """Write the configuration data to persistent storage.
|
2002 | a8083063 | Iustin Pop |
|
2003 | a8083063 | Iustin Pop | """
|
2004 | a4eae71f | Michael Hanselmann | assert feedback_fn is None or callable(feedback_fn) |
2005 | a4eae71f | Michael Hanselmann | |
2006 | d2231b8c | Iustin Pop | # Warn on config errors, but don't abort the save - the
|
2007 | d2231b8c | Iustin Pop | # configuration has already been modified, and we can't revert;
|
2008 | d2231b8c | Iustin Pop | # the best we can do is to warn the user and save as is, leaving
|
2009 | d2231b8c | Iustin Pop | # recovery to the user
|
2010 | 4a89c54a | Iustin Pop | config_errors = self._UnlockedVerifyConfig()
|
2011 | 4a89c54a | Iustin Pop | if config_errors:
|
2012 | d2231b8c | Iustin Pop | errmsg = ("Configuration data is not consistent: %s" %
|
2013 | 1f864b60 | Iustin Pop | (utils.CommaJoin(config_errors))) |
2014 | d2231b8c | Iustin Pop | logging.critical(errmsg) |
2015 | d2231b8c | Iustin Pop | if feedback_fn:
|
2016 | d2231b8c | Iustin Pop | feedback_fn(errmsg) |
2017 | d2231b8c | Iustin Pop | |
2018 | a8083063 | Iustin Pop | if destination is None: |
2019 | a8083063 | Iustin Pop | destination = self._cfg_file
|
2020 | a8083063 | Iustin Pop | self._BumpSerialNo()
|
2021 | 8d14b30d | Iustin Pop | txt = serializer.Dump(self._config_data.ToDict())
|
2022 | 13998ef2 | Michael Hanselmann | |
2023 | e60c73a1 | René Nussbaumer | getents = self._getents()
|
2024 | bd407597 | Iustin Pop | try:
|
2025 | bd407597 | Iustin Pop | fd = utils.SafeWriteFile(destination, self._cfg_id, data=txt,
|
2026 | bd407597 | Iustin Pop | close=False, gid=getents.confd_gid, mode=0640) |
2027 | bd407597 | Iustin Pop | except errors.LockError:
|
2028 | bd407597 | Iustin Pop | raise errors.ConfigurationError("The configuration file has been" |
2029 | bd407597 | Iustin Pop | " modified since the last write, cannot"
|
2030 | bd407597 | Iustin Pop | " update")
|
2031 | bd407597 | Iustin Pop | try:
|
2032 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(fd=fd)
|
2033 | bd407597 | Iustin Pop | finally:
|
2034 | bd407597 | Iustin Pop | os.close(fd) |
2035 | 13998ef2 | Michael Hanselmann | |
2036 | 14e15659 | Iustin Pop | self.write_count += 1 |
2037 | 3d3a04bc | Iustin Pop | |
2038 | f56618e0 | Iustin Pop | # and redistribute the config file to master candidates
|
2039 | a4eae71f | Michael Hanselmann | self._DistributeConfig(feedback_fn)
|
2040 | a8083063 | Iustin Pop | |
2041 | 54d1a06e | Michael Hanselmann | # Write ssconf files on all nodes (including locally)
|
2042 | 0779e3aa | Iustin Pop | if self._last_cluster_serial < self._config_data.cluster.serial_no: |
2043 | d9a855f1 | Michael Hanselmann | if not self._offline: |
2044 | b2acdbdc | Michael Hanselmann | result = self._GetRpc(None).call_write_ssconf_files( |
2045 | 6819dc49 | Iustin Pop | self._UnlockedGetOnlineNodeList(),
|
2046 | e1e75d00 | Iustin Pop | self._UnlockedGetSsconfValues())
|
2047 | a4eae71f | Michael Hanselmann | |
2048 | e1e75d00 | Iustin Pop | for nname, nresu in result.items(): |
2049 | 3cebe102 | Michael Hanselmann | msg = nresu.fail_msg |
2050 | e1e75d00 | Iustin Pop | if msg:
|
2051 | a4eae71f | Michael Hanselmann | errmsg = ("Error while uploading ssconf files to"
|
2052 | a4eae71f | Michael Hanselmann | " node %s: %s" % (nname, msg))
|
2053 | a4eae71f | Michael Hanselmann | logging.warning(errmsg) |
2054 | a4eae71f | Michael Hanselmann | |
2055 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
2056 | a4eae71f | Michael Hanselmann | feedback_fn(errmsg) |
2057 | a4eae71f | Michael Hanselmann | |
2058 | 0779e3aa | Iustin Pop | self._last_cluster_serial = self._config_data.cluster.serial_no |
2059 | 54d1a06e | Michael Hanselmann | |
2060 | 03d1dba2 | Michael Hanselmann | def _UnlockedGetSsconfValues(self): |
2061 | 054596f0 | Iustin Pop | """Return the values needed by ssconf.
|
2062 | 054596f0 | Iustin Pop |
|
2063 | 054596f0 | Iustin Pop | @rtype: dict
|
2064 | 054596f0 | Iustin Pop | @return: a dictionary with keys the ssconf names and values their
|
2065 | 054596f0 | Iustin Pop | associated value
|
2066 | 054596f0 | Iustin Pop |
|
2067 | 054596f0 | Iustin Pop | """
|
2068 | a3316e4a | Iustin Pop | fn = "\n".join
|
2069 | 81a49123 | Iustin Pop | instance_names = utils.NiceSort(self._UnlockedGetInstanceList())
|
2070 | a3316e4a | Iustin Pop | node_names = utils.NiceSort(self._UnlockedGetNodeList())
|
2071 | a3316e4a | Iustin Pop | node_info = [self._UnlockedGetNodeInfo(name) for name in node_names] |
2072 | c3029d0a | Luca Bigliardi | node_pri_ips = ["%s %s" % (ninfo.name, ninfo.primary_ip)
|
2073 | 5909fb97 | Luca Bigliardi | for ninfo in node_info] |
2074 | c3029d0a | Luca Bigliardi | node_snd_ips = ["%s %s" % (ninfo.name, ninfo.secondary_ip)
|
2075 | 5909fb97 | Luca Bigliardi | for ninfo in node_info] |
2076 | a3316e4a | Iustin Pop | |
2077 | 81a49123 | Iustin Pop | instance_data = fn(instance_names) |
2078 | a3316e4a | Iustin Pop | off_data = fn(node.name for node in node_info if node.offline) |
2079 | 81a49123 | Iustin Pop | on_data = fn(node.name for node in node_info if not node.offline) |
2080 | a3316e4a | Iustin Pop | mc_data = fn(node.name for node in node_info if node.master_candidate) |
2081 | 8113a52e | Luca Bigliardi | mc_ips_data = fn(node.primary_ip for node in node_info |
2082 | 8113a52e | Luca Bigliardi | if node.master_candidate)
|
2083 | a3316e4a | Iustin Pop | node_data = fn(node_names) |
2084 | f9780ccd | Luca Bigliardi | node_pri_ips_data = fn(node_pri_ips) |
2085 | f9780ccd | Luca Bigliardi | node_snd_ips_data = fn(node_snd_ips) |
2086 | f56618e0 | Iustin Pop | |
2087 | 054596f0 | Iustin Pop | cluster = self._config_data.cluster
|
2088 | 5d60b3bd | Iustin Pop | cluster_tags = fn(cluster.GetTags()) |
2089 | 4f7a6a10 | Iustin Pop | |
2090 | 4f7a6a10 | Iustin Pop | hypervisor_list = fn(cluster.enabled_hypervisors) |
2091 | 4f7a6a10 | Iustin Pop | |
2092 | 0fbae49a | Balazs Lecz | uid_pool = uidpool.FormatUidPool(cluster.uid_pool, separator="\n")
|
2093 | 0fbae49a | Balazs Lecz | |
2094 | 6f076453 | Guido Trotter | nodegroups = ["%s %s" % (nodegroup.uuid, nodegroup.name) for nodegroup in |
2095 | 6f076453 | Guido Trotter | self._config_data.nodegroups.values()]
|
2096 | 6f076453 | Guido Trotter | nodegroups_data = fn(utils.NiceSort(nodegroups)) |
2097 | 6f076453 | Guido Trotter | |
2098 | 2afc9238 | Iustin Pop | ssconf_values = { |
2099 | 054596f0 | Iustin Pop | constants.SS_CLUSTER_NAME: cluster.cluster_name, |
2100 | 5d60b3bd | Iustin Pop | constants.SS_CLUSTER_TAGS: cluster_tags, |
2101 | 054596f0 | Iustin Pop | constants.SS_FILE_STORAGE_DIR: cluster.file_storage_dir, |
2102 | 4b97f902 | Apollon Oikonomopoulos | constants.SS_SHARED_FILE_STORAGE_DIR: cluster.shared_file_storage_dir, |
2103 | a3316e4a | Iustin Pop | constants.SS_MASTER_CANDIDATES: mc_data, |
2104 | 8113a52e | Luca Bigliardi | constants.SS_MASTER_CANDIDATES_IPS: mc_ips_data, |
2105 | 054596f0 | Iustin Pop | constants.SS_MASTER_IP: cluster.master_ip, |
2106 | 054596f0 | Iustin Pop | constants.SS_MASTER_NETDEV: cluster.master_netdev, |
2107 | 5a8648eb | Andrea Spadaccini | constants.SS_MASTER_NETMASK: str(cluster.master_netmask),
|
2108 | 054596f0 | Iustin Pop | constants.SS_MASTER_NODE: cluster.master_node, |
2109 | a3316e4a | Iustin Pop | constants.SS_NODE_LIST: node_data, |
2110 | f9780ccd | Luca Bigliardi | constants.SS_NODE_PRIMARY_IPS: node_pri_ips_data, |
2111 | f9780ccd | Luca Bigliardi | constants.SS_NODE_SECONDARY_IPS: node_snd_ips_data, |
2112 | a3316e4a | Iustin Pop | constants.SS_OFFLINE_NODES: off_data, |
2113 | 81a49123 | Iustin Pop | constants.SS_ONLINE_NODES: on_data, |
2114 | 868a98ca | Manuel Franceschini | constants.SS_PRIMARY_IP_FAMILY: str(cluster.primary_ip_family),
|
2115 | 81a49123 | Iustin Pop | constants.SS_INSTANCE_LIST: instance_data, |
2116 | 8a113c7a | Iustin Pop | constants.SS_RELEASE_VERSION: constants.RELEASE_VERSION, |
2117 | 4f7a6a10 | Iustin Pop | constants.SS_HYPERVISOR_LIST: hypervisor_list, |
2118 | 5c465a95 | Iustin Pop | constants.SS_MAINTAIN_NODE_HEALTH: str(cluster.maintain_node_health),
|
2119 | 0fbae49a | Balazs Lecz | constants.SS_UID_POOL: uid_pool, |
2120 | 6f076453 | Guido Trotter | constants.SS_NODEGROUPS: nodegroups_data, |
2121 | 03d1dba2 | Michael Hanselmann | } |
2122 | 2afc9238 | Iustin Pop | bad_values = [(k, v) for k, v in ssconf_values.items() |
2123 | 2afc9238 | Iustin Pop | if not isinstance(v, (str, basestring))] |
2124 | 2afc9238 | Iustin Pop | if bad_values:
|
2125 | 2afc9238 | Iustin Pop | err = utils.CommaJoin("%s=%s" % (k, v) for k, v in bad_values) |
2126 | 2afc9238 | Iustin Pop | raise errors.ConfigurationError("Some ssconf key(s) have non-string" |
2127 | 2afc9238 | Iustin Pop | " values: %s" % err)
|
2128 | 2afc9238 | Iustin Pop | return ssconf_values
|
2129 | 03d1dba2 | Michael Hanselmann | |
2130 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2131 | d367b66c | Manuel Franceschini | def GetSsconfValues(self): |
2132 | d367b66c | Manuel Franceschini | """Wrapper using lock around _UnlockedGetSsconf().
|
2133 | d367b66c | Manuel Franceschini |
|
2134 | d367b66c | Manuel Franceschini | """
|
2135 | d367b66c | Manuel Franceschini | return self._UnlockedGetSsconfValues() |
2136 | d367b66c | Manuel Franceschini | |
2137 | d367b66c | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
2138 | a8083063 | Iustin Pop | def GetVGName(self): |
2139 | a8083063 | Iustin Pop | """Return the volume group name.
|
2140 | a8083063 | Iustin Pop |
|
2141 | a8083063 | Iustin Pop | """
|
2142 | a8083063 | Iustin Pop | return self._config_data.cluster.volume_group_name |
2143 | a8083063 | Iustin Pop | |
2144 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2145 | 89ff8e15 | Manuel Franceschini | def SetVGName(self, vg_name): |
2146 | 89ff8e15 | Manuel Franceschini | """Set the volume group name.
|
2147 | 89ff8e15 | Manuel Franceschini |
|
2148 | 89ff8e15 | Manuel Franceschini | """
|
2149 | 2d4011cd | Manuel Franceschini | self._config_data.cluster.volume_group_name = vg_name
|
2150 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2151 | 89ff8e15 | Manuel Franceschini | self._WriteConfig()
|
2152 | 89ff8e15 | Manuel Franceschini | |
2153 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2154 | 9e33896b | Luca Bigliardi | def GetDRBDHelper(self): |
2155 | 9e33896b | Luca Bigliardi | """Return DRBD usermode helper.
|
2156 | 9e33896b | Luca Bigliardi |
|
2157 | 9e33896b | Luca Bigliardi | """
|
2158 | 9e33896b | Luca Bigliardi | return self._config_data.cluster.drbd_usermode_helper |
2159 | 9e33896b | Luca Bigliardi | |
2160 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock)
|
2161 | 9e33896b | Luca Bigliardi | def SetDRBDHelper(self, drbd_helper): |
2162 | 9e33896b | Luca Bigliardi | """Set DRBD usermode helper.
|
2163 | 9e33896b | Luca Bigliardi |
|
2164 | 9e33896b | Luca Bigliardi | """
|
2165 | 9e33896b | Luca Bigliardi | self._config_data.cluster.drbd_usermode_helper = drbd_helper
|
2166 | 9e33896b | Luca Bigliardi | self._config_data.cluster.serial_no += 1 |
2167 | 9e33896b | Luca Bigliardi | self._WriteConfig()
|
2168 | 9e33896b | Luca Bigliardi | |
2169 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2170 | a8083063 | Iustin Pop | def GetMACPrefix(self): |
2171 | a8083063 | Iustin Pop | """Return the mac prefix.
|
2172 | a8083063 | Iustin Pop |
|
2173 | a8083063 | Iustin Pop | """
|
2174 | a8083063 | Iustin Pop | return self._config_data.cluster.mac_prefix |
2175 | 62779dd0 | Iustin Pop | |
2176 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2177 | 62779dd0 | Iustin Pop | def GetClusterInfo(self): |
2178 | 5bbd3f7f | Michael Hanselmann | """Returns information about the cluster
|
2179 | 62779dd0 | Iustin Pop |
|
2180 | c41eea6e | Iustin Pop | @rtype: L{objects.Cluster}
|
2181 | c41eea6e | Iustin Pop | @return: the cluster object
|
2182 | 62779dd0 | Iustin Pop |
|
2183 | 62779dd0 | Iustin Pop | """
|
2184 | 62779dd0 | Iustin Pop | return self._config_data.cluster |
2185 | e00fb268 | Iustin Pop | |
2186 | 51cb1581 | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2187 | 51cb1581 | Luca Bigliardi | def HasAnyDiskOfType(self, dev_type): |
2188 | 51cb1581 | Luca Bigliardi | """Check if in there is at disk of the given type in the configuration.
|
2189 | 51cb1581 | Luca Bigliardi |
|
2190 | 51cb1581 | Luca Bigliardi | """
|
2191 | 51cb1581 | Luca Bigliardi | return self._config_data.HasAnyDiskOfType(dev_type) |
2192 | 51cb1581 | Luca Bigliardi | |
2193 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2194 | a4eae71f | Michael Hanselmann | def Update(self, target, feedback_fn): |
2195 | e00fb268 | Iustin Pop | """Notify function to be called after updates.
|
2196 | e00fb268 | Iustin Pop |
|
2197 | e00fb268 | Iustin Pop | This function must be called when an object (as returned by
|
2198 | e00fb268 | Iustin Pop | GetInstanceInfo, GetNodeInfo, GetCluster) has been updated and the
|
2199 | e00fb268 | Iustin Pop | caller wants the modifications saved to the backing store. Note
|
2200 | e00fb268 | Iustin Pop | that all modified objects will be saved, but the target argument
|
2201 | e00fb268 | Iustin Pop | is the one the caller wants to ensure that it's saved.
|
2202 | e00fb268 | Iustin Pop |
|
2203 | c41eea6e | Iustin Pop | @param target: an instance of either L{objects.Cluster},
|
2204 | c41eea6e | Iustin Pop | L{objects.Node} or L{objects.Instance} which is existing in
|
2205 | c41eea6e | Iustin Pop | the cluster
|
2206 | a4eae71f | Michael Hanselmann | @param feedback_fn: Callable feedback function
|
2207 | c41eea6e | Iustin Pop |
|
2208 | e00fb268 | Iustin Pop | """
|
2209 | e00fb268 | Iustin Pop | if self._config_data is None: |
2210 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Configuration file not read," |
2211 | 3ecf6786 | Iustin Pop | " cannot save.")
|
2212 | f34901f8 | Iustin Pop | update_serial = False
|
2213 | e00fb268 | Iustin Pop | if isinstance(target, objects.Cluster): |
2214 | e00fb268 | Iustin Pop | test = target == self._config_data.cluster
|
2215 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Node): |
2216 | e00fb268 | Iustin Pop | test = target in self._config_data.nodes.values() |
2217 | f34901f8 | Iustin Pop | update_serial = True
|
2218 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Instance): |
2219 | e00fb268 | Iustin Pop | test = target in self._config_data.instances.values() |
2220 | e11a1b77 | Adeodato Simo | elif isinstance(target, objects.NodeGroup): |
2221 | e11a1b77 | Adeodato Simo | test = target in self._config_data.nodegroups.values() |
2222 | e00fb268 | Iustin Pop | else:
|
2223 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid object type (%s) passed to" |
2224 | 3ecf6786 | Iustin Pop | " ConfigWriter.Update" % type(target)) |
2225 | e00fb268 | Iustin Pop | if not test: |
2226 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Configuration updated since object" |
2227 | 3ecf6786 | Iustin Pop | " has been read or unknown object")
|
2228 | f34901f8 | Iustin Pop | target.serial_no += 1
|
2229 | d693c864 | Iustin Pop | target.mtime = now = time.time() |
2230 | f34901f8 | Iustin Pop | |
2231 | cff4c037 | Iustin Pop | if update_serial:
|
2232 | f34901f8 | Iustin Pop | # for node updates, we need to increase the cluster serial too
|
2233 | f34901f8 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2234 | d693c864 | Iustin Pop | self._config_data.cluster.mtime = now
|
2235 | b989e85d | Iustin Pop | |
2236 | 61cf6b5e | Iustin Pop | if isinstance(target, objects.Instance): |
2237 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(target.name)
|
2238 | 61cf6b5e | Iustin Pop | |
2239 | a4eae71f | Michael Hanselmann | self._WriteConfig(feedback_fn=feedback_fn)
|
2240 | 73064714 | Guido Trotter | |
2241 | 73064714 | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2242 | 73064714 | Guido Trotter | def DropECReservations(self, ec_id): |
2243 | 73064714 | Guido Trotter | """Drop per-execution-context reservations
|
2244 | 73064714 | Guido Trotter |
|
2245 | 73064714 | Guido Trotter | """
|
2246 | d8aee57e | Iustin Pop | for rm in self._all_rms: |
2247 | d8aee57e | Iustin Pop | rm.DropECReservations(ec_id) |