Nexus 3.x清理docker镜像

我们在使用Nexus做maven、docker的私有仓库。由于项目迭代过多，ci时推送的镜像过多，导致nexus占用的磁盘空间较大。此文档用于记录清理无用docker镜像的过程。使用清理 Nexus 中 Docker 镜像的小工具 — nexus-cli。

下载脚本

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$ wget https://s3.eu-west-2.amazonaws.com/nexus-cli/1.0.0-beta/linux/nexus-cli
$ chmod +x nexus-cli
$ mv nexus-cli /usr/local/bin/

配置待清理的库

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$ nexus-cli configure
Enter Nexus Host: http://172.16.xx.xx:30881
Enter Nexus Repository Name: docker-repo-hosted
Enter Nexus Username: admin
Enter Nexus Password: xxxxxx

列出所有镜像

nexus-cli的相关命令参考官方某博客

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$ nexus-cli image ls
......
bl-trex-job
bl-trex-web
bl-trex-web-dev
bl-trex-web-test
bl-trex-websocket
bl-websocket
ladeit-web-dev
......

清理镜像

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# 清理镜像的tag 保留最新的15个tag
$ nexus-cli image delete --name  ladeit-web-dev  --keep 15
ladeit-web-dev:0.0.1 image will be deleted ...
ladeit-web-dev:0.0.1 has been successful deleted
ladeit-web-dev:5597 image will be deleted ...
ladeit-web-dev:5597 has been successful deleted
ladeit-web-dev:5601 image will be deleted ...
ladeit-web-dev:5601 has been successful deleted
ladeit-web-dev:5604 image will be deleted ...
ladeit-web-dev:5604 has been successful deleted