fix: cert-manager related alerts for mimir (#1161)

* fix: cert-manager related alerts for mimir

* Update CHANGELOG.md

CHANGELOG.md

@@ -24,6 +24,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - Remove cilium entry from KAAS SLOs.
+- Fix cert-manager rules for mimir.
 - Fix operatorkit related alerts for mimir.
 - Fix Loki/Mimir and Tempo mixins according to `pint` recommendations
 - Fix cilium related alerts for mimir.

helm/prometheus-rules/templates/alerting-rules/cert-manager.rules.yml

@@ -17,7 +17,7 @@ spec:
           If memory usage value is equal to memory limit value then it is likely the pod will be evicted.
           If no limits are set then the pod will burst.
           `}}
-      expr: (sum by (cluster_id, pod, namespace, container) (container_memory_working_set_bytes{container=~"(cert-manager|cert-manager-app-controller)"}) / 1024 / 1024 / 1024) >= 0.85
+      expr: (sum by (cluster_id, installation, pipeline, provider, pod, namespace, container) (container_memory_working_set_bytes{container=~"(cert-manager|cert-manager-app-controller)"}) / 1024 / 1024 / 1024) >= 0.85
       for: 10m
       labels:
         area: kaas
@@ -44,7 +44,7 @@ spec:
       annotations:
         description: '{{`There are too many CertificateRequests in cluster {{ $labels.cluster_id }}.`}}'
         opsrecipe: cert-requests-too-many/
-      expr: sum by (cluster_id) (etcd_kubernetes_resources_count{kind="certificaterequests.cert-manager.io"}) > 10000
+      expr: sum by (cluster_id, installation, pipeline, provider) (etcd_kubernetes_resources_count{kind="certificaterequests.cert-manager.io"}) > 10000
       for: 15m
       labels:
         area: kaas