<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>Writing crontab with Cheetah — Bcfg2 1.3.0 documentation</title> <link rel="stylesheet" href="../../../../../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../../../../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../../../../', VERSION: '1.3.0', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../../../../../_static/jquery.js"></script> <script type="text/javascript" src="../../../../../_static/underscore.js"></script> <script type="text/javascript" src="../../../../../_static/doctools.js"></script> <script type="text/javascript" src="../../../../../_static/sidebar.js"></script> <link rel="shortcut icon" href="../../../../../_static/favicon.ico"/> <link rel="top" title="Bcfg2 1.3.0 documentation" href="../../../../../index.html" /> <link rel="up" title="Cfg" href="../../cfg.html" /> <link rel="next" title="Basic Cheetah Templates" href="simple.html" /> <link rel="prev" title="test" href="../genshi/test.html" /> <link rel="stylesheet" href="../../../../../_static/bcfg2.css" type=""/> </head> <body> <div style="text-align: left; padding: 10px 10px 15px 15px"> <a href="../../../../../index.html"><img src="../../../../../_static/bcfg2_logo.png" border="0" alt="sampledoc"/></a> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../../../../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../../../../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="simple.html" title="Basic Cheetah Templates" accesskey="N">next</a> |</li> <li class="right" > <a href="../genshi/test.html" title="test" accesskey="P">previous</a> |</li> <li><a href="../../../../../index.html">home</a> | </li> <!--<li><a href="../../../../../search.html">search</a> | </li>--> <li><a href="../../../../../help/index.html">help</a> | </li> <li><a href="../../../../../contents.html">documentation </a> »</li> <li><a href="../../../../../contents.html" >Bcfg2 documentation 1.3.0</a> »</li> <li><a href="../../../../index.html" >The Bcfg2 Server</a> »</li> <li><a href="../../../index.html" >Plugins</a> »</li> <li><a href="../../cfg.html" accesskey="U">Cfg</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="writing-crontab-with-cheetah"> <h1>Writing crontab with Cheetah<a class="headerlink" href="#writing-crontab-with-cheetah" title="Permalink to this headline">ΒΆ</a></h1> <p>This example randomizes the time of cron.daily execution with a stable result. Cron.daily is run at a consistent, randomized time between midnight and 7am.:</p> <div class="highlight-python"><pre>#import random #silent random.seed($self.metadata.hostname) # /etc/crontab: system-wide crontab # Unlike any other crontab you don't have to run the `crontab` # command to install the new version when you edit this file. # This file also has a username field, that none of the other crontabs do. SHELL=/bin/sh PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin://bin # m h dom mon dow user command 17 * * * * root run-parts --report /etc/cron.hourly $random.randrange(0,59) $random.randrange(0,6) * * * root test -x /usr/sbin/anacron || run-parts --report /etc/cron.daily 47 6 * * 7 root test -x /usr/sbin/anacron || run-parts --report /etc/cron.weekly 52 6 1 * * root test -x /usr/sbin/anacron || run-parts --report /etc/cron.monthly.</pre> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="../genshi/test.html" title="previous chapter">test</a></p> <h4>Next topic</h4> <p class="topless"><a href="simple.html" title="next chapter">Basic Cheetah Templates</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../../../../../_sources/server/plugins/generators/examples/cheetah/crontab.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../../../../../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../../../../../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../../../../../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="simple.html" title="Basic Cheetah Templates" >next</a> |</li> <li class="right" > <a href="../genshi/test.html" title="test" >previous</a> |</li> <li><a href="../../../../../index.html">home</a> | </li> <!--<li><a href="../../../../../search.html">search</a> | </li>--> <li><a href="../../../../../help/index.html">help</a> | </li> <li><a href="../../../../../contents.html">documentation </a> »</li> <li><a href="../../../../../contents.html" >Bcfg2 documentation 1.3.0</a> »</li> <li><a href="../../../../index.html" >The Bcfg2 Server</a> »</li> <li><a href="../../../index.html" >Plugins</a> »</li> <li><a href="../../cfg.html" >Cfg</a> »</li> </ul> </div> <div class="footer"> © Copyright 2009-2013, Narayan Desai. 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