// ContainerRestart stops and starts a container. It attempts to
// gracefully stop the container within the given timeout, forcefully
// stopping it if the timeout is exceeded. If given a negative
// timeout, ContainerRestart will wait forever until a graceful
// stop. Returns an error if the container cannot be found, or if
// there is an underlying error at any stage of the restart.
func (daemon *Daemon) ContainerRestart(name string, seconds *int) error {
container, err := daemon.GetContainer(name)
if err != nil {
return err
}
if seconds == nil {
stopTimeout := container.StopTimeout()
seconds = &stopTimeout
}
if err := daemon.containerRestart(container, *seconds); err != nil {
return fmt.Errorf("Cannot restart container %s: %v", name, err)
}
return nil
}
// ContainerStop looks for the given container and terminates it,
// waiting the given number of seconds before forcefully killing the
// container. If a negative number of seconds is given, ContainerStop
// will wait for a graceful termination. An error is returned if the
// container is not found, is already stopped, or if there is a
// problem stopping the container.
func (daemon *Daemon) ContainerStop(name string, seconds *int) error {
container, err := daemon.GetContainer(name)
if err != nil {
return err
}
if !container.IsRunning() {
err := fmt.Errorf("Container %s is already stopped", name)
return errors.NewErrorWithStatusCode(err, http.StatusNotModified)
}
if seconds == nil {
stopTimeout := container.StopTimeout()
seconds = &stopTimeout
}
if err := daemon.containerStop(container, *seconds); err != nil {
return fmt.Errorf("Cannot stop container %s: %v", name, err)
}
return nil
}