added missing instrumentation option

Signed-off-by: Itay Grudev <itay@verito.digital>

Author: itay-grudev

charts/cluster/README.md

@@ -168,6 +168,7 @@ refer to  the [CloudNativePG Documentation](https://cloudnative-pg.io/documentat
 | cluster.monitoring.customQueriesSecret | list | `[]` | The list of secrets containing the custom queries |
 | cluster.monitoring.disableDefaultQueries | bool | `false` | Whether the default queries should be injected. Set it to true if you don't want to inject default queries into the cluster. |
 | cluster.monitoring.enabled | bool | `false` | Whether to enable monitoring |
+| cluster.monitoring.instrumentation.logicalReplication | bool | `true` | Enable logical replication metrics |
 | cluster.monitoring.podMonitor.enabled | bool | `true` | Whether to enable the PodMonitor |
 | cluster.monitoring.podMonitor.metricRelabelings | list | `[]` | The list of metric relabelings for the PodMonitor. Applied to samples before ingestion. |
 | cluster.monitoring.podMonitor.relabelings | list | `[]` | The list of relabelings for the PodMonitor. Applied to samples before scraping. |

charts/cluster/values.schema.json

@@ -235,6 +235,14 @@
                         "enabled": {
                             "type": "boolean"
                         },
+                        "instrumentation": {
+                            "type": "object",
+                            "properties": {
+                                "logicalReplication": {
+                                    "type": "boolean"
+                                }
+                            }
+                        },
                         "podMonitor": {
                             "type": "object",
                             "properties": {

charts/cluster/values.yaml

@@ -321,6 +321,10 @@ cluster:
       # -- Exclude specified rules
       excludeRules: []
         # - CNPGClusterZoneSpreadWarning
+    # Additional instrumentation via custom metrics
+    instrumentation:
+      # -- Enable logical replication metrics
+      logicalReplication: true
     # -- Whether the default queries should be injected.
     # Set it to true if you don't want to inject default queries into the cluster.
     disableDefaultQueries: false