Merge pull request #3175 from vieux/engine-job-stop

Move stop to job
Upstream-commit: aaa1c48d243e693b29bc52e382e3c37637c8bc3c
Component: engine

components/engine/api.go

@@ -678,17 +678,12 @@ func postContainersStop(srv *Server, version float64, w http.ResponseWriter, r *
 	if err := parseForm(r); err != nil {
 		return err
 	}
-	t, err := strconv.Atoi(r.Form.Get("t"))
-	if err != nil || t < 0 {
-		t = 10
-	}
-
 	if vars == nil {
 		return fmt.Errorf("Missing parameter")
 	}
-	name := vars["name"]
-
-	if err := srv.ContainerStop(name, t); err != nil {
+	job := srv.Eng.Job("stop", vars["name"])
+	job.Setenv("t", r.Form.Get("t"))
+	if err := job.Run(); err != nil {
 		return err
 	}
 	w.WriteHeader(http.StatusNoContent)

components/engine/engine/job.go

@@ -24,7 +24,7 @@ type Job struct {
 	Eng     *Engine
 	Name    string
 	Args    []string
-	env	*Env
+	env     *Env
 	Stdout  *Output
 	Stderr  *Output
 	Stdin   *Input

components/engine/engine/streams.go

@@ -168,7 +168,7 @@ func Tail(src io.Reader, n int, dst *[]string) {
 // AddEnv starts a new goroutine which will decode all subsequent data
 // as a stream of json-encoded objects, and point `dst` to the last
 // decoded object.
-// The result `env` can be queried using the type-neutral Env interface. 
+// The result `env` can be queried using the type-neutral Env interface.
 // It is not safe to query `env` until the Output is closed.
 func (o *Output) AddEnv() (dst *Env, err error) {
 	src, err := o.AddPipe()
@@ -185,9 +185,8 @@ func (o *Output) AddEnv() (dst *Env, err error) {
 			if err != nil {
 				return
 			}
-			*dst= *env
+			*dst = *env
 		}
 	}()
 	return dst, nil
 }
-

components/engine/integration/server_test.go

@@ -129,8 +129,9 @@ func TestCreateRmVolumes(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	err = srv.ContainerStop(id, 1)
-	if err != nil {
+	job = eng.Job("stop", id)
+	job.SetenvInt("t", 1)
+	if err := job.Run(); err != nil {
 		t.Fatal(err)
 	}
 
@@ -188,7 +189,9 @@ func TestCreateStartRestartStopStartKillRm(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	if err := srv.ContainerStop(id, 15); err != nil {
+	job = eng.Job("stop", id)
+	job.SetenvInt("t", 15)
+	if err := job.Run(); err != nil {
 		t.Fatal(err)
 	}
 

components/engine/server.go

@@ -79,6 +79,10 @@ func jobInitApi(job *engine.Job) engine.Status {
 		job.Error(err)
 		return engine.StatusErr
 	}
+	if err := job.Eng.Register("stop", srv.ContainerStop); err != nil {
+		job.Error(err)
+		return engine.StatusErr
+	}
 	if err := job.Eng.Register("start", srv.ContainerStart); err != nil {
 		job.Error(err)
 		return engine.StatusErr
@@ -1727,16 +1731,27 @@ func (srv *Server) ContainerStart(job *engine.Job) engine.Status {
 	return engine.StatusOK
 }
 
-func (srv *Server) ContainerStop(name string, t int) error {
+func (srv *Server) ContainerStop(job *engine.Job) engine.Status {
+	if len(job.Args) != 1 {
+		job.Errorf("Usage: %s CONTAINER\n", job.Name)
+		return engine.StatusErr
+	}
+	name := job.Args[0]
+	t := job.GetenvInt("t")
+	if t == -1 {
+		t = 10
+	}
 	if container := srv.runtime.Get(name); container != nil {
-		if err := container.Stop(t); err != nil {
-			return fmt.Errorf("Cannot stop container %s: %s", name, err)
+		if err := container.Stop(int(t)); err != nil {
+			job.Errorf("Cannot stop container %s: %s\n", name, err)
+			return engine.StatusErr
 		}
 		srv.LogEvent("stop", container.ID, srv.runtime.repositories.ImageName(container.Image))
 	} else {
-		return fmt.Errorf("No such container: %s", name)
+		job.Errorf("No such container: %s\n", name)
+		return engine.StatusErr
 	}
-	return nil
+	return engine.StatusOK
 }
 
 func (srv *Server) ContainerWait(job *engine.Job) engine.Status {