[rabbitmq] Update readiness/liveness commands

Use lightweigh rabbitmqctl ping command to check readiness and liveness probe.
check_port_connectivity - is not suatable for liveness as it does not check
  that instance of rabbitmq is actually running and we can authenticate.

Change-Id: I6f157e9aef3450dba1ad7e0cb19491a41f700bbc

rabbitmq/Chart.yaml

@@ -15,6 +15,6 @@ apiVersion: v1
 appVersion: v3.12.0
 description: OpenStack-Helm RabbitMQ
 name: rabbitmq
-version: 0.1.36
+version: 0.1.37
 home: https://github.com/rabbitmq/rabbitmq-server
 ...

rabbitmq/templates/bin/_rabbitmq-liveness.sh.tpl

@@ -19,5 +19,5 @@ set -e
 if [ -f /tmp/rabbit-disable-liveness-probe ]; then
    exit 0
 else
-   exec rabbitmq-diagnostics -q check_port_connectivity
+   exec rabbitmqctl ping
 fi

rabbitmq/templates/bin/_rabbitmq-readiness.sh.tpl

@@ -19,5 +19,5 @@ set -e
 if [ -f /tmp/rabbit-disable-readiness ]; then
    exit 1
 else
-   exec rabbitmq-diagnostics ping
+   exec rabbitmqctl ping
 fi

releasenotes/notes/rabbitmq.yaml

@@ -36,4 +36,5 @@ rabbitmq:
   - 0.1.34 Add 2024.1 overrides
   - 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
 ...