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phd - make stop / restart savvy to daemons without pid files
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Authored by btrahan on Aug 26 2014, 7:59 PM.
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Details

Summary

Ref T2374. This currently doesn't work in that while the daemons are stopped, they are restarted. How do I stop them for good? (If it worked I'd also give it a little pass for variable names, etc quality stuff)

Test Plan
14:09:20 ~/Dropbox/code/phalanx (T2374)
~> sudo ./bin/phd restart
There are no running Phabricator daemons.
Freeing active task leases...
Freed 0 task lease(s).
Preparing to launch daemons.
NOTE: Logs will appear in '/var/tmp/phd/log/daemons.log'.

Launching daemon "PhabricatorRepositoryPullLocalDaemon".
Launching daemon "PhabricatorGarbageCollectorDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Launching daemon "PhabricatorTaskmasterDaemon".
Done.
14:09:30 ~/Dropbox/code/phalanx (T2374)
~> rm -rf /var/tmp/phd/pid/*
14:09:42 ~/Dropbox/code/phalanx (T2374)
~> sudo ./bin/phd stop
There are no running Phabricator daemons.
There are processes running that look like Phabricator daemons but have no corresponding PID files:

php /Users/btrahan/Dropbox/code/libphutil/scripts/daemon/exec/exec_daemon.php PhabricatorRepositoryPullLocalDaemon --load-phutil-library=/Users/btrahan/Dropbox/code/arcanist/src --load-phutil-library=/Users/btrahan/Dropbox/code/phalanx/src --log=/var/tmp/phd/log/daemons.log --
php /Users/btrahan/Dropbox/code/libphutil/scripts/daemon/exec/exec_daemon.php PhabricatorGarbageCollectorDaemon --load-phutil-library=/Users/btrahan/Dropbox/code/arcanist/src --load-phutil-library=/Users/btrahan/Dropbox/code/phalanx/src --log=/var/tmp/phd/log/daemons.log --
php /Users/btrahan/Dropbox/code/libphutil/scripts/daemon/exec/exec_daemon.php PhabricatorTaskmasterDaemon --load-phutil-library=/Users/btrahan/Dropbox/code/arcanist/src --load-phutil-library=/Users/btrahan/Dropbox/code/phalanx/src --log=/var/tmp/phd/log/daemons.log --
php /Users/btrahan/Dropbox/code/libphutil/scripts/daemon/exec/exec_daemon.php PhabricatorTaskmasterDaemon --load-phutil-library=/Users/btrahan/Dropbox/code/arcanist/src --load-phutil-library=/Users/btrahan/Dropbox/code/phalanx/src --log=/var/tmp/phd/log/daemons.log --
php /Users/btrahan/Dropbox/code/libphutil/scripts/daemon/exec/exec_daemon.php PhabricatorTaskmasterDaemon --load-phutil-library=/Users/btrahan/Dropbox/code/arcanist/src --load-phutil-library=/Users/btrahan/Dropbox/code/phalanx/src --log=/var/tmp/phd/log/daemons.log --
php /Users/btrahan/Dropbox/code/libphutil/scripts/daemon/exec/exec_daemon.php PhabricatorTaskmasterDaemon --load-phutil-library=/Users/btrahan/Dropbox/code/arcanist/src --load-phutil-library=/Users/btrahan/Dropbox/code/phalanx/src --log=/var/tmp/phd/log/daemons.log --
php /Users/btrahan/Dropbox/code/phalanx/scripts/daemon/phd-daemon PhabricatorRepositoryPullLocalDaemon --daemonize --log=/var/tmp/phd/log/daemons.log --phd=/var/tmp/phd/pid
php /Users/btrahan/Dropbox/code/phalanx/scripts/daemon/phd-daemon PhabricatorGarbageCollectorDaemon --daemonize --log=/var/tmp/phd/log/daemons.log --phd=/var/tmp/phd/pid
php /Users/btrahan/Dropbox/code/phalanx/scripts/daemon/phd-daemon PhabricatorTaskmasterDaemon --daemonize --log=/var/tmp/phd/log/daemons.log --phd=/var/tmp/phd/pid
php /Users/btrahan/Dropbox/code/phalanx/scripts/daemon/phd-daemon PhabricatorTaskmasterDaemon --daemonize --log=/var/tmp/phd/log/daemons.log --phd=/var/tmp/phd/pid
php /Users/btrahan/Dropbox/code/phalanx/scripts/daemon/phd-daemon PhabricatorTaskmasterDaemon --daemonize --log=/var/tmp/phd/log/daemons.log --phd=/var/tmp/phd/pid
php /Users/btrahan/Dropbox/code/phalanx/scripts/daemon/phd-daemon PhabricatorTaskmasterDaemon --daemonize --log=/var/tmp/phd/log/daemons.log --phd=/var/tmp/phd/pid

Stop these processes by re-running this command with the --force parameter.
14:09:47 ~/Dropbox/code/phalanx (T2374)
~> sudo ./bin/phd stop --force
Interrupting daemon 'Rogue daemon' (66167)...
Interrupting daemon 'Rogue daemon' (66174)...
Interrupting daemon 'Rogue daemon' (66177)...
Interrupting daemon 'Rogue daemon' (66191)...
Interrupting daemon 'Rogue daemon' (66193)...
Interrupting daemon 'Rogue daemon' (66196)...
Interrupting daemon 'Rogue overseer' (66166)...
Interrupting daemon 'Rogue overseer' (66169)...
Interrupting daemon 'Rogue overseer' (66175)...
Interrupting daemon 'Rogue overseer' (66189)...
Interrupting daemon 'Rogue overseer' (66192)...
Interrupting daemon 'Rogue overseer' (66195)...
Daemon 66167 exited.
Daemon 66174 exited.
Daemon 66177 exited.
Daemon 66191 exited.
Daemon 66193 exited.
Daemon 66196 exited.
Daemon 66166 exited.
Daemon 66169 exited.
Daemon 66175 exited.
Daemon 66189 exited.
Daemon 66192 exited.
Daemon 66195 exited.

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Event Timeline

btrahan retitled this revision from to RFC - make stop / restart savvy to daemons without pid files.
btrahan updated this object.
btrahan edited the test plan for this revision. (Show Details)
btrahan added a reviewer: epriestley.

Oh -- the overseers need to be killed to stop the daemons for good, but findRunningDaemons() might no longer be able to identify them. It looks for exec_daemon.php (libphutil daemon) and launch_daemon.php (libphutil overseer) but not phd-daemon (phabricator overseer) which we've used since D6534. I'd guess that if you tweak findRunningDaemons() to look for phd-daemon too, that'll fix the issue.

src/applications/daemon/management/PhabricatorDaemonManagementWorkflow.php
364–367

It would be nice to print out the matching process here, mabye.

src/infrastructure/daemon/control/PhabricatorDaemonReference.php
53

pht()

epriestley edited edge metadata.
This revision is now accepted and ready to land.Aug 26 2014, 9:07 PM
btrahan retitled this revision from RFC - make stop / restart savvy to daemons without pid files to phd - make stop / restart savvy to daemons without pid files.Aug 26 2014, 9:07 PM
btrahan edited the test plan for this revision. (Show Details)
btrahan edited edge metadata.
btrahan edited the test plan for this revision. (Show Details)
btrahan updated this revision to Diff 24931.

Closed by commit rPd13d6963dde0 (authored by @btrahan).