Show help message
$ docker-registry -h
usage: docker-registry [-h] [-d] [-f] [-l URL] [-t TIMEOUT] [-u USERNAME]
[-p PASSWORD]
{catalog,images,delete,manifest,blob} ...
positional arguments:
{catalog,images,delete,manifest,blob}
optional arguments:
-h, --help show this help message and exit
-d, --debug
-f, --plain
-l URL, --url URL
-t TIMEOUT, --timeout TIMEOUT
-u USERNAME, --username USERNAME
-p PASSWORD, --password PASSWORD
usage examples:
docker-registry catalog [name_regex] [tag_regex]
docker-registry images [name_regex] [tag_regex]
docker-registry manifest name tag
docker-registry blob name layer_digest output_file
docker-registry delete name image_digest
Show catalog
$ docker-registry catalog
+----------------------+-----------------------+----------+
| REGISTRY | NAME | TAG |
+----------------------+-----------------------+----------+
| registry.example.com | centos | latest |
| registry.example.com | centos7 | testing |
| registry.example.com | centos7 | stable |
| registry.example.com | centos7-base | testing |
| registry.example.com | centos7-base | stable |
+----------------------+-----------------------+----------+
| Total: 5 |
+----------------------+-----------------------+----------+
Show images
docker-registry images centos stable
+----------------------+-----------------------+--------+-------------------------------------------------------------------------+-----------+
| REGISTRY | NAME | TAG | DIGEST | SIZE |
+----------------------+-----------------------+--------+-------------------------------------------------------------------------+-----------+
| registry.example.com | centos7 | stable | sha256:0d121fa7987c60c3f7ecb8d7347d8e86683018625e44f3864e69b388087a4d0b | 69901729 |
| registry.example.com | centos7-base | stable | sha256:f6cd3c520b44bc3a2263c91a5d02822e6698033f376892ad78fc5c433fb1989e | 143913184 |
+----------------------+-----------------------+--------+-------------------------------------------------------------------------+-----------+
| Total: 2 |
+----------------------+-----------------------+--------+-------------------------------------------------------------------------+-----------+
Show image manifest
$ docker-registry manifest centos7 stable
{
"schemaVersion": 2,
"mediaType": "application/vnd.docker.distribution.manifest.v2+json",
"config": {
"mediaType": "application/octet-stream",
"size": 2574,
"digest": "sha256:feac5e0dfdb25597c61e19bf3c0a51bb865e7ba5e210eaca66648c02e0ff0d61"
},
"layers": [
{
"mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
"size": 69901729,
"digest": "sha256:a2392627bec4b444fc1eeee61f67c569116d85eac8a9ae20600e87d8a2ea9223"
}
]
}
Download layer blob
$ docker-registry blob centos7 sha256:a2392627bec4b444fc1eeee61f67c569116d85eac8a9ae20600e87d8a2ea9223 /tmp/centos7.tar.gz
Delete image
$ docker-registry delete centos7 sha256:0d121fa7987c60c3f7ecb8d7347d8e86683018625e44f3864e69b388087a4d0b