First commit

setup/e2mgr/E2Manager/httpserver/http_server.go

@@ -0,0 +1,54 @@
+//
+// Copyright 2019 AT&T Intellectual Property
+// Copyright 2019 Nokia
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//  This source code is part of the near-RT RIC (RAN Intelligent Controller)
+//  platform project (RICP).
+
+package httpserver
+
+import (
+	"e2mgr/controllers"
+	"e2mgr/logger"
+	"fmt"
+	"github.com/gorilla/mux"
+	"net/http"
+)
+
+func Run(log *logger.Logger, port int, rootController controllers.IRootController, nodebController controllers.INodebController, e2tController controllers.IE2TController) error {
+
+	router := mux.NewRouter();
+	initializeRoutes(router, rootController, nodebController, e2tController)
+
+	addr := fmt.Sprintf(":%d", port)
+
+	err := http.ListenAndServe(addr, router)
+
+	log.Errorf("#http_server.Run - Fail initiating HTTP server. Error: %v", err)
+	return err
+}
+
+func initializeRoutes(router *mux.Router, rootController controllers.IRootController, nodebController controllers.INodebController, e2tController controllers.IE2TController) {
+	r := router.PathPrefix("/v1").Subrouter()
+	r.HandleFunc("/health", rootController.HandleHealthCheckRequest).Methods(http.MethodGet)
+
+	rr := r.PathPrefix("/nodeb").Subrouter()
+	rr.HandleFunc("/ids", nodebController.GetNodebIdList).Methods(http.MethodGet)
+	rr.HandleFunc("/{ranName}", nodebController.GetNodeb).Methods(http.MethodGet)
+	rr.HandleFunc("/{ranName}/update", nodebController.UpdateGnb).Methods(http.MethodPut)
+	rr.HandleFunc("/shutdown", nodebController.Shutdown).Methods(http.MethodPut)
+	rrr := r.PathPrefix("/e2t").Subrouter()
+	rrr.HandleFunc("/list", e2tController.GetE2TInstances).Methods(http.MethodGet)
+}

setup/e2mgr/E2Manager/httpserver/http_server_test.go

@@ -0,0 +1,144 @@
+//
+// Copyright 2019 AT&T Intellectual Property
+// Copyright 2019 Nokia
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//  This source code is part of the near-RT RIC (RAN Intelligent Controller)
+//  platform project (RICP).
+
+
+package httpserver
+
+import (
+	"e2mgr/logger"
+	"e2mgr/mocks"
+	"github.com/gorilla/mux"
+	"github.com/stretchr/testify/assert"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+)
+
+func setupRouterAndMocks() (*mux.Router, *mocks.RootControllerMock, *mocks.NodebControllerMock, *mocks.E2TControllerMock) {
+	rootControllerMock := &mocks.RootControllerMock{}
+	rootControllerMock.On("HandleHealthCheckRequest").Return(nil)
+
+	nodebControllerMock := &mocks.NodebControllerMock{}
+	nodebControllerMock.On("Shutdown").Return(nil)
+	nodebControllerMock.On("GetNodeb").Return(nil)
+	nodebControllerMock.On("GetNodebIdList").Return(nil)
+
+	e2tControllerMock := &mocks.E2TControllerMock{}
+
+	e2tControllerMock.On("GetE2TInstances").Return(nil)
+
+	router := mux.NewRouter()
+	initializeRoutes(router, rootControllerMock, nodebControllerMock, e2tControllerMock)
+	return router, rootControllerMock, nodebControllerMock, e2tControllerMock
+}
+
+func TestRouteGetNodebIds(t *testing.T) {
+	router, _, nodebControllerMock, _ := setupRouterAndMocks()
+
+	req, err := http.NewRequest("GET", "/v1/nodeb/ids", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rr := httptest.NewRecorder()
+	router.ServeHTTP(rr, req)
+
+	nodebControllerMock.AssertNumberOfCalls(t, "GetNodebIdList", 1)
+}
+
+func TestRouteGetNodebRanName(t *testing.T) {
+	router, _, nodebControllerMock, _ := setupRouterAndMocks()
+
+	req, err := http.NewRequest("GET", "/v1/nodeb/ran1", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rr := httptest.NewRecorder()
+	router.ServeHTTP(rr, req)
+
+	assert.Equal(t, http.StatusOK, rr.Code, "handler returned wrong status code")
+	assert.Equal(t, "ran1", rr.Body.String(), "handler returned wrong body")
+	nodebControllerMock.AssertNumberOfCalls(t, "GetNodeb", 1)
+}
+
+func TestRouteGetHealth(t *testing.T) {
+	router, rootControllerMock, _, _ := setupRouterAndMocks()
+
+	req, err := http.NewRequest("GET", "/v1/health", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rr := httptest.NewRecorder()
+	router.ServeHTTP(rr, req)
+
+	rootControllerMock.AssertNumberOfCalls(t, "HandleHealthCheckRequest", 1)
+}
+
+func TestRoutePutNodebShutdown(t *testing.T) {
+	router, _, nodebControllerMock, _ := setupRouterAndMocks()
+
+	req, err := http.NewRequest("PUT", "/v1/nodeb/shutdown", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rr := httptest.NewRecorder()
+	router.ServeHTTP(rr, req)
+
+	nodebControllerMock.AssertNumberOfCalls(t, "Shutdown", 1)
+}
+
+func TestRouteNotFound(t *testing.T) {
+	router, _, _,_ := setupRouterAndMocks()
+
+	req, err := http.NewRequest("GET", "/v1/no/such/route", nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	rr := httptest.NewRecorder()
+	router.ServeHTTP(rr, req)
+
+	assert.Equal(t, http.StatusNotFound, rr.Code, "handler returned wrong status code")
+}
+
+func TestRunError(t *testing.T) {
+	log := initLog(t)
+	err := Run(log, 1234567, &mocks.RootControllerMock{}, &mocks.NodebControllerMock{}, &mocks.E2TControllerMock{})
+	assert.NotNil(t, err)
+}
+
+func TestRun(t *testing.T) {
+	log := initLog(t)
+	_, rootControllerMock, nodebControllerMock, e2tControllerMock := setupRouterAndMocks()
+	go Run(log, 11223, rootControllerMock, nodebControllerMock, e2tControllerMock)
+
+	time.Sleep(time.Millisecond * 100)
+	resp, err := http.Get("http://localhost:11223/v1/health")
+	if err != nil {
+		t.Fatalf("failed to perform GET to http://localhost:11223/v1/health")
+	}
+	assert.Equal(t, 200, resp.StatusCode)
+}
+
+func initLog(t *testing.T) *logger.Logger {
+	log, err := logger.InitLogger(logger.InfoLevel)
+	if err != nil {
+		t.Errorf("#initLog test - failed to initialize logger, error: %s", err)
+	}
+	return log
+}