5 module Puppet::Parser::Functions
6 newfunction(:ensure_packages, :type => :statement, :doc => <<-EOS
7 Takes a list of packages and only installs them if they don't already exist.
8 It optionally takes a hash as a second parameter that will be passed as the
9 third argument to the ensure_resource() function.
13 if arguments.size > 2 or arguments.size == 0
14 raise(Puppet::ParseError, "ensure_packages(): Wrong number of arguments " +
15 "given (#{arguments.size} for 1 or 2)")
16 elsif arguments.size == 2 and !arguments[1].is_a?(Hash)
17 raise(Puppet::ParseError, 'ensure_packages(): Requires second argument to be a Hash')
20 packages = Array(arguments[0])
23 defaults = { 'ensure' => 'present' }.merge(arguments[1])
25 defaults = { 'ensure' => 'present' }
28 Puppet::Parser::Functions.function(:ensure_resource)
29 packages.each { |package_name|
30 function_ensure_resource(['package', package_name, defaults ])
35 # vim: set ts=2 sw=2 et :