package pods import ( "context" "fmt" "github.com/containers/common/pkg/completion" "github.com/containers/podman/v4/cmd/podman/common" "github.com/containers/podman/v4/cmd/podman/registry" "github.com/containers/podman/v4/libpod/define" "github.com/containers/podman/v4/pkg/domain/entities" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( podCloneDescription = `Create an exact copy of a pod and the containers within it` podCloneCommand = &cobra.Command{ Use: "clone [options] POD NAME", Short: "Clone an existing pod", Long: podCloneDescription, RunE: clone, Args: cobra.RangeArgs(1, 2), ValidArgsFunction: common.AutocompleteClone, Example: `podman pod clone pod_name new_name`, } ) var ( podClone entities.PodCloneOptions ) func cloneFlags(cmd *cobra.Command) { flags := cmd.Flags() destroyFlagName := "destroy" flags.BoolVar(&podClone.Destroy, destroyFlagName, false, "destroy the original pod") startFlagName := "start" flags.BoolVar(&podClone.Start, startFlagName, false, "start the new pod") nameFlagName := "name" flags.StringVarP(&podClone.CreateOpts.Name, nameFlagName, "n", "", "name the new pod") _ = podCloneCommand.RegisterFlagCompletionFunc(nameFlagName, completion.AutocompleteNone) common.DefineCreateDefaults(&podClone.InfraOptions) common.DefineCreateFlags(cmd, &podClone.InfraOptions, true, false) podClone.InfraOptions.MemorySwappiness = -1 // this is not implemented for pods yet, need to set -1 default manually // need to fill an empty ctr create option for each container for sane defaults // for now, these cannot be used. The flag names conflict too much // this makes sense since this is a pod command not a container command // TODO: add support for container specific arguments/flags common.DefineCreateDefaults(&podClone.PerContainerOptions) } func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Command: podCloneCommand, Parent: podCmd, }) cloneFlags(podCloneCommand) } func clone(cmd *cobra.Command, args []string) error { switch len(args) { case 0: return errors.Wrapf(define.ErrInvalidArg, "must specify at least 1 argument") case 2: podClone.CreateOpts.Name = args[1] } podClone.ID = args[0] if cmd.Flag("shm-size").Changed { podClone.InfraOptions.ShmSize = cmd.Flag("shm-size").Value.String() } podClone.PerContainerOptions.IsClone = true rep, err := registry.ContainerEngine().PodClone(context.Background(), podClone) if err != nil { if rep != nil { fmt.Printf("pod %s created but error after creation\n", rep.Id) } return err } fmt.Println(rep.Id) return nil }