如何在AWS上获取kubernetes负载均衡器服务的永久IP地址? [英] How to get permanent ip address of a kubernetes load balancer service on AWS?

问题描述

如何在AWS kubernetes群集中以永久IP地址发布服务，以便添加DNS记录?我在kubernetes中定义了类型为LoadBalancer的服务xxx，并且kubectl describe service xxx给了我类似的东西:

How can I publish a service in an AWS kubernetes cluster at a permanent IP address, so that I can add a DNS record? I define service xxx of type LoadBalancer in kubernetes, and kubectl describe service xxx gives me something like:

LoadBalancer Ingress:   aae55ce563ca611e692c10a83aef9ddc-467886677.eu-west-1.elb.amazonaws.com
Port:           <unset> 9004/TCP

实际上，我可以在aae55ce563ca611e692c10a83aef9ddc-467886677.eu-west-1.elb.amazonaws.com:9004上访问该应用程序.如何使它成为永久IP地址?

Indeed, I can access the application on aae55ce563ca611e692c10a83aef9ddc-467886677.eu-west-1.elb.amazonaws.com:9004. How can I make this a permanent IP address?

推荐答案

正如@ error2007s所说，您不能为ELB获得静态IP.但是，如果您只想为ELB分配域名，则可以使用指向aae55ce563ca611e692c10a83aef9ddc-467886677.eu-west-1.elb.amazonaws.com的CNAME记录.如果您使用的是Route53，则还可以定义别名以获得更好的性能.在托管区域下创建一个记录集，选择类型A，在别名:"下选择是"，最后从下拉框中选择您的ELB.

As @error2007s said, you can't get a static IP for ELB. But if all you want is to assign a domain name to your ELB, then you can use a CNAME record pointing to aae55ce563ca611e692c10a83aef9ddc-467886677.eu-west-1.elb.amazonaws.com. If you're using Route53 you can also define an alias for better performance. Create a record set under your hosted zone, choose type A, select Yes under "Alias: ", and finally select your ELB from the dropdown box.

两个选项均由Amazon记录:

Both options are documented by Amazon:

http://docs .aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/using-domain-names-with-elb.html

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