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Viewing changes to charms/precise/rabbitmq-worker/hooks/hooks.py

  • Committer: Ubuntu CI Bot
  • Author(s): Andy Doan
  • Date: 2014-07-16 15:08:10 UTC
  • mfrom: (674.2.2 rabbit-cron)
  • Revision ID: ubuntu_ci_bot-20140716150810-m8nzxh7zh3nliik8
[r=PS Jenkins bot, Francis Ginther] rabbit charm: add ability to support cron commands

Copying from the wsgi-app charm and including a small fix I found
with regards to buggy logic in removing an old symlink

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Lines of Context:
charms/precise/rabbitmq-worker/hooks/hooks.py
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        subprocess.check_call(['/sbin/start', _service_name()])
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def _update_cron_config():
 
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    periods = ('hourly', 'daily', 'weekly')
 
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    service = charmhelpers.core.hookenv.service_name()
 
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    config = charmhelpers.core.hookenv.config()
 
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    if config['cron_period'] not in periods:
 
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        raise ValueError('Invalid cron_peroid: %s' % config['cron_period'])
 
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    for period in periods:
 
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        p = '/etc/cron.%s/%s' % (period, service)
 
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        if os.path.exists(p) or os.path.lexists(p):
 
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            juju_info('removing old cron config: %s' % p)
 
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            os.unlink(p)
 
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    cmd = config['cron_cmd']
 
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    if cmd:
 
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        cmd = os.path.abspath(os.path.join(_code_dir(), cmd))
 
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        juju_info('installing cron job for: %s' % cmd)
 
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        os.symlink(cmd, '/etc/cron.%s/%s' % (config['cron_period'], service))
 
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@hooks.hook()
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def config_changed():
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    charmhelpers.core.host.mkdir(_code_dir(''))
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    _create_unit_config()
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    _create_upstart()
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    todelete = handle_code()
 
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    _update_cron_config()
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    _restart_upstart()
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