cri-o/cmd/kpod/common.go

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package main
import (
is "github.com/containers/image/storage"
"github.com/containers/storage"
"github.com/pkg/errors"
"github.com/urfave/cli"
)
func getStore(c *cli.Context) (storage.Store, error) {
options := storage.DefaultStoreOptions
if c.GlobalIsSet("storage-driver") {
options.GraphDriverName = c.GlobalString("storage-driver")
}
if c.GlobalIsSet("storage-opt") {
opts := c.GlobalStringSlice("storage-opt")
if len(opts) > 0 {
options.GraphDriverOptions = opts
}
}
store, err := storage.GetStore(options)
if err != nil {
return nil, err
}
is.Transport.SetStore(store)
return store, nil
}
func findImage(store storage.Store, image string) (*storage.Image, error) {
var img *storage.Image
ref, err := is.Transport.ParseStoreReference(store, image)
if err == nil {
img, err = is.Transport.GetStoreImage(store, ref)
}
if err != nil {
img2, err2 := store.Image(image)
if err2 != nil {
if ref == nil {
return nil, errors.Wrapf(err, "error parsing reference to image %q", image)
}
return nil, errors.Wrapf(err, "unable to locate image %q", image)
}
img = img2
}
return img, nil
}