Module: LaunchSupport

Included in:
DockerRunner
Defined in:
lib/support/launch_support.rb

Instance Method Summary collapse

Instance Method Details

#host ⇒ Object 



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# File 'lib/support/launch_support.rb', line 50

def host
  output = `boot2docker ip`
  if (output.strip.length == 0) || (output.include?("command not found")) || (output.include?("is not running"))
    docker_machine_active = `docker-machine active`
    docker_machine_active = docker_machine_active[0..(docker_machine_active.length - 2)]
    output = `docker-machine url #{docker_machine_active}`
    address = output.split("//")[1].split(":").first
    return address
  else
    return output.strip
  end
end

#is_port_open?(ip, port) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/support/launch_support.rb', line 3

def is_port_open?(ip, port)
  begin
    Timeout::timeout(1) do
      begin
        puts "Connecting to #{ip}: #{port}"
        s = TCPSocket.new(ip, port)
        s.close
        return true
      rescue Errno::ECONNREFUSED, Errno::EHOSTUNREACH
        return false
      end
    end
  rescue Timeout::Error
  end
  return false
end

#wait_for_port(ip, port) ⇒ Object 



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# File 'lib/support/launch_support.rb', line 42

def wait_for_port(ip, port)
  while (!is_port_open?(ip, port))
    puts "Port not ready: #{ip}:#{port}"
    sleep 3
  end
end

#wait_for_short_lived_image_to_complete(image_run_name) ⇒ Object 



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# File 'lib/support/launch_support.rb', line 21

def wait_for_short_lived_image_to_complete(image_run_name)
  done = false
  while (!done)
    #puts "Inspecting image: #{image_run_name}"
    output = `docker inspect #{image_run_name}`
    #puts "Output: #{output}"
    json = JSON.parse(output)
    state = json.first['State']
    is_running = state['Running']
    exit_code =  state['ExitCode']
    puts "Waiting for short-lived container to complete: \"#{image_run_name}\""
    if (exit_code == 0) && (is_running == false)
      done = true
    elsif (exit_code != 0)
      raise "Container failed: #{image_run_name}  - Run: docker logs -f #{image_run_name}"
    else
      sleep 3
    end
  end
end