Mercurial > bitten > bitten-test
annotate bitten/master.py @ 86:110bfa3cbc32
Slaves were getting associated with the wrong target platform.
author | cmlenz |
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date | Sun, 10 Jul 2005 20:44:05 +0000 |
parents | acb7b67b8152 |
children | 8ae753a22494 |
rev | line source |
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Initial code for build master and slave... these don't do a lot yet.
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1 # -*- coding: iso8859-1 -*- |
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2 # |
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3 # Copyright (C) 2005 Christopher Lenz <cmlenz@gmx.de> |
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4 # |
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5 # Bitten is free software; you can redistribute it and/or |
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6 # modify it under the terms of the GNU General Public License as |
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7 # published by the Free Software Foundation; either version 2 of the |
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8 # License, or (at your option) any later version. |
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9 # |
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10 # Trac is distributed in the hope that it will be useful, |
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 # General Public License for more details. |
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14 # |
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15 # You should have received a copy of the GNU General Public License |
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16 # along with this program; if not, write to the Free Software |
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17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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18 # |
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19 # Author: Christopher Lenz <cmlenz@gmx.de> |
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20 |
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21 from itertools import ifilter |
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22 import logging |
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23 import os.path |
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24 import re |
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25 try: |
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26 set |
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27 except NameError: |
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28 from sets import Set as set |
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29 import time |
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30 |
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31 from trac.env import Environment |
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Record the output of build steps in the database. See #12. Still need to get better granularity in transmitting the log output from slave to master before #12 can be closed.
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32 from bitten.model import BuildConfig, TargetPlatform, Build, BuildStep |
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33 from bitten.util import archive, beep, xmlio |
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34 |
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35 |
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36 class Master(beep.Listener): |
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37 |
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38 TRIGGER_INTERVAL = 10 |
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39 |
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40 def __init__(self, env_path, ip, port): |
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41 beep.Listener.__init__(self, ip, port) |
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42 self.profiles[OrchestrationProfileHandler.URI] = OrchestrationProfileHandler |
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43 self.env = Environment(env_path) |
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44 |
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45 self.slaves = {} |
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46 |
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47 # path to generated snapshot archives, key is (config name, revision) |
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48 self.snapshots = {} |
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49 |
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50 self.schedule(self.TRIGGER_INTERVAL, self._check_build_triggers) |
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51 |
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52 def close(self): |
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53 # Remove all pending builds |
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54 for build in Build.select(self.env, status=Build.PENDING): |
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55 build.delete() |
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56 beep.Listener.close(self) |
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57 |
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58 def _check_build_triggers(self, master, when): |
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59 self.schedule(self.TRIGGER_INTERVAL, self._check_build_triggers) |
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60 |
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61 repos = self.env.get_repository() |
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62 try: |
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63 repos.sync() |
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64 |
45 | 65 for config in BuildConfig.select(self.env): |
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66 logging.debug('Checking for changes to "%s" at %s', |
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67 config.label, config.path) |
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68 node = repos.get_node(config.path) |
56 | 69 for path, rev, chg in node.get_history(): |
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70 enqueued = False |
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71 for platform in TargetPlatform.select(self.env, config.name): |
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72 # Check whether the latest revision of the configuration |
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73 # has already been built on this platform |
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74 builds = Build.select(self.env, config.name, rev, |
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75 platform.id) |
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76 if not list(builds): |
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77 logging.info('Enqueuing build of configuration "%s"' |
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78 ' at revision [%s] on %s', config.name, |
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79 rev, platform.name) |
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80 build = Build(self.env) |
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81 build.config = config.name |
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82 build.rev = rev |
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83 build.rev_time = repos.get_changeset(rev).date |
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84 build.platform = platform.id |
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85 build.insert() |
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86 enqueued = True |
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87 if enqueued: |
56 | 88 break |
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89 finally: |
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90 repos.close() |
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91 |
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92 self.schedule(5, self._check_build_queue) |
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93 |
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94 def _check_build_queue(self, master, when): |
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95 if not self.slaves: |
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96 return |
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97 logging.debug('Checking for pending builds...') |
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98 for build in Build.select(self.env, status=Build.PENDING): |
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99 for slave in self.slaves.get(build.platform, []): |
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100 active_builds = Build.select(self.env, slave=slave.name, |
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101 status=Build.IN_PROGRESS) |
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102 if not list(active_builds): |
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103 slave.send_initiation(build) |
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104 return |
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105 |
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106 def get_snapshot(self, build, type, encoding): |
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107 formats = { |
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108 ('application/tar', 'bzip2'): 'bzip2', |
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109 ('application/tar', 'gzip'): 'bzip', |
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110 ('application/tar', None): 'tar', |
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111 ('application/zip', None): 'zip', |
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112 } |
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113 if not (build.config, build.rev, type, encoding) in self.snapshots: |
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114 config = BuildConfig(self.env, build.config) |
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115 snapshot = archive.pack(self.env, path=config.path, rev=build.rev, |
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116 prefix=config.name, |
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117 format=formats[(type, encoding)]) |
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118 logging.info('Prepared snapshot archive at %s' % snapshot) |
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119 self.snapshots[(build.config, build.rev, type, encoding)] = snapshot |
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120 return self.snapshots[(build.config, build.rev, type, encoding)] |
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121 |
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122 def register(self, handler): |
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123 any_match = False |
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124 for config in BuildConfig.select(self.env): |
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125 for platform in TargetPlatform.select(self.env, config=config.name): |
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126 if not platform.id in self.slaves: |
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127 self.slaves[platform.id] = set() |
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128 match = True |
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129 for property, pattern in ifilter(None, platform.rules): |
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130 try: |
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131 if not re.match(pattern, handler.info.get(property)): |
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132 match = False |
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133 break |
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134 except re.error, e: |
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135 logging.error('Invalid platform matching pattern "%s"', |
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136 pattern, exc_info=True) |
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137 match = False |
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138 break |
84 | 139 if match: |
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140 logging.info('Slave %s matched target platform %s', |
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141 handler.name, platform.name) |
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142 self.slaves[platform.id].add(handler) |
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143 any_match = True |
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144 |
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145 if not any_match: |
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146 logging.warning('Slave %s does not match any of the configured ' |
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147 'target platforms', handler.name) |
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148 return False |
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149 |
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150 logging.info('Registered slave "%s"', handler.name) |
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151 return True |
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152 |
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153 def unregister(self, handler): |
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154 for slaves in self.slaves.values(): |
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155 slaves.discard(handler) |
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156 |
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157 for build in Build.select(self.env, slave=handler.name, |
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158 status=Build.IN_PROGRESS): |
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159 logging.info('Build [%s] of "%s" by %s cancelled', build.rev, |
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160 build.config, handler.name) |
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161 build.slave = None |
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162 build.status = Build.PENDING |
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163 build.started = 0 |
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164 build.update() |
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165 break |
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166 logging.info('Unregistered slave "%s"', handler.name) |
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167 |
56 | 168 |
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169 class OrchestrationProfileHandler(beep.ProfileHandler): |
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170 """Handler for communication on the Bitten build orchestration profile from |
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171 the perspective of the build master. |
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172 """ |
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173 URI = 'http://bitten.cmlenz.net/beep/orchestration' |
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174 |
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175 def handle_connect(self): |
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176 self.master = self.session.listener |
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177 assert self.master |
69 | 178 self.env = self.master.env |
179 assert self.env | |
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180 self.name = None |
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181 self.info = {} |
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182 |
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183 def handle_disconnect(self): |
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184 self.master.unregister(self) |
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185 |
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186 def handle_msg(self, msgno, msg): |
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187 assert msg.get_content_type() == beep.BEEP_XML |
29 | 188 elem = xmlio.parse(msg.get_payload()) |
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189 |
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190 if elem.name == 'register': |
69 | 191 self.name = elem.attr['name'] |
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192 for child in elem.children(): |
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193 if child.name == 'platform': |
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194 self.info[Build.MACHINE] = child.gettext() |
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195 self.info[Build.PROCESSOR] = child.attr.get('processor') |
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196 elif child.name == 'os': |
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197 self.info[Build.OS_NAME] = child.gettext() |
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198 self.info[Build.OS_FAMILY] = child.attr.get('family') |
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199 self.info[Build.OS_VERSION] = child.attr.get('version') |
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200 self.info[Build.IP_ADDRESS] = self.session.addr[0] |
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201 |
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202 if not self.master.register(self): |
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203 xml = xmlio.Element('error', code=550)[ |
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204 'Nothing for you to build here, please move along' |
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205 ] |
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206 self.channel.send_err(msgno, beep.MIMEMessage(xml)) |
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207 return |
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208 |
29 | 209 xml = xmlio.Element('ok') |
210 self.channel.send_rpy(msgno, beep.MIMEMessage(xml)) | |
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211 |
56 | 212 def send_initiation(self, build): |
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213 logging.debug('Initiating build of "%s" on slave %s', build.config, |
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214 self.name) |
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215 |
56 | 216 def handle_reply(cmd, msgno, ansno, msg): |
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217 if cmd == 'ERR': |
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218 if msg.get_content_type() == beep.BEEP_XML: |
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219 elem = xmlio.parse(msg.get_payload()) |
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220 if elem.name == 'error': |
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221 logging.warning('Slave %s refused build request: ' |
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222 '%s (%d)', self.name, elem.gettext(), |
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223 int(elem.attr['code'])) |
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224 return |
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225 |
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226 elem = xmlio.parse(msg.get_payload()) |
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227 assert elem.name == 'proceed' |
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228 type = encoding = None |
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229 for child in elem.children('accept'): |
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230 type, encoding = child.attr['type'], child.attr.get('encoding') |
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231 if (type, encoding) in (('application/tar', 'gzip'), |
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232 ('application/tar', 'bzip2'), |
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233 ('application/tar', None), |
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234 ('application/zip', None)): |
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235 break |
56 | 236 type = None |
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237 if not type: |
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238 xml = xmlio.Element('error', code=550)[ |
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239 'None of the accepted archive formats supported' |
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240 ] |
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241 self.channel.send_err(beep.MIMEMessage(xml)) |
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242 return |
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243 self.send_snapshot(build, type, encoding) |
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244 |
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245 xml = xmlio.Element('build', recipe='recipe.xml') |
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246 self.channel.send_msg(beep.MIMEMessage(xml), handle_reply=handle_reply) |
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247 |
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248 def send_snapshot(self, build, type, encoding): |
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249 |
56 | 250 def handle_reply(cmd, msgno, ansno, msg): |
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251 if cmd == 'ERR': |
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252 assert msg.get_content_type() == beep.BEEP_XML |
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253 elem = xmlio.parse(msg.get_payload()) |
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254 if elem.name == 'error': |
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255 logging.warning('Slave %s did not accept archive: %s (%d)', |
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256 self.name, elem.gettext(), |
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257 int(elem.attr['code'])) |
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258 |
56 | 259 if cmd == 'ANS': |
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260 elem = xmlio.parse(msg.get_payload()) |
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261 |
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262 if elem.name == 'started': |
56 | 263 build.slave = self.name |
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264 build.slave_info.update(self.info) |
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265 build.started = int(_parse_iso_datetime(elem.attr['time'])) |
56 | 266 build.status = Build.IN_PROGRESS |
267 build.update() | |
268 logging.info('Slave %s started build of "%s" as of [%s]', | |
269 self.name, build.config, build.rev) | |
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270 |
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271 elif elem.name == 'step': |
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272 logging.info('Slave completed step "%s"', elem.attr['id']) |
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273 step = BuildStep(self.env) |
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274 step.build = build.id |
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275 step.name = elem.attr['id'] |
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276 step.description = elem.attr.get('description') |
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277 step.started = int(_parse_iso_datetime(elem.attr['time'])) |
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278 step.stopped = step.started + int(elem.attr['duration']) |
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279 step.log = elem.gettext().strip() |
56 | 280 if elem.attr['result'] == 'failure': |
281 logging.warning('Step failed: %s', elem.gettext()) | |
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282 step.status = BuildStep.FAILURE |
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283 else: |
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284 step.status = BuildStep.SUCCESS |
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285 step.insert() |
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286 |
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287 elif elem.name == 'completed': |
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288 logging.info('Slave %s completed build of "%s" as of [%s]', |
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289 self.name, build.config, build.rev) |
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290 build.stopped = int(_parse_iso_datetime(elem.attr['time'])) |
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291 if elem.attr['result'] == 'failure': |
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292 build.status = Build.FAILURE |
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293 else: |
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294 build.status = Build.SUCCESS |
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295 |
70 | 296 elif elem.name == 'aborted': |
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297 logging.info('Slave "%s" aborted build', self.name) |
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298 build.slave = None |
69 | 299 build.started = 0 |
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300 build.status = Build.PENDING |
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301 |
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302 elif elem.name == 'error': |
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303 build.status = Build.FAILURE |
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304 |
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305 build.update() |
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306 |
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307 # TODO: should not block while reading the file; rather stream it using |
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308 # asyncore push_with_producer() |
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309 snapshot_path = self.master.get_snapshot(build, type, encoding) |
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310 snapshot_name = os.path.basename(snapshot_path) |
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311 message = beep.MIMEMessage(file(snapshot_path).read(), |
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312 content_disposition=snapshot_name, |
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313 content_type=type, content_encoding=encoding) |
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314 self.channel.send_msg(message, handle_reply=handle_reply) |
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315 |
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316 |
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317 def _parse_iso_datetime(string): |
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318 """Minimal parser for ISO date-time strings. |
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319 |
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320 Return the time as floating point number. Only handles UTC timestamps |
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321 without time zone information.""" |
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322 try: |
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323 string = string.split('.', 1)[0] # strip out microseconds |
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324 secs = time.mktime(time.strptime(string, '%Y-%m-%dT%H:%M:%S')) |
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325 tzoffset = time.timezone |
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326 if time.daylight: |
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327 tzoffset = time.altzone |
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328 return secs - tzoffset |
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329 except ValueError, e: |
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330 raise ValueError, 'Invalid ISO date/time %s (%s)' % (string, e) |
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331 |
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332 |
31 | 333 def main(): |
56 | 334 from bitten import __version__ as VERSION |
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335 from optparse import OptionParser |
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336 |
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337 parser = OptionParser(usage='usage: %prog [options] env-path', |
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338 version='%%prog %s' % VERSION) |
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339 parser.add_option('-p', '--port', action='store', type='int', dest='port', |
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340 help='port number to use') |
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341 parser.add_option('-H', '--host', action='store', dest='host', |
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342 help='the host name or IP address to bind to') |
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343 parser.add_option('--debug', action='store_const', dest='loglevel', |
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344 const=logging.DEBUG, help='enable debugging output') |
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345 parser.add_option('-v', '--verbose', action='store_const', dest='loglevel', |
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346 const=logging.INFO, help='print as much as possible') |
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347 parser.add_option('-q', '--quiet', action='store_const', dest='loglevel', |
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348 const=logging.ERROR, help='print as little as possible') |
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349 parser.set_defaults(port=7633, loglevel=logging.WARNING) |
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350 options, args = parser.parse_args() |
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351 |
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352 if len(args) < 1: |
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353 parser.error('incorrect number of arguments') |
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354 env_path = args[0] |
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355 |
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356 logging.getLogger().setLevel(options.loglevel) |
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357 port = options.port |
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358 if not (1 <= port <= 65535): |
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359 parser.error('port must be an integer in the range 1-65535') |
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360 |
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361 host = options.host |
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362 if not host: |
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363 import socket |
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364 ip = socket.gethostbyname(socket.gethostname()) |
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365 try: |
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366 host = socket.gethostbyaddr(ip)[0] |
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367 except socket.error, e: |
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368 logging.warning('Reverse host name lookup failed (%s)', e) |
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369 host = ip |
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370 |
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371 master = Master(env_path, host, port) |
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372 try: |
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373 master.run(timeout=5.0) |
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374 except KeyboardInterrupt: |
34
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375 master.quit() |
31 | 376 |
377 if __name__ == '__main__': | |
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378 main() |