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Add application signals enablement L2
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‎packages/@aws-cdk/aws-applicationsignals-alpha/.eslintrc.js

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const baseConfig = require('@aws-cdk/cdk-build-tools/config/eslintrc');
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baseConfig.parserOptions.project = __dirname + '/tsconfig.json';
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baseConfig.rules['import/no-extraneous-dependencies'] = ['error', { devDependencies: true, peerDependencies: true } ];
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baseConfig.rules['import/order'] = 'off';
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baseConfig.rules['@aws-cdk/invalid-cfn-imports'] = 'off';
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module.exports = baseConfig;

‎packages/@aws-cdk/aws-applicationsignals-alpha/.gitignore

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*.js
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*.d.ts
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tsconfig.json
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*.generated.ts
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*.js.map
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dist
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coverage
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.nyc_output
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.jsii
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.LAST_BUILD
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nyc.config.js
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.LAST_PACKAGE
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*.snk
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!.eslintrc.js
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junit.xml
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!jest.config.js
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!**/*.snapshot/**/asset.*/*.js
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!**/*.snapshot/**/asset.*/*.d.ts
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!**/*.snapshot/**/asset.*/**

‎packages/@aws-cdk/aws-applicationsignals-alpha/.npmignore

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.LAST_BUILD
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*.snk
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junit.xml
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*.ts
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!*.d.ts
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!*.js
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!*.lit.ts
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coverage
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.nyc_output
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*.tgz
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.eslintrc.js
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# exclude cdk artifacts
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**/cdk.out
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dist
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.LAST_PACKAGE
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*.tsbuildinfo
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test/
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tsconfig.json
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!.jsii

‎packages/@aws-cdk/aws-applicationsignals-alpha/LICENSE

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Apache License
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Version 2.0, January 2004
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‎packages/@aws-cdk/aws-applicationsignals-alpha/NOTICE

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AWS Cloud Development Kit (AWS CDK)
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Copyright 2018-2025 Amazon.com, Inc. or its affiliates. All Rights Reserved.

‎packages/@aws-cdk/aws-applicationsignals-alpha/README.md

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# AWS::ApplicationSignals Construct Library
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<!--BEGIN STABILITY BANNER-->
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---
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![cdk-constructs: Experimental](https://img.shields.io/badge/cdk--constructs-experimental-important.svg?style=for-the-badge)
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> The APIs of higher level constructs in this module are experimental and under active development.
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> They are subject to non-backward compatible changes or removal in any future version. These are
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> not subject to the [Semantic Versioning](https://semver.org/) model and breaking changes will be
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> announced in the release notes. This means that while you may use them, you may need to update
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> your source code when upgrading to a newer version of this package.
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---
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<!--END STABILITY BANNER-->
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This module is part of the [AWS Cloud Development Kit](https://github.com/aws/aws-cdk) project.
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```ts nofixture
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import * as appsignals from '@aws-cdk/aws-applicationsignals-alpha';
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```
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## Enable Application Signals on ECS with sidecar mode
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```ts
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new appsignals.ApplicationSignalsIntegration(this, 'ApplicationSignalsIntegration', {
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taskDefinition,
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instrumentation: {
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language: appsignals.InstrumentationLanguage.JAVA,
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sdkVersion: appsignals.Instrumentation.JAVA_1_32_6
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},
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serviceName: 'sample-app',
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cloudWatchAgent: {
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enableSidecar: true,
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}
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});
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```
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## Enable Application Signals on ECS with daemon mode
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Since the daemon deployment strategy is not supported on ECS Fargate, this mode is only supported on ECS on EC2.
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```ts
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import * as ecs from 'aws-cdk-lib/aws-ecs';
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// create CloudWatch agent daemon service
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const cwAgentContainer = cwAgentTaskDefinition.addContainer('ecs-cwagent', {
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image: ecs.ContainerImage.fromRegistry("public.ecr.aws/cloudwatch-agent/cloudwatch-agent:latest"),
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cpu: 128,
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memoryLimitMiB: 64,
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portMappings: [
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{
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name: 'cwagent-4316',
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containerPort: 4316,
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hostPort: 4316,
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},
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{
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name: 'cwagent-2000',
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containerPort: 2000,
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hostPort: 2000,
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},
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],
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logging: new ecs.AwsLogDriver({
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streamPrefix: 'ecs',
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logGroup: new LogGroup(this, 'CwAgentLogGroup', {
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logGroupName: '/ecs/ecs-cwagent-cdk-daemon',
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removalPolicy: cdk.RemovalPolicy.DESTROY,
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}),
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}),
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environment: {
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CW_CONFIG_CONTENT: '{"traces": {"traces_collected": {"application_signals": {}}}, "logs": {"metrics_collected":{"application_signals": {}}}}'
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}
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});
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const cwAgentService = new ecs.Ec2Service(this, 'CwAgentDaemonService', {
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cluster,
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taskDefinition: cwAgentTaskDefinition,
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daemon: true,
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serviceConnectConfiguration: {
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namespace: namespace.namespaceArn,
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services: [{
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portMappingName: 'cwagent-4316',
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dnsName: 'cwagent-4316-http',
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port: 4316
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}, {
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portMappingName: 'cwagent-2000',
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dnsName: 'cwagent-2000-http',
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port: 2000
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}]
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}
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});
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// configure ApplicationSignalsIntegration to use Service Connect to communicate to the CloudWatch agent server
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new appsignals.ApplicationSignalsIntegration(this, 'ApplicationSignalsIntegration', taskDefinition, {
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instrumentation: {
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language: appsignals.InstrumentationLanguage.PYTHON,
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sdkVersion: appsignals.Instrumentation.PYTHON_V0_7_0
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},
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overrideEnvironments: [{
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name: appsignals.CommonExporting.OTEL_AWS_APPLICATION_SIGNALS_EXPORTER_ENDPOINT,
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// overwrite the endpoint to point to the created Service Connect
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value: "http://cwagent-4316-http:4316/v1/metrics"
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}, {
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name: appsignals.TraceExporting.OTEL_EXPORTER_OTLP_TRACES_ENDPOINT,
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// overwrite the endpoint to point to the created Service Connect
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value: "http://cwagent-4316-http:4316/v1/traces"
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}, {
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name: appsignals.TraceExporting.OTEL_TRACES_SAMPLER_ARG,
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// overwrite the endpoint to point to the created Service Connect
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value: "endpoint=http://cwagent-2000-http:2000"
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}],
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serviceName: 'sample-app',
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cloudWatchAgent: {
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// disable sidecar mode
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enableSidecar: false,
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}
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})
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```

‎packages/@aws-cdk/aws-applicationsignals-alpha/awslint.json

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{
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"exclude": [
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]
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}

‎packages/@aws-cdk/aws-applicationsignals-alpha/jest.config.js

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const baseConfig = require('@aws-cdk/cdk-build-tools/config/jest.config');
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module.exports = baseConfig;

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