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# kubeadm、kubelet版本我们选择1.28版本，docker版本选择24.0.0版本
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yum makecache && yum install -y kubeadm-1.28.0 kubelet-1.28.0 && yum install -y docker-ce-24.0.0
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# 查找工具
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yum list installed | grep docker        # 查找docker组件
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yum list installed | grep kubernetes    # 查找k8s组件
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# 查找对应依赖
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yum deplist xxx                                         # 提前记录依赖包名
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yum install yum-plugin-downloadonly                     # 安装构建rpm包工具
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yum reinstall --downloadonly --downloaddir=/root xxx    # 将相关工具及依赖包下载至/root目录下
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# 下载cri-dockerd作为工具间配合协作
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cd /root && wget <https://github.com/Mirantis/cri-dockerd/releases/download/v0.3.2/cri-dockerd-0.3.2-3.el7.x86_64.rpm>
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yum localinstall -y ./cri-dockerd-0.3.2-3.el7.x86_64.rpm  # 安装cri-dockerd工具
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# 编辑cri-dockerd服务配置
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vim /usr/lib/systemd/system/cri-docker.service
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ExecStart=/usr/bin/cri-dockerd --container-runtime-endpoint fd:// # 修改这段内容
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ExecStart=/usr/bin/cri-dockerd --container-runtime-endpoint fd:// --pod-infra-container-image=registry.aliyuncs.com/google_containers/pause:3.9 # 修改为这样

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systemctl enable docker && systemctl enable cri-docker && systemctl enable kubelet.service
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# 重启操作系统
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reboot
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# 重启后检查docker及cri-dockerd服务运行状态
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systemctl status docker     # 验证存活
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systemctl status cri-docker # 验证存活
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# kubelet服务目前暂未初始化，服务应该是处于down的状态，不需要检查

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# 镜像初始化
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kubeadm config images pull --image-repository=registry.aliyuncs.com/google_containers --cri-socket
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# 初始化完成不会有反馈，需要以下命令检查初始化情况
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docker images
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# 创建镜像保存目录
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mkdir /root/kubernetes
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# 将下载的容器镜像保存到目录中，注意记录[IMAGE ID]编号，非常有用
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docker save [IMAGE ID] > /root/kubernetes/kube-apiserver.tar
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docker save [IMAGE ID] > /root/kubernetes/kube-scheduler.tar
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docker save [IMAGE ID] > /root/kubernetes/kube-controller-manager.tar
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docker save [IMAGE ID] > /root/kubernetes/kube-proxy.tar
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docker save [IMAGE ID] > /root/kubernetes/etcd.tar
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docker save [IMAGE ID] > /root/kubernetes/coredns.tar
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docker save [IMAGE ID] > /root/kubernetes/pause.tar
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# 之后可以在测试环境尝试搭建master节点，以部署flannel、calico网络插件容器、dashboard容器等
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# 用同样的方式导出容器镜像，在生产环境离线部署时会用到

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# 假设上传位置与测试环境相同
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cd /root
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yum localinstall -y ./*         # 本地化安装kubeadm、kubelet、docker、cri-dockerd
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rpm -Uvh *.rpm --nodeps --force # 不考虑依赖的可以尝试这条命令安装
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# 同步修改cri-dockerd服务配置
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vim /usr/lib/systemd/system/cri-docker.service
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ExecStart=/usr/bin/cri-dockerd --container-runtime-endpoint fd:// # 将这段内容
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ExecStart=/usr/bin/cri-dockerd --container-runtime-endpoint fd:// --pod-infra-container-image=registry.aliyuncs.com/google_containers/pause:3.9 # 修改为这样
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# 启用服务
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systemctl enable docker && systemctl enable cri-docker && systemctl enable kubelet.service

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cd /root/kubernetes
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docker load < ./kubernetes/kube-apiserver.tar
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docker load < ./kubernetes/kube-scheduler.tar
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docker load < ./kubernetes/kube-controller-manager.tar
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docker load < ./kubernetes/kube-proxy.tar
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docker load < ./kubernetes/etcd.tar
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docker load < ./kubernetes/coredns.tar
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docker load < ./kubernetes/pause.tar
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# 容器镜像导入完成后，docker是不清楚容器信息的，所以我们得重新编写tag
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/kube-apiserver:v1.28.14
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/kube-scheduler:v1.28.14
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/kube-controller-manager:v1.28.14
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/kube-proxy:v1.28.14
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/etcd:3.5.9-0
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/coredns:v1.10.1
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docker tag [IMAGE ID] registry.aliyuncs.com/google_containers/pause:3.9