feat(paradedb): expose replicationSlots on the CNPG Cluster

charts/paradedb/templates/cluster.yaml

@@ -104,6 +104,11 @@ spec:
       {{ end }}
       cron.database_name: postgres
 
+  {{- with .Values.cluster.replicationSlots }}
+  replicationSlots:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+
   {{- if not (and (empty .Values.cluster.roles) (empty .Values.cluster.services)) }}
   managed:
     {{- with .Values.cluster.services }}

charts/paradedb/test/paradedb-cluster-configuration/01-non_default_configuration_cluster-assert.yaml

@@ -12,6 +12,15 @@ spec:
   postgresUID: 1001
   postgresGID: 1002
   instances: 2
+  replicationSlots:
+    highAvailability:
+      enabled: true
+      slotPrefix: "_cnpg_"
+    updateInterval: 30
+    synchronizeReplicas:
+      enabled: true
+      excludePatterns:
+        - "^foo"
   postgresql:
     ldap:
       server: 'openldap.default.svc.cluster.local'

charts/paradedb/test/paradedb-cluster-configuration/01-non_default_configuration_cluster.yaml

@@ -88,6 +88,15 @@ cluster:
        inRoles:
          - pg_monitor
          - pg_signal_backend
+  replicationSlots:
+    highAvailability:
+      enabled: true
+      slotPrefix: "_cnpg_"
+    updateInterval: 30
+    synchronizeReplicas:
+      enabled: true
+      excludePatterns:
+        - "^foo"
   postgresql:
     ldap:
       server: 'openldap.default.svc.cluster.local'

charts/paradedb/test/pooler/chainsaw-test.yaml

@@ -7,8 +7,8 @@ metadata:
 spec:
   timeouts:
     apply: 1s
-    assert: 20s
-    cleanup: 30s
+    assert: 2m
+    cleanup: 1m
   steps:
     - name: Install the non-default configuration cluster
       try:

charts/paradedb/values.yaml

@@ -351,6 +351,20 @@ cluster:
     #  - name: custom-queries-secret
     #    key: custom-queries
 
+  # -- Replication slot management. Controls both physical-slot HA between
+  # CNPG instances and synchronization of user-created logical replication
+  # slots so that CDC consumers (e.g. Artie, Debezium) survive failover.
+  # Requires PostgreSQL 17+ for logical-slot synchronization (failover slots).
+  # See: https://cloudnative-pg.io/documentation/current/replication/#replication-slots
+  replicationSlots: {}
+    # highAvailability:
+    #   enabled: true
+    #   slotPrefix: "_cnpg_"
+    # updateInterval: 30
+    # synchronizeReplicas:
+    #   enabled: true
+    #   excludePatterns: []
+
   postgresql:
     # -- PostgreSQL configuration options (postgresql.conf)
     parameters: {}