{{- $alert := "CNPGClusterHighReplicationLag" -}}
{{- if not (has $alert .excludeRules) -}}
alert: {{ $alert }}
annotations:
  summary: CNPG Cluster high replication lag
  description: |-
    CloudNativePG Cluster "{{ .namespace }}/{{ .cluster }}" is experiencing a high replication lag of
    {{ .value }}ms.

    High replication lag indicates network issues, busy instances, slow queries or suboptimal configuration.
  runbook_url: https://github.com/cloudnative-pg/charts/blob/main/charts/cluster/docs/runbooks/CNPGClusterHighReplicationLag.md
expr: |
  max(cnpg_pg_replication_lag{namespace="{{ .namespace }}",pod=~"{{ .podSelector }}"}) * 1000 > 1000
for: 5m
labels:
  severity: warning
  namespace: {{ .namespace }}
  cnpg_cluster: {{ .cluster }}
{{- end -}}