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website: document isotime and clean_ami_name

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Mark Peek
2013-09-07 18:50:01 -07:00
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website/source/docs/templates/configuration-templates.html.markdown
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@@ -53,4 +53,13 @@ While some configuration settings have local variables specific to only that
configuration, a set of functions are available globally for use in _any string_
in Packer templates. These are listed below for reference.
* ``isotime`` - UTC time in RFC-3339 format.
* ``timestamp`` - The current Unix timestamp in UTC.
## Amazon Specific Functions
Specific to Amazon builders:
* ``clean_ami_name`` - AMI names can only contain certain characters. This
function will replace illegal characters with a '-" character. Example usage
since ":" is not a legal AMI name is: `{{isotime | clean_ami_name}}`.