moby--moby/daemon/images/cache.go

28 lines
650 B
Go

package images // import "github.com/docker/docker/daemon/images"
import (
"github.com/docker/docker/builder"
"github.com/docker/docker/image/cache"
"github.com/sirupsen/logrus"
)
// MakeImageCache creates a stateful image cache.
func (i *ImageService) MakeImageCache(sourceRefs []string) builder.ImageCache {
if len(sourceRefs) == 0 {
return cache.NewLocal(i.imageStore)
}
cache := cache.New(i.imageStore)
for _, ref := range sourceRefs {
img, err := i.GetImage(ref, nil)
if err != nil {
logrus.Warnf("Could not look up %s for cache resolution, skipping: %+v", ref, err)
continue
}
cache.Populate(img)
}
return cache
}