143 lines
4.2 KiB
Markdown
143 lines
4.2 KiB
Markdown
> 本文作者：丁辉
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# Kubeadm部署单机Kubernetes(Docker)
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> Kubernetes v1.24 以后需要额外安装 cri-dockerd , Kubernetes 就正常识别到 Docker
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>
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| 节点名 | IP |
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| :----: | :----------: |
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| master | 192.168.1.10 |
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## 环境准备
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> !!!每次部署都写挺麻烦的索性都放在一个文件内了请查看 [Kubernetes基础环境准备](https://gitee.com/offends/Kubernetes/blob/main/部署文档/Kubernetes基础环境准备.md) ,请按照此文档初始化环境
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1. 配置主机名
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```bash
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hostnamectl set-hostname master && bash
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```
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2. 配置主机 hosts
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```bash
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vi /etc/hosts
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```
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添加如下内容
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```bash
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192.168.1.10 master
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```
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## 安装Docker
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请跳转此文档 [Docker网络安装](https://gitee.com/offends/Kubernetes/blob/main/Docker/Docs/Centos%E5%AE%89%E8%A3%85Docker.md)
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## 安装Cri-dockerd
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[Github软件包下载](https://github.com/Mirantis/cri-dockerd/releases)
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1. 下载
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```bash
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wget https://github.com/Mirantis/cri-dockerd/releases/download/v0.3.8/cri-dockerd-0.3.8-3.el7.x86_64.rpm
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```
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2. 安装
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```bash
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rpm -ivh *.rpm --force --nodeps
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```
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3. 配置国内源
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```bash
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vi /usr/lib/systemd/system/cri-docker.service
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```
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修改
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```bash
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ExecStart=/usr/bin/cri-dockerd --network-plugin=cni --pod-infra-container-image=registry.aliyuncs.com/google_containers/pause:3.9
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```
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4. 启动
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```bash
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systemctl daemon-reload
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systemctl enable cri-docker.socket cri-docker
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systemctl start cri-docker.socket cri-docker
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systemctl status cri-docker.socket
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systemctl status cri-docker
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```
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## 安装Runc
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[Github软件包下载](https://github.com/opencontainers/runc/releases)
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1. 下载
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```bash
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wget https://github.com/opencontainers/runc/releases/download/v1.1.10/runc.amd64
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```
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2. 安装
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```bash
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install -m 755 runc.amd64 /usr/local/bin/runc
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```
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## 安装Kubeadm
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请跳转此文档 [安装Kubeadm](https://gitee.com/offends/Kubernetes/blob/main/部署文档/Kubeadm/安装Kubeadm.md)
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## 安装Kubernetes
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1. Kubernetes 安装
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```bash
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kubeadm init \
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--node-name=master \
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--image-repository=registry.aliyuncs.com/google_containers \
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--cri-socket=unix:///var/run/cri-dockerd.sock \
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--apiserver-advertise-address=192.168.1.10 \
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--pod-network-cidr=10.244.0.0/16 \
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--service-cidr=10.96.0.0/12
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```
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**参数解释**
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| 参数 | 说明 |
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| :------------------------------: | :----------------------------------------------------------: |
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| `--node-name=master` | 指定节点的名称为“master”。 |
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| `--image-repository=` | 指定容器镜像仓库地址，此处指定了镜像仓库为registry.aliyuncs.com/google_containers。 |
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| `--cri-socket=` | 指定容器运行时接口（CRI）的Unix套接字文件路径，用于与容器运行时通信。此处设置为`unix:///var/run/cri-dockerd.sock`，与CRI-Dockerd通信。 |
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| `--apiserver-advertise-address=` | 指定API服务器公告地址，即API服务器将会公布的地址。在此设置为`192.168.1.10`。 |
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| `--pod-network-cidr=` | 指定Pod网络的CIDR地址段。这个CIDR地址段用于分配给Pod。在此设置为`10.244.0.0/16`。 |
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| `--service-cidr=` | 指定Service的CIDR地址段。这个CIDR地址段用于分配给Service。在此设置为`10.96.0.0/12`。 |
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2. 根据提示配置文件
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```bash
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mkdir -p $HOME/.kube
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sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
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sudo chown $(id -u):$(id -g) $HOME/.kube/config
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export KUBECONFIG=/etc/kubernetes/admin.conf
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```
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> 永久生效
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>
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> ```bash
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> echo "export KUBECONFIG=/etc/kubernetes/admin.conf" >> ~/.bash_profile
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> source ~/.bash_profile
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> ```
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## 安装网络插件
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请跳转此文档
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- [Flannel网络插件安装](https://gitee.com/offends/Kubernetes/blob/main/部署文档/网络插件安装/Flannel网络插件安装.md)
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- [Calico网络插件安装](https://gitee.com/offends/Kubernetes/blob/main/部署文档/网络插件安装/Calico网络插件安装.md)
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