准备机器，本次以虚拟机示范，系统都是CentOS7，以root用户的登录，实际应用中如果使用虚拟机，可以先创建一台，然后完成master和node都需要的配置之后，再克隆出多台。本次演示的机器ip分别为：
机器
IP
master
192.168.0.89
node1
192.168.0.90
node2
192.168.0.91
node3
192.168.0.92
node4
192.168.0.93
1 2 3 systemctl stop firewallddisable firewalld
1 yum -y install epel-release
1 yum -y install etcd kubernetes-master
/etc/etcd/etcd.conf1 2 3 4 ETCD_NAME =defaultETCD_DATA_DIR ="/var/lib/etcd/default.etcd" ETCD_LISTEN_CLIENT_URLS ="http://0.0.0.0:2379" ETCD_ADVERTISE_CLIENT_URLS ="http://localhost:2379"
/etc/kubernetes/apiserver1 2 3 4 5 6 7 KUBE_API_ADDRESS ="--insecure-bind-address=0.0.0.0" KUBE_API_PORT ="--port=8080" KUBELET_PORT ="--kubelet-port=10250" KUBE_ETCD_SERVERS ="--etcd-servers=http://127.0.0.1:2379" KUBE_SERVICE_ADDRESSES ="--service-cluster-ip-range=10.254.0.0/16" KUBE_ADMISSION_CONTROL ="--admission-control=NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota" KUBE_API_ARGS =""
1 for SERVICES in etcd kube-apiserver kube-controller-manager kube-scheduler; do systemctl restart $SERVICES ;systemctl enable $SERVICES ;systemctl status $SERVICES ; done
1 etcdctl mk /atomic.io/network/config '{"Network":"172.17.0.0/16"}'
1 yum -y install flannel kubernetes-node
/etc/sysconfig/flanneld文件1 2 FLANNEL_ETCD ="http://192.168.0.89:2379" FLANNEL_ETCD_KEY ="/atomic.io/network"
其中192.168.0.89改为你真实master机器ip
/etc/kubernetes/config文件1 2 3 4 KUBE_LOGTOSTDERR ="--logtostderr=true" KUBE_LOG_LEVEL ="--v=0" KUBE_ALLOW_PRIV ="--allow-privileged=false" KUBE_MASTER ="--master=http://192.168.0.89:8080"
其中192.168.0.89改为你真实master机器ip
/etc/kubernetes/kubelet1 2 3 4 5 6 KUBELET_ADDRESS ="--address=0.0.0.0" KUBELET_PORT ="--port=10250" KUBELET_HOSTNAME ="--hostname-override=192.168.0.90" KUBELET_API_SERVER ="--api-servers=http://192.168.0.89:8080" #指定Master节点的API Server KUBELET_POD_INFRA_CONTAINER ="--pod-infra-container-image=registry.access.redhat.com/rhel7/pod-infrastructure:latest" KUBELET_ARGS =""
其中192.168.0.89改为你真实master机器ip
其中192.168.0.90改为当前node自己的ip
1 for SERVICES in kube-proxy kubelet docker flanneld;do systemctl restart $SERVICES ;systemctl enable $SERVICES ;systemctl status $SERVICES ; done
在master机器上执行kubectl get node，成功如下：
参考：k8s入门系列之集群安装篇 ，CENTOS部署K8S
