diff --git a/Cargo.lock b/Cargo.lock
index a44b374..f1edde6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -184,7 +184,7 @@ dependencies = [
 
 [[package]]
 name = "dragonfly-api"
-version = "2.0.150"
+version = "2.0.151"
 dependencies = [
  "prost",
  "prost-types",
diff --git a/Cargo.toml b/Cargo.toml
index 7661451..3488513 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "dragonfly-api"
-version = "2.0.150"
+version = "2.0.151"
 authors = ["Gaius <gaius.qi@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0"
diff --git a/pkg/apis/common/v2/common.pb.go b/pkg/apis/common/v2/common.pb.go
index fc2349e..c161241 100644
--- a/pkg/apis/common/v2/common.pb.go
+++ b/pkg/apis/common/v2/common.pb.go
@@ -1888,8 +1888,8 @@ type ObjectStorage struct {
 	AccessKeySecret string `protobuf:"bytes,4,opt,name=access_key_secret,json=accessKeySecret,proto3" json:"access_key_secret,omitempty"`
 	// Session token that used to access s3 storage service.
 	SessionToken *string `protobuf:"bytes,5,opt,name=session_token,json=sessionToken,proto3,oneof" json:"session_token,omitempty"`
-	// Credential service account that used for the Google Cloud Storage service.
-	Credential *string `protobuf:"bytes,6,opt,name=credential,proto3,oneof" json:"credential,omitempty"`
+	// Local path to credential file for Google Cloud Storage service OAuth2 authentication.
+	CredentialPath *string `protobuf:"bytes,6,opt,name=credential_path,json=credentialPath,proto3,oneof" json:"credential_path,omitempty"`
 	// Predefined ACL that used for the Google Cloud Storage service.
 	PredefinedAcl *string `protobuf:"bytes,7,opt,name=predefined_acl,json=predefinedAcl,proto3,oneof" json:"predefined_acl,omitempty"`
 }
@@ -1961,9 +1961,9 @@ func (x *ObjectStorage) GetSessionToken() string {
 	return ""
 }
 
-func (x *ObjectStorage) GetCredential() string {
-	if x != nil && x.Credential != nil {
-		return *x.Credential
+func (x *ObjectStorage) GetCredentialPath() string {
+	if x != nil && x.CredentialPath != nil {
+		return *x.CredentialPath
 	}
 	return ""
 }
@@ -2552,7 +2552,7 @@ var file_pkg_apis_common_v2_common_proto_rawDesc = []byte{
 	0x70, 0x69, 0x65, 0x63, 0x65, 0x5f, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x42, 0x0e, 0x0a, 0x0c,
 	0x5f, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x5f, 0x70, 0x61, 0x74, 0x68, 0x42, 0x0a, 0x0a, 0x08,
 	0x5f, 0x74, 0x69, 0x6d, 0x65, 0x6f, 0x75, 0x74, 0x42, 0x11, 0x0a, 0x0f, 0x5f, 0x6f, 0x62, 0x6a,
-	0x65, 0x63, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x22, 0xb2, 0x03, 0x0a, 0x0d,
+	0x65, 0x63, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x22, 0xc0, 0x03, 0x0a, 0x0d,
 	0x4f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x53, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x12, 0x27, 0x0a,
 	0x06, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x42, 0x0a, 0xfa,
 	0x42, 0x07, 0x72, 0x05, 0x10, 0x01, 0xd0, 0x01, 0x01, 0x48, 0x00, 0x52, 0x06, 0x72, 0x65, 0x67,
@@ -2568,79 +2568,80 @@ var file_pkg_apis_common_v2_common_proto_rawDesc = []byte{
 	0x65, 0x63, 0x72, 0x65, 0x74, 0x12, 0x34, 0x0a, 0x0d, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e,
 	0x5f, 0x74, 0x6f, 0x6b, 0x65, 0x6e, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x42, 0x0a, 0xfa, 0x42,
 	0x07, 0x72, 0x05, 0x10, 0x01, 0xd0, 0x01, 0x01, 0x48, 0x02, 0x52, 0x0c, 0x73, 0x65, 0x73, 0x73,
-	0x69, 0x6f, 0x6e, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x88, 0x01, 0x01, 0x12, 0x2f, 0x0a, 0x0a, 0x63,
-	0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x18, 0x06, 0x20, 0x01, 0x28, 0x09, 0x42,
-	0x0a, 0xfa, 0x42, 0x07, 0x72, 0x05, 0x10, 0x01, 0xd0, 0x01, 0x01, 0x48, 0x03, 0x52, 0x0a, 0x63,
-	0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x88, 0x01, 0x01, 0x12, 0x36, 0x0a, 0x0e,
-	0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69, 0x6e, 0x65, 0x64, 0x5f, 0x61, 0x63, 0x6c, 0x18, 0x07,
+	0x69, 0x6f, 0x6e, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x88, 0x01, 0x01, 0x12, 0x38, 0x0a, 0x0f, 0x63,
+	0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x5f, 0x70, 0x61, 0x74, 0x68, 0x18, 0x06,
 	0x20, 0x01, 0x28, 0x09, 0x42, 0x0a, 0xfa, 0x42, 0x07, 0x72, 0x05, 0x10, 0x01, 0xd0, 0x01, 0x01,
-	0x48, 0x04, 0x52, 0x0d, 0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69, 0x6e, 0x65, 0x64, 0x41, 0x63,
-	0x6c, 0x88, 0x01, 0x01, 0x42, 0x09, 0x0a, 0x07, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x42,
-	0x0b, 0x0a, 0x09, 0x5f, 0x65, 0x6e, 0x64, 0x70, 0x6f, 0x69, 0x6e, 0x74, 0x42, 0x10, 0x0a, 0x0e,
-	0x5f, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f, 0x6e, 0x5f, 0x74, 0x6f, 0x6b, 0x65, 0x6e, 0x42, 0x0d,
-	0x0a, 0x0b, 0x5f, 0x63, 0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x42, 0x11, 0x0a,
-	0x0f, 0x5f, 0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69, 0x6e, 0x65, 0x64, 0x5f, 0x61, 0x63, 0x6c,
-	0x22, 0x35, 0x0a, 0x05, 0x52, 0x61, 0x6e, 0x67, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x73, 0x74, 0x61,
-	0x72, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x05, 0x73, 0x74, 0x61, 0x72, 0x74, 0x12,
-	0x16, 0x0a, 0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04, 0x52,
-	0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x22, 0xc0, 0x04, 0x0a, 0x05, 0x50, 0x69, 0x65, 0x63,
-	0x65, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28,
-	0x0d, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x12, 0x2c, 0x0a, 0x09, 0x70, 0x61, 0x72,
-	0x65, 0x6e, 0x74, 0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x42, 0x0a, 0xfa, 0x42,
-	0x07, 0x72, 0x05, 0x10, 0x01, 0xd0, 0x01, 0x01, 0x48, 0x00, 0x52, 0x08, 0x70, 0x61, 0x72, 0x65,
-	0x6e, 0x74, 0x49, 0x64, 0x88, 0x01, 0x01, 0x12, 0x16, 0x0a, 0x06, 0x6f, 0x66, 0x66, 0x73, 0x65,
-	0x74, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x06, 0x6f, 0x66, 0x66, 0x73, 0x65, 0x74, 0x12,
-	0x16, 0x0a, 0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x18, 0x04, 0x20, 0x01, 0x28, 0x04, 0x52,
-	0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x12, 0xad, 0x01, 0x0a, 0x06, 0x64, 0x69, 0x67, 0x65,
-	0x73, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x42, 0x94, 0x01, 0xfa, 0x42, 0x90, 0x01, 0x72,
-	0x8d, 0x01, 0x32, 0x87, 0x01, 0x5e, 0x28, 0x6d, 0x64, 0x35, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41,
-	0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x33, 0x32, 0x7d, 0x7c, 0x73, 0x68, 0x61, 0x31, 0x3a,
-	0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x34, 0x30, 0x7d, 0x7c,
-	0x73, 0x68, 0x61, 0x32, 0x35, 0x36, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d,
-	0x39, 0x5d, 0x7b, 0x36, 0x34, 0x7d, 0x7c, 0x73, 0x68, 0x61, 0x35, 0x31, 0x32, 0x3a, 0x5b, 0x61,
-	0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x31, 0x32, 0x38, 0x7d, 0x7c, 0x62,
-	0x6c, 0x61, 0x6b, 0x65, 0x33, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39,
-	0x5d, 0x7b, 0x36, 0x34, 0x7d, 0x7c, 0x63, 0x72, 0x63, 0x33, 0x32, 0x3a, 0x5b, 0x61, 0x2d, 0x66,
-	0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x38, 0x7d, 0x29, 0x24, 0xd0, 0x01, 0x01, 0x52,
-	0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74, 0x12, 0x28, 0x0a, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65,
-	0x6e, 0x74, 0x18, 0x06, 0x20, 0x01, 0x28, 0x0c, 0x42, 0x09, 0xfa, 0x42, 0x06, 0x7a, 0x04, 0x10,
-	0x01, 0x70, 0x01, 0x48, 0x01, 0x52, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x88, 0x01,
-	0x01, 0x12, 0x3e, 0x0a, 0x0c, 0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x5f, 0x74, 0x79, 0x70,
-	0x65, 0x18, 0x07, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x16, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
-	0x2e, 0x76, 0x32, 0x2e, 0x54, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79, 0x70, 0x65, 0x48,
-	0x02, 0x52, 0x0b, 0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79, 0x70, 0x65, 0x88, 0x01,
-	0x01, 0x12, 0x37, 0x0a, 0x04, 0x63, 0x6f, 0x73, 0x74, 0x18, 0x08, 0x20, 0x01, 0x28, 0x0b, 0x32,
-	0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
-	0x66, 0x2e, 0x44, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x08, 0xfa, 0x42, 0x05, 0xaa,
-	0x01, 0x02, 0x08, 0x01, 0x52, 0x04, 0x63, 0x6f, 0x73, 0x74, 0x12, 0x43, 0x0a, 0x0a, 0x63, 0x72,
-	0x65, 0x61, 0x74, 0x65, 0x64, 0x5f, 0x61, 0x74, 0x18, 0x09, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a,
-	0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
-	0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x42, 0x08, 0xfa, 0x42, 0x05, 0xb2,
-	0x01, 0x02, 0x08, 0x01, 0x52, 0x09, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x41, 0x74, 0x42,
-	0x0c, 0x0a, 0x0a, 0x5f, 0x70, 0x61, 0x72, 0x65, 0x6e, 0x74, 0x5f, 0x69, 0x64, 0x42, 0x0a, 0x0a,
-	0x08, 0x5f, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x42, 0x0f, 0x0a, 0x0d, 0x5f, 0x74, 0x72,
-	0x61, 0x66, 0x66, 0x69, 0x63, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x2a, 0x43, 0x0a, 0x09, 0x53, 0x69,
-	0x7a, 0x65, 0x53, 0x63, 0x6f, 0x70, 0x65, 0x12, 0x0a, 0x0a, 0x06, 0x4e, 0x4f, 0x52, 0x4d, 0x41,
-	0x4c, 0x10, 0x00, 0x12, 0x09, 0x0a, 0x05, 0x53, 0x4d, 0x41, 0x4c, 0x4c, 0x10, 0x01, 0x12, 0x08,
-	0x0a, 0x04, 0x54, 0x49, 0x4e, 0x59, 0x10, 0x02, 0x12, 0x09, 0x0a, 0x05, 0x45, 0x4d, 0x50, 0x54,
-	0x59, 0x10, 0x03, 0x12, 0x0a, 0x0a, 0x06, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x10, 0x04, 0x2a,
-	0x32, 0x0a, 0x08, 0x54, 0x61, 0x73, 0x6b, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0c, 0x0a, 0x08, 0x44,
-	0x46, 0x44, 0x41, 0x45, 0x4d, 0x4f, 0x4e, 0x10, 0x00, 0x12, 0x0b, 0x0a, 0x07, 0x44, 0x46, 0x43,
-	0x41, 0x43, 0x48, 0x45, 0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x44, 0x46, 0x53, 0x54, 0x4f, 0x52,
-	0x45, 0x10, 0x02, 0x2a, 0x42, 0x0a, 0x0b, 0x54, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79,
-	0x70, 0x65, 0x12, 0x12, 0x0a, 0x0e, 0x42, 0x41, 0x43, 0x4b, 0x5f, 0x54, 0x4f, 0x5f, 0x53, 0x4f,
-	0x55, 0x52, 0x43, 0x45, 0x10, 0x00, 0x12, 0x0f, 0x0a, 0x0b, 0x52, 0x45, 0x4d, 0x4f, 0x54, 0x45,
-	0x5f, 0x50, 0x45, 0x45, 0x52, 0x10, 0x01, 0x12, 0x0e, 0x0a, 0x0a, 0x4c, 0x4f, 0x43, 0x41, 0x4c,
-	0x5f, 0x50, 0x45, 0x45, 0x52, 0x10, 0x02, 0x2a, 0x5e, 0x0a, 0x08, 0x50, 0x72, 0x69, 0x6f, 0x72,
-	0x69, 0x74, 0x79, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x30, 0x10, 0x00, 0x12,
-	0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x31, 0x10, 0x01, 0x12, 0x0a, 0x0a, 0x06, 0x4c,
-	0x45, 0x56, 0x45, 0x4c, 0x32, 0x10, 0x02, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c,
-	0x33, 0x10, 0x03, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x34, 0x10, 0x04, 0x12,
-	0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x35, 0x10, 0x05, 0x12, 0x0a, 0x0a, 0x06, 0x4c,
-	0x45, 0x56, 0x45, 0x4c, 0x36, 0x10, 0x06, 0x42, 0x29, 0x5a, 0x27, 0x64, 0x37, 0x79, 0x2e, 0x69,
-	0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69,
-	0x73, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x76, 0x32, 0x3b, 0x63, 0x6f, 0x6d, 0x6d,
-	0x6f, 0x6e, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x48, 0x03, 0x52, 0x0e, 0x63, 0x72, 0x65, 0x64, 0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x50, 0x61,
+	0x74, 0x68, 0x88, 0x01, 0x01, 0x12, 0x36, 0x0a, 0x0e, 0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69,
+	0x6e, 0x65, 0x64, 0x5f, 0x61, 0x63, 0x6c, 0x18, 0x07, 0x20, 0x01, 0x28, 0x09, 0x42, 0x0a, 0xfa,
+	0x42, 0x07, 0x72, 0x05, 0x10, 0x01, 0xd0, 0x01, 0x01, 0x48, 0x04, 0x52, 0x0d, 0x70, 0x72, 0x65,
+	0x64, 0x65, 0x66, 0x69, 0x6e, 0x65, 0x64, 0x41, 0x63, 0x6c, 0x88, 0x01, 0x01, 0x42, 0x09, 0x0a,
+	0x07, 0x5f, 0x72, 0x65, 0x67, 0x69, 0x6f, 0x6e, 0x42, 0x0b, 0x0a, 0x09, 0x5f, 0x65, 0x6e, 0x64,
+	0x70, 0x6f, 0x69, 0x6e, 0x74, 0x42, 0x10, 0x0a, 0x0e, 0x5f, 0x73, 0x65, 0x73, 0x73, 0x69, 0x6f,
+	0x6e, 0x5f, 0x74, 0x6f, 0x6b, 0x65, 0x6e, 0x42, 0x12, 0x0a, 0x10, 0x5f, 0x63, 0x72, 0x65, 0x64,
+	0x65, 0x6e, 0x74, 0x69, 0x61, 0x6c, 0x5f, 0x70, 0x61, 0x74, 0x68, 0x42, 0x11, 0x0a, 0x0f, 0x5f,
+	0x70, 0x72, 0x65, 0x64, 0x65, 0x66, 0x69, 0x6e, 0x65, 0x64, 0x5f, 0x61, 0x63, 0x6c, 0x22, 0x35,
+	0x0a, 0x05, 0x52, 0x61, 0x6e, 0x67, 0x65, 0x12, 0x14, 0x0a, 0x05, 0x73, 0x74, 0x61, 0x72, 0x74,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x04, 0x52, 0x05, 0x73, 0x74, 0x61, 0x72, 0x74, 0x12, 0x16, 0x0a,
+	0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x04, 0x52, 0x06, 0x6c,
+	0x65, 0x6e, 0x67, 0x74, 0x68, 0x22, 0xc0, 0x04, 0x0a, 0x05, 0x50, 0x69, 0x65, 0x63, 0x65, 0x12,
+	0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0d, 0x52,
+	0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72, 0x12, 0x2c, 0x0a, 0x09, 0x70, 0x61, 0x72, 0x65, 0x6e,
+	0x74, 0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x42, 0x0a, 0xfa, 0x42, 0x07, 0x72,
+	0x05, 0x10, 0x01, 0xd0, 0x01, 0x01, 0x48, 0x00, 0x52, 0x08, 0x70, 0x61, 0x72, 0x65, 0x6e, 0x74,
+	0x49, 0x64, 0x88, 0x01, 0x01, 0x12, 0x16, 0x0a, 0x06, 0x6f, 0x66, 0x66, 0x73, 0x65, 0x74, 0x18,
+	0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x06, 0x6f, 0x66, 0x66, 0x73, 0x65, 0x74, 0x12, 0x16, 0x0a,
+	0x06, 0x6c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x18, 0x04, 0x20, 0x01, 0x28, 0x04, 0x52, 0x06, 0x6c,
+	0x65, 0x6e, 0x67, 0x74, 0x68, 0x12, 0xad, 0x01, 0x0a, 0x06, 0x64, 0x69, 0x67, 0x65, 0x73, 0x74,
+	0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x42, 0x94, 0x01, 0xfa, 0x42, 0x90, 0x01, 0x72, 0x8d, 0x01,
+	0x32, 0x87, 0x01, 0x5e, 0x28, 0x6d, 0x64, 0x35, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d, 0x46,
+	0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x33, 0x32, 0x7d, 0x7c, 0x73, 0x68, 0x61, 0x31, 0x3a, 0x5b, 0x61,
+	0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x34, 0x30, 0x7d, 0x7c, 0x73, 0x68,
+	0x61, 0x32, 0x35, 0x36, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d,
+	0x7b, 0x36, 0x34, 0x7d, 0x7c, 0x73, 0x68, 0x61, 0x35, 0x31, 0x32, 0x3a, 0x5b, 0x61, 0x2d, 0x66,
+	0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x31, 0x32, 0x38, 0x7d, 0x7c, 0x62, 0x6c, 0x61,
+	0x6b, 0x65, 0x33, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d, 0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b,
+	0x36, 0x34, 0x7d, 0x7c, 0x63, 0x72, 0x63, 0x33, 0x32, 0x3a, 0x5b, 0x61, 0x2d, 0x66, 0x41, 0x2d,
+	0x46, 0x30, 0x2d, 0x39, 0x5d, 0x7b, 0x38, 0x7d, 0x29, 0x24, 0xd0, 0x01, 0x01, 0x52, 0x06, 0x64,
+	0x69, 0x67, 0x65, 0x73, 0x74, 0x12, 0x28, 0x0a, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74,
+	0x18, 0x06, 0x20, 0x01, 0x28, 0x0c, 0x42, 0x09, 0xfa, 0x42, 0x06, 0x7a, 0x04, 0x10, 0x01, 0x70,
+	0x01, 0x48, 0x01, 0x52, 0x07, 0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x88, 0x01, 0x01, 0x12,
+	0x3e, 0x0a, 0x0c, 0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x18,
+	0x07, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x16, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x76,
+	0x32, 0x2e, 0x54, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79, 0x70, 0x65, 0x48, 0x02, 0x52,
+	0x0b, 0x74, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79, 0x70, 0x65, 0x88, 0x01, 0x01, 0x12,
+	0x37, 0x0a, 0x04, 0x63, 0x6f, 0x73, 0x74, 0x18, 0x08, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x19, 0x2e,
+	0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e,
+	0x44, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x08, 0xfa, 0x42, 0x05, 0xaa, 0x01, 0x02,
+	0x08, 0x01, 0x52, 0x04, 0x63, 0x6f, 0x73, 0x74, 0x12, 0x43, 0x0a, 0x0a, 0x63, 0x72, 0x65, 0x61,
+	0x74, 0x65, 0x64, 0x5f, 0x61, 0x74, 0x18, 0x09, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67,
+	0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54,
+	0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x42, 0x08, 0xfa, 0x42, 0x05, 0xb2, 0x01, 0x02,
+	0x08, 0x01, 0x52, 0x09, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x41, 0x74, 0x42, 0x0c, 0x0a,
+	0x0a, 0x5f, 0x70, 0x61, 0x72, 0x65, 0x6e, 0x74, 0x5f, 0x69, 0x64, 0x42, 0x0a, 0x0a, 0x08, 0x5f,
+	0x63, 0x6f, 0x6e, 0x74, 0x65, 0x6e, 0x74, 0x42, 0x0f, 0x0a, 0x0d, 0x5f, 0x74, 0x72, 0x61, 0x66,
+	0x66, 0x69, 0x63, 0x5f, 0x74, 0x79, 0x70, 0x65, 0x2a, 0x43, 0x0a, 0x09, 0x53, 0x69, 0x7a, 0x65,
+	0x53, 0x63, 0x6f, 0x70, 0x65, 0x12, 0x0a, 0x0a, 0x06, 0x4e, 0x4f, 0x52, 0x4d, 0x41, 0x4c, 0x10,
+	0x00, 0x12, 0x09, 0x0a, 0x05, 0x53, 0x4d, 0x41, 0x4c, 0x4c, 0x10, 0x01, 0x12, 0x08, 0x0a, 0x04,
+	0x54, 0x49, 0x4e, 0x59, 0x10, 0x02, 0x12, 0x09, 0x0a, 0x05, 0x45, 0x4d, 0x50, 0x54, 0x59, 0x10,
+	0x03, 0x12, 0x0a, 0x0a, 0x06, 0x55, 0x4e, 0x4b, 0x4e, 0x4f, 0x57, 0x10, 0x04, 0x2a, 0x32, 0x0a,
+	0x08, 0x54, 0x61, 0x73, 0x6b, 0x54, 0x79, 0x70, 0x65, 0x12, 0x0c, 0x0a, 0x08, 0x44, 0x46, 0x44,
+	0x41, 0x45, 0x4d, 0x4f, 0x4e, 0x10, 0x00, 0x12, 0x0b, 0x0a, 0x07, 0x44, 0x46, 0x43, 0x41, 0x43,
+	0x48, 0x45, 0x10, 0x01, 0x12, 0x0b, 0x0a, 0x07, 0x44, 0x46, 0x53, 0x54, 0x4f, 0x52, 0x45, 0x10,
+	0x02, 0x2a, 0x42, 0x0a, 0x0b, 0x54, 0x72, 0x61, 0x66, 0x66, 0x69, 0x63, 0x54, 0x79, 0x70, 0x65,
+	0x12, 0x12, 0x0a, 0x0e, 0x42, 0x41, 0x43, 0x4b, 0x5f, 0x54, 0x4f, 0x5f, 0x53, 0x4f, 0x55, 0x52,
+	0x43, 0x45, 0x10, 0x00, 0x12, 0x0f, 0x0a, 0x0b, 0x52, 0x45, 0x4d, 0x4f, 0x54, 0x45, 0x5f, 0x50,
+	0x45, 0x45, 0x52, 0x10, 0x01, 0x12, 0x0e, 0x0a, 0x0a, 0x4c, 0x4f, 0x43, 0x41, 0x4c, 0x5f, 0x50,
+	0x45, 0x45, 0x52, 0x10, 0x02, 0x2a, 0x5e, 0x0a, 0x08, 0x50, 0x72, 0x69, 0x6f, 0x72, 0x69, 0x74,
+	0x79, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x30, 0x10, 0x00, 0x12, 0x0a, 0x0a,
+	0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x31, 0x10, 0x01, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56,
+	0x45, 0x4c, 0x32, 0x10, 0x02, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x33, 0x10,
+	0x03, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x34, 0x10, 0x04, 0x12, 0x0a, 0x0a,
+	0x06, 0x4c, 0x45, 0x56, 0x45, 0x4c, 0x35, 0x10, 0x05, 0x12, 0x0a, 0x0a, 0x06, 0x4c, 0x45, 0x56,
+	0x45, 0x4c, 0x36, 0x10, 0x06, 0x42, 0x29, 0x5a, 0x27, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f,
+	0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f,
+	0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x76, 0x32, 0x3b, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/pkg/apis/common/v2/common.pb.validate.go b/pkg/apis/common/v2/common.pb.validate.go
index 4b2f459..58be0e7 100644
--- a/pkg/apis/common/v2/common.pb.validate.go
+++ b/pkg/apis/common/v2/common.pb.validate.go
@@ -2685,13 +2685,13 @@ func (m *ObjectStorage) validate(all bool) error {
 
 	}
 
-	if m.Credential != nil {
+	if m.CredentialPath != nil {
 
-		if m.GetCredential() != "" {
+		if m.GetCredentialPath() != "" {
 
-			if utf8.RuneCountInString(m.GetCredential()) < 1 {
+			if utf8.RuneCountInString(m.GetCredentialPath()) < 1 {
 				err := ObjectStorageValidationError{
-					field:  "Credential",
+					field:  "CredentialPath",
 					reason: "value length must be at least 1 runes",
 				}
 				if !all {
diff --git a/pkg/apis/common/v2/common.proto b/pkg/apis/common/v2/common.proto
index d04c0a9..87f7b42 100644
--- a/pkg/apis/common/v2/common.proto
+++ b/pkg/apis/common/v2/common.proto
@@ -421,8 +421,8 @@ message ObjectStorage {
   string access_key_secret = 4 [(validate.rules).string.min_len = 1];
   // Session token that used to access s3 storage service.
   optional string session_token = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}]; 
-  // Credential service account that used for the Google Cloud Storage service.
-  optional string credential = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  // Local path to credential file for Google Cloud Storage service OAuth2 authentication.
+  optional string credential_path = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
   // Predefined ACL that used for the Google Cloud Storage service.
   optional string predefined_acl = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }
diff --git a/proto/common.proto b/proto/common.proto
index 27ae34a..878bf5d 100644
--- a/proto/common.proto
+++ b/proto/common.proto
@@ -417,8 +417,8 @@ message ObjectStorage {
   string access_key_secret = 4;
   // Session token that used to access s3 storage service.
   optional string session_token = 5; 
-  // Credential service account that used for the Google Cloud Storage service.
-  optional string credential = 6;
+  // Local path to credential file for Google Cloud Storage service OAuth2 authentication.
+  optional string credential_path = 6;
   // Predefined ACL that used for the Google Cloud Storage service.
   optional string predefined_acl = 7;
 }
diff --git a/src/common.v2.rs b/src/common.v2.rs
index 73aee7a..f1de1d3 100644
--- a/src/common.v2.rs
+++ b/src/common.v2.rs
@@ -476,9 +476,9 @@ pub struct ObjectStorage {
     /// Session token that used to access s3 storage service.
     #[prost(string, optional, tag = "5")]
     pub session_token: ::core::option::Option<::prost::alloc::string::String>,
-    /// Credential service account that used for the Google Cloud Storage service.
+    /// Local path to credential file for Google Cloud Storage service OAuth2 authentication.
     #[prost(string, optional, tag = "6")]
-    pub credential: ::core::option::Option<::prost::alloc::string::String>,
+    pub credential_path: ::core::option::Option<::prost::alloc::string::String>,
     /// Predefined ACL that used for the Google Cloud Storage service.
     #[prost(string, optional, tag = "7")]
     pub predefined_acl: ::core::option::Option<::prost::alloc::string::String>,
diff --git a/src/descriptor.bin b/src/descriptor.bin
index 1e42205..b1bfa70 100644
Binary files a/src/descriptor.bin and b/src/descriptor.bin differ