在Master01节点进入CoreDNS安装文件所在目录:
# cd /root/k8s-ha-install/CoreDNS
如果更改了Service的网段,就需要将CoreDNS的Service IP改成Kubernetes Service网段的第10个IP:
# COREDNS_SERVICE_IP=`kubectl get svc | grep kubernetes | awk '{print $3}'`0 # sed -i "s#192.168.0.10#${COREDNS_SERVICE_IP}#g" coredns.yaml
安装CoreDNS:
# kubectl create -f coredns.yaml serviceaccount/coredns created ...