fix: attempt pgbackup

kubernetes/apps/database/cloudnative-pg/cluster/pgdump/helmrelease.yaml

@@ -44,35 +44,7 @@ spec:
             envFrom: &envFrom
               - secretRef:
                   name: cloudnative-pg-postgres16-pgdump-secret
-            command:
-              - "/bin/bash"
-              - "-c"
-              - |
-                #!/bin/bash
-
-                set -o nounset
-                set -o errexit
-
-                # File to store the list of databases
-                OUTPUT_FILE="/config/db_list"
-
-                # Export PG password to avoid password prompt
-                export PGPASSWORD=$POSTGRES_PASSWORD
-
-                # Generate a regex pattern for exclusion
-                EXCLUDE_PATTERN=$(echo $EXCLUDE_DBS | sed 's/ /\\|/g')
-
-                # List all databases, exclude the ones in EXCLUDE_DBS, and write to the file
-                psql -h $POSTGRES_HOST -p $POSTGRES_PORT -U $POSTGRES_USER -lqt | \
-                cut -d \| -f 1 | \
-                grep -Ev "^\s*($EXCLUDE_PATTERN)\s*$" > "$OUTPUT_FILE"
-
-                # Unset PG password
-                unset PGPASSWORD
-
-                echo "Database list saved to $OUTPUT_FILE"
-
-                cat $OUTPUT_FILE
+            command: /scripts/list_dbs.sh
         containers:
           app:
             image:
@@ -104,3 +76,10 @@ spec:
         path: /var/mnt/vol1/backups/postgresql
         globalMounts:
           - path: /backups
+      scripts:
+        enabled: true
+        type: configMap
+        name: cloudnative-pg-postgres16-pgdump-scripts # overriden by kustomizeconfig
+        defaultMode: 0775
+        globalMounts:
+          - path: /scripts