diff --git a/apiserver/pkg/util/cluster.go b/apiserver/pkg/util/cluster.go
index 7db60207d7b..dbbd5869c6a 100644
--- a/apiserver/pkg/util/cluster.go
+++ b/apiserver/pkg/util/cluster.go
@@ -327,13 +327,23 @@ func buildWorkerPodTemplate(cluster *api.Cluster, spec *api.WorkerGroupSpec, com
 }
 
 func buildVolumeMounts(apiVolumes []*api.Volume) []v1.VolumeMount {
-	var volMounts []v1.VolumeMount
+	var (
+		volMounts       []v1.VolumeMount
+		hostToContainer = v1.MountPropagationHostToContainer
+		bidirectonal    = v1.MountPropagationBidirectional
+	)
 	for _, vol := range apiVolumes {
 		volMount := v1.VolumeMount{
 			Name:      vol.Name,
 			ReadOnly:  vol.ReadOnly,
 			MountPath: vol.MountPath,
 		}
+		switch vol.MountPropagationMode {
+		case api.Volume_HOSTTOCONTAINER:
+			volMount.MountPropagation = &hostToContainer
+		case api.Volume_BIDIRECTIONAL:
+			volMount.MountPropagation = &bidirectonal
+		}
 		volMounts = append(volMounts, volMount)
 	}
 	return volMounts
@@ -354,10 +364,17 @@ func buildVols(apiVolumes []*api.Volume) []v1.Volume {
 				VolumeSource: v1.VolumeSource{
 					HostPath: &v1.HostPathVolumeSource{
 						Path: rayVol.Source,
-						Type: newHostPathType(string(v1.HostPathDirectory)),
 					},
 				},
 			}
+			switch rayVol.HostPathType {
+			case api.Volume_DIRECTORY:
+				vol.VolumeSource.HostPath.Type = newHostPathType(string(v1.HostPathDirectory))
+			case api.Volume_FILE:
+				vol.VolumeSource.HostPath.Type = newHostPathType(string(v1.HostPathFile))
+			default:
+				vol.VolumeSource.HostPath.Type = newHostPathType(string(v1.HostPathDirectory))
+			}
 			vols = append(vols, vol)
 		}
 		// TODO(Jeffwan@): handle PVC in the future
diff --git a/apiserver/pkg/util/cluster_test.go b/apiserver/pkg/util/cluster_test.go
index ce9d066daca..5b76054c7d0 100644
--- a/apiserver/pkg/util/cluster_test.go
+++ b/apiserver/pkg/util/cluster_test.go
@@ -16,7 +16,19 @@ var testVolume = &api.Volume{
 	ReadOnly:   true,
 }
 
-func TestBuildVolumeMounts(t *testing.T) {
+// There is only an fake case for test both MountPropagationMode and file type
+// in real case hostToContainer mode may only valid for directory
+var testFileVolume = &api.Volume{
+	Name:                 "test-file",
+	VolumeType:           api.Volume_HOST_PATH,
+	MountPropagationMode: api.Volume_HOSTTOCONTAINER,
+	Source:               "/root/proc/stat",
+	MountPath:            "/proc/stat",
+	HostPathType:         api.Volume_FILE,
+	ReadOnly:             true,
+}
+
+func TestBuildVolumes(t *testing.T) {
 	targetVolume := v1.Volume{
 		Name: testVolume.Name,
 		VolumeSource: v1.VolumeSource{
@@ -26,7 +38,15 @@ func TestBuildVolumeMounts(t *testing.T) {
 			},
 		},
 	}
-
+	targetFileVolume := v1.Volume{
+		Name: testFileVolume.Name,
+		VolumeSource: v1.VolumeSource{
+			HostPath: &v1.HostPathVolumeSource{
+				Path: testFileVolume.Source,
+				Type: newHostPathType(string(v1.HostPathFile)),
+			},
+		},
+	}
 	tests := []struct {
 		name      string
 		apiVolume []*api.Volume
@@ -35,9 +55,9 @@ func TestBuildVolumeMounts(t *testing.T) {
 		{
 			"normal test",
 			[]*api.Volume{
-				testVolume,
+				testVolume, testFileVolume,
 			},
-			[]v1.Volume{targetVolume},
+			[]v1.Volume{targetVolume, targetFileVolume},
 		},
 	}
 	for _, tt := range tests {
@@ -50,12 +70,19 @@ func TestBuildVolumeMounts(t *testing.T) {
 	}
 }
 
-func TestBuildVolumes(t *testing.T) {
+func TestBuildVolumeMounts(t *testing.T) {
+	hostToContainer := v1.MountPropagationHostToContainer
 	targetVolumeMount := v1.VolumeMount{
 		Name:      testVolume.Name,
 		ReadOnly:  testVolume.ReadOnly,
 		MountPath: testVolume.MountPath,
 	}
+	targetFileVolumeMount := v1.VolumeMount{
+		Name:             testFileVolume.Name,
+		ReadOnly:         testFileVolume.ReadOnly,
+		MountPath:        testFileVolume.MountPath,
+		MountPropagation: &hostToContainer,
+	}
 	tests := []struct {
 		name      string
 		apiVolume []*api.Volume
@@ -65,9 +92,11 @@ func TestBuildVolumes(t *testing.T) {
 			"normal test",
 			[]*api.Volume{
 				testVolume,
+				testFileVolume,
 			},
 			[]v1.VolumeMount{
 				targetVolumeMount,
+				targetFileVolumeMount,
 			},
 		},
 	}
diff --git a/proto/cluster.proto b/proto/cluster.proto
index 0e125972a3d..0058c718811 100644
--- a/proto/cluster.proto
+++ b/proto/cluster.proto
@@ -180,6 +180,21 @@ message Volume {
   string name = 3;
   string source = 4;
   bool read_only = 5;
+  
+  // If indicate hostpath, we need to let user indicate which type 
+  // they would like to use.
+  enum HostPathType {
+    DIRECTORY = 0;
+    FILE = 1;
+  }
+  HostPathType host_path_type = 6;
+
+  enum MountPropagationMode {
+    NONE = 0;
+    HOSTTOCONTAINER = 1;
+    BIDIRECTIONAL = 2;
+  }
+  MountPropagationMode mount_propagation_mode = 7;
 }
 
 message HeadGroupSpec {
diff --git a/proto/go_client/cluster.pb.go b/proto/go_client/cluster.pb.go
index 36abab0294b..782014b3171 100644
--- a/proto/go_client/cluster.pb.go
+++ b/proto/go_client/cluster.pb.go
@@ -123,6 +123,103 @@ func (Volume_VolumeType) EnumDescriptor() ([]byte, []int) {
 	return file_cluster_proto_rawDescGZIP(), []int{9, 0}
 }
 
+// If indicate hostpath, we need to let user indicate which type
+// they would like to use.
+type Volume_HostPathType int32
+
+const (
+	Volume_DIRECTORY Volume_HostPathType = 0
+	Volume_FILE      Volume_HostPathType = 1
+)
+
+// Enum value maps for Volume_HostPathType.
+var (
+	Volume_HostPathType_name = map[int32]string{
+		0: "DIRECTORY",
+		1: "FILE",
+	}
+	Volume_HostPathType_value = map[string]int32{
+		"DIRECTORY": 0,
+		"FILE":      1,
+	}
+)
+
+func (x Volume_HostPathType) Enum() *Volume_HostPathType {
+	p := new(Volume_HostPathType)
+	*p = x
+	return p
+}
+
+func (x Volume_HostPathType) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Volume_HostPathType) Descriptor() protoreflect.EnumDescriptor {
+	return file_cluster_proto_enumTypes[2].Descriptor()
+}
+
+func (Volume_HostPathType) Type() protoreflect.EnumType {
+	return &file_cluster_proto_enumTypes[2]
+}
+
+func (x Volume_HostPathType) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Volume_HostPathType.Descriptor instead.
+func (Volume_HostPathType) EnumDescriptor() ([]byte, []int) {
+	return file_cluster_proto_rawDescGZIP(), []int{9, 1}
+}
+
+type Volume_MountPropagationMode int32
+
+const (
+	Volume_NONE            Volume_MountPropagationMode = 0
+	Volume_HOSTTOCONTAINER Volume_MountPropagationMode = 1
+	Volume_BIDIRECTIONAL   Volume_MountPropagationMode = 2
+)
+
+// Enum value maps for Volume_MountPropagationMode.
+var (
+	Volume_MountPropagationMode_name = map[int32]string{
+		0: "NONE",
+		1: "HOSTTOCONTAINER",
+		2: "BIDIRECTIONAL",
+	}
+	Volume_MountPropagationMode_value = map[string]int32{
+		"NONE":            0,
+		"HOSTTOCONTAINER": 1,
+		"BIDIRECTIONAL":   2,
+	}
+)
+
+func (x Volume_MountPropagationMode) Enum() *Volume_MountPropagationMode {
+	p := new(Volume_MountPropagationMode)
+	*p = x
+	return p
+}
+
+func (x Volume_MountPropagationMode) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (Volume_MountPropagationMode) Descriptor() protoreflect.EnumDescriptor {
+	return file_cluster_proto_enumTypes[3].Descriptor()
+}
+
+func (Volume_MountPropagationMode) Type() protoreflect.EnumType {
+	return &file_cluster_proto_enumTypes[3]
+}
+
+func (x Volume_MountPropagationMode) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use Volume_MountPropagationMode.Descriptor instead.
+func (Volume_MountPropagationMode) EnumDescriptor() ([]byte, []int) {
+	return file_cluster_proto_rawDescGZIP(), []int{9, 2}
+}
+
 type CreateClusterRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -675,11 +772,13 @@ type Volume struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	MountPath  string            `protobuf:"bytes,1,opt,name=mount_path,json=mountPath,proto3" json:"mount_path,omitempty"`
-	VolumeType Volume_VolumeType `protobuf:"varint,2,opt,name=volume_type,json=volumeType,proto3,enum=proto.Volume_VolumeType" json:"volume_type,omitempty"`
-	Name       string            `protobuf:"bytes,3,opt,name=name,proto3" json:"name,omitempty"`
-	Source     string            `protobuf:"bytes,4,opt,name=source,proto3" json:"source,omitempty"`
-	ReadOnly   bool              `protobuf:"varint,5,opt,name=read_only,json=readOnly,proto3" json:"read_only,omitempty"`
+	MountPath            string                      `protobuf:"bytes,1,opt,name=mount_path,json=mountPath,proto3" json:"mount_path,omitempty"`
+	VolumeType           Volume_VolumeType           `protobuf:"varint,2,opt,name=volume_type,json=volumeType,proto3,enum=proto.Volume_VolumeType" json:"volume_type,omitempty"`
+	Name                 string                      `protobuf:"bytes,3,opt,name=name,proto3" json:"name,omitempty"`
+	Source               string                      `protobuf:"bytes,4,opt,name=source,proto3" json:"source,omitempty"`
+	ReadOnly             bool                        `protobuf:"varint,5,opt,name=read_only,json=readOnly,proto3" json:"read_only,omitempty"`
+	HostPathType         Volume_HostPathType         `protobuf:"varint,6,opt,name=host_path_type,json=hostPathType,proto3,enum=proto.Volume_HostPathType" json:"host_path_type,omitempty"`
+	MountPropagationMode Volume_MountPropagationMode `protobuf:"varint,7,opt,name=mount_propagation_mode,json=mountPropagationMode,proto3,enum=proto.Volume_MountPropagationMode" json:"mount_propagation_mode,omitempty"`
 }
 
 func (x *Volume) Reset() {
@@ -749,6 +848,20 @@ func (x *Volume) GetReadOnly() bool {
 	return false
 }
 
+func (x *Volume) GetHostPathType() Volume_HostPathType {
+	if x != nil {
+		return x.HostPathType
+	}
+	return Volume_DIRECTORY
+}
+
+func (x *Volume) GetMountPropagationMode() Volume_MountPropagationMode {
+	if x != nil {
+		return x.MountPropagationMode
+	}
+	return Volume_NONE
+}
+
 type HeadGroupSpec struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1154,8 +1267,8 @@ var file_cluster_proto_rawDesc = []byte{
 	0x72, 0x6b, 0x65, 0x72, 0x5f, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x5f, 0x73, 0x70, 0x65, 0x63, 0x18,
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+	0x6f, 0x72, 0x6b, 0x65, 0x72, 0x47, 0x72, 0x6f, 0x75, 0x70, 0x53, 0x70, 0x65, 0x63, 0x22, 0xf4,
+	0x03, 0x0a, 0x06, 0x56, 0x6f, 0x6c, 0x75, 0x6d, 0x65, 0x12, 0x1d, 0x0a, 0x0a, 0x6d, 0x6f, 0x75,
 	0x6e, 0x74, 0x5f, 0x70, 0x61, 0x74, 0x68, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x6d,
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@@ -1165,123 +1278,140 @@ var file_cluster_proto_rawDesc = []byte{
 	0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x73, 0x6f, 0x75, 0x72, 0x63,
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 }
 
 var (
@@ -1296,65 +1426,69 @@ func file_cluster_proto_rawDescGZIP() []byte {
 	return file_cluster_proto_rawDescData
 }
 
-var file_cluster_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_cluster_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
 var file_cluster_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
 var file_cluster_proto_goTypes = []interface{}{
-	(Cluster_Environment)(0),        // 0: proto.Cluster.Environment
-	(Volume_VolumeType)(0),          // 1: proto.Volume.VolumeType
-	(*CreateClusterRequest)(nil),    // 2: proto.CreateClusterRequest
-	(*GetClusterRequest)(nil),       // 3: proto.GetClusterRequest
-	(*ListClustersRequest)(nil),     // 4: proto.ListClustersRequest
-	(*ListClustersResponse)(nil),    // 5: proto.ListClustersResponse
-	(*ListAllClustersRequest)(nil),  // 6: proto.ListAllClustersRequest
-	(*ListAllClustersResponse)(nil), // 7: proto.ListAllClustersResponse
-	(*DeleteClusterRequest)(nil),    // 8: proto.DeleteClusterRequest
-	(*Cluster)(nil),                 // 9: proto.Cluster
-	(*ClusterSpec)(nil),             // 10: proto.ClusterSpec
-	(*Volume)(nil),                  // 11: proto.Volume
-	(*HeadGroupSpec)(nil),           // 12: proto.HeadGroupSpec
-	(*WorkerGroupSpec)(nil),         // 13: proto.WorkerGroupSpec
-	(*ClusterEvent)(nil),            // 14: proto.ClusterEvent
-	nil,                             // 15: proto.Cluster.ServiceEndpointEntry
-	nil,                             // 16: proto.HeadGroupSpec.RayStartParamsEntry
-	nil,                             // 17: proto.WorkerGroupSpec.RayStartParamsEntry
-	(*timestamppb.Timestamp)(nil),   // 18: google.protobuf.Timestamp
-	(*emptypb.Empty)(nil),           // 19: google.protobuf.Empty
+	(Cluster_Environment)(0),         // 0: proto.Cluster.Environment
+	(Volume_VolumeType)(0),           // 1: proto.Volume.VolumeType
+	(Volume_HostPathType)(0),         // 2: proto.Volume.HostPathType
+	(Volume_MountPropagationMode)(0), // 3: proto.Volume.MountPropagationMode
+	(*CreateClusterRequest)(nil),     // 4: proto.CreateClusterRequest
+	(*GetClusterRequest)(nil),        // 5: proto.GetClusterRequest
+	(*ListClustersRequest)(nil),      // 6: proto.ListClustersRequest
+	(*ListClustersResponse)(nil),     // 7: proto.ListClustersResponse
+	(*ListAllClustersRequest)(nil),   // 8: proto.ListAllClustersRequest
+	(*ListAllClustersResponse)(nil),  // 9: proto.ListAllClustersResponse
+	(*DeleteClusterRequest)(nil),     // 10: proto.DeleteClusterRequest
+	(*Cluster)(nil),                  // 11: proto.Cluster
+	(*ClusterSpec)(nil),              // 12: proto.ClusterSpec
+	(*Volume)(nil),                   // 13: proto.Volume
+	(*HeadGroupSpec)(nil),            // 14: proto.HeadGroupSpec
+	(*WorkerGroupSpec)(nil),          // 15: proto.WorkerGroupSpec
+	(*ClusterEvent)(nil),             // 16: proto.ClusterEvent
+	nil,                              // 17: proto.Cluster.ServiceEndpointEntry
+	nil,                              // 18: proto.HeadGroupSpec.RayStartParamsEntry
+	nil,                              // 19: proto.WorkerGroupSpec.RayStartParamsEntry
+	(*timestamppb.Timestamp)(nil),    // 20: google.protobuf.Timestamp
+	(*emptypb.Empty)(nil),            // 21: google.protobuf.Empty
 }
 var file_cluster_proto_depIdxs = []int32{
-	9,  // 0: proto.CreateClusterRequest.cluster:type_name -> proto.Cluster
-	9,  // 1: proto.ListClustersResponse.clusters:type_name -> proto.Cluster
-	9,  // 2: proto.ListAllClustersResponse.clusters:type_name -> proto.Cluster
+	11, // 0: proto.CreateClusterRequest.cluster:type_name -> proto.Cluster
+	11, // 1: proto.ListClustersResponse.clusters:type_name -> proto.Cluster
+	11, // 2: proto.ListAllClustersResponse.clusters:type_name -> proto.Cluster
 	0,  // 3: proto.Cluster.environment:type_name -> proto.Cluster.Environment
-	10, // 4: proto.Cluster.cluster_spec:type_name -> proto.ClusterSpec
-	18, // 5: proto.Cluster.created_at:type_name -> google.protobuf.Timestamp
-	18, // 6: proto.Cluster.deleted_at:type_name -> google.protobuf.Timestamp
-	14, // 7: proto.Cluster.events:type_name -> proto.ClusterEvent
-	15, // 8: proto.Cluster.service_endpoint:type_name -> proto.Cluster.ServiceEndpointEntry
-	12, // 9: proto.ClusterSpec.head_group_spec:type_name -> proto.HeadGroupSpec
-	13, // 10: proto.ClusterSpec.worker_group_spec:type_name -> proto.WorkerGroupSpec
+	12, // 4: proto.Cluster.cluster_spec:type_name -> proto.ClusterSpec
+	20, // 5: proto.Cluster.created_at:type_name -> google.protobuf.Timestamp
+	20, // 6: proto.Cluster.deleted_at:type_name -> google.protobuf.Timestamp
+	16, // 7: proto.Cluster.events:type_name -> proto.ClusterEvent
+	17, // 8: proto.Cluster.service_endpoint:type_name -> proto.Cluster.ServiceEndpointEntry
+	14, // 9: proto.ClusterSpec.head_group_spec:type_name -> proto.HeadGroupSpec
+	15, // 10: proto.ClusterSpec.worker_group_spec:type_name -> proto.WorkerGroupSpec
 	1,  // 11: proto.Volume.volume_type:type_name -> proto.Volume.VolumeType
-	16, // 12: proto.HeadGroupSpec.ray_start_params:type_name -> proto.HeadGroupSpec.RayStartParamsEntry
-	11, // 13: proto.HeadGroupSpec.volumes:type_name -> proto.Volume
-	17, // 14: proto.WorkerGroupSpec.ray_start_params:type_name -> proto.WorkerGroupSpec.RayStartParamsEntry
-	11, // 15: proto.WorkerGroupSpec.volumes:type_name -> proto.Volume
-	18, // 16: proto.ClusterEvent.created_at:type_name -> google.protobuf.Timestamp
-	18, // 17: proto.ClusterEvent.first_timestamp:type_name -> google.protobuf.Timestamp
-	18, // 18: proto.ClusterEvent.last_timestamp:type_name -> google.protobuf.Timestamp
-	2,  // 19: proto.ClusterService.CreateCluster:input_type -> proto.CreateClusterRequest
-	3,  // 20: proto.ClusterService.GetCluster:input_type -> proto.GetClusterRequest
-	4,  // 21: proto.ClusterService.ListCluster:input_type -> proto.ListClustersRequest
-	6,  // 22: proto.ClusterService.ListAllClusters:input_type -> proto.ListAllClustersRequest
-	8,  // 23: proto.ClusterService.DeleteCluster:input_type -> proto.DeleteClusterRequest
-	9,  // 24: proto.ClusterService.CreateCluster:output_type -> proto.Cluster
-	9,  // 25: proto.ClusterService.GetCluster:output_type -> proto.Cluster
-	5,  // 26: proto.ClusterService.ListCluster:output_type -> proto.ListClustersResponse
-	7,  // 27: proto.ClusterService.ListAllClusters:output_type -> proto.ListAllClustersResponse
-	19, // 28: proto.ClusterService.DeleteCluster:output_type -> google.protobuf.Empty
-	24, // [24:29] is the sub-list for method output_type
-	19, // [19:24] is the sub-list for method input_type
-	19, // [19:19] is the sub-list for extension type_name
-	19, // [19:19] is the sub-list for extension extendee
-	0,  // [0:19] is the sub-list for field type_name
+	2,  // 12: proto.Volume.host_path_type:type_name -> proto.Volume.HostPathType
+	3,  // 13: proto.Volume.mount_propagation_mode:type_name -> proto.Volume.MountPropagationMode
+	18, // 14: proto.HeadGroupSpec.ray_start_params:type_name -> proto.HeadGroupSpec.RayStartParamsEntry
+	13, // 15: proto.HeadGroupSpec.volumes:type_name -> proto.Volume
+	19, // 16: proto.WorkerGroupSpec.ray_start_params:type_name -> proto.WorkerGroupSpec.RayStartParamsEntry
+	13, // 17: proto.WorkerGroupSpec.volumes:type_name -> proto.Volume
+	20, // 18: proto.ClusterEvent.created_at:type_name -> google.protobuf.Timestamp
+	20, // 19: proto.ClusterEvent.first_timestamp:type_name -> google.protobuf.Timestamp
+	20, // 20: proto.ClusterEvent.last_timestamp:type_name -> google.protobuf.Timestamp
+	4,  // 21: proto.ClusterService.CreateCluster:input_type -> proto.CreateClusterRequest
+	5,  // 22: proto.ClusterService.GetCluster:input_type -> proto.GetClusterRequest
+	6,  // 23: proto.ClusterService.ListCluster:input_type -> proto.ListClustersRequest
+	8,  // 24: proto.ClusterService.ListAllClusters:input_type -> proto.ListAllClustersRequest
+	10, // 25: proto.ClusterService.DeleteCluster:input_type -> proto.DeleteClusterRequest
+	11, // 26: proto.ClusterService.CreateCluster:output_type -> proto.Cluster
+	11, // 27: proto.ClusterService.GetCluster:output_type -> proto.Cluster
+	7,  // 28: proto.ClusterService.ListCluster:output_type -> proto.ListClustersResponse
+	9,  // 29: proto.ClusterService.ListAllClusters:output_type -> proto.ListAllClustersResponse
+	21, // 30: proto.ClusterService.DeleteCluster:output_type -> google.protobuf.Empty
+	26, // [26:31] is the sub-list for method output_type
+	21, // [21:26] is the sub-list for method input_type
+	21, // [21:21] is the sub-list for extension type_name
+	21, // [21:21] is the sub-list for extension extendee
+	0,  // [0:21] is the sub-list for field type_name
 }
 
 func init() { file_cluster_proto_init() }
@@ -1525,7 +1659,7 @@ func file_cluster_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_cluster_proto_rawDesc,
-			NumEnums:      2,
+			NumEnums:      4,
 			NumMessages:   16,
 			NumExtensions: 0,
 			NumServices:   1,
diff --git a/proto/swagger/cluster.swagger.json b/proto/swagger/cluster.swagger.json
index 4e2f9f0630d..4c5ea2975a8 100644
--- a/proto/swagger/cluster.swagger.json
+++ b/proto/swagger/cluster.swagger.json
@@ -202,6 +202,24 @@
       "default": "DEV",
       "description": "Optional field."
     },
+    "VolumeHostPathType": {
+      "type": "string",
+      "enum": [
+        "DIRECTORY",
+        "FILE"
+      ],
+      "default": "DIRECTORY",
+      "description": "If indicate hostpath, we need to let user indicate which type \nthey would like to use."
+    },
+    "VolumeMountPropagationMode": {
+      "type": "string",
+      "enum": [
+        "NONE",
+        "HOSTTOCONTAINER",
+        "BIDIRECTIONAL"
+      ],
+      "default": "NONE"
+    },
     "VolumeVolumeType": {
       "type": "string",
       "enum": [
@@ -417,6 +435,12 @@
         },
         "readOnly": {
           "type": "boolean"
+        },
+        "hostPathType": {
+          "$ref": "#/definitions/VolumeHostPathType"
+        },
+        "mountPropagationMode": {
+          "$ref": "#/definitions/VolumeMountPropagationMode"
         }
       }
     },