improve error handling

awx/main/utils/licensing.py

@@ -242,20 +242,12 @@ class Licenser(object):
         return []
 
     def get_rhsm_subs(self, host, user, pw):
-        verify = getattr(settings, 'REDHAT_CANDLEPIN_VERIFY', True)
         json = []
-        try:
-            subs = requests.get('/'.join([host, 'subscription/users/{}/owners'.format(user)]), verify=verify, auth=(user, pw))
-        except requests.exceptions.ConnectionError as error:
-            raise error
-        except OSError as error:
-            raise OSError(
-                'Unable to open certificate bundle {}. Check that the service is running on Red Hat Enterprise Linux.'.format(verify)
-            ) from error  # noqa
+        subs = requests.get('/'.join([host, 'subscription/users/{}/owners'.format(user)]), verify=True, auth=(user, pw))
         subs.raise_for_status()
 
         for sub in subs.json():
-            resp = requests.get('/'.join([host, 'subscription/owners/{}/pools/?match=*tower*'.format(sub['key'])]), verify=verify, auth=(user, pw))
+            resp = requests.get('/'.join([host, 'subscription/owners/{}/pools/?match=*tower*'.format(sub['key'])]), verify=True, auth=(user, pw))
             resp.raise_for_status()
             json.extend(resp.json())
         return json
@@ -266,8 +258,8 @@ class Licenser(object):
             verify = str(self.config.get("rhsm", "repo_ca_cert"))
             port = str(self.config.get("server", "port"))
         except Exception as e:
+            verify = True
             logger.exception('Unable to read rhsm config to get ca_cert location. {}'.format(str(e)))
-            verify = getattr(settings, 'REDHAT_CANDLEPIN_VERIFY', True)
         if port:
             host = ':'.join([host, port])
         json = []