fix(sdk): support parameters needed by Sentry SDK (#360)

Author: nirga

packages/traceloop-sdk/src/lib/interfaces/initialize-options.interface.ts

@@ -1,5 +1,5 @@
-import { SpanExporter } from "@opentelemetry/sdk-trace-base";
-
+import { SpanExporter, SpanProcessor } from "@opentelemetry/sdk-trace-base";
+import { TextMapPropagator, ContextManager } from "@opentelemetry/api";
 import type * as openai from "openai";
 import type * as anthropic from "@anthropic-ai/sdk";
 import type * as azure from "@azure/openai";
@@ -67,6 +67,24 @@ export interface InitializeOptions {
    */
   exporter?: SpanExporter;
 
+  /**
+   * The OpenTelemetry SpanProcessor to be used for processing traces data. Optional.
+   * Defaults to the BatchSpanProcessor.
+   */
+  processor?: SpanProcessor;
+
+  /**
+   * The OpenTelemetry Propagator to use. Optional.
+   * Defaults to OpenTelemetry SDK defaults.
+   */
+  propagator?: TextMapPropagator;
+
+  /**
+   * The OpenTelemetry ContextManager to use. Optional.
+   * Defaults to OpenTelemetry SDK defaults.
+   */
+  contextManager?: ContextManager;
+
   /**
    * Explicitly specify modules to instrument. Optional.
    * This is a workaround specific to Next.js, see https://www.traceloop.com/docs/openllmetry/getting-started-nextjs

packages/traceloop-sdk/src/lib/tracing/index.ts

@@ -3,6 +3,7 @@ import { NodeSDK } from "@opentelemetry/sdk-node";
 import {
   SimpleSpanProcessor,
   BatchSpanProcessor,
+  SpanProcessor,
 } from "@opentelemetry/sdk-trace-node";
 import { Span, context, diag } from "@opentelemetry/api";
 import { OTLPTraceExporter } from "@opentelemetry/exporter-trace-otlp-proto";
@@ -281,12 +282,19 @@ export const startTracing = (options: InitializeOptions) => {
     });
   }
 
+  const spanProcessors: SpanProcessor[] = [_spanProcessor];
+  if (options.processor) {
+    spanProcessors.push(options.processor);
+  }
+
   _sdk = new NodeSDK({
     resource: new Resource({
       [SEMRESATTRS_SERVICE_NAME]:
         options.appName || process.env.npm_package_name,
     }),
-    spanProcessors: [_spanProcessor],
+    spanProcessors,
+    contextManager: options.contextManager,
+    textMapPropagator: options.propagator,
     traceExporter,
     instrumentations,
     // We should re-consider removing unrelevant spans here in the future