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Cobra allows for aliases to be defined for a command, but only allows these
to be defined at the same level (for example, `docker image ls` as alias for
`docker image list`). Our CLI has some commands that are available both as a
top-level shorthand as well as `docker <object> <verb>` subcommands. For example,
`docker ps` is a shorthand for `docker container ps` / `docker container ls`.
This patch introduces a custom "aliases" annotation that can be used to print
all available aliases for a command. While this requires these aliases to be
defined manually, in practice the list of aliases rarely changes, so maintenance
should be minimal.
As a convention, we could consider the first command in this list to be the
canonical command, so that we can use this information to add redirects in
our documentation in future.
Before this patch:
docker images --help
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
Options:
-a, --all Show all images (default hides intermediate images)
...
With this patch:
docker images --help
Usage: docker images [OPTIONS] [REPOSITORY[:TAG]]
List images
Aliases:
docker image ls, docker image list, docker images
Options:
-a, --all Show all images (default hides intermediate images)
...
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
740 B
740 B
title, description, keywords
| title | description | keywords |
|---|---|---|
| unpause | The unpause command description and usage | cgroups, suspend, container |
unpause
Usage: docker unpause CONTAINER [CONTAINER...]
Unpause all processes within one or more containers
Aliases:
docker container unpause, docker unpause
Options:
--help Print usage
Description
The docker unpause command un-suspends all processes in the specified containers.
On Linux, it does this using the freezer cgroup.
See the freezer cgroup documentation for further details.
Examples
$ docker unpause my_container
my_container