Update filtering chapters on ps/images references

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
This commit is contained in:
Vincent Demeester 2015-08-27 08:47:03 +02:00
parent ee2c476f22
commit 61de442c49
2 changed files with 122 additions and 3 deletions

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@ -123,7 +123,7 @@ The currently supported filters are:
* dangling (boolean - true or false)
* label (`label=<key>` or `label=<key>=<value>`)
##### Untagged images
##### Untagged images (dangling)
$ docker images --filter "dangling=true"
@ -155,3 +155,27 @@ Ready for use by `docker rmi ...`, like:
NOTE: Docker will warn you if any containers exist that are using these untagged images.
##### Labeled images
The `label` filter matches images based on the presence of a `label` alone or a `label` and a
value.
The following filter matches images with the `com.example.version` label regardless of its value.
$ docker images --filter "label=com.example.version"
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
match-me-1 latest eeae25ada2aa About a minute ago 188.3 MB
match-me-2 latest eeae25ada2aa About a minute ago 188.3 MB
The following filter matches images with the `com.example.version` label with the `1.0` value.
$ docker images --filter "label=com.example.version=1.0"
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
match-me latest eeae25ada2aa About a minute ago 188.3 MB
In this example, with the `0.1` value, it returns an empty set because no matches were found.
$ docker images --filter "label=com.example.version=0.1"
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE

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@ -51,7 +51,47 @@ The currently supported filters are:
* exited (int - the code of exited containers. Only useful with `--all`)
* status (created|restarting|running|paused|exited)
## Successfully exited containers
#### Label
The `label` filter matches containers based on the presence of a `label` alone or a `label` and a
value.
The following filter matches containers with the `color` label regardless of its value.
$ docker ps --filter "label=color"
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
673394ef1d4c busybox "top" 47 seconds ago Up 45 seconds nostalgic_shockley
d85756f57265 busybox "top" 52 seconds ago Up 51 seconds high_albattani
The following filter matches containers with the `color` label with the `blue` value.
$ docker ps --filter "label=color=blue"
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
d85756f57265 busybox "top" About a minute ago Up About a minute high_albattani
#### Name
The `name` filter matches on all or part of a container's name.
The following filter matches all containers with a name containing the `nostalgic_stallman` string.
$ docker ps --filter "name=nostalgic_stallman"
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
9b6247364a03 busybox "top" 2 minutes ago Up 2 minutes nostalgic_stallman
You can also filter for a substring in a name as this shows:
$ docker ps --filter "name=nostalgic"
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
715ebfcee040 busybox "top" 3 seconds ago Up 1 seconds i_am_nostalgic
9b6247364a03 busybox "top" 7 minutes ago Up 7 minutes nostalgic_stallman
673394ef1d4c busybox "top" 38 minutes ago Up 38 minutes nostalgic_shockley
#### Exited
The `exited` filter matches containers by exist status code. For example, to filter for containers
that have exited successfully:
$ docker ps -a --filter 'exited=0'
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
@ -59,7 +99,62 @@ The currently supported filters are:
106ea823fe4e fedora:latest /bin/sh -c 'bash -l' 2 weeks ago Exited (0) 2 weeks ago determined_albattani
48ee228c9464 fedora:20 bash 2 weeks ago Exited (0) 2 weeks ago tender_torvalds
This shows all the containers that have exited with status of '0'
#### Status
The `status` filter matches containers by status. You can filter using `created`, `restarting`, `running`, `paused` and `exited`. For example, to filter for `running` containers:
$ docker ps --filter status=running
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
715ebfcee040 busybox "top" 16 minutes ago Up 16 minutes i_am_nostalgic
d5c976d3c462 busybox "top" 23 minutes ago Up 23 minutes top
9b6247364a03 busybox "top" 24 minutes ago Up 24 minutes nostalgic_stallman
To filter for `paused` containers:
$ docker ps --filter status=paused
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
673394ef1d4c busybox "top" About an hour ago Up About an hour (Paused) nostalgic_shockley
#### Ancestor
The `ancestor` filter matches containers based on its image or a descendant of it. The filter supports the
following image representation:
- image
- image:tag
- image:tag@digest
- short-id
- full-id
If you don't specify a `tag`, the `latest` tag is used. For example, to filter for containers that use the
latest `ubuntu` image:
$ docker ps --filter ancestor=ubuntu
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
919e1179bdb8 ubuntu-c1 "top" About a minute ago Up About a minute admiring_lovelace
5d1e4a540723 ubuntu-c2 "top" About a minute ago Up About a minute admiring_sammet
82a598284012 ubuntu "top" 3 minutes ago Up 3 minutes sleepy_bose
bab2a34ba363 ubuntu "top" 3 minutes ago Up 3 minutes focused_yonath
Match containers based on the `ubuntu-c1` image which, in this case, is a child of `ubuntu`:
$ docker ps --filter ancestor=ubuntu-c1
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
919e1179bdb8 ubuntu-c1 "top" About a minute ago Up About a minute admiring_lovelace
Match containers based on the `ubuntu` version `12.04.5` image:
$ docker ps --filter ancestor=ubuntu:12.04.5
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
82a598284012 ubuntu:12.04.5 "top" 3 minutes ago Up 3 minutes sleepy_bose
The following matches containers based on the layer `d0e008c6cf02` or an image that have this layer
in it's layer stack.
$ docker ps --filter ancestor=d0e008c6cf02
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
82a598284012 ubuntu:12.04.5 "top" 3 minutes ago Up 3 minutes sleepy_bose
## Formatting