remove direct deps on github.com/golang/protobuf

it is outdated and replaced by google.golang.org/protobuf

go.mod

@@ -5,12 +5,12 @@ go 1.21
 require (
 	github.com/container-storage-interface/spec v1.9.1-0.20240314114506-2696773158b9
 	github.com/golang/glog v1.2.1
-	github.com/golang/protobuf v1.5.4
 	github.com/kubernetes-csi/csi-lib-utils v0.17.0
 	github.com/pborman/uuid v1.2.1
 	github.com/stretchr/testify v1.9.0
 	golang.org/x/net v0.26.0
 	google.golang.org/grpc v1.64.0
+	google.golang.org/protobuf v1.33.0
 	k8s.io/apimachinery v0.29.0
 	k8s.io/klog/v2 v2.130.0
 	k8s.io/kubernetes v1.29.2
@@ -24,6 +24,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
@@ -37,7 +38,6 @@ require (
 	golang.org/x/sys v0.21.0 // indirect
 	golang.org/x/text v0.16.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240318140521-94a12d6c2237 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

pkg/hostpath/controllerserver.go

@@ -23,14 +23,13 @@ import (
 	"sort"
 	"strconv"
 
-	"github.com/golang/protobuf/ptypes"
-
 	"github.com/golang/glog"
-	"github.com/golang/protobuf/ptypes/wrappers"
 	"github.com/pborman/uuid"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
+	"google.golang.org/protobuf/types/known/wrapperspb"
 
 	"github.com/container-storage-interface/spec/lib/go/csi"
 	"k8s.io/apimachinery/pkg/util/sets"
@@ -398,11 +397,11 @@ func (hp *hostPath) GetCapacity(ctx context.Context, req *csi.GetCapacityRequest
 
 	return &csi.GetCapacityResponse{
 		AvailableCapacity: available,
-		MaximumVolumeSize: &wrappers.Int64Value{Value: maxVolumeSize},
+		MaximumVolumeSize: &wrapperspb.Int64Value{Value: maxVolumeSize},
 
 		// We don't have a minimum volume size, so we might as well report that.
 		// Better explicit than implicit...
-		MinimumVolumeSize: &wrappers.Int64Value{Value: 0},
+		MinimumVolumeSize: &wrapperspb.Int64Value{Value: 0},
 	}, nil
 }
 
@@ -585,7 +584,7 @@ func (hp *hostPath) CreateSnapshot(ctx context.Context, req *csi.CreateSnapshotR
 	}
 
 	snapshotID := uuid.NewUUID().String()
-	creationTime := ptypes.TimestampNow()
+	creationTime := timestamppb.Now()
 	file := hp.getSnapshotPath(snapshotID)
 
 	if err := hp.createSnapshotFromVolume(hostPathVolume, file); err != nil {

pkg/hostpath/groupcontrollerserver.go

@@ -21,11 +21,11 @@ import (
 
 	"github.com/container-storage-interface/spec/lib/go/csi"
 	"github.com/golang/glog"
-	"github.com/golang/protobuf/ptypes"
 	"github.com/pborman/uuid"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
 
 	"github.com/kubernetes-csi/csi-driver-host-path/pkg/state"
 )
@@ -104,7 +104,7 @@ func (hp *hostPath) CreateVolumeGroupSnapshot(ctx context.Context, req *csi.Crea
 	groupSnapshot := state.GroupSnapshot{
 		Name:            req.GetName(),
 		Id:              uuid.NewUUID().String(),
-		CreationTime:    ptypes.TimestampNow(),
+		CreationTime:    timestamppb.Now(),
 		SnapshotIDs:     make([]string, len(req.GetSourceVolumeIds())),
 		SourceVolumeIDs: make([]string, len(req.GetSourceVolumeIds())),
 		ReadyToUse:      true,

pkg/state/state.go

@@ -24,9 +24,9 @@ import (
 	"os"
 	"sort"
 
-	timestamp "github.com/golang/protobuf/ptypes/timestamp"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
 type AccessType int
@@ -63,7 +63,7 @@ type Snapshot struct {
 	Id              string
 	VolID           string
 	Path            string
-	CreationTime    *timestamp.Timestamp
+	CreationTime    *timestamppb.Timestamp
 	SizeBytes       int64
 	ReadyToUse      bool
 	GroupSnapshotID string
@@ -74,7 +74,7 @@ type GroupSnapshot struct {
 	Id              string
 	SnapshotIDs     []string
 	SourceVolumeIDs []string
-	CreationTime    *timestamp.Timestamp
+	CreationTime    *timestamppb.Timestamp
 	ReadyToUse      bool
 }