feat: Add healthcheck

src/fellchensammlung/tools/misc.py

@@ -1,4 +1,8 @@
 import datetime as datetime
+import logging
+
+from notfellchen import settings
+import requests
 
 
 def pluralize(number, letter="e"):
@@ -11,11 +15,11 @@ def pluralize(number, letter="e"):
 
 def age_as_hr_string(age: datetime.timedelta) -> str:
     days = age.days
-    weeks = age.days/7
-    months = age.days/30
-    years = age.days/365
+    weeks = age.days / 7
+    months = age.days / 30
+    years = age.days / 365
     if years >= 1:
-        months = months - 12*years
+        months = months - 12 * years
         return f'{years:.0f} Jahr{pluralize(years)} und {months:.0f} Monat{pluralize(months)}'
     elif months >= 3:
         return f'{months:.0f} Monat{pluralize(months)}'
@@ -23,3 +27,10 @@ def age_as_hr_string(age: datetime.timedelta) -> str:
         return f'{weeks:.0f} Woche{pluralize(weeks, "n")}'
     else:
         return f'{days:.0f} Tag{pluralize(days)}'
+
+
+def healthcheck_ok():
+    try:
+        requests.get(settings.HEALTHCHECK_URL, timeout=10)
+    except requests.RequestException as e:
+        logging.error("Ping to healthcheck-server failed: %s" % e)