Method: Aruba::Processes::SpawnProcess#start

Defined in:
lib/aruba/processes/spawn_process.rb

#start {|SpawnProcess| ... } ⇒ Object

Run the command

Yields:



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# File 'lib/aruba/processes/spawn_process.rb', line 144

def start
  if started?
    error_message =
      "Command \"#{commandline}\" has already been started." \
      " Please `#stop` the command first and `#start` it again." \
      " Alternatively use `#restart`."
    raise CommandAlreadyStartedError, error_message
  end

  @started = true

  @process = ProcessRunner.new(command_string.to_a)

  @stdout_file = Tempfile.new("aruba-stdout-")
  @stderr_file = Tempfile.new("aruba-stderr-")

  @stdout_file.sync = true
  @stderr_file.sync = true

  @stdout_file.set_encoding("ASCII-8BIT")
  @stderr_file.set_encoding("ASCII-8BIT")

  @exit_status = nil

  before_run

  @process.stdout = @stdout_file
  @process.stderr = @stderr_file
  @process.cwd    = @working_directory

  @process.environment = environment

  begin
    @process.start
    sleep startup_wait_time
  rescue SystemCallError => e
    raise LaunchError, "It tried to start #{commandline}. " + e.message
  end

  after_run

  yield self if block_given?
end