1、x2CTyunOS工具基本布置图

   x2CTyunOS工具升级有自己搭建的本地YUM源，包括x2源以及CentOS7.x源，以及server端和被升级节点组成。于此同时x2CTyunOS工具默认支持CentOS7.2，CentOS7.4，CentOS7.6，CentOS7.9四种操作系统，其他的需要单独安装数据库安装文件。

2、升级详细过程

x2CTyunOS工具的升级有四个阶段：连通性测试，升级前检查，升级以及环境清理

2.1、连通性测试

1. 复制web上的CTyunOS的源migrate-xxx.repo到被升级节点
2. 检查名字和版本 uname -m ,uname -r
3. 检查空间 df |grep dev
4. 检查migrate-xxx.repo的连通性 yum clean all && yum makecache
5. 检查CentOS的源连通性：yum clean all && yum makecache
6. 检查目录是否存在：/usr,/run,/boot,/var,/etc
7. 删除migrate-xxx.repo

2.2 升级前检查

1. 复制x2openEuler-client-2.0.0-2.noarch.rpm 到被升级节点
2. 安装x2openEuler-client-2.0.0-2.noarch.rpm
3. 收集软件信息：x2openEuler-client upgrade-check-collect
4. 收集硬件信息：x2openEuler-client hardware-collect
5. 建立目录 /opt/x2openEuler-client

2.3 升级

1. 建立目录/opt/x2openEuler-upgrade
2. 复制文件到被升级节点：x2openEuler-upgrade-1.1.3-33.gp.06.x86_64.rpm
3. 安装文件：sh /opt/x2openEuler-upgrade/centos2openEuler.sh install /opt/x2openEuler-upgrade/x2openEuler-upgrade-1.1.3-33.gp.06.x86_64.rpm
4. 升级：sh /opt/x2openEuler-upgrade/centos2openEuler.sh upgrade /opt/x2openEuler-upgrade/upgrade/upgrade-pkg.json /opt/x2openEuler-upgrade/upgrade/migrate-ctyun.repo /usr,/run,/boot,/var,/etc empty_dir /.osbak empty_value

2.4 清理

   sh /opt/x2openEuler-upgrade/centos2openEuler.sh reboot