Upgrade Cluster Autoscaler

This guide will walk you through upgrading the Cluster Autoscaler.

Important

This guide assumes that you have already deployed the Cluster Autoscaler on your cluster. If this does not hold, please proceed to the corresponding guide for deploying the Cluster Autoscaler on your cluster. Ensure that your kustomization uses the corresponding overlay for your Kubernetes version.

See also

• Deploy Cluster Autoscaler

What You’ll Need

• An upgraded management environment.
• An existing Kubernetes cluster.
• An upgraded Rok 1.5.3 deployment.
• Your local clone of the Arrikto GitOps repository.
• Arrikto manifests for EKF version 1.5.3.
• An existing Cluster Autoscaler deployment.

Procedure

1. Go to your GitOps repository, inside your rok-tools management environment:

   

   root@rok-tools:~# cd ~/ops/deployments

2. Apply the kustomization:

   

   root@rok-tools:~/ops/deployments# rok-deploy --apply rok/cluster-autoscaler/overlays/deploy

Verify

1. Verify that the Cluster Autoscaler is up-and-running. Verify that field READY is 1/1:

   

   root@rok-tools:~# kubectl get -n kube-system deploy/cluster-autoscaler NAME READY UP-TO-DATE AVAILABLE AGE cluster-autoscaler 1/1 1 1 1m

Summary

You have successfully upgraded the Cluster Autoscaler on your cluster.

What’s Next

The next step is to upgrade ExternalDNS.

• Upgrade ExternalDNS