Contents

module VagrantMutate
  module Box
    class Box

      attr_reader :name, :dir, :provider_name, :supported_input, :supported_output, :image_format, :image_name

      def initialize(env, name, dir)
        @env = env
        @name = name
        @dir = dir
        @logger = Log4r::Logger.new('vagrant::mutate')
      end

      def virtual_size
        extract_from_qemu_info( /(\d+) bytes/ )
      end

      def verify_format
        format_found = extract_from_qemu_info( /file format: (\w+)/ )
        unless format_found == @image_format
          @env.ui.warn "Expected input image format to be #{@image_format} but "\
            "it is #{format_found}. Attempting conversion anyway."
        end
      end

      def extract_from_qemu_info(expression)
        input_file = File.join( @dir, image_name )
        info = `qemu-img info #{input_file}`
        @logger.debug "qemu-img info output\n#{info}"
        if info =~ expression
          return $1
        else
          raise Errors::QemuInfoFailed
        end
      end

    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
vagrant-mutate-0.3.2	lib/vagrant-mutate/box/box.rb
vagrant-mutate-0.3.1	lib/vagrant-mutate/box/box.rb
vagrant-mutate-0.3.0	lib/vagrant-mutate/box/box.rb
vagrant-mutate-0.2.6	lib/vagrant-mutate/box/box.rb
vagrant-mutate-0.2.5	lib/vagrant-mutate/box/box.rb
vagrant-mutate-0.2.4	lib/vagrant-mutate/box/box.rb
vagrant-mutate-0.2.3	lib/vagrant-mutate/box/box.rb