k8s-1.15-master高可用部署
16lz
2021-04-21
k8s-1.15-master高可用部署
配置api-server负载均衡：
LB: lb-ip Port: 6443Target: 三个Master节点设置Master Hostname
hostnamectl set-hostname k8s-master1hostnamectl set-hostname k8s-master2hostnamectl set-hostname k8s-master3删除原来docker镜像
docker ps -a |awk '{print $1}' |xargs docker rmdocker images | awk '{print $3}' |xargs docker rmisystemctl stop dockerrm -rf /var/lib/docker/*systemctl start docker创建kubeadm配置文件：kubeadm-config.yaml
内容如下：apiVersion: kubeadm.k8s.io/v1beta2kind: ClusterConfigurationkubernetesVersion: v1.15.5controlPlaneEndpoint: "lb-ip:6443"networking: dnsDomain: cluster.local podSubnet: 10.244.0.0/16 serviceSubnet: 10.96.0.0/12apiServer: certSANs: - k8s-prod.yidejia.comimageRepository: registry.cn-hangzhou.aliyuncs.com/google_containers# 提前拉取代码： kubeadm config images pull配置第一个Master节点：
kubeadm init --config=kubeadm-config.yaml \--upload-certs将剩余的Master加入集群：
kubeadm join lb-ip:6443 --token i1no1v.jf9vhb5xukvzt3s0 \ --discovery-token-ca-cert-hash sha256:2405e4271ad19d29ebfe5549e28db5986ad42e892721dc9b71faa459d6f63587 \ --control-plane --certificate-key 07db3b22760aa7a02684d2f7f19936fbe2d1a6cfcfb96b3ac2c8b712e7ea5b9d每一份赞赏源于懂得
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