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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | 075b62ca | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | a8083063 | Iustin Pop | """Configuration management for Ganeti
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23 | a8083063 | Iustin Pop |
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24 | 319856a9 | Michael Hanselmann | This module provides the interface to the Ganeti cluster configuration.
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25 | a8083063 | Iustin Pop |
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26 | 319856a9 | Michael Hanselmann | The configuration data is stored on every node but is updated on the master
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27 | 319856a9 | Michael Hanselmann | only. After each update, the master distributes the data to the other nodes.
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28 | a8083063 | Iustin Pop |
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29 | 319856a9 | Michael Hanselmann | Currently, the data storage format is JSON. YAML was slow and consuming too
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30 | 319856a9 | Michael Hanselmann | much memory.
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31 | a8083063 | Iustin Pop |
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32 | a8083063 | Iustin Pop | """
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33 | a8083063 | Iustin Pop | |
34 | b459a848 | Andrea Spadaccini | # pylint: disable=R0904
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35 | d367b66c | Manuel Franceschini | # R0904: Too many public methods
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36 | d367b66c | Manuel Franceschini | |
37 | a8083063 | Iustin Pop | import os |
38 | a8083063 | Iustin Pop | import random |
39 | d8470559 | Michael Hanselmann | import logging |
40 | d693c864 | Iustin Pop | import time |
41 | a8083063 | Iustin Pop | |
42 | a8083063 | Iustin Pop | from ganeti import errors |
43 | f78ede4e | Guido Trotter | from ganeti import locking |
44 | a8083063 | Iustin Pop | from ganeti import utils |
45 | a8083063 | Iustin Pop | from ganeti import constants |
46 | a8083063 | Iustin Pop | from ganeti import rpc |
47 | a8083063 | Iustin Pop | from ganeti import objects |
48 | 8d14b30d | Iustin Pop | from ganeti import serializer |
49 | 0fbae49a | Balazs Lecz | from ganeti import uidpool |
50 | a744b676 | Manuel Franceschini | from ganeti import netutils |
51 | e60c73a1 | René Nussbaumer | from ganeti import runtime |
52 | 243cdbcc | Michael Hanselmann | |
53 | 243cdbcc | Michael Hanselmann | |
54 | 7f93570a | Iustin Pop | _config_lock = locking.SharedLock("ConfigWriter")
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55 | f78ede4e | Guido Trotter | |
56 | 4fae38c5 | Guido Trotter | # job id used for resource management at config upgrade time
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57 | 8d9c3bef | Michael Hanselmann | _UPGRADE_CONFIG_JID = "jid-cfg-upgrade"
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58 | 4fae38c5 | Guido Trotter | |
59 | f78ede4e | Guido Trotter | |
60 | 5b263ed7 | Michael Hanselmann | def _ValidateConfig(data): |
61 | c41eea6e | Iustin Pop | """Verifies that a configuration objects looks valid.
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62 | c41eea6e | Iustin Pop |
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63 | c41eea6e | Iustin Pop | This only verifies the version of the configuration.
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64 | c41eea6e | Iustin Pop |
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65 | c41eea6e | Iustin Pop | @raise errors.ConfigurationError: if the version differs from what
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66 | c41eea6e | Iustin Pop | we expect
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67 | c41eea6e | Iustin Pop |
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68 | c41eea6e | Iustin Pop | """
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69 | 5b263ed7 | Michael Hanselmann | if data.version != constants.CONFIG_VERSION:
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70 | 4b63dc7a | Iustin Pop | raise errors.ConfigVersionMismatch(constants.CONFIG_VERSION, data.version)
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71 | a8083063 | Iustin Pop | |
72 | 319856a9 | Michael Hanselmann | |
73 | 013da361 | Guido Trotter | class TemporaryReservationManager: |
74 | 013da361 | Guido Trotter | """A temporary resource reservation manager.
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75 | 013da361 | Guido Trotter |
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76 | 013da361 | Guido Trotter | This is used to reserve resources in a job, before using them, making sure
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77 | 013da361 | Guido Trotter | other jobs cannot get them in the meantime.
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78 | 013da361 | Guido Trotter |
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79 | 013da361 | Guido Trotter | """
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80 | 013da361 | Guido Trotter | def __init__(self): |
81 | 013da361 | Guido Trotter | self._ec_reserved = {}
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82 | 013da361 | Guido Trotter | |
83 | 013da361 | Guido Trotter | def Reserved(self, resource): |
84 | a7359d91 | David Knowles | for holder_reserved in self._ec_reserved.values(): |
85 | 013da361 | Guido Trotter | if resource in holder_reserved: |
86 | 013da361 | Guido Trotter | return True |
87 | 013da361 | Guido Trotter | return False |
88 | 013da361 | Guido Trotter | |
89 | 013da361 | Guido Trotter | def Reserve(self, ec_id, resource): |
90 | 013da361 | Guido Trotter | if self.Reserved(resource): |
91 | 28a7318f | Iustin Pop | raise errors.ReservationError("Duplicate reservation for resource '%s'" |
92 | 28a7318f | Iustin Pop | % str(resource))
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93 | 013da361 | Guido Trotter | if ec_id not in self._ec_reserved: |
94 | 013da361 | Guido Trotter | self._ec_reserved[ec_id] = set([resource]) |
95 | 013da361 | Guido Trotter | else:
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96 | 013da361 | Guido Trotter | self._ec_reserved[ec_id].add(resource)
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97 | 013da361 | Guido Trotter | |
98 | 013da361 | Guido Trotter | def DropECReservations(self, ec_id): |
99 | 013da361 | Guido Trotter | if ec_id in self._ec_reserved: |
100 | 013da361 | Guido Trotter | del self._ec_reserved[ec_id] |
101 | 013da361 | Guido Trotter | |
102 | 013da361 | Guido Trotter | def GetReserved(self): |
103 | 013da361 | Guido Trotter | all_reserved = set()
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104 | 013da361 | Guido Trotter | for holder_reserved in self._ec_reserved.values(): |
105 | 013da361 | Guido Trotter | all_reserved.update(holder_reserved) |
106 | 013da361 | Guido Trotter | return all_reserved
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107 | 013da361 | Guido Trotter | |
108 | 013da361 | Guido Trotter | def Generate(self, existing, generate_one_fn, ec_id): |
109 | 013da361 | Guido Trotter | """Generate a new resource of this type
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110 | 013da361 | Guido Trotter |
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111 | 013da361 | Guido Trotter | """
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112 | 013da361 | Guido Trotter | assert callable(generate_one_fn) |
113 | 013da361 | Guido Trotter | |
114 | 013da361 | Guido Trotter | all_elems = self.GetReserved()
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115 | 013da361 | Guido Trotter | all_elems.update(existing) |
116 | 013da361 | Guido Trotter | retries = 64
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117 | 013da361 | Guido Trotter | while retries > 0: |
118 | 013da361 | Guido Trotter | new_resource = generate_one_fn() |
119 | 013da361 | Guido Trotter | if new_resource is not None and new_resource not in all_elems: |
120 | 013da361 | Guido Trotter | break
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121 | 013da361 | Guido Trotter | else:
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122 | 013da361 | Guido Trotter | raise errors.ConfigurationError("Not able generate new resource" |
123 | 013da361 | Guido Trotter | " (last tried: %s)" % new_resource)
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124 | 013da361 | Guido Trotter | self.Reserve(ec_id, new_resource)
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125 | 013da361 | Guido Trotter | return new_resource
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126 | 013da361 | Guido Trotter | |
127 | 013da361 | Guido Trotter | |
128 | fe698b38 | Michael Hanselmann | def _MatchNameComponentIgnoreCase(short_name, names): |
129 | 3a93eebb | Michael Hanselmann | """Wrapper around L{utils.text.MatchNameComponent}.
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130 | fe698b38 | Michael Hanselmann |
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131 | fe698b38 | Michael Hanselmann | """
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132 | fe698b38 | Michael Hanselmann | return utils.MatchNameComponent(short_name, names, case_sensitive=False) |
133 | fe698b38 | Michael Hanselmann | |
134 | fe698b38 | Michael Hanselmann | |
135 | a8083063 | Iustin Pop | class ConfigWriter: |
136 | 098c0958 | Michael Hanselmann | """The interface to the cluster configuration.
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137 | a8083063 | Iustin Pop |
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138 | d8aee57e | Iustin Pop | @ivar _temporary_lvs: reservation manager for temporary LVs
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139 | d8aee57e | Iustin Pop | @ivar _all_rms: a list of all temporary reservation managers
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140 | d8aee57e | Iustin Pop |
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141 | 098c0958 | Michael Hanselmann | """
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142 | eb180fe2 | Iustin Pop | def __init__(self, cfg_file=None, offline=False, _getents=runtime.GetEnts, |
143 | eb180fe2 | Iustin Pop | accept_foreign=False):
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144 | 14e15659 | Iustin Pop | self.write_count = 0 |
145 | f78ede4e | Guido Trotter | self._lock = _config_lock
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146 | a8083063 | Iustin Pop | self._config_data = None |
147 | a8083063 | Iustin Pop | self._offline = offline
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148 | a8083063 | Iustin Pop | if cfg_file is None: |
149 | a8083063 | Iustin Pop | self._cfg_file = constants.CLUSTER_CONF_FILE
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150 | a8083063 | Iustin Pop | else:
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151 | a8083063 | Iustin Pop | self._cfg_file = cfg_file
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152 | e60c73a1 | René Nussbaumer | self._getents = _getents
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153 | 4fae38c5 | Guido Trotter | self._temporary_ids = TemporaryReservationManager()
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154 | a81c53c9 | Iustin Pop | self._temporary_drbds = {}
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155 | 36b66e6e | Guido Trotter | self._temporary_macs = TemporaryReservationManager()
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156 | afa1386e | Guido Trotter | self._temporary_secrets = TemporaryReservationManager()
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157 | d8aee57e | Iustin Pop | self._temporary_lvs = TemporaryReservationManager()
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158 | d8aee57e | Iustin Pop | self._all_rms = [self._temporary_ids, self._temporary_macs, |
159 | d8aee57e | Iustin Pop | self._temporary_secrets, self._temporary_lvs] |
160 | 89e1fc26 | Iustin Pop | # Note: in order to prevent errors when resolving our name in
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161 | 89e1fc26 | Iustin Pop | # _DistributeConfig, we compute it here once and reuse it; it's
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162 | 89e1fc26 | Iustin Pop | # better to raise an error before starting to modify the config
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163 | 89e1fc26 | Iustin Pop | # file than after it was modified
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164 | b705c7a6 | Manuel Franceschini | self._my_hostname = netutils.Hostname.GetSysName()
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165 | 3c7f6c44 | Iustin Pop | self._last_cluster_serial = -1 |
166 | bd407597 | Iustin Pop | self._cfg_id = None |
167 | b2acdbdc | Michael Hanselmann | self._context = None |
168 | eb180fe2 | Iustin Pop | self._OpenConfig(accept_foreign)
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169 | a8083063 | Iustin Pop | |
170 | b2acdbdc | Michael Hanselmann | def _GetRpc(self, address_list): |
171 | b2acdbdc | Michael Hanselmann | """Returns RPC runner for configuration.
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172 | b2acdbdc | Michael Hanselmann |
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173 | b2acdbdc | Michael Hanselmann | """
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174 | b2acdbdc | Michael Hanselmann | return rpc.ConfigRunner(self._context, address_list) |
175 | b2acdbdc | Michael Hanselmann | |
176 | b2acdbdc | Michael Hanselmann | def SetContext(self, context): |
177 | b2acdbdc | Michael Hanselmann | """Sets Ganeti context.
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178 | b2acdbdc | Michael Hanselmann |
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179 | b2acdbdc | Michael Hanselmann | """
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180 | b2acdbdc | Michael Hanselmann | self._context = context
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181 | b2acdbdc | Michael Hanselmann | |
182 | a8083063 | Iustin Pop | # this method needs to be static, so that we can call it on the class
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183 | a8083063 | Iustin Pop | @staticmethod
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184 | a8083063 | Iustin Pop | def IsCluster(): |
185 | a8083063 | Iustin Pop | """Check if the cluster is configured.
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186 | a8083063 | Iustin Pop |
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187 | a8083063 | Iustin Pop | """
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188 | a8083063 | Iustin Pop | return os.path.exists(constants.CLUSTER_CONF_FILE)
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189 | a8083063 | Iustin Pop | |
190 | 36b66e6e | Guido Trotter | def _GenerateOneMAC(self): |
191 | 36b66e6e | Guido Trotter | """Generate one mac address
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192 | 36b66e6e | Guido Trotter |
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193 | 36b66e6e | Guido Trotter | """
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194 | 36b66e6e | Guido Trotter | prefix = self._config_data.cluster.mac_prefix
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195 | 36b66e6e | Guido Trotter | byte1 = random.randrange(0, 256) |
196 | 36b66e6e | Guido Trotter | byte2 = random.randrange(0, 256) |
197 | 36b66e6e | Guido Trotter | byte3 = random.randrange(0, 256) |
198 | 36b66e6e | Guido Trotter | mac = "%s:%02x:%02x:%02x" % (prefix, byte1, byte2, byte3)
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199 | 36b66e6e | Guido Trotter | return mac
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200 | 36b66e6e | Guido Trotter | |
201 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
202 | 5768e6a6 | René Nussbaumer | def GetNdParams(self, node): |
203 | 5768e6a6 | René Nussbaumer | """Get the node params populated with cluster defaults.
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204 | 5768e6a6 | René Nussbaumer |
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205 | ce523de1 | Michael Hanselmann | @type node: L{objects.Node}
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206 | 5768e6a6 | René Nussbaumer | @param node: The node we want to know the params for
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207 | 5768e6a6 | René Nussbaumer | @return: A dict with the filled in node params
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208 | 5768e6a6 | René Nussbaumer |
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209 | 5768e6a6 | René Nussbaumer | """
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210 | 5768e6a6 | René Nussbaumer | nodegroup = self._UnlockedGetNodeGroup(node.group)
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211 | 5768e6a6 | René Nussbaumer | return self._config_data.cluster.FillND(node, nodegroup) |
212 | 5768e6a6 | René Nussbaumer | |
213 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
214 | 36b66e6e | Guido Trotter | def GenerateMAC(self, ec_id): |
215 | a8083063 | Iustin Pop | """Generate a MAC for an instance.
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216 | a8083063 | Iustin Pop |
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217 | a8083063 | Iustin Pop | This should check the current instances for duplicates.
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218 | a8083063 | Iustin Pop |
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219 | a8083063 | Iustin Pop | """
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220 | 36b66e6e | Guido Trotter | existing = self._AllMACs()
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221 | 36b66e6e | Guido Trotter | return self._temporary_ids.Generate(existing, self._GenerateOneMAC, ec_id) |
222 | a8083063 | Iustin Pop | |
223 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
224 | 36b66e6e | Guido Trotter | def ReserveMAC(self, mac, ec_id): |
225 | 36b66e6e | Guido Trotter | """Reserve a MAC for an instance.
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226 | 1862d460 | Alexander Schreiber |
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227 | 1862d460 | Alexander Schreiber | This only checks instances managed by this cluster, it does not
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228 | 1862d460 | Alexander Schreiber | check for potential collisions elsewhere.
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229 | 1862d460 | Alexander Schreiber |
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230 | 1862d460 | Alexander Schreiber | """
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231 | 1862d460 | Alexander Schreiber | all_macs = self._AllMACs()
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232 | 36b66e6e | Guido Trotter | if mac in all_macs: |
233 | 36b66e6e | Guido Trotter | raise errors.ReservationError("mac already in use") |
234 | 36b66e6e | Guido Trotter | else:
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235 | 8785b71b | Apollon Oikonomopoulos | self._temporary_macs.Reserve(ec_id, mac)
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236 | 1862d460 | Alexander Schreiber | |
237 | f9518d38 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
238 | d8aee57e | Iustin Pop | def ReserveLV(self, lv_name, ec_id): |
239 | d8aee57e | Iustin Pop | """Reserve an VG/LV pair for an instance.
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240 | d8aee57e | Iustin Pop |
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241 | d8aee57e | Iustin Pop | @type lv_name: string
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242 | d8aee57e | Iustin Pop | @param lv_name: the logical volume name to reserve
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243 | d8aee57e | Iustin Pop |
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244 | d8aee57e | Iustin Pop | """
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245 | d8aee57e | Iustin Pop | all_lvs = self._AllLVs()
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246 | d8aee57e | Iustin Pop | if lv_name in all_lvs: |
247 | d8aee57e | Iustin Pop | raise errors.ReservationError("LV already in use") |
248 | d8aee57e | Iustin Pop | else:
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249 | 8785b71b | Apollon Oikonomopoulos | self._temporary_lvs.Reserve(ec_id, lv_name)
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250 | d8aee57e | Iustin Pop | |
251 | d8aee57e | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
252 | afa1386e | Guido Trotter | def GenerateDRBDSecret(self, ec_id): |
253 | f9518d38 | Iustin Pop | """Generate a DRBD secret.
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254 | f9518d38 | Iustin Pop |
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255 | f9518d38 | Iustin Pop | This checks the current disks for duplicates.
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256 | f9518d38 | Iustin Pop |
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257 | f9518d38 | Iustin Pop | """
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258 | afa1386e | Guido Trotter | return self._temporary_secrets.Generate(self._AllDRBDSecrets(), |
259 | afa1386e | Guido Trotter | utils.GenerateSecret, |
260 | afa1386e | Guido Trotter | ec_id) |
261 | 8d9c3bef | Michael Hanselmann | |
262 | 34e54ebc | Iustin Pop | def _AllLVs(self): |
263 | 923b1523 | Iustin Pop | """Compute the list of all LVs.
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264 | 923b1523 | Iustin Pop |
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265 | 923b1523 | Iustin Pop | """
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266 | 923b1523 | Iustin Pop | lvnames = set()
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267 | 923b1523 | Iustin Pop | for instance in self._config_data.instances.values(): |
268 | 923b1523 | Iustin Pop | node_data = instance.MapLVsByNode() |
269 | 923b1523 | Iustin Pop | for lv_list in node_data.values(): |
270 | 923b1523 | Iustin Pop | lvnames.update(lv_list) |
271 | 923b1523 | Iustin Pop | return lvnames
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272 | 923b1523 | Iustin Pop | |
273 | 34e54ebc | Iustin Pop | def _AllIDs(self, include_temporary): |
274 | 34e54ebc | Iustin Pop | """Compute the list of all UUIDs and names we have.
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275 | 34e54ebc | Iustin Pop |
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276 | 34e54ebc | Iustin Pop | @type include_temporary: boolean
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277 | 34e54ebc | Iustin Pop | @param include_temporary: whether to include the _temporary_ids set
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278 | 34e54ebc | Iustin Pop | @rtype: set
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279 | 34e54ebc | Iustin Pop | @return: a set of IDs
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280 | 34e54ebc | Iustin Pop |
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281 | 34e54ebc | Iustin Pop | """
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282 | 34e54ebc | Iustin Pop | existing = set()
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283 | 34e54ebc | Iustin Pop | if include_temporary:
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284 | 4fae38c5 | Guido Trotter | existing.update(self._temporary_ids.GetReserved())
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285 | 34e54ebc | Iustin Pop | existing.update(self._AllLVs())
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286 | 34e54ebc | Iustin Pop | existing.update(self._config_data.instances.keys())
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287 | 34e54ebc | Iustin Pop | existing.update(self._config_data.nodes.keys())
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288 | 76d5d3a3 | Iustin Pop | existing.update([i.uuid for i in self._AllUUIDObjects() if i.uuid]) |
289 | 34e54ebc | Iustin Pop | return existing
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290 | 34e54ebc | Iustin Pop | |
291 | 4fae38c5 | Guido Trotter | def _GenerateUniqueID(self, ec_id): |
292 | 430b923c | Iustin Pop | """Generate an unique UUID.
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293 | 923b1523 | Iustin Pop |
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294 | 923b1523 | Iustin Pop | This checks the current node, instances and disk names for
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295 | 923b1523 | Iustin Pop | duplicates.
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296 | 923b1523 | Iustin Pop |
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297 | c41eea6e | Iustin Pop | @rtype: string
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298 | c41eea6e | Iustin Pop | @return: the unique id
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299 | 923b1523 | Iustin Pop |
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300 | 923b1523 | Iustin Pop | """
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301 | 4fae38c5 | Guido Trotter | existing = self._AllIDs(include_temporary=False) |
302 | 4fae38c5 | Guido Trotter | return self._temporary_ids.Generate(existing, utils.NewUUID, ec_id) |
303 | 923b1523 | Iustin Pop | |
304 | 430b923c | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
305 | 4fae38c5 | Guido Trotter | def GenerateUniqueID(self, ec_id): |
306 | 430b923c | Iustin Pop | """Generate an unique ID.
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307 | 430b923c | Iustin Pop |
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308 | 430b923c | Iustin Pop | This is just a wrapper over the unlocked version.
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309 | 430b923c | Iustin Pop |
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310 | 4fae38c5 | Guido Trotter | @type ec_id: string
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311 | 4fae38c5 | Guido Trotter | @param ec_id: unique id for the job to reserve the id to
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312 | 34d657ba | Iustin Pop |
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313 | 34d657ba | Iustin Pop | """
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314 | 4fae38c5 | Guido Trotter | return self._GenerateUniqueID(ec_id) |
315 | 34d657ba | Iustin Pop | |
316 | a8083063 | Iustin Pop | def _AllMACs(self): |
317 | a8083063 | Iustin Pop | """Return all MACs present in the config.
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318 | a8083063 | Iustin Pop |
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319 | c41eea6e | Iustin Pop | @rtype: list
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320 | c41eea6e | Iustin Pop | @return: the list of all MACs
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321 | c41eea6e | Iustin Pop |
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322 | a8083063 | Iustin Pop | """
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323 | a8083063 | Iustin Pop | result = [] |
324 | a8083063 | Iustin Pop | for instance in self._config_data.instances.values(): |
325 | a8083063 | Iustin Pop | for nic in instance.nics: |
326 | a8083063 | Iustin Pop | result.append(nic.mac) |
327 | a8083063 | Iustin Pop | |
328 | a8083063 | Iustin Pop | return result
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329 | a8083063 | Iustin Pop | |
330 | f9518d38 | Iustin Pop | def _AllDRBDSecrets(self): |
331 | f9518d38 | Iustin Pop | """Return all DRBD secrets present in the config.
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332 | f9518d38 | Iustin Pop |
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333 | c41eea6e | Iustin Pop | @rtype: list
|
334 | c41eea6e | Iustin Pop | @return: the list of all DRBD secrets
|
335 | c41eea6e | Iustin Pop |
|
336 | f9518d38 | Iustin Pop | """
|
337 | f9518d38 | Iustin Pop | def helper(disk, result): |
338 | f9518d38 | Iustin Pop | """Recursively gather secrets from this disk."""
|
339 | f9518d38 | Iustin Pop | if disk.dev_type == constants.DT_DRBD8:
|
340 | f9518d38 | Iustin Pop | result.append(disk.logical_id[5])
|
341 | f9518d38 | Iustin Pop | if disk.children:
|
342 | f9518d38 | Iustin Pop | for child in disk.children: |
343 | f9518d38 | Iustin Pop | helper(child, result) |
344 | f9518d38 | Iustin Pop | |
345 | f9518d38 | Iustin Pop | result = [] |
346 | f9518d38 | Iustin Pop | for instance in self._config_data.instances.values(): |
347 | f9518d38 | Iustin Pop | for disk in instance.disks: |
348 | f9518d38 | Iustin Pop | helper(disk, result) |
349 | f9518d38 | Iustin Pop | |
350 | f9518d38 | Iustin Pop | return result
|
351 | f9518d38 | Iustin Pop | |
352 | 4b98ac29 | Iustin Pop | def _CheckDiskIDs(self, disk, l_ids, p_ids): |
353 | 4b98ac29 | Iustin Pop | """Compute duplicate disk IDs
|
354 | 4b98ac29 | Iustin Pop |
|
355 | 4b98ac29 | Iustin Pop | @type disk: L{objects.Disk}
|
356 | 4b98ac29 | Iustin Pop | @param disk: the disk at which to start searching
|
357 | 4b98ac29 | Iustin Pop | @type l_ids: list
|
358 | 4b98ac29 | Iustin Pop | @param l_ids: list of current logical ids
|
359 | 4b98ac29 | Iustin Pop | @type p_ids: list
|
360 | 4b98ac29 | Iustin Pop | @param p_ids: list of current physical ids
|
361 | 4b98ac29 | Iustin Pop | @rtype: list
|
362 | 4b98ac29 | Iustin Pop | @return: a list of error messages
|
363 | 4b98ac29 | Iustin Pop |
|
364 | 4b98ac29 | Iustin Pop | """
|
365 | 4b98ac29 | Iustin Pop | result = [] |
366 | 25ae22e4 | Iustin Pop | if disk.logical_id is not None: |
367 | 25ae22e4 | Iustin Pop | if disk.logical_id in l_ids: |
368 | 25ae22e4 | Iustin Pop | result.append("duplicate logical id %s" % str(disk.logical_id)) |
369 | 25ae22e4 | Iustin Pop | else:
|
370 | 25ae22e4 | Iustin Pop | l_ids.append(disk.logical_id) |
371 | 25ae22e4 | Iustin Pop | if disk.physical_id is not None: |
372 | 25ae22e4 | Iustin Pop | if disk.physical_id in p_ids: |
373 | 25ae22e4 | Iustin Pop | result.append("duplicate physical id %s" % str(disk.physical_id)) |
374 | 25ae22e4 | Iustin Pop | else:
|
375 | 25ae22e4 | Iustin Pop | p_ids.append(disk.physical_id) |
376 | 4b98ac29 | Iustin Pop | |
377 | 4b98ac29 | Iustin Pop | if disk.children:
|
378 | 4b98ac29 | Iustin Pop | for child in disk.children: |
379 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(child, l_ids, p_ids))
|
380 | 4b98ac29 | Iustin Pop | return result
|
381 | 4b98ac29 | Iustin Pop | |
382 | 4a89c54a | Iustin Pop | def _UnlockedVerifyConfig(self): |
383 | a8efbb40 | Iustin Pop | """Verify function.
|
384 | a8efbb40 | Iustin Pop |
|
385 | 4a89c54a | Iustin Pop | @rtype: list
|
386 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
387 | 4a89c54a | Iustin Pop | configuration errors
|
388 | 4a89c54a | Iustin Pop |
|
389 | a8083063 | Iustin Pop | """
|
390 | b459a848 | Andrea Spadaccini | # pylint: disable=R0914
|
391 | a8083063 | Iustin Pop | result = [] |
392 | a8083063 | Iustin Pop | seen_macs = [] |
393 | 48ce9fd9 | Iustin Pop | ports = {} |
394 | a8083063 | Iustin Pop | data = self._config_data
|
395 | 7e01d204 | Iustin Pop | cluster = data.cluster |
396 | 4b98ac29 | Iustin Pop | seen_lids = [] |
397 | 4b98ac29 | Iustin Pop | seen_pids = [] |
398 | 9a5fba23 | Guido Trotter | |
399 | 9a5fba23 | Guido Trotter | # global cluster checks
|
400 | 7e01d204 | Iustin Pop | if not cluster.enabled_hypervisors: |
401 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors list doesn't have any entries")
|
402 | 7e01d204 | Iustin Pop | invalid_hvs = set(cluster.enabled_hypervisors) - constants.HYPER_TYPES
|
403 | 9a5fba23 | Guido Trotter | if invalid_hvs:
|
404 | 9a5fba23 | Guido Trotter | result.append("enabled hypervisors contains invalid entries: %s" %
|
405 | 9a5fba23 | Guido Trotter | invalid_hvs) |
406 | 7e01d204 | Iustin Pop | missing_hvp = (set(cluster.enabled_hypervisors) -
|
407 | 7e01d204 | Iustin Pop | set(cluster.hvparams.keys()))
|
408 | 9f3ac970 | Iustin Pop | if missing_hvp:
|
409 | 9f3ac970 | Iustin Pop | result.append("hypervisor parameters missing for the enabled"
|
410 | 9f3ac970 | Iustin Pop | " hypervisor(s) %s" % utils.CommaJoin(missing_hvp))
|
411 | 9a5fba23 | Guido Trotter | |
412 | 7e01d204 | Iustin Pop | if cluster.master_node not in data.nodes: |
413 | 9a5fba23 | Guido Trotter | result.append("cluster has invalid primary node '%s'" %
|
414 | 7e01d204 | Iustin Pop | cluster.master_node) |
415 | 9a5fba23 | Guido Trotter | |
416 | 26f2fd8d | Iustin Pop | def _helper(owner, attr, value, template): |
417 | 26f2fd8d | Iustin Pop | try:
|
418 | 26f2fd8d | Iustin Pop | utils.ForceDictType(value, template) |
419 | 26f2fd8d | Iustin Pop | except errors.GenericError, err:
|
420 | 26f2fd8d | Iustin Pop | result.append("%s has invalid %s: %s" % (owner, attr, err))
|
421 | 26f2fd8d | Iustin Pop | |
422 | 26f2fd8d | Iustin Pop | def _helper_nic(owner, params): |
423 | 26f2fd8d | Iustin Pop | try:
|
424 | 26f2fd8d | Iustin Pop | objects.NIC.CheckParameterSyntax(params) |
425 | 26f2fd8d | Iustin Pop | except errors.ConfigurationError, err:
|
426 | 26f2fd8d | Iustin Pop | result.append("%s has invalid nicparams: %s" % (owner, err))
|
427 | 26f2fd8d | Iustin Pop | |
428 | 26f2fd8d | Iustin Pop | # check cluster parameters
|
429 | 26f2fd8d | Iustin Pop | _helper("cluster", "beparams", cluster.SimpleFillBE({}), |
430 | 26f2fd8d | Iustin Pop | constants.BES_PARAMETER_TYPES) |
431 | 26f2fd8d | Iustin Pop | _helper("cluster", "nicparams", cluster.SimpleFillNIC({}), |
432 | 26f2fd8d | Iustin Pop | constants.NICS_PARAMETER_TYPES) |
433 | 26f2fd8d | Iustin Pop | _helper_nic("cluster", cluster.SimpleFillNIC({}))
|
434 | 26f2fd8d | Iustin Pop | _helper("cluster", "ndparams", cluster.SimpleFillND({}), |
435 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
436 | 26f2fd8d | Iustin Pop | |
437 | 9a5fba23 | Guido Trotter | # per-instance checks
|
438 | a8083063 | Iustin Pop | for instance_name in data.instances: |
439 | a8083063 | Iustin Pop | instance = data.instances[instance_name] |
440 | 81196341 | Iustin Pop | if instance.name != instance_name:
|
441 | 81196341 | Iustin Pop | result.append("instance '%s' is indexed by wrong name '%s'" %
|
442 | 81196341 | Iustin Pop | (instance.name, instance_name)) |
443 | a8083063 | Iustin Pop | if instance.primary_node not in data.nodes: |
444 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid primary node '%s'" %
|
445 | a8083063 | Iustin Pop | (instance_name, instance.primary_node)) |
446 | a8083063 | Iustin Pop | for snode in instance.secondary_nodes: |
447 | a8083063 | Iustin Pop | if snode not in data.nodes: |
448 | 8522ceeb | Iustin Pop | result.append("instance '%s' has invalid secondary node '%s'" %
|
449 | a8083063 | Iustin Pop | (instance_name, snode)) |
450 | a8083063 | Iustin Pop | for idx, nic in enumerate(instance.nics): |
451 | a8083063 | Iustin Pop | if nic.mac in seen_macs: |
452 | 8522ceeb | Iustin Pop | result.append("instance '%s' has NIC %d mac %s duplicate" %
|
453 | a8083063 | Iustin Pop | (instance_name, idx, nic.mac)) |
454 | a8083063 | Iustin Pop | else:
|
455 | a8083063 | Iustin Pop | seen_macs.append(nic.mac) |
456 | 26f2fd8d | Iustin Pop | if nic.nicparams:
|
457 | 26f2fd8d | Iustin Pop | filled = cluster.SimpleFillNIC(nic.nicparams) |
458 | 26f2fd8d | Iustin Pop | owner = "instance %s nic %d" % (instance.name, idx)
|
459 | 26f2fd8d | Iustin Pop | _helper(owner, "nicparams",
|
460 | 26f2fd8d | Iustin Pop | filled, constants.NICS_PARAMETER_TYPES) |
461 | 26f2fd8d | Iustin Pop | _helper_nic(owner, filled) |
462 | 26f2fd8d | Iustin Pop | |
463 | 26f2fd8d | Iustin Pop | # parameter checks
|
464 | 26f2fd8d | Iustin Pop | if instance.beparams:
|
465 | 26f2fd8d | Iustin Pop | _helper("instance %s" % instance.name, "beparams", |
466 | 26f2fd8d | Iustin Pop | cluster.FillBE(instance), constants.BES_PARAMETER_TYPES) |
467 | 48ce9fd9 | Iustin Pop | |
468 | 48ce9fd9 | Iustin Pop | # gather the drbd ports for duplicate checks
|
469 | 48ce9fd9 | Iustin Pop | for dsk in instance.disks: |
470 | 48ce9fd9 | Iustin Pop | if dsk.dev_type in constants.LDS_DRBD: |
471 | 48ce9fd9 | Iustin Pop | tcp_port = dsk.logical_id[2]
|
472 | 48ce9fd9 | Iustin Pop | if tcp_port not in ports: |
473 | 48ce9fd9 | Iustin Pop | ports[tcp_port] = [] |
474 | 48ce9fd9 | Iustin Pop | ports[tcp_port].append((instance.name, "drbd disk %s" % dsk.iv_name))
|
475 | 48ce9fd9 | Iustin Pop | # gather network port reservation
|
476 | 48ce9fd9 | Iustin Pop | net_port = getattr(instance, "network_port", None) |
477 | 48ce9fd9 | Iustin Pop | if net_port is not None: |
478 | 48ce9fd9 | Iustin Pop | if net_port not in ports: |
479 | 48ce9fd9 | Iustin Pop | ports[net_port] = [] |
480 | 48ce9fd9 | Iustin Pop | ports[net_port].append((instance.name, "network port"))
|
481 | 48ce9fd9 | Iustin Pop | |
482 | 332d0e37 | Iustin Pop | # instance disk verify
|
483 | 332d0e37 | Iustin Pop | for idx, disk in enumerate(instance.disks): |
484 | 332d0e37 | Iustin Pop | result.extend(["instance '%s' disk %d error: %s" %
|
485 | 332d0e37 | Iustin Pop | (instance.name, idx, msg) for msg in disk.Verify()]) |
486 | 4b98ac29 | Iustin Pop | result.extend(self._CheckDiskIDs(disk, seen_lids, seen_pids))
|
487 | 332d0e37 | Iustin Pop | |
488 | 48ce9fd9 | Iustin Pop | # cluster-wide pool of free ports
|
489 | 7e01d204 | Iustin Pop | for free_port in cluster.tcpudp_port_pool: |
490 | 48ce9fd9 | Iustin Pop | if free_port not in ports: |
491 | 48ce9fd9 | Iustin Pop | ports[free_port] = [] |
492 | 48ce9fd9 | Iustin Pop | ports[free_port].append(("cluster", "port marked as free")) |
493 | 48ce9fd9 | Iustin Pop | |
494 | 48ce9fd9 | Iustin Pop | # compute tcp/udp duplicate ports
|
495 | 48ce9fd9 | Iustin Pop | keys = ports.keys() |
496 | 48ce9fd9 | Iustin Pop | keys.sort() |
497 | 48ce9fd9 | Iustin Pop | for pnum in keys: |
498 | 48ce9fd9 | Iustin Pop | pdata = ports[pnum] |
499 | 48ce9fd9 | Iustin Pop | if len(pdata) > 1: |
500 | 1f864b60 | Iustin Pop | txt = utils.CommaJoin(["%s/%s" % val for val in pdata]) |
501 | 48ce9fd9 | Iustin Pop | result.append("tcp/udp port %s has duplicates: %s" % (pnum, txt))
|
502 | 48ce9fd9 | Iustin Pop | |
503 | 48ce9fd9 | Iustin Pop | # highest used tcp port check
|
504 | 48ce9fd9 | Iustin Pop | if keys:
|
505 | 7e01d204 | Iustin Pop | if keys[-1] > cluster.highest_used_port: |
506 | 48ce9fd9 | Iustin Pop | result.append("Highest used port mismatch, saved %s, computed %s" %
|
507 | 7e01d204 | Iustin Pop | (cluster.highest_used_port, keys[-1]))
|
508 | a8efbb40 | Iustin Pop | |
509 | 7e01d204 | Iustin Pop | if not data.nodes[cluster.master_node].master_candidate: |
510 | 3a26773f | Iustin Pop | result.append("Master node is not a master candidate")
|
511 | 3a26773f | Iustin Pop | |
512 | 4a89c54a | Iustin Pop | # master candidate checks
|
513 | e623dbe3 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats()
|
514 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
515 | ec0292f1 | Iustin Pop | result.append("Not enough master candidates: actual %d, target %d" %
|
516 | ec0292f1 | Iustin Pop | (mc_now, mc_max)) |
517 | 48ce9fd9 | Iustin Pop | |
518 | 5bf07049 | Iustin Pop | # node checks
|
519 | 81196341 | Iustin Pop | for node_name, node in data.nodes.items(): |
520 | 81196341 | Iustin Pop | if node.name != node_name:
|
521 | 81196341 | Iustin Pop | result.append("Node '%s' is indexed by wrong name '%s'" %
|
522 | 81196341 | Iustin Pop | (node.name, node_name)) |
523 | 5bf07049 | Iustin Pop | if [node.master_candidate, node.drained, node.offline].count(True) > 1: |
524 | 5bf07049 | Iustin Pop | result.append("Node %s state is invalid: master_candidate=%s,"
|
525 | 5bf07049 | Iustin Pop | " drain=%s, offline=%s" %
|
526 | 3d889a7d | Michael Hanselmann | (node.name, node.master_candidate, node.drained, |
527 | 5bf07049 | Iustin Pop | node.offline)) |
528 | 26f2fd8d | Iustin Pop | if node.group not in data.nodegroups: |
529 | 26f2fd8d | Iustin Pop | result.append("Node '%s' has invalid group '%s'" %
|
530 | 26f2fd8d | Iustin Pop | (node.name, node.group)) |
531 | 26f2fd8d | Iustin Pop | else:
|
532 | 26f2fd8d | Iustin Pop | _helper("node %s" % node.name, "ndparams", |
533 | 26f2fd8d | Iustin Pop | cluster.FillND(node, data.nodegroups[node.group]), |
534 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
535 | 5bf07049 | Iustin Pop | |
536 | 6520ba14 | Guido Trotter | # nodegroups checks
|
537 | ace16501 | Guido Trotter | nodegroups_names = set()
|
538 | 6520ba14 | Guido Trotter | for nodegroup_uuid in data.nodegroups: |
539 | 6520ba14 | Guido Trotter | nodegroup = data.nodegroups[nodegroup_uuid] |
540 | 6520ba14 | Guido Trotter | if nodegroup.uuid != nodegroup_uuid:
|
541 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') indexed by wrong uuid '%s'"
|
542 | 6520ba14 | Guido Trotter | % (nodegroup.name, nodegroup.uuid, nodegroup_uuid)) |
543 | 485ba212 | Guido Trotter | if utils.UUID_RE.match(nodegroup.name.lower()):
|
544 | 913cc25e | Adeodato Simo | result.append("node group '%s' (uuid: '%s') has uuid-like name" %
|
545 | 485ba212 | Guido Trotter | (nodegroup.name, nodegroup.uuid)) |
546 | ace16501 | Guido Trotter | if nodegroup.name in nodegroups_names: |
547 | 913cc25e | Adeodato Simo | result.append("duplicate node group name '%s'" % nodegroup.name)
|
548 | ace16501 | Guido Trotter | else:
|
549 | ace16501 | Guido Trotter | nodegroups_names.add(nodegroup.name) |
550 | 26f2fd8d | Iustin Pop | if nodegroup.ndparams:
|
551 | 26f2fd8d | Iustin Pop | _helper("group %s" % nodegroup.name, "ndparams", |
552 | 26f2fd8d | Iustin Pop | cluster.SimpleFillND(nodegroup.ndparams), |
553 | 26f2fd8d | Iustin Pop | constants.NDS_PARAMETER_TYPES) |
554 | 26f2fd8d | Iustin Pop | |
555 | 4a89c54a | Iustin Pop | # drbd minors check
|
556 | 1122eb25 | Iustin Pop | _, duplicates = self._UnlockedComputeDRBDMap()
|
557 | 4a89c54a | Iustin Pop | for node, minor, instance_a, instance_b in duplicates: |
558 | 4a89c54a | Iustin Pop | result.append("DRBD minor %d on node %s is assigned twice to instances"
|
559 | 4a89c54a | Iustin Pop | " %s and %s" % (minor, node, instance_a, instance_b))
|
560 | 4a89c54a | Iustin Pop | |
561 | 0ce8f948 | Iustin Pop | # IP checks
|
562 | 7e01d204 | Iustin Pop | default_nicparams = cluster.nicparams[constants.PP_DEFAULT] |
563 | b8716596 | Michael Hanselmann | ips = {} |
564 | b8716596 | Michael Hanselmann | |
565 | b8716596 | Michael Hanselmann | def _AddIpAddress(ip, name): |
566 | b8716596 | Michael Hanselmann | ips.setdefault(ip, []).append(name) |
567 | b8716596 | Michael Hanselmann | |
568 | 7e01d204 | Iustin Pop | _AddIpAddress(cluster.master_ip, "cluster_ip")
|
569 | 0ce8f948 | Iustin Pop | |
570 | 0ce8f948 | Iustin Pop | for node in data.nodes.values(): |
571 | b8716596 | Michael Hanselmann | _AddIpAddress(node.primary_ip, "node:%s/primary" % node.name)
|
572 | 0ce8f948 | Iustin Pop | if node.secondary_ip != node.primary_ip:
|
573 | b8716596 | Michael Hanselmann | _AddIpAddress(node.secondary_ip, "node:%s/secondary" % node.name)
|
574 | b8716596 | Michael Hanselmann | |
575 | b8716596 | Michael Hanselmann | for instance in data.instances.values(): |
576 | b8716596 | Michael Hanselmann | for idx, nic in enumerate(instance.nics): |
577 | b8716596 | Michael Hanselmann | if nic.ip is None: |
578 | b8716596 | Michael Hanselmann | continue
|
579 | b8716596 | Michael Hanselmann | |
580 | b8716596 | Michael Hanselmann | nicparams = objects.FillDict(default_nicparams, nic.nicparams) |
581 | b8716596 | Michael Hanselmann | nic_mode = nicparams[constants.NIC_MODE] |
582 | b8716596 | Michael Hanselmann | nic_link = nicparams[constants.NIC_LINK] |
583 | b8716596 | Michael Hanselmann | |
584 | b8716596 | Michael Hanselmann | if nic_mode == constants.NIC_MODE_BRIDGED:
|
585 | b8716596 | Michael Hanselmann | link = "bridge:%s" % nic_link
|
586 | b8716596 | Michael Hanselmann | elif nic_mode == constants.NIC_MODE_ROUTED:
|
587 | b8716596 | Michael Hanselmann | link = "route:%s" % nic_link
|
588 | b8716596 | Michael Hanselmann | else:
|
589 | b8716596 | Michael Hanselmann | raise errors.ProgrammerError("NIC mode '%s' not handled" % nic_mode) |
590 | b8716596 | Michael Hanselmann | |
591 | b8716596 | Michael Hanselmann | _AddIpAddress("%s/%s" % (link, nic.ip),
|
592 | b8716596 | Michael Hanselmann | "instance:%s/nic:%d" % (instance.name, idx))
|
593 | 0ce8f948 | Iustin Pop | |
594 | 0ce8f948 | Iustin Pop | for ip, owners in ips.items(): |
595 | 0ce8f948 | Iustin Pop | if len(owners) > 1: |
596 | 0ce8f948 | Iustin Pop | result.append("IP address %s is used by multiple owners: %s" %
|
597 | 1f864b60 | Iustin Pop | (ip, utils.CommaJoin(owners))) |
598 | b8716596 | Michael Hanselmann | |
599 | a8083063 | Iustin Pop | return result
|
600 | a8083063 | Iustin Pop | |
601 | 4a89c54a | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
602 | 4a89c54a | Iustin Pop | def VerifyConfig(self): |
603 | 4a89c54a | Iustin Pop | """Verify function.
|
604 | 4a89c54a | Iustin Pop |
|
605 | 4a89c54a | Iustin Pop | This is just a wrapper over L{_UnlockedVerifyConfig}.
|
606 | 4a89c54a | Iustin Pop |
|
607 | 4a89c54a | Iustin Pop | @rtype: list
|
608 | 4a89c54a | Iustin Pop | @return: a list of error messages; a non-empty list signifies
|
609 | 4a89c54a | Iustin Pop | configuration errors
|
610 | 4a89c54a | Iustin Pop |
|
611 | 4a89c54a | Iustin Pop | """
|
612 | 4a89c54a | Iustin Pop | return self._UnlockedVerifyConfig() |
613 | 4a89c54a | Iustin Pop | |
614 | f78ede4e | Guido Trotter | def _UnlockedSetDiskID(self, disk, node_name): |
615 | a8083063 | Iustin Pop | """Convert the unique ID to the ID needed on the target nodes.
|
616 | a8083063 | Iustin Pop |
|
617 | a8083063 | Iustin Pop | This is used only for drbd, which needs ip/port configuration.
|
618 | a8083063 | Iustin Pop |
|
619 | a8083063 | Iustin Pop | The routine descends down and updates its children also, because
|
620 | a8083063 | Iustin Pop | this helps when the only the top device is passed to the remote
|
621 | a8083063 | Iustin Pop | node.
|
622 | a8083063 | Iustin Pop |
|
623 | f78ede4e | Guido Trotter | This function is for internal use, when the config lock is already held.
|
624 | f78ede4e | Guido Trotter |
|
625 | a8083063 | Iustin Pop | """
|
626 | a8083063 | Iustin Pop | if disk.children:
|
627 | a8083063 | Iustin Pop | for child in disk.children: |
628 | f78ede4e | Guido Trotter | self._UnlockedSetDiskID(child, node_name)
|
629 | a8083063 | Iustin Pop | |
630 | a8083063 | Iustin Pop | if disk.logical_id is None and disk.physical_id is not None: |
631 | a8083063 | Iustin Pop | return
|
632 | ffa1c0dc | Iustin Pop | if disk.dev_type == constants.LD_DRBD8:
|
633 | f9518d38 | Iustin Pop | pnode, snode, port, pminor, sminor, secret = disk.logical_id |
634 | a8083063 | Iustin Pop | if node_name not in (pnode, snode): |
635 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("DRBD device not knowing node %s" % |
636 | 3ecf6786 | Iustin Pop | node_name) |
637 | f78ede4e | Guido Trotter | pnode_info = self._UnlockedGetNodeInfo(pnode)
|
638 | f78ede4e | Guido Trotter | snode_info = self._UnlockedGetNodeInfo(snode)
|
639 | a8083063 | Iustin Pop | if pnode_info is None or snode_info is None: |
640 | a8083063 | Iustin Pop | raise errors.ConfigurationError("Can't find primary or secondary node" |
641 | a8083063 | Iustin Pop | " for %s" % str(disk)) |
642 | ffa1c0dc | Iustin Pop | p_data = (pnode_info.secondary_ip, port) |
643 | ffa1c0dc | Iustin Pop | s_data = (snode_info.secondary_ip, port) |
644 | a8083063 | Iustin Pop | if pnode == node_name:
|
645 | f9518d38 | Iustin Pop | disk.physical_id = p_data + s_data + (pminor, secret) |
646 | a8083063 | Iustin Pop | else: # it must be secondary, we tested above |
647 | f9518d38 | Iustin Pop | disk.physical_id = s_data + p_data + (sminor, secret) |
648 | a8083063 | Iustin Pop | else:
|
649 | a8083063 | Iustin Pop | disk.physical_id = disk.logical_id |
650 | a8083063 | Iustin Pop | return
|
651 | a8083063 | Iustin Pop | |
652 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
653 | f78ede4e | Guido Trotter | def SetDiskID(self, disk, node_name): |
654 | f78ede4e | Guido Trotter | """Convert the unique ID to the ID needed on the target nodes.
|
655 | f78ede4e | Guido Trotter |
|
656 | f78ede4e | Guido Trotter | This is used only for drbd, which needs ip/port configuration.
|
657 | f78ede4e | Guido Trotter |
|
658 | f78ede4e | Guido Trotter | The routine descends down and updates its children also, because
|
659 | f78ede4e | Guido Trotter | this helps when the only the top device is passed to the remote
|
660 | f78ede4e | Guido Trotter | node.
|
661 | f78ede4e | Guido Trotter |
|
662 | f78ede4e | Guido Trotter | """
|
663 | f78ede4e | Guido Trotter | return self._UnlockedSetDiskID(disk, node_name) |
664 | f78ede4e | Guido Trotter | |
665 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
666 | b2fddf63 | Iustin Pop | def AddTcpUdpPort(self, port): |
667 | b2fddf63 | Iustin Pop | """Adds a new port to the available port pool.
|
668 | b2fddf63 | Iustin Pop |
|
669 | b2fddf63 | Iustin Pop | """
|
670 | 264bb3c5 | Michael Hanselmann | if not isinstance(port, int): |
671 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed for port") |
672 | 264bb3c5 | Michael Hanselmann | |
673 | b2fddf63 | Iustin Pop | self._config_data.cluster.tcpudp_port_pool.add(port)
|
674 | 264bb3c5 | Michael Hanselmann | self._WriteConfig()
|
675 | 264bb3c5 | Michael Hanselmann | |
676 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
677 | b2fddf63 | Iustin Pop | def GetPortList(self): |
678 | 264bb3c5 | Michael Hanselmann | """Returns a copy of the current port list.
|
679 | 264bb3c5 | Michael Hanselmann |
|
680 | 264bb3c5 | Michael Hanselmann | """
|
681 | b2fddf63 | Iustin Pop | return self._config_data.cluster.tcpudp_port_pool.copy() |
682 | 264bb3c5 | Michael Hanselmann | |
683 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
684 | a8083063 | Iustin Pop | def AllocatePort(self): |
685 | a8083063 | Iustin Pop | """Allocate a port.
|
686 | a8083063 | Iustin Pop |
|
687 | b2fddf63 | Iustin Pop | The port will be taken from the available port pool or from the
|
688 | b2fddf63 | Iustin Pop | default port range (and in this case we increase
|
689 | b2fddf63 | Iustin Pop | highest_used_port).
|
690 | a8083063 | Iustin Pop |
|
691 | a8083063 | Iustin Pop | """
|
692 | 264bb3c5 | Michael Hanselmann | # If there are TCP/IP ports configured, we use them first.
|
693 | b2fddf63 | Iustin Pop | if self._config_data.cluster.tcpudp_port_pool: |
694 | b2fddf63 | Iustin Pop | port = self._config_data.cluster.tcpudp_port_pool.pop()
|
695 | 264bb3c5 | Michael Hanselmann | else:
|
696 | 264bb3c5 | Michael Hanselmann | port = self._config_data.cluster.highest_used_port + 1 |
697 | 264bb3c5 | Michael Hanselmann | if port >= constants.LAST_DRBD_PORT:
|
698 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("The highest used port is greater" |
699 | 3ecf6786 | Iustin Pop | " than %s. Aborting." %
|
700 | 3ecf6786 | Iustin Pop | constants.LAST_DRBD_PORT) |
701 | 264bb3c5 | Michael Hanselmann | self._config_data.cluster.highest_used_port = port
|
702 | a8083063 | Iustin Pop | |
703 | a8083063 | Iustin Pop | self._WriteConfig()
|
704 | a8083063 | Iustin Pop | return port
|
705 | a8083063 | Iustin Pop | |
706 | 6d2e83d5 | Iustin Pop | def _UnlockedComputeDRBDMap(self): |
707 | a81c53c9 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
708 | a81c53c9 | Iustin Pop |
|
709 | 4a89c54a | Iustin Pop | @rtype: (dict, list)
|
710 | c41eea6e | Iustin Pop | @return: dictionary of node_name: dict of minor: instance_name;
|
711 | c41eea6e | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
712 | 4a89c54a | Iustin Pop | an empty list), and a list of duplicates; if the duplicates
|
713 | 4a89c54a | Iustin Pop | list is not empty, the configuration is corrupted and its caller
|
714 | 4a89c54a | Iustin Pop | should raise an exception
|
715 | a81c53c9 | Iustin Pop |
|
716 | a81c53c9 | Iustin Pop | """
|
717 | a81c53c9 | Iustin Pop | def _AppendUsedPorts(instance_name, disk, used): |
718 | 4a89c54a | Iustin Pop | duplicates = [] |
719 | f9518d38 | Iustin Pop | if disk.dev_type == constants.LD_DRBD8 and len(disk.logical_id) >= 5: |
720 | 7c4d6c7b | Michael Hanselmann | node_a, node_b, _, minor_a, minor_b = disk.logical_id[:5]
|
721 | 7c4d6c7b | Michael Hanselmann | for node, port in ((node_a, minor_a), (node_b, minor_b)): |
722 | 4a89c54a | Iustin Pop | assert node in used, ("Node '%s' of instance '%s' not found" |
723 | 4a89c54a | Iustin Pop | " in node list" % (node, instance_name))
|
724 | a81c53c9 | Iustin Pop | if port in used[node]: |
725 | 4a89c54a | Iustin Pop | duplicates.append((node, port, instance_name, used[node][port])) |
726 | 4a89c54a | Iustin Pop | else:
|
727 | 4a89c54a | Iustin Pop | used[node][port] = instance_name |
728 | a81c53c9 | Iustin Pop | if disk.children:
|
729 | a81c53c9 | Iustin Pop | for child in disk.children: |
730 | 4a89c54a | Iustin Pop | duplicates.extend(_AppendUsedPorts(instance_name, child, used)) |
731 | 4a89c54a | Iustin Pop | return duplicates
|
732 | a81c53c9 | Iustin Pop | |
733 | 4a89c54a | Iustin Pop | duplicates = [] |
734 | a81c53c9 | Iustin Pop | my_dict = dict((node, {}) for node in self._config_data.nodes) |
735 | 79b26a7a | Iustin Pop | for instance in self._config_data.instances.itervalues(): |
736 | 79b26a7a | Iustin Pop | for disk in instance.disks: |
737 | 79b26a7a | Iustin Pop | duplicates.extend(_AppendUsedPorts(instance.name, disk, my_dict)) |
738 | a81c53c9 | Iustin Pop | for (node, minor), instance in self._temporary_drbds.iteritems(): |
739 | 79b26a7a | Iustin Pop | if minor in my_dict[node] and my_dict[node][minor] != instance: |
740 | 4a89c54a | Iustin Pop | duplicates.append((node, minor, instance, my_dict[node][minor])) |
741 | 4a89c54a | Iustin Pop | else:
|
742 | 4a89c54a | Iustin Pop | my_dict[node][minor] = instance |
743 | 4a89c54a | Iustin Pop | return my_dict, duplicates
|
744 | a81c53c9 | Iustin Pop | |
745 | a81c53c9 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
746 | 6d2e83d5 | Iustin Pop | def ComputeDRBDMap(self): |
747 | 6d2e83d5 | Iustin Pop | """Compute the used DRBD minor/nodes.
|
748 | 6d2e83d5 | Iustin Pop |
|
749 | 6d2e83d5 | Iustin Pop | This is just a wrapper over L{_UnlockedComputeDRBDMap}.
|
750 | 6d2e83d5 | Iustin Pop |
|
751 | 6d2e83d5 | Iustin Pop | @return: dictionary of node_name: dict of minor: instance_name;
|
752 | 6d2e83d5 | Iustin Pop | the returned dict will have all the nodes in it (even if with
|
753 | 6d2e83d5 | Iustin Pop | an empty list).
|
754 | 6d2e83d5 | Iustin Pop |
|
755 | 6d2e83d5 | Iustin Pop | """
|
756 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
757 | 4a89c54a | Iustin Pop | if duplicates:
|
758 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
759 | 4a89c54a | Iustin Pop | str(duplicates))
|
760 | 4a89c54a | Iustin Pop | return d_map
|
761 | 6d2e83d5 | Iustin Pop | |
762 | 6d2e83d5 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
763 | a81c53c9 | Iustin Pop | def AllocateDRBDMinor(self, nodes, instance): |
764 | a81c53c9 | Iustin Pop | """Allocate a drbd minor.
|
765 | a81c53c9 | Iustin Pop |
|
766 | a81c53c9 | Iustin Pop | The free minor will be automatically computed from the existing
|
767 | a81c53c9 | Iustin Pop | devices. A node can be given multiple times in order to allocate
|
768 | a81c53c9 | Iustin Pop | multiple minors. The result is the list of minors, in the same
|
769 | a81c53c9 | Iustin Pop | order as the passed nodes.
|
770 | a81c53c9 | Iustin Pop |
|
771 | 32388e6d | Iustin Pop | @type instance: string
|
772 | 32388e6d | Iustin Pop | @param instance: the instance for which we allocate minors
|
773 | 32388e6d | Iustin Pop |
|
774 | a81c53c9 | Iustin Pop | """
|
775 | 32388e6d | Iustin Pop | assert isinstance(instance, basestring), \ |
776 | 4a89c54a | Iustin Pop | "Invalid argument '%s' passed to AllocateDRBDMinor" % instance
|
777 | 32388e6d | Iustin Pop | |
778 | 4a89c54a | Iustin Pop | d_map, duplicates = self._UnlockedComputeDRBDMap()
|
779 | 4a89c54a | Iustin Pop | if duplicates:
|
780 | 4a89c54a | Iustin Pop | raise errors.ConfigurationError("Duplicate DRBD ports detected: %s" % |
781 | 4a89c54a | Iustin Pop | str(duplicates))
|
782 | a81c53c9 | Iustin Pop | result = [] |
783 | a81c53c9 | Iustin Pop | for nname in nodes: |
784 | a81c53c9 | Iustin Pop | ndata = d_map[nname] |
785 | a81c53c9 | Iustin Pop | if not ndata: |
786 | a81c53c9 | Iustin Pop | # no minors used, we can start at 0
|
787 | a81c53c9 | Iustin Pop | result.append(0)
|
788 | a81c53c9 | Iustin Pop | ndata[0] = instance
|
789 | d48663e4 | Iustin Pop | self._temporary_drbds[(nname, 0)] = instance |
790 | a81c53c9 | Iustin Pop | continue
|
791 | a81c53c9 | Iustin Pop | keys = ndata.keys() |
792 | a81c53c9 | Iustin Pop | keys.sort() |
793 | a81c53c9 | Iustin Pop | ffree = utils.FirstFree(keys) |
794 | a81c53c9 | Iustin Pop | if ffree is None: |
795 | a81c53c9 | Iustin Pop | # return the next minor
|
796 | a81c53c9 | Iustin Pop | # TODO: implement high-limit check
|
797 | a81c53c9 | Iustin Pop | minor = keys[-1] + 1 |
798 | a81c53c9 | Iustin Pop | else:
|
799 | a81c53c9 | Iustin Pop | minor = ffree |
800 | 4a89c54a | Iustin Pop | # double-check minor against current instances
|
801 | 4a89c54a | Iustin Pop | assert minor not in d_map[nname], \ |
802 | 4a89c54a | Iustin Pop | ("Attempt to reuse allocated DRBD minor %d on node %s,"
|
803 | 4a89c54a | Iustin Pop | " already allocated to instance %s" %
|
804 | 4a89c54a | Iustin Pop | (minor, nname, d_map[nname][minor])) |
805 | a81c53c9 | Iustin Pop | ndata[minor] = instance |
806 | 4a89c54a | Iustin Pop | # double-check minor against reservation
|
807 | 4a89c54a | Iustin Pop | r_key = (nname, minor) |
808 | 4a89c54a | Iustin Pop | assert r_key not in self._temporary_drbds, \ |
809 | 4a89c54a | Iustin Pop | ("Attempt to reuse reserved DRBD minor %d on node %s,"
|
810 | 4a89c54a | Iustin Pop | " reserved for instance %s" %
|
811 | 4a89c54a | Iustin Pop | (minor, nname, self._temporary_drbds[r_key]))
|
812 | 4a89c54a | Iustin Pop | self._temporary_drbds[r_key] = instance
|
813 | 4a89c54a | Iustin Pop | result.append(minor) |
814 | a81c53c9 | Iustin Pop | logging.debug("Request to allocate drbd minors, input: %s, returning %s",
|
815 | a81c53c9 | Iustin Pop | nodes, result) |
816 | a81c53c9 | Iustin Pop | return result
|
817 | a81c53c9 | Iustin Pop | |
818 | 61cf6b5e | Iustin Pop | def _UnlockedReleaseDRBDMinors(self, instance): |
819 | a81c53c9 | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
820 | a81c53c9 | Iustin Pop |
|
821 | a81c53c9 | Iustin Pop | @type instance: string
|
822 | a81c53c9 | Iustin Pop | @param instance: the instance for which temporary minors should be
|
823 | a81c53c9 | Iustin Pop | released
|
824 | a81c53c9 | Iustin Pop |
|
825 | a81c53c9 | Iustin Pop | """
|
826 | 32388e6d | Iustin Pop | assert isinstance(instance, basestring), \ |
827 | 32388e6d | Iustin Pop | "Invalid argument passed to ReleaseDRBDMinors"
|
828 | a81c53c9 | Iustin Pop | for key, name in self._temporary_drbds.items(): |
829 | a81c53c9 | Iustin Pop | if name == instance:
|
830 | a81c53c9 | Iustin Pop | del self._temporary_drbds[key] |
831 | a81c53c9 | Iustin Pop | |
832 | 61cf6b5e | Iustin Pop | @locking.ssynchronized(_config_lock)
|
833 | 61cf6b5e | Iustin Pop | def ReleaseDRBDMinors(self, instance): |
834 | 61cf6b5e | Iustin Pop | """Release temporary drbd minors allocated for a given instance.
|
835 | 61cf6b5e | Iustin Pop |
|
836 | 61cf6b5e | Iustin Pop | This should be called on the error paths, on the success paths
|
837 | 61cf6b5e | Iustin Pop | it's automatically called by the ConfigWriter add and update
|
838 | 61cf6b5e | Iustin Pop | functions.
|
839 | 61cf6b5e | Iustin Pop |
|
840 | 61cf6b5e | Iustin Pop | This function is just a wrapper over L{_UnlockedReleaseDRBDMinors}.
|
841 | 61cf6b5e | Iustin Pop |
|
842 | 61cf6b5e | Iustin Pop | @type instance: string
|
843 | 61cf6b5e | Iustin Pop | @param instance: the instance for which temporary minors should be
|
844 | 61cf6b5e | Iustin Pop | released
|
845 | 61cf6b5e | Iustin Pop |
|
846 | 61cf6b5e | Iustin Pop | """
|
847 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(instance)
|
848 | 61cf6b5e | Iustin Pop | |
849 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
850 | 4a8b186a | Michael Hanselmann | def GetConfigVersion(self): |
851 | 4a8b186a | Michael Hanselmann | """Get the configuration version.
|
852 | 4a8b186a | Michael Hanselmann |
|
853 | 4a8b186a | Michael Hanselmann | @return: Config version
|
854 | 4a8b186a | Michael Hanselmann |
|
855 | 4a8b186a | Michael Hanselmann | """
|
856 | 4a8b186a | Michael Hanselmann | return self._config_data.version |
857 | 4a8b186a | Michael Hanselmann | |
858 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
859 | 4a8b186a | Michael Hanselmann | def GetClusterName(self): |
860 | 4a8b186a | Michael Hanselmann | """Get cluster name.
|
861 | 4a8b186a | Michael Hanselmann |
|
862 | 4a8b186a | Michael Hanselmann | @return: Cluster name
|
863 | 4a8b186a | Michael Hanselmann |
|
864 | 4a8b186a | Michael Hanselmann | """
|
865 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.cluster_name |
866 | 4a8b186a | Michael Hanselmann | |
867 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
868 | 4a8b186a | Michael Hanselmann | def GetMasterNode(self): |
869 | 4a8b186a | Michael Hanselmann | """Get the hostname of the master node for this cluster.
|
870 | 4a8b186a | Michael Hanselmann |
|
871 | 4a8b186a | Michael Hanselmann | @return: Master hostname
|
872 | 4a8b186a | Michael Hanselmann |
|
873 | 4a8b186a | Michael Hanselmann | """
|
874 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_node |
875 | 4a8b186a | Michael Hanselmann | |
876 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
877 | 4a8b186a | Michael Hanselmann | def GetMasterIP(self): |
878 | 4a8b186a | Michael Hanselmann | """Get the IP of the master node for this cluster.
|
879 | 4a8b186a | Michael Hanselmann |
|
880 | 4a8b186a | Michael Hanselmann | @return: Master IP
|
881 | 4a8b186a | Michael Hanselmann |
|
882 | 4a8b186a | Michael Hanselmann | """
|
883 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_ip |
884 | 4a8b186a | Michael Hanselmann | |
885 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
886 | 4a8b186a | Michael Hanselmann | def GetMasterNetdev(self): |
887 | 4a8b186a | Michael Hanselmann | """Get the master network device for this cluster.
|
888 | 4a8b186a | Michael Hanselmann |
|
889 | 4a8b186a | Michael Hanselmann | """
|
890 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.master_netdev |
891 | 4a8b186a | Michael Hanselmann | |
892 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
893 | 5a8648eb | Andrea Spadaccini | def GetMasterNetmask(self): |
894 | 5a8648eb | Andrea Spadaccini | """Get the netmask of the master node for this cluster.
|
895 | 5a8648eb | Andrea Spadaccini |
|
896 | 5a8648eb | Andrea Spadaccini | """
|
897 | 5a8648eb | Andrea Spadaccini | return self._config_data.cluster.master_netmask |
898 | 5a8648eb | Andrea Spadaccini | |
899 | 5a8648eb | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
900 | 4a8b186a | Michael Hanselmann | def GetFileStorageDir(self): |
901 | 4a8b186a | Michael Hanselmann | """Get the file storage dir for this cluster.
|
902 | 4a8b186a | Michael Hanselmann |
|
903 | 4a8b186a | Michael Hanselmann | """
|
904 | 4a8b186a | Michael Hanselmann | return self._config_data.cluster.file_storage_dir |
905 | 4a8b186a | Michael Hanselmann | |
906 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
907 | 4b97f902 | Apollon Oikonomopoulos | def GetSharedFileStorageDir(self): |
908 | 4b97f902 | Apollon Oikonomopoulos | """Get the shared file storage dir for this cluster.
|
909 | 4b97f902 | Apollon Oikonomopoulos |
|
910 | 4b97f902 | Apollon Oikonomopoulos | """
|
911 | 4b97f902 | Apollon Oikonomopoulos | return self._config_data.cluster.shared_file_storage_dir |
912 | 4b97f902 | Apollon Oikonomopoulos | |
913 | 4b97f902 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
914 | 4a8b186a | Michael Hanselmann | def GetHypervisorType(self): |
915 | 4a8b186a | Michael Hanselmann | """Get the hypervisor type for this cluster.
|
916 | 4a8b186a | Michael Hanselmann |
|
917 | 4a8b186a | Michael Hanselmann | """
|
918 | 066f465d | Guido Trotter | return self._config_data.cluster.enabled_hypervisors[0] |
919 | 4a8b186a | Michael Hanselmann | |
920 | 4a8b186a | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
921 | a8083063 | Iustin Pop | def GetHostKey(self): |
922 | a8083063 | Iustin Pop | """Return the rsa hostkey from the config.
|
923 | a8083063 | Iustin Pop |
|
924 | c41eea6e | Iustin Pop | @rtype: string
|
925 | c41eea6e | Iustin Pop | @return: the rsa hostkey
|
926 | a8083063 | Iustin Pop |
|
927 | a8083063 | Iustin Pop | """
|
928 | a8083063 | Iustin Pop | return self._config_data.cluster.rsahostkeypub |
929 | a8083063 | Iustin Pop | |
930 | bf4af505 | Apollon Oikonomopoulos | @locking.ssynchronized(_config_lock, shared=1) |
931 | bf4af505 | Apollon Oikonomopoulos | def GetDefaultIAllocator(self): |
932 | bf4af505 | Apollon Oikonomopoulos | """Get the default instance allocator for this cluster.
|
933 | bf4af505 | Apollon Oikonomopoulos |
|
934 | bf4af505 | Apollon Oikonomopoulos | """
|
935 | bf4af505 | Apollon Oikonomopoulos | return self._config_data.cluster.default_iallocator |
936 | bf4af505 | Apollon Oikonomopoulos | |
937 | 868a98ca | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
938 | 868a98ca | Manuel Franceschini | def GetPrimaryIPFamily(self): |
939 | 868a98ca | Manuel Franceschini | """Get cluster primary ip family.
|
940 | 868a98ca | Manuel Franceschini |
|
941 | 868a98ca | Manuel Franceschini | @return: primary ip family
|
942 | 868a98ca | Manuel Franceschini |
|
943 | 868a98ca | Manuel Franceschini | """
|
944 | 868a98ca | Manuel Franceschini | return self._config_data.cluster.primary_ip_family |
945 | 868a98ca | Manuel Franceschini | |
946 | c9f4b8e6 | Andrea Spadaccini | @locking.ssynchronized(_config_lock, shared=1) |
947 | c9f4b8e6 | Andrea Spadaccini | def GetMasterNetworkParameters(self): |
948 | c9f4b8e6 | Andrea Spadaccini | """Get network parameters of the master node.
|
949 | c9f4b8e6 | Andrea Spadaccini |
|
950 | f9d20654 | Andrea Spadaccini | @rtype: L{object.MasterNetworkParameters}
|
951 | f9d20654 | Andrea Spadaccini | @return: network parameters of the master node
|
952 | c9f4b8e6 | Andrea Spadaccini |
|
953 | c9f4b8e6 | Andrea Spadaccini | """
|
954 | c9f4b8e6 | Andrea Spadaccini | cluster = self._config_data.cluster
|
955 | c79198a0 | Andrea Spadaccini | result = objects.MasterNetworkParameters(name=cluster.master_node, |
956 | c79198a0 | Andrea Spadaccini | ip=cluster.master_ip, |
957 | c79198a0 | Andrea Spadaccini | netmask=cluster.master_netmask, |
958 | c79198a0 | Andrea Spadaccini | netdev=cluster.master_netdev, |
959 | c79198a0 | Andrea Spadaccini | ip_family=cluster.primary_ip_family) |
960 | c9f4b8e6 | Andrea Spadaccini | |
961 | f9d20654 | Andrea Spadaccini | return result
|
962 | f9d20654 | Andrea Spadaccini | |
963 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
964 | e11a1b77 | Adeodato Simo | def AddNodeGroup(self, group, ec_id, check_uuid=True): |
965 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
966 | e11a1b77 | Adeodato Simo |
|
967 | 90e99856 | Adeodato Simo | This method calls group.UpgradeConfig() to fill any missing attributes
|
968 | 90e99856 | Adeodato Simo | according to their default values.
|
969 | 90e99856 | Adeodato Simo |
|
970 | e11a1b77 | Adeodato Simo | @type group: L{objects.NodeGroup}
|
971 | e11a1b77 | Adeodato Simo | @param group: the NodeGroup object to add
|
972 | e11a1b77 | Adeodato Simo | @type ec_id: string
|
973 | e11a1b77 | Adeodato Simo | @param ec_id: unique id for the job to use when creating a missing UUID
|
974 | e11a1b77 | Adeodato Simo | @type check_uuid: bool
|
975 | e11a1b77 | Adeodato Simo | @param check_uuid: add an UUID to the group if it doesn't have one or, if
|
976 | e11a1b77 | Adeodato Simo | it does, ensure that it does not exist in the
|
977 | e11a1b77 | Adeodato Simo | configuration already
|
978 | e11a1b77 | Adeodato Simo |
|
979 | e11a1b77 | Adeodato Simo | """
|
980 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(group, ec_id, check_uuid)
|
981 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
982 | e11a1b77 | Adeodato Simo | |
983 | e11a1b77 | Adeodato Simo | def _UnlockedAddNodeGroup(self, group, ec_id, check_uuid): |
984 | e11a1b77 | Adeodato Simo | """Add a node group to the configuration.
|
985 | e11a1b77 | Adeodato Simo |
|
986 | e11a1b77 | Adeodato Simo | """
|
987 | e11a1b77 | Adeodato Simo | logging.info("Adding node group %s to configuration", group.name)
|
988 | e11a1b77 | Adeodato Simo | |
989 | e11a1b77 | Adeodato Simo | # Some code might need to add a node group with a pre-populated UUID
|
990 | e11a1b77 | Adeodato Simo | # generated with ConfigWriter.GenerateUniqueID(). We allow them to bypass
|
991 | e11a1b77 | Adeodato Simo | # the "does this UUID" exist already check.
|
992 | e11a1b77 | Adeodato Simo | if check_uuid:
|
993 | e11a1b77 | Adeodato Simo | self._EnsureUUID(group, ec_id)
|
994 | e11a1b77 | Adeodato Simo | |
995 | 18ffc0fe | Stephen Shirley | try:
|
996 | 18ffc0fe | Stephen Shirley | existing_uuid = self._UnlockedLookupNodeGroup(group.name)
|
997 | 18ffc0fe | Stephen Shirley | except errors.OpPrereqError:
|
998 | 18ffc0fe | Stephen Shirley | pass
|
999 | 18ffc0fe | Stephen Shirley | else:
|
1000 | 18ffc0fe | Stephen Shirley | raise errors.OpPrereqError("Desired group name '%s' already exists as a" |
1001 | 18ffc0fe | Stephen Shirley | " node group (UUID: %s)" %
|
1002 | 18ffc0fe | Stephen Shirley | (group.name, existing_uuid), |
1003 | 18ffc0fe | Stephen Shirley | errors.ECODE_EXISTS) |
1004 | 18ffc0fe | Stephen Shirley | |
1005 | e11a1b77 | Adeodato Simo | group.serial_no = 1
|
1006 | e11a1b77 | Adeodato Simo | group.ctime = group.mtime = time.time() |
1007 | 90e99856 | Adeodato Simo | group.UpgradeConfig() |
1008 | e11a1b77 | Adeodato Simo | |
1009 | e11a1b77 | Adeodato Simo | self._config_data.nodegroups[group.uuid] = group
|
1010 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1011 | e11a1b77 | Adeodato Simo | |
1012 | e11a1b77 | Adeodato Simo | @locking.ssynchronized(_config_lock)
|
1013 | e11a1b77 | Adeodato Simo | def RemoveNodeGroup(self, group_uuid): |
1014 | e11a1b77 | Adeodato Simo | """Remove a node group from the configuration.
|
1015 | e11a1b77 | Adeodato Simo |
|
1016 | e11a1b77 | Adeodato Simo | @type group_uuid: string
|
1017 | e11a1b77 | Adeodato Simo | @param group_uuid: the UUID of the node group to remove
|
1018 | e11a1b77 | Adeodato Simo |
|
1019 | e11a1b77 | Adeodato Simo | """
|
1020 | e11a1b77 | Adeodato Simo | logging.info("Removing node group %s from configuration", group_uuid)
|
1021 | e11a1b77 | Adeodato Simo | |
1022 | e11a1b77 | Adeodato Simo | if group_uuid not in self._config_data.nodegroups: |
1023 | e11a1b77 | Adeodato Simo | raise errors.ConfigurationError("Unknown node group '%s'" % group_uuid) |
1024 | e11a1b77 | Adeodato Simo | |
1025 | 0389c42a | Stephen Shirley | assert len(self._config_data.nodegroups) != 1, \ |
1026 | 0389c42a | Stephen Shirley | "Group '%s' is the only group, cannot be removed" % group_uuid
|
1027 | 0389c42a | Stephen Shirley | |
1028 | e11a1b77 | Adeodato Simo | del self._config_data.nodegroups[group_uuid] |
1029 | e11a1b77 | Adeodato Simo | self._config_data.cluster.serial_no += 1 |
1030 | e11a1b77 | Adeodato Simo | self._WriteConfig()
|
1031 | e11a1b77 | Adeodato Simo | |
1032 | e85d8982 | Stephen Shirley | def _UnlockedLookupNodeGroup(self, target): |
1033 | 412b3531 | Guido Trotter | """Lookup a node group's UUID.
|
1034 | eaa98a04 | Guido Trotter |
|
1035 | eaa98a04 | Guido Trotter | @type target: string or None
|
1036 | 412b3531 | Guido Trotter | @param target: group name or UUID or None to look for the default
|
1037 | eaa98a04 | Guido Trotter | @rtype: string
|
1038 | 412b3531 | Guido Trotter | @return: nodegroup UUID
|
1039 | eaa98a04 | Guido Trotter | @raises errors.OpPrereqError: when the target group cannot be found
|
1040 | eaa98a04 | Guido Trotter |
|
1041 | eaa98a04 | Guido Trotter | """
|
1042 | eaa98a04 | Guido Trotter | if target is None: |
1043 | eaa98a04 | Guido Trotter | if len(self._config_data.nodegroups) != 1: |
1044 | 913cc25e | Adeodato Simo | raise errors.OpPrereqError("More than one node group exists. Target" |
1045 | eaa98a04 | Guido Trotter | " group must be specified explicitely.")
|
1046 | eaa98a04 | Guido Trotter | else:
|
1047 | eaa98a04 | Guido Trotter | return self._config_data.nodegroups.keys()[0] |
1048 | eaa98a04 | Guido Trotter | if target in self._config_data.nodegroups: |
1049 | eaa98a04 | Guido Trotter | return target
|
1050 | eaa98a04 | Guido Trotter | for nodegroup in self._config_data.nodegroups.values(): |
1051 | eaa98a04 | Guido Trotter | if nodegroup.name == target:
|
1052 | eaa98a04 | Guido Trotter | return nodegroup.uuid
|
1053 | e0f9ed64 | Adeodato Simo | raise errors.OpPrereqError("Node group '%s' not found" % target, |
1054 | e0f9ed64 | Adeodato Simo | errors.ECODE_NOENT) |
1055 | eaa98a04 | Guido Trotter | |
1056 | e85d8982 | Stephen Shirley | @locking.ssynchronized(_config_lock, shared=1) |
1057 | e85d8982 | Stephen Shirley | def LookupNodeGroup(self, target): |
1058 | e85d8982 | Stephen Shirley | """Lookup a node group's UUID.
|
1059 | e85d8982 | Stephen Shirley |
|
1060 | e85d8982 | Stephen Shirley | This function is just a wrapper over L{_UnlockedLookupNodeGroup}.
|
1061 | e85d8982 | Stephen Shirley |
|
1062 | e85d8982 | Stephen Shirley | @type target: string or None
|
1063 | e85d8982 | Stephen Shirley | @param target: group name or UUID or None to look for the default
|
1064 | e85d8982 | Stephen Shirley | @rtype: string
|
1065 | e85d8982 | Stephen Shirley | @return: nodegroup UUID
|
1066 | e85d8982 | Stephen Shirley |
|
1067 | e85d8982 | Stephen Shirley | """
|
1068 | e85d8982 | Stephen Shirley | return self._UnlockedLookupNodeGroup(target) |
1069 | e85d8982 | Stephen Shirley | |
1070 | 5768e6a6 | René Nussbaumer | def _UnlockedGetNodeGroup(self, uuid): |
1071 | 648e4196 | Guido Trotter | """Lookup a node group.
|
1072 | 648e4196 | Guido Trotter |
|
1073 | 648e4196 | Guido Trotter | @type uuid: string
|
1074 | 648e4196 | Guido Trotter | @param uuid: group UUID
|
1075 | 648e4196 | Guido Trotter | @rtype: L{objects.NodeGroup} or None
|
1076 | 648e4196 | Guido Trotter | @return: nodegroup object, or None if not found
|
1077 | 648e4196 | Guido Trotter |
|
1078 | 648e4196 | Guido Trotter | """
|
1079 | 648e4196 | Guido Trotter | if uuid not in self._config_data.nodegroups: |
1080 | 648e4196 | Guido Trotter | return None |
1081 | 648e4196 | Guido Trotter | |
1082 | 648e4196 | Guido Trotter | return self._config_data.nodegroups[uuid] |
1083 | 648e4196 | Guido Trotter | |
1084 | 648e4196 | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1085 | 5768e6a6 | René Nussbaumer | def GetNodeGroup(self, uuid): |
1086 | 5768e6a6 | René Nussbaumer | """Lookup a node group.
|
1087 | 5768e6a6 | René Nussbaumer |
|
1088 | 5768e6a6 | René Nussbaumer | @type uuid: string
|
1089 | 5768e6a6 | René Nussbaumer | @param uuid: group UUID
|
1090 | 5768e6a6 | René Nussbaumer | @rtype: L{objects.NodeGroup} or None
|
1091 | 5768e6a6 | René Nussbaumer | @return: nodegroup object, or None if not found
|
1092 | 5768e6a6 | René Nussbaumer |
|
1093 | 5768e6a6 | René Nussbaumer | """
|
1094 | 5768e6a6 | René Nussbaumer | return self._UnlockedGetNodeGroup(uuid) |
1095 | 5768e6a6 | René Nussbaumer | |
1096 | 5768e6a6 | René Nussbaumer | @locking.ssynchronized(_config_lock, shared=1) |
1097 | 622444e5 | Iustin Pop | def GetAllNodeGroupsInfo(self): |
1098 | 622444e5 | Iustin Pop | """Get the configuration of all node groups.
|
1099 | 622444e5 | Iustin Pop |
|
1100 | 622444e5 | Iustin Pop | """
|
1101 | 622444e5 | Iustin Pop | return dict(self._config_data.nodegroups) |
1102 | 622444e5 | Iustin Pop | |
1103 | 1ac6f2ad | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1104 | 1ac6f2ad | Guido Trotter | def GetNodeGroupList(self): |
1105 | 1ac6f2ad | Guido Trotter | """Get a list of node groups.
|
1106 | 1ac6f2ad | Guido Trotter |
|
1107 | 1ac6f2ad | Guido Trotter | """
|
1108 | 1ac6f2ad | Guido Trotter | return self._config_data.nodegroups.keys() |
1109 | 1ac6f2ad | Guido Trotter | |
1110 | dac81741 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1111 | dac81741 | Michael Hanselmann | def GetNodeGroupMembersByNodes(self, nodes): |
1112 | dac81741 | Michael Hanselmann | """Get nodes which are member in the same nodegroups as the given nodes.
|
1113 | dac81741 | Michael Hanselmann |
|
1114 | dac81741 | Michael Hanselmann | """
|
1115 | dac81741 | Michael Hanselmann | ngfn = lambda node_name: self._UnlockedGetNodeInfo(node_name).group |
1116 | dac81741 | Michael Hanselmann | return frozenset(member_name |
1117 | dac81741 | Michael Hanselmann | for node_name in nodes |
1118 | dac81741 | Michael Hanselmann | for member_name in |
1119 | dac81741 | Michael Hanselmann | self._UnlockedGetNodeGroup(ngfn(node_name)).members)
|
1120 | dac81741 | Michael Hanselmann | |
1121 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1122 | 0debfb35 | Guido Trotter | def AddInstance(self, instance, ec_id): |
1123 | a8083063 | Iustin Pop | """Add an instance to the config.
|
1124 | a8083063 | Iustin Pop |
|
1125 | a8083063 | Iustin Pop | This should be used after creating a new instance.
|
1126 | a8083063 | Iustin Pop |
|
1127 | c41eea6e | Iustin Pop | @type instance: L{objects.Instance}
|
1128 | c41eea6e | Iustin Pop | @param instance: the instance object
|
1129 | c41eea6e | Iustin Pop |
|
1130 | a8083063 | Iustin Pop | """
|
1131 | a8083063 | Iustin Pop | if not isinstance(instance, objects.Instance): |
1132 | a8083063 | Iustin Pop | raise errors.ProgrammerError("Invalid type passed to AddInstance") |
1133 | a8083063 | Iustin Pop | |
1134 | e00fb268 | Iustin Pop | if instance.disk_template != constants.DT_DISKLESS:
|
1135 | e00fb268 | Iustin Pop | all_lvs = instance.MapLVsByNode() |
1136 | 74a48621 | Iustin Pop | logging.info("Instance '%s' DISK_LAYOUT: %s", instance.name, all_lvs)
|
1137 | 923b1523 | Iustin Pop | |
1138 | e4640214 | Guido Trotter | all_macs = self._AllMACs()
|
1139 | e4640214 | Guido Trotter | for nic in instance.nics: |
1140 | e4640214 | Guido Trotter | if nic.mac in all_macs: |
1141 | e4640214 | Guido Trotter | raise errors.ConfigurationError("Cannot add instance %s:" |
1142 | 430b923c | Iustin Pop | " MAC address '%s' already in use." %
|
1143 | 430b923c | Iustin Pop | (instance.name, nic.mac)) |
1144 | 430b923c | Iustin Pop | |
1145 | 0debfb35 | Guido Trotter | self._EnsureUUID(instance, ec_id)
|
1146 | e4640214 | Guido Trotter | |
1147 | b989e85d | Iustin Pop | instance.serial_no = 1
|
1148 | d693c864 | Iustin Pop | instance.ctime = instance.mtime = time.time() |
1149 | a8083063 | Iustin Pop | self._config_data.instances[instance.name] = instance
|
1150 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1151 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(instance.name)
|
1152 | a8083063 | Iustin Pop | self._WriteConfig()
|
1153 | a8083063 | Iustin Pop | |
1154 | 0debfb35 | Guido Trotter | def _EnsureUUID(self, item, ec_id): |
1155 | 430b923c | Iustin Pop | """Ensures a given object has a valid UUID.
|
1156 | 430b923c | Iustin Pop |
|
1157 | 430b923c | Iustin Pop | @param item: the instance or node to be checked
|
1158 | 0debfb35 | Guido Trotter | @param ec_id: the execution context id for the uuid reservation
|
1159 | 430b923c | Iustin Pop |
|
1160 | 430b923c | Iustin Pop | """
|
1161 | 430b923c | Iustin Pop | if not item.uuid: |
1162 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(ec_id)
|
1163 | be0fc05d | Iustin Pop | elif item.uuid in self._AllIDs(include_temporary=True): |
1164 | be0fc05d | Iustin Pop | raise errors.ConfigurationError("Cannot add '%s': UUID %s already" |
1165 | be0fc05d | Iustin Pop | " in use" % (item.name, item.uuid))
|
1166 | 430b923c | Iustin Pop | |
1167 | 6a408fb2 | Iustin Pop | def _SetInstanceStatus(self, instance_name, status): |
1168 | 6a408fb2 | Iustin Pop | """Set the instance's status to a given value.
|
1169 | a8083063 | Iustin Pop |
|
1170 | a8083063 | Iustin Pop | """
|
1171 | 0d68c45d | Iustin Pop | assert isinstance(status, bool), \ |
1172 | 0d68c45d | Iustin Pop | "Invalid status '%s' passed to SetInstanceStatus" % (status,)
|
1173 | a8083063 | Iustin Pop | |
1174 | a8083063 | Iustin Pop | if instance_name not in self._config_data.instances: |
1175 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % |
1176 | 3ecf6786 | Iustin Pop | instance_name) |
1177 | a8083063 | Iustin Pop | instance = self._config_data.instances[instance_name]
|
1178 | 0d68c45d | Iustin Pop | if instance.admin_up != status:
|
1179 | 0d68c45d | Iustin Pop | instance.admin_up = status |
1180 | b989e85d | Iustin Pop | instance.serial_no += 1
|
1181 | d693c864 | Iustin Pop | instance.mtime = time.time() |
1182 | 455a3445 | Iustin Pop | self._WriteConfig()
|
1183 | a8083063 | Iustin Pop | |
1184 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1185 | 6a408fb2 | Iustin Pop | def MarkInstanceUp(self, instance_name): |
1186 | 6a408fb2 | Iustin Pop | """Mark the instance status to up in the config.
|
1187 | 6a408fb2 | Iustin Pop |
|
1188 | 6a408fb2 | Iustin Pop | """
|
1189 | 0d68c45d | Iustin Pop | self._SetInstanceStatus(instance_name, True) |
1190 | 6a408fb2 | Iustin Pop | |
1191 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1192 | a8083063 | Iustin Pop | def RemoveInstance(self, instance_name): |
1193 | a8083063 | Iustin Pop | """Remove the instance from the configuration.
|
1194 | a8083063 | Iustin Pop |
|
1195 | a8083063 | Iustin Pop | """
|
1196 | a8083063 | Iustin Pop | if instance_name not in self._config_data.instances: |
1197 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % instance_name) |
1198 | a8083063 | Iustin Pop | del self._config_data.instances[instance_name] |
1199 | 81a49123 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1200 | a8083063 | Iustin Pop | self._WriteConfig()
|
1201 | a8083063 | Iustin Pop | |
1202 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1203 | fc95f88f | Iustin Pop | def RenameInstance(self, old_name, new_name): |
1204 | fc95f88f | Iustin Pop | """Rename an instance.
|
1205 | fc95f88f | Iustin Pop |
|
1206 | fc95f88f | Iustin Pop | This needs to be done in ConfigWriter and not by RemoveInstance
|
1207 | fc95f88f | Iustin Pop | combined with AddInstance as only we can guarantee an atomic
|
1208 | fc95f88f | Iustin Pop | rename.
|
1209 | fc95f88f | Iustin Pop |
|
1210 | fc95f88f | Iustin Pop | """
|
1211 | fc95f88f | Iustin Pop | if old_name not in self._config_data.instances: |
1212 | fc95f88f | Iustin Pop | raise errors.ConfigurationError("Unknown instance '%s'" % old_name) |
1213 | fc95f88f | Iustin Pop | inst = self._config_data.instances[old_name]
|
1214 | fc95f88f | Iustin Pop | del self._config_data.instances[old_name] |
1215 | fc95f88f | Iustin Pop | inst.name = new_name |
1216 | b23c4333 | Manuel Franceschini | |
1217 | b23c4333 | Manuel Franceschini | for disk in inst.disks: |
1218 | b23c4333 | Manuel Franceschini | if disk.dev_type == constants.LD_FILE:
|
1219 | b23c4333 | Manuel Franceschini | # rename the file paths in logical and physical id
|
1220 | b23c4333 | Manuel Franceschini | file_storage_dir = os.path.dirname(os.path.dirname(disk.logical_id[1]))
|
1221 | 3721d2fe | Guido Trotter | disk_fname = "disk%s" % disk.iv_name.split("/")[1] |
1222 | b23c4333 | Manuel Franceschini | disk.physical_id = disk.logical_id = (disk.logical_id[0],
|
1223 | c4feafe8 | Iustin Pop | utils.PathJoin(file_storage_dir, |
1224 | c4feafe8 | Iustin Pop | inst.name, |
1225 | 3721d2fe | Guido Trotter | disk_fname)) |
1226 | b23c4333 | Manuel Franceschini | |
1227 | 1fc34c48 | Michael Hanselmann | # Force update of ssconf files
|
1228 | 1fc34c48 | Michael Hanselmann | self._config_data.cluster.serial_no += 1 |
1229 | 1fc34c48 | Michael Hanselmann | |
1230 | fc95f88f | Iustin Pop | self._config_data.instances[inst.name] = inst
|
1231 | fc95f88f | Iustin Pop | self._WriteConfig()
|
1232 | fc95f88f | Iustin Pop | |
1233 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1234 | a8083063 | Iustin Pop | def MarkInstanceDown(self, instance_name): |
1235 | a8083063 | Iustin Pop | """Mark the status of an instance to down in the configuration.
|
1236 | a8083063 | Iustin Pop |
|
1237 | a8083063 | Iustin Pop | """
|
1238 | 0d68c45d | Iustin Pop | self._SetInstanceStatus(instance_name, False) |
1239 | a8083063 | Iustin Pop | |
1240 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceList(self): |
1241 | 94bbfece | Iustin Pop | """Get the list of instances.
|
1242 | 94bbfece | Iustin Pop |
|
1243 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1244 | 94bbfece | Iustin Pop |
|
1245 | 94bbfece | Iustin Pop | """
|
1246 | 94bbfece | Iustin Pop | return self._config_data.instances.keys() |
1247 | 94bbfece | Iustin Pop | |
1248 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1249 | a8083063 | Iustin Pop | def GetInstanceList(self): |
1250 | a8083063 | Iustin Pop | """Get the list of instances.
|
1251 | a8083063 | Iustin Pop |
|
1252 | c41eea6e | Iustin Pop | @return: array of instances, ex. ['instance2.example.com',
|
1253 | c41eea6e | Iustin Pop | 'instance1.example.com']
|
1254 | a8083063 | Iustin Pop |
|
1255 | a8083063 | Iustin Pop | """
|
1256 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceList() |
1257 | a8083063 | Iustin Pop | |
1258 | a8083063 | Iustin Pop | def ExpandInstanceName(self, short_name): |
1259 | a8083063 | Iustin Pop | """Attempt to expand an incomplete instance name.
|
1260 | a8083063 | Iustin Pop |
|
1261 | a8083063 | Iustin Pop | """
|
1262 | fe698b38 | Michael Hanselmann | # Locking is done in L{ConfigWriter.GetInstanceList}
|
1263 | fe698b38 | Michael Hanselmann | return _MatchNameComponentIgnoreCase(short_name, self.GetInstanceList()) |
1264 | a8083063 | Iustin Pop | |
1265 | 94bbfece | Iustin Pop | def _UnlockedGetInstanceInfo(self, instance_name): |
1266 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1267 | 94bbfece | Iustin Pop |
|
1268 | 94bbfece | Iustin Pop | This function is for internal use, when the config lock is already held.
|
1269 | 94bbfece | Iustin Pop |
|
1270 | 94bbfece | Iustin Pop | """
|
1271 | 94bbfece | Iustin Pop | if instance_name not in self._config_data.instances: |
1272 | 94bbfece | Iustin Pop | return None |
1273 | 94bbfece | Iustin Pop | |
1274 | 94bbfece | Iustin Pop | return self._config_data.instances[instance_name] |
1275 | 94bbfece | Iustin Pop | |
1276 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1277 | a8083063 | Iustin Pop | def GetInstanceInfo(self, instance_name): |
1278 | 5bbd3f7f | Michael Hanselmann | """Returns information about an instance.
|
1279 | a8083063 | Iustin Pop |
|
1280 | 5bbd3f7f | Michael Hanselmann | It takes the information from the configuration file. Other information of
|
1281 | a8083063 | Iustin Pop | an instance are taken from the live systems.
|
1282 | a8083063 | Iustin Pop |
|
1283 | c41eea6e | Iustin Pop | @param instance_name: name of the instance, e.g.
|
1284 | c41eea6e | Iustin Pop | I{instance1.example.com}
|
1285 | a8083063 | Iustin Pop |
|
1286 | c41eea6e | Iustin Pop | @rtype: L{objects.Instance}
|
1287 | c41eea6e | Iustin Pop | @return: the instance object
|
1288 | a8083063 | Iustin Pop |
|
1289 | a8083063 | Iustin Pop | """
|
1290 | 94bbfece | Iustin Pop | return self._UnlockedGetInstanceInfo(instance_name) |
1291 | a8083063 | Iustin Pop | |
1292 | 0b2de758 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1293 | 2674690b | Michael Hanselmann | def GetInstanceNodeGroups(self, instance_name, primary_only=False): |
1294 | 2674690b | Michael Hanselmann | """Returns set of node group UUIDs for instance's nodes.
|
1295 | 2674690b | Michael Hanselmann |
|
1296 | 2674690b | Michael Hanselmann | @rtype: frozenset
|
1297 | 2674690b | Michael Hanselmann |
|
1298 | 2674690b | Michael Hanselmann | """
|
1299 | 2674690b | Michael Hanselmann | instance = self._UnlockedGetInstanceInfo(instance_name)
|
1300 | 2674690b | Michael Hanselmann | if not instance: |
1301 | 2674690b | Michael Hanselmann | raise errors.ConfigurationError("Unknown instance '%s'" % instance_name) |
1302 | 2674690b | Michael Hanselmann | |
1303 | 2674690b | Michael Hanselmann | if primary_only:
|
1304 | 2674690b | Michael Hanselmann | nodes = [instance.primary_node] |
1305 | 2674690b | Michael Hanselmann | else:
|
1306 | 2674690b | Michael Hanselmann | nodes = instance.all_nodes |
1307 | 2674690b | Michael Hanselmann | |
1308 | 2674690b | Michael Hanselmann | return frozenset(self._UnlockedGetNodeInfo(node_name).group |
1309 | 2674690b | Michael Hanselmann | for node_name in nodes) |
1310 | 2674690b | Michael Hanselmann | |
1311 | 2674690b | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1312 | 71333cb9 | Iustin Pop | def GetMultiInstanceInfo(self, instances): |
1313 | 71333cb9 | Iustin Pop | """Get the configuration of multiple instances.
|
1314 | 71333cb9 | Iustin Pop |
|
1315 | 71333cb9 | Iustin Pop | @param instances: list of instance names
|
1316 | 71333cb9 | Iustin Pop | @rtype: list
|
1317 | 71333cb9 | Iustin Pop | @return: list of tuples (instance, instance_info), where
|
1318 | 71333cb9 | Iustin Pop | instance_info is what would GetInstanceInfo return for the
|
1319 | 71333cb9 | Iustin Pop | node, while keeping the original order
|
1320 | 71333cb9 | Iustin Pop |
|
1321 | 71333cb9 | Iustin Pop | """
|
1322 | 71333cb9 | Iustin Pop | return [(name, self._UnlockedGetInstanceInfo(name)) for name in instances] |
1323 | 71333cb9 | Iustin Pop | |
1324 | 71333cb9 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1325 | 0b2de758 | Iustin Pop | def GetAllInstancesInfo(self): |
1326 | 0b2de758 | Iustin Pop | """Get the configuration of all instances.
|
1327 | 0b2de758 | Iustin Pop |
|
1328 | 0b2de758 | Iustin Pop | @rtype: dict
|
1329 | 5fcc718f | Iustin Pop | @return: dict of (instance, instance_info), where instance_info is what
|
1330 | 0b2de758 | Iustin Pop | would GetInstanceInfo return for the node
|
1331 | 0b2de758 | Iustin Pop |
|
1332 | 0b2de758 | Iustin Pop | """
|
1333 | 64d3bd52 | Guido Trotter | my_dict = dict([(instance, self._UnlockedGetInstanceInfo(instance)) |
1334 | 64d3bd52 | Guido Trotter | for instance in self._UnlockedGetInstanceList()]) |
1335 | 0b2de758 | Iustin Pop | return my_dict
|
1336 | 0b2de758 | Iustin Pop | |
1337 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1338 | 0debfb35 | Guido Trotter | def AddNode(self, node, ec_id): |
1339 | a8083063 | Iustin Pop | """Add a node to the configuration.
|
1340 | a8083063 | Iustin Pop |
|
1341 | c41eea6e | Iustin Pop | @type node: L{objects.Node}
|
1342 | c41eea6e | Iustin Pop | @param node: a Node instance
|
1343 | a8083063 | Iustin Pop |
|
1344 | a8083063 | Iustin Pop | """
|
1345 | 099c52ad | Iustin Pop | logging.info("Adding node %s to configuration", node.name)
|
1346 | d8470559 | Michael Hanselmann | |
1347 | 0debfb35 | Guido Trotter | self._EnsureUUID(node, ec_id)
|
1348 | 430b923c | Iustin Pop | |
1349 | b989e85d | Iustin Pop | node.serial_no = 1
|
1350 | d693c864 | Iustin Pop | node.ctime = node.mtime = time.time() |
1351 | f936c153 | Iustin Pop | self._UnlockedAddNodeToGroup(node.name, node.group)
|
1352 | a8083063 | Iustin Pop | self._config_data.nodes[node.name] = node
|
1353 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1354 | a8083063 | Iustin Pop | self._WriteConfig()
|
1355 | a8083063 | Iustin Pop | |
1356 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1357 | a8083063 | Iustin Pop | def RemoveNode(self, node_name): |
1358 | a8083063 | Iustin Pop | """Remove a node from the configuration.
|
1359 | a8083063 | Iustin Pop |
|
1360 | a8083063 | Iustin Pop | """
|
1361 | 099c52ad | Iustin Pop | logging.info("Removing node %s from configuration", node_name)
|
1362 | d8470559 | Michael Hanselmann | |
1363 | a8083063 | Iustin Pop | if node_name not in self._config_data.nodes: |
1364 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Unknown node '%s'" % node_name) |
1365 | a8083063 | Iustin Pop | |
1366 | 190e3cb6 | Guido Trotter | self._UnlockedRemoveNodeFromGroup(self._config_data.nodes[node_name]) |
1367 | a8083063 | Iustin Pop | del self._config_data.nodes[node_name] |
1368 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1369 | a8083063 | Iustin Pop | self._WriteConfig()
|
1370 | a8083063 | Iustin Pop | |
1371 | a8083063 | Iustin Pop | def ExpandNodeName(self, short_name): |
1372 | fe698b38 | Michael Hanselmann | """Attempt to expand an incomplete node name.
|
1373 | a8083063 | Iustin Pop |
|
1374 | a8083063 | Iustin Pop | """
|
1375 | fe698b38 | Michael Hanselmann | # Locking is done in L{ConfigWriter.GetNodeList}
|
1376 | fe698b38 | Michael Hanselmann | return _MatchNameComponentIgnoreCase(short_name, self.GetNodeList()) |
1377 | a8083063 | Iustin Pop | |
1378 | f78ede4e | Guido Trotter | def _UnlockedGetNodeInfo(self, node_name): |
1379 | a8083063 | Iustin Pop | """Get the configuration of a node, as stored in the config.
|
1380 | a8083063 | Iustin Pop |
|
1381 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1382 | c41eea6e | Iustin Pop | held.
|
1383 | f78ede4e | Guido Trotter |
|
1384 | c41eea6e | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1385 | a8083063 | Iustin Pop |
|
1386 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1387 | c41eea6e | Iustin Pop | @return: the node object
|
1388 | a8083063 | Iustin Pop |
|
1389 | a8083063 | Iustin Pop | """
|
1390 | a8083063 | Iustin Pop | if node_name not in self._config_data.nodes: |
1391 | a8083063 | Iustin Pop | return None |
1392 | a8083063 | Iustin Pop | |
1393 | a8083063 | Iustin Pop | return self._config_data.nodes[node_name] |
1394 | a8083063 | Iustin Pop | |
1395 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1396 | f78ede4e | Guido Trotter | def GetNodeInfo(self, node_name): |
1397 | f78ede4e | Guido Trotter | """Get the configuration of a node, as stored in the config.
|
1398 | f78ede4e | Guido Trotter |
|
1399 | c41eea6e | Iustin Pop | This is just a locked wrapper over L{_UnlockedGetNodeInfo}.
|
1400 | f78ede4e | Guido Trotter |
|
1401 | c41eea6e | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1402 | c41eea6e | Iustin Pop |
|
1403 | c41eea6e | Iustin Pop | @rtype: L{objects.Node}
|
1404 | c41eea6e | Iustin Pop | @return: the node object
|
1405 | f78ede4e | Guido Trotter |
|
1406 | f78ede4e | Guido Trotter | """
|
1407 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeInfo(node_name) |
1408 | f78ede4e | Guido Trotter | |
1409 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1410 | 8bf9e9a5 | Iustin Pop | def GetNodeInstances(self, node_name): |
1411 | 8bf9e9a5 | Iustin Pop | """Get the instances of a node, as stored in the config.
|
1412 | 8bf9e9a5 | Iustin Pop |
|
1413 | 8bf9e9a5 | Iustin Pop | @param node_name: the node name, e.g. I{node1.example.com}
|
1414 | 8bf9e9a5 | Iustin Pop |
|
1415 | 8bf9e9a5 | Iustin Pop | @rtype: (list, list)
|
1416 | 8bf9e9a5 | Iustin Pop | @return: a tuple with two lists: the primary and the secondary instances
|
1417 | 8bf9e9a5 | Iustin Pop |
|
1418 | 8bf9e9a5 | Iustin Pop | """
|
1419 | 8bf9e9a5 | Iustin Pop | pri = [] |
1420 | 8bf9e9a5 | Iustin Pop | sec = [] |
1421 | 8bf9e9a5 | Iustin Pop | for inst in self._config_data.instances.values(): |
1422 | 8bf9e9a5 | Iustin Pop | if inst.primary_node == node_name:
|
1423 | 8bf9e9a5 | Iustin Pop | pri.append(inst.name) |
1424 | 8bf9e9a5 | Iustin Pop | if node_name in inst.secondary_nodes: |
1425 | 8bf9e9a5 | Iustin Pop | sec.append(inst.name) |
1426 | 8bf9e9a5 | Iustin Pop | return (pri, sec)
|
1427 | 8bf9e9a5 | Iustin Pop | |
1428 | c71b049c | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1429 | c71b049c | Michael Hanselmann | def GetNodeGroupInstances(self, uuid, primary_only=False): |
1430 | c71b049c | Michael Hanselmann | """Get the instances of a node group.
|
1431 | c71b049c | Michael Hanselmann |
|
1432 | c71b049c | Michael Hanselmann | @param uuid: Node group UUID
|
1433 | c71b049c | Michael Hanselmann | @param primary_only: Whether to only consider primary nodes
|
1434 | c71b049c | Michael Hanselmann | @rtype: frozenset
|
1435 | c71b049c | Michael Hanselmann | @return: List of instance names in node group
|
1436 | c71b049c | Michael Hanselmann |
|
1437 | c71b049c | Michael Hanselmann | """
|
1438 | c71b049c | Michael Hanselmann | if primary_only:
|
1439 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: [inst.primary_node]
|
1440 | c71b049c | Michael Hanselmann | else:
|
1441 | c71b049c | Michael Hanselmann | nodes_fn = lambda inst: inst.all_nodes
|
1442 | c71b049c | Michael Hanselmann | |
1443 | c71b049c | Michael Hanselmann | return frozenset(inst.name |
1444 | c71b049c | Michael Hanselmann | for inst in self._config_data.instances.values() |
1445 | c71b049c | Michael Hanselmann | for node_name in nodes_fn(inst) |
1446 | c71b049c | Michael Hanselmann | if self._UnlockedGetNodeInfo(node_name).group == uuid) |
1447 | c71b049c | Michael Hanselmann | |
1448 | f78ede4e | Guido Trotter | def _UnlockedGetNodeList(self): |
1449 | a8083063 | Iustin Pop | """Return the list of nodes which are in the configuration.
|
1450 | a8083063 | Iustin Pop |
|
1451 | c41eea6e | Iustin Pop | This function is for internal use, when the config lock is already
|
1452 | c41eea6e | Iustin Pop | held.
|
1453 | c41eea6e | Iustin Pop |
|
1454 | c41eea6e | Iustin Pop | @rtype: list
|
1455 | f78ede4e | Guido Trotter |
|
1456 | a8083063 | Iustin Pop | """
|
1457 | a8083063 | Iustin Pop | return self._config_data.nodes.keys() |
1458 | a8083063 | Iustin Pop | |
1459 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1460 | f78ede4e | Guido Trotter | def GetNodeList(self): |
1461 | f78ede4e | Guido Trotter | """Return the list of nodes which are in the configuration.
|
1462 | f78ede4e | Guido Trotter |
|
1463 | f78ede4e | Guido Trotter | """
|
1464 | f78ede4e | Guido Trotter | return self._UnlockedGetNodeList() |
1465 | f78ede4e | Guido Trotter | |
1466 | 6819dc49 | Iustin Pop | def _UnlockedGetOnlineNodeList(self): |
1467 | 94a02bb5 | Iustin Pop | """Return the list of nodes which are online.
|
1468 | 94a02bb5 | Iustin Pop |
|
1469 | 94a02bb5 | Iustin Pop | """
|
1470 | 94a02bb5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1471 | 94a02bb5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1472 | 94a02bb5 | Iustin Pop | return [node.name for node in all_nodes if not node.offline] |
1473 | 94a02bb5 | Iustin Pop | |
1474 | 94a02bb5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1475 | 6819dc49 | Iustin Pop | def GetOnlineNodeList(self): |
1476 | 6819dc49 | Iustin Pop | """Return the list of nodes which are online.
|
1477 | 6819dc49 | Iustin Pop |
|
1478 | 6819dc49 | Iustin Pop | """
|
1479 | 6819dc49 | Iustin Pop | return self._UnlockedGetOnlineNodeList() |
1480 | 6819dc49 | Iustin Pop | |
1481 | 6819dc49 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1482 | 075b62ca | Iustin Pop | def GetVmCapableNodeList(self): |
1483 | 075b62ca | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1484 | 075b62ca | Iustin Pop |
|
1485 | 075b62ca | Iustin Pop | """
|
1486 | 075b62ca | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1487 | 075b62ca | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1488 | 075b62ca | Iustin Pop | return [node.name for node in all_nodes if node.vm_capable] |
1489 | 075b62ca | Iustin Pop | |
1490 | 075b62ca | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1491 | 8bf9e9a5 | Iustin Pop | def GetNonVmCapableNodeList(self): |
1492 | 8bf9e9a5 | Iustin Pop | """Return the list of nodes which are not vm capable.
|
1493 | 8bf9e9a5 | Iustin Pop |
|
1494 | 8bf9e9a5 | Iustin Pop | """
|
1495 | 8bf9e9a5 | Iustin Pop | all_nodes = [self._UnlockedGetNodeInfo(node)
|
1496 | 8bf9e9a5 | Iustin Pop | for node in self._UnlockedGetNodeList()] |
1497 | 8bf9e9a5 | Iustin Pop | return [node.name for node in all_nodes if not node.vm_capable] |
1498 | 8bf9e9a5 | Iustin Pop | |
1499 | 8bf9e9a5 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1500 | f5eaa3c1 | Iustin Pop | def GetMultiNodeInfo(self, nodes): |
1501 | f5eaa3c1 | Iustin Pop | """Get the configuration of multiple nodes.
|
1502 | f5eaa3c1 | Iustin Pop |
|
1503 | f5eaa3c1 | Iustin Pop | @param nodes: list of node names
|
1504 | f5eaa3c1 | Iustin Pop | @rtype: list
|
1505 | f5eaa3c1 | Iustin Pop | @return: list of tuples of (node, node_info), where node_info is
|
1506 | f5eaa3c1 | Iustin Pop | what would GetNodeInfo return for the node, in the original
|
1507 | f5eaa3c1 | Iustin Pop | order
|
1508 | f5eaa3c1 | Iustin Pop |
|
1509 | f5eaa3c1 | Iustin Pop | """
|
1510 | f5eaa3c1 | Iustin Pop | return [(name, self._UnlockedGetNodeInfo(name)) for name in nodes] |
1511 | f5eaa3c1 | Iustin Pop | |
1512 | f5eaa3c1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1513 | d65e5776 | Iustin Pop | def GetAllNodesInfo(self): |
1514 | d65e5776 | Iustin Pop | """Get the configuration of all nodes.
|
1515 | d65e5776 | Iustin Pop |
|
1516 | d65e5776 | Iustin Pop | @rtype: dict
|
1517 | ec0292f1 | Iustin Pop | @return: dict of (node, node_info), where node_info is what
|
1518 | d65e5776 | Iustin Pop | would GetNodeInfo return for the node
|
1519 | d65e5776 | Iustin Pop |
|
1520 | d65e5776 | Iustin Pop | """
|
1521 | ee14d800 | Michael Hanselmann | return self._UnlockedGetAllNodesInfo() |
1522 | ee14d800 | Michael Hanselmann | |
1523 | ee14d800 | Michael Hanselmann | def _UnlockedGetAllNodesInfo(self): |
1524 | ee14d800 | Michael Hanselmann | """Gets configuration of all nodes.
|
1525 | ee14d800 | Michael Hanselmann |
|
1526 | ee14d800 | Michael Hanselmann | @note: See L{GetAllNodesInfo}
|
1527 | ee14d800 | Michael Hanselmann |
|
1528 | ee14d800 | Michael Hanselmann | """
|
1529 | ee14d800 | Michael Hanselmann | return dict([(node, self._UnlockedGetNodeInfo(node)) |
1530 | ee14d800 | Michael Hanselmann | for node in self._UnlockedGetNodeList()]) |
1531 | d65e5776 | Iustin Pop | |
1532 | 9d5b1371 | Michael Hanselmann | @locking.ssynchronized(_config_lock, shared=1) |
1533 | 9d5b1371 | Michael Hanselmann | def GetNodeGroupsFromNodes(self, nodes): |
1534 | 9d5b1371 | Michael Hanselmann | """Returns groups for a list of nodes.
|
1535 | 9d5b1371 | Michael Hanselmann |
|
1536 | 9d5b1371 | Michael Hanselmann | @type nodes: list of string
|
1537 | 9d5b1371 | Michael Hanselmann | @param nodes: List of node names
|
1538 | 9d5b1371 | Michael Hanselmann | @rtype: frozenset
|
1539 | 9d5b1371 | Michael Hanselmann |
|
1540 | 9d5b1371 | Michael Hanselmann | """
|
1541 | 9d5b1371 | Michael Hanselmann | return frozenset(self._UnlockedGetNodeInfo(name).group for name in nodes) |
1542 | 9d5b1371 | Michael Hanselmann | |
1543 | 23f06b2b | Iustin Pop | def _UnlockedGetMasterCandidateStats(self, exceptions=None): |
1544 | ec0292f1 | Iustin Pop | """Get the number of current and maximum desired and possible candidates.
|
1545 | ec0292f1 | Iustin Pop |
|
1546 | 23f06b2b | Iustin Pop | @type exceptions: list
|
1547 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
1548 | ec0292f1 | Iustin Pop | @rtype: tuple
|
1549 | e623dbe3 | Guido Trotter | @return: tuple of (current, desired and possible, possible)
|
1550 | ec0292f1 | Iustin Pop |
|
1551 | ec0292f1 | Iustin Pop | """
|
1552 | e623dbe3 | Guido Trotter | mc_now = mc_should = mc_max = 0
|
1553 | 23f06b2b | Iustin Pop | for node in self._config_data.nodes.values(): |
1554 | 23f06b2b | Iustin Pop | if exceptions and node.name in exceptions: |
1555 | 23f06b2b | Iustin Pop | continue
|
1556 | 490acd18 | Iustin Pop | if not (node.offline or node.drained) and node.master_capable: |
1557 | ec0292f1 | Iustin Pop | mc_max += 1
|
1558 | ec0292f1 | Iustin Pop | if node.master_candidate:
|
1559 | ec0292f1 | Iustin Pop | mc_now += 1
|
1560 | e623dbe3 | Guido Trotter | mc_should = min(mc_max, self._config_data.cluster.candidate_pool_size) |
1561 | e623dbe3 | Guido Trotter | return (mc_now, mc_should, mc_max)
|
1562 | ec0292f1 | Iustin Pop | |
1563 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock, shared=1) |
1564 | 23f06b2b | Iustin Pop | def GetMasterCandidateStats(self, exceptions=None): |
1565 | ec0292f1 | Iustin Pop | """Get the number of current and maximum possible candidates.
|
1566 | ec0292f1 | Iustin Pop |
|
1567 | ec0292f1 | Iustin Pop | This is just a wrapper over L{_UnlockedGetMasterCandidateStats}.
|
1568 | ec0292f1 | Iustin Pop |
|
1569 | 23f06b2b | Iustin Pop | @type exceptions: list
|
1570 | 23f06b2b | Iustin Pop | @param exceptions: if passed, list of nodes that should be ignored
|
1571 | ec0292f1 | Iustin Pop | @rtype: tuple
|
1572 | ec0292f1 | Iustin Pop | @return: tuple of (current, max)
|
1573 | ec0292f1 | Iustin Pop |
|
1574 | ec0292f1 | Iustin Pop | """
|
1575 | 23f06b2b | Iustin Pop | return self._UnlockedGetMasterCandidateStats(exceptions) |
1576 | ec0292f1 | Iustin Pop | |
1577 | ec0292f1 | Iustin Pop | @locking.ssynchronized(_config_lock)
|
1578 | 44485f49 | Guido Trotter | def MaintainCandidatePool(self, exceptions): |
1579 | ec0292f1 | Iustin Pop | """Try to grow the candidate pool to the desired size.
|
1580 | ec0292f1 | Iustin Pop |
|
1581 | 44485f49 | Guido Trotter | @type exceptions: list
|
1582 | 44485f49 | Guido Trotter | @param exceptions: if passed, list of nodes that should be ignored
|
1583 | ec0292f1 | Iustin Pop | @rtype: list
|
1584 | ee513a66 | Iustin Pop | @return: list with the adjusted nodes (L{objects.Node} instances)
|
1585 | ec0292f1 | Iustin Pop |
|
1586 | ec0292f1 | Iustin Pop | """
|
1587 | 44485f49 | Guido Trotter | mc_now, mc_max, _ = self._UnlockedGetMasterCandidateStats(exceptions)
|
1588 | ec0292f1 | Iustin Pop | mod_list = [] |
1589 | ec0292f1 | Iustin Pop | if mc_now < mc_max:
|
1590 | ec0292f1 | Iustin Pop | node_list = self._config_data.nodes.keys()
|
1591 | ec0292f1 | Iustin Pop | random.shuffle(node_list) |
1592 | ec0292f1 | Iustin Pop | for name in node_list: |
1593 | ec0292f1 | Iustin Pop | if mc_now >= mc_max:
|
1594 | ec0292f1 | Iustin Pop | break
|
1595 | ec0292f1 | Iustin Pop | node = self._config_data.nodes[name]
|
1596 | 44485f49 | Guido Trotter | if (node.master_candidate or node.offline or node.drained or |
1597 | 490acd18 | Iustin Pop | node.name in exceptions or not node.master_capable): |
1598 | ec0292f1 | Iustin Pop | continue
|
1599 | ee513a66 | Iustin Pop | mod_list.append(node) |
1600 | ec0292f1 | Iustin Pop | node.master_candidate = True
|
1601 | ec0292f1 | Iustin Pop | node.serial_no += 1
|
1602 | ec0292f1 | Iustin Pop | mc_now += 1
|
1603 | ec0292f1 | Iustin Pop | if mc_now != mc_max:
|
1604 | ec0292f1 | Iustin Pop | # this should not happen
|
1605 | ec0292f1 | Iustin Pop | logging.warning("Warning: MaintainCandidatePool didn't manage to"
|
1606 | ec0292f1 | Iustin Pop | " fill the candidate pool (%d/%d)", mc_now, mc_max)
|
1607 | ec0292f1 | Iustin Pop | if mod_list:
|
1608 | ec0292f1 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1609 | ec0292f1 | Iustin Pop | self._WriteConfig()
|
1610 | ec0292f1 | Iustin Pop | |
1611 | ec0292f1 | Iustin Pop | return mod_list
|
1612 | ec0292f1 | Iustin Pop | |
1613 | 190e3cb6 | Guido Trotter | def _UnlockedAddNodeToGroup(self, node_name, nodegroup_uuid): |
1614 | 190e3cb6 | Guido Trotter | """Add a given node to the specified group.
|
1615 | 190e3cb6 | Guido Trotter |
|
1616 | 190e3cb6 | Guido Trotter | """
|
1617 | 190e3cb6 | Guido Trotter | if nodegroup_uuid not in self._config_data.nodegroups: |
1618 | 190e3cb6 | Guido Trotter | # This can happen if a node group gets deleted between its lookup and
|
1619 | 190e3cb6 | Guido Trotter | # when we're adding the first node to it, since we don't keep a lock in
|
1620 | 190e3cb6 | Guido Trotter | # the meantime. It's ok though, as we'll fail cleanly if the node group
|
1621 | 190e3cb6 | Guido Trotter | # is not found anymore.
|
1622 | f936c153 | Iustin Pop | raise errors.OpExecError("Unknown node group: %s" % nodegroup_uuid) |
1623 | 190e3cb6 | Guido Trotter | if node_name not in self._config_data.nodegroups[nodegroup_uuid].members: |
1624 | 190e3cb6 | Guido Trotter | self._config_data.nodegroups[nodegroup_uuid].members.append(node_name)
|
1625 | 190e3cb6 | Guido Trotter | |
1626 | 190e3cb6 | Guido Trotter | def _UnlockedRemoveNodeFromGroup(self, node): |
1627 | 190e3cb6 | Guido Trotter | """Remove a given node from its group.
|
1628 | 190e3cb6 | Guido Trotter |
|
1629 | 190e3cb6 | Guido Trotter | """
|
1630 | f936c153 | Iustin Pop | nodegroup = node.group |
1631 | 190e3cb6 | Guido Trotter | if nodegroup not in self._config_data.nodegroups: |
1632 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' has unknown node group '%s'"
|
1633 | 190e3cb6 | Guido Trotter | " (while being removed from it)", node.name, nodegroup)
|
1634 | 190e3cb6 | Guido Trotter | nodegroup_obj = self._config_data.nodegroups[nodegroup]
|
1635 | 190e3cb6 | Guido Trotter | if node.name not in nodegroup_obj.members: |
1636 | f936c153 | Iustin Pop | logging.warning("Warning: node '%s' not a member of its node group '%s'"
|
1637 | 190e3cb6 | Guido Trotter | " (while being removed from it)", node.name, nodegroup)
|
1638 | 190e3cb6 | Guido Trotter | else:
|
1639 | 190e3cb6 | Guido Trotter | nodegroup_obj.members.remove(node.name) |
1640 | 190e3cb6 | Guido Trotter | |
1641 | a8083063 | Iustin Pop | def _BumpSerialNo(self): |
1642 | a8083063 | Iustin Pop | """Bump up the serial number of the config.
|
1643 | a8083063 | Iustin Pop |
|
1644 | a8083063 | Iustin Pop | """
|
1645 | 9d38c6e1 | Iustin Pop | self._config_data.serial_no += 1 |
1646 | d693c864 | Iustin Pop | self._config_data.mtime = time.time()
|
1647 | a8083063 | Iustin Pop | |
1648 | 76d5d3a3 | Iustin Pop | def _AllUUIDObjects(self): |
1649 | 76d5d3a3 | Iustin Pop | """Returns all objects with uuid attributes.
|
1650 | 76d5d3a3 | Iustin Pop |
|
1651 | 76d5d3a3 | Iustin Pop | """
|
1652 | 76d5d3a3 | Iustin Pop | return (self._config_data.instances.values() + |
1653 | 76d5d3a3 | Iustin Pop | self._config_data.nodes.values() +
|
1654 | 3df43542 | Guido Trotter | self._config_data.nodegroups.values() +
|
1655 | 76d5d3a3 | Iustin Pop | [self._config_data.cluster])
|
1656 | 76d5d3a3 | Iustin Pop | |
1657 | eb180fe2 | Iustin Pop | def _OpenConfig(self, accept_foreign): |
1658 | a8083063 | Iustin Pop | """Read the config data from disk.
|
1659 | a8083063 | Iustin Pop |
|
1660 | a8083063 | Iustin Pop | """
|
1661 | 13998ef2 | Michael Hanselmann | raw_data = utils.ReadFile(self._cfg_file)
|
1662 | 13998ef2 | Michael Hanselmann | |
1663 | a8083063 | Iustin Pop | try:
|
1664 | 13998ef2 | Michael Hanselmann | data = objects.ConfigData.FromDict(serializer.Load(raw_data)) |
1665 | 13998ef2 | Michael Hanselmann | except Exception, err: |
1666 | 13998ef2 | Michael Hanselmann | raise errors.ConfigurationError(err)
|
1667 | 5b263ed7 | Michael Hanselmann | |
1668 | 5b263ed7 | Michael Hanselmann | # Make sure the configuration has the right version
|
1669 | 5b263ed7 | Michael Hanselmann | _ValidateConfig(data) |
1670 | 5b263ed7 | Michael Hanselmann | |
1671 | a8083063 | Iustin Pop | if (not hasattr(data, 'cluster') or |
1672 | 243cdbcc | Michael Hanselmann | not hasattr(data.cluster, 'rsahostkeypub')): |
1673 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Incomplete configuration" |
1674 | 243cdbcc | Michael Hanselmann | " (missing cluster.rsahostkeypub)")
|
1675 | 90d726a8 | Iustin Pop | |
1676 | eb180fe2 | Iustin Pop | if data.cluster.master_node != self._my_hostname and not accept_foreign: |
1677 | eb180fe2 | Iustin Pop | msg = ("The configuration denotes node %s as master, while my"
|
1678 | eb180fe2 | Iustin Pop | " hostname is %s; opening a foreign configuration is only"
|
1679 | eb180fe2 | Iustin Pop | " possible in accept_foreign mode" %
|
1680 | eb180fe2 | Iustin Pop | (data.cluster.master_node, self._my_hostname))
|
1681 | eb180fe2 | Iustin Pop | raise errors.ConfigurationError(msg)
|
1682 | eb180fe2 | Iustin Pop | |
1683 | 90d726a8 | Iustin Pop | # Upgrade configuration if needed
|
1684 | 90d726a8 | Iustin Pop | data.UpgradeConfig() |
1685 | 90d726a8 | Iustin Pop | |
1686 | a8083063 | Iustin Pop | self._config_data = data
|
1687 | 3c7f6c44 | Iustin Pop | # reset the last serial as -1 so that the next write will cause
|
1688 | 0779e3aa | Iustin Pop | # ssconf update
|
1689 | 0779e3aa | Iustin Pop | self._last_cluster_serial = -1 |
1690 | a8083063 | Iustin Pop | |
1691 | 76d5d3a3 | Iustin Pop | # And finally run our (custom) config upgrade sequence
|
1692 | 76d5d3a3 | Iustin Pop | self._UpgradeConfig()
|
1693 | 76d5d3a3 | Iustin Pop | |
1694 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(path=self._cfg_file) |
1695 | bd407597 | Iustin Pop | |
1696 | 76d5d3a3 | Iustin Pop | def _UpgradeConfig(self): |
1697 | 76d5d3a3 | Iustin Pop | """Run upgrade steps that cannot be done purely in the objects.
|
1698 | 76d5d3a3 | Iustin Pop |
|
1699 | 76d5d3a3 | Iustin Pop | This is because some data elements need uniqueness across the
|
1700 | 76d5d3a3 | Iustin Pop | whole configuration, etc.
|
1701 | 76d5d3a3 | Iustin Pop |
|
1702 | 111c4e2f | Guido Trotter | @warning: this function will call L{_WriteConfig()}, but also
|
1703 | 111c4e2f | Guido Trotter | L{DropECReservations} so it needs to be called only from a
|
1704 | 111c4e2f | Guido Trotter | "safe" place (the constructor). If one wanted to call it with
|
1705 | 111c4e2f | Guido Trotter | the lock held, a DropECReservationUnlocked would need to be
|
1706 | 111c4e2f | Guido Trotter | created first, to avoid causing deadlock.
|
1707 | 76d5d3a3 | Iustin Pop |
|
1708 | 76d5d3a3 | Iustin Pop | """
|
1709 | 76d5d3a3 | Iustin Pop | modified = False
|
1710 | 76d5d3a3 | Iustin Pop | for item in self._AllUUIDObjects(): |
1711 | 76d5d3a3 | Iustin Pop | if item.uuid is None: |
1712 | 4fae38c5 | Guido Trotter | item.uuid = self._GenerateUniqueID(_UPGRADE_CONFIG_JID)
|
1713 | 76d5d3a3 | Iustin Pop | modified = True
|
1714 | f9e81396 | Guido Trotter | if not self._config_data.nodegroups: |
1715 | 75cf411a | Adeodato Simo | default_nodegroup_name = constants.INITIAL_NODE_GROUP_NAME |
1716 | 75cf411a | Adeodato Simo | default_nodegroup = objects.NodeGroup(name=default_nodegroup_name, |
1717 | 75cf411a | Adeodato Simo | members=[]) |
1718 | e11a1b77 | Adeodato Simo | self._UnlockedAddNodeGroup(default_nodegroup, _UPGRADE_CONFIG_JID, True) |
1719 | f9e81396 | Guido Trotter | modified = True
|
1720 | 190e3cb6 | Guido Trotter | for node in self._config_data.nodes.values(): |
1721 | f936c153 | Iustin Pop | if not node.group: |
1722 | f936c153 | Iustin Pop | node.group = self.LookupNodeGroup(None) |
1723 | 190e3cb6 | Guido Trotter | modified = True
|
1724 | 190e3cb6 | Guido Trotter | # This is technically *not* an upgrade, but needs to be done both when
|
1725 | 190e3cb6 | Guido Trotter | # nodegroups are being added, and upon normally loading the config,
|
1726 | 190e3cb6 | Guido Trotter | # because the members list of a node group is discarded upon
|
1727 | 190e3cb6 | Guido Trotter | # serializing/deserializing the object.
|
1728 | f936c153 | Iustin Pop | self._UnlockedAddNodeToGroup(node.name, node.group)
|
1729 | 76d5d3a3 | Iustin Pop | if modified:
|
1730 | 76d5d3a3 | Iustin Pop | self._WriteConfig()
|
1731 | 4fae38c5 | Guido Trotter | # This is ok even if it acquires the internal lock, as _UpgradeConfig is
|
1732 | 4fae38c5 | Guido Trotter | # only called at config init time, without the lock held
|
1733 | 4fae38c5 | Guido Trotter | self.DropECReservations(_UPGRADE_CONFIG_JID)
|
1734 | 4fae38c5 | Guido Trotter | |
1735 | a4eae71f | Michael Hanselmann | def _DistributeConfig(self, feedback_fn): |
1736 | a8083063 | Iustin Pop | """Distribute the configuration to the other nodes.
|
1737 | a8083063 | Iustin Pop |
|
1738 | a8083063 | Iustin Pop | Currently, this only copies the configuration file. In the future,
|
1739 | a8083063 | Iustin Pop | it could be used to encapsulate the 2/3-phase update mechanism.
|
1740 | a8083063 | Iustin Pop |
|
1741 | a8083063 | Iustin Pop | """
|
1742 | a8083063 | Iustin Pop | if self._offline: |
1743 | a8083063 | Iustin Pop | return True |
1744 | a4eae71f | Michael Hanselmann | |
1745 | a8083063 | Iustin Pop | bad = False
|
1746 | a8083063 | Iustin Pop | |
1747 | 6a5b8b4b | Iustin Pop | node_list = [] |
1748 | 6a5b8b4b | Iustin Pop | addr_list = [] |
1749 | 6a5b8b4b | Iustin Pop | myhostname = self._my_hostname
|
1750 | 6b294c53 | Iustin Pop | # we can skip checking whether _UnlockedGetNodeInfo returns None
|
1751 | 6b294c53 | Iustin Pop | # since the node list comes from _UnlocketGetNodeList, and we are
|
1752 | 6b294c53 | Iustin Pop | # called with the lock held, so no modifications should take place
|
1753 | 6b294c53 | Iustin Pop | # in between
|
1754 | 6a5b8b4b | Iustin Pop | for node_name in self._UnlockedGetNodeList(): |
1755 | 6a5b8b4b | Iustin Pop | if node_name == myhostname:
|
1756 | 6a5b8b4b | Iustin Pop | continue
|
1757 | 6a5b8b4b | Iustin Pop | node_info = self._UnlockedGetNodeInfo(node_name)
|
1758 | 6a5b8b4b | Iustin Pop | if not node_info.master_candidate: |
1759 | 6a5b8b4b | Iustin Pop | continue
|
1760 | 6a5b8b4b | Iustin Pop | node_list.append(node_info.name) |
1761 | 6a5b8b4b | Iustin Pop | addr_list.append(node_info.primary_ip) |
1762 | 6b294c53 | Iustin Pop | |
1763 | 415a7304 | Michael Hanselmann | # TODO: Use dedicated resolver talking to config writer for name resolution
|
1764 | 415a7304 | Michael Hanselmann | result = \ |
1765 | b2acdbdc | Michael Hanselmann | self._GetRpc(addr_list).call_upload_file(node_list, self._cfg_file) |
1766 | 1b54fc6c | Guido Trotter | for to_node, to_result in result.items(): |
1767 | 3cebe102 | Michael Hanselmann | msg = to_result.fail_msg |
1768 | 1b54fc6c | Guido Trotter | if msg:
|
1769 | 1b54fc6c | Guido Trotter | msg = ("Copy of file %s to node %s failed: %s" %
|
1770 | dd7db360 | Iustin Pop | (self._cfg_file, to_node, msg))
|
1771 | 1b54fc6c | Guido Trotter | logging.error(msg) |
1772 | a4eae71f | Michael Hanselmann | |
1773 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
1774 | a4eae71f | Michael Hanselmann | feedback_fn(msg) |
1775 | a4eae71f | Michael Hanselmann | |
1776 | a8083063 | Iustin Pop | bad = True
|
1777 | a4eae71f | Michael Hanselmann | |
1778 | a8083063 | Iustin Pop | return not bad |
1779 | a8083063 | Iustin Pop | |
1780 | a4eae71f | Michael Hanselmann | def _WriteConfig(self, destination=None, feedback_fn=None): |
1781 | a8083063 | Iustin Pop | """Write the configuration data to persistent storage.
|
1782 | a8083063 | Iustin Pop |
|
1783 | a8083063 | Iustin Pop | """
|
1784 | a4eae71f | Michael Hanselmann | assert feedback_fn is None or callable(feedback_fn) |
1785 | a4eae71f | Michael Hanselmann | |
1786 | d2231b8c | Iustin Pop | # Warn on config errors, but don't abort the save - the
|
1787 | d2231b8c | Iustin Pop | # configuration has already been modified, and we can't revert;
|
1788 | d2231b8c | Iustin Pop | # the best we can do is to warn the user and save as is, leaving
|
1789 | d2231b8c | Iustin Pop | # recovery to the user
|
1790 | 4a89c54a | Iustin Pop | config_errors = self._UnlockedVerifyConfig()
|
1791 | 4a89c54a | Iustin Pop | if config_errors:
|
1792 | d2231b8c | Iustin Pop | errmsg = ("Configuration data is not consistent: %s" %
|
1793 | 1f864b60 | Iustin Pop | (utils.CommaJoin(config_errors))) |
1794 | d2231b8c | Iustin Pop | logging.critical(errmsg) |
1795 | d2231b8c | Iustin Pop | if feedback_fn:
|
1796 | d2231b8c | Iustin Pop | feedback_fn(errmsg) |
1797 | d2231b8c | Iustin Pop | |
1798 | a8083063 | Iustin Pop | if destination is None: |
1799 | a8083063 | Iustin Pop | destination = self._cfg_file
|
1800 | a8083063 | Iustin Pop | self._BumpSerialNo()
|
1801 | 8d14b30d | Iustin Pop | txt = serializer.Dump(self._config_data.ToDict())
|
1802 | 13998ef2 | Michael Hanselmann | |
1803 | e60c73a1 | René Nussbaumer | getents = self._getents()
|
1804 | bd407597 | Iustin Pop | try:
|
1805 | bd407597 | Iustin Pop | fd = utils.SafeWriteFile(destination, self._cfg_id, data=txt,
|
1806 | bd407597 | Iustin Pop | close=False, gid=getents.confd_gid, mode=0640) |
1807 | bd407597 | Iustin Pop | except errors.LockError:
|
1808 | bd407597 | Iustin Pop | raise errors.ConfigurationError("The configuration file has been" |
1809 | bd407597 | Iustin Pop | " modified since the last write, cannot"
|
1810 | bd407597 | Iustin Pop | " update")
|
1811 | bd407597 | Iustin Pop | try:
|
1812 | bd407597 | Iustin Pop | self._cfg_id = utils.GetFileID(fd=fd)
|
1813 | bd407597 | Iustin Pop | finally:
|
1814 | bd407597 | Iustin Pop | os.close(fd) |
1815 | 13998ef2 | Michael Hanselmann | |
1816 | 14e15659 | Iustin Pop | self.write_count += 1 |
1817 | 3d3a04bc | Iustin Pop | |
1818 | f56618e0 | Iustin Pop | # and redistribute the config file to master candidates
|
1819 | a4eae71f | Michael Hanselmann | self._DistributeConfig(feedback_fn)
|
1820 | a8083063 | Iustin Pop | |
1821 | 54d1a06e | Michael Hanselmann | # Write ssconf files on all nodes (including locally)
|
1822 | 0779e3aa | Iustin Pop | if self._last_cluster_serial < self._config_data.cluster.serial_no: |
1823 | d9a855f1 | Michael Hanselmann | if not self._offline: |
1824 | b2acdbdc | Michael Hanselmann | result = self._GetRpc(None).call_write_ssconf_files( |
1825 | 6819dc49 | Iustin Pop | self._UnlockedGetOnlineNodeList(),
|
1826 | e1e75d00 | Iustin Pop | self._UnlockedGetSsconfValues())
|
1827 | a4eae71f | Michael Hanselmann | |
1828 | e1e75d00 | Iustin Pop | for nname, nresu in result.items(): |
1829 | 3cebe102 | Michael Hanselmann | msg = nresu.fail_msg |
1830 | e1e75d00 | Iustin Pop | if msg:
|
1831 | a4eae71f | Michael Hanselmann | errmsg = ("Error while uploading ssconf files to"
|
1832 | a4eae71f | Michael Hanselmann | " node %s: %s" % (nname, msg))
|
1833 | a4eae71f | Michael Hanselmann | logging.warning(errmsg) |
1834 | a4eae71f | Michael Hanselmann | |
1835 | a4eae71f | Michael Hanselmann | if feedback_fn:
|
1836 | a4eae71f | Michael Hanselmann | feedback_fn(errmsg) |
1837 | a4eae71f | Michael Hanselmann | |
1838 | 0779e3aa | Iustin Pop | self._last_cluster_serial = self._config_data.cluster.serial_no |
1839 | 54d1a06e | Michael Hanselmann | |
1840 | 03d1dba2 | Michael Hanselmann | def _UnlockedGetSsconfValues(self): |
1841 | 054596f0 | Iustin Pop | """Return the values needed by ssconf.
|
1842 | 054596f0 | Iustin Pop |
|
1843 | 054596f0 | Iustin Pop | @rtype: dict
|
1844 | 054596f0 | Iustin Pop | @return: a dictionary with keys the ssconf names and values their
|
1845 | 054596f0 | Iustin Pop | associated value
|
1846 | 054596f0 | Iustin Pop |
|
1847 | 054596f0 | Iustin Pop | """
|
1848 | a3316e4a | Iustin Pop | fn = "\n".join
|
1849 | 81a49123 | Iustin Pop | instance_names = utils.NiceSort(self._UnlockedGetInstanceList())
|
1850 | a3316e4a | Iustin Pop | node_names = utils.NiceSort(self._UnlockedGetNodeList())
|
1851 | a3316e4a | Iustin Pop | node_info = [self._UnlockedGetNodeInfo(name) for name in node_names] |
1852 | c3029d0a | Luca Bigliardi | node_pri_ips = ["%s %s" % (ninfo.name, ninfo.primary_ip)
|
1853 | 5909fb97 | Luca Bigliardi | for ninfo in node_info] |
1854 | c3029d0a | Luca Bigliardi | node_snd_ips = ["%s %s" % (ninfo.name, ninfo.secondary_ip)
|
1855 | 5909fb97 | Luca Bigliardi | for ninfo in node_info] |
1856 | a3316e4a | Iustin Pop | |
1857 | 81a49123 | Iustin Pop | instance_data = fn(instance_names) |
1858 | a3316e4a | Iustin Pop | off_data = fn(node.name for node in node_info if node.offline) |
1859 | 81a49123 | Iustin Pop | on_data = fn(node.name for node in node_info if not node.offline) |
1860 | a3316e4a | Iustin Pop | mc_data = fn(node.name for node in node_info if node.master_candidate) |
1861 | 8113a52e | Luca Bigliardi | mc_ips_data = fn(node.primary_ip for node in node_info |
1862 | 8113a52e | Luca Bigliardi | if node.master_candidate)
|
1863 | a3316e4a | Iustin Pop | node_data = fn(node_names) |
1864 | f9780ccd | Luca Bigliardi | node_pri_ips_data = fn(node_pri_ips) |
1865 | f9780ccd | Luca Bigliardi | node_snd_ips_data = fn(node_snd_ips) |
1866 | f56618e0 | Iustin Pop | |
1867 | 054596f0 | Iustin Pop | cluster = self._config_data.cluster
|
1868 | 5d60b3bd | Iustin Pop | cluster_tags = fn(cluster.GetTags()) |
1869 | 4f7a6a10 | Iustin Pop | |
1870 | 4f7a6a10 | Iustin Pop | hypervisor_list = fn(cluster.enabled_hypervisors) |
1871 | 4f7a6a10 | Iustin Pop | |
1872 | 0fbae49a | Balazs Lecz | uid_pool = uidpool.FormatUidPool(cluster.uid_pool, separator="\n")
|
1873 | 0fbae49a | Balazs Lecz | |
1874 | 6f076453 | Guido Trotter | nodegroups = ["%s %s" % (nodegroup.uuid, nodegroup.name) for nodegroup in |
1875 | 6f076453 | Guido Trotter | self._config_data.nodegroups.values()]
|
1876 | 6f076453 | Guido Trotter | nodegroups_data = fn(utils.NiceSort(nodegroups)) |
1877 | 6f076453 | Guido Trotter | |
1878 | 2afc9238 | Iustin Pop | ssconf_values = { |
1879 | 054596f0 | Iustin Pop | constants.SS_CLUSTER_NAME: cluster.cluster_name, |
1880 | 5d60b3bd | Iustin Pop | constants.SS_CLUSTER_TAGS: cluster_tags, |
1881 | 054596f0 | Iustin Pop | constants.SS_FILE_STORAGE_DIR: cluster.file_storage_dir, |
1882 | 4b97f902 | Apollon Oikonomopoulos | constants.SS_SHARED_FILE_STORAGE_DIR: cluster.shared_file_storage_dir, |
1883 | a3316e4a | Iustin Pop | constants.SS_MASTER_CANDIDATES: mc_data, |
1884 | 8113a52e | Luca Bigliardi | constants.SS_MASTER_CANDIDATES_IPS: mc_ips_data, |
1885 | 054596f0 | Iustin Pop | constants.SS_MASTER_IP: cluster.master_ip, |
1886 | 054596f0 | Iustin Pop | constants.SS_MASTER_NETDEV: cluster.master_netdev, |
1887 | 5a8648eb | Andrea Spadaccini | constants.SS_MASTER_NETMASK: str(cluster.master_netmask),
|
1888 | 054596f0 | Iustin Pop | constants.SS_MASTER_NODE: cluster.master_node, |
1889 | a3316e4a | Iustin Pop | constants.SS_NODE_LIST: node_data, |
1890 | f9780ccd | Luca Bigliardi | constants.SS_NODE_PRIMARY_IPS: node_pri_ips_data, |
1891 | f9780ccd | Luca Bigliardi | constants.SS_NODE_SECONDARY_IPS: node_snd_ips_data, |
1892 | a3316e4a | Iustin Pop | constants.SS_OFFLINE_NODES: off_data, |
1893 | 81a49123 | Iustin Pop | constants.SS_ONLINE_NODES: on_data, |
1894 | 868a98ca | Manuel Franceschini | constants.SS_PRIMARY_IP_FAMILY: str(cluster.primary_ip_family),
|
1895 | 81a49123 | Iustin Pop | constants.SS_INSTANCE_LIST: instance_data, |
1896 | 8a113c7a | Iustin Pop | constants.SS_RELEASE_VERSION: constants.RELEASE_VERSION, |
1897 | 4f7a6a10 | Iustin Pop | constants.SS_HYPERVISOR_LIST: hypervisor_list, |
1898 | 5c465a95 | Iustin Pop | constants.SS_MAINTAIN_NODE_HEALTH: str(cluster.maintain_node_health),
|
1899 | 0fbae49a | Balazs Lecz | constants.SS_UID_POOL: uid_pool, |
1900 | 6f076453 | Guido Trotter | constants.SS_NODEGROUPS: nodegroups_data, |
1901 | 03d1dba2 | Michael Hanselmann | } |
1902 | 2afc9238 | Iustin Pop | bad_values = [(k, v) for k, v in ssconf_values.items() |
1903 | 2afc9238 | Iustin Pop | if not isinstance(v, (str, basestring))] |
1904 | 2afc9238 | Iustin Pop | if bad_values:
|
1905 | 2afc9238 | Iustin Pop | err = utils.CommaJoin("%s=%s" % (k, v) for k, v in bad_values) |
1906 | 2afc9238 | Iustin Pop | raise errors.ConfigurationError("Some ssconf key(s) have non-string" |
1907 | 2afc9238 | Iustin Pop | " values: %s" % err)
|
1908 | 2afc9238 | Iustin Pop | return ssconf_values
|
1909 | 03d1dba2 | Michael Hanselmann | |
1910 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1911 | d367b66c | Manuel Franceschini | def GetSsconfValues(self): |
1912 | d367b66c | Manuel Franceschini | """Wrapper using lock around _UnlockedGetSsconf().
|
1913 | d367b66c | Manuel Franceschini |
|
1914 | d367b66c | Manuel Franceschini | """
|
1915 | d367b66c | Manuel Franceschini | return self._UnlockedGetSsconfValues() |
1916 | d367b66c | Manuel Franceschini | |
1917 | d367b66c | Manuel Franceschini | @locking.ssynchronized(_config_lock, shared=1) |
1918 | a8083063 | Iustin Pop | def GetVGName(self): |
1919 | a8083063 | Iustin Pop | """Return the volume group name.
|
1920 | a8083063 | Iustin Pop |
|
1921 | a8083063 | Iustin Pop | """
|
1922 | a8083063 | Iustin Pop | return self._config_data.cluster.volume_group_name |
1923 | a8083063 | Iustin Pop | |
1924 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1925 | 89ff8e15 | Manuel Franceschini | def SetVGName(self, vg_name): |
1926 | 89ff8e15 | Manuel Franceschini | """Set the volume group name.
|
1927 | 89ff8e15 | Manuel Franceschini |
|
1928 | 89ff8e15 | Manuel Franceschini | """
|
1929 | 2d4011cd | Manuel Franceschini | self._config_data.cluster.volume_group_name = vg_name
|
1930 | b9f72b4e | Iustin Pop | self._config_data.cluster.serial_no += 1 |
1931 | 89ff8e15 | Manuel Franceschini | self._WriteConfig()
|
1932 | 89ff8e15 | Manuel Franceschini | |
1933 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1934 | 9e33896b | Luca Bigliardi | def GetDRBDHelper(self): |
1935 | 9e33896b | Luca Bigliardi | """Return DRBD usermode helper.
|
1936 | 9e33896b | Luca Bigliardi |
|
1937 | 9e33896b | Luca Bigliardi | """
|
1938 | 9e33896b | Luca Bigliardi | return self._config_data.cluster.drbd_usermode_helper |
1939 | 9e33896b | Luca Bigliardi | |
1940 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock)
|
1941 | 9e33896b | Luca Bigliardi | def SetDRBDHelper(self, drbd_helper): |
1942 | 9e33896b | Luca Bigliardi | """Set DRBD usermode helper.
|
1943 | 9e33896b | Luca Bigliardi |
|
1944 | 9e33896b | Luca Bigliardi | """
|
1945 | 9e33896b | Luca Bigliardi | self._config_data.cluster.drbd_usermode_helper = drbd_helper
|
1946 | 9e33896b | Luca Bigliardi | self._config_data.cluster.serial_no += 1 |
1947 | 9e33896b | Luca Bigliardi | self._WriteConfig()
|
1948 | 9e33896b | Luca Bigliardi | |
1949 | 9e33896b | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
1950 | a8083063 | Iustin Pop | def GetMACPrefix(self): |
1951 | a8083063 | Iustin Pop | """Return the mac prefix.
|
1952 | a8083063 | Iustin Pop |
|
1953 | a8083063 | Iustin Pop | """
|
1954 | a8083063 | Iustin Pop | return self._config_data.cluster.mac_prefix |
1955 | 62779dd0 | Iustin Pop | |
1956 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock, shared=1) |
1957 | 62779dd0 | Iustin Pop | def GetClusterInfo(self): |
1958 | 5bbd3f7f | Michael Hanselmann | """Returns information about the cluster
|
1959 | 62779dd0 | Iustin Pop |
|
1960 | c41eea6e | Iustin Pop | @rtype: L{objects.Cluster}
|
1961 | c41eea6e | Iustin Pop | @return: the cluster object
|
1962 | 62779dd0 | Iustin Pop |
|
1963 | 62779dd0 | Iustin Pop | """
|
1964 | 62779dd0 | Iustin Pop | return self._config_data.cluster |
1965 | e00fb268 | Iustin Pop | |
1966 | 51cb1581 | Luca Bigliardi | @locking.ssynchronized(_config_lock, shared=1) |
1967 | 51cb1581 | Luca Bigliardi | def HasAnyDiskOfType(self, dev_type): |
1968 | 51cb1581 | Luca Bigliardi | """Check if in there is at disk of the given type in the configuration.
|
1969 | 51cb1581 | Luca Bigliardi |
|
1970 | 51cb1581 | Luca Bigliardi | """
|
1971 | 51cb1581 | Luca Bigliardi | return self._config_data.HasAnyDiskOfType(dev_type) |
1972 | 51cb1581 | Luca Bigliardi | |
1973 | f78ede4e | Guido Trotter | @locking.ssynchronized(_config_lock)
|
1974 | a4eae71f | Michael Hanselmann | def Update(self, target, feedback_fn): |
1975 | e00fb268 | Iustin Pop | """Notify function to be called after updates.
|
1976 | e00fb268 | Iustin Pop |
|
1977 | e00fb268 | Iustin Pop | This function must be called when an object (as returned by
|
1978 | e00fb268 | Iustin Pop | GetInstanceInfo, GetNodeInfo, GetCluster) has been updated and the
|
1979 | e00fb268 | Iustin Pop | caller wants the modifications saved to the backing store. Note
|
1980 | e00fb268 | Iustin Pop | that all modified objects will be saved, but the target argument
|
1981 | e00fb268 | Iustin Pop | is the one the caller wants to ensure that it's saved.
|
1982 | e00fb268 | Iustin Pop |
|
1983 | c41eea6e | Iustin Pop | @param target: an instance of either L{objects.Cluster},
|
1984 | c41eea6e | Iustin Pop | L{objects.Node} or L{objects.Instance} which is existing in
|
1985 | c41eea6e | Iustin Pop | the cluster
|
1986 | a4eae71f | Michael Hanselmann | @param feedback_fn: Callable feedback function
|
1987 | c41eea6e | Iustin Pop |
|
1988 | e00fb268 | Iustin Pop | """
|
1989 | e00fb268 | Iustin Pop | if self._config_data is None: |
1990 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Configuration file not read," |
1991 | 3ecf6786 | Iustin Pop | " cannot save.")
|
1992 | f34901f8 | Iustin Pop | update_serial = False
|
1993 | e00fb268 | Iustin Pop | if isinstance(target, objects.Cluster): |
1994 | e00fb268 | Iustin Pop | test = target == self._config_data.cluster
|
1995 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Node): |
1996 | e00fb268 | Iustin Pop | test = target in self._config_data.nodes.values() |
1997 | f34901f8 | Iustin Pop | update_serial = True
|
1998 | e00fb268 | Iustin Pop | elif isinstance(target, objects.Instance): |
1999 | e00fb268 | Iustin Pop | test = target in self._config_data.instances.values() |
2000 | e11a1b77 | Adeodato Simo | elif isinstance(target, objects.NodeGroup): |
2001 | e11a1b77 | Adeodato Simo | test = target in self._config_data.nodegroups.values() |
2002 | e00fb268 | Iustin Pop | else:
|
2003 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Invalid object type (%s) passed to" |
2004 | 3ecf6786 | Iustin Pop | " ConfigWriter.Update" % type(target)) |
2005 | e00fb268 | Iustin Pop | if not test: |
2006 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("Configuration updated since object" |
2007 | 3ecf6786 | Iustin Pop | " has been read or unknown object")
|
2008 | f34901f8 | Iustin Pop | target.serial_no += 1
|
2009 | d693c864 | Iustin Pop | target.mtime = now = time.time() |
2010 | f34901f8 | Iustin Pop | |
2011 | cff4c037 | Iustin Pop | if update_serial:
|
2012 | f34901f8 | Iustin Pop | # for node updates, we need to increase the cluster serial too
|
2013 | f34901f8 | Iustin Pop | self._config_data.cluster.serial_no += 1 |
2014 | d693c864 | Iustin Pop | self._config_data.cluster.mtime = now
|
2015 | b989e85d | Iustin Pop | |
2016 | 61cf6b5e | Iustin Pop | if isinstance(target, objects.Instance): |
2017 | 61cf6b5e | Iustin Pop | self._UnlockedReleaseDRBDMinors(target.name)
|
2018 | 61cf6b5e | Iustin Pop | |
2019 | a4eae71f | Michael Hanselmann | self._WriteConfig(feedback_fn=feedback_fn)
|
2020 | 73064714 | Guido Trotter | |
2021 | 73064714 | Guido Trotter | @locking.ssynchronized(_config_lock)
|
2022 | 73064714 | Guido Trotter | def DropECReservations(self, ec_id): |
2023 | 73064714 | Guido Trotter | """Drop per-execution-context reservations
|
2024 | 73064714 | Guido Trotter |
|
2025 | 73064714 | Guido Trotter | """
|
2026 | d8aee57e | Iustin Pop | for rm in self._all_rms: |
2027 | d8aee57e | Iustin Pop | rm.DropECReservations(ec_id) |