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Update default output format for stats to include ID and Name 

The `docker container stats` output has a column (`CONTAINER`), that shows either
the container _id_ or container _name_, depending on the arguments given.

For example, running `docker container stats foobar` shows:

    CONTAINER           CPU %               MEM USAGE / LIMIT     MEM %               NET I/O             BLOCK I/O           PIDS
    foobar              0.00%               1.938MiB / 1.952GiB   0.10%               782B / 0B           4.11MB / 0B         2

Whereas `docker container stats 67b2525d8ad1` (`67b2525d8ad1` being the ID for
container `foobar`) shows:

    CONTAINER           CPU %               MEM USAGE / LIMIT     MEM %               NET I/O             BLOCK I/O           PIDS
    67b2525d8ad1        0.00%               1.938MiB / 1.952GiB   0.10%               916B / 0B           4.11MB / 0B         2

This behavior is confusing.

This patch updates the default output format for `docker stats` to use separate
columns for container ID and container Name (similar to `docker container ls`).

With this patch applied, both commands show the same output:

    $ docker container stats foobar
    CONTAINER ID                                                       NAME                CPU %               MEM USAGE / LIMIT     MEM %               NET I/O             BLOCK I/O           PIDS
    67b2525d8ad10bb236a49960e93c09993b0baabeef12c2d46cd5f4fbb6f4808c   foobar              0.00%               1.938MiB / 1.952GiB   0.10%               1.25kB / 0B         4.11MB / 0B         2

    $ docker container stats 67b2525d8ad1
    CONTAINER ID                                                       NAME                CPU %               MEM USAGE / LIMIT     MEM %               NET I/O             BLOCK I/O           PIDS
    67b2525d8ad10bb236a49960e93c09993b0baabeef12c2d46cd5f4fbb6f4808c   foobar              0.00%               1.938MiB / 1.952GiB   0.10%               1.31kB / 0B         4.11MB / 0B         2

Users that want to use the old format can configure a custom format in the
cli configuration file (`~/.docker/config.json`);

on Linux:

    {
      "statsFormat" : "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDs}}"
    }

on Windows:

    {
      "statsFormat" : "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}"
    }

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2017-09-27 18:05:51 +02:00
parent feb4d79935
commit 0a78472211
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1 changed files with 2 additions and 2 deletions
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4
cli/command/formatter/stats.go
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@ -9,8 +9,8 @@ import (
const (
winOSType = "windows"
defaultStatsTableFormat = "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDs}}"
winDefaultStatsTableFormat = "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}"
defaultStatsTableFormat = "table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDs}}"
winDefaultStatsTableFormat = "table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}"
containerHeader = "CONTAINER"
cpuPercHeader = "CPU %"