k8s集群部署-安装容器和k8s组件

#!/bin/bash
# 安装docker
wget https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo -O /etc/yum.repos.d/docker-ce.repo

yum -y install docker-ce  device-mapper-persistent-data lvm2 yum-utils


mkdir -p /etc/docker

tee /etc/docker/daemon.json <<-'EOF'
{
  "exec-opts": ["native.cgroupdriver=systemd"], 
  "registry-mirrors": ["https://j0o8wuwz.mirror.aliyuncs.com"], 
  "live-restore": true,
  "log-driver":"json-file",
  "log-opts": {"max-size":"500m", "max-file":"3"},
    "insecure-registries": ["hub.example.com"]
}
EOF
 
systemctl daemon-reload && systemctl enable docker && systemctl restart docker


cat > /etc/yum.repos.d/kubernetes.repo << EOF
[kubernetes]
name=Kubernetes
baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64
enabled=1
gpgcheck=0
repo_gpgcheck=0
gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg
EOF


yum -y install   kubeadm-1.23.6-0   kubectl-1.23.6-0 kubelet-1.23.6-0


cat >/etc/sysconfig/kubelet << EOF
KUBELET_EXTRA_ARGS="--cgroup-driver=systemd"
KUBE_PROXY_MODE="ipvs"
EOF

systemctl enable kubelet && systemctl start kubelet