Iss2312 - Allow max gRPC message size to be set from Helm Chart value

charts/ecosystem/templates/_helpers.tpl

@@ -84,3 +84,10 @@
   {{- end }}
   {{- print $extraBundles }}
 {{- end -}}
+
+{{/*
+  Returns the maximum message size in bytes allowed for a single gRPC frame as an integer value.
+*/}}
+{{- define "max.grpc.message.size" -}}
+  {{- empty .Values.maxgRPCMessageSize | ternary ("4194304") (.Values.maxgRPCMessageSize) }}
+{{- end -}}

charts/ecosystem/templates/api.yaml

@@ -165,6 +165,8 @@ spec:
         - name: JDK_JAVA_OPTIONS
           value: -Djavax.net.ssl.trustStore=/galasa/certificates/cacerts
         {{- end }}
+        - name: MAX_GRPC_MESSAGE_SIZE
+          value: {{ include "max.grpc.message.size" . }}
         ports:
         - containerPort: 9010
           name: metrics

charts/ecosystem/templates/custom-resource-monitor.yaml

@@ -87,6 +87,8 @@ spec:
         - name: JDK_JAVA_OPTIONS
           value: -Djavax.net.ssl.trustStore=/galasa/certificates/cacerts
         {{- end }}
+        - name: MAX_GRPC_MESSAGE_SIZE
+          value: {{ include "max.grpc.message.size" . }}
         ports:
         - containerPort: 9010
           name: metrics

charts/ecosystem/templates/engine-controller.yaml

@@ -130,6 +130,8 @@ spec:
         - name: JDK_JAVA_OPTIONS
           value: -Djavax.net.ssl.trustStore=/galasa/certificates/cacerts
         {{- end }}
+        - name: MAX_GRPC_MESSAGE_SIZE
+          value: {{ include "max.grpc.message.size" . }}
         ports:
         - containerPort: 9010
           name: metrics

charts/ecosystem/templates/metrics.yaml

@@ -107,6 +107,8 @@ spec:
         - name: JDK_JAVA_OPTIONS
           value: -Djavax.net.ssl.trustStore=/galasa/certificates/cacerts
         {{- end }}
+        - name: MAX_GRPC_MESSAGE_SIZE
+          value: {{ include "max.grpc.message.size" . }}
         ports:
         - containerPort: 9010
           name: metrics

charts/ecosystem/templates/resource-monitor.yaml

@@ -118,6 +118,8 @@ spec:
         - name: JDK_JAVA_OPTIONS
           value: -Djavax.net.ssl.trustStore=/galasa/certificates/cacerts
         {{- end }}
+        - name: MAX_GRPC_MESSAGE_SIZE
+          value: {{ include "max.grpc.message.size" . }}
         ports:
         - containerPort: 9010
           name: metrics

charts/ecosystem/values.yaml

@@ -607,6 +607,19 @@ resourceMonitor:
     limits:
       memory: "500Mi"
 #
+#
+#
+# Optional. Sets the maximum message size in bytes allowed for a single gRPC frame.
+# This will be used by the KVClient that is set up to interact with the etcd3 cluster.
+# 
+# The default value for this is 4194304.
+# 
+# The maximum value this can be set to is 2147483647.
+#
+# Example value: "4194304"
+#
+maxgRPCMessageSize: ""
+#
 # The global Log4j2 configuration properties applied to all Galasa service pods.
 # By default, a console appender with debug level logging is configured to send logs to stdout.
 #