Better debian-ports.org/debian-cd redirection
[mirror/dsa-puppet.git] / modules / roles / files / mirror_health / mirror-health
index 1d4fae0..a4df165 100755 (executable)
@@ -5,6 +5,7 @@ import requests
 import time
 import calendar
 import logging
+import subprocess
 from email.utils import parsedate
 logging.basicConfig(level=logging.INFO)
 
@@ -29,17 +30,25 @@ def last_modified(response):
         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)
@@ -48,7 +57,7 @@ def check_uptodate():
 
 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: