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authorBrent Baude <bbaude@redhat.com>2020-03-31 14:45:19 -0500
committerBrent Baude <bbaude@redhat.com>2020-04-01 15:56:26 -0500
commit043308198337941a8086113619d6341528c10cd0 (patch)
tree0d8ce52e6178e464ce5689c4695c42223aeeeae3 /cmd
parent0f357be5aeaa5dc651659cf0945a58780641e77d (diff)
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podmanv2 import
add the ability to import a container image from a container export Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'cmd')
-rw-r--r--cmd/podmanV2/images/import.go87
1 files changed, 87 insertions, 0 deletions
diff --git a/cmd/podmanV2/images/import.go b/cmd/podmanV2/images/import.go
new file mode 100644
index 000000000..09a15585f
--- /dev/null
+++ b/cmd/podmanV2/images/import.go
@@ -0,0 +1,87 @@
+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
+}