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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | a8083063 | Iustin Pop | # Copyright (C) 2006, 2007 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 | 3ef3c771 | Iustin Pop | """Inter-node RPC library.
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23 | a8083063 | Iustin Pop |
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24 | a8083063 | Iustin Pop | """
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25 | a8083063 | Iustin Pop | |
26 | 72737a7f | Iustin Pop | # pylint: disable-msg=C0103,R0201,R0904
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27 | 72737a7f | Iustin Pop | # C0103: Invalid name, since call_ are not valid
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28 | 72737a7f | Iustin Pop | # R0201: Method could be a function, we keep all rpcs instance methods
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29 | 72737a7f | Iustin Pop | # as not to change them back and forth between static/instance methods
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30 | 72737a7f | Iustin Pop | # if they need to start using instance attributes
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31 | 72737a7f | Iustin Pop | # R0904: Too many public methods
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32 | a8083063 | Iustin Pop | |
33 | a8083063 | Iustin Pop | import os |
34 | 58b311ca | Iustin Pop | import logging |
35 | 12bce260 | Michael Hanselmann | import zlib |
36 | 12bce260 | Michael Hanselmann | import base64 |
37 | a8083063 | Iustin Pop | |
38 | a8083063 | Iustin Pop | from ganeti import utils |
39 | a8083063 | Iustin Pop | from ganeti import objects |
40 | ecfe9491 | Michael Hanselmann | from ganeti import http |
41 | 7c28c575 | Michael Hanselmann | from ganeti import serializer |
42 | eafd8762 | Michael Hanselmann | from ganeti import constants |
43 | 781de953 | Iustin Pop | from ganeti import errors |
44 | a8083063 | Iustin Pop | |
45 | fe267188 | Iustin Pop | # pylint has a bug here, doesn't see this import
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46 | fe267188 | Iustin Pop | import ganeti.http.client # pylint: disable-msg=W0611 |
47 | ae88ef45 | Michael Hanselmann | |
48 | a8083063 | Iustin Pop | |
49 | 4331f6cd | Michael Hanselmann | # Module level variable
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50 | 4331f6cd | Michael Hanselmann | _http_manager = None
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51 | 4331f6cd | Michael Hanselmann | |
52 | 4331f6cd | Michael Hanselmann | |
53 | 4331f6cd | Michael Hanselmann | def Init(): |
54 | 4331f6cd | Michael Hanselmann | """Initializes the module-global HTTP client manager.
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55 | 4331f6cd | Michael Hanselmann |
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56 | 4331f6cd | Michael Hanselmann | Must be called before using any RPC function.
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57 | 4331f6cd | Michael Hanselmann |
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58 | 4331f6cd | Michael Hanselmann | """
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59 | fe267188 | Iustin Pop | global _http_manager # pylint: disable-msg=W0603 |
60 | 4331f6cd | Michael Hanselmann | |
61 | 4331f6cd | Michael Hanselmann | assert not _http_manager, "RPC module initialized more than once" |
62 | 4331f6cd | Michael Hanselmann | |
63 | 8d0a4f99 | Michael Hanselmann | http.InitSsl() |
64 | 8d0a4f99 | Michael Hanselmann | |
65 | ae88ef45 | Michael Hanselmann | _http_manager = http.client.HttpClientManager() |
66 | 4331f6cd | Michael Hanselmann | |
67 | 4331f6cd | Michael Hanselmann | |
68 | 4331f6cd | Michael Hanselmann | def Shutdown(): |
69 | 4331f6cd | Michael Hanselmann | """Stops the module-global HTTP client manager.
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70 | 4331f6cd | Michael Hanselmann |
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71 | 4331f6cd | Michael Hanselmann | Must be called before quitting the program.
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72 | 4331f6cd | Michael Hanselmann |
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73 | 4331f6cd | Michael Hanselmann | """
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74 | fe267188 | Iustin Pop | global _http_manager # pylint: disable-msg=W0603 |
75 | 4331f6cd | Michael Hanselmann | |
76 | 4331f6cd | Michael Hanselmann | if _http_manager:
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77 | 4331f6cd | Michael Hanselmann | _http_manager.Shutdown() |
78 | 4331f6cd | Michael Hanselmann | _http_manager = None
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79 | 4331f6cd | Michael Hanselmann | |
80 | 4331f6cd | Michael Hanselmann | |
81 | 781de953 | Iustin Pop | class RpcResult(object): |
82 | 781de953 | Iustin Pop | """RPC Result class.
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83 | 781de953 | Iustin Pop |
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84 | 781de953 | Iustin Pop | This class holds an RPC result. It is needed since in multi-node
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85 | 781de953 | Iustin Pop | calls we can't raise an exception just because one one out of many
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86 | 781de953 | Iustin Pop | failed, and therefore we use this class to encapsulate the result.
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87 | 781de953 | Iustin Pop |
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88 | 5bbd3f7f | Michael Hanselmann | @ivar data: the data payload, for successful results, or None
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89 | ed83f5cc | Iustin Pop | @ivar call: the name of the RPC call
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90 | ed83f5cc | Iustin Pop | @ivar node: the name of the node to which we made the call
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91 | ed83f5cc | Iustin Pop | @ivar offline: whether the operation failed because the node was
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92 | ed83f5cc | Iustin Pop | offline, as opposed to actual failure; offline=True will always
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93 | ed83f5cc | Iustin Pop | imply failed=True, in order to allow simpler checking if
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94 | ed83f5cc | Iustin Pop | the user doesn't care about the exact failure mode
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95 | 4c4e4e1e | Iustin Pop | @ivar fail_msg: the error message if the call failed
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96 | ed83f5cc | Iustin Pop |
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97 | 781de953 | Iustin Pop | """
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98 | ed83f5cc | Iustin Pop | def __init__(self, data=None, failed=False, offline=False, |
99 | ed83f5cc | Iustin Pop | call=None, node=None): |
100 | ed83f5cc | Iustin Pop | self.offline = offline
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101 | ed83f5cc | Iustin Pop | self.call = call
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102 | ed83f5cc | Iustin Pop | self.node = node
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103 | 1645d22d | Michael Hanselmann | |
104 | ed83f5cc | Iustin Pop | if offline:
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105 | 4c4e4e1e | Iustin Pop | self.fail_msg = "Node is marked offline" |
106 | f2def43a | Iustin Pop | self.data = self.payload = None |
107 | ed83f5cc | Iustin Pop | elif failed:
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108 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(data) |
109 | f2def43a | Iustin Pop | self.data = self.payload = None |
110 | 781de953 | Iustin Pop | else:
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111 | 781de953 | Iustin Pop | self.data = data
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112 | d3c8b360 | Iustin Pop | if not isinstance(self.data, (tuple, list)): |
113 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result type (%s)" % |
114 | 4c4e4e1e | Iustin Pop | type(self.data)) |
115 | 1645d22d | Michael Hanselmann | self.payload = None |
116 | d3c8b360 | Iustin Pop | elif len(data) != 2: |
117 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result length (%d), " |
118 | 4c4e4e1e | Iustin Pop | "expected 2" % len(self.data)) |
119 | 1645d22d | Michael Hanselmann | self.payload = None |
120 | d3c8b360 | Iustin Pop | elif not self.data[0]: |
121 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(self.data[1]) |
122 | 1645d22d | Michael Hanselmann | self.payload = None |
123 | f2def43a | Iustin Pop | else:
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124 | d3c8b360 | Iustin Pop | # finally success
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125 | 4c4e4e1e | Iustin Pop | self.fail_msg = None |
126 | d3c8b360 | Iustin Pop | self.payload = data[1] |
127 | d3c8b360 | Iustin Pop | |
128 | 1645d22d | Michael Hanselmann | assert hasattr(self, "call") |
129 | 1645d22d | Michael Hanselmann | assert hasattr(self, "data") |
130 | 1645d22d | Michael Hanselmann | assert hasattr(self, "fail_msg") |
131 | 1645d22d | Michael Hanselmann | assert hasattr(self, "node") |
132 | 1645d22d | Michael Hanselmann | assert hasattr(self, "offline") |
133 | 1645d22d | Michael Hanselmann | assert hasattr(self, "payload") |
134 | 1645d22d | Michael Hanselmann | |
135 | d3c8b360 | Iustin Pop | @staticmethod
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136 | d3c8b360 | Iustin Pop | def _EnsureErr(val): |
137 | d3c8b360 | Iustin Pop | """Helper to ensure we return a 'True' value for error."""
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138 | d3c8b360 | Iustin Pop | if val:
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139 | d3c8b360 | Iustin Pop | return val
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140 | d3c8b360 | Iustin Pop | else:
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141 | d3c8b360 | Iustin Pop | return "No error information" |
142 | 781de953 | Iustin Pop | |
143 | 045dd6d9 | Iustin Pop | def Raise(self, msg, prereq=False, ecode=None): |
144 | 781de953 | Iustin Pop | """If the result has failed, raise an OpExecError.
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145 | 781de953 | Iustin Pop |
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146 | 781de953 | Iustin Pop | This is used so that LU code doesn't have to check for each
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147 | 781de953 | Iustin Pop | result, but instead can call this function.
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148 | 781de953 | Iustin Pop |
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149 | 781de953 | Iustin Pop | """
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150 | 4c4e4e1e | Iustin Pop | if not self.fail_msg: |
151 | 4c4e4e1e | Iustin Pop | return
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152 | 4c4e4e1e | Iustin Pop | |
153 | 4c4e4e1e | Iustin Pop | if not msg: # one could pass None for default message |
154 | 4c4e4e1e | Iustin Pop | msg = ("Call '%s' to node '%s' has failed: %s" %
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155 | 4c4e4e1e | Iustin Pop | (self.call, self.node, self.fail_msg)) |
156 | 4c4e4e1e | Iustin Pop | else:
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157 | 4c4e4e1e | Iustin Pop | msg = "%s: %s" % (msg, self.fail_msg) |
158 | 4c4e4e1e | Iustin Pop | if prereq:
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159 | 4c4e4e1e | Iustin Pop | ec = errors.OpPrereqError |
160 | 4c4e4e1e | Iustin Pop | else:
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161 | 4c4e4e1e | Iustin Pop | ec = errors.OpExecError |
162 | 045dd6d9 | Iustin Pop | if ecode is not None: |
163 | 045dd6d9 | Iustin Pop | args = (msg, prereq) |
164 | 045dd6d9 | Iustin Pop | else:
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165 | 045dd6d9 | Iustin Pop | args = (msg, ) |
166 | 7260cfbe | Iustin Pop | raise ec(*args) # pylint: disable-msg=W0142 |
167 | 781de953 | Iustin Pop | |
168 | 781de953 | Iustin Pop | |
169 | a8083063 | Iustin Pop | class Client: |
170 | a8083063 | Iustin Pop | """RPC Client class.
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171 | a8083063 | Iustin Pop |
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172 | 2f8598a5 | Alexander Schreiber | This class, given a (remote) method name, a list of parameters and a
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173 | a8083063 | Iustin Pop | list of nodes, will contact (in parallel) all nodes, and return a
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174 | a8083063 | Iustin Pop | dict of results (key: node name, value: result).
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175 | a8083063 | Iustin Pop |
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176 | 5bbd3f7f | Michael Hanselmann | One current bug is that generic failure is still signaled by
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177 | a8083063 | Iustin Pop | 'False' result, which is not good. This overloading of values can
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178 | a8083063 | Iustin Pop | cause bugs.
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179 | a8083063 | Iustin Pop |
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180 | a8083063 | Iustin Pop | """
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181 | 160e2921 | Iustin Pop | def __init__(self, procedure, body, port): |
182 | a8083063 | Iustin Pop | self.procedure = procedure
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183 | 160e2921 | Iustin Pop | self.body = body
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184 | 160e2921 | Iustin Pop | self.port = port
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185 | ecfe9491 | Michael Hanselmann | self.nc = {}
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186 | a8083063 | Iustin Pop | |
187 | d57ae7f7 | Michael Hanselmann | self._ssl_params = \
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188 | 168c1de2 | Michael Hanselmann | http.HttpSslParams(ssl_key_path=constants.NODED_CERT_FILE, |
189 | 168c1de2 | Michael Hanselmann | ssl_cert_path=constants.NODED_CERT_FILE) |
190 | d57ae7f7 | Michael Hanselmann | |
191 | bdf7d8c0 | Iustin Pop | def ConnectList(self, node_list, address_list=None): |
192 | a8083063 | Iustin Pop | """Add a list of nodes to the target nodes.
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193 | a8083063 | Iustin Pop |
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194 | 3ef3c771 | Iustin Pop | @type node_list: list
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195 | 3ef3c771 | Iustin Pop | @param node_list: the list of node names to connect
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196 | bdf7d8c0 | Iustin Pop | @type address_list: list or None
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197 | bdf7d8c0 | Iustin Pop | @keyword address_list: either None or a list with node addresses,
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198 | bdf7d8c0 | Iustin Pop | which must have the same length as the node list
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199 | 3ef3c771 | Iustin Pop |
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200 | a8083063 | Iustin Pop | """
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201 | bdf7d8c0 | Iustin Pop | if address_list is None: |
202 | bdf7d8c0 | Iustin Pop | address_list = [None for _ in node_list] |
203 | bdf7d8c0 | Iustin Pop | else:
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204 | bdf7d8c0 | Iustin Pop | assert len(node_list) == len(address_list), \ |
205 | bdf7d8c0 | Iustin Pop | "Name and address lists should have the same length"
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206 | bdf7d8c0 | Iustin Pop | for node, address in zip(node_list, address_list): |
207 | bdf7d8c0 | Iustin Pop | self.ConnectNode(node, address)
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208 | bdf7d8c0 | Iustin Pop | |
209 | bdf7d8c0 | Iustin Pop | def ConnectNode(self, name, address=None): |
210 | a8083063 | Iustin Pop | """Add a node to the target list.
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211 | a8083063 | Iustin Pop |
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212 | bdf7d8c0 | Iustin Pop | @type name: str
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213 | bdf7d8c0 | Iustin Pop | @param name: the node name
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214 | bdf7d8c0 | Iustin Pop | @type address: str
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215 | bdf7d8c0 | Iustin Pop | @keyword address: the node address, if known
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216 | bdf7d8c0 | Iustin Pop |
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217 | a8083063 | Iustin Pop | """
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218 | ecfe9491 | Michael Hanselmann | if address is None: |
219 | ecfe9491 | Michael Hanselmann | address = name |
220 | ecfe9491 | Michael Hanselmann | |
221 | ae88ef45 | Michael Hanselmann | self.nc[name] = \
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222 | ae88ef45 | Michael Hanselmann | http.client.HttpClientRequest(address, self.port, http.HTTP_PUT,
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223 | ae88ef45 | Michael Hanselmann | "/%s" % self.procedure, |
224 | ae88ef45 | Michael Hanselmann | post_data=self.body,
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225 | ae88ef45 | Michael Hanselmann | ssl_params=self._ssl_params,
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226 | ae88ef45 | Michael Hanselmann | ssl_verify_peer=True)
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227 | a8083063 | Iustin Pop | |
228 | 3ef3c771 | Iustin Pop | def GetResults(self): |
229 | ecfe9491 | Michael Hanselmann | """Call nodes and return results.
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230 | ecfe9491 | Michael Hanselmann |
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231 | ecfe9491 | Michael Hanselmann | @rtype: list
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232 | 5fcc718f | Iustin Pop | @return: List of RPC results
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233 | a8083063 | Iustin Pop |
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234 | a8083063 | Iustin Pop | """
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235 | 5bbd3f7f | Michael Hanselmann | assert _http_manager, "RPC module not initialized" |
236 | 4331f6cd | Michael Hanselmann | |
237 | 4331f6cd | Michael Hanselmann | _http_manager.ExecRequests(self.nc.values())
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238 | a8083063 | Iustin Pop | |
239 | ecfe9491 | Michael Hanselmann | results = {} |
240 | a8083063 | Iustin Pop | |
241 | ecfe9491 | Michael Hanselmann | for name, req in self.nc.iteritems(): |
242 | ae88ef45 | Michael Hanselmann | if req.success and req.resp_status_code == http.HTTP_OK: |
243 | 781de953 | Iustin Pop | results[name] = RpcResult(data=serializer.LoadJson(req.resp_body), |
244 | 781de953 | Iustin Pop | node=name, call=self.procedure)
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245 | ecfe9491 | Michael Hanselmann | continue
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246 | a8083063 | Iustin Pop | |
247 | d57ae7f7 | Michael Hanselmann | # TODO: Better error reporting
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248 | ecfe9491 | Michael Hanselmann | if req.error:
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249 | ecfe9491 | Michael Hanselmann | msg = req.error |
250 | ecfe9491 | Michael Hanselmann | else:
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251 | ecfe9491 | Michael Hanselmann | msg = req.resp_body |
252 | ecfe9491 | Michael Hanselmann | |
253 | 1b8acf70 | Iustin Pop | logging.error("RPC error in %s from node %s: %s",
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254 | 1b8acf70 | Iustin Pop | self.procedure, name, msg)
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255 | 781de953 | Iustin Pop | results[name] = RpcResult(data=msg, failed=True, node=name,
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256 | 781de953 | Iustin Pop | call=self.procedure)
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257 | ecfe9491 | Michael Hanselmann | |
258 | ecfe9491 | Michael Hanselmann | return results
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259 | a8083063 | Iustin Pop | |
260 | a8083063 | Iustin Pop | |
261 | 72737a7f | Iustin Pop | class RpcRunner(object): |
262 | 72737a7f | Iustin Pop | """RPC runner class"""
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263 | a8083063 | Iustin Pop | |
264 | 72737a7f | Iustin Pop | def __init__(self, cfg): |
265 | 72737a7f | Iustin Pop | """Initialized the rpc runner.
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266 | a8083063 | Iustin Pop |
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267 | 72737a7f | Iustin Pop | @type cfg: C{config.ConfigWriter}
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268 | 72737a7f | Iustin Pop | @param cfg: the configuration object that will be used to get data
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269 | 72737a7f | Iustin Pop | about the cluster
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270 | a8083063 | Iustin Pop |
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271 | 72737a7f | Iustin Pop | """
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272 | 72737a7f | Iustin Pop | self._cfg = cfg
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273 | cd50653c | Guido Trotter | self.port = utils.GetDaemonPort(constants.NODED)
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274 | a8083063 | Iustin Pop | |
275 | 0eca8e0c | Iustin Pop | def _InstDict(self, instance, hvp=None, bep=None): |
276 | 26ba2bd8 | Iustin Pop | """Convert the given instance to a dict.
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277 | 26ba2bd8 | Iustin Pop |
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278 | 26ba2bd8 | Iustin Pop | This is done via the instance's ToDict() method and additionally
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279 | 26ba2bd8 | Iustin Pop | we fill the hvparams with the cluster defaults.
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280 | 26ba2bd8 | Iustin Pop |
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281 | 26ba2bd8 | Iustin Pop | @type instance: L{objects.Instance}
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282 | 26ba2bd8 | Iustin Pop | @param instance: an Instance object
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283 | 0eca8e0c | Iustin Pop | @type hvp: dict or None
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284 | 5bbd3f7f | Michael Hanselmann | @param hvp: a dictionary with overridden hypervisor parameters
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285 | 0eca8e0c | Iustin Pop | @type bep: dict or None
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286 | 5bbd3f7f | Michael Hanselmann | @param bep: a dictionary with overridden backend parameters
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287 | 26ba2bd8 | Iustin Pop | @rtype: dict
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288 | 26ba2bd8 | Iustin Pop | @return: the instance dict, with the hvparams filled with the
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289 | 26ba2bd8 | Iustin Pop | cluster defaults
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290 | 26ba2bd8 | Iustin Pop |
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291 | 26ba2bd8 | Iustin Pop | """
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292 | 26ba2bd8 | Iustin Pop | idict = instance.ToDict() |
293 | 5b442704 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
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294 | 5b442704 | Iustin Pop | idict["hvparams"] = cluster.FillHV(instance)
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295 | 0eca8e0c | Iustin Pop | if hvp is not None: |
296 | 0eca8e0c | Iustin Pop | idict["hvparams"].update(hvp)
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297 | 5b442704 | Iustin Pop | idict["beparams"] = cluster.FillBE(instance)
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298 | 0eca8e0c | Iustin Pop | if bep is not None: |
299 | 0eca8e0c | Iustin Pop | idict["beparams"].update(bep)
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300 | b848ce79 | Guido Trotter | for nic in idict["nics"]: |
301 | b848ce79 | Guido Trotter | nic['nicparams'] = objects.FillDict(
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302 | b848ce79 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], |
303 | b848ce79 | Guido Trotter | nic['nicparams'])
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304 | 26ba2bd8 | Iustin Pop | return idict
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305 | 26ba2bd8 | Iustin Pop | |
306 | 84b45587 | Iustin Pop | def _ConnectList(self, client, node_list, call): |
307 | 25348212 | Iustin Pop | """Helper for computing node addresses.
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308 | 25348212 | Iustin Pop |
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309 | 6af6270a | Iustin Pop | @type client: L{ganeti.rpc.Client}
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310 | 25348212 | Iustin Pop | @param client: a C{Client} instance
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311 | 25348212 | Iustin Pop | @type node_list: list
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312 | 25348212 | Iustin Pop | @param node_list: the node list we should connect
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313 | 84b45587 | Iustin Pop | @type call: string
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314 | 84b45587 | Iustin Pop | @param call: the name of the remote procedure call, for filling in
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315 | 84b45587 | Iustin Pop | correctly any eventual offline nodes' results
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316 | 25348212 | Iustin Pop |
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317 | 25348212 | Iustin Pop | """
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318 | 25348212 | Iustin Pop | all_nodes = self._cfg.GetAllNodesInfo()
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319 | ed83f5cc | Iustin Pop | name_list = [] |
320 | 25348212 | Iustin Pop | addr_list = [] |
321 | ed83f5cc | Iustin Pop | skip_dict = {} |
322 | 25348212 | Iustin Pop | for node in node_list: |
323 | 25348212 | Iustin Pop | if node in all_nodes: |
324 | ed83f5cc | Iustin Pop | if all_nodes[node].offline:
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325 | 84b45587 | Iustin Pop | skip_dict[node] = RpcResult(node=node, offline=True, call=call)
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326 | ed83f5cc | Iustin Pop | continue
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327 | 25348212 | Iustin Pop | val = all_nodes[node].primary_ip |
328 | 25348212 | Iustin Pop | else:
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329 | 25348212 | Iustin Pop | val = None
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330 | 25348212 | Iustin Pop | addr_list.append(val) |
331 | ed83f5cc | Iustin Pop | name_list.append(node) |
332 | ed83f5cc | Iustin Pop | if name_list:
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333 | ed83f5cc | Iustin Pop | client.ConnectList(name_list, address_list=addr_list) |
334 | ed83f5cc | Iustin Pop | return skip_dict
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335 | 25348212 | Iustin Pop | |
336 | 84b45587 | Iustin Pop | def _ConnectNode(self, client, node, call): |
337 | 25348212 | Iustin Pop | """Helper for computing one node's address.
|
338 | 25348212 | Iustin Pop |
|
339 | 6af6270a | Iustin Pop | @type client: L{ganeti.rpc.Client}
|
340 | 25348212 | Iustin Pop | @param client: a C{Client} instance
|
341 | 25348212 | Iustin Pop | @type node: str
|
342 | 25348212 | Iustin Pop | @param node: the node we should connect
|
343 | 84b45587 | Iustin Pop | @type call: string
|
344 | 84b45587 | Iustin Pop | @param call: the name of the remote procedure call, for filling in
|
345 | 84b45587 | Iustin Pop | correctly any eventual offline nodes' results
|
346 | 25348212 | Iustin Pop |
|
347 | 25348212 | Iustin Pop | """
|
348 | 25348212 | Iustin Pop | node_info = self._cfg.GetNodeInfo(node)
|
349 | 25348212 | Iustin Pop | if node_info is not None: |
350 | ed83f5cc | Iustin Pop | if node_info.offline:
|
351 | 84b45587 | Iustin Pop | return RpcResult(node=node, offline=True, call=call) |
352 | 25348212 | Iustin Pop | addr = node_info.primary_ip |
353 | 25348212 | Iustin Pop | else:
|
354 | 25348212 | Iustin Pop | addr = None
|
355 | 25348212 | Iustin Pop | client.ConnectNode(node, address=addr) |
356 | 25348212 | Iustin Pop | |
357 | ed83f5cc | Iustin Pop | def _MultiNodeCall(self, node_list, procedure, args): |
358 | 160e2921 | Iustin Pop | """Helper for making a multi-node call
|
359 | 160e2921 | Iustin Pop |
|
360 | 160e2921 | Iustin Pop | """
|
361 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
362 | 160e2921 | Iustin Pop | c = Client(procedure, body, self.port)
|
363 | 84b45587 | Iustin Pop | skip_dict = self._ConnectList(c, node_list, procedure)
|
364 | ed83f5cc | Iustin Pop | skip_dict.update(c.GetResults()) |
365 | ed83f5cc | Iustin Pop | return skip_dict
|
366 | 9a525d83 | Michael Hanselmann | |
367 | 9a525d83 | Michael Hanselmann | @classmethod
|
368 | 9a525d83 | Michael Hanselmann | def _StaticMultiNodeCall(cls, node_list, procedure, args, |
369 | 9a525d83 | Michael Hanselmann | address_list=None):
|
370 | 160e2921 | Iustin Pop | """Helper for making a multi-node static call
|
371 | 160e2921 | Iustin Pop |
|
372 | 160e2921 | Iustin Pop | """
|
373 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
374 | cd50653c | Guido Trotter | c = Client(procedure, body, utils.GetDaemonPort(constants.NODED)) |
375 | 9a525d83 | Michael Hanselmann | c.ConnectList(node_list, address_list=address_list) |
376 | 9a525d83 | Michael Hanselmann | return c.GetResults()
|
377 | 9a525d83 | Michael Hanselmann | |
378 | 9a525d83 | Michael Hanselmann | def _SingleNodeCall(self, node, procedure, args): |
379 | 160e2921 | Iustin Pop | """Helper for making a single-node call
|
380 | 9a525d83 | Michael Hanselmann |
|
381 | 9a525d83 | Michael Hanselmann | """
|
382 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
383 | 160e2921 | Iustin Pop | c = Client(procedure, body, self.port)
|
384 | 84b45587 | Iustin Pop | result = self._ConnectNode(c, node, procedure)
|
385 | ed83f5cc | Iustin Pop | if result is None: |
386 | ed83f5cc | Iustin Pop | # we did connect, node is not offline
|
387 | ed83f5cc | Iustin Pop | result = c.GetResults()[node] |
388 | ed83f5cc | Iustin Pop | return result
|
389 | 9a525d83 | Michael Hanselmann | |
390 | 9a525d83 | Michael Hanselmann | @classmethod
|
391 | 9a525d83 | Michael Hanselmann | def _StaticSingleNodeCall(cls, node, procedure, args): |
392 | 160e2921 | Iustin Pop | """Helper for making a single-node static call
|
393 | 9a525d83 | Michael Hanselmann |
|
394 | 9a525d83 | Michael Hanselmann | """
|
395 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
396 | cd50653c | Guido Trotter | c = Client(procedure, body, utils.GetDaemonPort(constants.NODED)) |
397 | 3097c858 | Michael Hanselmann | c.ConnectNode(node) |
398 | ed83f5cc | Iustin Pop | return c.GetResults()[node]
|
399 | 9a525d83 | Michael Hanselmann | |
400 | 12bce260 | Michael Hanselmann | @staticmethod
|
401 | 12bce260 | Michael Hanselmann | def _Compress(data): |
402 | 12bce260 | Michael Hanselmann | """Compresses a string for transport over RPC.
|
403 | 12bce260 | Michael Hanselmann |
|
404 | 12bce260 | Michael Hanselmann | Small amounts of data are not compressed.
|
405 | 12bce260 | Michael Hanselmann |
|
406 | 12bce260 | Michael Hanselmann | @type data: str
|
407 | 12bce260 | Michael Hanselmann | @param data: Data
|
408 | 12bce260 | Michael Hanselmann | @rtype: tuple
|
409 | 12bce260 | Michael Hanselmann | @return: Encoded data to send
|
410 | 12bce260 | Michael Hanselmann |
|
411 | 12bce260 | Michael Hanselmann | """
|
412 | 12bce260 | Michael Hanselmann | # Small amounts of data are not compressed
|
413 | 12bce260 | Michael Hanselmann | if len(data) < 512: |
414 | 12bce260 | Michael Hanselmann | return (constants.RPC_ENCODING_NONE, data)
|
415 | 12bce260 | Michael Hanselmann | |
416 | 12bce260 | Michael Hanselmann | # Compress with zlib and encode in base64
|
417 | 12bce260 | Michael Hanselmann | return (constants.RPC_ENCODING_ZLIB_BASE64,
|
418 | 12bce260 | Michael Hanselmann | base64.b64encode(zlib.compress(data, 3)))
|
419 | 12bce260 | Michael Hanselmann | |
420 | 781de953 | Iustin Pop | #
|
421 | 781de953 | Iustin Pop | # Begin RPC calls
|
422 | 781de953 | Iustin Pop | #
|
423 | 781de953 | Iustin Pop | |
424 | b2a6ccd4 | Iustin Pop | def call_lv_list(self, node_list, vg_name): |
425 | 72737a7f | Iustin Pop | """Gets the logical volumes present in a given volume group.
|
426 | a8083063 | Iustin Pop |
|
427 | 72737a7f | Iustin Pop | This is a multi-node call.
|
428 | a8083063 | Iustin Pop |
|
429 | 72737a7f | Iustin Pop | """
|
430 | b2a6ccd4 | Iustin Pop | return self._MultiNodeCall(node_list, "lv_list", [vg_name]) |
431 | a8083063 | Iustin Pop | |
432 | 72737a7f | Iustin Pop | def call_vg_list(self, node_list): |
433 | 72737a7f | Iustin Pop | """Gets the volume group list.
|
434 | a8083063 | Iustin Pop |
|
435 | 72737a7f | Iustin Pop | This is a multi-node call.
|
436 | a8083063 | Iustin Pop |
|
437 | 72737a7f | Iustin Pop | """
|
438 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "vg_list", []) |
439 | a8083063 | Iustin Pop | |
440 | e337de97 | Michael Hanselmann | def call_storage_list(self, node_list, su_name, su_args, name, fields): |
441 | 8979196a | Michael Hanselmann | """Get list of storage units.
|
442 | e337de97 | Michael Hanselmann |
|
443 | e337de97 | Michael Hanselmann | This is a multi-node call.
|
444 | e337de97 | Michael Hanselmann |
|
445 | e337de97 | Michael Hanselmann | """
|
446 | e337de97 | Michael Hanselmann | return self._MultiNodeCall(node_list, "storage_list", |
447 | e337de97 | Michael Hanselmann | [su_name, su_args, name, fields]) |
448 | e337de97 | Michael Hanselmann | |
449 | 8979196a | Michael Hanselmann | def call_storage_modify(self, node, su_name, su_args, name, changes): |
450 | 8979196a | Michael Hanselmann | """Modify a storage unit.
|
451 | 8979196a | Michael Hanselmann |
|
452 | 8979196a | Michael Hanselmann | This is a single-node call.
|
453 | 8979196a | Michael Hanselmann |
|
454 | 8979196a | Michael Hanselmann | """
|
455 | 8979196a | Michael Hanselmann | return self._SingleNodeCall(node, "storage_modify", |
456 | 8979196a | Michael Hanselmann | [su_name, su_args, name, changes]) |
457 | 8979196a | Michael Hanselmann | |
458 | 637b8d7e | Michael Hanselmann | def call_storage_execute(self, node, su_name, su_args, name, op): |
459 | 637b8d7e | Michael Hanselmann | """Executes an operation on a storage unit.
|
460 | 637b8d7e | Michael Hanselmann |
|
461 | 637b8d7e | Michael Hanselmann | This is a single-node call.
|
462 | 637b8d7e | Michael Hanselmann |
|
463 | 637b8d7e | Michael Hanselmann | """
|
464 | 637b8d7e | Michael Hanselmann | return self._SingleNodeCall(node, "storage_execute", |
465 | 637b8d7e | Michael Hanselmann | [su_name, su_args, name, op]) |
466 | 637b8d7e | Michael Hanselmann | |
467 | 72737a7f | Iustin Pop | def call_bridges_exist(self, node, bridges_list): |
468 | 72737a7f | Iustin Pop | """Checks if a node has all the bridges given.
|
469 | a8083063 | Iustin Pop |
|
470 | 72737a7f | Iustin Pop | This method checks if all bridges given in the bridges_list are
|
471 | 72737a7f | Iustin Pop | present on the remote node, so that an instance that uses interfaces
|
472 | 72737a7f | Iustin Pop | on those bridges can be started.
|
473 | a8083063 | Iustin Pop |
|
474 | 72737a7f | Iustin Pop | This is a single-node call.
|
475 | a8083063 | Iustin Pop |
|
476 | 72737a7f | Iustin Pop | """
|
477 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "bridges_exist", [bridges_list]) |
478 | a8083063 | Iustin Pop | |
479 | 0eca8e0c | Iustin Pop | def call_instance_start(self, node, instance, hvp, bep): |
480 | 72737a7f | Iustin Pop | """Starts an instance.
|
481 | a8083063 | Iustin Pop |
|
482 | 72737a7f | Iustin Pop | This is a single-node call.
|
483 | a8083063 | Iustin Pop |
|
484 | 72737a7f | Iustin Pop | """
|
485 | 0eca8e0c | Iustin Pop | idict = self._InstDict(instance, hvp=hvp, bep=bep)
|
486 | 0eca8e0c | Iustin Pop | return self._SingleNodeCall(node, "instance_start", [idict]) |
487 | a8083063 | Iustin Pop | |
488 | 6263189c | Guido Trotter | def call_instance_shutdown(self, node, instance, timeout): |
489 | 72737a7f | Iustin Pop | """Stops an instance.
|
490 | a8083063 | Iustin Pop |
|
491 | 72737a7f | Iustin Pop | This is a single-node call.
|
492 | 2a10865c | Iustin Pop |
|
493 | 72737a7f | Iustin Pop | """
|
494 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_shutdown", |
495 | 6263189c | Guido Trotter | [self._InstDict(instance), timeout])
|
496 | 2a10865c | Iustin Pop | |
497 | 6906a9d8 | Guido Trotter | def call_migration_info(self, node, instance): |
498 | 6906a9d8 | Guido Trotter | """Gather the information necessary to prepare an instance migration.
|
499 | 6906a9d8 | Guido Trotter |
|
500 | 6906a9d8 | Guido Trotter | This is a single-node call.
|
501 | 6906a9d8 | Guido Trotter |
|
502 | 6906a9d8 | Guido Trotter | @type node: string
|
503 | 6906a9d8 | Guido Trotter | @param node: the node on which the instance is currently running
|
504 | 6906a9d8 | Guido Trotter | @type instance: C{objects.Instance}
|
505 | 6906a9d8 | Guido Trotter | @param instance: the instance definition
|
506 | 6906a9d8 | Guido Trotter |
|
507 | 6906a9d8 | Guido Trotter | """
|
508 | 6906a9d8 | Guido Trotter | return self._SingleNodeCall(node, "migration_info", |
509 | 6906a9d8 | Guido Trotter | [self._InstDict(instance)])
|
510 | 6906a9d8 | Guido Trotter | |
511 | 6906a9d8 | Guido Trotter | def call_accept_instance(self, node, instance, info, target): |
512 | 6906a9d8 | Guido Trotter | """Prepare a node to accept an instance.
|
513 | 6906a9d8 | Guido Trotter |
|
514 | 6906a9d8 | Guido Trotter | This is a single-node call.
|
515 | 6906a9d8 | Guido Trotter |
|
516 | 6906a9d8 | Guido Trotter | @type node: string
|
517 | 6906a9d8 | Guido Trotter | @param node: the target node for the migration
|
518 | 6906a9d8 | Guido Trotter | @type instance: C{objects.Instance}
|
519 | 6906a9d8 | Guido Trotter | @param instance: the instance definition
|
520 | 6906a9d8 | Guido Trotter | @type info: opaque/hypervisor specific (string/data)
|
521 | 6906a9d8 | Guido Trotter | @param info: result for the call_migration_info call
|
522 | 6906a9d8 | Guido Trotter | @type target: string
|
523 | 6906a9d8 | Guido Trotter | @param target: target hostname (usually ip address) (on the node itself)
|
524 | 6906a9d8 | Guido Trotter |
|
525 | 6906a9d8 | Guido Trotter | """
|
526 | 6906a9d8 | Guido Trotter | return self._SingleNodeCall(node, "accept_instance", |
527 | 6906a9d8 | Guido Trotter | [self._InstDict(instance), info, target])
|
528 | 6906a9d8 | Guido Trotter | |
529 | 6906a9d8 | Guido Trotter | def call_finalize_migration(self, node, instance, info, success): |
530 | 6906a9d8 | Guido Trotter | """Finalize any target-node migration specific operation.
|
531 | 6906a9d8 | Guido Trotter |
|
532 | 6906a9d8 | Guido Trotter | This is called both in case of a successful migration and in case of error
|
533 | 6906a9d8 | Guido Trotter | (in which case it should abort the migration).
|
534 | 6906a9d8 | Guido Trotter |
|
535 | 6906a9d8 | Guido Trotter | This is a single-node call.
|
536 | 6906a9d8 | Guido Trotter |
|
537 | 6906a9d8 | Guido Trotter | @type node: string
|
538 | 6906a9d8 | Guido Trotter | @param node: the target node for the migration
|
539 | 6906a9d8 | Guido Trotter | @type instance: C{objects.Instance}
|
540 | 6906a9d8 | Guido Trotter | @param instance: the instance definition
|
541 | 6906a9d8 | Guido Trotter | @type info: opaque/hypervisor specific (string/data)
|
542 | 6906a9d8 | Guido Trotter | @param info: result for the call_migration_info call
|
543 | 6906a9d8 | Guido Trotter | @type success: boolean
|
544 | 6906a9d8 | Guido Trotter | @param success: whether the migration was a success or a failure
|
545 | 6906a9d8 | Guido Trotter |
|
546 | 6906a9d8 | Guido Trotter | """
|
547 | 6906a9d8 | Guido Trotter | return self._SingleNodeCall(node, "finalize_migration", |
548 | 6906a9d8 | Guido Trotter | [self._InstDict(instance), info, success])
|
549 | 6906a9d8 | Guido Trotter | |
550 | 72737a7f | Iustin Pop | def call_instance_migrate(self, node, instance, target, live): |
551 | 72737a7f | Iustin Pop | """Migrate an instance.
|
552 | 2a10865c | Iustin Pop |
|
553 | 72737a7f | Iustin Pop | This is a single-node call.
|
554 | 2a10865c | Iustin Pop |
|
555 | 72737a7f | Iustin Pop | @type node: string
|
556 | 72737a7f | Iustin Pop | @param node: the node on which the instance is currently running
|
557 | 72737a7f | Iustin Pop | @type instance: C{objects.Instance}
|
558 | 72737a7f | Iustin Pop | @param instance: the instance definition
|
559 | 72737a7f | Iustin Pop | @type target: string
|
560 | 72737a7f | Iustin Pop | @param target: the target node name
|
561 | 72737a7f | Iustin Pop | @type live: boolean
|
562 | 72737a7f | Iustin Pop | @param live: whether the migration should be done live or not (the
|
563 | 72737a7f | Iustin Pop | interpretation of this parameter is left to the hypervisor)
|
564 | 007a2f3e | Alexander Schreiber |
|
565 | 72737a7f | Iustin Pop | """
|
566 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_migrate", |
567 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance), target, live])
|
568 | 007a2f3e | Alexander Schreiber | |
569 | 17c3f802 | Guido Trotter | def call_instance_reboot(self, node, inst, reboot_type, shutdown_timeout): |
570 | 72737a7f | Iustin Pop | """Reboots an instance.
|
571 | 007a2f3e | Alexander Schreiber |
|
572 | 72737a7f | Iustin Pop | This is a single-node call.
|
573 | a8083063 | Iustin Pop |
|
574 | 72737a7f | Iustin Pop | """
|
575 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_reboot", |
576 | 17c3f802 | Guido Trotter | [self._InstDict(inst), reboot_type,
|
577 | 17c3f802 | Guido Trotter | shutdown_timeout]) |
578 | a8083063 | Iustin Pop | |
579 | 4a0e011f | Iustin Pop | def call_instance_os_add(self, node, inst, reinstall, debug): |
580 | 72737a7f | Iustin Pop | """Installs an OS on the given instance.
|
581 | a8083063 | Iustin Pop |
|
582 | 72737a7f | Iustin Pop | This is a single-node call.
|
583 | decd5f45 | Iustin Pop |
|
584 | 72737a7f | Iustin Pop | """
|
585 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_os_add", |
586 | 4a0e011f | Iustin Pop | [self._InstDict(inst), reinstall, debug])
|
587 | decd5f45 | Iustin Pop | |
588 | 4a0e011f | Iustin Pop | def call_instance_run_rename(self, node, inst, old_name, debug): |
589 | 72737a7f | Iustin Pop | """Run the OS rename script for an instance.
|
590 | decd5f45 | Iustin Pop |
|
591 | 72737a7f | Iustin Pop | This is a single-node call.
|
592 | a8083063 | Iustin Pop |
|
593 | 72737a7f | Iustin Pop | """
|
594 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_run_rename", |
595 | 4a0e011f | Iustin Pop | [self._InstDict(inst), old_name, debug])
|
596 | a8083063 | Iustin Pop | |
597 | 72737a7f | Iustin Pop | def call_instance_info(self, node, instance, hname): |
598 | 72737a7f | Iustin Pop | """Returns information about a single instance.
|
599 | a8083063 | Iustin Pop |
|
600 | 72737a7f | Iustin Pop | This is a single-node call.
|
601 | a8083063 | Iustin Pop |
|
602 | 9a525d83 | Michael Hanselmann | @type node: list
|
603 | 9a525d83 | Michael Hanselmann | @param node: the list of nodes to query
|
604 | 72737a7f | Iustin Pop | @type instance: string
|
605 | 72737a7f | Iustin Pop | @param instance: the instance name
|
606 | 72737a7f | Iustin Pop | @type hname: string
|
607 | 72737a7f | Iustin Pop | @param hname: the hypervisor type of the instance
|
608 | a8083063 | Iustin Pop |
|
609 | 72737a7f | Iustin Pop | """
|
610 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_info", [instance, hname]) |
611 | e69d05fd | Iustin Pop | |
612 | 56e7640c | Iustin Pop | def call_instance_migratable(self, node, instance): |
613 | 56e7640c | Iustin Pop | """Checks whether the given instance can be migrated.
|
614 | 56e7640c | Iustin Pop |
|
615 | 56e7640c | Iustin Pop | This is a single-node call.
|
616 | 56e7640c | Iustin Pop |
|
617 | 56e7640c | Iustin Pop | @param node: the node to query
|
618 | 56e7640c | Iustin Pop | @type instance: L{objects.Instance}
|
619 | 56e7640c | Iustin Pop | @param instance: the instance to check
|
620 | 56e7640c | Iustin Pop |
|
621 | 56e7640c | Iustin Pop |
|
622 | 56e7640c | Iustin Pop | """
|
623 | 56e7640c | Iustin Pop | return self._SingleNodeCall(node, "instance_migratable", |
624 | 56e7640c | Iustin Pop | [self._InstDict(instance)])
|
625 | 56e7640c | Iustin Pop | |
626 | 72737a7f | Iustin Pop | def call_all_instances_info(self, node_list, hypervisor_list): |
627 | 72737a7f | Iustin Pop | """Returns information about all instances on the given nodes.
|
628 | a8083063 | Iustin Pop |
|
629 | 72737a7f | Iustin Pop | This is a multi-node call.
|
630 | a8083063 | Iustin Pop |
|
631 | 72737a7f | Iustin Pop | @type node_list: list
|
632 | 72737a7f | Iustin Pop | @param node_list: the list of nodes to query
|
633 | 72737a7f | Iustin Pop | @type hypervisor_list: list
|
634 | 72737a7f | Iustin Pop | @param hypervisor_list: the hypervisors to query for instances
|
635 | a8083063 | Iustin Pop |
|
636 | 72737a7f | Iustin Pop | """
|
637 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "all_instances_info", |
638 | 9a525d83 | Michael Hanselmann | [hypervisor_list]) |
639 | e69d05fd | Iustin Pop | |
640 | 72737a7f | Iustin Pop | def call_instance_list(self, node_list, hypervisor_list): |
641 | 72737a7f | Iustin Pop | """Returns the list of running instances on a given node.
|
642 | a8083063 | Iustin Pop |
|
643 | 72737a7f | Iustin Pop | This is a multi-node call.
|
644 | a8083063 | Iustin Pop |
|
645 | 72737a7f | Iustin Pop | @type node_list: list
|
646 | 72737a7f | Iustin Pop | @param node_list: the list of nodes to query
|
647 | 72737a7f | Iustin Pop | @type hypervisor_list: list
|
648 | 72737a7f | Iustin Pop | @param hypervisor_list: the hypervisors to query for instances
|
649 | 16abfbc2 | Alexander Schreiber |
|
650 | 72737a7f | Iustin Pop | """
|
651 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "instance_list", [hypervisor_list]) |
652 | 16abfbc2 | Alexander Schreiber | |
653 | 72737a7f | Iustin Pop | def call_node_tcp_ping(self, node, source, target, port, timeout, |
654 | 72737a7f | Iustin Pop | live_port_needed): |
655 | 72737a7f | Iustin Pop | """Do a TcpPing on the remote node
|
656 | a8083063 | Iustin Pop |
|
657 | 72737a7f | Iustin Pop | This is a single-node call.
|
658 | caad16e2 | Iustin Pop |
|
659 | 72737a7f | Iustin Pop | """
|
660 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "node_tcp_ping", |
661 | 9a525d83 | Michael Hanselmann | [source, target, port, timeout, |
662 | 72737a7f | Iustin Pop | live_port_needed]) |
663 | a8083063 | Iustin Pop | |
664 | caad16e2 | Iustin Pop | def call_node_has_ip_address(self, node, address): |
665 | caad16e2 | Iustin Pop | """Checks if a node has the given IP address.
|
666 | caad16e2 | Iustin Pop |
|
667 | caad16e2 | Iustin Pop | This is a single-node call.
|
668 | caad16e2 | Iustin Pop |
|
669 | caad16e2 | Iustin Pop | """
|
670 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "node_has_ip_address", [address]) |
671 | a8083063 | Iustin Pop | |
672 | 72737a7f | Iustin Pop | def call_node_info(self, node_list, vg_name, hypervisor_type): |
673 | 72737a7f | Iustin Pop | """Return node information.
|
674 | e69d05fd | Iustin Pop |
|
675 | 72737a7f | Iustin Pop | This will return memory information and volume group size and free
|
676 | 72737a7f | Iustin Pop | space.
|
677 | a8083063 | Iustin Pop |
|
678 | 72737a7f | Iustin Pop | This is a multi-node call.
|
679 | a8083063 | Iustin Pop |
|
680 | 72737a7f | Iustin Pop | @type node_list: list
|
681 | 72737a7f | Iustin Pop | @param node_list: the list of nodes to query
|
682 | c41eea6e | Iustin Pop | @type vg_name: C{string}
|
683 | c41eea6e | Iustin Pop | @param vg_name: the name of the volume group to ask for disk space
|
684 | 72737a7f | Iustin Pop | information
|
685 | 72737a7f | Iustin Pop | @type hypervisor_type: C{str}
|
686 | 72737a7f | Iustin Pop | @param hypervisor_type: the name of the hypervisor to ask for
|
687 | 72737a7f | Iustin Pop | memory information
|
688 | a8083063 | Iustin Pop |
|
689 | 72737a7f | Iustin Pop | """
|
690 | 070e998b | Iustin Pop | return self._MultiNodeCall(node_list, "node_info", |
691 | 070e998b | Iustin Pop | [vg_name, hypervisor_type]) |
692 | a8083063 | Iustin Pop | |
693 | 72737a7f | Iustin Pop | def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub): |
694 | 72737a7f | Iustin Pop | """Add a node to the cluster.
|
695 | a8083063 | Iustin Pop |
|
696 | 72737a7f | Iustin Pop | This is a single-node call.
|
697 | a8083063 | Iustin Pop |
|
698 | 72737a7f | Iustin Pop | """
|
699 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "node_add", |
700 | 9a525d83 | Michael Hanselmann | [dsa, dsapub, rsa, rsapub, ssh, sshpub]) |
701 | a8083063 | Iustin Pop | |
702 | 72737a7f | Iustin Pop | def call_node_verify(self, node_list, checkdict, cluster_name): |
703 | 72737a7f | Iustin Pop | """Request verification of given parameters.
|
704 | a8083063 | Iustin Pop |
|
705 | 72737a7f | Iustin Pop | This is a multi-node call.
|
706 | a8083063 | Iustin Pop |
|
707 | 72737a7f | Iustin Pop | """
|
708 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "node_verify", |
709 | 9a525d83 | Michael Hanselmann | [checkdict, cluster_name]) |
710 | a8083063 | Iustin Pop | |
711 | 9a525d83 | Michael Hanselmann | @classmethod
|
712 | 3583908a | Guido Trotter | def call_node_start_master(cls, node, start_daemons, no_voting): |
713 | 72737a7f | Iustin Pop | """Tells a node to activate itself as a master.
|
714 | a8083063 | Iustin Pop |
|
715 | 72737a7f | Iustin Pop | This is a single-node call.
|
716 | a8083063 | Iustin Pop |
|
717 | 72737a7f | Iustin Pop | """
|
718 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "node_start_master", |
719 | 3583908a | Guido Trotter | [start_daemons, no_voting]) |
720 | a8083063 | Iustin Pop | |
721 | 9a525d83 | Michael Hanselmann | @classmethod
|
722 | 9a525d83 | Michael Hanselmann | def call_node_stop_master(cls, node, stop_daemons): |
723 | 72737a7f | Iustin Pop | """Tells a node to demote itself from master status.
|
724 | a8083063 | Iustin Pop |
|
725 | 72737a7f | Iustin Pop | This is a single-node call.
|
726 | 4e071d3b | Iustin Pop |
|
727 | 72737a7f | Iustin Pop | """
|
728 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "node_stop_master", [stop_daemons]) |
729 | 4e071d3b | Iustin Pop | |
730 | 9a525d83 | Michael Hanselmann | @classmethod
|
731 | 9a525d83 | Michael Hanselmann | def call_master_info(cls, node_list): |
732 | 72737a7f | Iustin Pop | """Query master info.
|
733 | 4e071d3b | Iustin Pop |
|
734 | 72737a7f | Iustin Pop | This is a multi-node call.
|
735 | a8083063 | Iustin Pop |
|
736 | 72737a7f | Iustin Pop | """
|
737 | 72737a7f | Iustin Pop | # TODO: should this method query down nodes?
|
738 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "master_info", []) |
739 | a8083063 | Iustin Pop | |
740 | 8f215968 | Michael Hanselmann | @classmethod
|
741 | 8f215968 | Michael Hanselmann | def call_version(cls, node_list): |
742 | 72737a7f | Iustin Pop | """Query node version.
|
743 | a8083063 | Iustin Pop |
|
744 | 72737a7f | Iustin Pop | This is a multi-node call.
|
745 | a8083063 | Iustin Pop |
|
746 | 72737a7f | Iustin Pop | """
|
747 | 8f215968 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "version", []) |
748 | a8083063 | Iustin Pop | |
749 | 72737a7f | Iustin Pop | def call_blockdev_create(self, node, bdev, size, owner, on_primary, info): |
750 | 72737a7f | Iustin Pop | """Request creation of a given block device.
|
751 | a8083063 | Iustin Pop |
|
752 | 72737a7f | Iustin Pop | This is a single-node call.
|
753 | a8083063 | Iustin Pop |
|
754 | 72737a7f | Iustin Pop | """
|
755 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_create", |
756 | 9a525d83 | Michael Hanselmann | [bdev.ToDict(), size, owner, on_primary, info]) |
757 | a8083063 | Iustin Pop | |
758 | 72737a7f | Iustin Pop | def call_blockdev_remove(self, node, bdev): |
759 | 72737a7f | Iustin Pop | """Request removal of a given block device.
|
760 | a8083063 | Iustin Pop |
|
761 | 72737a7f | Iustin Pop | This is a single-node call.
|
762 | f3e513ad | Iustin Pop |
|
763 | 72737a7f | Iustin Pop | """
|
764 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_remove", [bdev.ToDict()]) |
765 | f3e513ad | Iustin Pop | |
766 | 72737a7f | Iustin Pop | def call_blockdev_rename(self, node, devlist): |
767 | 72737a7f | Iustin Pop | """Request rename of the given block devices.
|
768 | f3e513ad | Iustin Pop |
|
769 | 72737a7f | Iustin Pop | This is a single-node call.
|
770 | a8083063 | Iustin Pop |
|
771 | 72737a7f | Iustin Pop | """
|
772 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_rename", |
773 | 9a525d83 | Michael Hanselmann | [(d.ToDict(), uid) for d, uid in devlist]) |
774 | a8083063 | Iustin Pop | |
775 | 72737a7f | Iustin Pop | def call_blockdev_assemble(self, node, disk, owner, on_primary): |
776 | 72737a7f | Iustin Pop | """Request assembling of a given block device.
|
777 | a8083063 | Iustin Pop |
|
778 | 72737a7f | Iustin Pop | This is a single-node call.
|
779 | a8083063 | Iustin Pop |
|
780 | 72737a7f | Iustin Pop | """
|
781 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_assemble", |
782 | 9a525d83 | Michael Hanselmann | [disk.ToDict(), owner, on_primary]) |
783 | a8083063 | Iustin Pop | |
784 | 72737a7f | Iustin Pop | def call_blockdev_shutdown(self, node, disk): |
785 | 72737a7f | Iustin Pop | """Request shutdown of a given block device.
|
786 | a8083063 | Iustin Pop |
|
787 | 72737a7f | Iustin Pop | This is a single-node call.
|
788 | a8083063 | Iustin Pop |
|
789 | 72737a7f | Iustin Pop | """
|
790 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_shutdown", [disk.ToDict()]) |
791 | a8083063 | Iustin Pop | |
792 | 72737a7f | Iustin Pop | def call_blockdev_addchildren(self, node, bdev, ndevs): |
793 | 72737a7f | Iustin Pop | """Request adding a list of children to a (mirroring) device.
|
794 | a8083063 | Iustin Pop |
|
795 | 72737a7f | Iustin Pop | This is a single-node call.
|
796 | a8083063 | Iustin Pop |
|
797 | 72737a7f | Iustin Pop | """
|
798 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_addchildren", |
799 | 9a525d83 | Michael Hanselmann | [bdev.ToDict(), |
800 | 9a525d83 | Michael Hanselmann | [disk.ToDict() for disk in ndevs]]) |
801 | a8083063 | Iustin Pop | |
802 | 72737a7f | Iustin Pop | def call_blockdev_removechildren(self, node, bdev, ndevs): |
803 | 72737a7f | Iustin Pop | """Request removing a list of children from a (mirroring) device.
|
804 | a8083063 | Iustin Pop |
|
805 | 72737a7f | Iustin Pop | This is a single-node call.
|
806 | a8083063 | Iustin Pop |
|
807 | 72737a7f | Iustin Pop | """
|
808 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_removechildren", |
809 | 9a525d83 | Michael Hanselmann | [bdev.ToDict(), |
810 | 9a525d83 | Michael Hanselmann | [disk.ToDict() for disk in ndevs]]) |
811 | a8083063 | Iustin Pop | |
812 | 72737a7f | Iustin Pop | def call_blockdev_getmirrorstatus(self, node, disks): |
813 | 72737a7f | Iustin Pop | """Request status of a (mirroring) device.
|
814 | a8083063 | Iustin Pop |
|
815 | 72737a7f | Iustin Pop | This is a single-node call.
|
816 | a8083063 | Iustin Pop |
|
817 | 72737a7f | Iustin Pop | """
|
818 | 36145b12 | Michael Hanselmann | result = self._SingleNodeCall(node, "blockdev_getmirrorstatus", |
819 | 36145b12 | Michael Hanselmann | [dsk.ToDict() for dsk in disks]) |
820 | edb4b374 | Michael Hanselmann | if not result.fail_msg: |
821 | 36145b12 | Michael Hanselmann | result.payload = [objects.BlockDevStatus.FromDict(i) |
822 | 36145b12 | Michael Hanselmann | for i in result.payload] |
823 | 36145b12 | Michael Hanselmann | return result
|
824 | a8083063 | Iustin Pop | |
825 | 72737a7f | Iustin Pop | def call_blockdev_find(self, node, disk): |
826 | 72737a7f | Iustin Pop | """Request identification of a given block device.
|
827 | 72737a7f | Iustin Pop |
|
828 | 72737a7f | Iustin Pop | This is a single-node call.
|
829 | a8083063 | Iustin Pop |
|
830 | 72737a7f | Iustin Pop | """
|
831 | 96acbc09 | Michael Hanselmann | result = self._SingleNodeCall(node, "blockdev_find", [disk.ToDict()]) |
832 | edb4b374 | Michael Hanselmann | if not result.fail_msg and result.payload is not None: |
833 | 96acbc09 | Michael Hanselmann | result.payload = objects.BlockDevStatus.FromDict(result.payload) |
834 | 96acbc09 | Michael Hanselmann | return result
|
835 | d61cbe76 | Iustin Pop | |
836 | b2e7666a | Iustin Pop | def call_blockdev_close(self, node, instance_name, disks): |
837 | 72737a7f | Iustin Pop | """Closes the given block devices.
|
838 | d61cbe76 | Iustin Pop |
|
839 | 72737a7f | Iustin Pop | This is a single-node call.
|
840 | d61cbe76 | Iustin Pop |
|
841 | 72737a7f | Iustin Pop | """
|
842 | b2e7666a | Iustin Pop | params = [instance_name, [cf.ToDict() for cf in disks]] |
843 | b2e7666a | Iustin Pop | return self._SingleNodeCall(node, "blockdev_close", params) |
844 | a8083063 | Iustin Pop | |
845 | 968a7623 | Iustin Pop | def call_blockdev_getsizes(self, node, disks): |
846 | 968a7623 | Iustin Pop | """Returns the size of the given disks.
|
847 | 968a7623 | Iustin Pop |
|
848 | 968a7623 | Iustin Pop | This is a single-node call.
|
849 | 968a7623 | Iustin Pop |
|
850 | 968a7623 | Iustin Pop | """
|
851 | 968a7623 | Iustin Pop | params = [[cf.ToDict() for cf in disks]] |
852 | 968a7623 | Iustin Pop | return self._SingleNodeCall(node, "blockdev_getsize", params) |
853 | 968a7623 | Iustin Pop | |
854 | 6b93ec9d | Iustin Pop | def call_drbd_disconnect_net(self, node_list, nodes_ip, disks): |
855 | 6b93ec9d | Iustin Pop | """Disconnects the network of the given drbd devices.
|
856 | 6b93ec9d | Iustin Pop |
|
857 | 6b93ec9d | Iustin Pop | This is a multi-node call.
|
858 | 6b93ec9d | Iustin Pop |
|
859 | 6b93ec9d | Iustin Pop | """
|
860 | 6b93ec9d | Iustin Pop | return self._MultiNodeCall(node_list, "drbd_disconnect_net", |
861 | 6b93ec9d | Iustin Pop | [nodes_ip, [cf.ToDict() for cf in disks]]) |
862 | 6b93ec9d | Iustin Pop | |
863 | 6b93ec9d | Iustin Pop | def call_drbd_attach_net(self, node_list, nodes_ip, |
864 | 6b93ec9d | Iustin Pop | disks, instance_name, multimaster): |
865 | 6b93ec9d | Iustin Pop | """Disconnects the given drbd devices.
|
866 | 6b93ec9d | Iustin Pop |
|
867 | 6b93ec9d | Iustin Pop | This is a multi-node call.
|
868 | 6b93ec9d | Iustin Pop |
|
869 | 6b93ec9d | Iustin Pop | """
|
870 | 6b93ec9d | Iustin Pop | return self._MultiNodeCall(node_list, "drbd_attach_net", |
871 | 6b93ec9d | Iustin Pop | [nodes_ip, [cf.ToDict() for cf in disks], |
872 | 6b93ec9d | Iustin Pop | instance_name, multimaster]) |
873 | 6b93ec9d | Iustin Pop | |
874 | 6b93ec9d | Iustin Pop | def call_drbd_wait_sync(self, node_list, nodes_ip, disks): |
875 | 6b93ec9d | Iustin Pop | """Waits for the synchronization of drbd devices is complete.
|
876 | 6b93ec9d | Iustin Pop |
|
877 | 6b93ec9d | Iustin Pop | This is a multi-node call.
|
878 | 6b93ec9d | Iustin Pop |
|
879 | 6b93ec9d | Iustin Pop | """
|
880 | 6b93ec9d | Iustin Pop | return self._MultiNodeCall(node_list, "drbd_wait_sync", |
881 | 6b93ec9d | Iustin Pop | [nodes_ip, [cf.ToDict() for cf in disks]]) |
882 | 6b93ec9d | Iustin Pop | |
883 | 9a525d83 | Michael Hanselmann | @classmethod
|
884 | 9a525d83 | Michael Hanselmann | def call_upload_file(cls, node_list, file_name, address_list=None): |
885 | 72737a7f | Iustin Pop | """Upload a file.
|
886 | 72737a7f | Iustin Pop |
|
887 | 72737a7f | Iustin Pop | The node will refuse the operation in case the file is not on the
|
888 | 72737a7f | Iustin Pop | approved file list.
|
889 | 72737a7f | Iustin Pop |
|
890 | 72737a7f | Iustin Pop | This is a multi-node call.
|
891 | a8083063 | Iustin Pop |
|
892 | 6b294c53 | Iustin Pop | @type node_list: list
|
893 | 6b294c53 | Iustin Pop | @param node_list: the list of node names to upload to
|
894 | 6b294c53 | Iustin Pop | @type file_name: str
|
895 | 6b294c53 | Iustin Pop | @param file_name: the filename to upload
|
896 | 6b294c53 | Iustin Pop | @type address_list: list or None
|
897 | 6b294c53 | Iustin Pop | @keyword address_list: an optional list of node addresses, in order
|
898 | 6b294c53 | Iustin Pop | to optimize the RPC speed
|
899 | 6b294c53 | Iustin Pop |
|
900 | 72737a7f | Iustin Pop | """
|
901 | 12bce260 | Michael Hanselmann | file_contents = utils.ReadFile(file_name) |
902 | 12bce260 | Michael Hanselmann | data = cls._Compress(file_contents) |
903 | 72737a7f | Iustin Pop | st = os.stat(file_name) |
904 | 72737a7f | Iustin Pop | params = [file_name, data, st.st_mode, st.st_uid, st.st_gid, |
905 | 72737a7f | Iustin Pop | st.st_atime, st.st_mtime] |
906 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "upload_file", params, |
907 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
908 | 72737a7f | Iustin Pop | |
909 | 6ddc95ec | Michael Hanselmann | @classmethod
|
910 | 03d1dba2 | Michael Hanselmann | def call_write_ssconf_files(cls, node_list, values): |
911 | 6ddc95ec | Michael Hanselmann | """Write ssconf files.
|
912 | 6ddc95ec | Michael Hanselmann |
|
913 | 6ddc95ec | Michael Hanselmann | This is a multi-node call.
|
914 | 6ddc95ec | Michael Hanselmann |
|
915 | 6ddc95ec | Michael Hanselmann | """
|
916 | 03d1dba2 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "write_ssconf_files", [values]) |
917 | 6ddc95ec | Michael Hanselmann | |
918 | 72737a7f | Iustin Pop | def call_os_diagnose(self, node_list): |
919 | 72737a7f | Iustin Pop | """Request a diagnose of OS definitions.
|
920 | 72737a7f | Iustin Pop |
|
921 | 72737a7f | Iustin Pop | This is a multi-node call.
|
922 | a8083063 | Iustin Pop |
|
923 | 72737a7f | Iustin Pop | """
|
924 | 83d92ad8 | Iustin Pop | return self._MultiNodeCall(node_list, "os_diagnose", []) |
925 | a8083063 | Iustin Pop | |
926 | 72737a7f | Iustin Pop | def call_os_get(self, node, name): |
927 | 72737a7f | Iustin Pop | """Returns an OS definition.
|
928 | a8083063 | Iustin Pop |
|
929 | 72737a7f | Iustin Pop | This is a single-node call.
|
930 | a8083063 | Iustin Pop |
|
931 | 72737a7f | Iustin Pop | """
|
932 | 9a525d83 | Michael Hanselmann | result = self._SingleNodeCall(node, "os_get", [name]) |
933 | 84e3f66f | Guido Trotter | if not result.fail_msg and isinstance(result.payload, dict): |
934 | 84e3f66f | Guido Trotter | result.payload = objects.OS.FromDict(result.payload) |
935 | 781de953 | Iustin Pop | return result
|
936 | a8083063 | Iustin Pop | |
937 | 72737a7f | Iustin Pop | def call_hooks_runner(self, node_list, hpath, phase, env): |
938 | 72737a7f | Iustin Pop | """Call the hooks runner.
|
939 | a8083063 | Iustin Pop |
|
940 | 72737a7f | Iustin Pop | Args:
|
941 | 72737a7f | Iustin Pop | - op: the OpCode instance
|
942 | 72737a7f | Iustin Pop | - env: a dictionary with the environment
|
943 | a8083063 | Iustin Pop |
|
944 | 72737a7f | Iustin Pop | This is a multi-node call.
|
945 | a8083063 | Iustin Pop |
|
946 | 72737a7f | Iustin Pop | """
|
947 | 72737a7f | Iustin Pop | params = [hpath, phase, env] |
948 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "hooks_runner", params) |
949 | a8083063 | Iustin Pop | |
950 | 72737a7f | Iustin Pop | def call_iallocator_runner(self, node, name, idata): |
951 | 72737a7f | Iustin Pop | """Call an iallocator on a remote node
|
952 | 8d528b7c | Iustin Pop |
|
953 | 72737a7f | Iustin Pop | Args:
|
954 | 72737a7f | Iustin Pop | - name: the iallocator name
|
955 | 72737a7f | Iustin Pop | - input: the json-encoded input string
|
956 | 8d528b7c | Iustin Pop |
|
957 | 72737a7f | Iustin Pop | This is a single-node call.
|
958 | 8d528b7c | Iustin Pop |
|
959 | 72737a7f | Iustin Pop | """
|
960 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "iallocator_runner", [name, idata]) |
961 | 8d528b7c | Iustin Pop | |
962 | 72737a7f | Iustin Pop | def call_blockdev_grow(self, node, cf_bdev, amount): |
963 | 72737a7f | Iustin Pop | """Request a snapshot of the given block device.
|
964 | 4c8ba8b3 | Iustin Pop |
|
965 | 72737a7f | Iustin Pop | This is a single-node call.
|
966 | 4c8ba8b3 | Iustin Pop |
|
967 | 72737a7f | Iustin Pop | """
|
968 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_grow", |
969 | 9a525d83 | Michael Hanselmann | [cf_bdev.ToDict(), amount]) |
970 | 4c8ba8b3 | Iustin Pop | |
971 | 858f3d18 | Iustin Pop | def call_blockdev_export(self, node, cf_bdev, |
972 | 858f3d18 | Iustin Pop | dest_node, dest_path, cluster_name): |
973 | 858f3d18 | Iustin Pop | """Export a given disk to another node.
|
974 | 858f3d18 | Iustin Pop |
|
975 | 858f3d18 | Iustin Pop | This is a single-node call.
|
976 | 858f3d18 | Iustin Pop |
|
977 | 858f3d18 | Iustin Pop | """
|
978 | 858f3d18 | Iustin Pop | return self._SingleNodeCall(node, "blockdev_export", |
979 | 858f3d18 | Iustin Pop | [cf_bdev.ToDict(), dest_node, dest_path, |
980 | 858f3d18 | Iustin Pop | cluster_name]) |
981 | 858f3d18 | Iustin Pop | |
982 | 72737a7f | Iustin Pop | def call_blockdev_snapshot(self, node, cf_bdev): |
983 | 72737a7f | Iustin Pop | """Request a snapshot of the given block device.
|
984 | a8083063 | Iustin Pop |
|
985 | 72737a7f | Iustin Pop | This is a single-node call.
|
986 | a8083063 | Iustin Pop |
|
987 | 72737a7f | Iustin Pop | """
|
988 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_snapshot", [cf_bdev.ToDict()]) |
989 | a8083063 | Iustin Pop | |
990 | 72737a7f | Iustin Pop | def call_snapshot_export(self, node, snap_bdev, dest_node, instance, |
991 | 4a0e011f | Iustin Pop | cluster_name, idx, debug): |
992 | 72737a7f | Iustin Pop | """Request the export of a given snapshot.
|
993 | a8083063 | Iustin Pop |
|
994 | 72737a7f | Iustin Pop | This is a single-node call.
|
995 | a8083063 | Iustin Pop |
|
996 | 72737a7f | Iustin Pop | """
|
997 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "snapshot_export", |
998 | 9a525d83 | Michael Hanselmann | [snap_bdev.ToDict(), dest_node, |
999 | 4a0e011f | Iustin Pop | self._InstDict(instance), cluster_name,
|
1000 | 4a0e011f | Iustin Pop | idx, debug]) |
1001 | a8083063 | Iustin Pop | |
1002 | 72737a7f | Iustin Pop | def call_finalize_export(self, node, instance, snap_disks): |
1003 | 72737a7f | Iustin Pop | """Request the completion of an export operation.
|
1004 | a8083063 | Iustin Pop |
|
1005 | 72737a7f | Iustin Pop | This writes the export config file, etc.
|
1006 | a8083063 | Iustin Pop |
|
1007 | 72737a7f | Iustin Pop | This is a single-node call.
|
1008 | a8083063 | Iustin Pop |
|
1009 | 72737a7f | Iustin Pop | """
|
1010 | 72737a7f | Iustin Pop | flat_disks = [] |
1011 | 72737a7f | Iustin Pop | for disk in snap_disks: |
1012 | a97da6b7 | Iustin Pop | if isinstance(disk, bool): |
1013 | a97da6b7 | Iustin Pop | flat_disks.append(disk) |
1014 | a97da6b7 | Iustin Pop | else:
|
1015 | a97da6b7 | Iustin Pop | flat_disks.append(disk.ToDict()) |
1016 | 9a525d83 | Michael Hanselmann | |
1017 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "finalize_export", |
1018 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance), flat_disks])
|
1019 | a8083063 | Iustin Pop | |
1020 | 72737a7f | Iustin Pop | def call_export_info(self, node, path): |
1021 | 72737a7f | Iustin Pop | """Queries the export information in a given path.
|
1022 | a8083063 | Iustin Pop |
|
1023 | 72737a7f | Iustin Pop | This is a single-node call.
|
1024 | a8083063 | Iustin Pop |
|
1025 | 72737a7f | Iustin Pop | """
|
1026 | 3eccac06 | Iustin Pop | return self._SingleNodeCall(node, "export_info", [path]) |
1027 | a8083063 | Iustin Pop | |
1028 | 6c0af70e | Guido Trotter | def call_instance_os_import(self, node, inst, src_node, src_images, |
1029 | 4a0e011f | Iustin Pop | cluster_name, debug): |
1030 | 72737a7f | Iustin Pop | """Request the import of a backup into an instance.
|
1031 | a8083063 | Iustin Pop |
|
1032 | 72737a7f | Iustin Pop | This is a single-node call.
|
1033 | a8083063 | Iustin Pop |
|
1034 | 72737a7f | Iustin Pop | """
|
1035 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_os_import", |
1036 | 9a525d83 | Michael Hanselmann | [self._InstDict(inst), src_node, src_images,
|
1037 | 4a0e011f | Iustin Pop | cluster_name, debug]) |
1038 | a8083063 | Iustin Pop | |
1039 | 72737a7f | Iustin Pop | def call_export_list(self, node_list): |
1040 | 72737a7f | Iustin Pop | """Gets the stored exports list.
|
1041 | a8083063 | Iustin Pop |
|
1042 | 72737a7f | Iustin Pop | This is a multi-node call.
|
1043 | a8083063 | Iustin Pop |
|
1044 | 72737a7f | Iustin Pop | """
|
1045 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "export_list", []) |
1046 | a8083063 | Iustin Pop | |
1047 | 72737a7f | Iustin Pop | def call_export_remove(self, node, export): |
1048 | 72737a7f | Iustin Pop | """Requests removal of a given export.
|
1049 | a8083063 | Iustin Pop |
|
1050 | 72737a7f | Iustin Pop | This is a single-node call.
|
1051 | a8083063 | Iustin Pop |
|
1052 | 72737a7f | Iustin Pop | """
|
1053 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "export_remove", [export]) |
1054 | a8083063 | Iustin Pop | |
1055 | 9a525d83 | Michael Hanselmann | @classmethod
|
1056 | b989b9d9 | Ken Wehr | def call_node_leave_cluster(cls, node, modify_ssh_setup): |
1057 | 72737a7f | Iustin Pop | """Requests a node to clean the cluster information it has.
|
1058 | a8083063 | Iustin Pop |
|
1059 | 72737a7f | Iustin Pop | This will remove the configuration information from the ganeti data
|
1060 | 72737a7f | Iustin Pop | dir.
|
1061 | a8083063 | Iustin Pop |
|
1062 | 72737a7f | Iustin Pop | This is a single-node call.
|
1063 | a8083063 | Iustin Pop |
|
1064 | 72737a7f | Iustin Pop | """
|
1065 | b989b9d9 | Ken Wehr | return cls._StaticSingleNodeCall(node, "node_leave_cluster", |
1066 | b989b9d9 | Ken Wehr | [modify_ssh_setup]) |
1067 | dcb93971 | Michael Hanselmann | |
1068 | 72737a7f | Iustin Pop | def call_node_volumes(self, node_list): |
1069 | 72737a7f | Iustin Pop | """Gets all volumes on node(s).
|
1070 | dcb93971 | Michael Hanselmann |
|
1071 | 72737a7f | Iustin Pop | This is a multi-node call.
|
1072 | dcb93971 | Michael Hanselmann |
|
1073 | 72737a7f | Iustin Pop | """
|
1074 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "node_volumes", []) |
1075 | 06009e27 | Iustin Pop | |
1076 | 56aa9fd5 | Iustin Pop | def call_node_demote_from_mc(self, node): |
1077 | 56aa9fd5 | Iustin Pop | """Demote a node from the master candidate role.
|
1078 | 56aa9fd5 | Iustin Pop |
|
1079 | 56aa9fd5 | Iustin Pop | This is a single-node call.
|
1080 | 56aa9fd5 | Iustin Pop |
|
1081 | 56aa9fd5 | Iustin Pop | """
|
1082 | 56aa9fd5 | Iustin Pop | return self._SingleNodeCall(node, "node_demote_from_mc", []) |
1083 | 56aa9fd5 | Iustin Pop | |
1084 | f5118ade | Iustin Pop | |
1085 | f5118ade | Iustin Pop | def call_node_powercycle(self, node, hypervisor): |
1086 | f5118ade | Iustin Pop | """Tries to powercycle a node.
|
1087 | f5118ade | Iustin Pop |
|
1088 | f5118ade | Iustin Pop | This is a single-node call.
|
1089 | f5118ade | Iustin Pop |
|
1090 | f5118ade | Iustin Pop | """
|
1091 | f5118ade | Iustin Pop | return self._SingleNodeCall(node, "node_powercycle", [hypervisor]) |
1092 | f5118ade | Iustin Pop | |
1093 | f5118ade | Iustin Pop | |
1094 | 72737a7f | Iustin Pop | def call_test_delay(self, node_list, duration): |
1095 | 72737a7f | Iustin Pop | """Sleep for a fixed time on given node(s).
|
1096 | 06009e27 | Iustin Pop |
|
1097 | 72737a7f | Iustin Pop | This is a multi-node call.
|
1098 | 06009e27 | Iustin Pop |
|
1099 | 72737a7f | Iustin Pop | """
|
1100 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "test_delay", [duration]) |
1101 | 5e04ed8b | Manuel Franceschini | |
1102 | 72737a7f | Iustin Pop | def call_file_storage_dir_create(self, node, file_storage_dir): |
1103 | 72737a7f | Iustin Pop | """Create the given file storage directory.
|
1104 | 5e04ed8b | Manuel Franceschini |
|
1105 | 72737a7f | Iustin Pop | This is a single-node call.
|
1106 | 5e04ed8b | Manuel Franceschini |
|
1107 | 72737a7f | Iustin Pop | """
|
1108 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "file_storage_dir_create", |
1109 | 9a525d83 | Michael Hanselmann | [file_storage_dir]) |
1110 | 5e04ed8b | Manuel Franceschini | |
1111 | 72737a7f | Iustin Pop | def call_file_storage_dir_remove(self, node, file_storage_dir): |
1112 | 72737a7f | Iustin Pop | """Remove the given file storage directory.
|
1113 | 5e04ed8b | Manuel Franceschini |
|
1114 | 72737a7f | Iustin Pop | This is a single-node call.
|
1115 | 5e04ed8b | Manuel Franceschini |
|
1116 | 72737a7f | Iustin Pop | """
|
1117 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "file_storage_dir_remove", |
1118 | 9a525d83 | Michael Hanselmann | [file_storage_dir]) |
1119 | 5e04ed8b | Manuel Franceschini | |
1120 | 72737a7f | Iustin Pop | def call_file_storage_dir_rename(self, node, old_file_storage_dir, |
1121 | 72737a7f | Iustin Pop | new_file_storage_dir): |
1122 | 72737a7f | Iustin Pop | """Rename file storage directory.
|
1123 | 5e04ed8b | Manuel Franceschini |
|
1124 | 72737a7f | Iustin Pop | This is a single-node call.
|
1125 | 5e04ed8b | Manuel Franceschini |
|
1126 | 72737a7f | Iustin Pop | """
|
1127 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "file_storage_dir_rename", |
1128 | 9a525d83 | Michael Hanselmann | [old_file_storage_dir, new_file_storage_dir]) |
1129 | ca52cdeb | Michael Hanselmann | |
1130 | 9a525d83 | Michael Hanselmann | @classmethod
|
1131 | 9a525d83 | Michael Hanselmann | def call_jobqueue_update(cls, node_list, address_list, file_name, content): |
1132 | 72737a7f | Iustin Pop | """Update job queue.
|
1133 | ca52cdeb | Michael Hanselmann |
|
1134 | 72737a7f | Iustin Pop | This is a multi-node call.
|
1135 | ca52cdeb | Michael Hanselmann |
|
1136 | 72737a7f | Iustin Pop | """
|
1137 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "jobqueue_update", |
1138 | 12bce260 | Michael Hanselmann | [file_name, cls._Compress(content)], |
1139 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
1140 | ca52cdeb | Michael Hanselmann | |
1141 | 9a525d83 | Michael Hanselmann | @classmethod
|
1142 | 9a525d83 | Michael Hanselmann | def call_jobqueue_purge(cls, node): |
1143 | 72737a7f | Iustin Pop | """Purge job queue.
|
1144 | ca52cdeb | Michael Hanselmann |
|
1145 | 72737a7f | Iustin Pop | This is a single-node call.
|
1146 | ca52cdeb | Michael Hanselmann |
|
1147 | 72737a7f | Iustin Pop | """
|
1148 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "jobqueue_purge", []) |
1149 | af5ebcb1 | Michael Hanselmann | |
1150 | 9a525d83 | Michael Hanselmann | @classmethod
|
1151 | dd875d32 | Michael Hanselmann | def call_jobqueue_rename(cls, node_list, address_list, rename): |
1152 | 72737a7f | Iustin Pop | """Rename a job queue file.
|
1153 | af5ebcb1 | Michael Hanselmann |
|
1154 | 72737a7f | Iustin Pop | This is a multi-node call.
|
1155 | af5ebcb1 | Michael Hanselmann |
|
1156 | 72737a7f | Iustin Pop | """
|
1157 | dd875d32 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "jobqueue_rename", rename, |
1158 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
1159 | 6217e295 | Iustin Pop | |
1160 | 9a525d83 | Michael Hanselmann | @classmethod
|
1161 | 9a525d83 | Michael Hanselmann | def call_jobqueue_set_drain(cls, node_list, drain_flag): |
1162 | 5d672980 | Iustin Pop | """Set the drain flag on the queue.
|
1163 | 5d672980 | Iustin Pop |
|
1164 | 5d672980 | Iustin Pop | This is a multi-node call.
|
1165 | 5d672980 | Iustin Pop |
|
1166 | 5d672980 | Iustin Pop | @type node_list: list
|
1167 | 5d672980 | Iustin Pop | @param node_list: the list of nodes to query
|
1168 | 5d672980 | Iustin Pop | @type drain_flag: bool
|
1169 | 5d672980 | Iustin Pop | @param drain_flag: if True, will set the drain flag, otherwise reset it.
|
1170 | 5d672980 | Iustin Pop |
|
1171 | 5d672980 | Iustin Pop | """
|
1172 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "jobqueue_set_drain", |
1173 | 9a525d83 | Michael Hanselmann | [drain_flag]) |
1174 | 5d672980 | Iustin Pop | |
1175 | 6217e295 | Iustin Pop | def call_hypervisor_validate_params(self, node_list, hvname, hvparams): |
1176 | 6217e295 | Iustin Pop | """Validate the hypervisor params.
|
1177 | 6217e295 | Iustin Pop |
|
1178 | 6217e295 | Iustin Pop | This is a multi-node call.
|
1179 | 6217e295 | Iustin Pop |
|
1180 | 6217e295 | Iustin Pop | @type node_list: list
|
1181 | 6217e295 | Iustin Pop | @param node_list: the list of nodes to query
|
1182 | 6217e295 | Iustin Pop | @type hvname: string
|
1183 | 6217e295 | Iustin Pop | @param hvname: the hypervisor name
|
1184 | 6217e295 | Iustin Pop | @type hvparams: dict
|
1185 | 6217e295 | Iustin Pop | @param hvparams: the hypervisor parameters to be validated
|
1186 | 6217e295 | Iustin Pop |
|
1187 | 6217e295 | Iustin Pop | """
|
1188 | 6217e295 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
|
1189 | abe609b2 | Guido Trotter | hv_full = objects.FillDict(cluster.hvparams.get(hvname, {}), hvparams) |
1190 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "hypervisor_validate_params", |
1191 | 9a525d83 | Michael Hanselmann | [hvname, hv_full]) |