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Monitoring: adds podmonitor and prometheusrule for prometheus-operator enabled clusters #94

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Monitoring: adds podmonitor and prometheusrule for prometheus-operator enabled clusters #94

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8430961
adds podmonitor for prometheus metrics
dgo19 Mar 10, 2022
30fc78f
adds prometheusrule for prometheus alerts
dgo19 Mar 10, 2022
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46 changes: 46 additions & 0 deletions helm/postgres/templates/podmonitor.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
{{- if .Values.monitoring }}
apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
name: postgresql-exporter
spec:
selector:
matchLabels:
postgres-operator.crunchydata.com/crunchy-postgres-exporter: "true"
podMetricsEndpoints:
- port: exporter
relabelings:
- sourceLabels: [__meta_kubernetes_namespace]
action: replace
targetLabel: kubernetes_namespace
- sourceLabels: [__meta_kubernetes_pod_name]
targetLabel: pod
- sourceLabels: [__meta_kubernetes_pod_label_postgres_operator_crunchydata_com_cluster,__meta_kubernetes_pod_label_pg_cluster]
targetLabel: cluster
separator: ""
replacement: '$1'
- sourceLabels: [__meta_kubernetes_namespace,cluster]
targetLabel: pg_cluster
separator: ":"
replacement: '$1$2'
- sourceLabels: [__meta_kubernetes_pod_ip]
targetLabel: ip
replacement: '$1'
- sourceLabels: [__meta_kubernetes_pod_label_postgres_operator_crunchydata_com_instance,__meta_kubernetes_pod_label_deployment_name]
targetLabel: deployment
replacement: '$1'
separator: ""
- sourceLabels: [__meta_kubernetes_pod_label_postgres_operator_crunchydata_com_role,__meta_kubernetes_pod_label_role]
targetLabel: role
replacement: '$1'
separator: ""
- sourceLabels: [dbname]
targetLabel: dbname
replacement: '$1'
- sourceLabels: [relname]
targetLabel: relname
replacement: '$1'
- sourceLabels: [schemaname]
targetLabel: schemaname
replacement: '$1'
Comment on lines +37 to +45
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Could you explain why we need this relabeling?

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I simply copied the complete relabel_config from the original prometheus-config.
https://github.com/dgo19/postgres-operator-examples/blob/main/kustomize/monitoring/prometheus-config.yaml#L65-L73

There are several changes in the last 2 years ;-)

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There are several changes in the last 2 years ;-)

Thanks for mentioning this ;-) I will also have a look directly to these files

{{- end }}
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