4dd86a0b33
- prefer error over panic where possible - ContainerChanges is not implemented by snapshotter-based ImageService Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com> Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
37 lines
952 B
Go
37 lines
952 B
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"errors"
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"time"
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"github.com/docker/docker/errdefs"
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"github.com/docker/docker/pkg/archive"
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)
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// ContainerChanges returns a list of container fs changes
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func (daemon *Daemon) ContainerChanges(name string) ([]archive.Change, error) {
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start := time.Now()
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container, err := daemon.GetContainer(name)
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if err != nil {
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return nil, err
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}
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if isWindows && container.IsRunning() {
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return nil, errors.New("Windows does not support diff of a running container")
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}
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if daemon.UsesSnapshotter() {
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return nil, errdefs.NotImplemented(errors.New("not implemented"))
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}
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container.Lock()
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defer container.Unlock()
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if container.RWLayer == nil {
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return nil, errors.New("RWLayer of container " + name + " is unexpectedly nil")
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}
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c, err := container.RWLayer.Changes()
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if err != nil {
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return nil, err
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}
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containerActions.WithValues("changes").UpdateSince(start)
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return c, nil
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}
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