Files
moby/daemon/images/image_unix.go
Sebastiaan van Stijn ab35df454d remove pre-go1.17 build-tags
Removed pre-go1.17 build-tags with go fix;

    go mod init
    go fix -mod=readonly ./...
    rm go.mod

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2023-05-19 20:38:51 +02:00

52 lines
1.4 KiB
Go

//go:build linux || freebsd
package images // import "github.com/docker/docker/daemon/images"
import (
"context"
"github.com/docker/docker/image"
"github.com/docker/docker/layer"
"github.com/sirupsen/logrus"
)
// GetLayerFolders returns the layer folders from an image RootFS
func (i *ImageService) GetLayerFolders(img *image.Image, rwLayer layer.RWLayer) ([]string, error) {
// Windows specific
panic("not implemented")
}
// GetContainerLayerSize returns the real size & virtual size of the container.
func (i *ImageService) GetContainerLayerSize(ctx context.Context, containerID string) (int64, int64, error) {
var (
sizeRw, sizeRootfs int64
err error
)
// Safe to index by runtime.GOOS as Unix hosts don't support multiple
// container operating systems.
rwlayer, err := i.layerStore.GetRWLayer(containerID)
if err != nil {
logrus.Errorf("Failed to compute size of container rootfs %v: %v", containerID, err)
return sizeRw, sizeRootfs, nil
}
defer i.layerStore.ReleaseRWLayer(rwlayer)
sizeRw, err = rwlayer.Size()
if err != nil {
logrus.Errorf("Driver %s couldn't return diff size of container %s: %s",
i.layerStore.DriverName(), containerID, err)
// FIXME: GetSize should return an error. Not changing it now in case
// there is a side-effect.
sizeRw = -1
}
if parent := rwlayer.Parent(); parent != nil {
sizeRootfs = parent.Size()
if sizeRw != -1 {
sizeRootfs += sizeRw
}
}
return sizeRw, sizeRootfs, nil
}