硬件要求
=== “最小化配置”
<table>
<thead>
<tr>
<th>角色</th>
<th>CPU核数</th>
<th>内存</th>
<th>系统盘</th>
<th>数量</th>
</tr>
</thead>
<tbody>
<tr>
<td>部署机</td>
<td>4</td>
<td>8G</td>
<td>100G</td>
<td>1</td>
</tr>
<tr>
<td>Master</td>
<td>4</td>
<td>8G</td>
<td>100G</td>
<td>1</td>
</tr>
<tr>
<td>Worker</td>
<td>4</td>
<td>8G</td>
<td>100G</td>
<td>1</td>
</tr>
<tbody>
</table>
=== “推荐配置”
<table>
<thead>
<tr>
<th>角色</th>
<th>CPU核数</th>
<th>内存</th>
<th>系统盘</th>
<th>数量</th>
</tr>
</thead>
<tbody>
<tr>
<td>部署机</td>
<td>8</td>
<td>16G</td>
<td>100G SSD</td>
<td>1</td>
</tr>
<tr>
<td>Master</td>
<td>8</td>
<td>16G</td>
<td>100G SSD</td>
<td>3</td>
</tr>
<tr>
<td>Worker</td>
<td>8</td>
<td>16G</td>
<td>系统盘: 100G<br>
数据盘: 300G(/var/lib/docker)</td>
<td>>3</td>
</tr>
</tbody>
</table>
软件要求
=== “kubeoperator 部署机”
<table>
<thead>
<tr>
<th>需求项</th>
<th>具体要求</th>
<th>参考(以CentOS7.6为例)</th>
</tr>
</thead>
<tbody>
<tr>
<td>操作系统</td>
<td>支持 Docker 的 Linux OS</td>
<td>cat /etc/redhat-release</td>
</tr>
<tr>
<td>CPU 架构</td>
<td>支持 x86_64 和 aarch64 </td>
<td>uname -m</td>
</tr>
<tr>
<td>kernel 版本</td>
<td>>=Linux 3.10.0-957.el7.x86_64</td>
<td>uname -sr</td>
</tr>
<tr>
<td>swap</td>
<td>关闭</td>
<td>swapoff -a<br>
sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab</td>
</tr>
<tr>
<td>防火墙</td>
<td>关闭</td>
<td>systemctl stop firewalld && systemctl disable firewalld</td>
</tr>
<tr>
<td>端口</td>
<td>所有节点防火墙必须放通 SSH(默认22)、80、8081-8083端口</td>
<td>firewall-cmd --zone=public --add-port=80/tcp --permanent</td>
</tr>
<tr>
<td>SELinux</td>
<td>关闭</td>
<td>setenforce 0<br>
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config</td>
</tr>
</tbody>
</table>
=== “kubernetes 集群节点”
<table>
<thead>
<tr>
<th>需求项</th>
<th>具体要求</th>
<th>参考(以CentOS7.6为例)</th>
</tr>
</thead>
<tbody>
<tr>
<td>操作系统</td>
<td><b>CentOS/RHEL 7.4 - 7.9 Minimal<br>
Ubuntu 20.04 / 18.04<br>
EulerOS 2.5(x86_64)<br>
EulerOS 2.8(arm64)<br>
银河麒麟操作系统v10</b></td>
<td>cat /etc/redhat-release</td>
</tr>
<tr>
<td>CPU 架构</td>
<td>支持 x86_64 和 aarch64 </td>
<td>uname -m</td>
</tr>
<tr>
<td>kernel 版本</td>
<td>>=Linux 3.10.0-957.el7.x86_64</td>
<td>uname -sr</td>
</tr>
<tr>
<td>swap</td>
<td>关闭。如果不满足,系统会有一定几率出现 io 飙升,造成 docker 卡死。kubelet 会启动失败(可以设置 kubelet 启动参数 --fail-swap-on 为 false 关闭 swap 检查)</td>
<td>swapoff -a<br>
sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab</td>
</tr>
<tr>
<td>防火墙</td>
<td>关闭。Kubernetes 官方要求</td>
<td>systemctl stop firewalld && systemctl disable firewalld</td>
</tr>
<tr>
<td>SELinux</td>
<td>关闭</td>
<td>setenforce 0<br>
sed -i "s/SELINUX=enforcing/SELINUX=disabled/g" /etc/selinux/config</td>
</tr>
<tr>
<td>时区</td>
<td>所有服务器时区必须统一,建议设置为 Asia/Shanghai</td>
<td>timedatectl set-timezone Asia/Shanghai</td>
</tr>
</tbody>
</table>
安装说明
=== “离线安装”
!!! info "请自行下载 KubeOperator [最新版本的离线安装包](https://community.fit2cloud.com/#/products/kubeoperator/downloads)"
!!! info ""
```sh
# 解压安装包
tar zxvf KubeOperator-release-{{ kubeoperator.version }}-amd64.tar.gz
# arm64 的包名是 KubeOperator-release-{{ kubeoperator.version }}-arm64.tar.gz
cd KubeOperator-release-{{ kubeoperator.version }}
# 运行安装脚本
/bin/bash install.sh
# 等待安装脚本执行完成后,查看 KubeOperator 状态
koctl status
```
=== “在线安装”
!!! info "默认使用 /opt/kubeoperator 目录作为安装目录,配置文件、数据及日志等均存放在该安装目录安装完成后,安装过程中产生的离线文件可删除,目录名: kubeoperator-release-{{ kubeoperator.version }}"
!!! info ""
```sh
# 以 root 用户 ssh 登录目标服务器, 执行如下命令
curl -sSL https://github.com/KubeOperator/KubeOperator/releases/latest/download/quick_start.sh -o quick_start.sh
bash quick_start.sh
```
!!! info “安装完成后,检查服务状态。若有有异常,可以使用 koctl restart 命令进行重新启动”
!!! info “”
```
[root@kubeoperator ~]# koctl status
Name Command State Ports
------------------------------------------------------------------------------------------------------------------------------------------------
kubeoperator_kobe sh /root/entrypoint.sh Up (healthy) 8080/tcp
kubeoperator_kotf kotf-server Up (healthy) 8080/tcp
kubeoperator_kubepi kubepi-server Up (healthy) 80/tcp
kubeoperator_mysql /entrypoint.sh mysqld Up (healthy) 3306/tcp, 33060/tcp
kubeoperator_nexus sh -c ${SONATYPE_DIR}/star ... Up (healthy) 0.0.0.0:8081->8081/tcp, 0.0.0.0:8082->8082/tcp, 0.0.0.0:8083->8083/tcp
kubeoperator_nginx /docker-entrypoint.sh ngin ... Up (healthy) 0.0.0.0:80->80/tcp
kubeoperator_server ko-server Up (healthy) 8080/tcp
kubeoperator_ui /docker-entrypoint.sh ngin ... Up (healthy) 80/tcp
kubeoperator_webkubectl sh /opt/webkubectl/start-w ... Up (healthy)
```
!!! info “登录”
```
地址: http://<ko服务器_ip>:80
用户名: admin
密码: kubeoperator@admin123
```
!!! info “帮助”
```sh
koctl --help
```
升级说明
=== “离线升级”
!!! info ""
```sh
# 离线升级需要提前下载离线安装包,并解压到 KubeOperator 部署机
# 进入升级包目录
cd KubeOperator-release-{{ kubeoperator.version }}
# 运行安装脚本
./koctl upgrade
# 查看 KubeOperator 状态
koctl status
```
=== “在线升级”
!!! info ""
```sh
# 升级到指定版本
koctl upgrade {{ kubeoperator.version }}
# 升级到最新版本
koctl upgrade
# 查看 KubeOperator 状态
koctl status
```
混合架构说明
!!! info “定义:混合架构是指使用 KubeOperator 部署同时包含 x86_64 和 arm64 架构节点的 Kubernetes 集群”
!!! info “”
如下图所示,混合部署需要提供 x86_64 和 arm64 架构的 nexus 仓库,以便于集群部署时可以下载到对应架构的资源,之后在 KubeOperator 系统设置添加不同架构的仓库信息即可。
例如:</br>
  1.可以分别部署两台不同架构的 KubeOperator(一台 arm64,一台 x86_64)</br>  2.使用 x86_64 架构的主机作为日常操作的主机</br>  3.将 arm64 的主机作为 arm 仓库使用并添加到 x86_64 的 KubeOperator 系统设置中