kubernetes v1.20.0

.vuepress/public/install-script/v1.19.x/init_master.sh

@@ -29,6 +29,7 @@ EOF
 
 # kubeadm init
 # 根据您服务器网速的情况，您需要等候 3 - 10 分钟
+kubeadm config images pull --config=kubeadm-config.yaml
 kubeadm init --config=kubeadm-config.yaml --upload-certs
 
 # 配置 kubectl

.vuepress/public/install-script/v1.20.x/init_master.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# 只在 master 节点执行
+
+# 脚本出错时终止执行
+set -e
+
+if [ ${#POD_SUBNET} -eq 0 ] || [ ${#APISERVER_NAME} -eq 0 ]; then
+  echo -e "\033[31;1m请确保您已经设置了环境变量 POD_SUBNET 和 APISERVER_NAME \033[0m"
+  echo 当前POD_SUBNET=$POD_SUBNET
+  echo 当前APISERVER_NAME=$APISERVER_NAME
+  exit 1
+fi
+
+
+# 查看完整配置选项 https://godoc.org/k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm/v1beta2
+rm -f ./kubeadm-config.yaml
+cat <<EOF > ./kubeadm-config.yaml
+apiVersion: kubeadm.k8s.io/v1beta2
+kind: ClusterConfiguration
+kubernetesVersion: v${1}
+imageRepository: registry.aliyuncs.com/k8sxio
+controlPlaneEndpoint: "${APISERVER_NAME}:6443"
+networking:
+  serviceSubnet: "10.96.0.0/16"
+  podSubnet: "${POD_SUBNET}"
+  dnsDomain: "cluster.local"
+EOF
+
+# kubeadm init
+# 根据您服务器网速的情况，您需要等候 3 - 10 分钟
+kubeadm config images pull --config=kubeadm-config.yaml
+kubeadm init --config=kubeadm-config.yaml --upload-certs
+
+# 配置 kubectl
+rm -rf /root/.kube/
+mkdir /root/.kube/
+cp -i /etc/kubernetes/admin.conf /root/.kube/config
+
+# 安装 calico 网络插件
+# 参考文档 https://docs.projectcalico.org/v3.13/getting-started/kubernetes/self-managed-onprem/onpremises
+echo "安装calico-3.13.1"
+rm -f calico-3.13.1.yaml
+wget https://kuboard.cn/install-script/calico/calico-3.13.1.yaml
+kubectl apply -f calico-3.13.1.yaml

.vuepress/public/install-script/v1.20.x/install_kubelet.sh

@@ -0,0 +1,112 @@
+#!/bin/bash
+
+# 在 master 节点和 worker 节点都要执行
+
+# 安装 docker
+# 参考文档如下
+# https://docs.docker.com/install/linux/docker-ce/centos/ 
+# https://docs.docker.com/install/linux/linux-postinstall/
+
+# 卸载旧版本
+apt-get remove -y docker \
+docker-client \
+docker-client-latest \
+docker-ce-cli \
+docker-common \
+docker-latest \
+docker-latest-logrotate \
+docker-logrotate \
+docker-selinux \
+docker-engine-selinux \
+docker-engine
+
+# 设置 apt-get repository
+apt-get update && apt-get install -y apt-transport-https lvm2
+curl -fsSL https://mirrors.aliyun.com/docker-ce/linux/ubuntu/gpg | sudo apt-key add -
+sudo add-apt-repository "deb [arch=amd64] https://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
+apt-get -y update
+
+# 安装并启动 docker
+apt-get install -y docker-ce=5:20.10.1~3-0~ubuntu-focal docker-ce-cli=5:20.10.1~3-0~ubuntu-focal containerd.io=
+
+mkdir /etc/docker || true
+
+cat > /etc/docker/daemon.json <<EOF
+{
+  "registry-mirrors": ["${REGISTRY_MIRROR}"],
+  "exec-opts": ["native.cgroupdriver=systemd"],
+  "log-driver": "json-file",
+  "log-opts": {
+    "max-size": "100m"
+  },
+  "storage-driver": "overlay2",
+  "storage-opts": [
+    "overlay2.override_kernel_check=true"
+  ]
+}
+EOF
+
+mkdir -p /etc/systemd/system/docker.service.d
+
+# Restart Docker
+systemctl daemon-reload
+systemctl enable docker
+systemctl restart docker
+
+# 安装 nfs-utils
+# 必须先安装 nfs-utils 才能挂载 nfs 网络存储
+apt-get install -y nfs-utils
+apt-get install -y wget
+
+# 关闭 防火墙
+systemctl stop firewalld
+systemctl disable firewalld
+
+# 关闭 SeLinux
+setenforce 0
+sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config
+
+# 关闭 swap
+swapoff -a
+yes | cp /etc/fstab /etc/fstab_bak
+cat /etc/fstab_bak |grep -v swap > /etc/fstab
+
+# 修改 /etc/sysctl.conf
+# 如果有配置，则修改
+sed -i "s#^net.ipv4.ip_forward.*#net.ipv4.ip_forward=1#g"  /etc/sysctl.conf
+sed -i "s#^net.bridge.bridge-nf-call-ip6tables.*#net.bridge.bridge-nf-call-ip6tables=1#g"  /etc/sysctl.conf
+sed -i "s#^net.bridge.bridge-nf-call-iptables.*#net.bridge.bridge-nf-call-iptables=1#g"  /etc/sysctl.conf
+sed -i "s#^net.ipv6.conf.all.disable_ipv6.*#net.ipv6.conf.all.disable_ipv6=1#g"  /etc/sysctl.conf
+sed -i "s#^net.ipv6.conf.default.disable_ipv6.*#net.ipv6.conf.default.disable_ipv6=1#g"  /etc/sysctl.conf
+sed -i "s#^net.ipv6.conf.lo.disable_ipv6.*#net.ipv6.conf.lo.disable_ipv6=1#g"  /etc/sysctl.conf
+sed -i "s#^net.ipv6.conf.all.forwarding.*#net.ipv6.conf.all.forwarding=1#g"  /etc/sysctl.conf
+# 可能没有，追加
+echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
+echo "net.bridge.bridge-nf-call-ip6tables = 1" >> /etc/sysctl.conf
+echo "net.bridge.bridge-nf-call-iptables = 1" >> /etc/sysctl.conf
+echo "net.ipv6.conf.all.disable_ipv6 = 1" >> /etc/sysctl.conf
+echo "net.ipv6.conf.default.disable_ipv6 = 1" >> /etc/sysctl.conf
+echo "net.ipv6.conf.lo.disable_ipv6 = 1" >> /etc/sysctl.conf
+echo "net.ipv6.conf.all.forwarding = 1"  >> /etc/sysctl.conf
+# 执行命令以应用
+sysctl -p
+
+# 配置K8S的apt-get源
+curl https://mirrors.aliyun.com/kubernetes/apt/doc/apt-key.gpg | apt-key add - 
+cat <<EOF > /etc/apt/sources.list.d/kubernetes.list
+deb https://mirrors.aliyun.com/kubernetes/apt/ kubernetes-xenial main
+EOF
+
+# 卸载旧版本
+apt-get remove -y kubelet kubeadm kubectl
+
+# 安装kubelet、kubeadm、kubectl
+# 将 ${1} 替换为 kubernetes 版本号，例如 1.19.0
+apt-get install -y kubelet=${1}-00 kubeadm=${1}-00 kubectl=${1}-00
+
+# 重启 docker，并启动 kubelet
+systemctl daemon-reload
+systemctl restart docker
+systemctl enable kubelet && systemctl start kubelet
+
+docker version