一、修改IP地址、主机和host解析
10.0.0.11 k8s-master 10.0.0.12 k8s-node-1 10.0.0.13 k8s-node-2
二、master节点安装etcd
yum install etcd -y
vim /etc/etcd/etcd.conf
6行:ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"
21:ETCD_ADVERTISE_CLIENT_URLS="http://10.0.0.11:2379"systemctl start etcd.service
systemctl enable etcd.service
etcdctl set testdir/testkey0 0
etcdctl get testdir/testkey0
etcdctl -C http://10.0.0.11:2379 cluster-health
三、master节点安装kubernetes
yum install kubernetes-master.x86_64 -y
vim /etc/kubernetes/apiserver
8行: KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"
11行:KUBE_API_PORT="--port=8080"
17行:KUBE_ETCD_SERVERS="--etcd-servers=http://10.0.0.11:2379"
23行:KUBE_ADMISSION_CONTROL="admissioncontrol=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota"
vim /etc/kubernetes/config
22行:KUBE_MASTER="--master=http://10.0.0.11:8080"
systemctl enable kube-apiserver.service
systemctl restart kube-apiserver.servicesystemctl enable kube-controller-manager.service
systemctl restart kube-controller-manager.service
systemctl enable kube-scheduler.service
systemctl restart kube-scheduler.service
#检查服务是否安装正常
四、node节点安装kubernetes
yum install kubernetes-node.x86_64 -y vim /etc/kubernetes/config 22行:KUBE_MASTER="--master=http://10.0.0.11:8080" vim /etc/kubernetes/kubelet 5行:KUBELET_ADDRESS="--address=0.0.0.0" 8行:KUBELET_PORT="--port=10250" 11行:KUBELET_HOSTNAME="--hostname-override=10.0.0.12" 14行:KUBELET_API_SERVER="--api-servers=http://10.0.0.11:8080"
systemctl enable kubelet.service systemctl start kubelet.service systemctl enable kube-proxy.service systemctl start kube-proxy.service
##在master节点检查
[root@k8s-master ~]# kubectl get nodes NAME STATUS AGE 10.0.0.12 Ready 6m 10.0.0.13 Ready 3s
五、所有节点配置flannel网络
yum install flannel -y
sed -i 's#http://127.0.0.1:2379#http://10.0.0.11:2379#g' /etc/sysconfig/flanneld
##master节点:
etcdctl mk /atomic.io/network/config '{ "Network": "172.16.0.0/16" }'
yum install docker -y systemctl enable flanneld.service systemctl restart flanneld.service service docker restart systemctl restart kube-apiserver.service systemctl restart kube-controller-manager.service systemctl restart kube-scheduler.service
##node节点: systemctl enable flanneld.service systemctl restart flanneld.service service docker restart systemctl restart kubelet.service systemctl restart kube-proxy.service
六、配置master为镜像仓库
#所有节点
vim /etc/sysconfig/docker
OPTIONS='--selinux-enabled --log-driver=journald --signature-verification=false -- registry-mirror=https://registry.docker-cn.com --insecure-registry=10.0.0.11:5000'
systemctl restart docker
#master节点
docker run -d -p 5000:5000 --restart=always --name registry -v /opt/myregistry:/var/lib/registry registry
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