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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | d2cd6944 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | 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 | a8083063 | Iustin Pop | import os |
34 | 58b311ca | Iustin Pop | import logging |
35 | 12bce260 | Michael Hanselmann | import zlib |
36 | 12bce260 | Michael Hanselmann | import base64 |
37 | 33231500 | Michael Hanselmann | import pycurl |
38 | 33231500 | Michael Hanselmann | import threading |
39 | a8083063 | Iustin Pop | |
40 | a8083063 | Iustin Pop | from ganeti import utils |
41 | a8083063 | Iustin Pop | from ganeti import objects |
42 | ecfe9491 | Michael Hanselmann | from ganeti import http |
43 | 7c28c575 | Michael Hanselmann | from ganeti import serializer |
44 | eafd8762 | Michael Hanselmann | from ganeti import constants |
45 | 781de953 | Iustin Pop | from ganeti import errors |
46 | a744b676 | Manuel Franceschini | from ganeti import netutils |
47 | eb202c13 | Manuel Franceschini | from ganeti import ssconf |
48 | 9a914f7a | René Nussbaumer | from ganeti import runtime |
49 | 00267bfe | Michael Hanselmann | from ganeti import compat |
50 | a8083063 | Iustin Pop | |
51 | 200de241 | Michael Hanselmann | # Special module generated at build time
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52 | 200de241 | Michael Hanselmann | from ganeti import _generated_rpc |
53 | 200de241 | Michael Hanselmann | |
54 | fe267188 | Iustin Pop | # pylint has a bug here, doesn't see this import
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55 | b459a848 | Andrea Spadaccini | import ganeti.http.client # pylint: disable=W0611 |
56 | ae88ef45 | Michael Hanselmann | |
57 | a8083063 | Iustin Pop | |
58 | 33231500 | Michael Hanselmann | # Timeout for connecting to nodes (seconds)
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59 | 33231500 | Michael Hanselmann | _RPC_CONNECT_TIMEOUT = 5
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60 | 33231500 | Michael Hanselmann | |
61 | 33231500 | Michael Hanselmann | _RPC_CLIENT_HEADERS = [ |
62 | 33231500 | Michael Hanselmann | "Content-type: %s" % http.HTTP_APP_JSON,
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63 | 8e29563f | Iustin Pop | "Expect:",
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64 | 33231500 | Michael Hanselmann | ] |
65 | 4331f6cd | Michael Hanselmann | |
66 | 92fd2250 | Iustin Pop | # Various time constants for the timeout table
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67 | 92fd2250 | Iustin Pop | _TMO_URGENT = 60 # one minute |
68 | 92fd2250 | Iustin Pop | _TMO_FAST = 5 * 60 # five minutes |
69 | 92fd2250 | Iustin Pop | _TMO_NORMAL = 15 * 60 # 15 minutes |
70 | 92fd2250 | Iustin Pop | _TMO_SLOW = 3600 # one hour |
71 | 92fd2250 | Iustin Pop | _TMO_4HRS = 4 * 3600 |
72 | 92fd2250 | Iustin Pop | _TMO_1DAY = 86400
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73 | 92fd2250 | Iustin Pop | |
74 | 92fd2250 | Iustin Pop | # Timeout table that will be built later by decorators
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75 | 92fd2250 | Iustin Pop | # Guidelines for choosing timeouts:
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76 | 92fd2250 | Iustin Pop | # - call used during watcher: timeout -> 1min, _TMO_URGENT
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77 | 92fd2250 | Iustin Pop | # - trivial (but be sure it is trivial) (e.g. reading a file): 5min, _TMO_FAST
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78 | 92fd2250 | Iustin Pop | # - other calls: 15 min, _TMO_NORMAL
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79 | 92fd2250 | Iustin Pop | # - special calls (instance add, etc.): either _TMO_SLOW (1h) or huge timeouts
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80 | 92fd2250 | Iustin Pop | |
81 | 92fd2250 | Iustin Pop | _TIMEOUTS = { |
82 | 92fd2250 | Iustin Pop | } |
83 | 92fd2250 | Iustin Pop | |
84 | 00267bfe | Michael Hanselmann | #: Special value to describe an offline host
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85 | 00267bfe | Michael Hanselmann | _OFFLINE = object()
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86 | 00267bfe | Michael Hanselmann | |
87 | 4331f6cd | Michael Hanselmann | |
88 | 4331f6cd | Michael Hanselmann | def Init(): |
89 | 4331f6cd | Michael Hanselmann | """Initializes the module-global HTTP client manager.
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90 | 4331f6cd | Michael Hanselmann |
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91 | 33231500 | Michael Hanselmann | Must be called before using any RPC function and while exactly one thread is
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92 | 33231500 | Michael Hanselmann | running.
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93 | 4331f6cd | Michael Hanselmann |
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94 | 4331f6cd | Michael Hanselmann | """
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95 | 33231500 | Michael Hanselmann | # curl_global_init(3) and curl_global_cleanup(3) must be called with only
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96 | 33231500 | Michael Hanselmann | # one thread running. This check is just a safety measure -- it doesn't
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97 | 33231500 | Michael Hanselmann | # cover all cases.
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98 | 33231500 | Michael Hanselmann | assert threading.activeCount() == 1, \ |
99 | 33231500 | Michael Hanselmann | "Found more than one active thread when initializing pycURL"
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100 | 4331f6cd | Michael Hanselmann | |
101 | 33231500 | Michael Hanselmann | logging.info("Using PycURL %s", pycurl.version)
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102 | 8d0a4f99 | Michael Hanselmann | |
103 | 33231500 | Michael Hanselmann | pycurl.global_init(pycurl.GLOBAL_ALL) |
104 | 4331f6cd | Michael Hanselmann | |
105 | 4331f6cd | Michael Hanselmann | |
106 | 4331f6cd | Michael Hanselmann | def Shutdown(): |
107 | 4331f6cd | Michael Hanselmann | """Stops the module-global HTTP client manager.
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108 | 4331f6cd | Michael Hanselmann |
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109 | 33231500 | Michael Hanselmann | Must be called before quitting the program and while exactly one thread is
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110 | 33231500 | Michael Hanselmann | running.
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111 | 4331f6cd | Michael Hanselmann |
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112 | 4331f6cd | Michael Hanselmann | """
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113 | 33231500 | Michael Hanselmann | pycurl.global_cleanup() |
114 | 33231500 | Michael Hanselmann | |
115 | 33231500 | Michael Hanselmann | |
116 | 33231500 | Michael Hanselmann | def _ConfigRpcCurl(curl): |
117 | 33231500 | Michael Hanselmann | noded_cert = str(constants.NODED_CERT_FILE)
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118 | 4331f6cd | Michael Hanselmann | |
119 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.FOLLOWLOCATION, False)
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120 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.CAINFO, noded_cert) |
121 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSL_VERIFYHOST, 0)
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122 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSL_VERIFYPEER, True)
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123 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLCERTTYPE, "PEM")
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124 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLCERT, noded_cert) |
125 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLKEYTYPE, "PEM")
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126 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.SSLKEY, noded_cert) |
127 | 33231500 | Michael Hanselmann | curl.setopt(pycurl.CONNECTTIMEOUT, _RPC_CONNECT_TIMEOUT) |
128 | 33231500 | Michael Hanselmann | |
129 | 33231500 | Michael Hanselmann | |
130 | 92fd2250 | Iustin Pop | def _RpcTimeout(secs): |
131 | 92fd2250 | Iustin Pop | """Timeout decorator.
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132 | 92fd2250 | Iustin Pop |
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133 | 92fd2250 | Iustin Pop | When applied to a rpc call_* function, it updates the global timeout
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134 | 92fd2250 | Iustin Pop | table with the given function/timeout.
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135 | 92fd2250 | Iustin Pop |
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136 | 92fd2250 | Iustin Pop | """
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137 | 92fd2250 | Iustin Pop | def decorator(f): |
138 | 92fd2250 | Iustin Pop | name = f.__name__ |
139 | 92fd2250 | Iustin Pop | assert name.startswith("call_") |
140 | 92fd2250 | Iustin Pop | _TIMEOUTS[name[len("call_"):]] = secs |
141 | 92fd2250 | Iustin Pop | return f
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142 | 92fd2250 | Iustin Pop | return decorator
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143 | 92fd2250 | Iustin Pop | |
144 | 92fd2250 | Iustin Pop | |
145 | e0e916fe | Iustin Pop | def RunWithRPC(fn): |
146 | e0e916fe | Iustin Pop | """RPC-wrapper decorator.
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147 | e0e916fe | Iustin Pop |
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148 | e0e916fe | Iustin Pop | When applied to a function, it runs it with the RPC system
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149 | e0e916fe | Iustin Pop | initialized, and it shutsdown the system afterwards. This means the
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150 | e0e916fe | Iustin Pop | function must be called without RPC being initialized.
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151 | e0e916fe | Iustin Pop |
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152 | e0e916fe | Iustin Pop | """
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153 | e0e916fe | Iustin Pop | def wrapper(*args, **kwargs): |
154 | e0e916fe | Iustin Pop | Init() |
155 | e0e916fe | Iustin Pop | try:
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156 | e0e916fe | Iustin Pop | return fn(*args, **kwargs)
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157 | e0e916fe | Iustin Pop | finally:
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158 | e0e916fe | Iustin Pop | Shutdown() |
159 | e0e916fe | Iustin Pop | return wrapper
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160 | e0e916fe | Iustin Pop | |
161 | e0e916fe | Iustin Pop | |
162 | 30474135 | Michael Hanselmann | def _Compress(data): |
163 | 30474135 | Michael Hanselmann | """Compresses a string for transport over RPC.
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164 | 30474135 | Michael Hanselmann |
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165 | 30474135 | Michael Hanselmann | Small amounts of data are not compressed.
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166 | 30474135 | Michael Hanselmann |
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167 | 30474135 | Michael Hanselmann | @type data: str
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168 | 30474135 | Michael Hanselmann | @param data: Data
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169 | 30474135 | Michael Hanselmann | @rtype: tuple
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170 | 30474135 | Michael Hanselmann | @return: Encoded data to send
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171 | 30474135 | Michael Hanselmann |
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172 | 30474135 | Michael Hanselmann | """
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173 | 30474135 | Michael Hanselmann | # Small amounts of data are not compressed
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174 | 30474135 | Michael Hanselmann | if len(data) < 512: |
175 | 30474135 | Michael Hanselmann | return (constants.RPC_ENCODING_NONE, data)
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176 | 30474135 | Michael Hanselmann | |
177 | 30474135 | Michael Hanselmann | # Compress with zlib and encode in base64
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178 | 30474135 | Michael Hanselmann | return (constants.RPC_ENCODING_ZLIB_BASE64,
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179 | 30474135 | Michael Hanselmann | base64.b64encode(zlib.compress(data, 3)))
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180 | 30474135 | Michael Hanselmann | |
181 | 30474135 | Michael Hanselmann | |
182 | 781de953 | Iustin Pop | class RpcResult(object): |
183 | 781de953 | Iustin Pop | """RPC Result class.
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184 | 781de953 | Iustin Pop |
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185 | 781de953 | Iustin Pop | This class holds an RPC result. It is needed since in multi-node
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186 | 781de953 | Iustin Pop | calls we can't raise an exception just because one one out of many
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187 | 781de953 | Iustin Pop | failed, and therefore we use this class to encapsulate the result.
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188 | 781de953 | Iustin Pop |
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189 | 5bbd3f7f | Michael Hanselmann | @ivar data: the data payload, for successful results, or None
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190 | ed83f5cc | Iustin Pop | @ivar call: the name of the RPC call
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191 | ed83f5cc | Iustin Pop | @ivar node: the name of the node to which we made the call
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192 | ed83f5cc | Iustin Pop | @ivar offline: whether the operation failed because the node was
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193 | ed83f5cc | Iustin Pop | offline, as opposed to actual failure; offline=True will always
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194 | ed83f5cc | Iustin Pop | imply failed=True, in order to allow simpler checking if
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195 | ed83f5cc | Iustin Pop | the user doesn't care about the exact failure mode
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196 | 4c4e4e1e | Iustin Pop | @ivar fail_msg: the error message if the call failed
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197 | ed83f5cc | Iustin Pop |
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198 | 781de953 | Iustin Pop | """
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199 | ed83f5cc | Iustin Pop | def __init__(self, data=None, failed=False, offline=False, |
200 | ed83f5cc | Iustin Pop | call=None, node=None): |
201 | ed83f5cc | Iustin Pop | self.offline = offline
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202 | ed83f5cc | Iustin Pop | self.call = call
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203 | ed83f5cc | Iustin Pop | self.node = node
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204 | 1645d22d | Michael Hanselmann | |
205 | ed83f5cc | Iustin Pop | if offline:
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206 | 4c4e4e1e | Iustin Pop | self.fail_msg = "Node is marked offline" |
207 | f2def43a | Iustin Pop | self.data = self.payload = None |
208 | ed83f5cc | Iustin Pop | elif failed:
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209 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(data) |
210 | f2def43a | Iustin Pop | self.data = self.payload = None |
211 | 781de953 | Iustin Pop | else:
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212 | 781de953 | Iustin Pop | self.data = data
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213 | d3c8b360 | Iustin Pop | if not isinstance(self.data, (tuple, list)): |
214 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result type (%s)" % |
215 | 4c4e4e1e | Iustin Pop | type(self.data)) |
216 | 1645d22d | Michael Hanselmann | self.payload = None |
217 | d3c8b360 | Iustin Pop | elif len(data) != 2: |
218 | 4c4e4e1e | Iustin Pop | self.fail_msg = ("RPC layer error: invalid result length (%d), " |
219 | 4c4e4e1e | Iustin Pop | "expected 2" % len(self.data)) |
220 | 1645d22d | Michael Hanselmann | self.payload = None |
221 | d3c8b360 | Iustin Pop | elif not self.data[0]: |
222 | 4c4e4e1e | Iustin Pop | self.fail_msg = self._EnsureErr(self.data[1]) |
223 | 1645d22d | Michael Hanselmann | self.payload = None |
224 | f2def43a | Iustin Pop | else:
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225 | d3c8b360 | Iustin Pop | # finally success
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226 | 4c4e4e1e | Iustin Pop | self.fail_msg = None |
227 | d3c8b360 | Iustin Pop | self.payload = data[1] |
228 | d3c8b360 | Iustin Pop | |
229 | 2c0f74f2 | Iustin Pop | for attr_name in ["call", "data", "fail_msg", |
230 | 2c0f74f2 | Iustin Pop | "node", "offline", "payload"]: |
231 | 2c0f74f2 | Iustin Pop | assert hasattr(self, attr_name), "Missing attribute %s" % attr_name |
232 | 1645d22d | Michael Hanselmann | |
233 | d3c8b360 | Iustin Pop | @staticmethod
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234 | d3c8b360 | Iustin Pop | def _EnsureErr(val): |
235 | d3c8b360 | Iustin Pop | """Helper to ensure we return a 'True' value for error."""
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236 | d3c8b360 | Iustin Pop | if val:
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237 | d3c8b360 | Iustin Pop | return val
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238 | d3c8b360 | Iustin Pop | else:
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239 | d3c8b360 | Iustin Pop | return "No error information" |
240 | 781de953 | Iustin Pop | |
241 | 045dd6d9 | Iustin Pop | def Raise(self, msg, prereq=False, ecode=None): |
242 | 781de953 | Iustin Pop | """If the result has failed, raise an OpExecError.
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243 | 781de953 | Iustin Pop |
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244 | 781de953 | Iustin Pop | This is used so that LU code doesn't have to check for each
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245 | 781de953 | Iustin Pop | result, but instead can call this function.
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246 | 781de953 | Iustin Pop |
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247 | 781de953 | Iustin Pop | """
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248 | 4c4e4e1e | Iustin Pop | if not self.fail_msg: |
249 | 4c4e4e1e | Iustin Pop | return
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250 | 4c4e4e1e | Iustin Pop | |
251 | 4c4e4e1e | Iustin Pop | if not msg: # one could pass None for default message |
252 | 4c4e4e1e | Iustin Pop | msg = ("Call '%s' to node '%s' has failed: %s" %
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253 | 4c4e4e1e | Iustin Pop | (self.call, self.node, self.fail_msg)) |
254 | 4c4e4e1e | Iustin Pop | else:
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255 | 4c4e4e1e | Iustin Pop | msg = "%s: %s" % (msg, self.fail_msg) |
256 | 4c4e4e1e | Iustin Pop | if prereq:
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257 | 4c4e4e1e | Iustin Pop | ec = errors.OpPrereqError |
258 | 4c4e4e1e | Iustin Pop | else:
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259 | 4c4e4e1e | Iustin Pop | ec = errors.OpExecError |
260 | 045dd6d9 | Iustin Pop | if ecode is not None: |
261 | 27137e55 | Iustin Pop | args = (msg, ecode) |
262 | 045dd6d9 | Iustin Pop | else:
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263 | 045dd6d9 | Iustin Pop | args = (msg, ) |
264 | b459a848 | Andrea Spadaccini | raise ec(*args) # pylint: disable=W0142 |
265 | 781de953 | Iustin Pop | |
266 | 781de953 | Iustin Pop | |
267 | 00267bfe | Michael Hanselmann | def _SsconfResolver(node_list, |
268 | 00267bfe | Michael Hanselmann | ssc=ssconf.SimpleStore, |
269 | 00267bfe | Michael Hanselmann | nslookup_fn=netutils.Hostname.GetIP): |
270 | eb202c13 | Manuel Franceschini | """Return addresses for given node names.
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271 | eb202c13 | Manuel Franceschini |
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272 | eb202c13 | Manuel Franceschini | @type node_list: list
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273 | eb202c13 | Manuel Franceschini | @param node_list: List of node names
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274 | eb202c13 | Manuel Franceschini | @type ssc: class
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275 | eb202c13 | Manuel Franceschini | @param ssc: SimpleStore class that is used to obtain node->ip mappings
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276 | 17f7fd27 | Manuel Franceschini | @type nslookup_fn: callable
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277 | 17f7fd27 | Manuel Franceschini | @param nslookup_fn: function use to do NS lookup
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278 | 00267bfe | Michael Hanselmann | @rtype: list of tuple; (string, string)
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279 | 00267bfe | Michael Hanselmann | @return: List of tuples containing node name and IP address
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280 | eb202c13 | Manuel Franceschini |
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281 | eb202c13 | Manuel Franceschini | """
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282 | b43dcc5a | Manuel Franceschini | ss = ssc() |
283 | b43dcc5a | Manuel Franceschini | iplist = ss.GetNodePrimaryIPList() |
284 | b43dcc5a | Manuel Franceschini | family = ss.GetPrimaryIPFamily() |
285 | b705c7a6 | Manuel Franceschini | ipmap = dict(entry.split() for entry in iplist) |
286 | 00267bfe | Michael Hanselmann | |
287 | 00267bfe | Michael Hanselmann | result = [] |
288 | b705c7a6 | Manuel Franceschini | for node in node_list: |
289 | 00267bfe | Michael Hanselmann | ip = ipmap.get(node) |
290 | 00267bfe | Michael Hanselmann | if ip is None: |
291 | 00267bfe | Michael Hanselmann | ip = nslookup_fn(node, family=family) |
292 | 00267bfe | Michael Hanselmann | result.append((node, ip)) |
293 | 00267bfe | Michael Hanselmann | |
294 | 00267bfe | Michael Hanselmann | return result
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295 | 00267bfe | Michael Hanselmann | |
296 | 00267bfe | Michael Hanselmann | |
297 | 00267bfe | Michael Hanselmann | class _StaticResolver: |
298 | 00267bfe | Michael Hanselmann | def __init__(self, addresses): |
299 | 00267bfe | Michael Hanselmann | """Initializes this class.
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300 | 00267bfe | Michael Hanselmann |
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301 | 00267bfe | Michael Hanselmann | """
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302 | 00267bfe | Michael Hanselmann | self._addresses = addresses
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303 | 00267bfe | Michael Hanselmann | |
304 | 00267bfe | Michael Hanselmann | def __call__(self, hosts): |
305 | 00267bfe | Michael Hanselmann | """Returns static addresses for hosts.
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306 | 00267bfe | Michael Hanselmann |
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307 | 00267bfe | Michael Hanselmann | """
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308 | 00267bfe | Michael Hanselmann | assert len(hosts) == len(self._addresses) |
309 | 00267bfe | Michael Hanselmann | return zip(hosts, self._addresses) |
310 | 00267bfe | Michael Hanselmann | |
311 | eb202c13 | Manuel Franceschini | |
312 | 00267bfe | Michael Hanselmann | def _CheckConfigNode(name, node): |
313 | 00267bfe | Michael Hanselmann | """Checks if a node is online.
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314 | eb202c13 | Manuel Franceschini |
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315 | 00267bfe | Michael Hanselmann | @type name: string
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316 | 00267bfe | Michael Hanselmann | @param name: Node name
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317 | 00267bfe | Michael Hanselmann | @type node: L{objects.Node} or None
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318 | 00267bfe | Michael Hanselmann | @param node: Node object
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319 | eb202c13 | Manuel Franceschini |
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320 | 00267bfe | Michael Hanselmann | """
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321 | 00267bfe | Michael Hanselmann | if node is None: |
322 | 00267bfe | Michael Hanselmann | # Depend on DNS for name resolution
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323 | 00267bfe | Michael Hanselmann | ip = name |
324 | 00267bfe | Michael Hanselmann | elif node.offline:
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325 | 00267bfe | Michael Hanselmann | ip = _OFFLINE |
326 | 00267bfe | Michael Hanselmann | else:
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327 | 00267bfe | Michael Hanselmann | ip = node.primary_ip |
328 | 00267bfe | Michael Hanselmann | return (name, ip)
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329 | a8083063 | Iustin Pop | |
330 | a8083063 | Iustin Pop | |
331 | 00267bfe | Michael Hanselmann | def _NodeConfigResolver(single_node_fn, all_nodes_fn, hosts): |
332 | 00267bfe | Michael Hanselmann | """Calculate node addresses using configuration.
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333 | a8083063 | Iustin Pop |
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334 | a8083063 | Iustin Pop | """
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335 | 00267bfe | Michael Hanselmann | # Special case for single-host lookups
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336 | 00267bfe | Michael Hanselmann | if len(hosts) == 1: |
337 | 00267bfe | Michael Hanselmann | (name, ) = hosts |
338 | 00267bfe | Michael Hanselmann | return [_CheckConfigNode(name, single_node_fn(name))]
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339 | 00267bfe | Michael Hanselmann | else:
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340 | 00267bfe | Michael Hanselmann | all_nodes = all_nodes_fn() |
341 | 00267bfe | Michael Hanselmann | return [_CheckConfigNode(name, all_nodes.get(name, None)) |
342 | 00267bfe | Michael Hanselmann | for name in hosts] |
343 | 00267bfe | Michael Hanselmann | |
344 | 00267bfe | Michael Hanselmann | |
345 | 00267bfe | Michael Hanselmann | class _RpcProcessor: |
346 | aea5caef | Michael Hanselmann | def __init__(self, resolver, port, lock_monitor_cb=None): |
347 | 00267bfe | Michael Hanselmann | """Initializes this class.
|
348 | 00267bfe | Michael Hanselmann |
|
349 | 00267bfe | Michael Hanselmann | @param resolver: callable accepting a list of hostnames, returning a list
|
350 | 00267bfe | Michael Hanselmann | of tuples containing name and IP address (IP address can be the name or
|
351 | 00267bfe | Michael Hanselmann | the special value L{_OFFLINE} to mark offline machines)
|
352 | 00267bfe | Michael Hanselmann | @type port: int
|
353 | 00267bfe | Michael Hanselmann | @param port: TCP port
|
354 | aea5caef | Michael Hanselmann | @param lock_monitor_cb: Callable for registering with lock monitor
|
355 | 3ef3c771 | Iustin Pop |
|
356 | a8083063 | Iustin Pop | """
|
357 | 00267bfe | Michael Hanselmann | self._resolver = resolver
|
358 | 00267bfe | Michael Hanselmann | self._port = port
|
359 | aea5caef | Michael Hanselmann | self._lock_monitor_cb = lock_monitor_cb
|
360 | eb202c13 | Manuel Franceschini | |
361 | 00267bfe | Michael Hanselmann | @staticmethod
|
362 | 00267bfe | Michael Hanselmann | def _PrepareRequests(hosts, port, procedure, body, read_timeout): |
363 | 00267bfe | Michael Hanselmann | """Prepares requests by sorting offline hosts into separate list.
|
364 | eb202c13 | Manuel Franceschini |
|
365 | 00267bfe | Michael Hanselmann | """
|
366 | 00267bfe | Michael Hanselmann | results = {} |
367 | 00267bfe | Michael Hanselmann | requests = {} |
368 | bdf7d8c0 | Iustin Pop | |
369 | 00267bfe | Michael Hanselmann | for (name, ip) in hosts: |
370 | 00267bfe | Michael Hanselmann | if ip is _OFFLINE: |
371 | 00267bfe | Michael Hanselmann | # Node is marked as offline
|
372 | 00267bfe | Michael Hanselmann | results[name] = RpcResult(node=name, offline=True, call=procedure)
|
373 | 00267bfe | Michael Hanselmann | else:
|
374 | 00267bfe | Michael Hanselmann | requests[name] = \ |
375 | 00267bfe | Michael Hanselmann | http.client.HttpClientRequest(str(ip), port,
|
376 | 00267bfe | Michael Hanselmann | http.HTTP_PUT, str("/%s" % procedure), |
377 | 00267bfe | Michael Hanselmann | headers=_RPC_CLIENT_HEADERS, |
378 | 00267bfe | Michael Hanselmann | post_data=body, |
379 | 7cb2d205 | Michael Hanselmann | read_timeout=read_timeout, |
380 | abbf2cd9 | Michael Hanselmann | nicename="%s/%s" % (name, procedure),
|
381 | abbf2cd9 | Michael Hanselmann | curl_config_fn=_ConfigRpcCurl) |
382 | a8083063 | Iustin Pop | |
383 | 00267bfe | Michael Hanselmann | return (results, requests)
|
384 | 00267bfe | Michael Hanselmann | |
385 | 00267bfe | Michael Hanselmann | @staticmethod
|
386 | 00267bfe | Michael Hanselmann | def _CombineResults(results, requests, procedure): |
387 | 00267bfe | Michael Hanselmann | """Combines pre-computed results for offline hosts with actual call results.
|
388 | bdf7d8c0 | Iustin Pop |
|
389 | a8083063 | Iustin Pop | """
|
390 | 00267bfe | Michael Hanselmann | for name, req in requests.items(): |
391 | 00267bfe | Michael Hanselmann | if req.success and req.resp_status_code == http.HTTP_OK: |
392 | 00267bfe | Michael Hanselmann | host_result = RpcResult(data=serializer.LoadJson(req.resp_body), |
393 | 00267bfe | Michael Hanselmann | node=name, call=procedure) |
394 | 00267bfe | Michael Hanselmann | else:
|
395 | 00267bfe | Michael Hanselmann | # TODO: Better error reporting
|
396 | 00267bfe | Michael Hanselmann | if req.error:
|
397 | 00267bfe | Michael Hanselmann | msg = req.error |
398 | 00267bfe | Michael Hanselmann | else:
|
399 | 00267bfe | Michael Hanselmann | msg = req.resp_body |
400 | eb202c13 | Manuel Franceschini | |
401 | 00267bfe | Michael Hanselmann | logging.error("RPC error in %s on node %s: %s", procedure, name, msg)
|
402 | 00267bfe | Michael Hanselmann | host_result = RpcResult(data=msg, failed=True, node=name,
|
403 | 00267bfe | Michael Hanselmann | call=procedure) |
404 | ecfe9491 | Michael Hanselmann | |
405 | 00267bfe | Michael Hanselmann | results[name] = host_result |
406 | 92fd2250 | Iustin Pop | |
407 | 00267bfe | Michael Hanselmann | return results
|
408 | a8083063 | Iustin Pop | |
409 | abbf2cd9 | Michael Hanselmann | def __call__(self, hosts, procedure, body, read_timeout=None, |
410 | abbf2cd9 | Michael Hanselmann | _req_process_fn=http.client.ProcessRequests): |
411 | 00267bfe | Michael Hanselmann | """Makes an RPC request to a number of nodes.
|
412 | ecfe9491 | Michael Hanselmann |
|
413 | 00267bfe | Michael Hanselmann | @type hosts: sequence
|
414 | 00267bfe | Michael Hanselmann | @param hosts: Hostnames
|
415 | 00267bfe | Michael Hanselmann | @type procedure: string
|
416 | 00267bfe | Michael Hanselmann | @param procedure: Request path
|
417 | 00267bfe | Michael Hanselmann | @type body: string
|
418 | 00267bfe | Michael Hanselmann | @param body: Request body
|
419 | 00267bfe | Michael Hanselmann | @type read_timeout: int or None
|
420 | 00267bfe | Michael Hanselmann | @param read_timeout: Read timeout for request
|
421 | a8083063 | Iustin Pop |
|
422 | a8083063 | Iustin Pop | """
|
423 | 00267bfe | Michael Hanselmann | if read_timeout is None: |
424 | 83e7af18 | Michael Hanselmann | read_timeout = _TIMEOUTS.get(procedure, None)
|
425 | 83e7af18 | Michael Hanselmann | |
426 | 83e7af18 | Michael Hanselmann | assert read_timeout is not None, \ |
427 | 83e7af18 | Michael Hanselmann | "Missing RPC read timeout for procedure '%s'" % procedure
|
428 | a8083063 | Iustin Pop | |
429 | 00267bfe | Michael Hanselmann | (results, requests) = \ |
430 | 00267bfe | Michael Hanselmann | self._PrepareRequests(self._resolver(hosts), self._port, procedure, |
431 | 00267bfe | Michael Hanselmann | str(body), read_timeout)
|
432 | a8083063 | Iustin Pop | |
433 | abbf2cd9 | Michael Hanselmann | _req_process_fn(requests.values(), lock_monitor_cb=self._lock_monitor_cb)
|
434 | a8083063 | Iustin Pop | |
435 | 00267bfe | Michael Hanselmann | assert not frozenset(results).intersection(requests) |
436 | ecfe9491 | Michael Hanselmann | |
437 | 00267bfe | Michael Hanselmann | return self._CombineResults(results, requests, procedure) |
438 | a8083063 | Iustin Pop | |
439 | a8083063 | Iustin Pop | |
440 | db04ce5d | Michael Hanselmann | class RpcRunner(_generated_rpc.RpcClientDefault, |
441 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap): |
442 | 87b3cb26 | Michael Hanselmann | """RPC runner class.
|
443 | a8083063 | Iustin Pop |
|
444 | 87b3cb26 | Michael Hanselmann | """
|
445 | 87b3cb26 | Michael Hanselmann | def __init__(self, context): |
446 | 87b3cb26 | Michael Hanselmann | """Initialized the RPC runner.
|
447 | a8083063 | Iustin Pop |
|
448 | 87b3cb26 | Michael Hanselmann | @type context: C{masterd.GanetiContext}
|
449 | 87b3cb26 | Michael Hanselmann | @param context: Ganeti context
|
450 | a8083063 | Iustin Pop |
|
451 | 72737a7f | Iustin Pop | """
|
452 | db04ce5d | Michael Hanselmann | # Pylint doesn't recognize multiple inheritance properly, see
|
453 | db04ce5d | Michael Hanselmann | # <http://www.logilab.org/ticket/36586> and
|
454 | db04ce5d | Michael Hanselmann | # <http://www.logilab.org/ticket/35642>
|
455 | db04ce5d | Michael Hanselmann | # pylint: disable=W0233
|
456 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap.__init__(self)
|
457 | 200de241 | Michael Hanselmann | _generated_rpc.RpcClientDefault.__init__(self)
|
458 | 200de241 | Michael Hanselmann | |
459 | 87b3cb26 | Michael Hanselmann | self._cfg = context.cfg
|
460 | 00267bfe | Michael Hanselmann | self._proc = _RpcProcessor(compat.partial(_NodeConfigResolver,
|
461 | 00267bfe | Michael Hanselmann | self._cfg.GetNodeInfo,
|
462 | 00267bfe | Michael Hanselmann | self._cfg.GetAllNodesInfo),
|
463 | aea5caef | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED), |
464 | aea5caef | Michael Hanselmann | lock_monitor_cb=context.glm.AddToLockMonitor) |
465 | a8083063 | Iustin Pop | |
466 | 1bdcbbab | Iustin Pop | def _InstDict(self, instance, hvp=None, bep=None, osp=None): |
467 | 26ba2bd8 | Iustin Pop | """Convert the given instance to a dict.
|
468 | 26ba2bd8 | Iustin Pop |
|
469 | 26ba2bd8 | Iustin Pop | This is done via the instance's ToDict() method and additionally
|
470 | 26ba2bd8 | Iustin Pop | we fill the hvparams with the cluster defaults.
|
471 | 26ba2bd8 | Iustin Pop |
|
472 | 26ba2bd8 | Iustin Pop | @type instance: L{objects.Instance}
|
473 | 26ba2bd8 | Iustin Pop | @param instance: an Instance object
|
474 | 0eca8e0c | Iustin Pop | @type hvp: dict or None
|
475 | 5bbd3f7f | Michael Hanselmann | @param hvp: a dictionary with overridden hypervisor parameters
|
476 | 0eca8e0c | Iustin Pop | @type bep: dict or None
|
477 | 5bbd3f7f | Michael Hanselmann | @param bep: a dictionary with overridden backend parameters
|
478 | 1bdcbbab | Iustin Pop | @type osp: dict or None
|
479 | 8d8c4eff | Michael Hanselmann | @param osp: a dictionary with overridden os parameters
|
480 | 26ba2bd8 | Iustin Pop | @rtype: dict
|
481 | 26ba2bd8 | Iustin Pop | @return: the instance dict, with the hvparams filled with the
|
482 | 26ba2bd8 | Iustin Pop | cluster defaults
|
483 | 26ba2bd8 | Iustin Pop |
|
484 | 26ba2bd8 | Iustin Pop | """
|
485 | 26ba2bd8 | Iustin Pop | idict = instance.ToDict() |
486 | 5b442704 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
|
487 | 5b442704 | Iustin Pop | idict["hvparams"] = cluster.FillHV(instance)
|
488 | 0eca8e0c | Iustin Pop | if hvp is not None: |
489 | 0eca8e0c | Iustin Pop | idict["hvparams"].update(hvp)
|
490 | 5b442704 | Iustin Pop | idict["beparams"] = cluster.FillBE(instance)
|
491 | 0eca8e0c | Iustin Pop | if bep is not None: |
492 | 0eca8e0c | Iustin Pop | idict["beparams"].update(bep)
|
493 | 1bdcbbab | Iustin Pop | idict["osparams"] = cluster.SimpleFillOS(instance.os, instance.osparams)
|
494 | 1bdcbbab | Iustin Pop | if osp is not None: |
495 | 1bdcbbab | Iustin Pop | idict["osparams"].update(osp)
|
496 | b848ce79 | Guido Trotter | for nic in idict["nics"]: |
497 | b848ce79 | Guido Trotter | nic['nicparams'] = objects.FillDict(
|
498 | b848ce79 | Guido Trotter | cluster.nicparams[constants.PP_DEFAULT], |
499 | b848ce79 | Guido Trotter | nic['nicparams'])
|
500 | 26ba2bd8 | Iustin Pop | return idict
|
501 | 26ba2bd8 | Iustin Pop | |
502 | e0036155 | Iustin Pop | def _MultiNodeCall(self, node_list, procedure, args, read_timeout=None): |
503 | 160e2921 | Iustin Pop | """Helper for making a multi-node call
|
504 | 160e2921 | Iustin Pop |
|
505 | 160e2921 | Iustin Pop | """
|
506 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
507 | 00267bfe | Michael Hanselmann | return self._proc(node_list, procedure, body, read_timeout=read_timeout) |
508 | 9a525d83 | Michael Hanselmann | |
509 | 200de241 | Michael Hanselmann | def _Call(self, node_list, procedure, timeout, args): |
510 | 200de241 | Michael Hanselmann | """Entry point for automatically generated RPC wrappers.
|
511 | 200de241 | Michael Hanselmann |
|
512 | 200de241 | Michael Hanselmann | """
|
513 | 200de241 | Michael Hanselmann | return self._MultiNodeCall(node_list, procedure, args, read_timeout=timeout) |
514 | 200de241 | Michael Hanselmann | |
515 | 00267bfe | Michael Hanselmann | @staticmethod
|
516 | 00267bfe | Michael Hanselmann | def _StaticMultiNodeCall(node_list, procedure, args, |
517 | e0036155 | Iustin Pop | address_list=None, read_timeout=None): |
518 | 160e2921 | Iustin Pop | """Helper for making a multi-node static call
|
519 | 160e2921 | Iustin Pop |
|
520 | 160e2921 | Iustin Pop | """
|
521 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
522 | 00267bfe | Michael Hanselmann | |
523 | 00267bfe | Michael Hanselmann | if address_list is None: |
524 | 00267bfe | Michael Hanselmann | resolver = _SsconfResolver |
525 | 00267bfe | Michael Hanselmann | else:
|
526 | 00267bfe | Michael Hanselmann | # Caller provided an address list
|
527 | 00267bfe | Michael Hanselmann | resolver = _StaticResolver(address_list) |
528 | 00267bfe | Michael Hanselmann | |
529 | 00267bfe | Michael Hanselmann | proc = _RpcProcessor(resolver, |
530 | 00267bfe | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED)) |
531 | 00267bfe | Michael Hanselmann | return proc(node_list, procedure, body, read_timeout=read_timeout)
|
532 | 9a525d83 | Michael Hanselmann | |
533 | e0036155 | Iustin Pop | def _SingleNodeCall(self, node, procedure, args, read_timeout=None): |
534 | 160e2921 | Iustin Pop | """Helper for making a single-node call
|
535 | 9a525d83 | Michael Hanselmann |
|
536 | 9a525d83 | Michael Hanselmann | """
|
537 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
538 | 00267bfe | Michael Hanselmann | return self._proc([node], procedure, body, read_timeout=read_timeout)[node] |
539 | 9a525d83 | Michael Hanselmann | |
540 | 9a525d83 | Michael Hanselmann | @classmethod
|
541 | e0036155 | Iustin Pop | def _StaticSingleNodeCall(cls, node, procedure, args, read_timeout=None): |
542 | 160e2921 | Iustin Pop | """Helper for making a single-node static call
|
543 | 9a525d83 | Michael Hanselmann |
|
544 | 9a525d83 | Michael Hanselmann | """
|
545 | 160e2921 | Iustin Pop | body = serializer.DumpJson(args, indent=False)
|
546 | 00267bfe | Michael Hanselmann | proc = _RpcProcessor(_SsconfResolver, |
547 | 00267bfe | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED)) |
548 | 00267bfe | Michael Hanselmann | return proc([node], procedure, body, read_timeout=read_timeout)[node]
|
549 | 9a525d83 | Michael Hanselmann | |
550 | efc71a02 | Michael Hanselmann | @staticmethod
|
551 | efc71a02 | Michael Hanselmann | def _BlockdevFindPostProc(result): |
552 | efc71a02 | Michael Hanselmann | if not result.fail_msg and result.payload is not None: |
553 | efc71a02 | Michael Hanselmann | result.payload = objects.BlockDevStatus.FromDict(result.payload) |
554 | efc71a02 | Michael Hanselmann | return result
|
555 | efc71a02 | Michael Hanselmann | |
556 | efc71a02 | Michael Hanselmann | @staticmethod
|
557 | efc71a02 | Michael Hanselmann | def _BlockdevGetMirrorStatusPostProc(result): |
558 | efc71a02 | Michael Hanselmann | if not result.fail_msg: |
559 | efc71a02 | Michael Hanselmann | result.payload = [objects.BlockDevStatus.FromDict(i) |
560 | efc71a02 | Michael Hanselmann | for i in result.payload] |
561 | efc71a02 | Michael Hanselmann | return result
|
562 | efc71a02 | Michael Hanselmann | |
563 | efc71a02 | Michael Hanselmann | @staticmethod
|
564 | efc71a02 | Michael Hanselmann | def _BlockdevGetMirrorStatusMultiPostProc(result): |
565 | efc71a02 | Michael Hanselmann | for nres in result.values(): |
566 | efc71a02 | Michael Hanselmann | if nres.fail_msg:
|
567 | efc71a02 | Michael Hanselmann | continue
|
568 | efc71a02 | Michael Hanselmann | |
569 | efc71a02 | Michael Hanselmann | for idx, (success, status) in enumerate(nres.payload): |
570 | efc71a02 | Michael Hanselmann | if success:
|
571 | efc71a02 | Michael Hanselmann | nres.payload[idx] = (success, objects.BlockDevStatus.FromDict(status)) |
572 | efc71a02 | Michael Hanselmann | |
573 | efc71a02 | Michael Hanselmann | return result
|
574 | efc71a02 | Michael Hanselmann | |
575 | efc71a02 | Michael Hanselmann | @staticmethod
|
576 | efc71a02 | Michael Hanselmann | def _OsGetPostProc(result): |
577 | efc71a02 | Michael Hanselmann | if not result.fail_msg and isinstance(result.payload, dict): |
578 | efc71a02 | Michael Hanselmann | result.payload = objects.OS.FromDict(result.payload) |
579 | efc71a02 | Michael Hanselmann | return result
|
580 | efc71a02 | Michael Hanselmann | |
581 | efc71a02 | Michael Hanselmann | @staticmethod
|
582 | efc71a02 | Michael Hanselmann | def _PrepareFinalizeExportDisks(snap_disks): |
583 | efc71a02 | Michael Hanselmann | flat_disks = [] |
584 | efc71a02 | Michael Hanselmann | |
585 | efc71a02 | Michael Hanselmann | for disk in snap_disks: |
586 | efc71a02 | Michael Hanselmann | if isinstance(disk, bool): |
587 | efc71a02 | Michael Hanselmann | flat_disks.append(disk) |
588 | efc71a02 | Michael Hanselmann | else:
|
589 | efc71a02 | Michael Hanselmann | flat_disks.append(disk.ToDict()) |
590 | efc71a02 | Michael Hanselmann | |
591 | efc71a02 | Michael Hanselmann | return flat_disks
|
592 | efc71a02 | Michael Hanselmann | |
593 | efc71a02 | Michael Hanselmann | @staticmethod
|
594 | efc71a02 | Michael Hanselmann | def _ImpExpStatusPostProc(result): |
595 | efc71a02 | Michael Hanselmann | """Post-processor for import/export status.
|
596 | efc71a02 | Michael Hanselmann |
|
597 | efc71a02 | Michael Hanselmann | @rtype: Payload containing list of L{objects.ImportExportStatus} instances
|
598 | efc71a02 | Michael Hanselmann | @return: Returns a list of the state of each named import/export or None if
|
599 | efc71a02 | Michael Hanselmann | a status couldn't be retrieved
|
600 | efc71a02 | Michael Hanselmann |
|
601 | efc71a02 | Michael Hanselmann | """
|
602 | efc71a02 | Michael Hanselmann | if not result.fail_msg: |
603 | efc71a02 | Michael Hanselmann | decoded = [] |
604 | efc71a02 | Michael Hanselmann | |
605 | efc71a02 | Michael Hanselmann | for i in result.payload: |
606 | efc71a02 | Michael Hanselmann | if i is None: |
607 | efc71a02 | Michael Hanselmann | decoded.append(None)
|
608 | efc71a02 | Michael Hanselmann | continue
|
609 | efc71a02 | Michael Hanselmann | decoded.append(objects.ImportExportStatus.FromDict(i)) |
610 | efc71a02 | Michael Hanselmann | |
611 | efc71a02 | Michael Hanselmann | result.payload = decoded |
612 | efc71a02 | Michael Hanselmann | |
613 | efc71a02 | Michael Hanselmann | return result
|
614 | efc71a02 | Michael Hanselmann | |
615 | 46c293f0 | Michael Hanselmann | @staticmethod
|
616 | 46c293f0 | Michael Hanselmann | def _EncodeImportExportIO(ieio, ieioargs): |
617 | 46c293f0 | Michael Hanselmann | """Encodes import/export I/O information.
|
618 | 46c293f0 | Michael Hanselmann |
|
619 | 46c293f0 | Michael Hanselmann | """
|
620 | 46c293f0 | Michael Hanselmann | if ieio == constants.IEIO_RAW_DISK:
|
621 | 46c293f0 | Michael Hanselmann | assert len(ieioargs) == 1 |
622 | 46c293f0 | Michael Hanselmann | return (ieioargs[0].ToDict(), ) |
623 | 46c293f0 | Michael Hanselmann | |
624 | 46c293f0 | Michael Hanselmann | if ieio == constants.IEIO_SCRIPT:
|
625 | 46c293f0 | Michael Hanselmann | assert len(ieioargs) == 2 |
626 | 46c293f0 | Michael Hanselmann | return (ieioargs[0].ToDict(), ieioargs[1]) |
627 | 46c293f0 | Michael Hanselmann | |
628 | 46c293f0 | Michael Hanselmann | return ieioargs
|
629 | 46c293f0 | Michael Hanselmann | |
630 | 781de953 | Iustin Pop | #
|
631 | 781de953 | Iustin Pop | # Begin RPC calls
|
632 | 781de953 | Iustin Pop | #
|
633 | 781de953 | Iustin Pop | |
634 | 92fd2250 | Iustin Pop | @_RpcTimeout(_TMO_NORMAL)
|
635 | 323f9095 | Stephen Shirley | def call_instance_start(self, node, instance, hvp, bep, startup_paused): |
636 | 72737a7f | Iustin Pop | """Starts an instance.
|
637 | a8083063 | Iustin Pop |
|
638 | 72737a7f | Iustin Pop | This is a single-node call.
|
639 | a8083063 | Iustin Pop |
|
640 | 72737a7f | Iustin Pop | """
|
641 | 0eca8e0c | Iustin Pop | idict = self._InstDict(instance, hvp=hvp, bep=bep)
|
642 | 323f9095 | Stephen Shirley | return self._SingleNodeCall(node, "instance_start", [idict, startup_paused]) |
643 | a8083063 | Iustin Pop | |
644 | 92fd2250 | Iustin Pop | @_RpcTimeout(_TMO_1DAY)
|
645 | 8d8c4eff | Michael Hanselmann | def call_instance_os_add(self, node, inst, reinstall, debug, osparams=None): |
646 | 72737a7f | Iustin Pop | """Installs an OS on the given instance.
|
647 | a8083063 | Iustin Pop |
|
648 | 72737a7f | Iustin Pop | This is a single-node call.
|
649 | decd5f45 | Iustin Pop |
|
650 | 72737a7f | Iustin Pop | """
|
651 | 9a525d83 | Michael Hanselmann | return self._SingleNodeCall(node, "instance_os_add", |
652 | 8d8c4eff | Michael Hanselmann | [self._InstDict(inst, osp=osparams),
|
653 | 8d8c4eff | Michael Hanselmann | reinstall, debug]) |
654 | decd5f45 | Iustin Pop | |
655 | 9a525d83 | Michael Hanselmann | @classmethod
|
656 | 92fd2250 | Iustin Pop | @_RpcTimeout(_TMO_NORMAL)
|
657 | 9a525d83 | Michael Hanselmann | def call_upload_file(cls, node_list, file_name, address_list=None): |
658 | 72737a7f | Iustin Pop | """Upload a file.
|
659 | 72737a7f | Iustin Pop |
|
660 | 72737a7f | Iustin Pop | The node will refuse the operation in case the file is not on the
|
661 | 72737a7f | Iustin Pop | approved file list.
|
662 | 72737a7f | Iustin Pop |
|
663 | 72737a7f | Iustin Pop | This is a multi-node call.
|
664 | a8083063 | Iustin Pop |
|
665 | 6b294c53 | Iustin Pop | @type node_list: list
|
666 | 6b294c53 | Iustin Pop | @param node_list: the list of node names to upload to
|
667 | 6b294c53 | Iustin Pop | @type file_name: str
|
668 | 6b294c53 | Iustin Pop | @param file_name: the filename to upload
|
669 | 6b294c53 | Iustin Pop | @type address_list: list or None
|
670 | 6b294c53 | Iustin Pop | @keyword address_list: an optional list of node addresses, in order
|
671 | 6b294c53 | Iustin Pop | to optimize the RPC speed
|
672 | 6b294c53 | Iustin Pop |
|
673 | 72737a7f | Iustin Pop | """
|
674 | 12bce260 | Michael Hanselmann | file_contents = utils.ReadFile(file_name) |
675 | 30474135 | Michael Hanselmann | data = _Compress(file_contents) |
676 | 72737a7f | Iustin Pop | st = os.stat(file_name) |
677 | 9a914f7a | René Nussbaumer | getents = runtime.GetEnts() |
678 | 9a914f7a | René Nussbaumer | params = [file_name, data, st.st_mode, getents.LookupUid(st.st_uid), |
679 | 9a914f7a | René Nussbaumer | getents.LookupGid(st.st_gid), st.st_atime, st.st_mtime] |
680 | 9a525d83 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "upload_file", params, |
681 | 9a525d83 | Michael Hanselmann | address_list=address_list) |
682 | 72737a7f | Iustin Pop | |
683 | 6ddc95ec | Michael Hanselmann | @classmethod
|
684 | 92fd2250 | Iustin Pop | @_RpcTimeout(_TMO_NORMAL)
|
685 | 03d1dba2 | Michael Hanselmann | def call_write_ssconf_files(cls, node_list, values): |
686 | 6ddc95ec | Michael Hanselmann | """Write ssconf files.
|
687 | 6ddc95ec | Michael Hanselmann |
|
688 | 6ddc95ec | Michael Hanselmann | This is a multi-node call.
|
689 | 6ddc95ec | Michael Hanselmann |
|
690 | 6ddc95ec | Michael Hanselmann | """
|
691 | 03d1dba2 | Michael Hanselmann | return cls._StaticMultiNodeCall(node_list, "write_ssconf_files", [values]) |
692 | 6ddc95ec | Michael Hanselmann | |
693 | 0436da49 | Michael Hanselmann | def call_test_delay(self, node_list, duration, read_timeout=None): |
694 | 72737a7f | Iustin Pop | """Sleep for a fixed time on given node(s).
|
695 | 06009e27 | Iustin Pop |
|
696 | 72737a7f | Iustin Pop | This is a multi-node call.
|
697 | 06009e27 | Iustin Pop |
|
698 | 72737a7f | Iustin Pop | """
|
699 | 0436da49 | Michael Hanselmann | assert read_timeout is None |
700 | 0436da49 | Michael Hanselmann | return self.call_test_delay(node_list, duration, |
701 | 0436da49 | Michael Hanselmann | read_timeout=int(duration + 5)) |
702 | 5e04ed8b | Manuel Franceschini | |
703 | 92fd2250 | Iustin Pop | @_RpcTimeout(_TMO_NORMAL)
|
704 | 6217e295 | Iustin Pop | def call_hypervisor_validate_params(self, node_list, hvname, hvparams): |
705 | 6217e295 | Iustin Pop | """Validate the hypervisor params.
|
706 | 6217e295 | Iustin Pop |
|
707 | 6217e295 | Iustin Pop | This is a multi-node call.
|
708 | 6217e295 | Iustin Pop |
|
709 | 6217e295 | Iustin Pop | @type node_list: list
|
710 | 6217e295 | Iustin Pop | @param node_list: the list of nodes to query
|
711 | 6217e295 | Iustin Pop | @type hvname: string
|
712 | 6217e295 | Iustin Pop | @param hvname: the hypervisor name
|
713 | 6217e295 | Iustin Pop | @type hvparams: dict
|
714 | 6217e295 | Iustin Pop | @param hvparams: the hypervisor parameters to be validated
|
715 | 6217e295 | Iustin Pop |
|
716 | 6217e295 | Iustin Pop | """
|
717 | 6217e295 | Iustin Pop | cluster = self._cfg.GetClusterInfo()
|
718 | abe609b2 | Guido Trotter | hv_full = objects.FillDict(cluster.hvparams.get(hvname, {}), hvparams) |
719 | 9a525d83 | Michael Hanselmann | return self._MultiNodeCall(node_list, "hypervisor_validate_params", |
720 | 9a525d83 | Michael Hanselmann | [hvname, hv_full]) |
721 | fb1ffbca | Michael Hanselmann | |
722 | fb1ffbca | Michael Hanselmann | |
723 | fb1ffbca | Michael Hanselmann | class JobQueueRunner(_generated_rpc.RpcClientJobQueue): |
724 | fb1ffbca | Michael Hanselmann | """RPC wrappers for job queue.
|
725 | fb1ffbca | Michael Hanselmann |
|
726 | fb1ffbca | Michael Hanselmann | """
|
727 | fb1ffbca | Michael Hanselmann | _Compress = staticmethod(_Compress)
|
728 | fb1ffbca | Michael Hanselmann | |
729 | fb1ffbca | Michael Hanselmann | def __init__(self, context, address_list): |
730 | fb1ffbca | Michael Hanselmann | """Initializes this class.
|
731 | fb1ffbca | Michael Hanselmann |
|
732 | fb1ffbca | Michael Hanselmann | """
|
733 | fb1ffbca | Michael Hanselmann | _generated_rpc.RpcClientJobQueue.__init__(self)
|
734 | fb1ffbca | Michael Hanselmann | |
735 | fb1ffbca | Michael Hanselmann | if address_list is None: |
736 | fb1ffbca | Michael Hanselmann | resolver = _SsconfResolver |
737 | fb1ffbca | Michael Hanselmann | else:
|
738 | fb1ffbca | Michael Hanselmann | # Caller provided an address list
|
739 | fb1ffbca | Michael Hanselmann | resolver = _StaticResolver(address_list) |
740 | fb1ffbca | Michael Hanselmann | |
741 | fb1ffbca | Michael Hanselmann | self._proc = _RpcProcessor(resolver,
|
742 | fb1ffbca | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED), |
743 | fb1ffbca | Michael Hanselmann | lock_monitor_cb=context.glm.AddToLockMonitor) |
744 | fb1ffbca | Michael Hanselmann | |
745 | fb1ffbca | Michael Hanselmann | def _Call(self, node_list, procedure, timeout, args): |
746 | fb1ffbca | Michael Hanselmann | """Entry point for automatically generated RPC wrappers.
|
747 | fb1ffbca | Michael Hanselmann |
|
748 | fb1ffbca | Michael Hanselmann | """
|
749 | fb1ffbca | Michael Hanselmann | body = serializer.DumpJson(args, indent=False)
|
750 | fb1ffbca | Michael Hanselmann | |
751 | fb1ffbca | Michael Hanselmann | return self._proc(node_list, procedure, body, read_timeout=timeout) |
752 | db04ce5d | Michael Hanselmann | |
753 | db04ce5d | Michael Hanselmann | |
754 | db04ce5d | Michael Hanselmann | class BootstrapRunner(_generated_rpc.RpcClientBootstrap): |
755 | db04ce5d | Michael Hanselmann | """RPC wrappers for bootstrapping.
|
756 | db04ce5d | Michael Hanselmann |
|
757 | db04ce5d | Michael Hanselmann | """
|
758 | db04ce5d | Michael Hanselmann | def __init__(self): |
759 | db04ce5d | Michael Hanselmann | """Initializes this class.
|
760 | db04ce5d | Michael Hanselmann |
|
761 | db04ce5d | Michael Hanselmann | """
|
762 | db04ce5d | Michael Hanselmann | _generated_rpc.RpcClientBootstrap.__init__(self)
|
763 | db04ce5d | Michael Hanselmann | |
764 | db04ce5d | Michael Hanselmann | self._proc = _RpcProcessor(_SsconfResolver,
|
765 | db04ce5d | Michael Hanselmann | netutils.GetDaemonPort(constants.NODED)) |
766 | db04ce5d | Michael Hanselmann | |
767 | db04ce5d | Michael Hanselmann | def _Call(self, node_list, procedure, timeout, args): |
768 | db04ce5d | Michael Hanselmann | """Entry point for automatically generated RPC wrappers.
|
769 | db04ce5d | Michael Hanselmann |
|
770 | db04ce5d | Michael Hanselmann | """
|
771 | db04ce5d | Michael Hanselmann | body = serializer.DumpJson(args, indent=False)
|
772 | db04ce5d | Michael Hanselmann | |
773 | db04ce5d | Michael Hanselmann | return self._proc(node_list, procedure, body, read_timeout=timeout) |