moby/daemon/getsize_unix.go
Yong Tang 4785f1a7ab Remove solaris build tag and `contrib/mkimage/solaris
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2017-11-02 00:01:46 +00:00

43 lines
1.1 KiB
Go

// +build linux freebsd
package daemon
import (
"runtime"
"github.com/sirupsen/logrus"
)
// getSize returns the real size & virtual size of the container.
func (daemon *Daemon) getSize(containerID string) (int64, int64) {
var (
sizeRw, sizeRootfs int64
err error
)
rwlayer, err := daemon.stores[runtime.GOOS].layerStore.GetRWLayer(containerID)
if err != nil {
logrus.Errorf("Failed to compute size of container rootfs %v: %v", containerID, err)
return sizeRw, sizeRootfs
}
defer daemon.stores[runtime.GOOS].layerStore.ReleaseRWLayer(rwlayer)
sizeRw, err = rwlayer.Size()
if err != nil {
logrus.Errorf("Driver %s couldn't return diff size of container %s: %s",
daemon.GraphDriverName(runtime.GOOS), 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
}