feat(config): add serviceNodeName

README.md

@@ -62,6 +62,7 @@ Data sent to the APM Server as part of the metadata package:
 - `agentName` - (required) The APM agent name
 - `agentVersion` - (required) The APM agent version
 - `serviceName` - (required) The name of the service being instrumented
+- `serviceNodeName` - (optional) Unique name of the service being instrumented
 - `serviceVersion` - The version of the service being instrumented
 - `frameworkName` - If the service being instrumented is running a
   specific framework, use this config option to log its name

index.js

@@ -560,7 +560,8 @@ function getMetadata (opts) {
         version: opts.agentVersion
       },
       framework: undefined,
-      version: undefined
+      version: undefined,
+      node: undefined
     },
     process: {
       pid: process.pid,
@@ -578,6 +579,12 @@ function getMetadata (opts) {
     labels: opts.globalLabels
   }
 
+  if (opts.serviceNodeName) {
+    payload.service.node = {
+      configured_name: opts.serviceNodeName
+    }
+  }
+
   if (opts.serviceVersion) payload.service.version = opts.serviceVersion
 
   if (opts.frameworkName || opts.frameworkVersion) {

test/config.js

@@ -155,6 +155,7 @@ test('metadata', function (t) {
     agentName: 'custom-agentName',
     agentVersion: 'custom-agentVersion',
     serviceName: 'custom-serviceName',
+    serviceNodeName: 'custom-serviceNodeName',
     serviceVersion: 'custom-serviceVersion',
     frameworkName: 'custom-frameworkName',
     frameworkVersion: 'custom-frameworkVersion',
@@ -175,7 +176,6 @@ test('metadata', function (t) {
           service: {
             name: 'custom-serviceName',
             environment: 'production',
-            version: 'custom-serviceVersion',
             runtime: {
               name: 'node',
               version: process.versions.node
@@ -190,6 +190,10 @@ test('metadata', function (t) {
             framework: {
               name: 'custom-frameworkName',
               version: 'custom-frameworkVersion'
+            },
+            version: 'custom-serviceVersion',
+            node: {
+              configured_name: 'custom-serviceNodeName'
             }
           },
           process: {