misc: use requests instead of urlopen to check services (#20096)

hobo/environment/models.py

@@ -1,7 +1,7 @@
 import datetime
-import urllib2
 import json
-import ssl
+
+import requests
 
 from django.conf import settings
 from django.db import models
@@ -77,10 +77,10 @@ class ServiceBase(models.Model):
         self.last_operational_check_timestamp = once_now
         try:
             zone = self.get_admin_zones()[0]
-            fd = urllib2.urlopen(zone.href, timeout=10)
-            fd.close()
+            response = requests.get(zone.href, timeout=10)
+            response.raise_for_status()
             self.last_operational_success_timestamp = once_now
-        except (urllib2.URLError, urllib2.HTTPError, ssl.SSLError), e:
+        except requests.RequestException as e:
             pass
         self.save(update_fields=('last_operational_check_timestamp', 'last_operational_success_timestamp'))