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require 'puppet/rails'
# function :
# get_param_values($name, $type, $param_name)
# -> return the value corresponding to $param_name for the $name object of type $type
module Puppet::Parser::Functions
newfunction(:get_param_values, :type => :rvalue) do |args|
resource_name = args[0]
exported_type = args[1]
param_name = args[2]
Puppet::Rails.connect()
# TODO use find_each
# TODO fail more gracefully when nothing match
# using a default value, maybe ?
return Puppet::Rails::ParamValue.find(:first,
:joins => [ :resource, :param_name ],
:conditions => { :param_names => {:name => param_name },
:resources => { :exported => true,
:restype => exported_type,
:title => resource_name,
} }
).value
end
end
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