Switch the Kubernetes cluster associated with a Digital Ocean load balancer


I had to destroy a Kubernetes cluster and recreate it, because it was in a completely broken state.

The cluster was associated with a DigitalOcean load balancer. I would rather not create a new load balancer with a different IP address, because I already have DNS records pointing to the existing load balancer. Is it possible to modify the existing load balancer to point to the new Kubernetes cluster? I could not find a way to do this in documentation.

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Hi there,

Looking at a LB service you should see they are provisioned with the loadbalancer id annotation.

To reuse a current already provisioned LB. You can use that annotation on the service that you want to take over the LB: xxxxxx-blah-UUID-here-xxx

Please note that you should not have a LB being managed by two clusters as they will overwrite each others configurations.

Hope this helps!

Hi, what’s the structure (i.e. architecture) of your Kubernetes resources? Are you using a LoadBalancer in regards to your service resource definition? If this is the case, then you should never hard code an IP address here. Next, If you have created a DNS record that has an associated IP address, then I would create a Kubernetes Ingress resource using either Nginx or Traefik that sets the domain and not the IP.


kind: Ingress
apiVersion: extensions/v1beta1
  name: "foo"
  namespace: production
    - host:
          - path: /
              serviceName: some_service_1
              servicePort: 80

Note: The above is using Traefik apiVersion.

Well, I wish that the above information helps you and happy hacking.

Think different and code well,