dockerregistry磁盘完整，没有想法来减肥
我有一个dockerregistry的服务器，并推动了很多次build设相同:latest标签现在我的DD已满，我不能得到如何饮食。
磁盘已满
df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 48G 45G 397M 100% / udev 10M 0 10M 0% /dev tmpfs 794M 81M 713M 11% /run tmpfs 2.0G 0 2.0G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup /dev/dm-1 9.8G 56M 9.2G 1% /var/lib/docker/devicemapper/mnt/2e895760700ac3e1575e496a4ac6adde4de6129226febba8c0c3126af1655ad9 shm 64M 0 64M 0% /var/lib/docker/containers/5aa47e34d1b8be22deeae473729b4e587e6e4bfe7fb3e262eda891bad4b05042/shm
没有摇摆的音量也没有图像
# docker volume ls -qf dangling=true # # docker images -f "dangling=true" -q #
[root@kvm22:/etc/cron.daily] # docker images REPOSITORY TAG IMAGE ID CREATED SIZE jwilder/nginx-proxy 0.5.0 72b65b5a6f38 4 weeks ago 248.4 MB registry 2 c9bd19d022f6 11 weeks ago 33.27 MB registry 2.5 c9bd19d022f6 11 weeks ago 33.27 MB images [root@kvm22:/etc/cron.daily] # docker images REPOSITORY TAG IMAGE ID CREATED SIZE jwilder/nginx-proxy 0.5.0 72b65b5a6f38 4 weeks ago 248.4 MB registry 2 c9bd19d022f6 11 weeks ago 33.27 MB registry 2.5 c9bd19d022f6 11 weeks ago 33.27 MB 磁盘使用率 # du -h -d 7 /var/lib/docker/volumes/ 12K /var/lib/docker/volumes/24000fbe2e81da06924be8f7ce81e07101824036bca5f87d4d811f2a6f7bfa7b/_data 16K /var/lib/docker/volumes/24000fbe2e81da06924be8f7ce81e07101824036bca5f87d4d811f2a6f7bfa7b 42G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/blobs/sha256 42G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/blobs 5.9M /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/repositories/labor-prod 5.9M /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/repositories 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data 43G /var/lib/docker/volumes/registry_docker-registry-volume 43G /var/lib/docker/volumes/ # du -h -d 7 /var/lib/docker/volumes/ 12K /var/lib/docker/volumes/24000fbe2e81da06924be8f7ce81e07101824036bca5f87d4d811f2a6f7bfa7b/_data 16K /var/lib/docker/volumes/24000fbe2e81da06924be8f7ce81e07101824036bca5f87d4d811f2a6f7bfa7b 42G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/blobs/sha256 42G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/blobs 5.9M /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/repositories/labor-prod 5.9M /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2/repositories 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry/v2 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker/registry 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data/docker 43G /var/lib/docker/volumes/registry_docker-registry-volume/_data 43G /var/lib/docker/volumes/registry_docker-registry-volume 43G /var/lib/docker/volumes/
docker version输出：
# docker --version Docker version 1.12.4, build 1564f02
docker info输出：
# docker info Containers: 4 Running: 1 Paused: 0 Stopped: 3 Images: 5 Server Version: 1.12.4 Storage Driver: devicemapper Pool Name: docker-8:1-1184923-pool Pool Blocksize: 65.54 kB Base Device Size: 10.74 GB Backing Filesystem: ext4 Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 1.058 GB Data Space Total: 107.4 GB Data Space Available: 3.036 GB Metadata Space Used: 2.142 MB Metadata Space Total: 2.147 GB Metadata Space Available: 2.145 GB Thin Pool Minimum Free Space: 10.74 GB Udev Sync Supported: true Deferred Removal Enabled: false Deferred Deletion Enabled: false Deferred Deleted Device Count: 0 Data loop file: /var/lib/docker/devicemapper/devicemapper/data WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device. Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.90 (2014-09-01) Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge null host overlay Swarm: inactive Runtimes: runc Default Runtime: runc Security Options: Kernel Version: 3.16.0-4-amd64 Operating System: Debian GNU/Linux 8 (jessie) OSType: linux Architecture: x86_64 CPUs: 2 Total Memory: 3.873 GiB Name: kvm22 ID: G6OC:EKKY:ER4W:3JVZ:25BI:FF2Y:YXVA:RZRR:WPAP:SASB:AJJA:DM6J Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ WARNING: No memory limit support WARNING: No swap limit support WARNING: No kernel memory limit support WARNING: No oom kill disable support WARNING: No cpu cfs quota support WARNING: No cpu cfs period support Insecure Registries: 127.0.0.0/8
我有同样的问题。 我不敢相信现在还没有现成的解决scheme。 无论如何，我一起砍了一个工具，似乎工作。
你可以在这里find它： https ： //github.com/Richie765/docker-tools
基本上它使用bash脚本来找出哪些清单是untagged。 然后通过registryAPI删除它们。 之后，您可以运行垃圾收集来实际删除数据。
我确定这个剧本并不完美。 任何改进都欢迎！
在这里find另一个工具 https://github.com/burnettk/delete-docker-registry-image
包括一个clean_old_version.py脚本。 我也试了一下。