How do I completely disable Kube DNS replication?

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I don't need even a single replica. How do I completely disable Kube DNS replication on a GKE cluster?
related to an answer for: Reduce the Kube DNS replicas on GKE.
Oct 30, 2019 in GCP by anonymous
• 5,970 points
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1 answer to this question.

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You can completely disable Kube DNS. Kube DNS is required for workloads that resolve the DNS name of any dependent service. This includes public domain names and the names of cluster services.

To disable Kube DNS:

kubectl scale --replicas=0 deployment/kube-dns-autoscaler --namespace=kube-system kubectl scale --replicas=0 deployment/kube-dns --namespace=kube-system

To enable Kube DNS:

kubectl scale --replicas=1 deployment/kube-dns --namespace=kube-system

where --replicas=1 is your desired number of replicas.

To enable Kube DNS autoscaling:

kubectl scale --replicas=1 deployment/kube-dns-autoscaler --namespace=kube-system
answered Oct 30, 2019 by Sirajul
• 55,300 points

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