package main import ( "fmt" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/cmd/podman/shared/parse" "github.com/containers/libpod/pkg/adapter" multierror "github.com/hashicorp/go-multierror" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( importCommand cliconfig.ImportValues importDescription = `Create a container image from the contents of the specified tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz). Note remote tar balls can be specified, via web address. Optionally tag the image. You can specify the instructions using the --change option.` _importCommand = &cobra.Command{ Use: "import [flags] PATH [REFERENCE]", Short: "Import a tarball to create a filesystem image", Long: importDescription, RunE: func(cmd *cobra.Command, args []string) error { importCommand.InputArgs = args importCommand.GlobalFlags = MainGlobalOpts importCommand.Remote = remoteclient return importCmd(&importCommand) }, Example: `podman import http://example.com/ctr.tar url-image cat ctr.tar | podman -q import --message "importing the ctr.tar tarball" - image-imported cat ctr.tar | podman import -`, } ) func init() { importCommand.Command = _importCommand importCommand.SetHelpTemplate(HelpTemplate()) importCommand.SetUsageTemplate(UsageTemplate()) flags := importCommand.Flags() flags.StringSliceVarP(&importCommand.Change, "change", "c", []string{}, "Apply the following possible instructions to the created image (default []): CMD | ENTRYPOINT | ENV | EXPOSE | LABEL | STOPSIGNAL | USER | VOLUME | WORKDIR") flags.StringVarP(&importCommand.Message, "message", "m", "", "Set commit message for imported image") flags.BoolVarP(&importCommand.Quiet, "quiet", "q", false, "Suppress output") } func importCmd(c *cliconfig.ImportValues) error { runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.DeferredShutdown(false) var ( source string reference string ) args := c.InputArgs switch len(args) { case 0: return errors.Errorf("need to give the path to the tarball, or must specify a tarball of '-' for stdin") case 1: source = args[0] case 2: source = args[0] reference = args[1] default: return errors.Errorf("too many arguments. Usage TARBALL [REFERENCE]") } errFileName := parse.ValidateFileName(source) errURL := parse.ValidURL(source) if errFileName != nil && errURL != nil { return multierror.Append(errFileName, errURL) } quiet := c.Quiet if runtime.Remote { quiet = false } iid, err := runtime.Import(getContext(), source, reference, c.StringSlice("change"), c.String("message"), quiet) if err == nil { fmt.Println(iid) } return err }