Add missing prometheus rules for persisted events (#8802)

The official dashboard uses data from these rules, but they were never added to the synapse-v2.rules. They are mentioned in this issue: #7917 (comment), but never got added to the rules. Adding them results in all graphs in the "Event persist rate" section to function as intended. Signed-off-by: Johanna Dorothea Reichmann <[email protected]>
matrix-org · Dec 2, 2020 · 0fed46e · 0fed46e
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diff --git a/changelog.d/8802.doc b/changelog.d/8802.doc
@@ -0,0 +1 @@
+Fix the "Event persist rate" section of the included grafana dashboard by adding missing prometheus rules.
diff --git a/contrib/prometheus/synapse-v2.rules b/contrib/prometheus/synapse-v2.rules
@@ -58,3 +58,21 @@ groups:
     labels:
       type: "PDU"
     expr: 'synapse_federation_transaction_queue_pending_pdus + 0'
+
+  - record: synapse_storage_events_persisted_by_source_type
+    expr: sum without(type, origin_type, origin_entity) (synapse_storage_events_persisted_events_sep{origin_type="remote"})
+    labels:
+      type: remote
+  - record: synapse_storage_events_persisted_by_source_type
+    expr: sum without(type, origin_type, origin_entity) (synapse_storage_events_persisted_events_sep{origin_entity="*client*",origin_type="local"})
+    labels:
+      type: local
+  - record: synapse_storage_events_persisted_by_source_type
+    expr: sum without(type, origin_type, origin_entity) (synapse_storage_events_persisted_events_sep{origin_entity!="*client*",origin_type="local"})
+    labels:
+      type: bridges
+  - record: synapse_storage_events_persisted_by_event_type
+    expr: sum without(origin_entity, origin_type) (synapse_storage_events_persisted_events_sep)
+  - record: synapse_storage_events_persisted_by_origin
+    expr: sum without(type) (synapse_storage_events_persisted_events_sep)
+
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		Fix the "Event persist rate" section of the included grafana dashboard by adding missing prometheus rules.