Issue #4920 has been updated by R.I. Pienaar aka Volcane.
This comes up often, 'i want to create a file with a template but want to be
able to specify a specific source for certain clients' ie.
<em>["puppet:///foo/foo.${fqdn}", template("foo/foo")]</em>
Templates are fine and all, but sometimes you just need to do something
entirely different on a specific machine and playing the whole inheritance game
for a simple one off is just too much effort. This feature request would make
that kind of thing much easier. Combined with the fact that template() doesnt
do source selection like source does it really is pretty hard to do
I also don't think this is such a massive hurdle as people think, you could
send the template content out in the catelog - as you would need to with
compile time validation etc - but if there's a potential override source
specified attempt to fetch it, if it 404s put the template content down else
use the file.
----------------------------------------
Feature #4920: Treat file sources as templates
http://projects.puppetlabs.com/issues/4920
Author: martin krafft
Status: Unreviewed
Priority: Normal
Assignee:
Category: file
Target version:
Affected version:
Keywords:
Branch:
Under certain circumstances, file sources should be evaluated by ERB.
I imagine three possible syntax for that:
1. A parameter:
<pre>
file { "/tmp/file":
source => ["puppet:///$fqdn", "puppet:///somedefault"],
erbeval => true
}
</pre>
2. A prefix:
<pre>
file { "/tmp/file":
source => ["puppet:///$fqdn", "erb:puppet:///somedefault"],
}
</pre>
3. Using the file extension:
<pre>
file { "/tmp/file":
source => ["puppet:///$fqdn", "puppet:///somedefault.erb"],
}
</pre>
In general, I would like to see the difference between files and templates
vanish. However, since ERB is dreadfully slow, that might not be desired.
Hence I would suggest a combination of (1.) and (2.) (stupid redmine syntax
parsing idiocy): erbeval defaults to false, in which case only the sources
prefixed with "erb:" are evaluated. If erbeval is true, all sources are
evaluated (and the prefix ignored). If wanted, a "noerb:" could also be
introduced.
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