source: other-projects/hathitrust/vagrant-hadoop-cluster/trunk/modules/stdlib/lib/puppet/parser/functions/time.rb@ 30903

#
# time.rb
#

module Puppet::Parser::Functions
  newfunction(:time, :type => :rvalue, :doc => <<-EOS
This function will return the current time since epoch as an integer.

*Examples:*

    time()

Will return something like: 1311972653
    EOS
  ) do |arguments|

    # The Time Zone argument is optional ...
    time_zone = arguments[0] if arguments[0]

    if (arguments.size != 0) and (arguments.size != 1) then
      raise(Puppet::ParseError, "time(): Wrong number of arguments "+
        "given #{arguments.size} for 0 or 1")
    end

    time = Time.new

    # There is probably a better way to handle Time Zone ...
    if time_zone and not time_zone.empty?
      original_zone = ENV['TZ']

      local_time = time.clone
      local_time = local_time.utc

      ENV['TZ'] = time_zone

      result = local_time.localtime.strftime('%s')

      ENV['TZ'] = original_zone
    else
      result = time.localtime.strftime('%s')
    end

    # Calling Time#to_i on a receiver changes it.  Trust me I am the Doctor.
    result = result.to_i

    return result
  end
end

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