Merge pull request #106 from mopemope/name

Add docker name parameter

backends/dockerclient.go

@@ -112,7 +112,24 @@ func (b *dockerClientBackend) createContainer(cmd ...string) (libswarm.Sender, e
 		return nil, fmt.Errorf("dockerclient: spawn takes exactly 1 argument, got %d", len(cmd))
 	}
 
-	resp, err := b.client.call("POST", "/containers/create", cmd[0])
+	param := cmd[0]
+	containerValues := url.Values{}
+
+	var postParam map[string]interface{}
+	if err := json.Unmarshal([]byte(param), &postParam); err != nil {
+		return nil, err
+	}
+	if name, ok := postParam["name"]; ok {
+		containerValues.Set("name", name.(string))
+		delete(postParam, "name")
+		tmp, err := json.Marshal(postParam)
+		if err != nil {
+			return nil, err
+		}
+		param = string(tmp)
+	}
+
+	resp, err := b.client.call("POST", "/containers/create?"+containerValues.Encode(), param)
 	if err != nil {
 		return nil, err
 	}

backends/dockerclient_test.go

@@ -79,6 +79,25 @@ func TestSpawn(t *testing.T) {
 	server.Check()
 }
 
+func TestSpawnWithName(t *testing.T) {
+	name := "foo"
+	server := makeServer(t, &requestStub{
+		reqMethod: "POST",
+		reqPath:   "/containers/create?name=foo",
+		reqBody:   "{}",
+		resStatus: 201,
+		resBody:   "{}",
+	},
+	)
+
+	i := instance(t, server)
+	_, err := i.Spawn(fmt.Sprintf("{\"name\":\"%s\"}", name))
+	if err != nil {
+		t.Fatal(err)
+	}
+	server.Check()
+}
+
 func TestAttachToChild(t *testing.T) {
 	name := "foo"
 	server := makeServer(t, &requestStub{
@@ -210,7 +229,12 @@ func (s *stubServer) Check() {
 func (s *stubServer) ServeRequest(w http.ResponseWriter, r *http.Request) {
 	for _, record := range s.stubs {
 		stub := record.stub
-		if r.Method == stub.reqMethod && r.URL.Path == stub.reqPath {
+		path := r.URL.Path
+		q := r.URL.RawQuery
+		if q != "" {
+			path += "?" + q
+		}
+		if r.Method == stub.reqMethod && path == stub.reqPath {
 			body, err := ioutil.ReadAll(r.Body)
 			if err != nil {
 				s.t.Fatal(err)

backends/dockerserver.go

@@ -225,6 +225,19 @@ func postContainersCreate(out libswarm.Sender, version version.Version, w http.R
 		return err
 	}
 
+	name := r.Form.Get("name")
+	if name != "" {
+		var reqJson map[string]interface{}
+		if err = json.Unmarshal(body, &reqJson); err != nil {
+			return err
+		}
+		reqJson["name"] = name
+		body, err = json.Marshal(reqJson)
+		if err != nil {
+			return err
+		}
+	}
+
 	container, err := libswarm.AsClient(out).Spawn(string(body))
 	if err != nil {
 		return err