Generate Puppetfile from metadata.json

modules_to_puppetfile.sh

#!/bin/bash
#
# List all the Puppet modules in an environment and generates the Puppetfile rows
# using the "metadata.json".

ENVIRONMENT=${1:-production}
MODULES="/etc/puppetlabs/code/environments/$ENVIRONMENT/modules"
RUBY_BIN=/opt/puppetlabs/puppet/bin/ruby

for metadata in $(ls $MODULES/*/metadata.json); do
  cat $metadata | $RUBY_BIN -r json -e "
    begin
      j = JSON.parse(ARGF.read, symbolize_names: true)
      puts \"mod '#{j[:name]}', '#{j[:version]}'\"
      puts \"# dependencies for #{j[:name]}\"
      j[:dependencies].each do |dep|
        puts \"# mod '#{dep[:name]}', '#{dep[:version_requirement]}'\"
      end
      puts \"\"
    rescue
      nil
    end"
done