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# frozen_string_literal: true
#
# load_module_metadata.rb
#
module Puppet::Parser::Functions
newfunction(:load_module_metadata, type: :rvalue, doc: <<-DOC
@summary
This function loads the metadata of a given module.
@example Example Usage:
$metadata = load_module_metadata('archive')
notify { $metadata['author']: }
@return
The modules metadata
DOC
) do |args|
raise(Puppet::ParseError, 'load_module_metadata(): Wrong number of arguments, expects one or two') unless [1, 2].include?(args.size)
mod = args[0]
allow_empty_metadata = args[1]
module_path = function_get_module_path([mod])
metadata_json = File.join(module_path, 'metadata.json')
metadata_exists = File.exist?(metadata_json)
if metadata_exists
metadata = if Puppet::Util::Package.versioncmp(Puppet.version, '8.0.0').negative?
PSON.load(File.read(metadata_json))
else
JSON.parse(File.read(metadata_json))
end
else
metadata = {}
raise(Puppet::ParseError, "load_module_metadata(): No metadata.json file for module #{mod}") unless allow_empty_metadata
end
return metadata
end
end
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