chore: update http example (#3651)

* update versions in http example

* use newer active span methods for http example

* fix(changelog): add changelog entry

* Add http example to lerna

---------

Co-authored-by: Daniel Dyla <dyladan@users.noreply.github.com>

CHANGELOG.md

@@ -27,6 +27,8 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 
 ### :books: (Refine Doc)
 
+* chore: update http example [#3651](https://github.com/open-telemetry/opentelemetry-js/pull/3651) @JamieDanielson
+
 ### :house: (Internal)
 
 * fix(sdk-metrics): fix flaky LastValueAggregator test by using fake timer [#3587](https://github.com/open-telemetry/opentelemetry-js/pull/3587) @pichlermarc

examples/http/client.js

@@ -9,8 +9,7 @@ function makeRequest() {
   // span corresponds to outgoing requests. Here, we have manually created
   // the span, which is created to track work that happens outside of the
   // request lifecycle entirely.
-  const span = tracer.startSpan('makeRequest');
-  api.context.with(api.trace.setSpan(api.context.active(), span), () => {
+  tracer.startActiveSpan('makeRequest', (span) => {
     http.get({
       host: 'localhost',
       port: 8080,

examples/http/package.json

@@ -1,7 +1,7 @@
 {
   "name": "http-example",
   "private": true,
-  "version": "0.25.0",
+  "version": "0.35.1",
   "description": "Example of HTTP integration with OpenTelemetry",
   "main": "index.js",
   "scripts": {
@@ -28,15 +28,15 @@
     "url": "https://github.com/open-telemetry/opentelemetry-js/issues"
   },
   "dependencies": {
-    "@opentelemetry/api": "^1.0.2",
-    "@opentelemetry/exporter-jaeger": "0.25.0",
-    "@opentelemetry/exporter-zipkin": "0.25.0",
-    "@opentelemetry/instrumentation": "0.25.0",
-    "@opentelemetry/instrumentation-http": "0.25.0",
-    "@opentelemetry/resources": "0.25.0",
-    "@opentelemetry/semantic-conventions": "0.25.0",
-    "@opentelemetry/sdk-trace-node": "0.25.0",
-    "@opentelemetry/sdk-trace-base": "0.25.0"
+    "@opentelemetry/api": "^1.3.0",
+    "@opentelemetry/exporter-jaeger": "1.9.1",
+    "@opentelemetry/exporter-zipkin": "1.9.1",
+    "@opentelemetry/instrumentation": "0.35.1",
+    "@opentelemetry/instrumentation-http": "0.35.1",
+    "@opentelemetry/resources": "1.9.1",
+    "@opentelemetry/semantic-conventions": "1.9.1",
+    "@opentelemetry/sdk-trace-node": "1.9.1",
+    "@opentelemetry/sdk-trace-base": "1.9.1"
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js/tree/main/examples/http",
   "devDependencies": {

examples/http/server.js

@@ -19,9 +19,10 @@ function startServer(port) {
 
 /** A function which handles requests and send response. */
 function handleRequest(request, response) {
-  const currentSpan = api.trace.getSpan(api.context.active());
+  const currentSpan = api.trace.getActiveSpan();
   // display traceid in the terminal
-  console.log(`traceid: ${currentSpan.spanContext().traceId}`);
+  const traceId = currentSpan.spanContext().traceId;
+  console.log(`traceId: ${traceId}`);
   const span = tracer.startSpan('handleRequest', {
     kind: 1, // server
     attributes: { key: 'value' },

lerna.json

@@ -11,6 +11,7 @@
     "selenium-tests",
     "examples/otlp-exporter-node",
     "examples/opentelemetry-web",
+    "examples/http",
     "examples/https"
   ]
 }