root / lib / rpc.py @ 5661b908
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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 | 81010134 | Iustin Pop | import socket |
35 | 58b311ca | Iustin Pop | import logging |
36 | 12bce260 | Michael Hanselmann | import zlib |
37 | 12bce260 | Michael Hanselmann | import base64 |
38 | a8083063 | Iustin Pop | |
39 | a8083063 | Iustin Pop | from ganeti import utils |
40 | a8083063 | Iustin Pop | from ganeti import objects |
41 | ecfe9491 | Michael Hanselmann | from ganeti import http |
42 | 7c28c575 | Michael Hanselmann | from ganeti import serializer |
43 | eafd8762 | Michael Hanselmann | from ganeti import constants |
44 | 781de953 | Iustin Pop | from ganeti import errors |
45 | a8083063 | Iustin Pop | |
46 | ae88ef45 | Michael Hanselmann | import ganeti.http.client |
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 | 4331f6cd | Michael Hanselmann | global _http_manager
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60 | 4331f6cd | Michael Hanselmann | |
61 | 4331f6cd | Michael Hanselmann | assert not _http_manager, "RPC module initialized more than once" |
62 | 4331f6cd | Michael Hanselmann | |
63 | ae88ef45 | Michael Hanselmann | _http_manager = http.client.HttpClientManager() |
64 | 4331f6cd | Michael Hanselmann | |
65 | 4331f6cd | Michael Hanselmann | |
66 | 4331f6cd | Michael Hanselmann | def Shutdown(): |
67 | 4331f6cd | Michael Hanselmann | """Stops the module-global HTTP client manager.
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68 | 4331f6cd | Michael Hanselmann |
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69 | 4331f6cd | Michael Hanselmann | Must be called before quitting the program.
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70 | 4331f6cd | Michael Hanselmann |
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71 | 4331f6cd | Michael Hanselmann | """
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72 | 4331f6cd | Michael Hanselmann | global _http_manager
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73 | 4331f6cd | Michael Hanselmann | |
74 | 4331f6cd | Michael Hanselmann | if _http_manager:
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75 | 4331f6cd | Michael Hanselmann | _http_manager.Shutdown() |
76 | 4331f6cd | Michael Hanselmann | _http_manager = None
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77 | 4331f6cd | Michael Hanselmann | |
78 | 4331f6cd | Michael Hanselmann | |
79 | 781de953 | Iustin Pop | class RpcResult(object): |
80 | 781de953 | Iustin Pop | """RPC Result class.
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81 | 781de953 | Iustin Pop |
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82 | 781de953 | Iustin Pop | This class holds an RPC result. It is needed since in multi-node
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83 | 781de953 | Iustin Pop | calls we can't raise an exception just because one one out of many
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84 | 781de953 | Iustin Pop | failed, and therefore we use this class to encapsulate the result.
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85 | 781de953 | Iustin Pop |
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86 | ed83f5cc | Iustin Pop | @ivar data: the data payload, for successfull results, or None
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87 | ed83f5cc | Iustin Pop | @type failed: boolean
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88 | ed83f5cc | Iustin Pop | @ivar failed: whether the operation failed at RPC level (not
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89 | ed83f5cc | Iustin Pop | application level on the remote node)
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90 | ed83f5cc | Iustin Pop | @ivar call: the name of the RPC call
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91 | ed83f5cc | Iustin Pop | @ivar node: the name of the node to which we made the call
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92 | ed83f5cc | Iustin Pop | @ivar offline: whether the operation failed because the node was
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93 | ed83f5cc | Iustin Pop | offline, as opposed to actual failure; offline=True will always
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94 | ed83f5cc | Iustin Pop | imply failed=True, in order to allow simpler checking if
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95 | ed83f5cc | Iustin Pop | the user doesn't care about the exact failure mode
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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 | 781de953 | Iustin Pop | self.failed = failed
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101 | ed83f5cc | Iustin Pop | self.offline = offline
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102 | ed83f5cc | Iustin Pop | self.call = call
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103 | ed83f5cc | Iustin Pop | self.node = node
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104 | ed83f5cc | Iustin Pop | if offline:
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105 | ed83f5cc | Iustin Pop | self.failed = True |
106 | ed83f5cc | Iustin Pop | self.error = "Node is marked offline" |
107 | ed83f5cc | Iustin Pop | self.data = None |
108 | ed83f5cc | Iustin Pop | elif failed:
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109 | 781de953 | Iustin Pop | self.error = data
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110 | 781de953 | Iustin Pop | self.data = None |
111 | 781de953 | Iustin Pop | else:
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112 | 781de953 | Iustin Pop | self.data = data
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113 | 781de953 | Iustin Pop | self.error = None |
114 | 781de953 | Iustin Pop | |
115 | 781de953 | Iustin Pop | def Raise(self): |
116 | 781de953 | Iustin Pop | """If the result has failed, raise an OpExecError.
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117 | 781de953 | Iustin Pop |
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118 | 781de953 | Iustin Pop | This is used so that LU code doesn't have to check for each
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119 | 781de953 | Iustin Pop | result, but instead can call this function.
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120 | 781de953 | Iustin Pop |
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121 | 781de953 | Iustin Pop | """
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122 | 781de953 | Iustin Pop | if self.failed: |
123 | 781de953 | Iustin Pop | raise errors.OpExecError("Call '%s' to node '%s' has failed: %s" % |
124 | 781de953 | Iustin Pop | (self.call, self.node, self.error)) |
125 | 781de953 | Iustin Pop | |
126 | 781de953 | Iustin Pop | |
127 | a8083063 | Iustin Pop | class Client: |
128 | a8083063 | Iustin Pop | """RPC Client class.
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129 | a8083063 | Iustin Pop |
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130 | 2f8598a5 | Alexander Schreiber | This class, given a (remote) method name, a list of parameters and a
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131 | a8083063 | Iustin Pop | list of nodes, will contact (in parallel) all nodes, and return a
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132 | a8083063 | Iustin Pop | dict of results (key: node name, value: result).
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133 | a8083063 | Iustin Pop |
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134 | a8083063 | Iustin Pop | One current bug is that generic failure is still signalled by
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135 | a8083063 | Iustin Pop | 'False' result, which is not good. This overloading of values can
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136 | a8083063 | Iustin Pop | cause bugs.
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137 | a8083063 | Iustin Pop |
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138 | a8083063 | Iustin Pop | """
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139 | 160e2921 | Iustin Pop | def __init__(self, procedure, body, port): |
140 | a8083063 | Iustin Pop | self.procedure = procedure
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141 | 160e2921 | Iustin Pop | self.body = body
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142 | 160e2921 | Iustin Pop | self.port = port
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143 | ecfe9491 | Michael Hanselmann | self.nc = {}
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144 | a8083063 | Iustin Pop | |
145 | d57ae7f7 | Michael Hanselmann | self._ssl_params = \
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146 | d57ae7f7 | Michael Hanselmann | http.HttpSslParams(ssl_key_path=constants.SSL_CERT_FILE, |
147 | d57ae7f7 | Michael Hanselmann | ssl_cert_path=constants.SSL_CERT_FILE) |
148 | d57ae7f7 | Michael Hanselmann | |
149 | bdf7d8c0 | Iustin Pop | def ConnectList(self, node_list, address_list=None): |
150 | a8083063 | Iustin Pop | """Add a list of nodes to the target nodes.
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151 | a8083063 | Iustin Pop |
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152 | 3ef3c771 | Iustin Pop | @type node_list: list
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153 | 3ef3c771 | Iustin Pop | @param node_list: the list of node names to connect
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154 | bdf7d8c0 | Iustin Pop | @type address_list: list or None
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155 | bdf7d8c0 | Iustin Pop | @keyword address_list: either None or a list with node addresses,
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156 | bdf7d8c0 | Iustin Pop | which must have the same length as the node list
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157 | 3ef3c771 | Iustin Pop |
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158 | a8083063 | Iustin Pop | """
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159 | bdf7d8c0 | Iustin Pop | if address_list is None: |
160 | bdf7d8c0 | Iustin Pop | address_list = [None for _ in node_list] |
161 | bdf7d8c0 | Iustin Pop | else:
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162 | bdf7d8c0 | Iustin Pop | assert len(node_list) == len(address_list), \ |
163 | bdf7d8c0 | Iustin Pop | "Name and address lists should have the same length"
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164 | bdf7d8c0 | Iustin Pop | for node, address in zip(node_list, address_list): |
165 | bdf7d8c0 | Iustin Pop | self.ConnectNode(node, address)
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166 | bdf7d8c0 | Iustin Pop | |
167 | bdf7d8c0 | Iustin Pop | def ConnectNode(self, name, address=None): |
168 | a8083063 | Iustin Pop | """Add a node to the target list.
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169 | a8083063 | Iustin Pop |
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170 | bdf7d8c0 | Iustin Pop | @type name: str
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171 | bdf7d8c0 | Iustin Pop | @param name: the node name
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172 | bdf7d8c0 | Iustin Pop | @type address: str
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173 | bdf7d8c0 | Iustin Pop | @keyword address: the node address, if known
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174 | bdf7d8c0 | Iustin Pop |
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175 | a8083063 | Iustin Pop | """
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176 | ecfe9491 | Michael Hanselmann | if address is None: |
177 | ecfe9491 | Michael Hanselmann | address = name |
178 | ecfe9491 | Michael Hanselmann | |
179 | ae88ef45 | Michael Hanselmann | self.nc[name] = \
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180 | ae88ef45 | Michael Hanselmann | http.client.HttpClientRequest(address, self.port, http.HTTP_PUT,
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181 | ae88ef45 | Michael Hanselmann | "/%s" % self.procedure, |
182 | ae88ef45 | Michael Hanselmann | post_data=self.body,
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183 | ae88ef45 | Michael Hanselmann | ssl_params=self._ssl_params,
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184 | ae88ef45 | Michael Hanselmann | ssl_verify_peer=True)
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185 | a8083063 | Iustin Pop | |
186 | 3ef3c771 | Iustin Pop | def GetResults(self): |
187 | ecfe9491 | Michael Hanselmann | """Call nodes and return results.
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188 | ecfe9491 | Michael Hanselmann |
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189 | ecfe9491 | Michael Hanselmann | @rtype: list
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190 | ecfe9491 | Michael Hanselmann | @returns: List of RPC results
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191 | a8083063 | Iustin Pop |
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192 | a8083063 | Iustin Pop | """
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193 | 4331f6cd | Michael Hanselmann | assert _http_manager, "RPC module not intialized" |
194 | 4331f6cd | Michael Hanselmann | |
195 | 4331f6cd | Michael Hanselmann | _http_manager.ExecRequests(self.nc.values())
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196 | a8083063 | Iustin Pop | |
197 | ecfe9491 | Michael Hanselmann | results = {} |
198 | a8083063 | Iustin Pop | |
199 | ecfe9491 | Michael Hanselmann | for name, req in self.nc.iteritems(): |
200 | ae88ef45 | Michael Hanselmann | if req.success and req.resp_status_code == http.HTTP_OK: |
201 | 781de953 | Iustin Pop | results[name] = RpcResult(data=serializer.LoadJson(req.resp_body), |
202 | 781de953 | Iustin Pop | node=name, call=self.procedure)
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203 | ecfe9491 | Michael Hanselmann | continue
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204 | a8083063 | Iustin Pop | |
205 | d57ae7f7 | Michael Hanselmann | # TODO: Better error reporting
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206 | ecfe9491 | Michael Hanselmann | if req.error:
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207 | ecfe9491 | Michael Hanselmann | msg = req.error |
208 | ecfe9491 | Michael Hanselmann | else:
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209 | ecfe9491 | Michael Hanselmann | msg = req.resp_body |
210 | ecfe9491 | Michael Hanselmann | |
211 | ecfe9491 | Michael Hanselmann | logging.error("RPC error from node %s: %s", name, msg)
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212 | 781de953 | Iustin Pop | results[name] = RpcResult(data=msg, failed=True, node=name,
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213 | 781de953 | Iustin Pop | call=self.procedure)
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214 | ecfe9491 | Michael Hanselmann | |
215 | ecfe9491 | Michael Hanselmann | return results
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216 | a8083063 | Iustin Pop | |
217 | a8083063 | Iustin Pop | |
218 | 72737a7f | Iustin Pop | class RpcRunner(object): |
219 | 72737a7f | Iustin Pop | """RPC runner class"""
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220 | a8083063 | Iustin Pop | |
221 | 72737a7f | Iustin Pop | def __init__(self, cfg): |
222 | 72737a7f | Iustin Pop | """Initialized the rpc runner.
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223 | a8083063 | Iustin Pop |
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224 | 72737a7f | Iustin Pop | @type cfg: C{config.ConfigWriter}
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225 | 72737a7f | Iustin Pop | @param cfg: the configuration object that will be used to get data
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226 | 72737a7f | Iustin Pop | about the cluster
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227 | a8083063 | Iustin Pop |
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228 | 72737a7f | Iustin Pop | """
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229 | 72737a7f | Iustin Pop | self._cfg = cfg
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230 | 160e2921 | Iustin Pop | self.port = utils.GetNodeDaemonPort()
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231 | a8083063 | Iustin Pop | |
232 | 26ba2bd8 | Iustin Pop | def _InstDict(self, instance): |
233 | 26ba2bd8 | Iustin Pop | """Convert the given instance to a dict.
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234 | 26ba2bd8 | Iustin Pop |
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235 | 26ba2bd8 | Iustin Pop | This is done via the instance's ToDict() method and additionally
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236 | 26ba2bd8 | Iustin Pop | we fill the hvparams with the cluster defaults.
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237 | 26ba2bd8 | Iustin Pop |
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238 | 26ba2bd8 | Iustin Pop | @type instance: L{objects.Instance}
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239 | 26ba2bd8 | Iustin Pop | @param instance: an Instance object
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240 | 26ba2bd8 | Iustin Pop | @rtype: dict
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241 | 26ba2bd8 | Iustin Pop | @return: the instance dict, with the hvparams filled with the
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242 | 26ba2bd8 | Iustin Pop | cluster defaults
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243 | 26ba2bd8 | Iustin Pop |
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244 | 26ba2bd8 | Iustin Pop | """
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245 | 26ba2bd8 | Iustin Pop | idict = instance.ToDict() |
246 | 5b442704 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
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247 | 5b442704 | Iustin Pop | idict["hvparams"] = cluster.FillHV(instance)
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248 | 5b442704 | Iustin Pop | idict["beparams"] = cluster.FillBE(instance)
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249 | 26ba2bd8 | Iustin Pop | return idict
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250 | 26ba2bd8 | Iustin Pop | |
251 | 25348212 | Iustin Pop | def _ConnectList(self, client, node_list): |
252 | 25348212 | Iustin Pop | """Helper for computing node addresses.
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253 | 25348212 | Iustin Pop |
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254 | 25348212 | Iustin Pop | @type client: L{Client}
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255 | 25348212 | Iustin Pop | @param client: a C{Client} instance
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256 | 25348212 | Iustin Pop | @type node_list: list
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257 | 25348212 | Iustin Pop | @param node_list: the node list we should connect
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258 | 25348212 | Iustin Pop |
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259 | 25348212 | Iustin Pop | """
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260 | 25348212 | Iustin Pop | all_nodes = self._cfg.GetAllNodesInfo()
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261 | ed83f5cc | Iustin Pop | name_list = [] |
262 | 25348212 | Iustin Pop | addr_list = [] |
263 | ed83f5cc | Iustin Pop | skip_dict = {} |
264 | 25348212 | Iustin Pop | for node in node_list: |
265 | 25348212 | Iustin Pop | if node in all_nodes: |
266 | ed83f5cc | Iustin Pop | if all_nodes[node].offline:
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267 | ed83f5cc | Iustin Pop | skip_dict[node] = RpcResult(node=node, offline=True)
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268 | ed83f5cc | Iustin Pop | continue
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269 | 25348212 | Iustin Pop | val = all_nodes[node].primary_ip |
270 | 25348212 | Iustin Pop | else:
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271 | 25348212 | Iustin Pop | val = None
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272 | 25348212 | Iustin Pop | addr_list.append(val) |
273 | ed83f5cc | Iustin Pop | name_list.append(node) |
274 | ed83f5cc | Iustin Pop | if name_list:
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275 | ed83f5cc | Iustin Pop | client.ConnectList(name_list, address_list=addr_list) |
276 | ed83f5cc | Iustin Pop | return skip_dict
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277 | 25348212 | Iustin Pop | |
278 | 25348212 | Iustin Pop | def _ConnectNode(self, client, node): |
279 | 25348212 | Iustin Pop | """Helper for computing one node's address.
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280 | 25348212 | Iustin Pop |
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281 | 25348212 | Iustin Pop | @type client: L{Client}
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282 | 25348212 | Iustin Pop | @param client: a C{Client} instance
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283 | 25348212 | Iustin Pop | @type node: str
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284 | 25348212 | Iustin Pop | @param node: the node we should connect
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285 | 25348212 | Iustin Pop |
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286 | 25348212 | Iustin Pop | """
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287 | 25348212 | Iustin Pop | node_info = self._cfg.GetNodeInfo(node)
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288 | 25348212 | Iustin Pop | if node_info is not None: |
289 | ed83f5cc | Iustin Pop | if node_info.offline:
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290 | ed83f5cc | Iustin Pop | return RpcResult(node=node, offline=True) |
291 | 25348212 | Iustin Pop | addr = node_info.primary_ip |
292 | 25348212 | Iustin Pop | else:
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293 | 25348212 | Iustin Pop | addr = None
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294 | 25348212 | Iustin Pop | client.ConnectNode(node, address=addr) |
295 | 25348212 | Iustin Pop | |
296 | ed83f5cc | Iustin Pop | def _MultiNodeCall(self, node_list, procedure, args): |
297 | 160e2921 | Iustin Pop | """Helper for making a multi-node call
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298 | 160e2921 | Iustin Pop |
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299 | 160e2921 | Iustin Pop | """
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300 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
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301 | 160e2921 | Iustin Pop | c = Client(procedure, body, self.port)
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302 | ed83f5cc | Iustin Pop | skip_dict = self._ConnectList(c, node_list)
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303 | ed83f5cc | Iustin Pop | skip_dict.update(c.GetResults()) |
304 | ed83f5cc | Iustin Pop | return skip_dict
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305 | 9a525d83 | Michael Hanselmann | |
306 | 9a525d83 | Michael Hanselmann | @classmethod
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307 | 9a525d83 | Michael Hanselmann | def _StaticMultiNodeCall(cls, node_list, procedure, args, |
308 | 9a525d83 | Michael Hanselmann | address_list=None):
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309 | 160e2921 | Iustin Pop | """Helper for making a multi-node static call
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310 | 160e2921 | Iustin Pop |
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311 | 160e2921 | Iustin Pop | """
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312 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
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313 | 160e2921 | Iustin Pop | c = Client(procedure, body, utils.GetNodeDaemonPort()) |
314 | 9a525d83 | Michael Hanselmann | c.ConnectList(node_list, address_list=address_list) |
315 | 9a525d83 | Michael Hanselmann | return c.GetResults()
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316 | 9a525d83 | Michael Hanselmann | |
317 | 9a525d83 | Michael Hanselmann | def _SingleNodeCall(self, node, procedure, args): |
318 | 160e2921 | Iustin Pop | """Helper for making a single-node call
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319 | 9a525d83 | Michael Hanselmann |
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320 | 9a525d83 | Michael Hanselmann | """
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321 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
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322 | 160e2921 | Iustin Pop | c = Client(procedure, body, self.port)
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323 | ed83f5cc | Iustin Pop | result = self._ConnectNode(c, node)
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324 | ed83f5cc | Iustin Pop | if result is None: |
325 | ed83f5cc | Iustin Pop | # we did connect, node is not offline
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326 | ed83f5cc | Iustin Pop | result = c.GetResults()[node] |
327 | ed83f5cc | Iustin Pop | return result
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328 | 9a525d83 | Michael Hanselmann | |
329 | 9a525d83 | Michael Hanselmann | @classmethod
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330 | 9a525d83 | Michael Hanselmann | def _StaticSingleNodeCall(cls, node, procedure, args): |
331 | 160e2921 | Iustin Pop | """Helper for making a single-node static call
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332 | 9a525d83 | Michael Hanselmann |
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333 | 9a525d83 | Michael Hanselmann | """
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334 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
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335 | 160e2921 | Iustin Pop | c = Client(procedure, body, utils.GetNodeDaemonPort()) |
336 | 3097c858 | Michael Hanselmann | c.ConnectNode(node) |
337 | ed83f5cc | Iustin Pop | return c.GetResults()[node]
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338 | 9a525d83 | Michael Hanselmann | |
339 | 12bce260 | Michael Hanselmann | @staticmethod
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340 | 12bce260 | Michael Hanselmann | def _Compress(data): |
341 | 12bce260 | Michael Hanselmann | """Compresses a string for transport over RPC.
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342 | 12bce260 | Michael Hanselmann |
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343 | 12bce260 | Michael Hanselmann | Small amounts of data are not compressed.
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344 | 12bce260 | Michael Hanselmann |
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345 | 12bce260 | Michael Hanselmann | @type data: str
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346 | 12bce260 | Michael Hanselmann | @param data: Data
|
347 | 12bce260 | Michael Hanselmann | @rtype: tuple
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348 | 12bce260 | Michael Hanselmann | @return: Encoded data to send
|
349 | 12bce260 | Michael Hanselmann |
|
350 | 12bce260 | Michael Hanselmann | """
|
351 | 12bce260 | Michael Hanselmann | # Small amounts of data are not compressed
|
352 | 12bce260 | Michael Hanselmann | if len(data) < 512: |
353 | 12bce260 | Michael Hanselmann | return (constants.RPC_ENCODING_NONE, data)
|
354 | 12bce260 | Michael Hanselmann | |
355 | 12bce260 | Michael Hanselmann | # Compress with zlib and encode in base64
|
356 | 12bce260 | Michael Hanselmann | return (constants.RPC_ENCODING_ZLIB_BASE64,
|
357 | 12bce260 | Michael Hanselmann | base64.b64encode(zlib.compress(data, 3)))
|
358 | 12bce260 | Michael Hanselmann | |
359 | 781de953 | Iustin Pop | #
|
360 | 781de953 | Iustin Pop | # Begin RPC calls
|
361 | 781de953 | Iustin Pop | #
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362 | 781de953 | Iustin Pop | |
363 | 72737a7f | Iustin Pop | def call_volume_list(self, node_list, vg_name): |
364 | 72737a7f | Iustin Pop | """Gets the logical volumes present in a given volume group.
|
365 | a8083063 | Iustin Pop |
|
366 | 72737a7f | Iustin Pop | This is a multi-node call.
|
367 | a8083063 | Iustin Pop |
|
368 | 72737a7f | Iustin Pop | """
|
369 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "volume_list", [vg_name]) |
370 | a8083063 | Iustin Pop | |
371 | 72737a7f | Iustin Pop | def call_vg_list(self, node_list): |
372 | 72737a7f | Iustin Pop | """Gets the volume group list.
|
373 | a8083063 | Iustin Pop |
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374 | 72737a7f | Iustin Pop | This is a multi-node call.
|
375 | a8083063 | Iustin Pop |
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376 | 72737a7f | Iustin Pop | """
|
377 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "vg_list", []) |
378 | a8083063 | Iustin Pop | |
379 | 72737a7f | Iustin Pop | def call_bridges_exist(self, node, bridges_list): |
380 | 72737a7f | Iustin Pop | """Checks if a node has all the bridges given.
|
381 | a8083063 | Iustin Pop |
|
382 | 72737a7f | Iustin Pop | This method checks if all bridges given in the bridges_list are
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383 | 72737a7f | Iustin Pop | present on the remote node, so that an instance that uses interfaces
|
384 | 72737a7f | Iustin Pop | on those bridges can be started.
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385 | a8083063 | Iustin Pop |
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386 | 72737a7f | Iustin Pop | This is a single-node call.
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387 | a8083063 | Iustin Pop |
|
388 | 72737a7f | Iustin Pop | """
|
389 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "bridges_exist", [bridges_list]) |
390 | a8083063 | Iustin Pop | |
391 | 72737a7f | Iustin Pop | def call_instance_start(self, node, instance, extra_args): |
392 | 72737a7f | Iustin Pop | """Starts an instance.
|
393 | a8083063 | Iustin Pop |
|
394 | 72737a7f | Iustin Pop | This is a single-node call.
|
395 | a8083063 | Iustin Pop |
|
396 | 72737a7f | Iustin Pop | """
|
397 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_start", |
398 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance), extra_args])
|
399 | a8083063 | Iustin Pop | |
400 | 72737a7f | Iustin Pop | def call_instance_shutdown(self, node, instance): |
401 | 72737a7f | Iustin Pop | """Stops an instance.
|
402 | a8083063 | Iustin Pop |
|
403 | 72737a7f | Iustin Pop | This is a single-node call.
|
404 | 2a10865c | Iustin Pop |
|
405 | 72737a7f | Iustin Pop | """
|
406 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_shutdown", |
407 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance)])
|
408 | 2a10865c | Iustin Pop | |
409 | 72737a7f | Iustin Pop | def call_instance_migrate(self, node, instance, target, live): |
410 | 72737a7f | Iustin Pop | """Migrate an instance.
|
411 | 2a10865c | Iustin Pop |
|
412 | 72737a7f | Iustin Pop | This is a single-node call.
|
413 | 2a10865c | Iustin Pop |
|
414 | 72737a7f | Iustin Pop | @type node: string
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415 | 72737a7f | Iustin Pop | @param node: the node on which the instance is currently running
|
416 | 72737a7f | Iustin Pop | @type instance: C{objects.Instance}
|
417 | 72737a7f | Iustin Pop | @param instance: the instance definition
|
418 | 72737a7f | Iustin Pop | @type target: string
|
419 | 72737a7f | Iustin Pop | @param target: the target node name
|
420 | 72737a7f | Iustin Pop | @type live: boolean
|
421 | 72737a7f | Iustin Pop | @param live: whether the migration should be done live or not (the
|
422 | 72737a7f | Iustin Pop | interpretation of this parameter is left to the hypervisor)
|
423 | 007a2f3e | Alexander Schreiber |
|
424 | 72737a7f | Iustin Pop | """
|
425 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_migrate", |
426 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance), target, live])
|
427 | 007a2f3e | Alexander Schreiber | |
428 | 72737a7f | Iustin Pop | def call_instance_reboot(self, node, instance, reboot_type, extra_args): |
429 | 72737a7f | Iustin Pop | """Reboots an instance.
|
430 | 007a2f3e | Alexander Schreiber |
|
431 | 72737a7f | Iustin Pop | This is a single-node call.
|
432 | a8083063 | Iustin Pop |
|
433 | 72737a7f | Iustin Pop | """
|
434 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_reboot", |
435 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance), reboot_type,
|
436 | 9a525d83 | Michael Hanselmann | extra_args]) |
437 | a8083063 | Iustin Pop | |
438 | d15a9ad3 | Guido Trotter | def call_instance_os_add(self, node, inst): |
439 | 72737a7f | Iustin Pop | """Installs an OS on the given instance.
|
440 | a8083063 | Iustin Pop |
|
441 | 72737a7f | Iustin Pop | This is a single-node call.
|
442 | decd5f45 | Iustin Pop |
|
443 | 72737a7f | Iustin Pop | """
|
444 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_os_add", |
445 | 9a525d83 | Michael Hanselmann | [self._InstDict(inst)])
|
446 | decd5f45 | Iustin Pop | |
447 | d15a9ad3 | Guido Trotter | def call_instance_run_rename(self, node, inst, old_name): |
448 | 72737a7f | Iustin Pop | """Run the OS rename script for an instance.
|
449 | decd5f45 | Iustin Pop |
|
450 | 72737a7f | Iustin Pop | This is a single-node call.
|
451 | a8083063 | Iustin Pop |
|
452 | 72737a7f | Iustin Pop | """
|
453 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_run_rename", |
454 | 9a525d83 | Michael Hanselmann | [self._InstDict(inst), old_name])
|
455 | a8083063 | Iustin Pop | |
456 | 72737a7f | Iustin Pop | def call_instance_info(self, node, instance, hname): |
457 | 72737a7f | Iustin Pop | """Returns information about a single instance.
|
458 | a8083063 | Iustin Pop |
|
459 | 72737a7f | Iustin Pop | This is a single-node call.
|
460 | a8083063 | Iustin Pop |
|
461 | 9a525d83 | Michael Hanselmann | @type node: list
|
462 | 9a525d83 | Michael Hanselmann | @param node: the list of nodes to query
|
463 | 72737a7f | Iustin Pop | @type instance: string
|
464 | 72737a7f | Iustin Pop | @param instance: the instance name
|
465 | 72737a7f | Iustin Pop | @type hname: string
|
466 | 72737a7f | Iustin Pop | @param hname: the hypervisor type of the instance
|
467 | a8083063 | Iustin Pop |
|
468 | 72737a7f | Iustin Pop | """
|
469 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_info", [instance, hname]) |
470 | e69d05fd | Iustin Pop | |
471 | 72737a7f | Iustin Pop | def call_all_instances_info(self, node_list, hypervisor_list): |
472 | 72737a7f | Iustin Pop | """Returns information about all instances on the given nodes.
|
473 | a8083063 | Iustin Pop |
|
474 | 72737a7f | Iustin Pop | This is a multi-node call.
|
475 | a8083063 | Iustin Pop |
|
476 | 72737a7f | Iustin Pop | @type node_list: list
|
477 | 72737a7f | Iustin Pop | @param node_list: the list of nodes to query
|
478 | 72737a7f | Iustin Pop | @type hypervisor_list: list
|
479 | 72737a7f | Iustin Pop | @param hypervisor_list: the hypervisors to query for instances
|
480 | a8083063 | Iustin Pop |
|
481 | 72737a7f | Iustin Pop | """
|
482 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "all_instances_info", |
483 | 9a525d83 | Michael Hanselmann | [hypervisor_list]) |
484 | e69d05fd | Iustin Pop | |
485 | 72737a7f | Iustin Pop | def call_instance_list(self, node_list, hypervisor_list): |
486 | 72737a7f | Iustin Pop | """Returns the list of running instances on a given node.
|
487 | a8083063 | Iustin Pop |
|
488 | 72737a7f | Iustin Pop | This is a multi-node call.
|
489 | a8083063 | Iustin Pop |
|
490 | 72737a7f | Iustin Pop | @type node_list: list
|
491 | 72737a7f | Iustin Pop | @param node_list: the list of nodes to query
|
492 | 72737a7f | Iustin Pop | @type hypervisor_list: list
|
493 | 72737a7f | Iustin Pop | @param hypervisor_list: the hypervisors to query for instances
|
494 | 16abfbc2 | Alexander Schreiber |
|
495 | 72737a7f | Iustin Pop | """
|
496 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "instance_list", [hypervisor_list]) |
497 | 16abfbc2 | Alexander Schreiber | |
498 | 72737a7f | Iustin Pop | def call_node_tcp_ping(self, node, source, target, port, timeout, |
499 | 72737a7f | Iustin Pop | live_port_needed): |
500 | 72737a7f | Iustin Pop | """Do a TcpPing on the remote node
|
501 | a8083063 | Iustin Pop |
|
502 | 72737a7f | Iustin Pop | This is a single-node call.
|
503 | caad16e2 | Iustin Pop |
|
504 | 72737a7f | Iustin Pop | """
|
505 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "node_tcp_ping", |
506 | 9a525d83 | Michael Hanselmann | [source, target, port, timeout, |
507 | 72737a7f | Iustin Pop | live_port_needed]) |
508 | a8083063 | Iustin Pop | |
509 | caad16e2 | Iustin Pop | def call_node_has_ip_address(self, node, address): |
510 | caad16e2 | Iustin Pop | """Checks if a node has the given IP address.
|
511 | caad16e2 | Iustin Pop |
|
512 | caad16e2 | Iustin Pop | This is a single-node call.
|
513 | caad16e2 | Iustin Pop |
|
514 | caad16e2 | Iustin Pop | """
|
515 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "node_has_ip_address", [address]) |
516 | a8083063 | Iustin Pop | |
517 | 72737a7f | Iustin Pop | def call_node_info(self, node_list, vg_name, hypervisor_type): |
518 | 72737a7f | Iustin Pop | """Return node information.
|
519 | e69d05fd | Iustin Pop |
|
520 | 72737a7f | Iustin Pop | This will return memory information and volume group size and free
|
521 | 72737a7f | Iustin Pop | space.
|
522 | a8083063 | Iustin Pop |
|
523 | 72737a7f | Iustin Pop | This is a multi-node call.
|
524 | a8083063 | Iustin Pop |
|
525 | 72737a7f | Iustin Pop | @type node_list: list
|
526 | 72737a7f | Iustin Pop | @param node_list: the list of nodes to query
|
527 | c41eea6e | Iustin Pop | @type vg_name: C{string}
|
528 | c41eea6e | Iustin Pop | @param vg_name: the name of the volume group to ask for disk space
|
529 | 72737a7f | Iustin Pop | information
|
530 | 72737a7f | Iustin Pop | @type hypervisor_type: C{str}
|
531 | 72737a7f | Iustin Pop | @param hypervisor_type: the name of the hypervisor to ask for
|
532 | 72737a7f | Iustin Pop | memory information
|
533 | a8083063 | Iustin Pop |
|
534 | 72737a7f | Iustin Pop | """
|
535 | 9a525d83 | Michael Hanselmann | retux = self._MultiNodeCall(node_list, "node_info", |
536 | 9a525d83 | Michael Hanselmann | [vg_name, hypervisor_type]) |
537 | a8083063 | Iustin Pop | |
538 | 781de953 | Iustin Pop | for result in retux.itervalues(): |
539 | 781de953 | Iustin Pop | if result.failed or not isinstance(result.data, dict): |
540 | 781de953 | Iustin Pop | result.data = {} |
541 | 781de953 | Iustin Pop | |
542 | 781de953 | Iustin Pop | utils.CheckDict(result.data, { |
543 | 781de953 | Iustin Pop | 'memory_total' : '-', |
544 | 781de953 | Iustin Pop | 'memory_dom0' : '-', |
545 | 781de953 | Iustin Pop | 'memory_free' : '-', |
546 | 781de953 | Iustin Pop | 'vg_size' : 'node_unreachable', |
547 | 781de953 | Iustin Pop | 'vg_free' : '-', |
548 | 781de953 | Iustin Pop | }, "call_node_info")
|
549 | 72737a7f | Iustin Pop | return retux
|
550 | a8083063 | Iustin Pop | |
551 | 72737a7f | Iustin Pop | def call_node_add(self, node, dsa, dsapub, rsa, rsapub, ssh, sshpub): |
552 | 72737a7f | Iustin Pop | """Add a node to the cluster.
|
553 | a8083063 | Iustin Pop |
|
554 | 72737a7f | Iustin Pop | This is a single-node call.
|
555 | a8083063 | Iustin Pop |
|
556 | 72737a7f | Iustin Pop | """
|
557 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "node_add", |
558 | 9a525d83 | Michael Hanselmann | [dsa, dsapub, rsa, rsapub, ssh, sshpub]) |
559 | a8083063 | Iustin Pop | |
560 | 72737a7f | Iustin Pop | def call_node_verify(self, node_list, checkdict, cluster_name): |
561 | 72737a7f | Iustin Pop | """Request verification of given parameters.
|
562 | a8083063 | Iustin Pop |
|
563 | 72737a7f | Iustin Pop | This is a multi-node call.
|
564 | a8083063 | Iustin Pop |
|
565 | 72737a7f | Iustin Pop | """
|
566 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "node_verify", |
567 | 9a525d83 | Michael Hanselmann | [checkdict, cluster_name]) |
568 | a8083063 | Iustin Pop | |
569 | 9a525d83 | Michael Hanselmann | @classmethod
|
570 | 9a525d83 | Michael Hanselmann | def call_node_start_master(cls, node, start_daemons): |
571 | 72737a7f | Iustin Pop | """Tells a node to activate itself as a master.
|
572 | a8083063 | Iustin Pop |
|
573 | 72737a7f | Iustin Pop | This is a single-node call.
|
574 | a8083063 | Iustin Pop |
|
575 | 72737a7f | Iustin Pop | """
|
576 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "node_start_master", |
577 | 9a525d83 | Michael Hanselmann | [start_daemons]) |
578 | a8083063 | Iustin Pop | |
579 | 9a525d83 | Michael Hanselmann | @classmethod
|
580 | 9a525d83 | Michael Hanselmann | def call_node_stop_master(cls, node, stop_daemons): |
581 | 72737a7f | Iustin Pop | """Tells a node to demote itself from master status.
|
582 | a8083063 | Iustin Pop |
|
583 | 72737a7f | Iustin Pop | This is a single-node call.
|
584 | 4e071d3b | Iustin Pop |
|
585 | 72737a7f | Iustin Pop | """
|
586 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "node_stop_master", [stop_daemons]) |
587 | 4e071d3b | Iustin Pop | |
588 | 9a525d83 | Michael Hanselmann | @classmethod
|
589 | 9a525d83 | Michael Hanselmann | def call_master_info(cls, node_list): |
590 | 72737a7f | Iustin Pop | """Query master info.
|
591 | 4e071d3b | Iustin Pop |
|
592 | 72737a7f | Iustin Pop | This is a multi-node call.
|
593 | a8083063 | Iustin Pop |
|
594 | 72737a7f | Iustin Pop | """
|
595 | 72737a7f | Iustin Pop | # TODO: should this method query down nodes?
|
596 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "master_info", []) |
597 | a8083063 | Iustin Pop | |
598 | 72737a7f | Iustin Pop | def call_version(self, node_list): |
599 | 72737a7f | Iustin Pop | """Query node version.
|
600 | a8083063 | Iustin Pop |
|
601 | 72737a7f | Iustin Pop | This is a multi-node call.
|
602 | a8083063 | Iustin Pop |
|
603 | 72737a7f | Iustin Pop | """
|
604 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "version", []) |
605 | a8083063 | Iustin Pop | |
606 | 72737a7f | Iustin Pop | def call_blockdev_create(self, node, bdev, size, owner, on_primary, info): |
607 | 72737a7f | Iustin Pop | """Request creation of a given block device.
|
608 | a8083063 | Iustin Pop |
|
609 | 72737a7f | Iustin Pop | This is a single-node call.
|
610 | a8083063 | Iustin Pop |
|
611 | 72737a7f | Iustin Pop | """
|
612 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_create", |
613 | 9a525d83 | Michael Hanselmann | [bdev.ToDict(), size, owner, on_primary, info]) |
614 | a8083063 | Iustin Pop | |
615 | 72737a7f | Iustin Pop | def call_blockdev_remove(self, node, bdev): |
616 | 72737a7f | Iustin Pop | """Request removal of a given block device.
|
617 | a8083063 | Iustin Pop |
|
618 | 72737a7f | Iustin Pop | This is a single-node call.
|
619 | f3e513ad | Iustin Pop |
|
620 | 72737a7f | Iustin Pop | """
|
621 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_remove", [bdev.ToDict()]) |
622 | f3e513ad | Iustin Pop | |
623 | 72737a7f | Iustin Pop | def call_blockdev_rename(self, node, devlist): |
624 | 72737a7f | Iustin Pop | """Request rename of the given block devices.
|
625 | f3e513ad | Iustin Pop |
|
626 | 72737a7f | Iustin Pop | This is a single-node call.
|
627 | a8083063 | Iustin Pop |
|
628 | 72737a7f | Iustin Pop | """
|
629 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_rename", |
630 | 9a525d83 | Michael Hanselmann | [(d.ToDict(), uid) for d, uid in devlist]) |
631 | a8083063 | Iustin Pop | |
632 | 72737a7f | Iustin Pop | def call_blockdev_assemble(self, node, disk, owner, on_primary): |
633 | 72737a7f | Iustin Pop | """Request assembling of a given block device.
|
634 | a8083063 | Iustin Pop |
|
635 | 72737a7f | Iustin Pop | This is a single-node call.
|
636 | a8083063 | Iustin Pop |
|
637 | 72737a7f | Iustin Pop | """
|
638 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_assemble", |
639 | 9a525d83 | Michael Hanselmann | [disk.ToDict(), owner, on_primary]) |
640 | a8083063 | Iustin Pop | |
641 | 72737a7f | Iustin Pop | def call_blockdev_shutdown(self, node, disk): |
642 | 72737a7f | Iustin Pop | """Request shutdown of a given block device.
|
643 | a8083063 | Iustin Pop |
|
644 | 72737a7f | Iustin Pop | This is a single-node call.
|
645 | a8083063 | Iustin Pop |
|
646 | 72737a7f | Iustin Pop | """
|
647 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_shutdown", [disk.ToDict()]) |
648 | a8083063 | Iustin Pop | |
649 | 72737a7f | Iustin Pop | def call_blockdev_addchildren(self, node, bdev, ndevs): |
650 | 72737a7f | Iustin Pop | """Request adding a list of children to a (mirroring) device.
|
651 | a8083063 | Iustin Pop |
|
652 | 72737a7f | Iustin Pop | This is a single-node call.
|
653 | a8083063 | Iustin Pop |
|
654 | 72737a7f | Iustin Pop | """
|
655 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_addchildren", |
656 | 9a525d83 | Michael Hanselmann | [bdev.ToDict(), |
657 | 9a525d83 | Michael Hanselmann | [disk.ToDict() for disk in ndevs]]) |
658 | a8083063 | Iustin Pop | |
659 | 72737a7f | Iustin Pop | def call_blockdev_removechildren(self, node, bdev, ndevs): |
660 | 72737a7f | Iustin Pop | """Request removing a list of children from a (mirroring) device.
|
661 | a8083063 | Iustin Pop |
|
662 | 72737a7f | Iustin Pop | This is a single-node call.
|
663 | a8083063 | Iustin Pop |
|
664 | 72737a7f | Iustin Pop | """
|
665 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_removechildren", |
666 | 9a525d83 | Michael Hanselmann | [bdev.ToDict(), |
667 | 9a525d83 | Michael Hanselmann | [disk.ToDict() for disk in ndevs]]) |
668 | a8083063 | Iustin Pop | |
669 | 72737a7f | Iustin Pop | def call_blockdev_getmirrorstatus(self, node, disks): |
670 | 72737a7f | Iustin Pop | """Request status of a (mirroring) device.
|
671 | a8083063 | Iustin Pop |
|
672 | 72737a7f | Iustin Pop | This is a single-node call.
|
673 | a8083063 | Iustin Pop |
|
674 | 72737a7f | Iustin Pop | """
|
675 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_getmirrorstatus", |
676 | 9a525d83 | Michael Hanselmann | [dsk.ToDict() for dsk in disks]) |
677 | a8083063 | Iustin Pop | |
678 | 72737a7f | Iustin Pop | def call_blockdev_find(self, node, disk): |
679 | 72737a7f | Iustin Pop | """Request identification of a given block device.
|
680 | 72737a7f | Iustin Pop |
|
681 | 72737a7f | Iustin Pop | This is a single-node call.
|
682 | a8083063 | Iustin Pop |
|
683 | 72737a7f | Iustin Pop | """
|
684 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_find", [disk.ToDict()]) |
685 | d61cbe76 | Iustin Pop | |
686 | 72737a7f | Iustin Pop | def call_blockdev_close(self, node, disks): |
687 | 72737a7f | Iustin Pop | """Closes the given block devices.
|
688 | d61cbe76 | Iustin Pop |
|
689 | 72737a7f | Iustin Pop | This is a single-node call.
|
690 | d61cbe76 | Iustin Pop |
|
691 | 72737a7f | Iustin Pop | """
|
692 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_close", |
693 | 9a525d83 | Michael Hanselmann | [cf.ToDict() for cf in disks]) |
694 | a8083063 | Iustin Pop | |
695 | 9a525d83 | Michael Hanselmann | @classmethod
|
696 | 9a525d83 | Michael Hanselmann | def call_upload_file(cls, node_list, file_name, address_list=None): |
697 | 72737a7f | Iustin Pop | """Upload a file.
|
698 | 72737a7f | Iustin Pop |
|
699 | 72737a7f | Iustin Pop | The node will refuse the operation in case the file is not on the
|
700 | 72737a7f | Iustin Pop | approved file list.
|
701 | 72737a7f | Iustin Pop |
|
702 | 72737a7f | Iustin Pop | This is a multi-node call.
|
703 | a8083063 | Iustin Pop |
|
704 | 6b294c53 | Iustin Pop | @type node_list: list
|
705 | 6b294c53 | Iustin Pop | @param node_list: the list of node names to upload to
|
706 | 6b294c53 | Iustin Pop | @type file_name: str
|
707 | 6b294c53 | Iustin Pop | @param file_name: the filename to upload
|
708 | 6b294c53 | Iustin Pop | @type address_list: list or None
|
709 | 6b294c53 | Iustin Pop | @keyword address_list: an optional list of node addresses, in order
|
710 | 6b294c53 | Iustin Pop | to optimize the RPC speed
|
711 | 6b294c53 | Iustin Pop |
|
712 | 72737a7f | Iustin Pop | """
|
713 | 12bce260 | Michael Hanselmann | file_contents = utils.ReadFile(file_name) |
714 | 12bce260 | Michael Hanselmann | data = cls._Compress(file_contents) |
715 | 72737a7f | Iustin Pop | st = os.stat(file_name) |
716 | 72737a7f | Iustin Pop | params = [file_name, data, st.st_mode, st.st_uid, st.st_gid, |
717 | 72737a7f | Iustin Pop | st.st_atime, st.st_mtime] |
718 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "upload_file", params, |
719 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
720 | 72737a7f | Iustin Pop | |
721 | 6ddc95ec | Michael Hanselmann | @classmethod
|
722 | 03d1dba2 | Michael Hanselmann | def call_write_ssconf_files(cls, node_list, values): |
723 | 6ddc95ec | Michael Hanselmann | """Write ssconf files.
|
724 | 6ddc95ec | Michael Hanselmann |
|
725 | 6ddc95ec | Michael Hanselmann | This is a multi-node call.
|
726 | 6ddc95ec | Michael Hanselmann |
|
727 | 6ddc95ec | Michael Hanselmann | """
|
728 | 03d1dba2 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "write_ssconf_files", [values]) |
729 | 6ddc95ec | Michael Hanselmann | |
730 | 72737a7f | Iustin Pop | def call_os_diagnose(self, node_list): |
731 | 72737a7f | Iustin Pop | """Request a diagnose of OS definitions.
|
732 | 72737a7f | Iustin Pop |
|
733 | 72737a7f | Iustin Pop | This is a multi-node call.
|
734 | a8083063 | Iustin Pop |
|
735 | 72737a7f | Iustin Pop | """
|
736 | 9a525d83 | Michael Hanselmann | result = self._MultiNodeCall(node_list, "os_diagnose", []) |
737 | 9a525d83 | Michael Hanselmann | |
738 | fab1e3a4 | Iustin Pop | for node_result in result.values(): |
739 | 781de953 | Iustin Pop | if not node_result.failed and node_result.data: |
740 | 781de953 | Iustin Pop | node_result.data = [objects.OS.FromDict(oss) |
741 | 781de953 | Iustin Pop | for oss in node_result.data] |
742 | 781de953 | Iustin Pop | return result
|
743 | a8083063 | Iustin Pop | |
744 | 72737a7f | Iustin Pop | def call_os_get(self, node, name): |
745 | 72737a7f | Iustin Pop | """Returns an OS definition.
|
746 | a8083063 | Iustin Pop |
|
747 | 72737a7f | Iustin Pop | This is a single-node call.
|
748 | a8083063 | Iustin Pop |
|
749 | 72737a7f | Iustin Pop | """
|
750 | 9a525d83 | Michael Hanselmann | result = self._SingleNodeCall(node, "os_get", [name]) |
751 | 781de953 | Iustin Pop | if not result.failed and isinstance(result.data, dict): |
752 | 781de953 | Iustin Pop | result.data = objects.OS.FromDict(result.data) |
753 | 781de953 | Iustin Pop | return result
|
754 | a8083063 | Iustin Pop | |
755 | 72737a7f | Iustin Pop | def call_hooks_runner(self, node_list, hpath, phase, env): |
756 | 72737a7f | Iustin Pop | """Call the hooks runner.
|
757 | a8083063 | Iustin Pop |
|
758 | 72737a7f | Iustin Pop | Args:
|
759 | 72737a7f | Iustin Pop | - op: the OpCode instance
|
760 | 72737a7f | Iustin Pop | - env: a dictionary with the environment
|
761 | a8083063 | Iustin Pop |
|
762 | 72737a7f | Iustin Pop | This is a multi-node call.
|
763 | a8083063 | Iustin Pop |
|
764 | 72737a7f | Iustin Pop | """
|
765 | 72737a7f | Iustin Pop | params = [hpath, phase, env] |
766 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "hooks_runner", params) |
767 | a8083063 | Iustin Pop | |
768 | 72737a7f | Iustin Pop | def call_iallocator_runner(self, node, name, idata): |
769 | 72737a7f | Iustin Pop | """Call an iallocator on a remote node
|
770 | 8d528b7c | Iustin Pop |
|
771 | 72737a7f | Iustin Pop | Args:
|
772 | 72737a7f | Iustin Pop | - name: the iallocator name
|
773 | 72737a7f | Iustin Pop | - input: the json-encoded input string
|
774 | 8d528b7c | Iustin Pop |
|
775 | 72737a7f | Iustin Pop | This is a single-node call.
|
776 | 8d528b7c | Iustin Pop |
|
777 | 72737a7f | Iustin Pop | """
|
778 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "iallocator_runner", [name, idata]) |
779 | 8d528b7c | Iustin Pop | |
780 | 72737a7f | Iustin Pop | def call_blockdev_grow(self, node, cf_bdev, amount): |
781 | 72737a7f | Iustin Pop | """Request a snapshot of the given block device.
|
782 | 4c8ba8b3 | Iustin Pop |
|
783 | 72737a7f | Iustin Pop | This is a single-node call.
|
784 | 4c8ba8b3 | Iustin Pop |
|
785 | 72737a7f | Iustin Pop | """
|
786 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_grow", |
787 | 9a525d83 | Michael Hanselmann | [cf_bdev.ToDict(), amount]) |
788 | 4c8ba8b3 | Iustin Pop | |
789 | 72737a7f | Iustin Pop | def call_blockdev_snapshot(self, node, cf_bdev): |
790 | 72737a7f | Iustin Pop | """Request a snapshot of the given block device.
|
791 | a8083063 | Iustin Pop |
|
792 | 72737a7f | Iustin Pop | This is a single-node call.
|
793 | a8083063 | Iustin Pop |
|
794 | 72737a7f | Iustin Pop | """
|
795 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "blockdev_snapshot", [cf_bdev.ToDict()]) |
796 | a8083063 | Iustin Pop | |
797 | 72737a7f | Iustin Pop | def call_snapshot_export(self, node, snap_bdev, dest_node, instance, |
798 | 74c47259 | Iustin Pop | cluster_name, idx): |
799 | 72737a7f | Iustin Pop | """Request the export of a given snapshot.
|
800 | a8083063 | Iustin Pop |
|
801 | 72737a7f | Iustin Pop | This is a single-node call.
|
802 | a8083063 | Iustin Pop |
|
803 | 72737a7f | Iustin Pop | """
|
804 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "snapshot_export", |
805 | 9a525d83 | Michael Hanselmann | [snap_bdev.ToDict(), dest_node, |
806 | 9a525d83 | Michael Hanselmann | self._InstDict(instance), cluster_name, idx])
|
807 | a8083063 | Iustin Pop | |
808 | 72737a7f | Iustin Pop | def call_finalize_export(self, node, instance, snap_disks): |
809 | 72737a7f | Iustin Pop | """Request the completion of an export operation.
|
810 | a8083063 | Iustin Pop |
|
811 | 72737a7f | Iustin Pop | This writes the export config file, etc.
|
812 | a8083063 | Iustin Pop |
|
813 | 72737a7f | Iustin Pop | This is a single-node call.
|
814 | a8083063 | Iustin Pop |
|
815 | 72737a7f | Iustin Pop | """
|
816 | 72737a7f | Iustin Pop | flat_disks = [] |
817 | 72737a7f | Iustin Pop | for disk in snap_disks: |
818 | 72737a7f | Iustin Pop | flat_disks.append(disk.ToDict()) |
819 | 9a525d83 | Michael Hanselmann | |
820 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "finalize_export", |
821 | 9a525d83 | Michael Hanselmann | [self._InstDict(instance), flat_disks])
|
822 | a8083063 | Iustin Pop | |
823 | 72737a7f | Iustin Pop | def call_export_info(self, node, path): |
824 | 72737a7f | Iustin Pop | """Queries the export information in a given path.
|
825 | a8083063 | Iustin Pop |
|
826 | 72737a7f | Iustin Pop | This is a single-node call.
|
827 | a8083063 | Iustin Pop |
|
828 | 72737a7f | Iustin Pop | """
|
829 | 9a525d83 | Michael Hanselmann | result = self._SingleNodeCall(node, "export_info", [path]) |
830 | 781de953 | Iustin Pop | if not result.failed and result.data: |
831 | 781de953 | Iustin Pop | result.data = objects.SerializableConfigParser.Loads(str(result.data))
|
832 | 781de953 | Iustin Pop | return result
|
833 | a8083063 | Iustin Pop | |
834 | 6c0af70e | Guido Trotter | def call_instance_os_import(self, node, inst, src_node, src_images, |
835 | 6c0af70e | Guido Trotter | cluster_name): |
836 | 72737a7f | Iustin Pop | """Request the import of a backup into an instance.
|
837 | a8083063 | Iustin Pop |
|
838 | 72737a7f | Iustin Pop | This is a single-node call.
|
839 | a8083063 | Iustin Pop |
|
840 | 72737a7f | Iustin Pop | """
|
841 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_os_import", |
842 | 9a525d83 | Michael Hanselmann | [self._InstDict(inst), src_node, src_images,
|
843 | 9a525d83 | Michael Hanselmann | cluster_name]) |
844 | a8083063 | Iustin Pop | |
845 | 72737a7f | Iustin Pop | def call_export_list(self, node_list): |
846 | 72737a7f | Iustin Pop | """Gets the stored exports list.
|
847 | a8083063 | Iustin Pop |
|
848 | 72737a7f | Iustin Pop | This is a multi-node call.
|
849 | a8083063 | Iustin Pop |
|
850 | 72737a7f | Iustin Pop | """
|
851 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "export_list", []) |
852 | a8083063 | Iustin Pop | |
853 | 72737a7f | Iustin Pop | def call_export_remove(self, node, export): |
854 | 72737a7f | Iustin Pop | """Requests removal of a given export.
|
855 | a8083063 | Iustin Pop |
|
856 | 72737a7f | Iustin Pop | This is a single-node call.
|
857 | a8083063 | Iustin Pop |
|
858 | 72737a7f | Iustin Pop | """
|
859 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "export_remove", [export]) |
860 | a8083063 | Iustin Pop | |
861 | 9a525d83 | Michael Hanselmann | @classmethod
|
862 | 9a525d83 | Michael Hanselmann | def call_node_leave_cluster(cls, node): |
863 | 72737a7f | Iustin Pop | """Requests a node to clean the cluster information it has.
|
864 | a8083063 | Iustin Pop |
|
865 | 72737a7f | Iustin Pop | This will remove the configuration information from the ganeti data
|
866 | 72737a7f | Iustin Pop | dir.
|
867 | a8083063 | Iustin Pop |
|
868 | 72737a7f | Iustin Pop | This is a single-node call.
|
869 | a8083063 | Iustin Pop |
|
870 | 72737a7f | Iustin Pop | """
|
871 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "node_leave_cluster", []) |
872 | dcb93971 | Michael Hanselmann | |
873 | 72737a7f | Iustin Pop | def call_node_volumes(self, node_list): |
874 | 72737a7f | Iustin Pop | """Gets all volumes on node(s).
|
875 | dcb93971 | Michael Hanselmann |
|
876 | 72737a7f | Iustin Pop | This is a multi-node call.
|
877 | dcb93971 | Michael Hanselmann |
|
878 | 72737a7f | Iustin Pop | """
|
879 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "node_volumes", []) |
880 | 06009e27 | Iustin Pop | |
881 | 56aa9fd5 | Iustin Pop | def call_node_demote_from_mc(self, node): |
882 | 56aa9fd5 | Iustin Pop | """Demote a node from the master candidate role.
|
883 | 56aa9fd5 | Iustin Pop |
|
884 | 56aa9fd5 | Iustin Pop | This is a single-node call.
|
885 | 56aa9fd5 | Iustin Pop |
|
886 | 56aa9fd5 | Iustin Pop | """
|
887 | 56aa9fd5 | Iustin Pop | return self._SingleNodeCall(node, "node_demote_from_mc", []) |
888 | 56aa9fd5 | Iustin Pop | |
889 | 72737a7f | Iustin Pop | def call_test_delay(self, node_list, duration): |
890 | 72737a7f | Iustin Pop | """Sleep for a fixed time on given node(s).
|
891 | 06009e27 | Iustin Pop |
|
892 | 72737a7f | Iustin Pop | This is a multi-node call.
|
893 | 06009e27 | Iustin Pop |
|
894 | 72737a7f | Iustin Pop | """
|
895 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "test_delay", [duration]) |
896 | 5e04ed8b | Manuel Franceschini | |
897 | 72737a7f | Iustin Pop | def call_file_storage_dir_create(self, node, file_storage_dir): |
898 | 72737a7f | Iustin Pop | """Create the given file storage directory.
|
899 | 5e04ed8b | Manuel Franceschini |
|
900 | 72737a7f | Iustin Pop | This is a single-node call.
|
901 | 5e04ed8b | Manuel Franceschini |
|
902 | 72737a7f | Iustin Pop | """
|
903 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "file_storage_dir_create", |
904 | 9a525d83 | Michael Hanselmann | [file_storage_dir]) |
905 | 5e04ed8b | Manuel Franceschini | |
906 | 72737a7f | Iustin Pop | def call_file_storage_dir_remove(self, node, file_storage_dir): |
907 | 72737a7f | Iustin Pop | """Remove the given file storage directory.
|
908 | 5e04ed8b | Manuel Franceschini |
|
909 | 72737a7f | Iustin Pop | This is a single-node call.
|
910 | 5e04ed8b | Manuel Franceschini |
|
911 | 72737a7f | Iustin Pop | """
|
912 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "file_storage_dir_remove", |
913 | 9a525d83 | Michael Hanselmann | [file_storage_dir]) |
914 | 5e04ed8b | Manuel Franceschini | |
915 | 72737a7f | Iustin Pop | def call_file_storage_dir_rename(self, node, old_file_storage_dir, |
916 | 72737a7f | Iustin Pop | new_file_storage_dir): |
917 | 72737a7f | Iustin Pop | """Rename file storage directory.
|
918 | 5e04ed8b | Manuel Franceschini |
|
919 | 72737a7f | Iustin Pop | This is a single-node call.
|
920 | 5e04ed8b | Manuel Franceschini |
|
921 | 72737a7f | Iustin Pop | """
|
922 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "file_storage_dir_rename", |
923 | 9a525d83 | Michael Hanselmann | [old_file_storage_dir, new_file_storage_dir]) |
924 | ca52cdeb | Michael Hanselmann | |
925 | 9a525d83 | Michael Hanselmann | @classmethod
|
926 | 9a525d83 | Michael Hanselmann | def call_jobqueue_update(cls, node_list, address_list, file_name, content): |
927 | 72737a7f | Iustin Pop | """Update job queue.
|
928 | ca52cdeb | Michael Hanselmann |
|
929 | 72737a7f | Iustin Pop | This is a multi-node call.
|
930 | ca52cdeb | Michael Hanselmann |
|
931 | 72737a7f | Iustin Pop | """
|
932 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "jobqueue_update", |
933 | 12bce260 | Michael Hanselmann | [file_name, cls._Compress(content)], |
934 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
935 | ca52cdeb | Michael Hanselmann | |
936 | 9a525d83 | Michael Hanselmann | @classmethod
|
937 | 9a525d83 | Michael Hanselmann | def call_jobqueue_purge(cls, node): |
938 | 72737a7f | Iustin Pop | """Purge job queue.
|
939 | ca52cdeb | Michael Hanselmann |
|
940 | 72737a7f | Iustin Pop | This is a single-node call.
|
941 | ca52cdeb | Michael Hanselmann |
|
942 | 72737a7f | Iustin Pop | """
|
943 | 9a525d83 | Michael Hanselmann | return cls._StaticSingleNodeCall(node, "jobqueue_purge", []) |
944 | af5ebcb1 | Michael Hanselmann | |
945 | 9a525d83 | Michael Hanselmann | @classmethod
|
946 | 9a525d83 | Michael Hanselmann | def call_jobqueue_rename(cls, node_list, address_list, old, new): |
947 | 72737a7f | Iustin Pop | """Rename a job queue file.
|
948 | af5ebcb1 | Michael Hanselmann |
|
949 | 72737a7f | Iustin Pop | This is a multi-node call.
|
950 | af5ebcb1 | Michael Hanselmann |
|
951 | 72737a7f | Iustin Pop | """
|
952 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "jobqueue_rename", [old, new], |
953 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
954 | 6217e295 | Iustin Pop | |
955 | 9a525d83 | Michael Hanselmann | @classmethod
|
956 | 9a525d83 | Michael Hanselmann | def call_jobqueue_set_drain(cls, node_list, drain_flag): |
957 | 5d672980 | Iustin Pop | """Set the drain flag on the queue.
|
958 | 5d672980 | Iustin Pop |
|
959 | 5d672980 | Iustin Pop | This is a multi-node call.
|
960 | 5d672980 | Iustin Pop |
|
961 | 5d672980 | Iustin Pop | @type node_list: list
|
962 | 5d672980 | Iustin Pop | @param node_list: the list of nodes to query
|
963 | 5d672980 | Iustin Pop | @type drain_flag: bool
|
964 | 5d672980 | Iustin Pop | @param drain_flag: if True, will set the drain flag, otherwise reset it.
|
965 | 5d672980 | Iustin Pop |
|
966 | 5d672980 | Iustin Pop | """
|
967 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "jobqueue_set_drain", |
968 | 9a525d83 | Michael Hanselmann | [drain_flag]) |
969 | 5d672980 | Iustin Pop | |
970 | 6217e295 | Iustin Pop | def call_hypervisor_validate_params(self, node_list, hvname, hvparams): |
971 | 6217e295 | Iustin Pop | """Validate the hypervisor params.
|
972 | 6217e295 | Iustin Pop |
|
973 | 6217e295 | Iustin Pop | This is a multi-node call.
|
974 | 6217e295 | Iustin Pop |
|
975 | 6217e295 | Iustin Pop | @type node_list: list
|
976 | 6217e295 | Iustin Pop | @param node_list: the list of nodes to query
|
977 | 6217e295 | Iustin Pop | @type hvname: string
|
978 | 6217e295 | Iustin Pop | @param hvname: the hypervisor name
|
979 | 6217e295 | Iustin Pop | @type hvparams: dict
|
980 | 6217e295 | Iustin Pop | @param hvparams: the hypervisor parameters to be validated
|
981 | 6217e295 | Iustin Pop |
|
982 | 6217e295 | Iustin Pop | """
|
983 | 6217e295 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
|
984 | 6217e295 | Iustin Pop | hv_full = cluster.FillDict(cluster.hvparams.get(hvname, {}), hvparams) |
985 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "hypervisor_validate_params", |
986 | 9a525d83 | Michael Hanselmann | [hvname, hv_full]) |