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'''Templating'''

CMT utilizes DJango's Templating engine to process templates.

= load =

For Cluster Management purposes, a few extra tags have been added. These extra tags can be used and loaded for your template with the tag:
 * {{{ {% load cmt_client %} }}}

= stringfilters =

Stringfilters are functions that can pipe or translate a value into a different one.

== base_net ==

{{{
    """
        Converts a IP (range) to it's first 3 octects

        Usage:
            {{{ <variable>|base_net }}}

        I.e.:
            {% assign broadcast = '192.168.1.0' %}
            {{{ broastcast|base_net }}}
        Results in output:
            192.168.1
    """
}}}


== ip_last_digit ==

{{{
    """
        Converts a IP (range) to it's last octect

        Usage:
            {{{ <variable>|ip_last_digit }}}

        I.e.:
            {% assign myip = '192.168.1.123' %}
            {{{ myip|ip_last_digit }}}
        Results in output:
            123
    """
}}}

== arpanize ==

{{{
    """
        Converts a IP (range) to reversed DNS style arpa notation

        Usage:
            {{{ <variable>|arpanize }}}

        I.e.:
            {% assign broadcast = '192.168.1.0' %}
            {{{ broastcast|arpanize }}}
        Results in output:
            1.168.192.in-addr.arpa
    """
}}}

= functions =

== getracks ==
{{{
    """
        Get list of racks in a cluster

        Usage: {% getracks <cluster> as <listname> %}
    """
}}}


== assign ==

{{{
    """
        Variable assignment within template

        Usage: {% assign newvar = <space seperated list of strings/vars> %}
         i.e.: {% assign file_name = '/var/tmp/rack-' rack.label '.txt' %}
    """
}}}


== getbasenets ==

{{{
    """
        Get list of basenets in a network (name)

        Usage: {% getbasenets <network name> as <listname> %}
    """
}}}

== use ==

{{{
    """
        Compilation function to definine Querysets for later use.

        Usage: {% use <entity> with <attribute>=<value> as <list/var> <key> %}
    """
}}}

= sections =

== epilogue ==

Command's to be executed after (epi) the template processing is completed. 

This can be useful to restart a daemon, for example.

== noblanklines ==

Prevents any blanklines occuring in the resulting output (file).

== store ==

'''Section start''':
 * {{{ {% store <filename> %} }}}

  * {{{ <filename> }}} can be:
    * variable
    * 'Quoted string'

'''Section end''':

 * {{{ {% endstore %} }}}

'''Example's''':

 * 
{{{
{% store '/path/to/file' %}
{{{ host.label }}}
{% endstore %}
}}}
 * 
{{{
{% store variable %} 
{{{ host.label }}}
{% endstore %}
}}}