[root@master49 test]# kubectl get cm coredns -n kube-system -o yaml
apiVersion: v1
data:
Corefile: |
.:53 {
errors
health {lameduck 5s}
ready
kubernetes cluster.local in-addr.arpa ip6.arpa {
pods insecure
fallthrough in-addr.arpa ip6.arpa
ttl 30
}
prometheus :9153
#forward . /etc/resolv.conf
forward . 192.168.6.242 ### 批改这里即可
cache 30
reload
loadbalance
}
kind: ConfigMap
metadata:
creationTimestamp: "2020-12-21T02:23:59Z"
managedFields:
- apiVersion: v1
fieldsType: FieldsV1
fieldsV1:
f:data: {}
manager: kubeadm
operation: Update
time: "2020-12-21T02:23:59Z"
- apiVersion: v1
fieldsType: FieldsV1
fieldsV1:
f:data:
f:Corefile: {}
manager: kubectl
operation: Update
time: "2021-03-16T08:26:27Z"
name: coredns
namespace: kube-system
resourceVersion: "23351960"
selfLink: /api/v1/namespaces/kube-system/configmaps/coredns
uid: 8d85909b-afe2-47ab-92c8-0a14059433d3
[root@master49 test]# kubectl edit cm coredns -n kube-system
[root@master49 test]# kubectl get pod -n kube-system
NAME READY STATUS RESTARTS AGE
calico-kube-controllers-75d555c48-9z5ql 1/1 Running 5 85d
calico-node-2xt99 1/1 Running 4 85d
calico-node-8hd6s 1/1 Running 3 85d
calico-node-bgg29 1/1 Running 2 85d
calico-node-pq2pc 1/1 Running 2 85d
calico-node-rs77f 1/1 Running 4 85d
coredns-7ff77c879f-dkxcq 1/1 Running 0 8m38s
coredns-7ff77c879f-vc262 1/1 Running 0 8m16s
etcd-master49 1/1 Running 5 85d
etcd-master50 1/1 Running 3 85d
etcd-master56 1/1 Running 17 85d
kube-apiserver-master49 1/1 Running 0 54d
kube-apiserver-master50 1/1 Running 0 54d
kube-apiserver-master56 1/1 Running 0 54d
kube-controller-manager-master49 1/1 Running 7 85d
kube-controller-manager-master50 1/1 Running 5 85d
kube-controller-manager-master56 1/1 Running 6 85d
kube-proxy-4csh5 1/1 Running 5 85d
kube-proxy-54pqr 1/1 Running 2 85d
kube-proxy-h2ttm 1/1 Running 3 85d
kube-proxy-nr7z4 1/1 Running 2 85d
kube-proxy-xtrqz 1/1 Running 3 85d
kube-scheduler-master49 1/1 Running 7 85d
kube-scheduler-master50 1/1 Running 5 85d
kube-scheduler-master56 1/1 Running 6 85d
log-pilot-2lzh2 1/1 Running 1 84d
log-pilot-4lrvr 1/1 Running 0 84d
log-pilot-9mj54 1/1 Running 0 84d
log-pilot-rwrzh 1/1 Running 1 84d
log-pilot-xs7mh 1/1 Running 1 84d
[root@master49 test]# kubectl delete pod coredns-7ff77c879f-dkxcq -n kube-system
pod "coredns-7ff77c879f-dkxcq" deleted
[root@master49 test]# kubectl delete pod coredns-7ff77c879f-vc262 -n kube-system
pod "coredns-7ff77c879f-vc262" deleted