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42 lines
1 KiB
Go
42 lines
1 KiB
Go
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// +build linux freebsd solaris
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package daemon
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import (
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/container"
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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(container *container.Container) (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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if err := daemon.Mount(container); err != nil {
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logrus.Errorf("Failed to compute size of container rootfs %s: %s", container.ID, err)
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return sizeRw, sizeRootfs
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}
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defer daemon.Unmount(container)
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sizeRw, err = container.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(), container.ID, 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 := container.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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