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Viewing changes to lib/puppet/parser/functions/concat_getparam.rb

  • Committer: Package Import Robot
  • Author(s): Stig Sandbeck Mathisen
  • Date: 2014-10-24 22:11:25 UTC
  • mfrom: (1.1.1)
  • Revision ID: package-import@ubuntu.com-20141024221125-rqg7i2eo53afnz8d
Tags: 1.1.1-1
* Imported upstream relase 1.1.1
* Declare compliance with Debian policy 3.9.6
* Update debian/control metadata with cme (Vcs-*)
* Update dependencies
* Update file lists

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lib/puppet/parser/functions/concat_getparam.rb
 
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# Test whether a given class or definition is defined
 
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require 'puppet/parser/functions'
 
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Puppet::Parser::Functions.newfunction(:concat_getparam,
 
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                                      :type => :rvalue,
 
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                                      :doc => <<-'ENDOFDOC'
 
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Takes a resource reference and name of the parameter and
 
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returns value of resource's parameter.
 
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*Examples:*
 
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    define example_resource($param) {
 
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    }
 
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    example_resource { "example_resource_instance":
 
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        param => "param_value"
 
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    }
 
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    concat_getparam(Example_resource["example_resource_instance"], "param")
 
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Would return: param_value
 
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ENDOFDOC
 
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) do |vals|
 
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  reference, param = vals
 
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  raise(ArgumentError, 'Must specify a reference') unless reference
 
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  raise(ArgumentError, 'Must specify name of a parameter') unless param and param.instance_of? String
 
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  return '' if param.empty?
 
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  if resource = findresource(reference.to_s)
 
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    return resource[param] if resource[param]
 
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  end
 
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  return ''
 
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end