A small worker that records respond times to elasticsearch. This can be adapted to store the response time data anywhere.

checks.py

# Assuming there's some list of urls to check in the form of:
'''
{ "url:"example.com",
  "check_type": "https",
  "path": "/"
}
'''

# Setup ES
es = Elasticsearch(config['ES_HOST'])
es_index = "{0}-{1}".format(config['ES_INDEX'],
                            datetime.date.today().strftime("%Y.%m.%d"))


for s in sites:
    print s['value']['url']

    r = requests.get("{0}://{1}{2}".format(s['value']['check_type'],
                                           s['value']['url'],
                                           s['value']['path']), verify=False)

    # To Elasticsearch

    check_time = datetime.datetime.utcnow()
    e_check = {"url": s['value']['url'],
               "path": s['value']['path'],
               "owner_id": s['value']['owner_id'],
               "check_type": s['value']['check_type'],
               "port": s['value']['port']}

    e_check['response_time'] = r.elapsed.microseconds
    print "Elapsed Time: {0} ms".format(r.elapsed.microseconds/1000.0)
    e_check['@timestamp'] = check_time.isoformat()
    if s['value']['check_type'] in ['https', 'http']:
        if r.status_code in [200, 301]:
            e_check['response_value'] = 0
        else:
            e_check['response_value'] = 1

    es.index(index=es_index, doc_type='check', body=e_check)