mirror of https://github.com/docker/cli.git
Add --no-trunc option to docker container stats
This patch adds a `--no-trunc` option to `docker container stats`;
With this patch applied, the default output is:
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
b95a83497c91 awesome_brattain 0.28% 5.629MiB / 1.952GiB 0.28% 916B / 0B 147kB / 0B 9
67b2525d8ad1 foobar 0.00% 1.727MiB / 1.952GiB 0.09% 2.48kB / 0B 4.11MB / 0B 2
e5c383697914 test-1951.1.kay7x1lh1twk9c0oig50sd5tr 0.00% 196KiB / 1.952GiB 0.01% 71.2kB / 0B 770kB / 0B 1
4bda148efbc0 random.1.vnc8on831idyr42slu578u3cr 0.00% 1.672MiB / 1.952GiB 0.08% 110kB / 0B 578kB / 0B 2
84e3deaa45b2 registry 0.01% 3.402MiB / 1.952GiB 0.17% 127kB / 378B 233kB / 0B 10
2ed915778ceb foo.1.lsmxrefn5yp9c9ijz1hzgdq4u 0.00% 1.727MiB / 1.952GiB 0.09% 166kB / 7.76kB 614kB / 0B 2
Addin the `--no-trunc` option, changes the output to:
CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
b95a83497c9161c9b444e3d70e1a9dfba0c1840d41720e146a95a08ebf938afc awesome_brattain 0.25% 5.75MiB / 1.952GiB 0.29% 648B / 0B 147kB / 0B 10
67b2525d8ad10bb236a49960e93c09993b0baabeef12c2d46cd5f4fbb6f4808c foobar 0.00% 1.727MiB / 1.952GiB 0.09% 2.35kB / 0B 4.11MB / 0B 2
e5c383697914b98b10cbbc9d0bd324b7b927099ac584f031057b8208d2fba9b1 test-1951.1.kay7x1lh1twk9c0oig50sd5tr 0.00% 196KiB / 1.952GiB 0.01% 71.1kB / 0B 770kB / 0B 1
4bda148efbc006b0063373c3678083159af89f8cc83a6a28def14cb0dd171f70 random.1.vnc8on831idyr42slu578u3cr 0.00% 1.672MiB / 1.952GiB 0.08% 110kB / 0B 578kB / 0B 2
84e3deaa45b2fc363e06167df9b90ab59f88d4f101e3f9b8df03a62a8f6783e1 registry 0.00% 3.387MiB / 1.952GiB 0.17% 127kB / 378B 233kB / 0B 10
2ed915778cebddf9ec69263a75cfdcf00962a5198d94d42cda75d5cd45bb82f2 foo.1.lsmxrefn5yp9c9ijz1hzgdq4u 0.00% 1.727MiB / 1.952GiB 0.09% 166kB / 7.76kB 614kB / 0B 2
Which is the same as the default before this patch was applied.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
parent
0a78472211
commit
e63417a9c0
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@ -21,6 +21,7 @@ import (
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type statsOptions struct {
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all bool
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noStream bool
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noTrunc bool
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format string
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containers []string
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}
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@ -42,6 +43,7 @@ func NewStatsCommand(dockerCli *command.DockerCli) *cobra.Command {
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flags := cmd.Flags()
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flags.BoolVarP(&opts.all, "all", "a", false, "Show all containers (default shows just running)")
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flags.BoolVar(&opts.noStream, "no-stream", false, "Disable streaming stats and only pull the first result")
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flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Do not truncate output")
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flags.StringVar(&opts.format, "format", "", "Pretty-print images using a Go template")
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return cmd
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}
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@ -214,7 +216,7 @@ func runStats(dockerCli *command.DockerCli, opts *statsOptions) error {
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ccstats = append(ccstats, c.GetStatistics())
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}
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cStats.mu.Unlock()
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if err = formatter.ContainerStatsWrite(statsCtx, ccstats, daemonOSType); err != nil {
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if err = formatter.ContainerStatsWrite(statsCtx, ccstats, daemonOSType, !opts.noTrunc); err != nil {
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break
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}
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if len(cStats.cs) == 0 && !showAll {
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@ -4,6 +4,7 @@ import (
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"fmt"
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"sync"
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"github.com/docker/docker/pkg/stringid"
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units "github.com/docker/go-units"
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)
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@ -114,12 +115,13 @@ func NewContainerStats(container string) *ContainerStats {
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}
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// ContainerStatsWrite renders the context for a list of containers statistics
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func ContainerStatsWrite(ctx Context, containerStats []StatsEntry, osType string) error {
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func ContainerStatsWrite(ctx Context, containerStats []StatsEntry, osType string, trunc bool) error {
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render := func(format func(subContext subContext) error) error {
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for _, cstats := range containerStats {
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containerStatsCtx := &containerStatsContext{
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s: cstats,
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os: osType,
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trunc: trunc,
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}
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if err := format(containerStatsCtx); err != nil {
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return err
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@ -151,6 +153,7 @@ type containerStatsContext struct {
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HeaderContext
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s StatsEntry
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os string
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trunc bool
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}
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func (c *containerStatsContext) MarshalJSON() ([]byte, error) {
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@ -169,6 +172,9 @@ func (c *containerStatsContext) Name() string {
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}
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func (c *containerStatsContext) ID() string {
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if c.trunc {
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return stringid.TruncateID(c.s.ID)
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}
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return c.s.ID
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}
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@ -114,7 +114,7 @@ container2 --
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}
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var out bytes.Buffer
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te.context.Output = &out
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err := ContainerStatsWrite(te.context, stats, "linux")
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err := ContainerStatsWrite(te.context, stats, "linux", false)
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if err != nil {
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assert.EqualError(t, err, te.expected)
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} else {
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@ -180,7 +180,7 @@ container2 -- --
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}
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var out bytes.Buffer
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te.context.Output = &out
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err := ContainerStatsWrite(te.context, stats, "windows")
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err := ContainerStatsWrite(te.context, stats, "windows", false)
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if err != nil {
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assert.EqualError(t, err, te.expected)
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} else {
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@ -220,7 +220,7 @@ func TestContainerStatsContextWriteWithNoStats(t *testing.T) {
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}
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for _, context := range contexts {
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ContainerStatsWrite(context.context, []StatsEntry{}, "linux")
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ContainerStatsWrite(context.context, []StatsEntry{}, "linux", false)
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assert.Equal(t, context.expected, out.String())
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// Clean buffer
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out.Reset()
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@ -258,7 +258,41 @@ func TestContainerStatsContextWriteWithNoStatsWindows(t *testing.T) {
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}
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for _, context := range contexts {
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ContainerStatsWrite(context.context, []StatsEntry{}, "windows")
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ContainerStatsWrite(context.context, []StatsEntry{}, "windows", false)
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assert.Equal(t, context.expected, out.String())
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// Clean buffer
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out.Reset()
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}
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}
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func TestContainerStatsContextWriteTrunc(t *testing.T) {
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var out bytes.Buffer
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contexts := []struct {
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context Context
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trunc bool
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expected string
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}{
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{
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Context{
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Format: "{{.ID}}",
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Output: &out,
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},
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false,
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"b95a83497c9161c9b444e3d70e1a9dfba0c1840d41720e146a95a08ebf938afc\n",
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},
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{
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Context{
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Format: "{{.ID}}",
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Output: &out,
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},
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true,
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"b95a83497c91\n",
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},
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}
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for _, context := range contexts {
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ContainerStatsWrite(context.context, []StatsEntry{{ID: "b95a83497c9161c9b444e3d70e1a9dfba0c1840d41720e146a95a08ebf938afc"}}, "linux", context.trunc)
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assert.Equal(t, context.expected, out.String())
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// Clean buffer
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out.Reset()
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@ -2023,7 +2023,7 @@ _docker_container_stats() {
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case "$cur" in
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-*)
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COMPREPLY=( $( compgen -W "--all -a --format --help --no-stream" -- "$cur" ) )
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COMPREPLY=( $( compgen -W "--all -a --format --help --no-stream --no-trunc" -- "$cur" ) )
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;;
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*)
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__docker_complete_containers_running
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@ -897,6 +897,7 @@ __docker_container_subcommand() {
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"($help -a --all)"{-a,--all}"[Show all containers (default shows just running)]" \
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"($help)--format=[Pretty-print images using a Go template]:template: " \
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"($help)--no-stream[Disable streaming stats and only pull the first result]" \
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"($help)--no-trunc[Do not truncate output]" \
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"($help -)*:containers:__docker_complete_running_containers" && ret=0
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;;
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(stop)
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@ -25,6 +25,7 @@ Options:
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--format string Pretty-print images using a Go template
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--help Print usage
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--no-stream Disable streaming stats and only pull the first result
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--no-trunc Don't truncate output
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```
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## Description
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@ -39,30 +40,34 @@ Running `docker stats` on all running containers against a Linux daemon.
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```bash
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$ docker stats
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CONTAINER CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O
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1285939c1fd3 0.07% 796 KiB / 64 MiB 1.21% 788 B / 648 B 3.568 MB / 512 KB
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9c76f7834ae2 0.07% 2.746 MiB / 64 MiB 4.29% 1.266 KB / 648 B 12.4 MB / 0 B
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d1ea048f04e4 0.03% 4.583 MiB / 64 MiB 6.30% 2.854 KB / 648 B 27.7 MB / 0 B
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CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
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b95a83497c91 awesome_brattain 0.28% 5.629MiB / 1.952GiB 0.28% 916B / 0B 147kB / 0B 9
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67b2525d8ad1 foobar 0.00% 1.727MiB / 1.952GiB 0.09% 2.48kB / 0B 4.11MB / 0B 2
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e5c383697914 test-1951.1.kay7x1lh1twk9c0oig50sd5tr 0.00% 196KiB / 1.952GiB 0.01% 71.2kB / 0B 770kB / 0B 1
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4bda148efbc0 random.1.vnc8on831idyr42slu578u3cr 0.00% 1.672MiB / 1.952GiB 0.08% 110kB / 0B 578kB / 0B 2
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```
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Running `docker stats` on multiple containers by name and id against a Linux daemon.
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```bash
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$ docker stats fervent_panini 5acfcb1b4fd1
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CONTAINER CPU % MEM USAGE/LIMIT MEM % NET I/O
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5acfcb1b4fd1 0.00% 115.2 MiB/1.045 GiB 11.03% 1.422 kB/648 B
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fervent_panini 0.02% 11.08 MiB/1.045 GiB 1.06% 648 B/648 B
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$ docker stats awesome_brattain 67b2525d8ad1
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CONTAINER ID NAME CPU % MEM USAGE / LIMIT MEM % NET I/O BLOCK I/O PIDS
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b95a83497c91 awesome_brattain 0.28% 5.629MiB / 1.952GiB 0.28% 916B / 0B 147kB / 0B 9
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67b2525d8ad1 foobar 0.00% 1.727MiB / 1.952GiB 0.09% 2.48kB / 0B 4.11MB / 0B 2
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```
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Running `docker stats` with customized format on all (Running and Stopped) containers.
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```bash
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$ docker stats --all --format "table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}"
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CONTAINER ID NAME CPU % MEM USAGE / LIMIT
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c9dfa83f0317f87637d5b7e67aa4223337d947215c5a9947e697e4f7d3e0f834 ecstatic_noether 0.00% 56KiB / 15.57GiB
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8f92d01cf3b29b4f5fca4cd33d907e05def7af5a3684711b20a2369d211ec67f stoic_goodall 0.07% 32.86MiB / 15.57GiB
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38dd23dba00f307d53d040c1d18a91361bbdcccbf592315927d56cf13d8b7343 drunk_visvesvaraya 0.00% 0B / 0B
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5a8b07ec4cc52823f3cbfdb964018623c1ba307bce2c057ccdbde5f4f6990833 big_heisenberg 0.00% 0B / 0B
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$ docker stats --all --format "table {{.Container}}\t{{.CPUPerc}}\t{{.MemUsage}}" fervent_panini 5acfcb1b4fd1 drunk_visvesvaraya big_heisenberg
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CONTAINER CPU % MEM USAGE / LIMIT
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fervent_panini 0.00% 56KiB / 15.57GiB
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5acfcb1b4fd1 0.07% 32.86MiB / 15.57GiB
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drunk_visvesvaraya 0.00% 0B / 0B
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big_heisenberg 0.00% 0B / 0B
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```
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`drunk_visvesvaraya` and `big_heisenberg` are stopped containers in the above example.
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@ -71,7 +76,7 @@ Running `docker stats` on all running containers against a Windows daemon.
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```powershell
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PS E:\> docker stats
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CONTAINER CPU % PRIV WORKING SET NET I/O BLOCK I/O
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CONTAINER ID CPU % PRIV WORKING SET NET I/O BLOCK I/O
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09d3bb5b1604 6.61% 38.21 MiB 17.1 kB / 7.73 kB 10.7 MB / 3.57 MB
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9db7aa4d986d 9.19% 38.26 MiB 15.2 kB / 7.65 kB 10.6 MB / 3.3 MB
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3f214c61ad1d 0.00% 28.64 MiB 64 kB / 6.84 kB 4.42 MB / 6.93 MB
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@ -81,15 +86,15 @@ Running `docker stats` on multiple containers by name and id against a Windows d
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```powershell
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PS E:\> docker ps -a
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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3f214c61ad1d nanoserver "cmd" 2 minutes ago Up 2 minutes big_minsky
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9db7aa4d986d windowsservercore "cmd" 2 minutes ago Up 2 minutes mad_wilson
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09d3bb5b1604 windowsservercore "cmd" 2 minutes ago Up 2 minutes affectionate_easley
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CONTAINER ID NAME IMAGE COMMAND CREATED STATUS PORTS NAMES
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3f214c61ad1d awesome_brattain nanoserver "cmd" 2 minutes ago Up 2 minutes big_minsky
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9db7aa4d986d mad_wilson windowsservercore "cmd" 2 minutes ago Up 2 minutes mad_wilson
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09d3bb5b1604 fervent_panini windowsservercore "cmd" 2 minutes ago Up 2 minutes affectionate_easley
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PS E:\> docker stats 3f214c61ad1d mad_wilson
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CONTAINER CPU % PRIV WORKING SET NET I/O BLOCK I/O
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3f214c61ad1d 0.00% 46.25 MiB 76.3 kB / 7.92 kB 10.3 MB / 14.7 MB
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mad_wilson 9.59% 40.09 MiB 27.6 kB / 8.81 kB 17 MB / 20.1 MB
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CONTAINER ID NAME CPU % PRIV WORKING SET NET I/O BLOCK I/O
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3f214c61ad1d awesome_brattain 0.00% 46.25 MiB 76.3 kB / 7.92 kB 10.3 MB / 14.7 MB
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9db7aa4d986d mad_wilson 9.59% 40.09 MiB 27.6 kB / 8.81 kB 17 MB / 20.1 MB
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```
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### Formatting
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@ -138,3 +143,17 @@ CONTAINER CPU % PRIV WORKING SET
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9c76f7834ae2 0.07% 2.746 MiB / 64 MiB
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d1ea048f04e4 0.03% 4.583 MiB / 64 MiB
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```
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The default format is as follows:
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On Linux:
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"table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.MemPerc}}\t{{.NetIO}}\t{{.BlockIO}}\t{{.PIDs}}"
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On Windows:
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"table {{.ID}}\t{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}\t{{.BlockIO}}"
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> **Note**: On Docker 17.09 and older, the `{{.Container}}` column was used, in
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> stead of `{{.ID}}\t{{.Name}}`.
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Loading…
Reference in New Issue