cloudnative-pg · philippemnoel · Jun 19, 2026
@@ -4,18 +4,18 @@ alert: {{ $alert }}
 annotations:
   summary: CNPG Cluster has no standby replicas!
   description: |-
-    CloudNativePG Cluster "{{ .labels.job }}" has no ready standby replicas. Your cluster at a severe
+    CloudNativePG Cluster "{{ .labels.job }}" has no ready standby replicas. The cluster is at a severe
     risk of data loss and downtime if the primary instance fails.
 
     The primary instance is still online and able to serve queries, although connections to the `-ro` endpoint
-    will fail. The `-r` endpoint os operating at reduced capacity and all traffic is being served by the main.
+    will fail. The `-r` endpoint is operating at reduced capacity and all traffic is being served by the primary.
 
     This can happen during a normal fail-over or automated minor version upgrades in a cluster with 2 or less
     instances. The replaced instance may need some time to catch-up with the cluster primary instance.
 
-    This alarm will be always trigger if your cluster is configured to run with only 1 instance. In this
+    This alarm will be constantly triggered if your cluster is configured to run with only 1 instance. In this
     case you may want to silence it.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterHACritical.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   max by (job) (cnpg_pg_replication_streaming_replicas{namespace="{{ .namespace }}"} - cnpg_pg_replication_is_wal_receiver_up{namespace="{{ .namespace }}"}) < 1
 for: 5m

@@ -6,14 +6,14 @@ annotations:
   description: |-
     CloudNativePG Cluster "{{ .labels.job }}" has only {{ .value }} standby replicas, putting
     your cluster at risk if another instance fails. The cluster is still able to operate normally, although
-    the `-ro` and `-r` endpoints operate at reduced capacity.
+    the `-ro` and `-r` endpoints are operating at reduced capacity.
 
     This can happen during a normal fail-over or automated minor version upgrades. The replaced instance may
     need some time to catch-up with the cluster primary instance.
 
     This alarm will be constantly triggered if your cluster is configured to run with less than 3 instances.
     In this case you may want to silence it.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterHAWarning.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   max by (job) (cnpg_pg_replication_streaming_replicas{namespace="{{ .namespace }}"} - cnpg_pg_replication_is_wal_receiver_up{namespace="{{ .namespace }}"}) < 2
 for: 5m

@@ -6,7 +6,7 @@ annotations:
   description: |-
     CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" instance {{ .labels.pod }} is using {{ .value }}% of
     the maximum number of connections.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterHighConnectionsCritical.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   sum by (pod) (cnpg_backends_total{namespace="{{ .namespace }}", pod=~"{{ .podSelector }}"}) / max by (pod) (cnpg_pg_settings_setting{name="max_connections", namespace="{{ .namespace }}", pod=~"{{ .podSelector }}"}) * 100 > 95
 for: 5m

@@ -6,7 +6,7 @@ annotations:
   description: |-
     CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" instance {{ .labels.pod }} is using {{ .value }}% of
     the maximum number of connections.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterHighConnectionsWarning.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   sum by (pod) (cnpg_backends_total{namespace="{{ .namespace }}", pod=~"{{ .podSelector }}"}) / max by (pod) (cnpg_pg_settings_setting{name="max_connections", namespace="{{ .namespace }}", pod=~"{{ .podSelector }}"}) * 100 > 80
 for: 5m

@@ -8,7 +8,7 @@ annotations:
     instances on the same node {{ .labels.node }}.
 
     A failure or scheduled downtime of a single node will lead to a potential service disruption and/or data loss.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterInstancesOnSameNode.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   count by (node) (kube_pod_info{namespace="{{ .namespace }}", pod=~"{{ .podSelector }}"}) > 1
 for: 5m

@@ -4,8 +4,8 @@ alert: {{ $alert }}
 annotations:
   summary: CNPG Instance is running out of disk space!
   description: |-
-    CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" is running extremely low on disk space. Check attached PVCs!
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterLowDiskSpaceCritical.md
+    CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" is running extremely low on disk space. Check attached PVCs! Current disk space usage is {{ .value }}% of the total capacity.
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   max(max by(persistentvolumeclaim) (1 - kubelet_volume_stats_available_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}"} / kubelet_volume_stats_capacity_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}"})) * 100 > 90 OR
   max(max by(persistentvolumeclaim) (1 - kubelet_volume_stats_available_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}-wal"} / kubelet_volume_stats_capacity_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}-wal"})) * 100 > 90 OR

@@ -4,8 +4,8 @@ alert: {{ $alert }}
 annotations:
   summary: CNPG Instance is running out of disk space.
   description: |-
-    CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" is running low on disk space. Check attached PVCs.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterLowDiskSpaceWarning.md
+    CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" is running low on disk space. Check attached PVCs. Current disk space usage is {{ .value }}% of the total capacity.
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   max(max by(persistentvolumeclaim) (1 - kubelet_volume_stats_available_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}"} / kubelet_volume_stats_capacity_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}"})) * 100 > 70 OR
   max(max by(persistentvolumeclaim) (1 - kubelet_volume_stats_available_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}-wal"} / kubelet_volume_stats_capacity_bytes{namespace="{{ .namespace }}", persistentvolumeclaim=~"{{ .podSelector }}-wal"})) * 100 > 70 OR

@@ -8,7 +8,7 @@ annotations:
 
     Having an offline cluster means your applications will not be able to access the database, leading to
     potential service disruption and/or data loss.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterOffline.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   (count(cnpg_collector_up{namespace="{{ .namespace }}",pod=~"{{ .podSelector }}"}) OR on() vector(0)) == 0
 for: 5m

@@ -7,7 +7,7 @@ annotations:
     CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" has instances in the same availability zone.
 
     A disaster in one availability zone will lead to a potential service disruption and/or data loss.
-  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterZoneSpreadWarning.md
+  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/{{ $alert }}.md
 expr: |
   {{ .Values.cluster.instances }} > count(count by (label_topology_kubernetes_io_zone) (kube_pod_info{namespace="{{ .namespace }}", pod=~"{{ .podSelector }}"} * on(node,instance) group_left(label_topology_kubernetes_io_zone) kube_node_labels)) < 3
 for: 5m

@@ -8,9 +8,9 @@
 
 
 {{ if .Release.IsInstall }}
-The {{ include "cluster.color-info" (include "cluster.fullname" .) }} has been installed successfully.
+The {{ include "cluster.color-info" (include "cluster.fullname" .) }} cluster has been installed successfully.
 {{ else if .Release.IsUpgrade }}
-The {{ include "cluster.color-info" (include "cluster.fullname" .) }} has been upgraded successfully.
+The {{ include "cluster.color-info" (include "cluster.fullname" .) }} cluster has been upgraded successfully.
 {{ end }}
 
    ██████   ██                       ██ ████     ██             ██   ██                  ███████    ████████