import time
import calendar
import logging
+import subprocess
from email.utils import parsedate
logging.basicConfig(level=logging.INFO)
lm = calendar.timegm(parsedate(response.headers['last-modified']))
return lm
+def check_shutdown():
+ if subprocess.call(['dsa-is-shutdown-scheduled']) == 0:
+ logging.info("considering myself unhealthy, shutdown scheduled")
+ return False
+ return True
+
def check_uptodate():
global latest_ts
for host in HOSTS:
try:
lm = last_modified(retrieve_from_host(host, URL))
logging.debug("lm for host %s: %s", host, lm)
- if lm > latest_ts:
- latest_ts = lm
- except requests.exceptions.ProxyError:
+ latest_ts = max(latest_ts, lm)
+ except (requests.exceptions.ProxyError, requests.exceptions.ReadTimeout):
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):
+ 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)
while True:
start = time.time()
- if check_uptodate():
+ if check_shutdown() and check_uptodate():
logging.info("considering myself healthy")
open(HEALTH_FILE, 'w').write("OK")
else: