+++ /dev/null
-module Puppet::Parser::Functions
- newfunction(:generate_password, :type => :rvalue, :doc => <<-EOS
-Returns a semi-random string based on a seed and a value. Will always generate the same value with the same entry.
-Prototype:
- generate_password(length, seed_file, password_key)
-EOS
-) do |*arguments|
- arguments = arguments.shift if arguments.first.is_a?(Array)
-
- raise Puppet::ParseError, "generate_password(): Wrong number of arguments " +
- "given (#{arguments.size} for 3)" if arguments.size != 3
-
- size = arguments.shift
- seed_file = arguments.shift
- password_key = arguments.shift
-
- unless size.class.ancestors.include?(Numeric) or size.is_a?(String)
- raise Puppet::ParseError, 'generate_password(): Requires a numeric first argument'
- end
-
- size = size.to_i
-
- set = ('a' .. 'z').to_a + ('A' .. 'Z').to_a + ('0' .. '9').to_a
-
- key = "#{File.open(seed_file).read}:#{password_key}"
-
- size.times.collect do |i|
- set[OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), key, i.to_s).to_i(16) % set.size]
- end.join
-end
-end