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module Puppet::Util::TroclaHelper
def trocla(trocla_func,has_options,*args)
# Functions called from puppet manifests that look like this:
# lookup("foo", "bar")
# internally in puppet are invoked: func(["foo", "bar"])
#
# where as calling from templates should work like this:
# scope.function_lookup("foo", "bar")
#
# Therefore, declare this function with args '*args' to accept any number
# of arguments and deal with puppet's special calling mechanism now:
if args[0].is_a?(Array)
args = args[0]
end
key = args[0] || raise(Puppet::ParseError, "You need to pass at least a key as an argument!")
format = args[1] || 'plain'
options = args[2] || {}
if options.is_a?(String)
require 'yaml'
options = YAML.load(options)
end
configfile = File.join(File.dirname(Puppet.settings[:config]), "troclarc.yaml")
raise(Puppet::ParseError, "Trocla config file #{configfile} is not readable") unless File.exist?(configfile)
require 'trocla'
has_options ? Trocla.new(configfile).send(trocla_func, key, format, options) : Trocla.new(configfile).send(trocla_func, key, format)
end
module_function :trocla
end
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