hostnamectl set-hostname master yum install -y epel-release cat >> /etc/hosts << EOF 10.0.24.10 master 10.0.24.17 node1 EOF modprobe br_netfilter cat > /etc/rc.sysinit << EOF for file in /etc/sysconfig/modules/*.modules ; do [ -x $file ] && $file done EOF cat > /etc/sysconfig/modules/br_netfilter.modules << EOF modprobe br_netfilter EOF chmod 755 /etc/sysconfig/modules/br_netfilter.modules cat <<EOF > /etc/sysctl.d/k8s.conf net.ipv4.ip_forward=1 net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 EOF # 加载 sysctl -p /etc/sysctl.d/k8s.conf # 新增 Docker 仓库,速度慢的可以换阿里云的源。 yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo # 这部分用是阿里云的源，如果可以访问Google，则建议用官方的源（国内这个需要点科技感） cat <<EOF > /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=http://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64 enabled=1 gpgcheck=1 repo_gpgcheck=1 gpgkey=http://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg http://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg EOF timedatectl timedatectl set-ntp true yum list containerd* yum install -y containerd-1.2.14 mkdir -p /etc/containerd containerd config default > /etc/containerd/config.toml sed -i "s#k8s.gcr.io#registry.cn-hangzhou.aliyuncs.com/google_containers#g" /etc/containerd/config.toml sed -i "s#https://registry-1.docker.io#https://registry.cn-hangzhou.aliyuncs.com#g" /etc/containerd/config.toml sed -i '/containerd.runtimes.runc.options/a\ \ \ \ \ \ \ \ \ \ \ \ SystemdCgroup = true' /etc/containerd/config.toml cat > /etc/crictl.yaml <<EOF runtime-endpoint: unix:///run/containerd/containerd.sock image-endpoint: unix:///run/containerd/containerd.sock timeout: 10 debug: false EOF systemctl daemon-reload systemctl enable containerd systemctl restart containerd cat > /etc/default/kubelet <<EOF KUBELET_EXTRA_ARGS=--cgroup-driver=systemd EOF yum install -y kubelet kubeadm kubectl systemctl enable kubelet.service kubeadm config print init-defaults > init.yaml vim init.yaml kubeadm init --config=init.yaml mkdir -p $HOME/.kube sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config sudo chown $(id -u):$(id -g) $HOME/.kube/config kubectl apply -ffhttps://docs.projectcalico.org/manifests/calico.yaml
初始化文件
apiVersion: kubeadm.k8s.io/v1beta3 bootstrapTokens: - groups: - system:bootstrappers:kubeadm:default-node-token token: abcdef.0123456789abcdef ttl: 24h0m0s usages: - signing - authentication kind: InitConfiguration localAPIEndpoint: advertiseAddress: 0.0.0.0 bindPort: 6443 nodeRegistration: criSocket: /run/containerd/containerd.sock imagePullPolicy: IfNotPresent name: master taints: null --- apiServer: timeoutForControlPlane: 4m0s apiVersion: kubeadm.k8s.io/v1beta3 certificatesDir: /etc/kubernetes/pki clusterName: kubernetes-cluster controllerManager: {} dns: {} etcd: local: dataDir: /var/lib/etcd imageRepository: registry.aliyuncs.com/google_containers kind: ClusterConfiguration kubernetesVersion: 1.23.0 networking: dnsDomain: cluster.local serviceSubnet: 10.96.0.0/12 scheduler: {} --- apiVersion: kubelet.config.k8s.io/v1beta1 kind: KubeletConfiguration cgroupDriver: systemd
