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compose
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introduce `stats` command 

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
This commit is contained in:
Nicolas De Loof 2023-12-22 13:59:37 +01:00 committed by Nicolas De loof
parent d82a1a5a03
commit e105f16527
6 changed files with 177 additions and 0 deletions
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1
cmd/compose/compose.go
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@ -458,6 +458,7 @@ func RootCommand(dockerCli command.Cli, backend api.Service) *cobra.Command { //
copyCommand(&opts, dockerCli, backend), copyCommand(&opts, dockerCli, backend),
waitCommand(&opts, dockerCli, backend), waitCommand(&opts, dockerCli, backend),
scaleCommand(&opts, dockerCli, backend), scaleCommand(&opts, dockerCli, backend),
statsCommand(&opts, dockerCli),
watchCommand(&opts, dockerCli, backend), watchCommand(&opts, dockerCli, backend),
alphaCommand(&opts, dockerCli, backend), alphaCommand(&opts, dockerCli, backend),
) )

84
cmd/compose/stats.go Normal file
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@ -0,0 +1,84 @@
/*
Copyright 2020 Docker Compose CLI authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package compose
import (
"context"
"fmt"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/container"
"github.com/docker/docker/api/types/filters"
"github.com/spf13/cobra"
"github.com/docker/compose/v2/pkg/api"
)
type statsOptions struct {
ProjectOptions *ProjectOptions
all bool
format string
noStream bool
noTrunc bool
}
func statsCommand(p *ProjectOptions, dockerCli command.Cli) *cobra.Command {
opts := statsOptions{
ProjectOptions: p,
}
cmd := &cobra.Command{
Use: "stats [OPTIONS] [SERVICE]",
Short: "Display a live stream of container(s) resource usage statistics",
Args: cobra.MaximumNArgs(1),
RunE: Adapt(func(ctx context.Context, args []string) error {
return runStats(ctx, dockerCli, opts, args)
}),
ValidArgsFunction: completeServiceNames(dockerCli, p),
}
flags := cmd.Flags()
flags.BoolVarP(&opts.all, "all", "a", false, "Show all containers (default shows just running)")
flags.StringVar(&opts.format, "format", "", `Format output using a custom template:
'table': Print output in table format with column headers (default)
'table TEMPLATE': Print output in table format using the given Go template
'json': Print in JSON format
'TEMPLATE': Print output using the given Go template.
Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates`)
flags.BoolVar(&opts.noStream, "no-stream", false, "Disable streaming stats and only pull the first result")
flags.BoolVar(&opts.noTrunc, "no-trunc", false, "Do not truncate output")
return cmd
}
func runStats(ctx context.Context, dockerCli command.Cli, opts statsOptions, service []string) error {
name, err := opts.ProjectOptions.toProjectName(dockerCli)
if err != nil {
return err
}
filter := []filters.KeyValuePair{
filters.Arg("label", fmt.Sprintf("%s=%s", api.ProjectLabel, name)),
}
if len(service) > 0 {
filter = append(filter, filters.Arg("label", fmt.Sprintf("%s=%s", api.ServiceLabel, service[0])))
}
args := filters.NewArgs(filter...)
return container.RunStats(ctx, dockerCli, &container.StatsOptions{
All: opts.all,
NoStream: opts.noStream,
NoTrunc: opts.noTrunc,
Format: opts.format,
Filters: &args,
})
}

1
docs/reference/compose.md
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@ -28,6 +28,7 @@ Define and run multi-container applications with Docker.
| [`run`](compose_run.md) | Run a one-off command on a service. | | [`run`](compose_run.md) | Run a one-off command on a service. |
| [`scale`](compose_scale.md) | Scale services | | [`scale`](compose_scale.md) | Scale services |
| [`start`](compose_start.md) | Start services | | [`start`](compose_start.md) | Start services |
| [`stats`](compose_stats.md) | Display a live stream of container(s) resource usage statistics |
| [`stop`](compose_stop.md) | Stop services | | [`stop`](compose_stop.md) | Stop services |
| [`top`](compose_top.md) | Display the running processes | | [`top`](compose_top.md) | Display the running processes |
| [`unpause`](compose_unpause.md) | Unpause services | | [`unpause`](compose_unpause.md) | Unpause services |

18
docs/reference/compose_stats.md Normal file
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@ -0,0 +1,18 @@
# docker compose stats
<!---MARKER_GEN_START-->
Display a live stream of container(s) resource usage statistics
### Options
| Name | Type | Default | Description |
|:--------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `-a`, `--all` | | | Show all containers (default shows just running) |
| `--dry-run` | | | Execute command in dry run mode |
| `--format` | `string` | | Format output using a custom template:<br>'table': Print output in table format with column headers (default)<br>'table TEMPLATE': Print output in table format using the given Go template<br>'json': Print in JSON format<br>'TEMPLATE': Print output using the given Go template.<br>Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates |
| `--no-stream` | | | Disable streaming stats and only pull the first result |
| `--no-trunc` | | | Do not truncate output |
<!---MARKER_GEN_END-->

2
docs/reference/docker_compose.yaml
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@ -167,6 +167,7 @@ cname:
- docker compose run - docker compose run
- docker compose scale - docker compose scale
- docker compose start - docker compose start
- docker compose stats
- docker compose stop - docker compose stop
- docker compose top - docker compose top
- docker compose unpause - docker compose unpause
@ -196,6 +197,7 @@ clink:
- docker_compose_run.yaml - docker_compose_run.yaml
- docker_compose_scale.yaml - docker_compose_scale.yaml
- docker_compose_start.yaml - docker_compose_start.yaml
- docker_compose_stats.yaml
- docker_compose_stop.yaml - docker_compose_stop.yaml
- docker_compose_top.yaml - docker_compose_top.yaml
- docker_compose_unpause.yaml - docker_compose_unpause.yaml

71
docs/reference/docker_compose_stats.yaml Normal file
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@ -0,0 +1,71 @@
command: docker compose stats
short: Display a live stream of container(s) resource usage statistics
long: Display a live stream of container(s) resource usage statistics
usage: docker compose stats [OPTIONS] [SERVICE]
pname: docker compose
plink: docker_compose.yaml
options:
- option: all
shorthand: a
value_type: bool
default_value: "false"
description: Show all containers (default shows just running)
deprecated: false
hidden: false
experimental: false
experimentalcli: false
kubernetes: false
swarm: false
- option: format
value_type: string
description: |-
Format output using a custom template:
'table': Print output in table format with column headers (default)
'table TEMPLATE': Print output in table format using the given Go template
'json': Print in JSON format
'TEMPLATE': Print output using the given Go template.
Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates
deprecated: false
hidden: false
experimental: false
experimentalcli: false
kubernetes: false
swarm: false
- option: no-stream
value_type: bool
default_value: "false"
description: Disable streaming stats and only pull the first result
deprecated: false
hidden: false
experimental: false
experimentalcli: false
kubernetes: false
swarm: false
- option: no-trunc
value_type: bool
default_value: "false"
description: Do not truncate output
deprecated: false
hidden: false
experimental: false
experimentalcli: false
kubernetes: false
swarm: false
inherited_options:
- option: dry-run
value_type: bool
default_value: "false"
description: Execute command in dry run mode
deprecated: false
hidden: false
experimental: false
experimentalcli: false
kubernetes: false
swarm: false
deprecated: false
hidden: false
experimental: false
experimentalcli: false
kubernetes: false
swarm: false