feat: add support for custom panels

Add support for custom panels.
Make possible to manipulate panels in Horizon.

Change-Id: I72f310352e7b28bfcf674ab0d46113c53994e768

horizon/Chart.yaml

@@ -14,7 +14,7 @@ apiVersion: v1
 appVersion: v1.0.0
 description: OpenStack-Helm Horizon
 name: horizon
-version: 0.3.15
+version: 0.3.16
 home: https://docs.openstack.org/horizon/latest/
 icon: https://www.openstack.org/themes/openstack/images/project-mascots/Horizon/OpenStack_Project_Horizon_vertical.png
 sources:

horizon/templates/bin/_horizon.sh.tpl

@@ -25,6 +25,9 @@ function start () {
   {{- range $key, $value := .Values.conf.horizon.local_settings_d }}
   ln -s /etc/openstack-dashboard/local_settings.d/{{ $key }}.py ${SITE_PACKAGES_ROOT}/openstack_dashboard/local/local_settings.d/{{ $key }}.py
   {{- end }}
+  {{- range $key, $value := .Values.conf.horizon.custom_panels }}
+  ln -s /etc/openstack-dashboard/custom_panels/{{ $key }}.py ${SITE_PACKAGES_ROOT}/openstack_dashboard/local/enabled/{{ $key }}.py
+  {{- end }}
   # wsgi/horizon-http needs open files here, including secret_key_store
   chown -R horizon ${SITE_PACKAGES_ROOT}/openstack_dashboard/local/
 

horizon/templates/configmap-etc.yaml

@@ -26,6 +26,9 @@ data:
 {{- if .Values.conf.horizon.security }}
 {{- include "helm-toolkit.snippets.values_template_renderer" (dict "envAll" $envAll "template" .Values.conf.horizon.security "key" "security.conf" "format" "Secret" ) | indent 2 }}
 {{- end }}
+{{- range $key, $value := .Values.conf.horizon.custom_panels }}
+  {{ printf "%s.py" $key }}: {{ $value | b64enc }}
+{{- end }}
 {{- range $key, $value := .Values.conf.horizon.policy }}
   {{ printf "%s_policy.json" $key }}: {{ $value | toPrettyJson | b64enc }}
 {{- end }}

horizon/templates/deployment.yaml

@@ -133,6 +133,13 @@ spec:
               mountPath: /etc/openstack-dashboard/local_settings
               subPath: local_settings
               readOnly: true
+            {{- range $key, $value := $envAll.Values.conf.horizon.custom_panels }}
+            {{- $customPanelsFile := printf "/etc/openstack-dashboard/custom_panels/%s.py" $key }}
+            - name: horizon-etc
+              mountPath: {{ $customPanelsFile }}
+              subPath: {{ base $customPanelsFile }}
+              readOnly: true
+            {{- end }}
             {{- range $key, $value := $envAll.Values.conf.horizon.policy }}
             {{- $policyYamlFile := printf "/etc/openstack-dashboard/%s_policy.yaml" $key }}
             - name: horizon-etc

horizon/values.yaml

@@ -184,6 +184,14 @@ conf:
       # site as frames. This defends against clickjacking attacks.
       # Requires mod_headers to be enabled.
       #
+    custom_panels: {}
+      ## For example, _5000_disable_project_vg_snapshots.py
+      # _5000_disable_project_vg_snapshots: |
+      #   PANEL = 'vg_snapshots'
+      #   PANEL_DASHBOARD = 'project'
+      #   PANEL_GROUP = 'volumes'
+      #   REMOVE_PANEL = True
+      ## https://docs.openstack.org/horizon/latest/configuration/pluggable_panels.html#id2
     local_settings_d: {}
       ## For example, _50_monasca_ui_settings.py
       # _50_monasca_ui_settings: |

releasenotes/notes/horizon.yaml

@@ -52,4 +52,5 @@ horizon:
   - 0.3.13 Make selenium v4 syntax optional
   - 0.3.14 Add 2023.2 Ubuntu Jammy overrides
   - 0.3.15 Update osh-selenium image used by default
+  - 0.3.16 Add support for custom panels
 ...