puppetlabs-stdlib/lib/puppet/parser/functions/load_module_metadata.rb
Spencer Krum f411ee7119 Add load_metadata_json function
This function loads the metadata.json into a puppet variable. This enables a number of neat things such as:

* Which version of the module am I using? 2.x? 3.x?
* Which author of the module am I using? puppetlabs? example42?
2015-07-30 15:51:54 -07:00

16 lines
585 B
Ruby

module Puppet::Parser::Functions
newfunction(:load_module_metadata, :type => :rvalue, :doc => <<-EOT
EOT
) do |args|
raise(Puppet::ParseError, "load_module_metadata(): Wrong number of arguments, expects one") unless args.size == 1
mod = args[0]
module_path = function_get_module_path([mod])
metadata_json = File.join(module_path, 'metadata.json')
raise(Puppet::ParseError, "load_module_metadata(): No metadata.json file for module #{mod}") unless File.exists?(metadata_json)
metadata = PSON.load(File.read(metadata_json))
return metadata
end
end