356df5d18e
Refactored rmi, images, diff, and history. Made fixes to kpod images in the way it was handing the templates as well as printing the image names Signed-off-by: umohnani8 <umohnani@redhat.com>
107 lines
2.3 KiB
Go
107 lines
2.3 KiB
Go
package main
|
|
|
|
import (
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
"github.com/kubernetes-incubator/cri-o/libpod"
|
|
"github.com/pkg/errors"
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
var (
|
|
loadFlags = []cli.Flag{
|
|
cli.StringFlag{
|
|
Name: "input, i",
|
|
Usage: "Read from archive file, default is STDIN",
|
|
Value: "/dev/stdin",
|
|
},
|
|
cli.BoolFlag{
|
|
Name: "quiet, q",
|
|
Usage: "Suppress the output",
|
|
},
|
|
}
|
|
loadDescription = "Loads the image from docker-archive stored on the local machine."
|
|
loadCommand = cli.Command{
|
|
Name: "load",
|
|
Usage: "load an image from docker archive",
|
|
Description: loadDescription,
|
|
Flags: loadFlags,
|
|
Action: loadCmd,
|
|
ArgsUsage: "",
|
|
}
|
|
)
|
|
|
|
// 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 *cli.Context) error {
|
|
|
|
args := c.Args()
|
|
var image string
|
|
if len(args) == 1 {
|
|
image = args[0]
|
|
}
|
|
if len(args) > 1 {
|
|
return errors.New("too many arguments. Requires exactly 1")
|
|
}
|
|
if err := validateFlags(c, loadFlags); err != nil {
|
|
return err
|
|
}
|
|
|
|
runtime, err := getRuntime(c)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "could not get runtime")
|
|
}
|
|
defer runtime.Shutdown(false)
|
|
|
|
input := c.String("input")
|
|
|
|
if input == "/dev/stdin" {
|
|
fi, err := os.Stdin.Stat()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// checking if loading from pipe
|
|
if !fi.Mode().IsRegular() {
|
|
outFile, err := ioutil.TempFile("/var/tmp", "kpod")
|
|
if err != nil {
|
|
return errors.Errorf("error creating file %v", err)
|
|
}
|
|
defer outFile.Close()
|
|
defer os.Remove(outFile.Name())
|
|
|
|
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)
|
|
}
|
|
|
|
input = outFile.Name()
|
|
}
|
|
}
|
|
|
|
var output io.Writer
|
|
if !c.Bool("quiet") {
|
|
output = os.Stdout
|
|
}
|
|
|
|
src := libpod.DockerArchive + ":" + input
|
|
if err := runtime.PullImage(src, false, "", output); err != nil {
|
|
src = libpod.OCIArchive + ":" + input
|
|
// generate full src name with specified image:tag
|
|
if image != "" {
|
|
src = src + ":" + image
|
|
}
|
|
if err := runtime.PullImage(src, false, "", output); err != nil {
|
|
return errors.Wrapf(err, "error pulling %q", src)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|