diff options
Diffstat (limited to 'cmd/podman/load.go')
-rw-r--r-- | cmd/podman/load.go | 71 |
1 files changed, 34 insertions, 37 deletions
diff --git a/cmd/podman/load.go b/cmd/podman/load.go index 46add699e..04ff9fcca 100644 --- a/cmd/podman/load.go +++ b/cmd/podman/load.go @@ -5,21 +5,24 @@ import ( "io" "io/ioutil" "os" + "strings" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/cmd/podman/shared/parse" "github.com/containers/libpod/pkg/adapter" "github.com/pkg/errors" "github.com/spf13/cobra" + "golang.org/x/crypto/ssh/terminal" ) var ( loadCommand cliconfig.LoadValues - loadDescription = "Loads the image from docker-archive stored on the local machine." - _loadCommand = &cobra.Command{ - Use: "load [flags] [PATH]", - Short: "Load an image from docker archive", + 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: func(cmd *cobra.Command, args []string) error { loadCommand.InputArgs = args @@ -60,49 +63,43 @@ func loadCmd(c *cliconfig.LoadValues) error { } defer runtime.Shutdown(false) - input := c.Input - if runtime.Remote && len(input) == 0 { - return errors.New("the remote client requires you to load via -i and a tarball") - } - if len(input) == 0 { - input = "/dev/stdin" - c.Input = input - - fi, err := os.Stdin.Stat() - if err != nil { + if len(c.Input) > 0 { + if err := parse.ValidateFileName(c.Input); err != nil { return err } - // checking if loading from pipe - if !fi.Mode().IsRegular() { - outFile, err := ioutil.TempFile("/var/tmp", "podman") - if err != nil { - return errors.Errorf("error creating file %v", err) - } - defer os.Remove(outFile.Name()) - defer outFile.Close() - - inFile, err := os.OpenFile(input, 0, 0666) - if err != nil { - return errors.Errorf("error reading file %v", err) - } - defer inFile.Close() - - _, err = io.Copy(outFile, inFile) - if err != nil { - return errors.Errorf("error copying file %v", 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("/var/tmp", "podman") + if err != nil { + return errors.Errorf("error creating file %v", err) + } + defer os.Remove(outFile.Name()) + defer outFile.Close() - input = outFile.Name() + _, err = io.Copy(outFile, os.Stdin) + if err != nil { + return errors.Errorf("error copying file %v", err) } - } - if err := parse.ValidateFileName(input); err != nil { - return err + + c.Input = outFile.Name() } names, err := runtime.LoadImage(getContext(), imageName, c) if err != nil { return err } + if len(imageName) > 0 { + split := strings.Split(names, ",") + newImage, err := runtime.NewImageFromLocal(split[0]) + if err != nil { + return err + } + if err := newImage.TagImage(imageName); err != nil { + return errors.Wrapf(err, "error adding '%s' to image %q", imageName, newImage.InputName) + } + } fmt.Println("Loaded image(s): " + names) return nil } |