Method: Cnvrg::Project#spot_will_terminate

Defined in:
lib/cnvrg/project.rb

#spot_will_terminate ⇒ Object 



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# File 'lib/cnvrg/project.rb', line 747

def spot_will_terminate
  restart = false
  config = self.get_config
  # logic that will prevent multiple restart calls
  if config[:spot_taken]
    return false
  end
  begin
    url = URI.parse('http://169.254.169.254/latest/meta-data/spot/termination-time')
    req = Net::HTTP::Get.new(url.to_s)
    res = Net::HTTP.start(url.host, url.port) {|http|
      http.request(req)
    }
    unless res.body.include? "404"
      restart = true
    end
    if res.body.include? "Empty reply from server"
      restart = false
    end
  rescue
    restart = false
  end

  if restart
    config[:spot_taken] = true
    self.set_config(config)
  end

  return restart
end