mirror of
https://github.com/containers/podman.git
synced 2025-05-21 00:56:36 +08:00
0433081983
add the ability to import a container image from a container export Signed-off-by: Brent Baude <bbaude@redhat.com>
88 lines
2.8 KiB
Go
88 lines
2.8 KiB
Go
package images
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/containers/libpod/cmd/podmanV2/parse"
|
|
"github.com/containers/libpod/cmd/podmanV2/registry"
|
|
"github.com/containers/libpod/pkg/domain/entities"
|
|
"github.com/hashicorp/go-multierror"
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var (
|
|
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: importCon,
|
|
PersistentPreRunE: preRunE,
|
|
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 -`,
|
|
}
|
|
)
|
|
|
|
var (
|
|
importOpts entities.ImageImportOptions
|
|
)
|
|
|
|
func init() {
|
|
registry.Commands = append(registry.Commands, registry.CliCommand{
|
|
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
|
|
Command: importCommand,
|
|
})
|
|
|
|
importCommand.SetHelpTemplate(registry.HelpTemplate())
|
|
importCommand.SetUsageTemplate(registry.UsageTemplate())
|
|
flags := importCommand.Flags()
|
|
flags.StringArrayVarP(&importOpts.Changes, "change", "c", []string{}, "Apply the following possible instructions to the created image (default []): CMD | ENTRYPOINT | ENV | EXPOSE | LABEL | STOPSIGNAL | USER | VOLUME | WORKDIR")
|
|
flags.StringVarP(&importOpts.Message, "message", "m", "", "Set commit message for imported image")
|
|
flags.BoolVarP(&importOpts.Quiet, "quiet", "q", false, "Suppress output")
|
|
}
|
|
|
|
func importCon(cmd *cobra.Command, args []string) error {
|
|
var (
|
|
source string
|
|
reference string
|
|
)
|
|
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]
|
|
// TODO when save is merged, we need to process reference
|
|
// like it is done in there or we end up with docker.io prepends
|
|
// instead of the localhost ones
|
|
reference = args[1]
|
|
default:
|
|
return errors.Errorf("too many arguments. Usage TARBALL [REFERENCE]")
|
|
}
|
|
errFileName := parse.ValidateFileName(source)
|
|
errURL := parse.ValidURL(source)
|
|
if errURL == nil {
|
|
importOpts.SourceIsURL = true
|
|
}
|
|
if errFileName != nil && errURL != nil {
|
|
return multierror.Append(errFileName, errURL)
|
|
}
|
|
|
|
importOpts.Source = source
|
|
importOpts.Reference = reference
|
|
|
|
response, err := registry.ImageEngine().Import(context.Background(), importOpts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fmt.Println(response.Id)
|
|
return nil
|
|
}
|