root / lib / rpc / node.py @ 8e8cf324
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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | 91c17910 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 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 | b459a848 | Andrea Spadaccini | # pylint: disable=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 | 58b311ca | Iustin Pop | import logging |
34 | 12bce260 | Michael Hanselmann | import zlib |
35 | 12bce260 | Michael Hanselmann | import base64 |
36 | 33231500 | Michael Hanselmann | import pycurl |
37 | 33231500 | Michael Hanselmann | import threading |
38 | cbe4a0a5 | Dimitris Aragiorgis | import copy |
39 | d5104ca4 | Helga Velroyen | import os |
40 | a8083063 | Iustin Pop | |
41 | a8083063 | Iustin Pop | from ganeti import utils |
42 | a8083063 | Iustin Pop | from ganeti import objects |
43 | ecfe9491 | Michael Hanselmann | from ganeti import http |
44 | 7c28c575 | Michael Hanselmann | from ganeti import serializer |
45 | eafd8762 | Michael Hanselmann | from ganeti import constants |
46 | 781de953 | Iustin Pop | from ganeti import errors |
47 | a744b676 | Manuel Franceschini | from ganeti import netutils |
48 | eb202c13 | Manuel Franceschini | from ganeti import ssconf |
49 | 9a914f7a | René Nussbaumer | from ganeti import runtime |
50 | 00267bfe | Michael Hanselmann | from ganeti import compat |
51 | cd40dc53 | Michael Hanselmann | from ganeti import rpc_defs |
52 | 80ec9f96 | Michael Hanselmann | from ganeti import pathutils |
53 | cffbbae7 | Michael Hanselmann | from ganeti import vcluster |
54 | a8083063 | Iustin Pop | |
55 | 200de241 | Michael Hanselmann | # Special module generated at build time
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56 | 200de241 | Michael Hanselmann | from ganeti import _generated_rpc |
57 | 200de241 | Michael Hanselmann | |
58 | fe267188 | Iustin Pop | # pylint has a bug here, doesn't see this import
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59 | b459a848 | Andrea Spadaccini | import ganeti.http.client # pylint: disable=W0611 |
60 | ae88ef45 | Michael Hanselmann | |
61 | a8083063 | Iustin Pop | |
62 | 33231500 | Michael Hanselmann | _RPC_CLIENT_HEADERS = [ |
63 | 33231500 | Michael Hanselmann | "Content-type: %s" % http.HTTP_APP_JSON,
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64 | 8e29563f | Iustin Pop | "Expect:",
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65 | 33231500 | Michael Hanselmann | ] |
66 | 4331f6cd | Michael Hanselmann | |
67 | 00267bfe | Michael Hanselmann | #: Special value to describe an offline host
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68 | 00267bfe | Michael Hanselmann | _OFFLINE = object()
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69 | 00267bfe | Michael Hanselmann | |
70 | 4331f6cd | Michael Hanselmann | |
71 | 4331f6cd | Michael Hanselmann | def Init(): |
72 | 4331f6cd | Michael Hanselmann | """Initializes the module-global HTTP client manager.
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73 | 4331f6cd | Michael Hanselmann |
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74 | 33231500 | Michael Hanselmann | Must be called before using any RPC function and while exactly one thread is
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75 | 33231500 | Michael Hanselmann | running.
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76 | 4331f6cd | Michael Hanselmann |
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77 | 4331f6cd | Michael Hanselmann | """
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78 | 33231500 | Michael Hanselmann | # curl_global_init(3) and curl_global_cleanup(3) must be called with only
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79 | 33231500 | Michael Hanselmann | # one thread running. This check is just a safety measure -- it doesn't
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80 | 33231500 | Michael Hanselmann | # cover all cases.
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81 | 33231500 | Michael Hanselmann | assert threading.activeCount() == 1, \ |
82 | 33231500 | Michael Hanselmann | "Found more than one active thread when initializing pycURL"
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83 | 4331f6cd | Michael Hanselmann | |
84 | 33231500 | Michael Hanselmann | logging.info("Using PycURL %s", pycurl.version)
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85 | 8d0a4f99 | Michael Hanselmann | |
86 | 33231500 | Michael Hanselmann | pycurl.global_init(pycurl.GLOBAL_ALL) |
87 | 4331f6cd | Michael Hanselmann | |
88 | 4331f6cd | Michael Hanselmann | |
89 | 4331f6cd | Michael Hanselmann | def Shutdown(): |
90 | 4331f6cd | Michael Hanselmann | """Stops the module-global HTTP client manager.
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91 | 4331f6cd | Michael Hanselmann |
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92 | 33231500 | Michael Hanselmann | Must be called before quitting the program and while exactly one thread is
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93 | 33231500 | Michael Hanselmann | running.
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94 | 4331f6cd | Michael Hanselmann |
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95 | 4331f6cd | Michael Hanselmann | """
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96 | 33231500 | Michael Hanselmann | pycurl.global_cleanup() |
97 | 33231500 | Michael Hanselmann | |
98 | 33231500 | Michael Hanselmann | |
99 | 33231500 | Michael Hanselmann | def _ConfigRpcCurl(curl): |
100 | 80ec9f96 | Michael Hanselmann | noded_cert = str(pathutils.NODED_CERT_FILE)
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101 | d5104ca4 | Helga Velroyen | noded_client_cert = str(pathutils.NODED_CLIENT_CERT_FILE)
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102 | d5104ca4 | Helga Velroyen | |
103 | d5104ca4 | Helga Velroyen | # FIXME: The next two lines are necessary to ensure upgradability from
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104 | d5104ca4 | Helga Velroyen | # 2.10 to 2.11. Remove in 2.12, because this slows down RPC calls.
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105 | d5104ca4 | Helga Velroyen | if not os.path.exists(noded_client_cert): |
106 | d5104ca4 | Helga Velroyen | logging.info("Using server certificate as client certificate for RPC"
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107 | d5104ca4 | Helga Velroyen | "call.")
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108 | d5104ca4 | Helga Velroyen | noded_client_cert = noded_cert |
109 | 4331f6cd | Michael Hanselmann | |
110 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.FOLLOWLOCATION, False)
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111 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.CAINFO, noded_cert) |
112 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSL_VERIFYHOST, 0)
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113 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSL_VERIFYPEER, True)
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114 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLCERTTYPE, "PEM")
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115 | d5104ca4 | Helga Velroyen | curl.setopt(pycurl.SSLCERT, noded_client_cert) |
116 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLKEYTYPE, "PEM")
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117 | d5104ca4 | Helga Velroyen | curl.setopt(pycurl.SSLKEY, noded_client_cert) |
118 | 2ff587d4 | Agata Murawska | curl.setopt(pycurl.CONNECTTIMEOUT, constants.RPC_CONNECT_TIMEOUT) |
119 | 33231500 | Michael Hanselmann | |
120 | 33231500 | Michael Hanselmann | |
121 | e0e916fe | Iustin Pop | def RunWithRPC(fn): |
122 | e0e916fe | Iustin Pop | """RPC-wrapper decorator.
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123 | e0e916fe | Iustin Pop |
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124 | e0e916fe | Iustin Pop | When applied to a function, it runs it with the RPC system
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125 | e0e916fe | Iustin Pop | initialized, and it shutsdown the system afterwards. This means the
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126 | e0e916fe | Iustin Pop | function must be called without RPC being initialized.
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127 | e0e916fe | Iustin Pop |
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128 | e0e916fe | Iustin Pop | """
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129 | e0e916fe | Iustin Pop | def wrapper(*args, **kwargs): |
130 | e0e916fe | Iustin Pop | Init() |
131 | e0e916fe | Iustin Pop | try:
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132 | e0e916fe | Iustin Pop | return fn(*args, **kwargs)
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133 | e0e916fe | Iustin Pop | finally:
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134 | e0e916fe | Iustin Pop | Shutdown() |
135 | e0e916fe | Iustin Pop | return wrapper
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136 | e0e916fe | Iustin Pop | |
137 | e0e916fe | Iustin Pop | |
138 | 0c3d9c7c | Thomas Thrainer | def _Compress(_, data): |
139 | 30474135 | Michael Hanselmann | """Compresses a string for transport over RPC.
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140 | 30474135 | Michael Hanselmann |
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141 | 30474135 | Michael Hanselmann | Small amounts of data are not compressed.
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142 | 30474135 | Michael Hanselmann |
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143 | 30474135 | Michael Hanselmann | @type data: str
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144 | 30474135 | Michael Hanselmann | @param data: Data
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145 | 30474135 | Michael Hanselmann | @rtype: tuple
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146 | 30474135 | Michael Hanselmann | @return: Encoded data to send
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147 | 30474135 | Michael Hanselmann |
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148 | 30474135 | Michael Hanselmann | """
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149 | 30474135 | Michael Hanselmann | # Small amounts of data are not compressed
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150 | 30474135 | Michael Hanselmann | if len(data) < 512: |
151 | 30474135 | Michael Hanselmann | return (constants.RPC_ENCODING_NONE, data)
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152 | 30474135 | Michael Hanselmann | |
153 | 30474135 | Michael Hanselmann | # Compress with zlib and encode in base64
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154 | 30474135 | Michael Hanselmann | return (constants.RPC_ENCODING_ZLIB_BASE64,
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155 | 30474135 | Michael Hanselmann | base64.b64encode(zlib.compress(data, 3)))
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156 | 30474135 | Michael Hanselmann | |
157 | 30474135 | Michael Hanselmann | |
158 | 781de953 | Iustin Pop | class RpcResult(object): |
159 | 781de953 | Iustin Pop | """RPC Result class.
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160 | 781de953 | Iustin Pop |
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161 | 781de953 | Iustin Pop | This class holds an RPC result. It is needed since in multi-node
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162 | 05325a35 | Bernardo Dal Seno | calls we can't raise an exception just because one out of many
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163 | 781de953 | Iustin Pop | failed, and therefore we use this class to encapsulate the result.
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164 | 781de953 | Iustin Pop |
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165 | 5bbd3f7f | Michael Hanselmann | @ivar data: the data payload, for successful results, or None
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166 | ed83f5cc | Iustin Pop | @ivar call: the name of the RPC call
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167 | ed83f5cc | Iustin Pop | @ivar node: the name of the node to which we made the call
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168 | ed83f5cc | Iustin Pop | @ivar offline: whether the operation failed because the node was
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169 | ed83f5cc | Iustin Pop | offline, as opposed to actual failure; offline=True will always
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170 | ed83f5cc | Iustin Pop | imply failed=True, in order to allow simpler checking if
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171 | ed83f5cc | Iustin Pop | the user doesn't care about the exact failure mode
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172 | 4c4e4e1e | Iustin Pop | @ivar fail_msg: the error message if the call failed
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173 | ed83f5cc | Iustin Pop |
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174 | 781de953 | Iustin Pop | """
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175 | ed83f5cc | Iustin Pop | def __init__(self, data=None, failed=False, offline=False, |
176 | ed83f5cc | Iustin Pop | call=None, node=None): |
177 | ed83f5cc | Iustin Pop | self.offline = offline
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178 | ed83f5cc | Iustin Pop | self.call = call
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179 | ed83f5cc | Iustin Pop | self.node = node
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180 | 1645d22d | Michael Hanselmann | |
181 | ed83f5cc | Iustin Pop | if offline:
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182 | 4c4e4e1e | Iustin Pop | self.fail_msg = "Node is marked offline" |
183 | f2def43a | Iustin Pop | self.data = self.payload = None |
184 | ed83f5cc | Iustin Pop | elif failed:
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185 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(data) |
186 | f2def43a | Iustin Pop | self.data = self.payload = None |
187 | 781de953 | Iustin Pop | else:
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188 | 781de953 | Iustin Pop | self.data = data
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189 | d3c8b360 | Iustin Pop | if not isinstance(self.data, (tuple, list)): |
190 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result type (%s)" % |
191 | 4c4e4e1e | Iustin Pop | type(self.data)) |
192 | 1645d22d | Michael Hanselmann | self.payload = None |
193 | d3c8b360 | Iustin Pop | elif len(data) != 2: |
194 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result length (%d), " |
195 | 4c4e4e1e | Iustin Pop | "expected 2" % len(self.data)) |
196 | 1645d22d | Michael Hanselmann | self.payload = None |
197 | d3c8b360 | Iustin Pop | elif not self.data[0]: |
198 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(self.data[1]) |
199 | 1645d22d | Michael Hanselmann | self.payload = None |
200 | f2def43a | Iustin Pop | else:
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201 | d3c8b360 | Iustin Pop | # finally success
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202 | 4c4e4e1e | Iustin Pop | self.fail_msg = None |
203 | d3c8b360 | Iustin Pop | self.payload = data[1] |
204 | d3c8b360 | Iustin Pop | |
205 | 2c0f74f2 | Iustin Pop | for attr_name in ["call", "data", "fail_msg", |
206 | 2c0f74f2 | Iustin Pop | "node", "offline", "payload"]: |
207 | 2c0f74f2 | Iustin Pop | assert hasattr(self, attr_name), "Missing attribute %s" % attr_name |
208 | 1645d22d | Michael Hanselmann | |
209 | 47c477c8 | Petr Pudlak | def __repr__(self): |
210 | 47c477c8 | Petr Pudlak | return ("RpcResult(data=%s, call=%s, node=%s, offline=%s, fail_msg=%s)" % |
211 | 47c477c8 | Petr Pudlak | (self.offline, self.call, self.node, self.offline, self.fail_msg)) |
212 | 47c477c8 | Petr Pudlak | |
213 | d3c8b360 | Iustin Pop | @staticmethod
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214 | d3c8b360 | Iustin Pop | def _EnsureErr(val): |
215 | d3c8b360 | Iustin Pop | """Helper to ensure we return a 'True' value for error."""
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216 | d3c8b360 | Iustin Pop | if val:
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217 | d3c8b360 | Iustin Pop | return val
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218 | d3c8b360 | Iustin Pop | else:
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219 | d3c8b360 | Iustin Pop | return "No error information" |
220 | 781de953 | Iustin Pop | |
221 | 045dd6d9 | Iustin Pop | def Raise(self, msg, prereq=False, ecode=None): |
222 | 781de953 | Iustin Pop | """If the result has failed, raise an OpExecError.
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223 | 781de953 | Iustin Pop |
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224 | 781de953 | Iustin Pop | This is used so that LU code doesn't have to check for each
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225 | 781de953 | Iustin Pop | result, but instead can call this function.
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226 | 781de953 | Iustin Pop |
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227 | 781de953 | Iustin Pop | """
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228 | 4c4e4e1e | Iustin Pop | if not self.fail_msg: |
229 | 4c4e4e1e | Iustin Pop | return
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230 | 4c4e4e1e | Iustin Pop | |
231 | 4c4e4e1e | Iustin Pop | if not msg: # one could pass None for default message |
232 | 4c4e4e1e | Iustin Pop | msg = ("Call '%s' to node '%s' has failed: %s" %
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233 | 4c4e4e1e | Iustin Pop | (self.call, self.node, self.fail_msg)) |
234 | 4c4e4e1e | Iustin Pop | else:
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235 | 4c4e4e1e | Iustin Pop | msg = "%s: %s" % (msg, self.fail_msg) |
236 | 4c4e4e1e | Iustin Pop | if prereq:
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237 | 4c4e4e1e | Iustin Pop | ec = errors.OpPrereqError |
238 | 4c4e4e1e | Iustin Pop | else:
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239 | 4c4e4e1e | Iustin Pop | ec = errors.OpExecError |
240 | 045dd6d9 | Iustin Pop | if ecode is not None: |
241 | 27137e55 | Iustin Pop | args = (msg, ecode) |
242 | 045dd6d9 | Iustin Pop | else:
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243 | 045dd6d9 | Iustin Pop | args = (msg, ) |
244 | b459a848 | Andrea Spadaccini | raise ec(*args) # pylint: disable=W0142 |
245 | 781de953 | Iustin Pop | |
246 | 95e7e85e | Klaus Aehlig | def Warn(self, msg, feedback_fn): |
247 | 95e7e85e | Klaus Aehlig | """If the result has failed, call the feedback_fn.
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248 | 95e7e85e | Klaus Aehlig |
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249 | 95e7e85e | Klaus Aehlig | This is used to in cases were LU wants to warn the
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250 | 95e7e85e | Klaus Aehlig | user about a failure, but continue anyway.
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251 | 95e7e85e | Klaus Aehlig |
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252 | 95e7e85e | Klaus Aehlig | """
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253 | 95e7e85e | Klaus Aehlig | if not self.fail_msg: |
254 | 95e7e85e | Klaus Aehlig | return
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255 | 95e7e85e | Klaus Aehlig | |
256 | 95e7e85e | Klaus Aehlig | msg = "%s: %s" % (msg, self.fail_msg) |
257 | 95e7e85e | Klaus Aehlig | feedback_fn(msg) |
258 | 95e7e85e | Klaus Aehlig | |
259 | 781de953 | Iustin Pop | |
260 | bd6d1202 | René Nussbaumer | def _SsconfResolver(ssconf_ips, node_list, _, |
261 | 00267bfe | Michael Hanselmann | ssc=ssconf.SimpleStore, |
262 | 00267bfe | Michael Hanselmann | nslookup_fn=netutils.Hostname.GetIP): |
263 | eb202c13 | Manuel Franceschini | """Return addresses for given node names.
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264 | eb202c13 | Manuel Franceschini |
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265 | bd6d1202 | René Nussbaumer | @type ssconf_ips: bool
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266 | bd6d1202 | René Nussbaumer | @param ssconf_ips: Use the ssconf IPs
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267 | eb202c13 | Manuel Franceschini | @type node_list: list
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268 | eb202c13 | Manuel Franceschini | @param node_list: List of node names
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269 | eb202c13 | Manuel Franceschini | @type ssc: class
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270 | eb202c13 | Manuel Franceschini | @param ssc: SimpleStore class that is used to obtain node->ip mappings
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271 | 17f7fd27 | Manuel Franceschini | @type nslookup_fn: callable
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272 | 17f7fd27 | Manuel Franceschini | @param nslookup_fn: function use to do NS lookup
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273 | 00267bfe | Michael Hanselmann | @rtype: list of tuple; (string, string)
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274 | 00267bfe | Michael Hanselmann | @return: List of tuples containing node name and IP address
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275 | eb202c13 | Manuel Franceschini |
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276 | eb202c13 | Manuel Franceschini | """
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277 | b43dcc5a | Manuel Franceschini | ss = ssc() |
278 | b43dcc5a | Manuel Franceschini | family = ss.GetPrimaryIPFamily() |
279 | bd6d1202 | René Nussbaumer | |
280 | bd6d1202 | René Nussbaumer | if ssconf_ips:
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281 | bd6d1202 | René Nussbaumer | iplist = ss.GetNodePrimaryIPList() |
282 | bd6d1202 | René Nussbaumer | ipmap = dict(entry.split() for entry in iplist) |
283 | bd6d1202 | René Nussbaumer | else:
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284 | bd6d1202 | René Nussbaumer | ipmap = {} |
285 | 00267bfe | Michael Hanselmann | |
286 | 00267bfe | Michael Hanselmann | result = [] |
287 | b705c7a6 | Manuel Franceschini | for node in node_list: |
288 | 00267bfe | Michael Hanselmann | ip = ipmap.get(node) |
289 | 00267bfe | Michael Hanselmann | if ip is None: |
290 | 00267bfe | Michael Hanselmann | ip = nslookup_fn(node, family=family) |
291 | 1c3231aa | Thomas Thrainer | result.append((node, ip, node)) |
292 | 00267bfe | Michael Hanselmann | |
293 | 00267bfe | Michael Hanselmann | return result
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294 | 00267bfe | Michael Hanselmann | |
295 | 00267bfe | Michael Hanselmann | |
296 | 00267bfe | Michael Hanselmann | class _StaticResolver: |
297 | 00267bfe | Michael Hanselmann | def __init__(self, addresses): |
298 | 00267bfe | Michael Hanselmann | """Initializes this class.
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299 | 00267bfe | Michael Hanselmann |
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300 | 00267bfe | Michael Hanselmann | """
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301 | 00267bfe | Michael Hanselmann | self._addresses = addresses
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302 | 00267bfe | Michael Hanselmann | |
303 | fce5efd1 | Michael Hanselmann | def __call__(self, hosts, _): |
304 | 00267bfe | Michael Hanselmann | """Returns static addresses for hosts.
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305 | 00267bfe | Michael Hanselmann |
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306 | 00267bfe | Michael Hanselmann | """
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307 | 00267bfe | Michael Hanselmann | assert len(hosts) == len(self._addresses) |
308 | 1c3231aa | Thomas Thrainer | return zip(hosts, self._addresses, hosts) |
309 | 00267bfe | Michael Hanselmann | |
310 | eb202c13 | Manuel Franceschini | |
311 | 1c3231aa | Thomas Thrainer | def _CheckConfigNode(node_uuid_or_name, node, accept_offline_node): |
312 | 00267bfe | Michael Hanselmann | """Checks if a node is online.
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313 | eb202c13 | Manuel Franceschini |
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314 | 1c3231aa | Thomas Thrainer | @type node_uuid_or_name: string
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315 | 1c3231aa | Thomas Thrainer | @param node_uuid_or_name: Node UUID
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316 | 00267bfe | Michael Hanselmann | @type node: L{objects.Node} or None
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317 | 00267bfe | Michael Hanselmann | @param node: Node object
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318 | eb202c13 | Manuel Franceschini |
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319 | 00267bfe | Michael Hanselmann | """
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320 | 00267bfe | Michael Hanselmann | if node is None: |
321 | 1c3231aa | Thomas Thrainer | # Assume that the passed parameter was actually a node name, so depend on
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322 | 1c3231aa | Thomas Thrainer | # DNS for name resolution
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323 | 1c3231aa | Thomas Thrainer | return (node_uuid_or_name, node_uuid_or_name, node_uuid_or_name)
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324 | 00267bfe | Michael Hanselmann | else:
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325 | 1c3231aa | Thomas Thrainer | if node.offline and not accept_offline_node: |
326 | 1c3231aa | Thomas Thrainer | ip = _OFFLINE |
327 | 1c3231aa | Thomas Thrainer | else:
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328 | 1c3231aa | Thomas Thrainer | ip = node.primary_ip |
329 | 1c3231aa | Thomas Thrainer | return (node.name, ip, node_uuid_or_name)
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330 | a8083063 | Iustin Pop | |
331 | a8083063 | Iustin Pop | |
332 | 1c3231aa | Thomas Thrainer | def _NodeConfigResolver(single_node_fn, all_nodes_fn, node_uuids, opts): |
333 | 00267bfe | Michael Hanselmann | """Calculate node addresses using configuration.
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334 | a8083063 | Iustin Pop |
|
335 | 1c3231aa | Thomas Thrainer | Note that strings in node_uuids are treated as node names if the UUID is not
|
336 | 1c3231aa | Thomas Thrainer | found in the configuration.
|
337 | 1c3231aa | Thomas Thrainer |
|
338 | a8083063 | Iustin Pop | """
|
339 | 890ea4ce | Michael Hanselmann | accept_offline_node = (opts is rpc_defs.ACCEPT_OFFLINE_NODE)
|
340 | 890ea4ce | Michael Hanselmann | |
341 | 890ea4ce | Michael Hanselmann | assert accept_offline_node or opts is None, "Unknown option" |
342 | 890ea4ce | Michael Hanselmann | |
343 | 00267bfe | Michael Hanselmann | # Special case for single-host lookups
|
344 | 1c3231aa | Thomas Thrainer | if len(node_uuids) == 1: |
345 | 1c3231aa | Thomas Thrainer | (uuid, ) = node_uuids |
346 | 1c3231aa | Thomas Thrainer | return [_CheckConfigNode(uuid, single_node_fn(uuid), accept_offline_node)]
|
347 | 00267bfe | Michael Hanselmann | else:
|
348 | 00267bfe | Michael Hanselmann | all_nodes = all_nodes_fn() |
349 | 1c3231aa | Thomas Thrainer | return [_CheckConfigNode(uuid, all_nodes.get(uuid, None), |
350 | 890ea4ce | Michael Hanselmann | accept_offline_node) |
351 | 1c3231aa | Thomas Thrainer | for uuid in node_uuids] |
352 | 00267bfe | Michael Hanselmann | |
353 | 00267bfe | Michael Hanselmann | |
354 | 00267bfe | Michael Hanselmann | class _RpcProcessor: |
355 | aea5caef | Michael Hanselmann | def __init__(self, resolver, port, lock_monitor_cb=None): |
356 | 00267bfe | Michael Hanselmann | """Initializes this class.
|
357 | 00267bfe | Michael Hanselmann |
|
358 | 1c3231aa | Thomas Thrainer | @param resolver: callable accepting a list of node UUIDs or hostnames,
|
359 | 1c3231aa | Thomas Thrainer | returning a list of tuples containing name, IP address and original name
|
360 | 1c3231aa | Thomas Thrainer | of the resolved node. IP address can be the name or the special value
|
361 | 1c3231aa | Thomas Thrainer | L{_OFFLINE} to mark offline machines.
|
362 | 00267bfe | Michael Hanselmann | @type port: int
|
363 | 00267bfe | Michael Hanselmann | @param port: TCP port
|
364 | aea5caef | Michael Hanselmann | @param lock_monitor_cb: Callable for registering with lock monitor
|
365 | 3ef3c771 | Iustin Pop |
|
366 | a8083063 | Iustin Pop | """
|
367 | 00267bfe | Michael Hanselmann | self._resolver = resolver
|
368 | 00267bfe | Michael Hanselmann | self._port = port
|
369 | aea5caef | Michael Hanselmann | self._lock_monitor_cb = lock_monitor_cb
|
370 | eb202c13 | Manuel Franceschini | |
371 | 00267bfe | Michael Hanselmann | @staticmethod
|
372 | 00267bfe | Michael Hanselmann | def _PrepareRequests(hosts, port, procedure, body, read_timeout): |
373 | 00267bfe | Michael Hanselmann | """Prepares requests by sorting offline hosts into separate list.
|
374 | eb202c13 | Manuel Franceschini |
|
375 | d9de612c | Iustin Pop | @type body: dict
|
376 | d9de612c | Iustin Pop | @param body: a dictionary with per-host body data
|
377 | d9de612c | Iustin Pop |
|
378 | 00267bfe | Michael Hanselmann | """
|
379 | 00267bfe | Michael Hanselmann | results = {} |
380 | 00267bfe | Michael Hanselmann | requests = {} |
381 | bdf7d8c0 | Iustin Pop | |
382 | d9de612c | Iustin Pop | assert isinstance(body, dict) |
383 | d9de612c | Iustin Pop | assert len(body) == len(hosts) |
384 | d9de612c | Iustin Pop | assert compat.all(isinstance(v, str) for v in body.values()) |
385 | 1c3231aa | Thomas Thrainer | assert frozenset(map(lambda x: x[2], hosts)) == frozenset(body.keys()), \ |
386 | d9de612c | Iustin Pop | "%s != %s" % (hosts, body.keys())
|
387 | d9de612c | Iustin Pop | |
388 | 1c3231aa | Thomas Thrainer | for (name, ip, original_name) in hosts: |
389 | 00267bfe | Michael Hanselmann | if ip is _OFFLINE: |
390 | 00267bfe | Michael Hanselmann | # Node is marked as offline
|
391 | 1c3231aa | Thomas Thrainer | results[original_name] = RpcResult(node=name, |
392 | 1c3231aa | Thomas Thrainer | offline=True,
|
393 | 1c3231aa | Thomas Thrainer | call=procedure) |
394 | 00267bfe | Michael Hanselmann | else:
|
395 | 1c3231aa | Thomas Thrainer | requests[original_name] = \ |
396 | 00267bfe | Michael Hanselmann | http.client.HttpClientRequest(str(ip), port,
|
397 | 7530364d | Iustin Pop | http.HTTP_POST, str("/%s" % procedure), |
398 | 00267bfe | Michael Hanselmann | headers=_RPC_CLIENT_HEADERS, |
399 | 1c3231aa | Thomas Thrainer | post_data=body[original_name], |
400 | 7cb2d205 | Michael Hanselmann | read_timeout=read_timeout, |
401 | abbf2cd9 | Michael Hanselmann | nicename="%s/%s" % (name, procedure),
|
402 | abbf2cd9 | Michael Hanselmann | curl_config_fn=_ConfigRpcCurl) |
403 | a8083063 | Iustin Pop | |
404 | 00267bfe | Michael Hanselmann | return (results, requests)
|
405 | 00267bfe | Michael Hanselmann | |
406 | 00267bfe | Michael Hanselmann | @staticmethod
|
407 | 00267bfe | Michael Hanselmann | def _CombineResults(results, requests, procedure): |
408 | 00267bfe | Michael Hanselmann | """Combines pre-computed results for offline hosts with actual call results.
|
409 | bdf7d8c0 | Iustin Pop |
|
410 | a8083063 | Iustin Pop | """
|
411 | 00267bfe | Michael Hanselmann | for name, req in requests.items(): |
412 | 00267bfe | Michael Hanselmann | if req.success and req.resp_status_code == http.HTTP_OK: |
413 | 00267bfe | Michael Hanselmann | host_result = RpcResult(data=serializer.LoadJson(req.resp_body), |
414 | 00267bfe | Michael Hanselmann | node=name, call=procedure) |
415 | 00267bfe | Michael Hanselmann | else:
|
416 | 00267bfe | Michael Hanselmann | # TODO: Better error reporting
|
417 | 00267bfe | Michael Hanselmann | if req.error:
|
418 | 00267bfe | Michael Hanselmann | msg = req.error |
419 | 00267bfe | Michael Hanselmann | else:
|
420 | 00267bfe | Michael Hanselmann | msg = req.resp_body |
421 | eb202c13 | Manuel Franceschini | |
422 | 00267bfe | Michael Hanselmann | logging.error("RPC error in %s on node %s: %s", procedure, name, msg)
|
423 | 00267bfe | Michael Hanselmann | host_result = RpcResult(data=msg, failed=True, node=name,
|
424 | 00267bfe | Michael Hanselmann | call=procedure) |
425 | ecfe9491 | Michael Hanselmann | |
426 | 00267bfe | Michael Hanselmann | results[name] = host_result |
427 | 92fd2250 | Iustin Pop | |
428 | 00267bfe | Michael Hanselmann | return results
|
429 | a8083063 | Iustin Pop | |
430 | 1c3231aa | Thomas Thrainer | def __call__(self, nodes, procedure, body, read_timeout, resolver_opts, |
431 | 065be3f0 | Michael Hanselmann | _req_process_fn=None):
|
432 | 00267bfe | Michael Hanselmann | """Makes an RPC request to a number of nodes.
|
433 | ecfe9491 | Michael Hanselmann |
|
434 | 1c3231aa | Thomas Thrainer | @type nodes: sequence
|
435 | 1c3231aa | Thomas Thrainer | @param nodes: node UUIDs or Hostnames
|
436 | 00267bfe | Michael Hanselmann | @type procedure: string
|
437 | 00267bfe | Michael Hanselmann | @param procedure: Request path
|
438 | d9de612c | Iustin Pop | @type body: dictionary
|
439 | d9de612c | Iustin Pop | @param body: dictionary with request bodies per host
|
440 | 00267bfe | Michael Hanselmann | @type read_timeout: int or None
|
441 | 00267bfe | Michael Hanselmann | @param read_timeout: Read timeout for request
|
442 | 05325a35 | Bernardo Dal Seno | @rtype: dictionary
|
443 | 05325a35 | Bernardo Dal Seno | @return: a dictionary mapping host names to rpc.RpcResult objects
|
444 | a8083063 | Iustin Pop |
|
445 | a8083063 | Iustin Pop | """
|
446 | 83e7af18 | Michael Hanselmann | assert read_timeout is not None, \ |
447 | 83e7af18 | Michael Hanselmann | "Missing RPC read timeout for procedure '%s'" % procedure
|
448 | a8083063 | Iustin Pop | |
449 | 065be3f0 | Michael Hanselmann | if _req_process_fn is None: |
450 | 065be3f0 | Michael Hanselmann | _req_process_fn = http.client.ProcessRequests |
451 | 065be3f0 | Michael Hanselmann | |
452 | 00267bfe | Michael Hanselmann | (results, requests) = \ |
453 | 1c3231aa | Thomas Thrainer | self._PrepareRequests(self._resolver(nodes, resolver_opts), self._port, |
454 | fce5efd1 | Michael Hanselmann | procedure, body, read_timeout) |
455 | a8083063 | Iustin Pop | |
456 | abbf2cd9 | Michael Hanselmann | _req_process_fn(requests.values(), lock_monitor_cb=self._lock_monitor_cb)
|
457 | a8083063 | Iustin Pop | |
458 | 00267bfe | Michael Hanselmann | assert not frozenset(results).intersection(requests) |
459 | ecfe9491 | Michael Hanselmann | |
460 | 00267bfe | Michael Hanselmann | return self._CombineResults(results, requests, procedure) |
461 | a8083063 | Iustin Pop | |
462 | a8083063 | Iustin Pop | |
463 | cd40dc53 | Michael Hanselmann | class _RpcClientBase: |
464 | 065be3f0 | Michael Hanselmann | def __init__(self, resolver, encoder_fn, lock_monitor_cb=None, |
465 | 065be3f0 | Michael Hanselmann | _req_process_fn=None):
|
466 | cd40dc53 | Michael Hanselmann | """Initializes this class.
|
467 | cd40dc53 | Michael Hanselmann |
|
468 | cd40dc53 | Michael Hanselmann | """
|
469 | 065be3f0 | Michael Hanselmann | proc = _RpcProcessor(resolver, |
470 | 065be3f0 | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED), |
471 | 065be3f0 | Michael Hanselmann | lock_monitor_cb=lock_monitor_cb) |
472 | 065be3f0 | Michael Hanselmann | self._proc = compat.partial(proc, _req_process_fn=_req_process_fn)
|
473 | cd40dc53 | Michael Hanselmann | self._encoder = compat.partial(self._EncodeArg, encoder_fn) |
474 | cd40dc53 | Michael Hanselmann | |
475 | cd40dc53 | Michael Hanselmann | @staticmethod
|
476 | 0c3d9c7c | Thomas Thrainer | def _EncodeArg(encoder_fn, node, (argkind, value)): |
477 | cd40dc53 | Michael Hanselmann | """Encode argument.
|
478 | cd40dc53 | Michael Hanselmann |
|
479 | cd40dc53 | Michael Hanselmann | """
|
480 | cd40dc53 | Michael Hanselmann | if argkind is None: |
481 | cd40dc53 | Michael Hanselmann | return value
|
482 | cd40dc53 | Michael Hanselmann | else:
|
483 | 0c3d9c7c | Thomas Thrainer | return encoder_fn(argkind)(node, value)
|
484 | cd40dc53 | Michael Hanselmann | |
485 | f7d9b3aa | Michael Hanselmann | def _Call(self, cdef, node_list, args): |
486 | cd40dc53 | Michael Hanselmann | """Entry point for automatically generated RPC wrappers.
|
487 | cd40dc53 | Michael Hanselmann |
|
488 | cd40dc53 | Michael Hanselmann | """
|
489 | dd6d2d09 | Michael Hanselmann | (procedure, _, resolver_opts, timeout, argdefs, |
490 | dd6d2d09 | Michael Hanselmann | prep_fn, postproc_fn, _) = cdef |
491 | f7d9b3aa | Michael Hanselmann | |
492 | f7d9b3aa | Michael Hanselmann | if callable(timeout): |
493 | f7d9b3aa | Michael Hanselmann | read_timeout = timeout(args) |
494 | f7d9b3aa | Michael Hanselmann | else:
|
495 | f7d9b3aa | Michael Hanselmann | read_timeout = timeout |
496 | cd40dc53 | Michael Hanselmann | |
497 | dd6d2d09 | Michael Hanselmann | if callable(resolver_opts): |
498 | dd6d2d09 | Michael Hanselmann | req_resolver_opts = resolver_opts(args) |
499 | dd6d2d09 | Michael Hanselmann | else:
|
500 | dd6d2d09 | Michael Hanselmann | req_resolver_opts = resolver_opts |
501 | dd6d2d09 | Michael Hanselmann | |
502 | e78667fe | Michael Hanselmann | if len(args) != len(argdefs): |
503 | e78667fe | Michael Hanselmann | raise errors.ProgrammerError("Number of passed arguments doesn't match") |
504 | e78667fe | Michael Hanselmann | |
505 | d9de612c | Iustin Pop | if prep_fn is None: |
506 | 0c3d9c7c | Thomas Thrainer | prep_fn = lambda _, args: args
|
507 | 0c3d9c7c | Thomas Thrainer | assert callable(prep_fn) |
508 | 0c3d9c7c | Thomas Thrainer | |
509 | 0c3d9c7c | Thomas Thrainer | # encode the arguments for each node individually, pass them and the node
|
510 | 0c3d9c7c | Thomas Thrainer | # name to the prep_fn, and serialise its return value
|
511 | 0c3d9c7c | Thomas Thrainer | encode_args_fn = lambda node: map(compat.partial(self._encoder, node), |
512 | 0c3d9c7c | Thomas Thrainer | zip(map(compat.snd, argdefs), args)) |
513 | 1a182390 | Santi Raffa | pnbody = dict(
|
514 | 1a182390 | Santi Raffa | (n, |
515 | 1a182390 | Santi Raffa | serializer.DumpJson(prep_fn(n, encode_args_fn(n)), |
516 | 1a182390 | Santi Raffa | private_encoder=serializer.EncodeWithPrivateFields)) |
517 | 1a182390 | Santi Raffa | for n in node_list |
518 | 1a182390 | Santi Raffa | ) |
519 | d9de612c | Iustin Pop | |
520 | fce5efd1 | Michael Hanselmann | result = self._proc(node_list, procedure, pnbody, read_timeout,
|
521 | fce5efd1 | Michael Hanselmann | req_resolver_opts) |
522 | 26d502d0 | Michael Hanselmann | |
523 | 26d502d0 | Michael Hanselmann | if postproc_fn:
|
524 | d9da5065 | Michael Hanselmann | return dict(map(lambda (key, value): (key, postproc_fn(value)), |
525 | d9da5065 | Michael Hanselmann | result.items())) |
526 | 26d502d0 | Michael Hanselmann | else:
|
527 | 26d502d0 | Michael Hanselmann | return result
|
528 | cd40dc53 | Michael Hanselmann | |
529 | cd40dc53 | Michael Hanselmann | |
530 | 0c3d9c7c | Thomas Thrainer | def _ObjectToDict(_, value): |
531 | cd40dc53 | Michael Hanselmann | """Converts an object to a dictionary.
|
532 | cd40dc53 | Michael Hanselmann |
|
533 | cd40dc53 | Michael Hanselmann | @note: See L{objects}.
|
534 | cd40dc53 | Michael Hanselmann |
|
535 | cd40dc53 | Michael Hanselmann | """
|
536 | cd40dc53 | Michael Hanselmann | return value.ToDict()
|
537 | cd40dc53 | Michael Hanselmann | |
538 | cd40dc53 | Michael Hanselmann | |
539 | 0c3d9c7c | Thomas Thrainer | def _ObjectListToDict(node, value): |
540 | cd40dc53 | Michael Hanselmann | """Converts a list of L{objects} to dictionaries.
|
541 | cd40dc53 | Michael Hanselmann |
|
542 | cd40dc53 | Michael Hanselmann | """
|
543 | 0c3d9c7c | Thomas Thrainer | return map(compat.partial(_ObjectToDict, node), value) |
544 | cd40dc53 | Michael Hanselmann | |
545 | cd40dc53 | Michael Hanselmann | |
546 | 0c3d9c7c | Thomas Thrainer | def _PrepareFileUpload(getents_fn, node, filename): |
547 | cd40dc53 | Michael Hanselmann | """Loads a file and prepares it for an upload to nodes.
|
548 | cd40dc53 | Michael Hanselmann |
|
549 | cd40dc53 | Michael Hanselmann | """
|
550 | 2ce40421 | Michael Hanselmann | statcb = utils.FileStatHelper() |
551 | 0c3d9c7c | Thomas Thrainer | data = _Compress(node, utils.ReadFile(filename, preread=statcb)) |
552 | 2ce40421 | Michael Hanselmann | st = statcb.st |
553 | 601dfcbb | Michael Hanselmann | |
554 | 601dfcbb | Michael Hanselmann | if getents_fn is None: |
555 | 601dfcbb | Michael Hanselmann | getents_fn = runtime.GetEnts |
556 | 601dfcbb | Michael Hanselmann | |
557 | 601dfcbb | Michael Hanselmann | getents = getents_fn() |
558 | 601dfcbb | Michael Hanselmann | |
559 | cffbbae7 | Michael Hanselmann | virt_filename = vcluster.MakeVirtualPath(filename) |
560 | cffbbae7 | Michael Hanselmann | |
561 | cffbbae7 | Michael Hanselmann | return [virt_filename, data, st.st_mode, getents.LookupUid(st.st_uid),
|
562 | cd40dc53 | Michael Hanselmann | getents.LookupGid(st.st_gid), st.st_atime, st.st_mtime] |
563 | cd40dc53 | Michael Hanselmann | |
564 | cd40dc53 | Michael Hanselmann | |
565 | 0c3d9c7c | Thomas Thrainer | def _PrepareFinalizeExportDisks(_, snap_disks): |
566 | cd40dc53 | Michael Hanselmann | """Encodes disks for finalizing export.
|
567 | cd40dc53 | Michael Hanselmann |
|
568 | cd40dc53 | Michael Hanselmann | """
|
569 | cd40dc53 | Michael Hanselmann | flat_disks = [] |
570 | cd40dc53 | Michael Hanselmann | |
571 | cd40dc53 | Michael Hanselmann | for disk in snap_disks: |
572 | cd40dc53 | Michael Hanselmann | if isinstance(disk, bool): |
573 | cd40dc53 | Michael Hanselmann | flat_disks.append(disk) |
574 | cd40dc53 | Michael Hanselmann | else:
|
575 | cd40dc53 | Michael Hanselmann | flat_disks.append(disk.ToDict()) |
576 | cd40dc53 | Michael Hanselmann | |
577 | cd40dc53 | Michael Hanselmann | return flat_disks
|
578 | cd40dc53 | Michael Hanselmann | |
579 | cd40dc53 | Michael Hanselmann | |
580 | 0c3d9c7c | Thomas Thrainer | def _EncodeBlockdevRename(_, value): |
581 | cd40dc53 | Michael Hanselmann | """Encodes information for renaming block devices.
|
582 | cd40dc53 | Michael Hanselmann |
|
583 | cd40dc53 | Michael Hanselmann | """
|
584 | cd40dc53 | Michael Hanselmann | return [(d.ToDict(), uid) for d, uid in value] |
585 | cd40dc53 | Michael Hanselmann | |
586 | cd40dc53 | Michael Hanselmann | |
587 | 32389d91 | Helga Velroyen | def _AddSpindlesToLegacyNodeInfo(result, space_info): |
588 | 32389d91 | Helga Velroyen | """Extracts the spindle information from the space info and adds
|
589 | 32389d91 | Helga Velroyen | it to the result dictionary.
|
590 | 32389d91 | Helga Velroyen |
|
591 | 32389d91 | Helga Velroyen | @type result: dict of strings
|
592 | 32389d91 | Helga Velroyen | @param result: dictionary holding the result of the legacy node info
|
593 | 32389d91 | Helga Velroyen | @type space_info: list of dicts of strings
|
594 | 32389d91 | Helga Velroyen | @param space_info: list, each row holding space information of one storage
|
595 | 32389d91 | Helga Velroyen | unit
|
596 | 32389d91 | Helga Velroyen | @rtype: None
|
597 | 32389d91 | Helga Velroyen | @return: does not return anything, manipulates the C{result} variable
|
598 | 32389d91 | Helga Velroyen |
|
599 | 32389d91 | Helga Velroyen | """
|
600 | 32389d91 | Helga Velroyen | lvm_pv_info = utils.storage.LookupSpaceInfoByStorageType( |
601 | 32389d91 | Helga Velroyen | space_info, constants.ST_LVM_PV) |
602 | 32389d91 | Helga Velroyen | if lvm_pv_info:
|
603 | 32389d91 | Helga Velroyen | result["spindles_free"] = lvm_pv_info["storage_free"] |
604 | 32389d91 | Helga Velroyen | result["spindles_total"] = lvm_pv_info["storage_size"] |
605 | 20faaa74 | Helga Velroyen | else:
|
606 | 6c00b2c7 | Helga Velroyen | result["spindles_free"] = 0 |
607 | 6c00b2c7 | Helga Velroyen | result["spindles_total"] = 0 |
608 | 06fb92cf | Bernardo Dal Seno | |
609 | 06fb92cf | Bernardo Dal Seno | |
610 | 6c00b2c7 | Helga Velroyen | def _AddStorageInfoToLegacyNodeInfoByTemplate( |
611 | 6c00b2c7 | Helga Velroyen | result, space_info, disk_template): |
612 | 6c00b2c7 | Helga Velroyen | """Extracts the storage space information of the disk template from
|
613 | 32389d91 | Helga Velroyen | the space info and adds it to the result dictionary.
|
614 | 32389d91 | Helga Velroyen |
|
615 | 32389d91 | Helga Velroyen | @see: C{_AddSpindlesToLegacyNodeInfo} for parameter information.
|
616 | 06fb92cf | Bernardo Dal Seno |
|
617 | 06fb92cf | Bernardo Dal Seno | """
|
618 | 6c00b2c7 | Helga Velroyen | if utils.storage.DiskTemplateSupportsSpaceReporting(disk_template):
|
619 | 6c00b2c7 | Helga Velroyen | disk_info = utils.storage.LookupSpaceInfoByDiskTemplate( |
620 | 6c00b2c7 | Helga Velroyen | space_info, disk_template) |
621 | 6c00b2c7 | Helga Velroyen | result["name"] = disk_info["name"] |
622 | 6c00b2c7 | Helga Velroyen | result["storage_free"] = disk_info["storage_free"] |
623 | 6c00b2c7 | Helga Velroyen | result["storage_size"] = disk_info["storage_size"] |
624 | 06fb92cf | Bernardo Dal Seno | else:
|
625 | 6c00b2c7 | Helga Velroyen | # FIXME: consider displaying '-' in this case
|
626 | 6c00b2c7 | Helga Velroyen | result["storage_free"] = 0 |
627 | 6c00b2c7 | Helga Velroyen | result["storage_size"] = 0 |
628 | 06fb92cf | Bernardo Dal Seno | |
629 | 06fb92cf | Bernardo Dal Seno | |
630 | 6c00b2c7 | Helga Velroyen | def MakeLegacyNodeInfo(data, disk_template): |
631 | 4e745e62 | Santi Raffa | """Formats the data returned by call_node_info.
|
632 | b112bfc4 | René Nussbaumer |
|
633 | b112bfc4 | René Nussbaumer | Converts the data into a single dictionary. This is fine for most use cases,
|
634 | b112bfc4 | René Nussbaumer | but some require information from more than one volume group or hypervisor.
|
635 | b112bfc4 | René Nussbaumer |
|
636 | b112bfc4 | René Nussbaumer | """
|
637 | 32389d91 | Helga Velroyen | (bootid, space_info, (hv_info, )) = data |
638 | 91c17910 | Iustin Pop | |
639 | 91c17910 | Iustin Pop | ret = utils.JoinDisjointDicts(hv_info, {"bootid": bootid})
|
640 | 91c17910 | Iustin Pop | |
641 | 6c00b2c7 | Helga Velroyen | _AddSpindlesToLegacyNodeInfo(ret, space_info) |
642 | 6c00b2c7 | Helga Velroyen | _AddStorageInfoToLegacyNodeInfoByTemplate(ret, space_info, disk_template) |
643 | b112bfc4 | René Nussbaumer | |
644 | 91c17910 | Iustin Pop | return ret
|
645 | b112bfc4 | René Nussbaumer | |
646 | b112bfc4 | René Nussbaumer | |
647 | cd46491f | René Nussbaumer | def _AnnotateDParamsDRBD(disk, (drbd_params, data_params, meta_params)): |
648 | cd46491f | René Nussbaumer | """Annotates just DRBD disks layouts.
|
649 | cd46491f | René Nussbaumer |
|
650 | cd46491f | René Nussbaumer | """
|
651 | cd3b4ff4 | Helga Velroyen | assert disk.dev_type == constants.DT_DRBD8
|
652 | cd46491f | René Nussbaumer | |
653 | cd46491f | René Nussbaumer | disk.params = objects.FillDict(drbd_params, disk.params) |
654 | cd46491f | René Nussbaumer | (dev_data, dev_meta) = disk.children |
655 | cd46491f | René Nussbaumer | dev_data.params = objects.FillDict(data_params, dev_data.params) |
656 | cd46491f | René Nussbaumer | dev_meta.params = objects.FillDict(meta_params, dev_meta.params) |
657 | cd46491f | René Nussbaumer | |
658 | cd46491f | René Nussbaumer | return disk
|
659 | cd46491f | René Nussbaumer | |
660 | cd46491f | René Nussbaumer | |
661 | cd46491f | René Nussbaumer | def _AnnotateDParamsGeneric(disk, (params, )): |
662 | cd46491f | René Nussbaumer | """Generic disk parameter annotation routine.
|
663 | cd46491f | René Nussbaumer |
|
664 | cd46491f | René Nussbaumer | """
|
665 | cd3b4ff4 | Helga Velroyen | assert disk.dev_type != constants.DT_DRBD8
|
666 | cd46491f | René Nussbaumer | |
667 | cd46491f | René Nussbaumer | disk.params = objects.FillDict(params, disk.params) |
668 | cd46491f | René Nussbaumer | |
669 | cd46491f | René Nussbaumer | return disk
|
670 | cd46491f | René Nussbaumer | |
671 | cd46491f | René Nussbaumer | |
672 | 0c3d9c7c | Thomas Thrainer | def AnnotateDiskParams(disks, disk_params): |
673 | cd46491f | René Nussbaumer | """Annotates the disk objects with the disk parameters.
|
674 | cd46491f | René Nussbaumer |
|
675 | cd46491f | René Nussbaumer | @param disks: The list of disks objects to annotate
|
676 | 0c3d9c7c | Thomas Thrainer | @param disk_params: The disk parameters for annotation
|
677 | cd46491f | René Nussbaumer | @returns: A list of disk objects annotated
|
678 | cd46491f | René Nussbaumer |
|
679 | cd46491f | René Nussbaumer | """
|
680 | 0c3d9c7c | Thomas Thrainer | def AnnotateDisk(disk): |
681 | 0c3d9c7c | Thomas Thrainer | if disk.dev_type == constants.DT_DISKLESS:
|
682 | 0c3d9c7c | Thomas Thrainer | return disk
|
683 | cd46491f | René Nussbaumer | |
684 | 0c3d9c7c | Thomas Thrainer | ld_params = objects.Disk.ComputeLDParams(disk.dev_type, disk_params) |
685 | cd46491f | René Nussbaumer | |
686 | 0c3d9c7c | Thomas Thrainer | if disk.dev_type == constants.DT_DRBD8:
|
687 | 0c3d9c7c | Thomas Thrainer | return _AnnotateDParamsDRBD(disk, ld_params)
|
688 | 0c3d9c7c | Thomas Thrainer | else:
|
689 | 0c3d9c7c | Thomas Thrainer | return _AnnotateDParamsGeneric(disk, ld_params)
|
690 | 0c3d9c7c | Thomas Thrainer | |
691 | 0c3d9c7c | Thomas Thrainer | return [AnnotateDisk(disk.Copy()) for disk in disks] |
692 | cd46491f | René Nussbaumer | |
693 | cd46491f | René Nussbaumer | |
694 | da803ff1 | Helga Velroyen | def _GetExclusiveStorageFlag(cfg, node_uuid): |
695 | 1c3231aa | Thomas Thrainer | ni = cfg.GetNodeInfo(node_uuid) |
696 | 319322a7 | Bernardo Dal Seno | if ni is None: |
697 | 1c3231aa | Thomas Thrainer | raise errors.OpPrereqError("Invalid node name %s" % node_uuid, |
698 | 319322a7 | Bernardo Dal Seno | errors.ECODE_NOENT) |
699 | 319322a7 | Bernardo Dal Seno | return cfg.GetNdParams(ni)[constants.ND_EXCLUSIVE_STORAGE]
|
700 | 319322a7 | Bernardo Dal Seno | |
701 | 319322a7 | Bernardo Dal Seno | |
702 | da803ff1 | Helga Velroyen | def _AddExclusiveStorageFlagToLvmStorageUnits(storage_units, es_flag): |
703 | da803ff1 | Helga Velroyen | """Adds the exclusive storage flag to lvm units.
|
704 | da803ff1 | Helga Velroyen |
|
705 | da803ff1 | Helga Velroyen | This function creates a copy of the storage_units lists, with the
|
706 | da803ff1 | Helga Velroyen | es_flag being added to all lvm storage units.
|
707 | da803ff1 | Helga Velroyen |
|
708 | da803ff1 | Helga Velroyen | @type storage_units: list of pairs (string, string)
|
709 | da803ff1 | Helga Velroyen | @param storage_units: list of 'raw' storage units, consisting only of
|
710 | da803ff1 | Helga Velroyen | (storage_type, storage_key)
|
711 | da803ff1 | Helga Velroyen | @type es_flag: boolean
|
712 | da803ff1 | Helga Velroyen | @param es_flag: exclusive storage flag
|
713 | da803ff1 | Helga Velroyen | @rtype: list of tuples (string, string, list)
|
714 | da803ff1 | Helga Velroyen | @return: list of storage units (storage_type, storage_key, params) with
|
715 | da803ff1 | Helga Velroyen | the params containing the es_flag for lvm-vg storage units
|
716 | da803ff1 | Helga Velroyen |
|
717 | da803ff1 | Helga Velroyen | """
|
718 | da803ff1 | Helga Velroyen | result = [] |
719 | da803ff1 | Helga Velroyen | for (storage_type, storage_key) in storage_units: |
720 | e7098533 | Helga Velroyen | if storage_type in [constants.ST_LVM_VG]: |
721 | 52a8a6ae | Helga Velroyen | result.append((storage_type, storage_key, [es_flag])) |
722 | e7098533 | Helga Velroyen | if es_flag:
|
723 | e7098533 | Helga Velroyen | result.append((constants.ST_LVM_PV, storage_key, [es_flag])) |
724 | da803ff1 | Helga Velroyen | else:
|
725 | da803ff1 | Helga Velroyen | result.append((storage_type, storage_key, [])) |
726 | da803ff1 | Helga Velroyen | return result
|
727 | da803ff1 | Helga Velroyen | |
728 | da803ff1 | Helga Velroyen | |
729 | 1c3231aa | Thomas Thrainer | def GetExclusiveStorageForNodes(cfg, node_uuids): |
730 | 319322a7 | Bernardo Dal Seno | """Return the exclusive storage flag for all the given nodes.
|
731 | 319322a7 | Bernardo Dal Seno |
|
732 | 319322a7 | Bernardo Dal Seno | @type cfg: L{config.ConfigWriter}
|
733 | 319322a7 | Bernardo Dal Seno | @param cfg: cluster configuration
|
734 | 1c3231aa | Thomas Thrainer | @type node_uuids: list or tuple
|
735 | 1c3231aa | Thomas Thrainer | @param node_uuids: node UUIDs for which to read the flag
|
736 | 319322a7 | Bernardo Dal Seno | @rtype: dict
|
737 | da803ff1 | Helga Velroyen | @return: mapping from node uuids to exclusive storage flags
|
738 | 1c3231aa | Thomas Thrainer | @raise errors.OpPrereqError: if any given node name has no corresponding
|
739 | 1c3231aa | Thomas Thrainer | node
|
740 | 319322a7 | Bernardo Dal Seno |
|
741 | 319322a7 | Bernardo Dal Seno | """
|
742 | da803ff1 | Helga Velroyen | getflag = lambda n: _GetExclusiveStorageFlag(cfg, n)
|
743 | 1c3231aa | Thomas Thrainer | flags = map(getflag, node_uuids)
|
744 | 1c3231aa | Thomas Thrainer | return dict(zip(node_uuids, flags)) |
745 | 319322a7 | Bernardo Dal Seno | |
746 | 319322a7 | Bernardo Dal Seno | |
747 | da803ff1 | Helga Velroyen | def PrepareStorageUnitsForNodes(cfg, storage_units, node_uuids): |
748 | da803ff1 | Helga Velroyen | """Return the lvm storage unit for all the given nodes.
|
749 | da803ff1 | Helga Velroyen |
|
750 | da803ff1 | Helga Velroyen | Main purpose of this function is to map the exclusive storage flag, which
|
751 | da803ff1 | Helga Velroyen | can be different for each node, to the default LVM storage unit.
|
752 | da803ff1 | Helga Velroyen |
|
753 | da803ff1 | Helga Velroyen | @type cfg: L{config.ConfigWriter}
|
754 | da803ff1 | Helga Velroyen | @param cfg: cluster configuration
|
755 | da803ff1 | Helga Velroyen | @type storage_units: list of pairs (string, string)
|
756 | da803ff1 | Helga Velroyen | @param storage_units: list of 'raw' storage units, e.g. pairs of
|
757 | da803ff1 | Helga Velroyen | (storage_type, storage_key)
|
758 | da803ff1 | Helga Velroyen | @type node_uuids: list or tuple
|
759 | da803ff1 | Helga Velroyen | @param node_uuids: node UUIDs for which to read the flag
|
760 | da803ff1 | Helga Velroyen | @rtype: dict
|
761 | da803ff1 | Helga Velroyen | @return: mapping from node uuids to a list of storage units which include
|
762 | da803ff1 | Helga Velroyen | the exclusive storage flag for lvm storage
|
763 | da803ff1 | Helga Velroyen | @raise errors.OpPrereqError: if any given node name has no corresponding
|
764 | da803ff1 | Helga Velroyen | node
|
765 | da803ff1 | Helga Velroyen |
|
766 | da803ff1 | Helga Velroyen | """
|
767 | da803ff1 | Helga Velroyen | getunit = lambda n: _AddExclusiveStorageFlagToLvmStorageUnits(
|
768 | da803ff1 | Helga Velroyen | storage_units, _GetExclusiveStorageFlag(cfg, n)) |
769 | da803ff1 | Helga Velroyen | flags = map(getunit, node_uuids)
|
770 | da803ff1 | Helga Velroyen | return dict(zip(node_uuids, flags)) |
771 | da803ff1 | Helga Velroyen | |
772 | da803ff1 | Helga Velroyen | |
773 | cd40dc53 | Michael Hanselmann | #: Generic encoders
|
774 | cd40dc53 | Michael Hanselmann | _ENCODERS = { |
775 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_OBJECT_DICT: _ObjectToDict, |
776 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_OBJECT_DICT_LIST: _ObjectListToDict, |
777 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_COMPRESS: _Compress, |
778 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_FINALIZE_EXPORT_DISKS: _PrepareFinalizeExportDisks, |
779 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_BLOCKDEV_RENAME: _EncodeBlockdevRename, |
780 | cd40dc53 | Michael Hanselmann | } |
781 | cd40dc53 | Michael Hanselmann | |
782 | cd40dc53 | Michael Hanselmann | |
783 | cd40dc53 | Michael Hanselmann | class RpcRunner(_RpcClientBase, |
784 | cd40dc53 | Michael Hanselmann | _generated_rpc.RpcClientDefault, |
785 | 415a7304 | Michael Hanselmann | _generated_rpc.RpcClientBootstrap, |
786 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly, |
787 | 415a7304 | Michael Hanselmann | _generated_rpc.RpcClientConfig): |
788 | 87b3cb26 | Michael Hanselmann | """RPC runner class.
|
789 | a8083063 | Iustin Pop |
|
790 | 87b3cb26 | Michael Hanselmann | """
|
791 | d5ea30e8 | Michael Hanselmann | def __init__(self, cfg, lock_monitor_cb, _req_process_fn=None, _getents=None): |
792 | 87b3cb26 | Michael Hanselmann | """Initialized the RPC runner.
|
793 | a8083063 | Iustin Pop |
|
794 | d5ea30e8 | Michael Hanselmann | @type cfg: L{config.ConfigWriter}
|
795 | d5ea30e8 | Michael Hanselmann | @param cfg: Configuration
|
796 | d5ea30e8 | Michael Hanselmann | @type lock_monitor_cb: callable
|
797 | d5ea30e8 | Michael Hanselmann | @param lock_monitor_cb: Lock monitor callback
|
798 | a8083063 | Iustin Pop |
|
799 | 72737a7f | Iustin Pop | """
|
800 | d5ea30e8 | Michael Hanselmann | self._cfg = cfg
|
801 | cd40dc53 | Michael Hanselmann | |
802 | cd40dc53 | Michael Hanselmann | encoders = _ENCODERS.copy() |
803 | cd40dc53 | Michael Hanselmann | |
804 | cd40dc53 | Michael Hanselmann | encoders.update({ |
805 | 601dfcbb | Michael Hanselmann | # Encoders requiring configuration object
|
806 | cd40dc53 | Michael Hanselmann | rpc_defs.ED_INST_DICT: self._InstDict,
|
807 | 5fce6a89 | Constantinos Venetsanopoulos | rpc_defs.ED_INST_DICT_HVP_BEP_DP: self._InstDictHvpBepDp,
|
808 | b8291e00 | René Nussbaumer | rpc_defs.ED_INST_DICT_OSP_DP: self._InstDictOspDp,
|
809 | cbe4a0a5 | Dimitris Aragiorgis | rpc_defs.ED_NIC_DICT: self._NicDict,
|
810 | c5708931 | Dimitris Aragiorgis | rpc_defs.ED_DEVICE_DICT: self._DeviceDict,
|
811 | 601dfcbb | Michael Hanselmann | |
812 | aedf5fd7 | René Nussbaumer | # Encoders annotating disk parameters
|
813 | aedf5fd7 | René Nussbaumer | rpc_defs.ED_DISKS_DICT_DP: self._DisksDictDP,
|
814 | 235a6b29 | Thomas Thrainer | rpc_defs.ED_MULTI_DISKS_DICT_DP: self._MultiDiskDictDP,
|
815 | aedf5fd7 | René Nussbaumer | rpc_defs.ED_SINGLE_DISK_DICT_DP: self._SingleDiskDictDP,
|
816 | 0c3d9c7c | Thomas Thrainer | rpc_defs.ED_NODE_TO_DISK_DICT_DP: self._EncodeNodeToDiskDictDP,
|
817 | aedf5fd7 | René Nussbaumer | |
818 | 601dfcbb | Michael Hanselmann | # Encoders with special requirements
|
819 | 601dfcbb | Michael Hanselmann | rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents), |
820 | 0c3d9c7c | Thomas Thrainer | |
821 | 0c3d9c7c | Thomas Thrainer | rpc_defs.ED_IMPEXP_IO: self._EncodeImportExportIO,
|
822 | cd40dc53 | Michael Hanselmann | }) |
823 | cd40dc53 | Michael Hanselmann | |
824 | cd40dc53 | Michael Hanselmann | # Resolver using configuration
|
825 | d5ea30e8 | Michael Hanselmann | resolver = compat.partial(_NodeConfigResolver, cfg.GetNodeInfo, |
826 | d5ea30e8 | Michael Hanselmann | cfg.GetAllNodesInfo) |
827 | cd40dc53 | Michael Hanselmann | |
828 | db04ce5d | Michael Hanselmann | # Pylint doesn't recognize multiple inheritance properly, see
|
829 | db04ce5d | Michael Hanselmann | # <http://www.logilab.org/ticket/36586> and
|
830 | db04ce5d | Michael Hanselmann | # <http://www.logilab.org/ticket/35642>
|
831 | db04ce5d | Michael Hanselmann | # pylint: disable=W0233
|
832 | cd40dc53 | Michael Hanselmann | _RpcClientBase.__init__(self, resolver, encoders.get,
|
833 | d5ea30e8 | Michael Hanselmann | lock_monitor_cb=lock_monitor_cb, |
834 | d5ea30e8 | Michael Hanselmann | _req_process_fn=_req_process_fn) |
835 | 415a7304 | Michael Hanselmann | _generated_rpc.RpcClientConfig.__init__(self)
|
836 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap.__init__(self)
|
837 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly.__init__(self)
|
838 | 200de241 | Michael Hanselmann | _generated_rpc.RpcClientDefault.__init__(self)
|
839 | 200de241 | Michael Hanselmann | |
840 | 0c3d9c7c | Thomas Thrainer | def _NicDict(self, _, nic): |
841 | cbe4a0a5 | Dimitris Aragiorgis | """Convert the given nic to a dict and encapsulate netinfo
|
842 | cbe4a0a5 | Dimitris Aragiorgis |
|
843 | cbe4a0a5 | Dimitris Aragiorgis | """
|
844 | cbe4a0a5 | Dimitris Aragiorgis | n = copy.deepcopy(nic) |
845 | cbe4a0a5 | Dimitris Aragiorgis | if n.network:
|
846 | cbe4a0a5 | Dimitris Aragiorgis | net_uuid = self._cfg.LookupNetwork(n.network)
|
847 | cbe4a0a5 | Dimitris Aragiorgis | if net_uuid:
|
848 | cbe4a0a5 | Dimitris Aragiorgis | nobj = self._cfg.GetNetwork(net_uuid)
|
849 | cbe4a0a5 | Dimitris Aragiorgis | n.netinfo = objects.Network.ToDict(nobj) |
850 | cbe4a0a5 | Dimitris Aragiorgis | return n.ToDict()
|
851 | cbe4a0a5 | Dimitris Aragiorgis | |
852 | 51951d38 | Dimitris Aragiorgis | def _DeviceDict(self, _, (device, instance)): |
853 | c5708931 | Dimitris Aragiorgis | if isinstance(device, objects.NIC): |
854 | c5708931 | Dimitris Aragiorgis | return self._NicDict(None, device) |
855 | c5708931 | Dimitris Aragiorgis | elif isinstance(device, objects.Disk): |
856 | 51951d38 | Dimitris Aragiorgis | return self._SingleDiskDictDP(None, (device, instance)) |
857 | c5708931 | Dimitris Aragiorgis | |
858 | 0c3d9c7c | Thomas Thrainer | def _InstDict(self, node, instance, hvp=None, bep=None, osp=None): |
859 | 26ba2bd8 | Iustin Pop | """Convert the given instance to a dict.
|
860 | 26ba2bd8 | Iustin Pop |
|
861 | 26ba2bd8 | Iustin Pop | This is done via the instance's ToDict() method and additionally
|
862 | 26ba2bd8 | Iustin Pop | we fill the hvparams with the cluster defaults.
|
863 | 26ba2bd8 | Iustin Pop |
|
864 | 26ba2bd8 | Iustin Pop | @type instance: L{objects.Instance}
|
865 | 26ba2bd8 | Iustin Pop | @param instance: an Instance object
|
866 | 0eca8e0c | Iustin Pop | @type hvp: dict or None
|
867 | 5bbd3f7f | Michael Hanselmann | @param hvp: a dictionary with overridden hypervisor parameters
|
868 | 0eca8e0c | Iustin Pop | @type bep: dict or None
|
869 | 5bbd3f7f | Michael Hanselmann | @param bep: a dictionary with overridden backend parameters
|
870 | 1bdcbbab | Iustin Pop | @type osp: dict or None
|
871 | 8d8c4eff | Michael Hanselmann | @param osp: a dictionary with overridden os parameters
|
872 | 26ba2bd8 | Iustin Pop | @rtype: dict
|
873 | 26ba2bd8 | Iustin Pop | @return: the instance dict, with the hvparams filled with the
|
874 | 26ba2bd8 | Iustin Pop | cluster defaults
|
875 | 26ba2bd8 | Iustin Pop |
|
876 | 26ba2bd8 | Iustin Pop | """
|
877 | 26ba2bd8 | Iustin Pop | idict = instance.ToDict() |
878 | 5b442704 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
|
879 | 5b442704 | Iustin Pop | idict["hvparams"] = cluster.FillHV(instance)
|
880 | 6ccce5d4 | Ilias Tsitsimpis | idict["secondary_nodes"] = self._cfg.GetInstanceSecondaryNodes(instance) |
881 | 0eca8e0c | Iustin Pop | if hvp is not None: |
882 | 0eca8e0c | Iustin Pop | idict["hvparams"].update(hvp)
|
883 | 5b442704 | Iustin Pop | idict["beparams"] = cluster.FillBE(instance)
|
884 | 0eca8e0c | Iustin Pop | if bep is not None: |
885 | 0eca8e0c | Iustin Pop | idict["beparams"].update(bep)
|
886 | 1bdcbbab | Iustin Pop | idict["osparams"] = cluster.SimpleFillOS(instance.os, instance.osparams)
|
887 | 1bdcbbab | Iustin Pop | if osp is not None: |
888 | 1bdcbbab | Iustin Pop | idict["osparams"].update(osp)
|
889 | 8e8cf324 | Ilias Tsitsimpis | idict["disks_info"] = self._DisksDictDP(node, (instance.disks, instance)) |
890 | b848ce79 | Guido Trotter | for nic in idict["nics"]: |
891 | 3ccb3a64 | Michael Hanselmann | nic["nicparams"] = objects.FillDict(
|
892 | b848ce79 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], |
893 | 3ccb3a64 | Michael Hanselmann | nic["nicparams"])
|
894 | cbe4a0a5 | Dimitris Aragiorgis | network = nic.get("network", None) |
895 | cbe4a0a5 | Dimitris Aragiorgis | if network:
|
896 | cbe4a0a5 | Dimitris Aragiorgis | net_uuid = self._cfg.LookupNetwork(network)
|
897 | cbe4a0a5 | Dimitris Aragiorgis | if net_uuid:
|
898 | cbe4a0a5 | Dimitris Aragiorgis | nobj = self._cfg.GetNetwork(net_uuid)
|
899 | cbe4a0a5 | Dimitris Aragiorgis | nic["netinfo"] = objects.Network.ToDict(nobj)
|
900 | 26ba2bd8 | Iustin Pop | return idict
|
901 | 26ba2bd8 | Iustin Pop | |
902 | 0c3d9c7c | Thomas Thrainer | def _InstDictHvpBepDp(self, node, (instance, hvp, bep)): |
903 | c4de9b7a | Michael Hanselmann | """Wrapper for L{_InstDict}.
|
904 | c4de9b7a | Michael Hanselmann |
|
905 | c4de9b7a | Michael Hanselmann | """
|
906 | 0c3d9c7c | Thomas Thrainer | return self._InstDict(node, instance, hvp=hvp, bep=bep) |
907 | c4de9b7a | Michael Hanselmann | |
908 | 0c3d9c7c | Thomas Thrainer | def _InstDictOspDp(self, node, (instance, osparams)): |
909 | c4de9b7a | Michael Hanselmann | """Wrapper for L{_InstDict}.
|
910 | c4de9b7a | Michael Hanselmann |
|
911 | c4de9b7a | Michael Hanselmann | """
|
912 | 0c3d9c7c | Thomas Thrainer | return self._InstDict(node, instance, osp=osparams) |
913 | c4de9b7a | Michael Hanselmann | |
914 | 0c3d9c7c | Thomas Thrainer | def _DisksDictDP(self, node, (disks, instance)): |
915 | aedf5fd7 | René Nussbaumer | """Wrapper for L{AnnotateDiskParams}.
|
916 | aedf5fd7 | René Nussbaumer |
|
917 | aedf5fd7 | René Nussbaumer | """
|
918 | aedf5fd7 | René Nussbaumer | diskparams = self._cfg.GetInstanceDiskParams(instance)
|
919 | 0c3d9c7c | Thomas Thrainer | ret = [] |
920 | 0c3d9c7c | Thomas Thrainer | for disk in AnnotateDiskParams(disks, diskparams): |
921 | 0c3d9c7c | Thomas Thrainer | disk_node_uuids = disk.GetNodes(instance.primary_node) |
922 | 0c3d9c7c | Thomas Thrainer | node_ips = dict((uuid, node.secondary_ip) for (uuid, node) |
923 | 0c3d9c7c | Thomas Thrainer | in self._cfg.GetMultiNodeInfo(disk_node_uuids)) |
924 | 0c3d9c7c | Thomas Thrainer | |
925 | 0c3d9c7c | Thomas Thrainer | disk.UpdateDynamicDiskParams(node, node_ips) |
926 | 0c3d9c7c | Thomas Thrainer | |
927 | a0d2a91e | Thomas Thrainer | ret.append(disk.ToDict(include_dynamic_params=True))
|
928 | aedf5fd7 | René Nussbaumer | |
929 | 0c3d9c7c | Thomas Thrainer | return ret
|
930 | 0c3d9c7c | Thomas Thrainer | |
931 | 0c3d9c7c | Thomas Thrainer | def _MultiDiskDictDP(self, node, disks_insts): |
932 | 235a6b29 | Thomas Thrainer | """Wrapper for L{AnnotateDiskParams}.
|
933 | 235a6b29 | Thomas Thrainer |
|
934 | 235a6b29 | Thomas Thrainer | Supports a list of (disk, instance) tuples.
|
935 | 235a6b29 | Thomas Thrainer | """
|
936 | 235a6b29 | Thomas Thrainer | return [disk for disk_inst in disks_insts |
937 | 0c3d9c7c | Thomas Thrainer | for disk in self._DisksDictDP(node, disk_inst)] |
938 | 235a6b29 | Thomas Thrainer | |
939 | 0c3d9c7c | Thomas Thrainer | def _SingleDiskDictDP(self, node, (disk, instance)): |
940 | aedf5fd7 | René Nussbaumer | """Wrapper for L{AnnotateDiskParams}.
|
941 | aedf5fd7 | René Nussbaumer |
|
942 | aedf5fd7 | René Nussbaumer | """
|
943 | 0c3d9c7c | Thomas Thrainer | (anno_disk,) = self._DisksDictDP(node, ([disk], instance))
|
944 | aedf5fd7 | René Nussbaumer | return anno_disk
|
945 | aedf5fd7 | René Nussbaumer | |
946 | 0c3d9c7c | Thomas Thrainer | def _EncodeNodeToDiskDictDP(self, node, value): |
947 | 0c3d9c7c | Thomas Thrainer | """Encode dict of node name -> list of (disk, instance) tuples as values.
|
948 | 0c3d9c7c | Thomas Thrainer |
|
949 | 0c3d9c7c | Thomas Thrainer | """
|
950 | 0c3d9c7c | Thomas Thrainer | return dict((name, [self._SingleDiskDictDP(node, disk) for disk in disks]) |
951 | 0c3d9c7c | Thomas Thrainer | for name, disks in value.items()) |
952 | 0c3d9c7c | Thomas Thrainer | |
953 | 0c3d9c7c | Thomas Thrainer | def _EncodeImportExportIO(self, node, (ieio, ieioargs)): |
954 | 0c3d9c7c | Thomas Thrainer | """Encodes import/export I/O information.
|
955 | 0c3d9c7c | Thomas Thrainer |
|
956 | 0c3d9c7c | Thomas Thrainer | """
|
957 | 0c3d9c7c | Thomas Thrainer | if ieio == constants.IEIO_RAW_DISK:
|
958 | 063613aa | Thomas Thrainer | assert len(ieioargs) == 2 |
959 | 063613aa | Thomas Thrainer | return (ieio, (self._SingleDiskDictDP(node, ieioargs), )) |
960 | 0c3d9c7c | Thomas Thrainer | |
961 | 0c3d9c7c | Thomas Thrainer | if ieio == constants.IEIO_SCRIPT:
|
962 | 0c3d9c7c | Thomas Thrainer | assert len(ieioargs) == 2 |
963 | 0c3d9c7c | Thomas Thrainer | return (ieio, (self._SingleDiskDictDP(node, ieioargs[0]), ieioargs[1])) |
964 | 0c3d9c7c | Thomas Thrainer | |
965 | 0c3d9c7c | Thomas Thrainer | return (ieio, ieioargs)
|
966 | 0c3d9c7c | Thomas Thrainer | |
967 | fb1ffbca | Michael Hanselmann | |
968 | cd40dc53 | Michael Hanselmann | class JobQueueRunner(_RpcClientBase, _generated_rpc.RpcClientJobQueue): |
969 | fb1ffbca | Michael Hanselmann | """RPC wrappers for job queue.
|
970 | fb1ffbca | Michael Hanselmann |
|
971 | fb1ffbca | Michael Hanselmann | """
|
972 | fb1ffbca | Michael Hanselmann | def __init__(self, context, address_list): |
973 | fb1ffbca | Michael Hanselmann | """Initializes this class.
|
974 | fb1ffbca | Michael Hanselmann |
|
975 | fb1ffbca | Michael Hanselmann | """
|
976 | fb1ffbca | Michael Hanselmann | if address_list is None: |
977 | bd6d1202 | René Nussbaumer | resolver = compat.partial(_SsconfResolver, True)
|
978 | fb1ffbca | Michael Hanselmann | else:
|
979 | fb1ffbca | Michael Hanselmann | # Caller provided an address list
|
980 | fb1ffbca | Michael Hanselmann | resolver = _StaticResolver(address_list) |
981 | fb1ffbca | Michael Hanselmann | |
982 | cd40dc53 | Michael Hanselmann | _RpcClientBase.__init__(self, resolver, _ENCODERS.get,
|
983 | cd40dc53 | Michael Hanselmann | lock_monitor_cb=context.glm.AddToLockMonitor) |
984 | cd40dc53 | Michael Hanselmann | _generated_rpc.RpcClientJobQueue.__init__(self)
|
985 | db04ce5d | Michael Hanselmann | |
986 | db04ce5d | Michael Hanselmann | |
987 | bd6d1202 | René Nussbaumer | class BootstrapRunner(_RpcClientBase, |
988 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientBootstrap, |
989 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly): |
990 | db04ce5d | Michael Hanselmann | """RPC wrappers for bootstrapping.
|
991 | db04ce5d | Michael Hanselmann |
|
992 | db04ce5d | Michael Hanselmann | """
|
993 | db04ce5d | Michael Hanselmann | def __init__(self): |
994 | db04ce5d | Michael Hanselmann | """Initializes this class.
|
995 | db04ce5d | Michael Hanselmann |
|
996 | db04ce5d | Michael Hanselmann | """
|
997 | bd6d1202 | René Nussbaumer | # Pylint doesn't recognize multiple inheritance properly, see
|
998 | bd6d1202 | René Nussbaumer | # <http://www.logilab.org/ticket/36586> and
|
999 | bd6d1202 | René Nussbaumer | # <http://www.logilab.org/ticket/35642>
|
1000 | bd6d1202 | René Nussbaumer | # pylint: disable=W0233
|
1001 | bd6d1202 | René Nussbaumer | _RpcClientBase.__init__(self, compat.partial(_SsconfResolver, True), |
1002 | bd6d1202 | René Nussbaumer | _ENCODERS.get) |
1003 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap.__init__(self)
|
1004 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly.__init__(self)
|
1005 | bd6d1202 | René Nussbaumer | |
1006 | bd6d1202 | René Nussbaumer | |
1007 | bd6d1202 | René Nussbaumer | class DnsOnlyRunner(_RpcClientBase, _generated_rpc.RpcClientDnsOnly): |
1008 | bd6d1202 | René Nussbaumer | """RPC wrappers for calls using only DNS.
|
1009 | bd6d1202 | René Nussbaumer |
|
1010 | bd6d1202 | René Nussbaumer | """
|
1011 | bd6d1202 | René Nussbaumer | def __init__(self): |
1012 | bd6d1202 | René Nussbaumer | """Initialize this class.
|
1013 | bd6d1202 | René Nussbaumer |
|
1014 | bd6d1202 | René Nussbaumer | """
|
1015 | bd6d1202 | René Nussbaumer | _RpcClientBase.__init__(self, compat.partial(_SsconfResolver, False), |
1016 | bd6d1202 | René Nussbaumer | _ENCODERS.get) |
1017 | bd6d1202 | René Nussbaumer | _generated_rpc.RpcClientDnsOnly.__init__(self)
|
1018 | db04ce5d | Michael Hanselmann | |
1019 | 415a7304 | Michael Hanselmann | |
1020 | cd40dc53 | Michael Hanselmann | class ConfigRunner(_RpcClientBase, _generated_rpc.RpcClientConfig): |
1021 | 415a7304 | Michael Hanselmann | """RPC wrappers for L{config}.
|
1022 | 415a7304 | Michael Hanselmann |
|
1023 | 415a7304 | Michael Hanselmann | """
|
1024 | c2dc025a | Michael Hanselmann | def __init__(self, context, address_list, _req_process_fn=None, |
1025 | c2dc025a | Michael Hanselmann | _getents=None):
|
1026 | 415a7304 | Michael Hanselmann | """Initializes this class.
|
1027 | 415a7304 | Michael Hanselmann |
|
1028 | 415a7304 | Michael Hanselmann | """
|
1029 | b2acdbdc | Michael Hanselmann | if context:
|
1030 | b2acdbdc | Michael Hanselmann | lock_monitor_cb = context.glm.AddToLockMonitor |
1031 | b2acdbdc | Michael Hanselmann | else:
|
1032 | b2acdbdc | Michael Hanselmann | lock_monitor_cb = None
|
1033 | b2acdbdc | Michael Hanselmann | |
1034 | 415a7304 | Michael Hanselmann | if address_list is None: |
1035 | bd6d1202 | René Nussbaumer | resolver = compat.partial(_SsconfResolver, True)
|
1036 | 415a7304 | Michael Hanselmann | else:
|
1037 | 415a7304 | Michael Hanselmann | # Caller provided an address list
|
1038 | 415a7304 | Michael Hanselmann | resolver = _StaticResolver(address_list) |
1039 | 415a7304 | Michael Hanselmann | |
1040 | c2dc025a | Michael Hanselmann | encoders = _ENCODERS.copy() |
1041 | c2dc025a | Michael Hanselmann | |
1042 | c2dc025a | Michael Hanselmann | encoders.update({ |
1043 | c2dc025a | Michael Hanselmann | rpc_defs.ED_FILE_DETAILS: compat.partial(_PrepareFileUpload, _getents), |
1044 | c2dc025a | Michael Hanselmann | }) |
1045 | c2dc025a | Michael Hanselmann | |
1046 | c2dc025a | Michael Hanselmann | _RpcClientBase.__init__(self, resolver, encoders.get,
|
1047 | c2dc025a | Michael Hanselmann | lock_monitor_cb=lock_monitor_cb, |
1048 | c2dc025a | Michael Hanselmann | _req_process_fn=_req_process_fn) |
1049 | cd40dc53 | Michael Hanselmann | _generated_rpc.RpcClientConfig.__init__(self) |