mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
// +build linux freebsd
|
|
|
|
package images // import "github.com/docker/docker/daemon/images"
|
|
|
|
import (
|
|
"runtime"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
)
|
|
|
|
// GetContainerLayerSize returns the real size & virtual size of the container.
|
|
func (i *ImageService) GetContainerLayerSize(containerID string) (int64, int64) {
|
|
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.layerStores[runtime.GOOS].GetRWLayer(containerID)
|
|
if err != nil {
|
|
logrus.Errorf("Failed to compute size of container rootfs %v: %v", containerID, err)
|
|
return sizeRw, sizeRootfs
|
|
}
|
|
defer i.layerStores[runtime.GOOS].ReleaseRWLayer(rwlayer)
|
|
|
|
sizeRw, err = rwlayer.Size()
|
|
if err != nil {
|
|
logrus.Errorf("Driver %s couldn't return diff size of container %s: %s",
|
|
i.layerStores[runtime.GOOS].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, err = parent.Size()
|
|
if err != nil {
|
|
sizeRootfs = -1
|
|
} else if sizeRw != -1 {
|
|
sizeRootfs += sizeRw
|
|
}
|
|
}
|
|
return sizeRw, sizeRootfs
|
|
}
|