Enable addition of default consumer prefetch count

Change-Id: Ib1e29be00ec6accf78a01c4931d62fadf1ea28a3
Signed-off-by: Anselme, Schubert (sa246v) <sa246v@att.com>

rabbitmq/Chart.yaml

@@ -15,6 +15,6 @@ apiVersion: v1
 appVersion: v3.9.0
 description: OpenStack-Helm RabbitMQ
 name: rabbitmq
-version: 0.1.31
+version: 0.1.32
 home: https://github.com/rabbitmq/rabbitmq-server
 ...

rabbitmq/templates/configmap-etc.yaml

@@ -65,6 +65,16 @@ data:
 {{ include "rabbitmq.utils.to_rabbit_config" $envAll.Values.conf.rabbit_additonal_conf | indent 4 }}
 {{- end }}
 
+{{- if .Values.conf.rabbit_advanced_config.enabled }}
+  advanced.config: |
+    [
+    {rabbit, [
+          {default_consumer_prefetch, {false,{{ .Values.conf.rabbit_advanced_config.default_consumer_prefetch }}}}
+        ]
+    }
+    ].
+{{- end }}
+
 {{- $erlvm_scheduler_num := include "get_erlvm_scheduler_num" .Values.pod.resources.server.limits.cpu }}
 {{- $erlvm_scheduler_conf := printf "+S %s:%s" $erlvm_scheduler_num $erlvm_scheduler_num }}
 {{- if .Values.manifests.config_ipv6 }}

rabbitmq/templates/statefulset.yaml

@@ -280,6 +280,12 @@ spec:
               mountPath: /etc/rabbitmq/rabbitmq.conf
               subPath: rabbitmq.conf
               readOnly: true
+{{- if .Values.conf.rabbit_advanced_config.enabled }}
+            - name: rabbitmq-etc
+              mountPath: /etc/rabbitmq/advanced.config
+              subPath: advanced.config
+              readOnly: true
+{{- end }}
             - name: rabbitmq-etc
               mountPath: /etc/rabbitmq/rabbitmq-env.conf
               subPath: rabbitmq-env.conf

rabbitmq/values.yaml

@@ -212,6 +212,9 @@ conf:
     # This confinguration is used for non TLS deployments
     management.listener.ip: "::"
     management.listener.port: null
+  rabbit_advanced_config:
+    enabled: false
+    default_consumer_prefetch: 250
   rabbitmq_exporter:
     rabbit_timeout: 30
   # Feature Flags is introduced in RabbitMQ 3.8.0

releasenotes/notes/rabbitmq.yaml

@@ -31,4 +31,5 @@ rabbitmq:
   - 0.1.29 Add build-in prometheus plugin and disable external exporter
   - 0.1.30 Add labels to rabbitmq service
   - 0.1.31 Support management api metrics collection
+  - 0.1.32 Enable addition of default consumer prefetch count
 ...