VOL-1967 move api-server to separate repository

Current with voltha-go acf0adaf2d91ae72b55192cc8a939e0485918d16

Change-Id: I000ea6be0789e20c922bd671562b58a7120892ae
diff --git a/cmd/arouter/arouter.go b/cmd/arouter/arouter.go
new file mode 100644
index 0000000..952fc7b
--- /dev/null
+++ b/cmd/arouter/arouter.go
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2018-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 main
+
+import (
+	"fmt"
+	"github.com/opencord/voltha-api-server/internal/pkg/afrouter"
+	"github.com/opencord/voltha-go/common/log"
+	"github.com/opencord/voltha-go/common/version"
+	"google.golang.org/grpc/grpclog"
+	slog "log"
+	"os"
+)
+
+func main() {
+
+	conf, err := afrouter.ParseCmd()
+	if err != nil {
+		fmt.Printf("Error: %v\n", err)
+		return
+	}
+
+	// Setup logging
+	if _, err := log.SetDefaultLogger(log.JSON, *conf.LogLevel, nil); err != nil {
+		log.With(log.Fields{"error": err}).Fatal("Cannot setup logging")
+	}
+
+	defer log.CleanUp()
+
+	if *conf.DisplayVersionOnly {
+		fmt.Println("VOLTHA API Server (afrouter)")
+		fmt.Println(version.VersionInfo.String("  "))
+		return
+	}
+
+	// Parse the config file
+	err = conf.LoadConfig()
+	if err != nil {
+		log.Error(err)
+		return
+	}
+	log.With(log.Fields{"config": *conf}).Debug("Configuration loaded")
+
+	// Enable grpc logging
+	if *conf.GrpcLog {
+		grpclog.SetLogger(slog.New(os.Stderr, "grpc: ", slog.LstdFlags))
+		//grpclog.SetLoggerV2(lgr)
+	}
+
+	// Install the signal and error handlers.
+	afrouter.InitExitHandler()
+
+	// Create the affinity router proxy...
+	if ap, err := afrouter.NewArouterProxy(conf); err != nil {
+		log.Errorf("Failed to create the arouter proxy, exiting:%v", err)
+		return
+		// and start it.
+		// This function never returns unless an error
+		// occurs or a signal is caught.
+	} else if err := ap.ListenAndServe(); err != nil {
+		log.Errorf("Exiting on error %v", err)
+	}
+
+}