moby/daemon/images/cache.go
Brian Goff 7a9cb29fb9 Accept platform spec on container create
This enables image lookup when creating a container to fail when the
reference exists but it is for the wrong platform. This prevents trying
to run an image for the wrong platform, as can be the case with, for
example binfmt_misc+qemu.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2020-03-20 16:10:36 -07:00

27 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
}