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fix(cluster): add pg version compatibility to logical replication monitoring #881

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fix(cluster): add pg version compatibility to logical replication monitoring #881

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14 changes: 13 additions & 1 deletion charts/cluster/templates/monitoring-logical-replication.yaml
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
{{- if .Values.cluster.monitoring.instrumentation.logicalReplication }}
{{- $pgVersion := include "cluster.postgresqlMajor" . | int -}}
apiVersion: v1
kind: ConfigMap
metadata:
Expand All @@ -15,16 +16,20 @@ data:
, s.oid AS subid
, s.subname AS subname
, subenabled AS enabled
{{- if ge $pgVersion 17 }}
, worker_type
{{- end }}
, relid
, pg_wal_lsn_diff(received_lsn, '0/0') AS received_lsn
, last_msg_send_time
, last_msg_receipt_time
, pg_wal_lsn_diff(latest_end_lsn, '0/0') AS latest_end_lsn
, latest_end_time
{{- if ge $pgVersion 15 }}
, apply_error_count
, sync_error_count
, stats_reset
{{- end }}
, ss.pid
, CASE
WHEN received_lsn IS NOT NULL AND latest_end_lsn IS NOT NULL
Expand All @@ -43,7 +48,9 @@ data:
END AS apply_lag_seconds
FROM pg_subscription s
LEFT JOIN pg_stat_subscription ss ON s.oid = ss.subid
LEFT JOIN pg_stat_subscription_stats sss ON s.oid = sss.subid;
{{- if ge $pgVersion 15 }}
LEFT JOIN pg_stat_subscription_stats sss ON s.oid = sss.subid
{{- end }};
target_databases: ["*"]
metrics:
- datname:
Expand All @@ -55,9 +62,11 @@ data:
- subname:
description: Name of the subscription
usage: LABEL
{{- if ge $pgVersion 17 }}
- worker_type:
description: Type of the worker
usage: LABEL
{{- end }}
- relid:
description: OID of the relation
usage: LABEL
Expand All @@ -79,6 +88,7 @@ data:
- enabled:
description: Subscription status (enabled/disabled)
usage: GAUGE
{{- if ge $pgVersion 15 }}
- apply_error_count:
description: Number of times an error occurred while applying changes
usage: GAUGE
Expand All @@ -88,6 +98,7 @@ data:
- stats_reset:
description: Time at which these statistics were last reset
usage: GAUGE
{{- end }}
- pid:
description: Process ID of the subscription worker process
usage: GAUGE
Expand All @@ -101,3 +112,4 @@ data:
description: Seconds since last apply operation
usage: GAUGE
{{- end }}

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