在centos 7中安装配置k8s集群的步骤详解

2019-01-16 23:16:36王旭

编写文件b.yaml

apiVersion: v1 kind: Service metadata: name: my-app-svc labels: app: my-app spec: ports: - port: 80 targetPort: 80 nodePort: 30964 type: NodePort selector: app: my-app

创建服务

kubectl create -f a.yaml --validate kubectl create -f b.yaml --validate

删除服务

kubectl delete -f a.yaml kubectl delete -f b.yaml

增加子节点

安装软件

yum-config-manager --add-repo https://docs.docker.com/v1.13/engine/installation/linux/repo_files/centos/docker.repo yum makecache fast yum -y install docker-engine-1.13.1 yum install epel-release -y yum remove -y docker-engine* yum install -y kubernetes docker flannel

修改配置文件(10.135.163.237为主节点ip,139.199.0.29为当前节点ip)

sed -i "s/--hostname-override=127.0.0.1/--hostname-override=139.199.0.29/g" /etc/kubernetes/kubelet sed -i "s/127.0.0.1:8080/10.135.163.237:8080/g" /etc/kubernetes/kubelet sed -i "s/--address=127.0.0.1/--address=0.0.0.0/g" /etc/kubernetes/kubelet sed -i "s/127.0.0.1:8080/10.135.163.237:8080/g" /etc/kubernetes/config sed -i "s/127.0.0.1:2379/10.135.163.237:2379/g" /etc/sysconfig/flanneld sed -i "s/--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota/--admission_control=NamespaceLifecycle,NamespaceExists,LimitRanger,ResourceQuota/g" /etc/kubernetes/apiserver

启动服务

service docker start for SERVICES in kube-proxy kubelet docker flanneld; do systemctl restart $SERVICES systemctl enable $SERVICES systemctl status $SERVICES done;

在主服务器查看节点

kubectl get node

重启服务(重新加入集群)

systemctl restart kube-apiserver.service

删除节点

kubectl delete node 节点ip

总结

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