１、安装环境为CentOS 7

２、安装Docker

• yum install -y docker
• systemctl enable docker
• systemctl start docker

３、安装CNI

• cat <<EOF > /etc/yum.repos.d/kubernetes.repo
  [kubernetes]
  name=Kubernetes
  baseurl=http://yum.kubernetes.io/repos/kubernetes-el7-x86_64
  enabled=1
  gpgcheck=1
  repo_gpgcheck=1
  gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
         https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg
  EOF

• setenforce 0
• yum install -y kubernetes-cni

4、安装kubernetes其他组件

利用kubeadm部署kubernetes with flannel