docker降级操作

小鱼儿 2023-09-27 21:42 4阅读 0赞

我的场景：安装[rancher][]过程中，提示报错：

FATA[0001] Unsupported Docker version found [20.10.5], supported versions are [1.13.x 17.03.x 17.06.x 17.09.x 18.06.x 18.09.x 19.03.x]

![9d3123b71a77ca01df15f9e4c9155a9b.jpg][]

根据提示，我去查了下我的[docker][]版本是docker20.10版本

[root@localhost deploy]# docker version
    Client: Docker Engine - Community
     Version:           20.10.5
     API version:       1.41
     Go version:        go1.13.15
     Git commit:        55c4c88
     Built:             Tue Mar  2 20:33:55 2021
     OS/Arch:           linux/amd64
     Context:           default
     Experimental:      true
    
    Server: Docker Engine - Community
     Engine:
      Version:          20.10.5
      API version:      1.41 (minimum version 1.12)
      Go version:       go1.13.15
      Git commit:       363e9a8
      Built:            Tue Mar  2 20:32:17 2021
      OS/Arch:          linux/amd64
      Experimental:     false
     containerd:
      Version:          1.4.3
      GitCommit:        269548fa27e0089a8b8278fc4fc781d7f65a939b
     runc:
      Version:          1.0.0-rc92
      GitCommit:        ff819c7e9184c13b7c2607fe6c30ae19403a7aff
     docker-init:
      Version:          0.19.0
      GitCommit:        de40ad0

决定降级操作

语法：`yum downgrade --setopt=obsoletes=0 -y docker-ce-${version} docker-ce-selinux-${version}`

注：$\{ [version][]\}指定要降级的版本。

[root@localhost deploy]#  yum downgrade --setopt=obsoletes=0 -y docker-ce-19.03.13-3.el7 docker-ce-cli-19.03.13-3.el7 containerd.io

安装完成后，查看版本

[root@localhost deploy]# docker version
    Client: Docker Engine - Community
     Version:           19.03.13
     API version:       1.40
     Go version:        go1.13.15
     Git commit:        4484c46d9d
     Built:             Wed Sep 16 17:03:45 2020
     OS/Arch:           linux/amd64
     Experimental:      false
    
    Server: Docker Engine - Community
     Engine:
      Version:          19.03.13
      API version:      1.40 (minimum version 1.12)
      Go version:       go1.13.15
      Git commit:       4484c46d9d
      Built:            Wed Sep 16 17:02:21 2020
      OS/Arch:          linux/amd64
      Experimental:     false
     containerd:
      Version:          1.3.9
      GitCommit:        ea765aba0d05254012b0b9e595e995c09186427f
     runc:
      Version:          1.0.0-rc10
      GitCommit:        dc9208a3303feef5b3839f4323d9beb36df0a9dd
     docker-init:
      Version:          0.18.0
      GitCommit:        fec3683

已经降级成功

可能会出现镜像文件或者容器丢失情况，这是因为降级之前，以前的docker服务可能被指定了文件存放路径，接下来把降级后的启动服务文件修改到原来的文件路径即可。

找到之前存放的docker镜像文件，我的环境在/opt/data/docker，请以自己环境为准。

操作如下命令更改镜像存储位置，重新读取

[root@localhost deploy]# sed -i "s#-H fd:#-g /opt/data/docker -H fd:#g" /lib/systemd/system/docker.service
    [root@localhost deploy]# systemctl daemon-reload
    [root@localhost deploy]# systemctl restart docker

再查看镜像文件已读取到

[root@localhost deploy]# docker images

--------------------

[docker降级操作，20.10降级到19.03版本-阿里云开发者社区][docker_20.10_19.03_-]

[rancher]: https://so.csdn.net/so/search?q=rancher&spm=1001.2101.3001.7020
[9d3123b71a77ca01df15f9e4c9155a9b.jpg]: https://img-blog.csdnimg.cn/img_convert/9d3123b71a77ca01df15f9e4c9155a9b.jpg
[docker]: https://so.csdn.net/so/search?q=docker&spm=1001.2101.3001.7020
[version]: https://so.csdn.net/so/search?q=version&spm=1001.2101.3001.7020
[docker_20.10_19.03_-]: https://developer.aliyun.com/article/1148969