Issue #14666 has been reported by Dominik Zyla.
----------------------------------------
Bug #14666: puppet puts 'undefined' string in place of empty variables used in
templates.
https://projects.puppetlabs.com/issues/14666
Author: Dominik Zyla
Status: Unreviewed
Priority: Normal
Assignee:
Category: templates
Target version: 2.7.x
Affected Puppet version: 2.7.14
Keywords: templates undefined empty variable empty string
Branch:
As in topic. Here is POC:
<pre>
[11:10] admin0:~/puppet/devel # cat poc.pp
file{"/tmp/undefined_issue.poc":
ensure => present,
content =>inline_template('<% if scope.lookupvar("mysql_server_id") != ""
%>server-id = <%= scope.lookupvar("mysql_server_id") %><% end %>')
}
[11:10] admin0:~/puppet/devel # puppet apply poc.pp
notice: /Stage[main]//File[/tmp/undefined_issue.poc]/ensure: created
notice: Finished catalog run in 0.40 seconds
[11:10] admin0:~/puppet/devel # cat /tmp/undefined_issue.poc
server-id = undefined#
[11:10] admin0:~/puppet/devel #
</pre>
I think empty string should be returned or an exception raised.
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