Issue #20731 has been reported by James Shubin.
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Bug #20731: Exported resources transform an array of length 1 into a string
https://projects.puppetlabs.com/issues/20731
* Author: James Shubin
* Status: Unreviewed
* Priority: High
* Assignee:
* Category:
* Target version:
* Affected Puppet version:
* Keywords:
* Branch:
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<pre>
This is very weird puppet!
* If I specify either of the single element (thing1, thing2) arrays, then, on
the collecting side, i see a single "string".
* If I specify an array of 2 or more elements (thing3) it works fine.
<code>
$thing = '192.168.123.6'
@@foo::bar::export { 'somename':
#servers => [$thing], # thing1 fails!
#servers => ["${thing}"], # thing2 fails!
servers => ["this", 'is', 'abug'], # thing3 works!
tag => 'dhcp',
}
</code>
* I noticed the problem because on my destination I saw:
<code>
Error: Could not retrieve catalog from remote server: Error 400 on SERVER:
Failed to parse template foo/blah.erb:
Filepath: [snip]/blah.erb
Line: 10
Detail: undefined method `join' for "192.168.123.6":String
at whatever.pp:324 on node node.example.com
Warning: Not using cache on failed catalog
Error: Could not retrieve catalog; skipping run
</code>
The template contains:
<code>
<%= servers.join(' ') %>
</code>
And the ::export function contains:
<code>
define foo::bar::export(
$servers = [],
) {
# helper function to make it easy to use class as an exported resource!
class { '::something::else':
servers => $servers,
}
}
</code>
and the class contains:
<code>
file { '/tmp/whatever':
content => template('foox/blah.erb'),
}
</code>
Some names were changed to protect the innocent! Sorry if there's a little
inconsistency, but it should be pretty obvious to see what's going on.
I'm using the yum.puppetlabs... latest puppet3.
Hrm, cheers!
</pre>
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