Thorfile

# vi: ft=ruby

require "thor"
require "fileutils"
require "timeout"

class Packer < Thor

  desc "validate", "Validate all the packer templates"
  def validate
    Dir.chdir "./packer" do
      templates = Dir.glob("*.json")
      templates.each do |template|
        puts "#{template}"
        unless system "packer validate #{template}"
          raise "Validation failed!"
        end
        puts "\n"
      end
    end
  end

  desc "clean", "Description goes here"
  def clean(what)
    if what == "cache"
      FileUtils.rm_rf(Dir.glob("./packer/packer_cache/*"))
    elsif what == "boxes"
      FileUtils.rm_rf(Dir.glob("./packer/*.box"))
    end
  end

  desc "build", "Execute the packer builder"
  option :os, :banner => "<os>", :default => "*"
  option :ver, :banner => "<version>", :default => "*"
  option :bits, :banner => "<bits>"
  option :only, :banner => "<only>"

  def build
    if options[:bits]
      processor = options[:bits] == "64" ? "{amd64,x86_64}" : "i386"
    else
      processor = "*"
    end

    templates = Dir.glob("#{options[:os]}-#{options[:ver]}-#{processor}.json")

    if options[:only]
      templates.each do |template|
        name = template.chomp(".json").split("-")
        system "packer build -only=#{name[0]}-#{name[1]}-#{name[2]}-#{options[:only]} #{template}"
      end
    else
      templates.each do |template|
        system "packer build #{template}"
      end
    end
  end

end