improve naming

changelog.d/3846.feature

@@ -1 +1 @@
-create synapse_admin_mau:reserved metric to expose number of real reaserved users 
+Add synapse_admin_mau:registered_reserved_users metric to expose number of real reaserved users 

synapse/app/homeserver.py

@@ -307,7 +307,10 @@ def run_startup_checks(self, db_conn, database_engine):
 # Gauges to expose monthly active user control metrics
 current_mau_gauge = Gauge("synapse_admin_mau:current", "Current MAU")
 max_mau_gauge = Gauge("synapse_admin_mau:max", "MAU Limit")
-reserved_mau_gauge = Gauge("synapse_admin_mau:reserved", "Reserved real MAU users")
+registered_reserved_users_mau_gauge = Gauge(
+    "synapse_admin_mau:registered_reserved_users",
+    "Registered users with reserved threepids"
+)
 
 
 def setup(config_options):
@@ -533,12 +536,13 @@ def generate_user_daily_visit_stats():
     @defer.inlineCallbacks
     def generate_monthly_active_users():
         current_mau_count = 0
-        reserved_mau_count = 0
+        reserved_count = 0
+        store = hs.get_datastore()
         if hs.config.limit_usage_by_mau:
-            current_mau_count = yield hs.get_datastore().get_monthly_active_count()
-            reserved_mau_count = yield hs.get_datastore().get_reserved_real_user_account()
+            current_mau_count = yield store.get_monthly_active_count()
+            reserved_count = yield store.get_registered_reserved_users_count()
         current_mau_gauge.set(float(current_mau_count))
-        reserved_mau_gauge.set(float(reserved_mau_count))
+        registered_reserved_users_mau_gauge.set(float(reserved_count))
         max_mau_gauge.set(float(hs.config.max_mau_value))
 
     hs.get_datastore().initialise_reserved_users(

synapse/storage/monthly_active_users.py

@@ -147,7 +147,7 @@ def _count_users(txn):
         return self.runInteraction("count_users", _count_users)
 
     @defer.inlineCallbacks
-    def get_reserved_real_user_account(self):
+    def get_registered_reserved_users_count(self):
         """Of the reserved threepids defined in config, how many are associated
         with registered users?
 

tests/storage/test_monthly_active_users.py

@@ -186,7 +186,7 @@ def test_populate_monthly_users_should_not_update(self):
 
     def test_get_reserved_real_user_account(self):
         # Test no reserved users, or reserved threepids
-        count = self.store.get_reserved_real_user_account()
+        count = self.store.get_registered_reserved_users_count()
         self.assertEquals(self.get_success(count), 0)
         # Test reserved users but no registered users
 
@@ -201,7 +201,7 @@ def test_get_reserved_real_user_account(self):
         self.hs.config.mau_limits_reserved_threepids = threepids
         self.store.initialise_reserved_users(threepids)
         self.pump()
-        count = self.store.get_reserved_real_user_account()
+        count = self.store.get_registered_reserved_users_count()
         self.assertEquals(self.get_success(count), 0)
 
         # Test reserved registed users
@@ -212,5 +212,5 @@ def test_get_reserved_real_user_account(self):
         now = int(self.hs.get_clock().time_msec())
         self.store.user_add_threepid(user1, "email", user1_email, now, now)
         self.store.user_add_threepid(user2, "email", user2_email, now, now)
-        count = self.store.get_reserved_real_user_account()
+        count = self.store.get_registered_reserved_users_count()
         self.assertEquals(self.get_success(count), len(threepids))