107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"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 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
|
|
loadCommand.GlobalFlags = MainGlobalOpts
|
|
loadCommand.Remote = remoteclient
|
|
return loadCmd(&loadCommand)
|
|
},
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
loadCommand.Command = _loadCommand
|
|
loadCommand.SetHelpTemplate(HelpTemplate())
|
|
loadCommand.SetUsageTemplate(UsageTemplate())
|
|
flags := loadCommand.Flags()
|
|
flags.StringVarP(&loadCommand.Input, "input", "i", "", "Read from specified archive file (default: stdin)")
|
|
flags.BoolVarP(&loadCommand.Quiet, "quiet", "q", false, "Suppress the output")
|
|
flags.StringVar(&loadCommand.SignaturePolicy, "signature-policy", "", "Pathname of signature policy file (not usually used)")
|
|
|
|
}
|
|
|
|
// loadCmd gets the image/file to be loaded from the command line
|
|
// and calls loadImage to load the image to containers-storage
|
|
func loadCmd(c *cliconfig.LoadValues) error {
|
|
|
|
args := c.InputArgs
|
|
var imageName string
|
|
|
|
if len(args) == 1 {
|
|
imageName = args[0]
|
|
}
|
|
if len(args) > 1 {
|
|
return errors.New("too many arguments. Requires exactly 1")
|
|
}
|
|
|
|
runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "could not get runtime")
|
|
}
|
|
defer runtime.Shutdown(false)
|
|
|
|
if len(c.Input) > 0 {
|
|
if err := parse.ValidateFileName(c.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("/var/tmp", "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)
|
|
}
|
|
|
|
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
|
|
}
|