Editing CoreDNS

[[wikipedia:CoreDNS]] <ref>https://coredns.io/</ref> ([[2019]]) DNS and [[Service discovery]]
* https://coredns.io/
* <code>[[Corefile]]</code>

 kubectl -n [[kube-system]] [[-l]]=k8s-app=[[kube-dns]] [[get pods]]
 NAME                      READY   STATUS    RESTARTS   AGE
 [[coredns]]-f47955f89-7ntw4   0/1     Pending   0          3h37m
 coredns-f47955f89-sl79r   0/1     Pending   0          3h37m

== [[EKS]] ==
Terraform: 
 {{cluster_addons example}}

Related: [[Terraform EKS module official usage example]]

== Protocols ==
* dns:// for plain DNS (the default if no scheme is specified).
* tls:// for DNS over TLS, see RFC 7858.
* https:// for DNS over HTTPS, see RFC 8484.
* grpc:// for DNS over [[gRPC]]


== Errors ==
* <code>[[Error: waiting for EKS Add-On]]</code>
* <code>[[Bad response statusCode (422)]]</code>

== Versions ==
* 2022-01-24 1.8.7 https://coredns.io/2021/12/09/coredns-1.8.7-release/


* 2020/06/15 1.7.0 https://coredns.io/2020/06/15/coredns-1.7.0-release/

== Related terms ==
* [[DNS]]: <code>[[kube-dns]]</code>
* <code>[[kube-system]] namespace</code>
* [[Kubernetes 1.13]] (December 2018)
* <code>[[kubeadm config images pull]]</code>
* [[Miek Gieben]]
* [[EKS]]: <code>[[kubectl get service]] [[kube-dns]] -n kube-system</code>
* <code>[[kubectl cluster-info]]</code>
* <code>[[dnsPolicy:]]</code>
* [[EKS add-ons]]: <code>[[kube-dns]], [[kube-proxy]]</code>
* <code>[[kubectl get serviceaccounts]]</code>
* [[Kubernetes DNS]]

== Activities ==
* https://aws.amazon.com/premiumsupport/knowledge-center/eks-dns-failure/
* [[CKA 1.28]]: [[Know how to configure and use CoreDNS]]

== See also ==
* {{CoreDNS}}
* {{Kubernetes networking}}

[[Category:Kubernetes]]