exporting traceexporter via config

Author: bhogayatakb

packages/config.js

@@ -2,6 +2,7 @@ const {diag, DiagConsoleLogger, DiagLogLevel} = require('@opentelemetry/api');
 const process = require('process');
 const tracer = require('./tracer-collector');
 const metrics = require('./metrics-collector');
+const {OTLPTraceExporter} = require('@opentelemetry/exporter-trace-otlp-grpc');
 
 const configDefault = {
     'DEBUG' : DiagLogLevel.NONE,
@@ -19,6 +20,7 @@ const configDefault = {
     'accessToken': '',
     'tenantID': '',
     'mwAuthURL': 'https://app.middleware.io/api/v1/auth',
+    'traceExporter': {},
 }
 
 module.exports.init = (config = {}) => {
@@ -30,6 +32,11 @@ module.exports.init = (config = {}) => {
         configDefault['host'] = process.env.MW_AGENT_SERVICE
         configDefault['hostUrl'] = process.env.MW_AGENT_SERVICE+":"+configDefault.port.grpc
     }
+
+    configDefault['traceExporter'] = new OTLPTraceExporter({
+        url: configDefault['hostUrl'],
+    }),
+
     diag.setLogger(new DiagConsoleLogger(), configDefault['DEBUG'] ? DiagLogLevel.DEBUG : DiagLogLevel.NONE);
     if (configDefault['collectMetrics']) {metrics.init(configDefault)}
     tracer.init(configDefault)

packages/init.js

@@ -9,6 +9,7 @@ module.exports.track = (newConfig = {}) => {
     config = require('./config').init(newConfig)
     logger = require('./logger').init(config);
     profiler = require('./profiler').init(config);
+    return config
 };
 
 module.exports.error = (message) => {

packages/profiler.js

@@ -28,7 +28,6 @@ module.exports.init = async (config) => {
                     appName: config.serviceName,
                     tenantID: config.TenantID,
                 });
-
                 Pyroscope.start()
               } else {
                 console.log('Failed to retrieve TenantID from API response');

packages/tracer-collector.js

@@ -10,9 +10,7 @@ module.exports.init =  (config) => {
         const {Resource} = require("@opentelemetry/resources");
         const {SemanticResourceAttributes} = require("@opentelemetry/semantic-conventions");
         const sdk = new opentelemetry.NodeSDK({
-            traceExporter: new OTLPTraceExporter({
-                url: config.hostUrl,
-            }),
+            traceExporter: config.traceExporter,
             instrumentations: [
                 getNodeAutoInstrumentations({}),
                 new GrpcInstrumentation({
@@ -25,6 +23,7 @@ module.exports.init =  (config) => {
             ['mw_agent']: true,
             ['project.name']:config.projectName,
         }))
+        console.log('Tracing initialized ---------');
         sdk.start()
             .then(() => {})
             .catch((error) => console.log('Error initializing tracing', error));