feat(core): Add OpenTelemetry-specific getTraceData implementation (#…

…13281) Add an Otel-specific implementation of `getTraceData` and add the `getTraceData` function to the `AsyncContextStrategy` interface. This allows us to dynamically choose either the default implementation (which works correctly for browser/non-POTEL SDKs) and the Otel-specific version.
getsentry · Aug 12, 2024 · 5aef4a0 · 5aef4a0
1 parent 0654dd0
commit 5aef4a0
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Showing 12 changed files with 192 additions and 89 deletions.
diff --git a/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/server.js b/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/server.js
@@ -0,0 +1,32 @@
+const { loggingTransport } = require('@sentry-internal/node-integration-tests');
+const Sentry = require('@sentry/node');
+
+Sentry.init({
+  dsn: 'https://[email protected]/1337',
+  transport: loggingTransport,
+});
+
+// express must be required after Sentry is initialized
+const express = require('express');
+const { startExpressServerAndSendPortToRunner } = require('@sentry-internal/node-integration-tests');
+
+const app = express();
+
+app.get('/test', (_req, res) => {
+  res.send({
+    response: `
+    <html>
+      <head>
+        ${Sentry.getTraceMetaTags()}
+      </head>
+      <body>
+        Hi :)
+      </body>
+    </html>
+    `,
+  });
+});
+
+Sentry.setupExpressErrorHandler(app);
+
+startExpressServerAndSendPortToRunner(app);
diff --git a/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/test.ts b/dev-packages/node-integration-tests/suites/tracing/meta-tags-twp/test.ts
@@ -0,0 +1,31 @@
+import { cleanupChildProcesses, createRunner } from '../../../utils/runner';
+
+describe('getTraceMetaTags', () => {
+  afterAll(() => {
+    cleanupChildProcesses();
+  });
+
+  test('injects sentry tracing <meta> tags without sampled flag for Tracing Without Performance', async () => {
+    const runner = createRunner(__dirname, 'server.js').start();
+
+    const response = await runner.makeRequest('get', '/test');
+
+    // @ts-ignore - response is defined, types just don't reflect it
+    const html = response?.response as unknown as string;
+
+    const [, traceId, spanId] = html.match(/<meta name="sentry-trace" content="([a-f0-9]{32})-([a-f0-9]{16})"\/>/) || [
+      undefined,
+      undefined,
+      undefined,
+    ];
+
+    expect(traceId).toBeDefined();
+    expect(spanId).toBeDefined();
+
+    const sentryBaggageContent = html.match(/<meta name="baggage" content="(.*)"\/>/)?.[1];
+
+    expect(sentryBaggageContent).toContain('sentry-environment=production');
+    expect(sentryBaggageContent).toContain('sentry-public_key=public');
+    expect(sentryBaggageContent).toContain(`sentry-trace_id=${traceId}`);
+  });
+});
diff --git a/packages/astro/src/server/middleware.ts b/packages/astro/src/server/middleware.ts
@@ -11,7 +11,7 @@ import {
   startSpan,
   withIsolationScope,
 } from '@sentry/node';
-import type { Client, Scope, Span, SpanAttributes } from '@sentry/types';
+import type { Scope, SpanAttributes } from '@sentry/types';
 import {
   addNonEnumerableProperty,
   objectify,
@@ -151,7 +151,6 @@ async function instrumentRequest(
               setHttpStatus(span, originalResponse.status);
             }
 
-            const scope = getCurrentScope();
             const client = getClient();
             const contentType = originalResponse.headers.get('content-type');
 
@@ -175,7 +174,7 @@ async function instrumentRequest(
               start: async controller => {
                 for await (const chunk of originalBody) {
                   const html = typeof chunk === 'string' ? chunk : decoder.decode(chunk, { stream: true });
-                  const modifiedHtml = addMetaTagToHead(html, scope, client, span);
+                  const modifiedHtml = addMetaTagToHead(html);
                   controller.enqueue(new TextEncoder().encode(modifiedHtml));
                 }
                 controller.close();
@@ -199,11 +198,11 @@ async function instrumentRequest(
  * This function optimistically assumes that the HTML coming in chunks will not be split
  * within the <head> tag. If this still happens, we simply won't replace anything.
  */
-function addMetaTagToHead(htmlChunk: string, scope: Scope, client: Client, span?: Span): string {
+function addMetaTagToHead(htmlChunk: string): string {
   if (typeof htmlChunk !== 'string') {
     return htmlChunk;
   }
-  const metaTags = getTraceMetaTags(span, scope, client);
+  const metaTags = getTraceMetaTags();
 
   if (!metaTags) {
     return htmlChunk;

diff --git a/packages/core/src/asyncContext/types.ts b/packages/core/src/asyncContext/types.ts
@@ -1,4 +1,5 @@
 import type { Scope } from '@sentry/types';
+import type { getTraceData } from '../utils/traceData';
 import type {
   startInactiveSpan,
   startSpan,
@@ -64,4 +65,7 @@ export interface AsyncContextStrategy {
 
   /** Suppress tracing in the given callback, ensuring no spans are generated inside of it.  */
   suppressTracing?: typeof suppressTracing;
+
+  /** Get trace data as serialized string values for propagation via `sentry-trace` and `baggage`. */
+  getTraceData?: typeof getTraceData;
 }
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
@@ -1,4 +1,4 @@
-export type { ClientClass } from './sdk';
+export type { ClientClass as SentryCoreCurrentScopes } from './sdk';
 export type { AsyncContextStrategy } from './asyncContext/types';
 export type { Carrier } from './carrier';
 export type { OfflineStore, OfflineTransportOptions } from './transports/offline';

diff --git a/packages/core/src/utils/meta.ts b/packages/core/src/utils/meta.ts
@@ -1,4 +1,3 @@
-import type { Client, Scope, Span } from '@sentry/types';
 import { getTraceData } from './traceData';
 
 /**
@@ -22,8 +21,8 @@ import { getTraceData } from './traceData';
  * ```
  *
  */
-export function getTraceMetaTags(span?: Span, scope?: Scope, client?: Client): string {
-  return Object.entries(getTraceData(span, scope, client))
+export function getTraceMetaTags(): string {
+  return Object.entries(getTraceData())
     .map(([key, value]) => `<meta name="${key}" content="${value}"/>`)
     .join('\n');
 }
diff --git a/packages/core/src/utils/traceData.ts b/packages/core/src/utils/traceData.ts
@@ -1,19 +1,16 @@
-import type { Client, Scope, Span } from '@sentry/types';
+import type { SerializedTraceData } from '@sentry/types';
 import {
   TRACEPARENT_REGEXP,
   dynamicSamplingContextToSentryBaggageHeader,
   generateSentryTraceHeader,
   logger,
 } from '@sentry/utils';
+import { getAsyncContextStrategy } from '../asyncContext';
+import { getMainCarrier } from '../carrier';
 import { getClient, getCurrentScope } from '../currentScopes';
 import { getDynamicSamplingContextFromClient, getDynamicSamplingContextFromSpan } from '../tracing';
 import { getActiveSpan, getRootSpan, spanToTraceHeader } from './spanUtils';
 
-type TraceData = {
-  'sentry-trace'?: string;
-  baggage?: string;
-};
-
 /**
  * Extracts trace propagation data from the current span or from the client's scope (via transaction or propagation
  * context) and serializes it to `sentry-trace` and `baggage` values to strings. These values can be used to propagate
@@ -22,29 +19,31 @@ type TraceData = {
  * This function also applies some validation to the generated sentry-trace and baggage values to ensure that
  * only valid strings are returned.
  *
- * @param span a span to take the trace data from. By default, the currently active span is used.
- * @param scope the scope to take trace data from By default, the active current scope is used.
- * @param client the SDK's client to take trace data from. By default, the current client is used.
- *
  * @returns an object with the tracing data values. The object keys are the name of the tracing key to be used as header
  * or meta tag name.
  */
-export function getTraceData(span?: Span, scope?: Scope, client?: Client): TraceData {
-  const clientToUse = client || getClient();
-  const scopeToUse = scope || getCurrentScope();
-  const spanToUse = span || getActiveSpan();
+export function getTraceData(): SerializedTraceData {
+  const carrier = getMainCarrier();
+  const acs = getAsyncContextStrategy(carrier);
+  if (acs.getTraceData) {
+    return acs.getTraceData();
+  }
+
+  const client = getClient();
+  const scope = getCurrentScope();
+  const span = getActiveSpan();
 
-  const { dsc, sampled, traceId } = scopeToUse.getPropagationContext();
-  const rootSpan = spanToUse && getRootSpan(spanToUse);
+  const { dsc, sampled, traceId } = scope.getPropagationContext();
+  const rootSpan = span && getRootSpan(span);
 
-  const sentryTrace = spanToUse ? spanToTraceHeader(spanToUse) : generateSentryTraceHeader(traceId, undefined, sampled);
+  const sentryTrace = span ? spanToTraceHeader(span) : generateSentryTraceHeader(traceId, undefined, sampled);
 
   const dynamicSamplingContext = rootSpan
     ? getDynamicSamplingContextFromSpan(rootSpan)
     : dsc
       ? dsc
-      : clientToUse
-        ? getDynamicSamplingContextFromClient(traceId, clientToUse)
+      : client
+        ? getDynamicSamplingContextFromClient(traceId, client)
         : undefined;
 
   const baggage = dynamicSamplingContextToSentryBaggageHeader(dynamicSamplingContext);

diff --git a/packages/core/test/lib/utils/traceData.test.ts b/packages/core/test/lib/utils/traceData.test.ts
@@ -1,5 +1,7 @@
 import { SentrySpan, getTraceData } from '../../../src/';
+import * as SentryCoreCurrentScopes from '../../../src/currentScopes';
 import * as SentryCoreTracing from '../../../src/tracing';
+import * as SentryCoreSpanUtils from '../../../src/utils/spanUtils';
 
 import { isValidBaggageString } from '../../../src/utils/traceData';
 
@@ -25,33 +27,38 @@ describe('getTraceData', () => {
       jest.spyOn(SentryCoreTracing, 'getDynamicSamplingContextFromSpan').mockReturnValueOnce({
         environment: 'production',
       });
+      jest.spyOn(SentryCoreSpanUtils, 'getActiveSpan').mockImplementationOnce(() => mockedSpan);
+      jest.spyOn(SentryCoreCurrentScopes, 'getCurrentScope').mockImplementationOnce(() => mockedScope);
 
-      const tags = getTraceData(mockedSpan, mockedScope, mockedClient);
+      const data = getTraceData();
 
-      expect(tags).toEqual({
+      expect(data).toEqual({
         'sentry-trace': '12345678901234567890123456789012-1234567890123456-1',
         baggage: 'sentry-environment=production',
       });
     }
   });
 
   it('returns propagationContext DSC data if no span is available', () => {
-    const traceData = getTraceData(
-      undefined,
-      {
-        getPropagationContext: () => ({
-          traceId: '12345678901234567890123456789012',
-          sampled: true,
-          spanId: '1234567890123456',
-          dsc: {
-            environment: 'staging',
-            public_key: 'key',
-            trace_id: '12345678901234567890123456789012',
-          },
-        }),
-      } as any,
-      mockedClient,
+    jest.spyOn(SentryCoreSpanUtils, 'getActiveSpan').mockImplementationOnce(() => undefined);
+    jest.spyOn(SentryCoreCurrentScopes, 'getCurrentScope').mockImplementationOnce(
+      () =>
+        ({
+          getPropagationContext: () => ({
+            traceId: '12345678901234567890123456789012',
+            sampled: true,
+            spanId: '1234567890123456',
+            dsc: {
+              environment: 'staging',
+              public_key: 'key',
+              trace_id: '12345678901234567890123456789012',
+            },
+          }),
+        }) as any,
     );
+    jest.spyOn(SentryCoreCurrentScopes, 'getClient').mockImplementationOnce(() => mockedClient);
+
+    const traceData = getTraceData();
 
     expect(traceData).toEqual({
       'sentry-trace': expect.stringMatching(/12345678901234567890123456789012-(.{16})-1/),
@@ -65,21 +72,22 @@ describe('getTraceData', () => {
       public_key: undefined,
     });
 
-    const traceData = getTraceData(
-      // @ts-expect-error - we don't need to provide all the properties
-      {
-        isRecording: () => true,
-        spanContext: () => {
-          return {
-            traceId: '12345678901234567890123456789012',
-            spanId: '1234567890123456',
-            traceFlags: TRACE_FLAG_SAMPLED,
-          };
-        },
+    // @ts-expect-error - we don't need to provide all the properties
+    jest.spyOn(SentryCoreSpanUtils, 'getActiveSpan').mockImplementationOnce(() => ({
+      isRecording: () => true,
+      spanContext: () => {
+        return {
+          traceId: '12345678901234567890123456789012',
+          spanId: '1234567890123456',
+          traceFlags: TRACE_FLAG_SAMPLED,
+        };
       },
-      mockedScope,
-      mockedClient,
-    );
+    }));
+
+    jest.spyOn(SentryCoreCurrentScopes, 'getCurrentScope').mockImplementationOnce(() => mockedScope);
+    jest.spyOn(SentryCoreCurrentScopes, 'getClient').mockImplementationOnce(() => mockedClient);
+
+    const traceData = getTraceData();
 
     expect(traceData).toEqual({
       'sentry-trace': '12345678901234567890123456789012-1234567890123456-1',
@@ -92,21 +100,21 @@ describe('getTraceData', () => {
       public_key: undefined,
     });
 
-    const traceData = getTraceData(
-      // @ts-expect-error - we don't need to provide all the properties
-      {
-        isRecording: () => true,
-        spanContext: () => {
-          return {
-            traceId: '12345678901234567890123456789012',
-            spanId: '1234567890123456',
-            traceFlags: TRACE_FLAG_SAMPLED,
-          };
-        },
+    // @ts-expect-error - we don't need to provide all the properties
+    jest.spyOn(SentryCoreSpanUtils, 'getActiveSpan').mockImplementationOnce(() => ({
+      isRecording: () => true,
+      spanContext: () => {
+        return {
+          traceId: '12345678901234567890123456789012',
+          spanId: '1234567890123456',
+          traceFlags: TRACE_FLAG_SAMPLED,
+        };
       },
-      mockedScope,
-      undefined,
-    );
+    }));
+    jest.spyOn(SentryCoreCurrentScopes, 'getCurrentScope').mockImplementationOnce(() => mockedScope);
+    jest.spyOn(SentryCoreCurrentScopes, 'getClient').mockImplementationOnce(() => undefined);
+
+    const traceData = getTraceData();
 
     expect(traceData).toEqual({
       'sentry-trace': '12345678901234567890123456789012-1234567890123456-1',
@@ -115,21 +123,19 @@ describe('getTraceData', () => {
   });
 
   it('returns an empty object if the `sentry-trace` value is invalid', () => {
-    const traceData = getTraceData(
-      // @ts-expect-error - we don't need to provide all the properties
-      {
-        isRecording: () => true,
-        spanContext: () => {
-          return {
-            traceId: '1234567890123456789012345678901+',
-            spanId: '1234567890123456',
-            traceFlags: TRACE_FLAG_SAMPLED,
-          };
-        },
+    // @ts-expect-error - we don't need to provide all the properties
+    jest.spyOn(SentryCoreSpanUtils, 'getActiveSpan').mockImplementationOnce(() => ({
+      isRecording: () => true,
+      spanContext: () => {
+        return {
+          traceId: '1234567890123456789012345678901+',
+          spanId: '1234567890123456',
+          traceFlags: TRACE_FLAG_SAMPLED,
+        };
       },
-      mockedScope,
-      mockedClient,
-    );
+    }));
+
+    const traceData = getTraceData();
 
     expect(traceData).toEqual({});
   });

diff --git a/packages/opentelemetry/src/asyncContextStrategy.ts b/packages/opentelemetry/src/asyncContextStrategy.ts
@@ -12,6 +12,7 @@ import { startInactiveSpan, startSpan, startSpanManual, withActiveSpan } from '.
 import type { CurrentScopes } from './types';
 import { getScopesFromContext } from './utils/contextData';
 import { getActiveSpan } from './utils/getActiveSpan';
+import { getTraceData } from './utils/getTraceData';
 import { suppressTracing } from './utils/suppressTracing';
 
 /**
@@ -102,9 +103,10 @@ export function setOpenTelemetryContextAsyncContextStrategy(): void {
     startSpanManual,
     startInactiveSpan,
     getActiveSpan,
+    suppressTracing,
+    getTraceData,
     // The types here don't fully align, because our own `Span` type is narrower
     // than the OTEL one - but this is OK for here, as we now we'll only have OTEL spans passed around
     withActiveSpan: withActiveSpan as typeof defaultWithActiveSpan,
-    suppressTracing: suppressTracing,
   });
 }