mirror of https://github.com/docker/compose.git
85 lines
2.8 KiB
Go
85 lines
2.8 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package compose
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import (
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"context"
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"fmt"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/container"
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"github.com/docker/docker/api/types/filters"
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"github.com/spf13/cobra"
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"github.com/docker/compose/v2/pkg/api"
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)
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type statsOptions struct {
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ProjectOptions *ProjectOptions
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all bool
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format string
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noStream bool
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noTrunc bool
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}
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func statsCommand(p *ProjectOptions, dockerCli command.Cli) *cobra.Command {
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opts := statsOptions{
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ProjectOptions: p,
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}
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cmd := &cobra.Command{
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Use: "stats [OPTIONS] [SERVICE]",
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Short: "Display a live stream of container(s) resource usage statistics",
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Args: cobra.MaximumNArgs(1),
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RunE: Adapt(func(ctx context.Context, args []string) error {
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return runStats(ctx, dockerCli, opts, args)
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}),
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ValidArgsFunction: completeServiceNames(dockerCli, p),
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}
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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.StringVar(&opts.format, "format", "", `Format output using a custom template:
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'table': Print output in table format with column headers (default)
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'table TEMPLATE': Print output in table format using the given Go template
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'json': Print in JSON format
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'TEMPLATE': Print output using the given Go template.
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Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates`)
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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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return cmd
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}
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func runStats(ctx context.Context, dockerCli command.Cli, opts statsOptions, service []string) error {
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name, err := opts.ProjectOptions.toProjectName(dockerCli)
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if err != nil {
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return err
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}
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filter := []filters.KeyValuePair{
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filters.Arg("label", fmt.Sprintf("%s=%s", api.ProjectLabel, name)),
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}
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if len(service) > 0 {
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filter = append(filter, filters.Arg("label", fmt.Sprintf("%s=%s", api.ServiceLabel, service[0])))
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}
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args := filters.NewArgs(filter...)
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return container.RunStats(ctx, dockerCli, &container.StatsOptions{
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All: opts.all,
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NoStream: opts.noStream,
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NoTrunc: opts.noTrunc,
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Format: opts.format,
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Filters: &args,
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})
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}
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