diff options
Diffstat (limited to 'cmd/podman/images/load.go')
-rw-r--r-- | cmd/podman/images/load.go | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/cmd/podman/images/load.go b/cmd/podman/images/load.go new file mode 100644 index 000000000..23c657b59 --- /dev/null +++ b/cmd/podman/images/load.go @@ -0,0 +1,94 @@ +package images + +import ( + "context" + "fmt" + "io" + "io/ioutil" + "os" + + "github.com/containers/image/v5/docker/reference" + "github.com/containers/libpod/cmd/podman/parse" + "github.com/containers/libpod/cmd/podman/registry" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/util" + "github.com/pkg/errors" + "github.com/spf13/cobra" + "golang.org/x/crypto/ssh/terminal" +) + +var ( + loadDescription = "Loads an image from a locally stored archive (tar file) into container storage." + loadCommand = &cobra.Command{ + Use: "load [flags] [NAME[:TAG]]", + Short: "Load an image from container archive", + Long: loadDescription, + RunE: load, + Args: cobra.MaximumNArgs(1), + } +) + +var ( + loadOpts entities.ImageLoadOptions +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: loadCommand, + }) + + flags := loadCommand.Flags() + flags.StringVarP(&loadOpts.Input, "input", "i", "", "Read from specified archive file (default: stdin)") + flags.BoolVarP(&loadOpts.Quiet, "quiet", "q", false, "Suppress the output") + flags.StringVar(&loadOpts.SignaturePolicy, "signature-policy", "", "Pathname of signature policy file") + if registry.IsRemote() { + _ = flags.MarkHidden("signature-policy") + } + +} + +func load(cmd *cobra.Command, args []string) error { + if len(args) > 0 { + ref, err := reference.Parse(args[0]) + if err != nil { + return err + } + if t, ok := ref.(reference.Tagged); ok { + loadOpts.Tag = t.Tag() + } else { + loadOpts.Tag = "latest" + } + if r, ok := ref.(reference.Named); ok { + fmt.Println(r.Name()) + loadOpts.Name = r.Name() + } + } + if len(loadOpts.Input) > 0 { + if err := parse.ValidateFileName(loadOpts.Input); err != nil { + return err + } + } else { + if terminal.IsTerminal(int(os.Stdin.Fd())) { + return errors.Errorf("cannot read from terminal. Use command-line redirection or the --input flag.") + } + outFile, err := ioutil.TempFile(util.Tmpdir(), "podman") + if err != nil { + return errors.Errorf("error creating file %v", err) + } + defer os.Remove(outFile.Name()) + defer outFile.Close() + + _, err = io.Copy(outFile, os.Stdin) + if err != nil { + return errors.Errorf("error copying file %v", err) + } + loadOpts.Input = outFile.Name() + } + response, err := registry.ImageEngine().Load(context.Background(), loadOpts) + if err != nil { + return err + } + fmt.Println("Loaded image: " + response.Name) + return nil +} |