From 1d66dce83e58827aae12080552edeaeb357b1997 Mon Sep 17 00:00:00 2001 From: Neil Johnson Date: Fri, 6 Mar 2020 18:14:19 +0000 Subject: [PATCH] Break down monthly active users by appservice_id (#7030) * Break down monthly active users by appservice_id and emit via prometheus. Co-authored-by: Brendan Abolivier --- changelog.d/7030.feature | 1 + synapse/app/homeserver.py | 13 ++++++ .../data_stores/main/monthly_active_users.py | 32 +++++++++++++- tests/storage/test_monthly_active_users.py | 42 +++++++++++++++++++ 4 files changed, 87 insertions(+), 1 deletion(-) create mode 100644 changelog.d/7030.feature diff --git a/changelog.d/7030.feature b/changelog.d/7030.feature new file mode 100644 index 000000000..fcfdb8d8a --- /dev/null +++ b/changelog.d/7030.feature @@ -0,0 +1 @@ +Break down monthly active users by `appservice_id` and emit via Prometheus. diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py index c2a334a2b..e0fdddfdc 100644 --- a/synapse/app/homeserver.py +++ b/synapse/app/homeserver.py @@ -298,6 +298,11 @@ class SynapseHomeServer(HomeServer): # Gauges to expose monthly active user control metrics current_mau_gauge = Gauge("synapse_admin_mau:current", "Current MAU") +current_mau_by_service_gauge = Gauge( + "synapse_admin_mau_current_mau_by_service", + "Current MAU by service", + ["app_service"], +) max_mau_gauge = Gauge("synapse_admin_mau:max", "MAU Limit") registered_reserved_users_mau_gauge = Gauge( "synapse_admin_mau:registered_reserved_users", @@ -585,12 +590,20 @@ def run(hs): @defer.inlineCallbacks def generate_monthly_active_users(): current_mau_count = 0 + current_mau_count_by_service = {} reserved_users = () store = hs.get_datastore() if hs.config.limit_usage_by_mau or hs.config.mau_stats_only: current_mau_count = yield store.get_monthly_active_count() + current_mau_count_by_service = ( + yield store.get_monthly_active_count_by_service() + ) reserved_users = yield store.get_registered_reserved_users() current_mau_gauge.set(float(current_mau_count)) + + for app_service, count in current_mau_count_by_service.items(): + current_mau_by_service_gauge.labels(app_service).set(float(count)) + registered_reserved_users_mau_gauge.set(float(len(reserved_users))) max_mau_gauge.set(float(hs.config.max_mau_value)) diff --git a/synapse/storage/data_stores/main/monthly_active_users.py b/synapse/storage/data_stores/main/monthly_active_users.py index 1507a14e0..925bc5691 100644 --- a/synapse/storage/data_stores/main/monthly_active_users.py +++ b/synapse/storage/data_stores/main/monthly_active_users.py @@ -43,13 +43,40 @@ class MonthlyActiveUsersWorkerStore(SQLBaseStore): def _count_users(txn): sql = "SELECT COALESCE(count(*), 0) FROM monthly_active_users" - txn.execute(sql) (count,) = txn.fetchone() return count return self.db.runInteraction("count_users", _count_users) + @cached(num_args=0) + def get_monthly_active_count_by_service(self): + """Generates current count of monthly active users broken down by service. + A service is typically an appservice but also includes native matrix users. + Since the `monthly_active_users` table is populated from the `user_ips` table + `config.track_appservice_user_ips` must be set to `true` for this + method to return anything other than native matrix users. + + Returns: + Deferred[dict]: dict that includes a mapping between app_service_id + and the number of occurrences. + + """ + + def _count_users_by_service(txn): + sql = """ + SELECT COALESCE(appservice_id, 'native'), COALESCE(count(*), 0) + FROM monthly_active_users + LEFT JOIN users ON monthly_active_users.user_id=users.name + GROUP BY appservice_id; + """ + + txn.execute(sql) + result = txn.fetchall() + return dict(result) + + return self.db.runInteraction("count_users_by_service", _count_users_by_service) + @defer.inlineCallbacks def get_registered_reserved_users(self): """Of the reserved threepids defined in config, which are associated @@ -291,6 +318,9 @@ class MonthlyActiveUsersStore(MonthlyActiveUsersWorkerStore): ) self._invalidate_cache_and_stream(txn, self.get_monthly_active_count, ()) + self._invalidate_cache_and_stream( + txn, self.get_monthly_active_count_by_service, () + ) self._invalidate_cache_and_stream( txn, self.user_last_seen_monthly_active, (user_id,) ) diff --git a/tests/storage/test_monthly_active_users.py b/tests/storage/test_monthly_active_users.py index 3c78faab4..bc53bf095 100644 --- a/tests/storage/test_monthly_active_users.py +++ b/tests/storage/test_monthly_active_users.py @@ -303,3 +303,45 @@ class MonthlyActiveUsersTestCase(unittest.HomeserverTestCase): self.pump() self.store.upsert_monthly_active_user.assert_not_called() + + def test_get_monthly_active_count_by_service(self): + appservice1_user1 = "@appservice1_user1:example.com" + appservice1_user2 = "@appservice1_user2:example.com" + + appservice2_user1 = "@appservice2_user1:example.com" + native_user1 = "@native_user1:example.com" + + service1 = "service1" + service2 = "service2" + native = "native" + + self.store.register_user( + user_id=appservice1_user1, password_hash=None, appservice_id=service1 + ) + self.store.register_user( + user_id=appservice1_user2, password_hash=None, appservice_id=service1 + ) + self.store.register_user( + user_id=appservice2_user1, password_hash=None, appservice_id=service2 + ) + self.store.register_user(user_id=native_user1, password_hash=None) + self.pump() + + count = self.store.get_monthly_active_count_by_service() + self.assertEqual({}, self.get_success(count)) + + self.store.upsert_monthly_active_user(native_user1) + self.store.upsert_monthly_active_user(appservice1_user1) + self.store.upsert_monthly_active_user(appservice1_user2) + self.store.upsert_monthly_active_user(appservice2_user1) + self.pump() + + count = self.store.get_monthly_active_count() + self.assertEqual(4, self.get_success(count)) + + count = self.store.get_monthly_active_count_by_service() + result = self.get_success(count) + + self.assertEqual(2, result[service1]) + self.assertEqual(1, result[service2]) + self.assertEqual(1, result[native])