amazon-web-services - 如何为 CDK 中的两个不同端口配置 ELB?
问题描述
我有一个弹性负载均衡器为 EC2 实例提供流量。我有一个在端口 443 上运行的应用程序,它运行得很好。
现在我想在 EC2 实例上的端口 444 上运行另一个应用程序。我希望能够通过访问端口 443 运行第一个应用程序,并通过访问端口 444 运行第二个应用程序。
不知何故,我无法设法将端口 444 添加到 CDK 中的负载平衡器。我正在做这样的事情。
const appLoadbalancer = new elbv2.ApplicationLoadBalancer(this, `${props.type}AppLoadBalancer`, {
vpc: vpc,
vpcSubnets: subnets,
internetFacing: true,
});
const httpsListener = appLoadbalancer.addListener(`${props.type}HTTPSListener`, {
port: 443,
open: true,
certificates: [props.certificate]
});
httpsListener.addTargets(`${props.type}HTTPSTarget`, {
port: 443,
targets: [autoscalingGroup],
healthCheck: {
enabled: true,
healthyHttpCodes: "200,302"
}
});
const httpsListener2 = appLoadbalancer.addListener(`${props.type}HTTPSListener2`, {
port: 444,
protocol: elbv2.ApplicationProtocol.HTTPS,
open: true,
certificates: [props.certificate]
});
httpsListener2.addTargets(`${props.type}HTTPSTarget2`, {
port: 444,
protocol: elbv2.ApplicationProtocol.HTTPS,
targets: [autoscalingGroup],
healthCheck: {
enabled: true,
healthyHttpCodes: "200,302"
}
});
如果仅将其设置为端口 443,则一切正常。但是当我尝试上述操作时,我得到如下信息:
Error: Cannot add AutoScalingGroup to 2nd Target Group
我不知道这是什么意思以及如何在 cdk 中修复它...
解决方案
我最终得到了这样的解决方案:
const appLoadbalancer = new elbv2.ApplicationLoadBalancer(this, `${props.type}AppLoadBalancer`, {
vpc: vpc,
vpcSubnets: subnet,
internetFacing: true,
});
const tg1 = new elbv2.ApplicationTargetGroup(this, "tg1", {
vpc: vpc,
protocol: elbv2.ApplicationProtocol.HTTPS})
const tg2 = new elbv2.ApplicationTargetGroup(this, "tg2", {vpc: vpc,
protocol: elbv2.ApplicationProtocol.HTTPS, port: 444})
const httpsListener = appLoadbalancer.addListener(`${props.type}HTTPSListener`, {
port: 443,
protocol: elbv2.ApplicationProtocol.HTTPS,
open: true,
certificates: [props.certificate]
});
httpsListener.addTargetGroups("RestTarget", {
targetGroups: [tg1]
});
const httpsListener2 = appLoadbalancer.addListener(`${props.type}HTTPSListener2`, {
port: 444,
protocol: elbv2.ApplicationProtocol.HTTPS,
open: true,
certificates: [props.certificate]
});
httpsListener2.addTargetGroups("RestTarget", {
targetGroups: [tg2]
});
const ServiceAsg = autoscalingGroup.node.defaultChild as autoscaling.CfnAutoScalingGroup
ServiceAsg.targetGroupArns = [tg1.targetGroupArn, tg2.targetGroupArn]