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moby--moby/daemon/unpause.go
Daniel Nephin 4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00

44 lines
1.2 KiB
Go

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 {
container, err := daemon.GetContainer(name)
if err != nil {
return err
}
return daemon.containerUnpause(container)
}
// containerUnpause resumes the container execution after the container is paused.
func (daemon *Daemon) containerUnpause(container *container.Container) error {
container.Lock()
defer container.Unlock()
// We cannot unpause the container which is not paused
if !container.Paused {
return fmt.Errorf("Container %s is not paused", container.ID)
}
if err := daemon.containerd.Resume(context.Background(), container.ID); err != nil {
return fmt.Errorf("Cannot unpause container %s: %s", container.ID, err)
}
container.Paused = false
daemon.setStateCounter(container)
daemon.updateHealthMonitor(container)
daemon.LogContainerEvent(container, "unpause")
if err := container.CheckpointTo(daemon.containersReplica); err != nil {
logrus.WithError(err).Warnf("could not save container to disk")
}
return nil
}