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moby--moby/docs/reference/commandline/network_prune.md
Yong Tang 58738cdee3 Add --filter until=<timestamp> for docker container/image prune
This fix is a follow up for comment
https://github.com/docker/docker/pull/28535#issuecomment-263215225

This fix provides `--filter until=<timestamp>` for `docker container/image prune`.

This fix adds `--filter until=<timestamp>` to `docker container/image prune`
so that it is possible to specify a timestamp and prune those containers/images
that are earlier than the timestamp.

Related docs has been updated

Several integration tests have been added to cover changes.

This fix fixes #28497.

This fix is related to #28535.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2017-01-04 14:16:42 -08:00

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title description keywords
network prune Remove unused networks network, prune, delete

network prune

Usage:	docker network prune [OPTIONS]

Remove all unused networks

Options:
      --filter filter   Provide filter values (e.g. 'until=<timestamp>')
  -f, --force           Do not prompt for confirmation
      --help            Print usage

Remove all unused networks. Unused networks are those which are not referenced by any containers.

Example output:

$ docker network prune
WARNING! This will remove all networks not used by at least one container.
Are you sure you want to continue? [y/N] y
Deleted Networks:
n1
n2

Filtering

The filtering flag (-f or --filter) format is of "key=value". If there is more than one filter, then pass multiple flags (e.g., --filter "foo=bar" --filter "bif=baz")

The currently supported filters are:

  • until (<timestamp>) - only remove networks created before given timestamp

The until filter can be Unix timestamps, date formatted timestamps, or Go duration strings (e.g. 10m, 1h30m) computed relative to the daemon machines time. Supported formats for date formatted time stamps include RFC3339Nano, RFC3339, 2006-01-02T15:04:05, 2006-01-02T15:04:05.999999999, 2006-01-02Z07:00, and 2006-01-02. The local timezone on the daemon will be used if you do not provide either a Z or a +-00:00 timezone offset at the end of the timestamp. When providing Unix timestamps enter seconds[.nanoseconds], where seconds is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (aka Unix epoch or Unix time), and the optional .nanoseconds field is a fraction of a second no more than nine digits long.

The following removes networks created more than 5 minutes ago. Note that system networks such as bridge, host, and none will never be pruned:

$ docker network ls
NETWORK ID          NAME                DRIVER              SCOPE
7430df902d7a        bridge              bridge              local
ea92373fd499        foo-1-day-ago       bridge              local
ab53663ed3c7        foo-1-min-ago       bridge              local
97b91972bc3b        host                host                local
f949d337b1f5        none                null                local

$ docker network prune --force --filter until=5m
Deleted Networks:
foo-1-day-ago

$ docker network ls
NETWORK ID          NAME                DRIVER              SCOPE
7430df902d7a        bridge              bridge              local
ab53663ed3c7        foo-1-min-ago       bridge              local
97b91972bc3b        host                host                local
f949d337b1f5        none                null                local