First Commit of Voltha-Go-Controller from Radisys

Change-Id: I8e2e908e7ab09a4fe3d86849da18b6d69dcf4ab0
diff --git a/voltha-go-controller/nbi/rest.go b/voltha-go-controller/nbi/rest.go
new file mode 100644
index 0000000..f6fcf11
--- /dev/null
+++ b/voltha-go-controller/nbi/rest.go
@@ -0,0 +1,49 @@
+/*
+* Copyright 2022-present Open Networking Foundation
+* 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 nbi
+
+import (
+	"context"
+	"net/http"
+
+	"github.com/gorilla/mux"
+
+	"github.com/opencord/voltha-lib-go/v7/pkg/log"
+)
+
+var logger log.CLogger
+var ctx = context.TODO()
+
+// RestStart to execute for API
+func RestStart() {
+	mu := mux.NewRouter()
+	logger.Info(ctx, "Rest Server Starting...")
+	mu.HandleFunc("/subscribers/{id}", (&SubscriberHandle{}).ServeHTTP)
+	mu.HandleFunc("/profiles/{id}", (&ProfileHandle{}).ServeHTTP)
+	mu.HandleFunc("/igmp-proxy/", (&IgmpProxyHandle{}).ServeHTTP)
+	mu.HandleFunc("/multicast/", (&MulticastHandle{}).ServeHTTP)
+	err := http.ListenAndServe(":8181", mu)
+	logger.Infow(ctx, "Rest Server Started", log.Fields{"Error": err})
+}
+
+func init() {
+	// Setup this package so that it's log level can be modified at run time
+	var err error
+	logger, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{})
+	if err != nil {
+		panic(err)
+	}
+}