Ability to define extra commands for cell setup

This PS makes to possible to add extra commands to the nova cell setup
job if needed.

Change-Id: I3b1f4e2ee58e60d3d830772cbb57c115dd712824

nova/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Nova
 name: nova
-version: 0.3.27
+version: 0.3.28
 home: https://docs.openstack.org/nova/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Nova/OpenStack_Project_Nova_vertical.png
 sources:

nova/templates/bin/_cell-setup-init.sh.tpl

@@ -69,3 +69,7 @@ until openstack compute service list --service nova-compute -f value -c State |
   echo "Waiting for Nova Compute processes to register"
   sleep 10
 done
+
+{{- if .Values.jobs.cell_setup.extra_command }}
+{{ .Values.jobs.cell_setup.extra_command }}
+{{- end }}

nova/values.yaml

@@ -101,6 +101,7 @@ jobs:
       enabled: false
       iteration: 3
       duration: 5
+    extra_command: null
   service_cleaner:
     cron: "0 */1 * * *"
     starting_deadline: 600

releasenotes/notes/nova.yaml

@@ -96,4 +96,5 @@ nova:
   - 0.3.25 Add IP addresses search control flag
   - 0.3.26 Improve cinder authentication support
   - 0.3.27 Add 2023.2 Ubuntu Jammy overrides
+  - 0.3.28 Add ability to define extra command(s) for the nova cell setup job
 ...