Merge pull request #841 from danischroeter/akkaShardingMetricsOptional

Allows to disable the akka remote sharding metrics

instrumentation/kamon-akka/src/common/resources/reference.conf

@@ -118,7 +118,6 @@ kamon.instrumentation.akka {
   }
 
   cluster-sharding {
-
     # Sets the interval at which the Shard metrics (sampling of hosted entities and processed messages across all
     # shards) will be sampled.
     shard-metrics-sample-interval = ${kamon.metric.tick-interval}
@@ -130,6 +129,7 @@ kanela.modules {
   akka {
     name = "Akka Instrumentation"
     description = "Provides metrics and message tracing for Akka Actor Systems, Actors, Routers and Dispatchers"
+    enabled = yes
 
     instrumentations = [
       "kamon.instrumentation.akka.instrumentations.EnvelopeInstrumentation",
@@ -156,10 +156,10 @@ kanela.modules {
   akka-remote {
     name = "Akka Remote Instrumentation"
     description = "Provides distributed Context propagation and Cluster Metrics for Akka"
+    enabled = yes
 
     instrumentations = [
       "kamon.instrumentation.akka.remote.MessageBufferInstrumentation",
-      "kamon.instrumentation.akka.remote.ShardingInstrumentation",
       "kamon.instrumentation.akka.instrumentations.akka_25.remote.RemotingInstrumentation"
       "kamon.instrumentation.akka.instrumentations.akka_26.remote.RemotingInstrumentation"
     ]
@@ -173,4 +173,23 @@ kanela.modules {
       "akka.serialization..*"
     ]
   }
+
+  akka-remote-sharding {
+    name = "Akka Remote Cluster Sharding Monitoring"
+    description = "Provides cluster sharding metrics for Akka"
+    enabled = yes
+
+    instrumentations = [
+      "kamon.instrumentation.akka.remote.ShardingInstrumentation"
+    ]
+
+    within = [
+      "akka.dispatch..*",
+      "akka.util..*",
+      "akka.remote..*",
+      "akka.actor..*"
+      "akka.cluster..*"
+      "akka.serialization..*"
+    ]
+  }
 }