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moby--moby/daemon/rename.go
Brian Goff c5c72cf151 Persist container to disk after rename
Fixes #11315

After rename occured the graphdb was updated but the container struct
was never commited back to disk, so on daemon restart it loads the old
name again.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2015-03-11 12:39:31 -07:00

44 lines
978 B
Go

package daemon
import "github.com/docker/docker/engine"
func (daemon *Daemon) ContainerRename(job *engine.Job) engine.Status {
if len(job.Args) != 2 {
return job.Errorf("usage: %s OLD_NAME NEW_NAME", job.Name)
}
oldName := job.Args[0]
newName := job.Args[1]
container, err := daemon.Get(oldName)
if err != nil {
return job.Error(err)
}
oldName = container.Name
container.Lock()
defer container.Unlock()
if newName, err = daemon.reserveName(container.ID, newName); err != nil {
return job.Errorf("Error when allocating new name: %s", err)
}
container.Name = newName
undo := func() {
container.Name = oldName
daemon.reserveName(container.ID, oldName)
daemon.containerGraph.Delete(newName)
}
if err := daemon.containerGraph.Delete(oldName); err != nil {
undo()
return job.Errorf("Failed to delete container %q: %v", oldName, err)
}
if err := container.toDisk(); err != nil {
undo()
return job.Error(err)
}
return engine.StatusOK
}