1. kube-proxy开启ipvs的前置条件
    1. modprobe br_netfilter 
    4. cat > /etc/sysconfig/modules/ipvs.modules <<EOF 
    5. # !/bin/bash 
    6. modprobe -- ip_vs 
    7. modprobe -- ip_vs_rr 
    8. modprobe -- ip_vs_wrr 
    9. modprobe -- ip_vs_sh 
    10. modprobe -- nf_conntrack_ipv4 
    11. EOF 
    14. chmod 755 /etc/sysconfig/modules/ipvs.modules && bash /etc/sysconfig/modules/ipvs.modules &&  
    15. lsmod  | grep -e ip_vs -e nf_conntrack_ipv4
    1. 安装 Docker 软件
    1. yum install -y yum-utils device-mapper-persistent-data lvm2
    3. yum-config-manager \
    4.   --add-repo \
    5.   http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
    7. yum update -y && yum install -y docker-ce
    9. ## 创建 /etc/docker 目录
    10. mkdir /etc/docker
    12. # 配置 daemon.
    13. cat > /etc/docker/daemon.json <<EOF
    14. {
    15.   "exec-opts": ["native.cgroupdriver=systemd"],
    16.   "log-driver": "json-file",
    17.   "log-opts": {
    18.     "max-size": "100m"
    19.   }
    20. }
    21. EOF
    23. mkdir -p /etc/systemd/system/docker.service.d
    25. # 重启docker服务
    26. systemctl daemon-reload && systemctl restart docker && systemctl enable docker
    1. 安装 Kubeadm （主从配置）
    1. cat <<EOF > /etc/yum.repos.d/kubernetes.repo
    2. [kubernetes]
    3. name=Kubernetes
    4. baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
    5. enabled=1
    6. gpgcheck=0
    7. repo_gpgcheck=0
    8. gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg 
    9. http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
    10. EOF
    13. yum -y  install  kubeadm-1.15.1 kubectl-1.15.1 kubelet-1.15.1
    15. systemctl enable kubelet.service
    1. 初始化主节点
    1. kubeadm config print init-defaults > kubeadm-config.yaml
    2.     localAPIEndpoint:
    3.         advertiseAddress: 192.168.66.10
    4.     kubernetesVersion: v1.15.1
    5.     networking:
    6.       podSubnet: "10.244.0.0/16"
    7.       serviceSubnet: 10.96.0.0/12
    8.     ---
    9.     apiVersion: kubeproxy.config.k8s.io/v1alpha1
    10.     kind: KubeProxyConfiguration
    11.     featureGates:
    12.       SupportIPVSProxyMode: true
    13.     mode: ipvs
    15. kubeadm init --config=kubeadm-config.yaml --experimental-upload-certs  | tee kubeadm-init.log
    1. 加入主节点以及其余工作节点
    1. 执行安装日志中的加入命令即可
    1. 部署网络
    1. kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml