Products.cron4plone 1.1.11

1. Configure the ticker in the buildout (or zope.conf)

buildout.cfg:

[instance]
...
eggs =
    Products.cron4plone

zope-conf-additional =
  <clock-server>
      method /<your-plone-site>/@@cron-tick
      period 60
      user admin
      password admin_password
  </clock-server>

The user and password variables can be omitted, but are required if you want to call a view that requires special permissions, for example when trying to create content.

[instance]
...
eggs =
    Products.cron4plone
    unimr.memcachedlock

zope-conf-additional =
  <environment>
      MEMCACHEDLOCK_SERVERS <ip/hostname of host1>:<port>,<ip/hostname of host2>:<port>
  </environment>

parts +=
    memcached
    memcached-ctl
    supervisor

[memcached]
recipe = zc.recipe.cmmi
url = http://memcached.googlecode.com/files/memcached-1.4.0.tar.gz
extra_options = --with-libevent=${libevent:location}

[memcached-ctl]
recipe = ore.recipe.fs:mkfile
path = ${buildout:bin-directory}/memcached
mode = 0755
content =
 #!/bin/sh
 PIDFILE=${memcached:location}/memcached.pid
    case "$1" in
      start)
       ${memcached:location}/bin/memcached -d -P $PIDFILE
        ;;
      stop)
        kill `cat $PIDFILE`
        ;;
      restart|force-reload)
        $0 stop
        sleep 1
        $0 start
        ;;
      *)
        echo "Usage: $SCRIPTNAME {start|stop|restart}" >&2
        exit 1
        ;;
    esac

[libevent]
recipe = zc.recipe.cmmi
url = http://www.monkey.org/~provos/libevent-1.3b.tar.gz

10 memcached ${buildout:directory}/parts/memcached/bin/memcached

2. Configure the scheduled tasks

In the Plone site setup, go to the cron4plone configuration. This form can be used to enter cron-like jobs.

The cron job should have 5 elements: minute, hour, day_of_month, month and command expression. For command, a TAL expression can be used (including ‘python: ‘). The variable portal is the Plone site root.

Examples:

* 11 * * portal/@@run_me
15,30 * * * python: portal.my_tool.runThis()

3. Wait and see

In the ZMI, go to the CronTool. If a cronjob has run the history is shown.

1.1.11 (2014-10-19)

• Added z3c-slug and made sure that the CMF.Core permisssions are loaded in the zcml. Also added a gitignore. [benniboy]

1.1.10 (2012-10-08)

• Make configlet work on context that implements IPloneSiteRoot [huub_bouma]

1.1.9 (2011-05-19)

• Add MANIFEST.in to include docs in release. [WouterVH]

• fixed bug in the isPending method: default parameter has to be inside the method or it will have the same value as when the instance was started so tasks will not be rerun as expected [svincic]

1.1.8 (2011-03-30)

• Fix issue with string formatting for date in crontab utils by casting expected values to integers at first use. [davidjb]

1.1.7 (2011-03-25)

• Convert all DateTime calls to use UTC. This fixes a bug when switching to daylight saving time. (thanks for bug report + fix to Michael Lindig)

• Fix comparison bug in comma-separated cron syntax by first casting to an integer. (thanks for bug report + fix to David Breitkreutz)

1.1.6 (2010-10-19)

• No longer support for the extened cron syntax with the /N and N-M formats This didn’t work as intended. The logic in the cron_utils is flawed i.c.w that syntax. That old code has been moved to a enumeration-support branch.

1.1.5rc1 (2010-07-30)

• Add locales-directories [WouterVH]

• Code-cleanup with pyflakes [WouterVH]

• Removed tests.py-module, since we already have a tests-directory [WouterVH]

• Removed setup.cfg to have full control over name of released egg. [WouterVH, khink]

• Extended and re-formatted documentation [khink]

1.1.4

• Patch by Derek Broughton which extends the cron syntax so that you can now also use /N and N-M formats

1.1.3

• The egg with version 1.1.2 on egg servers (pypi plone.org) is corrupt.

• Fixed README, contained invalid rst

1.1.2

• Fixed bug, missing ‘ConflictError’ import

1.1.1

• share locks with memcached

1.0

• Initial release