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docs(examples): Enable end to end tracing for SQS batch example. #1995

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Jul 30, 2025
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docs(examples): Enable end to end tracing for SQS batch example. #1995

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2 changes: 1 addition & 1 deletion examples/powertools-examples-batch/deploy/sqs/template.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,7 @@ Resources:
DemoSQSSenderFunction:
Type: AWS::Serverless::Function
Properties:
Tracing: Active
CodeUri: ../..
Handler: org.demo.batch.sqs.SqsBatchSender::handleRequest
Environment:
Expand Down Expand Up @@ -173,7 +174,6 @@ Resources:
Action:
- s3:PutObject
Resource: !Sub ${Bucket.Arn}/*

Events:
MySQSEvent:
Type: SQS
Expand Down
15 changes: 8 additions & 7 deletions ...s/powertools-examples-batch/src/main/java/org/demo/batch/sqs/AbstractSqsBatchHandler.java
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Expand Up @@ -14,21 +14,22 @@

package org.demo.batch.sqs;

import com.amazonaws.services.lambda.runtime.Context;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Random;

import org.demo.batch.model.Product;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;

import com.fasterxml.jackson.databind.ObjectMapper;

import software.amazon.awssdk.core.sync.RequestBody;
import software.amazon.awssdk.http.urlconnection.UrlConnectionHttpClient;
import software.amazon.awssdk.services.s3.S3Client;
import software.amazon.awssdk.services.s3.model.PutObjectRequest;
import software.amazon.lambda.powertools.logging.Logging;
import software.amazon.lambda.powertools.tracing.Tracing;
import software.amazon.lambda.powertools.tracing.TracingUtils;

Expand All @@ -43,23 +44,23 @@ public class AbstractSqsBatchHandler {
* Simulate some processing (I/O + S3 put request)
* @param p deserialized product
*/
@Logging
@Tracing
protected void processMessage(Product p) {
TracingUtils.putAnnotation("productId", p.getId());
TracingUtils.putAnnotation("Thread", Thread.currentThread().getName());
MDC.put("product", String.valueOf(p.getId()));
LOGGER.info("Processing product {}", p);

char c = (char)(r.nextInt(26) + 'a');
char c = (char) (r.nextInt(26) + 'a');
char[] chars = new char[1024 * 1000];
Arrays.fill(chars, c);
p.setName(new String(chars));
try {
File file = new File("/tmp/"+p.getId()+".json");
File file = new File("/tmp/" + p.getId() + ".json");
mapper.writeValue(file, p);
s3.putObject(
PutObjectRequest.builder().bucket(bucket).key(p.getId()+".json").build(), RequestBody.fromFile(file));
PutObjectRequest.builder().bucket(bucket).key(p.getId() + ".json").build(),
RequestBody.fromFile(file));
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
Expand Down
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