this script checks the health status of the http server periodically. health report will be write out as csv format: ISO-8601,HTTP_STATUS_CODE,RESPONSE_TIME_MICROSEC USAGE: $ python3 -u http_heartbeat.py | tee ~/hb.log

http_heartbeat.py

#!/usr/bin/python

import pprint,http.client,sys
from datetime import datetime
from time import sleep

if (len(sys.argv) != 2) :
  print ( "Usage: python3 {0} host" .format(sys.argv[0]) )
  quit()

while 1:
  conn = http.client.HTTPConnection( sys.argv[1] )

  start = datetime.now()
  conn.request("GET","/")
  res = conn.getresponse()
  end = datetime.now()

  duration = (end-start).microseconds
  timestamp = start.strftime("%Y-%m-%dT%H:%M:%S")
  if res.status == 200 :
    print (timestamp + "," + str(res.status) + "," + str(duration))
  else :
    print (timestamp + "," + str(res.status) + "," + str(duration))
  conn.close
  sleep(60)