package daemon // import "github.com/docker/docker/daemon" import ( "context" "fmt" "github.com/docker/docker/container" "github.com/sirupsen/logrus" ) // ContainerUnpause unpauses a container func (daemon *Daemon) ContainerUnpause(name string) error { ctr, err := daemon.GetContainer(name) if err != nil { return err } return daemon.containerUnpause(ctr) } // containerUnpause resumes the container execution after the container is paused. func (daemon *Daemon) containerUnpause(ctr *container.Container) error { ctr.Lock() defer ctr.Unlock() // We cannot unpause the container which is not paused if !ctr.Paused { return fmt.Errorf("Container %s is not paused", ctr.ID) } tsk, err := ctr.GetRunningTask() if err != nil { return err } if err := tsk.Resume(context.Background()); err != nil { return fmt.Errorf("Cannot unpause container %s: %s", ctr.ID, err) } ctr.Paused = false daemon.setStateCounter(ctr) daemon.updateHealthMonitor(ctr) daemon.LogContainerEvent(ctr, "unpause") if err := ctr.CheckpointTo(daemon.containersReplica); err != nil { logrus.WithError(err).Warn("could not save container to disk") } return nil }