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author | Sascha Grunert <sgrunert@suse.com> | 2019-12-16 13:28:16 +0100 |
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committer | Sascha Grunert <sgrunert@suse.com> | 2020-01-08 10:06:10 +0100 |
commit | 40b74e02b77e83c377fdae83f626f83403b38152 (patch) | |
tree | c71e9d5c4cd1c1517006368c151b81c4ea5d4077 /cmd/podman/untag.go | |
parent | c41fd09a8da3a96bc0e58f9f29f87b9bdf30264d (diff) | |
download | podman-40b74e02b77e83c377fdae83f626f83403b38152.tar.gz podman-40b74e02b77e83c377fdae83f626f83403b38152.tar.bz2 podman-40b74e02b77e83c377fdae83f626f83403b38152.zip |
Add `untag` sub-command
Podman now supports untagging images via the `untag` sub-command for the
root and `image` commands. Testing and documentation has been added as
well.
Signed-off-by: Sascha Grunert <sgrunert@suse.com>
Diffstat (limited to 'cmd/podman/untag.go')
-rw-r--r-- | cmd/podman/untag.go | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/cmd/podman/untag.go b/cmd/podman/untag.go new file mode 100644 index 000000000..9ff62b808 --- /dev/null +++ b/cmd/podman/untag.go @@ -0,0 +1,67 @@ +package main + +import ( + "github.com/containers/libpod/cmd/podman/cliconfig" + "github.com/containers/libpod/pkg/adapter" + "github.com/pkg/errors" + "github.com/sirupsen/logrus" + "github.com/spf13/cobra" +) + +var ( + untagCommand cliconfig.UntagValues + + _untagCommand = &cobra.Command{ + Use: "untag [flags] IMAGE [NAME...]", + Short: "Remove a name from a local image", + Long: "Removes one or more names from a locally-stored image.", + RunE: func(cmd *cobra.Command, args []string) error { + untagCommand.InputArgs = args + untagCommand.GlobalFlags = MainGlobalOpts + untagCommand.Remote = remoteclient + return untag(&untagCommand) + }, + Example: `podman untag 0e3bbc2 + podman untag imageID:latest otherImageName:latest + podman untag httpd myregistryhost:5000/fedora/httpd:v2`, + } +) + +func init() { + untagCommand.Command = _untagCommand + untagCommand.SetHelpTemplate(HelpTemplate()) + untagCommand.SetUsageTemplate(UsageTemplate()) +} + +func untag(c *cliconfig.UntagValues) error { + args := c.InputArgs + + if len(args) == 0 { + return errors.Errorf("at least one image name needs to be specified") + } + + runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand) + if err != nil { + return errors.Wrapf(err, "could not create runtime") + } + defer runtime.DeferredShutdown(false) + + newImage, err := runtime.NewImageFromLocal(args[0]) + if err != nil { + return err + } + + tags := args[1:] + if len(args) == 1 { + // Remove all tags if not explicitly specified + tags = newImage.Names() + } + logrus.Debugf("Tags to be removed: %v", tags) + + for _, tag := range tags { + if err := newImage.UntagImage(tag); err != nil { + return errors.Wrapf(err, "removing %q from %q", tag, newImage.InputName) + } + } + return nil +} |