root / lib / config.py @ be9150ea
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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | 04db1880 | Bernardo Dal Seno | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 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 | 45f62156 | Bernardo Dal Seno | import copy |
38 | a8083063 | Iustin Pop | import os |
39 | a8083063 | Iustin Pop | import random |
40 | d8470559 | Michael Hanselmann | import logging |
41 | d693c864 | Iustin Pop | import time |
42 | 54c31fd3 | Michael Hanselmann | import itertools |
43 | a8083063 | Iustin Pop | |
44 | a8083063 | Iustin Pop | from ganeti import errors |
45 | f78ede4e | Guido Trotter | from ganeti import locking |
46 | a8083063 | Iustin Pop | from ganeti import utils |
47 | a8083063 | Iustin Pop | from ganeti import constants |
48 | a8083063 | Iustin Pop | from ganeti import rpc |
49 | a8083063 | Iustin Pop | from ganeti import objects |
50 | 8d14b30d | Iustin Pop | from ganeti import serializer |
51 | 0fbae49a | Balazs Lecz | from ganeti import uidpool |
52 | a744b676 | Manuel Franceschini | from ganeti import netutils |
53 | e60c73a1 | René Nussbaumer | from ganeti import runtime |
54 | 57407093 | Michael Hanselmann | from ganeti import pathutils |
55 | 6c0a75db | Dimitris Aragiorgis | from ganeti import network |
56 | 243cdbcc | Michael Hanselmann | |
57 | 243cdbcc | Michael Hanselmann | |
58 | 7f93570a | Iustin Pop | _config_lock = locking.SharedLock("ConfigWriter")
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59 | f78ede4e | Guido Trotter | |
60 | 4fae38c5 | Guido Trotter | # job id used for resource management at config upgrade time
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61 | 8d9c3bef | Michael Hanselmann | _UPGRADE_CONFIG_JID = "jid-cfg-upgrade"
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62 | 4fae38c5 | Guido Trotter | |
63 | f78ede4e | Guido Trotter | |
64 | 5b263ed7 | Michael Hanselmann | def _ValidateConfig(data): |
65 | c41eea6e | Iustin Pop | """Verifies that a configuration objects looks valid.
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66 | c41eea6e | Iustin Pop |
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67 | c41eea6e | Iustin Pop | This only verifies the version of the configuration.
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68 | c41eea6e | Iustin Pop |
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69 | c41eea6e | Iustin Pop | @raise errors.ConfigurationError: if the version differs from what
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70 | c41eea6e | Iustin Pop | we expect
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71 | c41eea6e | Iustin Pop |
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72 | c41eea6e | Iustin Pop | """
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73 | 5b263ed7 | Michael Hanselmann | if data.version != constants.CONFIG_VERSION:
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74 | 4b63dc7a | Iustin Pop | raise errors.ConfigVersionMismatch(constants.CONFIG_VERSION, data.version)
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75 | a8083063 | Iustin Pop | |
76 | 319856a9 | Michael Hanselmann | |
77 | 013da361 | Guido Trotter | class TemporaryReservationManager: |
78 | 013da361 | Guido Trotter | """A temporary resource reservation manager.
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79 | 013da361 | Guido Trotter |
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80 | 013da361 | Guido Trotter | This is used to reserve resources in a job, before using them, making sure
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81 | 013da361 | Guido Trotter | other jobs cannot get them in the meantime.
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82 | 013da361 | Guido Trotter |
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83 | 013da361 | Guido Trotter | """
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84 | 013da361 | Guido Trotter | def __init__(self): |
85 | 013da361 | Guido Trotter | self._ec_reserved = {}
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86 | 013da361 | Guido Trotter | |
87 | 013da361 | Guido Trotter | def Reserved(self, resource): |
88 | a7359d91 | David Knowles | for holder_reserved in self._ec_reserved.values(): |
89 | 013da361 | Guido Trotter | if resource in holder_reserved: |
90 | 013da361 | Guido Trotter | return True |
91 | 013da361 | Guido Trotter | return False |
92 | 013da361 | Guido Trotter | |
93 | 013da361 | Guido Trotter | def Reserve(self, ec_id, resource): |
94 | 013da361 | Guido Trotter | if self.Reserved(resource): |
95 | 28a7318f | Iustin Pop | raise errors.ReservationError("Duplicate reservation for resource '%s'" |
96 | 28a7318f | Iustin Pop | % str(resource))
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97 | 013da361 | Guido Trotter | if ec_id not in self._ec_reserved: |
98 | 013da361 | Guido Trotter | self._ec_reserved[ec_id] = set([resource]) |
99 | 013da361 | Guido Trotter | else:
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100 | 013da361 | Guido Trotter | self._ec_reserved[ec_id].add(resource)
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101 | 013da361 | Guido Trotter | |
102 | 013da361 | Guido Trotter | def DropECReservations(self, ec_id): |
103 | 013da361 | Guido Trotter | if ec_id in self._ec_reserved: |
104 | 013da361 | Guido Trotter | del self._ec_reserved[ec_id] |
105 | 013da361 | Guido Trotter | |
106 | 013da361 | Guido Trotter | def GetReserved(self): |
107 | 013da361 | Guido Trotter | all_reserved = set()
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108 | 013da361 | Guido Trotter | for holder_reserved in self._ec_reserved.values(): |
109 | 013da361 | Guido Trotter | all_reserved.update(holder_reserved) |
110 | 013da361 | Guido Trotter | return all_reserved
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111 | 013da361 | Guido Trotter | |
112 | ad4a9ae7 | Dimitris Aragiorgis | def GetECReserved(self, ec_id): |
113 | 7f033fb3 | Dimitris Aragiorgis | """ Used when you want to retrieve all reservations for a specific
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114 | 7f033fb3 | Dimitris Aragiorgis | execution context. E.g when commiting reserved IPs for a specific
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115 | 7f033fb3 | Dimitris Aragiorgis | network.
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116 | 7f033fb3 | Dimitris Aragiorgis |
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117 | 7f033fb3 | Dimitris Aragiorgis | """
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118 | ad4a9ae7 | Dimitris Aragiorgis | ec_reserved = set()
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119 | ad4a9ae7 | Dimitris Aragiorgis | if ec_id in self._ec_reserved: |
120 | ad4a9ae7 | Dimitris Aragiorgis | ec_reserved.update(self._ec_reserved[ec_id])
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121 | ad4a9ae7 | Dimitris Aragiorgis | return ec_reserved
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122 | ad4a9ae7 | Dimitris Aragiorgis | |
123 | 013da361 | Guido Trotter | def Generate(self, existing, generate_one_fn, ec_id): |
124 | 013da361 | Guido Trotter | """Generate a new resource of this type
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125 | 013da361 | Guido Trotter |
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126 | 013da361 | Guido Trotter | """
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127 | 013da361 | Guido Trotter | assert callable(generate_one_fn) |
128 | 013da361 | Guido Trotter | |
129 | 013da361 | Guido Trotter | all_elems = self.GetReserved()
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130 | 013da361 | Guido Trotter | all_elems.update(existing) |
131 | 013da361 | Guido Trotter | retries = 64
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132 | 013da361 | Guido Trotter | while retries > 0: |
133 | 013da361 | Guido Trotter | new_resource = generate_one_fn() |
134 | 013da361 | Guido Trotter | if new_resource is not None and new_resource not in all_elems: |
135 | 013da361 | Guido Trotter | break
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136 | 013da361 | Guido Trotter | else:
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137 | 013da361 | Guido Trotter | raise errors.ConfigurationError("Not able generate new resource" |
138 | 013da361 | Guido Trotter | " (last tried: %s)" % new_resource)
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139 | 013da361 | Guido Trotter | self.Reserve(ec_id, new_resource)
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140 | 013da361 | Guido Trotter | return new_resource
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141 | 013da361 | Guido Trotter | |
142 | 013da361 | Guido Trotter | |
143 | fe698b38 | Michael Hanselmann | def _MatchNameComponentIgnoreCase(short_name, names): |
144 | 3a93eebb | Michael Hanselmann | """Wrapper around L{utils.text.MatchNameComponent}.
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145 | fe698b38 | Michael Hanselmann |
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146 | fe698b38 | Michael Hanselmann | """
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147 | fe698b38 | Michael Hanselmann | return utils.MatchNameComponent(short_name, names, case_sensitive=False) |
148 | fe698b38 | Michael Hanselmann | |
149 | fe698b38 | Michael Hanselmann | |
150 | 82c54b5b | Michael Hanselmann | def _CheckInstanceDiskIvNames(disks): |
151 | 82c54b5b | Michael Hanselmann | """Checks if instance's disks' C{iv_name} attributes are in order.
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152 | 82c54b5b | Michael Hanselmann |
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153 | 82c54b5b | Michael Hanselmann | @type disks: list of L{objects.Disk}
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154 | 82c54b5b | Michael Hanselmann | @param disks: List of disks
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155 | 82c54b5b | Michael Hanselmann | @rtype: list of tuples; (int, string, string)
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156 | 82c54b5b | Michael Hanselmann | @return: List of wrongly named disks, each tuple contains disk index,
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157 | 82c54b5b | Michael Hanselmann | expected and actual name
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158 | 82c54b5b | Michael Hanselmann |
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159 | 82c54b5b | Michael Hanselmann | """
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160 | 82c54b5b | Michael Hanselmann | result = [] |
161 | 82c54b5b | Michael Hanselmann | |
162 | 82c54b5b | Michael Hanselmann | for (idx, disk) in enumerate(disks): |
163 | 82c54b5b | Michael Hanselmann | exp_iv_name = "disk/%s" % idx
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164 | 82c54b5b | Michael Hanselmann | if disk.iv_name != exp_iv_name:
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165 | 82c54b5b | Michael Hanselmann | result.append((idx, exp_iv_name, disk.iv_name)) |
166 | 82c54b5b | Michael Hanselmann | |
167 | 82c54b5b | Michael Hanselmann | return result
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168 | 82c54b5b | Michael Hanselmann | |
169 | 3c286190 | Dimitris Aragiorgis | |
170 | a8083063 | Iustin Pop | class ConfigWriter: |
171 | 098c0958 | Michael Hanselmann | """The interface to the cluster configuration.
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172 | a8083063 | Iustin Pop |
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173 | d8aee57e | Iustin Pop | @ivar _temporary_lvs: reservation manager for temporary LVs
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174 | d8aee57e | Iustin Pop | @ivar _all_rms: a list of all temporary reservation managers
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175 | d8aee57e | Iustin Pop |
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176 | 098c0958 | Michael Hanselmann | """
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177 | eb180fe2 | Iustin Pop | def __init__(self, cfg_file=None, offline=False, _getents=runtime.GetEnts, |
178 | eb180fe2 | Iustin Pop | accept_foreign=False):
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179 | 14e15659 | Iustin Pop | self.write_count = 0 |
180 | f78ede4e | Guido Trotter | self._lock = _config_lock
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181 | a8083063 | Iustin Pop | self._config_data = None |
182 | a8083063 | Iustin Pop | self._offline = offline
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183 | a8083063 | Iustin Pop | if cfg_file is None: |
184 | 57407093 | Michael Hanselmann | self._cfg_file = pathutils.CLUSTER_CONF_FILE
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185 | a8083063 | Iustin Pop | else:
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186 | a8083063 | Iustin Pop | self._cfg_file = cfg_file
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187 | e60c73a1 | René Nussbaumer | self._getents = _getents
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188 | 4fae38c5 | Guido Trotter | self._temporary_ids = TemporaryReservationManager()
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189 | a81c53c9 | Iustin Pop | self._temporary_drbds = {}
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190 | 36b66e6e | Guido Trotter | self._temporary_macs = TemporaryReservationManager()
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191 | afa1386e | Guido Trotter | self._temporary_secrets = TemporaryReservationManager()
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192 | d8aee57e | Iustin Pop | self._temporary_lvs = TemporaryReservationManager()
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193 | ad4a9ae7 | Dimitris Aragiorgis | self._temporary_ips = TemporaryReservationManager()
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194 | d8aee57e | Iustin Pop | self._all_rms = [self._temporary_ids, self._temporary_macs, |
195 | ad4a9ae7 | Dimitris Aragiorgis | self._temporary_secrets, self._temporary_lvs, |
196 | ad4a9ae7 | Dimitris Aragiorgis | self._temporary_ips]
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197 | 89e1fc26 | Iustin Pop | # Note: in order to prevent errors when resolving our name in
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198 | 89e1fc26 | Iustin Pop | # _DistributeConfig, we compute it here once and reuse it; it's
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199 | 89e1fc26 | Iustin Pop | # better to raise an error before starting to modify the config
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200 | 89e1fc26 | Iustin Pop | # file than after it was modified
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201 | b705c7a6 | Manuel Franceschini | self._my_hostname = netutils.Hostname.GetSysName()
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202 | 3c7f6c44 | Iustin Pop | self._last_cluster_serial = -1 |
203 | bd407597 | Iustin Pop | self._cfg_id = None |
204 | b2acdbdc | Michael Hanselmann | self._context = None |
205 | eb180fe2 | Iustin Pop | self._OpenConfig(accept_foreign)
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206 | a8083063 | Iustin Pop | |
207 | b2acdbdc | Michael Hanselmann | def _GetRpc(self, address_list): |
208 | b2acdbdc | Michael Hanselmann | """Returns RPC runner for configuration.
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209 | b2acdbdc | Michael Hanselmann |
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210 | b2acdbdc | Michael Hanselmann | """
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211 | b2acdbdc | Michael Hanselmann | return rpc.ConfigRunner(self._context, address_list) |
212 | b2acdbdc | Michael Hanselmann | |
213 | b2acdbdc | Michael Hanselmann | def SetContext(self, context): |
214 | b2acdbdc | Michael Hanselmann | """Sets Ganeti context.
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215 | b2acdbdc | Michael Hanselmann |
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216 | b2acdbdc | Michael Hanselmann | """
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217 | b2acdbdc | Michael Hanselmann | self._context = context
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218 | b2acdbdc | Michael Hanselmann | |
219 | a8083063 | Iustin Pop | # this method needs to be static, so that we can call it on the class
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220 | a8083063 | Iustin Pop | @staticmethod
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221 | a8083063 | Iustin Pop | def IsCluster(): |
222 | a8083063 | Iustin Pop | """Check if the cluster is configured.
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223 | a8083063 | Iustin Pop |
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224 | a8083063 | Iustin Pop | """
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225 | 57407093 | Michael Hanselmann | return os.path.exists(pathutils.CLUSTER_CONF_FILE)
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226 | a8083063 | Iustin Pop | |
227 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
228 | 5768e6a6 | René Nussbaumer | def GetNdParams(self, node): |
229 | 5768e6a6 | René Nussbaumer | """Get the node params populated with cluster defaults.
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230 | 5768e6a6 | René Nussbaumer |
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231 | ce523de1 | Michael Hanselmann | @type node: L{objects.Node}
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232 | 5768e6a6 | René Nussbaumer | @param node: The node we want to know the params for
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233 | 5768e6a6 | René Nussbaumer | @return: A dict with the filled in node params
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234 | 5768e6a6 | René Nussbaumer |
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235 | 5768e6a6 | René Nussbaumer | """
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236 | 5768e6a6 | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
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237 | 5768e6a6 | René Nussbaumer | return self._config_data.cluster.FillND(node, nodegroup) |
238 | 5768e6a6 | René Nussbaumer | |
239 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
240 | 8a147bba | René Nussbaumer | def GetInstanceDiskParams(self, instance): |
241 | 8a147bba | René Nussbaumer | """Get the disk params populated with inherit chain.
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242 | 8a147bba | René Nussbaumer |
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243 | 8a147bba | René Nussbaumer | @type instance: L{objects.Instance}
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244 | 8a147bba | René Nussbaumer | @param instance: The instance we want to know the params for
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245 | 8a147bba | René Nussbaumer | @return: A dict with the filled in disk params
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246 | 8a147bba | René Nussbaumer |
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247 | 8a147bba | René Nussbaumer | """
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248 | 8a147bba | René Nussbaumer | node = self._UnlockedGetNodeInfo(instance.primary_node)
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249 | 8a147bba | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
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250 | 99ccf8b9 | René Nussbaumer | return self._UnlockedGetGroupDiskParams(nodegroup) |
251 | 99ccf8b9 | René Nussbaumer | |
252 | 99ccf8b9 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
253 | 99ccf8b9 | René Nussbaumer | def GetGroupDiskParams(self, group): |
254 | 99ccf8b9 | René Nussbaumer | """Get the disk params populated with inherit chain.
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255 | 99ccf8b9 | René Nussbaumer |
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256 | af9fb4cc | René Nussbaumer | @type group: L{objects.NodeGroup}
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257 | 99ccf8b9 | René Nussbaumer | @param group: The group we want to know the params for
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258 | 99ccf8b9 | René Nussbaumer | @return: A dict with the filled in disk params
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259 | 99ccf8b9 | René Nussbaumer |
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260 | 99ccf8b9 | René Nussbaumer | """
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261 | 99ccf8b9 | René Nussbaumer | return self._UnlockedGetGroupDiskParams(group) |
262 | 99ccf8b9 | René Nussbaumer | |
263 | 99ccf8b9 | René Nussbaumer | def _UnlockedGetGroupDiskParams(self, group): |
264 | 99ccf8b9 | René Nussbaumer | """Get the disk params populated with inherit chain down to node-group.
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265 | 99ccf8b9 | René Nussbaumer |
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266 | af9fb4cc | René Nussbaumer | @type group: L{objects.NodeGroup}
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267 | 99ccf8b9 | René Nussbaumer | @param group: The group we want to know the params for
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268 | 99ccf8b9 | René Nussbaumer | @return: A dict with the filled in disk params
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269 | 99ccf8b9 | René Nussbaumer |
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270 | 99ccf8b9 | René Nussbaumer | """
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271 | 99ccf8b9 | René Nussbaumer | return self._config_data.cluster.SimpleFillDP(group.diskparams) |
272 | 8a147bba | René Nussbaumer | |
273 | 9ccacbc8 | Dimitris Aragiorgis | def _UnlockedGetNetworkMACPrefix(self, net_uuid): |
274 | 032a7d71 | Dimitris Aragiorgis | """Return the network mac prefix if it exists or the cluster level default.
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275 | 032a7d71 | Dimitris Aragiorgis |
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276 | 032a7d71 | Dimitris Aragiorgis | """
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277 | 032a7d71 | Dimitris Aragiorgis | prefix = None
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278 | 9ccacbc8 | Dimitris Aragiorgis | if net_uuid:
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279 | 1b68f268 | Helga Velroyen | nobj = self._UnlockedGetNetwork(net_uuid)
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280 | 1b68f268 | Helga Velroyen | if nobj.mac_prefix:
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281 | 1b68f268 | Helga Velroyen | prefix = nobj.mac_prefix |
282 | 032a7d71 | Dimitris Aragiorgis | |
283 | 032a7d71 | Dimitris Aragiorgis | return prefix
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284 | 032a7d71 | Dimitris Aragiorgis | |
285 | 032a7d71 | Dimitris Aragiorgis | def _GenerateOneMAC(self, prefix=None): |
286 | 032a7d71 | Dimitris Aragiorgis | """Return a function that randomly generates a MAC suffic
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287 | 032a7d71 | Dimitris Aragiorgis | and appends it to the given prefix. If prefix is not given get
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288 | 032a7d71 | Dimitris Aragiorgis | the cluster level default.
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289 | 032a7d71 | Dimitris Aragiorgis |
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290 | 032a7d71 | Dimitris Aragiorgis | """
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291 | 032a7d71 | Dimitris Aragiorgis | if not prefix: |
292 | 032a7d71 | Dimitris Aragiorgis | prefix = self._config_data.cluster.mac_prefix
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293 | 032a7d71 | Dimitris Aragiorgis | |
294 | 032a7d71 | Dimitris Aragiorgis | def GenMac(): |
295 | 032a7d71 | Dimitris Aragiorgis | byte1 = random.randrange(0, 256) |
296 | 032a7d71 | Dimitris Aragiorgis | byte2 = random.randrange(0, 256) |
297 | 032a7d71 | Dimitris Aragiorgis | byte3 = random.randrange(0, 256) |
298 | 032a7d71 | Dimitris Aragiorgis | mac = "%s:%02x:%02x:%02x" % (prefix, byte1, byte2, byte3)
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299 | 032a7d71 | Dimitris Aragiorgis | return mac
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300 | 032a7d71 | Dimitris Aragiorgis | |
301 | 032a7d71 | Dimitris Aragiorgis | return GenMac
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302 | 032a7d71 | Dimitris Aragiorgis | |
303 | 8a147bba | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
304 | 9ccacbc8 | Dimitris Aragiorgis | def GenerateMAC(self, net_uuid, ec_id): |
305 | a8083063 | Iustin Pop | """Generate a MAC for an instance.
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306 | a8083063 | Iustin Pop |
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307 | a8083063 | Iustin Pop | This should check the current instances for duplicates.
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308 | a8083063 | Iustin Pop |
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309 | a8083063 | Iustin Pop | """
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310 | 36b66e6e | Guido Trotter | existing = self._AllMACs()
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311 | 9ccacbc8 | Dimitris Aragiorgis | prefix = self._UnlockedGetNetworkMACPrefix(net_uuid)
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312 | 032a7d71 | Dimitris Aragiorgis | gen_mac = self._GenerateOneMAC(prefix)
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313 | a0af6c80 | Dimitris Aragiorgis | return self._temporary_ids.Generate(existing, gen_mac, ec_id) |
314 | a8083063 | Iustin Pop | |
315 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
316 | 36b66e6e | Guido Trotter | def ReserveMAC(self, mac, ec_id): |
317 | 36b66e6e | Guido Trotter | """Reserve a MAC for an instance.
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318 | 1862d460 | Alexander Schreiber |
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319 | 1862d460 | Alexander Schreiber | This only checks instances managed by this cluster, it does not
|
320 | 1862d460 | Alexander Schreiber | check for potential collisions elsewhere.
|
321 | 1862d460 | Alexander Schreiber |
|
322 | 1862d460 | Alexander Schreiber | """
|
323 | 1862d460 | Alexander Schreiber | all_macs = self._AllMACs()
|
324 | 36b66e6e | Guido Trotter | if mac in all_macs: |
325 | 36b66e6e | Guido Trotter | raise errors.ReservationError("mac already in use") |
326 | 36b66e6e | Guido Trotter | else:
|
327 | 8785b71b | Apollon Oikonomopoulos | self._temporary_macs.Reserve(ec_id, mac)
|
328 | 1862d460 | Alexander Schreiber | |
329 | ad4a9ae7 | Dimitris Aragiorgis | def _UnlockedCommitTemporaryIps(self, ec_id): |
330 | ad4a9ae7 | Dimitris Aragiorgis | """Commit all reserved IP address to their respective pools
|
331 | ad4a9ae7 | Dimitris Aragiorgis |
|
332 | ad4a9ae7 | Dimitris Aragiorgis | """
|
333 | ad4a9ae7 | Dimitris Aragiorgis | for action, address, net_uuid in self._temporary_ips.GetECReserved(ec_id): |
334 | ad4a9ae7 | Dimitris Aragiorgis | self._UnlockedCommitIp(action, net_uuid, address)
|
335 | ad4a9ae7 | Dimitris Aragiorgis | |
336 | ad4a9ae7 | Dimitris Aragiorgis | def _UnlockedCommitIp(self, action, net_uuid, address): |
337 | ad4a9ae7 | Dimitris Aragiorgis | """Commit a reserved IP address to an IP pool.
|
338 | ad4a9ae7 | Dimitris Aragiorgis |
|
339 | ad4a9ae7 | Dimitris Aragiorgis | The IP address is taken from the network's IP pool and marked as reserved.
|
340 | ad4a9ae7 | Dimitris Aragiorgis |
|
341 | ad4a9ae7 | Dimitris Aragiorgis | """
|
342 | ad4a9ae7 | Dimitris Aragiorgis | nobj = self._UnlockedGetNetwork(net_uuid)
|
343 | ad4a9ae7 | Dimitris Aragiorgis | pool = network.AddressPool(nobj) |
344 | e81eef56 | Dimitris Aragiorgis | if action == constants.RESERVE_ACTION:
|
345 | ad4a9ae7 | Dimitris Aragiorgis | pool.Reserve(address) |
346 | e81eef56 | Dimitris Aragiorgis | elif action == constants.RELEASE_ACTION:
|
347 | ad4a9ae7 | Dimitris Aragiorgis | pool.Release(address) |
348 | ad4a9ae7 | Dimitris Aragiorgis | |
349 | ad4a9ae7 | Dimitris Aragiorgis | def _UnlockedReleaseIp(self, net_uuid, address, ec_id): |
350 | ad4a9ae7 | Dimitris Aragiorgis | """Give a specific IP address back to an IP pool.
|
351 | ad4a9ae7 | Dimitris Aragiorgis |
|
352 | ad4a9ae7 | Dimitris Aragiorgis | The IP address is returned to the IP pool designated by pool_id and marked
|
353 | ad4a9ae7 | Dimitris Aragiorgis | as reserved.
|
354 | ad4a9ae7 | Dimitris Aragiorgis |
|
355 | ad4a9ae7 | Dimitris Aragiorgis | """
|
356 | e81eef56 | Dimitris Aragiorgis | self._temporary_ips.Reserve(ec_id,
|
357 | e81eef56 | Dimitris Aragiorgis | (constants.RELEASE_ACTION, address, net_uuid)) |
358 | ad4a9ae7 | Dimitris Aragiorgis | |
359 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
360 | 9ccacbc8 | Dimitris Aragiorgis | def ReleaseIp(self, net_uuid, address, ec_id): |
361 | ad4a9ae7 | Dimitris Aragiorgis | """Give a specified IP address back to an IP pool.
|
362 | ad4a9ae7 | Dimitris Aragiorgis |
|
363 | ad4a9ae7 | Dimitris Aragiorgis | This is just a wrapper around _UnlockedReleaseIp.
|
364 | ad4a9ae7 | Dimitris Aragiorgis |
|
365 | ad4a9ae7 | Dimitris Aragiorgis | """
|
366 | 9ccacbc8 | Dimitris Aragiorgis | if net_uuid:
|
367 | 9ccacbc8 | Dimitris Aragiorgis | self._UnlockedReleaseIp(net_uuid, address, ec_id)
|
368 | ad4a9ae7 | Dimitris Aragiorgis | |
369 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
370 | 9ccacbc8 | Dimitris Aragiorgis | def GenerateIp(self, net_uuid, ec_id): |
371 | ad4a9ae7 | Dimitris Aragiorgis | """Find a free IPv4 address for an instance.
|
372 | ad4a9ae7 | Dimitris Aragiorgis |
|
373 | ad4a9ae7 | Dimitris Aragiorgis | """
|
374 | ad4a9ae7 | Dimitris Aragiorgis | nobj = self._UnlockedGetNetwork(net_uuid)
|
375 | ad4a9ae7 | Dimitris Aragiorgis | pool = network.AddressPool(nobj) |
376 | ad4a9ae7 | Dimitris Aragiorgis | |
377 | ad4a9ae7 | Dimitris Aragiorgis | def gen_one(): |
378 | ad4a9ae7 | Dimitris Aragiorgis | try:
|
379 | 1f1d3bf2 | Dimitris Aragiorgis | ip = pool.GenerateFree() |
380 | 1f1d3bf2 | Dimitris Aragiorgis | except errors.AddressPoolError:
|
381 | ad4a9ae7 | Dimitris Aragiorgis | raise errors.ReservationError("Cannot generate IP. Network is full") |
382 | e81eef56 | Dimitris Aragiorgis | return (constants.RESERVE_ACTION, ip, net_uuid)
|
383 | ad4a9ae7 | Dimitris Aragiorgis | |
384 | beb81ea5 | Dimitris Aragiorgis | _, address, _ = self._temporary_ips.Generate([], gen_one, ec_id)
|
385 | ad4a9ae7 | Dimitris Aragiorgis | return address
|
386 | ad4a9ae7 | Dimitris Aragiorgis | |
387 | ad4a9ae7 | Dimitris Aragiorgis | def _UnlockedReserveIp(self, net_uuid, address, ec_id): |
388 | ad4a9ae7 | Dimitris Aragiorgis | """Reserve a given IPv4 address for use by an instance.
|
389 | ad4a9ae7 | Dimitris Aragiorgis |
|
390 | ad4a9ae7 | Dimitris Aragiorgis | """
|
391 | ad4a9ae7 | Dimitris Aragiorgis | nobj = self._UnlockedGetNetwork(net_uuid)
|
392 | ad4a9ae7 | Dimitris Aragiorgis | pool = network.AddressPool(nobj) |
393 | ad4a9ae7 | Dimitris Aragiorgis | try:
|
394 | ad4a9ae7 | Dimitris Aragiorgis | isreserved = pool.IsReserved(address) |
395 | ad4a9ae7 | Dimitris Aragiorgis | except errors.AddressPoolError:
|
396 | ad4a9ae7 | Dimitris Aragiorgis | raise errors.ReservationError("IP address not in network") |
397 | ad4a9ae7 | Dimitris Aragiorgis | if isreserved:
|
398 | ad4a9ae7 | Dimitris Aragiorgis | raise errors.ReservationError("IP address already in use") |
399 | ad4a9ae7 | Dimitris Aragiorgis | |
400 | e81eef56 | Dimitris Aragiorgis | return self._temporary_ips.Reserve(ec_id, |
401 | e81eef56 | Dimitris Aragiorgis | (constants.RESERVE_ACTION, |
402 | e81eef56 | Dimitris Aragiorgis | address, net_uuid)) |
403 | ad4a9ae7 | Dimitris Aragiorgis | |
404 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
405 | 9ccacbc8 | Dimitris Aragiorgis | def ReserveIp(self, net_uuid, address, ec_id): |
406 | ad4a9ae7 | Dimitris Aragiorgis | """Reserve a given IPv4 address for use by an instance.
|
407 | ad4a9ae7 | Dimitris Aragiorgis |
|
408 | ad4a9ae7 | Dimitris Aragiorgis | """
|
409 | 9ccacbc8 | Dimitris Aragiorgis | if net_uuid:
|
410 | 9ccacbc8 | Dimitris Aragiorgis | return self._UnlockedReserveIp(net_uuid, address, ec_id) |
411 | ad4a9ae7 | Dimitris Aragiorgis | |
412 | f9518d38 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
413 | d8aee57e | Iustin Pop | def ReserveLV(self, lv_name, ec_id): |
414 | d8aee57e | Iustin Pop | """Reserve an VG/LV pair for an instance.
|
415 | d8aee57e | Iustin Pop |
|
416 | d8aee57e | Iustin Pop | @type lv_name: string
|
417 | d8aee57e | Iustin Pop | @param lv_name: the logical volume name to reserve
|
418 | d8aee57e | Iustin Pop |
|
419 | d8aee57e | Iustin Pop | """
|
420 | d8aee57e | Iustin Pop | all_lvs = self._AllLVs()
|
421 | d8aee57e | Iustin Pop | if lv_name in all_lvs: |
422 | d8aee57e | Iustin Pop | raise errors.ReservationError("LV already in use") |
423 | d8aee57e | Iustin Pop | else:
|
424 | 8785b71b | Apollon Oikonomopoulos | self._temporary_lvs.Reserve(ec_id, lv_name)
|
425 | d8aee57e | Iustin Pop | |
426 | d8aee57e | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
427 | afa1386e | Guido Trotter | def GenerateDRBDSecret(self, ec_id): |
428 | f9518d38 | Iustin Pop | """Generate a DRBD secret.
|
429 | f9518d38 | Iustin Pop |
|
430 | f9518d38 | Iustin Pop | This checks the current disks for duplicates.
|
431 | f9518d38 | Iustin Pop |
|
432 | f9518d38 | Iustin Pop | """
|
433 | afa1386e | Guido Trotter | return self._temporary_secrets.Generate(self._AllDRBDSecrets(), |
434 | afa1386e | Guido Trotter | utils.GenerateSecret, |
435 | afa1386e | Guido Trotter | ec_id) |
436 | 8d9c3bef | Michael Hanselmann | |
437 | 34e54ebc | Iustin Pop | def _AllLVs(self): |
438 | 923b1523 | Iustin Pop | """Compute the list of all LVs.
|
439 | 923b1523 | Iustin Pop |
|
440 | 923b1523 | Iustin Pop | """
|
441 | 923b1523 | Iustin Pop | lvnames = set()
|
442 | 923b1523 | Iustin Pop | for instance in self._config_data.instances.values(): |
443 | 923b1523 | Iustin Pop | node_data = instance.MapLVsByNode() |
444 | 923b1523 | Iustin Pop | for lv_list in node_data.values(): |
445 | 923b1523 | Iustin Pop | lvnames.update(lv_list) |
446 | 923b1523 | Iustin Pop | return lvnames
|
447 | 923b1523 | Iustin Pop | |
448 | b87a9c5f | Christos Stavrakakis | def _AllDisks(self): |
449 | b87a9c5f | Christos Stavrakakis | """Compute the list of all Disks.
|
450 | b87a9c5f | Christos Stavrakakis |
|
451 | b87a9c5f | Christos Stavrakakis | """
|
452 | b87a9c5f | Christos Stavrakakis | disks = [] |
453 | b87a9c5f | Christos Stavrakakis | for instance in self._config_data.instances.values(): |
454 | b87a9c5f | Christos Stavrakakis | disks.extend(instance.disks) |
455 | b87a9c5f | Christos Stavrakakis | return disks
|
456 | b87a9c5f | Christos Stavrakakis | |
457 | b87a9c5f | Christos Stavrakakis | def _AllNICs(self): |
458 | b87a9c5f | Christos Stavrakakis | """Compute the list of all NICs.
|
459 | b87a9c5f | Christos Stavrakakis |
|
460 | b87a9c5f | Christos Stavrakakis | """
|
461 | b87a9c5f | Christos Stavrakakis | nics = [] |
462 | b87a9c5f | Christos Stavrakakis | for instance in self._config_data.instances.values(): |
463 | b87a9c5f | Christos Stavrakakis | nics.extend(instance.nics) |
464 | b87a9c5f | Christos Stavrakakis | return nics
|
465 | b87a9c5f | Christos Stavrakakis | |
466 | 34e54ebc | Iustin Pop | def _AllIDs(self, include_temporary): |
467 | 34e54ebc | Iustin Pop | """Compute the list of all UUIDs and names we have.
|
468 | 34e54ebc | Iustin Pop |
|
469 | 34e54ebc | Iustin Pop | @type include_temporary: boolean
|
470 | 34e54ebc | Iustin Pop | @param include_temporary: whether to include the _temporary_ids set
|
471 | 34e54ebc | Iustin Pop | @rtype: set
|
472 | 34e54ebc | Iustin Pop | @return: a set of IDs
|
473 | 34e54ebc | Iustin Pop |
|
474 | 34e54ebc | Iustin Pop | """
|
475 | 34e54ebc | Iustin Pop | existing = set()
|
476 | 34e54ebc | Iustin Pop | if include_temporary:
|
477 | 4fae38c5 | Guido Trotter | existing.update(self._temporary_ids.GetReserved())
|
478 | 34e54ebc | Iustin Pop | existing.update(self._AllLVs())
|
479 | 34e54ebc | Iustin Pop | existing.update(self._config_data.instances.keys())
|
480 | 34e54ebc | Iustin Pop | existing.update(self._config_data.nodes.keys())
|
481 | 76d5d3a3 | Iustin Pop | existing.update([i.uuid for i in self._AllUUIDObjects() if i.uuid]) |
482 | 34e54ebc | Iustin Pop | return existing
|
483 | 34e54ebc | Iustin Pop | |
484 | 4fae38c5 | Guido Trotter | def _GenerateUniqueID(self, ec_id): |
485 | 430b923c | Iustin Pop | """Generate an unique UUID.
|
486 | 923b1523 | Iustin Pop |
|
487 | 923b1523 | Iustin Pop | This checks the current node, instances and disk names for
|
488 | 923b1523 | Iustin Pop | duplicates.
|
489 | 923b1523 | Iustin Pop |
|
490 | c41eea6e | Iustin Pop | @rtype: string
|
491 | c41eea6e | Iustin Pop | @return: the unique id
|
492 | 923b1523 | Iustin Pop |
|
493 | 923b1523 | Iustin Pop | """
|
494 | 4fae38c5 | Guido Trotter | existing = self._AllIDs(include_temporary=False) |
495 | 4fae38c5 | Guido Trotter | return self._temporary_ids.Generate(existing, utils.NewUUID, ec_id) |
496 | 923b1523 | Iustin Pop | |
497 | 430b923c | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
498 | 4fae38c5 | Guido Trotter | def GenerateUniqueID(self, ec_id): |
499 | 430b923c | Iustin Pop | """Generate an unique ID.
|
500 | 430b923c | Iustin Pop |
|
501 | 430b923c | Iustin Pop | This is just a wrapper over the unlocked version.
|
502 | 430b923c | Iustin Pop |
|
503 | 4fae38c5 | Guido Trotter | @type ec_id: string
|
504 | 4fae38c5 | Guido Trotter | @param ec_id: unique id for the job to reserve the id to
|
505 | 34d657ba | Iustin Pop |
|
506 | 34d657ba | Iustin Pop | """
|
507 | 4fae38c5 | Guido Trotter | return self._GenerateUniqueID(ec_id) |
508 | 34d657ba | Iustin Pop | |
509 | a8083063 | Iustin Pop | def _AllMACs(self): |
510 | a8083063 | Iustin Pop | """Return all MACs present in the config.
|
511 | a8083063 | Iustin Pop |
|
512 | c41eea6e | Iustin Pop | @rtype: list
|
513 | c41eea6e | Iustin Pop | @return: the list of all MACs
|
514 | c41eea6e | Iustin Pop |
|
515 | a8083063 | Iustin Pop | """
|
516 | a8083063 | Iustin Pop | result = [] |
517 | a8083063 | Iustin Pop | for instance in self._config_data.instances.values(): |
518 | a8083063 | Iustin Pop | for nic in instance.nics: |
519 | a8083063 | Iustin Pop | result.append(nic.mac) |
520 | a8083063 | Iustin Pop | |
521 | a8083063 | Iustin Pop | return result
|
522 | a8083063 | Iustin Pop | |
523 | f9518d38 | Iustin Pop | def _AllDRBDSecrets(self): |
524 | f9518d38 | Iustin Pop | """Return all DRBD secrets present in the config.
|
525 | f9518d38 | Iustin Pop |
|
526 | c41eea6e | Iustin Pop | @rtype: list
|
527 | c41eea6e | Iustin Pop | @return: the list of all DRBD secrets
|
528 | c41eea6e | Iustin Pop |
|
529 | f9518d38 | Iustin Pop | """
|
530 | f9518d38 | Iustin Pop | def helper(disk, result): |
531 | f9518d38 | Iustin Pop | """Recursively gather secrets from this disk."""
|
532 | f9518d38 | Iustin Pop | if disk.dev_type == constants.DT_DRBD8:
|
533 | f9518d38 | Iustin Pop | result.append(disk.logical_id[5])
|
534 | f9518d38 | Iustin Pop | if disk.children:
|
535 | f9518d38 | Iustin Pop | for child in disk.children: |
536 | f9518d38 | Iustin Pop | helper(child, result) |
537 | f9518d38 | Iustin Pop | |
538 | f9518d38 | Iustin Pop | result = [] |
539 | f9518d38 | Iustin Pop | for instance in self._config_data.instances.values(): |
540 | f9518d38 | Iustin Pop | for disk in instance.disks: |
541 | f9518d38 | Iustin Pop | helper(disk, result) |
542 | f9518d38 | Iustin Pop | |
543 | f9518d38 | Iustin Pop | return result
|
544 | f9518d38 | Iustin Pop | |
545 | 4b98ac29 | Iustin Pop | def _CheckDiskIDs(self, disk, l_ids, p_ids): |
546 | 4b98ac29 | Iustin Pop | """Compute duplicate disk IDs
|
547 | 4b98ac29 | Iustin Pop |
|
548 | 4b98ac29 | Iustin Pop | @type disk: L{objects.Disk}
|
549 | 4b98ac29 | Iustin Pop | @param disk: the disk at which to start searching
|
550 | 4b98ac29 | Iustin Pop | @type l_ids: list
|
551 | 4b98ac29 | Iustin Pop | @param l_ids: list of current logical ids
|
552 | 4b98ac29 | Iustin Pop | @type p_ids: list
|
553 | 4b98ac29 | Iustin Pop | @param p_ids: list of current physical ids
|
554 | 4b98ac29 | Iustin Pop | @rtype: list
|
555 | 4b98ac29 | Iustin Pop | @return: a list of error messages
|
556 | 4b98ac29 | Iustin Pop |
|
557 | 4b98ac29 | Iustin Pop | """
|
558 | 4b98ac29 | Iustin Pop | result = [] |
559 | 25ae22e4 | Iustin Pop | if disk.logical_id is not None: |
560 | 25ae22e4 | Iustin Pop | if disk.logical_id in l_ids: |
561 | 25ae22e4 | Iustin Pop | result.append("duplicate logical id %s" % str(disk.logical_id)) |
562 | 25ae22e4 | Iustin Pop | else:
|
563 | 25ae22e4 | Iustin Pop | l_ids.append(disk.logical_id) |
564 | 25ae22e4 | Iustin Pop | if disk.physical_id is not None: |
565 | 25ae22e4 | Iustin Pop | if disk.physical_id in p_ids: |
566 | 25ae22e4 | Iustin Pop | result.append("duplicate physical id %s" % str(disk.physical_id)) |
567 | 25ae22e4 | Iustin Pop | else:
|
568 | 25ae22e4 | Iustin Pop | p_ids.append(disk.physical_id) |
569 | 4b98ac29 | Iustin Pop | |
570 | 4b98ac29 | Iustin Pop | if disk.children:
|
571 | 4b98ac29 | Iustin Pop | for child in disk.children: |
572 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(child, l_ids, p_ids))
|
573 | 4b98ac29 | Iustin Pop | return result
|
574 | 4b98ac29 | Iustin Pop | |
575 | 4a89c54a | Iustin Pop | def _UnlockedVerifyConfig(self): |
576 | a8efbb40 | Iustin Pop | """Verify function.
|
577 | a8efbb40 | Iustin Pop |
|
578 | 4a89c54a | Iustin Pop | @rtype: list
|
579 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
580 | 4a89c54a | Iustin Pop | configuration errors
|
581 | 4a89c54a | Iustin Pop |
|
582 | a8083063 | Iustin Pop | """
|
583 | b459a848 | Andrea Spadaccini | # pylint: disable=R0914
|
584 | a8083063 | Iustin Pop | result = [] |
585 | a8083063 | Iustin Pop | seen_macs = [] |
586 | 48ce9fd9 | Iustin Pop | ports = {} |
587 | a8083063 | Iustin Pop | data = self._config_data
|
588 | 7e01d204 | Iustin Pop | cluster = data.cluster |
589 | 4b98ac29 | Iustin Pop | seen_lids = [] |
590 | 4b98ac29 | Iustin Pop | seen_pids = [] |
591 | 9a5fba23 | Guido Trotter | |
592 | 9a5fba23 | Guido Trotter | # global cluster checks
|
593 | 7e01d204 | Iustin Pop | if not cluster.enabled_hypervisors: |
594 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors list doesn't have any entries")
|
595 | 7e01d204 | Iustin Pop | invalid_hvs = set(cluster.enabled_hypervisors) - constants.HYPER_TYPES
|
596 | 9a5fba23 | Guido Trotter | if invalid_hvs:
|
597 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors contains invalid entries: %s" %
|
598 | 3da6e141 | Helga Velroyen | utils.CommaJoin(invalid_hvs)) |
599 | 7e01d204 | Iustin Pop | missing_hvp = (set(cluster.enabled_hypervisors) -
|
600 | 7e01d204 | Iustin Pop | set(cluster.hvparams.keys()))
|
601 | 9f3ac970 | Iustin Pop | if missing_hvp:
|
602 | 9f3ac970 | Iustin Pop | result.append("hypervisor parameters missing for the enabled"
|
603 | 9f3ac970 | Iustin Pop | " hypervisor(s) %s" % utils.CommaJoin(missing_hvp))
|
604 | 9a5fba23 | Guido Trotter | |
605 | 3da6e141 | Helga Velroyen | if not cluster.enabled_disk_templates: |
606 | 3da6e141 | Helga Velroyen | result.append("enabled disk templates list doesn't have any entries")
|
607 | 3da6e141 | Helga Velroyen | invalid_disk_templates = set(cluster.enabled_disk_templates) \
|
608 | 3da6e141 | Helga Velroyen | - constants.DISK_TEMPLATES |
609 | 3da6e141 | Helga Velroyen | if invalid_disk_templates:
|
610 | 3da6e141 | Helga Velroyen | result.append("enabled disk templates list contains invalid entries:"
|
611 | 3da6e141 | Helga Velroyen | " %s" % utils.CommaJoin(invalid_disk_templates))
|
612 | 3da6e141 | Helga Velroyen | |
613 | 7e01d204 | Iustin Pop | if cluster.master_node not in data.nodes: |
614 | 9a5fba23 | Guido Trotter | result.append("cluster has invalid primary node '%s'" %
|
615 | 7e01d204 | Iustin Pop | cluster.master_node) |
616 | 9a5fba23 | Guido Trotter | |
617 | 26f2fd8d | Iustin Pop | def _helper(owner, attr, value, template): |
618 | 26f2fd8d | Iustin Pop | try:
|
619 | 26f2fd8d | Iustin Pop | utils.ForceDictType(value, template) |
620 | 26f2fd8d | Iustin Pop | except errors.GenericError, err:
|
621 | 26f2fd8d | Iustin Pop | result.append("%s has invalid %s: %s" % (owner, attr, err))
|
622 | 26f2fd8d | Iustin Pop | |
623 | 26f2fd8d | Iustin Pop | def _helper_nic(owner, params): |
624 | 26f2fd8d | Iustin Pop | try:
|
625 | 26f2fd8d | Iustin Pop | objects.NIC.CheckParameterSyntax(params) |
626 | 26f2fd8d | Iustin Pop | except errors.ConfigurationError, err:
|
627 | 26f2fd8d | Iustin Pop | result.append("%s has invalid nicparams: %s" % (owner, err))
|
628 | 26f2fd8d | Iustin Pop | |
629 | da5f09ef | Bernardo Dal Seno | def _helper_ipolicy(owner, ipolicy, iscluster): |
630 | 918eb80b | Agata Murawska | try:
|
631 | da5f09ef | Bernardo Dal Seno | objects.InstancePolicy.CheckParameterSyntax(ipolicy, iscluster) |
632 | 918eb80b | Agata Murawska | except errors.ConfigurationError, err:
|
633 | 918eb80b | Agata Murawska | result.append("%s has invalid instance policy: %s" % (owner, err))
|
634 | da5f09ef | Bernardo Dal Seno | for key, value in ipolicy.items(): |
635 | da5f09ef | Bernardo Dal Seno | if key == constants.ISPECS_MINMAX:
|
636 | 41044e04 | Bernardo Dal Seno | for k in range(len(value)): |
637 | 41044e04 | Bernardo Dal Seno | _helper_ispecs(owner, "ipolicy/%s[%s]" % (key, k), value[k])
|
638 | da5f09ef | Bernardo Dal Seno | elif key == constants.ISPECS_STD:
|
639 | da5f09ef | Bernardo Dal Seno | _helper(owner, "ipolicy/" + key, value,
|
640 | da5f09ef | Bernardo Dal Seno | constants.ISPECS_PARAMETER_TYPES) |
641 | 2cc673a3 | Iustin Pop | else:
|
642 | 2cc673a3 | Iustin Pop | # FIXME: assuming list type
|
643 | ff6c5e55 | Iustin Pop | if key in constants.IPOLICY_PARAMETERS: |
644 | ff6c5e55 | Iustin Pop | exp_type = float
|
645 | ff6c5e55 | Iustin Pop | else:
|
646 | ff6c5e55 | Iustin Pop | exp_type = list
|
647 | ff6c5e55 | Iustin Pop | if not isinstance(value, exp_type): |
648 | 2cc673a3 | Iustin Pop | result.append("%s has invalid instance policy: for %s,"
|
649 | ff6c5e55 | Iustin Pop | " expecting %s, got %s" %
|
650 | ff6c5e55 | Iustin Pop | (owner, key, exp_type.__name__, type(value)))
|
651 | 918eb80b | Agata Murawska | |
652 | da5f09ef | Bernardo Dal Seno | def _helper_ispecs(owner, parentkey, params): |
653 | da5f09ef | Bernardo Dal Seno | for (key, value) in params.items(): |
654 | da5f09ef | Bernardo Dal Seno | fullkey = "/".join([parentkey, key])
|
655 | da5f09ef | Bernardo Dal Seno | _helper(owner, fullkey, value, constants.ISPECS_PARAMETER_TYPES) |
656 | da5f09ef | Bernardo Dal Seno | |
657 | 26f2fd8d | Iustin Pop | # check cluster parameters
|
658 | 26f2fd8d | Iustin Pop | _helper("cluster", "beparams", cluster.SimpleFillBE({}), |
659 | 26f2fd8d | Iustin Pop | constants.BES_PARAMETER_TYPES) |
660 | 26f2fd8d | Iustin Pop | _helper("cluster", "nicparams", cluster.SimpleFillNIC({}), |
661 | 26f2fd8d | Iustin Pop | constants.NICS_PARAMETER_TYPES) |
662 | 26f2fd8d | Iustin Pop | _helper_nic("cluster", cluster.SimpleFillNIC({}))
|
663 | 26f2fd8d | Iustin Pop | _helper("cluster", "ndparams", cluster.SimpleFillND({}), |
664 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
665 | da5f09ef | Bernardo Dal Seno | _helper_ipolicy("cluster", cluster.ipolicy, True) |
666 | 26f2fd8d | Iustin Pop | |
667 | 9a5fba23 | Guido Trotter | # per-instance checks
|
668 | da4a52a3 | Thomas Thrainer | for instance_uuid in data.instances: |
669 | da4a52a3 | Thomas Thrainer | instance = data.instances[instance_uuid] |
670 | da4a52a3 | Thomas Thrainer | if instance.uuid != instance_uuid:
|
671 | da4a52a3 | Thomas Thrainer | result.append("instance '%s' is indexed by wrong UUID '%s'" %
|
672 | da4a52a3 | Thomas Thrainer | (instance.name, instance_uuid)) |
673 | a8083063 | Iustin Pop | if instance.primary_node not in data.nodes: |
674 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid primary node '%s'" %
|
675 | da4a52a3 | Thomas Thrainer | (instance.name, instance.primary_node)) |
676 | a8083063 | Iustin Pop | for snode in instance.secondary_nodes: |
677 | a8083063 | Iustin Pop | if snode not in data.nodes: |
678 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid secondary node '%s'" %
|
679 | da4a52a3 | Thomas Thrainer | (instance.name, snode)) |
680 | a8083063 | Iustin Pop | for idx, nic in enumerate(instance.nics): |
681 | a8083063 | Iustin Pop | if nic.mac in seen_macs: |
682 | 8522ceeb | Iustin Pop | result.append("instance '%s' has NIC %d mac %s duplicate" %
|
683 | da4a52a3 | Thomas Thrainer | (instance.name, idx, nic.mac)) |
684 | a8083063 | Iustin Pop | else:
|
685 | a8083063 | Iustin Pop | seen_macs.append(nic.mac) |
686 | 26f2fd8d | Iustin Pop | if nic.nicparams:
|
687 | 26f2fd8d | Iustin Pop | filled = cluster.SimpleFillNIC(nic.nicparams) |
688 | 26f2fd8d | Iustin Pop | owner = "instance %s nic %d" % (instance.name, idx)
|
689 | 26f2fd8d | Iustin Pop | _helper(owner, "nicparams",
|
690 | 26f2fd8d | Iustin Pop | filled, constants.NICS_PARAMETER_TYPES) |
691 | 26f2fd8d | Iustin Pop | _helper_nic(owner, filled) |
692 | 26f2fd8d | Iustin Pop | |
693 | 3da6e141 | Helga Velroyen | # disk template checks
|
694 | 3da6e141 | Helga Velroyen | if not instance.disk_template in data.cluster.enabled_disk_templates: |
695 | 3da6e141 | Helga Velroyen | result.append("instance '%s' uses the disabled disk template '%s'." %
|
696 | da4a52a3 | Thomas Thrainer | (instance.name, instance.disk_template)) |
697 | 3da6e141 | Helga Velroyen | |
698 | 26f2fd8d | Iustin Pop | # parameter checks
|
699 | 26f2fd8d | Iustin Pop | if instance.beparams:
|
700 | 26f2fd8d | Iustin Pop | _helper("instance %s" % instance.name, "beparams", |
701 | 26f2fd8d | Iustin Pop | cluster.FillBE(instance), constants.BES_PARAMETER_TYPES) |
702 | 48ce9fd9 | Iustin Pop | |
703 | 48ce9fd9 | Iustin Pop | # gather the drbd ports for duplicate checks
|
704 | e2569c1d | Michael Hanselmann | for (idx, dsk) in enumerate(instance.disks): |
705 | 48ce9fd9 | Iustin Pop | if dsk.dev_type in constants.LDS_DRBD: |
706 | 48ce9fd9 | Iustin Pop | tcp_port = dsk.logical_id[2]
|
707 | 48ce9fd9 | Iustin Pop | if tcp_port not in ports: |
708 | 48ce9fd9 | Iustin Pop | ports[tcp_port] = [] |
709 | e2569c1d | Michael Hanselmann | ports[tcp_port].append((instance.name, "drbd disk %s" % idx))
|
710 | 48ce9fd9 | Iustin Pop | # gather network port reservation
|
711 | 48ce9fd9 | Iustin Pop | net_port = getattr(instance, "network_port", None) |
712 | 48ce9fd9 | Iustin Pop | if net_port is not None: |
713 | 48ce9fd9 | Iustin Pop | if net_port not in ports: |
714 | 48ce9fd9 | Iustin Pop | ports[net_port] = [] |
715 | 48ce9fd9 | Iustin Pop | ports[net_port].append((instance.name, "network port"))
|
716 | 48ce9fd9 | Iustin Pop | |
717 | 332d0e37 | Iustin Pop | # instance disk verify
|
718 | 332d0e37 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
719 | 332d0e37 | Iustin Pop | result.extend(["instance '%s' disk %d error: %s" %
|
720 | 332d0e37 | Iustin Pop | (instance.name, idx, msg) for msg in disk.Verify()]) |
721 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(disk, seen_lids, seen_pids))
|
722 | 332d0e37 | Iustin Pop | |
723 | 82c54b5b | Michael Hanselmann | wrong_names = _CheckInstanceDiskIvNames(instance.disks) |
724 | 82c54b5b | Michael Hanselmann | if wrong_names:
|
725 | 82c54b5b | Michael Hanselmann | tmp = "; ".join(("name of disk %s should be '%s', but is '%s'" % |
726 | 82c54b5b | Michael Hanselmann | (idx, exp_name, actual_name)) |
727 | 82c54b5b | Michael Hanselmann | for (idx, exp_name, actual_name) in wrong_names) |
728 | 82c54b5b | Michael Hanselmann | |
729 | 82c54b5b | Michael Hanselmann | result.append("Instance '%s' has wrongly named disks: %s" %
|
730 | 82c54b5b | Michael Hanselmann | (instance.name, tmp)) |
731 | 82c54b5b | Michael Hanselmann | |
732 | 48ce9fd9 | Iustin Pop | # cluster-wide pool of free ports
|
733 | 7e01d204 | Iustin Pop | for free_port in cluster.tcpudp_port_pool: |
734 | 48ce9fd9 | Iustin Pop | if free_port not in ports: |
735 | 48ce9fd9 | Iustin Pop | ports[free_port] = [] |
736 | 48ce9fd9 | Iustin Pop | ports[free_port].append(("cluster", "port marked as free")) |
737 | 48ce9fd9 | Iustin Pop | |
738 | 48ce9fd9 | Iustin Pop | # compute tcp/udp duplicate ports
|
739 | 48ce9fd9 | Iustin Pop | keys = ports.keys() |
740 | 48ce9fd9 | Iustin Pop | keys.sort() |
741 | 48ce9fd9 | Iustin Pop | for pnum in keys: |
742 | 48ce9fd9 | Iustin Pop | pdata = ports[pnum] |
743 | 48ce9fd9 | Iustin Pop | if len(pdata) > 1: |
744 | 1f864b60 | Iustin Pop | txt = utils.CommaJoin(["%s/%s" % val for val in pdata]) |
745 | 48ce9fd9 | Iustin Pop | result.append("tcp/udp port %s has duplicates: %s" % (pnum, txt))
|
746 | 48ce9fd9 | Iustin Pop | |
747 | 48ce9fd9 | Iustin Pop | # highest used tcp port check
|
748 | 48ce9fd9 | Iustin Pop | if keys:
|
749 | 7e01d204 | Iustin Pop | if keys[-1] > cluster.highest_used_port: |
750 | 48ce9fd9 | Iustin Pop | result.append("Highest used port mismatch, saved %s, computed %s" %
|
751 | 7e01d204 | Iustin Pop | (cluster.highest_used_port, keys[-1]))
|
752 | a8efbb40 | Iustin Pop | |
753 | 7e01d204 | Iustin Pop | if not data.nodes[cluster.master_node].master_candidate: |
754 | 3a26773f | Iustin Pop | result.append("Master node is not a master candidate")
|
755 | 3a26773f | Iustin Pop | |
756 | 4a89c54a | Iustin Pop | # master candidate checks
|
757 | e623dbe3 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats()
|
758 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
759 | ec0292f1 | Iustin Pop | result.append("Not enough master candidates: actual %d, target %d" %
|
760 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
761 | 48ce9fd9 | Iustin Pop | |
762 | 5bf07049 | Iustin Pop | # node checks
|
763 | 1c3231aa | Thomas Thrainer | for node_uuid, node in data.nodes.items(): |
764 | 1c3231aa | Thomas Thrainer | if node.uuid != node_uuid:
|
765 | 1c3231aa | Thomas Thrainer | result.append("Node '%s' is indexed by wrong UUID '%s'" %
|
766 | 1c3231aa | Thomas Thrainer | (node.name, node_uuid)) |
767 | 5bf07049 | Iustin Pop | if [node.master_candidate, node.drained, node.offline].count(True) > 1: |
768 | 5bf07049 | Iustin Pop | result.append("Node %s state is invalid: master_candidate=%s,"
|
769 | 5bf07049 | Iustin Pop | " drain=%s, offline=%s" %
|
770 | 3d889a7d | Michael Hanselmann | (node.name, node.master_candidate, node.drained, |
771 | 5bf07049 | Iustin Pop | node.offline)) |
772 | 26f2fd8d | Iustin Pop | if node.group not in data.nodegroups: |
773 | 26f2fd8d | Iustin Pop | result.append("Node '%s' has invalid group '%s'" %
|
774 | 26f2fd8d | Iustin Pop | (node.name, node.group)) |
775 | 26f2fd8d | Iustin Pop | else:
|
776 | 26f2fd8d | Iustin Pop | _helper("node %s" % node.name, "ndparams", |
777 | 26f2fd8d | Iustin Pop | cluster.FillND(node, data.nodegroups[node.group]), |
778 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
779 | 3697def0 | Bernardo Dal Seno | used_globals = constants.NDC_GLOBALS.intersection(node.ndparams) |
780 | 3697def0 | Bernardo Dal Seno | if used_globals:
|
781 | 3697def0 | Bernardo Dal Seno | result.append("Node '%s' has some global parameters set: %s" %
|
782 | 3697def0 | Bernardo Dal Seno | (node.name, utils.CommaJoin(used_globals))) |
783 | 5bf07049 | Iustin Pop | |
784 | 6520ba14 | Guido Trotter | # nodegroups checks
|
785 | ace16501 | Guido Trotter | nodegroups_names = set()
|
786 | 6520ba14 | Guido Trotter | for nodegroup_uuid in data.nodegroups: |
787 | 6520ba14 | Guido Trotter | nodegroup = data.nodegroups[nodegroup_uuid] |
788 | 6520ba14 | Guido Trotter | if nodegroup.uuid != nodegroup_uuid:
|
789 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') indexed by wrong uuid '%s'"
|
790 | 6520ba14 | Guido Trotter | % (nodegroup.name, nodegroup.uuid, nodegroup_uuid)) |
791 | 485ba212 | Guido Trotter | if utils.UUID_RE.match(nodegroup.name.lower()):
|
792 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') has uuid-like name" %
|
793 | 485ba212 | Guido Trotter | (nodegroup.name, nodegroup.uuid)) |
794 | ace16501 | Guido Trotter | if nodegroup.name in nodegroups_names: |
795 | 913cc25e | Adeodato Simo | result.append("duplicate node group name '%s'" % nodegroup.name)
|
796 | ace16501 | Guido Trotter | else:
|
797 | ace16501 | Guido Trotter | nodegroups_names.add(nodegroup.name) |
798 | 81e3ab4f | Agata Murawska | group_name = "group %s" % nodegroup.name
|
799 | 8b057218 | René Nussbaumer | _helper_ipolicy(group_name, cluster.SimpleFillIPolicy(nodegroup.ipolicy), |
800 | 8b057218 | René Nussbaumer | False)
|
801 | 26f2fd8d | Iustin Pop | if nodegroup.ndparams:
|
802 | 81e3ab4f | Agata Murawska | _helper(group_name, "ndparams",
|
803 | 26f2fd8d | Iustin Pop | cluster.SimpleFillND(nodegroup.ndparams), |
804 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
805 | 26f2fd8d | Iustin Pop | |
806 | 4a89c54a | Iustin Pop | # drbd minors check
|
807 | 1122eb25 | Iustin Pop | _, duplicates = self._UnlockedComputeDRBDMap()
|
808 | 4a89c54a | Iustin Pop | for node, minor, instance_a, instance_b in duplicates: |
809 | 4a89c54a | Iustin Pop | result.append("DRBD minor %d on node %s is assigned twice to instances"
|
810 | 4a89c54a | Iustin Pop | " %s and %s" % (minor, node, instance_a, instance_b))
|
811 | 4a89c54a | Iustin Pop | |
812 | 0ce8f948 | Iustin Pop | # IP checks
|
813 | 7e01d204 | Iustin Pop | default_nicparams = cluster.nicparams[constants.PP_DEFAULT] |
814 | b8716596 | Michael Hanselmann | ips = {} |
815 | b8716596 | Michael Hanselmann | |
816 | b8716596 | Michael Hanselmann | def _AddIpAddress(ip, name): |
817 | b8716596 | Michael Hanselmann | ips.setdefault(ip, []).append(name) |
818 | b8716596 | Michael Hanselmann | |
819 | 7e01d204 | Iustin Pop | _AddIpAddress(cluster.master_ip, "cluster_ip")
|
820 | 0ce8f948 | Iustin Pop | |
821 | 0ce8f948 | Iustin Pop | for node in data.nodes.values(): |
822 | b8716596 | Michael Hanselmann | _AddIpAddress(node.primary_ip, "node:%s/primary" % node.name)
|
823 | 0ce8f948 | Iustin Pop | if node.secondary_ip != node.primary_ip:
|
824 | b8716596 | Michael Hanselmann | _AddIpAddress(node.secondary_ip, "node:%s/secondary" % node.name)
|
825 | b8716596 | Michael Hanselmann | |
826 | b8716596 | Michael Hanselmann | for instance in data.instances.values(): |
827 | b8716596 | Michael Hanselmann | for idx, nic in enumerate(instance.nics): |
828 | b8716596 | Michael Hanselmann | if nic.ip is None: |
829 | b8716596 | Michael Hanselmann | continue
|
830 | b8716596 | Michael Hanselmann | |
831 | b8716596 | Michael Hanselmann | nicparams = objects.FillDict(default_nicparams, nic.nicparams) |
832 | b8716596 | Michael Hanselmann | nic_mode = nicparams[constants.NIC_MODE] |
833 | b8716596 | Michael Hanselmann | nic_link = nicparams[constants.NIC_LINK] |
834 | b8716596 | Michael Hanselmann | |
835 | b8716596 | Michael Hanselmann | if nic_mode == constants.NIC_MODE_BRIDGED:
|
836 | b8716596 | Michael Hanselmann | link = "bridge:%s" % nic_link
|
837 | b8716596 | Michael Hanselmann | elif nic_mode == constants.NIC_MODE_ROUTED:
|
838 | b8716596 | Michael Hanselmann | link = "route:%s" % nic_link
|
839 | b8716596 | Michael Hanselmann | else:
|
840 | b8716596 | Michael Hanselmann | raise errors.ProgrammerError("NIC mode '%s' not handled" % nic_mode) |
841 | b8716596 | Michael Hanselmann | |
842 | ad4a9ae7 | Dimitris Aragiorgis | _AddIpAddress("%s/%s/%s" % (link, nic.ip, nic.network),
|
843 | b8716596 | Michael Hanselmann | "instance:%s/nic:%d" % (instance.name, idx))
|
844 | 0ce8f948 | Iustin Pop | |
845 | 0ce8f948 | Iustin Pop | for ip, owners in ips.items(): |
846 | 0ce8f948 | Iustin Pop | if len(owners) > 1: |
847 | 0ce8f948 | Iustin Pop | result.append("IP address %s is used by multiple owners: %s" %
|
848 | 1f864b60 | Iustin Pop | (ip, utils.CommaJoin(owners))) |
849 | b8716596 | Michael Hanselmann | |
850 | a8083063 | Iustin Pop | return result
|
851 | a8083063 | Iustin Pop | |
852 | 4a89c54a | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
853 | 4a89c54a | Iustin Pop | def VerifyConfig(self): |
854 | 4a89c54a | Iustin Pop | """Verify function.
|
855 | 4a89c54a | Iustin Pop |
|
856 | 4a89c54a | Iustin Pop | This is just a wrapper over L{_UnlockedVerifyConfig}.
|
857 | 4a89c54a | Iustin Pop |
|
858 | 4a89c54a | Iustin Pop | @rtype: list
|
859 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
860 | 4a89c54a | Iustin Pop | configuration errors
|
861 | 4a89c54a | Iustin Pop |
|
862 | 4a89c54a | Iustin Pop | """
|
863 | 4a89c54a | Iustin Pop | return self._UnlockedVerifyConfig() |
864 | 4a89c54a | Iustin Pop | |
865 | 1c3231aa | Thomas Thrainer | def _UnlockedSetDiskID(self, disk, node_uuid): |
866 | a8083063 | Iustin Pop | """Convert the unique ID to the ID needed on the target nodes.
|
867 | a8083063 | Iustin Pop |
|
868 | a8083063 | Iustin Pop | This is used only for drbd, which needs ip/port configuration.
|
869 | a8083063 | Iustin Pop |
|
870 | a8083063 | Iustin Pop | The routine descends down and updates its children also, because
|
871 | a8083063 | Iustin Pop | this helps when the only the top device is passed to the remote
|
872 | a8083063 | Iustin Pop | node.
|
873 | a8083063 | Iustin Pop |
|
874 | f78ede4e | Guido Trotter | This function is for internal use, when the config lock is already held.
|
875 | f78ede4e | Guido Trotter |
|
876 | a8083063 | Iustin Pop | """
|
877 | a8083063 | Iustin Pop | if disk.children:
|
878 | a8083063 | Iustin Pop | for child in disk.children: |
879 | 1c3231aa | Thomas Thrainer | self._UnlockedSetDiskID(child, node_uuid)
|
880 | a8083063 | Iustin Pop | |
881 | a8083063 | Iustin Pop | if disk.logical_id is None and disk.physical_id is not None: |
882 | a8083063 | Iustin Pop | return
|
883 | ffa1c0dc | Iustin Pop | if disk.dev_type == constants.LD_DRBD8:
|
884 | f9518d38 | Iustin Pop | pnode, snode, port, pminor, sminor, secret = disk.logical_id |
885 | 1c3231aa | Thomas Thrainer | if node_uuid not in (pnode, snode): |
886 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("DRBD device not knowing node %s" % |
887 | 1c3231aa | Thomas Thrainer | node_uuid) |
888 | f78ede4e | Guido Trotter | pnode_info = self._UnlockedGetNodeInfo(pnode)
|
889 | f78ede4e | Guido Trotter | snode_info = self._UnlockedGetNodeInfo(snode)
|
890 | a8083063 | Iustin Pop | if pnode_info is None or snode_info is None: |
891 | a8083063 | Iustin Pop | raise errors.ConfigurationError("Can't find primary or secondary node" |
892 | a8083063 | Iustin Pop | " for %s" % str(disk)) |
893 | ffa1c0dc | Iustin Pop | p_data = (pnode_info.secondary_ip, port) |
894 | ffa1c0dc | Iustin Pop | s_data = (snode_info.secondary_ip, port) |
895 | 1c3231aa | Thomas Thrainer | if pnode == node_uuid:
|
896 | f9518d38 | Iustin Pop | disk.physical_id = p_data + s_data + (pminor, secret) |
897 | a8083063 | Iustin Pop | else: # it must be secondary, we tested above |
898 | f9518d38 | Iustin Pop | disk.physical_id = s_data + p_data + (sminor, secret) |
899 | a8083063 | Iustin Pop | else:
|
900 | a8083063 | Iustin Pop | disk.physical_id = disk.logical_id |
901 | a8083063 | Iustin Pop | return
|
902 | a8083063 | Iustin Pop | |
903 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
904 | 1c3231aa | Thomas Thrainer | def SetDiskID(self, disk, node_uuid): |
905 | f78ede4e | Guido Trotter | """Convert the unique ID to the ID needed on the target nodes.
|
906 | f78ede4e | Guido Trotter |
|
907 | f78ede4e | Guido Trotter | This is used only for drbd, which needs ip/port configuration.
|
908 | f78ede4e | Guido Trotter |
|
909 | f78ede4e | Guido Trotter | The routine descends down and updates its children also, because
|
910 | f78ede4e | Guido Trotter | this helps when the only the top device is passed to the remote
|
911 | f78ede4e | Guido Trotter | node.
|
912 | f78ede4e | Guido Trotter |
|
913 | f78ede4e | Guido Trotter | """
|
914 | 1c3231aa | Thomas Thrainer | return self._UnlockedSetDiskID(disk, node_uuid) |
915 | f78ede4e | Guido Trotter | |
916 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
917 | b2fddf63 | Iustin Pop | def AddTcpUdpPort(self, port): |
918 | b2fddf63 | Iustin Pop | """Adds a new port to the available port pool.
|
919 | b2fddf63 | Iustin Pop |
|
920 | 3b3b1bca | Dimitris Aragiorgis | @warning: this method does not "flush" the configuration (via
|
921 | 3b3b1bca | Dimitris Aragiorgis | L{_WriteConfig}); callers should do that themselves once the
|
922 | 3b3b1bca | Dimitris Aragiorgis | configuration is stable
|
923 | 3b3b1bca | Dimitris Aragiorgis |
|
924 | b2fddf63 | Iustin Pop | """
|
925 | 264bb3c5 | Michael Hanselmann | if not isinstance(port, int): |
926 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed for port") |
927 | 264bb3c5 | Michael Hanselmann | |
928 | b2fddf63 | Iustin Pop | self._config_data.cluster.tcpudp_port_pool.add(port)
|
929 | 264bb3c5 | Michael Hanselmann | |
930 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
931 | b2fddf63 | Iustin Pop | def GetPortList(self): |
932 | 264bb3c5 | Michael Hanselmann | """Returns a copy of the current port list.
|
933 | 264bb3c5 | Michael Hanselmann |
|
934 | 264bb3c5 | Michael Hanselmann | """
|
935 | b2fddf63 | Iustin Pop | return self._config_data.cluster.tcpudp_port_pool.copy() |
936 | 264bb3c5 | Michael Hanselmann | |
937 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
938 | a8083063 | Iustin Pop | def AllocatePort(self): |
939 | a8083063 | Iustin Pop | """Allocate a port.
|
940 | a8083063 | Iustin Pop |
|
941 | b2fddf63 | Iustin Pop | The port will be taken from the available port pool or from the
|
942 | b2fddf63 | Iustin Pop | default port range (and in this case we increase
|
943 | b2fddf63 | Iustin Pop | highest_used_port).
|
944 | a8083063 | Iustin Pop |
|
945 | a8083063 | Iustin Pop | """
|
946 | 264bb3c5 | Michael Hanselmann | # If there are TCP/IP ports configured, we use them first.
|
947 | b2fddf63 | Iustin Pop | if self._config_data.cluster.tcpudp_port_pool: |
948 | b2fddf63 | Iustin Pop | port = self._config_data.cluster.tcpudp_port_pool.pop()
|
949 | 264bb3c5 | Michael Hanselmann | else:
|
950 | 264bb3c5 | Michael Hanselmann | port = self._config_data.cluster.highest_used_port + 1 |
951 | 264bb3c5 | Michael Hanselmann | if port >= constants.LAST_DRBD_PORT:
|
952 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("The highest used port is greater" |
953 | 3ecf6786 | Iustin Pop | " than %s. Aborting." %
|
954 | 3ecf6786 | Iustin Pop | constants.LAST_DRBD_PORT) |
955 | 264bb3c5 | Michael Hanselmann | self._config_data.cluster.highest_used_port = port
|
956 | a8083063 | Iustin Pop | |
957 | a8083063 | Iustin Pop | self._WriteConfig()
|
958 | a8083063 | Iustin Pop | return port
|
959 | a8083063 | Iustin Pop | |
960 | 6d2e83d5 | Iustin Pop | def _UnlockedComputeDRBDMap(self): |
961 | a81c53c9 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
962 | a81c53c9 | Iustin Pop |
|
963 | 4a89c54a | Iustin Pop | @rtype: (dict, list)
|
964 | da4a52a3 | Thomas Thrainer | @return: dictionary of node_uuid: dict of minor: instance_uuid;
|
965 | c41eea6e | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
966 | 4a89c54a | Iustin Pop | an empty list), and a list of duplicates; if the duplicates
|
967 | 4a89c54a | Iustin Pop | list is not empty, the configuration is corrupted and its caller
|
968 | 4a89c54a | Iustin Pop | should raise an exception
|
969 | a81c53c9 | Iustin Pop |
|
970 | a81c53c9 | Iustin Pop | """
|
971 | da4a52a3 | Thomas Thrainer | def _AppendUsedMinors(get_node_name_fn, instance, disk, used): |
972 | 4a89c54a | Iustin Pop | duplicates = [] |
973 | f9518d38 | Iustin Pop | if disk.dev_type == constants.LD_DRBD8 and len(disk.logical_id) >= 5: |
974 | 7c4d6c7b | Michael Hanselmann | node_a, node_b, _, minor_a, minor_b = disk.logical_id[:5]
|
975 | da4a52a3 | Thomas Thrainer | for node_uuid, minor in ((node_a, minor_a), (node_b, minor_b)): |
976 | b691385f | Thomas Thrainer | assert node_uuid in used, \ |
977 | b691385f | Thomas Thrainer | ("Node '%s' of instance '%s' not found in node list" %
|
978 | da4a52a3 | Thomas Thrainer | (get_node_name_fn(node_uuid), instance.name)) |
979 | da4a52a3 | Thomas Thrainer | if minor in used[node_uuid]: |
980 | da4a52a3 | Thomas Thrainer | duplicates.append((node_uuid, minor, instance.uuid, |
981 | da4a52a3 | Thomas Thrainer | used[node_uuid][minor])) |
982 | 4a89c54a | Iustin Pop | else:
|
983 | da4a52a3 | Thomas Thrainer | used[node_uuid][minor] = instance.uuid |
984 | a81c53c9 | Iustin Pop | if disk.children:
|
985 | a81c53c9 | Iustin Pop | for child in disk.children: |
986 | da4a52a3 | Thomas Thrainer | duplicates.extend(_AppendUsedMinors(get_node_name_fn, instance, child, |
987 | da4a52a3 | Thomas Thrainer | used)) |
988 | 4a89c54a | Iustin Pop | return duplicates
|
989 | a81c53c9 | Iustin Pop | |
990 | 4a89c54a | Iustin Pop | duplicates = [] |
991 | da4a52a3 | Thomas Thrainer | my_dict = dict((node_uuid, {}) for node_uuid in self._config_data.nodes) |
992 | 79b26a7a | Iustin Pop | for instance in self._config_data.instances.itervalues(): |
993 | 79b26a7a | Iustin Pop | for disk in instance.disks: |
994 | da4a52a3 | Thomas Thrainer | duplicates.extend(_AppendUsedMinors(self._UnlockedGetNodeName,
|
995 | da4a52a3 | Thomas Thrainer | instance, disk, my_dict)) |
996 | da4a52a3 | Thomas Thrainer | for (node_uuid, minor), inst_uuid in self._temporary_drbds.iteritems(): |
997 | da4a52a3 | Thomas Thrainer | if minor in my_dict[node_uuid] and my_dict[node_uuid][minor] != inst_uuid: |
998 | da4a52a3 | Thomas Thrainer | duplicates.append((node_uuid, minor, inst_uuid, |
999 | da4a52a3 | Thomas Thrainer | my_dict[node_uuid][minor])) |
1000 | 4a89c54a | Iustin Pop | else:
|
1001 | da4a52a3 | Thomas Thrainer | my_dict[node_uuid][minor] = inst_uuid |
1002 | 4a89c54a | Iustin Pop | return my_dict, duplicates
|
1003 | a81c53c9 | Iustin Pop | |
1004 | a81c53c9 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1005 | 6d2e83d5 | Iustin Pop | def ComputeDRBDMap(self): |
1006 | 6d2e83d5 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
1007 | 6d2e83d5 | Iustin Pop |
|
1008 | 6d2e83d5 | Iustin Pop | This is just a wrapper over L{_UnlockedComputeDRBDMap}.
|
1009 | 6d2e83d5 | Iustin Pop |
|
1010 | da4a52a3 | Thomas Thrainer | @return: dictionary of node_uuid: dict of minor: instance_uuid;
|
1011 | 6d2e83d5 | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
1012 | 6d2e83d5 | Iustin Pop | an empty list).
|
1013 | 6d2e83d5 | Iustin Pop |
|
1014 | 6d2e83d5 | Iustin Pop | """
|
1015 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
1016 | 4a89c54a | Iustin Pop | if duplicates:
|
1017 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
1018 | 4a89c54a | Iustin Pop | str(duplicates))
|
1019 | 4a89c54a | Iustin Pop | return d_map
|
1020 | 6d2e83d5 | Iustin Pop | |
1021 | 6d2e83d5 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1022 | da4a52a3 | Thomas Thrainer | def AllocateDRBDMinor(self, node_uuids, inst_uuid): |
1023 | a81c53c9 | Iustin Pop | """Allocate a drbd minor.
|
1024 | a81c53c9 | Iustin Pop |
|
1025 | a81c53c9 | Iustin Pop | The free minor will be automatically computed from the existing
|
1026 | a81c53c9 | Iustin Pop | devices. A node can be given multiple times in order to allocate
|
1027 | a81c53c9 | Iustin Pop | multiple minors. The result is the list of minors, in the same
|
1028 | a81c53c9 | Iustin Pop | order as the passed nodes.
|
1029 | a81c53c9 | Iustin Pop |
|
1030 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1031 | da4a52a3 | Thomas Thrainer | @param inst_uuid: the instance for which we allocate minors
|
1032 | 32388e6d | Iustin Pop |
|
1033 | a81c53c9 | Iustin Pop | """
|
1034 | da4a52a3 | Thomas Thrainer | assert isinstance(inst_uuid, basestring), \ |
1035 | da4a52a3 | Thomas Thrainer | "Invalid argument '%s' passed to AllocateDRBDMinor" % inst_uuid
|
1036 | 32388e6d | Iustin Pop | |
1037 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
1038 | 4a89c54a | Iustin Pop | if duplicates:
|
1039 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
1040 | 4a89c54a | Iustin Pop | str(duplicates))
|
1041 | a81c53c9 | Iustin Pop | result = [] |
1042 | 1c3231aa | Thomas Thrainer | for nuuid in node_uuids: |
1043 | 1c3231aa | Thomas Thrainer | ndata = d_map[nuuid] |
1044 | a81c53c9 | Iustin Pop | if not ndata: |
1045 | a81c53c9 | Iustin Pop | # no minors used, we can start at 0
|
1046 | a81c53c9 | Iustin Pop | result.append(0)
|
1047 | da4a52a3 | Thomas Thrainer | ndata[0] = inst_uuid
|
1048 | da4a52a3 | Thomas Thrainer | self._temporary_drbds[(nuuid, 0)] = inst_uuid |
1049 | a81c53c9 | Iustin Pop | continue
|
1050 | a81c53c9 | Iustin Pop | keys = ndata.keys() |
1051 | a81c53c9 | Iustin Pop | keys.sort() |
1052 | a81c53c9 | Iustin Pop | ffree = utils.FirstFree(keys) |
1053 | a81c53c9 | Iustin Pop | if ffree is None: |
1054 | a81c53c9 | Iustin Pop | # return the next minor
|
1055 | a81c53c9 | Iustin Pop | # TODO: implement high-limit check
|
1056 | a81c53c9 | Iustin Pop | minor = keys[-1] + 1 |
1057 | a81c53c9 | Iustin Pop | else:
|
1058 | a81c53c9 | Iustin Pop | minor = ffree |
1059 | 4a89c54a | Iustin Pop | # double-check minor against current instances
|
1060 | 1c3231aa | Thomas Thrainer | assert minor not in d_map[nuuid], \ |
1061 | 4a89c54a | Iustin Pop | ("Attempt to reuse allocated DRBD minor %d on node %s,"
|
1062 | 4a89c54a | Iustin Pop | " already allocated to instance %s" %
|
1063 | 1c3231aa | Thomas Thrainer | (minor, nuuid, d_map[nuuid][minor])) |
1064 | da4a52a3 | Thomas Thrainer | ndata[minor] = inst_uuid |
1065 | 4a89c54a | Iustin Pop | # double-check minor against reservation
|
1066 | 1c3231aa | Thomas Thrainer | r_key = (nuuid, minor) |
1067 | 4a89c54a | Iustin Pop | assert r_key not in self._temporary_drbds, \ |
1068 | 4a89c54a | Iustin Pop | ("Attempt to reuse reserved DRBD minor %d on node %s,"
|
1069 | 4a89c54a | Iustin Pop | " reserved for instance %s" %
|
1070 | 1c3231aa | Thomas Thrainer | (minor, nuuid, self._temporary_drbds[r_key]))
|
1071 | da4a52a3 | Thomas Thrainer | self._temporary_drbds[r_key] = inst_uuid
|
1072 | 4a89c54a | Iustin Pop | result.append(minor) |
1073 | a81c53c9 | Iustin Pop | logging.debug("Request to allocate drbd minors, input: %s, returning %s",
|
1074 | 1c3231aa | Thomas Thrainer | node_uuids, result) |
1075 | a81c53c9 | Iustin Pop | return result
|
1076 | a81c53c9 | Iustin Pop | |
1077 | da4a52a3 | Thomas Thrainer | def _UnlockedReleaseDRBDMinors(self, inst_uuid): |
1078 | a81c53c9 | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
1079 | a81c53c9 | Iustin Pop |
|
1080 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1081 | da4a52a3 | Thomas Thrainer | @param inst_uuid: the instance for which temporary minors should be
|
1082 | da4a52a3 | Thomas Thrainer | released
|
1083 | a81c53c9 | Iustin Pop |
|
1084 | a81c53c9 | Iustin Pop | """
|
1085 | da4a52a3 | Thomas Thrainer | assert isinstance(inst_uuid, basestring), \ |
1086 | 32388e6d | Iustin Pop | "Invalid argument passed to ReleaseDRBDMinors"
|
1087 | da4a52a3 | Thomas Thrainer | for key, uuid in self._temporary_drbds.items(): |
1088 | da4a52a3 | Thomas Thrainer | if uuid == inst_uuid:
|
1089 | a81c53c9 | Iustin Pop | del self._temporary_drbds[key] |
1090 | a81c53c9 | Iustin Pop | |
1091 | 61cf6b5e | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1092 | da4a52a3 | Thomas Thrainer | def ReleaseDRBDMinors(self, inst_uuid): |
1093 | 61cf6b5e | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
1094 | 61cf6b5e | Iustin Pop |
|
1095 | 61cf6b5e | Iustin Pop | This should be called on the error paths, on the success paths
|
1096 | 61cf6b5e | Iustin Pop | it's automatically called by the ConfigWriter add and update
|
1097 | 61cf6b5e | Iustin Pop | functions.
|
1098 | 61cf6b5e | Iustin Pop |
|
1099 | 61cf6b5e | Iustin Pop | This function is just a wrapper over L{_UnlockedReleaseDRBDMinors}.
|
1100 | 61cf6b5e | Iustin Pop |
|
1101 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1102 | da4a52a3 | Thomas Thrainer | @param inst_uuid: the instance for which temporary minors should be
|
1103 | da4a52a3 | Thomas Thrainer | released
|
1104 | 61cf6b5e | Iustin Pop |
|
1105 | 61cf6b5e | Iustin Pop | """
|
1106 | da4a52a3 | Thomas Thrainer | self._UnlockedReleaseDRBDMinors(inst_uuid)
|
1107 | 61cf6b5e | Iustin Pop | |
1108 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1109 | 4a8b186a | Michael Hanselmann | def GetConfigVersion(self): |
1110 | 4a8b186a | Michael Hanselmann | """Get the configuration version.
|
1111 | 4a8b186a | Michael Hanselmann |
|
1112 | 4a8b186a | Michael Hanselmann | @return: Config version
|
1113 | 4a8b186a | Michael Hanselmann |
|
1114 | 4a8b186a | Michael Hanselmann | """
|
1115 | 4a8b186a | Michael Hanselmann | return self._config_data.version |
1116 | 4a8b186a | Michael Hanselmann | |
1117 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1118 | 4a8b186a | Michael Hanselmann | def GetClusterName(self): |
1119 | 4a8b186a | Michael Hanselmann | """Get cluster name.
|
1120 | 4a8b186a | Michael Hanselmann |
|
1121 | 4a8b186a | Michael Hanselmann | @return: Cluster name
|
1122 | 4a8b186a | Michael Hanselmann |
|
1123 | 4a8b186a | Michael Hanselmann | """
|
1124 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.cluster_name |
1125 | 4a8b186a | Michael Hanselmann | |
1126 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1127 | 4a8b186a | Michael Hanselmann | def GetMasterNode(self): |
1128 | 1c3231aa | Thomas Thrainer | """Get the UUID of the master node for this cluster.
|
1129 | 4a8b186a | Michael Hanselmann |
|
1130 | 1c3231aa | Thomas Thrainer | @return: Master node UUID
|
1131 | 4a8b186a | Michael Hanselmann |
|
1132 | 4a8b186a | Michael Hanselmann | """
|
1133 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_node |
1134 | 4a8b186a | Michael Hanselmann | |
1135 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1136 | 1c3231aa | Thomas Thrainer | def GetMasterNodeName(self): |
1137 | 1c3231aa | Thomas Thrainer | """Get the hostname of the master node for this cluster.
|
1138 | 1c3231aa | Thomas Thrainer |
|
1139 | 1c3231aa | Thomas Thrainer | @return: Master node hostname
|
1140 | 1c3231aa | Thomas Thrainer |
|
1141 | 1c3231aa | Thomas Thrainer | """
|
1142 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeName(self._config_data.cluster.master_node) |
1143 | 1c3231aa | Thomas Thrainer | |
1144 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1145 | 4a8b186a | Michael Hanselmann | def GetMasterIP(self): |
1146 | 4a8b186a | Michael Hanselmann | """Get the IP of the master node for this cluster.
|
1147 | 4a8b186a | Michael Hanselmann |
|
1148 | 4a8b186a | Michael Hanselmann | @return: Master IP
|
1149 | 4a8b186a | Michael Hanselmann |
|
1150 | 4a8b186a | Michael Hanselmann | """
|
1151 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_ip |
1152 | 4a8b186a | Michael Hanselmann | |
1153 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1154 | 4a8b186a | Michael Hanselmann | def GetMasterNetdev(self): |
1155 | 4a8b186a | Michael Hanselmann | """Get the master network device for this cluster.
|
1156 | 4a8b186a | Michael Hanselmann |
|
1157 | 4a8b186a | Michael Hanselmann | """
|
1158 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_netdev |
1159 | 4a8b186a | Michael Hanselmann | |
1160 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1161 | 5a8648eb | Andrea Spadaccini | def GetMasterNetmask(self): |
1162 | 5a8648eb | Andrea Spadaccini | """Get the netmask of the master node for this cluster.
|
1163 | 5a8648eb | Andrea Spadaccini |
|
1164 | 5a8648eb | Andrea Spadaccini | """
|
1165 | 5a8648eb | Andrea Spadaccini | return self._config_data.cluster.master_netmask |
1166 | 5a8648eb | Andrea Spadaccini | |
1167 | 5a8648eb | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1168 | 33be7576 | Andrea Spadaccini | def GetUseExternalMipScript(self): |
1169 | 33be7576 | Andrea Spadaccini | """Get flag representing whether to use the external master IP setup script.
|
1170 | 33be7576 | Andrea Spadaccini |
|
1171 | 33be7576 | Andrea Spadaccini | """
|
1172 | 33be7576 | Andrea Spadaccini | return self._config_data.cluster.use_external_mip_script |
1173 | 33be7576 | Andrea Spadaccini | |
1174 | 33be7576 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1175 | 4a8b186a | Michael Hanselmann | def GetFileStorageDir(self): |
1176 | 4a8b186a | Michael Hanselmann | """Get the file storage dir for this cluster.
|
1177 | 4a8b186a | Michael Hanselmann |
|
1178 | 4a8b186a | Michael Hanselmann | """
|
1179 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.file_storage_dir |
1180 | 4a8b186a | Michael Hanselmann | |
1181 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1182 | 4b97f902 | Apollon Oikonomopoulos | def GetSharedFileStorageDir(self): |
1183 | 4b97f902 | Apollon Oikonomopoulos | """Get the shared file storage dir for this cluster.
|
1184 | 4b97f902 | Apollon Oikonomopoulos |
|
1185 | 4b97f902 | Apollon Oikonomopoulos | """
|
1186 | 4b97f902 | Apollon Oikonomopoulos | return self._config_data.cluster.shared_file_storage_dir |
1187 | 4b97f902 | Apollon Oikonomopoulos | |
1188 | 4b97f902 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1189 | 4a8b186a | Michael Hanselmann | def GetHypervisorType(self): |
1190 | 4a8b186a | Michael Hanselmann | """Get the hypervisor type for this cluster.
|
1191 | 4a8b186a | Michael Hanselmann |
|
1192 | 4a8b186a | Michael Hanselmann | """
|
1193 | 066f465d | Guido Trotter | return self._config_data.cluster.enabled_hypervisors[0] |
1194 | 4a8b186a | Michael Hanselmann | |
1195 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1196 | a8083063 | Iustin Pop | def GetHostKey(self): |
1197 | a8083063 | Iustin Pop | """Return the rsa hostkey from the config.
|
1198 | a8083063 | Iustin Pop |
|
1199 | c41eea6e | Iustin Pop | @rtype: string
|
1200 | c41eea6e | Iustin Pop | @return: the rsa hostkey
|
1201 | a8083063 | Iustin Pop |
|
1202 | a8083063 | Iustin Pop | """
|
1203 | a8083063 | Iustin Pop | return self._config_data.cluster.rsahostkeypub |
1204 | a8083063 | Iustin Pop | |
1205 | bf4af505 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1206 | bf4af505 | Apollon Oikonomopoulos | def GetDefaultIAllocator(self): |
1207 | bf4af505 | Apollon Oikonomopoulos | """Get the default instance allocator for this cluster.
|
1208 | bf4af505 | Apollon Oikonomopoulos |
|
1209 | bf4af505 | Apollon Oikonomopoulos | """
|
1210 | bf4af505 | Apollon Oikonomopoulos | return self._config_data.cluster.default_iallocator |
1211 | bf4af505 | Apollon Oikonomopoulos | |
1212 | 868a98ca | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
1213 | 868a98ca | Manuel Franceschini | def GetPrimaryIPFamily(self): |
1214 | 868a98ca | Manuel Franceschini | """Get cluster primary ip family.
|
1215 | 868a98ca | Manuel Franceschini |
|
1216 | 868a98ca | Manuel Franceschini | @return: primary ip family
|
1217 | 868a98ca | Manuel Franceschini |
|
1218 | 868a98ca | Manuel Franceschini | """
|
1219 | 868a98ca | Manuel Franceschini | return self._config_data.cluster.primary_ip_family |
1220 | 868a98ca | Manuel Franceschini | |
1221 | c9f4b8e6 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1222 | c9f4b8e6 | Andrea Spadaccini | def GetMasterNetworkParameters(self): |
1223 | c9f4b8e6 | Andrea Spadaccini | """Get network parameters of the master node.
|
1224 | c9f4b8e6 | Andrea Spadaccini |
|
1225 | f9d20654 | Andrea Spadaccini | @rtype: L{object.MasterNetworkParameters}
|
1226 | f9d20654 | Andrea Spadaccini | @return: network parameters of the master node
|
1227 | c9f4b8e6 | Andrea Spadaccini |
|
1228 | c9f4b8e6 | Andrea Spadaccini | """
|
1229 | c9f4b8e6 | Andrea Spadaccini | cluster = self._config_data.cluster
|
1230 | 5ae4945a | Iustin Pop | result = objects.MasterNetworkParameters( |
1231 | 1c3231aa | Thomas Thrainer | uuid=cluster.master_node, ip=cluster.master_ip, |
1232 | 5ae4945a | Iustin Pop | netmask=cluster.master_netmask, netdev=cluster.master_netdev, |
1233 | c79198a0 | Andrea Spadaccini | ip_family=cluster.primary_ip_family) |
1234 | c9f4b8e6 | Andrea Spadaccini | |
1235 | f9d20654 | Andrea Spadaccini | return result
|
1236 | f9d20654 | Andrea Spadaccini | |
1237 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1238 | e11a1b77 | Adeodato Simo | def AddNodeGroup(self, group, ec_id, check_uuid=True): |
1239 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1240 | e11a1b77 | Adeodato Simo |
|
1241 | 90e99856 | Adeodato Simo | This method calls group.UpgradeConfig() to fill any missing attributes
|
1242 | 90e99856 | Adeodato Simo | according to their default values.
|
1243 | 90e99856 | Adeodato Simo |
|
1244 | e11a1b77 | Adeodato Simo | @type group: L{objects.NodeGroup}
|
1245 | e11a1b77 | Adeodato Simo | @param group: the NodeGroup object to add
|
1246 | e11a1b77 | Adeodato Simo | @type ec_id: string
|
1247 | e11a1b77 | Adeodato Simo | @param ec_id: unique id for the job to use when creating a missing UUID
|
1248 | e11a1b77 | Adeodato Simo | @type check_uuid: bool
|
1249 | e11a1b77 | Adeodato Simo | @param check_uuid: add an UUID to the group if it doesn't have one or, if
|
1250 | e11a1b77 | Adeodato Simo | it does, ensure that it does not exist in the
|
1251 | e11a1b77 | Adeodato Simo | configuration already
|
1252 | e11a1b77 | Adeodato Simo |
|
1253 | e11a1b77 | Adeodato Simo | """
|
1254 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(group, ec_id, check_uuid)
|
1255 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1256 | e11a1b77 | Adeodato Simo | |
1257 | e11a1b77 | Adeodato Simo | def _UnlockedAddNodeGroup(self, group, ec_id, check_uuid): |
1258 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1259 | e11a1b77 | Adeodato Simo |
|
1260 | e11a1b77 | Adeodato Simo | """
|
1261 | e11a1b77 | Adeodato Simo | logging.info("Adding node group %s to configuration", group.name)
|
1262 | e11a1b77 | Adeodato Simo | |
1263 | e11a1b77 | Adeodato Simo | # Some code might need to add a node group with a pre-populated UUID
|
1264 | e11a1b77 | Adeodato Simo | # generated with ConfigWriter.GenerateUniqueID(). We allow them to bypass
|
1265 | e11a1b77 | Adeodato Simo | # the "does this UUID" exist already check.
|
1266 | e11a1b77 | Adeodato Simo | if check_uuid:
|
1267 | e11a1b77 | Adeodato Simo | self._EnsureUUID(group, ec_id)
|
1268 | e11a1b77 | Adeodato Simo | |
1269 | 18ffc0fe | Stephen Shirley | try:
|
1270 | 18ffc0fe | Stephen Shirley | existing_uuid = self._UnlockedLookupNodeGroup(group.name)
|
1271 | 18ffc0fe | Stephen Shirley | except errors.OpPrereqError:
|
1272 | 18ffc0fe | Stephen Shirley | pass
|
1273 | 18ffc0fe | Stephen Shirley | else:
|
1274 | 18ffc0fe | Stephen Shirley | raise errors.OpPrereqError("Desired group name '%s' already exists as a" |
1275 | 18ffc0fe | Stephen Shirley | " node group (UUID: %s)" %
|
1276 | 18ffc0fe | Stephen Shirley | (group.name, existing_uuid), |
1277 | 18ffc0fe | Stephen Shirley | errors.ECODE_EXISTS) |
1278 | 18ffc0fe | Stephen Shirley | |
1279 | e11a1b77 | Adeodato Simo | group.serial_no = 1
|
1280 | e11a1b77 | Adeodato Simo | group.ctime = group.mtime = time.time() |
1281 | 90e99856 | Adeodato Simo | group.UpgradeConfig() |
1282 | e11a1b77 | Adeodato Simo | |
1283 | e11a1b77 | Adeodato Simo | self._config_data.nodegroups[group.uuid] = group
|
1284 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1285 | e11a1b77 | Adeodato Simo | |
1286 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1287 | e11a1b77 | Adeodato Simo | def RemoveNodeGroup(self, group_uuid): |
1288 | e11a1b77 | Adeodato Simo | """Remove a node group from the configuration.
|
1289 | e11a1b77 | Adeodato Simo |
|
1290 | e11a1b77 | Adeodato Simo | @type group_uuid: string
|
1291 | e11a1b77 | Adeodato Simo | @param group_uuid: the UUID of the node group to remove
|
1292 | e11a1b77 | Adeodato Simo |
|
1293 | e11a1b77 | Adeodato Simo | """
|
1294 | e11a1b77 | Adeodato Simo | logging.info("Removing node group %s from configuration", group_uuid)
|
1295 | e11a1b77 | Adeodato Simo | |
1296 | e11a1b77 | Adeodato Simo | if group_uuid not in self._config_data.nodegroups: |
1297 | e11a1b77 | Adeodato Simo | raise errors.ConfigurationError("Unknown node group '%s'" % group_uuid) |
1298 | e11a1b77 | Adeodato Simo | |
1299 | 0389c42a | Stephen Shirley | assert len(self._config_data.nodegroups) != 1, \ |
1300 | 0389c42a | Stephen Shirley | "Group '%s' is the only group, cannot be removed" % group_uuid
|
1301 | 0389c42a | Stephen Shirley | |
1302 | e11a1b77 | Adeodato Simo | del self._config_data.nodegroups[group_uuid] |
1303 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1304 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1305 | e11a1b77 | Adeodato Simo | |
1306 | e85d8982 | Stephen Shirley | def _UnlockedLookupNodeGroup(self, target): |
1307 | 412b3531 | Guido Trotter | """Lookup a node group's UUID.
|
1308 | eaa98a04 | Guido Trotter |
|
1309 | eaa98a04 | Guido Trotter | @type target: string or None
|
1310 | 412b3531 | Guido Trotter | @param target: group name or UUID or None to look for the default
|
1311 | eaa98a04 | Guido Trotter | @rtype: string
|
1312 | 412b3531 | Guido Trotter | @return: nodegroup UUID
|
1313 | eaa98a04 | Guido Trotter | @raises errors.OpPrereqError: when the target group cannot be found
|
1314 | eaa98a04 | Guido Trotter |
|
1315 | eaa98a04 | Guido Trotter | """
|
1316 | eaa98a04 | Guido Trotter | if target is None: |
1317 | eaa98a04 | Guido Trotter | if len(self._config_data.nodegroups) != 1: |
1318 | 913cc25e | Adeodato Simo | raise errors.OpPrereqError("More than one node group exists. Target" |
1319 | 2ed0e208 | Iustin Pop | " group must be specified explicitly.")
|
1320 | eaa98a04 | Guido Trotter | else:
|
1321 | eaa98a04 | Guido Trotter | return self._config_data.nodegroups.keys()[0] |
1322 | eaa98a04 | Guido Trotter | if target in self._config_data.nodegroups: |
1323 | eaa98a04 | Guido Trotter | return target
|
1324 | eaa98a04 | Guido Trotter | for nodegroup in self._config_data.nodegroups.values(): |
1325 | eaa98a04 | Guido Trotter | if nodegroup.name == target:
|
1326 | eaa98a04 | Guido Trotter | return nodegroup.uuid
|
1327 | e0f9ed64 | Adeodato Simo | raise errors.OpPrereqError("Node group '%s' not found" % target, |
1328 | e0f9ed64 | Adeodato Simo | errors.ECODE_NOENT) |
1329 | eaa98a04 | Guido Trotter | |
1330 | e85d8982 | Stephen Shirley | @locking.ssynchronized(_config_lock, shared=1) |
1331 | e85d8982 | Stephen Shirley | def LookupNodeGroup(self, target): |
1332 | e85d8982 | Stephen Shirley | """Lookup a node group's UUID.
|
1333 | e85d8982 | Stephen Shirley |
|
1334 | e85d8982 | Stephen Shirley | This function is just a wrapper over L{_UnlockedLookupNodeGroup}.
|
1335 | e85d8982 | Stephen Shirley |
|
1336 | e85d8982 | Stephen Shirley | @type target: string or None
|
1337 | e85d8982 | Stephen Shirley | @param target: group name or UUID or None to look for the default
|
1338 | e85d8982 | Stephen Shirley | @rtype: string
|
1339 | e85d8982 | Stephen Shirley | @return: nodegroup UUID
|
1340 | e85d8982 | Stephen Shirley |
|
1341 | e85d8982 | Stephen Shirley | """
|
1342 | e85d8982 | Stephen Shirley | return self._UnlockedLookupNodeGroup(target) |
1343 | e85d8982 | Stephen Shirley | |
1344 | 5768e6a6 | René Nussbaumer | def _UnlockedGetNodeGroup(self, uuid): |
1345 | 648e4196 | Guido Trotter | """Lookup a node group.
|
1346 | 648e4196 | Guido Trotter |
|
1347 | 648e4196 | Guido Trotter | @type uuid: string
|
1348 | 648e4196 | Guido Trotter | @param uuid: group UUID
|
1349 | 648e4196 | Guido Trotter | @rtype: L{objects.NodeGroup} or None
|
1350 | 648e4196 | Guido Trotter | @return: nodegroup object, or None if not found
|
1351 | 648e4196 | Guido Trotter |
|
1352 | 648e4196 | Guido Trotter | """
|
1353 | 648e4196 | Guido Trotter | if uuid not in self._config_data.nodegroups: |
1354 | 648e4196 | Guido Trotter | return None |
1355 | 648e4196 | Guido Trotter | |
1356 | 648e4196 | Guido Trotter | return self._config_data.nodegroups[uuid] |
1357 | 648e4196 | Guido Trotter | |
1358 | 648e4196 | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1359 | 5768e6a6 | René Nussbaumer | def GetNodeGroup(self, uuid): |
1360 | 5768e6a6 | René Nussbaumer | """Lookup a node group.
|
1361 | 5768e6a6 | René Nussbaumer |
|
1362 | 5768e6a6 | René Nussbaumer | @type uuid: string
|
1363 | 5768e6a6 | René Nussbaumer | @param uuid: group UUID
|
1364 | 5768e6a6 | René Nussbaumer | @rtype: L{objects.NodeGroup} or None
|
1365 | 5768e6a6 | René Nussbaumer | @return: nodegroup object, or None if not found
|
1366 | 5768e6a6 | René Nussbaumer |
|
1367 | 5768e6a6 | René Nussbaumer | """
|
1368 | 5768e6a6 | René Nussbaumer | return self._UnlockedGetNodeGroup(uuid) |
1369 | 5768e6a6 | René Nussbaumer | |
1370 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
1371 | 622444e5 | Iustin Pop | def GetAllNodeGroupsInfo(self): |
1372 | 622444e5 | Iustin Pop | """Get the configuration of all node groups.
|
1373 | 622444e5 | Iustin Pop |
|
1374 | 622444e5 | Iustin Pop | """
|
1375 | 622444e5 | Iustin Pop | return dict(self._config_data.nodegroups) |
1376 | 622444e5 | Iustin Pop | |
1377 | 1ac6f2ad | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1378 | 1ac6f2ad | Guido Trotter | def GetNodeGroupList(self): |
1379 | 1ac6f2ad | Guido Trotter | """Get a list of node groups.
|
1380 | 1ac6f2ad | Guido Trotter |
|
1381 | 1ac6f2ad | Guido Trotter | """
|
1382 | 1ac6f2ad | Guido Trotter | return self._config_data.nodegroups.keys() |
1383 | 1ac6f2ad | Guido Trotter | |
1384 | dac81741 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1385 | dac81741 | Michael Hanselmann | def GetNodeGroupMembersByNodes(self, nodes): |
1386 | dac81741 | Michael Hanselmann | """Get nodes which are member in the same nodegroups as the given nodes.
|
1387 | dac81741 | Michael Hanselmann |
|
1388 | dac81741 | Michael Hanselmann | """
|
1389 | 1c3231aa | Thomas Thrainer | ngfn = lambda node_uuid: self._UnlockedGetNodeInfo(node_uuid).group |
1390 | 1c3231aa | Thomas Thrainer | return frozenset(member_uuid |
1391 | 1c3231aa | Thomas Thrainer | for node_uuid in nodes |
1392 | 1c3231aa | Thomas Thrainer | for member_uuid in |
1393 | 1c3231aa | Thomas Thrainer | self._UnlockedGetNodeGroup(ngfn(node_uuid)).members)
|
1394 | dac81741 | Michael Hanselmann | |
1395 | 080fbeea | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1396 | 080fbeea | Michael Hanselmann | def GetMultiNodeGroupInfo(self, group_uuids): |
1397 | 080fbeea | Michael Hanselmann | """Get the configuration of multiple node groups.
|
1398 | 080fbeea | Michael Hanselmann |
|
1399 | 080fbeea | Michael Hanselmann | @param group_uuids: List of node group UUIDs
|
1400 | 080fbeea | Michael Hanselmann | @rtype: list
|
1401 | 080fbeea | Michael Hanselmann | @return: List of tuples of (group_uuid, group_info)
|
1402 | 080fbeea | Michael Hanselmann |
|
1403 | 080fbeea | Michael Hanselmann | """
|
1404 | 080fbeea | Michael Hanselmann | return [(uuid, self._UnlockedGetNodeGroup(uuid)) for uuid in group_uuids] |
1405 | 080fbeea | Michael Hanselmann | |
1406 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1407 | 0debfb35 | Guido Trotter | def AddInstance(self, instance, ec_id): |
1408 | a8083063 | Iustin Pop | """Add an instance to the config.
|
1409 | a8083063 | Iustin Pop |
|
1410 | a8083063 | Iustin Pop | This should be used after creating a new instance.
|
1411 | a8083063 | Iustin Pop |
|
1412 | c41eea6e | Iustin Pop | @type instance: L{objects.Instance}
|
1413 | c41eea6e | Iustin Pop | @param instance: the instance object
|
1414 | c41eea6e | Iustin Pop |
|
1415 | a8083063 | Iustin Pop | """
|
1416 | a8083063 | Iustin Pop | if not isinstance(instance, objects.Instance): |
1417 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed to AddInstance") |
1418 | a8083063 | Iustin Pop | |
1419 | e00fb268 | Iustin Pop | if instance.disk_template != constants.DT_DISKLESS:
|
1420 | e00fb268 | Iustin Pop | all_lvs = instance.MapLVsByNode() |
1421 | 74a48621 | Iustin Pop | logging.info("Instance '%s' DISK_LAYOUT: %s", instance.name, all_lvs)
|
1422 | 923b1523 | Iustin Pop | |
1423 | e4640214 | Guido Trotter | all_macs = self._AllMACs()
|
1424 | e4640214 | Guido Trotter | for nic in instance.nics: |
1425 | e4640214 | Guido Trotter | if nic.mac in all_macs: |
1426 | e4640214 | Guido Trotter | raise errors.ConfigurationError("Cannot add instance %s:" |
1427 | 430b923c | Iustin Pop | " MAC address '%s' already in use." %
|
1428 | 430b923c | Iustin Pop | (instance.name, nic.mac)) |
1429 | 430b923c | Iustin Pop | |
1430 | da4a52a3 | Thomas Thrainer | self._CheckUniqueUUID(instance, include_temporary=False) |
1431 | e4640214 | Guido Trotter | |
1432 | b989e85d | Iustin Pop | instance.serial_no = 1
|
1433 | d693c864 | Iustin Pop | instance.ctime = instance.mtime = time.time() |
1434 | da4a52a3 | Thomas Thrainer | self._config_data.instances[instance.uuid] = instance
|
1435 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1436 | da4a52a3 | Thomas Thrainer | self._UnlockedReleaseDRBDMinors(instance.uuid)
|
1437 | e8e079f3 | Dimitris Aragiorgis | self._UnlockedCommitTemporaryIps(ec_id)
|
1438 | a8083063 | Iustin Pop | self._WriteConfig()
|
1439 | a8083063 | Iustin Pop | |
1440 | 0debfb35 | Guido Trotter | def _EnsureUUID(self, item, ec_id): |
1441 | 430b923c | Iustin Pop | """Ensures a given object has a valid UUID.
|
1442 | 430b923c | Iustin Pop |
|
1443 | 430b923c | Iustin Pop | @param item: the instance or node to be checked
|
1444 | 0debfb35 | Guido Trotter | @param ec_id: the execution context id for the uuid reservation
|
1445 | 430b923c | Iustin Pop |
|
1446 | 430b923c | Iustin Pop | """
|
1447 | 430b923c | Iustin Pop | if not item.uuid: |
1448 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(ec_id)
|
1449 | da4a52a3 | Thomas Thrainer | else:
|
1450 | da4a52a3 | Thomas Thrainer | self._CheckUniqueUUID(item, include_temporary=True) |
1451 | da4a52a3 | Thomas Thrainer | |
1452 | da4a52a3 | Thomas Thrainer | def _CheckUniqueUUID(self, item, include_temporary): |
1453 | da4a52a3 | Thomas Thrainer | """Checks that the UUID of the given object is unique.
|
1454 | da4a52a3 | Thomas Thrainer |
|
1455 | da4a52a3 | Thomas Thrainer | @param item: the instance or node to be checked
|
1456 | da4a52a3 | Thomas Thrainer | @param include_temporary: whether temporarily generated UUID's should be
|
1457 | da4a52a3 | Thomas Thrainer | included in the check. If the UUID of the item to be checked is
|
1458 | da4a52a3 | Thomas Thrainer | a temporarily generated one, this has to be C{False}.
|
1459 | da4a52a3 | Thomas Thrainer |
|
1460 | da4a52a3 | Thomas Thrainer | """
|
1461 | da4a52a3 | Thomas Thrainer | if not item.uuid: |
1462 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("'%s' must have an UUID" % (item.name,)) |
1463 | da4a52a3 | Thomas Thrainer | if item.uuid in self._AllIDs(include_temporary=include_temporary): |
1464 | be0fc05d | Iustin Pop | raise errors.ConfigurationError("Cannot add '%s': UUID %s already" |
1465 | be0fc05d | Iustin Pop | " in use" % (item.name, item.uuid))
|
1466 | 430b923c | Iustin Pop | |
1467 | da4a52a3 | Thomas Thrainer | def _SetInstanceStatus(self, inst_uuid, status, disks_active): |
1468 | 6a408fb2 | Iustin Pop | """Set the instance's status to a given value.
|
1469 | a8083063 | Iustin Pop |
|
1470 | a8083063 | Iustin Pop | """
|
1471 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1472 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % |
1473 | da4a52a3 | Thomas Thrainer | inst_uuid) |
1474 | da4a52a3 | Thomas Thrainer | instance = self._config_data.instances[inst_uuid]
|
1475 | 1d4a4b26 | Thomas Thrainer | |
1476 | 1d4a4b26 | Thomas Thrainer | if status is None: |
1477 | 1d4a4b26 | Thomas Thrainer | status = instance.admin_state |
1478 | 1d4a4b26 | Thomas Thrainer | if disks_active is None: |
1479 | 1d4a4b26 | Thomas Thrainer | disks_active = instance.disks_active |
1480 | 1d4a4b26 | Thomas Thrainer | |
1481 | 1d4a4b26 | Thomas Thrainer | assert status in constants.ADMINST_ALL, \ |
1482 | 1d4a4b26 | Thomas Thrainer | "Invalid status '%s' passed to SetInstanceStatus" % (status,)
|
1483 | 1d4a4b26 | Thomas Thrainer | |
1484 | 1d4a4b26 | Thomas Thrainer | if instance.admin_state != status or \ |
1485 | 1d4a4b26 | Thomas Thrainer | instance.disks_active != disks_active: |
1486 | 9ca8a7c5 | Agata Murawska | instance.admin_state = status |
1487 | 1d4a4b26 | Thomas Thrainer | instance.disks_active = disks_active |
1488 | b989e85d | Iustin Pop | instance.serial_no += 1
|
1489 | d693c864 | Iustin Pop | instance.mtime = time.time() |
1490 | 455a3445 | Iustin Pop | self._WriteConfig()
|
1491 | a8083063 | Iustin Pop | |
1492 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1493 | da4a52a3 | Thomas Thrainer | def MarkInstanceUp(self, inst_uuid): |
1494 | 6a408fb2 | Iustin Pop | """Mark the instance status to up in the config.
|
1495 | 6a408fb2 | Iustin Pop |
|
1496 | 1d4a4b26 | Thomas Thrainer | This also sets the instance disks active flag.
|
1497 | 1d4a4b26 | Thomas Thrainer |
|
1498 | 6a408fb2 | Iustin Pop | """
|
1499 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, constants.ADMINST_UP, True) |
1500 | 57de31c0 | Agata Murawska | |
1501 | 57de31c0 | Agata Murawska | @locking.ssynchronized(_config_lock)
|
1502 | da4a52a3 | Thomas Thrainer | def MarkInstanceOffline(self, inst_uuid): |
1503 | 57de31c0 | Agata Murawska | """Mark the instance status to down in the config.
|
1504 | 57de31c0 | Agata Murawska |
|
1505 | 1d4a4b26 | Thomas Thrainer | This also clears the instance disks active flag.
|
1506 | 1d4a4b26 | Thomas Thrainer |
|
1507 | 57de31c0 | Agata Murawska | """
|
1508 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, constants.ADMINST_OFFLINE, False) |
1509 | 6a408fb2 | Iustin Pop | |
1510 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1511 | da4a52a3 | Thomas Thrainer | def RemoveInstance(self, inst_uuid): |
1512 | a8083063 | Iustin Pop | """Remove the instance from the configuration.
|
1513 | a8083063 | Iustin Pop |
|
1514 | a8083063 | Iustin Pop | """
|
1515 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1516 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1517 | f396ad8c | Vangelis Koukis | |
1518 | f396ad8c | Vangelis Koukis | # If a network port has been allocated to the instance,
|
1519 | f396ad8c | Vangelis Koukis | # return it to the pool of free ports.
|
1520 | da4a52a3 | Thomas Thrainer | inst = self._config_data.instances[inst_uuid]
|
1521 | f396ad8c | Vangelis Koukis | network_port = getattr(inst, "network_port", None) |
1522 | f396ad8c | Vangelis Koukis | if network_port is not None: |
1523 | f396ad8c | Vangelis Koukis | self._config_data.cluster.tcpudp_port_pool.add(network_port)
|
1524 | f396ad8c | Vangelis Koukis | |
1525 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfo(inst_uuid)
|
1526 | ced51149 | Dimitris Aragiorgis | |
1527 | ced51149 | Dimitris Aragiorgis | for nic in instance.nics: |
1528 | 9394f4d1 | Dimitris Aragiorgis | if nic.network and nic.ip: |
1529 | 1b68f268 | Helga Velroyen | # Return all IP addresses to the respective address pools
|
1530 | 9394f4d1 | Dimitris Aragiorgis | self._UnlockedCommitIp(constants.RELEASE_ACTION, nic.network, nic.ip)
|
1531 | ced51149 | Dimitris Aragiorgis | |
1532 | da4a52a3 | Thomas Thrainer | del self._config_data.instances[inst_uuid] |
1533 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1534 | a8083063 | Iustin Pop | self._WriteConfig()
|
1535 | a8083063 | Iustin Pop | |
1536 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1537 | da4a52a3 | Thomas Thrainer | def RenameInstance(self, inst_uuid, new_name): |
1538 | fc95f88f | Iustin Pop | """Rename an instance.
|
1539 | fc95f88f | Iustin Pop |
|
1540 | fc95f88f | Iustin Pop | This needs to be done in ConfigWriter and not by RemoveInstance
|
1541 | fc95f88f | Iustin Pop | combined with AddInstance as only we can guarantee an atomic
|
1542 | fc95f88f | Iustin Pop | rename.
|
1543 | fc95f88f | Iustin Pop |
|
1544 | fc95f88f | Iustin Pop | """
|
1545 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1546 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1547 | ea642319 | Michael Hanselmann | |
1548 | da4a52a3 | Thomas Thrainer | inst = self._config_data.instances[inst_uuid]
|
1549 | fc95f88f | Iustin Pop | inst.name = new_name |
1550 | b23c4333 | Manuel Franceschini | |
1551 | ea642319 | Michael Hanselmann | for (idx, disk) in enumerate(inst.disks): |
1552 | b23c4333 | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
1553 | b23c4333 | Manuel Franceschini | # rename the file paths in logical and physical id
|
1554 | b23c4333 | Manuel Franceschini | file_storage_dir = os.path.dirname(os.path.dirname(disk.logical_id[1]))
|
1555 | ea642319 | Michael Hanselmann | disk.logical_id = (disk.logical_id[0],
|
1556 | ea642319 | Michael Hanselmann | utils.PathJoin(file_storage_dir, inst.name, |
1557 | ea642319 | Michael Hanselmann | "disk%s" % idx))
|
1558 | ea642319 | Michael Hanselmann | disk.physical_id = disk.logical_id |
1559 | ea642319 | Michael Hanselmann | |
1560 | 1fc34c48 | Michael Hanselmann | # Force update of ssconf files
|
1561 | 1fc34c48 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1562 | 1fc34c48 | Michael Hanselmann | |
1563 | fc95f88f | Iustin Pop | self._WriteConfig()
|
1564 | fc95f88f | Iustin Pop | |
1565 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1566 | da4a52a3 | Thomas Thrainer | def MarkInstanceDown(self, inst_uuid): |
1567 | a8083063 | Iustin Pop | """Mark the status of an instance to down in the configuration.
|
1568 | a8083063 | Iustin Pop |
|
1569 | 1d4a4b26 | Thomas Thrainer | This does not touch the instance disks active flag, as shut down instances
|
1570 | 1d4a4b26 | Thomas Thrainer | can still have active disks.
|
1571 | 1d4a4b26 | Thomas Thrainer |
|
1572 | 1d4a4b26 | Thomas Thrainer | """
|
1573 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, constants.ADMINST_DOWN, None) |
1574 | 1d4a4b26 | Thomas Thrainer | |
1575 | 1d4a4b26 | Thomas Thrainer | @locking.ssynchronized(_config_lock)
|
1576 | da4a52a3 | Thomas Thrainer | def MarkInstanceDisksActive(self, inst_uuid): |
1577 | 1d4a4b26 | Thomas Thrainer | """Mark the status of instance disks active.
|
1578 | 1d4a4b26 | Thomas Thrainer |
|
1579 | 1d4a4b26 | Thomas Thrainer | """
|
1580 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, None, True) |
1581 | 1d4a4b26 | Thomas Thrainer | |
1582 | 1d4a4b26 | Thomas Thrainer | @locking.ssynchronized(_config_lock)
|
1583 | da4a52a3 | Thomas Thrainer | def MarkInstanceDisksInactive(self, inst_uuid): |
1584 | 1d4a4b26 | Thomas Thrainer | """Mark the status of instance disks inactive.
|
1585 | 1d4a4b26 | Thomas Thrainer |
|
1586 | a8083063 | Iustin Pop | """
|
1587 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, None, False) |
1588 | a8083063 | Iustin Pop | |
1589 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceList(self): |
1590 | 94bbfece | Iustin Pop | """Get the list of instances.
|
1591 | 94bbfece | Iustin Pop |
|
1592 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1593 | 94bbfece | Iustin Pop |
|
1594 | 94bbfece | Iustin Pop | """
|
1595 | 94bbfece | Iustin Pop | return self._config_data.instances.keys() |
1596 | 94bbfece | Iustin Pop | |
1597 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1598 | a8083063 | Iustin Pop | def GetInstanceList(self): |
1599 | a8083063 | Iustin Pop | """Get the list of instances.
|
1600 | a8083063 | Iustin Pop |
|
1601 | da4a52a3 | Thomas Thrainer | @return: array of instances, ex. ['instance2-uuid', 'instance1-uuid']
|
1602 | a8083063 | Iustin Pop |
|
1603 | a8083063 | Iustin Pop | """
|
1604 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceList() |
1605 | a8083063 | Iustin Pop | |
1606 | a8083063 | Iustin Pop | def ExpandInstanceName(self, short_name): |
1607 | a8083063 | Iustin Pop | """Attempt to expand an incomplete instance name.
|
1608 | a8083063 | Iustin Pop |
|
1609 | a8083063 | Iustin Pop | """
|
1610 | da4a52a3 | Thomas Thrainer | # Locking is done in L{ConfigWriter.GetAllInstancesInfo}
|
1611 | da4a52a3 | Thomas Thrainer | all_insts = self.GetAllInstancesInfo().values()
|
1612 | da4a52a3 | Thomas Thrainer | expanded_name = _MatchNameComponentIgnoreCase( |
1613 | da4a52a3 | Thomas Thrainer | short_name, [inst.name for inst in all_insts]) |
1614 | da4a52a3 | Thomas Thrainer | |
1615 | da4a52a3 | Thomas Thrainer | if expanded_name is not None: |
1616 | da4a52a3 | Thomas Thrainer | # there has to be exactly one instance with that name
|
1617 | da4a52a3 | Thomas Thrainer | inst = (filter(lambda n: n.name == expanded_name, all_insts)[0]) |
1618 | da4a52a3 | Thomas Thrainer | return (inst.uuid, inst.name)
|
1619 | da4a52a3 | Thomas Thrainer | else:
|
1620 | da4a52a3 | Thomas Thrainer | return None |
1621 | a8083063 | Iustin Pop | |
1622 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceInfo(self, inst_uuid): |
1623 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1624 | 94bbfece | Iustin Pop |
|
1625 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1626 | 94bbfece | Iustin Pop |
|
1627 | 94bbfece | Iustin Pop | """
|
1628 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1629 | 94bbfece | Iustin Pop | return None |
1630 | 94bbfece | Iustin Pop | |
1631 | da4a52a3 | Thomas Thrainer | return self._config_data.instances[inst_uuid] |
1632 | 94bbfece | Iustin Pop | |
1633 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1634 | da4a52a3 | Thomas Thrainer | def GetInstanceInfo(self, inst_uuid): |
1635 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1636 | a8083063 | Iustin Pop |
|
1637 | 5bbd3f7f | Michael Hanselmann | It takes the information from the configuration file. Other information of
|
1638 | a8083063 | Iustin Pop | an instance are taken from the live systems.
|
1639 | a8083063 | Iustin Pop |
|
1640 | da4a52a3 | Thomas Thrainer | @param inst_uuid: UUID of the instance
|
1641 | a8083063 | Iustin Pop |
|
1642 | c41eea6e | Iustin Pop | @rtype: L{objects.Instance}
|
1643 | c41eea6e | Iustin Pop | @return: the instance object
|
1644 | a8083063 | Iustin Pop |
|
1645 | a8083063 | Iustin Pop | """
|
1646 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceInfo(inst_uuid) |
1647 | a8083063 | Iustin Pop | |
1648 | 0b2de758 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1649 | da4a52a3 | Thomas Thrainer | def GetInstanceNodeGroups(self, inst_uuid, primary_only=False): |
1650 | 2674690b | Michael Hanselmann | """Returns set of node group UUIDs for instance's nodes.
|
1651 | 2674690b | Michael Hanselmann |
|
1652 | 2674690b | Michael Hanselmann | @rtype: frozenset
|
1653 | 2674690b | Michael Hanselmann |
|
1654 | 2674690b | Michael Hanselmann | """
|
1655 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfo(inst_uuid)
|
1656 | 2674690b | Michael Hanselmann | if not instance: |
1657 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1658 | 2674690b | Michael Hanselmann | |
1659 | 2674690b | Michael Hanselmann | if primary_only:
|
1660 | 2674690b | Michael Hanselmann | nodes = [instance.primary_node] |
1661 | 2674690b | Michael Hanselmann | else:
|
1662 | 2674690b | Michael Hanselmann | nodes = instance.all_nodes |
1663 | 2674690b | Michael Hanselmann | |
1664 | 1c3231aa | Thomas Thrainer | return frozenset(self._UnlockedGetNodeInfo(node_uuid).group |
1665 | 1c3231aa | Thomas Thrainer | for node_uuid in nodes) |
1666 | 2674690b | Michael Hanselmann | |
1667 | 2674690b | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1668 | da4a52a3 | Thomas Thrainer | def GetInstanceNetworks(self, inst_uuid): |
1669 | 922610c9 | Dimitris Aragiorgis | """Returns set of network UUIDs for instance's nics.
|
1670 | 922610c9 | Dimitris Aragiorgis |
|
1671 | 922610c9 | Dimitris Aragiorgis | @rtype: frozenset
|
1672 | 922610c9 | Dimitris Aragiorgis |
|
1673 | 922610c9 | Dimitris Aragiorgis | """
|
1674 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfo(inst_uuid)
|
1675 | 922610c9 | Dimitris Aragiorgis | if not instance: |
1676 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1677 | 922610c9 | Dimitris Aragiorgis | |
1678 | 922610c9 | Dimitris Aragiorgis | networks = set()
|
1679 | 922610c9 | Dimitris Aragiorgis | for nic in instance.nics: |
1680 | 922610c9 | Dimitris Aragiorgis | if nic.network:
|
1681 | 922610c9 | Dimitris Aragiorgis | networks.add(nic.network) |
1682 | 922610c9 | Dimitris Aragiorgis | |
1683 | 922610c9 | Dimitris Aragiorgis | return frozenset(networks) |
1684 | 922610c9 | Dimitris Aragiorgis | |
1685 | 922610c9 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
1686 | da4a52a3 | Thomas Thrainer | def GetMultiInstanceInfo(self, inst_uuids): |
1687 | da4a52a3 | Thomas Thrainer | """Get the configuration of multiple instances.
|
1688 | da4a52a3 | Thomas Thrainer |
|
1689 | da4a52a3 | Thomas Thrainer | @param inst_uuids: list of instance UUIDs
|
1690 | da4a52a3 | Thomas Thrainer | @rtype: list
|
1691 | da4a52a3 | Thomas Thrainer | @return: list of tuples (instance UUID, instance_info), where
|
1692 | da4a52a3 | Thomas Thrainer | instance_info is what would GetInstanceInfo return for the
|
1693 | da4a52a3 | Thomas Thrainer | node, while keeping the original order
|
1694 | da4a52a3 | Thomas Thrainer |
|
1695 | da4a52a3 | Thomas Thrainer | """
|
1696 | da4a52a3 | Thomas Thrainer | return [(uuid, self._UnlockedGetInstanceInfo(uuid)) for uuid in inst_uuids] |
1697 | da4a52a3 | Thomas Thrainer | |
1698 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1699 | da4a52a3 | Thomas Thrainer | def GetMultiInstanceInfoByName(self, inst_names): |
1700 | 71333cb9 | Iustin Pop | """Get the configuration of multiple instances.
|
1701 | 71333cb9 | Iustin Pop |
|
1702 | da4a52a3 | Thomas Thrainer | @param inst_names: list of instance names
|
1703 | 71333cb9 | Iustin Pop | @rtype: list
|
1704 | 71333cb9 | Iustin Pop | @return: list of tuples (instance, instance_info), where
|
1705 | 71333cb9 | Iustin Pop | instance_info is what would GetInstanceInfo return for the
|
1706 | 71333cb9 | Iustin Pop | node, while keeping the original order
|
1707 | 71333cb9 | Iustin Pop |
|
1708 | 71333cb9 | Iustin Pop | """
|
1709 | da4a52a3 | Thomas Thrainer | result = [] |
1710 | da4a52a3 | Thomas Thrainer | for name in inst_names: |
1711 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfoByName(name)
|
1712 | da4a52a3 | Thomas Thrainer | result.append((instance.uuid, instance)) |
1713 | da4a52a3 | Thomas Thrainer | return result
|
1714 | 71333cb9 | Iustin Pop | |
1715 | 71333cb9 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1716 | 0b2de758 | Iustin Pop | def GetAllInstancesInfo(self): |
1717 | 0b2de758 | Iustin Pop | """Get the configuration of all instances.
|
1718 | 0b2de758 | Iustin Pop |
|
1719 | 0b2de758 | Iustin Pop | @rtype: dict
|
1720 | 5fcc718f | Iustin Pop | @return: dict of (instance, instance_info), where instance_info is what
|
1721 | 0b2de758 | Iustin Pop | would GetInstanceInfo return for the node
|
1722 | 0b2de758 | Iustin Pop |
|
1723 | 0b2de758 | Iustin Pop | """
|
1724 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetAllInstancesInfo() |
1725 | da4a52a3 | Thomas Thrainer | |
1726 | da4a52a3 | Thomas Thrainer | def _UnlockedGetAllInstancesInfo(self): |
1727 | da4a52a3 | Thomas Thrainer | my_dict = dict([(inst_uuid, self._UnlockedGetInstanceInfo(inst_uuid)) |
1728 | da4a52a3 | Thomas Thrainer | for inst_uuid in self._UnlockedGetInstanceList()]) |
1729 | 0b2de758 | Iustin Pop | return my_dict
|
1730 | 0b2de758 | Iustin Pop | |
1731 | cc19798f | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1732 | cc19798f | Michael Hanselmann | def GetInstancesInfoByFilter(self, filter_fn): |
1733 | cc19798f | Michael Hanselmann | """Get instance configuration with a filter.
|
1734 | cc19798f | Michael Hanselmann |
|
1735 | cc19798f | Michael Hanselmann | @type filter_fn: callable
|
1736 | cc19798f | Michael Hanselmann | @param filter_fn: Filter function receiving instance object as parameter,
|
1737 | cc19798f | Michael Hanselmann | returning boolean. Important: this function is called while the
|
1738 | cc19798f | Michael Hanselmann | configuration locks is held. It must not do any complex work or call
|
1739 | cc19798f | Michael Hanselmann | functions potentially leading to a deadlock. Ideally it doesn't call any
|
1740 | cc19798f | Michael Hanselmann | other functions and just compares instance attributes.
|
1741 | cc19798f | Michael Hanselmann |
|
1742 | cc19798f | Michael Hanselmann | """
|
1743 | da4a52a3 | Thomas Thrainer | return dict((uuid, inst) |
1744 | da4a52a3 | Thomas Thrainer | for (uuid, inst) in self._config_data.instances.items() |
1745 | cc19798f | Michael Hanselmann | if filter_fn(inst))
|
1746 | cc19798f | Michael Hanselmann | |
1747 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1748 | da4a52a3 | Thomas Thrainer | def GetInstanceInfoByName(self, inst_name): |
1749 | da4a52a3 | Thomas Thrainer | """Get the L{objects.Instance} object for a named instance.
|
1750 | da4a52a3 | Thomas Thrainer |
|
1751 | da4a52a3 | Thomas Thrainer | @param inst_name: name of the instance to get information for
|
1752 | da4a52a3 | Thomas Thrainer | @type inst_name: string
|
1753 | da4a52a3 | Thomas Thrainer | @return: the corresponding L{objects.Instance} instance or None if no
|
1754 | da4a52a3 | Thomas Thrainer | information is available
|
1755 | da4a52a3 | Thomas Thrainer |
|
1756 | da4a52a3 | Thomas Thrainer | """
|
1757 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceInfoByName(inst_name) |
1758 | da4a52a3 | Thomas Thrainer | |
1759 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceInfoByName(self, inst_name): |
1760 | da4a52a3 | Thomas Thrainer | for inst in self._UnlockedGetAllInstancesInfo().values(): |
1761 | da4a52a3 | Thomas Thrainer | if inst.name == inst_name:
|
1762 | da4a52a3 | Thomas Thrainer | return inst
|
1763 | da4a52a3 | Thomas Thrainer | return None |
1764 | da4a52a3 | Thomas Thrainer | |
1765 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceName(self, inst_uuid): |
1766 | da4a52a3 | Thomas Thrainer | inst_info = self._UnlockedGetInstanceInfo(inst_uuid)
|
1767 | da4a52a3 | Thomas Thrainer | if inst_info is None: |
1768 | da4a52a3 | Thomas Thrainer | raise errors.OpExecError("Unknown instance: %s" % inst_uuid) |
1769 | da4a52a3 | Thomas Thrainer | return inst_info.name
|
1770 | da4a52a3 | Thomas Thrainer | |
1771 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1772 | da4a52a3 | Thomas Thrainer | def GetInstanceName(self, inst_uuid): |
1773 | da4a52a3 | Thomas Thrainer | """Gets the instance name for the passed instance.
|
1774 | da4a52a3 | Thomas Thrainer |
|
1775 | da4a52a3 | Thomas Thrainer | @param inst_uuid: instance UUID to get name for
|
1776 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1777 | da4a52a3 | Thomas Thrainer | @rtype: string
|
1778 | da4a52a3 | Thomas Thrainer | @return: instance name
|
1779 | da4a52a3 | Thomas Thrainer |
|
1780 | da4a52a3 | Thomas Thrainer | """
|
1781 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceName(inst_uuid) |
1782 | da4a52a3 | Thomas Thrainer | |
1783 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1784 | da4a52a3 | Thomas Thrainer | def GetInstanceNames(self, inst_uuids): |
1785 | da4a52a3 | Thomas Thrainer | """Gets the instance names for the passed list of nodes.
|
1786 | da4a52a3 | Thomas Thrainer |
|
1787 | da4a52a3 | Thomas Thrainer | @param inst_uuids: list of instance UUIDs to get names for
|
1788 | da4a52a3 | Thomas Thrainer | @type inst_uuids: list of strings
|
1789 | da4a52a3 | Thomas Thrainer | @rtype: list of strings
|
1790 | da4a52a3 | Thomas Thrainer | @return: list of instance names
|
1791 | da4a52a3 | Thomas Thrainer |
|
1792 | da4a52a3 | Thomas Thrainer | """
|
1793 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceNames(inst_uuids) |
1794 | da4a52a3 | Thomas Thrainer | |
1795 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceNames(self, inst_uuids): |
1796 | da4a52a3 | Thomas Thrainer | return [self._UnlockedGetInstanceName(uuid) for uuid in inst_uuids] |
1797 | da4a52a3 | Thomas Thrainer | |
1798 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1799 | 0debfb35 | Guido Trotter | def AddNode(self, node, ec_id): |
1800 | a8083063 | Iustin Pop | """Add a node to the configuration.
|
1801 | a8083063 | Iustin Pop |
|
1802 | c41eea6e | Iustin Pop | @type node: L{objects.Node}
|
1803 | c41eea6e | Iustin Pop | @param node: a Node instance
|
1804 | a8083063 | Iustin Pop |
|
1805 | a8083063 | Iustin Pop | """
|
1806 | 099c52ad | Iustin Pop | logging.info("Adding node %s to configuration", node.name)
|
1807 | d8470559 | Michael Hanselmann | |
1808 | 0debfb35 | Guido Trotter | self._EnsureUUID(node, ec_id)
|
1809 | 430b923c | Iustin Pop | |
1810 | b989e85d | Iustin Pop | node.serial_no = 1
|
1811 | d693c864 | Iustin Pop | node.ctime = node.mtime = time.time() |
1812 | 1c3231aa | Thomas Thrainer | self._UnlockedAddNodeToGroup(node.uuid, node.group)
|
1813 | 1c3231aa | Thomas Thrainer | self._config_data.nodes[node.uuid] = node
|
1814 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1815 | a8083063 | Iustin Pop | self._WriteConfig()
|
1816 | a8083063 | Iustin Pop | |
1817 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1818 | 1c3231aa | Thomas Thrainer | def RemoveNode(self, node_uuid): |
1819 | a8083063 | Iustin Pop | """Remove a node from the configuration.
|
1820 | a8083063 | Iustin Pop |
|
1821 | a8083063 | Iustin Pop | """
|
1822 | 1c3231aa | Thomas Thrainer | logging.info("Removing node %s from configuration", node_uuid)
|
1823 | d8470559 | Michael Hanselmann | |
1824 | 1c3231aa | Thomas Thrainer | if node_uuid not in self._config_data.nodes: |
1825 | 1c3231aa | Thomas Thrainer | raise errors.ConfigurationError("Unknown node '%s'" % node_uuid) |
1826 | a8083063 | Iustin Pop | |
1827 | 1c3231aa | Thomas Thrainer | self._UnlockedRemoveNodeFromGroup(self._config_data.nodes[node_uuid]) |
1828 | 1c3231aa | Thomas Thrainer | del self._config_data.nodes[node_uuid] |
1829 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1830 | a8083063 | Iustin Pop | self._WriteConfig()
|
1831 | a8083063 | Iustin Pop | |
1832 | a8083063 | Iustin Pop | def ExpandNodeName(self, short_name): |
1833 | 1c3231aa | Thomas Thrainer | """Attempt to expand an incomplete node name into a node UUID.
|
1834 | a8083063 | Iustin Pop |
|
1835 | a8083063 | Iustin Pop | """
|
1836 | 1c3231aa | Thomas Thrainer | # Locking is done in L{ConfigWriter.GetAllNodesInfo}
|
1837 | 1c3231aa | Thomas Thrainer | all_nodes = self.GetAllNodesInfo().values()
|
1838 | 1c3231aa | Thomas Thrainer | expanded_name = _MatchNameComponentIgnoreCase( |
1839 | 1c3231aa | Thomas Thrainer | short_name, [node.name for node in all_nodes]) |
1840 | a8083063 | Iustin Pop | |
1841 | 1c3231aa | Thomas Thrainer | if expanded_name is not None: |
1842 | da4a52a3 | Thomas Thrainer | # there has to be exactly one node with that name
|
1843 | 1c3231aa | Thomas Thrainer | node = (filter(lambda n: n.name == expanded_name, all_nodes)[0]) |
1844 | 1c3231aa | Thomas Thrainer | return (node.uuid, node.name)
|
1845 | 1c3231aa | Thomas Thrainer | else:
|
1846 | 1c3231aa | Thomas Thrainer | return None |
1847 | 1c3231aa | Thomas Thrainer | |
1848 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeInfo(self, node_uuid): |
1849 | a8083063 | Iustin Pop | """Get the configuration of a node, as stored in the config.
|
1850 | a8083063 | Iustin Pop |
|
1851 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1852 | c41eea6e | Iustin Pop | held.
|
1853 | f78ede4e | Guido Trotter |
|
1854 | 1c3231aa | Thomas Thrainer | @param node_uuid: the node UUID
|
1855 | a8083063 | Iustin Pop |
|
1856 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1857 | c41eea6e | Iustin Pop | @return: the node object
|
1858 | a8083063 | Iustin Pop |
|
1859 | a8083063 | Iustin Pop | """
|
1860 | 1c3231aa | Thomas Thrainer | if node_uuid not in self._config_data.nodes: |
1861 | a8083063 | Iustin Pop | return None |
1862 | a8083063 | Iustin Pop | |
1863 | 1c3231aa | Thomas Thrainer | return self._config_data.nodes[node_uuid] |
1864 | a8083063 | Iustin Pop | |
1865 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1866 | 1c3231aa | Thomas Thrainer | def GetNodeInfo(self, node_uuid): |
1867 | f78ede4e | Guido Trotter | """Get the configuration of a node, as stored in the config.
|
1868 | f78ede4e | Guido Trotter |
|
1869 | c41eea6e | Iustin Pop | This is just a locked wrapper over L{_UnlockedGetNodeInfo}.
|
1870 | f78ede4e | Guido Trotter |
|
1871 | 1c3231aa | Thomas Thrainer | @param node_uuid: the node UUID
|
1872 | c41eea6e | Iustin Pop |
|
1873 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1874 | c41eea6e | Iustin Pop | @return: the node object
|
1875 | f78ede4e | Guido Trotter |
|
1876 | f78ede4e | Guido Trotter | """
|
1877 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeInfo(node_uuid) |
1878 | f78ede4e | Guido Trotter | |
1879 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1880 | 1c3231aa | Thomas Thrainer | def GetNodeInstances(self, node_uuid): |
1881 | 8bf9e9a5 | Iustin Pop | """Get the instances of a node, as stored in the config.
|
1882 | 8bf9e9a5 | Iustin Pop |
|
1883 | 1c3231aa | Thomas Thrainer | @param node_uuid: the node UUID
|
1884 | 8bf9e9a5 | Iustin Pop |
|
1885 | 8bf9e9a5 | Iustin Pop | @rtype: (list, list)
|
1886 | 8bf9e9a5 | Iustin Pop | @return: a tuple with two lists: the primary and the secondary instances
|
1887 | 8bf9e9a5 | Iustin Pop |
|
1888 | 8bf9e9a5 | Iustin Pop | """
|
1889 | 8bf9e9a5 | Iustin Pop | pri = [] |
1890 | 8bf9e9a5 | Iustin Pop | sec = [] |
1891 | 8bf9e9a5 | Iustin Pop | for inst in self._config_data.instances.values(): |
1892 | 1c3231aa | Thomas Thrainer | if inst.primary_node == node_uuid:
|
1893 | da4a52a3 | Thomas Thrainer | pri.append(inst.uuid) |
1894 | 1c3231aa | Thomas Thrainer | if node_uuid in inst.secondary_nodes: |
1895 | da4a52a3 | Thomas Thrainer | sec.append(inst.uuid) |
1896 | 8bf9e9a5 | Iustin Pop | return (pri, sec)
|
1897 | 8bf9e9a5 | Iustin Pop | |
1898 | c71b049c | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1899 | c71b049c | Michael Hanselmann | def GetNodeGroupInstances(self, uuid, primary_only=False): |
1900 | c71b049c | Michael Hanselmann | """Get the instances of a node group.
|
1901 | c71b049c | Michael Hanselmann |
|
1902 | c71b049c | Michael Hanselmann | @param uuid: Node group UUID
|
1903 | c71b049c | Michael Hanselmann | @param primary_only: Whether to only consider primary nodes
|
1904 | c71b049c | Michael Hanselmann | @rtype: frozenset
|
1905 | da4a52a3 | Thomas Thrainer | @return: List of instance UUIDs in node group
|
1906 | c71b049c | Michael Hanselmann |
|
1907 | c71b049c | Michael Hanselmann | """
|
1908 | c71b049c | Michael Hanselmann | if primary_only:
|
1909 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: [inst.primary_node]
|
1910 | c71b049c | Michael Hanselmann | else:
|
1911 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: inst.all_nodes
|
1912 | c71b049c | Michael Hanselmann | |
1913 | da4a52a3 | Thomas Thrainer | return frozenset(inst.uuid |
1914 | c71b049c | Michael Hanselmann | for inst in self._config_data.instances.values() |
1915 | 1c3231aa | Thomas Thrainer | for node_uuid in nodes_fn(inst) |
1916 | 1c3231aa | Thomas Thrainer | if self._UnlockedGetNodeInfo(node_uuid).group == uuid) |
1917 | c71b049c | Michael Hanselmann | |
1918 | def6577f | Helga Velroyen | def _UnlockedGetHvparamsString(self, hvname): |
1919 | def6577f | Helga Velroyen | """Return the string representation of the list of hyervisor parameters of
|
1920 | def6577f | Helga Velroyen | the given hypervisor.
|
1921 | def6577f | Helga Velroyen |
|
1922 | def6577f | Helga Velroyen | @see: C{GetHvparams}
|
1923 | def6577f | Helga Velroyen |
|
1924 | def6577f | Helga Velroyen | """
|
1925 | def6577f | Helga Velroyen | result = ""
|
1926 | def6577f | Helga Velroyen | hvparams = self._config_data.cluster.hvparams[hvname]
|
1927 | def6577f | Helga Velroyen | for key in hvparams: |
1928 | def6577f | Helga Velroyen | result += "%s=%s\n" % (key, hvparams[key])
|
1929 | def6577f | Helga Velroyen | return result
|
1930 | def6577f | Helga Velroyen | |
1931 | def6577f | Helga Velroyen | @locking.ssynchronized(_config_lock, shared=1) |
1932 | def6577f | Helga Velroyen | def GetHvparamsString(self, hvname): |
1933 | def6577f | Helga Velroyen | """Return the hypervisor parameters of the given hypervisor.
|
1934 | def6577f | Helga Velroyen |
|
1935 | def6577f | Helga Velroyen | @type hvname: string
|
1936 | def6577f | Helga Velroyen | @param hvname: name of a hypervisor
|
1937 | def6577f | Helga Velroyen | @rtype: string
|
1938 | def6577f | Helga Velroyen | @return: string containing key-value-pairs, one pair on each line;
|
1939 | def6577f | Helga Velroyen | format: KEY=VALUE
|
1940 | def6577f | Helga Velroyen |
|
1941 | def6577f | Helga Velroyen | """
|
1942 | def6577f | Helga Velroyen | return self._UnlockedGetHvparamsString(hvname) |
1943 | def6577f | Helga Velroyen | |
1944 | f78ede4e | Guido Trotter | def _UnlockedGetNodeList(self): |
1945 | a8083063 | Iustin Pop | """Return the list of nodes which are in the configuration.
|
1946 | a8083063 | Iustin Pop |
|
1947 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1948 | c41eea6e | Iustin Pop | held.
|
1949 | c41eea6e | Iustin Pop |
|
1950 | c41eea6e | Iustin Pop | @rtype: list
|
1951 | f78ede4e | Guido Trotter |
|
1952 | a8083063 | Iustin Pop | """
|
1953 | a8083063 | Iustin Pop | return self._config_data.nodes.keys() |
1954 | a8083063 | Iustin Pop | |
1955 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1956 | f78ede4e | Guido Trotter | def GetNodeList(self): |
1957 | f78ede4e | Guido Trotter | """Return the list of nodes which are in the configuration.
|
1958 | f78ede4e | Guido Trotter |
|
1959 | f78ede4e | Guido Trotter | """
|
1960 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeList() |
1961 | f78ede4e | Guido Trotter | |
1962 | 6819dc49 | Iustin Pop | def _UnlockedGetOnlineNodeList(self): |
1963 | 94a02bb5 | Iustin Pop | """Return the list of nodes which are online.
|
1964 | 94a02bb5 | Iustin Pop |
|
1965 | 94a02bb5 | Iustin Pop | """
|
1966 | 94a02bb5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1967 | 94a02bb5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1968 | 1c3231aa | Thomas Thrainer | return [node.uuid for node in all_nodes if not node.offline] |
1969 | 94a02bb5 | Iustin Pop | |
1970 | 94a02bb5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1971 | 6819dc49 | Iustin Pop | def GetOnlineNodeList(self): |
1972 | 6819dc49 | Iustin Pop | """Return the list of nodes which are online.
|
1973 | 6819dc49 | Iustin Pop |
|
1974 | 6819dc49 | Iustin Pop | """
|
1975 | 6819dc49 | Iustin Pop | return self._UnlockedGetOnlineNodeList() |
1976 | 6819dc49 | Iustin Pop | |
1977 | 6819dc49 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1978 | 075b62ca | Iustin Pop | def GetVmCapableNodeList(self): |
1979 | 075b62ca | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1980 | 075b62ca | Iustin Pop |
|
1981 | 075b62ca | Iustin Pop | """
|
1982 | 075b62ca | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1983 | 075b62ca | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1984 | 1c3231aa | Thomas Thrainer | return [node.uuid for node in all_nodes if node.vm_capable] |
1985 | 075b62ca | Iustin Pop | |
1986 | 075b62ca | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1987 | 8bf9e9a5 | Iustin Pop | def GetNonVmCapableNodeList(self): |
1988 | 8bf9e9a5 | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1989 | 8bf9e9a5 | Iustin Pop |
|
1990 | 8bf9e9a5 | Iustin Pop | """
|
1991 | 8bf9e9a5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1992 | 8bf9e9a5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1993 | 1c3231aa | Thomas Thrainer | return [node.uuid for node in all_nodes if not node.vm_capable] |
1994 | 8bf9e9a5 | Iustin Pop | |
1995 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1996 | 1c3231aa | Thomas Thrainer | def GetMultiNodeInfo(self, node_uuids): |
1997 | f5eaa3c1 | Iustin Pop | """Get the configuration of multiple nodes.
|
1998 | f5eaa3c1 | Iustin Pop |
|
1999 | 1c3231aa | Thomas Thrainer | @param node_uuids: list of node UUIDs
|
2000 | f5eaa3c1 | Iustin Pop | @rtype: list
|
2001 | f5eaa3c1 | Iustin Pop | @return: list of tuples of (node, node_info), where node_info is
|
2002 | f5eaa3c1 | Iustin Pop | what would GetNodeInfo return for the node, in the original
|
2003 | f5eaa3c1 | Iustin Pop | order
|
2004 | f5eaa3c1 | Iustin Pop |
|
2005 | f5eaa3c1 | Iustin Pop | """
|
2006 | 1c3231aa | Thomas Thrainer | return [(uuid, self._UnlockedGetNodeInfo(uuid)) for uuid in node_uuids] |
2007 | 1c3231aa | Thomas Thrainer | |
2008 | 1c3231aa | Thomas Thrainer | def _UnlockedGetAllNodesInfo(self): |
2009 | 1c3231aa | Thomas Thrainer | """Gets configuration of all nodes.
|
2010 | 1c3231aa | Thomas Thrainer |
|
2011 | 1c3231aa | Thomas Thrainer | @note: See L{GetAllNodesInfo}
|
2012 | 1c3231aa | Thomas Thrainer |
|
2013 | 1c3231aa | Thomas Thrainer | """
|
2014 | 1c3231aa | Thomas Thrainer | return dict([(node_uuid, self._UnlockedGetNodeInfo(node_uuid)) |
2015 | 1c3231aa | Thomas Thrainer | for node_uuid in self._UnlockedGetNodeList()]) |
2016 | f5eaa3c1 | Iustin Pop | |
2017 | f5eaa3c1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
2018 | d65e5776 | Iustin Pop | def GetAllNodesInfo(self): |
2019 | d65e5776 | Iustin Pop | """Get the configuration of all nodes.
|
2020 | d65e5776 | Iustin Pop |
|
2021 | d65e5776 | Iustin Pop | @rtype: dict
|
2022 | ec0292f1 | Iustin Pop | @return: dict of (node, node_info), where node_info is what
|
2023 | d65e5776 | Iustin Pop | would GetNodeInfo return for the node
|
2024 | d65e5776 | Iustin Pop |
|
2025 | d65e5776 | Iustin Pop | """
|
2026 | ee14d800 | Michael Hanselmann | return self._UnlockedGetAllNodesInfo() |
2027 | ee14d800 | Michael Hanselmann | |
2028 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeInfoByName(self, node_name): |
2029 | 1c3231aa | Thomas Thrainer | for node in self._UnlockedGetAllNodesInfo().values(): |
2030 | 1c3231aa | Thomas Thrainer | if node.name == node_name:
|
2031 | 1c3231aa | Thomas Thrainer | return node
|
2032 | 1c3231aa | Thomas Thrainer | return None |
2033 | ee14d800 | Michael Hanselmann | |
2034 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
2035 | 1c3231aa | Thomas Thrainer | def GetNodeInfoByName(self, node_name): |
2036 | 1c3231aa | Thomas Thrainer | """Get the L{objects.Node} object for a named node.
|
2037 | 1c3231aa | Thomas Thrainer |
|
2038 | 1c3231aa | Thomas Thrainer | @param node_name: name of the node to get information for
|
2039 | 1c3231aa | Thomas Thrainer | @type node_name: string
|
2040 | 1c3231aa | Thomas Thrainer | @return: the corresponding L{objects.Node} instance or None if no
|
2041 | 1c3231aa | Thomas Thrainer | information is available
|
2042 | 1c3231aa | Thomas Thrainer |
|
2043 | 1c3231aa | Thomas Thrainer | """
|
2044 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeInfoByName(node_name) |
2045 | 1c3231aa | Thomas Thrainer | |
2046 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeName(self, node_spec): |
2047 | 1c3231aa | Thomas Thrainer | if isinstance(node_spec, objects.Node): |
2048 | 1c3231aa | Thomas Thrainer | return node_spec.name
|
2049 | 1c3231aa | Thomas Thrainer | elif isinstance(node_spec, basestring): |
2050 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_spec)
|
2051 | 1c3231aa | Thomas Thrainer | if node_info is None: |
2052 | 1c3231aa | Thomas Thrainer | raise errors.OpExecError("Unknown node: %s" % node_spec) |
2053 | 1c3231aa | Thomas Thrainer | return node_info.name
|
2054 | 1c3231aa | Thomas Thrainer | else:
|
2055 | 1c3231aa | Thomas Thrainer | raise errors.ProgrammerError("Can't handle node spec '%s'" % node_spec) |
2056 | 1c3231aa | Thomas Thrainer | |
2057 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
2058 | 1c3231aa | Thomas Thrainer | def GetNodeName(self, node_spec): |
2059 | 1c3231aa | Thomas Thrainer | """Gets the node name for the passed node.
|
2060 | 1c3231aa | Thomas Thrainer |
|
2061 | 1c3231aa | Thomas Thrainer | @param node_spec: node to get names for
|
2062 | 1c3231aa | Thomas Thrainer | @type node_spec: either node UUID or a L{objects.Node} object
|
2063 | 1c3231aa | Thomas Thrainer | @rtype: string
|
2064 | 1c3231aa | Thomas Thrainer | @return: node name
|
2065 | 1c3231aa | Thomas Thrainer |
|
2066 | 1c3231aa | Thomas Thrainer | """
|
2067 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeName(node_spec) |
2068 | 1c3231aa | Thomas Thrainer | |
2069 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeNames(self, node_specs): |
2070 | 1c3231aa | Thomas Thrainer | return [self._UnlockedGetNodeName(node_spec) for node_spec in node_specs] |
2071 | 1c3231aa | Thomas Thrainer | |
2072 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
2073 | 1c3231aa | Thomas Thrainer | def GetNodeNames(self, node_specs): |
2074 | 1c3231aa | Thomas Thrainer | """Gets the node names for the passed list of nodes.
|
2075 | 1c3231aa | Thomas Thrainer |
|
2076 | 1c3231aa | Thomas Thrainer | @param node_specs: list of nodes to get names for
|
2077 | 1c3231aa | Thomas Thrainer | @type node_specs: list of either node UUIDs or L{objects.Node} objects
|
2078 | 1c3231aa | Thomas Thrainer | @rtype: list of strings
|
2079 | 1c3231aa | Thomas Thrainer | @return: list of node names
|
2080 | ee14d800 | Michael Hanselmann |
|
2081 | ee14d800 | Michael Hanselmann | """
|
2082 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeNames(node_specs) |
2083 | d65e5776 | Iustin Pop | |
2084 | 9d5b1371 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
2085 | 1c3231aa | Thomas Thrainer | def GetNodeGroupsFromNodes(self, node_uuids): |
2086 | 9d5b1371 | Michael Hanselmann | """Returns groups for a list of nodes.
|
2087 | 9d5b1371 | Michael Hanselmann |
|
2088 | 1c3231aa | Thomas Thrainer | @type node_uuids: list of string
|
2089 | 1c3231aa | Thomas Thrainer | @param node_uuids: List of node UUIDs
|
2090 | 9d5b1371 | Michael Hanselmann | @rtype: frozenset
|
2091 | 9d5b1371 | Michael Hanselmann |
|
2092 | 9d5b1371 | Michael Hanselmann | """
|
2093 | 1c3231aa | Thomas Thrainer | return frozenset(self._UnlockedGetNodeInfo(uuid).group |
2094 | 1c3231aa | Thomas Thrainer | for uuid in node_uuids) |
2095 | 9d5b1371 | Michael Hanselmann | |
2096 | 23f06b2b | Iustin Pop | def _UnlockedGetMasterCandidateStats(self, exceptions=None): |
2097 | ec0292f1 | Iustin Pop | """Get the number of current and maximum desired and possible candidates.
|
2098 | ec0292f1 | Iustin Pop |
|
2099 | 23f06b2b | Iustin Pop | @type exceptions: list
|
2100 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
2101 | ec0292f1 | Iustin Pop | @rtype: tuple
|
2102 | e623dbe3 | Guido Trotter | @return: tuple of (current, desired and possible, possible)
|
2103 | ec0292f1 | Iustin Pop |
|
2104 | ec0292f1 | Iustin Pop | """
|
2105 | e623dbe3 | Guido Trotter | mc_now = mc_should = mc_max = 0
|
2106 | 23f06b2b | Iustin Pop | for node in self._config_data.nodes.values(): |
2107 | 1c3231aa | Thomas Thrainer | if exceptions and node.uuid in exceptions: |
2108 | 23f06b2b | Iustin Pop | continue
|
2109 | 490acd18 | Iustin Pop | if not (node.offline or node.drained) and node.master_capable: |
2110 | ec0292f1 | Iustin Pop | mc_max += 1
|
2111 | ec0292f1 | Iustin Pop | if node.master_candidate:
|
2112 | ec0292f1 | Iustin Pop | mc_now += 1
|
2113 | e623dbe3 | Guido Trotter | mc_should = min(mc_max, self._config_data.cluster.candidate_pool_size) |
2114 | e623dbe3 | Guido Trotter | return (mc_now, mc_should, mc_max)
|
2115 | ec0292f1 | Iustin Pop | |
2116 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
2117 | 23f06b2b | Iustin Pop | def GetMasterCandidateStats(self, exceptions=None): |
2118 | ec0292f1 | Iustin Pop | """Get the number of current and maximum possible candidates.
|
2119 | ec0292f1 | Iustin Pop |
|
2120 | ec0292f1 | Iustin Pop | This is just a wrapper over L{_UnlockedGetMasterCandidateStats}.
|
2121 | ec0292f1 | Iustin Pop |
|
2122 | 23f06b2b | Iustin Pop | @type exceptions: list
|
2123 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
2124 | ec0292f1 | Iustin Pop | @rtype: tuple
|
2125 | ec0292f1 | Iustin Pop | @return: tuple of (current, max)
|
2126 | ec0292f1 | Iustin Pop |
|
2127 | ec0292f1 | Iustin Pop | """
|
2128 | 23f06b2b | Iustin Pop | return self._UnlockedGetMasterCandidateStats(exceptions) |
2129 | ec0292f1 | Iustin Pop | |
2130 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
2131 | 1c3231aa | Thomas Thrainer | def MaintainCandidatePool(self, exception_node_uuids): |
2132 | ec0292f1 | Iustin Pop | """Try to grow the candidate pool to the desired size.
|
2133 | ec0292f1 | Iustin Pop |
|
2134 | 1c3231aa | Thomas Thrainer | @type exception_node_uuids: list
|
2135 | 1c3231aa | Thomas Thrainer | @param exception_node_uuids: if passed, list of nodes that should be ignored
|
2136 | ec0292f1 | Iustin Pop | @rtype: list
|
2137 | ee513a66 | Iustin Pop | @return: list with the adjusted nodes (L{objects.Node} instances)
|
2138 | ec0292f1 | Iustin Pop |
|
2139 | ec0292f1 | Iustin Pop | """
|
2140 | 1c3231aa | Thomas Thrainer | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats(
|
2141 | 1c3231aa | Thomas Thrainer | exception_node_uuids) |
2142 | ec0292f1 | Iustin Pop | mod_list = [] |
2143 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
2144 | ec0292f1 | Iustin Pop | node_list = self._config_data.nodes.keys()
|
2145 | ec0292f1 | Iustin Pop | random.shuffle(node_list) |
2146 | 1c3231aa | Thomas Thrainer | for uuid in node_list: |
2147 | ec0292f1 | Iustin Pop | if mc_now >= mc_max:
|
2148 | ec0292f1 | Iustin Pop | break
|
2149 | 1c3231aa | Thomas Thrainer | node = self._config_data.nodes[uuid]
|
2150 | 44485f49 | Guido Trotter | if (node.master_candidate or node.offline or node.drained or |
2151 | 1c3231aa | Thomas Thrainer | node.uuid in exception_node_uuids or not node.master_capable): |
2152 | ec0292f1 | Iustin Pop | continue
|
2153 | ee513a66 | Iustin Pop | mod_list.append(node) |
2154 | ec0292f1 | Iustin Pop | node.master_candidate = True
|
2155 | ec0292f1 | Iustin Pop | node.serial_no += 1
|
2156 | ec0292f1 | Iustin Pop | mc_now += 1
|
2157 | ec0292f1 | Iustin Pop | if mc_now != mc_max:
|
2158 | ec0292f1 | Iustin Pop | # this should not happen
|
2159 | ec0292f1 | Iustin Pop | logging.warning("Warning: MaintainCandidatePool didn't manage to"
|
2160 | ec0292f1 | Iustin Pop | " fill the candidate pool (%d/%d)", mc_now, mc_max)
|
2161 | ec0292f1 | Iustin Pop | if mod_list:
|
2162 | ec0292f1 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2163 | ec0292f1 | Iustin Pop | self._WriteConfig()
|
2164 | ec0292f1 | Iustin Pop | |
2165 | ec0292f1 | Iustin Pop | return mod_list
|
2166 | ec0292f1 | Iustin Pop | |
2167 | 1c3231aa | Thomas Thrainer | def _UnlockedAddNodeToGroup(self, node_uuid, nodegroup_uuid): |
2168 | 190e3cb6 | Guido Trotter | """Add a given node to the specified group.
|
2169 | 190e3cb6 | Guido Trotter |
|
2170 | 190e3cb6 | Guido Trotter | """
|
2171 | 190e3cb6 | Guido Trotter | if nodegroup_uuid not in self._config_data.nodegroups: |
2172 | 190e3cb6 | Guido Trotter | # This can happen if a node group gets deleted between its lookup and
|
2173 | 190e3cb6 | Guido Trotter | # when we're adding the first node to it, since we don't keep a lock in
|
2174 | 190e3cb6 | Guido Trotter | # the meantime. It's ok though, as we'll fail cleanly if the node group
|
2175 | 190e3cb6 | Guido Trotter | # is not found anymore.
|
2176 | f936c153 | Iustin Pop | raise errors.OpExecError("Unknown node group: %s" % nodegroup_uuid) |
2177 | 1c3231aa | Thomas Thrainer | if node_uuid not in self._config_data.nodegroups[nodegroup_uuid].members: |
2178 | 1c3231aa | Thomas Thrainer | self._config_data.nodegroups[nodegroup_uuid].members.append(node_uuid)
|
2179 | 190e3cb6 | Guido Trotter | |
2180 | 190e3cb6 | Guido Trotter | def _UnlockedRemoveNodeFromGroup(self, node): |
2181 | 190e3cb6 | Guido Trotter | """Remove a given node from its group.
|
2182 | 190e3cb6 | Guido Trotter |
|
2183 | 190e3cb6 | Guido Trotter | """
|
2184 | f936c153 | Iustin Pop | nodegroup = node.group |
2185 | 190e3cb6 | Guido Trotter | if nodegroup not in self._config_data.nodegroups: |
2186 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' has unknown node group '%s'"
|
2187 | 1c3231aa | Thomas Thrainer | " (while being removed from it)", node.uuid, nodegroup)
|
2188 | 190e3cb6 | Guido Trotter | nodegroup_obj = self._config_data.nodegroups[nodegroup]
|
2189 | 1c3231aa | Thomas Thrainer | if node.uuid not in nodegroup_obj.members: |
2190 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' not a member of its node group '%s'"
|
2191 | 1c3231aa | Thomas Thrainer | " (while being removed from it)", node.uuid, nodegroup)
|
2192 | 190e3cb6 | Guido Trotter | else:
|
2193 | 1c3231aa | Thomas Thrainer | nodegroup_obj.members.remove(node.uuid) |
2194 | 190e3cb6 | Guido Trotter | |
2195 | 54c31fd3 | Michael Hanselmann | @locking.ssynchronized(_config_lock)
|
2196 | 54c31fd3 | Michael Hanselmann | def AssignGroupNodes(self, mods): |
2197 | 54c31fd3 | Michael Hanselmann | """Changes the group of a number of nodes.
|
2198 | 54c31fd3 | Michael Hanselmann |
|
2199 | 54c31fd3 | Michael Hanselmann | @type mods: list of tuples; (node name, new group UUID)
|
2200 | 1d4930b9 | Michael Hanselmann | @param mods: Node membership modifications
|
2201 | 54c31fd3 | Michael Hanselmann |
|
2202 | 54c31fd3 | Michael Hanselmann | """
|
2203 | 54c31fd3 | Michael Hanselmann | groups = self._config_data.nodegroups
|
2204 | 54c31fd3 | Michael Hanselmann | nodes = self._config_data.nodes
|
2205 | 54c31fd3 | Michael Hanselmann | |
2206 | 54c31fd3 | Michael Hanselmann | resmod = [] |
2207 | 54c31fd3 | Michael Hanselmann | |
2208 | 1c3231aa | Thomas Thrainer | # Try to resolve UUIDs first
|
2209 | 1c3231aa | Thomas Thrainer | for (node_uuid, new_group_uuid) in mods: |
2210 | 54c31fd3 | Michael Hanselmann | try:
|
2211 | 1c3231aa | Thomas Thrainer | node = nodes[node_uuid] |
2212 | 54c31fd3 | Michael Hanselmann | except KeyError: |
2213 | 1c3231aa | Thomas Thrainer | raise errors.ConfigurationError("Unable to find node '%s'" % node_uuid) |
2214 | 54c31fd3 | Michael Hanselmann | |
2215 | 54c31fd3 | Michael Hanselmann | if node.group == new_group_uuid:
|
2216 | 54c31fd3 | Michael Hanselmann | # Node is being assigned to its current group
|
2217 | 54c31fd3 | Michael Hanselmann | logging.debug("Node '%s' was assigned to its current group (%s)",
|
2218 | 1c3231aa | Thomas Thrainer | node_uuid, node.group) |
2219 | 54c31fd3 | Michael Hanselmann | continue
|
2220 | 54c31fd3 | Michael Hanselmann | |
2221 | 54c31fd3 | Michael Hanselmann | # Try to find current group of node
|
2222 | 54c31fd3 | Michael Hanselmann | try:
|
2223 | 54c31fd3 | Michael Hanselmann | old_group = groups[node.group] |
2224 | 54c31fd3 | Michael Hanselmann | except KeyError: |
2225 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find old group '%s'" % |
2226 | 54c31fd3 | Michael Hanselmann | node.group) |
2227 | 54c31fd3 | Michael Hanselmann | |
2228 | 54c31fd3 | Michael Hanselmann | # Try to find new group for node
|
2229 | 54c31fd3 | Michael Hanselmann | try:
|
2230 | 54c31fd3 | Michael Hanselmann | new_group = groups[new_group_uuid] |
2231 | 54c31fd3 | Michael Hanselmann | except KeyError: |
2232 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find new group '%s'" % |
2233 | 54c31fd3 | Michael Hanselmann | new_group_uuid) |
2234 | 54c31fd3 | Michael Hanselmann | |
2235 | 1c3231aa | Thomas Thrainer | assert node.uuid in old_group.members, \ |
2236 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' not listed in members for its"
|
2237 | 1c3231aa | Thomas Thrainer | " old group '%s'" % (node.uuid, old_group.uuid))
|
2238 | 1c3231aa | Thomas Thrainer | assert node.uuid not in new_group.members, \ |
2239 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' already listed in members for"
|
2240 | 1c3231aa | Thomas Thrainer | " its new group '%s'" % (node.uuid, new_group.uuid))
|
2241 | 54c31fd3 | Michael Hanselmann | |
2242 | 54c31fd3 | Michael Hanselmann | resmod.append((node, old_group, new_group)) |
2243 | 54c31fd3 | Michael Hanselmann | |
2244 | 54c31fd3 | Michael Hanselmann | # Apply changes
|
2245 | 54c31fd3 | Michael Hanselmann | for (node, old_group, new_group) in resmod: |
2246 | 54c31fd3 | Michael Hanselmann | assert node.uuid != new_group.uuid and old_group.uuid != new_group.uuid, \ |
2247 | 54c31fd3 | Michael Hanselmann | "Assigning to current group is not possible"
|
2248 | 54c31fd3 | Michael Hanselmann | |
2249 | 54c31fd3 | Michael Hanselmann | node.group = new_group.uuid |
2250 | 54c31fd3 | Michael Hanselmann | |
2251 | 54c31fd3 | Michael Hanselmann | # Update members of involved groups
|
2252 | 1c3231aa | Thomas Thrainer | if node.uuid in old_group.members: |
2253 | 1c3231aa | Thomas Thrainer | old_group.members.remove(node.uuid) |
2254 | 1c3231aa | Thomas Thrainer | if node.uuid not in new_group.members: |
2255 | 1c3231aa | Thomas Thrainer | new_group.members.append(node.uuid) |
2256 | 54c31fd3 | Michael Hanselmann | |
2257 | 54c31fd3 | Michael Hanselmann | # Update timestamps and serials (only once per node/group object)
|
2258 | 54c31fd3 | Michael Hanselmann | now = time.time() |
2259 | 75191077 | Michael Hanselmann | for obj in frozenset(itertools.chain(*resmod)): # pylint: disable=W0142 |
2260 | 54c31fd3 | Michael Hanselmann | obj.serial_no += 1
|
2261 | 54c31fd3 | Michael Hanselmann | obj.mtime = now |
2262 | 54c31fd3 | Michael Hanselmann | |
2263 | 54c31fd3 | Michael Hanselmann | # Force ssconf update
|
2264 | 54c31fd3 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
2265 | 54c31fd3 | Michael Hanselmann | |
2266 | 54c31fd3 | Michael Hanselmann | self._WriteConfig()
|
2267 | 54c31fd3 | Michael Hanselmann | |
2268 | a8083063 | Iustin Pop | def _BumpSerialNo(self): |
2269 | a8083063 | Iustin Pop | """Bump up the serial number of the config.
|
2270 | a8083063 | Iustin Pop |
|
2271 | a8083063 | Iustin Pop | """
|
2272 | 9d38c6e1 | Iustin Pop | self._config_data.serial_no += 1 |
2273 | d693c864 | Iustin Pop | self._config_data.mtime = time.time()
|
2274 | a8083063 | Iustin Pop | |
2275 | 76d5d3a3 | Iustin Pop | def _AllUUIDObjects(self): |
2276 | 76d5d3a3 | Iustin Pop | """Returns all objects with uuid attributes.
|
2277 | 76d5d3a3 | Iustin Pop |
|
2278 | 76d5d3a3 | Iustin Pop | """
|
2279 | 76d5d3a3 | Iustin Pop | return (self._config_data.instances.values() + |
2280 | 76d5d3a3 | Iustin Pop | self._config_data.nodes.values() +
|
2281 | 3df43542 | Guido Trotter | self._config_data.nodegroups.values() +
|
2282 | e0519c34 | Dimitris Aragiorgis | self._config_data.networks.values() +
|
2283 | b87a9c5f | Christos Stavrakakis | self._AllDisks() +
|
2284 | b87a9c5f | Christos Stavrakakis | self._AllNICs() +
|
2285 | 76d5d3a3 | Iustin Pop | [self._config_data.cluster])
|
2286 | 76d5d3a3 | Iustin Pop | |
2287 | eb180fe2 | Iustin Pop | def _OpenConfig(self, accept_foreign): |
2288 | a8083063 | Iustin Pop | """Read the config data from disk.
|
2289 | a8083063 | Iustin Pop |
|
2290 | a8083063 | Iustin Pop | """
|
2291 | 13998ef2 | Michael Hanselmann | raw_data = utils.ReadFile(self._cfg_file)
|
2292 | 13998ef2 | Michael Hanselmann | |
2293 | a8083063 | Iustin Pop | try:
|
2294 | 13998ef2 | Michael Hanselmann | data = objects.ConfigData.FromDict(serializer.Load(raw_data)) |
2295 | 13998ef2 | Michael Hanselmann | except Exception, err: |
2296 | 13998ef2 | Michael Hanselmann | raise errors.ConfigurationError(err)
|
2297 | 5b263ed7 | Michael Hanselmann | |
2298 | 5b263ed7 | Michael Hanselmann | # Make sure the configuration has the right version
|
2299 | 5b263ed7 | Michael Hanselmann | _ValidateConfig(data) |
2300 | 5b263ed7 | Michael Hanselmann | |
2301 | 3ccb3a64 | Michael Hanselmann | if (not hasattr(data, "cluster") or |
2302 | 3ccb3a64 | Michael Hanselmann | not hasattr(data.cluster, "rsahostkeypub")): |
2303 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Incomplete configuration" |
2304 | 243cdbcc | Michael Hanselmann | " (missing cluster.rsahostkeypub)")
|
2305 | 90d726a8 | Iustin Pop | |
2306 | 1c3231aa | Thomas Thrainer | if not data.cluster.master_node in data.nodes: |
2307 | 1c3231aa | Thomas Thrainer | msg = ("The configuration denotes node %s as master, but does not"
|
2308 | 1c3231aa | Thomas Thrainer | " contain information about this node" %
|
2309 | 1c3231aa | Thomas Thrainer | data.cluster.master_node) |
2310 | 1c3231aa | Thomas Thrainer | raise errors.ConfigurationError(msg)
|
2311 | 1c3231aa | Thomas Thrainer | |
2312 | 1c3231aa | Thomas Thrainer | master_info = data.nodes[data.cluster.master_node] |
2313 | 1c3231aa | Thomas Thrainer | if master_info.name != self._my_hostname and not accept_foreign: |
2314 | eb180fe2 | Iustin Pop | msg = ("The configuration denotes node %s as master, while my"
|
2315 | eb180fe2 | Iustin Pop | " hostname is %s; opening a foreign configuration is only"
|
2316 | eb180fe2 | Iustin Pop | " possible in accept_foreign mode" %
|
2317 | 1c3231aa | Thomas Thrainer | (master_info.name, self._my_hostname))
|
2318 | eb180fe2 | Iustin Pop | raise errors.ConfigurationError(msg)
|
2319 | eb180fe2 | Iustin Pop | |
2320 | a8083063 | Iustin Pop | self._config_data = data
|
2321 | 3c7f6c44 | Iustin Pop | # reset the last serial as -1 so that the next write will cause
|
2322 | 0779e3aa | Iustin Pop | # ssconf update
|
2323 | 0779e3aa | Iustin Pop | self._last_cluster_serial = -1 |
2324 | a8083063 | Iustin Pop | |
2325 | 45f62156 | Bernardo Dal Seno | # Upgrade configuration if needed
|
2326 | 76d5d3a3 | Iustin Pop | self._UpgradeConfig()
|
2327 | 76d5d3a3 | Iustin Pop | |
2328 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(path=self._cfg_file) |
2329 | bd407597 | Iustin Pop | |
2330 | 76d5d3a3 | Iustin Pop | def _UpgradeConfig(self): |
2331 | 45f62156 | Bernardo Dal Seno | """Run any upgrade steps.
|
2332 | 76d5d3a3 | Iustin Pop |
|
2333 | 45f62156 | Bernardo Dal Seno | This method performs both in-object upgrades and also update some data
|
2334 | 45f62156 | Bernardo Dal Seno | elements that need uniqueness across the whole configuration or interact
|
2335 | 45f62156 | Bernardo Dal Seno | with other objects.
|
2336 | 76d5d3a3 | Iustin Pop |
|
2337 | 111c4e2f | Guido Trotter | @warning: this function will call L{_WriteConfig()}, but also
|
2338 | 111c4e2f | Guido Trotter | L{DropECReservations} so it needs to be called only from a
|
2339 | 111c4e2f | Guido Trotter | "safe" place (the constructor). If one wanted to call it with
|
2340 | 111c4e2f | Guido Trotter | the lock held, a DropECReservationUnlocked would need to be
|
2341 | 111c4e2f | Guido Trotter | created first, to avoid causing deadlock.
|
2342 | 76d5d3a3 | Iustin Pop |
|
2343 | 76d5d3a3 | Iustin Pop | """
|
2344 | 45f62156 | Bernardo Dal Seno | # Keep a copy of the persistent part of _config_data to check for changes
|
2345 | 45f62156 | Bernardo Dal Seno | # Serialization doesn't guarantee order in dictionaries
|
2346 | 45f62156 | Bernardo Dal Seno | oldconf = copy.deepcopy(self._config_data.ToDict())
|
2347 | 45f62156 | Bernardo Dal Seno | |
2348 | 45f62156 | Bernardo Dal Seno | # In-object upgrades
|
2349 | 45f62156 | Bernardo Dal Seno | self._config_data.UpgradeConfig()
|
2350 | 45f62156 | Bernardo Dal Seno | |
2351 | 76d5d3a3 | Iustin Pop | for item in self._AllUUIDObjects(): |
2352 | 76d5d3a3 | Iustin Pop | if item.uuid is None: |
2353 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(_UPGRADE_CONFIG_JID)
|
2354 | f9e81396 | Guido Trotter | if not self._config_data.nodegroups: |
2355 | 75cf411a | Adeodato Simo | default_nodegroup_name = constants.INITIAL_NODE_GROUP_NAME |
2356 | 75cf411a | Adeodato Simo | default_nodegroup = objects.NodeGroup(name=default_nodegroup_name, |
2357 | 75cf411a | Adeodato Simo | members=[]) |
2358 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(default_nodegroup, _UPGRADE_CONFIG_JID, True) |
2359 | 190e3cb6 | Guido Trotter | for node in self._config_data.nodes.values(): |
2360 | f936c153 | Iustin Pop | if not node.group: |
2361 | f936c153 | Iustin Pop | node.group = self.LookupNodeGroup(None) |
2362 | 190e3cb6 | Guido Trotter | # This is technically *not* an upgrade, but needs to be done both when
|
2363 | 190e3cb6 | Guido Trotter | # nodegroups are being added, and upon normally loading the config,
|
2364 | 190e3cb6 | Guido Trotter | # because the members list of a node group is discarded upon
|
2365 | 190e3cb6 | Guido Trotter | # serializing/deserializing the object.
|
2366 | 1c3231aa | Thomas Thrainer | self._UnlockedAddNodeToGroup(node.uuid, node.group)
|
2367 | 45f62156 | Bernardo Dal Seno | |
2368 | 45f62156 | Bernardo Dal Seno | modified = (oldconf != self._config_data.ToDict())
|
2369 | 76d5d3a3 | Iustin Pop | if modified:
|
2370 | 76d5d3a3 | Iustin Pop | self._WriteConfig()
|
2371 | 4fae38c5 | Guido Trotter | # This is ok even if it acquires the internal lock, as _UpgradeConfig is
|
2372 | 4fae38c5 | Guido Trotter | # only called at config init time, without the lock held
|
2373 | 4fae38c5 | Guido Trotter | self.DropECReservations(_UPGRADE_CONFIG_JID)
|
2374 | 04db1880 | Bernardo Dal Seno | else:
|
2375 | 04db1880 | Bernardo Dal Seno | config_errors = self._UnlockedVerifyConfig()
|
2376 | 04db1880 | Bernardo Dal Seno | if config_errors:
|
2377 | 04db1880 | Bernardo Dal Seno | errmsg = ("Loaded configuration data is not consistent: %s" %
|
2378 | 04db1880 | Bernardo Dal Seno | (utils.CommaJoin(config_errors))) |
2379 | 04db1880 | Bernardo Dal Seno | logging.critical(errmsg) |
2380 | 4fae38c5 | Guido Trotter | |
2381 | a4eae71f | Michael Hanselmann | def _DistributeConfig(self, feedback_fn): |
2382 | a8083063 | Iustin Pop | """Distribute the configuration to the other nodes.
|
2383 | a8083063 | Iustin Pop |
|
2384 | a8083063 | Iustin Pop | Currently, this only copies the configuration file. In the future,
|
2385 | a8083063 | Iustin Pop | it could be used to encapsulate the 2/3-phase update mechanism.
|
2386 | a8083063 | Iustin Pop |
|
2387 | a8083063 | Iustin Pop | """
|
2388 | a8083063 | Iustin Pop | if self._offline: |
2389 | a8083063 | Iustin Pop | return True |
2390 | a4eae71f | Michael Hanselmann | |
2391 | a8083063 | Iustin Pop | bad = False
|
2392 | a8083063 | Iustin Pop | |
2393 | 6a5b8b4b | Iustin Pop | node_list = [] |
2394 | 6a5b8b4b | Iustin Pop | addr_list = [] |
2395 | 6a5b8b4b | Iustin Pop | myhostname = self._my_hostname
|
2396 | 6b294c53 | Iustin Pop | # we can skip checking whether _UnlockedGetNodeInfo returns None
|
2397 | 6b294c53 | Iustin Pop | # since the node list comes from _UnlocketGetNodeList, and we are
|
2398 | 6b294c53 | Iustin Pop | # called with the lock held, so no modifications should take place
|
2399 | 6b294c53 | Iustin Pop | # in between
|
2400 | 1c3231aa | Thomas Thrainer | for node_uuid in self._UnlockedGetNodeList(): |
2401 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_uuid)
|
2402 | 1c3231aa | Thomas Thrainer | if node_info.name == myhostname or not node_info.master_candidate: |
2403 | 6a5b8b4b | Iustin Pop | continue
|
2404 | 6a5b8b4b | Iustin Pop | node_list.append(node_info.name) |
2405 | 6a5b8b4b | Iustin Pop | addr_list.append(node_info.primary_ip) |
2406 | 6b294c53 | Iustin Pop | |
2407 | 415a7304 | Michael Hanselmann | # TODO: Use dedicated resolver talking to config writer for name resolution
|
2408 | 415a7304 | Michael Hanselmann | result = \ |
2409 | b2acdbdc | Michael Hanselmann | self._GetRpc(addr_list).call_upload_file(node_list, self._cfg_file) |
2410 | 1b54fc6c | Guido Trotter | for to_node, to_result in result.items(): |
2411 | 3cebe102 | Michael Hanselmann | msg = to_result.fail_msg |
2412 | 1b54fc6c | Guido Trotter | if msg:
|
2413 | 1b54fc6c | Guido Trotter | msg = ("Copy of file %s to node %s failed: %s" %
|
2414 | dd7db360 | Iustin Pop | (self._cfg_file, to_node, msg))
|
2415 | 1b54fc6c | Guido Trotter | logging.error(msg) |
2416 | a4eae71f | Michael Hanselmann | |
2417 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
2418 | a4eae71f | Michael Hanselmann | feedback_fn(msg) |
2419 | a4eae71f | Michael Hanselmann | |
2420 | a8083063 | Iustin Pop | bad = True
|
2421 | a4eae71f | Michael Hanselmann | |
2422 | a8083063 | Iustin Pop | return not bad |
2423 | a8083063 | Iustin Pop | |
2424 | a4eae71f | Michael Hanselmann | def _WriteConfig(self, destination=None, feedback_fn=None): |
2425 | a8083063 | Iustin Pop | """Write the configuration data to persistent storage.
|
2426 | a8083063 | Iustin Pop |
|
2427 | a8083063 | Iustin Pop | """
|
2428 | a4eae71f | Michael Hanselmann | assert feedback_fn is None or callable(feedback_fn) |
2429 | a4eae71f | Michael Hanselmann | |
2430 | d2231b8c | Iustin Pop | # Warn on config errors, but don't abort the save - the
|
2431 | d2231b8c | Iustin Pop | # configuration has already been modified, and we can't revert;
|
2432 | d2231b8c | Iustin Pop | # the best we can do is to warn the user and save as is, leaving
|
2433 | d2231b8c | Iustin Pop | # recovery to the user
|
2434 | 4a89c54a | Iustin Pop | config_errors = self._UnlockedVerifyConfig()
|
2435 | 4a89c54a | Iustin Pop | if config_errors:
|
2436 | d2231b8c | Iustin Pop | errmsg = ("Configuration data is not consistent: %s" %
|
2437 | 1f864b60 | Iustin Pop | (utils.CommaJoin(config_errors))) |
2438 | d2231b8c | Iustin Pop | logging.critical(errmsg) |
2439 | d2231b8c | Iustin Pop | if feedback_fn:
|
2440 | d2231b8c | Iustin Pop | feedback_fn(errmsg) |
2441 | d2231b8c | Iustin Pop | |
2442 | a8083063 | Iustin Pop | if destination is None: |
2443 | a8083063 | Iustin Pop | destination = self._cfg_file
|
2444 | a8083063 | Iustin Pop | self._BumpSerialNo()
|
2445 | 8d14b30d | Iustin Pop | txt = serializer.Dump(self._config_data.ToDict())
|
2446 | 13998ef2 | Michael Hanselmann | |
2447 | e60c73a1 | René Nussbaumer | getents = self._getents()
|
2448 | bd407597 | Iustin Pop | try:
|
2449 | bd407597 | Iustin Pop | fd = utils.SafeWriteFile(destination, self._cfg_id, data=txt,
|
2450 | bd407597 | Iustin Pop | close=False, gid=getents.confd_gid, mode=0640) |
2451 | bd407597 | Iustin Pop | except errors.LockError:
|
2452 | bd407597 | Iustin Pop | raise errors.ConfigurationError("The configuration file has been" |
2453 | bd407597 | Iustin Pop | " modified since the last write, cannot"
|
2454 | bd407597 | Iustin Pop | " update")
|
2455 | bd407597 | Iustin Pop | try:
|
2456 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(fd=fd)
|
2457 | bd407597 | Iustin Pop | finally:
|
2458 | bd407597 | Iustin Pop | os.close(fd) |
2459 | 13998ef2 | Michael Hanselmann | |
2460 | 14e15659 | Iustin Pop | self.write_count += 1 |
2461 | 3d3a04bc | Iustin Pop | |
2462 | f56618e0 | Iustin Pop | # and redistribute the config file to master candidates
|
2463 | a4eae71f | Michael Hanselmann | self._DistributeConfig(feedback_fn)
|
2464 | a8083063 | Iustin Pop | |
2465 | 54d1a06e | Michael Hanselmann | # Write ssconf files on all nodes (including locally)
|
2466 | 0779e3aa | Iustin Pop | if self._last_cluster_serial < self._config_data.cluster.serial_no: |
2467 | d9a855f1 | Michael Hanselmann | if not self._offline: |
2468 | b2acdbdc | Michael Hanselmann | result = self._GetRpc(None).call_write_ssconf_files( |
2469 | 1c3231aa | Thomas Thrainer | self._UnlockedGetNodeNames(self._UnlockedGetOnlineNodeList()), |
2470 | e1e75d00 | Iustin Pop | self._UnlockedGetSsconfValues())
|
2471 | a4eae71f | Michael Hanselmann | |
2472 | e1e75d00 | Iustin Pop | for nname, nresu in result.items(): |
2473 | 3cebe102 | Michael Hanselmann | msg = nresu.fail_msg |
2474 | e1e75d00 | Iustin Pop | if msg:
|
2475 | a4eae71f | Michael Hanselmann | errmsg = ("Error while uploading ssconf files to"
|
2476 | a4eae71f | Michael Hanselmann | " node %s: %s" % (nname, msg))
|
2477 | a4eae71f | Michael Hanselmann | logging.warning(errmsg) |
2478 | a4eae71f | Michael Hanselmann | |
2479 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
2480 | a4eae71f | Michael Hanselmann | feedback_fn(errmsg) |
2481 | a4eae71f | Michael Hanselmann | |
2482 | 0779e3aa | Iustin Pop | self._last_cluster_serial = self._config_data.cluster.serial_no |
2483 | 54d1a06e | Michael Hanselmann | |
2484 | def6577f | Helga Velroyen | def _GetAllHvparamsStrings(self, hypervisors): |
2485 | def6577f | Helga Velroyen | """Get the hvparams of all given hypervisors from the config.
|
2486 | def6577f | Helga Velroyen |
|
2487 | def6577f | Helga Velroyen | @type hypervisors: list of string
|
2488 | def6577f | Helga Velroyen | @param hypervisors: list of hypervisor names
|
2489 | def6577f | Helga Velroyen | @rtype: dict of strings
|
2490 | def6577f | Helga Velroyen | @returns: dictionary mapping the hypervisor name to a string representation
|
2491 | def6577f | Helga Velroyen | of the hypervisor's hvparams
|
2492 | def6577f | Helga Velroyen |
|
2493 | def6577f | Helga Velroyen | """
|
2494 | def6577f | Helga Velroyen | hvparams = {} |
2495 | def6577f | Helga Velroyen | for hv in hypervisors: |
2496 | def6577f | Helga Velroyen | hvparams[hv] = self._UnlockedGetHvparamsString(hv)
|
2497 | def6577f | Helga Velroyen | return hvparams
|
2498 | def6577f | Helga Velroyen | |
2499 | def6577f | Helga Velroyen | @staticmethod
|
2500 | def6577f | Helga Velroyen | def _ExtendByAllHvparamsStrings(ssconf_values, all_hvparams): |
2501 | def6577f | Helga Velroyen | """Extends the ssconf_values dictionary by hvparams.
|
2502 | def6577f | Helga Velroyen |
|
2503 | def6577f | Helga Velroyen | @type ssconf_values: dict of strings
|
2504 | def6577f | Helga Velroyen | @param ssconf_values: dictionary mapping ssconf_keys to strings
|
2505 | def6577f | Helga Velroyen | representing the content of ssconf files
|
2506 | def6577f | Helga Velroyen | @type all_hvparams: dict of strings
|
2507 | def6577f | Helga Velroyen | @param all_hvparams: dictionary mapping hypervisor names to a string
|
2508 | def6577f | Helga Velroyen | representation of their hvparams
|
2509 | def6577f | Helga Velroyen | @rtype: same as ssconf_values
|
2510 | def6577f | Helga Velroyen | @returns: the ssconf_values dictionary extended by hvparams
|
2511 | def6577f | Helga Velroyen |
|
2512 | def6577f | Helga Velroyen | """
|
2513 | def6577f | Helga Velroyen | for hv in all_hvparams: |
2514 | def6577f | Helga Velroyen | ssconf_key = constants.SS_HVPARAMS_PREF + hv |
2515 | def6577f | Helga Velroyen | ssconf_values[ssconf_key] = all_hvparams[hv] |
2516 | def6577f | Helga Velroyen | return ssconf_values
|
2517 | def6577f | Helga Velroyen | |
2518 | 03d1dba2 | Michael Hanselmann | def _UnlockedGetSsconfValues(self): |
2519 | 054596f0 | Iustin Pop | """Return the values needed by ssconf.
|
2520 | 054596f0 | Iustin Pop |
|
2521 | 054596f0 | Iustin Pop | @rtype: dict
|
2522 | 054596f0 | Iustin Pop | @return: a dictionary with keys the ssconf names and values their
|
2523 | 054596f0 | Iustin Pop | associated value
|
2524 | 054596f0 | Iustin Pop |
|
2525 | 054596f0 | Iustin Pop | """
|
2526 | a3316e4a | Iustin Pop | fn = "\n".join
|
2527 | da4a52a3 | Thomas Thrainer | instance_names = utils.NiceSort( |
2528 | da4a52a3 | Thomas Thrainer | [inst.name for inst in |
2529 | da4a52a3 | Thomas Thrainer | self._UnlockedGetAllInstancesInfo().values()])
|
2530 | 1c3231aa | Thomas Thrainer | node_infos = self._UnlockedGetAllNodesInfo().values()
|
2531 | 1c3231aa | Thomas Thrainer | node_names = [node.name for node in node_infos] |
2532 | c3029d0a | Luca Bigliardi | node_pri_ips = ["%s %s" % (ninfo.name, ninfo.primary_ip)
|
2533 | 1c3231aa | Thomas Thrainer | for ninfo in node_infos] |
2534 | c3029d0a | Luca Bigliardi | node_snd_ips = ["%s %s" % (ninfo.name, ninfo.secondary_ip)
|
2535 | 1c3231aa | Thomas Thrainer | for ninfo in node_infos] |
2536 | a3316e4a | Iustin Pop | |
2537 | 81a49123 | Iustin Pop | instance_data = fn(instance_names) |
2538 | 1c3231aa | Thomas Thrainer | off_data = fn(node.name for node in node_infos if node.offline) |
2539 | 1c3231aa | Thomas Thrainer | on_data = fn(node.name for node in node_infos if not node.offline) |
2540 | 1c3231aa | Thomas Thrainer | mc_data = fn(node.name for node in node_infos if node.master_candidate) |
2541 | 1c3231aa | Thomas Thrainer | mc_ips_data = fn(node.primary_ip for node in node_infos |
2542 | 8113a52e | Luca Bigliardi | if node.master_candidate)
|
2543 | a3316e4a | Iustin Pop | node_data = fn(node_names) |
2544 | f9780ccd | Luca Bigliardi | node_pri_ips_data = fn(node_pri_ips) |
2545 | f9780ccd | Luca Bigliardi | node_snd_ips_data = fn(node_snd_ips) |
2546 | f56618e0 | Iustin Pop | |
2547 | 054596f0 | Iustin Pop | cluster = self._config_data.cluster
|
2548 | 5d60b3bd | Iustin Pop | cluster_tags = fn(cluster.GetTags()) |
2549 | 4f7a6a10 | Iustin Pop | |
2550 | 4f7a6a10 | Iustin Pop | hypervisor_list = fn(cluster.enabled_hypervisors) |
2551 | def6577f | Helga Velroyen | all_hvparams = self._GetAllHvparamsStrings(constants.HYPER_TYPES)
|
2552 | 4f7a6a10 | Iustin Pop | |
2553 | 0fbae49a | Balazs Lecz | uid_pool = uidpool.FormatUidPool(cluster.uid_pool, separator="\n")
|
2554 | 0fbae49a | Balazs Lecz | |
2555 | 6f076453 | Guido Trotter | nodegroups = ["%s %s" % (nodegroup.uuid, nodegroup.name) for nodegroup in |
2556 | 6f076453 | Guido Trotter | self._config_data.nodegroups.values()]
|
2557 | 6f076453 | Guido Trotter | nodegroups_data = fn(utils.NiceSort(nodegroups)) |
2558 | 6c0a75db | Dimitris Aragiorgis | networks = ["%s %s" % (net.uuid, net.name) for net in |
2559 | 6c0a75db | Dimitris Aragiorgis | self._config_data.networks.values()]
|
2560 | 6c0a75db | Dimitris Aragiorgis | networks_data = fn(utils.NiceSort(networks)) |
2561 | 6f076453 | Guido Trotter | |
2562 | 2afc9238 | Iustin Pop | ssconf_values = { |
2563 | 054596f0 | Iustin Pop | constants.SS_CLUSTER_NAME: cluster.cluster_name, |
2564 | 5d60b3bd | Iustin Pop | constants.SS_CLUSTER_TAGS: cluster_tags, |
2565 | 054596f0 | Iustin Pop | constants.SS_FILE_STORAGE_DIR: cluster.file_storage_dir, |
2566 | 4b97f902 | Apollon Oikonomopoulos | constants.SS_SHARED_FILE_STORAGE_DIR: cluster.shared_file_storage_dir, |
2567 | a3316e4a | Iustin Pop | constants.SS_MASTER_CANDIDATES: mc_data, |
2568 | 8113a52e | Luca Bigliardi | constants.SS_MASTER_CANDIDATES_IPS: mc_ips_data, |
2569 | 054596f0 | Iustin Pop | constants.SS_MASTER_IP: cluster.master_ip, |
2570 | 054596f0 | Iustin Pop | constants.SS_MASTER_NETDEV: cluster.master_netdev, |
2571 | 5a8648eb | Andrea Spadaccini | constants.SS_MASTER_NETMASK: str(cluster.master_netmask),
|
2572 | 1c3231aa | Thomas Thrainer | constants.SS_MASTER_NODE: self._UnlockedGetNodeName(cluster.master_node),
|
2573 | a3316e4a | Iustin Pop | constants.SS_NODE_LIST: node_data, |
2574 | f9780ccd | Luca Bigliardi | constants.SS_NODE_PRIMARY_IPS: node_pri_ips_data, |
2575 | f9780ccd | Luca Bigliardi | constants.SS_NODE_SECONDARY_IPS: node_snd_ips_data, |
2576 | a3316e4a | Iustin Pop | constants.SS_OFFLINE_NODES: off_data, |
2577 | 81a49123 | Iustin Pop | constants.SS_ONLINE_NODES: on_data, |
2578 | 868a98ca | Manuel Franceschini | constants.SS_PRIMARY_IP_FAMILY: str(cluster.primary_ip_family),
|
2579 | 81a49123 | Iustin Pop | constants.SS_INSTANCE_LIST: instance_data, |
2580 | 8a113c7a | Iustin Pop | constants.SS_RELEASE_VERSION: constants.RELEASE_VERSION, |
2581 | 4f7a6a10 | Iustin Pop | constants.SS_HYPERVISOR_LIST: hypervisor_list, |
2582 | 5c465a95 | Iustin Pop | constants.SS_MAINTAIN_NODE_HEALTH: str(cluster.maintain_node_health),
|
2583 | 0fbae49a | Balazs Lecz | constants.SS_UID_POOL: uid_pool, |
2584 | 6f076453 | Guido Trotter | constants.SS_NODEGROUPS: nodegroups_data, |
2585 | 6c0a75db | Dimitris Aragiorgis | constants.SS_NETWORKS: networks_data, |
2586 | 03d1dba2 | Michael Hanselmann | } |
2587 | def6577f | Helga Velroyen | ssconf_values = self._ExtendByAllHvparamsStrings(ssconf_values,
|
2588 | def6577f | Helga Velroyen | all_hvparams) |
2589 | 2afc9238 | Iustin Pop | bad_values = [(k, v) for k, v in ssconf_values.items() |
2590 | 2afc9238 | Iustin Pop | if not isinstance(v, (str, basestring))] |
2591 | 2afc9238 | Iustin Pop | if bad_values:
|
2592 | 2afc9238 | Iustin Pop | err = utils.CommaJoin("%s=%s" % (k, v) for k, v in bad_values) |
2593 | 2afc9238 | Iustin Pop | raise errors.ConfigurationError("Some ssconf key(s) have non-string" |
2594 | 2afc9238 | Iustin Pop | " values: %s" % err)
|
2595 | 2afc9238 | Iustin Pop | return ssconf_values
|
2596 | 03d1dba2 | Michael Hanselmann | |
2597 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2598 | d367b66c | Manuel Franceschini | def GetSsconfValues(self): |
2599 | d367b66c | Manuel Franceschini | """Wrapper using lock around _UnlockedGetSsconf().
|
2600 | d367b66c | Manuel Franceschini |
|
2601 | d367b66c | Manuel Franceschini | """
|
2602 | d367b66c | Manuel Franceschini | return self._UnlockedGetSsconfValues() |
2603 | d367b66c | Manuel Franceschini | |
2604 | d367b66c | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
2605 | a8083063 | Iustin Pop | def GetVGName(self): |
2606 | a8083063 | Iustin Pop | """Return the volume group name.
|
2607 | a8083063 | Iustin Pop |
|
2608 | a8083063 | Iustin Pop | """
|
2609 | a8083063 | Iustin Pop | return self._config_data.cluster.volume_group_name |
2610 | a8083063 | Iustin Pop | |
2611 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2612 | 89ff8e15 | Manuel Franceschini | def SetVGName(self, vg_name): |
2613 | 89ff8e15 | Manuel Franceschini | """Set the volume group name.
|
2614 | 89ff8e15 | Manuel Franceschini |
|
2615 | 89ff8e15 | Manuel Franceschini | """
|
2616 | 2d4011cd | Manuel Franceschini | self._config_data.cluster.volume_group_name = vg_name
|
2617 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2618 | 89ff8e15 | Manuel Franceschini | self._WriteConfig()
|
2619 | 89ff8e15 | Manuel Franceschini | |
2620 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2621 | 9e33896b | Luca Bigliardi | def GetDRBDHelper(self): |
2622 | 9e33896b | Luca Bigliardi | """Return DRBD usermode helper.
|
2623 | 9e33896b | Luca Bigliardi |
|
2624 | 9e33896b | Luca Bigliardi | """
|
2625 | 9e33896b | Luca Bigliardi | return self._config_data.cluster.drbd_usermode_helper |
2626 | 9e33896b | Luca Bigliardi | |
2627 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock)
|
2628 | 9e33896b | Luca Bigliardi | def SetDRBDHelper(self, drbd_helper): |
2629 | 9e33896b | Luca Bigliardi | """Set DRBD usermode helper.
|
2630 | 9e33896b | Luca Bigliardi |
|
2631 | 9e33896b | Luca Bigliardi | """
|
2632 | 9e33896b | Luca Bigliardi | self._config_data.cluster.drbd_usermode_helper = drbd_helper
|
2633 | 9e33896b | Luca Bigliardi | self._config_data.cluster.serial_no += 1 |
2634 | 9e33896b | Luca Bigliardi | self._WriteConfig()
|
2635 | 9e33896b | Luca Bigliardi | |
2636 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2637 | a8083063 | Iustin Pop | def GetMACPrefix(self): |
2638 | a8083063 | Iustin Pop | """Return the mac prefix.
|
2639 | a8083063 | Iustin Pop |
|
2640 | a8083063 | Iustin Pop | """
|
2641 | a8083063 | Iustin Pop | return self._config_data.cluster.mac_prefix |
2642 | 62779dd0 | Iustin Pop | |
2643 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2644 | 62779dd0 | Iustin Pop | def GetClusterInfo(self): |
2645 | 5bbd3f7f | Michael Hanselmann | """Returns information about the cluster
|
2646 | 62779dd0 | Iustin Pop |
|
2647 | c41eea6e | Iustin Pop | @rtype: L{objects.Cluster}
|
2648 | c41eea6e | Iustin Pop | @return: the cluster object
|
2649 | 62779dd0 | Iustin Pop |
|
2650 | 62779dd0 | Iustin Pop | """
|
2651 | 62779dd0 | Iustin Pop | return self._config_data.cluster |
2652 | e00fb268 | Iustin Pop | |
2653 | 51cb1581 | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2654 | 51cb1581 | Luca Bigliardi | def HasAnyDiskOfType(self, dev_type): |
2655 | 51cb1581 | Luca Bigliardi | """Check if in there is at disk of the given type in the configuration.
|
2656 | 51cb1581 | Luca Bigliardi |
|
2657 | 51cb1581 | Luca Bigliardi | """
|
2658 | 51cb1581 | Luca Bigliardi | return self._config_data.HasAnyDiskOfType(dev_type) |
2659 | 51cb1581 | Luca Bigliardi | |
2660 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2661 | d1547283 | Dimitris Aragiorgis | def Update(self, target, feedback_fn, ec_id=None): |
2662 | e00fb268 | Iustin Pop | """Notify function to be called after updates.
|
2663 | e00fb268 | Iustin Pop |
|
2664 | e00fb268 | Iustin Pop | This function must be called when an object (as returned by
|
2665 | e00fb268 | Iustin Pop | GetInstanceInfo, GetNodeInfo, GetCluster) has been updated and the
|
2666 | e00fb268 | Iustin Pop | caller wants the modifications saved to the backing store. Note
|
2667 | e00fb268 | Iustin Pop | that all modified objects will be saved, but the target argument
|
2668 | e00fb268 | Iustin Pop | is the one the caller wants to ensure that it's saved.
|
2669 | e00fb268 | Iustin Pop |
|
2670 | c41eea6e | Iustin Pop | @param target: an instance of either L{objects.Cluster},
|
2671 | c41eea6e | Iustin Pop | L{objects.Node} or L{objects.Instance} which is existing in
|
2672 | c41eea6e | Iustin Pop | the cluster
|
2673 | a4eae71f | Michael Hanselmann | @param feedback_fn: Callable feedback function
|
2674 | c41eea6e | Iustin Pop |
|
2675 | e00fb268 | Iustin Pop | """
|
2676 | e00fb268 | Iustin Pop | if self._config_data is None: |
2677 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Configuration file not read," |
2678 | 3ecf6786 | Iustin Pop | " cannot save.")
|
2679 | f34901f8 | Iustin Pop | update_serial = False
|
2680 | e00fb268 | Iustin Pop | if isinstance(target, objects.Cluster): |
2681 | e00fb268 | Iustin Pop | test = target == self._config_data.cluster
|
2682 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Node): |
2683 | e00fb268 | Iustin Pop | test = target in self._config_data.nodes.values() |
2684 | f34901f8 | Iustin Pop | update_serial = True
|
2685 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Instance): |
2686 | e00fb268 | Iustin Pop | test = target in self._config_data.instances.values() |
2687 | e11a1b77 | Adeodato Simo | elif isinstance(target, objects.NodeGroup): |
2688 | e11a1b77 | Adeodato Simo | test = target in self._config_data.nodegroups.values() |
2689 | 1e0d3321 | Dimitris Aragiorgis | elif isinstance(target, objects.Network): |
2690 | 1e0d3321 | Dimitris Aragiorgis | test = target in self._config_data.networks.values() |
2691 | e00fb268 | Iustin Pop | else:
|
2692 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid object type (%s) passed to" |
2693 | 3ecf6786 | Iustin Pop | " ConfigWriter.Update" % type(target)) |
2694 | e00fb268 | Iustin Pop | if not test: |
2695 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Configuration updated since object" |
2696 | 3ecf6786 | Iustin Pop | " has been read or unknown object")
|
2697 | f34901f8 | Iustin Pop | target.serial_no += 1
|
2698 | d693c864 | Iustin Pop | target.mtime = now = time.time() |
2699 | f34901f8 | Iustin Pop | |
2700 | cff4c037 | Iustin Pop | if update_serial:
|
2701 | f34901f8 | Iustin Pop | # for node updates, we need to increase the cluster serial too
|
2702 | f34901f8 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2703 | d693c864 | Iustin Pop | self._config_data.cluster.mtime = now
|
2704 | b989e85d | Iustin Pop | |
2705 | 61cf6b5e | Iustin Pop | if isinstance(target, objects.Instance): |
2706 | da4a52a3 | Thomas Thrainer | self._UnlockedReleaseDRBDMinors(target.uuid)
|
2707 | 61cf6b5e | Iustin Pop | |
2708 | d1547283 | Dimitris Aragiorgis | if ec_id is not None: |
2709 | d1547283 | Dimitris Aragiorgis | # Commit all ips reserved by OpInstanceSetParams and OpGroupSetParams
|
2710 | d1547283 | Dimitris Aragiorgis | self._UnlockedCommitTemporaryIps(ec_id)
|
2711 | d1547283 | Dimitris Aragiorgis | |
2712 | a4eae71f | Michael Hanselmann | self._WriteConfig(feedback_fn=feedback_fn)
|
2713 | 73064714 | Guido Trotter | |
2714 | 73064714 | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2715 | 73064714 | Guido Trotter | def DropECReservations(self, ec_id): |
2716 | 73064714 | Guido Trotter | """Drop per-execution-context reservations
|
2717 | 73064714 | Guido Trotter |
|
2718 | 73064714 | Guido Trotter | """
|
2719 | d8aee57e | Iustin Pop | for rm in self._all_rms: |
2720 | d8aee57e | Iustin Pop | rm.DropECReservations(ec_id) |
2721 | 6c0a75db | Dimitris Aragiorgis | |
2722 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2723 | 6c0a75db | Dimitris Aragiorgis | def GetAllNetworksInfo(self): |
2724 | 6a94d553 | Dimitris Aragiorgis | """Get configuration info of all the networks.
|
2725 | 6c0a75db | Dimitris Aragiorgis |
|
2726 | 6c0a75db | Dimitris Aragiorgis | """
|
2727 | 6c0a75db | Dimitris Aragiorgis | return dict(self._config_data.networks) |
2728 | 6c0a75db | Dimitris Aragiorgis | |
2729 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedGetNetworkList(self): |
2730 | 6c0a75db | Dimitris Aragiorgis | """Get the list of networks.
|
2731 | 6c0a75db | Dimitris Aragiorgis |
|
2732 | 6c0a75db | Dimitris Aragiorgis | This function is for internal use, when the config lock is already held.
|
2733 | 6c0a75db | Dimitris Aragiorgis |
|
2734 | 6c0a75db | Dimitris Aragiorgis | """
|
2735 | 6c0a75db | Dimitris Aragiorgis | return self._config_data.networks.keys() |
2736 | 6c0a75db | Dimitris Aragiorgis | |
2737 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2738 | 6c0a75db | Dimitris Aragiorgis | def GetNetworkList(self): |
2739 | 6c0a75db | Dimitris Aragiorgis | """Get the list of networks.
|
2740 | 6c0a75db | Dimitris Aragiorgis |
|
2741 | 6c0a75db | Dimitris Aragiorgis | @return: array of networks, ex. ["main", "vlan100", "200]
|
2742 | 6c0a75db | Dimitris Aragiorgis |
|
2743 | 6c0a75db | Dimitris Aragiorgis | """
|
2744 | 6c0a75db | Dimitris Aragiorgis | return self._UnlockedGetNetworkList() |
2745 | 6c0a75db | Dimitris Aragiorgis | |
2746 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2747 | 6c0a75db | Dimitris Aragiorgis | def GetNetworkNames(self): |
2748 | 6c0a75db | Dimitris Aragiorgis | """Get a list of network names
|
2749 | 6c0a75db | Dimitris Aragiorgis |
|
2750 | 6c0a75db | Dimitris Aragiorgis | """
|
2751 | beb81ea5 | Dimitris Aragiorgis | names = [net.name |
2752 | beb81ea5 | Dimitris Aragiorgis | for net in self._config_data.networks.values()] |
2753 | 6c0a75db | Dimitris Aragiorgis | return names
|
2754 | 6c0a75db | Dimitris Aragiorgis | |
2755 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedGetNetwork(self, uuid): |
2756 | 6c0a75db | Dimitris Aragiorgis | """Returns information about a network.
|
2757 | 6c0a75db | Dimitris Aragiorgis |
|
2758 | 6c0a75db | Dimitris Aragiorgis | This function is for internal use, when the config lock is already held.
|
2759 | 6c0a75db | Dimitris Aragiorgis |
|
2760 | 6c0a75db | Dimitris Aragiorgis | """
|
2761 | 6c0a75db | Dimitris Aragiorgis | if uuid not in self._config_data.networks: |
2762 | 6c0a75db | Dimitris Aragiorgis | return None |
2763 | 6c0a75db | Dimitris Aragiorgis | |
2764 | 6c0a75db | Dimitris Aragiorgis | return self._config_data.networks[uuid] |
2765 | 6c0a75db | Dimitris Aragiorgis | |
2766 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2767 | 6c0a75db | Dimitris Aragiorgis | def GetNetwork(self, uuid): |
2768 | 6c0a75db | Dimitris Aragiorgis | """Returns information about a network.
|
2769 | 6c0a75db | Dimitris Aragiorgis |
|
2770 | 6c0a75db | Dimitris Aragiorgis | It takes the information from the configuration file.
|
2771 | 6c0a75db | Dimitris Aragiorgis |
|
2772 | 6c0a75db | Dimitris Aragiorgis | @param uuid: UUID of the network
|
2773 | 6c0a75db | Dimitris Aragiorgis |
|
2774 | 6c0a75db | Dimitris Aragiorgis | @rtype: L{objects.Network}
|
2775 | 6c0a75db | Dimitris Aragiorgis | @return: the network object
|
2776 | 6c0a75db | Dimitris Aragiorgis |
|
2777 | 6c0a75db | Dimitris Aragiorgis | """
|
2778 | 6c0a75db | Dimitris Aragiorgis | return self._UnlockedGetNetwork(uuid) |
2779 | 6c0a75db | Dimitris Aragiorgis | |
2780 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock)
|
2781 | 6c0a75db | Dimitris Aragiorgis | def AddNetwork(self, net, ec_id, check_uuid=True): |
2782 | 6c0a75db | Dimitris Aragiorgis | """Add a network to the configuration.
|
2783 | 6c0a75db | Dimitris Aragiorgis |
|
2784 | 6c0a75db | Dimitris Aragiorgis | @type net: L{objects.Network}
|
2785 | 6c0a75db | Dimitris Aragiorgis | @param net: the Network object to add
|
2786 | 6c0a75db | Dimitris Aragiorgis | @type ec_id: string
|
2787 | 6c0a75db | Dimitris Aragiorgis | @param ec_id: unique id for the job to use when creating a missing UUID
|
2788 | 6c0a75db | Dimitris Aragiorgis |
|
2789 | 6c0a75db | Dimitris Aragiorgis | """
|
2790 | 6c0a75db | Dimitris Aragiorgis | self._UnlockedAddNetwork(net, ec_id, check_uuid)
|
2791 | 6c0a75db | Dimitris Aragiorgis | self._WriteConfig()
|
2792 | 6c0a75db | Dimitris Aragiorgis | |
2793 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedAddNetwork(self, net, ec_id, check_uuid): |
2794 | 6c0a75db | Dimitris Aragiorgis | """Add a network to the configuration.
|
2795 | 6c0a75db | Dimitris Aragiorgis |
|
2796 | 6c0a75db | Dimitris Aragiorgis | """
|
2797 | 6c0a75db | Dimitris Aragiorgis | logging.info("Adding network %s to configuration", net.name)
|
2798 | 6c0a75db | Dimitris Aragiorgis | |
2799 | 6c0a75db | Dimitris Aragiorgis | if check_uuid:
|
2800 | 6c0a75db | Dimitris Aragiorgis | self._EnsureUUID(net, ec_id)
|
2801 | 6c0a75db | Dimitris Aragiorgis | |
2802 | 6c0a75db | Dimitris Aragiorgis | net.serial_no = 1
|
2803 | 6c0a75db | Dimitris Aragiorgis | self._config_data.networks[net.uuid] = net
|
2804 | 6c0a75db | Dimitris Aragiorgis | self._config_data.cluster.serial_no += 1 |
2805 | 6c0a75db | Dimitris Aragiorgis | |
2806 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedLookupNetwork(self, target): |
2807 | 6c0a75db | Dimitris Aragiorgis | """Lookup a network's UUID.
|
2808 | 6c0a75db | Dimitris Aragiorgis |
|
2809 | 6c0a75db | Dimitris Aragiorgis | @type target: string
|
2810 | 6c0a75db | Dimitris Aragiorgis | @param target: network name or UUID
|
2811 | 6c0a75db | Dimitris Aragiorgis | @rtype: string
|
2812 | 6c0a75db | Dimitris Aragiorgis | @return: network UUID
|
2813 | 6c0a75db | Dimitris Aragiorgis | @raises errors.OpPrereqError: when the target network cannot be found
|
2814 | 6c0a75db | Dimitris Aragiorgis |
|
2815 | 6c0a75db | Dimitris Aragiorgis | """
|
2816 | 9394f4d1 | Dimitris Aragiorgis | if target is None: |
2817 | 9394f4d1 | Dimitris Aragiorgis | return None |
2818 | 6c0a75db | Dimitris Aragiorgis | if target in self._config_data.networks: |
2819 | 6c0a75db | Dimitris Aragiorgis | return target
|
2820 | 6c0a75db | Dimitris Aragiorgis | for net in self._config_data.networks.values(): |
2821 | 6c0a75db | Dimitris Aragiorgis | if net.name == target:
|
2822 | 6c0a75db | Dimitris Aragiorgis | return net.uuid
|
2823 | 1b68f268 | Helga Velroyen | raise errors.OpPrereqError("Network '%s' not found" % target, |
2824 | 1b68f268 | Helga Velroyen | errors.ECODE_NOENT) |
2825 | 6c0a75db | Dimitris Aragiorgis | |
2826 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2827 | 6c0a75db | Dimitris Aragiorgis | def LookupNetwork(self, target): |
2828 | 6c0a75db | Dimitris Aragiorgis | """Lookup a network's UUID.
|
2829 | 6c0a75db | Dimitris Aragiorgis |
|
2830 | 6c0a75db | Dimitris Aragiorgis | This function is just a wrapper over L{_UnlockedLookupNetwork}.
|
2831 | 6c0a75db | Dimitris Aragiorgis |
|
2832 | 6c0a75db | Dimitris Aragiorgis | @type target: string
|
2833 | 6c0a75db | Dimitris Aragiorgis | @param target: network name or UUID
|
2834 | 6c0a75db | Dimitris Aragiorgis | @rtype: string
|
2835 | 6c0a75db | Dimitris Aragiorgis | @return: network UUID
|
2836 | 6c0a75db | Dimitris Aragiorgis |
|
2837 | 6c0a75db | Dimitris Aragiorgis | """
|
2838 | 6c0a75db | Dimitris Aragiorgis | return self._UnlockedLookupNetwork(target) |
2839 | 6c0a75db | Dimitris Aragiorgis | |
2840 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock)
|
2841 | 6c0a75db | Dimitris Aragiorgis | def RemoveNetwork(self, network_uuid): |
2842 | 6c0a75db | Dimitris Aragiorgis | """Remove a network from the configuration.
|
2843 | 6c0a75db | Dimitris Aragiorgis |
|
2844 | 6c0a75db | Dimitris Aragiorgis | @type network_uuid: string
|
2845 | 6c0a75db | Dimitris Aragiorgis | @param network_uuid: the UUID of the network to remove
|
2846 | 6c0a75db | Dimitris Aragiorgis |
|
2847 | 6c0a75db | Dimitris Aragiorgis | """
|
2848 | 6c0a75db | Dimitris Aragiorgis | logging.info("Removing network %s from configuration", network_uuid)
|
2849 | 6c0a75db | Dimitris Aragiorgis | |
2850 | 6c0a75db | Dimitris Aragiorgis | if network_uuid not in self._config_data.networks: |
2851 | 6c0a75db | Dimitris Aragiorgis | raise errors.ConfigurationError("Unknown network '%s'" % network_uuid) |
2852 | 6c0a75db | Dimitris Aragiorgis | |
2853 | 6c0a75db | Dimitris Aragiorgis | del self._config_data.networks[network_uuid] |
2854 | 6c0a75db | Dimitris Aragiorgis | self._config_data.cluster.serial_no += 1 |
2855 | 6c0a75db | Dimitris Aragiorgis | self._WriteConfig()
|
2856 | ad4a9ae7 | Dimitris Aragiorgis | |
2857 | 1c3231aa | Thomas Thrainer | def _UnlockedGetGroupNetParams(self, net_uuid, node_uuid): |
2858 | ad4a9ae7 | Dimitris Aragiorgis | """Get the netparams (mode, link) of a network.
|
2859 | ad4a9ae7 | Dimitris Aragiorgis |
|
2860 | ad4a9ae7 | Dimitris Aragiorgis | Get a network's netparams for a given node.
|
2861 | ad4a9ae7 | Dimitris Aragiorgis |
|
2862 | 9ccacbc8 | Dimitris Aragiorgis | @type net_uuid: string
|
2863 | 9ccacbc8 | Dimitris Aragiorgis | @param net_uuid: network uuid
|
2864 | 1c3231aa | Thomas Thrainer | @type node_uuid: string
|
2865 | 1c3231aa | Thomas Thrainer | @param node_uuid: node UUID
|
2866 | ad4a9ae7 | Dimitris Aragiorgis | @rtype: dict or None
|
2867 | ad4a9ae7 | Dimitris Aragiorgis | @return: netparams
|
2868 | ad4a9ae7 | Dimitris Aragiorgis |
|
2869 | ad4a9ae7 | Dimitris Aragiorgis | """
|
2870 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_uuid)
|
2871 | ad4a9ae7 | Dimitris Aragiorgis | nodegroup_info = self._UnlockedGetNodeGroup(node_info.group)
|
2872 | ad4a9ae7 | Dimitris Aragiorgis | netparams = nodegroup_info.networks.get(net_uuid, None)
|
2873 | ad4a9ae7 | Dimitris Aragiorgis | |
2874 | ad4a9ae7 | Dimitris Aragiorgis | return netparams
|
2875 | ad4a9ae7 | Dimitris Aragiorgis | |
2876 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2877 | 1c3231aa | Thomas Thrainer | def GetGroupNetParams(self, net_uuid, node_uuid): |
2878 | ad4a9ae7 | Dimitris Aragiorgis | """Locking wrapper of _UnlockedGetGroupNetParams()
|
2879 | ad4a9ae7 | Dimitris Aragiorgis |
|
2880 | ad4a9ae7 | Dimitris Aragiorgis | """
|
2881 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetGroupNetParams(net_uuid, node_uuid) |
2882 | ad4a9ae7 | Dimitris Aragiorgis | |
2883 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2884 | 1c3231aa | Thomas Thrainer | def CheckIPInNodeGroup(self, ip, node_uuid): |
2885 | 6a94d553 | Dimitris Aragiorgis | """Check IP uniqueness in nodegroup.
|
2886 | 6a94d553 | Dimitris Aragiorgis |
|
2887 | 6a94d553 | Dimitris Aragiorgis | Check networks that are connected in the node's node group
|
2888 | 6a94d553 | Dimitris Aragiorgis | if ip is contained in any of them. Used when creating/adding
|
2889 | 6a94d553 | Dimitris Aragiorgis | a NIC to ensure uniqueness among nodegroups.
|
2890 | ad4a9ae7 | Dimitris Aragiorgis |
|
2891 | ad4a9ae7 | Dimitris Aragiorgis | @type ip: string
|
2892 | ad4a9ae7 | Dimitris Aragiorgis | @param ip: ip address
|
2893 | 1c3231aa | Thomas Thrainer | @type node_uuid: string
|
2894 | 1c3231aa | Thomas Thrainer | @param node_uuid: node UUID
|
2895 | ad4a9ae7 | Dimitris Aragiorgis | @rtype: (string, dict) or (None, None)
|
2896 | ad4a9ae7 | Dimitris Aragiorgis | @return: (network name, netparams)
|
2897 | ad4a9ae7 | Dimitris Aragiorgis |
|
2898 | ad4a9ae7 | Dimitris Aragiorgis | """
|
2899 | ad4a9ae7 | Dimitris Aragiorgis | if ip is None: |
2900 | ad4a9ae7 | Dimitris Aragiorgis | return (None, None) |
2901 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_uuid)
|
2902 | ad4a9ae7 | Dimitris Aragiorgis | nodegroup_info = self._UnlockedGetNodeGroup(node_info.group)
|
2903 | ad4a9ae7 | Dimitris Aragiorgis | for net_uuid in nodegroup_info.networks.keys(): |
2904 | ad4a9ae7 | Dimitris Aragiorgis | net_info = self._UnlockedGetNetwork(net_uuid)
|
2905 | ad4a9ae7 | Dimitris Aragiorgis | pool = network.AddressPool(net_info) |
2906 | beb81ea5 | Dimitris Aragiorgis | if pool.Contains(ip):
|
2907 | ad4a9ae7 | Dimitris Aragiorgis | return (net_info.name, nodegroup_info.networks[net_uuid])
|
2908 | ad4a9ae7 | Dimitris Aragiorgis | |
2909 | ad4a9ae7 | Dimitris Aragiorgis | return (None, None) |