[VOL-2835] Using different topic per ONU device

Change-Id: I3e55064292f28f9bf39ad6bc75fd5758f5313317
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/common.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/common.go
new file mode 100644
index 0000000..05bc5f9
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/common.go
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2019-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 kafka
+
+import (
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+)
+
+var logger log.Logger
+
+func init() {
+	// Setup this package so that it's log level can be modified at run time
+	var err error
+	logger, err = log.AddPackage(log.JSON, log.ErrorLevel, log.Fields{"pkg": "mocks"})
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/endpoint_manager.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/endpoint_manager.go
new file mode 100644
index 0000000..fedbebf
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/endpoint_manager.go
@@ -0,0 +1,42 @@
+/*
+ * 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 kafka
+
+import (
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+)
+
+type EndpointManager struct{}
+
+func NewEndpointManager() kafka.EndpointManager {
+	mock := &EndpointManager{}
+	return mock
+}
+
+func (em *EndpointManager) GetEndpoint(deviceID string, serviceType string) (kafka.Endpoint, error) {
+	// TODO add mocks call and args
+	return kafka.Endpoint(serviceType), nil
+}
+
+func (em *EndpointManager) IsDeviceOwnedByService(deviceID string, serviceType string, replicaNumber int32) (bool, error) {
+	// TODO add mocks call and args
+	return true, nil
+}
+
+func (em *EndpointManager) GetReplicaAssignment(deviceID string, serviceType string) (kafka.ReplicaID, error) {
+	return kafka.ReplicaID(1), nil
+}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/kafka_client.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/kafka_client.go
new file mode 100644
index 0000000..5922ce2
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/kafka_client.go
@@ -0,0 +1,147 @@
+/*
+ * Copyright 2019-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 kafka
+
+import (
+	"fmt"
+	"sync"
+
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+// static check to ensure KafkaClient implements kafka.Client
+var _ kafka.Client = &KafkaClient{}
+
+type KafkaClient struct {
+	topicsChannelMap map[string][]chan *ic.InterContainerMessage
+	lock             sync.RWMutex
+}
+
+func NewKafkaClient() *KafkaClient {
+	return &KafkaClient{
+		topicsChannelMap: make(map[string][]chan *ic.InterContainerMessage),
+		lock:             sync.RWMutex{},
+	}
+}
+
+func (kc *KafkaClient) Start() error {
+	logger.Debug("kafka-client-started")
+	return nil
+}
+
+func (kc *KafkaClient) Stop() {
+	kc.lock.Lock()
+	defer kc.lock.Unlock()
+	for topic, chnls := range kc.topicsChannelMap {
+		for _, c := range chnls {
+			close(c)
+		}
+		delete(kc.topicsChannelMap, topic)
+	}
+	logger.Debug("kafka-client-stopped")
+}
+
+func (kc *KafkaClient) CreateTopic(topic *kafka.Topic, numPartition int, repFactor int) error {
+	logger.Debugw("CreatingTopic", log.Fields{"topic": topic.Name, "numPartition": numPartition, "replicationFactor": repFactor})
+	kc.lock.Lock()
+	defer kc.lock.Unlock()
+	if _, ok := kc.topicsChannelMap[topic.Name]; ok {
+		return fmt.Errorf("Topic %s already exist", topic.Name)
+	}
+	ch := make(chan *ic.InterContainerMessage)
+	kc.topicsChannelMap[topic.Name] = append(kc.topicsChannelMap[topic.Name], ch)
+	return nil
+}
+
+func (kc *KafkaClient) DeleteTopic(topic *kafka.Topic) error {
+	logger.Debugw("DeleteTopic", log.Fields{"topic": topic.Name})
+	kc.lock.Lock()
+	defer kc.lock.Unlock()
+	delete(kc.topicsChannelMap, topic.Name)
+	return nil
+}
+
+func (kc *KafkaClient) Subscribe(topic *kafka.Topic, kvArgs ...*kafka.KVArg) (<-chan *ic.InterContainerMessage, error) {
+	logger.Debugw("Subscribe", log.Fields{"topic": topic.Name, "args": kvArgs})
+	kc.lock.Lock()
+	defer kc.lock.Unlock()
+	ch := make(chan *ic.InterContainerMessage)
+	kc.topicsChannelMap[topic.Name] = append(kc.topicsChannelMap[topic.Name], ch)
+	return ch, nil
+}
+
+func removeChannel(s []chan *ic.InterContainerMessage, i int) []chan *ic.InterContainerMessage {
+	s[i] = s[len(s)-1]
+	return s[:len(s)-1]
+}
+
+func (kc *KafkaClient) UnSubscribe(topic *kafka.Topic, ch <-chan *ic.InterContainerMessage) error {
+	logger.Debugw("UnSubscribe", log.Fields{"topic": topic.Name})
+	kc.lock.Lock()
+	defer kc.lock.Unlock()
+	if chnls, ok := kc.topicsChannelMap[topic.Name]; ok {
+		idx := -1
+		for i, c := range chnls {
+			if c == ch {
+				close(c)
+				idx = i
+			}
+		}
+		if idx >= 0 {
+			kc.topicsChannelMap[topic.Name] = removeChannel(kc.topicsChannelMap[topic.Name], idx)
+		}
+	}
+	return nil
+}
+
+func (kc *KafkaClient) SubscribeForMetadata(_ func(fromTopic string, timestamp int64)) {
+	logger.Debug("SubscribeForMetadata - unimplemented")
+}
+
+func (kc *KafkaClient) Send(msg interface{}, topic *kafka.Topic, keys ...string) error {
+	req, ok := msg.(*ic.InterContainerMessage)
+	if !ok {
+		return status.Error(codes.InvalidArgument, "msg-not-InterContainerMessage-type")
+	}
+	if req == nil {
+		return status.Error(codes.InvalidArgument, "msg-nil")
+	}
+	kc.lock.RLock()
+	defer kc.lock.RUnlock()
+	for _, ch := range kc.topicsChannelMap[topic.Name] {
+		logger.Debugw("Publishing", log.Fields{"fromTopic": req.Header.FromTopic, "toTopic": topic.Name, "id": req.Header.Id})
+		ch <- req
+	}
+	return nil
+}
+
+func (kc *KafkaClient) SendLiveness() error {
+	return status.Error(codes.Unimplemented, "SendLiveness")
+}
+
+func (kc *KafkaClient) EnableLivenessChannel(enable bool) chan bool {
+	logger.Debug("EnableLivenessChannel - unimplemented")
+	return nil
+}
+
+func (kc *KafkaClient) EnableHealthinessChannel(enable bool) chan bool {
+	logger.Debug("EnableHealthinessChannel - unimplemented")
+	return nil
+}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/kafka_inter_container_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/kafka_inter_container_proxy.go
new file mode 100644
index 0000000..34aec95
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka/kafka_inter_container_proxy.go
@@ -0,0 +1,133 @@
+/*
+ * 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 kafka
+
+import (
+	"context"
+	"github.com/gogo/protobuf/proto"
+	"github.com/golang/protobuf/ptypes"
+	"github.com/golang/protobuf/ptypes/any"
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+)
+
+type InvokeRpcArgs struct {
+	Rpc             string
+	ToTopic         *kafka.Topic
+	ReplyToTopic    *kafka.Topic
+	WaitForResponse bool
+	Key             string
+	ParentDeviceId  string
+	KvArgs          map[int]interface{}
+}
+
+type InvokeRpcSpy struct {
+	CallCount int
+	Calls     map[int]InvokeRpcArgs
+	Timeout   bool
+	Response  proto.Message
+}
+
+type InvokeAsyncRpcSpy struct {
+	CallCount int
+	Calls     map[int]InvokeRpcArgs
+	Timeout   bool
+	Response  proto.Message
+}
+
+type MockKafkaICProxy struct {
+	InvokeRpcSpy InvokeRpcSpy
+}
+
+func (s *MockKafkaICProxy) Start() error { return nil }
+func (s *MockKafkaICProxy) GetDefaultTopic() *kafka.Topic {
+	t := kafka.Topic{
+		Name: "test-topic",
+	}
+	return &t
+}
+func (s *MockKafkaICProxy) DeleteTopic(topic kafka.Topic) error { return nil }
+func (s *MockKafkaICProxy) DeviceDiscovered(deviceId string, deviceType string, parentId string, publisher string) error {
+	return nil
+}
+func (s *MockKafkaICProxy) Stop() {}
+
+func (s *MockKafkaICProxy) InvokeAsyncRPC(ctx context.Context, rpc string, toTopic *kafka.Topic, replyToTopic *kafka.Topic,
+	waitForResponse bool, key string, kvArgs ...*kafka.KVArg) chan *kafka.RpcResponse {
+
+	args := make(map[int]interface{}, 4)
+	for k, v := range kvArgs {
+		args[k] = v
+	}
+
+	s.InvokeRpcSpy.Calls[s.InvokeRpcSpy.CallCount] = InvokeRpcArgs{
+		Rpc:             rpc,
+		ToTopic:         toTopic,
+		ReplyToTopic:    replyToTopic,
+		WaitForResponse: waitForResponse,
+		Key:             key,
+		KvArgs:          args,
+	}
+
+	chnl := make(chan *kafka.RpcResponse)
+
+	return chnl
+}
+
+func (s *MockKafkaICProxy) InvokeRPC(ctx context.Context, rpc string, toTopic *kafka.Topic, replyToTopic *kafka.Topic, waitForResponse bool, key string, kvArgs ...*kafka.KVArg) (bool, *any.Any) {
+	s.InvokeRpcSpy.CallCount++
+
+	success := true
+
+	args := make(map[int]interface{}, 4)
+	for k, v := range kvArgs {
+		args[k] = v
+	}
+
+	s.InvokeRpcSpy.Calls[s.InvokeRpcSpy.CallCount] = InvokeRpcArgs{
+		Rpc:             rpc,
+		ToTopic:         toTopic,
+		ReplyToTopic:    replyToTopic,
+		WaitForResponse: waitForResponse,
+		Key:             key,
+		KvArgs:          args,
+	}
+
+	var response any.Any
+	if s.InvokeRpcSpy.Timeout {
+
+		success = false
+
+		err := &ic.Error{Reason: "context deadline exceeded", Code: ic.ErrorCode_DEADLINE_EXCEEDED}
+		res, _ := ptypes.MarshalAny(err)
+		response = *res
+	} else {
+		res, _ := ptypes.MarshalAny(s.InvokeRpcSpy.Response)
+		response = *res
+	}
+
+	return success, &response
+}
+func (s *MockKafkaICProxy) SubscribeWithRequestHandlerInterface(topic kafka.Topic, handler interface{}) error {
+	return nil
+}
+func (s *MockKafkaICProxy) SubscribeWithDefaultRequestHandler(topic kafka.Topic, initialOffset int64) error {
+	return nil
+}
+func (s *MockKafkaICProxy) UnSubscribeFromRequestHandler(topic kafka.Topic) error { return nil }
+func (s *MockKafkaICProxy) EnableLivenessChannel(enable bool) chan bool           { return nil }
+func (s *MockKafkaICProxy) SendLiveness() error                                   { return nil }