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Accepted
Jakov Sosic
Asked: 2014-09-14 06:34:19 +0800 CST

Use 'commands' ruby puppet function outside of puppet provider

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to allow me to easier debug my providers, I sometimes wanna use 'command' in my own ruby code.

Trying to figure out how is problem.

This is how I use it inside a provider:

commands :wget    => '/usr/bin/wget',
         :cp      => '/bin/cp'

Later, I can run the command with simple:

wget('http://example.com')

Now, I tried doing this:

something = Puppet::Provider.commands({:wget => '/usr/bin/wget'})
something.wget('http://example.com')

but, I get this:

test.rb:15: undefined method `wget' for {:wget=>"/usr/bin/wget"}:Hash (NoMethodError)

I also tried running:

wget = Puppet::Provider::Command.new('wget', '/usr/bin/wget', Puppet::Util, Puppet::Util::Execution)
puts Puppet::Util::Execution.execute(['wget','http://example.com'],{})

but the output is blank...

Any ideas?

puppet

1 Answers

  1. Best Answer

    I don't believe that this can work.

    The commands method relies on another Provider class method which finally uses meta_def to create the method, which is then available inside the Provider class.

    So the functionality is only available to actual subclasses of Puppet::Provider.

    I think that the best shot at making this work would be to pull the whole functionality into a mixin module, which the Provider class would extend. Your own classes can do that as well then. (Not sure if this will really work in Puppet, though.)

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