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#
# ensure_packages.rb
#
require 'puppet/parser/functions'
module Puppet::Parser::Functions
newfunction(:ensure_packages, :type => :statement, :doc => <<-EOS
Takes a list of packages and only installs them if they don't already exist.
EOS
) do |arguments|
raise(Puppet::ParseError, "ensure_packages(): Wrong number of arguments " +
"given (#{arguments.size} for 1)") if arguments.size != 1
raise(Puppet::ParseError, "ensure_packages(): Requires array " +
"given (#{arguments[0].class})") if !arguments[0].kind_of?(Array)
Puppet::Parser::Functions.function(:ensure_resource)
arguments[0].each { |package_name|
function_ensure_resource(['package', package_name, {'ensure' => 'present' } ])
}
end
end
# vim: set ts=2 sw=2 et :
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