package main import ( "bufio" "context" "fmt" "os" "strings" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/adapter" "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/cobra" ) var ( volumePruneCommand cliconfig.VolumePruneValues volumePruneDescription = ` podman volume prune Remove all unused volumes. Will prompt for confirmation if not using force. ` _volumePruneCommand = &cobra.Command{ Use: "prune", Short: "Remove all unused volumes", Long: volumePruneDescription, RunE: func(cmd *cobra.Command, args []string) error { volumePruneCommand.InputArgs = args volumePruneCommand.GlobalFlags = MainGlobalOpts return volumePruneCmd(&volumePruneCommand) }, } ) func init() { volumePruneCommand.Command = _volumePruneCommand flags := volumePruneCommand.Flags() flags.BoolVarP(&volumePruneCommand.Force, "force", "f", false, "Do not prompt for confirmation") } func volumePrune(runtime *adapter.LocalRuntime, ctx context.Context) error { var lastError error volumes, err := runtime.GetAllVolumes() if err != nil { return err } for _, vol := range volumes { err = runtime.RemoveVolume(ctx, vol, false, true) if err == nil { fmt.Println(vol.Name()) } else if err != libpod.ErrVolumeBeingUsed { if lastError != nil { logrus.Errorf("%q", lastError) } lastError = errors.Wrapf(err, "failed to remove volume %q", vol.Name()) } } return lastError } func volumePruneCmd(c *cliconfig.VolumePruneValues) error { runtime, err := adapter.GetRuntime(&c.PodmanCommand) if err != nil { return errors.Wrapf(err, "error creating libpod runtime") } defer runtime.Shutdown(false) // Prompt for confirmation if --force is not set if !c.Force { reader := bufio.NewReader(os.Stdin) fmt.Println("WARNING! This will remove all volumes not used by at least one container.") fmt.Print("Are you sure you want to continue? [y/N] ") ans, err := reader.ReadString('\n') if err != nil { return errors.Wrapf(err, "error reading input") } if strings.ToLower(ans)[0] != 'y' { return nil } } return volumePrune(runtime, getContext()) }