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43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
// +build linux freebsd
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package daemon
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import (
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"runtime"
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"github.com/sirupsen/logrus"
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)
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// getSize returns the real size & virtual size of the container.
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func (daemon *Daemon) getSize(containerID string) (int64, int64) {
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var (
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sizeRw, sizeRootfs int64
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err error
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)
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rwlayer, err := daemon.stores[runtime.GOOS].layerStore.GetRWLayer(containerID)
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if err != nil {
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logrus.Errorf("Failed to compute size of container rootfs %v: %v", containerID, err)
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return sizeRw, sizeRootfs
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}
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defer daemon.stores[runtime.GOOS].layerStore.ReleaseRWLayer(rwlayer)
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sizeRw, err = rwlayer.Size()
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if err != nil {
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logrus.Errorf("Driver %s couldn't return diff size of container %s: %s",
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daemon.GraphDriverName(runtime.GOOS), containerID, err)
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// FIXME: GetSize should return an error. Not changing it now in case
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// there is a side-effect.
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sizeRw = -1
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}
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if parent := rwlayer.Parent(); parent != nil {
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sizeRootfs, err = parent.Size()
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if err != nil {
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sizeRootfs = -1
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} else if sizeRw != -1 {
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sizeRootfs += sizeRw
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}
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}
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return sizeRw, sizeRootfs
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}
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