54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package container
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import (
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"context"
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"errors"
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"fmt"
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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/docker/api/types/container"
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"github.com/spf13/cobra"
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)
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type pauseOptions struct {
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containers []string
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}
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// NewPauseCommand creates a new cobra.Command for `docker pause`
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func NewPauseCommand(dockerCli command.Cli) *cobra.Command {
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var opts pauseOptions
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return &cobra.Command{
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Use: "pause CONTAINER [CONTAINER...]",
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Short: "Pause all processes within one or more containers",
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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.containers = args
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return runPause(cmd.Context(), dockerCli, &opts)
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},
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Annotations: map[string]string{
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"aliases": "docker container pause, docker pause",
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},
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ValidArgsFunction: completion.ContainerNames(dockerCli, false, func(ctr container.Summary) bool {
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return ctr.State != container.StatePaused
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}),
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}
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}
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func runPause(ctx context.Context, dockerCLI command.Cli, opts *pauseOptions) error {
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apiClient := dockerCLI.Client()
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errChan := parallelOperation(ctx, opts.containers, apiClient.ContainerPause)
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var errs []error
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for _, ctr := range opts.containers {
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if err := <-errChan; err != nil {
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errs = append(errs, err)
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continue
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}
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_, _ = fmt.Fprintln(dockerCLI.Out(), ctr)
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}
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return errors.Join(errs...)
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}
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