[VOL-3979] Using latest protos and voltha-lib-go

Change-Id: I7544801f675733049a5c8af26546ec24a6652bef
diff --git a/Makefile b/Makefile
index ad3a4ca..ac1808f 100644
--- a/Makefile
+++ b/Makefile
@@ -74,9 +74,9 @@
 ## Local Development Helpers
 local-lib-go: ## Copies a local version of the voltha-lib-go dependency into the vendor directory
 ifdef LOCAL_LIB_GO
-	rm -rf vendor/github.com/opencord/voltha-lib-go/v4/pkg
-	mkdir -p vendor/github.com/opencord/voltha-lib-go/v4/pkg
-	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v4/pkg/
+	rm -rf vendor/github.com/opencord/voltha-lib-go/v5/pkg
+	mkdir -p vendor/github.com/opencord/voltha-lib-go/v5/pkg
+	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v5/pkg/
 endif
 
 
diff --git a/VERSION b/VERSION
index e20c784..9edc58b 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.6.4-dev
+1.6.4
diff --git a/cmd/ofagent/common.go b/cmd/ofagent/common.go
index ebefcc0..e7c0252 100644
--- a/cmd/ofagent/common.go
+++ b/cmd/ofagent/common.go
@@ -18,7 +18,7 @@
 package main
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/cmd/ofagent/main.go b/cmd/ofagent/main.go
index b2e32fe..bae23bc 100644
--- a/cmd/ofagent/main.go
+++ b/cmd/ofagent/main.go
@@ -21,11 +21,11 @@
 	"flag"
 	"fmt"
 	"github.com/opencord/ofagent-go/internal/pkg/ofagent"
-	conf "github.com/opencord/voltha-lib-go/v4/pkg/config"
-	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
-	"github.com/opencord/voltha-lib-go/v4/pkg/probe"
-	"github.com/opencord/voltha-lib-go/v4/pkg/version"
+	conf "github.com/opencord/voltha-lib-go/v5/pkg/config"
+	"github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/probe"
+	"github.com/opencord/voltha-lib-go/v5/pkg/version"
 	"os"
 	"time"
 )
diff --git a/go.mod b/go.mod
index 82b9af9..b4aabb3 100644
--- a/go.mod
+++ b/go.mod
@@ -7,8 +7,8 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4
 	github.com/opencord/goloxi v1.0.1
-	github.com/opencord/voltha-lib-go/v4 v4.2.3
-	github.com/opencord/voltha-protos/v4 v4.1.0
+	github.com/opencord/voltha-lib-go/v5 v5.0.4
+	github.com/opencord/voltha-protos/v4 v4.2.0
 	github.com/opentracing/opentracing-go v1.2.0 // indirect
 	github.com/stretchr/testify v1.4.0
 	golang.org/x/net v0.0.0-20191112182307-2180aed22343
diff --git a/go.sum b/go.sum
index 849ce89..b84d3a7 100644
--- a/go.sum
+++ b/go.sum
@@ -121,11 +121,10 @@
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/opencord/goloxi v1.0.1 h1:QCOZUqgNLi72ylaIPWSLvSvGVDB2FHyatIkAePXr+Dk=
 github.com/opencord/goloxi v1.0.1/go.mod h1:A5U6uO6EaPuQkB5N1RjIV66tYgsKejiGTsEZrU/c19A=
-github.com/opencord/voltha-lib-go/v4 v4.2.3 h1:nT3k4ZMbYhJDrAtkgJ97to4Kznt5fsl5ULcB6XvGIhU=
-github.com/opencord/voltha-lib-go/v4 v4.2.3/go.mod h1:K7lDkSkJ97EyfvX8fQtBmBvpj7n6MmwnAtD8Jz79HcQ=
-github.com/opencord/voltha-protos/v4 v4.0.12/go.mod h1:W/OIFIyvFh/C0vchRUuarIsMylEhzCRM9pNxLvkPtKc=
-github.com/opencord/voltha-protos/v4 v4.1.0 h1:bZRI2sAJyxbDQY4yuTXrPNBnSEgfghyJel1JxBYvhnY=
-github.com/opencord/voltha-protos/v4 v4.1.0/go.mod h1:W/OIFIyvFh/C0vchRUuarIsMylEhzCRM9pNxLvkPtKc=
+github.com/opencord/voltha-lib-go/v5 v5.0.4 h1:GRcWp+iMgRmI59jFBtfx3nYydyzMOLC6uRWkaRWMirE=
+github.com/opencord/voltha-lib-go/v5 v5.0.4/go.mod h1:i1fwPMicFccG38L200+IQAlfHSbszWg//jF1pDQxTPQ=
+github.com/opencord/voltha-protos/v4 v4.2.0 h1:QJZqHPRKa1E1xh40F3UA4xSjBI+6EmW7OfIcJqPNc4A=
+github.com/opencord/voltha-protos/v4 v4.2.0/go.mod h1:wNzWqmTwe7+DbYbpmOX6eMlglREtMkNxIDv3lyI2bco=
 github.com/opentracing/opentracing-go v1.1.0/go.mod h1:UkNAQd3GIcIGf0SeVgPpRdFStlNbqXla1AfSYxPUl2o=
 github.com/opentracing/opentracing-go v1.2.0 h1:uEJPy/1a5RIPAJ0Ov+OIO8OxWu77jEv+1B0VhjKrZUs=
 github.com/opentracing/opentracing-go v1.2.0/go.mod h1:GxEUsuufX4nBwe+T+Wl9TAgYrxe9dPLANfrWvHYVTgc=
diff --git a/internal/pkg/mock/voltha_client_mock.go b/internal/pkg/mock/voltha_client_mock.go
index a41ae2f..6bcb155 100644
--- a/internal/pkg/mock/voltha_client_mock.go
+++ b/internal/pkg/mock/voltha_client_mock.go
@@ -283,3 +283,27 @@
 func (c MockVolthaClient) SetExtValue(ctx context.Context, in *ValueSet, opts ...grpc.CallOption) (*Empty, error) {
 	return &Empty{}, nil
 }
+
+func (c MockVolthaClient) AbortImageUpgradeToDevice(ctx context.Context, imageRequest *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	return &DeviceImageResponse{}, nil
+}
+
+func (c MockVolthaClient) ActivateImage(ctx context.Context, imageRequest *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	return &DeviceImageResponse{}, nil
+}
+
+func (c MockVolthaClient) CommitImage(ctx context.Context, imageRequest *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	return &DeviceImageResponse{}, nil
+}
+
+func (c MockVolthaClient) DownloadImageToDevice(ctx context.Context, imageRequest *DeviceImageDownloadRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	return &DeviceImageResponse{}, nil
+}
+
+func (c MockVolthaClient) GetImageStatus(ctx context.Context, imageRequest *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	return &DeviceImageResponse{}, nil
+}
+
+func (c MockVolthaClient) GetOnuImages(ctx context.Context, id *common.ID, opts ...grpc.CallOption) (*OnuImages, error) {
+	return &OnuImages{}, nil
+}
diff --git a/internal/pkg/ofagent/changeEvent.go b/internal/pkg/ofagent/changeEvent.go
index 845db8a..f9fa98e 100644
--- a/internal/pkg/ofagent/changeEvent.go
+++ b/internal/pkg/ofagent/changeEvent.go
@@ -24,7 +24,7 @@
 	"github.com/golang/protobuf/ptypes/empty"
 	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/ofagent-go/internal/pkg/openflow"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"google.golang.org/grpc"
 )
 
diff --git a/internal/pkg/ofagent/common.go b/internal/pkg/ofagent/common.go
index a4f62ed..9e4b78b 100644
--- a/internal/pkg/ofagent/common.go
+++ b/internal/pkg/ofagent/common.go
@@ -18,7 +18,7 @@
 package ofagent
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/internal/pkg/ofagent/connection.go b/internal/pkg/ofagent/connection.go
index 017c00d..0589fb9 100644
--- a/internal/pkg/ofagent/connection.go
+++ b/internal/pkg/ofagent/connection.go
@@ -23,8 +23,8 @@
 	"github.com/golang/protobuf/ptypes/empty"
 	grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
-	"github.com/opencord/voltha-lib-go/v4/pkg/probe"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/probe"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"google.golang.org/grpc"
 )
diff --git a/internal/pkg/ofagent/ofagent.go b/internal/pkg/ofagent/ofagent.go
index fec0679..298911d 100644
--- a/internal/pkg/ofagent/ofagent.go
+++ b/internal/pkg/ofagent/ofagent.go
@@ -23,8 +23,8 @@
 
 	"github.com/opencord/ofagent-go/internal/pkg/holder"
 	"github.com/opencord/ofagent-go/internal/pkg/openflow"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
-	"github.com/opencord/voltha-lib-go/v4/pkg/probe"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/probe"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"google.golang.org/grpc"
diff --git a/internal/pkg/ofagent/packetIn.go b/internal/pkg/ofagent/packetIn.go
index f3555ae..0b5b604 100644
--- a/internal/pkg/ofagent/packetIn.go
+++ b/internal/pkg/ofagent/packetIn.go
@@ -24,7 +24,7 @@
 	"github.com/opencord/goloxi"
 	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/ofagent-go/internal/pkg/openflow"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"google.golang.org/grpc"
diff --git a/internal/pkg/ofagent/packetOut.go b/internal/pkg/ofagent/packetOut.go
index aee7b75..6764260 100644
--- a/internal/pkg/ofagent/packetOut.go
+++ b/internal/pkg/ofagent/packetOut.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"google.golang.org/grpc"
 )
 
diff --git a/internal/pkg/ofagent/refresh.go b/internal/pkg/ofagent/refresh.go
index c77247d..69ab0aa 100644
--- a/internal/pkg/ofagent/refresh.go
+++ b/internal/pkg/ofagent/refresh.go
@@ -22,7 +22,7 @@
 
 	"github.com/golang/protobuf/ptypes/empty"
 	"github.com/opencord/ofagent-go/internal/pkg/openflow"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofa *OFAgent) synchronizeDeviceList(ctx context.Context) {
diff --git a/internal/pkg/openflow/barrier.go b/internal/pkg/openflow/barrier.go
index 96b466a..5a981f3 100644
--- a/internal/pkg/openflow/barrier.go
+++ b/internal/pkg/openflow/barrier.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofc *OFConnection) handleBarrierRequest(ctx context.Context, request *ofp.BarrierRequest) {
diff --git a/internal/pkg/openflow/client.go b/internal/pkg/openflow/client.go
index 36ca82b..8be866a 100644
--- a/internal/pkg/openflow/client.go
+++ b/internal/pkg/openflow/client.go
@@ -24,7 +24,7 @@
 
 	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/ofagent-go/internal/pkg/holder"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
diff --git a/internal/pkg/openflow/common.go b/internal/pkg/openflow/common.go
index cd9072c..601a46f 100644
--- a/internal/pkg/openflow/common.go
+++ b/internal/pkg/openflow/common.go
@@ -18,7 +18,7 @@
 package openflow
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/internal/pkg/openflow/connection.go b/internal/pkg/openflow/connection.go
index b9c1c71..9a781ec 100644
--- a/internal/pkg/openflow/connection.go
+++ b/internal/pkg/openflow/connection.go
@@ -29,7 +29,7 @@
 	"github.com/opencord/goloxi"
 	ofp "github.com/opencord/goloxi/of13"
 	"github.com/opencord/ofagent-go/internal/pkg/holder"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
diff --git a/internal/pkg/openflow/echo.go b/internal/pkg/openflow/echo.go
index 0525ef3..4eac4a4 100644
--- a/internal/pkg/openflow/echo.go
+++ b/internal/pkg/openflow/echo.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofc *OFConnection) handleEchoRequest(ctx context.Context, request *ofp.EchoRequest) {
diff --git a/internal/pkg/openflow/error.go b/internal/pkg/openflow/error.go
index cfd9c09..b8dabd0 100644
--- a/internal/pkg/openflow/error.go
+++ b/internal/pkg/openflow/error.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofc *OFConnection) handleErrMsg(ctx context.Context, message ofp.IErrorMsg) {
diff --git a/internal/pkg/openflow/feature.go b/internal/pkg/openflow/feature.go
index 7048183..ee8d900 100644
--- a/internal/pkg/openflow/feature.go
+++ b/internal/pkg/openflow/feature.go
@@ -21,7 +21,7 @@
 	"encoding/json"
 
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/common"
 )
 
diff --git a/internal/pkg/openflow/flowMod.go b/internal/pkg/openflow/flowMod.go
index 9e0bdee..c0cbde1 100644
--- a/internal/pkg/openflow/flowMod.go
+++ b/internal/pkg/openflow/flowMod.go
@@ -21,7 +21,7 @@
 	"encoding/binary"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 	"net"
diff --git a/internal/pkg/openflow/getConfig.go b/internal/pkg/openflow/getConfig.go
index f720960..1eaef75 100644
--- a/internal/pkg/openflow/getConfig.go
+++ b/internal/pkg/openflow/getConfig.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofc *OFConnection) handleGetConfigRequest(ctx context.Context, request *ofp.GetConfigRequest) {
diff --git a/internal/pkg/openflow/group.go b/internal/pkg/openflow/group.go
index 42f1671..30253c6 100644
--- a/internal/pkg/openflow/group.go
+++ b/internal/pkg/openflow/group.go
@@ -21,7 +21,7 @@
 	"fmt"
 	"github.com/opencord/goloxi"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
diff --git a/internal/pkg/openflow/meter.go b/internal/pkg/openflow/meter.go
index edaed4d..8600bd4 100644
--- a/internal/pkg/openflow/meter.go
+++ b/internal/pkg/openflow/meter.go
@@ -21,7 +21,7 @@
 	"unsafe"
 
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"golang.org/x/net/context"
 )
diff --git a/internal/pkg/openflow/packet.go b/internal/pkg/openflow/packet.go
index 5e3680d..c53f3aa 100644
--- a/internal/pkg/openflow/packet.go
+++ b/internal/pkg/openflow/packet.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
 
diff --git a/internal/pkg/openflow/parseGrpcReturn.go b/internal/pkg/openflow/parseGrpcReturn.go
index b420d49..c434674 100644
--- a/internal/pkg/openflow/parseGrpcReturn.go
+++ b/internal/pkg/openflow/parseGrpcReturn.go
@@ -23,7 +23,7 @@
 	"fmt"
 	"github.com/opencord/goloxi"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 	"github.com/opencord/voltha-protos/v4/go/voltha"
 )
diff --git a/internal/pkg/openflow/role.go b/internal/pkg/openflow/role.go
index 41008aa..8b1f95e 100644
--- a/internal/pkg/openflow/role.go
+++ b/internal/pkg/openflow/role.go
@@ -21,7 +21,7 @@
 	"encoding/json"
 	"github.com/opencord/goloxi"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofc *OFConnection) handleRoleRequest(ctx context.Context, request *ofp.RoleRequest) {
diff --git a/internal/pkg/openflow/setConfig.go b/internal/pkg/openflow/setConfig.go
index 3d17d7e..cb54683 100644
--- a/internal/pkg/openflow/setConfig.go
+++ b/internal/pkg/openflow/setConfig.go
@@ -20,7 +20,7 @@
 	"context"
 	"encoding/json"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 func (ofc *OFConnection) handleSetConfig(ctx context.Context, request *ofp.SetConfig) {
diff --git a/internal/pkg/openflow/stats.go b/internal/pkg/openflow/stats.go
index 1cc9926..6933743 100644
--- a/internal/pkg/openflow/stats.go
+++ b/internal/pkg/openflow/stats.go
@@ -23,7 +23,7 @@
 
 	"github.com/opencord/goloxi"
 	ofp "github.com/opencord/goloxi/of13"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"github.com/opencord/voltha-protos/v4/go/common"
 	"github.com/opencord/voltha-protos/v4/go/openflow_13"
 )
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/etcdclient.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/etcdclient.go
deleted file mode 100644
index 98f0559..0000000
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/etcdclient.go
+++ /dev/null
@@ -1,506 +0,0 @@
-/*
- * 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 kvstore
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"sync"
-	"time"
-
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
-	v3Client "go.etcd.io/etcd/clientv3"
-
-	v3Concurrency "go.etcd.io/etcd/clientv3/concurrency"
-	v3rpcTypes "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
-)
-
-// EtcdClient represents the Etcd KV store client
-type EtcdClient struct {
-	ectdAPI             *v3Client.Client
-	keyReservations     map[string]*v3Client.LeaseID
-	watchedChannels     sync.Map
-	keyReservationsLock sync.RWMutex
-	lockToMutexMap      map[string]*v3Concurrency.Mutex
-	lockToSessionMap    map[string]*v3Concurrency.Session
-	lockToMutexLock     sync.Mutex
-}
-
-// NewEtcdCustomClient returns a new client for the Etcd KV store allowing
-// the called to specify etcd client configuration
-func NewEtcdCustomClient(ctx context.Context, config *v3Client.Config) (*EtcdClient, error) {
-	c, err := v3Client.New(*config)
-	if err != nil {
-		logger.Error(ctx, err)
-		return nil, err
-	}
-
-	reservations := make(map[string]*v3Client.LeaseID)
-	lockMutexMap := make(map[string]*v3Concurrency.Mutex)
-	lockSessionMap := make(map[string]*v3Concurrency.Session)
-
-	return &EtcdClient{ectdAPI: c, keyReservations: reservations, lockToMutexMap: lockMutexMap,
-		lockToSessionMap: lockSessionMap}, nil
-}
-
-// NewEtcdClient returns a new client for the Etcd KV store
-func NewEtcdClient(ctx context.Context, addr string, timeout time.Duration, level log.LogLevel) (*EtcdClient, error) {
-	logconfig := log.ConstructZapConfig(log.JSON, level, log.Fields{})
-
-	return NewEtcdCustomClient(
-		ctx,
-		&v3Client.Config{
-			Endpoints:   []string{addr},
-			DialTimeout: timeout,
-			LogConfig:   &logconfig})
-}
-
-// IsConnectionUp returns whether the connection to the Etcd KV store is up.  If a timeout occurs then
-// it is assumed the connection is down or unreachable.
-func (c *EtcdClient) IsConnectionUp(ctx context.Context) bool {
-	// Let's try to get a non existent key.  If the connection is up then there will be no error returned.
-	if _, err := c.Get(ctx, "non-existent-key"); err != nil {
-		return false
-	}
-	//cancel()
-	return true
-}
-
-// List returns an array of key-value pairs with key as a prefix.  Timeout defines how long the function will
-// wait for a response
-func (c *EtcdClient) List(ctx context.Context, key string) (map[string]*KVPair, error) {
-	resp, err := c.ectdAPI.Get(ctx, key, v3Client.WithPrefix())
-	if err != nil {
-		logger.Error(ctx, err)
-		return nil, err
-	}
-	m := make(map[string]*KVPair)
-	for _, ev := range resp.Kvs {
-		m[string(ev.Key)] = NewKVPair(string(ev.Key), ev.Value, "", ev.Lease, ev.Version)
-	}
-	return m, nil
-}
-
-// Get returns a key-value pair for a given key. Timeout defines how long the function will
-// wait for a response
-func (c *EtcdClient) Get(ctx context.Context, key string) (*KVPair, error) {
-
-	resp, err := c.ectdAPI.Get(ctx, key)
-
-	if err != nil {
-		logger.Error(ctx, err)
-		return nil, err
-	}
-	for _, ev := range resp.Kvs {
-		// Only one value is returned
-		return NewKVPair(string(ev.Key), ev.Value, "", ev.Lease, ev.Version), nil
-	}
-	return nil, nil
-}
-
-// Put writes a key-value pair to the KV store.  Value can only be a string or []byte since the etcd API
-// accepts only a string as a value for a put operation. Timeout defines how long the function will
-// wait for a response
-func (c *EtcdClient) Put(ctx context.Context, key string, value interface{}) error {
-
-	// Validate that we can convert value to a string as etcd API expects a string
-	var val string
-	var er error
-	if val, er = ToString(value); er != nil {
-		return fmt.Errorf("unexpected-type-%T", value)
-	}
-
-	var err error
-	// Check if there is already a lease for this key - if there is then use it, otherwise a PUT will make
-	// that KV key permanent instead of automatically removing it after a lease expiration
-	c.keyReservationsLock.RLock()
-	leaseID, ok := c.keyReservations[key]
-	c.keyReservationsLock.RUnlock()
-	if ok {
-		_, err = c.ectdAPI.Put(ctx, key, val, v3Client.WithLease(*leaseID))
-	} else {
-		_, err = c.ectdAPI.Put(ctx, key, val)
-	}
-
-	if err != nil {
-		switch err {
-		case context.Canceled:
-			logger.Warnw(ctx, "context-cancelled", log.Fields{"error": err})
-		case context.DeadlineExceeded:
-			logger.Warnw(ctx, "context-deadline-exceeded", log.Fields{"error": err})
-		case v3rpcTypes.ErrEmptyKey:
-			logger.Warnw(ctx, "etcd-client-error", log.Fields{"error": err})
-		default:
-			logger.Warnw(ctx, "bad-endpoints", log.Fields{"error": err})
-		}
-		return err
-	}
-	return nil
-}
-
-// Delete removes a key from the KV store. Timeout defines how long the function will
-// wait for a response
-func (c *EtcdClient) Delete(ctx context.Context, key string) error {
-
-	// delete the key
-	if _, err := c.ectdAPI.Delete(ctx, key); err != nil {
-		logger.Errorw(ctx, "failed-to-delete-key", log.Fields{"key": key, "error": err})
-		return err
-	}
-	logger.Debugw(ctx, "key(s)-deleted", log.Fields{"key": key})
-	return nil
-}
-
-func (c *EtcdClient) DeleteWithPrefix(ctx context.Context, prefixKey string) error {
-
-	//delete the prefix
-	if _, err := c.ectdAPI.Delete(ctx, prefixKey, v3Client.WithPrefix()); err != nil {
-		logger.Errorw(ctx, "failed-to-delete-prefix-key", log.Fields{"key": prefixKey, "error": err})
-		return err
-	}
-	logger.Debugw(ctx, "key(s)-deleted", log.Fields{"key": prefixKey})
-	return nil
-}
-
-// Reserve is invoked to acquire a key and set it to a given value. Value can only be a string or []byte since
-// the etcd API accepts only a string.  Timeout defines how long the function will wait for a response.  TTL
-// defines how long that reservation is valid.  When TTL expires the key is unreserved by the KV store itself.
-// If the key is acquired then the value returned will be the value passed in.  If the key is already acquired
-// then the value assigned to that key will be returned.
-func (c *EtcdClient) Reserve(ctx context.Context, key string, value interface{}, ttl time.Duration) (interface{}, error) {
-	// Validate that we can convert value to a string as etcd API expects a string
-	var val string
-	var er error
-	if val, er = ToString(value); er != nil {
-		return nil, fmt.Errorf("unexpected-type%T", value)
-	}
-
-	resp, err := c.ectdAPI.Grant(ctx, int64(ttl.Seconds()))
-	if err != nil {
-		logger.Error(ctx, err)
-		return nil, err
-	}
-	// Register the lease id
-	c.keyReservationsLock.Lock()
-	c.keyReservations[key] = &resp.ID
-	c.keyReservationsLock.Unlock()
-
-	// Revoke lease if reservation is not successful
-	reservationSuccessful := false
-	defer func() {
-		if !reservationSuccessful {
-			if err = c.ReleaseReservation(context.Background(), key); err != nil {
-				logger.Error(ctx, "cannot-release-lease")
-			}
-		}
-	}()
-
-	// Try to grap the Key with the above lease
-	c.ectdAPI.Txn(context.Background())
-	txn := c.ectdAPI.Txn(context.Background())
-	txn = txn.If(v3Client.Compare(v3Client.Version(key), "=", 0))
-	txn = txn.Then(v3Client.OpPut(key, val, v3Client.WithLease(resp.ID)))
-	txn = txn.Else(v3Client.OpGet(key))
-	result, er := txn.Commit()
-	if er != nil {
-		return nil, er
-	}
-
-	if !result.Succeeded {
-		// Verify whether we are already the owner of that Key
-		if len(result.Responses) > 0 &&
-			len(result.Responses[0].GetResponseRange().Kvs) > 0 {
-			kv := result.Responses[0].GetResponseRange().Kvs[0]
-			if string(kv.Value) == val {
-				reservationSuccessful = true
-				return value, nil
-			}
-			return kv.Value, nil
-		}
-	} else {
-		// Read the Key to ensure this is our Key
-		m, err := c.Get(ctx, key)
-		if err != nil {
-			return nil, err
-		}
-		if m != nil {
-			if m.Key == key && isEqual(m.Value, value) {
-				// My reservation is successful - register it.  For now, support is only for 1 reservation per key
-				// per session.
-				reservationSuccessful = true
-				return value, nil
-			}
-			// My reservation has failed.  Return the owner of that key
-			return m.Value, nil
-		}
-	}
-	return nil, nil
-}
-
-// ReleaseAllReservations releases all key reservations previously made (using Reserve API)
-func (c *EtcdClient) ReleaseAllReservations(ctx context.Context) error {
-	c.keyReservationsLock.Lock()
-	defer c.keyReservationsLock.Unlock()
-
-	for key, leaseID := range c.keyReservations {
-		_, err := c.ectdAPI.Revoke(ctx, *leaseID)
-		if err != nil {
-			logger.Errorw(ctx, "cannot-release-reservation", log.Fields{"key": key, "error": err})
-			return err
-		}
-		delete(c.keyReservations, key)
-	}
-	return nil
-}
-
-// ReleaseReservation releases reservation for a specific key.
-func (c *EtcdClient) ReleaseReservation(ctx context.Context, key string) error {
-	// Get the leaseid using the key
-	logger.Debugw(ctx, "Release-reservation", log.Fields{"key": key})
-	var ok bool
-	var leaseID *v3Client.LeaseID
-	c.keyReservationsLock.Lock()
-	defer c.keyReservationsLock.Unlock()
-	if leaseID, ok = c.keyReservations[key]; !ok {
-		return nil
-	}
-
-	if leaseID != nil {
-		_, err := c.ectdAPI.Revoke(ctx, *leaseID)
-		if err != nil {
-			logger.Error(ctx, err)
-			return err
-		}
-		delete(c.keyReservations, key)
-	}
-	return nil
-}
-
-// RenewReservation renews a reservation.  A reservation will go stale after the specified TTL (Time To Live)
-// period specified when reserving the key
-func (c *EtcdClient) RenewReservation(ctx context.Context, key string) error {
-	// Get the leaseid using the key
-	var ok bool
-	var leaseID *v3Client.LeaseID
-	c.keyReservationsLock.RLock()
-	leaseID, ok = c.keyReservations[key]
-	c.keyReservationsLock.RUnlock()
-
-	if !ok {
-		return errors.New("key-not-reserved")
-	}
-
-	if leaseID != nil {
-		_, err := c.ectdAPI.KeepAliveOnce(ctx, *leaseID)
-		if err != nil {
-			logger.Errorw(ctx, "lease-may-have-expired", log.Fields{"error": err})
-			return err
-		}
-	} else {
-		return errors.New("lease-expired")
-	}
-	return nil
-}
-
-// Watch provides the watch capability on a given key.  It returns a channel onto which the callee needs to
-// listen to receive Events.
-func (c *EtcdClient) Watch(ctx context.Context, key string, withPrefix bool) chan *Event {
-	w := v3Client.NewWatcher(c.ectdAPI)
-	ctx, cancel := context.WithCancel(ctx)
-	var channel v3Client.WatchChan
-	if withPrefix {
-		channel = w.Watch(ctx, key, v3Client.WithPrefix())
-	} else {
-		channel = w.Watch(ctx, key)
-	}
-
-	// Create a new channel
-	ch := make(chan *Event, maxClientChannelBufferSize)
-
-	// Keep track of the created channels so they can be closed when required
-	channelMap := make(map[chan *Event]v3Client.Watcher)
-	channelMap[ch] = w
-
-	channelMaps := c.addChannelMap(key, channelMap)
-
-	// Changing the log field (from channelMaps) as the underlying logger cannot format the map of channels into a
-	// json format.
-	logger.Debugw(ctx, "watched-channels", log.Fields{"len": len(channelMaps)})
-	// Launch a go routine to listen for updates
-	go c.listenForKeyChange(ctx, channel, ch, cancel)
-
-	return ch
-
-}
-
-func (c *EtcdClient) addChannelMap(key string, channelMap map[chan *Event]v3Client.Watcher) []map[chan *Event]v3Client.Watcher {
-	var channels interface{}
-	var exists bool
-
-	if channels, exists = c.watchedChannels.Load(key); exists {
-		channels = append(channels.([]map[chan *Event]v3Client.Watcher), channelMap)
-	} else {
-		channels = []map[chan *Event]v3Client.Watcher{channelMap}
-	}
-	c.watchedChannels.Store(key, channels)
-
-	return channels.([]map[chan *Event]v3Client.Watcher)
-}
-
-func (c *EtcdClient) removeChannelMap(key string, pos int) []map[chan *Event]v3Client.Watcher {
-	var channels interface{}
-	var exists bool
-
-	if channels, exists = c.watchedChannels.Load(key); exists {
-		channels = append(channels.([]map[chan *Event]v3Client.Watcher)[:pos], channels.([]map[chan *Event]v3Client.Watcher)[pos+1:]...)
-		c.watchedChannels.Store(key, channels)
-	}
-
-	return channels.([]map[chan *Event]v3Client.Watcher)
-}
-
-func (c *EtcdClient) getChannelMaps(key string) ([]map[chan *Event]v3Client.Watcher, bool) {
-	var channels interface{}
-	var exists bool
-
-	channels, exists = c.watchedChannels.Load(key)
-
-	if channels == nil {
-		return nil, exists
-	}
-
-	return channels.([]map[chan *Event]v3Client.Watcher), exists
-}
-
-// CloseWatch closes a specific watch. Both the key and the channel are required when closing a watch as there
-// may be multiple listeners on the same key.  The previously created channel serves as a key
-func (c *EtcdClient) CloseWatch(ctx context.Context, key string, ch chan *Event) {
-	// Get the array of channels mapping
-	var watchedChannels []map[chan *Event]v3Client.Watcher
-	var ok bool
-
-	if watchedChannels, ok = c.getChannelMaps(key); !ok {
-		logger.Warnw(ctx, "key-has-no-watched-channels", log.Fields{"key": key})
-		return
-	}
-	// Look for the channels
-	var pos = -1
-	for i, chMap := range watchedChannels {
-		if t, ok := chMap[ch]; ok {
-			logger.Debug(ctx, "channel-found")
-			// Close the etcd watcher before the client channel.  This should close the etcd channel as well
-			if err := t.Close(); err != nil {
-				logger.Errorw(ctx, "watcher-cannot-be-closed", log.Fields{"key": key, "error": err})
-			}
-			pos = i
-			break
-		}
-	}
-
-	channelMaps, _ := c.getChannelMaps(key)
-	// Remove that entry if present
-	if pos >= 0 {
-		channelMaps = c.removeChannelMap(key, pos)
-	}
-	logger.Infow(ctx, "watcher-channel-exiting", log.Fields{"key": key, "channel": channelMaps})
-}
-
-func (c *EtcdClient) listenForKeyChange(ctx context.Context, channel v3Client.WatchChan, ch chan<- *Event, cancel context.CancelFunc) {
-	logger.Debug(ctx, "start-listening-on-channel ...")
-	defer cancel()
-	defer close(ch)
-	for resp := range channel {
-		for _, ev := range resp.Events {
-			ch <- NewEvent(getEventType(ev), ev.Kv.Key, ev.Kv.Value, ev.Kv.Version)
-		}
-	}
-	logger.Debug(ctx, "stop-listening-on-channel ...")
-}
-
-func getEventType(event *v3Client.Event) int {
-	switch event.Type {
-	case v3Client.EventTypePut:
-		return PUT
-	case v3Client.EventTypeDelete:
-		return DELETE
-	}
-	return UNKNOWN
-}
-
-// Close closes the KV store client
-func (c *EtcdClient) Close(ctx context.Context) {
-	if err := c.ectdAPI.Close(); err != nil {
-		logger.Errorw(ctx, "error-closing-client", log.Fields{"error": err})
-	}
-}
-
-func (c *EtcdClient) addLockName(lockName string, lock *v3Concurrency.Mutex, session *v3Concurrency.Session) {
-	c.lockToMutexLock.Lock()
-	defer c.lockToMutexLock.Unlock()
-	c.lockToMutexMap[lockName] = lock
-	c.lockToSessionMap[lockName] = session
-}
-
-func (c *EtcdClient) deleteLockName(lockName string) {
-	c.lockToMutexLock.Lock()
-	defer c.lockToMutexLock.Unlock()
-	delete(c.lockToMutexMap, lockName)
-	delete(c.lockToSessionMap, lockName)
-}
-
-func (c *EtcdClient) getLock(lockName string) (*v3Concurrency.Mutex, *v3Concurrency.Session) {
-	c.lockToMutexLock.Lock()
-	defer c.lockToMutexLock.Unlock()
-	var lock *v3Concurrency.Mutex
-	var session *v3Concurrency.Session
-	if l, exist := c.lockToMutexMap[lockName]; exist {
-		lock = l
-	}
-	if s, exist := c.lockToSessionMap[lockName]; exist {
-		session = s
-	}
-	return lock, session
-}
-
-func (c *EtcdClient) AcquireLock(ctx context.Context, lockName string, timeout time.Duration) error {
-	session, _ := v3Concurrency.NewSession(c.ectdAPI, v3Concurrency.WithContext(ctx))
-	mu := v3Concurrency.NewMutex(session, "/devicelock_"+lockName)
-	if err := mu.Lock(context.Background()); err != nil {
-		//cancel()
-		return err
-	}
-	c.addLockName(lockName, mu, session)
-	return nil
-}
-
-func (c *EtcdClient) ReleaseLock(lockName string) error {
-	lock, session := c.getLock(lockName)
-	var err error
-	if lock != nil {
-		if e := lock.Unlock(context.Background()); e != nil {
-			err = e
-		}
-	}
-	if session != nil {
-		if e := session.Close(); e != nil {
-			err = e
-		}
-	}
-	c.deleteLockName(lockName)
-
-	return err
-}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/common.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/common.go
similarity index 94%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/common.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/common.go
index 294a4bd..606d18c 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/common.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/common.go
@@ -16,7 +16,7 @@
 package config
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/configmanager.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/configmanager.go
similarity index 98%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/configmanager.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/configmanager.go
index 8350225..f5efa36 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/configmanager.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/configmanager.go
@@ -22,9 +22,9 @@
 	"strings"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v4/pkg/db"
-	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/db"
+	"github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 const (
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/logcontroller.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/logcontroller.go
similarity index 99%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/logcontroller.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/logcontroller.go
index 8187edc..68bfb32 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/logcontroller.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/logcontroller.go
@@ -26,7 +26,7 @@
 	"crypto/md5"
 	"encoding/json"
 	"errors"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"os"
 	"sort"
 	"strings"
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/logfeaturescontroller.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/logfeaturescontroller.go
similarity index 99%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/logfeaturescontroller.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/logfeaturescontroller.go
index 353ae5c..95c5bde 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/config/logfeaturescontroller.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/config/logfeaturescontroller.go
@@ -19,7 +19,7 @@
 import (
 	"context"
 	"errors"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"os"
 	"strings"
 )
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/backend.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/backend.go
similarity index 98%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/backend.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/backend.go
index bf30a48..ff0b5b7 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/backend.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/backend.go
@@ -23,8 +23,8 @@
 	"sync"
 	"time"
 
-	"github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
 )
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/common.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/common.go
similarity index 94%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/common.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/common.go
index 25cddf5..4bc92b1 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/common.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/common.go
@@ -16,7 +16,7 @@
 package db
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/client.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/client.go
similarity index 95%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/client.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/client.go
index b35f1f3..e4b1fff 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/client.go
@@ -79,14 +79,17 @@
 	Put(ctx context.Context, key string, value interface{}) error
 	Delete(ctx context.Context, key string) error
 	DeleteWithPrefix(ctx context.Context, prefixKey string) error
+	Watch(ctx context.Context, key string, withPrefix bool) chan *Event
+	IsConnectionUp(ctx context.Context) bool // timeout in second
+	CloseWatch(ctx context.Context, key string, ch chan *Event)
+	Close(ctx context.Context)
+
+	// These APIs are not used.  They will be cleaned up in release Voltha 2.9.
+	// It's not cleaned now to limit changes in all components
 	Reserve(ctx context.Context, key string, value interface{}, ttl time.Duration) (interface{}, error)
 	ReleaseReservation(ctx context.Context, key string) error
 	ReleaseAllReservations(ctx context.Context) error
 	RenewReservation(ctx context.Context, key string) error
-	Watch(ctx context.Context, key string, withPrefix bool) chan *Event
 	AcquireLock(ctx context.Context, lockName string, timeout time.Duration) error
 	ReleaseLock(lockName string) error
-	IsConnectionUp(ctx context.Context) bool // timeout in second
-	CloseWatch(ctx context.Context, key string, ch chan *Event)
-	Close(ctx context.Context)
 }
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/common.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/common.go
similarity index 94%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/common.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/common.go
index 99c603d..b8509db 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/common.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/common.go
@@ -16,7 +16,7 @@
 package kvstore
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/etcdclient.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/etcdclient.go
new file mode 100644
index 0000000..96ffc2f
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/etcdclient.go
@@ -0,0 +1,473 @@
+/*
+ * 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 kvstore
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
+	v3Client "go.etcd.io/etcd/clientv3"
+	v3rpcTypes "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
+	"os"
+	"strconv"
+	"sync"
+	"time"
+)
+
+const (
+	poolCapacityEnvName = "VOLTHA_ETCD_CLIENT_POOL_CAPACITY"
+	maxUsageEnvName     = "VOLTHA_ETCD_CLIENT_MAX_USAGE"
+)
+
+const (
+	defaultMaxPoolCapacity = 1000 // Default size of an Etcd Client pool
+	defaultMaxPoolUsage    = 100  // Maximum concurrent request an Etcd Client is allowed to process
+)
+
+// EtcdClient represents the Etcd KV store client
+type EtcdClient struct {
+	pool               EtcdClientAllocator
+	watchedChannels    sync.Map
+	watchedClients     map[string]*v3Client.Client
+	watchedClientsLock sync.RWMutex
+}
+
+// NewEtcdCustomClient returns a new client for the Etcd KV store allowing
+// the called to specify etcd client configuration
+func NewEtcdCustomClient(ctx context.Context, addr string, timeout time.Duration, level log.LogLevel) (*EtcdClient, error) {
+	// Get the capacity and max usage from the environment
+	capacity := defaultMaxPoolCapacity
+	maxUsage := defaultMaxPoolUsage
+	if capacityStr, present := os.LookupEnv(poolCapacityEnvName); present {
+		if val, err := strconv.Atoi(capacityStr); err == nil {
+			capacity = val
+			logger.Infow(ctx, "env-variable-set", log.Fields{"pool-capacity": capacity})
+		} else {
+			logger.Warnw(ctx, "invalid-capacity-value", log.Fields{"error": err, "capacity": capacityStr})
+		}
+	}
+	if maxUsageStr, present := os.LookupEnv(maxUsageEnvName); present {
+		if val, err := strconv.Atoi(maxUsageStr); err == nil {
+			maxUsage = val
+			logger.Infow(ctx, "env-variable-set", log.Fields{"max-usage": maxUsage})
+		} else {
+			logger.Warnw(ctx, "invalid-max-usage-value", log.Fields{"error": err, "max-usage": maxUsageStr})
+		}
+	}
+
+	var err error
+
+	pool, err := NewRoundRobinEtcdClientAllocator([]string{addr}, timeout, capacity, maxUsage, level)
+	if err != nil {
+		logger.Errorw(ctx, "failed-to-create-rr-client", log.Fields{
+			"error": err,
+		})
+	}
+
+	logger.Infow(ctx, "etcd-pool-created", log.Fields{"capacity": capacity, "max-usage": maxUsage})
+
+	return &EtcdClient{pool: pool,
+		watchedClients: make(map[string]*v3Client.Client),
+	}, nil
+}
+
+// NewEtcdClient returns a new client for the Etcd KV store
+func NewEtcdClient(ctx context.Context, addr string, timeout time.Duration, level log.LogLevel) (*EtcdClient, error) {
+	return NewEtcdCustomClient(ctx, addr, timeout, level)
+}
+
+// IsConnectionUp returns whether the connection to the Etcd KV store is up.  If a timeout occurs then
+// it is assumed the connection is down or unreachable.
+func (c *EtcdClient) IsConnectionUp(ctx context.Context) bool {
+	// Let's try to get a non existent key.  If the connection is up then there will be no error returned.
+	if _, err := c.Get(ctx, "non-existent-key"); err != nil {
+		return false
+	}
+	return true
+}
+
+// List returns an array of key-value pairs with key as a prefix.  Timeout defines how long the function will
+// wait for a response
+func (c *EtcdClient) List(ctx context.Context, key string) (map[string]*KVPair, error) {
+	client, err := c.pool.Get(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer c.pool.Put(client)
+	resp, err := client.Get(ctx, key, v3Client.WithPrefix())
+
+	if err != nil {
+		logger.Error(ctx, err)
+		return nil, err
+	}
+	m := make(map[string]*KVPair)
+	for _, ev := range resp.Kvs {
+		m[string(ev.Key)] = NewKVPair(string(ev.Key), ev.Value, "", ev.Lease, ev.Version)
+	}
+	return m, nil
+}
+
+// Get returns a key-value pair for a given key. Timeout defines how long the function will
+// wait for a response
+func (c *EtcdClient) Get(ctx context.Context, key string) (*KVPair, error) {
+	client, err := c.pool.Get(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer c.pool.Put(client)
+
+	attempt := 0
+
+startLoop:
+	for {
+		resp, err := client.Get(ctx, key)
+		if err != nil {
+			switch err {
+			case context.Canceled:
+				logger.Warnw(ctx, "context-cancelled", log.Fields{"error": err})
+			case context.DeadlineExceeded:
+				logger.Warnw(ctx, "context-deadline-exceeded", log.Fields{"error": err, "context": ctx})
+			case v3rpcTypes.ErrEmptyKey:
+				logger.Warnw(ctx, "etcd-client-error", log.Fields{"error": err})
+			case v3rpcTypes.ErrLeaderChanged,
+				v3rpcTypes.ErrGRPCNoLeader,
+				v3rpcTypes.ErrTimeout,
+				v3rpcTypes.ErrTimeoutDueToLeaderFail,
+				v3rpcTypes.ErrTimeoutDueToConnectionLost:
+				// Retry for these server errors
+				attempt += 1
+				if er := backoff(ctx, attempt); er != nil {
+					logger.Warnw(ctx, "get-retries-failed", log.Fields{"key": key, "error": er, "attempt": attempt})
+					return nil, err
+				}
+				logger.Warnw(ctx, "retrying-get", log.Fields{"key": key, "error": err, "attempt": attempt})
+				goto startLoop
+			default:
+				logger.Warnw(ctx, "etcd-server-error", log.Fields{"error": err})
+			}
+			return nil, err
+		}
+
+		for _, ev := range resp.Kvs {
+			// Only one value is returned
+			return NewKVPair(string(ev.Key), ev.Value, "", ev.Lease, ev.Version), nil
+		}
+		return nil, nil
+	}
+}
+
+// Put writes a key-value pair to the KV store.  Value can only be a string or []byte since the etcd API
+// accepts only a string as a value for a put operation. Timeout defines how long the function will
+// wait for a response
+func (c *EtcdClient) Put(ctx context.Context, key string, value interface{}) error {
+
+	// Validate that we can convert value to a string as etcd API expects a string
+	var val string
+	var err error
+	if val, err = ToString(value); err != nil {
+		return fmt.Errorf("unexpected-type-%T", value)
+	}
+
+	client, err := c.pool.Get(ctx)
+	if err != nil {
+		return err
+	}
+	defer c.pool.Put(client)
+
+	attempt := 0
+startLoop:
+	for {
+		_, err = client.Put(ctx, key, val)
+		if err != nil {
+			switch err {
+			case context.Canceled:
+				logger.Warnw(ctx, "context-cancelled", log.Fields{"error": err})
+			case context.DeadlineExceeded:
+				logger.Warnw(ctx, "context-deadline-exceeded", log.Fields{"error": err, "context": ctx})
+			case v3rpcTypes.ErrEmptyKey:
+				logger.Warnw(ctx, "etcd-client-error", log.Fields{"error": err})
+			case v3rpcTypes.ErrLeaderChanged,
+				v3rpcTypes.ErrGRPCNoLeader,
+				v3rpcTypes.ErrTimeout,
+				v3rpcTypes.ErrTimeoutDueToLeaderFail,
+				v3rpcTypes.ErrTimeoutDueToConnectionLost:
+				// Retry for these server errors
+				attempt += 1
+				if er := backoff(ctx, attempt); er != nil {
+					logger.Warnw(ctx, "put-retries-failed", log.Fields{"key": key, "error": er, "attempt": attempt})
+					return err
+				}
+				logger.Warnw(ctx, "retrying-put", log.Fields{"key": key, "error": err, "attempt": attempt})
+				goto startLoop
+			default:
+				logger.Warnw(ctx, "etcd-server-error", log.Fields{"error": err})
+			}
+			return err
+		}
+		return nil
+	}
+}
+
+// Delete removes a key from the KV store. Timeout defines how long the function will
+// wait for a response
+func (c *EtcdClient) Delete(ctx context.Context, key string) error {
+	client, err := c.pool.Get(ctx)
+	if err != nil {
+		return err
+	}
+	defer c.pool.Put(client)
+
+	attempt := 0
+startLoop:
+	for {
+		_, err = client.Delete(ctx, key)
+		if err != nil {
+			switch err {
+			case context.Canceled:
+				logger.Warnw(ctx, "context-cancelled", log.Fields{"error": err})
+			case context.DeadlineExceeded:
+				logger.Warnw(ctx, "context-deadline-exceeded", log.Fields{"error": err, "context": ctx})
+			case v3rpcTypes.ErrEmptyKey:
+				logger.Warnw(ctx, "etcd-client-error", log.Fields{"error": err})
+			case v3rpcTypes.ErrLeaderChanged,
+				v3rpcTypes.ErrGRPCNoLeader,
+				v3rpcTypes.ErrTimeout,
+				v3rpcTypes.ErrTimeoutDueToLeaderFail,
+				v3rpcTypes.ErrTimeoutDueToConnectionLost:
+				// Retry for these server errors
+				attempt += 1
+				if er := backoff(ctx, attempt); er != nil {
+					logger.Warnw(ctx, "delete-retries-failed", log.Fields{"key": key, "error": er, "attempt": attempt})
+					return err
+				}
+				logger.Warnw(ctx, "retrying-delete", log.Fields{"key": key, "error": err, "attempt": attempt})
+				goto startLoop
+			default:
+				logger.Warnw(ctx, "etcd-server-error", log.Fields{"error": err})
+			}
+			return err
+		}
+		logger.Debugw(ctx, "key(s)-deleted", log.Fields{"key": key})
+		return nil
+	}
+}
+
+func (c *EtcdClient) DeleteWithPrefix(ctx context.Context, prefixKey string) error {
+
+	client, err := c.pool.Get(ctx)
+	if err != nil {
+		return err
+	}
+	defer c.pool.Put(client)
+
+	//delete the prefix
+	if _, err := client.Delete(ctx, prefixKey, v3Client.WithPrefix()); err != nil {
+		logger.Errorw(ctx, "failed-to-delete-prefix-key", log.Fields{"key": prefixKey, "error": err})
+		return err
+	}
+	logger.Debugw(ctx, "key(s)-deleted", log.Fields{"key": prefixKey})
+	return nil
+}
+
+// Watch provides the watch capability on a given key.  It returns a channel onto which the callee needs to
+// listen to receive Events.
+func (c *EtcdClient) Watch(ctx context.Context, key string, withPrefix bool) chan *Event {
+	var err error
+	// Reuse the Etcd client when multiple callees are watching the same key.
+	c.watchedClientsLock.Lock()
+	client, exist := c.watchedClients[key]
+	if !exist {
+		client, err = c.pool.Get(ctx)
+		if err != nil {
+			logger.Errorw(ctx, "failed-to-an-etcd-client", log.Fields{"key": key, "error": err})
+			c.watchedClientsLock.Unlock()
+			return nil
+		}
+		c.watchedClients[key] = client
+	}
+	c.watchedClientsLock.Unlock()
+
+	w := v3Client.NewWatcher(client)
+	ctx, cancel := context.WithCancel(ctx)
+	var channel v3Client.WatchChan
+	if withPrefix {
+		channel = w.Watch(ctx, key, v3Client.WithPrefix())
+	} else {
+		channel = w.Watch(ctx, key)
+	}
+
+	// Create a new channel
+	ch := make(chan *Event, maxClientChannelBufferSize)
+
+	// Keep track of the created channels so they can be closed when required
+	channelMap := make(map[chan *Event]v3Client.Watcher)
+	channelMap[ch] = w
+	channelMaps := c.addChannelMap(key, channelMap)
+
+	// Changing the log field (from channelMaps) as the underlying logger cannot format the map of channels into a
+	// json format.
+	logger.Debugw(ctx, "watched-channels", log.Fields{"len": len(channelMaps)})
+	// Launch a go routine to listen for updates
+	go c.listenForKeyChange(ctx, channel, ch, cancel)
+
+	return ch
+
+}
+
+func (c *EtcdClient) addChannelMap(key string, channelMap map[chan *Event]v3Client.Watcher) []map[chan *Event]v3Client.Watcher {
+	var channels interface{}
+	var exists bool
+
+	if channels, exists = c.watchedChannels.Load(key); exists {
+		channels = append(channels.([]map[chan *Event]v3Client.Watcher), channelMap)
+	} else {
+		channels = []map[chan *Event]v3Client.Watcher{channelMap}
+	}
+	c.watchedChannels.Store(key, channels)
+
+	return channels.([]map[chan *Event]v3Client.Watcher)
+}
+
+func (c *EtcdClient) removeChannelMap(key string, pos int) []map[chan *Event]v3Client.Watcher {
+	var channels interface{}
+	var exists bool
+
+	if channels, exists = c.watchedChannels.Load(key); exists {
+		channels = append(channels.([]map[chan *Event]v3Client.Watcher)[:pos], channels.([]map[chan *Event]v3Client.Watcher)[pos+1:]...)
+		c.watchedChannels.Store(key, channels)
+	}
+
+	return channels.([]map[chan *Event]v3Client.Watcher)
+}
+
+func (c *EtcdClient) getChannelMaps(key string) ([]map[chan *Event]v3Client.Watcher, bool) {
+	var channels interface{}
+	var exists bool
+
+	channels, exists = c.watchedChannels.Load(key)
+
+	if channels == nil {
+		return nil, exists
+	}
+
+	return channels.([]map[chan *Event]v3Client.Watcher), exists
+}
+
+// CloseWatch closes a specific watch. Both the key and the channel are required when closing a watch as there
+// may be multiple listeners on the same key.  The previously created channel serves as a key
+func (c *EtcdClient) CloseWatch(ctx context.Context, key string, ch chan *Event) {
+	// Get the array of channels mapping
+	var watchedChannels []map[chan *Event]v3Client.Watcher
+	var ok bool
+
+	if watchedChannels, ok = c.getChannelMaps(key); !ok {
+		logger.Warnw(ctx, "key-has-no-watched-channels", log.Fields{"key": key})
+		return
+	}
+	// Look for the channels
+	var pos = -1
+	for i, chMap := range watchedChannels {
+		if t, ok := chMap[ch]; ok {
+			logger.Debug(ctx, "channel-found")
+			// Close the etcd watcher before the client channel.  This should close the etcd channel as well
+			if err := t.Close(); err != nil {
+				logger.Errorw(ctx, "watcher-cannot-be-closed", log.Fields{"key": key, "error": err})
+			}
+			pos = i
+			break
+		}
+	}
+
+	channelMaps, _ := c.getChannelMaps(key)
+	// Remove that entry if present
+	if pos >= 0 {
+		channelMaps = c.removeChannelMap(key, pos)
+	}
+
+	// If we don't have any keys being watched then return the Etcd client to the pool
+	if len(channelMaps) == 0 {
+		c.watchedClientsLock.Lock()
+		// Sanity
+		if client, ok := c.watchedClients[key]; ok {
+			c.pool.Put(client)
+			delete(c.watchedClients, key)
+		}
+		c.watchedClientsLock.Unlock()
+	}
+	logger.Infow(ctx, "watcher-channel-exiting", log.Fields{"key": key, "channel": channelMaps})
+}
+
+func (c *EtcdClient) listenForKeyChange(ctx context.Context, channel v3Client.WatchChan, ch chan<- *Event, cancel context.CancelFunc) {
+	logger.Debug(ctx, "start-listening-on-channel ...")
+	defer cancel()
+	defer close(ch)
+	for resp := range channel {
+		for _, ev := range resp.Events {
+			ch <- NewEvent(getEventType(ev), ev.Kv.Key, ev.Kv.Value, ev.Kv.Version)
+		}
+	}
+	logger.Debug(ctx, "stop-listening-on-channel ...")
+}
+
+func getEventType(event *v3Client.Event) int {
+	switch event.Type {
+	case v3Client.EventTypePut:
+		return PUT
+	case v3Client.EventTypeDelete:
+		return DELETE
+	}
+	return UNKNOWN
+}
+
+// Close closes all the connection in the pool store client
+func (c *EtcdClient) Close(ctx context.Context) {
+	logger.Debug(ctx, "closing-etcd-pool")
+	c.pool.Close(ctx)
+}
+
+// The APIs below are not used
+var errUnimplemented = errors.New("deprecated")
+
+// Reserve is deprecated
+func (c *EtcdClient) Reserve(ctx context.Context, key string, value interface{}, ttl time.Duration) (interface{}, error) {
+	return nil, errUnimplemented
+}
+
+// ReleaseAllReservations is deprecated
+func (c *EtcdClient) ReleaseAllReservations(ctx context.Context) error {
+	return errUnimplemented
+}
+
+// ReleaseReservation is deprecated
+func (c *EtcdClient) ReleaseReservation(ctx context.Context, key string) error {
+	return errUnimplemented
+}
+
+// RenewReservation is deprecated
+func (c *EtcdClient) RenewReservation(ctx context.Context, key string) error {
+	return errUnimplemented
+}
+
+// AcquireLock is deprecated
+func (c *EtcdClient) AcquireLock(ctx context.Context, lockName string, timeout time.Duration) error {
+	return errUnimplemented
+}
+
+// ReleaseLock is deprecated
+func (c *EtcdClient) ReleaseLock(lockName string) error {
+	return errUnimplemented
+}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/etcdpool.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/etcdpool.go
new file mode 100644
index 0000000..6af7d3d
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/etcdpool.go
@@ -0,0 +1,239 @@
+/*
+ * Copyright 2021-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 kvstore
+
+import (
+	"container/list"
+	"context"
+	"errors"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
+	"go.etcd.io/etcd/clientv3"
+	"sync"
+	"time"
+)
+
+// EtcdClientAllocator represents a generic interface to allocate an Etcd Client
+type EtcdClientAllocator interface {
+	Get(context.Context) (*clientv3.Client, error)
+	Put(*clientv3.Client)
+	Close(ctx context.Context)
+}
+
+// NewRoundRobinEtcdClientAllocator creates a new ETCD Client Allocator using a Round Robin scheme
+func NewRoundRobinEtcdClientAllocator(endpoints []string, timeout time.Duration, capacity, maxUsage int, level log.LogLevel) (EtcdClientAllocator, error) {
+	return &roundRobin{
+		all:       make(map[*clientv3.Client]*rrEntry),
+		full:      make(map[*clientv3.Client]*rrEntry),
+		waitList:  list.New(),
+		max:       maxUsage,
+		capacity:  capacity,
+		timeout:   timeout,
+		endpoints: endpoints,
+		logLevel:  level,
+		closingCh: make(chan struct{}, capacity*maxUsage),
+		stopCh:    make(chan struct{}),
+	}, nil
+}
+
+type rrEntry struct {
+	client *clientv3.Client
+	count  int
+	age    time.Time
+}
+
+type roundRobin struct {
+	//block chan struct{}
+	sync.Mutex
+	available []*rrEntry
+	all       map[*clientv3.Client]*rrEntry
+	full      map[*clientv3.Client]*rrEntry
+	waitList  *list.List
+	max       int
+	capacity  int
+	timeout   time.Duration
+	//ageOut    time.Duration
+	endpoints []string
+	size      int
+	logLevel  log.LogLevel
+	closing   bool
+	closingCh chan struct{}
+	stopCh    chan struct{}
+}
+
+// Get returns an Etcd client. If not is available, it will create one
+// until the maximum allowed capacity.  If maximum capacity has been
+// reached then it will wait until s used one is freed.
+func (r *roundRobin) Get(ctx context.Context) (*clientv3.Client, error) {
+	r.Lock()
+
+	if r.closing {
+		r.Unlock()
+		return nil, errors.New("pool-is-closing")
+	}
+
+	// first determine if we need to block, which would mean the
+	// available queue is empty and we are at capacity
+	if len(r.available) == 0 && r.size >= r.capacity {
+
+		// create a channel on which to wait and
+		// add it to the list
+		ch := make(chan struct{})
+		element := r.waitList.PushBack(ch)
+		r.Unlock()
+
+		// block until it is our turn or context
+		// expires or is canceled
+		select {
+		case <-r.stopCh:
+			logger.Info(ctx, "stop-waiting-pool-is-closing")
+			r.waitList.Remove(element)
+			return nil, errors.New("stop-waiting-pool-is-closing")
+		case <-ch:
+			r.waitList.Remove(element)
+		case <-ctx.Done():
+			r.waitList.Remove(element)
+			return nil, ctx.Err()
+		}
+		r.Lock()
+	}
+
+	defer r.Unlock()
+	if len(r.available) > 0 {
+		// pull off back end as it is operationally quicker
+		last := len(r.available) - 1
+		entry := r.available[last]
+		entry.count++
+		if entry.count >= r.max {
+			r.available = r.available[:last]
+			r.full[entry.client] = entry
+		}
+		entry.age = time.Now()
+		return entry.client, nil
+	}
+
+	logConfig := log.ConstructZapConfig(log.JSON, r.logLevel, log.Fields{})
+	// increase capacity
+	client, err := clientv3.New(clientv3.Config{
+		Endpoints:   r.endpoints,
+		DialTimeout: r.timeout,
+		LogConfig:   &logConfig,
+	})
+	if err != nil {
+		return nil, err
+	}
+	entry := &rrEntry{
+		client: client,
+		count:  1,
+	}
+	r.all[entry.client] = entry
+
+	if r.max > 1 {
+		r.available = append(r.available, entry)
+	} else {
+		r.full[entry.client] = entry
+	}
+	r.size++
+	return client, nil
+}
+
+// Put returns the Etcd Client back to the pool
+func (r *roundRobin) Put(client *clientv3.Client) {
+	r.Lock()
+
+	entry := r.all[client]
+	entry.count--
+
+	if r.closing {
+		// Close client if count is 0
+		if entry.count == 0 {
+			if err := entry.client.Close(); err != nil {
+				logger.Warnw(context.Background(), "error-closing-client", log.Fields{"error": err})
+			}
+			delete(r.all, entry.client)
+		}
+		// Notify Close function that a client was returned to the pool
+		r.closingCh <- struct{}{}
+		r.Unlock()
+		return
+	}
+
+	// This entry is now available for use, so
+	// if in full map add it to available and
+	// remove from full
+	if _, ok := r.full[client]; ok {
+		r.available = append(r.available, entry)
+		delete(r.full, client)
+	}
+
+	front := r.waitList.Front()
+	if front != nil {
+		ch := r.waitList.Remove(front)
+		r.Unlock()
+		// need to unblock if someone is waiting
+		ch.(chan struct{}) <- struct{}{}
+		return
+	}
+	r.Unlock()
+}
+
+func (r *roundRobin) Close(ctx context.Context) {
+	r.Lock()
+	r.closing = true
+
+	// Notify anyone waiting for a client to stop waiting
+	close(r.stopCh)
+
+	// Clean-up unused clients
+	for i := 0; i < len(r.available); i++ {
+		// Count 0 means no one is using that client
+		if r.available[i].count == 0 {
+			if err := r.available[i].client.Close(); err != nil {
+				logger.Warnw(ctx, "failure-closing-client", log.Fields{"client": r.available[i].client, "error": err})
+			}
+			// Remove client for all list
+			delete(r.all, r.available[i].client)
+		}
+	}
+
+	// Figure out how many clients are in use
+	numberInUse := 0
+	for _, rrEntry := range r.all {
+		numberInUse += rrEntry.count
+	}
+	r.Unlock()
+
+	if numberInUse == 0 {
+		logger.Info(ctx, "no-connection-in-use")
+		return
+	}
+
+	logger.Infow(ctx, "waiting-for-clients-return", log.Fields{"count": numberInUse})
+
+	// Wait for notifications when a client is returned to the pool
+	for {
+		select {
+		case <-r.closingCh:
+			numberInUse--
+			if numberInUse == 0 {
+				logger.Info(ctx, "all-connections-closed")
+				return
+			}
+		case <-ctx.Done():
+			logger.Warnw(ctx, "context-done", log.Fields{"error": ctx.Err()})
+			return
+		}
+	}
+}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/kvutils.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/kvutils.go
similarity index 65%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/kvutils.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/kvutils.go
index 70bd977..ca57542 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore/kvutils.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore/kvutils.go
@@ -16,8 +16,18 @@
 package kvstore
 
 import (
-	"bytes"
+	"context"
 	"fmt"
+	"math"
+	"math/rand"
+	"time"
+)
+
+const (
+	minRetryInterval  = 100
+	maxRetryInterval  = 5000
+	incrementalFactor = 1.2
+	jitter            = 0.2
 )
 
 // ToString converts an interface value to a string.  The interface should either be of
@@ -46,13 +56,23 @@
 	}
 }
 
-// Helper function to verify mostly whether the content of two interface types are the same.  Focus is []byte and
-// string types
-func isEqual(val1 interface{}, val2 interface{}) bool {
-	b1, err := ToByte(val1)
-	b2, er := ToByte(val2)
-	if err == nil && er == nil {
-		return bytes.Equal(b1, b2)
+// backoff waits an amount of time that is proportional to the attempt value.  The wait time in a range of
+// minRetryInterval and maxRetryInterval.
+func backoff(ctx context.Context, attempt int) error {
+	if attempt == 0 {
+		return nil
 	}
-	return val1 == val2
+	backoff := int(minRetryInterval + incrementalFactor*math.Exp(float64(attempt)))
+	backoff *= 1 + int(jitter*(rand.Float64()*2-1))
+	if backoff > maxRetryInterval {
+		backoff = maxRetryInterval
+	}
+	ticker := time.NewTicker(time.Duration(backoff) * time.Millisecond)
+	defer ticker.Stop()
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-ticker.C:
+	}
+	return nil
 }
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/common.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/log/common.go
similarity index 100%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/common.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/log/common.go
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/log.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/log/log.go
similarity index 100%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/log.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/log/log.go
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/utils.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/log/utils.go
similarity index 100%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/log/utils.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/log/utils.go
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/probe/common.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/probe/common.go
similarity index 94%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/probe/common.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/probe/common.go
index d9739af..119d78e 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/probe/common.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/probe/common.go
@@ -16,7 +16,7 @@
 package probe
 
 import (
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 )
 
 var logger log.CLogger
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/probe/probe.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/probe/probe.go
similarity index 99%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/probe/probe.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/probe/probe.go
index f13f257..b66f398 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/probe/probe.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/probe/probe.go
@@ -18,7 +18,7 @@
 import (
 	"context"
 	"fmt"
-	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-lib-go/v5/pkg/log"
 	"net/http"
 	"sync"
 )
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/version/version.go b/vendor/github.com/opencord/voltha-lib-go/v5/pkg/version/version.go
similarity index 100%
rename from vendor/github.com/opencord/voltha-lib-go/v4/pkg/version/version.go
rename to vendor/github.com/opencord/voltha-lib-go/v5/pkg/version/version.go
diff --git a/vendor/github.com/opencord/voltha-protos/v4/go/common/common.pb.go b/vendor/github.com/opencord/voltha-protos/v4/go/common/common.pb.go
index a370497..b57e775 100644
--- a/vendor/github.com/opencord/voltha-protos/v4/go/common/common.pb.go
+++ b/vendor/github.com/opencord/voltha-protos/v4/go/common/common.pb.go
@@ -101,6 +101,8 @@
 	OperStatus_FAILED OperStatus_Types = 5
 	// The device is reconciling
 	OperStatus_RECONCILING OperStatus_Types = 6
+	// The device is in reconciling failed
+	OperStatus_RECONCILING_FAILED OperStatus_Types = 7
 )
 
 var OperStatus_Types_name = map[int32]string{
@@ -111,16 +113,18 @@
 	4: "ACTIVE",
 	5: "FAILED",
 	6: "RECONCILING",
+	7: "RECONCILING_FAILED",
 }
 
 var OperStatus_Types_value = map[string]int32{
-	"UNKNOWN":     0,
-	"DISCOVERED":  1,
-	"ACTIVATING":  2,
-	"TESTING":     3,
-	"ACTIVE":      4,
-	"FAILED":      5,
-	"RECONCILING": 6,
+	"UNKNOWN":            0,
+	"DISCOVERED":         1,
+	"ACTIVATING":         2,
+	"TESTING":            3,
+	"ACTIVE":             4,
+	"FAILED":             5,
+	"RECONCILING":        6,
+	"RECONCILING_FAILED": 7,
 }
 
 func (x OperStatus_Types) String() string {
@@ -603,44 +607,45 @@
 func init() { proto.RegisterFile("voltha_protos/common.proto", fileDescriptor_c2e3fd231961e826) }
 
 var fileDescriptor_c2e3fd231961e826 = []byte{
-	// 619 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x53, 0x5f, 0x4f, 0xdb, 0x3e,
-	0x14, 0x6d, 0x9b, 0xb6, 0x3f, 0x7a, 0x4b, 0x43, 0x7e, 0x06, 0xa6, 0x0e, 0x4d, 0x5a, 0x95, 0x17,
-	0xd8, 0xc4, 0x5a, 0x89, 0xf1, 0xba, 0x87, 0x90, 0x78, 0x9d, 0x05, 0x38, 0x91, 0x93, 0x14, 0x8d,
-	0x97, 0x2a, 0x34, 0x06, 0x32, 0xd1, 0x38, 0x4a, 0x5c, 0x34, 0xbe, 0xf6, 0x3e, 0xc1, 0x64, 0xa7,
-	0xfc, 0x9b, 0x78, 0x49, 0x7c, 0xee, 0x39, 0xb9, 0x47, 0xe7, 0x3a, 0x17, 0xf6, 0xee, 0xc5, 0x9d,
-	0xbc, 0x4d, 0xe6, 0x45, 0x29, 0xa4, 0xa8, 0x26, 0x0b, 0xb1, 0x5c, 0x8a, 0x7c, 0xac, 0x11, 0xea,
-	0xd6, 0xc8, 0xde, 0x81, 0x16, 0xf1, 0x90, 0x09, 0xad, 0x2c, 0x1d, 0x36, 0x47, 0xcd, 0x83, 0x1e,
-	0x6b, 0x65, 0xa9, 0xbd, 0x0f, 0x06, 0xf1, 0x2a, 0x34, 0x82, 0x4e, 0x26, 0xf9, 0xb2, 0x1a, 0x36,
-	0x47, 0xc6, 0x41, 0xff, 0x08, 0xc6, 0xeb, 0x16, 0xc4, 0x63, 0x35, 0x61, 0xdf, 0x02, 0x38, 0xe9,
-	0x32, 0xcb, 0x43, 0x99, 0x48, 0x6e, 0x5f, 0x42, 0x27, 0x7a, 0x28, 0x78, 0x85, 0xfa, 0xf0, 0x5f,
-	0x4c, 0x4f, 0xa9, 0x7f, 0x41, 0xad, 0x06, 0x42, 0x60, 0x06, 0x0c, 0x07, 0xcc, 0x9f, 0x91, 0x90,
-	0xf8, 0x14, 0x7b, 0x56, 0x53, 0x09, 0x30, 0x75, 0x4e, 0xce, 0xb0, 0x67, 0xb5, 0xd0, 0x26, 0x6c,
-	0x78, 0x24, 0xac, 0x91, 0x81, 0x76, 0xe1, 0x7f, 0xcf, 0xbf, 0xa0, 0x67, 0xbe, 0xe3, 0x11, 0x3a,
-	0x9d, 0x93, 0x73, 0x67, 0x8a, 0xad, 0xb6, 0xfd, 0x1b, 0xc0, 0x2f, 0x78, 0xa9, 0x8c, 0x56, 0x95,
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-	0x4d, 0x62, 0xab, 0xad, 0xce, 0xdf, 0x1d, 0xa2, 0xfc, 0x3b, 0x68, 0x0b, 0xfa, 0x0c, 0xbb, 0x3e,
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-	0x9b, 0xe6, 0x5b, 0xd0, 0x8f, 0x29, 0xc3, 0x8e, 0xfb, 0x43, 0x25, 0xb1, 0x9a, 0x68, 0x00, 0xbd,
-	0x67, 0xd8, 0xb2, 0xff, 0x34, 0x61, 0xa0, 0x12, 0x24, 0x32, 0x13, 0x39, 0xe3, 0x55, 0x81, 0xbe,
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-	0x00, 0xff, 0xff, 0x4d, 0x6f, 0x2b, 0x79, 0xe4, 0x03, 0x00, 0x00,
+	// 634 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x53, 0x5d, 0x4f, 0xe3, 0x3a,
+	0x10, 0x6d, 0xfa, 0x05, 0x9d, 0xd2, 0x90, 0x6b, 0x3e, 0xd4, 0x8b, 0xae, 0x74, 0xab, 0xbc, 0xc0,
+	0xbd, 0x62, 0x5b, 0x89, 0xe5, 0x75, 0x1f, 0x42, 0xe2, 0xed, 0x5a, 0x80, 0x53, 0x39, 0x49, 0xd1,
+	0xf2, 0x12, 0x85, 0xc6, 0x40, 0x24, 0x1a, 0x47, 0x89, 0x8b, 0xc4, 0xeb, 0xfe, 0x83, 0xfd, 0xab,
+	0xfb, 0x0b, 0x56, 0x76, 0xca, 0xd7, 0x8a, 0x97, 0xd6, 0x67, 0xce, 0xc9, 0x8c, 0xcf, 0x8c, 0x07,
+	0x0e, 0x1e, 0xc5, 0x83, 0xbc, 0x4f, 0xe2, 0xa2, 0x14, 0x52, 0x54, 0x93, 0x85, 0x58, 0x2e, 0x45,
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+	0x52, 0xdb, 0xd0, 0x8f, 0x28, 0xc3, 0x8e, 0xfb, 0x4d, 0x79, 0xb4, 0x0c, 0x34, 0x80, 0xde, 0x2b,
+	0x6c, 0xda, 0xbf, 0x0c, 0x18, 0x28, 0x6b, 0x89, 0xcc, 0x44, 0xce, 0x78, 0x55, 0xa0, 0x2f, 0xd0,
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+	0x38, 0xcb, 0x6f, 0xc5, 0xb0, 0xa9, 0x67, 0x6b, 0xbe, 0x86, 0x49, 0x7e, 0x2b, 0xec, 0x27, 0xd8,
+	0xf9, 0x20, 0x8b, 0x1a, 0x81, 0x3f, 0xc3, 0xcc, 0x09, 0x89, 0x4f, 0xe3, 0x20, 0x72, 0x5d, 0x1c,
+	0x04, 0x56, 0xe3, 0x7d, 0x58, 0x35, 0x21, 0x62, 0xca, 0xcd, 0xdf, 0xb0, 0xf7, 0x1a, 0x8e, 0x68,
+	0x10, 0xcd, 0x66, 0x3e, 0x0b, 0xf5, 0x64, 0xdf, 0x51, 0x84, 0xc6, 0x33, 0xe6, 0x4f, 0x99, 0x4a,
+	0xd6, 0xb2, 0x8f, 0xa1, 0x37, 0x4f, 0x1e, 0x56, 0x5c, 0xf5, 0xcb, 0xfe, 0x17, 0xda, 0xea, 0x1f,
+	0xf5, 0xa0, 0x83, 0x2f, 0x67, 0xe1, 0x77, 0xab, 0xb1, 0x7e, 0x14, 0xa1, 0x43, 0x5d, 0x6c, 0x19,
+	0x36, 0x05, 0x53, 0xab, 0x83, 0x82, 0x2f, 0xb2, 0xdb, 0x8c, 0x97, 0x7f, 0x3e, 0x59, 0x74, 0x0c,
+	0x9d, 0x47, 0xa5, 0xd0, 0x4e, 0xcd, 0x93, 0xfd, 0xe7, 0x9e, 0xbd, 0x14, 0x19, 0xab, 0x1f, 0x56,
+	0x8b, 0x6c, 0x09, 0x5b, 0xb5, 0x5f, 0x4d, 0x57, 0xc8, 0x82, 0x56, 0xc0, 0xa5, 0x4e, 0x37, 0x60,
+	0xea, 0x88, 0x46, 0xd0, 0x8f, 0xf2, 0x6a, 0x55, 0x14, 0xa2, 0x94, 0x3c, 0xd5, 0x59, 0x07, 0xec,
+	0x6d, 0x08, 0xed, 0x42, 0x07, 0x97, 0xa5, 0x28, 0x87, 0x2d, 0xcd, 0xd5, 0x00, 0x1d, 0xc0, 0xa6,
+	0x97, 0x55, 0x32, 0xc9, 0x17, 0x7c, 0xd8, 0xd6, 0xc4, 0x0b, 0xfe, 0xff, 0x1f, 0xd8, 0x0a, 0x79,
+	0x25, 0x2f, 0x45, 0xca, 0xcf, 0xf9, 0x53, 0xa5, 0x3c, 0x26, 0x45, 0x16, 0x4b, 0x5e, 0x49, 0xab,
+	0x71, 0x86, 0x61, 0x47, 0x94, 0x77, 0x63, 0x51, 0xf0, 0x7c, 0x21, 0xca, 0x74, 0x5c, 0x6f, 0xef,
+	0xf5, 0xf8, 0x2e, 0x93, 0xf7, 0xab, 0x1b, 0xe5, 0x67, 0xf2, 0xcc, 0x4d, 0x6a, 0xee, 0xd3, 0x7a,
+	0xb3, 0x1f, 0x4f, 0x27, 0x77, 0x62, 0xbd, 0xdf, 0x37, 0x5d, 0x1d, 0xfc, 0xfc, 0x3b, 0x00, 0x00,
+	0xff, 0xff, 0x29, 0xd3, 0x39, 0x3c, 0xfe, 0x03, 0x00, 0x00,
 }
diff --git a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/core.pb.go b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/core.pb.go
index 4c92095..64d42d0 100644
--- a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/core.pb.go
+++ b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/core.pb.go
@@ -37,6 +37,8 @@
 	DeviceTransientState_DELETING_POST_ADAPTER_RESPONSE DeviceTransientState_Types = 4
 	// State to represent that the device deletion is failed
 	DeviceTransientState_DELETE_FAILED DeviceTransientState_Types = 5
+	// State to represent that reconcile is in progress
+	DeviceTransientState_RECONCILE_IN_PROGRESS DeviceTransientState_Types = 6
 )
 
 var DeviceTransientState_Types_name = map[int32]string{
@@ -46,6 +48,7 @@
 	3: "DELETING_FROM_ADAPTER",
 	4: "DELETING_POST_ADAPTER_RESPONSE",
 	5: "DELETE_FAILED",
+	6: "RECONCILE_IN_PROGRESS",
 }
 
 var DeviceTransientState_Types_value = map[string]int32{
@@ -55,6 +58,7 @@
 	"DELETING_FROM_ADAPTER":          3,
 	"DELETING_POST_ADAPTER_RESPONSE": 4,
 	"DELETE_FAILED":                  5,
+	"RECONCILE_IN_PROGRESS":          6,
 }
 
 func (x DeviceTransientState_Types) String() string {
@@ -112,22 +116,23 @@
 func init() { proto.RegisterFile("voltha_protos/core.proto", fileDescriptor_39634f15fb8a505e) }
 
 var fileDescriptor_39634f15fb8a505e = []byte{
-	// 264 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0x4d, 0x4b, 0xc4, 0x30,
-	0x10, 0x86, 0xad, 0xfb, 0xa1, 0x0c, 0x58, 0x63, 0x54, 0x58, 0x2f, 0x22, 0x3d, 0x79, 0x31, 0x05,
-	0xf5, 0x0f, 0x54, 0x3b, 0x95, 0xc5, 0xb5, 0x2d, 0x6d, 0x2e, 0x7a, 0x09, 0xdd, 0x1a, 0xba, 0x05,
-	0x6d, 0x4a, 0x1a, 0x0b, 0xde, 0xfc, 0xb5, 0xfe, 0x0e, 0xb1, 0x1f, 0x82, 0xb0, 0xb7, 0x99, 0xe7,
-	0x99, 0xf7, 0x30, 0x2f, 0x2c, 0x5a, 0xf5, 0x66, 0x36, 0x99, 0xa8, 0xb5, 0x32, 0xaa, 0x71, 0x73,
-	0xa5, 0x25, 0xeb, 0x66, 0x3a, 0xef, 0x8d, 0xf3, 0x6d, 0xc1, 0x89, 0x2f, 0xdb, 0x32, 0x97, 0x5c,
-	0x67, 0x55, 0x53, 0xca, 0xca, 0xa4, 0x26, 0x33, 0x92, 0x3e, 0xc2, 0xa1, 0x19, 0x89, 0x68, 0x7e,
-	0xd1, 0xc2, 0xba, 0xb0, 0x2e, 0xed, 0x6b, 0x87, 0xf5, 0x51, 0xb6, 0x2d, 0xc6, 0xf8, 0x67, 0x2d,
-	0x9b, 0xc4, 0x36, 0xff, 0xa8, 0xf3, 0x65, 0xc1, 0xac, 0x33, 0x74, 0x1f, 0xa6, 0x61, 0x14, 0x22,
-	0xd9, 0xa1, 0x7b, 0x30, 0xf1, 0xc2, 0x67, 0x62, 0x51, 0x0a, 0x76, 0x10, 0x25, 0xf7, 0x28, 0x7c,
-	0x5c, 0x21, 0x5f, 0x86, 0x0f, 0x64, 0x97, 0x9e, 0xc1, 0xe9, 0xb8, 0x89, 0x20, 0x89, 0x9e, 0x84,
-	0xe7, 0x7b, 0x31, 0xc7, 0x84, 0x4c, 0xa8, 0x03, 0xe7, 0x7f, 0x2a, 0x8e, 0x52, 0x3e, 0x2a, 0x91,
-	0x60, 0x1a, 0x47, 0x61, 0x8a, 0x64, 0x4a, 0x8f, 0xe0, 0xa0, 0xbb, 0x41, 0x11, 0x78, 0xcb, 0x15,
-	0xfa, 0x64, 0x76, 0x87, 0x70, 0xac, 0x74, 0xc1, 0x54, 0x2d, 0xab, 0x5c, 0xe9, 0xd7, 0xe1, 0x89,
-	0x17, 0x56, 0x94, 0x66, 0xf3, 0xb1, 0x66, 0xb9, 0x7a, 0x77, 0x47, 0xe7, 0xf6, 0xee, 0x6a, 0x68,
-	0xad, 0xbd, 0x75, 0x0b, 0x35, 0xb0, 0xf5, 0xbc, 0x83, 0x37, 0x3f, 0x01, 0x00, 0x00, 0xff, 0xff,
-	0xe3, 0x06, 0xbc, 0xa1, 0x5a, 0x01, 0x00, 0x00,
+	// 284 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0x4d, 0x4b, 0xf4, 0x30,
+	0x10, 0xc7, 0x9f, 0xee, 0xdb, 0x23, 0x01, 0xd7, 0x18, 0x15, 0xd6, 0x8b, 0x48, 0x4f, 0x5e, 0x4c,
+	0x41, 0xfd, 0x02, 0x75, 0x3b, 0xbb, 0x14, 0xd7, 0xa4, 0x24, 0xbd, 0xe8, 0x25, 0x74, 0x6b, 0xe8,
+	0x16, 0xb4, 0x29, 0x6d, 0x2c, 0x78, 0xf4, 0x73, 0xf8, 0x65, 0x65, 0xfb, 0x22, 0x08, 0xde, 0x66,
+	0x7e, 0xbf, 0xf9, 0x0f, 0xcc, 0xa0, 0x45, 0x63, 0x5e, 0xed, 0x2e, 0x51, 0x65, 0x65, 0xac, 0xa9,
+	0xbd, 0xd4, 0x54, 0x9a, 0xb6, 0x35, 0x99, 0x75, 0xc6, 0xfd, 0x1c, 0xa1, 0xd3, 0x40, 0x37, 0x79,
+	0xaa, 0xe3, 0x2a, 0x29, 0xea, 0x5c, 0x17, 0x56, 0xda, 0xc4, 0x6a, 0xf2, 0x80, 0x8e, 0xec, 0x40,
+	0x54, 0xbd, 0x47, 0x0b, 0xe7, 0xd2, 0xb9, 0x9a, 0xdf, 0xb8, 0xb4, 0x8b, 0xd2, 0xbf, 0x62, 0x34,
+	0xfe, 0x28, 0x75, 0x2d, 0xe6, 0xf6, 0x17, 0x75, 0xbf, 0x1c, 0x34, 0x6d, 0x0d, 0x39, 0x40, 0x13,
+	0xc6, 0x19, 0xe0, 0x7f, 0xe4, 0x3f, 0x1a, 0xfb, 0xec, 0x09, 0x3b, 0x84, 0xa0, 0xf9, 0x8a, 0x8b,
+	0x25, 0xa8, 0x00, 0x36, 0x10, 0x87, 0x6c, 0x8d, 0x47, 0xe4, 0x1c, 0x9d, 0x0d, 0x9d, 0x5a, 0x09,
+	0xfe, 0xa8, 0xfc, 0xc0, 0x8f, 0x62, 0x10, 0x78, 0x4c, 0x5c, 0x74, 0xf1, 0xa3, 0x22, 0x2e, 0xe3,
+	0x41, 0x29, 0x01, 0x32, 0xe2, 0x4c, 0x02, 0x9e, 0x90, 0x63, 0x74, 0xd8, 0xce, 0x80, 0x5a, 0xf9,
+	0xe1, 0x06, 0x02, 0x3c, 0xdd, 0x6f, 0x14, 0xb0, 0xe4, 0x6c, 0x19, 0x6e, 0x40, 0x85, 0x4c, 0x45,
+	0x82, 0xaf, 0x05, 0x48, 0x89, 0x67, 0xf7, 0x80, 0x4e, 0x4c, 0x95, 0x51, 0x53, 0xea, 0x22, 0x35,
+	0xd5, 0x4b, 0x7f, 0xdf, 0x33, 0xcd, 0x72, 0xbb, 0x7b, 0xdf, 0xd2, 0xd4, 0xbc, 0x79, 0x83, 0xf3,
+	0x3a, 0x77, 0xdd, 0x3f, 0xb4, 0xb9, 0xf3, 0x32, 0xd3, 0xb3, 0xed, 0xac, 0x85, 0xb7, 0xdf, 0x01,
+	0x00, 0x00, 0xff, 0xff, 0x1a, 0x0c, 0x99, 0x87, 0x75, 0x01, 0x00, 0x00,
 }
diff --git a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/device.pb.go b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/device.pb.go
index 2499fd1..957af8f 100644
--- a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/device.pb.go
+++ b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/device.pb.go
@@ -91,7 +91,7 @@
 }
 
 func (ImageDownload_ImageDownloadState) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{7, 0}
+	return fileDescriptor_200940f73d155856, []int{6, 0}
 }
 
 type ImageDownload_ImageDownloadFailureReason int32
@@ -128,7 +128,7 @@
 }
 
 func (ImageDownload_ImageDownloadFailureReason) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{7, 1}
+	return fileDescriptor_200940f73d155856, []int{6, 1}
 }
 
 type ImageDownload_ImageActivateState int32
@@ -165,7 +165,151 @@
 }
 
 func (ImageDownload_ImageActivateState) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{7, 2}
+	return fileDescriptor_200940f73d155856, []int{6, 2}
+}
+
+type ImageState_ImageDownloadState int32
+
+const (
+	ImageState_DOWNLOAD_UNKNOWN     ImageState_ImageDownloadState = 0
+	ImageState_DOWNLOAD_SUCCEEDED   ImageState_ImageDownloadState = 1
+	ImageState_DOWNLOAD_REQUESTED   ImageState_ImageDownloadState = 2
+	ImageState_DOWNLOAD_STARTED     ImageState_ImageDownloadState = 3
+	ImageState_DOWNLOAD_FAILED      ImageState_ImageDownloadState = 4
+	ImageState_DOWNLOAD_UNSUPPORTED ImageState_ImageDownloadState = 5
+	ImageState_DOWNLOAD_CANCELLING  ImageState_ImageDownloadState = 6
+	ImageState_DOWNLOAD_CANCELLED   ImageState_ImageDownloadState = 7
+)
+
+var ImageState_ImageDownloadState_name = map[int32]string{
+	0: "DOWNLOAD_UNKNOWN",
+	1: "DOWNLOAD_SUCCEEDED",
+	2: "DOWNLOAD_REQUESTED",
+	3: "DOWNLOAD_STARTED",
+	4: "DOWNLOAD_FAILED",
+	5: "DOWNLOAD_UNSUPPORTED",
+	6: "DOWNLOAD_CANCELLING",
+	7: "DOWNLOAD_CANCELLED",
+}
+
+var ImageState_ImageDownloadState_value = map[string]int32{
+	"DOWNLOAD_UNKNOWN":     0,
+	"DOWNLOAD_SUCCEEDED":   1,
+	"DOWNLOAD_REQUESTED":   2,
+	"DOWNLOAD_STARTED":     3,
+	"DOWNLOAD_FAILED":      4,
+	"DOWNLOAD_UNSUPPORTED": 5,
+	"DOWNLOAD_CANCELLING":  6,
+	"DOWNLOAD_CANCELLED":   7,
+}
+
+func (x ImageState_ImageDownloadState) String() string {
+	return proto.EnumName(ImageState_ImageDownloadState_name, int32(x))
+}
+
+func (ImageState_ImageDownloadState) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{12, 0}
+}
+
+type ImageState_ImageFailureReason int32
+
+const (
+	ImageState_NO_ERROR               ImageState_ImageFailureReason = 0
+	ImageState_INVALID_URL            ImageState_ImageFailureReason = 1
+	ImageState_DEVICE_BUSY            ImageState_ImageFailureReason = 2
+	ImageState_INSUFFICIENT_SPACE     ImageState_ImageFailureReason = 3
+	ImageState_UNKNOWN_ERROR          ImageState_ImageFailureReason = 4
+	ImageState_CANCELLED_ON_REQUEST   ImageState_ImageFailureReason = 5
+	ImageState_CANCELLED_ON_ONU_STATE ImageState_ImageFailureReason = 6
+	ImageState_VENDOR_DEVICE_MISMATCH ImageState_ImageFailureReason = 7
+	ImageState_OMCI_TRANSFER_ERROR    ImageState_ImageFailureReason = 8
+	ImageState_IMAGE_REFUSED_BY_ONU   ImageState_ImageFailureReason = 9
+)
+
+var ImageState_ImageFailureReason_name = map[int32]string{
+	0: "NO_ERROR",
+	1: "INVALID_URL",
+	2: "DEVICE_BUSY",
+	3: "INSUFFICIENT_SPACE",
+	4: "UNKNOWN_ERROR",
+	5: "CANCELLED_ON_REQUEST",
+	6: "CANCELLED_ON_ONU_STATE",
+	7: "VENDOR_DEVICE_MISMATCH",
+	8: "OMCI_TRANSFER_ERROR",
+	9: "IMAGE_REFUSED_BY_ONU",
+}
+
+var ImageState_ImageFailureReason_value = map[string]int32{
+	"NO_ERROR":               0,
+	"INVALID_URL":            1,
+	"DEVICE_BUSY":            2,
+	"INSUFFICIENT_SPACE":     3,
+	"UNKNOWN_ERROR":          4,
+	"CANCELLED_ON_REQUEST":   5,
+	"CANCELLED_ON_ONU_STATE": 6,
+	"VENDOR_DEVICE_MISMATCH": 7,
+	"OMCI_TRANSFER_ERROR":    8,
+	"IMAGE_REFUSED_BY_ONU":   9,
+}
+
+func (x ImageState_ImageFailureReason) String() string {
+	return proto.EnumName(ImageState_ImageFailureReason_name, int32(x))
+}
+
+func (ImageState_ImageFailureReason) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{12, 1}
+}
+
+type ImageState_ImageActivationState int32
+
+const (
+	ImageState_IMAGE_UNKNOWN             ImageState_ImageActivationState = 0
+	ImageState_IMAGE_INACTIVE            ImageState_ImageActivationState = 1
+	ImageState_IMAGE_ACTIVATING          ImageState_ImageActivationState = 2
+	ImageState_IMAGE_ACTIVE              ImageState_ImageActivationState = 3
+	ImageState_IMAGE_COMMITTING          ImageState_ImageActivationState = 4
+	ImageState_IMAGE_COMMITTED           ImageState_ImageActivationState = 5
+	ImageState_IMAGE_ACTIVATION_ABORTING ImageState_ImageActivationState = 6
+	ImageState_IMAGE_ACTIVATION_ABORTED  ImageState_ImageActivationState = 7
+	ImageState_IMAGE_COMMIT_ABORTING     ImageState_ImageActivationState = 8
+	ImageState_IMAGE_COMMIT_ABORTED      ImageState_ImageActivationState = 9
+	ImageState_IMAGE_DOWNLOADING         ImageState_ImageActivationState = 10
+)
+
+var ImageState_ImageActivationState_name = map[int32]string{
+	0:  "IMAGE_UNKNOWN",
+	1:  "IMAGE_INACTIVE",
+	2:  "IMAGE_ACTIVATING",
+	3:  "IMAGE_ACTIVE",
+	4:  "IMAGE_COMMITTING",
+	5:  "IMAGE_COMMITTED",
+	6:  "IMAGE_ACTIVATION_ABORTING",
+	7:  "IMAGE_ACTIVATION_ABORTED",
+	8:  "IMAGE_COMMIT_ABORTING",
+	9:  "IMAGE_COMMIT_ABORTED",
+	10: "IMAGE_DOWNLOADING",
+}
+
+var ImageState_ImageActivationState_value = map[string]int32{
+	"IMAGE_UNKNOWN":             0,
+	"IMAGE_INACTIVE":            1,
+	"IMAGE_ACTIVATING":          2,
+	"IMAGE_ACTIVE":              3,
+	"IMAGE_COMMITTING":          4,
+	"IMAGE_COMMITTED":           5,
+	"IMAGE_ACTIVATION_ABORTING": 6,
+	"IMAGE_ACTIVATION_ABORTED":  7,
+	"IMAGE_COMMIT_ABORTING":     8,
+	"IMAGE_COMMIT_ABORTED":      9,
+	"IMAGE_DOWNLOADING":         10,
+}
+
+func (x ImageState_ImageActivationState) String() string {
+	return proto.EnumName(ImageState_ImageActivationState_name, int32(x))
+}
+
+func (ImageState_ImageActivationState) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{12, 2}
 }
 
 type Port_PortType int32
@@ -205,7 +349,7 @@
 }
 
 func (Port_PortType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{9, 0}
+	return fileDescriptor_200940f73d155856, []int{13, 0}
 }
 
 type SimulateAlarmRequest_OperationType int32
@@ -230,7 +374,7 @@
 }
 
 func (SimulateAlarmRequest_OperationType) EnumDescriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{13, 0}
+	return fileDescriptor_200940f73d155856, []int{17, 0}
 }
 
 // A Device Type
@@ -581,26 +725,47 @@
 	return 0
 }
 
-// Describes instance of software image on the device
+//Object representing an image
 type Image struct {
-	Name            string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
-	Version         string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
-	Hash            string `protobuf:"bytes,3,opt,name=hash,proto3" json:"hash,omitempty"`
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	// Version, this is the sole identifier of the image. it's the vendor specified OMCI version
+	// must be known at the time of initiating a download, activate, commit image on an onu.
+	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
+	// hash of the image to be verified against
+	// Deprecated in voltha 2.8, will be removed
+	Hash uint32 `protobuf:"varint,3,opt,name=hash,proto3" json:"hash,omitempty"`
+	// Deprecated in voltha 2.8, will be removed
 	InstallDatetime string `protobuf:"bytes,4,opt,name=install_datetime,json=installDatetime,proto3" json:"install_datetime,omitempty"`
 	// The active software image is one that is currently loaded and executing
 	// in the ONU or circuit pack. Under normal operation, one software image
 	// is always active while the other is inactive. Under no circumstances are
 	// both software images allowed to be active at the same time
+	// Deprecated in voltha 2.8, will be removed
 	IsActive bool `protobuf:"varint,5,opt,name=is_active,json=isActive,proto3" json:"is_active,omitempty"`
 	// The committed software image is loaded and executed upon reboot of the
 	// ONU and/or circuit pack. During normal operation, one software image is
 	// always committed, while the other is uncommitted.
+	// Deprecated in voltha 2.8, will be removed
 	IsCommitted bool `protobuf:"varint,6,opt,name=is_committed,json=isCommitted,proto3" json:"is_committed,omitempty"`
 	// A software image is valid if it has been verified to be an executable
 	// code image. The verification mechanism is not subject to standardization;
 	// however, it should include at least a data integrity (e.g., CRC) check of
 	// the entire code image.
-	IsValid              bool     `protobuf:"varint,7,opt,name=is_valid,json=isValid,proto3" json:"is_valid,omitempty"`
+	// Deprecated in voltha 2.8, will be removed
+	IsValid bool `protobuf:"varint,7,opt,name=is_valid,json=isValid,proto3" json:"is_valid,omitempty"`
+	// URL where the image is available
+	// URL MUST be fully qualified,
+	// including filename, username and password
+	Url string `protobuf:"bytes,8,opt,name=url,proto3" json:"url,omitempty"`
+	// Represents the vendor/device mfr
+	// Needs to match the vendor of the device the image will be installed on
+	// optional, if not matched no check will be performed
+	Vendor string `protobuf:"bytes,9,opt,name=vendor,proto3" json:"vendor,omitempty"`
+	// Represents the ONU Image CRC value.
+	// Default to value 0 if not specified.
+	// If different then 0 it's used to verify the image retrieved from outside before sending it to the ONU.
+	// Calculation of this needs to be done according to ITU-T I.363.5 as per OMCI spec (section A.2.27)
+	Crc32                uint32   `protobuf:"varint,10,opt,name=crc32,proto3" json:"crc32,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -645,11 +810,11 @@
 	return ""
 }
 
-func (m *Image) GetHash() string {
+func (m *Image) GetHash() uint32 {
 	if m != nil {
 		return m.Hash
 	}
-	return ""
+	return 0
 }
 
 func (m *Image) GetInstallDatetime() string {
@@ -680,47 +845,29 @@
 	return false
 }
 
-// List of software on the device
-type Images struct {
-	Image                []*Image `protobuf:"bytes,1,rep,name=image,proto3" json:"image,omitempty"`
-	XXX_NoUnkeyedLiteral struct{} `json:"-"`
-	XXX_unrecognized     []byte   `json:"-"`
-	XXX_sizecache        int32    `json:"-"`
-}
-
-func (m *Images) Reset()         { *m = Images{} }
-func (m *Images) String() string { return proto.CompactTextString(m) }
-func (*Images) ProtoMessage()    {}
-func (*Images) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{6}
-}
-
-func (m *Images) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Images.Unmarshal(m, b)
-}
-func (m *Images) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Images.Marshal(b, m, deterministic)
-}
-func (m *Images) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Images.Merge(m, src)
-}
-func (m *Images) XXX_Size() int {
-	return xxx_messageInfo_Images.Size(m)
-}
-func (m *Images) XXX_DiscardUnknown() {
-	xxx_messageInfo_Images.DiscardUnknown(m)
-}
-
-var xxx_messageInfo_Images proto.InternalMessageInfo
-
-func (m *Images) GetImage() []*Image {
+func (m *Image) GetUrl() string {
 	if m != nil {
-		return m.Image
+		return m.Url
 	}
-	return nil
+	return ""
 }
 
-//TODO: ImageDownload is not actively used (05/19/2020).  When this is tackled, can remove extra/unnecessary fields.
+func (m *Image) GetVendor() string {
+	if m != nil {
+		return m.Vendor
+	}
+	return ""
+}
+
+func (m *Image) GetCrc32() uint32 {
+	if m != nil {
+		return m.Crc32
+	}
+	return 0
+}
+
+// Older version of the API please see DeviceImageDownloadRequest
+// Deprecated in voltha 2.8, will be removed
 type ImageDownload struct {
 	// Device Identifier
 	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
@@ -758,7 +905,7 @@
 func (m *ImageDownload) String() string { return proto.CompactTextString(m) }
 func (*ImageDownload) ProtoMessage()    {}
 func (*ImageDownload) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{7}
+	return fileDescriptor_200940f73d155856, []int{6}
 }
 
 func (m *ImageDownload) XXX_Unmarshal(b []byte) error {
@@ -870,6 +1017,7 @@
 	return 0
 }
 
+// Deprecated in voltha 2.8, will be removed
 type ImageDownloads struct {
 	Items                []*ImageDownload `protobuf:"bytes,2,rep,name=items,proto3" json:"items,omitempty"`
 	XXX_NoUnkeyedLiteral struct{}         `json:"-"`
@@ -881,7 +1029,7 @@
 func (m *ImageDownloads) String() string { return proto.CompactTextString(m) }
 func (*ImageDownloads) ProtoMessage()    {}
 func (*ImageDownloads) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{8}
+	return fileDescriptor_200940f73d155856, []int{7}
 }
 
 func (m *ImageDownloads) XXX_Unmarshal(b []byte) error {
@@ -909,6 +1057,282 @@
 	return nil
 }
 
+type Images struct {
+	Image                []*Image `protobuf:"bytes,1,rep,name=image,proto3" json:"image,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Images) Reset()         { *m = Images{} }
+func (m *Images) String() string { return proto.CompactTextString(m) }
+func (*Images) ProtoMessage()    {}
+func (*Images) Descriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{8}
+}
+
+func (m *Images) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Images.Unmarshal(m, b)
+}
+func (m *Images) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Images.Marshal(b, m, deterministic)
+}
+func (m *Images) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Images.Merge(m, src)
+}
+func (m *Images) XXX_Size() int {
+	return xxx_messageInfo_Images.Size(m)
+}
+func (m *Images) XXX_DiscardUnknown() {
+	xxx_messageInfo_Images.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Images proto.InternalMessageInfo
+
+func (m *Images) GetImage() []*Image {
+	if m != nil {
+		return m.Image
+	}
+	return nil
+}
+
+// OnuImage represents the OMCI information as per OMCI spec
+// the information will be populates exactly as extracted from the device.
+type OnuImage struct {
+	//image version
+	Version     string `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
+	IsCommited  bool   `protobuf:"varint,2,opt,name=isCommited,proto3" json:"isCommited,omitempty"`
+	IsActive    bool   `protobuf:"varint,3,opt,name=isActive,proto3" json:"isActive,omitempty"`
+	IsValid     bool   `protobuf:"varint,4,opt,name=isValid,proto3" json:"isValid,omitempty"`
+	ProductCode string `protobuf:"bytes,5,opt,name=productCode,proto3" json:"productCode,omitempty"`
+	// Hash is computed by the ONU and is optional as per OMCI spec (paragraph 9.1.4)
+	// No assumption should be made on the existence of this attribute at any time.
+	Hash                 string   `protobuf:"bytes,6,opt,name=hash,proto3" json:"hash,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *OnuImage) Reset()         { *m = OnuImage{} }
+func (m *OnuImage) String() string { return proto.CompactTextString(m) }
+func (*OnuImage) ProtoMessage()    {}
+func (*OnuImage) Descriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{9}
+}
+
+func (m *OnuImage) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_OnuImage.Unmarshal(m, b)
+}
+func (m *OnuImage) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_OnuImage.Marshal(b, m, deterministic)
+}
+func (m *OnuImage) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OnuImage.Merge(m, src)
+}
+func (m *OnuImage) XXX_Size() int {
+	return xxx_messageInfo_OnuImage.Size(m)
+}
+func (m *OnuImage) XXX_DiscardUnknown() {
+	xxx_messageInfo_OnuImage.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_OnuImage proto.InternalMessageInfo
+
+func (m *OnuImage) GetVersion() string {
+	if m != nil {
+		return m.Version
+	}
+	return ""
+}
+
+func (m *OnuImage) GetIsCommited() bool {
+	if m != nil {
+		return m.IsCommited
+	}
+	return false
+}
+
+func (m *OnuImage) GetIsActive() bool {
+	if m != nil {
+		return m.IsActive
+	}
+	return false
+}
+
+func (m *OnuImage) GetIsValid() bool {
+	if m != nil {
+		return m.IsValid
+	}
+	return false
+}
+
+func (m *OnuImage) GetProductCode() string {
+	if m != nil {
+		return m.ProductCode
+	}
+	return ""
+}
+
+func (m *OnuImage) GetHash() string {
+	if m != nil {
+		return m.Hash
+	}
+	return ""
+}
+
+type OnuImages struct {
+	Items                []*OnuImage `protobuf:"bytes,1,rep,name=items,proto3" json:"items,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
+	XXX_unrecognized     []byte      `json:"-"`
+	XXX_sizecache        int32       `json:"-"`
+}
+
+func (m *OnuImages) Reset()         { *m = OnuImages{} }
+func (m *OnuImages) String() string { return proto.CompactTextString(m) }
+func (*OnuImages) ProtoMessage()    {}
+func (*OnuImages) Descriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{10}
+}
+
+func (m *OnuImages) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_OnuImages.Unmarshal(m, b)
+}
+func (m *OnuImages) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_OnuImages.Marshal(b, m, deterministic)
+}
+func (m *OnuImages) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_OnuImages.Merge(m, src)
+}
+func (m *OnuImages) XXX_Size() int {
+	return xxx_messageInfo_OnuImages.Size(m)
+}
+func (m *OnuImages) XXX_DiscardUnknown() {
+	xxx_messageInfo_OnuImages.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_OnuImages proto.InternalMessageInfo
+
+func (m *OnuImages) GetItems() []*OnuImage {
+	if m != nil {
+		return m.Items
+	}
+	return nil
+}
+
+type DeviceImageState struct {
+	DeviceId             string      `protobuf:"bytes,1,opt,name=device_id,json=deviceId,proto3" json:"device_id,omitempty"`
+	ImageState           *ImageState `protobuf:"bytes,2,opt,name=imageState,proto3" json:"imageState,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}    `json:"-"`
+	XXX_unrecognized     []byte      `json:"-"`
+	XXX_sizecache        int32       `json:"-"`
+}
+
+func (m *DeviceImageState) Reset()         { *m = DeviceImageState{} }
+func (m *DeviceImageState) String() string { return proto.CompactTextString(m) }
+func (*DeviceImageState) ProtoMessage()    {}
+func (*DeviceImageState) Descriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{11}
+}
+
+func (m *DeviceImageState) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeviceImageState.Unmarshal(m, b)
+}
+func (m *DeviceImageState) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeviceImageState.Marshal(b, m, deterministic)
+}
+func (m *DeviceImageState) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeviceImageState.Merge(m, src)
+}
+func (m *DeviceImageState) XXX_Size() int {
+	return xxx_messageInfo_DeviceImageState.Size(m)
+}
+func (m *DeviceImageState) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeviceImageState.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeviceImageState proto.InternalMessageInfo
+
+func (m *DeviceImageState) GetDeviceId() string {
+	if m != nil {
+		return m.DeviceId
+	}
+	return ""
+}
+
+func (m *DeviceImageState) GetImageState() *ImageState {
+	if m != nil {
+		return m.ImageState
+	}
+	return nil
+}
+
+type ImageState struct {
+	// image version
+	Version string `protobuf:"bytes,1,opt,name=version,proto3" json:"version,omitempty"`
+	// Download state
+	DownloadState ImageState_ImageDownloadState `protobuf:"varint,2,opt,name=download_state,json=downloadState,proto3,enum=voltha.ImageState_ImageDownloadState" json:"download_state,omitempty"`
+	// Image Operation Failure reason (use for both Download and Activate)
+	Reason ImageState_ImageFailureReason `protobuf:"varint,3,opt,name=reason,proto3,enum=voltha.ImageState_ImageFailureReason" json:"reason,omitempty"`
+	// Image activation state
+	ImageState           ImageState_ImageActivationState `protobuf:"varint,4,opt,name=image_state,json=imageState,proto3,enum=voltha.ImageState_ImageActivationState" json:"image_state,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}                        `json:"-"`
+	XXX_unrecognized     []byte                          `json:"-"`
+	XXX_sizecache        int32                           `json:"-"`
+}
+
+func (m *ImageState) Reset()         { *m = ImageState{} }
+func (m *ImageState) String() string { return proto.CompactTextString(m) }
+func (*ImageState) ProtoMessage()    {}
+func (*ImageState) Descriptor() ([]byte, []int) {
+	return fileDescriptor_200940f73d155856, []int{12}
+}
+
+func (m *ImageState) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ImageState.Unmarshal(m, b)
+}
+func (m *ImageState) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ImageState.Marshal(b, m, deterministic)
+}
+func (m *ImageState) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ImageState.Merge(m, src)
+}
+func (m *ImageState) XXX_Size() int {
+	return xxx_messageInfo_ImageState.Size(m)
+}
+func (m *ImageState) XXX_DiscardUnknown() {
+	xxx_messageInfo_ImageState.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ImageState proto.InternalMessageInfo
+
+func (m *ImageState) GetVersion() string {
+	if m != nil {
+		return m.Version
+	}
+	return ""
+}
+
+func (m *ImageState) GetDownloadState() ImageState_ImageDownloadState {
+	if m != nil {
+		return m.DownloadState
+	}
+	return ImageState_DOWNLOAD_UNKNOWN
+}
+
+func (m *ImageState) GetReason() ImageState_ImageFailureReason {
+	if m != nil {
+		return m.Reason
+	}
+	return ImageState_NO_ERROR
+}
+
+func (m *ImageState) GetImageState() ImageState_ImageActivationState {
+	if m != nil {
+		return m.ImageState
+	}
+	return ImageState_IMAGE_UNKNOWN
+}
+
 type Port struct {
 	PortNo     uint32                  `protobuf:"varint,1,opt,name=port_no,json=portNo,proto3" json:"port_no,omitempty"`
 	Label      string                  `protobuf:"bytes,2,opt,name=label,proto3" json:"label,omitempty"`
@@ -936,7 +1360,7 @@
 func (m *Port) String() string { return proto.CompactTextString(m) }
 func (*Port) ProtoMessage()    {}
 func (*Port) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{9}
+	return fileDescriptor_200940f73d155856, []int{13}
 }
 
 func (m *Port) XXX_Unmarshal(b []byte) error {
@@ -1067,7 +1491,7 @@
 func (m *Port_PeerPort) String() string { return proto.CompactTextString(m) }
 func (*Port_PeerPort) ProtoMessage()    {}
 func (*Port_PeerPort) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{9, 0}
+	return fileDescriptor_200940f73d155856, []int{13, 0}
 }
 
 func (m *Port_PeerPort) XXX_Unmarshal(b []byte) error {
@@ -1113,7 +1537,7 @@
 func (m *Ports) String() string { return proto.CompactTextString(m) }
 func (*Ports) ProtoMessage()    {}
 func (*Ports) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{10}
+	return fileDescriptor_200940f73d155856, []int{14}
 }
 
 func (m *Ports) XXX_Unmarshal(b []byte) error {
@@ -1163,7 +1587,7 @@
 	Images       *Images `protobuf:"bytes,9,opt,name=images,proto3" json:"images,omitempty"`
 	SerialNumber string  `protobuf:"bytes,10,opt,name=serial_number,json=serialNumber,proto3" json:"serial_number,omitempty"`
 	VendorId     string  `protobuf:"bytes,24,opt,name=vendor_id,json=vendorId,proto3" json:"vendor_id,omitempty"`
-	// Addapter that takes care of device
+	// Adapter that takes care of device
 	Adapter string `protobuf:"bytes,11,opt,name=adapter,proto3" json:"adapter,omitempty"`
 	// Device contact on vlan (if 0, no vlan)
 	Vlan uint32 `protobuf:"varint,12,opt,name=vlan,proto3" json:"vlan,omitempty"`
@@ -1195,7 +1619,7 @@
 func (m *Device) String() string { return proto.CompactTextString(m) }
 func (*Device) ProtoMessage()    {}
 func (*Device) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{11}
+	return fileDescriptor_200940f73d155856, []int{15}
 }
 
 func (m *Device) XXX_Unmarshal(b []byte) error {
@@ -1460,7 +1884,7 @@
 func (m *Device_ProxyAddress) String() string { return proto.CompactTextString(m) }
 func (*Device_ProxyAddress) ProtoMessage()    {}
 func (*Device_ProxyAddress) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{11, 0}
+	return fileDescriptor_200940f73d155856, []int{15, 0}
 }
 
 func (m *Device_ProxyAddress) XXX_Unmarshal(b []byte) error {
@@ -1541,7 +1965,7 @@
 func (m *Devices) String() string { return proto.CompactTextString(m) }
 func (*Devices) ProtoMessage()    {}
 func (*Devices) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{12}
+	return fileDescriptor_200940f73d155856, []int{16}
 }
 
 func (m *Devices) XXX_Unmarshal(b []byte) error {
@@ -1590,7 +2014,7 @@
 func (m *SimulateAlarmRequest) String() string { return proto.CompactTextString(m) }
 func (*SimulateAlarmRequest) ProtoMessage()    {}
 func (*SimulateAlarmRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_200940f73d155856, []int{13}
+	return fileDescriptor_200940f73d155856, []int{17}
 }
 
 func (m *SimulateAlarmRequest) XXX_Unmarshal(b []byte) error {
@@ -1686,6 +2110,9 @@
 	proto.RegisterEnum("voltha.ImageDownload_ImageDownloadState", ImageDownload_ImageDownloadState_name, ImageDownload_ImageDownloadState_value)
 	proto.RegisterEnum("voltha.ImageDownload_ImageDownloadFailureReason", ImageDownload_ImageDownloadFailureReason_name, ImageDownload_ImageDownloadFailureReason_value)
 	proto.RegisterEnum("voltha.ImageDownload_ImageActivateState", ImageDownload_ImageActivateState_name, ImageDownload_ImageActivateState_value)
+	proto.RegisterEnum("voltha.ImageState_ImageDownloadState", ImageState_ImageDownloadState_name, ImageState_ImageDownloadState_value)
+	proto.RegisterEnum("voltha.ImageState_ImageFailureReason", ImageState_ImageFailureReason_name, ImageState_ImageFailureReason_value)
+	proto.RegisterEnum("voltha.ImageState_ImageActivationState", ImageState_ImageActivationState_name, ImageState_ImageActivationState_value)
 	proto.RegisterEnum("voltha.Port_PortType", Port_PortType_name, Port_PortType_value)
 	proto.RegisterEnum("voltha.SimulateAlarmRequest_OperationType", SimulateAlarmRequest_OperationType_name, SimulateAlarmRequest_OperationType_value)
 	proto.RegisterType((*DeviceType)(nil), "voltha.DeviceType")
@@ -1694,9 +2121,13 @@
 	proto.RegisterType((*PmGroupConfig)(nil), "voltha.PmGroupConfig")
 	proto.RegisterType((*PmConfigs)(nil), "voltha.PmConfigs")
 	proto.RegisterType((*Image)(nil), "voltha.Image")
-	proto.RegisterType((*Images)(nil), "voltha.Images")
 	proto.RegisterType((*ImageDownload)(nil), "voltha.ImageDownload")
 	proto.RegisterType((*ImageDownloads)(nil), "voltha.ImageDownloads")
+	proto.RegisterType((*Images)(nil), "voltha.Images")
+	proto.RegisterType((*OnuImage)(nil), "voltha.OnuImage")
+	proto.RegisterType((*OnuImages)(nil), "voltha.OnuImages")
+	proto.RegisterType((*DeviceImageState)(nil), "voltha.DeviceImageState")
+	proto.RegisterType((*ImageState)(nil), "voltha.ImageState")
 	proto.RegisterType((*Port)(nil), "voltha.Port")
 	proto.RegisterType((*Port_PeerPort)(nil), "voltha.Port.PeerPort")
 	proto.RegisterType((*Ports)(nil), "voltha.Ports")
@@ -1709,152 +2140,174 @@
 func init() { proto.RegisterFile("voltha_protos/device.proto", fileDescriptor_200940f73d155856) }
 
 var fileDescriptor_200940f73d155856 = []byte{
-	// 2341 bytes of a gzipped FileDescriptorProto
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+	0xe2, 0xf4, 0xf3, 0xed, 0x93, 0x20, 0x3d, 0x5d, 0x1c, 0x31, 0x02, 0xd8, 0x51, 0x9a, 0x3b, 0x42,
+	0xf3, 0xa1, 0xfc, 0xa9, 0xe4, 0xec, 0xe3, 0x9d, 0x93, 0x58, 0x62, 0x47, 0x1a, 0x07, 0x9f, 0xfc,
+	0x33, 0x00, 0x00, 0xff, 0xff, 0x07, 0x84, 0x3f, 0x04, 0xc4, 0x19, 0x00, 0x00,
 }
diff --git a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/voltha.pb.go b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/voltha.pb.go
index e69957a..cc7717b 100644
--- a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/voltha.pb.go
+++ b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/voltha.pb.go
@@ -107,6 +107,7 @@
 const OperStatus_ACTIVE = OperStatus_Types(common.OperStatus_ACTIVE)
 const OperStatus_FAILED = OperStatus_Types(common.OperStatus_FAILED)
 const OperStatus_RECONCILING = OperStatus_Types(common.OperStatus_RECONCILING)
+const OperStatus_RECONCILING_FAILED = OperStatus_Types(common.OperStatus_RECONCILING_FAILED)
 
 // ConnectStatus_Types from public import voltha_protos/common.proto
 type ConnectStatus_Types = common.ConnectStatus_Types
@@ -2135,6 +2136,174 @@
 	return ""
 }
 
+type DeviceImageDownloadRequest struct {
+	// Device Id
+	// allows for operations on multiple devices.
+	DeviceId []*common.ID `protobuf:"bytes,1,rep,name=device_id,json=deviceId,proto3" json:"device_id,omitempty"`
+	//The image for the device containing all the information
+	Image *Image `protobuf:"bytes,2,opt,name=image,proto3" json:"image,omitempty"`
+	//Activate the image if the download to the device is successful
+	ActivateOnSuccess bool `protobuf:"varint,3,opt,name=activateOnSuccess,proto3" json:"activateOnSuccess,omitempty"`
+	//Automatically commit the image if the activation on the device is successful
+	CommitOnSuccess      bool     `protobuf:"varint,4,opt,name=commitOnSuccess,proto3" json:"commitOnSuccess,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DeviceImageDownloadRequest) Reset()         { *m = DeviceImageDownloadRequest{} }
+func (m *DeviceImageDownloadRequest) String() string { return proto.CompactTextString(m) }
+func (*DeviceImageDownloadRequest) ProtoMessage()    {}
+func (*DeviceImageDownloadRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e084f1a60ce7016c, []int{15}
+}
+
+func (m *DeviceImageDownloadRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeviceImageDownloadRequest.Unmarshal(m, b)
+}
+func (m *DeviceImageDownloadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeviceImageDownloadRequest.Marshal(b, m, deterministic)
+}
+func (m *DeviceImageDownloadRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeviceImageDownloadRequest.Merge(m, src)
+}
+func (m *DeviceImageDownloadRequest) XXX_Size() int {
+	return xxx_messageInfo_DeviceImageDownloadRequest.Size(m)
+}
+func (m *DeviceImageDownloadRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeviceImageDownloadRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeviceImageDownloadRequest proto.InternalMessageInfo
+
+func (m *DeviceImageDownloadRequest) GetDeviceId() []*common.ID {
+	if m != nil {
+		return m.DeviceId
+	}
+	return nil
+}
+
+func (m *DeviceImageDownloadRequest) GetImage() *Image {
+	if m != nil {
+		return m.Image
+	}
+	return nil
+}
+
+func (m *DeviceImageDownloadRequest) GetActivateOnSuccess() bool {
+	if m != nil {
+		return m.ActivateOnSuccess
+	}
+	return false
+}
+
+func (m *DeviceImageDownloadRequest) GetCommitOnSuccess() bool {
+	if m != nil {
+		return m.CommitOnSuccess
+	}
+	return false
+}
+
+type DeviceImageRequest struct {
+	//Device Id
+	//allows for operations on multiple adapters.
+	DeviceId []*common.ID `protobuf:"bytes,1,rep,name=device_id,json=deviceId,proto3" json:"device_id,omitempty"`
+	// Image Version, this is the sole identifier of the image. it's the vendor specified OMCI version
+	// must be known at the time of initiating a download, activate, commit image on an onu.
+	Version string `protobuf:"bytes,2,opt,name=version,proto3" json:"version,omitempty"`
+	//Automatically commit the image if the activation on the device is successful
+	CommitOnSuccess      bool     `protobuf:"varint,3,opt,name=commitOnSuccess,proto3" json:"commitOnSuccess,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DeviceImageRequest) Reset()         { *m = DeviceImageRequest{} }
+func (m *DeviceImageRequest) String() string { return proto.CompactTextString(m) }
+func (*DeviceImageRequest) ProtoMessage()    {}
+func (*DeviceImageRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e084f1a60ce7016c, []int{16}
+}
+
+func (m *DeviceImageRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeviceImageRequest.Unmarshal(m, b)
+}
+func (m *DeviceImageRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeviceImageRequest.Marshal(b, m, deterministic)
+}
+func (m *DeviceImageRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeviceImageRequest.Merge(m, src)
+}
+func (m *DeviceImageRequest) XXX_Size() int {
+	return xxx_messageInfo_DeviceImageRequest.Size(m)
+}
+func (m *DeviceImageRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeviceImageRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeviceImageRequest proto.InternalMessageInfo
+
+func (m *DeviceImageRequest) GetDeviceId() []*common.ID {
+	if m != nil {
+		return m.DeviceId
+	}
+	return nil
+}
+
+func (m *DeviceImageRequest) GetVersion() string {
+	if m != nil {
+		return m.Version
+	}
+	return ""
+}
+
+func (m *DeviceImageRequest) GetCommitOnSuccess() bool {
+	if m != nil {
+		return m.CommitOnSuccess
+	}
+	return false
+}
+
+type DeviceImageResponse struct {
+	//Image state for the different devices
+	DeviceImageStates    []*DeviceImageState `protobuf:"bytes,1,rep,name=device_image_states,json=deviceImageStates,proto3" json:"device_image_states,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}            `json:"-"`
+	XXX_unrecognized     []byte              `json:"-"`
+	XXX_sizecache        int32               `json:"-"`
+}
+
+func (m *DeviceImageResponse) Reset()         { *m = DeviceImageResponse{} }
+func (m *DeviceImageResponse) String() string { return proto.CompactTextString(m) }
+func (*DeviceImageResponse) ProtoMessage()    {}
+func (*DeviceImageResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_e084f1a60ce7016c, []int{17}
+}
+
+func (m *DeviceImageResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeviceImageResponse.Unmarshal(m, b)
+}
+func (m *DeviceImageResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeviceImageResponse.Marshal(b, m, deterministic)
+}
+func (m *DeviceImageResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeviceImageResponse.Merge(m, src)
+}
+func (m *DeviceImageResponse) XXX_Size() int {
+	return xxx_messageInfo_DeviceImageResponse.Size(m)
+}
+func (m *DeviceImageResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeviceImageResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeviceImageResponse proto.InternalMessageInfo
+
+func (m *DeviceImageResponse) GetDeviceImageStates() []*DeviceImageState {
+	if m != nil {
+		return m.DeviceImageStates
+	}
+	return nil
+}
+
 // Additional information required to process flow at device adapters
 type FlowMetadata struct {
 	// Meters associated with flow-update to adapter
@@ -2148,7 +2317,7 @@
 func (m *FlowMetadata) String() string { return proto.CompactTextString(m) }
 func (*FlowMetadata) ProtoMessage()    {}
 func (*FlowMetadata) Descriptor() ([]byte, []int) {
-	return fileDescriptor_e084f1a60ce7016c, []int{15}
+	return fileDescriptor_e084f1a60ce7016c, []int{18}
 }
 
 func (m *FlowMetadata) XXX_Unmarshal(b []byte) error {
@@ -2195,177 +2364,198 @@
 	proto.RegisterType((*SelfTestResponse)(nil), "voltha.SelfTestResponse")
 	proto.RegisterType((*OfAgentSubscriber)(nil), "voltha.OfAgentSubscriber")
 	proto.RegisterType((*Membership)(nil), "voltha.Membership")
+	proto.RegisterType((*DeviceImageDownloadRequest)(nil), "voltha.DeviceImageDownloadRequest")
+	proto.RegisterType((*DeviceImageRequest)(nil), "voltha.DeviceImageRequest")
+	proto.RegisterType((*DeviceImageResponse)(nil), "voltha.DeviceImageResponse")
 	proto.RegisterType((*FlowMetadata)(nil), "voltha.FlowMetadata")
 }
 
 func init() { proto.RegisterFile("voltha_protos/voltha.proto", fileDescriptor_e084f1a60ce7016c) }
 
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+	0x46, 0xc0, 0x62, 0x21, 0xc7, 0x08, 0xb0, 0x90, 0x07, 0x78, 0x5c, 0x8d, 0xc8, 0xaa, 0xf3, 0x81,
+	0xa2, 0xcb, 0xd3, 0x67, 0x20, 0xb2, 0x1a, 0x5f, 0x56, 0x79, 0xe4, 0x33, 0x98, 0xd1, 0xcf, 0x4f,
+	0x01, 0xb0, 0x5c, 0xdc, 0x3b, 0x16, 0xbd, 0x8e, 0xb0, 0x57, 0xe8, 0xa5, 0x48, 0x58, 0x8f, 0xb5,
+	0x9b, 0x35, 0x2e, 0xd0, 0x1e, 0x63, 0xf5, 0x1f, 0x78, 0xbe, 0x1b, 0xbd, 0xbd, 0x09, 0xbd, 0xef,
+	0x85, 0x23, 0x8f, 0x70, 0x23, 0x21, 0xa7, 0xae, 0x6d, 0xec, 0x3a, 0xf9, 0x1c, 0xc8, 0x3e, 0xe3,
+	0x23, 0x2f, 0x78, 0x23, 0x57, 0xbc, 0x51, 0x8f, 0x7c, 0x61, 0x7b, 0x04, 0xb1, 0xf1, 0xbd, 0x90,
+	0x78, 0x30, 0x57, 0xb5, 0x3b, 0xfd, 0xb6, 0xc9, 0x19, 0x8e, 0x27, 0x6b, 0x03, 0x43, 0xf8, 0x9b,
+	0x75, 0x96, 0x8f, 0xa9, 0x68, 0x43, 0xd7, 0x6e, 0x41, 0x1b, 0x29, 0xa4, 0x9a, 0x40, 0x12, 0x3b,
+	0x73, 0x07, 0x66, 0x07, 0x4f, 0x75, 0xe4, 0xe2, 0xa0, 0x38, 0x1a, 0x7d, 0xc4, 0xcb, 0xc7, 0x77,
+	0xd1, 0x0b, 0xe4, 0x21, 0x80, 0xbc, 0x33, 0xc0, 0x2b, 0xd2, 0x94, 0xbf, 0x22, 0x88, 0xdd, 0xd0,
+	0xea, 0xb2, 0x85, 0xce, 0x0b, 0x1d, 0x87, 0xa3, 0xd5, 0x75, 0x90, 0xba, 0x29, 0x38, 0x07, 0xde,
+	0xf0, 0x4e, 0xe3, 0xf8, 0x56, 0xd1, 0x37, 0x5c, 0x00, 0x7e, 0x06, 0x49, 0x11, 0x3c, 0x5e, 0x70,
+	0x7c, 0xff, 0x27, 0xcb, 0xda, 0x72, 0xf2, 0xe7, 0x00, 0x3d, 0xd6, 0xb0, 0x9b, 0x36, 0x73, 0xf3,
+	0x8b, 0xba, 0xdd, 0x60, 0xbc, 0xef, 0x76, 0xb1, 0xd7, 0xa3, 0xab, 0x08, 0xbc, 0x44, 0xb2, 0xda,
+	0xa0, 0x7e, 0xa8, 0x03, 0x48, 0x56, 0x7d, 0x9f, 0x83, 0x47, 0x09, 0xfd, 0x43, 0x83, 0x58, 0x75,
+	0x43, 0xa8, 0x7e, 0x98, 0x23, 0xc8, 0x56, 0xb9, 0xe9, 0x72, 0xfd, 0x33, 0x0b, 0x51, 0x75, 0x3a,
+	0x5d, 0x32, 0xf8, 0x05, 0xca, 0xc8, 0xcf, 0x2f, 0x86, 0xce, 0x1c, 0xf0, 0x16, 0x15, 0x32, 0xe8,
+	0xe0, 0xbd, 0xc2, 0x13, 0x98, 0x35, 0x7c, 0xa1, 0x16, 0x6e, 0xf2, 0x41, 0x62, 0x73, 0xbb, 0x0d,
+	0x59, 0xc7, 0x6d, 0x61, 0xc6, 0x68, 0x38, 0xae, 0xa5, 0x70, 0xb6, 0x53, 0xf2, 0x45, 0xa9, 0x82,
+	0x3f, 0xc1, 0xfa, 0x45, 0xa1, 0x65, 0xf3, 0xa3, 0x7e, 0x5d, 0x58, 0xa7, 0xa8, 0x25, 0xd5, 0x4f,
+	0xe1, 0x6e, 0xea, 0x1f, 0xc6, 0xdd, 0x2d, 0xb6, 0x1c, 0xd5, 0xf6, 0xb7, 0xb1, 0xe5, 0xb2, 0xc6,
+	0x7b, 0xec, 0x7f, 0xa0, 0xaa, 0x8c, 0x55, 0xc6, 0x2b, 0x13, 0x95, 0xc9, 0xca, 0x54, 0x65, 0xba,
+	0x32, 0x53, 0x9f, 0xc2, 0xb1, 0x77, 0xfe, 0x17, 0x00, 0x00, 0xff, 0xff, 0x87, 0x9b, 0x36, 0xf4,
+	0x64, 0x27, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -2444,12 +2634,16 @@
 	DownloadImage(ctx context.Context, in *ImageDownload, opts ...grpc.CallOption) (*common.OperationResp, error)
 	// Get image download status on a device
 	// The request retrieves progress on device and updates db record
+	// Deprecated in voltha 2.8, will be removed
 	GetImageDownloadStatus(ctx context.Context, in *ImageDownload, opts ...grpc.CallOption) (*ImageDownload, error)
 	// Get image download db record
+	// Deprecated in voltha 2.8, will be removed
 	GetImageDownload(ctx context.Context, in *ImageDownload, opts ...grpc.CallOption) (*ImageDownload, error)
 	// List image download db records for a given device
+	// Deprecated in voltha 2.8, will be removed
 	ListImageDownloads(ctx context.Context, in *common.ID, opts ...grpc.CallOption) (*ImageDownloads, error)
 	// Cancel an existing image download process on a device
+	// Deprecated in voltha 2.8, will be removed
 	CancelImageDownload(ctx context.Context, in *ImageDownload, opts ...grpc.CallOption) (*common.OperationResp, error)
 	// Activate the specified image at a standby partition
 	// to active partition.
@@ -2458,6 +2652,7 @@
 	// If no reboot, then a reboot is required to make the
 	// activated image running on device
 	// Note that the call is expected to be non-blocking.
+	// Deprecated in voltha 2.8, will be removed
 	ActivateImageUpdate(ctx context.Context, in *ImageDownload, opts ...grpc.CallOption) (*common.OperationResp, error)
 	// Revert the specified image at standby partition
 	// to active partition, and revert to previous image
@@ -2466,7 +2661,36 @@
 	// If no reboot, then a reboot is required to make the
 	// previous image running on device
 	// Note that the call is expected to be non-blocking.
+	// Deprecated in voltha 2.8, will be removed
 	RevertImageUpdate(ctx context.Context, in *ImageDownload, opts ...grpc.CallOption) (*common.OperationResp, error)
+	// Downloads a certain image to the standby partition of the devices
+	// Note that the call is expected to be non-blocking.
+	DownloadImageToDevice(ctx context.Context, in *DeviceImageDownloadRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error)
+	// Get image status on a number of devices devices
+	// Polled from northbound systems to get state of download/activate/commit
+	GetImageStatus(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error)
+	// Aborts the upgrade of an image on a device
+	// To be used carefully, stops any further operations for the Image on the given devices
+	// Might also stop if possible existing work, but no guarantees are given,
+	// depends on implementation and procedure status.
+	AbortImageUpgradeToDevice(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error)
+	// Get Both Active and Standby image for a given device
+	GetOnuImages(ctx context.Context, in *common.ID, opts ...grpc.CallOption) (*OnuImages, error)
+	// Activate the specified image from a standby partition
+	// to active partition.
+	// Depending on the device implementation, this call
+	// may or may not cause device reboot.
+	// If no reboot, then a reboot is required to make the
+	// activated image running on device
+	// Note that the call is expected to be non-blocking.
+	ActivateImage(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error)
+	// Commit the specified image to be default.
+	// Depending on the device implementation, this call
+	// may or may not cause device reboot.
+	// If no reboot, then a reboot is required to make the
+	// activated image running on device upon next reboot
+	// Note that the call is expected to be non-blocking.
+	CommitImage(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error)
 	// List ports of a device
 	ListDevicePorts(ctx context.Context, in *common.ID, opts ...grpc.CallOption) (*Ports, error)
 	// List pm config of a device
@@ -2837,6 +3061,60 @@
 	return out, nil
 }
 
+func (c *volthaServiceClient) DownloadImageToDevice(ctx context.Context, in *DeviceImageDownloadRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	out := new(DeviceImageResponse)
+	err := c.cc.Invoke(ctx, "/voltha.VolthaService/DownloadImageToDevice", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volthaServiceClient) GetImageStatus(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	out := new(DeviceImageResponse)
+	err := c.cc.Invoke(ctx, "/voltha.VolthaService/GetImageStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volthaServiceClient) AbortImageUpgradeToDevice(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	out := new(DeviceImageResponse)
+	err := c.cc.Invoke(ctx, "/voltha.VolthaService/AbortImageUpgradeToDevice", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volthaServiceClient) GetOnuImages(ctx context.Context, in *common.ID, opts ...grpc.CallOption) (*OnuImages, error) {
+	out := new(OnuImages)
+	err := c.cc.Invoke(ctx, "/voltha.VolthaService/GetOnuImages", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volthaServiceClient) ActivateImage(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	out := new(DeviceImageResponse)
+	err := c.cc.Invoke(ctx, "/voltha.VolthaService/ActivateImage", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volthaServiceClient) CommitImage(ctx context.Context, in *DeviceImageRequest, opts ...grpc.CallOption) (*DeviceImageResponse, error) {
+	out := new(DeviceImageResponse)
+	err := c.cc.Invoke(ctx, "/voltha.VolthaService/CommitImage", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *volthaServiceClient) ListDevicePorts(ctx context.Context, in *common.ID, opts ...grpc.CallOption) (*Ports, error) {
 	out := new(Ports)
 	err := c.cc.Invoke(ctx, "/voltha.VolthaService/ListDevicePorts", in, out, opts...)
@@ -3226,12 +3504,16 @@
 	DownloadImage(context.Context, *ImageDownload) (*common.OperationResp, error)
 	// Get image download status on a device
 	// The request retrieves progress on device and updates db record
+	// Deprecated in voltha 2.8, will be removed
 	GetImageDownloadStatus(context.Context, *ImageDownload) (*ImageDownload, error)
 	// Get image download db record
+	// Deprecated in voltha 2.8, will be removed
 	GetImageDownload(context.Context, *ImageDownload) (*ImageDownload, error)
 	// List image download db records for a given device
+	// Deprecated in voltha 2.8, will be removed
 	ListImageDownloads(context.Context, *common.ID) (*ImageDownloads, error)
 	// Cancel an existing image download process on a device
+	// Deprecated in voltha 2.8, will be removed
 	CancelImageDownload(context.Context, *ImageDownload) (*common.OperationResp, error)
 	// Activate the specified image at a standby partition
 	// to active partition.
@@ -3240,6 +3522,7 @@
 	// If no reboot, then a reboot is required to make the
 	// activated image running on device
 	// Note that the call is expected to be non-blocking.
+	// Deprecated in voltha 2.8, will be removed
 	ActivateImageUpdate(context.Context, *ImageDownload) (*common.OperationResp, error)
 	// Revert the specified image at standby partition
 	// to active partition, and revert to previous image
@@ -3248,7 +3531,36 @@
 	// If no reboot, then a reboot is required to make the
 	// previous image running on device
 	// Note that the call is expected to be non-blocking.
+	// Deprecated in voltha 2.8, will be removed
 	RevertImageUpdate(context.Context, *ImageDownload) (*common.OperationResp, error)
+	// Downloads a certain image to the standby partition of the devices
+	// Note that the call is expected to be non-blocking.
+	DownloadImageToDevice(context.Context, *DeviceImageDownloadRequest) (*DeviceImageResponse, error)
+	// Get image status on a number of devices devices
+	// Polled from northbound systems to get state of download/activate/commit
+	GetImageStatus(context.Context, *DeviceImageRequest) (*DeviceImageResponse, error)
+	// Aborts the upgrade of an image on a device
+	// To be used carefully, stops any further operations for the Image on the given devices
+	// Might also stop if possible existing work, but no guarantees are given,
+	// depends on implementation and procedure status.
+	AbortImageUpgradeToDevice(context.Context, *DeviceImageRequest) (*DeviceImageResponse, error)
+	// Get Both Active and Standby image for a given device
+	GetOnuImages(context.Context, *common.ID) (*OnuImages, error)
+	// Activate the specified image from a standby partition
+	// to active partition.
+	// Depending on the device implementation, this call
+	// may or may not cause device reboot.
+	// If no reboot, then a reboot is required to make the
+	// activated image running on device
+	// Note that the call is expected to be non-blocking.
+	ActivateImage(context.Context, *DeviceImageRequest) (*DeviceImageResponse, error)
+	// Commit the specified image to be default.
+	// Depending on the device implementation, this call
+	// may or may not cause device reboot.
+	// If no reboot, then a reboot is required to make the
+	// activated image running on device upon next reboot
+	// Note that the call is expected to be non-blocking.
+	CommitImage(context.Context, *DeviceImageRequest) (*DeviceImageResponse, error)
 	// List ports of a device
 	ListDevicePorts(context.Context, *common.ID) (*Ports, error)
 	// List pm config of a device
@@ -3405,6 +3717,24 @@
 func (*UnimplementedVolthaServiceServer) RevertImageUpdate(ctx context.Context, req *ImageDownload) (*common.OperationResp, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RevertImageUpdate not implemented")
 }
+func (*UnimplementedVolthaServiceServer) DownloadImageToDevice(ctx context.Context, req *DeviceImageDownloadRequest) (*DeviceImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DownloadImageToDevice not implemented")
+}
+func (*UnimplementedVolthaServiceServer) GetImageStatus(ctx context.Context, req *DeviceImageRequest) (*DeviceImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetImageStatus not implemented")
+}
+func (*UnimplementedVolthaServiceServer) AbortImageUpgradeToDevice(ctx context.Context, req *DeviceImageRequest) (*DeviceImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AbortImageUpgradeToDevice not implemented")
+}
+func (*UnimplementedVolthaServiceServer) GetOnuImages(ctx context.Context, req *common.ID) (*OnuImages, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetOnuImages not implemented")
+}
+func (*UnimplementedVolthaServiceServer) ActivateImage(ctx context.Context, req *DeviceImageRequest) (*DeviceImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ActivateImage not implemented")
+}
+func (*UnimplementedVolthaServiceServer) CommitImage(ctx context.Context, req *DeviceImageRequest) (*DeviceImageResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CommitImage not implemented")
+}
 func (*UnimplementedVolthaServiceServer) ListDevicePorts(ctx context.Context, req *common.ID) (*Ports, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListDevicePorts not implemented")
 }
@@ -4124,6 +4454,114 @@
 	return interceptor(ctx, in, info, handler)
 }
 
+func _VolthaService_DownloadImageToDevice_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeviceImageDownloadRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolthaServiceServer).DownloadImageToDevice(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.VolthaService/DownloadImageToDevice",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolthaServiceServer).DownloadImageToDevice(ctx, req.(*DeviceImageDownloadRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolthaService_GetImageStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeviceImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolthaServiceServer).GetImageStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.VolthaService/GetImageStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolthaServiceServer).GetImageStatus(ctx, req.(*DeviceImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolthaService_AbortImageUpgradeToDevice_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeviceImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolthaServiceServer).AbortImageUpgradeToDevice(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.VolthaService/AbortImageUpgradeToDevice",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolthaServiceServer).AbortImageUpgradeToDevice(ctx, req.(*DeviceImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolthaService_GetOnuImages_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(common.ID)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolthaServiceServer).GetOnuImages(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.VolthaService/GetOnuImages",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolthaServiceServer).GetOnuImages(ctx, req.(*common.ID))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolthaService_ActivateImage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeviceImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolthaServiceServer).ActivateImage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.VolthaService/ActivateImage",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolthaServiceServer).ActivateImage(ctx, req.(*DeviceImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolthaService_CommitImage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeviceImageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolthaServiceServer).CommitImage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/voltha.VolthaService/CommitImage",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolthaServiceServer).CommitImage(ctx, req.(*DeviceImageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _VolthaService_ListDevicePorts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(common.ID)
 	if err := dec(in); err != nil {
@@ -4787,6 +5225,30 @@
 			Handler:    _VolthaService_RevertImageUpdate_Handler,
 		},
 		{
+			MethodName: "DownloadImageToDevice",
+			Handler:    _VolthaService_DownloadImageToDevice_Handler,
+		},
+		{
+			MethodName: "GetImageStatus",
+			Handler:    _VolthaService_GetImageStatus_Handler,
+		},
+		{
+			MethodName: "AbortImageUpgradeToDevice",
+			Handler:    _VolthaService_AbortImageUpgradeToDevice_Handler,
+		},
+		{
+			MethodName: "GetOnuImages",
+			Handler:    _VolthaService_GetOnuImages_Handler,
+		},
+		{
+			MethodName: "ActivateImage",
+			Handler:    _VolthaService_ActivateImage_Handler,
+		},
+		{
+			MethodName: "CommitImage",
+			Handler:    _VolthaService_CommitImage_Handler,
+		},
+		{
 			MethodName: "ListDevicePorts",
 			Handler:    _VolthaService_ListDevicePorts_Handler,
 		},
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/doc.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/doc.go
deleted file mode 100644
index dcdbf51..0000000
--- a/vendor/go.etcd.io/etcd/clientv3/concurrency/doc.go
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// 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 concurrency implements concurrency operations on top of
-// etcd such as distributed locks, barriers, and elections.
-package concurrency
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/election.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/election.go
deleted file mode 100644
index 2521db6..0000000
--- a/vendor/go.etcd.io/etcd/clientv3/concurrency/election.go
+++ /dev/null
@@ -1,254 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// 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 concurrency
-
-import (
-	"context"
-	"errors"
-	"fmt"
-
-	v3 "go.etcd.io/etcd/clientv3"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/mvcc/mvccpb"
-)
-
-var (
-	ErrElectionNotLeader = errors.New("election: not leader")
-	ErrElectionNoLeader  = errors.New("election: no leader")
-)
-
-type Election struct {
-	session *Session
-
-	keyPrefix string
-
-	leaderKey     string
-	leaderRev     int64
-	leaderSession *Session
-	hdr           *pb.ResponseHeader
-}
-
-// NewElection returns a new election on a given key prefix.
-func NewElection(s *Session, pfx string) *Election {
-	return &Election{session: s, keyPrefix: pfx + "/"}
-}
-
-// ResumeElection initializes an election with a known leader.
-func ResumeElection(s *Session, pfx string, leaderKey string, leaderRev int64) *Election {
-	return &Election{
-		keyPrefix:     pfx,
-		session:       s,
-		leaderKey:     leaderKey,
-		leaderRev:     leaderRev,
-		leaderSession: s,
-	}
-}
-
-// Campaign puts a value as eligible for the election on the prefix
-// key.
-// Multiple sessions can participate in the election for the
-// same prefix, but only one can be the leader at a time.
-//
-// If the context is 'context.TODO()/context.Background()', the Campaign
-// will continue to be blocked for other keys to be deleted, unless server
-// returns a non-recoverable error (e.g. ErrCompacted).
-// Otherwise, until the context is not cancelled or timed-out, Campaign will
-// continue to be blocked until it becomes the leader.
-func (e *Election) Campaign(ctx context.Context, val string) error {
-	s := e.session
-	client := e.session.Client()
-
-	k := fmt.Sprintf("%s%x", e.keyPrefix, s.Lease())
-	txn := client.Txn(ctx).If(v3.Compare(v3.CreateRevision(k), "=", 0))
-	txn = txn.Then(v3.OpPut(k, val, v3.WithLease(s.Lease())))
-	txn = txn.Else(v3.OpGet(k))
-	resp, err := txn.Commit()
-	if err != nil {
-		return err
-	}
-	e.leaderKey, e.leaderRev, e.leaderSession = k, resp.Header.Revision, s
-	if !resp.Succeeded {
-		kv := resp.Responses[0].GetResponseRange().Kvs[0]
-		e.leaderRev = kv.CreateRevision
-		if string(kv.Value) != val {
-			if err = e.Proclaim(ctx, val); err != nil {
-				e.Resign(ctx)
-				return err
-			}
-		}
-	}
-
-	_, err = waitDeletes(ctx, client, e.keyPrefix, e.leaderRev-1)
-	if err != nil {
-		// clean up in case of context cancel
-		select {
-		case <-ctx.Done():
-			e.Resign(client.Ctx())
-		default:
-			e.leaderSession = nil
-		}
-		return err
-	}
-	e.hdr = resp.Header
-
-	return nil
-}
-
-// Proclaim lets the leader announce a new value without another election.
-func (e *Election) Proclaim(ctx context.Context, val string) error {
-	if e.leaderSession == nil {
-		return ErrElectionNotLeader
-	}
-	client := e.session.Client()
-	cmp := v3.Compare(v3.CreateRevision(e.leaderKey), "=", e.leaderRev)
-	txn := client.Txn(ctx).If(cmp)
-	txn = txn.Then(v3.OpPut(e.leaderKey, val, v3.WithLease(e.leaderSession.Lease())))
-	tresp, terr := txn.Commit()
-	if terr != nil {
-		return terr
-	}
-	if !tresp.Succeeded {
-		e.leaderKey = ""
-		return ErrElectionNotLeader
-	}
-
-	e.hdr = tresp.Header
-	return nil
-}
-
-// Resign lets a leader start a new election.
-func (e *Election) Resign(ctx context.Context) (err error) {
-	if e.leaderSession == nil {
-		return nil
-	}
-	client := e.session.Client()
-	cmp := v3.Compare(v3.CreateRevision(e.leaderKey), "=", e.leaderRev)
-	resp, err := client.Txn(ctx).If(cmp).Then(v3.OpDelete(e.leaderKey)).Commit()
-	if err == nil {
-		e.hdr = resp.Header
-	}
-	e.leaderKey = ""
-	e.leaderSession = nil
-	return err
-}
-
-// Leader returns the leader value for the current election.
-func (e *Election) Leader(ctx context.Context) (*v3.GetResponse, error) {
-	client := e.session.Client()
-	resp, err := client.Get(ctx, e.keyPrefix, v3.WithFirstCreate()...)
-	if err != nil {
-		return nil, err
-	} else if len(resp.Kvs) == 0 {
-		// no leader currently elected
-		return nil, ErrElectionNoLeader
-	}
-	return resp, nil
-}
-
-// Observe returns a channel that reliably observes ordered leader proposals
-// as GetResponse values on every current elected leader key. It will not
-// necessarily fetch all historical leader updates, but will always post the
-// most recent leader value.
-//
-// The channel closes when the context is canceled or the underlying watcher
-// is otherwise disrupted.
-func (e *Election) Observe(ctx context.Context) <-chan v3.GetResponse {
-	retc := make(chan v3.GetResponse)
-	go e.observe(ctx, retc)
-	return retc
-}
-
-func (e *Election) observe(ctx context.Context, ch chan<- v3.GetResponse) {
-	client := e.session.Client()
-
-	defer close(ch)
-	for {
-		resp, err := client.Get(ctx, e.keyPrefix, v3.WithFirstCreate()...)
-		if err != nil {
-			return
-		}
-
-		var kv *mvccpb.KeyValue
-		var hdr *pb.ResponseHeader
-
-		if len(resp.Kvs) == 0 {
-			cctx, cancel := context.WithCancel(ctx)
-			// wait for first key put on prefix
-			opts := []v3.OpOption{v3.WithRev(resp.Header.Revision), v3.WithPrefix()}
-			wch := client.Watch(cctx, e.keyPrefix, opts...)
-			for kv == nil {
-				wr, ok := <-wch
-				if !ok || wr.Err() != nil {
-					cancel()
-					return
-				}
-				// only accept puts; a delete will make observe() spin
-				for _, ev := range wr.Events {
-					if ev.Type == mvccpb.PUT {
-						hdr, kv = &wr.Header, ev.Kv
-						// may have multiple revs; hdr.rev = the last rev
-						// set to kv's rev in case batch has multiple Puts
-						hdr.Revision = kv.ModRevision
-						break
-					}
-				}
-			}
-			cancel()
-		} else {
-			hdr, kv = resp.Header, resp.Kvs[0]
-		}
-
-		select {
-		case ch <- v3.GetResponse{Header: hdr, Kvs: []*mvccpb.KeyValue{kv}}:
-		case <-ctx.Done():
-			return
-		}
-
-		cctx, cancel := context.WithCancel(ctx)
-		wch := client.Watch(cctx, string(kv.Key), v3.WithRev(hdr.Revision+1))
-		keyDeleted := false
-		for !keyDeleted {
-			wr, ok := <-wch
-			if !ok {
-				cancel()
-				return
-			}
-			for _, ev := range wr.Events {
-				if ev.Type == mvccpb.DELETE {
-					keyDeleted = true
-					break
-				}
-				resp.Header = &wr.Header
-				resp.Kvs = []*mvccpb.KeyValue{ev.Kv}
-				select {
-				case ch <- *resp:
-				case <-cctx.Done():
-					cancel()
-					return
-				}
-			}
-		}
-		cancel()
-	}
-}
-
-// Key returns the leader key if elected, empty string otherwise.
-func (e *Election) Key() string { return e.leaderKey }
-
-// Rev returns the leader key's creation revision, if elected.
-func (e *Election) Rev() int64 { return e.leaderRev }
-
-// Header is the response header from the last successful election proposal.
-func (e *Election) Header() *pb.ResponseHeader { return e.hdr }
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/key.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/key.go
deleted file mode 100644
index e4cf775..0000000
--- a/vendor/go.etcd.io/etcd/clientv3/concurrency/key.go
+++ /dev/null
@@ -1,65 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// 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 concurrency
-
-import (
-	"context"
-	"fmt"
-
-	v3 "go.etcd.io/etcd/clientv3"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-	"go.etcd.io/etcd/mvcc/mvccpb"
-)
-
-func waitDelete(ctx context.Context, client *v3.Client, key string, rev int64) error {
-	cctx, cancel := context.WithCancel(ctx)
-	defer cancel()
-
-	var wr v3.WatchResponse
-	wch := client.Watch(cctx, key, v3.WithRev(rev))
-	for wr = range wch {
-		for _, ev := range wr.Events {
-			if ev.Type == mvccpb.DELETE {
-				return nil
-			}
-		}
-	}
-	if err := wr.Err(); err != nil {
-		return err
-	}
-	if err := ctx.Err(); err != nil {
-		return err
-	}
-	return fmt.Errorf("lost watcher waiting for delete")
-}
-
-// waitDeletes efficiently waits until all keys matching the prefix and no greater
-// than the create revision.
-func waitDeletes(ctx context.Context, client *v3.Client, pfx string, maxCreateRev int64) (*pb.ResponseHeader, error) {
-	getOpts := append(v3.WithLastCreate(), v3.WithMaxCreateRev(maxCreateRev))
-	for {
-		resp, err := client.Get(ctx, pfx, getOpts...)
-		if err != nil {
-			return nil, err
-		}
-		if len(resp.Kvs) == 0 {
-			return resp.Header, nil
-		}
-		lastKey := string(resp.Kvs[0].Key)
-		if err = waitDelete(ctx, client, lastKey, resp.Header.Revision); err != nil {
-			return nil, err
-		}
-	}
-}
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/mutex.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/mutex.go
deleted file mode 100644
index 306470b..0000000
--- a/vendor/go.etcd.io/etcd/clientv3/concurrency/mutex.go
+++ /dev/null
@@ -1,153 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// 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 concurrency
-
-import (
-	"context"
-	"errors"
-	"fmt"
-	"sync"
-
-	v3 "go.etcd.io/etcd/clientv3"
-	pb "go.etcd.io/etcd/etcdserver/etcdserverpb"
-)
-
-// ErrLocked is returned by TryLock when Mutex is already locked by another session.
-var ErrLocked = errors.New("mutex: Locked by another session")
-
-// Mutex implements the sync Locker interface with etcd
-type Mutex struct {
-	s *Session
-
-	pfx   string
-	myKey string
-	myRev int64
-	hdr   *pb.ResponseHeader
-}
-
-func NewMutex(s *Session, pfx string) *Mutex {
-	return &Mutex{s, pfx + "/", "", -1, nil}
-}
-
-// TryLock locks the mutex if not already locked by another session.
-// If lock is held by another session, return immediately after attempting necessary cleanup
-// The ctx argument is used for the sending/receiving Txn RPC.
-func (m *Mutex) TryLock(ctx context.Context) error {
-	resp, err := m.tryAcquire(ctx)
-	if err != nil {
-		return err
-	}
-	// if no key on prefix / the minimum rev is key, already hold the lock
-	ownerKey := resp.Responses[1].GetResponseRange().Kvs
-	if len(ownerKey) == 0 || ownerKey[0].CreateRevision == m.myRev {
-		m.hdr = resp.Header
-		return nil
-	}
-	client := m.s.Client()
-	// Cannot lock, so delete the key
-	if _, err := client.Delete(ctx, m.myKey); err != nil {
-		return err
-	}
-	m.myKey = "\x00"
-	m.myRev = -1
-	return ErrLocked
-}
-
-// Lock locks the mutex with a cancelable context. If the context is canceled
-// while trying to acquire the lock, the mutex tries to clean its stale lock entry.
-func (m *Mutex) Lock(ctx context.Context) error {
-	resp, err := m.tryAcquire(ctx)
-	if err != nil {
-		return err
-	}
-	// if no key on prefix / the minimum rev is key, already hold the lock
-	ownerKey := resp.Responses[1].GetResponseRange().Kvs
-	if len(ownerKey) == 0 || ownerKey[0].CreateRevision == m.myRev {
-		m.hdr = resp.Header
-		return nil
-	}
-	client := m.s.Client()
-	// wait for deletion revisions prior to myKey
-	hdr, werr := waitDeletes(ctx, client, m.pfx, m.myRev-1)
-	// release lock key if wait failed
-	if werr != nil {
-		m.Unlock(client.Ctx())
-	} else {
-		m.hdr = hdr
-	}
-	return werr
-}
-
-func (m *Mutex) tryAcquire(ctx context.Context) (*v3.TxnResponse, error) {
-	s := m.s
-	client := m.s.Client()
-
-	m.myKey = fmt.Sprintf("%s%x", m.pfx, s.Lease())
-	cmp := v3.Compare(v3.CreateRevision(m.myKey), "=", 0)
-	// put self in lock waiters via myKey; oldest waiter holds lock
-	put := v3.OpPut(m.myKey, "", v3.WithLease(s.Lease()))
-	// reuse key in case this session already holds the lock
-	get := v3.OpGet(m.myKey)
-	// fetch current holder to complete uncontended path with only one RPC
-	getOwner := v3.OpGet(m.pfx, v3.WithFirstCreate()...)
-	resp, err := client.Txn(ctx).If(cmp).Then(put, getOwner).Else(get, getOwner).Commit()
-	if err != nil {
-		return nil, err
-	}
-	m.myRev = resp.Header.Revision
-	if !resp.Succeeded {
-		m.myRev = resp.Responses[0].GetResponseRange().Kvs[0].CreateRevision
-	}
-	return resp, nil
-}
-
-func (m *Mutex) Unlock(ctx context.Context) error {
-	client := m.s.Client()
-	if _, err := client.Delete(ctx, m.myKey); err != nil {
-		return err
-	}
-	m.myKey = "\x00"
-	m.myRev = -1
-	return nil
-}
-
-func (m *Mutex) IsOwner() v3.Cmp {
-	return v3.Compare(v3.CreateRevision(m.myKey), "=", m.myRev)
-}
-
-func (m *Mutex) Key() string { return m.myKey }
-
-// Header is the response header received from etcd on acquiring the lock.
-func (m *Mutex) Header() *pb.ResponseHeader { return m.hdr }
-
-type lockerMutex struct{ *Mutex }
-
-func (lm *lockerMutex) Lock() {
-	client := lm.s.Client()
-	if err := lm.Mutex.Lock(client.Ctx()); err != nil {
-		panic(err)
-	}
-}
-func (lm *lockerMutex) Unlock() {
-	client := lm.s.Client()
-	if err := lm.Mutex.Unlock(client.Ctx()); err != nil {
-		panic(err)
-	}
-}
-
-// NewLocker creates a sync.Locker backed by an etcd mutex.
-func NewLocker(s *Session, pfx string) sync.Locker {
-	return &lockerMutex{NewMutex(s, pfx)}
-}
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/session.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/session.go
deleted file mode 100644
index 97eb763..0000000
--- a/vendor/go.etcd.io/etcd/clientv3/concurrency/session.go
+++ /dev/null
@@ -1,141 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// 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 concurrency
-
-import (
-	"context"
-	"time"
-
-	v3 "go.etcd.io/etcd/clientv3"
-)
-
-const defaultSessionTTL = 60
-
-// Session represents a lease kept alive for the lifetime of a client.
-// Fault-tolerant applications may use sessions to reason about liveness.
-type Session struct {
-	client *v3.Client
-	opts   *sessionOptions
-	id     v3.LeaseID
-
-	cancel context.CancelFunc
-	donec  <-chan struct{}
-}
-
-// NewSession gets the leased session for a client.
-func NewSession(client *v3.Client, opts ...SessionOption) (*Session, error) {
-	ops := &sessionOptions{ttl: defaultSessionTTL, ctx: client.Ctx()}
-	for _, opt := range opts {
-		opt(ops)
-	}
-
-	id := ops.leaseID
-	if id == v3.NoLease {
-		resp, err := client.Grant(ops.ctx, int64(ops.ttl))
-		if err != nil {
-			return nil, err
-		}
-		id = resp.ID
-	}
-
-	ctx, cancel := context.WithCancel(ops.ctx)
-	keepAlive, err := client.KeepAlive(ctx, id)
-	if err != nil || keepAlive == nil {
-		cancel()
-		return nil, err
-	}
-
-	donec := make(chan struct{})
-	s := &Session{client: client, opts: ops, id: id, cancel: cancel, donec: donec}
-
-	// keep the lease alive until client error or cancelled context
-	go func() {
-		defer close(donec)
-		for range keepAlive {
-			// eat messages until keep alive channel closes
-		}
-	}()
-
-	return s, nil
-}
-
-// Client is the etcd client that is attached to the session.
-func (s *Session) Client() *v3.Client {
-	return s.client
-}
-
-// Lease is the lease ID for keys bound to the session.
-func (s *Session) Lease() v3.LeaseID { return s.id }
-
-// Done returns a channel that closes when the lease is orphaned, expires, or
-// is otherwise no longer being refreshed.
-func (s *Session) Done() <-chan struct{} { return s.donec }
-
-// Orphan ends the refresh for the session lease. This is useful
-// in case the state of the client connection is indeterminate (revoke
-// would fail) or when transferring lease ownership.
-func (s *Session) Orphan() {
-	s.cancel()
-	<-s.donec
-}
-
-// Close orphans the session and revokes the session lease.
-func (s *Session) Close() error {
-	s.Orphan()
-	// if revoke takes longer than the ttl, lease is expired anyway
-	ctx, cancel := context.WithTimeout(s.opts.ctx, time.Duration(s.opts.ttl)*time.Second)
-	_, err := s.client.Revoke(ctx, s.id)
-	cancel()
-	return err
-}
-
-type sessionOptions struct {
-	ttl     int
-	leaseID v3.LeaseID
-	ctx     context.Context
-}
-
-// SessionOption configures Session.
-type SessionOption func(*sessionOptions)
-
-// WithTTL configures the session's TTL in seconds.
-// If TTL is <= 0, the default 60 seconds TTL will be used.
-func WithTTL(ttl int) SessionOption {
-	return func(so *sessionOptions) {
-		if ttl > 0 {
-			so.ttl = ttl
-		}
-	}
-}
-
-// WithLease specifies the existing leaseID to be used for the session.
-// This is useful in process restart scenario, for example, to reclaim
-// leadership from an election prior to restart.
-func WithLease(leaseID v3.LeaseID) SessionOption {
-	return func(so *sessionOptions) {
-		so.leaseID = leaseID
-	}
-}
-
-// WithContext assigns a context to the session instead of defaulting to
-// using the client context. This is useful for canceling NewSession and
-// Close operations immediately without having to close the client. If the
-// context is canceled before Close() completes, the session's lease will be
-// abandoned and left to expire instead of being revoked.
-func WithContext(ctx context.Context) SessionOption {
-	return func(so *sessionOptions) {
-		so.ctx = ctx
-	}
-}
diff --git a/vendor/go.etcd.io/etcd/clientv3/concurrency/stm.go b/vendor/go.etcd.io/etcd/clientv3/concurrency/stm.go
deleted file mode 100644
index ee11510..0000000
--- a/vendor/go.etcd.io/etcd/clientv3/concurrency/stm.go
+++ /dev/null
@@ -1,387 +0,0 @@
-// Copyright 2016 The etcd Authors
-//
-// 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 concurrency
-
-import (
-	"context"
-	"math"
-
-	v3 "go.etcd.io/etcd/clientv3"
-)
-
-// STM is an interface for software transactional memory.
-type STM interface {
-	// Get returns the value for a key and inserts the key in the txn's read set.
-	// If Get fails, it aborts the transaction with an error, never returning.
-	Get(key ...string) string
-	// Put adds a value for a key to the write set.
-	Put(key, val string, opts ...v3.OpOption)
-	// Rev returns the revision of a key in the read set.
-	Rev(key string) int64
-	// Del deletes a key.
-	Del(key string)
-
-	// commit attempts to apply the txn's changes to the server.
-	commit() *v3.TxnResponse
-	reset()
-}
-
-// Isolation is an enumeration of transactional isolation levels which
-// describes how transactions should interfere and conflict.
-type Isolation int
-
-const (
-	// SerializableSnapshot provides serializable isolation and also checks
-	// for write conflicts.
-	SerializableSnapshot Isolation = iota
-	// Serializable reads within the same transaction attempt return data
-	// from the at the revision of the first read.
-	Serializable
-	// RepeatableReads reads within the same transaction attempt always
-	// return the same data.
-	RepeatableReads
-	// ReadCommitted reads keys from any committed revision.
-	ReadCommitted
-)
-
-// stmError safely passes STM errors through panic to the STM error channel.
-type stmError struct{ err error }
-
-type stmOptions struct {
-	iso      Isolation
-	ctx      context.Context
-	prefetch []string
-}
-
-type stmOption func(*stmOptions)
-
-// WithIsolation specifies the transaction isolation level.
-func WithIsolation(lvl Isolation) stmOption {
-	return func(so *stmOptions) { so.iso = lvl }
-}
-
-// WithAbortContext specifies the context for permanently aborting the transaction.
-func WithAbortContext(ctx context.Context) stmOption {
-	return func(so *stmOptions) { so.ctx = ctx }
-}
-
-// WithPrefetch is a hint to prefetch a list of keys before trying to apply.
-// If an STM transaction will unconditionally fetch a set of keys, prefetching
-// those keys will save the round-trip cost from requesting each key one by one
-// with Get().
-func WithPrefetch(keys ...string) stmOption {
-	return func(so *stmOptions) { so.prefetch = append(so.prefetch, keys...) }
-}
-
-// NewSTM initiates a new STM instance, using serializable snapshot isolation by default.
-func NewSTM(c *v3.Client, apply func(STM) error, so ...stmOption) (*v3.TxnResponse, error) {
-	opts := &stmOptions{ctx: c.Ctx()}
-	for _, f := range so {
-		f(opts)
-	}
-	if len(opts.prefetch) != 0 {
-		f := apply
-		apply = func(s STM) error {
-			s.Get(opts.prefetch...)
-			return f(s)
-		}
-	}
-	return runSTM(mkSTM(c, opts), apply)
-}
-
-func mkSTM(c *v3.Client, opts *stmOptions) STM {
-	switch opts.iso {
-	case SerializableSnapshot:
-		s := &stmSerializable{
-			stm:      stm{client: c, ctx: opts.ctx},
-			prefetch: make(map[string]*v3.GetResponse),
-		}
-		s.conflicts = func() []v3.Cmp {
-			return append(s.rset.cmps(), s.wset.cmps(s.rset.first()+1)...)
-		}
-		return s
-	case Serializable:
-		s := &stmSerializable{
-			stm:      stm{client: c, ctx: opts.ctx},
-			prefetch: make(map[string]*v3.GetResponse),
-		}
-		s.conflicts = func() []v3.Cmp { return s.rset.cmps() }
-		return s
-	case RepeatableReads:
-		s := &stm{client: c, ctx: opts.ctx, getOpts: []v3.OpOption{v3.WithSerializable()}}
-		s.conflicts = func() []v3.Cmp { return s.rset.cmps() }
-		return s
-	case ReadCommitted:
-		s := &stm{client: c, ctx: opts.ctx, getOpts: []v3.OpOption{v3.WithSerializable()}}
-		s.conflicts = func() []v3.Cmp { return nil }
-		return s
-	default:
-		panic("unsupported stm")
-	}
-}
-
-type stmResponse struct {
-	resp *v3.TxnResponse
-	err  error
-}
-
-func runSTM(s STM, apply func(STM) error) (*v3.TxnResponse, error) {
-	outc := make(chan stmResponse, 1)
-	go func() {
-		defer func() {
-			if r := recover(); r != nil {
-				e, ok := r.(stmError)
-				if !ok {
-					// client apply panicked
-					panic(r)
-				}
-				outc <- stmResponse{nil, e.err}
-			}
-		}()
-		var out stmResponse
-		for {
-			s.reset()
-			if out.err = apply(s); out.err != nil {
-				break
-			}
-			if out.resp = s.commit(); out.resp != nil {
-				break
-			}
-		}
-		outc <- out
-	}()
-	r := <-outc
-	return r.resp, r.err
-}
-
-// stm implements repeatable-read software transactional memory over etcd
-type stm struct {
-	client *v3.Client
-	ctx    context.Context
-	// rset holds read key values and revisions
-	rset readSet
-	// wset holds overwritten keys and their values
-	wset writeSet
-	// getOpts are the opts used for gets
-	getOpts []v3.OpOption
-	// conflicts computes the current conflicts on the txn
-	conflicts func() []v3.Cmp
-}
-
-type stmPut struct {
-	val string
-	op  v3.Op
-}
-
-type readSet map[string]*v3.GetResponse
-
-func (rs readSet) add(keys []string, txnresp *v3.TxnResponse) {
-	for i, resp := range txnresp.Responses {
-		rs[keys[i]] = (*v3.GetResponse)(resp.GetResponseRange())
-	}
-}
-
-// first returns the store revision from the first fetch
-func (rs readSet) first() int64 {
-	ret := int64(math.MaxInt64 - 1)
-	for _, resp := range rs {
-		if rev := resp.Header.Revision; rev < ret {
-			ret = rev
-		}
-	}
-	return ret
-}
-
-// cmps guards the txn from updates to read set
-func (rs readSet) cmps() []v3.Cmp {
-	cmps := make([]v3.Cmp, 0, len(rs))
-	for k, rk := range rs {
-		cmps = append(cmps, isKeyCurrent(k, rk))
-	}
-	return cmps
-}
-
-type writeSet map[string]stmPut
-
-func (ws writeSet) get(keys ...string) *stmPut {
-	for _, key := range keys {
-		if wv, ok := ws[key]; ok {
-			return &wv
-		}
-	}
-	return nil
-}
-
-// cmps returns a cmp list testing no writes have happened past rev
-func (ws writeSet) cmps(rev int64) []v3.Cmp {
-	cmps := make([]v3.Cmp, 0, len(ws))
-	for key := range ws {
-		cmps = append(cmps, v3.Compare(v3.ModRevision(key), "<", rev))
-	}
-	return cmps
-}
-
-// puts is the list of ops for all pending writes
-func (ws writeSet) puts() []v3.Op {
-	puts := make([]v3.Op, 0, len(ws))
-	for _, v := range ws {
-		puts = append(puts, v.op)
-	}
-	return puts
-}
-
-func (s *stm) Get(keys ...string) string {
-	if wv := s.wset.get(keys...); wv != nil {
-		return wv.val
-	}
-	return respToValue(s.fetch(keys...))
-}
-
-func (s *stm) Put(key, val string, opts ...v3.OpOption) {
-	s.wset[key] = stmPut{val, v3.OpPut(key, val, opts...)}
-}
-
-func (s *stm) Del(key string) { s.wset[key] = stmPut{"", v3.OpDelete(key)} }
-
-func (s *stm) Rev(key string) int64 {
-	if resp := s.fetch(key); resp != nil && len(resp.Kvs) != 0 {
-		return resp.Kvs[0].ModRevision
-	}
-	return 0
-}
-
-func (s *stm) commit() *v3.TxnResponse {
-	txnresp, err := s.client.Txn(s.ctx).If(s.conflicts()...).Then(s.wset.puts()...).Commit()
-	if err != nil {
-		panic(stmError{err})
-	}
-	if txnresp.Succeeded {
-		return txnresp
-	}
-	return nil
-}
-
-func (s *stm) fetch(keys ...string) *v3.GetResponse {
-	if len(keys) == 0 {
-		return nil
-	}
-	ops := make([]v3.Op, len(keys))
-	for i, key := range keys {
-		if resp, ok := s.rset[key]; ok {
-			return resp
-		}
-		ops[i] = v3.OpGet(key, s.getOpts...)
-	}
-	txnresp, err := s.client.Txn(s.ctx).Then(ops...).Commit()
-	if err != nil {
-		panic(stmError{err})
-	}
-	s.rset.add(keys, txnresp)
-	return (*v3.GetResponse)(txnresp.Responses[0].GetResponseRange())
-}
-
-func (s *stm) reset() {
-	s.rset = make(map[string]*v3.GetResponse)
-	s.wset = make(map[string]stmPut)
-}
-
-type stmSerializable struct {
-	stm
-	prefetch map[string]*v3.GetResponse
-}
-
-func (s *stmSerializable) Get(keys ...string) string {
-	if wv := s.wset.get(keys...); wv != nil {
-		return wv.val
-	}
-	firstRead := len(s.rset) == 0
-	for _, key := range keys {
-		if resp, ok := s.prefetch[key]; ok {
-			delete(s.prefetch, key)
-			s.rset[key] = resp
-		}
-	}
-	resp := s.stm.fetch(keys...)
-	if firstRead {
-		// txn's base revision is defined by the first read
-		s.getOpts = []v3.OpOption{
-			v3.WithRev(resp.Header.Revision),
-			v3.WithSerializable(),
-		}
-	}
-	return respToValue(resp)
-}
-
-func (s *stmSerializable) Rev(key string) int64 {
-	s.Get(key)
-	return s.stm.Rev(key)
-}
-
-func (s *stmSerializable) gets() ([]string, []v3.Op) {
-	keys := make([]string, 0, len(s.rset))
-	ops := make([]v3.Op, 0, len(s.rset))
-	for k := range s.rset {
-		keys = append(keys, k)
-		ops = append(ops, v3.OpGet(k))
-	}
-	return keys, ops
-}
-
-func (s *stmSerializable) commit() *v3.TxnResponse {
-	keys, getops := s.gets()
-	txn := s.client.Txn(s.ctx).If(s.conflicts()...).Then(s.wset.puts()...)
-	// use Else to prefetch keys in case of conflict to save a round trip
-	txnresp, err := txn.Else(getops...).Commit()
-	if err != nil {
-		panic(stmError{err})
-	}
-	if txnresp.Succeeded {
-		return txnresp
-	}
-	// load prefetch with Else data
-	s.rset.add(keys, txnresp)
-	s.prefetch = s.rset
-	s.getOpts = nil
-	return nil
-}
-
-func isKeyCurrent(k string, r *v3.GetResponse) v3.Cmp {
-	if len(r.Kvs) != 0 {
-		return v3.Compare(v3.ModRevision(k), "=", r.Kvs[0].ModRevision)
-	}
-	return v3.Compare(v3.ModRevision(k), "=", 0)
-}
-
-func respToValue(resp *v3.GetResponse) string {
-	if resp == nil || len(resp.Kvs) == 0 {
-		return ""
-	}
-	return string(resp.Kvs[0].Value)
-}
-
-// NewSTMRepeatable is deprecated.
-func NewSTMRepeatable(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) {
-	return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(RepeatableReads))
-}
-
-// NewSTMSerializable is deprecated.
-func NewSTMSerializable(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) {
-	return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(Serializable))
-}
-
-// NewSTMReadCommitted is deprecated.
-func NewSTMReadCommitted(ctx context.Context, c *v3.Client, apply func(STM) error) (*v3.TxnResponse, error) {
-	return NewSTM(c, apply, WithAbortContext(ctx), WithIsolation(ReadCommitted))
-}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 7d23c9d..6a25a45 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -30,15 +30,15 @@
 ## explicit
 github.com/opencord/goloxi
 github.com/opencord/goloxi/of13
-# github.com/opencord/voltha-lib-go/v4 v4.2.3
+# github.com/opencord/voltha-lib-go/v5 v5.0.4
 ## explicit
-github.com/opencord/voltha-lib-go/v4/pkg/config
-github.com/opencord/voltha-lib-go/v4/pkg/db
-github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore
-github.com/opencord/voltha-lib-go/v4/pkg/log
-github.com/opencord/voltha-lib-go/v4/pkg/probe
-github.com/opencord/voltha-lib-go/v4/pkg/version
-# github.com/opencord/voltha-protos/v4 v4.1.0
+github.com/opencord/voltha-lib-go/v5/pkg/config
+github.com/opencord/voltha-lib-go/v5/pkg/db
+github.com/opencord/voltha-lib-go/v5/pkg/db/kvstore
+github.com/opencord/voltha-lib-go/v5/pkg/log
+github.com/opencord/voltha-lib-go/v5/pkg/probe
+github.com/opencord/voltha-lib-go/v5/pkg/version
+# github.com/opencord/voltha-protos/v4 v4.2.0
 ## explicit
 github.com/opencord/voltha-protos/v4/go/common
 github.com/opencord/voltha-protos/v4/go/ext/config
@@ -85,7 +85,6 @@
 go.etcd.io/etcd/clientv3/balancer/connectivity
 go.etcd.io/etcd/clientv3/balancer/picker
 go.etcd.io/etcd/clientv3/balancer/resolver/endpoint
-go.etcd.io/etcd/clientv3/concurrency
 go.etcd.io/etcd/clientv3/credentials
 go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes
 go.etcd.io/etcd/etcdserver/etcdserverpb