prometheus: add bird bgp import alert rules

group_vars/prom/prometheus.yml

@@ -335,6 +335,17 @@ prometheus__alert_rules_bird:
       severity: critical
     annotations:
       Session: !unsafe "{{ $labels.name }}"
+  - alert: BirdBGPNoImportedPrefixRedundant
+    expr:
+      bird_protocol_prefix_import_count{
+        import_filter!="REJECT",
+      } * on (instance, name) (
+        bird:protocol_up:bgp:redundant{state="Established"}
+      ) == 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
   - alert: BirdBGPNoExportedPrefixNonRedundant
     expr:
       sum by (group) (
@@ -349,6 +360,20 @@ prometheus__alert_rules_bird:
       severity: critical
     annotations:
       Session: !unsafe "{{ $labels.name }}"
+  - alert: BirdBGPNoImportedPrefixNonRedundant
+    expr:
+      sum by (group) (
+        bird_protocol_prefix_import_count{
+          import_filter!="REJECT",
+        } * on (instance, name) group_left (group) (
+          bird:protocol_up:bgp:non_redundant{state="Established"}
+        )
+      ) == 0
+    for: 0m
+    labels:
+      severity: critical
+    annotations:
+      Session: !unsafe "{{ $labels.name }}"
   - alert: BirdOSPFNeighboursChange
     expr:
       changes(bird_ospf_neighbor_count[5m]) > 0