kallithea Files · init.d/celeryd-upstart.conf

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mads

celery: introduce make_app instead of creating app at import time

It is dirty to instantiate things at import time (unless it really is basic
singletons).

In 0.5.1 (and earlier), such dirtyness made partial test execution fail when
other things had global side effects and things didn't use the usual import
order:

$ py.test kallithea/lib/
collecting ...
――― kallithea/lib/celerypylons/__init__.py ―――
kallithea/lib/celerypylons/__init__.py:58: in <module>
app.config_from_object(celery_config(tg.config))
kallithea/lib/celerypylons/__init__.py:28: in celery_config
assert config['celery.imports'] == 'kallithea.lib.celerylib.tasks', 'Kallithea Celery configuration has not been loaded'
data/env/lib/python2.7/site-packages/tg/configuration/tgconfig.py:31: in __getitem__
return self.config_proxy.current_conf()[key]
E KeyError: 'celery.imports'

Avoid that by running a "factory" function when the celery app actually is
needed.

# celeryd - run the celeryd daemon as an upstart job for kallithea
# Change variables/paths as necessary and place file /etc/init/celeryd.conf
# start/stop/restart as normal upstart job (ie: $ start celeryd)

description     "Celery for Kallithea Mercurial Server"
author          "Matt Zuba <matt.zuba@goodwillaz.org"

start on starting kallithea
stop on stopped kallithea

respawn

umask 0022

env PIDFILE=/tmp/celeryd.pid
env APPINI=/var/hg/kallithea/production.ini
env HOME=/var/hg
env USER=hg
# To use group (if different from user), you must edit sudoers file and change
# root's entry from (ALL) to (ALL:ALL)
# env GROUP=hg

script
    COMMAND="/var/hg/.virtualenvs/kallithea/bin/kallithea-cli celery-run -c $APPINI -- --pidfile=$PIDFILE"
    if [ -z "$GROUP" ]; then
        exec sudo -u $USER $COMMAND
    else
        exec sudo -u $USER -g $GROUP $COMMAND
    fi
end script

post-stop script
    rm -f $PIDFILE
end script