Method: ConfCtl::MachineControl#reboot_and_wait

Defined in:
lib/confctl/machine_control.rb

#reboot_and_wait(timeout: nil) {|state| ... } ⇒ Integer

Reboot the machine and wait for it to come back online

Parameters:

  • timeout (Integer, nil) (defaults to: nil)

Yield Parameters:

  • state (:reboot, :went_down, :is_down, :is_up, :timeout)

Returns:

  • (Integer) —

    seconds it took to reboot the machine



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# File 'lib/confctl/machine_control.rb', line 43

def reboot_and_wait(timeout: nil)
  initial_uptime = uptime
  t = Time.now
  went_down = false
  reboot
  yield :reboot, timeout if block_given?

  loop do
    state = nil

    begin
      current_uptime = with_ssh_opts(
        '-o', 'ConnectTimeout=3',
        '-o', 'ServerAliveInterval=3',
        '-o', 'ServerAliveCountMax=1'
      ) { uptime }

      if current_uptime < initial_uptime
        yield :is_up, nil
        return Time.now - t
      end
    rescue TTY::Command::ExitError
      if went_down
        state = :is_down
      else
        state = :went_down
        went_down = true
      end
    end

    if timeout
      timeleft = (t + timeout) - Time.now

      raise 'timeout' if timeleft <= 0

      yield state, timeleft if block_given?
    elsif block_given?
      yield state, nil
    end

    sleep(0.3)
  end
end