38595fecb6
This patch deprecates exported container commands and moves the implementation details to an unexported function. Commands that are affected include: - container.NewRunCommand - container.NewExecCommand - container.NewPsCommand - container.NewContainerCommand - container.NewAttachCommand - container.NewCommitCommand - container.NewCopyCommand - container.NewCreateCommand - container.NewDiffCommand - container.NewExportCommand - container.NewKillCommand - container.NewLogsCommand - container.NewPauseCommand - container.NewPortCommand - container.NewRenameCommand - container.NewRestartCommand - container.NewRmCommand - container.NewStartCommand - container.NewStatsCommand - container.NewStopCommand - container.NewTopCommand - container.NewUnpauseCommand - container.NewUpdateCommand - container.NewWaitCommand - container.NewPruneCommand Signed-off-by: Alano Terblanche <18033717+Benehiko@users.noreply.github.com>
67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
package container
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import (
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"context"
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"fmt"
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"strings"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/completion"
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"github.com/docker/cli/cli/command/formatter/tabwriter"
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"github.com/spf13/cobra"
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)
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type topOptions struct {
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container string
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args []string
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}
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// NewTopCommand creates a new cobra.Command for `docker top`
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//
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// Deprecated: Do not import commands directly. They will be removed in a future release.
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func NewTopCommand(dockerCLI command.Cli) *cobra.Command {
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return newTopCommand(dockerCLI)
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}
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func newTopCommand(dockerCLI command.Cli) *cobra.Command {
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var opts topOptions
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cmd := &cobra.Command{
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Use: "top CONTAINER [ps OPTIONS]",
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Short: "Display the running processes of a container",
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Args: cli.RequiresMinArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.container = args[0]
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opts.args = args[1:]
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return runTop(cmd.Context(), dockerCLI, &opts)
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},
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Annotations: map[string]string{
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"aliases": "docker container top, docker top",
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},
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ValidArgsFunction: completion.ContainerNames(dockerCLI, false),
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}
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flags := cmd.Flags()
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flags.SetInterspersed(false)
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return cmd
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}
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func runTop(ctx context.Context, dockerCli command.Cli, opts *topOptions) error {
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procList, err := dockerCli.Client().ContainerTop(ctx, opts.container, opts.args)
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if err != nil {
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return err
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}
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w := tabwriter.NewWriter(dockerCli.Out(), 20, 1, 3, ' ', 0)
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fmt.Fprintln(w, strings.Join(procList.Titles, "\t"))
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for _, proc := range procList.Processes {
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fmt.Fprintln(w, strings.Join(proc, "\t"))
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}
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w.Flush()
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return nil
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}
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