[WIP]Fix the testing for gRPC client

.travis.yml

@@ -15,14 +15,15 @@ notifications:
 
 before_install:
   - go get -u github.com/kardianos/govendor
+  - sudo apt-get install -y git build-essential openvswitch-switch
+  - docker run -d -v /run/openvswitch/db.sock:/var/run/openvswitch/db.sock -p 50051:50051 sdnvortex/network-controller:latest /go/bin/server -tcp=0.0.0.0:50051
 
 install:
   - make pre-build
 
 script:
   - make build
-  - make test
-  - make src.test-coverage
+  - sudo -E PATH=$PATH TEST_GRPC=1 make src.test-coverage
   - docker build --tag sdnvortex/vortex --file ./dockerfiles/Dockerfile .
 
 before_deploy:

src/config/config.go

@@ -18,10 +18,9 @@ type Config struct {
 	Mongo  *mongo.MongoConfig  `json:"mongo"`
 	Logger logger.LoggerConfig `json:"logger"`
 
+	Kubernetes *rest.Config `json:"kubernetes"`
 	// the version settings of the current application
 	Version string `json:"version"`
-
-	Kubernetes *rest.Config `json:"kubernetes"`
 }
 
 func Read(path string) (c Config, err error) {
@@ -34,14 +33,17 @@ func Read(path string) (c Config, err error) {
 	if err := decoder.Decode(&c); err != nil {
 		return c, fmt.Errorf("Failed to load the config file: %v\n", err)
 	}
+
+	// FIXME, we need to find a way to test the fakeclient evne if we don't install the k8s
 	kubeconfig := filepath.Join(os.Getenv("HOME"), ".kube", "config")
 	c.Kubernetes, err = clientcmd.BuildConfigFromFlags("", kubeconfig)
 	if err != nil {
 		c.Kubernetes, err = rest.InClusterConfig()
 		if err != nil {
-			return c, fmt.Errorf("Failed to open the kubernetes config file: %v\n", err)
+			fmt.Errorf("Load the kubernetes config fail, use the fake k8s clinet instead")
 		}
 	}
+
 	return c, nil
 }