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Add .CreatedAt placeholder for docker network ls --format

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This fix tries to add a placeholder `.CreatedAt` for Go
format template in `docker network ls --format`.

While working on 29226, I noticed that it is not possible to
display network's creation time in `docker network ls`, with or
without `--format`.

We are able to find the timestamp through `docker network inspect` though.

However, as we allows networks to be pruned based on the timestamp
(see 29226), showing the timestamp in `docker network ls --format`
would be much useful now.

This fix adds the `.CreatedAt` placeholder for `docker network ls --format`.
The default output was not changed for `docker network ls --format`.

A test case for unit tests has been added.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
This commit is contained in:
Yong Tang 2017-01-04 15:17:54 -08:00 committed by Tibor Vass
parent 046aa9aa23
commit e541799eed
1 changed files with 11 additions and 10 deletions
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21
docs/reference/commandline/network_ls.md
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@ -182,16 +182,17 @@ using a Go template.
Valid placeholders for the Go template are listed below:
Placeholder | Description
------------|------------------------------------------------------------------------------------------
`.ID` | Network ID
`.Name` | Network name
`.Driver` | Network driver
`.Scope` | Network scope (local, global)
`.IPv6` | Whether IPv6 is enabled on the network or not.
`.Internal` | Whether the network is internal or not.
`.Labels` | All labels assigned to the network.
`.Label` | Value of a specific label for this network. For example `{{.Label "project.version"}}`
Placeholder | Description
-------------|------------------------------------------------------------------------------------------
`.ID` | Network ID
`.Name` | Network name
`.Driver` | Network driver
`.Scope` | Network scope (local, global)
`.IPv6` | Whether IPv6 is enabled on the network or not.
`.Internal` | Whether the network is internal or not.
`.Labels` | All labels assigned to the network.
`.Label` | Value of a specific label for this network. For example `{{.Label "project.version"}}`
`.CreatedAt` | Time when the network was created
When using the `--format` option, the `network ls` command will either
output the data exactly as the template declares or, when using the