refactor: add ProtoClone helper function to clone gRPC structs

Signed-off-by: Boris Glimcher <Boris.Glimcher@emc.com>

pkg/evpn/bridge.go

@@ -22,7 +22,6 @@ import (
 	"go.einride.tech/aip/resourcename"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
@@ -94,7 +93,7 @@ func (s *Server) CreateLogicalBridge(_ context.Context, in *pb.CreateLogicalBrid
 		}
 		// TODO: bridge link set dev vxlan-<LB-vlan-id> neigh_suppress on
 	}
-	response := proto.Clone(in.LogicalBridge).(*pb.LogicalBridge)
+	response := protoClone(in.LogicalBridge)
 	response.Status = &pb.LogicalBridgeStatus{OperStatus: pb.LBOperStatus_LB_OPER_STATUS_UP}
 	s.Bridges[in.LogicalBridge.Name] = response
 	log.Printf("CreateLogicalBridge: Sending to client: %v", response)
@@ -198,7 +197,7 @@ func (s *Server) UpdateLogicalBridge(_ context.Context, in *pb.UpdateLogicalBrid
 			return nil, err
 		}
 	}
-	response := proto.Clone(in.LogicalBridge).(*pb.LogicalBridge)
+	response := protoClone(in.LogicalBridge)
 	response.Status = &pb.LogicalBridgeStatus{OperStatus: pb.LBOperStatus_LB_OPER_STATUS_UP}
 	s.Bridges[in.LogicalBridge.Name] = response
 	log.Printf("UpdateLogicalBridge: Sending to client: %v", response)

pkg/evpn/bridge_test.go

@@ -192,11 +192,11 @@ func Test_CreateLogicalBridge(t *testing.T) {
 			client := pb.NewLogicalBridgeServiceClient(conn)
 
 			if tt.exist {
-				opi.Bridges[testLogicalBridgeName] = proto.Clone(&testLogicalBridge).(*pb.LogicalBridge)
+				opi.Bridges[testLogicalBridgeName] = protoClone(&testLogicalBridge)
 				opi.Bridges[testLogicalBridgeName].Name = testLogicalBridgeName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.LogicalBridge)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testLogicalBridgeName
 			}
 
@@ -325,7 +325,7 @@ func Test_DeleteLogicalBridge(t *testing.T) {
 			client := pb.NewLogicalBridgeServiceClient(conn)
 
 			fname1 := resourceIDToFullName("bridges", tt.in)
-			opi.Bridges[testLogicalBridgeName] = proto.Clone(&testLogicalBridge).(*pb.LogicalBridge)
+			opi.Bridges[testLogicalBridgeName] = protoClone(&testLogicalBridge)
 
 			request := &pb.DeleteLogicalBridgeRequest{Name: fname1, AllowMissing: tt.missing}
 			response, err := client.DeleteLogicalBridge(ctx, request)
@@ -414,11 +414,11 @@ func Test_UpdateLogicalBridge(t *testing.T) {
 			client := pb.NewLogicalBridgeServiceClient(conn)
 
 			if tt.exist {
-				opi.Bridges[testLogicalBridgeName] = proto.Clone(&testLogicalBridge).(*pb.LogicalBridge)
+				opi.Bridges[testLogicalBridgeName] = protoClone(&testLogicalBridge)
 				opi.Bridges[testLogicalBridgeName].Name = testLogicalBridgeName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.LogicalBridge)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testLogicalBridgeName
 			}
 
@@ -494,7 +494,7 @@ func Test_GetLogicalBridge(t *testing.T) {
 			}(conn)
 			client := pb.NewLogicalBridgeServiceClient(conn)
 
-			opi.Bridges[testLogicalBridgeID] = proto.Clone(&testLogicalBridge).(*pb.LogicalBridge)
+			opi.Bridges[testLogicalBridgeID] = protoClone(&testLogicalBridge)
 
 			request := &pb.GetLogicalBridgeRequest{Name: tt.in}
 			response, err := client.GetLogicalBridge(ctx, request)

pkg/evpn/evpn.go

@@ -10,6 +10,8 @@ import (
 	"fmt"
 	"log"
 
+	"google.golang.org/protobuf/proto"
+
 	pe "github.com/opiproject/opi-api/network/evpn-gw/v1alpha1/gen/go"
 
 	"github.com/opiproject/opi-evpn-bridge/pkg/utils"
@@ -57,6 +59,10 @@ func resourceIDToFullName(container string, resourceID string) string {
 	return fmt.Sprintf("//network.opiproject.org/%s/%s", container, resourceID)
 }
 
+func protoClone[T proto.Message](protoStruct T) T {
+	return proto.Clone(protoStruct).(T)
+}
+
 func generateRandMAC() ([]byte, error) {
 	buf := make([]byte, 6)
 	if _, err := rand.Read(buf); err != nil {

pkg/evpn/port.go

@@ -21,7 +21,6 @@ import (
 	"go.einride.tech/aip/resourcename"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
@@ -119,7 +118,7 @@ func (s *Server) CreateBridgePort(_ context.Context, in *pb.CreateBridgePortRequ
 		fmt.Printf("Failed to up iface link: %v", err)
 		return nil, err
 	}
-	response := proto.Clone(in.BridgePort).(*pb.BridgePort)
+	response := protoClone(in.BridgePort)
 	response.Status = &pb.BridgePortStatus{OperStatus: pb.BPOperStatus_BP_OPER_STATUS_UP}
 	s.Ports[in.BridgePort.Name] = response
 	log.Printf("CreateBridgePort: Sending to client: %v", response)
@@ -226,7 +225,7 @@ func (s *Server) UpdateBridgePort(_ context.Context, in *pb.UpdateBridgePortRequ
 		fmt.Printf("Failed to update link: %v", err)
 		return nil, err
 	}
-	response := proto.Clone(in.BridgePort).(*pb.BridgePort)
+	response := protoClone(in.BridgePort)
 	response.Status = &pb.BridgePortStatus{OperStatus: pb.BPOperStatus_BP_OPER_STATUS_UP}
 	s.Ports[in.BridgePort.Name] = response
 	log.Printf("UpdateBridgePort: Sending to client: %v", response)

pkg/evpn/port_test.go

@@ -141,11 +141,11 @@ func Test_CreateBridgePort(t *testing.T) {
 			client := pb.NewBridgePortServiceClient(conn)
 
 			if tt.exist {
-				opi.Ports[testBridgePortName] = proto.Clone(&testBridgePort).(*pb.BridgePort)
+				opi.Ports[testBridgePortName] = protoClone(&testBridgePort)
 				opi.Ports[testBridgePortName].Name = testBridgePortName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.BridgePort)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testBridgePortName
 			}
 
@@ -235,7 +235,7 @@ func Test_DeleteBridgePort(t *testing.T) {
 			client := pb.NewBridgePortServiceClient(conn)
 
 			fname1 := resourceIDToFullName("ports", tt.in)
-			opi.Ports[testBridgePortName] = proto.Clone(&testBridgePort).(*pb.BridgePort)
+			opi.Ports[testBridgePortName] = protoClone(&testBridgePort)
 
 			request := &pb.DeleteBridgePortRequest{Name: fname1, AllowMissing: tt.missing}
 			response, err := client.DeleteBridgePort(ctx, request)
@@ -325,11 +325,11 @@ func Test_UpdateBridgePort(t *testing.T) {
 			client := pb.NewBridgePortServiceClient(conn)
 
 			if tt.exist {
-				opi.Ports[testBridgePortName] = proto.Clone(&testBridgePort).(*pb.BridgePort)
+				opi.Ports[testBridgePortName] = protoClone(&testBridgePort)
 				opi.Ports[testBridgePortName].Name = testBridgePortName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.BridgePort)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testBridgePortName
 			}
 
@@ -405,7 +405,7 @@ func Test_GetBridgePort(t *testing.T) {
 			}(conn)
 			client := pb.NewBridgePortServiceClient(conn)
 
-			opi.Ports[testBridgePortID] = proto.Clone(&testBridgePort).(*pb.BridgePort)
+			opi.Ports[testBridgePortID] = protoClone(&testBridgePort)
 
 			request := &pb.GetBridgePortRequest{Name: tt.in}
 			response, err := client.GetBridgePort(ctx, request)

pkg/evpn/svi.go

@@ -23,7 +23,6 @@ import (
 	"go.einride.tech/aip/resourcename"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
@@ -133,7 +132,7 @@ func (s *Server) CreateSvi(_ context.Context, in *pb.CreateSviRequest) (*pb.Svi,
 		fmt.Printf("Failed to up link: %v", err)
 		return nil, err
 	}
-	response := proto.Clone(in.Svi).(*pb.Svi)
+	response := protoClone(in.Svi)
 	response.Status = &pb.SviStatus{OperStatus: pb.SVIOperStatus_SVI_OPER_STATUS_UP}
 	s.Svis[in.Svi.Name] = response
 	log.Printf("CreateSvi: Sending to client: %v", response)
@@ -252,7 +251,7 @@ func (s *Server) UpdateSvi(_ context.Context, in *pb.UpdateSviRequest) (*pb.Svi,
 		fmt.Printf("Failed to update link: %v", err)
 		return nil, err
 	}
-	response := proto.Clone(in.Svi).(*pb.Svi)
+	response := protoClone(in.Svi)
 	response.Status = &pb.SviStatus{OperStatus: pb.SVIOperStatus_SVI_OPER_STATUS_UP}
 	s.Svis[in.Svi.Name] = response
 	log.Printf("UpdateSvi: Sending to client: %v", response)

pkg/evpn/svi_test.go

@@ -243,15 +243,15 @@ func Test_CreateSvi(t *testing.T) {
 			client := pb.NewSviServiceClient(conn)
 
 			if tt.exist {
-				opi.Svis[testSviName] = proto.Clone(&testSvi).(*pb.Svi)
+				opi.Svis[testSviName] = protoClone(&testSvi)
 				opi.Svis[testSviName].Name = testSviName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.Svi)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testSviName
 			}
-			opi.Vrfs[testVrfName] = proto.Clone(&testVrf).(*pb.Vrf)
-			opi.Bridges[testLogicalBridgeName] = proto.Clone(&testLogicalBridge).(*pb.LogicalBridge)
+			opi.Vrfs[testVrfName] = protoClone(&testVrf)
+			opi.Bridges[testLogicalBridgeName] = protoClone(&testLogicalBridge)
 
 			// TODO: refactor this mocking
 			if strings.Contains(name, "failed LinkByName") {
@@ -367,7 +367,7 @@ func Test_DeleteSvi(t *testing.T) {
 			client := pb.NewSviServiceClient(conn)
 
 			fname1 := resourceIDToFullName("svis", tt.in)
-			opi.Svis[testSviName] = proto.Clone(&testSvi).(*pb.Svi)
+			opi.Svis[testSviName] = protoClone(&testSvi)
 
 			request := &pb.DeleteSviRequest{Name: fname1, AllowMissing: tt.missing}
 			response, err := client.DeleteSvi(ctx, request)
@@ -458,11 +458,11 @@ func Test_UpdateSvi(t *testing.T) {
 			client := pb.NewSviServiceClient(conn)
 
 			if tt.exist {
-				opi.Svis[testSviName] = proto.Clone(&testSvi).(*pb.Svi)
+				opi.Svis[testSviName] = protoClone(&testSvi)
 				opi.Svis[testSviName].Name = testSviName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.Svi)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testSviName
 			}
 
@@ -538,7 +538,7 @@ func Test_GetSvi(t *testing.T) {
 			}(conn)
 			client := pb.NewSviServiceClient(conn)
 
-			opi.Svis[testSviName] = proto.Clone(&testSvi).(*pb.Svi)
+			opi.Svis[testSviName] = protoClone(&testSvi)
 
 			request := &pb.GetSviRequest{Name: tt.in}
 			response, err := client.GetSvi(ctx, request)

pkg/evpn/vrf.go

@@ -24,7 +24,6 @@ import (
 	"go.einride.tech/aip/resourcename"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/emptypb"
 )
 
@@ -140,7 +139,7 @@ func (s *Server) CreateVrf(_ context.Context, in *pb.CreateVrfRequest) (*pb.Vrf,
 			return nil, err
 		}
 	}
-	response := proto.Clone(in.Vrf).(*pb.Vrf)
+	response := protoClone(in.Vrf)
 	response.Status = &pb.VrfStatus{LocalAs: 4, RoutingTable: tableID, Rmac: mac}
 	s.Vrfs[in.Vrf.Name] = response
 	log.Printf("CreateVrf: Sending to client: %v", response)
@@ -274,7 +273,7 @@ func (s *Server) UpdateVrf(_ context.Context, in *pb.UpdateVrfRequest) (*pb.Vrf,
 		fmt.Printf("Failed to update link: %v", err)
 		return nil, err
 	}
-	response := proto.Clone(in.Vrf).(*pb.Vrf)
+	response := protoClone(in.Vrf)
 	response.Status = &pb.VrfStatus{LocalAs: 4}
 	s.Vrfs[in.Vrf.Name] = response
 	log.Printf("UpdateVrf: Sending to client: %v", response)

pkg/evpn/vrf_test.go

@@ -174,11 +174,11 @@ func Test_CreateVrf(t *testing.T) {
 			client := pb.NewVrfServiceClient(conn)
 
 			if tt.exist {
-				opi.Vrfs[testVrfName] = proto.Clone(&testVrf).(*pb.Vrf)
+				opi.Vrfs[testVrfName] = protoClone(&testVrf)
 				opi.Vrfs[testVrfName].Name = testVrfName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.Vrf)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testVrfName
 			}
 
@@ -298,7 +298,7 @@ func Test_DeleteVrf(t *testing.T) {
 			client := pb.NewVrfServiceClient(conn)
 
 			fname1 := resourceIDToFullName("vrfs", tt.in)
-			opi.Vrfs[testVrfName] = proto.Clone(&testVrf).(*pb.Vrf)
+			opi.Vrfs[testVrfName] = protoClone(&testVrf)
 
 			request := &pb.DeleteVrfRequest{Name: fname1, AllowMissing: tt.missing}
 			response, err := client.DeleteVrf(ctx, request)
@@ -389,11 +389,11 @@ func Test_UpdateVrf(t *testing.T) {
 			client := pb.NewVrfServiceClient(conn)
 
 			if tt.exist {
-				opi.Vrfs[testVrfName] = proto.Clone(&testVrf).(*pb.Vrf)
+				opi.Vrfs[testVrfName] = protoClone(&testVrf)
 				opi.Vrfs[testVrfName].Name = testVrfName
 			}
 			if tt.out != nil {
-				tt.out = proto.Clone(tt.out).(*pb.Vrf)
+				tt.out = protoClone(tt.out)
 				tt.out.Name = testVrfName
 			}
 
@@ -469,7 +469,7 @@ func Test_GetVrf(t *testing.T) {
 			}(conn)
 			client := pb.NewVrfServiceClient(conn)
 
-			opi.Vrfs[testVrfName] = proto.Clone(&testVrf).(*pb.Vrf)
+			opi.Vrfs[testVrfName] = protoClone(&testVrf)
 
 			request := &pb.GetVrfRequest{Name: tt.in}
 			response, err := client.GetVrf(ctx, request)