Issue #19697 has been reported by jared jennings.
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Bug #19697: giving an array as the command parameter of exec throws an obscure
error
https://projects.puppetlabs.com/issues/19697
Author: jared jennings
Status: Unreviewed
Priority: Normal
Assignee:
Category:
Target version:
Affected Puppet version: 2.7.18
Keywords:
Branch:
It's probably quite silly to try to give multiple commands to one exec
resource. But giving an array as the value for a parameter frequently works,
and I wasn't paying a lot of attention. When I tried to give an array as the
value of command for an exec resource, it took me a good ten minutes to track
down what had happened, because I got only this error:
err: Got an uncaught exception of type NoMethodError: private method `scan'
called for #<Array:0x7f11f3bebbd8>
Furthermore, the puppet agent said, "Finished catalog run," rather than
failing, and I'm not sure whether it actually finished or not. And my manifest
passed through `puppet parser validate` with no errors.
I think that when I give multiple values for the command parameter of an exec
resource, either it should work or it should cause a parse error.
I found this problem while running Puppet 2.7.18; but a look at the code in the
master branch on Github suggests it may act the same way.
`--trace` revealed that the offending call to the scan method was on line 447
of type/exec.rb, where we're autorequiring files named in the value of the
command parameter (`self[:command].scan(file_regex) ...`); but I expect that if
one were to cause a parse error, it would be by adding a validate block to the
`newparam(:command)`, around line 132 of type/exec.rb.
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