feature(frontend): adding synthetic attribute flag to FE instrumentation

src/frontend/Dockerfile

@@ -18,7 +18,7 @@ RUN npm run build
 
 FROM node:18-alpine AS runner
 WORKDIR /app
-RUN apk add --no-cache protoc
+RUN apk add --no-cache protobuf-dev protoc
 
 ENV NODE_ENV=production
 

src/frontend/utils/telemetry/FrontendTracer.ts

@@ -43,6 +43,9 @@ const FrontendTracer = async (collectorString: string) => {
         '@opentelemetry/instrumentation-fetch': {
           propagateTraceHeaderCorsUrls: /.*/,
           clearTimingResources: true,
+          applyCustomAttributesOnSpan(span) {
+            span.setAttribute('app.synthetic_request', 'false');
+          },
         },
       }),
     ],

src/frontend/utils/telemetry/Instrumentation.js

@@ -1,10 +1,16 @@
-const opentelemetry = require("@opentelemetry/sdk-node")
-const { getNodeAutoInstrumentations } = require("@opentelemetry/auto-instrumentations-node")
-const { OTLPTraceExporter } =  require('@opentelemetry/exporter-trace-otlp-grpc')
+const opentelemetry = require('@opentelemetry/sdk-node');
+const { getNodeAutoInstrumentations } = require('@opentelemetry/auto-instrumentations-node');
+const { OTLPTraceExporter } = require('@opentelemetry/exporter-trace-otlp-grpc');
 
 const sdk = new opentelemetry.NodeSDK({
   traceExporter: new OTLPTraceExporter(),
-  instrumentations: [ getNodeAutoInstrumentations() ]
-})
+  instrumentations: [
+    getNodeAutoInstrumentations({
+      '@opentelemetry/instrumentation-fs': {
+        enabled: false,
+      },
+    }),
+  ],
+});
 
-sdk.start()
+sdk.start();