Source code for fabtools.cron

Cron tasks

This module provides tools to manage periodic tasks using cron.

from __future__ import with_statement

from tempfile import NamedTemporaryFile

from fabtools.files import upload_template

[docs]def add_task(name, timespec, user, command): """ Add a cron task. The *command* will be run as *user* periodically. You can use any valid `crontab(5)`_ *timespec*, including the ``@hourly``, ``@daily``, ``@weekly``, ``@monthly`` and ``@yearly`` shortcuts. Examples:: from fabtools.cron import add_task # Run every month add_task('cleanup', '@monthly', 'alice', '/home/alice/bin/') # Run every tuesday and friday at 5:30am add_task('reindex', '30 5 * * 2,4', 'bob', '/home/bob/bin/') .. _crontab(5): """ with NamedTemporaryFile() as script: script.write('%(timespec)s %(user)s %(command)s\n' % locals()) script.flush() upload_template('/etc/cron.d/%(name)s' % locals(),, context={}, chown=True, use_sudo=True)
[docs]def add_daily(name, user, command): """ Shortcut to add a daily cron task. Example:: import fabtools # Run every day fabtools.cron.add_daily('backup', 'root', '/usr/local/bin/') """ add_task(name, '@daily', user, command)

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