hmc/puppet/modules/hdp2/lib/puppet/parser/functions/hdp_user.rb

#
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
module Puppet::Parser::Functions
  newfunction(:hdp_user, :type => :rvalue) do |args|
    args = [args].flatten
    user = args[0]
    val = lookupvar("::hdp2::params::#{user}")
    (val.nil? or val == :undefined) ? "" : val 
  end
end