SEBA-749 Initial Checkin of nem-ondemand-proxy;
Add Makefile
Add Kubernetes yaml and scripts

Change-Id: Ic76d2a68bb11a95d5d57a04f1fab373ec36c0958
diff --git a/grpc_client.go b/grpc_client.go
new file mode 100644
index 0000000..38e8449
--- /dev/null
+++ b/grpc_client.go
@@ -0,0 +1,115 @@
+/*
+ * 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 implements a client for Greeter service.
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"github.com/Shopify/sarama"
+	"github.com/golang/protobuf/proto"
+	"github.com/google/uuid"
+	pb "github.com/opencord/voltha-protos/v3/go/voltha"
+	"google.golang.org/grpc"
+	"log"
+	"time"
+)
+
+const (
+	//address     = "compose_rw_core_1:50057"
+	address = "voltha-rw-core.voltha:50057"
+	//kafka_address = "compose_kafka_1:9092"
+	kafka_address = "voltha-kafka.voltha:9092"
+	onuDeviceId   = "world"
+)
+
+func connect(device_id *string) (*pb.Event, error) {
+	// Set up a connection to the server.
+	log.Printf("voltha grpc client started, address=%s ...", address)
+	conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())
+	if err != nil {
+		log.Printf("did not connect: %v", err)
+		return nil, err
+	}
+	defer conn.Close()
+	c := pb.NewVolthaServiceClient(conn)
+	id, err := uuid.NewUUID()
+	log.Printf("ID: %s", id.String())
+	if err != nil {
+		log.Printf("did not generate uuid: %v", err)
+		return nil, err
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	defer cancel()
+	log.Printf("Calling StartOmciTestAction")
+	r, err := c.StartOmciTestAction(ctx, &pb.OmciTestRequest{Id: *device_id, Uuid: id.String()})
+	if err != nil {
+		return nil, fmt.Errorf("start-omci-test-action-failed: %v", err)
+	}
+	log.Printf("Result: %s", r.Result)
+	djson, _ := json.Marshal(r.Result)
+	result := &pb.Event{}
+	if string(djson) == "0" {
+		config := sarama.NewConfig()
+		config.ClientID = "go-kafka-consumer"
+		config.Consumer.Return.Errors = true
+		// Specify brokers address. This is default one
+		brokers := []string{kafka_address}
+		// Create new consumer
+		master, err := sarama.NewConsumer(brokers, config)
+		if err != nil {
+			panic(err)
+		}
+		defer func() {
+			if err := master.Close(); err != nil {
+				panic(err)
+			}
+		}()
+
+		topic := "voltha.events"
+		consumer, err := master.ConsumePartition(topic, 0, sarama.OffsetNewest)
+		if err != nil {
+			panic(err)
+		}
+		// Get signnal for finish
+		doneCh := make(chan struct{})
+		go func() {
+			for {
+				select {
+				case err := <-consumer.Errors():
+					fmt.Println(err)
+				case msg := <-consumer.Messages():
+					unpackResult := &pb.Event{}
+					var err error
+					if err = proto.Unmarshal(msg.Value, unpackResult); err != nil {
+						fmt.Println("Error while doing unmarshal", err)
+					}
+					kpi_event2 := unpackResult.GetKpiEvent2()
+					if (kpi_event2 != nil) && (kpi_event2.SliceData[0].Metadata.Uuid == id.String()) {
+						result = unpackResult
+						close(doneCh)
+						return
+					}
+				}
+			}
+		}()
+		<-doneCh
+		log.Printf("Result: %s", result)
+	}
+	return result, nil
+}