[nova] use new utils and don't add backup users to proxysql config

Don't add backup and metrics users to proxysql.cnf, as it may cause
duplicates, which are not allowed since ProxySQL 3.0.3

* Bump `utils` dependency to 0.32.0
* Add `proxysql.ignore_users` with `backup` and `metrics` users

Author: s10

openstack/nova/Chart.lock

@@ -22,7 +22,7 @@ dependencies:
   version: 0.6.10
 - name: utils
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-  version: 0.29.0
+  version: 0.32.0
 - name: mariadb
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
   version: 0.27.2
@@ -41,5 +41,5 @@ dependencies:
 - name: redis
   repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
   version: 2.2.18
-digest: sha256:b27d124efd86a9f9b35f15f4b2efda5ad774394ab2b4379cb062b20f7f0a2d5d
-generated: "2025-10-07T16:14:25.360579+03:00"
+digest: sha256:7d552a22802f40de6ca4e132c39946cfbc782b3873f6429f223522d2c9bb56e1
+generated: "2025-11-21T18:27:55.198567+02:00"

openstack/nova/Chart.yaml

@@ -3,7 +3,7 @@ apiVersion: v2
 description: A Helm chart for Kubernetes
 name: nova
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Nova/OpenStack_Project_Nova_mascot.png
-version: 0.6.1
+version: 0.6.2
 appVersion: "bobcat"
 dependencies:
   - name: mariadb
@@ -37,7 +37,7 @@ dependencies:
     version: 0.6.10
   - name: utils
     repository: oci://keppel.eu-de-1.cloud.sap/ccloud-helm
-    version: 0.29.0
+    version: 0.32.0
   - name: mariadb
     alias: mariadb_cell2
     condition: mariadb_cell2.enabled

openstack/nova/ci/test-values.yaml

@@ -61,12 +61,18 @@ pxc_db:
         aws_access_key_id: topSecret!
         aws_secret_access_key: topSecret!
 
+proxysql:
+  mode: host_alias
+
 mariadb:
   enabled: true
   root_password: rootrootCell1
   backup_v2:
     enabled: false
   users:
+    backup:
+      name: backup
+      password: passwordBackup
     nova:
       name: nova
       password: passwordCell1
@@ -106,6 +112,9 @@ mariadb_api:
   backup_v2:
     enabled: false
   users:
+    backup:
+      name: backup
+      password: passwordBackupApi
     nova_api:
       name: nova_api
       password: passwordApi

openstack/nova/values.yaml

@@ -778,6 +778,10 @@ max_overflow: 5
 proxysql:
   mode: ""
   native_sidecar: true
+  ignore_users:
+    - backup
+    - metrics
+    - metis
 
 mariadb:
   enabled: false