func (container *Container) monitor(callback execdriver.StartCallback) error {
var (
err error
exitCode int
)
pipes := execdriver.NewPipes(container.stdin, container.stdout, container.stderr, container.Config.OpenStdin)
exitCode, err = container.daemon.Run(container, pipes, callback)
if err != nil {
utils.Errorf("Error running container: %s", err)
}
container.State.SetStopped(exitCode)
// Cleanup
container.cleanup()
// Re-create a brand new stdin pipe once the container exited
if container.Config.OpenStdin {
container.stdin, container.stdinPipe = io.Pipe()
}
if container.daemon != nil && container.daemon.srv != nil {
container.daemon.srv.LogEvent("die", container.ID, container.daemon.repositories.ImageName(container.Image))
}
if container.daemon != nil && container.daemon.srv != nil && container.daemon.srv.IsRunning() {
// FIXME: here is race condition between two RUN instructions in Dockerfile
// because they share same runconfig and change image. Must be fixed
// in server/buildfile.go
if err := container.toDisk(); err != nil {
utils.Errorf("Error dumping container %s state to disk: %s\n", container.ID, err)
}
}
return err
}
func (container *Container) monitor(callback execdriver.StartCallback) error {
var (
err error
exitCode int
)
pipes := execdriver.NewPipes(container.stdin, container.stdout, container.stderr, container.Config.OpenStdin)
exitCode, err = container.daemon.Run(container, pipes, callback)
if err != nil {
utils.Errorf("Error running container: %s", err)
}
if container.daemon != nil && container.daemon.srv != nil && container.daemon.srv.IsRunning() {
container.State.SetStopped(exitCode)
// FIXME: there is a race condition here which causes this to fail during the unit tests.
// If another goroutine was waiting for Wait() to return before removing the container's root
// from the filesystem... At this point it may already have done so.
// This is because State.setStopped() has already been called, and has caused Wait()
// to return.
// FIXME: why are we serializing running state to disk in the first place?
//log.Printf("%s: Failed to dump configuration to the disk: %s", container.ID, err)
if err := container.ToDisk(); err != nil {
utils.Errorf("Error dumping container state to disk: %s\n", err)
}
}
// Cleanup
container.cleanup()
// Re-create a brand new stdin pipe once the container exited
if container.Config.OpenStdin {
container.stdin, container.stdinPipe = io.Pipe()
}
if container.daemon != nil && container.daemon.srv != nil {
container.daemon.srv.LogEvent("die", container.ID, container.daemon.repositories.ImageName(container.Image))
}
close(container.waitLock)
return err
}