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ReleaseEngineering/Buildslave Startup Process: Difference between revisions
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ReleaseEngineering/Buildslave Startup Process (view source)
Revision as of 22:43, 12 January 2015
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= Darwin = | = Darwin = | ||
== [[ReleaseEngineering/PuppetAgain|PuppetAgain]] == | == [[ReleaseEngineering/PuppetAgain|PuppetAgain]] == | ||
Puppet runs as root during startup, from [http://hg.mozilla.org/build/puppet/file/tip/modules/puppet/files/puppet-atboot.plist /Library/LaunchDaemons/com.mozilla.puppet.plist]. This runs [http://hg.mozilla.org/build/puppet/file/tip/modules/puppet/templates/puppet-darwin-run-puppet.sh.erb run-puppet.sh], which runs puppet repeatedly until it succeeds, rebooting after too many failures. When this script is finished, it touches /var/tmp/puppet.finished, which signals the | Puppet runs as root during startup, from [http://hg.mozilla.org/build/puppet/file/tip/modules/puppet/files/puppet-atboot.plist /Library/LaunchDaemons/com.mozilla.puppet.plist]. This runs [http://hg.mozilla.org/build/puppet/file/tip/modules/puppet/templates/puppet-darwin-run-puppet.sh.erb run-puppet.sh], which runs puppet repeatedly until it succeeds, rebooting after too many failures. When this script is finished, it touches /var/tmp/puppet.finished, which signals the runner [http://hg.mozilla.org/build/puppet/file/1185781bb6c1/modules/runner/templates/runner.plist.erb startup launchd script] to start. | ||
[http://hg.mozilla.org/build/puppet/file/tip/modules/buildslave/templates/org.mozilla.build.buildslave.plist.erb That script] is a LaunchAgent, which means it will run as any logged-in user. Using ''users::builder::autologin'', the builder user is logged in. The script is configured to run when /var/tmp/puppet.finished is changed. It merely invokes runslave.py. | [http://hg.mozilla.org/build/puppet/file/tip/modules/buildslave/templates/org.mozilla.build.buildslave.plist.erb That script] is a LaunchAgent, which means it will run as any logged-in user. Using ''users::builder::autologin'', the builder user is logged in. The script is configured to run when /var/tmp/puppet.finished is changed. It merely invokes runslave.py. | ||
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The /Library/LaunchDaemons/com.reductivelabs.puppet.plist runs /usr/local/bin/sleep-and-run-puppet.sh as root, which is presumably installed as part of the base image. This script sleeps for 60 seconds, then runs puppet in the foreground every 60 seconds until it succeeds. | The /Library/LaunchDaemons/com.reductivelabs.puppet.plist runs /usr/local/bin/sleep-and-run-puppet.sh as root, which is presumably installed as part of the base image. This script sleeps for 60 seconds, then runs puppet in the foreground every 60 seconds until it succeeds. | ||
The buildbot launchd script, /Library/LaunchAgents/org.mozilla.build. | The buildbot launchd script, /Library/LaunchAgents/org.mozilla.build.runner.plist, waits until puppet has run, and then invokes runner which starts buildslave via its [http://hg.mozilla.org/build/puppet/file/1185781bb6c1/modules/runner/templates/tasks/buildbot.py.erb buildbot task]. It runs as whatever user logs in on the GUI console, which had best be cltbld. | ||
= Windows = | = Windows = | ||