OUTPUT_DIR = "/run/dsa-mirror-health-{}".format(os.environ['MIRROR_CHECK_SERVICE'])
HEALTH_FILE = os.path.join(OUTPUT_DIR, "health")
URL = os.environ['MIRROR_CHECK_URL']
+HEALTH_CHECK_URL = os.environ['MIRROR_CHECK_HEALTH_URL']
INTERVAL = int(os.environ.get('MIRROR_CHECK_INTERVAL', '60'))
-latest_ts = 0
-
def retrieve_from_host(host, url):
proxies = {
'http': 'http://{}:80'.format(host),
'https': 'http://{}:443'.format(host),
}
- return requests.get(url, timeout=5, proxies=proxies, allow_redirects=False)
+ headers = {'User-Agent': 'mirror-health'}
+ return requests.get(url, headers=headers, timeout=5, proxies=proxies, allow_redirects=False)
def last_modified(response):
lm = 0
lm = calendar.timegm(parsedate(response.headers['last-modified']))
return lm
+def healthy(response):
+ if response.status_code == 200:
+ return True
+ return False
+
def check_shutdown():
if subprocess.call(['dsa-is-shutdown-scheduled']) == 0:
logging.info("considering myself unhealthy, shutdown scheduled")
return True
def check_uptodate():
- global latest_ts
+ latest_ts = 0
for host in HOSTS:
try:
lm = last_modified(retrieve_from_host(host, URL))
logging.debug("lm for host %s: %s", host, lm)
- latest_ts = max(latest_ts, lm)
- except (requests.exceptions.ProxyError, requests.exceptions.ReadTimeout):
+ if healthy(retrieve_from_host(host, HEALTH_CHECK_URL)):
+ latest_ts = max(latest_ts, lm)
+ except (requests.exceptions.ProxyError, requests.exceptions.ReadTimeout, requests.exceptions.ConnectTimeout, requests.exceptions.ConnectionError):
pass
- local_lm = last_modified(retrieve_from_host('localhost', URL))
+ try:
+ local_lm = last_modified(retrieve_from_host('localhost', URL))
+ except (requests.exceptions.ProxyError, requests.exceptions.ReadTimeout, requests.exceptions.ConnectTimeout, requests.exceptions.ConnectionError):
+ return False
logging.debug("lm for localhost: %s", local_lm)
if local_lm < latest_ts:
logging.info("considering myself unhealthy my ts=%s latest_ts=%s", local_lm, latest_ts)