[rabbitmq] Do not use hardcoded username in rabbitmq chown container

Pick up UID from .Values.pod.security_context.server.pod.runAsUser as this is
user that we are using to run service.

Change-Id: Id4c53b0a882b027e320b08ed766cb473ab9ab535

rabbitmq/Chart.yaml

@@ -15,6 +15,6 @@ apiVersion: v1
 appVersion: v3.12.0
 description: OpenStack-Helm RabbitMQ
 name: rabbitmq
-version: 0.1.37
+version: 0.1.38
 home: https://github.com/rabbitmq/rabbitmq-server
 ...

rabbitmq/templates/statefulset.yaml

@@ -182,7 +182,7 @@ spec:
           command:
             - chown
             - -R
-            - "rabbitmq:"
+            - "{{ $envAll.Values.pod.security_context.server.pod.runAsUser }}"
             - /var/lib/rabbitmq
           volumeMounts:
             - name: pod-tmp

releasenotes/notes/rabbitmq.yaml

@@ -37,4 +37,5 @@ rabbitmq:
   - 0.1.35 Add configurable probes to rabbitmq container
   - 0.1.36 Use quay.io/airshipit/kubernetes-entrypoint:latest-ubuntu_focal by default
   - 0.1.37 Update rabbitmq readiness/liveness command
+  - 0.1.38 Do not use hardcoded username in rabbitmq chown container
 ...