feat(v2): new logging module

docs/stylesheets/extra.css

@@ -1,5 +1,5 @@
 .md-grid {
-    max-width: 81vw
+    max-width: 90vw
 }
 
 .highlight .hll {

examples/pom.xml

@@ -23,7 +23,7 @@
     <version>2.0.0-SNAPSHOT</version>
     <packaging>pom</packaging>
 
-    <name>Powertools for AWS Lambda (Java) library Examples</name>
+    <name>Powertools for AWS Lambda (Java) - Examples</name>
     <description>
         A suite of examples accompanying for Powertools for AWS Lambda (Java).
     </description>

examples/powertools-examples-batch/pom.xml

@@ -8,13 +8,12 @@
     <version>2.0.0-SNAPSHOT</version>
     <artifactId>powertools-examples-batch</artifactId>
     <packaging>jar</packaging>
-    <name>Powertools for AWS Lambda (Java) library Examples - Batch</name>
+    <name>Powertools for AWS Lambda (Java) - Examples - Batch</name>
 
     <properties>
-        <log4j.version>2.20.0</log4j.version>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
-        <aspectj.version>1.9.20</aspectj.version>
+        <aspectj.version>1.9.20.1</aspectj.version>
         <sdk.version>2.21.1</sdk.version>
     </properties>
 
@@ -26,7 +25,7 @@
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
-            <artifactId>powertools-logging</artifactId>
+            <artifactId>powertools-logging-log4j</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

examples/powertools-examples-batch/src/main/java/org/demo/batch/dynamo/DynamoDBStreamBatchHandler.java

@@ -4,14 +4,14 @@
 import com.amazonaws.services.lambda.runtime.RequestHandler;
 import com.amazonaws.services.lambda.runtime.events.DynamodbEvent;
 import com.amazonaws.services.lambda.runtime.events.StreamsEventResponse;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import software.amazon.lambda.powertools.batch.BatchMessageHandlerBuilder;
 import software.amazon.lambda.powertools.batch.handler.BatchMessageHandler;
 
 public class DynamoDBStreamBatchHandler implements RequestHandler<DynamodbEvent, StreamsEventResponse> {
 
-    private final static Logger LOGGER = LogManager.getLogger(DynamoDBStreamBatchHandler.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(DynamoDBStreamBatchHandler.class);
     private final BatchMessageHandler<DynamodbEvent, StreamsEventResponse> handler;
 
     public DynamoDBStreamBatchHandler() {

examples/powertools-examples-batch/src/main/java/org/demo/batch/dynamo/DynamoDBWriter.java

@@ -8,8 +8,8 @@
 import java.util.UUID;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.demo.batch.model.DdbProduct;
 import software.amazon.awssdk.enhanced.dynamodb.DynamoDbEnhancedClient;
 import software.amazon.awssdk.enhanced.dynamodb.TableSchema;
@@ -21,7 +21,7 @@
 
 public class DynamoDBWriter implements RequestHandler<ScheduledEvent, String> {
 
-    private static final Logger LOGGER = LogManager.getLogger(DynamoDBWriter.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(DynamoDBWriter.class);
 
     private final DynamoDbEnhancedClient enhancedClient;
 

examples/powertools-examples-batch/src/main/java/org/demo/batch/kinesis/KinesisBatchHandler.java

@@ -4,15 +4,15 @@
 import com.amazonaws.services.lambda.runtime.RequestHandler;
 import com.amazonaws.services.lambda.runtime.events.KinesisEvent;
 import com.amazonaws.services.lambda.runtime.events.StreamsEventResponse;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.demo.batch.model.Product;
 import software.amazon.lambda.powertools.batch.BatchMessageHandlerBuilder;
 import software.amazon.lambda.powertools.batch.handler.BatchMessageHandler;
 
 public class KinesisBatchHandler implements RequestHandler<KinesisEvent, StreamsEventResponse> {
 
-    private final static Logger LOGGER = LogManager.getLogger(KinesisBatchHandler.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(KinesisBatchHandler.class);
     private final BatchMessageHandler<KinesisEvent, StreamsEventResponse> handler;
 
     public KinesisBatchHandler() {

examples/powertools-examples-batch/src/main/java/org/demo/batch/kinesis/KinesisBatchSender.java

@@ -10,8 +10,8 @@
 import java.security.SecureRandom;
 import java.util.List;
 import java.util.stream.IntStream;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.demo.batch.model.Product;
 import software.amazon.awssdk.core.SdkBytes;
 import software.amazon.awssdk.http.urlconnection.UrlConnectionHttpClient;
@@ -28,7 +28,7 @@
  */
 public class KinesisBatchSender implements RequestHandler<ScheduledEvent, String> {
 
-    private static final Logger LOGGER = LogManager.getLogger(KinesisBatchSender.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(KinesisBatchSender.class);
 
     private final KinesisClient kinesisClient;
     private final SecureRandom random;

examples/powertools-examples-batch/src/main/java/org/demo/batch/sqs/SqsBatchHandler.java

@@ -4,14 +4,14 @@
 import com.amazonaws.services.lambda.runtime.RequestHandler;
 import com.amazonaws.services.lambda.runtime.events.SQSBatchResponse;
 import com.amazonaws.services.lambda.runtime.events.SQSEvent;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.demo.batch.model.Product;
 import software.amazon.lambda.powertools.batch.BatchMessageHandlerBuilder;
 import software.amazon.lambda.powertools.batch.handler.BatchMessageHandler;
 
 public class SqsBatchHandler implements RequestHandler<SQSEvent, SQSBatchResponse> {
-    private final static Logger LOGGER = LogManager.getLogger(SqsBatchHandler.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(SqsBatchHandler.class);
     private final BatchMessageHandler<SQSEvent, SQSBatchResponse> handler;
 
     public SqsBatchHandler() {

examples/powertools-examples-batch/src/main/java/org/demo/batch/sqs/SqsBatchSender.java

@@ -10,8 +10,8 @@
 import java.security.SecureRandom;
 import java.util.List;
 import java.util.stream.IntStream;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.demo.batch.model.Product;
 import software.amazon.awssdk.http.urlconnection.UrlConnectionHttpClient;
 import software.amazon.awssdk.services.sqs.SqsClient;
@@ -27,7 +27,7 @@
  */
 public class SqsBatchSender implements RequestHandler<ScheduledEvent, String> {
 
-    private static final Logger LOGGER = LogManager.getLogger(SqsBatchSender.class);
+    private static final Logger LOGGER = LoggerFactory.getLogger(SqsBatchSender.class);
 
     private final SqsClient sqsClient;
     private final SecureRandom random;

examples/powertools-examples-cloudformation/pom.xml

@@ -7,16 +7,15 @@
     <artifactId>powertools-examples-cloudformation</artifactId>
     <packaging>jar</packaging>
 
-    <name>Powertools for AWS Lambda (Java) library Examples - CloudFormation</name>
+    <name>Powertools for AWS Lambda (Java) - Examples - CloudFormation</name>
 
     <properties>
-        <log4j.version>2.20.0</log4j.version>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <lambda.core.version>1.2.3</lambda.core.version>
         <lambda.events.version>3.11.3</lambda.events.version>
         <aws.sdk.version>2.21.0</aws.sdk.version>
-        <aspectj.version>1.9.20</aspectj.version>
+        <aspectj.version>1.9.20.1</aspectj.version>
 
     </properties>
     <dependencyManagement>
@@ -49,19 +48,9 @@
         </dependency>
         <dependency>
             <groupId>software.amazon.lambda</groupId>
-            <artifactId>powertools-logging</artifactId>
+            <artifactId>powertools-logging-log4j</artifactId>
             <version>${project.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-api</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.aspectj</groupId>
             <artifactId>aspectjrt</artifactId>
@@ -91,14 +80,6 @@
                 </exclusion>
             </exclusions>
         </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-jcl</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-
-
-
     </dependencies>
 
     <build>

examples/powertools-examples-cloudformation/src/main/java/helloworld/App.java

@@ -3,8 +3,8 @@
 import com.amazonaws.services.lambda.runtime.Context;
 import com.amazonaws.services.lambda.runtime.events.CloudFormationCustomResourceEvent;
 import java.util.Objects;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import software.amazon.awssdk.awscore.exception.AwsServiceException;
 import software.amazon.awssdk.core.exception.SdkClientException;
 import software.amazon.awssdk.core.waiters.WaiterResponse;
@@ -24,7 +24,7 @@
  */
 
 public class App extends AbstractCustomResourceHandler {
-    private final static Logger log = LogManager.getLogger(App.class);
+    private static final Logger log = LoggerFactory.getLogger(App.class);
     private final S3Client s3Client;
 
     public App() {
@@ -47,7 +47,7 @@ protected Response create(CloudFormationCustomResourceEvent cloudFormationCustom
         Objects.requireNonNull(cloudFormationCustomResourceEvent.getResourceProperties().get("BucketName"),
                 "BucketName cannot be null.");
 
-        log.info(cloudFormationCustomResourceEvent);
+        log.info(cloudFormationCustomResourceEvent.toString());
         String bucketName = (String) cloudFormationCustomResourceEvent.getResourceProperties().get("BucketName");
         log.info("Bucket Name {}", bucketName);
         try {
@@ -57,7 +57,7 @@ protected Response create(CloudFormationCustomResourceEvent cloudFormationCustom
             return Response.success(bucketName);
         } catch (AwsServiceException | SdkClientException e) {
             // In case of error, return a failed response, with the bucketName as the physicalResourceId
-            log.error(e);
+            log.error("Unable to create bucket", e);
             return Response.failed(bucketName);
         }
     }
@@ -77,7 +77,7 @@ protected Response update(CloudFormationCustomResourceEvent cloudFormationCustom
         Objects.requireNonNull(cloudFormationCustomResourceEvent.getResourceProperties().get("BucketName"),
                 "BucketName cannot be null.");
 
-        log.info(cloudFormationCustomResourceEvent);
+        log.info(cloudFormationCustomResourceEvent.toString());
         // Get the physicalResourceId. physicalResourceId is the value returned to CloudFormation in the Create request, and passed in on subsequent requests (e.g. UPDATE or DELETE)
         String physicalResourceId = cloudFormationCustomResourceEvent.getPhysicalResourceId();
         log.info("Physical Resource ID {}", physicalResourceId);
@@ -94,7 +94,7 @@ protected Response update(CloudFormationCustomResourceEvent cloudFormationCustom
                 // Return a successful response with the newBucketName
                 return Response.success(newBucketName);
             } catch (AwsServiceException | SdkClientException e) {
-                log.error(e);
+                log.error("Unable to create bucket", e);
                 return Response.failed(newBucketName);
             }
         } else {
@@ -120,7 +120,7 @@ protected Response delete(CloudFormationCustomResourceEvent cloudFormationCustom
         Objects.requireNonNull(cloudFormationCustomResourceEvent.getPhysicalResourceId(),
                 "PhysicalResourceId cannot be null.");
 
-        log.info(cloudFormationCustomResourceEvent);
+        log.info(cloudFormationCustomResourceEvent.toString());
         // Get the physicalResourceId. physicalResourceId is the value provided to CloudFormation in the Create request.
         String bucketName = cloudFormationCustomResourceEvent.getPhysicalResourceId();
         log.info("Bucket Name {}", bucketName);
@@ -135,7 +135,7 @@ protected Response delete(CloudFormationCustomResourceEvent cloudFormationCustom
                 return Response.success(bucketName);
             } catch (AwsServiceException | SdkClientException e) {
                 // Return a failed response in case of errors during the bucket deletion
-                log.error(e);
+                log.error("Unable to delete bucket", e);
                 return Response.failed(bucketName);
             }
         } else {
@@ -166,7 +166,7 @@ private void createBucket(String bucketName) {
         s3Client.createBucket(createBucketRequest);
         WaiterResponse<HeadBucketResponse> waiterResponse =
                 waiter.waitUntilBucketExists(HeadBucketRequest.builder().bucket(bucketName).build());
-        waiterResponse.matched().response().ifPresent(log::info);
+        waiterResponse.matched().response().ifPresent(res -> log.info(res.toString()));
         log.info("Bucket Created {}", bucketName);
     }
 }

examples/powertools-examples-core-utilities/cdk/app/pom.xml

@@ -2,7 +2,7 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
-    <name>Powertools for AWS Lambda (Java) library Examples - Core Utilities (logging, tracing, metrics) with CDK</name>
+    <name>Powertools for AWS Lambda (Java) - Examples - Core Utilities (logging, tracing, metrics) with CDK</name>
     <groupId>software.amazon.lambda.examples</groupId>
     <!-- TODO TODO TODO this should build from SNAPSHOT, but it doesn't, because the snapshots
     don't appear in the docker environment CDK builds it in in our CDK tests. How to procede? V2 blocker -->
@@ -14,7 +14,7 @@
         <log4j.version>2.20.0</log4j.version>
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
-        <aspectj.version>1.9.20</aspectj.version>
+        <aspectj.version>1.9.20.1</aspectj.version>
     </properties>
 
     <dependencies>

examples/powertools-examples-core-utilities/cdk/app/src/main/java/helloworld/App.java

@@ -29,8 +29,8 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Collectors;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import software.amazon.cloudwatchlogs.emf.model.DimensionSet;
 import software.amazon.cloudwatchlogs.emf.model.Unit;
 import software.amazon.lambda.powertools.logging.Logging;
@@ -44,8 +44,7 @@
  * Handler for requests to Lambda function.
  */
 public class App implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {
-    private final static Logger log = LogManager.getLogger(App.class);
-
+    private static final Logger log = LoggerFactory.getLogger(App.class);
     @Logging(logEvent = true, samplingRate = 0.7)
     @Tracing(captureMode = CaptureMode.RESPONSE_AND_ERROR)
     @Metrics(namespace = "ServerlessAirline", service = "payment", captureColdStart = true)

examples/powertools-examples-core-utilities/gradle/build.gradle

@@ -28,8 +28,9 @@ dependencies {
     implementation 'com.fasterxml.jackson.core:jackson-databind:2.13.2.2'
     implementation 'com.amazonaws:aws-lambda-java-events:3.11.0'
     implementation 'com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.2'
+    implementation 'org.aspectj:aspectjrt:1.9.20.1'
     aspect 'software.amazon.lambda:powertools-tracing:2.0.0-SNAPSHOT'
-    aspect 'software.amazon.lambda:powertools-logging:2.0.0-SNAPSHOT'
+    aspect 'software.amazon.lambda:powertools-logging-log4j:2.0.0-SNAPSHOT'
     aspect 'software.amazon.lambda:powertools-metrics:2.0.0-SNAPSHOT'
 }
 

examples/powertools-examples-core-utilities/gradle/src/main/java/helloworld/App.java

@@ -29,8 +29,8 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.Collectors;
-import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import software.amazon.cloudwatchlogs.emf.model.DimensionSet;
 import software.amazon.cloudwatchlogs.emf.model.Unit;
 import software.amazon.lambda.powertools.logging.Logging;
@@ -44,7 +44,7 @@
  * Handler for requests to Lambda function.
  */
 public class App implements RequestHandler<APIGatewayProxyRequestEvent, APIGatewayProxyResponseEvent> {
-    private final static Logger log = LogManager.getLogger(App.class);
+    private static final Logger log = LoggerFactory.getLogger(App.class);
 
     @Logging(logEvent = true, samplingRate = 0.7)
     @Tracing(captureMode = CaptureMode.RESPONSE_AND_ERROR)

examples/powertools-examples-core-utilities/kotlin/build.gradle.kts

@@ -9,16 +9,16 @@ repositories {
 }
 
 dependencies {
-    implementation("com.amazonaws:aws-lambda-java-core:1.2.2")
-    implementation("com.fasterxml.jackson.core:jackson-annotations:2.13.2")
-    implementation("com.fasterxml.jackson.core:jackson-databind:2.13.2.2")
-    implementation("com.amazonaws:aws-lambda-java-events:3.11.0")
-    implementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.13.2")
+    implementation("com.amazonaws:aws-lambda-java-core:1.2.3")
+    implementation("com.fasterxml.jackson.core:jackson-annotations:2.15.1")
+    implementation("com.fasterxml.jackson.core:jackson-databind:2.15.3")
+    implementation("com.amazonaws:aws-lambda-java-events:3.11.3")
+    implementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.15.2")
+    implementation("org.aspectj:aspectjrt:1.9.20.1")
     aspect("software.amazon.lambda:powertools-tracing:2.0.0-SNAPSHOT")
-    aspect("software.amazon.lambda:powertools-logging:2.0.0-SNAPSHOT")
+    aspect("software.amazon.lambda:powertools-logging-log4j:2.0.0-SNAPSHOT")
     aspect("software.amazon.lambda:powertools-metrics:2.0.0-SNAPSHOT")
-    testImplementation("junit:junit:4.13.2")
-    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.8.10")
 }
 
 kotlin {