Move "pause" to daemon/pause.go

This is part of an effort to break apart the deprecated server/ package

Docker-DCO-1.1-Signed-off-by: Solomon Hykes <solomon@docker.com> (github: shykes)

daemon/daemon.go

@@ -111,6 +111,9 @@ func (daemon *Daemon) Install(eng *engine.Engine) error {
 	if err := eng.Register("attach", daemon.ContainerAttach); err != nil {
 		return err
 	}
+	if err := eng.Register("pause", daemon.ContainerPause); err != nil {
+		return err
+	}
 	return nil
 }
 

daemon/pause.go

@@ -0,0 +1,21 @@
+package daemon
+
+import (
+	"github.com/docker/docker/engine"
+)
+
+func (daemon *Daemon) ContainerPause(job *engine.Job) engine.Status {
+	if len(job.Args) != 1 {
+		return job.Errorf("Usage: %s CONTAINER", job.Name)
+	}
+	name := job.Args[0]
+	container := daemon.Get(name)
+	if container == nil {
+		return job.Errorf("No such container: %s", name)
+	}
+	if err := container.Pause(); err != nil {
+		return job.Errorf("Cannot pause container %s: %s", name, err)
+	}
+	job.Eng.Job("log", "pause", container.ID, daemon.Repositories().ImageName(container.Image)).Run()
+	return engine.StatusOK
+}