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diff --git a/src/tools/emcoui/middle_end/main/main.go b/src/tools/emcoui/middle_end/main/main.go
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+/*
+=======================================================================
+Copyright (c) 2017-2020 Aarna Networks, Inc.
+All rights reserved.
+======================================================================
+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.
+========================================================================
+*/
+
+package main
+
+import (
+ "context"
+ "encoding/json"
+ "fmt"
+ "io/ioutil"
+ "log"
+ "net/http"
+ "os"
+ "os/signal"
+ "time"
+
+ "example.com/middleend/app"
+ "example.com/middleend/authproxy"
+ "example.com/middleend/db"
+ "github.com/gorilla/handlers"
+ "github.com/gorilla/mux"
+)
+
+/* This is the main package of the middleend. This package
+ * implements the http server which exposes service ar 9891.
+ * It also intialises an API router which handles the APIs with
+ * subpath /v1.
+ */
+func main() {
+ depHandler := app.NewAppHandler()
+ authProxyHandler := authproxy.NewAppHandler()
+ configFile, err := os.Open("/opt/emco/config/middleend.conf")
+ if err != nil {
+ fmt.Printf("Failed to read middleend configuration")
+ return
+ }
+ defer configFile.Close()
+
+ // Read the configuration json
+ byteValue, _ := ioutil.ReadAll(configFile)
+ json.Unmarshal(byteValue, &depHandler.MiddleendConf)
+ json.Unmarshal(byteValue, &authProxyHandler.AuthProxyConf)
+
+ // Connect to the DB
+ err = db.CreateDBClient("mongo", "mco", depHandler.MiddleendConf.Mongo)
+ if err != nil {
+ fmt.Println("Failed to connect to DB")
+ return
+ }
+ // Get an instance of the OrchestrationHandler, this type implements
+ // the APIs i.e CreateApp, ShowApp, DeleteApp.
+ httpRouter := mux.NewRouter().PathPrefix("/middleend").Subrouter()
+ loggedRouter := handlers.LoggingHandler(os.Stdout, httpRouter)
+ log.Println("Starting middle end service")
+
+ httpServer := &http.Server{
+ Handler: loggedRouter,
+ Addr: ":" + depHandler.MiddleendConf.OwnPort,
+ WriteTimeout: 15 * time.Second,
+ ReadTimeout: 15 * time.Second,
+ }
+ httpRouter.HandleFunc("/healthcheck", depHandler.GetHealth).Methods("GET")
+
+ // POST, GET, DELETE composite apps
+ httpRouter.HandleFunc("/projects/{project-name}/composite-apps", depHandler.CreateApp).Methods("POST")
+ //httpRouter.HandleFunc("/projects/{project-name}/composite-apps", depHandler.GetAllCaps).Methods("GET")
+ httpRouter.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}",
+ depHandler.GetSvc).Methods("GET")
+ httpRouter.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}",
+ depHandler.DelSvc).Methods("DELETE")
+ // POST, GET, DELETE deployment intent groups
+ httpRouter.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}/deployment-intent-groups",
+ depHandler.CreateDig).Methods("POST")
+ httpRouter.HandleFunc("/projects/{project-name}/deployment-intent-groups", depHandler.GetAllDigs).Methods("GET")
+ httpRouter.HandleFunc("/projects/{project-name}/composite-apps/{composite-app-name}/{version}/deployment-intent-groups/{deployment-intent-group-name}",
+ depHandler.DelDig).Methods("DELETE")
+
+ // Authproxy relates APIs
+ httpRouter.HandleFunc("/login", authProxyHandler.LoginHandler).Methods("GET")
+ httpRouter.HandleFunc("/callback", authProxyHandler.CallbackHandler).Methods("GET")
+ httpRouter.HandleFunc("/auth", authProxyHandler.AuthHandler).Methods("GET")
+ // Cluster createion API
+ httpRouter.HandleFunc("/clusterproviders/{cluster-provider-name}/clusters", depHandler.CheckConnection).Methods("POST")
+
+ // Start server in a go routine.
+ go func() {
+ log.Fatal(httpServer.ListenAndServe())
+ }()
+
+ // Gracefull shutdown of the server,
+ // create a channel and wait for SIGINT
+ c := make(chan os.Signal, 1)
+ signal.Notify(c, os.Interrupt)
+ log.Println("wait for signal")
+ <-c
+ log.Println("Bye Bye")
+ httpServer.Shutdown(context.Background())
+}