root / lib / config.py @ 4f90370c
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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 | 3efa7659 | Thomas Thrainer | class ConfigWriter(object): |
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 | 79780863 | Michele Tartara | """Compute the list of all Disks (recursively, including children).
|
450 | b87a9c5f | Christos Stavrakakis |
|
451 | b87a9c5f | Christos Stavrakakis | """
|
452 | 79780863 | Michele Tartara | def DiskAndAllChildren(disk): |
453 | 79780863 | Michele Tartara | """Returns a list containing the given disk and all of his children.
|
454 | 79780863 | Michele Tartara |
|
455 | 79780863 | Michele Tartara | """
|
456 | 79780863 | Michele Tartara | disks = [disk] |
457 | 79780863 | Michele Tartara | if disk.children:
|
458 | 79780863 | Michele Tartara | for child_disk in disk.children: |
459 | 79780863 | Michele Tartara | disks.extend(DiskAndAllChildren(child_disk)) |
460 | 79780863 | Michele Tartara | return disks
|
461 | 79780863 | Michele Tartara | |
462 | b87a9c5f | Christos Stavrakakis | disks = [] |
463 | b87a9c5f | Christos Stavrakakis | for instance in self._config_data.instances.values(): |
464 | 79780863 | Michele Tartara | for disk in instance.disks: |
465 | 79780863 | Michele Tartara | disks.extend(DiskAndAllChildren(disk)) |
466 | b87a9c5f | Christos Stavrakakis | return disks
|
467 | b87a9c5f | Christos Stavrakakis | |
468 | b87a9c5f | Christos Stavrakakis | def _AllNICs(self): |
469 | b87a9c5f | Christos Stavrakakis | """Compute the list of all NICs.
|
470 | b87a9c5f | Christos Stavrakakis |
|
471 | b87a9c5f | Christos Stavrakakis | """
|
472 | b87a9c5f | Christos Stavrakakis | nics = [] |
473 | b87a9c5f | Christos Stavrakakis | for instance in self._config_data.instances.values(): |
474 | b87a9c5f | Christos Stavrakakis | nics.extend(instance.nics) |
475 | b87a9c5f | Christos Stavrakakis | return nics
|
476 | b87a9c5f | Christos Stavrakakis | |
477 | 34e54ebc | Iustin Pop | def _AllIDs(self, include_temporary): |
478 | 34e54ebc | Iustin Pop | """Compute the list of all UUIDs and names we have.
|
479 | 34e54ebc | Iustin Pop |
|
480 | 34e54ebc | Iustin Pop | @type include_temporary: boolean
|
481 | 34e54ebc | Iustin Pop | @param include_temporary: whether to include the _temporary_ids set
|
482 | 34e54ebc | Iustin Pop | @rtype: set
|
483 | 34e54ebc | Iustin Pop | @return: a set of IDs
|
484 | 34e54ebc | Iustin Pop |
|
485 | 34e54ebc | Iustin Pop | """
|
486 | 34e54ebc | Iustin Pop | existing = set()
|
487 | 34e54ebc | Iustin Pop | if include_temporary:
|
488 | 4fae38c5 | Guido Trotter | existing.update(self._temporary_ids.GetReserved())
|
489 | 34e54ebc | Iustin Pop | existing.update(self._AllLVs())
|
490 | 34e54ebc | Iustin Pop | existing.update(self._config_data.instances.keys())
|
491 | 34e54ebc | Iustin Pop | existing.update(self._config_data.nodes.keys())
|
492 | 76d5d3a3 | Iustin Pop | existing.update([i.uuid for i in self._AllUUIDObjects() if i.uuid]) |
493 | 34e54ebc | Iustin Pop | return existing
|
494 | 34e54ebc | Iustin Pop | |
495 | 4fae38c5 | Guido Trotter | def _GenerateUniqueID(self, ec_id): |
496 | 430b923c | Iustin Pop | """Generate an unique UUID.
|
497 | 923b1523 | Iustin Pop |
|
498 | 923b1523 | Iustin Pop | This checks the current node, instances and disk names for
|
499 | 923b1523 | Iustin Pop | duplicates.
|
500 | 923b1523 | Iustin Pop |
|
501 | c41eea6e | Iustin Pop | @rtype: string
|
502 | c41eea6e | Iustin Pop | @return: the unique id
|
503 | 923b1523 | Iustin Pop |
|
504 | 923b1523 | Iustin Pop | """
|
505 | 4fae38c5 | Guido Trotter | existing = self._AllIDs(include_temporary=False) |
506 | 4fae38c5 | Guido Trotter | return self._temporary_ids.Generate(existing, utils.NewUUID, ec_id) |
507 | 923b1523 | Iustin Pop | |
508 | 430b923c | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
509 | 4fae38c5 | Guido Trotter | def GenerateUniqueID(self, ec_id): |
510 | 430b923c | Iustin Pop | """Generate an unique ID.
|
511 | 430b923c | Iustin Pop |
|
512 | 430b923c | Iustin Pop | This is just a wrapper over the unlocked version.
|
513 | 430b923c | Iustin Pop |
|
514 | 4fae38c5 | Guido Trotter | @type ec_id: string
|
515 | 4fae38c5 | Guido Trotter | @param ec_id: unique id for the job to reserve the id to
|
516 | 34d657ba | Iustin Pop |
|
517 | 34d657ba | Iustin Pop | """
|
518 | 4fae38c5 | Guido Trotter | return self._GenerateUniqueID(ec_id) |
519 | 34d657ba | Iustin Pop | |
520 | a8083063 | Iustin Pop | def _AllMACs(self): |
521 | a8083063 | Iustin Pop | """Return all MACs present in the config.
|
522 | a8083063 | Iustin Pop |
|
523 | c41eea6e | Iustin Pop | @rtype: list
|
524 | c41eea6e | Iustin Pop | @return: the list of all MACs
|
525 | c41eea6e | Iustin Pop |
|
526 | a8083063 | Iustin Pop | """
|
527 | a8083063 | Iustin Pop | result = [] |
528 | a8083063 | Iustin Pop | for instance in self._config_data.instances.values(): |
529 | a8083063 | Iustin Pop | for nic in instance.nics: |
530 | a8083063 | Iustin Pop | result.append(nic.mac) |
531 | a8083063 | Iustin Pop | |
532 | a8083063 | Iustin Pop | return result
|
533 | a8083063 | Iustin Pop | |
534 | f9518d38 | Iustin Pop | def _AllDRBDSecrets(self): |
535 | f9518d38 | Iustin Pop | """Return all DRBD secrets present in the config.
|
536 | f9518d38 | Iustin Pop |
|
537 | c41eea6e | Iustin Pop | @rtype: list
|
538 | c41eea6e | Iustin Pop | @return: the list of all DRBD secrets
|
539 | c41eea6e | Iustin Pop |
|
540 | f9518d38 | Iustin Pop | """
|
541 | f9518d38 | Iustin Pop | def helper(disk, result): |
542 | f9518d38 | Iustin Pop | """Recursively gather secrets from this disk."""
|
543 | f9518d38 | Iustin Pop | if disk.dev_type == constants.DT_DRBD8:
|
544 | f9518d38 | Iustin Pop | result.append(disk.logical_id[5])
|
545 | f9518d38 | Iustin Pop | if disk.children:
|
546 | f9518d38 | Iustin Pop | for child in disk.children: |
547 | f9518d38 | Iustin Pop | helper(child, result) |
548 | f9518d38 | Iustin Pop | |
549 | f9518d38 | Iustin Pop | result = [] |
550 | f9518d38 | Iustin Pop | for instance in self._config_data.instances.values(): |
551 | f9518d38 | Iustin Pop | for disk in instance.disks: |
552 | f9518d38 | Iustin Pop | helper(disk, result) |
553 | f9518d38 | Iustin Pop | |
554 | f9518d38 | Iustin Pop | return result
|
555 | f9518d38 | Iustin Pop | |
556 | a57e502a | Thomas Thrainer | def _CheckDiskIDs(self, disk, l_ids): |
557 | 4b98ac29 | Iustin Pop | """Compute duplicate disk IDs
|
558 | 4b98ac29 | Iustin Pop |
|
559 | 4b98ac29 | Iustin Pop | @type disk: L{objects.Disk}
|
560 | 4b98ac29 | Iustin Pop | @param disk: the disk at which to start searching
|
561 | 4b98ac29 | Iustin Pop | @type l_ids: list
|
562 | 4b98ac29 | Iustin Pop | @param l_ids: list of current logical ids
|
563 | 4b98ac29 | Iustin Pop | @rtype: list
|
564 | 4b98ac29 | Iustin Pop | @return: a list of error messages
|
565 | 4b98ac29 | Iustin Pop |
|
566 | 4b98ac29 | Iustin Pop | """
|
567 | 4b98ac29 | Iustin Pop | result = [] |
568 | 25ae22e4 | Iustin Pop | if disk.logical_id is not None: |
569 | 25ae22e4 | Iustin Pop | if disk.logical_id in l_ids: |
570 | 25ae22e4 | Iustin Pop | result.append("duplicate logical id %s" % str(disk.logical_id)) |
571 | 25ae22e4 | Iustin Pop | else:
|
572 | 25ae22e4 | Iustin Pop | l_ids.append(disk.logical_id) |
573 | 4b98ac29 | Iustin Pop | |
574 | 4b98ac29 | Iustin Pop | if disk.children:
|
575 | 4b98ac29 | Iustin Pop | for child in disk.children: |
576 | a57e502a | Thomas Thrainer | result.extend(self._CheckDiskIDs(child, l_ids))
|
577 | 4b98ac29 | Iustin Pop | return result
|
578 | 4b98ac29 | Iustin Pop | |
579 | 4a89c54a | Iustin Pop | def _UnlockedVerifyConfig(self): |
580 | a8efbb40 | Iustin Pop | """Verify function.
|
581 | a8efbb40 | Iustin Pop |
|
582 | 4a89c54a | Iustin Pop | @rtype: list
|
583 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
584 | 4a89c54a | Iustin Pop | configuration errors
|
585 | 4a89c54a | Iustin Pop |
|
586 | a8083063 | Iustin Pop | """
|
587 | b459a848 | Andrea Spadaccini | # pylint: disable=R0914
|
588 | a8083063 | Iustin Pop | result = [] |
589 | a8083063 | Iustin Pop | seen_macs = [] |
590 | 48ce9fd9 | Iustin Pop | ports = {} |
591 | a8083063 | Iustin Pop | data = self._config_data
|
592 | 7e01d204 | Iustin Pop | cluster = data.cluster |
593 | 4b98ac29 | Iustin Pop | seen_lids = [] |
594 | 9a5fba23 | Guido Trotter | |
595 | 9a5fba23 | Guido Trotter | # global cluster checks
|
596 | 7e01d204 | Iustin Pop | if not cluster.enabled_hypervisors: |
597 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors list doesn't have any entries")
|
598 | 7e01d204 | Iustin Pop | invalid_hvs = set(cluster.enabled_hypervisors) - constants.HYPER_TYPES
|
599 | 9a5fba23 | Guido Trotter | if invalid_hvs:
|
600 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors contains invalid entries: %s" %
|
601 | 3da6e141 | Helga Velroyen | utils.CommaJoin(invalid_hvs)) |
602 | 7e01d204 | Iustin Pop | missing_hvp = (set(cluster.enabled_hypervisors) -
|
603 | 7e01d204 | Iustin Pop | set(cluster.hvparams.keys()))
|
604 | 9f3ac970 | Iustin Pop | if missing_hvp:
|
605 | 9f3ac970 | Iustin Pop | result.append("hypervisor parameters missing for the enabled"
|
606 | 9f3ac970 | Iustin Pop | " hypervisor(s) %s" % utils.CommaJoin(missing_hvp))
|
607 | 9a5fba23 | Guido Trotter | |
608 | 3da6e141 | Helga Velroyen | if not cluster.enabled_disk_templates: |
609 | 3da6e141 | Helga Velroyen | result.append("enabled disk templates list doesn't have any entries")
|
610 | 3da6e141 | Helga Velroyen | invalid_disk_templates = set(cluster.enabled_disk_templates) \
|
611 | 3da6e141 | Helga Velroyen | - constants.DISK_TEMPLATES |
612 | 3da6e141 | Helga Velroyen | if invalid_disk_templates:
|
613 | 3da6e141 | Helga Velroyen | result.append("enabled disk templates list contains invalid entries:"
|
614 | 3da6e141 | Helga Velroyen | " %s" % utils.CommaJoin(invalid_disk_templates))
|
615 | 3da6e141 | Helga Velroyen | |
616 | 7e01d204 | Iustin Pop | if cluster.master_node not in data.nodes: |
617 | 9a5fba23 | Guido Trotter | result.append("cluster has invalid primary node '%s'" %
|
618 | 7e01d204 | Iustin Pop | cluster.master_node) |
619 | 9a5fba23 | Guido Trotter | |
620 | 26f2fd8d | Iustin Pop | def _helper(owner, attr, value, template): |
621 | 26f2fd8d | Iustin Pop | try:
|
622 | 26f2fd8d | Iustin Pop | utils.ForceDictType(value, template) |
623 | 26f2fd8d | Iustin Pop | except errors.GenericError, err:
|
624 | 26f2fd8d | Iustin Pop | result.append("%s has invalid %s: %s" % (owner, attr, err))
|
625 | 26f2fd8d | Iustin Pop | |
626 | 26f2fd8d | Iustin Pop | def _helper_nic(owner, params): |
627 | 26f2fd8d | Iustin Pop | try:
|
628 | 26f2fd8d | Iustin Pop | objects.NIC.CheckParameterSyntax(params) |
629 | 26f2fd8d | Iustin Pop | except errors.ConfigurationError, err:
|
630 | 26f2fd8d | Iustin Pop | result.append("%s has invalid nicparams: %s" % (owner, err))
|
631 | 26f2fd8d | Iustin Pop | |
632 | da5f09ef | Bernardo Dal Seno | def _helper_ipolicy(owner, ipolicy, iscluster): |
633 | 918eb80b | Agata Murawska | try:
|
634 | da5f09ef | Bernardo Dal Seno | objects.InstancePolicy.CheckParameterSyntax(ipolicy, iscluster) |
635 | 918eb80b | Agata Murawska | except errors.ConfigurationError, err:
|
636 | 918eb80b | Agata Murawska | result.append("%s has invalid instance policy: %s" % (owner, err))
|
637 | da5f09ef | Bernardo Dal Seno | for key, value in ipolicy.items(): |
638 | da5f09ef | Bernardo Dal Seno | if key == constants.ISPECS_MINMAX:
|
639 | 41044e04 | Bernardo Dal Seno | for k in range(len(value)): |
640 | 41044e04 | Bernardo Dal Seno | _helper_ispecs(owner, "ipolicy/%s[%s]" % (key, k), value[k])
|
641 | da5f09ef | Bernardo Dal Seno | elif key == constants.ISPECS_STD:
|
642 | da5f09ef | Bernardo Dal Seno | _helper(owner, "ipolicy/" + key, value,
|
643 | da5f09ef | Bernardo Dal Seno | constants.ISPECS_PARAMETER_TYPES) |
644 | 2cc673a3 | Iustin Pop | else:
|
645 | 2cc673a3 | Iustin Pop | # FIXME: assuming list type
|
646 | ff6c5e55 | Iustin Pop | if key in constants.IPOLICY_PARAMETERS: |
647 | ff6c5e55 | Iustin Pop | exp_type = float
|
648 | ff6c5e55 | Iustin Pop | else:
|
649 | ff6c5e55 | Iustin Pop | exp_type = list
|
650 | ff6c5e55 | Iustin Pop | if not isinstance(value, exp_type): |
651 | 2cc673a3 | Iustin Pop | result.append("%s has invalid instance policy: for %s,"
|
652 | ff6c5e55 | Iustin Pop | " expecting %s, got %s" %
|
653 | ff6c5e55 | Iustin Pop | (owner, key, exp_type.__name__, type(value)))
|
654 | 918eb80b | Agata Murawska | |
655 | da5f09ef | Bernardo Dal Seno | def _helper_ispecs(owner, parentkey, params): |
656 | da5f09ef | Bernardo Dal Seno | for (key, value) in params.items(): |
657 | da5f09ef | Bernardo Dal Seno | fullkey = "/".join([parentkey, key])
|
658 | da5f09ef | Bernardo Dal Seno | _helper(owner, fullkey, value, constants.ISPECS_PARAMETER_TYPES) |
659 | da5f09ef | Bernardo Dal Seno | |
660 | 26f2fd8d | Iustin Pop | # check cluster parameters
|
661 | 26f2fd8d | Iustin Pop | _helper("cluster", "beparams", cluster.SimpleFillBE({}), |
662 | 26f2fd8d | Iustin Pop | constants.BES_PARAMETER_TYPES) |
663 | 26f2fd8d | Iustin Pop | _helper("cluster", "nicparams", cluster.SimpleFillNIC({}), |
664 | 26f2fd8d | Iustin Pop | constants.NICS_PARAMETER_TYPES) |
665 | 26f2fd8d | Iustin Pop | _helper_nic("cluster", cluster.SimpleFillNIC({}))
|
666 | 26f2fd8d | Iustin Pop | _helper("cluster", "ndparams", cluster.SimpleFillND({}), |
667 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
668 | da5f09ef | Bernardo Dal Seno | _helper_ipolicy("cluster", cluster.ipolicy, True) |
669 | 26f2fd8d | Iustin Pop | |
670 | 294254b1 | Raffa Santi | if constants.DT_RBD in cluster.diskparams: |
671 | 294254b1 | Raffa Santi | access = cluster.diskparams[constants.DT_RBD][constants.RBD_ACCESS] |
672 | 294254b1 | Raffa Santi | if access not in constants.DISK_VALID_ACCESS_MODES: |
673 | 294254b1 | Raffa Santi | result.append( |
674 | 294254b1 | Raffa Santi | "Invalid value of '%s:%s': '%s' (expected one of %s)" % (
|
675 | 294254b1 | Raffa Santi | constants.DT_RBD, constants.RBD_ACCESS, access, |
676 | 294254b1 | Raffa Santi | utils.CommaJoin(constants.DISK_VALID_ACCESS_MODES) |
677 | 294254b1 | Raffa Santi | ) |
678 | 294254b1 | Raffa Santi | ) |
679 | 294254b1 | Raffa Santi | |
680 | 9a5fba23 | Guido Trotter | # per-instance checks
|
681 | da4a52a3 | Thomas Thrainer | for instance_uuid in data.instances: |
682 | da4a52a3 | Thomas Thrainer | instance = data.instances[instance_uuid] |
683 | da4a52a3 | Thomas Thrainer | if instance.uuid != instance_uuid:
|
684 | da4a52a3 | Thomas Thrainer | result.append("instance '%s' is indexed by wrong UUID '%s'" %
|
685 | da4a52a3 | Thomas Thrainer | (instance.name, instance_uuid)) |
686 | a8083063 | Iustin Pop | if instance.primary_node not in data.nodes: |
687 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid primary node '%s'" %
|
688 | da4a52a3 | Thomas Thrainer | (instance.name, instance.primary_node)) |
689 | a8083063 | Iustin Pop | for snode in instance.secondary_nodes: |
690 | a8083063 | Iustin Pop | if snode not in data.nodes: |
691 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid secondary node '%s'" %
|
692 | da4a52a3 | Thomas Thrainer | (instance.name, snode)) |
693 | a8083063 | Iustin Pop | for idx, nic in enumerate(instance.nics): |
694 | a8083063 | Iustin Pop | if nic.mac in seen_macs: |
695 | 8522ceeb | Iustin Pop | result.append("instance '%s' has NIC %d mac %s duplicate" %
|
696 | da4a52a3 | Thomas Thrainer | (instance.name, idx, nic.mac)) |
697 | a8083063 | Iustin Pop | else:
|
698 | a8083063 | Iustin Pop | seen_macs.append(nic.mac) |
699 | 26f2fd8d | Iustin Pop | if nic.nicparams:
|
700 | 26f2fd8d | Iustin Pop | filled = cluster.SimpleFillNIC(nic.nicparams) |
701 | 26f2fd8d | Iustin Pop | owner = "instance %s nic %d" % (instance.name, idx)
|
702 | 26f2fd8d | Iustin Pop | _helper(owner, "nicparams",
|
703 | 26f2fd8d | Iustin Pop | filled, constants.NICS_PARAMETER_TYPES) |
704 | 26f2fd8d | Iustin Pop | _helper_nic(owner, filled) |
705 | 26f2fd8d | Iustin Pop | |
706 | 3da6e141 | Helga Velroyen | # disk template checks
|
707 | 3da6e141 | Helga Velroyen | if not instance.disk_template in data.cluster.enabled_disk_templates: |
708 | 3da6e141 | Helga Velroyen | result.append("instance '%s' uses the disabled disk template '%s'." %
|
709 | da4a52a3 | Thomas Thrainer | (instance.name, instance.disk_template)) |
710 | 3da6e141 | Helga Velroyen | |
711 | 26f2fd8d | Iustin Pop | # parameter checks
|
712 | 26f2fd8d | Iustin Pop | if instance.beparams:
|
713 | 26f2fd8d | Iustin Pop | _helper("instance %s" % instance.name, "beparams", |
714 | 26f2fd8d | Iustin Pop | cluster.FillBE(instance), constants.BES_PARAMETER_TYPES) |
715 | 48ce9fd9 | Iustin Pop | |
716 | 48ce9fd9 | Iustin Pop | # gather the drbd ports for duplicate checks
|
717 | e2569c1d | Michael Hanselmann | for (idx, dsk) in enumerate(instance.disks): |
718 | 66a37e7a | Helga Velroyen | if dsk.dev_type in constants.DTS_DRBD: |
719 | 48ce9fd9 | Iustin Pop | tcp_port = dsk.logical_id[2]
|
720 | 48ce9fd9 | Iustin Pop | if tcp_port not in ports: |
721 | 48ce9fd9 | Iustin Pop | ports[tcp_port] = [] |
722 | e2569c1d | Michael Hanselmann | ports[tcp_port].append((instance.name, "drbd disk %s" % idx))
|
723 | 48ce9fd9 | Iustin Pop | # gather network port reservation
|
724 | 48ce9fd9 | Iustin Pop | net_port = getattr(instance, "network_port", None) |
725 | 48ce9fd9 | Iustin Pop | if net_port is not None: |
726 | 48ce9fd9 | Iustin Pop | if net_port not in ports: |
727 | 48ce9fd9 | Iustin Pop | ports[net_port] = [] |
728 | 48ce9fd9 | Iustin Pop | ports[net_port].append((instance.name, "network port"))
|
729 | 48ce9fd9 | Iustin Pop | |
730 | 332d0e37 | Iustin Pop | # instance disk verify
|
731 | 332d0e37 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
732 | 332d0e37 | Iustin Pop | result.extend(["instance '%s' disk %d error: %s" %
|
733 | 332d0e37 | Iustin Pop | (instance.name, idx, msg) for msg in disk.Verify()]) |
734 | a57e502a | Thomas Thrainer | result.extend(self._CheckDiskIDs(disk, seen_lids))
|
735 | 332d0e37 | Iustin Pop | |
736 | 82c54b5b | Michael Hanselmann | wrong_names = _CheckInstanceDiskIvNames(instance.disks) |
737 | 82c54b5b | Michael Hanselmann | if wrong_names:
|
738 | 82c54b5b | Michael Hanselmann | tmp = "; ".join(("name of disk %s should be '%s', but is '%s'" % |
739 | 82c54b5b | Michael Hanselmann | (idx, exp_name, actual_name)) |
740 | 82c54b5b | Michael Hanselmann | for (idx, exp_name, actual_name) in wrong_names) |
741 | 82c54b5b | Michael Hanselmann | |
742 | 82c54b5b | Michael Hanselmann | result.append("Instance '%s' has wrongly named disks: %s" %
|
743 | 82c54b5b | Michael Hanselmann | (instance.name, tmp)) |
744 | 82c54b5b | Michael Hanselmann | |
745 | 48ce9fd9 | Iustin Pop | # cluster-wide pool of free ports
|
746 | 7e01d204 | Iustin Pop | for free_port in cluster.tcpudp_port_pool: |
747 | 48ce9fd9 | Iustin Pop | if free_port not in ports: |
748 | 48ce9fd9 | Iustin Pop | ports[free_port] = [] |
749 | 48ce9fd9 | Iustin Pop | ports[free_port].append(("cluster", "port marked as free")) |
750 | 48ce9fd9 | Iustin Pop | |
751 | 48ce9fd9 | Iustin Pop | # compute tcp/udp duplicate ports
|
752 | 48ce9fd9 | Iustin Pop | keys = ports.keys() |
753 | 48ce9fd9 | Iustin Pop | keys.sort() |
754 | 48ce9fd9 | Iustin Pop | for pnum in keys: |
755 | 48ce9fd9 | Iustin Pop | pdata = ports[pnum] |
756 | 48ce9fd9 | Iustin Pop | if len(pdata) > 1: |
757 | 1f864b60 | Iustin Pop | txt = utils.CommaJoin(["%s/%s" % val for val in pdata]) |
758 | 48ce9fd9 | Iustin Pop | result.append("tcp/udp port %s has duplicates: %s" % (pnum, txt))
|
759 | 48ce9fd9 | Iustin Pop | |
760 | 48ce9fd9 | Iustin Pop | # highest used tcp port check
|
761 | 48ce9fd9 | Iustin Pop | if keys:
|
762 | 7e01d204 | Iustin Pop | if keys[-1] > cluster.highest_used_port: |
763 | 48ce9fd9 | Iustin Pop | result.append("Highest used port mismatch, saved %s, computed %s" %
|
764 | 7e01d204 | Iustin Pop | (cluster.highest_used_port, keys[-1]))
|
765 | a8efbb40 | Iustin Pop | |
766 | 7e01d204 | Iustin Pop | if not data.nodes[cluster.master_node].master_candidate: |
767 | 3a26773f | Iustin Pop | result.append("Master node is not a master candidate")
|
768 | 3a26773f | Iustin Pop | |
769 | 4a89c54a | Iustin Pop | # master candidate checks
|
770 | e623dbe3 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats()
|
771 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
772 | ec0292f1 | Iustin Pop | result.append("Not enough master candidates: actual %d, target %d" %
|
773 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
774 | 48ce9fd9 | Iustin Pop | |
775 | 5bf07049 | Iustin Pop | # node checks
|
776 | 1c3231aa | Thomas Thrainer | for node_uuid, node in data.nodes.items(): |
777 | 1c3231aa | Thomas Thrainer | if node.uuid != node_uuid:
|
778 | 1c3231aa | Thomas Thrainer | result.append("Node '%s' is indexed by wrong UUID '%s'" %
|
779 | 1c3231aa | Thomas Thrainer | (node.name, node_uuid)) |
780 | 5bf07049 | Iustin Pop | if [node.master_candidate, node.drained, node.offline].count(True) > 1: |
781 | 5bf07049 | Iustin Pop | result.append("Node %s state is invalid: master_candidate=%s,"
|
782 | 5bf07049 | Iustin Pop | " drain=%s, offline=%s" %
|
783 | 3d889a7d | Michael Hanselmann | (node.name, node.master_candidate, node.drained, |
784 | 5bf07049 | Iustin Pop | node.offline)) |
785 | 26f2fd8d | Iustin Pop | if node.group not in data.nodegroups: |
786 | 26f2fd8d | Iustin Pop | result.append("Node '%s' has invalid group '%s'" %
|
787 | 26f2fd8d | Iustin Pop | (node.name, node.group)) |
788 | 26f2fd8d | Iustin Pop | else:
|
789 | 26f2fd8d | Iustin Pop | _helper("node %s" % node.name, "ndparams", |
790 | 26f2fd8d | Iustin Pop | cluster.FillND(node, data.nodegroups[node.group]), |
791 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
792 | 3697def0 | Bernardo Dal Seno | used_globals = constants.NDC_GLOBALS.intersection(node.ndparams) |
793 | 3697def0 | Bernardo Dal Seno | if used_globals:
|
794 | 3697def0 | Bernardo Dal Seno | result.append("Node '%s' has some global parameters set: %s" %
|
795 | 3697def0 | Bernardo Dal Seno | (node.name, utils.CommaJoin(used_globals))) |
796 | 5bf07049 | Iustin Pop | |
797 | 6520ba14 | Guido Trotter | # nodegroups checks
|
798 | ace16501 | Guido Trotter | nodegroups_names = set()
|
799 | 6520ba14 | Guido Trotter | for nodegroup_uuid in data.nodegroups: |
800 | 6520ba14 | Guido Trotter | nodegroup = data.nodegroups[nodegroup_uuid] |
801 | 6520ba14 | Guido Trotter | if nodegroup.uuid != nodegroup_uuid:
|
802 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') indexed by wrong uuid '%s'"
|
803 | 6520ba14 | Guido Trotter | % (nodegroup.name, nodegroup.uuid, nodegroup_uuid)) |
804 | 485ba212 | Guido Trotter | if utils.UUID_RE.match(nodegroup.name.lower()):
|
805 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') has uuid-like name" %
|
806 | 485ba212 | Guido Trotter | (nodegroup.name, nodegroup.uuid)) |
807 | ace16501 | Guido Trotter | if nodegroup.name in nodegroups_names: |
808 | 913cc25e | Adeodato Simo | result.append("duplicate node group name '%s'" % nodegroup.name)
|
809 | ace16501 | Guido Trotter | else:
|
810 | ace16501 | Guido Trotter | nodegroups_names.add(nodegroup.name) |
811 | 81e3ab4f | Agata Murawska | group_name = "group %s" % nodegroup.name
|
812 | 8b057218 | René Nussbaumer | _helper_ipolicy(group_name, cluster.SimpleFillIPolicy(nodegroup.ipolicy), |
813 | 8b057218 | René Nussbaumer | False)
|
814 | 26f2fd8d | Iustin Pop | if nodegroup.ndparams:
|
815 | 81e3ab4f | Agata Murawska | _helper(group_name, "ndparams",
|
816 | 26f2fd8d | Iustin Pop | cluster.SimpleFillND(nodegroup.ndparams), |
817 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
818 | 26f2fd8d | Iustin Pop | |
819 | 4a89c54a | Iustin Pop | # drbd minors check
|
820 | 1122eb25 | Iustin Pop | _, duplicates = self._UnlockedComputeDRBDMap()
|
821 | 4a89c54a | Iustin Pop | for node, minor, instance_a, instance_b in duplicates: |
822 | 4a89c54a | Iustin Pop | result.append("DRBD minor %d on node %s is assigned twice to instances"
|
823 | 4a89c54a | Iustin Pop | " %s and %s" % (minor, node, instance_a, instance_b))
|
824 | 4a89c54a | Iustin Pop | |
825 | 0ce8f948 | Iustin Pop | # IP checks
|
826 | 7e01d204 | Iustin Pop | default_nicparams = cluster.nicparams[constants.PP_DEFAULT] |
827 | b8716596 | Michael Hanselmann | ips = {} |
828 | b8716596 | Michael Hanselmann | |
829 | b8716596 | Michael Hanselmann | def _AddIpAddress(ip, name): |
830 | b8716596 | Michael Hanselmann | ips.setdefault(ip, []).append(name) |
831 | b8716596 | Michael Hanselmann | |
832 | 7e01d204 | Iustin Pop | _AddIpAddress(cluster.master_ip, "cluster_ip")
|
833 | 0ce8f948 | Iustin Pop | |
834 | 0ce8f948 | Iustin Pop | for node in data.nodes.values(): |
835 | b8716596 | Michael Hanselmann | _AddIpAddress(node.primary_ip, "node:%s/primary" % node.name)
|
836 | 0ce8f948 | Iustin Pop | if node.secondary_ip != node.primary_ip:
|
837 | b8716596 | Michael Hanselmann | _AddIpAddress(node.secondary_ip, "node:%s/secondary" % node.name)
|
838 | b8716596 | Michael Hanselmann | |
839 | b8716596 | Michael Hanselmann | for instance in data.instances.values(): |
840 | b8716596 | Michael Hanselmann | for idx, nic in enumerate(instance.nics): |
841 | b8716596 | Michael Hanselmann | if nic.ip is None: |
842 | b8716596 | Michael Hanselmann | continue
|
843 | b8716596 | Michael Hanselmann | |
844 | b8716596 | Michael Hanselmann | nicparams = objects.FillDict(default_nicparams, nic.nicparams) |
845 | b8716596 | Michael Hanselmann | nic_mode = nicparams[constants.NIC_MODE] |
846 | b8716596 | Michael Hanselmann | nic_link = nicparams[constants.NIC_LINK] |
847 | b8716596 | Michael Hanselmann | |
848 | b8716596 | Michael Hanselmann | if nic_mode == constants.NIC_MODE_BRIDGED:
|
849 | b8716596 | Michael Hanselmann | link = "bridge:%s" % nic_link
|
850 | b8716596 | Michael Hanselmann | elif nic_mode == constants.NIC_MODE_ROUTED:
|
851 | b8716596 | Michael Hanselmann | link = "route:%s" % nic_link
|
852 | b8716596 | Michael Hanselmann | else:
|
853 | b8716596 | Michael Hanselmann | raise errors.ProgrammerError("NIC mode '%s' not handled" % nic_mode) |
854 | b8716596 | Michael Hanselmann | |
855 | ad4a9ae7 | Dimitris Aragiorgis | _AddIpAddress("%s/%s/%s" % (link, nic.ip, nic.network),
|
856 | b8716596 | Michael Hanselmann | "instance:%s/nic:%d" % (instance.name, idx))
|
857 | 0ce8f948 | Iustin Pop | |
858 | 0ce8f948 | Iustin Pop | for ip, owners in ips.items(): |
859 | 0ce8f948 | Iustin Pop | if len(owners) > 1: |
860 | 0ce8f948 | Iustin Pop | result.append("IP address %s is used by multiple owners: %s" %
|
861 | 1f864b60 | Iustin Pop | (ip, utils.CommaJoin(owners))) |
862 | b8716596 | Michael Hanselmann | |
863 | a8083063 | Iustin Pop | return result
|
864 | a8083063 | Iustin Pop | |
865 | 4a89c54a | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
866 | 4a89c54a | Iustin Pop | def VerifyConfig(self): |
867 | 4a89c54a | Iustin Pop | """Verify function.
|
868 | 4a89c54a | Iustin Pop |
|
869 | 4a89c54a | Iustin Pop | This is just a wrapper over L{_UnlockedVerifyConfig}.
|
870 | 4a89c54a | Iustin Pop |
|
871 | 4a89c54a | Iustin Pop | @rtype: list
|
872 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
873 | 4a89c54a | Iustin Pop | configuration errors
|
874 | 4a89c54a | Iustin Pop |
|
875 | 4a89c54a | Iustin Pop | """
|
876 | 4a89c54a | Iustin Pop | return self._UnlockedVerifyConfig() |
877 | 4a89c54a | Iustin Pop | |
878 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
879 | b2fddf63 | Iustin Pop | def AddTcpUdpPort(self, port): |
880 | b2fddf63 | Iustin Pop | """Adds a new port to the available port pool.
|
881 | b2fddf63 | Iustin Pop |
|
882 | 3b3b1bca | Dimitris Aragiorgis | @warning: this method does not "flush" the configuration (via
|
883 | 3b3b1bca | Dimitris Aragiorgis | L{_WriteConfig}); callers should do that themselves once the
|
884 | 3b3b1bca | Dimitris Aragiorgis | configuration is stable
|
885 | 3b3b1bca | Dimitris Aragiorgis |
|
886 | b2fddf63 | Iustin Pop | """
|
887 | 264bb3c5 | Michael Hanselmann | if not isinstance(port, int): |
888 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed for port") |
889 | 264bb3c5 | Michael Hanselmann | |
890 | b2fddf63 | Iustin Pop | self._config_data.cluster.tcpudp_port_pool.add(port)
|
891 | 264bb3c5 | Michael Hanselmann | |
892 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
893 | b2fddf63 | Iustin Pop | def GetPortList(self): |
894 | 264bb3c5 | Michael Hanselmann | """Returns a copy of the current port list.
|
895 | 264bb3c5 | Michael Hanselmann |
|
896 | 264bb3c5 | Michael Hanselmann | """
|
897 | b2fddf63 | Iustin Pop | return self._config_data.cluster.tcpudp_port_pool.copy() |
898 | 264bb3c5 | Michael Hanselmann | |
899 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
900 | a8083063 | Iustin Pop | def AllocatePort(self): |
901 | a8083063 | Iustin Pop | """Allocate a port.
|
902 | a8083063 | Iustin Pop |
|
903 | b2fddf63 | Iustin Pop | The port will be taken from the available port pool or from the
|
904 | b2fddf63 | Iustin Pop | default port range (and in this case we increase
|
905 | b2fddf63 | Iustin Pop | highest_used_port).
|
906 | a8083063 | Iustin Pop |
|
907 | a8083063 | Iustin Pop | """
|
908 | 264bb3c5 | Michael Hanselmann | # If there are TCP/IP ports configured, we use them first.
|
909 | b2fddf63 | Iustin Pop | if self._config_data.cluster.tcpudp_port_pool: |
910 | b2fddf63 | Iustin Pop | port = self._config_data.cluster.tcpudp_port_pool.pop()
|
911 | 264bb3c5 | Michael Hanselmann | else:
|
912 | 264bb3c5 | Michael Hanselmann | port = self._config_data.cluster.highest_used_port + 1 |
913 | 264bb3c5 | Michael Hanselmann | if port >= constants.LAST_DRBD_PORT:
|
914 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("The highest used port is greater" |
915 | 3ecf6786 | Iustin Pop | " than %s. Aborting." %
|
916 | 3ecf6786 | Iustin Pop | constants.LAST_DRBD_PORT) |
917 | 264bb3c5 | Michael Hanselmann | self._config_data.cluster.highest_used_port = port
|
918 | a8083063 | Iustin Pop | |
919 | a8083063 | Iustin Pop | self._WriteConfig()
|
920 | a8083063 | Iustin Pop | return port
|
921 | a8083063 | Iustin Pop | |
922 | 6d2e83d5 | Iustin Pop | def _UnlockedComputeDRBDMap(self): |
923 | a81c53c9 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
924 | a81c53c9 | Iustin Pop |
|
925 | 4a89c54a | Iustin Pop | @rtype: (dict, list)
|
926 | da4a52a3 | Thomas Thrainer | @return: dictionary of node_uuid: dict of minor: instance_uuid;
|
927 | c41eea6e | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
928 | 4a89c54a | Iustin Pop | an empty list), and a list of duplicates; if the duplicates
|
929 | 4a89c54a | Iustin Pop | list is not empty, the configuration is corrupted and its caller
|
930 | 4a89c54a | Iustin Pop | should raise an exception
|
931 | a81c53c9 | Iustin Pop |
|
932 | a81c53c9 | Iustin Pop | """
|
933 | da4a52a3 | Thomas Thrainer | def _AppendUsedMinors(get_node_name_fn, instance, disk, used): |
934 | 4a89c54a | Iustin Pop | duplicates = [] |
935 | cd3b4ff4 | Helga Velroyen | if disk.dev_type == constants.DT_DRBD8 and len(disk.logical_id) >= 5: |
936 | 7c4d6c7b | Michael Hanselmann | node_a, node_b, _, minor_a, minor_b = disk.logical_id[:5]
|
937 | da4a52a3 | Thomas Thrainer | for node_uuid, minor in ((node_a, minor_a), (node_b, minor_b)): |
938 | b691385f | Thomas Thrainer | assert node_uuid in used, \ |
939 | b691385f | Thomas Thrainer | ("Node '%s' of instance '%s' not found in node list" %
|
940 | da4a52a3 | Thomas Thrainer | (get_node_name_fn(node_uuid), instance.name)) |
941 | da4a52a3 | Thomas Thrainer | if minor in used[node_uuid]: |
942 | da4a52a3 | Thomas Thrainer | duplicates.append((node_uuid, minor, instance.uuid, |
943 | da4a52a3 | Thomas Thrainer | used[node_uuid][minor])) |
944 | 4a89c54a | Iustin Pop | else:
|
945 | da4a52a3 | Thomas Thrainer | used[node_uuid][minor] = instance.uuid |
946 | a81c53c9 | Iustin Pop | if disk.children:
|
947 | a81c53c9 | Iustin Pop | for child in disk.children: |
948 | da4a52a3 | Thomas Thrainer | duplicates.extend(_AppendUsedMinors(get_node_name_fn, instance, child, |
949 | da4a52a3 | Thomas Thrainer | used)) |
950 | 4a89c54a | Iustin Pop | return duplicates
|
951 | a81c53c9 | Iustin Pop | |
952 | 4a89c54a | Iustin Pop | duplicates = [] |
953 | da4a52a3 | Thomas Thrainer | my_dict = dict((node_uuid, {}) for node_uuid in self._config_data.nodes) |
954 | 79b26a7a | Iustin Pop | for instance in self._config_data.instances.itervalues(): |
955 | 79b26a7a | Iustin Pop | for disk in instance.disks: |
956 | da4a52a3 | Thomas Thrainer | duplicates.extend(_AppendUsedMinors(self._UnlockedGetNodeName,
|
957 | da4a52a3 | Thomas Thrainer | instance, disk, my_dict)) |
958 | da4a52a3 | Thomas Thrainer | for (node_uuid, minor), inst_uuid in self._temporary_drbds.iteritems(): |
959 | da4a52a3 | Thomas Thrainer | if minor in my_dict[node_uuid] and my_dict[node_uuid][minor] != inst_uuid: |
960 | da4a52a3 | Thomas Thrainer | duplicates.append((node_uuid, minor, inst_uuid, |
961 | da4a52a3 | Thomas Thrainer | my_dict[node_uuid][minor])) |
962 | 4a89c54a | Iustin Pop | else:
|
963 | da4a52a3 | Thomas Thrainer | my_dict[node_uuid][minor] = inst_uuid |
964 | 4a89c54a | Iustin Pop | return my_dict, duplicates
|
965 | a81c53c9 | Iustin Pop | |
966 | a81c53c9 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
967 | 6d2e83d5 | Iustin Pop | def ComputeDRBDMap(self): |
968 | 6d2e83d5 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
969 | 6d2e83d5 | Iustin Pop |
|
970 | 6d2e83d5 | Iustin Pop | This is just a wrapper over L{_UnlockedComputeDRBDMap}.
|
971 | 6d2e83d5 | Iustin Pop |
|
972 | da4a52a3 | Thomas Thrainer | @return: dictionary of node_uuid: dict of minor: instance_uuid;
|
973 | 6d2e83d5 | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
974 | 6d2e83d5 | Iustin Pop | an empty list).
|
975 | 6d2e83d5 | Iustin Pop |
|
976 | 6d2e83d5 | Iustin Pop | """
|
977 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
978 | 4a89c54a | Iustin Pop | if duplicates:
|
979 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
980 | 4a89c54a | Iustin Pop | str(duplicates))
|
981 | 4a89c54a | Iustin Pop | return d_map
|
982 | 6d2e83d5 | Iustin Pop | |
983 | 6d2e83d5 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
984 | da4a52a3 | Thomas Thrainer | def AllocateDRBDMinor(self, node_uuids, inst_uuid): |
985 | a81c53c9 | Iustin Pop | """Allocate a drbd minor.
|
986 | a81c53c9 | Iustin Pop |
|
987 | a81c53c9 | Iustin Pop | The free minor will be automatically computed from the existing
|
988 | a81c53c9 | Iustin Pop | devices. A node can be given multiple times in order to allocate
|
989 | a81c53c9 | Iustin Pop | multiple minors. The result is the list of minors, in the same
|
990 | a81c53c9 | Iustin Pop | order as the passed nodes.
|
991 | a81c53c9 | Iustin Pop |
|
992 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
993 | da4a52a3 | Thomas Thrainer | @param inst_uuid: the instance for which we allocate minors
|
994 | 32388e6d | Iustin Pop |
|
995 | a81c53c9 | Iustin Pop | """
|
996 | da4a52a3 | Thomas Thrainer | assert isinstance(inst_uuid, basestring), \ |
997 | da4a52a3 | Thomas Thrainer | "Invalid argument '%s' passed to AllocateDRBDMinor" % inst_uuid
|
998 | 32388e6d | Iustin Pop | |
999 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
1000 | 4a89c54a | Iustin Pop | if duplicates:
|
1001 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
1002 | 4a89c54a | Iustin Pop | str(duplicates))
|
1003 | a81c53c9 | Iustin Pop | result = [] |
1004 | 1c3231aa | Thomas Thrainer | for nuuid in node_uuids: |
1005 | 1c3231aa | Thomas Thrainer | ndata = d_map[nuuid] |
1006 | a81c53c9 | Iustin Pop | if not ndata: |
1007 | a81c53c9 | Iustin Pop | # no minors used, we can start at 0
|
1008 | a81c53c9 | Iustin Pop | result.append(0)
|
1009 | da4a52a3 | Thomas Thrainer | ndata[0] = inst_uuid
|
1010 | da4a52a3 | Thomas Thrainer | self._temporary_drbds[(nuuid, 0)] = inst_uuid |
1011 | a81c53c9 | Iustin Pop | continue
|
1012 | a81c53c9 | Iustin Pop | keys = ndata.keys() |
1013 | a81c53c9 | Iustin Pop | keys.sort() |
1014 | a81c53c9 | Iustin Pop | ffree = utils.FirstFree(keys) |
1015 | a81c53c9 | Iustin Pop | if ffree is None: |
1016 | a81c53c9 | Iustin Pop | # return the next minor
|
1017 | a81c53c9 | Iustin Pop | # TODO: implement high-limit check
|
1018 | a81c53c9 | Iustin Pop | minor = keys[-1] + 1 |
1019 | a81c53c9 | Iustin Pop | else:
|
1020 | a81c53c9 | Iustin Pop | minor = ffree |
1021 | 4a89c54a | Iustin Pop | # double-check minor against current instances
|
1022 | 1c3231aa | Thomas Thrainer | assert minor not in d_map[nuuid], \ |
1023 | 4a89c54a | Iustin Pop | ("Attempt to reuse allocated DRBD minor %d on node %s,"
|
1024 | 4a89c54a | Iustin Pop | " already allocated to instance %s" %
|
1025 | 1c3231aa | Thomas Thrainer | (minor, nuuid, d_map[nuuid][minor])) |
1026 | da4a52a3 | Thomas Thrainer | ndata[minor] = inst_uuid |
1027 | 4a89c54a | Iustin Pop | # double-check minor against reservation
|
1028 | 1c3231aa | Thomas Thrainer | r_key = (nuuid, minor) |
1029 | 4a89c54a | Iustin Pop | assert r_key not in self._temporary_drbds, \ |
1030 | 4a89c54a | Iustin Pop | ("Attempt to reuse reserved DRBD minor %d on node %s,"
|
1031 | 4a89c54a | Iustin Pop | " reserved for instance %s" %
|
1032 | 1c3231aa | Thomas Thrainer | (minor, nuuid, self._temporary_drbds[r_key]))
|
1033 | da4a52a3 | Thomas Thrainer | self._temporary_drbds[r_key] = inst_uuid
|
1034 | 4a89c54a | Iustin Pop | result.append(minor) |
1035 | a81c53c9 | Iustin Pop | logging.debug("Request to allocate drbd minors, input: %s, returning %s",
|
1036 | 1c3231aa | Thomas Thrainer | node_uuids, result) |
1037 | a81c53c9 | Iustin Pop | return result
|
1038 | a81c53c9 | Iustin Pop | |
1039 | da4a52a3 | Thomas Thrainer | def _UnlockedReleaseDRBDMinors(self, inst_uuid): |
1040 | a81c53c9 | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
1041 | a81c53c9 | Iustin Pop |
|
1042 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1043 | da4a52a3 | Thomas Thrainer | @param inst_uuid: the instance for which temporary minors should be
|
1044 | da4a52a3 | Thomas Thrainer | released
|
1045 | a81c53c9 | Iustin Pop |
|
1046 | a81c53c9 | Iustin Pop | """
|
1047 | da4a52a3 | Thomas Thrainer | assert isinstance(inst_uuid, basestring), \ |
1048 | 32388e6d | Iustin Pop | "Invalid argument passed to ReleaseDRBDMinors"
|
1049 | da4a52a3 | Thomas Thrainer | for key, uuid in self._temporary_drbds.items(): |
1050 | da4a52a3 | Thomas Thrainer | if uuid == inst_uuid:
|
1051 | a81c53c9 | Iustin Pop | del self._temporary_drbds[key] |
1052 | a81c53c9 | Iustin Pop | |
1053 | 61cf6b5e | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1054 | da4a52a3 | Thomas Thrainer | def ReleaseDRBDMinors(self, inst_uuid): |
1055 | 61cf6b5e | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
1056 | 61cf6b5e | Iustin Pop |
|
1057 | 61cf6b5e | Iustin Pop | This should be called on the error paths, on the success paths
|
1058 | 61cf6b5e | Iustin Pop | it's automatically called by the ConfigWriter add and update
|
1059 | 61cf6b5e | Iustin Pop | functions.
|
1060 | 61cf6b5e | Iustin Pop |
|
1061 | 61cf6b5e | Iustin Pop | This function is just a wrapper over L{_UnlockedReleaseDRBDMinors}.
|
1062 | 61cf6b5e | Iustin Pop |
|
1063 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1064 | da4a52a3 | Thomas Thrainer | @param inst_uuid: the instance for which temporary minors should be
|
1065 | da4a52a3 | Thomas Thrainer | released
|
1066 | 61cf6b5e | Iustin Pop |
|
1067 | 61cf6b5e | Iustin Pop | """
|
1068 | da4a52a3 | Thomas Thrainer | self._UnlockedReleaseDRBDMinors(inst_uuid)
|
1069 | 61cf6b5e | Iustin Pop | |
1070 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1071 | 4a8b186a | Michael Hanselmann | def GetConfigVersion(self): |
1072 | 4a8b186a | Michael Hanselmann | """Get the configuration version.
|
1073 | 4a8b186a | Michael Hanselmann |
|
1074 | 4a8b186a | Michael Hanselmann | @return: Config version
|
1075 | 4a8b186a | Michael Hanselmann |
|
1076 | 4a8b186a | Michael Hanselmann | """
|
1077 | 4a8b186a | Michael Hanselmann | return self._config_data.version |
1078 | 4a8b186a | Michael Hanselmann | |
1079 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1080 | 4a8b186a | Michael Hanselmann | def GetClusterName(self): |
1081 | 4a8b186a | Michael Hanselmann | """Get cluster name.
|
1082 | 4a8b186a | Michael Hanselmann |
|
1083 | 4a8b186a | Michael Hanselmann | @return: Cluster name
|
1084 | 4a8b186a | Michael Hanselmann |
|
1085 | 4a8b186a | Michael Hanselmann | """
|
1086 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.cluster_name |
1087 | 4a8b186a | Michael Hanselmann | |
1088 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1089 | 4a8b186a | Michael Hanselmann | def GetMasterNode(self): |
1090 | 1c3231aa | Thomas Thrainer | """Get the UUID of the master node for this cluster.
|
1091 | 4a8b186a | Michael Hanselmann |
|
1092 | 1c3231aa | Thomas Thrainer | @return: Master node UUID
|
1093 | 4a8b186a | Michael Hanselmann |
|
1094 | 4a8b186a | Michael Hanselmann | """
|
1095 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_node |
1096 | 4a8b186a | Michael Hanselmann | |
1097 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1098 | 1c3231aa | Thomas Thrainer | def GetMasterNodeName(self): |
1099 | 1c3231aa | Thomas Thrainer | """Get the hostname of the master node for this cluster.
|
1100 | 1c3231aa | Thomas Thrainer |
|
1101 | 1c3231aa | Thomas Thrainer | @return: Master node hostname
|
1102 | 1c3231aa | Thomas Thrainer |
|
1103 | 1c3231aa | Thomas Thrainer | """
|
1104 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeName(self._config_data.cluster.master_node) |
1105 | 1c3231aa | Thomas Thrainer | |
1106 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1107 | b730e2a7 | Thomas Thrainer | def GetMasterNodeInfo(self): |
1108 | b730e2a7 | Thomas Thrainer | """Get the master node information for this cluster.
|
1109 | b730e2a7 | Thomas Thrainer |
|
1110 | b730e2a7 | Thomas Thrainer | @rtype: objects.Node
|
1111 | b730e2a7 | Thomas Thrainer | @return: Master node L{objects.Node} object
|
1112 | b730e2a7 | Thomas Thrainer |
|
1113 | b730e2a7 | Thomas Thrainer | """
|
1114 | b730e2a7 | Thomas Thrainer | return self._UnlockedGetNodeInfo(self._config_data.cluster.master_node) |
1115 | b730e2a7 | Thomas Thrainer | |
1116 | b730e2a7 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1117 | 4a8b186a | Michael Hanselmann | def GetMasterIP(self): |
1118 | 4a8b186a | Michael Hanselmann | """Get the IP of the master node for this cluster.
|
1119 | 4a8b186a | Michael Hanselmann |
|
1120 | 4a8b186a | Michael Hanselmann | @return: Master IP
|
1121 | 4a8b186a | Michael Hanselmann |
|
1122 | 4a8b186a | Michael Hanselmann | """
|
1123 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_ip |
1124 | 4a8b186a | Michael Hanselmann | |
1125 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1126 | 4a8b186a | Michael Hanselmann | def GetMasterNetdev(self): |
1127 | 4a8b186a | Michael Hanselmann | """Get the master network device for this cluster.
|
1128 | 4a8b186a | Michael Hanselmann |
|
1129 | 4a8b186a | Michael Hanselmann | """
|
1130 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_netdev |
1131 | 4a8b186a | Michael Hanselmann | |
1132 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1133 | 5a8648eb | Andrea Spadaccini | def GetMasterNetmask(self): |
1134 | 5a8648eb | Andrea Spadaccini | """Get the netmask of the master node for this cluster.
|
1135 | 5a8648eb | Andrea Spadaccini |
|
1136 | 5a8648eb | Andrea Spadaccini | """
|
1137 | 5a8648eb | Andrea Spadaccini | return self._config_data.cluster.master_netmask |
1138 | 5a8648eb | Andrea Spadaccini | |
1139 | 5a8648eb | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1140 | 33be7576 | Andrea Spadaccini | def GetUseExternalMipScript(self): |
1141 | 33be7576 | Andrea Spadaccini | """Get flag representing whether to use the external master IP setup script.
|
1142 | 33be7576 | Andrea Spadaccini |
|
1143 | 33be7576 | Andrea Spadaccini | """
|
1144 | 33be7576 | Andrea Spadaccini | return self._config_data.cluster.use_external_mip_script |
1145 | 33be7576 | Andrea Spadaccini | |
1146 | 33be7576 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1147 | 4a8b186a | Michael Hanselmann | def GetFileStorageDir(self): |
1148 | 4a8b186a | Michael Hanselmann | """Get the file storage dir for this cluster.
|
1149 | 4a8b186a | Michael Hanselmann |
|
1150 | 4a8b186a | Michael Hanselmann | """
|
1151 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.file_storage_dir |
1152 | 4a8b186a | Michael Hanselmann | |
1153 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1154 | 4b97f902 | Apollon Oikonomopoulos | def GetSharedFileStorageDir(self): |
1155 | 4b97f902 | Apollon Oikonomopoulos | """Get the shared file storage dir for this cluster.
|
1156 | 4b97f902 | Apollon Oikonomopoulos |
|
1157 | 4b97f902 | Apollon Oikonomopoulos | """
|
1158 | 4b97f902 | Apollon Oikonomopoulos | return self._config_data.cluster.shared_file_storage_dir |
1159 | 4b97f902 | Apollon Oikonomopoulos | |
1160 | 4b97f902 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1161 | 4a8b186a | Michael Hanselmann | def GetHypervisorType(self): |
1162 | 4a8b186a | Michael Hanselmann | """Get the hypervisor type for this cluster.
|
1163 | 4a8b186a | Michael Hanselmann |
|
1164 | 4a8b186a | Michael Hanselmann | """
|
1165 | 066f465d | Guido Trotter | return self._config_data.cluster.enabled_hypervisors[0] |
1166 | 4a8b186a | Michael Hanselmann | |
1167 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1168 | a9542a4f | Thomas Thrainer | def GetRsaHostKey(self): |
1169 | a8083063 | Iustin Pop | """Return the rsa hostkey from the config.
|
1170 | a8083063 | Iustin Pop |
|
1171 | c41eea6e | Iustin Pop | @rtype: string
|
1172 | c41eea6e | Iustin Pop | @return: the rsa hostkey
|
1173 | a8083063 | Iustin Pop |
|
1174 | a8083063 | Iustin Pop | """
|
1175 | a8083063 | Iustin Pop | return self._config_data.cluster.rsahostkeypub |
1176 | a8083063 | Iustin Pop | |
1177 | bf4af505 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
1178 | a9542a4f | Thomas Thrainer | def GetDsaHostKey(self): |
1179 | a9542a4f | Thomas Thrainer | """Return the dsa hostkey from the config.
|
1180 | a9542a4f | Thomas Thrainer |
|
1181 | a9542a4f | Thomas Thrainer | @rtype: string
|
1182 | a9542a4f | Thomas Thrainer | @return: the dsa hostkey
|
1183 | a9542a4f | Thomas Thrainer |
|
1184 | a9542a4f | Thomas Thrainer | """
|
1185 | a9542a4f | Thomas Thrainer | return self._config_data.cluster.dsahostkeypub |
1186 | a9542a4f | Thomas Thrainer | |
1187 | a9542a4f | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1188 | bf4af505 | Apollon Oikonomopoulos | def GetDefaultIAllocator(self): |
1189 | bf4af505 | Apollon Oikonomopoulos | """Get the default instance allocator for this cluster.
|
1190 | bf4af505 | Apollon Oikonomopoulos |
|
1191 | bf4af505 | Apollon Oikonomopoulos | """
|
1192 | bf4af505 | Apollon Oikonomopoulos | return self._config_data.cluster.default_iallocator |
1193 | bf4af505 | Apollon Oikonomopoulos | |
1194 | 868a98ca | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
1195 | 868a98ca | Manuel Franceschini | def GetPrimaryIPFamily(self): |
1196 | 868a98ca | Manuel Franceschini | """Get cluster primary ip family.
|
1197 | 868a98ca | Manuel Franceschini |
|
1198 | 868a98ca | Manuel Franceschini | @return: primary ip family
|
1199 | 868a98ca | Manuel Franceschini |
|
1200 | 868a98ca | Manuel Franceschini | """
|
1201 | 868a98ca | Manuel Franceschini | return self._config_data.cluster.primary_ip_family |
1202 | 868a98ca | Manuel Franceschini | |
1203 | c9f4b8e6 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
1204 | c9f4b8e6 | Andrea Spadaccini | def GetMasterNetworkParameters(self): |
1205 | c9f4b8e6 | Andrea Spadaccini | """Get network parameters of the master node.
|
1206 | c9f4b8e6 | Andrea Spadaccini |
|
1207 | f9d20654 | Andrea Spadaccini | @rtype: L{object.MasterNetworkParameters}
|
1208 | f9d20654 | Andrea Spadaccini | @return: network parameters of the master node
|
1209 | c9f4b8e6 | Andrea Spadaccini |
|
1210 | c9f4b8e6 | Andrea Spadaccini | """
|
1211 | c9f4b8e6 | Andrea Spadaccini | cluster = self._config_data.cluster
|
1212 | 5ae4945a | Iustin Pop | result = objects.MasterNetworkParameters( |
1213 | 1c3231aa | Thomas Thrainer | uuid=cluster.master_node, ip=cluster.master_ip, |
1214 | 5ae4945a | Iustin Pop | netmask=cluster.master_netmask, netdev=cluster.master_netdev, |
1215 | c79198a0 | Andrea Spadaccini | ip_family=cluster.primary_ip_family) |
1216 | c9f4b8e6 | Andrea Spadaccini | |
1217 | f9d20654 | Andrea Spadaccini | return result
|
1218 | f9d20654 | Andrea Spadaccini | |
1219 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1220 | e11a1b77 | Adeodato Simo | def AddNodeGroup(self, group, ec_id, check_uuid=True): |
1221 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1222 | e11a1b77 | Adeodato Simo |
|
1223 | 90e99856 | Adeodato Simo | This method calls group.UpgradeConfig() to fill any missing attributes
|
1224 | 90e99856 | Adeodato Simo | according to their default values.
|
1225 | 90e99856 | Adeodato Simo |
|
1226 | e11a1b77 | Adeodato Simo | @type group: L{objects.NodeGroup}
|
1227 | e11a1b77 | Adeodato Simo | @param group: the NodeGroup object to add
|
1228 | e11a1b77 | Adeodato Simo | @type ec_id: string
|
1229 | e11a1b77 | Adeodato Simo | @param ec_id: unique id for the job to use when creating a missing UUID
|
1230 | e11a1b77 | Adeodato Simo | @type check_uuid: bool
|
1231 | e11a1b77 | Adeodato Simo | @param check_uuid: add an UUID to the group if it doesn't have one or, if
|
1232 | e11a1b77 | Adeodato Simo | it does, ensure that it does not exist in the
|
1233 | e11a1b77 | Adeodato Simo | configuration already
|
1234 | e11a1b77 | Adeodato Simo |
|
1235 | e11a1b77 | Adeodato Simo | """
|
1236 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(group, ec_id, check_uuid)
|
1237 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1238 | e11a1b77 | Adeodato Simo | |
1239 | e11a1b77 | Adeodato Simo | def _UnlockedAddNodeGroup(self, group, ec_id, check_uuid): |
1240 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
1241 | e11a1b77 | Adeodato Simo |
|
1242 | e11a1b77 | Adeodato Simo | """
|
1243 | e11a1b77 | Adeodato Simo | logging.info("Adding node group %s to configuration", group.name)
|
1244 | e11a1b77 | Adeodato Simo | |
1245 | e11a1b77 | Adeodato Simo | # Some code might need to add a node group with a pre-populated UUID
|
1246 | e11a1b77 | Adeodato Simo | # generated with ConfigWriter.GenerateUniqueID(). We allow them to bypass
|
1247 | e11a1b77 | Adeodato Simo | # the "does this UUID" exist already check.
|
1248 | e11a1b77 | Adeodato Simo | if check_uuid:
|
1249 | e11a1b77 | Adeodato Simo | self._EnsureUUID(group, ec_id)
|
1250 | e11a1b77 | Adeodato Simo | |
1251 | 18ffc0fe | Stephen Shirley | try:
|
1252 | 18ffc0fe | Stephen Shirley | existing_uuid = self._UnlockedLookupNodeGroup(group.name)
|
1253 | 18ffc0fe | Stephen Shirley | except errors.OpPrereqError:
|
1254 | 18ffc0fe | Stephen Shirley | pass
|
1255 | 18ffc0fe | Stephen Shirley | else:
|
1256 | 18ffc0fe | Stephen Shirley | raise errors.OpPrereqError("Desired group name '%s' already exists as a" |
1257 | 18ffc0fe | Stephen Shirley | " node group (UUID: %s)" %
|
1258 | 18ffc0fe | Stephen Shirley | (group.name, existing_uuid), |
1259 | 18ffc0fe | Stephen Shirley | errors.ECODE_EXISTS) |
1260 | 18ffc0fe | Stephen Shirley | |
1261 | e11a1b77 | Adeodato Simo | group.serial_no = 1
|
1262 | e11a1b77 | Adeodato Simo | group.ctime = group.mtime = time.time() |
1263 | 90e99856 | Adeodato Simo | group.UpgradeConfig() |
1264 | e11a1b77 | Adeodato Simo | |
1265 | e11a1b77 | Adeodato Simo | self._config_data.nodegroups[group.uuid] = group
|
1266 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1267 | e11a1b77 | Adeodato Simo | |
1268 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1269 | e11a1b77 | Adeodato Simo | def RemoveNodeGroup(self, group_uuid): |
1270 | e11a1b77 | Adeodato Simo | """Remove a node group from the configuration.
|
1271 | e11a1b77 | Adeodato Simo |
|
1272 | e11a1b77 | Adeodato Simo | @type group_uuid: string
|
1273 | e11a1b77 | Adeodato Simo | @param group_uuid: the UUID of the node group to remove
|
1274 | e11a1b77 | Adeodato Simo |
|
1275 | e11a1b77 | Adeodato Simo | """
|
1276 | e11a1b77 | Adeodato Simo | logging.info("Removing node group %s from configuration", group_uuid)
|
1277 | e11a1b77 | Adeodato Simo | |
1278 | e11a1b77 | Adeodato Simo | if group_uuid not in self._config_data.nodegroups: |
1279 | e11a1b77 | Adeodato Simo | raise errors.ConfigurationError("Unknown node group '%s'" % group_uuid) |
1280 | e11a1b77 | Adeodato Simo | |
1281 | 0389c42a | Stephen Shirley | assert len(self._config_data.nodegroups) != 1, \ |
1282 | 0389c42a | Stephen Shirley | "Group '%s' is the only group, cannot be removed" % group_uuid
|
1283 | 0389c42a | Stephen Shirley | |
1284 | e11a1b77 | Adeodato Simo | del self._config_data.nodegroups[group_uuid] |
1285 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1286 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1287 | e11a1b77 | Adeodato Simo | |
1288 | e85d8982 | Stephen Shirley | def _UnlockedLookupNodeGroup(self, target): |
1289 | 412b3531 | Guido Trotter | """Lookup a node group's UUID.
|
1290 | eaa98a04 | Guido Trotter |
|
1291 | eaa98a04 | Guido Trotter | @type target: string or None
|
1292 | 412b3531 | Guido Trotter | @param target: group name or UUID or None to look for the default
|
1293 | eaa98a04 | Guido Trotter | @rtype: string
|
1294 | 412b3531 | Guido Trotter | @return: nodegroup UUID
|
1295 | eaa98a04 | Guido Trotter | @raises errors.OpPrereqError: when the target group cannot be found
|
1296 | eaa98a04 | Guido Trotter |
|
1297 | eaa98a04 | Guido Trotter | """
|
1298 | eaa98a04 | Guido Trotter | if target is None: |
1299 | eaa98a04 | Guido Trotter | if len(self._config_data.nodegroups) != 1: |
1300 | 913cc25e | Adeodato Simo | raise errors.OpPrereqError("More than one node group exists. Target" |
1301 | 2ed0e208 | Iustin Pop | " group must be specified explicitly.")
|
1302 | eaa98a04 | Guido Trotter | else:
|
1303 | eaa98a04 | Guido Trotter | return self._config_data.nodegroups.keys()[0] |
1304 | eaa98a04 | Guido Trotter | if target in self._config_data.nodegroups: |
1305 | eaa98a04 | Guido Trotter | return target
|
1306 | eaa98a04 | Guido Trotter | for nodegroup in self._config_data.nodegroups.values(): |
1307 | eaa98a04 | Guido Trotter | if nodegroup.name == target:
|
1308 | eaa98a04 | Guido Trotter | return nodegroup.uuid
|
1309 | e0f9ed64 | Adeodato Simo | raise errors.OpPrereqError("Node group '%s' not found" % target, |
1310 | e0f9ed64 | Adeodato Simo | errors.ECODE_NOENT) |
1311 | eaa98a04 | Guido Trotter | |
1312 | e85d8982 | Stephen Shirley | @locking.ssynchronized(_config_lock, shared=1) |
1313 | e85d8982 | Stephen Shirley | def LookupNodeGroup(self, target): |
1314 | e85d8982 | Stephen Shirley | """Lookup a node group's UUID.
|
1315 | e85d8982 | Stephen Shirley |
|
1316 | e85d8982 | Stephen Shirley | This function is just a wrapper over L{_UnlockedLookupNodeGroup}.
|
1317 | e85d8982 | Stephen Shirley |
|
1318 | e85d8982 | Stephen Shirley | @type target: string or None
|
1319 | e85d8982 | Stephen Shirley | @param target: group name or UUID or None to look for the default
|
1320 | e85d8982 | Stephen Shirley | @rtype: string
|
1321 | e85d8982 | Stephen Shirley | @return: nodegroup UUID
|
1322 | e85d8982 | Stephen Shirley |
|
1323 | e85d8982 | Stephen Shirley | """
|
1324 | e85d8982 | Stephen Shirley | return self._UnlockedLookupNodeGroup(target) |
1325 | e85d8982 | Stephen Shirley | |
1326 | 5768e6a6 | René Nussbaumer | def _UnlockedGetNodeGroup(self, uuid): |
1327 | 648e4196 | Guido Trotter | """Lookup a node group.
|
1328 | 648e4196 | Guido Trotter |
|
1329 | 648e4196 | Guido Trotter | @type uuid: string
|
1330 | 648e4196 | Guido Trotter | @param uuid: group UUID
|
1331 | 648e4196 | Guido Trotter | @rtype: L{objects.NodeGroup} or None
|
1332 | 648e4196 | Guido Trotter | @return: nodegroup object, or None if not found
|
1333 | 648e4196 | Guido Trotter |
|
1334 | 648e4196 | Guido Trotter | """
|
1335 | 648e4196 | Guido Trotter | if uuid not in self._config_data.nodegroups: |
1336 | 648e4196 | Guido Trotter | return None |
1337 | 648e4196 | Guido Trotter | |
1338 | 648e4196 | Guido Trotter | return self._config_data.nodegroups[uuid] |
1339 | 648e4196 | Guido Trotter | |
1340 | 648e4196 | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1341 | 5768e6a6 | René Nussbaumer | def GetNodeGroup(self, uuid): |
1342 | 5768e6a6 | René Nussbaumer | """Lookup a node group.
|
1343 | 5768e6a6 | René Nussbaumer |
|
1344 | 5768e6a6 | René Nussbaumer | @type uuid: string
|
1345 | 5768e6a6 | René Nussbaumer | @param uuid: group UUID
|
1346 | 5768e6a6 | René Nussbaumer | @rtype: L{objects.NodeGroup} or None
|
1347 | 5768e6a6 | René Nussbaumer | @return: nodegroup object, or None if not found
|
1348 | 5768e6a6 | René Nussbaumer |
|
1349 | 5768e6a6 | René Nussbaumer | """
|
1350 | 5768e6a6 | René Nussbaumer | return self._UnlockedGetNodeGroup(uuid) |
1351 | 5768e6a6 | René Nussbaumer | |
1352 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
1353 | 622444e5 | Iustin Pop | def GetAllNodeGroupsInfo(self): |
1354 | 622444e5 | Iustin Pop | """Get the configuration of all node groups.
|
1355 | 622444e5 | Iustin Pop |
|
1356 | 622444e5 | Iustin Pop | """
|
1357 | 622444e5 | Iustin Pop | return dict(self._config_data.nodegroups) |
1358 | 622444e5 | Iustin Pop | |
1359 | 1ac6f2ad | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1360 | 1ac6f2ad | Guido Trotter | def GetNodeGroupList(self): |
1361 | 1ac6f2ad | Guido Trotter | """Get a list of node groups.
|
1362 | 1ac6f2ad | Guido Trotter |
|
1363 | 1ac6f2ad | Guido Trotter | """
|
1364 | 1ac6f2ad | Guido Trotter | return self._config_data.nodegroups.keys() |
1365 | 1ac6f2ad | Guido Trotter | |
1366 | dac81741 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1367 | dac81741 | Michael Hanselmann | def GetNodeGroupMembersByNodes(self, nodes): |
1368 | dac81741 | Michael Hanselmann | """Get nodes which are member in the same nodegroups as the given nodes.
|
1369 | dac81741 | Michael Hanselmann |
|
1370 | dac81741 | Michael Hanselmann | """
|
1371 | 1c3231aa | Thomas Thrainer | ngfn = lambda node_uuid: self._UnlockedGetNodeInfo(node_uuid).group |
1372 | 1c3231aa | Thomas Thrainer | return frozenset(member_uuid |
1373 | 1c3231aa | Thomas Thrainer | for node_uuid in nodes |
1374 | 1c3231aa | Thomas Thrainer | for member_uuid in |
1375 | 1c3231aa | Thomas Thrainer | self._UnlockedGetNodeGroup(ngfn(node_uuid)).members)
|
1376 | dac81741 | Michael Hanselmann | |
1377 | 080fbeea | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1378 | 080fbeea | Michael Hanselmann | def GetMultiNodeGroupInfo(self, group_uuids): |
1379 | 080fbeea | Michael Hanselmann | """Get the configuration of multiple node groups.
|
1380 | 080fbeea | Michael Hanselmann |
|
1381 | 080fbeea | Michael Hanselmann | @param group_uuids: List of node group UUIDs
|
1382 | 080fbeea | Michael Hanselmann | @rtype: list
|
1383 | 080fbeea | Michael Hanselmann | @return: List of tuples of (group_uuid, group_info)
|
1384 | 080fbeea | Michael Hanselmann |
|
1385 | 080fbeea | Michael Hanselmann | """
|
1386 | 080fbeea | Michael Hanselmann | return [(uuid, self._UnlockedGetNodeGroup(uuid)) for uuid in group_uuids] |
1387 | 080fbeea | Michael Hanselmann | |
1388 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1389 | 0debfb35 | Guido Trotter | def AddInstance(self, instance, ec_id): |
1390 | a8083063 | Iustin Pop | """Add an instance to the config.
|
1391 | a8083063 | Iustin Pop |
|
1392 | a8083063 | Iustin Pop | This should be used after creating a new instance.
|
1393 | a8083063 | Iustin Pop |
|
1394 | c41eea6e | Iustin Pop | @type instance: L{objects.Instance}
|
1395 | c41eea6e | Iustin Pop | @param instance: the instance object
|
1396 | c41eea6e | Iustin Pop |
|
1397 | a8083063 | Iustin Pop | """
|
1398 | a8083063 | Iustin Pop | if not isinstance(instance, objects.Instance): |
1399 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed to AddInstance") |
1400 | a8083063 | Iustin Pop | |
1401 | e00fb268 | Iustin Pop | if instance.disk_template != constants.DT_DISKLESS:
|
1402 | e00fb268 | Iustin Pop | all_lvs = instance.MapLVsByNode() |
1403 | 74a48621 | Iustin Pop | logging.info("Instance '%s' DISK_LAYOUT: %s", instance.name, all_lvs)
|
1404 | 923b1523 | Iustin Pop | |
1405 | e4640214 | Guido Trotter | all_macs = self._AllMACs()
|
1406 | e4640214 | Guido Trotter | for nic in instance.nics: |
1407 | e4640214 | Guido Trotter | if nic.mac in all_macs: |
1408 | e4640214 | Guido Trotter | raise errors.ConfigurationError("Cannot add instance %s:" |
1409 | 430b923c | Iustin Pop | " MAC address '%s' already in use." %
|
1410 | 430b923c | Iustin Pop | (instance.name, nic.mac)) |
1411 | 430b923c | Iustin Pop | |
1412 | da4a52a3 | Thomas Thrainer | self._CheckUniqueUUID(instance, include_temporary=False) |
1413 | e4640214 | Guido Trotter | |
1414 | b989e85d | Iustin Pop | instance.serial_no = 1
|
1415 | d693c864 | Iustin Pop | instance.ctime = instance.mtime = time.time() |
1416 | da4a52a3 | Thomas Thrainer | self._config_data.instances[instance.uuid] = instance
|
1417 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1418 | da4a52a3 | Thomas Thrainer | self._UnlockedReleaseDRBDMinors(instance.uuid)
|
1419 | e8e079f3 | Dimitris Aragiorgis | self._UnlockedCommitTemporaryIps(ec_id)
|
1420 | a8083063 | Iustin Pop | self._WriteConfig()
|
1421 | a8083063 | Iustin Pop | |
1422 | 0debfb35 | Guido Trotter | def _EnsureUUID(self, item, ec_id): |
1423 | 430b923c | Iustin Pop | """Ensures a given object has a valid UUID.
|
1424 | 430b923c | Iustin Pop |
|
1425 | 430b923c | Iustin Pop | @param item: the instance or node to be checked
|
1426 | 0debfb35 | Guido Trotter | @param ec_id: the execution context id for the uuid reservation
|
1427 | 430b923c | Iustin Pop |
|
1428 | 430b923c | Iustin Pop | """
|
1429 | 430b923c | Iustin Pop | if not item.uuid: |
1430 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(ec_id)
|
1431 | da4a52a3 | Thomas Thrainer | else:
|
1432 | da4a52a3 | Thomas Thrainer | self._CheckUniqueUUID(item, include_temporary=True) |
1433 | da4a52a3 | Thomas Thrainer | |
1434 | da4a52a3 | Thomas Thrainer | def _CheckUniqueUUID(self, item, include_temporary): |
1435 | da4a52a3 | Thomas Thrainer | """Checks that the UUID of the given object is unique.
|
1436 | da4a52a3 | Thomas Thrainer |
|
1437 | da4a52a3 | Thomas Thrainer | @param item: the instance or node to be checked
|
1438 | da4a52a3 | Thomas Thrainer | @param include_temporary: whether temporarily generated UUID's should be
|
1439 | da4a52a3 | Thomas Thrainer | included in the check. If the UUID of the item to be checked is
|
1440 | da4a52a3 | Thomas Thrainer | a temporarily generated one, this has to be C{False}.
|
1441 | da4a52a3 | Thomas Thrainer |
|
1442 | da4a52a3 | Thomas Thrainer | """
|
1443 | da4a52a3 | Thomas Thrainer | if not item.uuid: |
1444 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("'%s' must have an UUID" % (item.name,)) |
1445 | da4a52a3 | Thomas Thrainer | if item.uuid in self._AllIDs(include_temporary=include_temporary): |
1446 | be0fc05d | Iustin Pop | raise errors.ConfigurationError("Cannot add '%s': UUID %s already" |
1447 | be0fc05d | Iustin Pop | " in use" % (item.name, item.uuid))
|
1448 | 430b923c | Iustin Pop | |
1449 | da4a52a3 | Thomas Thrainer | def _SetInstanceStatus(self, inst_uuid, status, disks_active): |
1450 | 6a408fb2 | Iustin Pop | """Set the instance's status to a given value.
|
1451 | a8083063 | Iustin Pop |
|
1452 | a8083063 | Iustin Pop | """
|
1453 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1454 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % |
1455 | da4a52a3 | Thomas Thrainer | inst_uuid) |
1456 | da4a52a3 | Thomas Thrainer | instance = self._config_data.instances[inst_uuid]
|
1457 | 1d4a4b26 | Thomas Thrainer | |
1458 | 1d4a4b26 | Thomas Thrainer | if status is None: |
1459 | 1d4a4b26 | Thomas Thrainer | status = instance.admin_state |
1460 | 1d4a4b26 | Thomas Thrainer | if disks_active is None: |
1461 | 1d4a4b26 | Thomas Thrainer | disks_active = instance.disks_active |
1462 | 1d4a4b26 | Thomas Thrainer | |
1463 | 1d4a4b26 | Thomas Thrainer | assert status in constants.ADMINST_ALL, \ |
1464 | 1d4a4b26 | Thomas Thrainer | "Invalid status '%s' passed to SetInstanceStatus" % (status,)
|
1465 | 1d4a4b26 | Thomas Thrainer | |
1466 | 1d4a4b26 | Thomas Thrainer | if instance.admin_state != status or \ |
1467 | 1d4a4b26 | Thomas Thrainer | instance.disks_active != disks_active: |
1468 | 9ca8a7c5 | Agata Murawska | instance.admin_state = status |
1469 | 1d4a4b26 | Thomas Thrainer | instance.disks_active = disks_active |
1470 | b989e85d | Iustin Pop | instance.serial_no += 1
|
1471 | d693c864 | Iustin Pop | instance.mtime = time.time() |
1472 | 455a3445 | Iustin Pop | self._WriteConfig()
|
1473 | a8083063 | Iustin Pop | |
1474 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1475 | da4a52a3 | Thomas Thrainer | def MarkInstanceUp(self, inst_uuid): |
1476 | 6a408fb2 | Iustin Pop | """Mark the instance status to up in the config.
|
1477 | 6a408fb2 | Iustin Pop |
|
1478 | 1d4a4b26 | Thomas Thrainer | This also sets the instance disks active flag.
|
1479 | 1d4a4b26 | Thomas Thrainer |
|
1480 | 6a408fb2 | Iustin Pop | """
|
1481 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, constants.ADMINST_UP, True) |
1482 | 57de31c0 | Agata Murawska | |
1483 | 57de31c0 | Agata Murawska | @locking.ssynchronized(_config_lock)
|
1484 | da4a52a3 | Thomas Thrainer | def MarkInstanceOffline(self, inst_uuid): |
1485 | 57de31c0 | Agata Murawska | """Mark the instance status to down in the config.
|
1486 | 57de31c0 | Agata Murawska |
|
1487 | 1d4a4b26 | Thomas Thrainer | This also clears the instance disks active flag.
|
1488 | 1d4a4b26 | Thomas Thrainer |
|
1489 | 57de31c0 | Agata Murawska | """
|
1490 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, constants.ADMINST_OFFLINE, False) |
1491 | 6a408fb2 | Iustin Pop | |
1492 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1493 | da4a52a3 | Thomas Thrainer | def RemoveInstance(self, inst_uuid): |
1494 | a8083063 | Iustin Pop | """Remove the instance from the configuration.
|
1495 | a8083063 | Iustin Pop |
|
1496 | a8083063 | Iustin Pop | """
|
1497 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1498 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1499 | f396ad8c | Vangelis Koukis | |
1500 | f396ad8c | Vangelis Koukis | # If a network port has been allocated to the instance,
|
1501 | f396ad8c | Vangelis Koukis | # return it to the pool of free ports.
|
1502 | da4a52a3 | Thomas Thrainer | inst = self._config_data.instances[inst_uuid]
|
1503 | f396ad8c | Vangelis Koukis | network_port = getattr(inst, "network_port", None) |
1504 | f396ad8c | Vangelis Koukis | if network_port is not None: |
1505 | f396ad8c | Vangelis Koukis | self._config_data.cluster.tcpudp_port_pool.add(network_port)
|
1506 | f396ad8c | Vangelis Koukis | |
1507 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfo(inst_uuid)
|
1508 | ced51149 | Dimitris Aragiorgis | |
1509 | ced51149 | Dimitris Aragiorgis | for nic in instance.nics: |
1510 | 9394f4d1 | Dimitris Aragiorgis | if nic.network and nic.ip: |
1511 | 1b68f268 | Helga Velroyen | # Return all IP addresses to the respective address pools
|
1512 | 9394f4d1 | Dimitris Aragiorgis | self._UnlockedCommitIp(constants.RELEASE_ACTION, nic.network, nic.ip)
|
1513 | ced51149 | Dimitris Aragiorgis | |
1514 | da4a52a3 | Thomas Thrainer | del self._config_data.instances[inst_uuid] |
1515 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1516 | a8083063 | Iustin Pop | self._WriteConfig()
|
1517 | a8083063 | Iustin Pop | |
1518 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1519 | da4a52a3 | Thomas Thrainer | def RenameInstance(self, inst_uuid, new_name): |
1520 | fc95f88f | Iustin Pop | """Rename an instance.
|
1521 | fc95f88f | Iustin Pop |
|
1522 | fc95f88f | Iustin Pop | This needs to be done in ConfigWriter and not by RemoveInstance
|
1523 | fc95f88f | Iustin Pop | combined with AddInstance as only we can guarantee an atomic
|
1524 | fc95f88f | Iustin Pop | rename.
|
1525 | fc95f88f | Iustin Pop |
|
1526 | fc95f88f | Iustin Pop | """
|
1527 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1528 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1529 | ea642319 | Michael Hanselmann | |
1530 | da4a52a3 | Thomas Thrainer | inst = self._config_data.instances[inst_uuid]
|
1531 | fc95f88f | Iustin Pop | inst.name = new_name |
1532 | b23c4333 | Manuel Franceschini | |
1533 | ea642319 | Michael Hanselmann | for (idx, disk) in enumerate(inst.disks): |
1534 | cd3b4ff4 | Helga Velroyen | if disk.dev_type in [constants.DT_FILE, constants.DT_SHARED_FILE]: |
1535 | b23c4333 | Manuel Franceschini | # rename the file paths in logical and physical id
|
1536 | b23c4333 | Manuel Franceschini | file_storage_dir = os.path.dirname(os.path.dirname(disk.logical_id[1]))
|
1537 | ea642319 | Michael Hanselmann | disk.logical_id = (disk.logical_id[0],
|
1538 | ea642319 | Michael Hanselmann | utils.PathJoin(file_storage_dir, inst.name, |
1539 | ea642319 | Michael Hanselmann | "disk%s" % idx))
|
1540 | ea642319 | Michael Hanselmann | |
1541 | 1fc34c48 | Michael Hanselmann | # Force update of ssconf files
|
1542 | 1fc34c48 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1543 | 1fc34c48 | Michael Hanselmann | |
1544 | fc95f88f | Iustin Pop | self._WriteConfig()
|
1545 | fc95f88f | Iustin Pop | |
1546 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1547 | da4a52a3 | Thomas Thrainer | def MarkInstanceDown(self, inst_uuid): |
1548 | a8083063 | Iustin Pop | """Mark the status of an instance to down in the configuration.
|
1549 | a8083063 | Iustin Pop |
|
1550 | 1d4a4b26 | Thomas Thrainer | This does not touch the instance disks active flag, as shut down instances
|
1551 | 1d4a4b26 | Thomas Thrainer | can still have active disks.
|
1552 | 1d4a4b26 | Thomas Thrainer |
|
1553 | 1d4a4b26 | Thomas Thrainer | """
|
1554 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, constants.ADMINST_DOWN, None) |
1555 | 1d4a4b26 | Thomas Thrainer | |
1556 | 1d4a4b26 | Thomas Thrainer | @locking.ssynchronized(_config_lock)
|
1557 | da4a52a3 | Thomas Thrainer | def MarkInstanceDisksActive(self, inst_uuid): |
1558 | 1d4a4b26 | Thomas Thrainer | """Mark the status of instance disks active.
|
1559 | 1d4a4b26 | Thomas Thrainer |
|
1560 | 1d4a4b26 | Thomas Thrainer | """
|
1561 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, None, True) |
1562 | 1d4a4b26 | Thomas Thrainer | |
1563 | 1d4a4b26 | Thomas Thrainer | @locking.ssynchronized(_config_lock)
|
1564 | da4a52a3 | Thomas Thrainer | def MarkInstanceDisksInactive(self, inst_uuid): |
1565 | 1d4a4b26 | Thomas Thrainer | """Mark the status of instance disks inactive.
|
1566 | 1d4a4b26 | Thomas Thrainer |
|
1567 | a8083063 | Iustin Pop | """
|
1568 | da4a52a3 | Thomas Thrainer | self._SetInstanceStatus(inst_uuid, None, False) |
1569 | a8083063 | Iustin Pop | |
1570 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceList(self): |
1571 | 94bbfece | Iustin Pop | """Get the list of instances.
|
1572 | 94bbfece | Iustin Pop |
|
1573 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1574 | 94bbfece | Iustin Pop |
|
1575 | 94bbfece | Iustin Pop | """
|
1576 | 94bbfece | Iustin Pop | return self._config_data.instances.keys() |
1577 | 94bbfece | Iustin Pop | |
1578 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1579 | a8083063 | Iustin Pop | def GetInstanceList(self): |
1580 | a8083063 | Iustin Pop | """Get the list of instances.
|
1581 | a8083063 | Iustin Pop |
|
1582 | da4a52a3 | Thomas Thrainer | @return: array of instances, ex. ['instance2-uuid', 'instance1-uuid']
|
1583 | a8083063 | Iustin Pop |
|
1584 | a8083063 | Iustin Pop | """
|
1585 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceList() |
1586 | a8083063 | Iustin Pop | |
1587 | a8083063 | Iustin Pop | def ExpandInstanceName(self, short_name): |
1588 | a8083063 | Iustin Pop | """Attempt to expand an incomplete instance name.
|
1589 | a8083063 | Iustin Pop |
|
1590 | a8083063 | Iustin Pop | """
|
1591 | da4a52a3 | Thomas Thrainer | # Locking is done in L{ConfigWriter.GetAllInstancesInfo}
|
1592 | da4a52a3 | Thomas Thrainer | all_insts = self.GetAllInstancesInfo().values()
|
1593 | da4a52a3 | Thomas Thrainer | expanded_name = _MatchNameComponentIgnoreCase( |
1594 | da4a52a3 | Thomas Thrainer | short_name, [inst.name for inst in all_insts]) |
1595 | da4a52a3 | Thomas Thrainer | |
1596 | da4a52a3 | Thomas Thrainer | if expanded_name is not None: |
1597 | da4a52a3 | Thomas Thrainer | # there has to be exactly one instance with that name
|
1598 | da4a52a3 | Thomas Thrainer | inst = (filter(lambda n: n.name == expanded_name, all_insts)[0]) |
1599 | da4a52a3 | Thomas Thrainer | return (inst.uuid, inst.name)
|
1600 | da4a52a3 | Thomas Thrainer | else:
|
1601 | 738436bf | Thomas Thrainer | return (None, None) |
1602 | a8083063 | Iustin Pop | |
1603 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceInfo(self, inst_uuid): |
1604 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1605 | 94bbfece | Iustin Pop |
|
1606 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1607 | 94bbfece | Iustin Pop |
|
1608 | 94bbfece | Iustin Pop | """
|
1609 | da4a52a3 | Thomas Thrainer | if inst_uuid not in self._config_data.instances: |
1610 | 94bbfece | Iustin Pop | return None |
1611 | 94bbfece | Iustin Pop | |
1612 | da4a52a3 | Thomas Thrainer | return self._config_data.instances[inst_uuid] |
1613 | 94bbfece | Iustin Pop | |
1614 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1615 | da4a52a3 | Thomas Thrainer | def GetInstanceInfo(self, inst_uuid): |
1616 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1617 | a8083063 | Iustin Pop |
|
1618 | 5bbd3f7f | Michael Hanselmann | It takes the information from the configuration file. Other information of
|
1619 | a8083063 | Iustin Pop | an instance are taken from the live systems.
|
1620 | a8083063 | Iustin Pop |
|
1621 | da4a52a3 | Thomas Thrainer | @param inst_uuid: UUID of the instance
|
1622 | a8083063 | Iustin Pop |
|
1623 | c41eea6e | Iustin Pop | @rtype: L{objects.Instance}
|
1624 | c41eea6e | Iustin Pop | @return: the instance object
|
1625 | a8083063 | Iustin Pop |
|
1626 | a8083063 | Iustin Pop | """
|
1627 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceInfo(inst_uuid) |
1628 | a8083063 | Iustin Pop | |
1629 | 0b2de758 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1630 | da4a52a3 | Thomas Thrainer | def GetInstanceNodeGroups(self, inst_uuid, primary_only=False): |
1631 | 2674690b | Michael Hanselmann | """Returns set of node group UUIDs for instance's nodes.
|
1632 | 2674690b | Michael Hanselmann |
|
1633 | 2674690b | Michael Hanselmann | @rtype: frozenset
|
1634 | 2674690b | Michael Hanselmann |
|
1635 | 2674690b | Michael Hanselmann | """
|
1636 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfo(inst_uuid)
|
1637 | 2674690b | Michael Hanselmann | if not instance: |
1638 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1639 | 2674690b | Michael Hanselmann | |
1640 | 2674690b | Michael Hanselmann | if primary_only:
|
1641 | 2674690b | Michael Hanselmann | nodes = [instance.primary_node] |
1642 | 2674690b | Michael Hanselmann | else:
|
1643 | 2674690b | Michael Hanselmann | nodes = instance.all_nodes |
1644 | 2674690b | Michael Hanselmann | |
1645 | 1c3231aa | Thomas Thrainer | return frozenset(self._UnlockedGetNodeInfo(node_uuid).group |
1646 | 1c3231aa | Thomas Thrainer | for node_uuid in nodes) |
1647 | 2674690b | Michael Hanselmann | |
1648 | 2674690b | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1649 | da4a52a3 | Thomas Thrainer | def GetInstanceNetworks(self, inst_uuid): |
1650 | 922610c9 | Dimitris Aragiorgis | """Returns set of network UUIDs for instance's nics.
|
1651 | 922610c9 | Dimitris Aragiorgis |
|
1652 | 922610c9 | Dimitris Aragiorgis | @rtype: frozenset
|
1653 | 922610c9 | Dimitris Aragiorgis |
|
1654 | 922610c9 | Dimitris Aragiorgis | """
|
1655 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfo(inst_uuid)
|
1656 | 922610c9 | Dimitris Aragiorgis | if not instance: |
1657 | da4a52a3 | Thomas Thrainer | raise errors.ConfigurationError("Unknown instance '%s'" % inst_uuid) |
1658 | 922610c9 | Dimitris Aragiorgis | |
1659 | 922610c9 | Dimitris Aragiorgis | networks = set()
|
1660 | 922610c9 | Dimitris Aragiorgis | for nic in instance.nics: |
1661 | 922610c9 | Dimitris Aragiorgis | if nic.network:
|
1662 | 922610c9 | Dimitris Aragiorgis | networks.add(nic.network) |
1663 | 922610c9 | Dimitris Aragiorgis | |
1664 | 922610c9 | Dimitris Aragiorgis | return frozenset(networks) |
1665 | 922610c9 | Dimitris Aragiorgis | |
1666 | 922610c9 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
1667 | da4a52a3 | Thomas Thrainer | def GetMultiInstanceInfo(self, inst_uuids): |
1668 | da4a52a3 | Thomas Thrainer | """Get the configuration of multiple instances.
|
1669 | da4a52a3 | Thomas Thrainer |
|
1670 | da4a52a3 | Thomas Thrainer | @param inst_uuids: list of instance UUIDs
|
1671 | da4a52a3 | Thomas Thrainer | @rtype: list
|
1672 | da4a52a3 | Thomas Thrainer | @return: list of tuples (instance UUID, instance_info), where
|
1673 | da4a52a3 | Thomas Thrainer | instance_info is what would GetInstanceInfo return for the
|
1674 | da4a52a3 | Thomas Thrainer | node, while keeping the original order
|
1675 | da4a52a3 | Thomas Thrainer |
|
1676 | da4a52a3 | Thomas Thrainer | """
|
1677 | da4a52a3 | Thomas Thrainer | return [(uuid, self._UnlockedGetInstanceInfo(uuid)) for uuid in inst_uuids] |
1678 | da4a52a3 | Thomas Thrainer | |
1679 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1680 | da4a52a3 | Thomas Thrainer | def GetMultiInstanceInfoByName(self, inst_names): |
1681 | 71333cb9 | Iustin Pop | """Get the configuration of multiple instances.
|
1682 | 71333cb9 | Iustin Pop |
|
1683 | da4a52a3 | Thomas Thrainer | @param inst_names: list of instance names
|
1684 | 71333cb9 | Iustin Pop | @rtype: list
|
1685 | 71333cb9 | Iustin Pop | @return: list of tuples (instance, instance_info), where
|
1686 | 71333cb9 | Iustin Pop | instance_info is what would GetInstanceInfo return for the
|
1687 | 71333cb9 | Iustin Pop | node, while keeping the original order
|
1688 | 71333cb9 | Iustin Pop |
|
1689 | 71333cb9 | Iustin Pop | """
|
1690 | da4a52a3 | Thomas Thrainer | result = [] |
1691 | da4a52a3 | Thomas Thrainer | for name in inst_names: |
1692 | da4a52a3 | Thomas Thrainer | instance = self._UnlockedGetInstanceInfoByName(name)
|
1693 | da4a52a3 | Thomas Thrainer | result.append((instance.uuid, instance)) |
1694 | da4a52a3 | Thomas Thrainer | return result
|
1695 | 71333cb9 | Iustin Pop | |
1696 | 71333cb9 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1697 | 0b2de758 | Iustin Pop | def GetAllInstancesInfo(self): |
1698 | 0b2de758 | Iustin Pop | """Get the configuration of all instances.
|
1699 | 0b2de758 | Iustin Pop |
|
1700 | 0b2de758 | Iustin Pop | @rtype: dict
|
1701 | 5fcc718f | Iustin Pop | @return: dict of (instance, instance_info), where instance_info is what
|
1702 | 0b2de758 | Iustin Pop | would GetInstanceInfo return for the node
|
1703 | 0b2de758 | Iustin Pop |
|
1704 | 0b2de758 | Iustin Pop | """
|
1705 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetAllInstancesInfo() |
1706 | da4a52a3 | Thomas Thrainer | |
1707 | da4a52a3 | Thomas Thrainer | def _UnlockedGetAllInstancesInfo(self): |
1708 | da4a52a3 | Thomas Thrainer | my_dict = dict([(inst_uuid, self._UnlockedGetInstanceInfo(inst_uuid)) |
1709 | da4a52a3 | Thomas Thrainer | for inst_uuid in self._UnlockedGetInstanceList()]) |
1710 | 0b2de758 | Iustin Pop | return my_dict
|
1711 | 0b2de758 | Iustin Pop | |
1712 | cc19798f | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1713 | cc19798f | Michael Hanselmann | def GetInstancesInfoByFilter(self, filter_fn): |
1714 | cc19798f | Michael Hanselmann | """Get instance configuration with a filter.
|
1715 | cc19798f | Michael Hanselmann |
|
1716 | cc19798f | Michael Hanselmann | @type filter_fn: callable
|
1717 | cc19798f | Michael Hanselmann | @param filter_fn: Filter function receiving instance object as parameter,
|
1718 | cc19798f | Michael Hanselmann | returning boolean. Important: this function is called while the
|
1719 | cc19798f | Michael Hanselmann | configuration locks is held. It must not do any complex work or call
|
1720 | cc19798f | Michael Hanselmann | functions potentially leading to a deadlock. Ideally it doesn't call any
|
1721 | cc19798f | Michael Hanselmann | other functions and just compares instance attributes.
|
1722 | cc19798f | Michael Hanselmann |
|
1723 | cc19798f | Michael Hanselmann | """
|
1724 | da4a52a3 | Thomas Thrainer | return dict((uuid, inst) |
1725 | da4a52a3 | Thomas Thrainer | for (uuid, inst) in self._config_data.instances.items() |
1726 | cc19798f | Michael Hanselmann | if filter_fn(inst))
|
1727 | cc19798f | Michael Hanselmann | |
1728 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1729 | da4a52a3 | Thomas Thrainer | def GetInstanceInfoByName(self, inst_name): |
1730 | da4a52a3 | Thomas Thrainer | """Get the L{objects.Instance} object for a named instance.
|
1731 | da4a52a3 | Thomas Thrainer |
|
1732 | da4a52a3 | Thomas Thrainer | @param inst_name: name of the instance to get information for
|
1733 | da4a52a3 | Thomas Thrainer | @type inst_name: string
|
1734 | da4a52a3 | Thomas Thrainer | @return: the corresponding L{objects.Instance} instance or None if no
|
1735 | da4a52a3 | Thomas Thrainer | information is available
|
1736 | da4a52a3 | Thomas Thrainer |
|
1737 | da4a52a3 | Thomas Thrainer | """
|
1738 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceInfoByName(inst_name) |
1739 | da4a52a3 | Thomas Thrainer | |
1740 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceInfoByName(self, inst_name): |
1741 | da4a52a3 | Thomas Thrainer | for inst in self._UnlockedGetAllInstancesInfo().values(): |
1742 | da4a52a3 | Thomas Thrainer | if inst.name == inst_name:
|
1743 | da4a52a3 | Thomas Thrainer | return inst
|
1744 | da4a52a3 | Thomas Thrainer | return None |
1745 | da4a52a3 | Thomas Thrainer | |
1746 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceName(self, inst_uuid): |
1747 | da4a52a3 | Thomas Thrainer | inst_info = self._UnlockedGetInstanceInfo(inst_uuid)
|
1748 | da4a52a3 | Thomas Thrainer | if inst_info is None: |
1749 | da4a52a3 | Thomas Thrainer | raise errors.OpExecError("Unknown instance: %s" % inst_uuid) |
1750 | da4a52a3 | Thomas Thrainer | return inst_info.name
|
1751 | da4a52a3 | Thomas Thrainer | |
1752 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1753 | da4a52a3 | Thomas Thrainer | def GetInstanceName(self, inst_uuid): |
1754 | da4a52a3 | Thomas Thrainer | """Gets the instance name for the passed instance.
|
1755 | da4a52a3 | Thomas Thrainer |
|
1756 | da4a52a3 | Thomas Thrainer | @param inst_uuid: instance UUID to get name for
|
1757 | da4a52a3 | Thomas Thrainer | @type inst_uuid: string
|
1758 | da4a52a3 | Thomas Thrainer | @rtype: string
|
1759 | da4a52a3 | Thomas Thrainer | @return: instance name
|
1760 | da4a52a3 | Thomas Thrainer |
|
1761 | da4a52a3 | Thomas Thrainer | """
|
1762 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceName(inst_uuid) |
1763 | da4a52a3 | Thomas Thrainer | |
1764 | da4a52a3 | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
1765 | da4a52a3 | Thomas Thrainer | def GetInstanceNames(self, inst_uuids): |
1766 | da4a52a3 | Thomas Thrainer | """Gets the instance names for the passed list of nodes.
|
1767 | da4a52a3 | Thomas Thrainer |
|
1768 | da4a52a3 | Thomas Thrainer | @param inst_uuids: list of instance UUIDs to get names for
|
1769 | da4a52a3 | Thomas Thrainer | @type inst_uuids: list of strings
|
1770 | da4a52a3 | Thomas Thrainer | @rtype: list of strings
|
1771 | da4a52a3 | Thomas Thrainer | @return: list of instance names
|
1772 | da4a52a3 | Thomas Thrainer |
|
1773 | da4a52a3 | Thomas Thrainer | """
|
1774 | da4a52a3 | Thomas Thrainer | return self._UnlockedGetInstanceNames(inst_uuids) |
1775 | da4a52a3 | Thomas Thrainer | |
1776 | da4a52a3 | Thomas Thrainer | def _UnlockedGetInstanceNames(self, inst_uuids): |
1777 | da4a52a3 | Thomas Thrainer | return [self._UnlockedGetInstanceName(uuid) for uuid in inst_uuids] |
1778 | da4a52a3 | Thomas Thrainer | |
1779 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1780 | 0debfb35 | Guido Trotter | def AddNode(self, node, ec_id): |
1781 | a8083063 | Iustin Pop | """Add a node to the configuration.
|
1782 | a8083063 | Iustin Pop |
|
1783 | c41eea6e | Iustin Pop | @type node: L{objects.Node}
|
1784 | c41eea6e | Iustin Pop | @param node: a Node instance
|
1785 | a8083063 | Iustin Pop |
|
1786 | a8083063 | Iustin Pop | """
|
1787 | 099c52ad | Iustin Pop | logging.info("Adding node %s to configuration", node.name)
|
1788 | d8470559 | Michael Hanselmann | |
1789 | 0debfb35 | Guido Trotter | self._EnsureUUID(node, ec_id)
|
1790 | 430b923c | Iustin Pop | |
1791 | b989e85d | Iustin Pop | node.serial_no = 1
|
1792 | d693c864 | Iustin Pop | node.ctime = node.mtime = time.time() |
1793 | 1c3231aa | Thomas Thrainer | self._UnlockedAddNodeToGroup(node.uuid, node.group)
|
1794 | 1c3231aa | Thomas Thrainer | self._config_data.nodes[node.uuid] = node
|
1795 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1796 | a8083063 | Iustin Pop | self._WriteConfig()
|
1797 | a8083063 | Iustin Pop | |
1798 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1799 | 1c3231aa | Thomas Thrainer | def RemoveNode(self, node_uuid): |
1800 | a8083063 | Iustin Pop | """Remove a node from the configuration.
|
1801 | a8083063 | Iustin Pop |
|
1802 | a8083063 | Iustin Pop | """
|
1803 | 1c3231aa | Thomas Thrainer | logging.info("Removing node %s from configuration", node_uuid)
|
1804 | d8470559 | Michael Hanselmann | |
1805 | 1c3231aa | Thomas Thrainer | if node_uuid not in self._config_data.nodes: |
1806 | 1c3231aa | Thomas Thrainer | raise errors.ConfigurationError("Unknown node '%s'" % node_uuid) |
1807 | a8083063 | Iustin Pop | |
1808 | 1c3231aa | Thomas Thrainer | self._UnlockedRemoveNodeFromGroup(self._config_data.nodes[node_uuid]) |
1809 | 1c3231aa | Thomas Thrainer | del self._config_data.nodes[node_uuid] |
1810 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1811 | a8083063 | Iustin Pop | self._WriteConfig()
|
1812 | a8083063 | Iustin Pop | |
1813 | a8083063 | Iustin Pop | def ExpandNodeName(self, short_name): |
1814 | 1c3231aa | Thomas Thrainer | """Attempt to expand an incomplete node name into a node UUID.
|
1815 | a8083063 | Iustin Pop |
|
1816 | a8083063 | Iustin Pop | """
|
1817 | 1c3231aa | Thomas Thrainer | # Locking is done in L{ConfigWriter.GetAllNodesInfo}
|
1818 | 1c3231aa | Thomas Thrainer | all_nodes = self.GetAllNodesInfo().values()
|
1819 | 1c3231aa | Thomas Thrainer | expanded_name = _MatchNameComponentIgnoreCase( |
1820 | 1c3231aa | Thomas Thrainer | short_name, [node.name for node in all_nodes]) |
1821 | a8083063 | Iustin Pop | |
1822 | 1c3231aa | Thomas Thrainer | if expanded_name is not None: |
1823 | da4a52a3 | Thomas Thrainer | # there has to be exactly one node with that name
|
1824 | 1c3231aa | Thomas Thrainer | node = (filter(lambda n: n.name == expanded_name, all_nodes)[0]) |
1825 | 1c3231aa | Thomas Thrainer | return (node.uuid, node.name)
|
1826 | 1c3231aa | Thomas Thrainer | else:
|
1827 | 738436bf | Thomas Thrainer | return (None, None) |
1828 | 1c3231aa | Thomas Thrainer | |
1829 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeInfo(self, node_uuid): |
1830 | a8083063 | Iustin Pop | """Get the configuration of a node, as stored in the config.
|
1831 | a8083063 | Iustin Pop |
|
1832 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1833 | c41eea6e | Iustin Pop | held.
|
1834 | f78ede4e | Guido Trotter |
|
1835 | 1c3231aa | Thomas Thrainer | @param node_uuid: the node UUID
|
1836 | a8083063 | Iustin Pop |
|
1837 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1838 | c41eea6e | Iustin Pop | @return: the node object
|
1839 | a8083063 | Iustin Pop |
|
1840 | a8083063 | Iustin Pop | """
|
1841 | 1c3231aa | Thomas Thrainer | if node_uuid not in self._config_data.nodes: |
1842 | a8083063 | Iustin Pop | return None |
1843 | a8083063 | Iustin Pop | |
1844 | 1c3231aa | Thomas Thrainer | return self._config_data.nodes[node_uuid] |
1845 | a8083063 | Iustin Pop | |
1846 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1847 | 1c3231aa | Thomas Thrainer | def GetNodeInfo(self, node_uuid): |
1848 | f78ede4e | Guido Trotter | """Get the configuration of a node, as stored in the config.
|
1849 | f78ede4e | Guido Trotter |
|
1850 | c41eea6e | Iustin Pop | This is just a locked wrapper over L{_UnlockedGetNodeInfo}.
|
1851 | f78ede4e | Guido Trotter |
|
1852 | 1c3231aa | Thomas Thrainer | @param node_uuid: the node UUID
|
1853 | c41eea6e | Iustin Pop |
|
1854 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1855 | c41eea6e | Iustin Pop | @return: the node object
|
1856 | f78ede4e | Guido Trotter |
|
1857 | f78ede4e | Guido Trotter | """
|
1858 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeInfo(node_uuid) |
1859 | f78ede4e | Guido Trotter | |
1860 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1861 | 1c3231aa | Thomas Thrainer | def GetNodeInstances(self, node_uuid): |
1862 | 8bf9e9a5 | Iustin Pop | """Get the instances of a node, as stored in the config.
|
1863 | 8bf9e9a5 | Iustin Pop |
|
1864 | 1c3231aa | Thomas Thrainer | @param node_uuid: the node UUID
|
1865 | 8bf9e9a5 | Iustin Pop |
|
1866 | 8bf9e9a5 | Iustin Pop | @rtype: (list, list)
|
1867 | 8bf9e9a5 | Iustin Pop | @return: a tuple with two lists: the primary and the secondary instances
|
1868 | 8bf9e9a5 | Iustin Pop |
|
1869 | 8bf9e9a5 | Iustin Pop | """
|
1870 | 8bf9e9a5 | Iustin Pop | pri = [] |
1871 | 8bf9e9a5 | Iustin Pop | sec = [] |
1872 | 8bf9e9a5 | Iustin Pop | for inst in self._config_data.instances.values(): |
1873 | 1c3231aa | Thomas Thrainer | if inst.primary_node == node_uuid:
|
1874 | da4a52a3 | Thomas Thrainer | pri.append(inst.uuid) |
1875 | 1c3231aa | Thomas Thrainer | if node_uuid in inst.secondary_nodes: |
1876 | da4a52a3 | Thomas Thrainer | sec.append(inst.uuid) |
1877 | 8bf9e9a5 | Iustin Pop | return (pri, sec)
|
1878 | 8bf9e9a5 | Iustin Pop | |
1879 | c71b049c | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1880 | c71b049c | Michael Hanselmann | def GetNodeGroupInstances(self, uuid, primary_only=False): |
1881 | c71b049c | Michael Hanselmann | """Get the instances of a node group.
|
1882 | c71b049c | Michael Hanselmann |
|
1883 | c71b049c | Michael Hanselmann | @param uuid: Node group UUID
|
1884 | c71b049c | Michael Hanselmann | @param primary_only: Whether to only consider primary nodes
|
1885 | c71b049c | Michael Hanselmann | @rtype: frozenset
|
1886 | da4a52a3 | Thomas Thrainer | @return: List of instance UUIDs in node group
|
1887 | c71b049c | Michael Hanselmann |
|
1888 | c71b049c | Michael Hanselmann | """
|
1889 | c71b049c | Michael Hanselmann | if primary_only:
|
1890 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: [inst.primary_node]
|
1891 | c71b049c | Michael Hanselmann | else:
|
1892 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: inst.all_nodes
|
1893 | c71b049c | Michael Hanselmann | |
1894 | da4a52a3 | Thomas Thrainer | return frozenset(inst.uuid |
1895 | c71b049c | Michael Hanselmann | for inst in self._config_data.instances.values() |
1896 | 1c3231aa | Thomas Thrainer | for node_uuid in nodes_fn(inst) |
1897 | 1c3231aa | Thomas Thrainer | if self._UnlockedGetNodeInfo(node_uuid).group == uuid) |
1898 | c71b049c | Michael Hanselmann | |
1899 | def6577f | Helga Velroyen | def _UnlockedGetHvparamsString(self, hvname): |
1900 | def6577f | Helga Velroyen | """Return the string representation of the list of hyervisor parameters of
|
1901 | def6577f | Helga Velroyen | the given hypervisor.
|
1902 | def6577f | Helga Velroyen |
|
1903 | def6577f | Helga Velroyen | @see: C{GetHvparams}
|
1904 | def6577f | Helga Velroyen |
|
1905 | def6577f | Helga Velroyen | """
|
1906 | def6577f | Helga Velroyen | result = ""
|
1907 | def6577f | Helga Velroyen | hvparams = self._config_data.cluster.hvparams[hvname]
|
1908 | def6577f | Helga Velroyen | for key in hvparams: |
1909 | def6577f | Helga Velroyen | result += "%s=%s\n" % (key, hvparams[key])
|
1910 | def6577f | Helga Velroyen | return result
|
1911 | def6577f | Helga Velroyen | |
1912 | def6577f | Helga Velroyen | @locking.ssynchronized(_config_lock, shared=1) |
1913 | def6577f | Helga Velroyen | def GetHvparamsString(self, hvname): |
1914 | def6577f | Helga Velroyen | """Return the hypervisor parameters of the given hypervisor.
|
1915 | def6577f | Helga Velroyen |
|
1916 | def6577f | Helga Velroyen | @type hvname: string
|
1917 | def6577f | Helga Velroyen | @param hvname: name of a hypervisor
|
1918 | def6577f | Helga Velroyen | @rtype: string
|
1919 | def6577f | Helga Velroyen | @return: string containing key-value-pairs, one pair on each line;
|
1920 | def6577f | Helga Velroyen | format: KEY=VALUE
|
1921 | def6577f | Helga Velroyen |
|
1922 | def6577f | Helga Velroyen | """
|
1923 | def6577f | Helga Velroyen | return self._UnlockedGetHvparamsString(hvname) |
1924 | def6577f | Helga Velroyen | |
1925 | f78ede4e | Guido Trotter | def _UnlockedGetNodeList(self): |
1926 | a8083063 | Iustin Pop | """Return the list of nodes which are in the configuration.
|
1927 | a8083063 | Iustin Pop |
|
1928 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1929 | c41eea6e | Iustin Pop | held.
|
1930 | c41eea6e | Iustin Pop |
|
1931 | c41eea6e | Iustin Pop | @rtype: list
|
1932 | f78ede4e | Guido Trotter |
|
1933 | a8083063 | Iustin Pop | """
|
1934 | a8083063 | Iustin Pop | return self._config_data.nodes.keys() |
1935 | a8083063 | Iustin Pop | |
1936 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1937 | f78ede4e | Guido Trotter | def GetNodeList(self): |
1938 | f78ede4e | Guido Trotter | """Return the list of nodes which are in the configuration.
|
1939 | f78ede4e | Guido Trotter |
|
1940 | f78ede4e | Guido Trotter | """
|
1941 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeList() |
1942 | f78ede4e | Guido Trotter | |
1943 | 6819dc49 | Iustin Pop | def _UnlockedGetOnlineNodeList(self): |
1944 | 94a02bb5 | Iustin Pop | """Return the list of nodes which are online.
|
1945 | 94a02bb5 | Iustin Pop |
|
1946 | 94a02bb5 | Iustin Pop | """
|
1947 | 94a02bb5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1948 | 94a02bb5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1949 | 1c3231aa | Thomas Thrainer | return [node.uuid for node in all_nodes if not node.offline] |
1950 | 94a02bb5 | Iustin Pop | |
1951 | 94a02bb5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1952 | 6819dc49 | Iustin Pop | def GetOnlineNodeList(self): |
1953 | 6819dc49 | Iustin Pop | """Return the list of nodes which are online.
|
1954 | 6819dc49 | Iustin Pop |
|
1955 | 6819dc49 | Iustin Pop | """
|
1956 | 6819dc49 | Iustin Pop | return self._UnlockedGetOnlineNodeList() |
1957 | 6819dc49 | Iustin Pop | |
1958 | 6819dc49 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1959 | 075b62ca | Iustin Pop | def GetVmCapableNodeList(self): |
1960 | 075b62ca | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1961 | 075b62ca | Iustin Pop |
|
1962 | 075b62ca | Iustin Pop | """
|
1963 | 075b62ca | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1964 | 075b62ca | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1965 | 1c3231aa | Thomas Thrainer | return [node.uuid for node in all_nodes if node.vm_capable] |
1966 | 075b62ca | Iustin Pop | |
1967 | 075b62ca | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1968 | 8bf9e9a5 | Iustin Pop | def GetNonVmCapableNodeList(self): |
1969 | 8bf9e9a5 | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1970 | 8bf9e9a5 | Iustin Pop |
|
1971 | 8bf9e9a5 | Iustin Pop | """
|
1972 | 8bf9e9a5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1973 | 8bf9e9a5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1974 | 1c3231aa | Thomas Thrainer | return [node.uuid for node in all_nodes if not node.vm_capable] |
1975 | 8bf9e9a5 | Iustin Pop | |
1976 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1977 | 1c3231aa | Thomas Thrainer | def GetMultiNodeInfo(self, node_uuids): |
1978 | f5eaa3c1 | Iustin Pop | """Get the configuration of multiple nodes.
|
1979 | f5eaa3c1 | Iustin Pop |
|
1980 | 1c3231aa | Thomas Thrainer | @param node_uuids: list of node UUIDs
|
1981 | f5eaa3c1 | Iustin Pop | @rtype: list
|
1982 | f5eaa3c1 | Iustin Pop | @return: list of tuples of (node, node_info), where node_info is
|
1983 | f5eaa3c1 | Iustin Pop | what would GetNodeInfo return for the node, in the original
|
1984 | f5eaa3c1 | Iustin Pop | order
|
1985 | f5eaa3c1 | Iustin Pop |
|
1986 | f5eaa3c1 | Iustin Pop | """
|
1987 | 1c3231aa | Thomas Thrainer | return [(uuid, self._UnlockedGetNodeInfo(uuid)) for uuid in node_uuids] |
1988 | 1c3231aa | Thomas Thrainer | |
1989 | 1c3231aa | Thomas Thrainer | def _UnlockedGetAllNodesInfo(self): |
1990 | 1c3231aa | Thomas Thrainer | """Gets configuration of all nodes.
|
1991 | 1c3231aa | Thomas Thrainer |
|
1992 | 1c3231aa | Thomas Thrainer | @note: See L{GetAllNodesInfo}
|
1993 | 1c3231aa | Thomas Thrainer |
|
1994 | 1c3231aa | Thomas Thrainer | """
|
1995 | 1c3231aa | Thomas Thrainer | return dict([(node_uuid, self._UnlockedGetNodeInfo(node_uuid)) |
1996 | 1c3231aa | Thomas Thrainer | for node_uuid in self._UnlockedGetNodeList()]) |
1997 | f5eaa3c1 | Iustin Pop | |
1998 | f5eaa3c1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1999 | d65e5776 | Iustin Pop | def GetAllNodesInfo(self): |
2000 | d65e5776 | Iustin Pop | """Get the configuration of all nodes.
|
2001 | d65e5776 | Iustin Pop |
|
2002 | d65e5776 | Iustin Pop | @rtype: dict
|
2003 | ec0292f1 | Iustin Pop | @return: dict of (node, node_info), where node_info is what
|
2004 | d65e5776 | Iustin Pop | would GetNodeInfo return for the node
|
2005 | d65e5776 | Iustin Pop |
|
2006 | d65e5776 | Iustin Pop | """
|
2007 | ee14d800 | Michael Hanselmann | return self._UnlockedGetAllNodesInfo() |
2008 | ee14d800 | Michael Hanselmann | |
2009 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeInfoByName(self, node_name): |
2010 | 1c3231aa | Thomas Thrainer | for node in self._UnlockedGetAllNodesInfo().values(): |
2011 | 1c3231aa | Thomas Thrainer | if node.name == node_name:
|
2012 | 1c3231aa | Thomas Thrainer | return node
|
2013 | 1c3231aa | Thomas Thrainer | return None |
2014 | ee14d800 | Michael Hanselmann | |
2015 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
2016 | 1c3231aa | Thomas Thrainer | def GetNodeInfoByName(self, node_name): |
2017 | 1c3231aa | Thomas Thrainer | """Get the L{objects.Node} object for a named node.
|
2018 | 1c3231aa | Thomas Thrainer |
|
2019 | 1c3231aa | Thomas Thrainer | @param node_name: name of the node to get information for
|
2020 | 1c3231aa | Thomas Thrainer | @type node_name: string
|
2021 | 1c3231aa | Thomas Thrainer | @return: the corresponding L{objects.Node} instance or None if no
|
2022 | 1c3231aa | Thomas Thrainer | information is available
|
2023 | 1c3231aa | Thomas Thrainer |
|
2024 | 1c3231aa | Thomas Thrainer | """
|
2025 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeInfoByName(node_name) |
2026 | 1c3231aa | Thomas Thrainer | |
2027 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeName(self, node_spec): |
2028 | 1c3231aa | Thomas Thrainer | if isinstance(node_spec, objects.Node): |
2029 | 1c3231aa | Thomas Thrainer | return node_spec.name
|
2030 | 1c3231aa | Thomas Thrainer | elif isinstance(node_spec, basestring): |
2031 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_spec)
|
2032 | 1c3231aa | Thomas Thrainer | if node_info is None: |
2033 | 1c3231aa | Thomas Thrainer | raise errors.OpExecError("Unknown node: %s" % node_spec) |
2034 | 1c3231aa | Thomas Thrainer | return node_info.name
|
2035 | 1c3231aa | Thomas Thrainer | else:
|
2036 | 1c3231aa | Thomas Thrainer | raise errors.ProgrammerError("Can't handle node spec '%s'" % node_spec) |
2037 | 1c3231aa | Thomas Thrainer | |
2038 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
2039 | 1c3231aa | Thomas Thrainer | def GetNodeName(self, node_spec): |
2040 | 1c3231aa | Thomas Thrainer | """Gets the node name for the passed node.
|
2041 | 1c3231aa | Thomas Thrainer |
|
2042 | 1c3231aa | Thomas Thrainer | @param node_spec: node to get names for
|
2043 | 1c3231aa | Thomas Thrainer | @type node_spec: either node UUID or a L{objects.Node} object
|
2044 | 1c3231aa | Thomas Thrainer | @rtype: string
|
2045 | 1c3231aa | Thomas Thrainer | @return: node name
|
2046 | 1c3231aa | Thomas Thrainer |
|
2047 | 1c3231aa | Thomas Thrainer | """
|
2048 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeName(node_spec) |
2049 | 1c3231aa | Thomas Thrainer | |
2050 | 1c3231aa | Thomas Thrainer | def _UnlockedGetNodeNames(self, node_specs): |
2051 | 1c3231aa | Thomas Thrainer | return [self._UnlockedGetNodeName(node_spec) for node_spec in node_specs] |
2052 | 1c3231aa | Thomas Thrainer | |
2053 | 1c3231aa | Thomas Thrainer | @locking.ssynchronized(_config_lock, shared=1) |
2054 | 1c3231aa | Thomas Thrainer | def GetNodeNames(self, node_specs): |
2055 | 1c3231aa | Thomas Thrainer | """Gets the node names for the passed list of nodes.
|
2056 | 1c3231aa | Thomas Thrainer |
|
2057 | 1c3231aa | Thomas Thrainer | @param node_specs: list of nodes to get names for
|
2058 | 1c3231aa | Thomas Thrainer | @type node_specs: list of either node UUIDs or L{objects.Node} objects
|
2059 | 1c3231aa | Thomas Thrainer | @rtype: list of strings
|
2060 | 1c3231aa | Thomas Thrainer | @return: list of node names
|
2061 | ee14d800 | Michael Hanselmann |
|
2062 | ee14d800 | Michael Hanselmann | """
|
2063 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetNodeNames(node_specs) |
2064 | d65e5776 | Iustin Pop | |
2065 | 9d5b1371 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
2066 | 1c3231aa | Thomas Thrainer | def GetNodeGroupsFromNodes(self, node_uuids): |
2067 | 9d5b1371 | Michael Hanselmann | """Returns groups for a list of nodes.
|
2068 | 9d5b1371 | Michael Hanselmann |
|
2069 | 1c3231aa | Thomas Thrainer | @type node_uuids: list of string
|
2070 | 1c3231aa | Thomas Thrainer | @param node_uuids: List of node UUIDs
|
2071 | 9d5b1371 | Michael Hanselmann | @rtype: frozenset
|
2072 | 9d5b1371 | Michael Hanselmann |
|
2073 | 9d5b1371 | Michael Hanselmann | """
|
2074 | 1c3231aa | Thomas Thrainer | return frozenset(self._UnlockedGetNodeInfo(uuid).group |
2075 | 1c3231aa | Thomas Thrainer | for uuid in node_uuids) |
2076 | 9d5b1371 | Michael Hanselmann | |
2077 | 23f06b2b | Iustin Pop | def _UnlockedGetMasterCandidateStats(self, exceptions=None): |
2078 | ec0292f1 | Iustin Pop | """Get the number of current and maximum desired and possible candidates.
|
2079 | ec0292f1 | Iustin Pop |
|
2080 | 23f06b2b | Iustin Pop | @type exceptions: list
|
2081 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
2082 | ec0292f1 | Iustin Pop | @rtype: tuple
|
2083 | e623dbe3 | Guido Trotter | @return: tuple of (current, desired and possible, possible)
|
2084 | ec0292f1 | Iustin Pop |
|
2085 | ec0292f1 | Iustin Pop | """
|
2086 | e623dbe3 | Guido Trotter | mc_now = mc_should = mc_max = 0
|
2087 | 23f06b2b | Iustin Pop | for node in self._config_data.nodes.values(): |
2088 | 1c3231aa | Thomas Thrainer | if exceptions and node.uuid in exceptions: |
2089 | 23f06b2b | Iustin Pop | continue
|
2090 | 490acd18 | Iustin Pop | if not (node.offline or node.drained) and node.master_capable: |
2091 | ec0292f1 | Iustin Pop | mc_max += 1
|
2092 | ec0292f1 | Iustin Pop | if node.master_candidate:
|
2093 | ec0292f1 | Iustin Pop | mc_now += 1
|
2094 | e623dbe3 | Guido Trotter | mc_should = min(mc_max, self._config_data.cluster.candidate_pool_size) |
2095 | e623dbe3 | Guido Trotter | return (mc_now, mc_should, mc_max)
|
2096 | ec0292f1 | Iustin Pop | |
2097 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
2098 | 23f06b2b | Iustin Pop | def GetMasterCandidateStats(self, exceptions=None): |
2099 | ec0292f1 | Iustin Pop | """Get the number of current and maximum possible candidates.
|
2100 | ec0292f1 | Iustin Pop |
|
2101 | ec0292f1 | Iustin Pop | This is just a wrapper over L{_UnlockedGetMasterCandidateStats}.
|
2102 | ec0292f1 | Iustin Pop |
|
2103 | 23f06b2b | Iustin Pop | @type exceptions: list
|
2104 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
2105 | ec0292f1 | Iustin Pop | @rtype: tuple
|
2106 | ec0292f1 | Iustin Pop | @return: tuple of (current, max)
|
2107 | ec0292f1 | Iustin Pop |
|
2108 | ec0292f1 | Iustin Pop | """
|
2109 | 23f06b2b | Iustin Pop | return self._UnlockedGetMasterCandidateStats(exceptions) |
2110 | ec0292f1 | Iustin Pop | |
2111 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
2112 | 1c3231aa | Thomas Thrainer | def MaintainCandidatePool(self, exception_node_uuids): |
2113 | ec0292f1 | Iustin Pop | """Try to grow the candidate pool to the desired size.
|
2114 | ec0292f1 | Iustin Pop |
|
2115 | 1c3231aa | Thomas Thrainer | @type exception_node_uuids: list
|
2116 | 1c3231aa | Thomas Thrainer | @param exception_node_uuids: if passed, list of nodes that should be ignored
|
2117 | ec0292f1 | Iustin Pop | @rtype: list
|
2118 | ee513a66 | Iustin Pop | @return: list with the adjusted nodes (L{objects.Node} instances)
|
2119 | ec0292f1 | Iustin Pop |
|
2120 | ec0292f1 | Iustin Pop | """
|
2121 | 1c3231aa | Thomas Thrainer | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats(
|
2122 | 1c3231aa | Thomas Thrainer | exception_node_uuids) |
2123 | ec0292f1 | Iustin Pop | mod_list = [] |
2124 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
2125 | ec0292f1 | Iustin Pop | node_list = self._config_data.nodes.keys()
|
2126 | ec0292f1 | Iustin Pop | random.shuffle(node_list) |
2127 | 1c3231aa | Thomas Thrainer | for uuid in node_list: |
2128 | ec0292f1 | Iustin Pop | if mc_now >= mc_max:
|
2129 | ec0292f1 | Iustin Pop | break
|
2130 | 1c3231aa | Thomas Thrainer | node = self._config_data.nodes[uuid]
|
2131 | 44485f49 | Guido Trotter | if (node.master_candidate or node.offline or node.drained or |
2132 | 1c3231aa | Thomas Thrainer | node.uuid in exception_node_uuids or not node.master_capable): |
2133 | ec0292f1 | Iustin Pop | continue
|
2134 | ee513a66 | Iustin Pop | mod_list.append(node) |
2135 | ec0292f1 | Iustin Pop | node.master_candidate = True
|
2136 | ec0292f1 | Iustin Pop | node.serial_no += 1
|
2137 | ec0292f1 | Iustin Pop | mc_now += 1
|
2138 | ec0292f1 | Iustin Pop | if mc_now != mc_max:
|
2139 | ec0292f1 | Iustin Pop | # this should not happen
|
2140 | ec0292f1 | Iustin Pop | logging.warning("Warning: MaintainCandidatePool didn't manage to"
|
2141 | ec0292f1 | Iustin Pop | " fill the candidate pool (%d/%d)", mc_now, mc_max)
|
2142 | ec0292f1 | Iustin Pop | if mod_list:
|
2143 | ec0292f1 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2144 | ec0292f1 | Iustin Pop | self._WriteConfig()
|
2145 | ec0292f1 | Iustin Pop | |
2146 | ec0292f1 | Iustin Pop | return mod_list
|
2147 | ec0292f1 | Iustin Pop | |
2148 | 1c3231aa | Thomas Thrainer | def _UnlockedAddNodeToGroup(self, node_uuid, nodegroup_uuid): |
2149 | 190e3cb6 | Guido Trotter | """Add a given node to the specified group.
|
2150 | 190e3cb6 | Guido Trotter |
|
2151 | 190e3cb6 | Guido Trotter | """
|
2152 | 190e3cb6 | Guido Trotter | if nodegroup_uuid not in self._config_data.nodegroups: |
2153 | 190e3cb6 | Guido Trotter | # This can happen if a node group gets deleted between its lookup and
|
2154 | 190e3cb6 | Guido Trotter | # when we're adding the first node to it, since we don't keep a lock in
|
2155 | 190e3cb6 | Guido Trotter | # the meantime. It's ok though, as we'll fail cleanly if the node group
|
2156 | 190e3cb6 | Guido Trotter | # is not found anymore.
|
2157 | f936c153 | Iustin Pop | raise errors.OpExecError("Unknown node group: %s" % nodegroup_uuid) |
2158 | 1c3231aa | Thomas Thrainer | if node_uuid not in self._config_data.nodegroups[nodegroup_uuid].members: |
2159 | 1c3231aa | Thomas Thrainer | self._config_data.nodegroups[nodegroup_uuid].members.append(node_uuid)
|
2160 | 190e3cb6 | Guido Trotter | |
2161 | 190e3cb6 | Guido Trotter | def _UnlockedRemoveNodeFromGroup(self, node): |
2162 | 190e3cb6 | Guido Trotter | """Remove a given node from its group.
|
2163 | 190e3cb6 | Guido Trotter |
|
2164 | 190e3cb6 | Guido Trotter | """
|
2165 | f936c153 | Iustin Pop | nodegroup = node.group |
2166 | 190e3cb6 | Guido Trotter | if nodegroup not in self._config_data.nodegroups: |
2167 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' has unknown node group '%s'"
|
2168 | 1c3231aa | Thomas Thrainer | " (while being removed from it)", node.uuid, nodegroup)
|
2169 | 190e3cb6 | Guido Trotter | nodegroup_obj = self._config_data.nodegroups[nodegroup]
|
2170 | 1c3231aa | Thomas Thrainer | if node.uuid not in nodegroup_obj.members: |
2171 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' not a member of its node group '%s'"
|
2172 | 1c3231aa | Thomas Thrainer | " (while being removed from it)", node.uuid, nodegroup)
|
2173 | 190e3cb6 | Guido Trotter | else:
|
2174 | 1c3231aa | Thomas Thrainer | nodegroup_obj.members.remove(node.uuid) |
2175 | 190e3cb6 | Guido Trotter | |
2176 | 54c31fd3 | Michael Hanselmann | @locking.ssynchronized(_config_lock)
|
2177 | 54c31fd3 | Michael Hanselmann | def AssignGroupNodes(self, mods): |
2178 | 54c31fd3 | Michael Hanselmann | """Changes the group of a number of nodes.
|
2179 | 54c31fd3 | Michael Hanselmann |
|
2180 | 54c31fd3 | Michael Hanselmann | @type mods: list of tuples; (node name, new group UUID)
|
2181 | 1d4930b9 | Michael Hanselmann | @param mods: Node membership modifications
|
2182 | 54c31fd3 | Michael Hanselmann |
|
2183 | 54c31fd3 | Michael Hanselmann | """
|
2184 | 54c31fd3 | Michael Hanselmann | groups = self._config_data.nodegroups
|
2185 | 54c31fd3 | Michael Hanselmann | nodes = self._config_data.nodes
|
2186 | 54c31fd3 | Michael Hanselmann | |
2187 | 54c31fd3 | Michael Hanselmann | resmod = [] |
2188 | 54c31fd3 | Michael Hanselmann | |
2189 | 1c3231aa | Thomas Thrainer | # Try to resolve UUIDs first
|
2190 | 1c3231aa | Thomas Thrainer | for (node_uuid, new_group_uuid) in mods: |
2191 | 54c31fd3 | Michael Hanselmann | try:
|
2192 | 1c3231aa | Thomas Thrainer | node = nodes[node_uuid] |
2193 | 54c31fd3 | Michael Hanselmann | except KeyError: |
2194 | 1c3231aa | Thomas Thrainer | raise errors.ConfigurationError("Unable to find node '%s'" % node_uuid) |
2195 | 54c31fd3 | Michael Hanselmann | |
2196 | 54c31fd3 | Michael Hanselmann | if node.group == new_group_uuid:
|
2197 | 54c31fd3 | Michael Hanselmann | # Node is being assigned to its current group
|
2198 | 54c31fd3 | Michael Hanselmann | logging.debug("Node '%s' was assigned to its current group (%s)",
|
2199 | 1c3231aa | Thomas Thrainer | node_uuid, node.group) |
2200 | 54c31fd3 | Michael Hanselmann | continue
|
2201 | 54c31fd3 | Michael Hanselmann | |
2202 | 54c31fd3 | Michael Hanselmann | # Try to find current group of node
|
2203 | 54c31fd3 | Michael Hanselmann | try:
|
2204 | 54c31fd3 | Michael Hanselmann | old_group = groups[node.group] |
2205 | 54c31fd3 | Michael Hanselmann | except KeyError: |
2206 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find old group '%s'" % |
2207 | 54c31fd3 | Michael Hanselmann | node.group) |
2208 | 54c31fd3 | Michael Hanselmann | |
2209 | 54c31fd3 | Michael Hanselmann | # Try to find new group for node
|
2210 | 54c31fd3 | Michael Hanselmann | try:
|
2211 | 54c31fd3 | Michael Hanselmann | new_group = groups[new_group_uuid] |
2212 | 54c31fd3 | Michael Hanselmann | except KeyError: |
2213 | 54c31fd3 | Michael Hanselmann | raise errors.ConfigurationError("Unable to find new group '%s'" % |
2214 | 54c31fd3 | Michael Hanselmann | new_group_uuid) |
2215 | 54c31fd3 | Michael Hanselmann | |
2216 | 1c3231aa | Thomas Thrainer | assert node.uuid in old_group.members, \ |
2217 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' not listed in members for its"
|
2218 | 1c3231aa | Thomas Thrainer | " old group '%s'" % (node.uuid, old_group.uuid))
|
2219 | 1c3231aa | Thomas Thrainer | assert node.uuid not in new_group.members, \ |
2220 | 54c31fd3 | Michael Hanselmann | ("Inconsistent configuration: node '%s' already listed in members for"
|
2221 | 1c3231aa | Thomas Thrainer | " its new group '%s'" % (node.uuid, new_group.uuid))
|
2222 | 54c31fd3 | Michael Hanselmann | |
2223 | 54c31fd3 | Michael Hanselmann | resmod.append((node, old_group, new_group)) |
2224 | 54c31fd3 | Michael Hanselmann | |
2225 | 54c31fd3 | Michael Hanselmann | # Apply changes
|
2226 | 54c31fd3 | Michael Hanselmann | for (node, old_group, new_group) in resmod: |
2227 | 54c31fd3 | Michael Hanselmann | assert node.uuid != new_group.uuid and old_group.uuid != new_group.uuid, \ |
2228 | 54c31fd3 | Michael Hanselmann | "Assigning to current group is not possible"
|
2229 | 54c31fd3 | Michael Hanselmann | |
2230 | 54c31fd3 | Michael Hanselmann | node.group = new_group.uuid |
2231 | 54c31fd3 | Michael Hanselmann | |
2232 | 54c31fd3 | Michael Hanselmann | # Update members of involved groups
|
2233 | 1c3231aa | Thomas Thrainer | if node.uuid in old_group.members: |
2234 | 1c3231aa | Thomas Thrainer | old_group.members.remove(node.uuid) |
2235 | 1c3231aa | Thomas Thrainer | if node.uuid not in new_group.members: |
2236 | 1c3231aa | Thomas Thrainer | new_group.members.append(node.uuid) |
2237 | 54c31fd3 | Michael Hanselmann | |
2238 | 54c31fd3 | Michael Hanselmann | # Update timestamps and serials (only once per node/group object)
|
2239 | 54c31fd3 | Michael Hanselmann | now = time.time() |
2240 | 75191077 | Michael Hanselmann | for obj in frozenset(itertools.chain(*resmod)): # pylint: disable=W0142 |
2241 | 54c31fd3 | Michael Hanselmann | obj.serial_no += 1
|
2242 | 54c31fd3 | Michael Hanselmann | obj.mtime = now |
2243 | 54c31fd3 | Michael Hanselmann | |
2244 | 54c31fd3 | Michael Hanselmann | # Force ssconf update
|
2245 | 54c31fd3 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
2246 | 54c31fd3 | Michael Hanselmann | |
2247 | 54c31fd3 | Michael Hanselmann | self._WriteConfig()
|
2248 | 54c31fd3 | Michael Hanselmann | |
2249 | a8083063 | Iustin Pop | def _BumpSerialNo(self): |
2250 | a8083063 | Iustin Pop | """Bump up the serial number of the config.
|
2251 | a8083063 | Iustin Pop |
|
2252 | a8083063 | Iustin Pop | """
|
2253 | 9d38c6e1 | Iustin Pop | self._config_data.serial_no += 1 |
2254 | d693c864 | Iustin Pop | self._config_data.mtime = time.time()
|
2255 | a8083063 | Iustin Pop | |
2256 | 76d5d3a3 | Iustin Pop | def _AllUUIDObjects(self): |
2257 | 76d5d3a3 | Iustin Pop | """Returns all objects with uuid attributes.
|
2258 | 76d5d3a3 | Iustin Pop |
|
2259 | 76d5d3a3 | Iustin Pop | """
|
2260 | 76d5d3a3 | Iustin Pop | return (self._config_data.instances.values() + |
2261 | 76d5d3a3 | Iustin Pop | self._config_data.nodes.values() +
|
2262 | 3df43542 | Guido Trotter | self._config_data.nodegroups.values() +
|
2263 | e0519c34 | Dimitris Aragiorgis | self._config_data.networks.values() +
|
2264 | b87a9c5f | Christos Stavrakakis | self._AllDisks() +
|
2265 | b87a9c5f | Christos Stavrakakis | self._AllNICs() +
|
2266 | 76d5d3a3 | Iustin Pop | [self._config_data.cluster])
|
2267 | 76d5d3a3 | Iustin Pop | |
2268 | eb180fe2 | Iustin Pop | def _OpenConfig(self, accept_foreign): |
2269 | a8083063 | Iustin Pop | """Read the config data from disk.
|
2270 | a8083063 | Iustin Pop |
|
2271 | a8083063 | Iustin Pop | """
|
2272 | 13998ef2 | Michael Hanselmann | raw_data = utils.ReadFile(self._cfg_file)
|
2273 | 13998ef2 | Michael Hanselmann | |
2274 | a8083063 | Iustin Pop | try:
|
2275 | 13998ef2 | Michael Hanselmann | data = objects.ConfigData.FromDict(serializer.Load(raw_data)) |
2276 | 13998ef2 | Michael Hanselmann | except Exception, err: |
2277 | 13998ef2 | Michael Hanselmann | raise errors.ConfigurationError(err)
|
2278 | 5b263ed7 | Michael Hanselmann | |
2279 | 5b263ed7 | Michael Hanselmann | # Make sure the configuration has the right version
|
2280 | 5b263ed7 | Michael Hanselmann | _ValidateConfig(data) |
2281 | 5b263ed7 | Michael Hanselmann | |
2282 | 3ccb3a64 | Michael Hanselmann | if (not hasattr(data, "cluster") or |
2283 | 3ccb3a64 | Michael Hanselmann | not hasattr(data.cluster, "rsahostkeypub")): |
2284 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Incomplete configuration" |
2285 | 243cdbcc | Michael Hanselmann | " (missing cluster.rsahostkeypub)")
|
2286 | 90d726a8 | Iustin Pop | |
2287 | 1c3231aa | Thomas Thrainer | if not data.cluster.master_node in data.nodes: |
2288 | 1c3231aa | Thomas Thrainer | msg = ("The configuration denotes node %s as master, but does not"
|
2289 | 1c3231aa | Thomas Thrainer | " contain information about this node" %
|
2290 | 1c3231aa | Thomas Thrainer | data.cluster.master_node) |
2291 | 1c3231aa | Thomas Thrainer | raise errors.ConfigurationError(msg)
|
2292 | 1c3231aa | Thomas Thrainer | |
2293 | 1c3231aa | Thomas Thrainer | master_info = data.nodes[data.cluster.master_node] |
2294 | 1c3231aa | Thomas Thrainer | if master_info.name != self._my_hostname and not accept_foreign: |
2295 | eb180fe2 | Iustin Pop | msg = ("The configuration denotes node %s as master, while my"
|
2296 | eb180fe2 | Iustin Pop | " hostname is %s; opening a foreign configuration is only"
|
2297 | eb180fe2 | Iustin Pop | " possible in accept_foreign mode" %
|
2298 | 1c3231aa | Thomas Thrainer | (master_info.name, self._my_hostname))
|
2299 | eb180fe2 | Iustin Pop | raise errors.ConfigurationError(msg)
|
2300 | eb180fe2 | Iustin Pop | |
2301 | a8083063 | Iustin Pop | self._config_data = data
|
2302 | 3c7f6c44 | Iustin Pop | # reset the last serial as -1 so that the next write will cause
|
2303 | 0779e3aa | Iustin Pop | # ssconf update
|
2304 | 0779e3aa | Iustin Pop | self._last_cluster_serial = -1 |
2305 | a8083063 | Iustin Pop | |
2306 | 45f62156 | Bernardo Dal Seno | # Upgrade configuration if needed
|
2307 | 76d5d3a3 | Iustin Pop | self._UpgradeConfig()
|
2308 | 76d5d3a3 | Iustin Pop | |
2309 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(path=self._cfg_file) |
2310 | bd407597 | Iustin Pop | |
2311 | 76d5d3a3 | Iustin Pop | def _UpgradeConfig(self): |
2312 | 45f62156 | Bernardo Dal Seno | """Run any upgrade steps.
|
2313 | 76d5d3a3 | Iustin Pop |
|
2314 | 45f62156 | Bernardo Dal Seno | This method performs both in-object upgrades and also update some data
|
2315 | 45f62156 | Bernardo Dal Seno | elements that need uniqueness across the whole configuration or interact
|
2316 | 45f62156 | Bernardo Dal Seno | with other objects.
|
2317 | 76d5d3a3 | Iustin Pop |
|
2318 | 111c4e2f | Guido Trotter | @warning: this function will call L{_WriteConfig()}, but also
|
2319 | 111c4e2f | Guido Trotter | L{DropECReservations} so it needs to be called only from a
|
2320 | 111c4e2f | Guido Trotter | "safe" place (the constructor). If one wanted to call it with
|
2321 | 111c4e2f | Guido Trotter | the lock held, a DropECReservationUnlocked would need to be
|
2322 | 111c4e2f | Guido Trotter | created first, to avoid causing deadlock.
|
2323 | 76d5d3a3 | Iustin Pop |
|
2324 | 76d5d3a3 | Iustin Pop | """
|
2325 | 45f62156 | Bernardo Dal Seno | # Keep a copy of the persistent part of _config_data to check for changes
|
2326 | 45f62156 | Bernardo Dal Seno | # Serialization doesn't guarantee order in dictionaries
|
2327 | 45f62156 | Bernardo Dal Seno | oldconf = copy.deepcopy(self._config_data.ToDict())
|
2328 | 45f62156 | Bernardo Dal Seno | |
2329 | 45f62156 | Bernardo Dal Seno | # In-object upgrades
|
2330 | 45f62156 | Bernardo Dal Seno | self._config_data.UpgradeConfig()
|
2331 | 45f62156 | Bernardo Dal Seno | |
2332 | 76d5d3a3 | Iustin Pop | for item in self._AllUUIDObjects(): |
2333 | 76d5d3a3 | Iustin Pop | if item.uuid is None: |
2334 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(_UPGRADE_CONFIG_JID)
|
2335 | f9e81396 | Guido Trotter | if not self._config_data.nodegroups: |
2336 | 75cf411a | Adeodato Simo | default_nodegroup_name = constants.INITIAL_NODE_GROUP_NAME |
2337 | 75cf411a | Adeodato Simo | default_nodegroup = objects.NodeGroup(name=default_nodegroup_name, |
2338 | 75cf411a | Adeodato Simo | members=[]) |
2339 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(default_nodegroup, _UPGRADE_CONFIG_JID, True) |
2340 | 190e3cb6 | Guido Trotter | for node in self._config_data.nodes.values(): |
2341 | f936c153 | Iustin Pop | if not node.group: |
2342 | f936c153 | Iustin Pop | node.group = self.LookupNodeGroup(None) |
2343 | 190e3cb6 | Guido Trotter | # This is technically *not* an upgrade, but needs to be done both when
|
2344 | 190e3cb6 | Guido Trotter | # nodegroups are being added, and upon normally loading the config,
|
2345 | 190e3cb6 | Guido Trotter | # because the members list of a node group is discarded upon
|
2346 | 190e3cb6 | Guido Trotter | # serializing/deserializing the object.
|
2347 | 1c3231aa | Thomas Thrainer | self._UnlockedAddNodeToGroup(node.uuid, node.group)
|
2348 | 45f62156 | Bernardo Dal Seno | |
2349 | 45f62156 | Bernardo Dal Seno | modified = (oldconf != self._config_data.ToDict())
|
2350 | 76d5d3a3 | Iustin Pop | if modified:
|
2351 | 76d5d3a3 | Iustin Pop | self._WriteConfig()
|
2352 | 4fae38c5 | Guido Trotter | # This is ok even if it acquires the internal lock, as _UpgradeConfig is
|
2353 | 4fae38c5 | Guido Trotter | # only called at config init time, without the lock held
|
2354 | 4fae38c5 | Guido Trotter | self.DropECReservations(_UPGRADE_CONFIG_JID)
|
2355 | 04db1880 | Bernardo Dal Seno | else:
|
2356 | 04db1880 | Bernardo Dal Seno | config_errors = self._UnlockedVerifyConfig()
|
2357 | 04db1880 | Bernardo Dal Seno | if config_errors:
|
2358 | 04db1880 | Bernardo Dal Seno | errmsg = ("Loaded configuration data is not consistent: %s" %
|
2359 | 04db1880 | Bernardo Dal Seno | (utils.CommaJoin(config_errors))) |
2360 | 04db1880 | Bernardo Dal Seno | logging.critical(errmsg) |
2361 | 4fae38c5 | Guido Trotter | |
2362 | a4eae71f | Michael Hanselmann | def _DistributeConfig(self, feedback_fn): |
2363 | a8083063 | Iustin Pop | """Distribute the configuration to the other nodes.
|
2364 | a8083063 | Iustin Pop |
|
2365 | a8083063 | Iustin Pop | Currently, this only copies the configuration file. In the future,
|
2366 | a8083063 | Iustin Pop | it could be used to encapsulate the 2/3-phase update mechanism.
|
2367 | a8083063 | Iustin Pop |
|
2368 | a8083063 | Iustin Pop | """
|
2369 | a8083063 | Iustin Pop | if self._offline: |
2370 | a8083063 | Iustin Pop | return True |
2371 | a4eae71f | Michael Hanselmann | |
2372 | a8083063 | Iustin Pop | bad = False
|
2373 | a8083063 | Iustin Pop | |
2374 | 6a5b8b4b | Iustin Pop | node_list = [] |
2375 | 6a5b8b4b | Iustin Pop | addr_list = [] |
2376 | 6a5b8b4b | Iustin Pop | myhostname = self._my_hostname
|
2377 | 6b294c53 | Iustin Pop | # we can skip checking whether _UnlockedGetNodeInfo returns None
|
2378 | 6b294c53 | Iustin Pop | # since the node list comes from _UnlocketGetNodeList, and we are
|
2379 | 6b294c53 | Iustin Pop | # called with the lock held, so no modifications should take place
|
2380 | 6b294c53 | Iustin Pop | # in between
|
2381 | 1c3231aa | Thomas Thrainer | for node_uuid in self._UnlockedGetNodeList(): |
2382 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_uuid)
|
2383 | 1c3231aa | Thomas Thrainer | if node_info.name == myhostname or not node_info.master_candidate: |
2384 | 6a5b8b4b | Iustin Pop | continue
|
2385 | 6a5b8b4b | Iustin Pop | node_list.append(node_info.name) |
2386 | 6a5b8b4b | Iustin Pop | addr_list.append(node_info.primary_ip) |
2387 | 6b294c53 | Iustin Pop | |
2388 | 415a7304 | Michael Hanselmann | # TODO: Use dedicated resolver talking to config writer for name resolution
|
2389 | 415a7304 | Michael Hanselmann | result = \ |
2390 | b2acdbdc | Michael Hanselmann | self._GetRpc(addr_list).call_upload_file(node_list, self._cfg_file) |
2391 | 1b54fc6c | Guido Trotter | for to_node, to_result in result.items(): |
2392 | 3cebe102 | Michael Hanselmann | msg = to_result.fail_msg |
2393 | 1b54fc6c | Guido Trotter | if msg:
|
2394 | 1b54fc6c | Guido Trotter | msg = ("Copy of file %s to node %s failed: %s" %
|
2395 | dd7db360 | Iustin Pop | (self._cfg_file, to_node, msg))
|
2396 | 1b54fc6c | Guido Trotter | logging.error(msg) |
2397 | a4eae71f | Michael Hanselmann | |
2398 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
2399 | a4eae71f | Michael Hanselmann | feedback_fn(msg) |
2400 | a4eae71f | Michael Hanselmann | |
2401 | a8083063 | Iustin Pop | bad = True
|
2402 | a4eae71f | Michael Hanselmann | |
2403 | a8083063 | Iustin Pop | return not bad |
2404 | a8083063 | Iustin Pop | |
2405 | a4eae71f | Michael Hanselmann | def _WriteConfig(self, destination=None, feedback_fn=None): |
2406 | a8083063 | Iustin Pop | """Write the configuration data to persistent storage.
|
2407 | a8083063 | Iustin Pop |
|
2408 | a8083063 | Iustin Pop | """
|
2409 | a4eae71f | Michael Hanselmann | assert feedback_fn is None or callable(feedback_fn) |
2410 | a4eae71f | Michael Hanselmann | |
2411 | d2231b8c | Iustin Pop | # Warn on config errors, but don't abort the save - the
|
2412 | d2231b8c | Iustin Pop | # configuration has already been modified, and we can't revert;
|
2413 | d2231b8c | Iustin Pop | # the best we can do is to warn the user and save as is, leaving
|
2414 | d2231b8c | Iustin Pop | # recovery to the user
|
2415 | 4a89c54a | Iustin Pop | config_errors = self._UnlockedVerifyConfig()
|
2416 | 4a89c54a | Iustin Pop | if config_errors:
|
2417 | d2231b8c | Iustin Pop | errmsg = ("Configuration data is not consistent: %s" %
|
2418 | 1f864b60 | Iustin Pop | (utils.CommaJoin(config_errors))) |
2419 | d2231b8c | Iustin Pop | logging.critical(errmsg) |
2420 | d2231b8c | Iustin Pop | if feedback_fn:
|
2421 | d2231b8c | Iustin Pop | feedback_fn(errmsg) |
2422 | d2231b8c | Iustin Pop | |
2423 | a8083063 | Iustin Pop | if destination is None: |
2424 | a8083063 | Iustin Pop | destination = self._cfg_file
|
2425 | a8083063 | Iustin Pop | self._BumpSerialNo()
|
2426 | 8d14b30d | Iustin Pop | txt = serializer.Dump(self._config_data.ToDict())
|
2427 | 13998ef2 | Michael Hanselmann | |
2428 | e60c73a1 | René Nussbaumer | getents = self._getents()
|
2429 | bd407597 | Iustin Pop | try:
|
2430 | bd407597 | Iustin Pop | fd = utils.SafeWriteFile(destination, self._cfg_id, data=txt,
|
2431 | bd407597 | Iustin Pop | close=False, gid=getents.confd_gid, mode=0640) |
2432 | bd407597 | Iustin Pop | except errors.LockError:
|
2433 | bd407597 | Iustin Pop | raise errors.ConfigurationError("The configuration file has been" |
2434 | bd407597 | Iustin Pop | " modified since the last write, cannot"
|
2435 | bd407597 | Iustin Pop | " update")
|
2436 | bd407597 | Iustin Pop | try:
|
2437 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(fd=fd)
|
2438 | bd407597 | Iustin Pop | finally:
|
2439 | bd407597 | Iustin Pop | os.close(fd) |
2440 | 13998ef2 | Michael Hanselmann | |
2441 | 14e15659 | Iustin Pop | self.write_count += 1 |
2442 | 3d3a04bc | Iustin Pop | |
2443 | f56618e0 | Iustin Pop | # and redistribute the config file to master candidates
|
2444 | a4eae71f | Michael Hanselmann | self._DistributeConfig(feedback_fn)
|
2445 | a8083063 | Iustin Pop | |
2446 | 54d1a06e | Michael Hanselmann | # Write ssconf files on all nodes (including locally)
|
2447 | 0779e3aa | Iustin Pop | if self._last_cluster_serial < self._config_data.cluster.serial_no: |
2448 | d9a855f1 | Michael Hanselmann | if not self._offline: |
2449 | b2acdbdc | Michael Hanselmann | result = self._GetRpc(None).call_write_ssconf_files( |
2450 | 1c3231aa | Thomas Thrainer | self._UnlockedGetNodeNames(self._UnlockedGetOnlineNodeList()), |
2451 | e1e75d00 | Iustin Pop | self._UnlockedGetSsconfValues())
|
2452 | a4eae71f | Michael Hanselmann | |
2453 | e1e75d00 | Iustin Pop | for nname, nresu in result.items(): |
2454 | 3cebe102 | Michael Hanselmann | msg = nresu.fail_msg |
2455 | e1e75d00 | Iustin Pop | if msg:
|
2456 | a4eae71f | Michael Hanselmann | errmsg = ("Error while uploading ssconf files to"
|
2457 | a4eae71f | Michael Hanselmann | " node %s: %s" % (nname, msg))
|
2458 | a4eae71f | Michael Hanselmann | logging.warning(errmsg) |
2459 | a4eae71f | Michael Hanselmann | |
2460 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
2461 | a4eae71f | Michael Hanselmann | feedback_fn(errmsg) |
2462 | a4eae71f | Michael Hanselmann | |
2463 | 0779e3aa | Iustin Pop | self._last_cluster_serial = self._config_data.cluster.serial_no |
2464 | 54d1a06e | Michael Hanselmann | |
2465 | def6577f | Helga Velroyen | def _GetAllHvparamsStrings(self, hypervisors): |
2466 | def6577f | Helga Velroyen | """Get the hvparams of all given hypervisors from the config.
|
2467 | def6577f | Helga Velroyen |
|
2468 | def6577f | Helga Velroyen | @type hypervisors: list of string
|
2469 | def6577f | Helga Velroyen | @param hypervisors: list of hypervisor names
|
2470 | def6577f | Helga Velroyen | @rtype: dict of strings
|
2471 | def6577f | Helga Velroyen | @returns: dictionary mapping the hypervisor name to a string representation
|
2472 | def6577f | Helga Velroyen | of the hypervisor's hvparams
|
2473 | def6577f | Helga Velroyen |
|
2474 | def6577f | Helga Velroyen | """
|
2475 | def6577f | Helga Velroyen | hvparams = {} |
2476 | def6577f | Helga Velroyen | for hv in hypervisors: |
2477 | def6577f | Helga Velroyen | hvparams[hv] = self._UnlockedGetHvparamsString(hv)
|
2478 | def6577f | Helga Velroyen | return hvparams
|
2479 | def6577f | Helga Velroyen | |
2480 | def6577f | Helga Velroyen | @staticmethod
|
2481 | def6577f | Helga Velroyen | def _ExtendByAllHvparamsStrings(ssconf_values, all_hvparams): |
2482 | def6577f | Helga Velroyen | """Extends the ssconf_values dictionary by hvparams.
|
2483 | def6577f | Helga Velroyen |
|
2484 | def6577f | Helga Velroyen | @type ssconf_values: dict of strings
|
2485 | def6577f | Helga Velroyen | @param ssconf_values: dictionary mapping ssconf_keys to strings
|
2486 | def6577f | Helga Velroyen | representing the content of ssconf files
|
2487 | def6577f | Helga Velroyen | @type all_hvparams: dict of strings
|
2488 | def6577f | Helga Velroyen | @param all_hvparams: dictionary mapping hypervisor names to a string
|
2489 | def6577f | Helga Velroyen | representation of their hvparams
|
2490 | def6577f | Helga Velroyen | @rtype: same as ssconf_values
|
2491 | def6577f | Helga Velroyen | @returns: the ssconf_values dictionary extended by hvparams
|
2492 | def6577f | Helga Velroyen |
|
2493 | def6577f | Helga Velroyen | """
|
2494 | def6577f | Helga Velroyen | for hv in all_hvparams: |
2495 | def6577f | Helga Velroyen | ssconf_key = constants.SS_HVPARAMS_PREF + hv |
2496 | def6577f | Helga Velroyen | ssconf_values[ssconf_key] = all_hvparams[hv] |
2497 | def6577f | Helga Velroyen | return ssconf_values
|
2498 | def6577f | Helga Velroyen | |
2499 | 03d1dba2 | Michael Hanselmann | def _UnlockedGetSsconfValues(self): |
2500 | 054596f0 | Iustin Pop | """Return the values needed by ssconf.
|
2501 | 054596f0 | Iustin Pop |
|
2502 | 054596f0 | Iustin Pop | @rtype: dict
|
2503 | 054596f0 | Iustin Pop | @return: a dictionary with keys the ssconf names and values their
|
2504 | 054596f0 | Iustin Pop | associated value
|
2505 | 054596f0 | Iustin Pop |
|
2506 | 054596f0 | Iustin Pop | """
|
2507 | a3316e4a | Iustin Pop | fn = "\n".join
|
2508 | da4a52a3 | Thomas Thrainer | instance_names = utils.NiceSort( |
2509 | da4a52a3 | Thomas Thrainer | [inst.name for inst in |
2510 | da4a52a3 | Thomas Thrainer | self._UnlockedGetAllInstancesInfo().values()])
|
2511 | 1c3231aa | Thomas Thrainer | node_infos = self._UnlockedGetAllNodesInfo().values()
|
2512 | 1c3231aa | Thomas Thrainer | node_names = [node.name for node in node_infos] |
2513 | c3029d0a | Luca Bigliardi | node_pri_ips = ["%s %s" % (ninfo.name, ninfo.primary_ip)
|
2514 | 1c3231aa | Thomas Thrainer | for ninfo in node_infos] |
2515 | c3029d0a | Luca Bigliardi | node_snd_ips = ["%s %s" % (ninfo.name, ninfo.secondary_ip)
|
2516 | 1c3231aa | Thomas Thrainer | for ninfo in node_infos] |
2517 | a3316e4a | Iustin Pop | |
2518 | 81a49123 | Iustin Pop | instance_data = fn(instance_names) |
2519 | 1c3231aa | Thomas Thrainer | off_data = fn(node.name for node in node_infos if node.offline) |
2520 | 1c3231aa | Thomas Thrainer | on_data = fn(node.name for node in node_infos if not node.offline) |
2521 | 1c3231aa | Thomas Thrainer | mc_data = fn(node.name for node in node_infos if node.master_candidate) |
2522 | 1c3231aa | Thomas Thrainer | mc_ips_data = fn(node.primary_ip for node in node_infos |
2523 | 8113a52e | Luca Bigliardi | if node.master_candidate)
|
2524 | a3316e4a | Iustin Pop | node_data = fn(node_names) |
2525 | f9780ccd | Luca Bigliardi | node_pri_ips_data = fn(node_pri_ips) |
2526 | f9780ccd | Luca Bigliardi | node_snd_ips_data = fn(node_snd_ips) |
2527 | f56618e0 | Iustin Pop | |
2528 | 054596f0 | Iustin Pop | cluster = self._config_data.cluster
|
2529 | 5d60b3bd | Iustin Pop | cluster_tags = fn(cluster.GetTags()) |
2530 | 4f7a6a10 | Iustin Pop | |
2531 | 4f7a6a10 | Iustin Pop | hypervisor_list = fn(cluster.enabled_hypervisors) |
2532 | def6577f | Helga Velroyen | all_hvparams = self._GetAllHvparamsStrings(constants.HYPER_TYPES)
|
2533 | 4f7a6a10 | Iustin Pop | |
2534 | 0fbae49a | Balazs Lecz | uid_pool = uidpool.FormatUidPool(cluster.uid_pool, separator="\n")
|
2535 | 0fbae49a | Balazs Lecz | |
2536 | 6f076453 | Guido Trotter | nodegroups = ["%s %s" % (nodegroup.uuid, nodegroup.name) for nodegroup in |
2537 | 6f076453 | Guido Trotter | self._config_data.nodegroups.values()]
|
2538 | 6f076453 | Guido Trotter | nodegroups_data = fn(utils.NiceSort(nodegroups)) |
2539 | 6c0a75db | Dimitris Aragiorgis | networks = ["%s %s" % (net.uuid, net.name) for net in |
2540 | 6c0a75db | Dimitris Aragiorgis | self._config_data.networks.values()]
|
2541 | 6c0a75db | Dimitris Aragiorgis | networks_data = fn(utils.NiceSort(networks)) |
2542 | 6f076453 | Guido Trotter | |
2543 | 2afc9238 | Iustin Pop | ssconf_values = { |
2544 | 054596f0 | Iustin Pop | constants.SS_CLUSTER_NAME: cluster.cluster_name, |
2545 | 5d60b3bd | Iustin Pop | constants.SS_CLUSTER_TAGS: cluster_tags, |
2546 | 054596f0 | Iustin Pop | constants.SS_FILE_STORAGE_DIR: cluster.file_storage_dir, |
2547 | 4b97f902 | Apollon Oikonomopoulos | constants.SS_SHARED_FILE_STORAGE_DIR: cluster.shared_file_storage_dir, |
2548 | a3316e4a | Iustin Pop | constants.SS_MASTER_CANDIDATES: mc_data, |
2549 | 8113a52e | Luca Bigliardi | constants.SS_MASTER_CANDIDATES_IPS: mc_ips_data, |
2550 | 054596f0 | Iustin Pop | constants.SS_MASTER_IP: cluster.master_ip, |
2551 | 054596f0 | Iustin Pop | constants.SS_MASTER_NETDEV: cluster.master_netdev, |
2552 | 5a8648eb | Andrea Spadaccini | constants.SS_MASTER_NETMASK: str(cluster.master_netmask),
|
2553 | 1c3231aa | Thomas Thrainer | constants.SS_MASTER_NODE: self._UnlockedGetNodeName(cluster.master_node),
|
2554 | a3316e4a | Iustin Pop | constants.SS_NODE_LIST: node_data, |
2555 | f9780ccd | Luca Bigliardi | constants.SS_NODE_PRIMARY_IPS: node_pri_ips_data, |
2556 | f9780ccd | Luca Bigliardi | constants.SS_NODE_SECONDARY_IPS: node_snd_ips_data, |
2557 | a3316e4a | Iustin Pop | constants.SS_OFFLINE_NODES: off_data, |
2558 | 81a49123 | Iustin Pop | constants.SS_ONLINE_NODES: on_data, |
2559 | 868a98ca | Manuel Franceschini | constants.SS_PRIMARY_IP_FAMILY: str(cluster.primary_ip_family),
|
2560 | 81a49123 | Iustin Pop | constants.SS_INSTANCE_LIST: instance_data, |
2561 | 8a113c7a | Iustin Pop | constants.SS_RELEASE_VERSION: constants.RELEASE_VERSION, |
2562 | 4f7a6a10 | Iustin Pop | constants.SS_HYPERVISOR_LIST: hypervisor_list, |
2563 | 5c465a95 | Iustin Pop | constants.SS_MAINTAIN_NODE_HEALTH: str(cluster.maintain_node_health),
|
2564 | 0fbae49a | Balazs Lecz | constants.SS_UID_POOL: uid_pool, |
2565 | 6f076453 | Guido Trotter | constants.SS_NODEGROUPS: nodegroups_data, |
2566 | 6c0a75db | Dimitris Aragiorgis | constants.SS_NETWORKS: networks_data, |
2567 | 03d1dba2 | Michael Hanselmann | } |
2568 | def6577f | Helga Velroyen | ssconf_values = self._ExtendByAllHvparamsStrings(ssconf_values,
|
2569 | def6577f | Helga Velroyen | all_hvparams) |
2570 | 2afc9238 | Iustin Pop | bad_values = [(k, v) for k, v in ssconf_values.items() |
2571 | 2afc9238 | Iustin Pop | if not isinstance(v, (str, basestring))] |
2572 | 2afc9238 | Iustin Pop | if bad_values:
|
2573 | 2afc9238 | Iustin Pop | err = utils.CommaJoin("%s=%s" % (k, v) for k, v in bad_values) |
2574 | 2afc9238 | Iustin Pop | raise errors.ConfigurationError("Some ssconf key(s) have non-string" |
2575 | 2afc9238 | Iustin Pop | " values: %s" % err)
|
2576 | 2afc9238 | Iustin Pop | return ssconf_values
|
2577 | 03d1dba2 | Michael Hanselmann | |
2578 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2579 | d367b66c | Manuel Franceschini | def GetSsconfValues(self): |
2580 | d367b66c | Manuel Franceschini | """Wrapper using lock around _UnlockedGetSsconf().
|
2581 | d367b66c | Manuel Franceschini |
|
2582 | d367b66c | Manuel Franceschini | """
|
2583 | d367b66c | Manuel Franceschini | return self._UnlockedGetSsconfValues() |
2584 | d367b66c | Manuel Franceschini | |
2585 | d367b66c | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
2586 | a8083063 | Iustin Pop | def GetVGName(self): |
2587 | a8083063 | Iustin Pop | """Return the volume group name.
|
2588 | a8083063 | Iustin Pop |
|
2589 | a8083063 | Iustin Pop | """
|
2590 | a8083063 | Iustin Pop | return self._config_data.cluster.volume_group_name |
2591 | a8083063 | Iustin Pop | |
2592 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2593 | 89ff8e15 | Manuel Franceschini | def SetVGName(self, vg_name): |
2594 | 89ff8e15 | Manuel Franceschini | """Set the volume group name.
|
2595 | 89ff8e15 | Manuel Franceschini |
|
2596 | 89ff8e15 | Manuel Franceschini | """
|
2597 | 2d4011cd | Manuel Franceschini | self._config_data.cluster.volume_group_name = vg_name
|
2598 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2599 | 89ff8e15 | Manuel Franceschini | self._WriteConfig()
|
2600 | 89ff8e15 | Manuel Franceschini | |
2601 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2602 | 9e33896b | Luca Bigliardi | def GetDRBDHelper(self): |
2603 | 9e33896b | Luca Bigliardi | """Return DRBD usermode helper.
|
2604 | 9e33896b | Luca Bigliardi |
|
2605 | 9e33896b | Luca Bigliardi | """
|
2606 | 9e33896b | Luca Bigliardi | return self._config_data.cluster.drbd_usermode_helper |
2607 | 9e33896b | Luca Bigliardi | |
2608 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock)
|
2609 | 9e33896b | Luca Bigliardi | def SetDRBDHelper(self, drbd_helper): |
2610 | 9e33896b | Luca Bigliardi | """Set DRBD usermode helper.
|
2611 | 9e33896b | Luca Bigliardi |
|
2612 | 9e33896b | Luca Bigliardi | """
|
2613 | 9e33896b | Luca Bigliardi | self._config_data.cluster.drbd_usermode_helper = drbd_helper
|
2614 | 9e33896b | Luca Bigliardi | self._config_data.cluster.serial_no += 1 |
2615 | 9e33896b | Luca Bigliardi | self._WriteConfig()
|
2616 | 9e33896b | Luca Bigliardi | |
2617 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2618 | a8083063 | Iustin Pop | def GetMACPrefix(self): |
2619 | a8083063 | Iustin Pop | """Return the mac prefix.
|
2620 | a8083063 | Iustin Pop |
|
2621 | a8083063 | Iustin Pop | """
|
2622 | a8083063 | Iustin Pop | return self._config_data.cluster.mac_prefix |
2623 | 62779dd0 | Iustin Pop | |
2624 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
2625 | 62779dd0 | Iustin Pop | def GetClusterInfo(self): |
2626 | 5bbd3f7f | Michael Hanselmann | """Returns information about the cluster
|
2627 | 62779dd0 | Iustin Pop |
|
2628 | c41eea6e | Iustin Pop | @rtype: L{objects.Cluster}
|
2629 | c41eea6e | Iustin Pop | @return: the cluster object
|
2630 | 62779dd0 | Iustin Pop |
|
2631 | 62779dd0 | Iustin Pop | """
|
2632 | 62779dd0 | Iustin Pop | return self._config_data.cluster |
2633 | e00fb268 | Iustin Pop | |
2634 | 51cb1581 | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
2635 | 51cb1581 | Luca Bigliardi | def HasAnyDiskOfType(self, dev_type): |
2636 | 51cb1581 | Luca Bigliardi | """Check if in there is at disk of the given type in the configuration.
|
2637 | 51cb1581 | Luca Bigliardi |
|
2638 | 51cb1581 | Luca Bigliardi | """
|
2639 | 51cb1581 | Luca Bigliardi | return self._config_data.HasAnyDiskOfType(dev_type) |
2640 | 51cb1581 | Luca Bigliardi | |
2641 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2642 | d1547283 | Dimitris Aragiorgis | def Update(self, target, feedback_fn, ec_id=None): |
2643 | e00fb268 | Iustin Pop | """Notify function to be called after updates.
|
2644 | e00fb268 | Iustin Pop |
|
2645 | e00fb268 | Iustin Pop | This function must be called when an object (as returned by
|
2646 | e00fb268 | Iustin Pop | GetInstanceInfo, GetNodeInfo, GetCluster) has been updated and the
|
2647 | e00fb268 | Iustin Pop | caller wants the modifications saved to the backing store. Note
|
2648 | e00fb268 | Iustin Pop | that all modified objects will be saved, but the target argument
|
2649 | e00fb268 | Iustin Pop | is the one the caller wants to ensure that it's saved.
|
2650 | e00fb268 | Iustin Pop |
|
2651 | c41eea6e | Iustin Pop | @param target: an instance of either L{objects.Cluster},
|
2652 | c41eea6e | Iustin Pop | L{objects.Node} or L{objects.Instance} which is existing in
|
2653 | c41eea6e | Iustin Pop | the cluster
|
2654 | a4eae71f | Michael Hanselmann | @param feedback_fn: Callable feedback function
|
2655 | c41eea6e | Iustin Pop |
|
2656 | e00fb268 | Iustin Pop | """
|
2657 | e00fb268 | Iustin Pop | if self._config_data is None: |
2658 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Configuration file not read," |
2659 | 3ecf6786 | Iustin Pop | " cannot save.")
|
2660 | f34901f8 | Iustin Pop | update_serial = False
|
2661 | e00fb268 | Iustin Pop | if isinstance(target, objects.Cluster): |
2662 | e00fb268 | Iustin Pop | test = target == self._config_data.cluster
|
2663 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Node): |
2664 | e00fb268 | Iustin Pop | test = target in self._config_data.nodes.values() |
2665 | f34901f8 | Iustin Pop | update_serial = True
|
2666 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Instance): |
2667 | e00fb268 | Iustin Pop | test = target in self._config_data.instances.values() |
2668 | e11a1b77 | Adeodato Simo | elif isinstance(target, objects.NodeGroup): |
2669 | e11a1b77 | Adeodato Simo | test = target in self._config_data.nodegroups.values() |
2670 | 1e0d3321 | Dimitris Aragiorgis | elif isinstance(target, objects.Network): |
2671 | 1e0d3321 | Dimitris Aragiorgis | test = target in self._config_data.networks.values() |
2672 | e00fb268 | Iustin Pop | else:
|
2673 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid object type (%s) passed to" |
2674 | 3ecf6786 | Iustin Pop | " ConfigWriter.Update" % type(target)) |
2675 | e00fb268 | Iustin Pop | if not test: |
2676 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Configuration updated since object" |
2677 | 3ecf6786 | Iustin Pop | " has been read or unknown object")
|
2678 | f34901f8 | Iustin Pop | target.serial_no += 1
|
2679 | d693c864 | Iustin Pop | target.mtime = now = time.time() |
2680 | f34901f8 | Iustin Pop | |
2681 | cff4c037 | Iustin Pop | if update_serial:
|
2682 | f34901f8 | Iustin Pop | # for node updates, we need to increase the cluster serial too
|
2683 | f34901f8 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2684 | d693c864 | Iustin Pop | self._config_data.cluster.mtime = now
|
2685 | b989e85d | Iustin Pop | |
2686 | 61cf6b5e | Iustin Pop | if isinstance(target, objects.Instance): |
2687 | da4a52a3 | Thomas Thrainer | self._UnlockedReleaseDRBDMinors(target.uuid)
|
2688 | 61cf6b5e | Iustin Pop | |
2689 | d1547283 | Dimitris Aragiorgis | if ec_id is not None: |
2690 | d1547283 | Dimitris Aragiorgis | # Commit all ips reserved by OpInstanceSetParams and OpGroupSetParams
|
2691 | d1547283 | Dimitris Aragiorgis | self._UnlockedCommitTemporaryIps(ec_id)
|
2692 | d1547283 | Dimitris Aragiorgis | |
2693 | a4eae71f | Michael Hanselmann | self._WriteConfig(feedback_fn=feedback_fn)
|
2694 | 73064714 | Guido Trotter | |
2695 | 73064714 | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2696 | 73064714 | Guido Trotter | def DropECReservations(self, ec_id): |
2697 | 73064714 | Guido Trotter | """Drop per-execution-context reservations
|
2698 | 73064714 | Guido Trotter |
|
2699 | 73064714 | Guido Trotter | """
|
2700 | d8aee57e | Iustin Pop | for rm in self._all_rms: |
2701 | d8aee57e | Iustin Pop | rm.DropECReservations(ec_id) |
2702 | 6c0a75db | Dimitris Aragiorgis | |
2703 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2704 | 6c0a75db | Dimitris Aragiorgis | def GetAllNetworksInfo(self): |
2705 | 6a94d553 | Dimitris Aragiorgis | """Get configuration info of all the networks.
|
2706 | 6c0a75db | Dimitris Aragiorgis |
|
2707 | 6c0a75db | Dimitris Aragiorgis | """
|
2708 | 6c0a75db | Dimitris Aragiorgis | return dict(self._config_data.networks) |
2709 | 6c0a75db | Dimitris Aragiorgis | |
2710 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedGetNetworkList(self): |
2711 | 6c0a75db | Dimitris Aragiorgis | """Get the list of networks.
|
2712 | 6c0a75db | Dimitris Aragiorgis |
|
2713 | 6c0a75db | Dimitris Aragiorgis | This function is for internal use, when the config lock is already held.
|
2714 | 6c0a75db | Dimitris Aragiorgis |
|
2715 | 6c0a75db | Dimitris Aragiorgis | """
|
2716 | 6c0a75db | Dimitris Aragiorgis | return self._config_data.networks.keys() |
2717 | 6c0a75db | Dimitris Aragiorgis | |
2718 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2719 | 6c0a75db | Dimitris Aragiorgis | def GetNetworkList(self): |
2720 | 6c0a75db | Dimitris Aragiorgis | """Get the list of networks.
|
2721 | 6c0a75db | Dimitris Aragiorgis |
|
2722 | 6c0a75db | Dimitris Aragiorgis | @return: array of networks, ex. ["main", "vlan100", "200]
|
2723 | 6c0a75db | Dimitris Aragiorgis |
|
2724 | 6c0a75db | Dimitris Aragiorgis | """
|
2725 | 6c0a75db | Dimitris Aragiorgis | return self._UnlockedGetNetworkList() |
2726 | 6c0a75db | Dimitris Aragiorgis | |
2727 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2728 | 6c0a75db | Dimitris Aragiorgis | def GetNetworkNames(self): |
2729 | 6c0a75db | Dimitris Aragiorgis | """Get a list of network names
|
2730 | 6c0a75db | Dimitris Aragiorgis |
|
2731 | 6c0a75db | Dimitris Aragiorgis | """
|
2732 | beb81ea5 | Dimitris Aragiorgis | names = [net.name |
2733 | beb81ea5 | Dimitris Aragiorgis | for net in self._config_data.networks.values()] |
2734 | 6c0a75db | Dimitris Aragiorgis | return names
|
2735 | 6c0a75db | Dimitris Aragiorgis | |
2736 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedGetNetwork(self, uuid): |
2737 | 6c0a75db | Dimitris Aragiorgis | """Returns information about a network.
|
2738 | 6c0a75db | Dimitris Aragiorgis |
|
2739 | 6c0a75db | Dimitris Aragiorgis | This function is for internal use, when the config lock is already held.
|
2740 | 6c0a75db | Dimitris Aragiorgis |
|
2741 | 6c0a75db | Dimitris Aragiorgis | """
|
2742 | 6c0a75db | Dimitris Aragiorgis | if uuid not in self._config_data.networks: |
2743 | 6c0a75db | Dimitris Aragiorgis | return None |
2744 | 6c0a75db | Dimitris Aragiorgis | |
2745 | 6c0a75db | Dimitris Aragiorgis | return self._config_data.networks[uuid] |
2746 | 6c0a75db | Dimitris Aragiorgis | |
2747 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2748 | 6c0a75db | Dimitris Aragiorgis | def GetNetwork(self, uuid): |
2749 | 6c0a75db | Dimitris Aragiorgis | """Returns information about a network.
|
2750 | 6c0a75db | Dimitris Aragiorgis |
|
2751 | 6c0a75db | Dimitris Aragiorgis | It takes the information from the configuration file.
|
2752 | 6c0a75db | Dimitris Aragiorgis |
|
2753 | 6c0a75db | Dimitris Aragiorgis | @param uuid: UUID of the network
|
2754 | 6c0a75db | Dimitris Aragiorgis |
|
2755 | 6c0a75db | Dimitris Aragiorgis | @rtype: L{objects.Network}
|
2756 | 6c0a75db | Dimitris Aragiorgis | @return: the network object
|
2757 | 6c0a75db | Dimitris Aragiorgis |
|
2758 | 6c0a75db | Dimitris Aragiorgis | """
|
2759 | 6c0a75db | Dimitris Aragiorgis | return self._UnlockedGetNetwork(uuid) |
2760 | 6c0a75db | Dimitris Aragiorgis | |
2761 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock)
|
2762 | 6c0a75db | Dimitris Aragiorgis | def AddNetwork(self, net, ec_id, check_uuid=True): |
2763 | 6c0a75db | Dimitris Aragiorgis | """Add a network to the configuration.
|
2764 | 6c0a75db | Dimitris Aragiorgis |
|
2765 | 6c0a75db | Dimitris Aragiorgis | @type net: L{objects.Network}
|
2766 | 6c0a75db | Dimitris Aragiorgis | @param net: the Network object to add
|
2767 | 6c0a75db | Dimitris Aragiorgis | @type ec_id: string
|
2768 | 6c0a75db | Dimitris Aragiorgis | @param ec_id: unique id for the job to use when creating a missing UUID
|
2769 | 6c0a75db | Dimitris Aragiorgis |
|
2770 | 6c0a75db | Dimitris Aragiorgis | """
|
2771 | 6c0a75db | Dimitris Aragiorgis | self._UnlockedAddNetwork(net, ec_id, check_uuid)
|
2772 | 6c0a75db | Dimitris Aragiorgis | self._WriteConfig()
|
2773 | 6c0a75db | Dimitris Aragiorgis | |
2774 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedAddNetwork(self, net, ec_id, check_uuid): |
2775 | 6c0a75db | Dimitris Aragiorgis | """Add a network to the configuration.
|
2776 | 6c0a75db | Dimitris Aragiorgis |
|
2777 | 6c0a75db | Dimitris Aragiorgis | """
|
2778 | 6c0a75db | Dimitris Aragiorgis | logging.info("Adding network %s to configuration", net.name)
|
2779 | 6c0a75db | Dimitris Aragiorgis | |
2780 | 6c0a75db | Dimitris Aragiorgis | if check_uuid:
|
2781 | 6c0a75db | Dimitris Aragiorgis | self._EnsureUUID(net, ec_id)
|
2782 | 6c0a75db | Dimitris Aragiorgis | |
2783 | 6c0a75db | Dimitris Aragiorgis | net.serial_no = 1
|
2784 | 22ff02a7 | Christos Stavrakakis | net.ctime = net.mtime = time.time() |
2785 | 6c0a75db | Dimitris Aragiorgis | self._config_data.networks[net.uuid] = net
|
2786 | 6c0a75db | Dimitris Aragiorgis | self._config_data.cluster.serial_no += 1 |
2787 | 6c0a75db | Dimitris Aragiorgis | |
2788 | 6c0a75db | Dimitris Aragiorgis | def _UnlockedLookupNetwork(self, target): |
2789 | 6c0a75db | Dimitris Aragiorgis | """Lookup a network's UUID.
|
2790 | 6c0a75db | Dimitris Aragiorgis |
|
2791 | 6c0a75db | Dimitris Aragiorgis | @type target: string
|
2792 | 6c0a75db | Dimitris Aragiorgis | @param target: network name or UUID
|
2793 | 6c0a75db | Dimitris Aragiorgis | @rtype: string
|
2794 | 6c0a75db | Dimitris Aragiorgis | @return: network UUID
|
2795 | 6c0a75db | Dimitris Aragiorgis | @raises errors.OpPrereqError: when the target network cannot be found
|
2796 | 6c0a75db | Dimitris Aragiorgis |
|
2797 | 6c0a75db | Dimitris Aragiorgis | """
|
2798 | 9394f4d1 | Dimitris Aragiorgis | if target is None: |
2799 | 9394f4d1 | Dimitris Aragiorgis | return None |
2800 | 6c0a75db | Dimitris Aragiorgis | if target in self._config_data.networks: |
2801 | 6c0a75db | Dimitris Aragiorgis | return target
|
2802 | 6c0a75db | Dimitris Aragiorgis | for net in self._config_data.networks.values(): |
2803 | 6c0a75db | Dimitris Aragiorgis | if net.name == target:
|
2804 | 6c0a75db | Dimitris Aragiorgis | return net.uuid
|
2805 | 1b68f268 | Helga Velroyen | raise errors.OpPrereqError("Network '%s' not found" % target, |
2806 | 1b68f268 | Helga Velroyen | errors.ECODE_NOENT) |
2807 | 6c0a75db | Dimitris Aragiorgis | |
2808 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2809 | 6c0a75db | Dimitris Aragiorgis | def LookupNetwork(self, target): |
2810 | 6c0a75db | Dimitris Aragiorgis | """Lookup a network's UUID.
|
2811 | 6c0a75db | Dimitris Aragiorgis |
|
2812 | 6c0a75db | Dimitris Aragiorgis | This function is just a wrapper over L{_UnlockedLookupNetwork}.
|
2813 | 6c0a75db | Dimitris Aragiorgis |
|
2814 | 6c0a75db | Dimitris Aragiorgis | @type target: string
|
2815 | 6c0a75db | Dimitris Aragiorgis | @param target: network name or UUID
|
2816 | 6c0a75db | Dimitris Aragiorgis | @rtype: string
|
2817 | 6c0a75db | Dimitris Aragiorgis | @return: network UUID
|
2818 | 6c0a75db | Dimitris Aragiorgis |
|
2819 | 6c0a75db | Dimitris Aragiorgis | """
|
2820 | 6c0a75db | Dimitris Aragiorgis | return self._UnlockedLookupNetwork(target) |
2821 | 6c0a75db | Dimitris Aragiorgis | |
2822 | 6c0a75db | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock)
|
2823 | 6c0a75db | Dimitris Aragiorgis | def RemoveNetwork(self, network_uuid): |
2824 | 6c0a75db | Dimitris Aragiorgis | """Remove a network from the configuration.
|
2825 | 6c0a75db | Dimitris Aragiorgis |
|
2826 | 6c0a75db | Dimitris Aragiorgis | @type network_uuid: string
|
2827 | 6c0a75db | Dimitris Aragiorgis | @param network_uuid: the UUID of the network to remove
|
2828 | 6c0a75db | Dimitris Aragiorgis |
|
2829 | 6c0a75db | Dimitris Aragiorgis | """
|
2830 | 6c0a75db | Dimitris Aragiorgis | logging.info("Removing network %s from configuration", network_uuid)
|
2831 | 6c0a75db | Dimitris Aragiorgis | |
2832 | 6c0a75db | Dimitris Aragiorgis | if network_uuid not in self._config_data.networks: |
2833 | 6c0a75db | Dimitris Aragiorgis | raise errors.ConfigurationError("Unknown network '%s'" % network_uuid) |
2834 | 6c0a75db | Dimitris Aragiorgis | |
2835 | 6c0a75db | Dimitris Aragiorgis | del self._config_data.networks[network_uuid] |
2836 | 6c0a75db | Dimitris Aragiorgis | self._config_data.cluster.serial_no += 1 |
2837 | 6c0a75db | Dimitris Aragiorgis | self._WriteConfig()
|
2838 | ad4a9ae7 | Dimitris Aragiorgis | |
2839 | 1c3231aa | Thomas Thrainer | def _UnlockedGetGroupNetParams(self, net_uuid, node_uuid): |
2840 | ad4a9ae7 | Dimitris Aragiorgis | """Get the netparams (mode, link) of a network.
|
2841 | ad4a9ae7 | Dimitris Aragiorgis |
|
2842 | ad4a9ae7 | Dimitris Aragiorgis | Get a network's netparams for a given node.
|
2843 | ad4a9ae7 | Dimitris Aragiorgis |
|
2844 | 9ccacbc8 | Dimitris Aragiorgis | @type net_uuid: string
|
2845 | 9ccacbc8 | Dimitris Aragiorgis | @param net_uuid: network uuid
|
2846 | 1c3231aa | Thomas Thrainer | @type node_uuid: string
|
2847 | 1c3231aa | Thomas Thrainer | @param node_uuid: node UUID
|
2848 | ad4a9ae7 | Dimitris Aragiorgis | @rtype: dict or None
|
2849 | ad4a9ae7 | Dimitris Aragiorgis | @return: netparams
|
2850 | ad4a9ae7 | Dimitris Aragiorgis |
|
2851 | ad4a9ae7 | Dimitris Aragiorgis | """
|
2852 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_uuid)
|
2853 | ad4a9ae7 | Dimitris Aragiorgis | nodegroup_info = self._UnlockedGetNodeGroup(node_info.group)
|
2854 | ad4a9ae7 | Dimitris Aragiorgis | netparams = nodegroup_info.networks.get(net_uuid, None)
|
2855 | ad4a9ae7 | Dimitris Aragiorgis | |
2856 | ad4a9ae7 | Dimitris Aragiorgis | return netparams
|
2857 | ad4a9ae7 | Dimitris Aragiorgis | |
2858 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2859 | 1c3231aa | Thomas Thrainer | def GetGroupNetParams(self, net_uuid, node_uuid): |
2860 | ad4a9ae7 | Dimitris Aragiorgis | """Locking wrapper of _UnlockedGetGroupNetParams()
|
2861 | ad4a9ae7 | Dimitris Aragiorgis |
|
2862 | ad4a9ae7 | Dimitris Aragiorgis | """
|
2863 | 1c3231aa | Thomas Thrainer | return self._UnlockedGetGroupNetParams(net_uuid, node_uuid) |
2864 | ad4a9ae7 | Dimitris Aragiorgis | |
2865 | ad4a9ae7 | Dimitris Aragiorgis | @locking.ssynchronized(_config_lock, shared=1) |
2866 | 1c3231aa | Thomas Thrainer | def CheckIPInNodeGroup(self, ip, node_uuid): |
2867 | 6a94d553 | Dimitris Aragiorgis | """Check IP uniqueness in nodegroup.
|
2868 | 6a94d553 | Dimitris Aragiorgis |
|
2869 | 6a94d553 | Dimitris Aragiorgis | Check networks that are connected in the node's node group
|
2870 | 6a94d553 | Dimitris Aragiorgis | if ip is contained in any of them. Used when creating/adding
|
2871 | 6a94d553 | Dimitris Aragiorgis | a NIC to ensure uniqueness among nodegroups.
|
2872 | ad4a9ae7 | Dimitris Aragiorgis |
|
2873 | ad4a9ae7 | Dimitris Aragiorgis | @type ip: string
|
2874 | ad4a9ae7 | Dimitris Aragiorgis | @param ip: ip address
|
2875 | 1c3231aa | Thomas Thrainer | @type node_uuid: string
|
2876 | 1c3231aa | Thomas Thrainer | @param node_uuid: node UUID
|
2877 | ad4a9ae7 | Dimitris Aragiorgis | @rtype: (string, dict) or (None, None)
|
2878 | ad4a9ae7 | Dimitris Aragiorgis | @return: (network name, netparams)
|
2879 | ad4a9ae7 | Dimitris Aragiorgis |
|
2880 | ad4a9ae7 | Dimitris Aragiorgis | """
|
2881 | ad4a9ae7 | Dimitris Aragiorgis | if ip is None: |
2882 | ad4a9ae7 | Dimitris Aragiorgis | return (None, None) |
2883 | 1c3231aa | Thomas Thrainer | node_info = self._UnlockedGetNodeInfo(node_uuid)
|
2884 | ad4a9ae7 | Dimitris Aragiorgis | nodegroup_info = self._UnlockedGetNodeGroup(node_info.group)
|
2885 | ad4a9ae7 | Dimitris Aragiorgis | for net_uuid in nodegroup_info.networks.keys(): |
2886 | ad4a9ae7 | Dimitris Aragiorgis | net_info = self._UnlockedGetNetwork(net_uuid)
|
2887 | ad4a9ae7 | Dimitris Aragiorgis | pool = network.AddressPool(net_info) |
2888 | beb81ea5 | Dimitris Aragiorgis | if pool.Contains(ip):
|
2889 | ad4a9ae7 | Dimitris Aragiorgis | return (net_info.name, nodegroup_info.networks[net_uuid])
|
2890 | ad4a9ae7 | Dimitris Aragiorgis | |
2891 | ad4a9ae7 | Dimitris Aragiorgis | return (None, None) |