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README
MulanPSL-2.0

CentOS 迁移 Anolis OS

该工具用于自动化就地迁移CentOS实例至Anolis OS实例。

支持版本

该工具支持迁移CentOS Linux 7和8,不支持CentOS Stream。

迁移准备

注意事项: 工具不是完美的,不可能处理所有可能的情况。

  1. 请确认在执行迁移前做好系统备份。
  2. 确认CentOS的yum/dnf配置可用。
  3. 保证/var/cache 有至少5GB空间。
  4. 禁用所有的自动更新,比如yum-cron 需要禁止。
  5. 确认CentOS系统没有安装i686软件包。

使用介绍

  1. 使用root运行。
  2. 确认系统安装python3。
  3. 下载工具centos2anolis.py
  4. 运行python3 centos2anolis.py 开始迁移。

选项介绍

  • -c 继续迁移

    迁移中断时,比如迁移过程中执行 yum distro-sync 意外中断,则可以使用该选项继续迁移。

  • -V 校验迁移前后的软件包

    该选项会在/var/tmp/ 目录下创建四个文件:

    • ${hostname}-rpms-list-[before|after].log: 迁移前后的系统软件包安装列表。
    • ${hostname}-rpms-verified-[before|after].log: 迁移前后系统安装软件包校验结果。
  • -s 加速选项

    工具默认从mirrors.openanolis.org下载软件包,有些场景下下载缓慢。

    该选项使用mirrors.aliyun.com加速下载。

  • --log_dir 设置自定义日志路径

    该选项会在用户自定义路径下创建日志文件centos2anolis.log,不使用该选项则会在默认路径/var/log/下创建日志centos2anolis.log

  • --progress_file 设置自定义执行状态信息json文件

    该选项会在用户自定义json文件路径下创建文件,不使用该选项则创建默认文件/var/log/centostoanolis.json

  • -l 离线迁移

    在无法接入到mirrors.openanolis.org 或 mirrors.aliyun.com时,可以使用本地源迁移系统。

    在运行工具之前,新建或者编辑Anolis仓库的repo文件:/etc/yum.repos.d/switch-to-anolis.repo , 将对应的 repo baseurl 地址改成本地源 repo 地址, 譬如,假设本地源地址为 http://local.repo.com/anolis , 则配置文件如下

    [an8_baseos]
    name=AnolisOS-8 - BaseOS
    baseurl=http://local.repo.com/anolis/8/BaseOS/$basearch/os
    gpgcheck=0
    enabled=1
    
    [an8_appstream]
    name=AnolisOS-8 - AppStream
    baseurl=http://local.repo.com/anolis/8/AppStream/$basearch/os
    gpgcheck=0
    enabled=1
  • --tool_version 查看脚本版本

    该选项会返回当前脚本centos2anolis.py的版本号。

问题反馈

任何问题,需求或者疑问,都可以在bugzilla.openanolis.cn上提交。

工具运行过程的日志记录在/var/log/centos2anolis.log,反馈问题时可附上日志文件。

License

Copyright (c) 2021-2022 OpenAnolis Community

查看LICENSE.txt获取更多信息。

木兰宽松许可证, 第2版 木兰宽松许可证, 第2版 2020年1月 http://license.coscl.org.cn/MulanPSL2 您对“软件”的复制、使用、修改及分发受木兰宽松许可证,第2版(“本许可证”)的如下条款的约束: 0. 定义 “软件” 是指由“贡献”构成的许可在“本许可证”下的程序和相关文档的集合。 “贡献” 是指由任一“贡献者”许可在“本许可证”下的受版权法保护的作品。 “贡献者” 是指将受版权法保护的作品许可在“本许可证”下的自然人或“法人实体”。 “法人实体” 是指提交贡献的机构及其“关联实体”。 “关联实体” 是指,对“本许可证”下的行为方而言,控制、受控制或与其共同受控制的机构,此处的控制是指有受控方或共同受控方至少50%直接或间接的投票权、资金或其他有价证券。 1. 授予版权许可 每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的版权许可,您可以复制、使用、修改、分发其“贡献”,不论修改与否。 2. 授予专利许可 每个“贡献者”根据“本许可证”授予您永久性的、全球性的、免费的、非独占的、不可撤销的(根据本条规定撤销除外)专利许可,供您制造、委托制造、使用、许诺销售、销售、进口其“贡献”或以其他方式转移其“贡献”。前述专利许可仅限于“贡献者”现在或将来拥有或控制的其“贡献”本身或其“贡献”与许可“贡献”时的“软件”结合而将必然会侵犯的专利权利要求,不包括对“贡献”的修改或包含“贡献”的其他结合。如果您或您的“关联实体”直接或间接地,就“软件”或其中的“贡献”对任何人发起专利侵权诉讼(包括反诉或交叉诉讼)或其他专利维权行动,指控其侵犯专利权,则“本许可证”授予您对“软件”的专利许可自您提起诉讼或发起维权行动之日终止。 3. 无商标许可 “本许可证”不提供对“贡献者”的商品名称、商标、服务标志或产品名称的商标许可,但您为满足第4条规定的声明义务而必须使用除外。 4. 分发限制 您可以在任何媒介中将“软件”以源程序形式或可执行形式重新分发,不论修改与否,但您必须向接收者提供“本许可证”的副本,并保留“软件”中的版权、商标、专利及免责声明。 5. 免责声明与责任限制 “软件”及其中的“贡献”在提供时不带任何明示或默示的担保。在任何情况下,“贡献者”或版权所有者不对任何人因使用“软件”或其中的“贡献”而引发的任何直接或间接损失承担责任,不论因何种原因导致或者基于何种法律理论,即使其曾被建议有此种损失的可能性。 6. 语言 “本许可证”以中英文双语表述,中英文版本具有同等法律效力。如果中英文版本存在任何冲突不一致,以中文版为准。 条款结束 如何将木兰宽松许可证,第2版,应用到您的软件 如果您希望将木兰宽松许可证,第2版,应用到您的新软件,为了方便接收者查阅,建议您完成如下三步: 1, 请您补充如下声明中的空白,包括软件名、软件的首次发表年份以及您作为版权人的名字; 2, 请您在软件包的一级目录下创建以“LICENSE”为名的文件,将整个许可证文本放入该文件中; 3, 请将如下声明文本放入每个源文件的头部注释中。 Copyright (c) [Year] [name of copyright holder] [Software Name] is licensed under Mulan PSL v2. You can use this software according to the terms and conditions of the Mulan PSL v2. You may obtain a copy of Mulan PSL v2 at: http://license.coscl.org.cn/MulanPSL2 THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. See the Mulan PSL v2 for more details. Mulan Permissive Software License,Version 2 Mulan Permissive Software License,Version 2 (Mulan PSL v2) January 2020 http://license.coscl.org.cn/MulanPSL2 Your reproduction, use, modification and distribution of the Software shall be subject to Mulan PSL v2 (this License) with the following terms and conditions: 0. Definition Software means the program and related documents which are licensed under this License and comprise all Contribution(s). Contribution means the copyrightable work licensed by a particular Contributor under this License. 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简介

该工具用于自动化就地迁移CentOS实例至Anolis OS实例。 要提交代码的话去 rpm tree (由于代码简单,就不单开两个仓库了): https://gitee.com/src-anolis-sig/centos2anolis 展开 收起
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