Fix: Govulncheck reports errors for csbi

The csbi implementation is currently not supported and therefore the
`Discover` function has been changed to return a `not implemented` error.

csbi/discover.go

@@ -2,40 +2,38 @@ package csbi
 
 import (
 	"context"
-	"reflect"
+	"fmt"
 
-	spb "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/southbound"
 	tpb "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/transport"
-	"code.fbi.h-da.de/danet/gosdn/controller/customerrs"
-	"code.fbi.h-da.de/danet/gosdn/controller/nucleus"
 	"github.com/openconfig/gnmi/proto/gnmi"
 )
 
 // Discover sends a gnmi Capabilities request to the specified target and
 // returns the gnmi.ModelData.
 func Discover(ctx context.Context, opts *tpb.TransportOption) ([]*gnmi.ModelData, error) {
-	sbi, err := nucleus.NewSBI(spb.Type_TYPE_OPENCONFIG)
-	if err != nil {
-		return nil, err
-	}
-	t, err := nucleus.NewTransport(opts, sbi)
-	if err != nil {
-		return nil, err
-	}
-	transport, ok := t.(*nucleus.Gnmi)
-	if !ok {
-		return nil, &customerrs.InvalidTypeAssertionError{}
-	}
-	resp, err := transport.Capabilities(ctx)
-	if err != nil {
-		return nil, err
-	}
-	capabilities, ok := resp.(*gnmi.CapabilityResponse)
-	if !ok {
-		return nil, &customerrs.InvalidTypeAssertionError{
-			Value: resp,
-			Type:  reflect.TypeOf(&gnmi.CapabilityResponse{}),
-		}
-	}
-	return capabilities.SupportedModels, nil
+	//sbi, err := nucleus.NewSBI(spb.Type_TYPE_OPENCONFIG)
+	//if err != nil {
+	//	return nil, err
+	//}
+	//t, err := nucleus.NewTransport(opts, sbi)
+	//if err != nil {
+	//	return nil, err
+	//}
+	//transport, ok := t.(*nucleus.Gnmi)
+	//if !ok {
+	//	return nil, &customerrs.InvalidTypeAssertionError{}
+	//}
+	//resp, err := transport.Capabilities(ctx)
+	//if err != nil {
+	//	return nil, err
+	//}
+	//capabilities, ok := resp.(*gnmi.CapabilityResponse)
+	//if !ok {
+	//	return nil, &customerrs.InvalidTypeAssertionError{
+	//		Value: resp,
+	//		Type:  reflect.TypeOf(&gnmi.CapabilityResponse{}),
+	//	}
+	//}
+	//return capabilities.SupportedModels, nil
+	return nil, fmt.Errorf("currently not implemented")
 }

csbi/grpc.go

@@ -10,7 +10,6 @@ import (
 	"time"
 
 	pb "code.fbi.h-da.de/danet/gosdn/api/go/gosdn/csbi"
-	"code.fbi.h-da.de/danet/gosdn/controller/nucleus/util"
 	"github.com/google/uuid"
 	"github.com/prometheus/client_golang/prometheus"
 	log "github.com/sirupsen/logrus"
@@ -114,17 +113,17 @@ func (s server) GetFile(req *pb.GetPayloadRequest, stream pb.CsbiService_GetFile
 	}()
 
 	switch fn := req.GetFile(); {
-	case fn == util.GoStructName:
+	case fn == gostructName:
 		file, err = os.Open(filepath.Join(req.GetDid(), gostructName))
 		if err != nil {
 			return handleRPCError(labels, err)
 		}
-	case fn == util.ManifestFileName:
+	case fn == manifestFileName:
 		file, err = os.Open(filepath.Join(req.GetDid(), manifestFileName))
 		if err != nil {
 			return handleRPCError(labels, err)
 		}
-	case fn == util.GoStructAdditionsName:
+	case fn == gostructAdditionsName:
 		file, err = os.Open(filepath.Join(req.GetDid(), gostructAdditionsName))
 		if err != nil {
 			return handleRPCError(labels, err)