Class: Hashipack::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/hashipack/client.rb

Instance Method Summary collapse

Instance Method Details

#build(path, on_output: lambda {}, on_progress: lambda {}, estimated_duration: 300, debug: false, machine_readable: true, additional_options: '') ⇒ Object



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# File 'lib/hashipack/client.rb', line 6

def build(path, on_output: lambda {}, on_progress: lambda {}, estimated_duration: 300, debug: false, machine_readable: true, additional_options: '')
  directory, filename = File.split(path)
  debug_option = debug ? '-debug' : ''
  machine_readable_option = machine_readable ? '-machine-readable' : ''
  command = "packer build #{machine_readable_option} #{debug_option} #{additional_options} #{filename}"

  initial_timestamp = 99999999999
  last_timestamp = 0

  artifacts = []

  Open3.popen3(command, chdir: directory) do |stdin, stdout, stderr, wait_thr|
    stdout.each do |line|
      message = Message.parse(line)

      if message.type == :ui
        initial_timestamp = message.timestamp if message.timestamp < initial_timestamp

        if message.timestamp > last_timestamp
          last_timestamp = message.timestamp
          running_duration = message.timestamp - initial_timestamp
          progress = running_duration / estimated_duration.to_f
          on_progress.call(progress)
        end

        on_output.call(message.text)

      elsif message.type == :artifact

        artifacts[message.number] ||= Artifact.new
        artifacts[message.number].append_info(message.key, message.value)

      elsif message.type == :other
        on_output.call(message.text)
      end
    end

    stderr.each do |line|
      puts "Error: #{line}"
    end

    puts "Exit status: #{wait_thr.value}"
  end

  artifacts
end