fix(instrumentation-http): include query params in http.target (#3646)

* fix: set http.target as path (like spec) and not pathname

* fix: set http.target as path (like spec) and not pathname

* fix: set http.target as path (like spec) and not pathname

Author: kobi-co

CHANGELOG.md

@@ -23,6 +23,7 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 ### :bug: (Bug Fix)
 
 * fix(core): added falsy check to make otel core work with browser where webpack config had process as false or null [#3613](https://github.com/open-telemetry/opentelemetry-js/issues/3613) @ravindra-dyte
+* fix(instrumentation-http): include query params in http.target [#3646](https://github.com/open-telemetry/opentelemetry-js/pull/3646) @kobi-co
 
 ### :books: (Refine Doc)
 

experimental/packages/opentelemetry-instrumentation-http/src/utils.ts

@@ -484,7 +484,7 @@ export const getIncomingRequestAttributes = (
   }
 
   if (requestUrl) {
-    attributes[SemanticAttributes.HTTP_TARGET] = requestUrl.pathname || '/';
+    attributes[SemanticAttributes.HTTP_TARGET] = requestUrl.path || '/';
   }
 
   if (userAgent !== undefined) {

experimental/packages/opentelemetry-instrumentation-http/test/functionals/utils.test.ts

@@ -503,6 +503,23 @@ describe('Utility', () => {
       });
       assert.strictEqual(attributes[SemanticAttributes.HTTP_ROUTE], undefined);
     });
+
+    it('should set http.target as path in http span attributes', () => {
+      const request = {
+        url: 'http://hostname/user/?q=val',
+        method: 'GET',
+      } as IncomingMessage;
+      request.headers = {
+        'user-agent': 'chrome',
+      };
+      const attributes = utils.getIncomingRequestAttributes(request, {
+        component: 'http',
+      });
+      assert.strictEqual(
+        attributes[SemanticAttributes.HTTP_TARGET],
+        '/user/?q=val'
+      );
+    });
   });
 
   describe('headers to span attributes capture', () => {