Module: RubyScriptExporter::Observers::Http

Included in:
Runner
Defined in:
lib/ruby_script_exporter/observers/http.rb

Instance Method Summary collapse

Instance Method Details

#observe_http(url, method: :get, expected_response_code: 200, expected_body: nil, timeout: 0.9) ⇒ Object 



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# File 'lib/ruby_script_exporter/observers/http.rb', line 9

def observe_http(url, method: :get, expected_response_code: 200, expected_body: nil, timeout: 0.9)
  start_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  response = HTTP.timeout(timeout).public_send(method, url)
  end_time = Process.clock_gettime(Process::CLOCK_MONOTONIC)

  observe :http_response_time, end_time - start_time

  if expected_response_code && expected_response_code != response.code
    observe :http_status, 6
    return
  end

  if expected_body && !response.body.to_s.match?(expected_body)
    observe :http_status, 7
    return
  end

  observe :http_status, 0
rescue HTTP::ConnectionError => e
  case e.message
  when /Name or service not known/
    observe :http_status, 3 # Name not resolved
  when /Connection refused/
    observe :http_status, 1 # Connection refused
  else
    observe :http_status, 4 # Unknown connection error
  end
rescue HTTP::ConnectTimeoutError, HTTP::TimeoutError => e
  observe :http_status, 2 # Connection timeout
rescue OpenSSL::SSL::SSLError
  observe :http_status, 5 # Certificate invalid
end