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You can call

getZone

(or

lookupZone

, it is called different in different languages) if you have an existing R53 zone.

Would that work for a loadbalancer’s dns name which is automatically assigned by AWS like

<http://k8s-kubesyst-octestal-f8d469242e-698581751.ap-south-1.elb.amazonaws.com|k8s-kubesyst-octestal-f8d469242e-698581751.ap-south-1.elb.amazonaws.com>

?

That’s not going to be a Zone ID. A Zone ID is a hosted zone inside Route 53

What you are saying does make sense but I am not sure what to do. I want to create an A record for the loadbalancer’s dns name like (

<http://dev-server.myzone.com|dev-server.myzone.com>

). All i get from the ingress resource is this name -

<http://k8s-kubesyst-octestal-f8d469242e-698581751.ap-south-1.elb.amazonaws.com|k8s-kubesyst-octestal-f8d469242e-698581751.ap-south-1.elb.amazonaws.com>

(this shows as A record in EC2 -> loadbalancer). In the pulumi method to create an A record, I need 2 zone Id’s. One for the hosted zone in which to create the record, which I do have. Another one for the alias’s zoneId which I don’t have. This 2nd zone id is what I am trying to find how to get. Or is there any other way to create an A record for

<http://k8s-kubesyst-octestal-f8d469242e-698581751.ap-south-1.elb.amazonaws.com>

?

You should create a CNAME record in Route53

Let me try that

I don’t have a TypeScript example but here is one in Go:

_, err = route53.NewRecord(ctx, dnsConfig.DNSName, &route53.RecordArgs{
		ZoneId: pulumi.String(dnsConfig.HostedZone.ZoneId),
		Name:   pulumi.String(dnsConfig.DNSName),
		Type:   pulumi.String("CNAME"),
		Ttl:    <http://pulumi.Int|pulumi.Int>(60),
		Records: pulumi.StringArray{
			contourServiceLB,
		},
	}, pulumi.Provider(dnsConfig.Provider))
	if err != nil {
		return nil, err
	}

just to be clear, you can use an A record in Route53 because it supports

ALIAS

records: https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/resource-record-sets-choosing-alias-non-alias.html you're still going to need a zone id to pass to a CNAME

@bored-table-20691 Adding a cname record like so worked!

const route53Record = new aws.route53.Record(`${projectName}-route53-record`, {
    zoneId: hostedZone.then(zone => zone.zoneId),
    name: hostedZone.then(zone => `dev-server.${zone.name}`),
    type: 'CNAME',
    ttl: 60,
    records: [albIngress.status.loadBalancer.ingress[0].hostname],
}, { dependsOn: [albIngress] });

I was initially trying to use the

aliases

from

new aws.route53.Record

which was not really needed. Used

records

and specified the hostname which did the trick! Thanks for your help.

@nice-pharmacist-5320: I had to do something very similar. Aliases are a bit better because they reduce the number of DNS queries a client has to perform to get an IP address. Here’s how I did it, if you’re interested. NB: In my case, there was a bit of a race condition between k8s creating the ALB controller and the ALB actually existing, so I used

ts-retry

to help with that.

import { retry } from 'ts-retry';

ingress.status.loadBalancer.ingress.apply(async () => {
  // The load balancer isn't available immediately after the Ingress is provisioned.
  // This retries `getLoadBalancer` a few times before giving up.
  // Uses the ts-retry module: <https://www.npmjs.com/package/ts-retry>
  const lb = await retry(() => {
    return aws.lb.getLoadBalancer({ name: `${args.env.name}-${args.env.namespace}-lb` }, { parent: this });
  }, { delay: 2000, maxTry: 5 });
  new aws.route53.Record(name, {
    name: args.env.name,
    aliases: [{ name: lb.dnsName, zoneId: lb.zoneId, evaluateTargetHealth: true }],
    type: 'A',
    zoneId: args.zoneId
  }, { parent: this });
});

Also worth noting that I gave the LB a name in the controller annotations:

annotations: {
          ...
          '<http://alb.ingress.kubernetes.io/load-balancer-name|alb.ingress.kubernetes.io/load-balancer-name>': `${args.env.name}-${args.env.namespace}-lb`,
          ...
        }

That makes the

getLoadBalancer

function call a lot easier. Finally, my setup was in a

ComponentResource

definition, that’s why you see

parent: this

a lot. No need for that in your case.

That’s brilliant. I am going to use this setup, it is so much better. Thanks @prehistoric-london-9917

Hi @nice-pharmacist-5320: There’s a lot of IP in that component, so I don’t think I could share the whole thing. I might be able to dig out the ALB bits, though. Let me see what I can do.