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Migrate task sets example template to CDK
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| #!/usr/bin/env node | ||
| import { Port, SecurityGroup, Vpc } from '@aws-cdk/aws-ec2'; | ||
| import { Repository } from '@aws-cdk/aws-ecr'; | ||
| import * as ecs from '@aws-cdk/aws-ecs'; | ||
| import { ApplicationLoadBalancer, ApplicationProtocol, ApplicationTargetGroup, IApplicationLoadBalancerTarget, LoadBalancerTargetProps, TargetType, Protocol } from '@aws-cdk/aws-elasticloadbalancingv2'; | ||
| import cdk = require('@aws-cdk/core'); | ||
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| class TriviaBackendStack extends cdk.Stack { | ||
| constructor(parent: cdk.App, name: string, props: cdk.StackProps) { | ||
| super(parent, name, props); | ||
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| // Configuration parameters | ||
| const imageRepo = Repository.fromRepositoryName(this, 'Repo', 'reinvent-trivia-backend'); | ||
| const tag = (process.env.IMAGE_TAG) ? process.env.IMAGE_TAG : 'latest'; | ||
| const image = ecs.ContainerImage.fromEcrRepository(imageRepo, tag) | ||
|
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| // Look up existing network infrastructure (default VPC) | ||
| const vpc = Vpc.fromLookup(this, 'Vpc', { | ||
| isDefault: true, | ||
| }); | ||
| const subnets = vpc.publicSubnets; | ||
| const cluster = ecs.Cluster.fromClusterAttributes(this, 'Cluster', { | ||
| clusterName: 'default', | ||
| vpc, | ||
| securityGroups: [], | ||
| }); | ||
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| // Create load balancer and security group resources | ||
| const serviceSG = new SecurityGroup(this, 'ServiceSecurityGroup', { vpc }); | ||
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| const loadBalancer = new ApplicationLoadBalancer(this, 'LB', { | ||
| vpc, | ||
| internetFacing: true, | ||
| }); | ||
| serviceSG.connections.allowFrom(loadBalancer, Port.tcp(80)); | ||
| new cdk.CfnOutput(this, 'ServiceURL', { value: 'http://' + loadBalancer.loadBalancerDnsName }); | ||
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| const listener = loadBalancer.addListener('PublicListener', { | ||
| protocol: ApplicationProtocol.HTTP, | ||
| port: 80, | ||
| open: true, | ||
| }); | ||
| const targetGroup = listener.addTargets('ECS', { | ||
| protocol: ApplicationProtocol.HTTP, | ||
| deregistrationDelay: cdk.Duration.seconds(5), | ||
| healthCheck: { | ||
| interval: cdk.Duration.seconds(5), | ||
| path: '/', | ||
| protocol: Protocol.HTTP, | ||
| healthyThresholdCount: 2, | ||
| unhealthyThresholdCount: 3, | ||
| timeout: cdk.Duration.seconds(4) | ||
| }, | ||
| targets: [ // empty to begin with, set the target type to be 'IP' | ||
| new (class EmptyIpTarget implements IApplicationLoadBalancerTarget { | ||
| attachToApplicationTargetGroup(_: ApplicationTargetGroup): LoadBalancerTargetProps { | ||
| return { targetType: TargetType.IP }; | ||
| } | ||
| })() | ||
| ], | ||
| }); | ||
|
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||
| // Create Fargate resources: task definition, service, task set, etc | ||
| const taskDefinition = new ecs.FargateTaskDefinition(this, 'TaskDefinition', {}); | ||
| const container = taskDefinition.addContainer('web', { | ||
| image, | ||
| logging: new ecs.AwsLogDriver({ streamPrefix: 'Service' }), | ||
| }); | ||
| container.addPortMappings({ containerPort: 80 }); | ||
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| const service = new ecs.CfnService(this, 'Service', { | ||
| cluster: cluster.clusterName, | ||
| desiredCount: 2, | ||
| deploymentController: { type: ecs.DeploymentControllerType.EXTERNAL }, | ||
| }); | ||
| service.node.addDependency(targetGroup); | ||
| service.node.addDependency(listener); | ||
|
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| const taskSet = new ecs.CfnTaskSet(this, 'TaskSet', { | ||
| cluster: cluster.clusterName, | ||
| service: service.attrName, | ||
| scale: { unit: 'PERCENT', value: 100 }, | ||
| taskDefinition: taskDefinition.taskDefinitionArn, | ||
| launchType: ecs.LaunchType.FARGATE.toString(), | ||
| loadBalancers: [ | ||
| { | ||
| containerName: 'web', | ||
| containerPort: 80, | ||
| targetGroupArn: targetGroup.targetGroupArn, | ||
| } | ||
| ], | ||
| networkConfiguration: { | ||
| awsVpcConfiguration: { | ||
| assignPublicIp: 'ENABLED', | ||
| securityGroups: [ serviceSG.securityGroupId ], | ||
| subnets: subnets.map(subnet => subnet.subnetId), | ||
| } | ||
| }, | ||
| }); | ||
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| new ecs.CfnPrimaryTaskSet(this, 'PrimaryTaskSet', { | ||
| cluster: cluster.clusterName, | ||
| service: service.attrName, | ||
| taskSetId: taskSet.attrId, | ||
| }); | ||
|
|
||
| } | ||
| } | ||
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| const app = new cdk.App(); | ||
| new TriviaBackendStack(app, 'TriviaBackendTaskSets', { | ||
| env: { account: process.env['CDK_DEFAULT_ACCOUNT'], region: 'us-east-1' } | ||
| }); | ||
| app.synth(); |
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