feat: Add AWS_SNS_TOPIC_ARN semantic convention support for AWS SNS SDK

plugins/node/opentelemetry-instrumentation-aws-sdk/package.json

@@ -47,7 +47,7 @@
     "@opentelemetry/core": "^2.0.0",
     "@opentelemetry/instrumentation": "^0.202.0",
     "@opentelemetry/propagation-utils": "^0.31.2",
-    "@opentelemetry/semantic-conventions": "^1.31.0"
+    "@opentelemetry/semantic-conventions": "^1.34.0"
   },
   "devDependencies": {
     "@aws-sdk/client-bedrock-runtime": "^3.587.0",

plugins/node/opentelemetry-instrumentation-aws-sdk/src/semconv.ts

@@ -158,3 +158,13 @@ export const GEN_AI_TOKEN_TYPE_VALUE_INPUT = 'input' as const;
  * Enum value "output" for attribute {@link ATTR_GEN_AI_TOKEN_TYPE}.
  */
 export const GEN_AI_TOKEN_TYPE_VALUE_OUTPUT = 'output' as const;
+
+/**
+ * Originally from '@opentelemetry/semantic-conventions/incubating'
+ * https://github.com/open-telemetry/semantic-conventions/blob/main/docs/registry/attributes/aws.md#amazon-sns-attributes
+ * The ARN of the AWS SNS Topic. An Amazon SNS [topic](https://docs.aws.amazon.com/sns/latest/dg/sns-create-topic.html)
+ *  is a logical access point that acts as a communication channel.
+ * @example arn:aws:sns:us-east-1:123456789012:mystack-mytopic-NZJ5JSMVGFIE
+ * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
+ */
+export const ATTR_AWS_SNS_TOPIC_ARN = 'aws.sns.topic.arn' as const;

plugins/node/opentelemetry-instrumentation-aws-sdk/src/services/sns.ts

@@ -20,6 +20,7 @@ import {
   SEMATTRS_MESSAGING_DESTINATION_KIND,
   SEMATTRS_MESSAGING_SYSTEM,
 } from '@opentelemetry/semantic-conventions';
+import { ATTR_AWS_SNS_TOPIC_ARN } from '../semconv';
 import {
   NormalizedRequest,
   NormalizedResponse,
@@ -58,6 +59,11 @@ export class SnsServiceExtension implements ServiceExtension {
       } send`;
     }
 
+    const topicArn = request.commandInput?.TopicArn;
+    if (topicArn) {
+      spanAttributes[ATTR_AWS_SNS_TOPIC_ARN] = topicArn;
+    }
+
     return {
       isIncoming: false,
       spanAttributes,
@@ -83,7 +89,12 @@ export class SnsServiceExtension implements ServiceExtension {
     span: Span,
     tracer: Tracer,
     config: AwsSdkInstrumentationConfig
-  ): void {}
+  ): void {
+    const topicArn = response.data?.TopicArn;
+    if (topicArn) {
+      span.setAttribute(ATTR_AWS_SNS_TOPIC_ARN, topicArn);
+    }
+  }
 
   extractDestinationName(
     topicArn: string,

plugins/node/opentelemetry-instrumentation-aws-sdk/test/mock-responses/sns-create-topic.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0"?>
+<CreateTopicResponse xmlns="https://sns.amazonaws.com/doc/2010-03-31/">
+    <CreateTopicResult>
+        <TopicArn>arn:aws:sns:us-east-1:123456789012:sns-topic-foo</TopicArn>
+    </CreateTopicResult>
+    <ResponseMetadata>
+        <RequestId>d74b8436-ae13-5ab4-a9ff-ce54dfea72a0</RequestId>
+    </ResponseMetadata>
+</CreateTopicResponse>

plugins/node/opentelemetry-instrumentation-aws-sdk/test/sns.test.ts

@@ -27,28 +27,30 @@ import {
   SEMATTRS_MESSAGING_SYSTEM,
   SEMATTRS_RPC_METHOD,
 } from '@opentelemetry/semantic-conventions';
+import { ATTR_AWS_SNS_TOPIC_ARN } from '@opentelemetry/semantic-conventions/incubating';
 import { SpanKind } from '@opentelemetry/api';
 
 describe('SNS - v3', () => {
   let sns: any;
-  beforeEach(() => {
-    sns = new SNSv3({
-      region: 'us-east-1',
-      credentials: {
-        accessKeyId: 'abcde',
-        secretAccessKey: 'abcde',
-      },
-    });
-
-    nock('https://sns.us-east-1.amazonaws.com/')
-      .post('/')
-      .reply(
-        200,
-        fs.readFileSync('./test/mock-responses/sns-publish.xml', 'utf8')
-      );
-  });
 
   describe('publish', () => {
+    beforeEach(() => {
+      sns = new SNSv3({
+        region: 'us-east-1',
+        credentials: {
+          accessKeyId: 'abcde',
+          secretAccessKey: 'abcde',
+        },
+      });
+
+      nock('https://sns.us-east-1.amazonaws.com/')
+        .post('/')
+        .reply(
+          200,
+          fs.readFileSync('./test/mock-responses/sns-publish.xml', 'utf8')
+        );
+    });
+
     it('topic arn', async () => {
       const topicV3Name = 'dummy-sns-v3-topic';
       const topicV3ARN = `arn:aws:sns:us-east-1:000000000:${topicV3Name}`;
@@ -73,6 +75,7 @@ describe('SNS - v3', () => {
       expect(publishSpan.attributes['messaging.destination.name']).toBe(
         topicV3ARN
       );
+      expect(publishSpan.attributes[ATTR_AWS_SNS_TOPIC_ARN]).toBe(topicV3ARN);
       expect(publishSpan.attributes[SEMATTRS_RPC_METHOD]).toBe('Publish');
       expect(publishSpan.attributes[SEMATTRS_MESSAGING_SYSTEM]).toBe('aws.sns');
       expect(publishSpan.kind).toBe(SpanKind.PRODUCER);
@@ -93,6 +96,41 @@ describe('SNS - v3', () => {
       expect(publishSpan.attributes[SEMATTRS_MESSAGING_DESTINATION]).toBe(
         PhoneNumber
       );
+      expect(publishSpan.attributes[ATTR_AWS_SNS_TOPIC_ARN]).toBeUndefined();
+    });
+  });
+
+  describe('Create Topic', () => {
+    beforeEach(() => {
+      sns = new SNSv3({
+        region: 'us-east-1',
+        credentials: {
+          accessKeyId: 'abcde',
+          secretAccessKey: 'abcde',
+        },
+      });
+
+      nock('https://sns.us-east-1.amazonaws.com/')
+        .post('/')
+        .reply(
+          200,
+          fs.readFileSync('./test/mock-responses/sns-create-topic.xml', 'utf8')
+        );
+    });
+
+    it('should create topic ARN and capture expected trace attributes', async () => {
+      const topicName = 'sns-topic-foo';
+      const topicArn = `arn:aws:sns:us-east-1:123456789012:${topicName}`;
+      await sns.createTopic({
+        Name: topicName,
+      });
+      const createTopicSpans = getTestSpans().filter(
+        (s: ReadableSpan) => s.name === 'SNS CreateTopic'
+      );
+      expect(createTopicSpans.length).toBe(1);
+      const span = createTopicSpans[0];
+      expect(span.attributes[ATTR_AWS_SNS_TOPIC_ARN]).toBe(topicArn);
+      expect(span.kind).toBe(SpanKind.CLIENT);
     });
   });
 });