| 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) |
| } |
| |
| if err := daemon.containerd.Resume(context.Background(), ctr.ID); 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 |
| } |