kubernetes work 节点运行如下组件：

• docker
• kubelet
• kube-proxy

安装和配置 flanneld，参考前边的配置。

1，安装依赖包

cat > magic.sh << "EOF"
#!/bin/bash

source /opt/k8s/bin/environment.sh

for node_ip in ${NODE_IPS[@]}
do
    echo ">>> ${node_ip}" 
    ssh root@${node_ip} "yum install -y epel-release"
    ssh root@${node_ip} "yum install -y conntrack ipvsadm ipset jq iptables curl sysstat libseccomp && /usr/sbin/modprobe ip_vs "
done
EOF