feat(core): Add instrumenter option to ClientOptions

packages/node/src/sdk.ts

@@ -148,6 +148,10 @@ export function init(options: NodeOptions = {}): void {
     options.autoSessionTracking = true;
   }
 
+  if (options.instrumenter === undefined) {
+    options.instrumenter = 'sentry';
+  }
+
   // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-explicit-any
   if ((domain as any).active) {
     setHubOnCarrier(carrier, getCurrentHub());

packages/node/test/index.test.ts

@@ -16,6 +16,7 @@ import {
 } from '../src';
 import { ContextLines, LinkedErrors } from '../src/integrations';
 import { defaultStackParser } from '../src/sdk';
+import { NodeClientOptions } from '../src/types';
 import { getDefaultNodeClientOptions } from './helper/node-client-options';
 
 jest.mock('@sentry/core', () => {
@@ -466,4 +467,22 @@ describe('SentryNode initialization', () => {
       expect(options.autoSessionTracking).toBe(undefined);
     });
   });
+
+  describe('instrumenter', () => {
+    it('defaults to sentry instrumenter', () => {
+      init({ dsn });
+
+      const instrumenter = (getCurrentHub()?.getClient()?.getOptions() as NodeClientOptions).instrumenter;
+
+      expect(instrumenter).toEqual('sentry');
+    });
+
+    it('allows to set instrumenter', () => {
+      init({ dsn, instrumenter: 'otel' });
+
+      const instrumenter = (getCurrentHub()?.getClient()?.getOptions() as NodeClientOptions).instrumenter;
+
+      expect(instrumenter).toEqual('otel');
+    });
+  });
 });

packages/types/src/index.ts

@@ -92,3 +92,4 @@ export type {
 } from './transport';
 export type { User, UserFeedback } from './user';
 export type { WrappedFunction } from './wrappedfunction';
+export type { Instrumenter } from './instrumenter';

packages/types/src/instrumenter.ts

@@ -0,0 +1 @@
+export type Instrumenter = 'sentry' | 'otel';

packages/types/src/options.ts

@@ -1,5 +1,6 @@
 import { Breadcrumb, BreadcrumbHint } from './breadcrumb';
 import { Event, EventHint } from './event';
+import { Instrumenter } from './instrumenter';
 import { Integration } from './integration';
 import { CaptureContext } from './scope';
 import { SdkMetadata } from './sdkmetadata';
@@ -58,6 +59,15 @@ export interface ClientOptions<TO extends BaseTransportOptions = BaseTransportOp
    */
   integrations: Integration[];
 
+  /**
+   * The instrumenter to use. Defaults to `sentry`.
+   * When not set to `sentry`, auto-instrumentation inside of Sentry will be disabled,
+   * in favor of using external auto instrumentation.
+   *
+   * NOTE: Any option except for `sentry` is highly experimental and subject to change!
+   */
+  instrumenter?: Instrumenter;
+
   /**
    * A function that takes transport options and returns the Transport object which is used to send events to Sentry.
    * The function is invoked internally when the client is initialized.