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