Merge pull request #5579 from gyuho/request_union

RequestOp, ResponseOp
2024-09-27 06:25:44 +00:00 · 2016-06-07 13:54:59 -07:00 · 2016-06-07 13:54:59 -07:00 · 50ef8f148c
commit 50ef8f148c
parent 0d1133178f 1610391449
20 changed files with 585 additions and 567 deletions
--- a/Documentation/dev-guide/api_reference_v3.md
+++ b/Documentation/dev-guide/api_reference_v3.md
@ -12,13 +12,13 @@
 | UserGet | AuthUserGetRequest | AuthUserGetResponse | UserGet gets detailed user information or lists all users. |
 | UserDelete | AuthUserDeleteRequest | AuthUserDeleteResponse | UserDelete deletes a specified user. |
 | UserChangePassword | AuthUserChangePasswordRequest | AuthUserChangePasswordResponse | UserChangePassword changes the password of a specified user. |
-| UserGrant | AuthUserGrantRequest | AuthUserGrantResponse | UserGrant grants a role to a specified user. |
-| UserRevoke | AuthUserRevokeRequest | AuthUserRevokeResponse | UserRevoke revokes a role of specified user. |
+| UserGrantRole | AuthUserGrantRoleRequest | AuthUserGrantRoleResponse | UserGrant grants a role to a specified user. |
+| UserRevokeRole | AuthUserRevokeRoleRequest | AuthUserRevokeRoleResponse | UserRevokeRole revokes a role of specified user. |
 | RoleAdd | AuthRoleAddRequest | AuthRoleAddResponse | RoleAdd adds a new role. |
 | RoleGet | AuthRoleGetRequest | AuthRoleGetResponse | RoleGet gets detailed role information or lists all roles. |
 | RoleDelete | AuthRoleDeleteRequest | AuthRoleDeleteResponse | RoleDelete deletes a specified role. |
-| RoleGrant | AuthRoleGrantRequest | AuthRoleGrantResponse | RoleGrant grants a permission of a specified key or range to a specified role. |
-| RoleRevoke | AuthRoleRevokeRequest | AuthRoleRevokeResponse | RoleRevoke revokes a key or range permission of a specified role. |
+| RoleGrantPermission | AuthRoleGrantPermissionRequest | AuthRoleGrantPermissionResponse | RoleGrantPermission grants a permission of a specified key or range to a specified role. |
+| RoleRevokePermission | AuthRoleRevokePermissionRequest | AuthRoleRevokePermissionResponse | RoleRevokePermission revokes a key or range permission of a specified role. |



@ -149,7 +149,9 @@ Empty field.

 ##### message `AuthRoleDeleteRequest` (etcdserver/etcdserverpb/rpc.proto)

-Empty field.
+| Field | Description | Type |
+| ----- | ----------- | ---- |
+| role |  | string |



@ -163,7 +165,9 @@ Empty field.

 ##### message `AuthRoleGetRequest` (etcdserver/etcdserverpb/rpc.proto)

-Empty field.
+| Field | Description | Type |
+| ----- | ----------- | ---- |
+| role |  | string |



@ -172,10 +176,11 @@ Empty field.
 | Field | Description | Type |
 | ----- | ----------- | ---- |
 | header |  | ResponseHeader |
+| perm |  | (slice of) authpb.Permission |



-##### message `AuthRoleGrantRequest` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthRoleGrantPermissionRequest` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -184,7 +189,7 @@ Empty field.



-##### message `AuthRoleGrantResponse` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthRoleGrantPermissionResponse` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -192,13 +197,16 @@ Empty field.



-##### message `AuthRoleRevokeRequest` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthRoleRevokePermissionRequest` (etcdserver/etcdserverpb/rpc.proto)

-Empty field.
+| Field | Description | Type |
+| ----- | ----------- | ---- |
+| role |  | string |
+| key |  | string |



-##### message `AuthRoleRevokeResponse` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthRoleRevokePermissionResponse` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -258,7 +266,9 @@ Empty field.

 ##### message `AuthUserGetRequest` (etcdserver/etcdserverpb/rpc.proto)

-Empty field.
+| Field | Description | Type |
+| ----- | ----------- | ---- |
+| name |  | string |



@ -267,10 +277,11 @@ Empty field.
 | Field | Description | Type |
 | ----- | ----------- | ---- |
 | header |  | ResponseHeader |
+| roles |  | (slice of) string |



-##### message `AuthUserGrantRequest` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthUserGrantRoleRequest` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -279,7 +290,7 @@ Empty field.



-##### message `AuthUserGrantResponse` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthUserGrantRoleResponse` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -287,13 +298,16 @@ Empty field.



-##### message `AuthUserRevokeRequest` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthUserRevokeRoleRequest` (etcdserver/etcdserverpb/rpc.proto)

-Empty field.
+| Field | Description | Type |
+| ----- | ----------- | ---- |
+| name |  | string |
+| role |  | string |



-##### message `AuthUserRevokeResponse` (etcdserver/etcdserverpb/rpc.proto)
+##### message `AuthUserRevokeRoleResponse` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -572,7 +586,7 @@ Empty field.



-##### message `RequestUnion` (etcdserver/etcdserverpb/rpc.proto)
+##### message `RequestOp` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -594,7 +608,7 @@ Empty field.



-##### message `ResponseUnion` (etcdserver/etcdserverpb/rpc.proto)
+##### message `ResponseOp` (etcdserver/etcdserverpb/rpc.proto)

 | Field | Description | Type |
 | ----- | ----------- | ---- |
@ -647,8 +661,8 @@ From google paxosdb paper: Our implementation hinges around a powerful primitive
 | Field | Description | Type |
 | ----- | ----------- | ---- |
 | compare | compare is a list of predicates representing a conjunction of terms. If the comparisons succeed, then the success requests will be processed in order, and the response will contain their respective responses in order. If the comparisons fail, then the failure requests will be processed in order, and the response will contain their respective responses in order. | (slice of) Compare |
-| success | success is a list of requests which will be applied when compare evaluates to true. | (slice of) RequestUnion |
-| failure | failure is a list of requests which will be applied when compare evaluates to false. | (slice of) RequestUnion |
+| success | success is a list of requests which will be applied when compare evaluates to true. | (slice of) RequestOp |
+| failure | failure is a list of requests which will be applied when compare evaluates to false. | (slice of) RequestOp |



@ -658,7 +672,7 @@ From google paxosdb paper: Our implementation hinges around a powerful primitive
 | ----- | ----------- | ---- |
 | header |  | ResponseHeader |
 | succeeded | succeeded is set to true if the compare evaluated to true or false otherwise. | bool |
-| responses | responses is a list of responses corresponding to the results from applying success if succeeded is true or failure if succeeded is false. | (slice of) ResponseUnion |
+| responses | responses is a list of responses corresponding to the results from applying success if succeeded is true or failure if succeeded is false. | (slice of) ResponseOp |



--- a/auth/authpb/auth.pb.go
+++ b/auth/authpb/auth.pb.go
@ -756,7 +756,7 @@ var (
 )

 var fileDescriptorAuth = []byte{
-	// 254 bytes of a gzipped FileDescriptorProto
+	// 265 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0x4a, 0x2c, 0x2d, 0xc9,
 	0xd0, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0x03, 0xb1, 0x0b, 0x92, 0xa4, 0x44, 0xd2, 0xf3,
 	0xd3, 0xf3, 0xc1, 0x42, 0xfa, 0x20, 0x16, 0x44, 0x56, 0xc9, 0x87, 0x8b, 0x25, 0xb4, 0x38, 0xb5,
@ -764,13 +764,14 @@ var fileDescriptorAuth = []byte{
 	0xcc, 0x16, 0x92, 0xe2, 0xe2, 0x28, 0x48, 0x2c, 0x2e, 0x2e, 0xcf, 0x2f, 0x4a, 0x91, 0x60, 0x02,
 	0x8b, 0xc3, 0xf9, 0x42, 0x22, 0x5c, 0xac, 0x45, 0xf9, 0x39, 0xa9, 0xc5, 0x12, 0xcc, 0x0a, 0xcc,
 	0x1a, 0x9c, 0x41, 0x10, 0x8e, 0x52, 0x3d, 0x17, 0x57, 0x40, 0x6a, 0x51, 0x6e, 0x66, 0x71, 0x71,
-	0x66, 0x7e, 0x9e, 0x90, 0x00, 0x17, 0x73, 0x76, 0x6a, 0x25, 0xd4, 0x48, 0x10, 0x53, 0xc8, 0x18,
-	0x68, 0x22, 0x50, 0x3e, 0xa4, 0xb2, 0x20, 0x15, 0x6c, 0x22, 0x9f, 0x91, 0xb8, 0x1e, 0xc4, 0x79,
-	0x7a, 0x08, 0x7d, 0x7a, 0x20, 0xe9, 0x20, 0xb8, 0x42, 0x25, 0x2d, 0x2e, 0x16, 0x10, 0x2d, 0xc4,
-	0xc1, 0xc5, 0x12, 0xe4, 0xea, 0xe8, 0x22, 0xc0, 0x20, 0xc4, 0xc9, 0xc5, 0x1a, 0x1e, 0xe4, 0x19,
-	0xe2, 0x2a, 0xc0, 0x28, 0xc4, 0xcb, 0xc5, 0x09, 0x12, 0x84, 0x70, 0x99, 0x94, 0x42, 0x80, 0x6a,
-	0x80, 0x2e, 0xc1, 0xea, 0x1d, 0x0b, 0x2e, 0x5e, 0xa0, 0x1b, 0x10, 0xf6, 0x00, 0x5d, 0xc0, 0xac,
-	0xc1, 0x6d, 0x24, 0x84, 0xe9, 0x82, 0x20, 0x54, 0x85, 0x4e, 0x22, 0x27, 0x1e, 0xca, 0x31, 0x5c,
-	0x00, 0xe2, 0x13, 0x8f, 0xe4, 0x18, 0x2f, 0x00, 0xf1, 0x03, 0x20, 0x4e, 0x62, 0x03, 0x87, 0xa0,
-	0x31, 0x20, 0x00, 0x00, 0xff, 0xff, 0x92, 0x06, 0xa1, 0xed, 0x6d, 0x01, 0x00, 0x00,
+	0x66, 0x7e, 0x9e, 0x90, 0x00, 0x17, 0x73, 0x76, 0x6a, 0x25, 0xd4, 0x48, 0x10, 0x53, 0xc8, 0x98,
+	0x8b, 0xa3, 0x20, 0xb5, 0x28, 0x37, 0xa4, 0xb2, 0x20, 0x15, 0x6c, 0x22, 0x9f, 0x91, 0xb8, 0x1e,
+	0xc4, 0x79, 0x7a, 0x08, 0x7d, 0x7a, 0x20, 0xe9, 0x20, 0xb8, 0x42, 0x25, 0x2d, 0x2e, 0x16, 0x10,
+	0x2d, 0xc4, 0xc1, 0xc5, 0x12, 0xe4, 0xea, 0xe8, 0x22, 0xc0, 0x20, 0xc4, 0xc9, 0xc5, 0x1a, 0x1e,
+	0xe4, 0x19, 0xe2, 0x2a, 0xc0, 0x28, 0xc4, 0xcb, 0xc5, 0x09, 0x12, 0x84, 0x70, 0x99, 0x94, 0x42,
+	0xb8, 0x58, 0x82, 0xf2, 0x73, 0x52, 0xb1, 0x7a, 0xc7, 0x82, 0x8b, 0x37, 0x3b, 0xb5, 0x12, 0x61,
+	0x8f, 0x04, 0x93, 0x02, 0xb3, 0x06, 0xb7, 0x91, 0x10, 0xa6, 0x0b, 0x82, 0x50, 0x15, 0x3a, 0x89,
+	0x9c, 0x78, 0x28, 0xc7, 0x70, 0xe1, 0xa1, 0x1c, 0xc3, 0x89, 0x47, 0x72, 0x8c, 0x17, 0x1e, 0xc9,
+	0x31, 0x3e, 0x78, 0x24, 0xc7, 0x98, 0xc4, 0x06, 0x0e, 0x41, 0x63, 0x40, 0x00, 0x00, 0x00, 0xff,
+	0xff, 0x92, 0x06, 0xa1, 0xed, 0x6d, 0x01, 0x00, 0x00,
 }
--- a/clientv3/op.go
+++ b/clientv3/op.go
@ -53,7 +53,7 @@ type Op struct {
 	leaseID LeaseID
 }

-func (op Op) toRequestUnion() *pb.RequestUnion {
+func (op Op) toRequestOp() *pb.RequestOp {
 	switch op.t {
 	case tRange:
 		r := &pb.RangeRequest{Key: op.key, RangeEnd: op.end, Limit: op.limit, Revision: op.rev, Serializable: op.serializable}
@ -61,13 +61,13 @@ func (op Op) toRequestUnion() *pb.RequestUnion {
 			r.SortOrder = pb.RangeRequest_SortOrder(op.sort.Order)
 			r.SortTarget = pb.RangeRequest_SortTarget(op.sort.Target)
 		}
-		return &pb.RequestUnion{Request: &pb.RequestUnion_RequestRange{RequestRange: r}}
+		return &pb.RequestOp{Request: &pb.RequestOp_RequestRange{RequestRange: r}}
 	case tPut:
 		r := &pb.PutRequest{Key: op.key, Value: op.val, Lease: int64(op.leaseID)}
-		return &pb.RequestUnion{Request: &pb.RequestUnion_RequestPut{RequestPut: r}}
+		return &pb.RequestOp{Request: &pb.RequestOp_RequestPut{RequestPut: r}}
 	case tDeleteRange:
 		r := &pb.DeleteRangeRequest{Key: op.key, RangeEnd: op.end}
-		return &pb.RequestUnion{Request: &pb.RequestUnion_RequestDeleteRange{RequestDeleteRange: r}}
+		return &pb.RequestOp{Request: &pb.RequestOp_RequestDeleteRange{RequestDeleteRange: r}}
 	default:
 		panic("Unknown Op")
 	}
--- a/clientv3/txn.go
+++ b/clientv3/txn.go
@ -66,8 +66,8 @@ type txn struct {

 	cmps []*pb.Compare

-	sus []*pb.RequestUnion
-	fas []*pb.RequestUnion
+	sus []*pb.RequestOp
+	fas []*pb.RequestOp
 }

 func (txn *txn) If(cs ...Cmp) Txn {
@ -110,7 +110,7 @@ func (txn *txn) Then(ops ...Op) Txn {

 	for _, op := range ops {
 		txn.isWrite = txn.isWrite || op.isWrite()
-		txn.sus = append(txn.sus, op.toRequestUnion())
+		txn.sus = append(txn.sus, op.toRequestOp())
 	}

 	return txn
@ -128,7 +128,7 @@ func (txn *txn) Else(ops ...Op) Txn {

 	for _, op := range ops {
 		txn.isWrite = txn.isWrite || op.isWrite()
-		txn.fas = append(txn.fas, op.toRequestUnion())
+		txn.fas = append(txn.fas, op.toRequestOp())
 	}

 	return txn
--- a/etcdctl/ctlv3/command/printer.go
+++ b/etcdctl/ctlv3/command/printer.go
@ -128,11 +128,11 @@ func (s *simplePrinter) Txn(resp v3.TxnResponse) {
 	for _, r := range resp.Responses {
 		fmt.Println("")
 		switch v := r.Response.(type) {
-		case *pb.ResponseUnion_ResponseDeleteRange:
+		case *pb.ResponseOp_ResponseDeleteRange:
 			s.Del((v3.DeleteResponse)(*v.ResponseDeleteRange))
-		case *pb.ResponseUnion_ResponsePut:
+		case *pb.ResponseOp_ResponsePut:
 			s.Put((v3.PutResponse)(*v.ResponsePut))
-		case *pb.ResponseUnion_ResponseRange:
+		case *pb.ResponseOp_ResponseRange:
 			s.Get(((v3.GetResponse)(*v.ResponseRange)))
 		default:
 			fmt.Printf("unexpected response %+v\n", r)
--- a/etcdserver/api/v3rpc/key.go
+++ b/etcdserver/api/v3rpc/key.go
@ -156,7 +156,7 @@ func checkTxnRequest(r *pb.TxnRequest) error {
 	}

 	for _, u := range r.Success {
-		if err := checkRequestUnion(u); err != nil {
+		if err := checkRequestOp(u); err != nil {
 			return err
 		}
 	}
@ -165,7 +165,7 @@ func checkTxnRequest(r *pb.TxnRequest) error {
 	}

 	for _, u := range r.Failure {
-		if err := checkRequestUnion(u); err != nil {
+		if err := checkRequestOp(u); err != nil {
 			return err
 		}
 	}
@ -173,11 +173,11 @@ func checkTxnRequest(r *pb.TxnRequest) error {
 }

 // checkRequestDupKeys gives rpctypes.ErrGRPCDuplicateKey if the same key is modified twice
-func checkRequestDupKeys(reqs []*pb.RequestUnion) error {
+func checkRequestDupKeys(reqs []*pb.RequestOp) error {
 	// check put overlap
 	keys := make(map[string]struct{})
 	for _, requ := range reqs {
-		tv, ok := requ.Request.(*pb.RequestUnion_RequestPut)
+		tv, ok := requ.Request.(*pb.RequestOp_RequestPut)
 		if !ok {
 			continue
 		}
@ -205,7 +205,7 @@ func checkRequestDupKeys(reqs []*pb.RequestUnion) error {

 	// check put overlap with deletes
 	for _, requ := range reqs {
-		tv, ok := requ.Request.(*pb.RequestUnion_RequestDeleteRange)
+		tv, ok := requ.Request.(*pb.RequestOp_RequestDeleteRange)
 		if !ok {
 			continue
 		}
@ -230,23 +230,23 @@ func checkRequestDupKeys(reqs []*pb.RequestUnion) error {
 	return nil
 }

-func checkRequestUnion(u *pb.RequestUnion) error {
+func checkRequestOp(u *pb.RequestOp) error {
 	// TODO: ensure only one of the field is set.
 	switch uv := u.Request.(type) {
-	case *pb.RequestUnion_RequestRange:
+	case *pb.RequestOp_RequestRange:
 		if uv.RequestRange != nil {
 			return checkRangeRequest(uv.RequestRange)
 		}
-	case *pb.RequestUnion_RequestPut:
+	case *pb.RequestOp_RequestPut:
 		if uv.RequestPut != nil {
 			return checkPutRequest(uv.RequestPut)
 		}
-	case *pb.RequestUnion_RequestDeleteRange:
+	case *pb.RequestOp_RequestDeleteRange:
 		if uv.RequestDeleteRange != nil {
 			return checkDeleteRequest(uv.RequestDeleteRange)
 		}
 	default:
-		// empty union
+		// empty op
 		return nil
 	}
 	return nil
--- a/etcdserver/apply.go
+++ b/etcdserver/apply.go
@ -269,7 +269,7 @@ func (a *applierV3backend) Txn(rt *pb.TxnRequest) (*pb.TxnResponse, error) {
 		}
 	}

-	var reqs []*pb.RequestUnion
+	var reqs []*pb.RequestOp
 	if ok {
 		reqs = rt.Success
 	} else {
@ -295,7 +295,7 @@ func (a *applierV3backend) Txn(rt *pb.TxnRequest) (*pb.TxnResponse, error) {
 		}
 	}()

-	resps := make([]*pb.ResponseUnion, len(reqs))
+	resps := make([]*pb.ResponseOp, len(reqs))
 	changedKV := false
 	for i := range reqs {
 		if reqs[i].GetRequestRange() == nil {
@ -384,31 +384,31 @@ func (a *applierV3backend) applyCompare(c *pb.Compare) (int64, bool) {
 	return rev, true
 }

-func (a *applierV3backend) applyUnion(txnID int64, union *pb.RequestUnion) *pb.ResponseUnion {
+func (a *applierV3backend) applyUnion(txnID int64, union *pb.RequestOp) *pb.ResponseOp {
 	switch tv := union.Request.(type) {
-	case *pb.RequestUnion_RequestRange:
+	case *pb.RequestOp_RequestRange:
 		if tv.RequestRange != nil {
 			resp, err := a.Range(txnID, tv.RequestRange)
 			if err != nil {
 				panic("unexpected error during txn")
 			}
-			return &pb.ResponseUnion{Response: &pb.ResponseUnion_ResponseRange{ResponseRange: resp}}
+			return &pb.ResponseOp{Response: &pb.ResponseOp_ResponseRange{ResponseRange: resp}}
 		}
-	case *pb.RequestUnion_RequestPut:
+	case *pb.RequestOp_RequestPut:
 		if tv.RequestPut != nil {
 			resp, err := a.Put(txnID, tv.RequestPut)
 			if err != nil {
 				panic("unexpected error during txn")
 			}
-			return &pb.ResponseUnion{Response: &pb.ResponseUnion_ResponsePut{ResponsePut: resp}}
+			return &pb.ResponseOp{Response: &pb.ResponseOp_ResponsePut{ResponsePut: resp}}
 		}
-	case *pb.RequestUnion_RequestDeleteRange:
+	case *pb.RequestOp_RequestDeleteRange:
 		if tv.RequestDeleteRange != nil {
 			resp, err := a.DeleteRange(txnID, tv.RequestDeleteRange)
 			if err != nil {
 				panic("unexpected error during txn")
 			}
-			return &pb.ResponseUnion{Response: &pb.ResponseUnion_ResponseDeleteRange{ResponseDeleteRange: resp}}
+			return &pb.ResponseOp{Response: &pb.ResponseOp_ResponseDeleteRange{ResponseDeleteRange: resp}}
 		}
 	default:
 		// empty union
@ -653,9 +653,9 @@ func (s *kvSortByValue) Less(i, j int) bool {
 	return bytes.Compare(s.kvs[i].Value, s.kvs[j].Value) < 0
 }

-func (a *applierV3backend) checkRequestLeases(reqs []*pb.RequestUnion) error {
+func (a *applierV3backend) checkRequestLeases(reqs []*pb.RequestOp) error {
 	for _, requ := range reqs {
-		tv, ok := requ.Request.(*pb.RequestUnion_RequestPut)
+		tv, ok := requ.Request.(*pb.RequestOp_RequestPut)
 		if !ok {
 			continue
 		}
@ -670,9 +670,9 @@ func (a *applierV3backend) checkRequestLeases(reqs []*pb.RequestUnion) error {
 	return nil
 }

-func (a *applierV3backend) checkRequestRange(reqs []*pb.RequestUnion) error {
+func (a *applierV3backend) checkRequestRange(reqs []*pb.RequestOp) error {
 	for _, requ := range reqs {
-		tv, ok := requ.Request.(*pb.RequestUnion_RequestRange)
+		tv, ok := requ.Request.(*pb.RequestOp_RequestRange)
 		if !ok {
 			continue
 		}
--- a/etcdserver/etcdserverpb/etcdserver.pb.go
+++ b/etcdserver/etcdserverpb/etcdserver.pb.go
@ -23,8 +23,8 @@
 		PutResponse
 		DeleteRangeRequest
 		DeleteRangeResponse
-		RequestUnion
-		ResponseUnion
+		RequestOp
+		ResponseOp
 		Compare
 		TxnRequest
 		TxnResponse
@ -1006,30 +1006,30 @@ var (
 )

 var fileDescriptorEtcdserver = []byte{
-	// 388 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x5c, 0x92, 0xd1, 0xee, 0xd2, 0x30,
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--- a/etcdserver/etcdserverpb/raft_internal.pb.go
+++ b/etcdserver/etcdserverpb/raft_internal.pb.go
@ -1697,51 +1697,51 @@ var (
 )

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+	0x94, 0xc2, 0xec, 0x4b, 0xd3, 0x18, 0x7e, 0xa4, 0x28, 0x10, 0xf0, 0x4e, 0x93, 0x72, 0x20, 0xff,
+	0x14, 0xe5, 0xf2, 0x38, 0x25, 0x91, 0x24, 0x98, 0x4c, 0x1d, 0xde, 0x41, 0x15, 0x39, 0x8d, 0x78,
+	0x2e, 0x2e, 0xf5, 0x3c, 0xf2, 0x65, 0x36, 0x6f, 0x9c, 0xe7, 0x31, 0xb0, 0xba, 0xe7, 0x65, 0xc6,
+	0xd1, 0x31, 0xfc, 0x14, 0x2d, 0xa4, 0x18, 0x75, 0x17, 0xc9, 0x57, 0x45, 0xba, 0x62, 0x27, 0xe9,
+	0x4b, 0xac, 0x61, 0xf3, 0x34, 0x13, 0xce, 0x8e, 0xd5, 0x02, 0x4e, 0xbe, 0x9d, 0x3a, 0xd6, 0x2e,
+	0xf0, 0xb1, 0xb1, 0x76, 0x81, 0xe3, 0x16, 0xba, 0x98, 0x62, 0x9a, 0x6d, 0xf1, 0x3a, 0xdc, 0x88,
+	0xc6, 0xf1, 0xdb, 0x90, 0x79, 0xe4, 0xbb, 0x42, 0xde, 0xb4, 0x23, 0xb7, 0xa5, 0x7a, 0x5f, 0x8b,
+	0x13, 0xfa, 0x79, 0x6a, 0x4d, 0xe3, 0x17, 0x68, 0x69, 0x68, 0x5e, 0x71, 0xad, 0x5d, 0x16, 0xfa,
+	0x40, 0x4e, 0x54, 0x8f, 0x6b, 0x39, 0x63, 0xcb, 0x27, 0x11, 0xa6, 0x16, 0x9f, 0xa3, 0xa3, 0x19,
+	0xfc, 0x12, 0x2d, 0xa7, 0x64, 0xf5, 0x42, 0x14, 0xfa, 0x87, 0x42, 0x5f, 0xb7, 0xa3, 0xf5, 0x53,
+	0x19, 0x62, 0x63, 0x3a, 0x96, 0x32, 0xc7, 0x2c, 0x80, 0xd2, 0xfd, 0xf7, 0xa5, 0xbc, 0x63, 0x16,
+	0xfa, 0x51, 0xf7, 0x75, 0xcc, 0xb8, 0x2f, 0x31, 0xda, 0xfd, 0x0f, 0xa5, 0x3c, 0xf7, 0x45, 0x95,
+	0xc5, 0xfd, 0x34, 0x9c, 0x1d, 0x4b, 0xb8, 0xff, 0xf1, 0xd4, 0xb1, 0x46, 0xdd, 0xd7, 0x31, 0xfc,
+	0x0a, 0x55, 0x87, 0x30, 0xd2, 0x94, 0x08, 0x58, 0xb7, 0x13, 0xc7, 0xe2, 0x7f, 0xdd, 0x27, 0xc5,
+	0xbc, 0x95, 0xc3, 0x14, 0xf2, 0x7d, 0xa3, 0x4e, 0xf8, 0x17, 0xa8, 0x3d, 0x8f, 0xbb, 0x68, 0x25,
+	0xed, 0xa5, 0x6d, 0x1a, 0x6a, 0xf6, 0x59, 0x35, 0xbb, 0x6d, 0x6f, 0xa6, 0x1c, 0x19, 0xef, 0x46,
+	0x68, 0x8e, 0x60, 0xed, 0x2c, 0xaa, 0xec, 0x74, 0x23, 0xfe, 0xce, 0x81, 0x38, 0x0a, 0x83, 0x18,
+	0x1e, 0x2e, 0x1c, 0xff, 0xae, 0x9d, 0x39, 0x1e, 0xd4, 0x0a, 0x27, 0x83, 0x5a, 0xe1, 0xd7, 0xa0,
+	0x56, 0x38, 0x98, 0x96, 0xbf, 0x9d, 0x5b, 0xff, 0x03, 0x00, 0x00, 0xff, 0xff, 0xac, 0x8d, 0xf6,
+	0xc5, 0x93, 0x07, 0x00, 0x00,
 }
--- a/etcdserver/etcdserverpb/rpc.pb.go
+++ b/etcdserver/etcdserverpb/rpc.pb.go
--- a/etcdserver/etcdserverpb/rpc.proto
+++ b/etcdserver/etcdserverpb/rpc.proto
@ -229,7 +229,7 @@ message DeleteRangeResponse {
  int64 deleted = 2;
 }

-message RequestUnion {
+message RequestOp {
  // request is a union of request types accepted by a transaction.
  oneof request {
    RangeRequest request_range = 1;
@ -238,7 +238,7 @@ message RequestUnion {
  }
 }

-message ResponseUnion {
+message ResponseOp {
  // response is a union of response types returned by a transaction.
  oneof response {
    RangeResponse response_range = 1;
@ -300,9 +300,9 @@ message TxnRequest {
  // and the response will contain their respective responses in order.
  repeated Compare compare = 1;
  // success is a list of requests which will be applied when compare evaluates to true.
-  repeated RequestUnion success = 2;
+  repeated RequestOp success = 2;
  // failure is a list of requests which will be applied when compare evaluates to false.
-  repeated RequestUnion failure = 3;
+  repeated RequestOp failure = 3;
 }

 message TxnResponse {
@ -311,7 +311,7 @@ message TxnResponse {
  bool succeeded = 2;
  // responses is a list of responses corresponding to the results from applying
  // success if succeeded is true or failure if succeeded is false.
-  repeated ResponseUnion responses = 3;
+  repeated ResponseOp responses = 3;
 }

 // CompactionRequest compacts the key-value store up to a given revision. All superseded keys
--- a/etcdserver/quota.go
+++ b/etcdserver/quota.go
@ -86,7 +86,7 @@ func (b *backendQuota) Cost(v interface{}) int {

 func costPut(r *pb.PutRequest) int { return kvOverhead + len(r.Key) + len(r.Value) }

-func costTxnReq(u *pb.RequestUnion) int {
+func costTxnReq(u *pb.RequestOp) int {
 	r := u.GetRequestPut()
 	if r == nil {
 		return 0
--- a/integration/v3_grpc_test.go
+++ b/integration/v3_grpc_test.go
@ -157,8 +157,8 @@ func TestV3TxnTooManyOps(t *testing.T) {
 	}
 	addSuccessOps := func(txn *pb.TxnRequest) {
 		txn.Success = append(txn.Success,
-			&pb.RequestUnion{
-				Request: &pb.RequestUnion_RequestPut{
+			&pb.RequestOp{
+				Request: &pb.RequestOp_RequestPut{
 					RequestPut: &pb.PutRequest{
 						Key:   keyf(),
 						Value: []byte("bar"),
@ -168,8 +168,8 @@ func TestV3TxnTooManyOps(t *testing.T) {
 	}
 	addFailureOps := func(txn *pb.TxnRequest) {
 		txn.Failure = append(txn.Failure,
-			&pb.RequestUnion{
-				Request: &pb.RequestUnion_RequestPut{
+			&pb.RequestOp{
+				Request: &pb.RequestOp_RequestPut{
 					RequestPut: &pb.PutRequest{
 						Key:   keyf(),
 						Value: []byte("bar"),
@ -202,20 +202,20 @@ func TestV3TxnDuplicateKeys(t *testing.T) {
 	clus := NewClusterV3(t, &ClusterConfig{Size: 3})
 	defer clus.Terminate(t)

-	putreq := &pb.RequestUnion{Request: &pb.RequestUnion_RequestPut{RequestPut: &pb.PutRequest{Key: []byte("abc"), Value: []byte("def")}}}
-	delKeyReq := &pb.RequestUnion{Request: &pb.RequestUnion_RequestDeleteRange{
+	putreq := &pb.RequestOp{Request: &pb.RequestOp_RequestPut{RequestPut: &pb.PutRequest{Key: []byte("abc"), Value: []byte("def")}}}
+	delKeyReq := &pb.RequestOp{Request: &pb.RequestOp_RequestDeleteRange{
 		RequestDeleteRange: &pb.DeleteRangeRequest{
 			Key: []byte("abc"),
 		},
 	},
 	}
-	delInRangeReq := &pb.RequestUnion{Request: &pb.RequestUnion_RequestDeleteRange{
+	delInRangeReq := &pb.RequestOp{Request: &pb.RequestOp_RequestDeleteRange{
 		RequestDeleteRange: &pb.DeleteRangeRequest{
 			Key: []byte("a"), RangeEnd: []byte("b"),
 		},
 	},
 	}
-	delOutOfRangeReq := &pb.RequestUnion{Request: &pb.RequestUnion_RequestDeleteRange{
+	delOutOfRangeReq := &pb.RequestOp{Request: &pb.RequestOp_RequestDeleteRange{
 		RequestDeleteRange: &pb.DeleteRangeRequest{
 			Key: []byte("abb"), RangeEnd: []byte("abc"),
 		},
@ -224,32 +224,32 @@ func TestV3TxnDuplicateKeys(t *testing.T) {

 	kvc := toGRPC(clus.RandClient()).KV
 	tests := []struct {
-		txnSuccess []*pb.RequestUnion
+		txnSuccess []*pb.RequestOp

 		werr error
 	}{
 		{
-			txnSuccess: []*pb.RequestUnion{putreq, putreq},
+			txnSuccess: []*pb.RequestOp{putreq, putreq},

 			werr: rpctypes.ErrGRPCDuplicateKey,
 		},
 		{
-			txnSuccess: []*pb.RequestUnion{putreq, delKeyReq},
+			txnSuccess: []*pb.RequestOp{putreq, delKeyReq},

 			werr: rpctypes.ErrGRPCDuplicateKey,
 		},
 		{
-			txnSuccess: []*pb.RequestUnion{putreq, delInRangeReq},
+			txnSuccess: []*pb.RequestOp{putreq, delInRangeReq},

 			werr: rpctypes.ErrGRPCDuplicateKey,
 		},
 		{
-			txnSuccess: []*pb.RequestUnion{delKeyReq, delInRangeReq, delKeyReq, delInRangeReq},
+			txnSuccess: []*pb.RequestOp{delKeyReq, delInRangeReq, delKeyReq, delInRangeReq},

 			werr: nil,
 		},
 		{
-			txnSuccess: []*pb.RequestUnion{putreq, delOutOfRangeReq},
+			txnSuccess: []*pb.RequestOp{putreq, delOutOfRangeReq},

 			werr: nil,
 		},
@ -276,8 +276,8 @@ func TestV3TxnRevision(t *testing.T) {
 		t.Fatal(err)
 	}

-	txnget := &pb.RequestUnion{Request: &pb.RequestUnion_RequestRange{RequestRange: &pb.RangeRequest{Key: []byte("abc")}}}
-	txn := &pb.TxnRequest{Success: []*pb.RequestUnion{txnget}}
+	txnget := &pb.RequestOp{Request: &pb.RequestOp_RequestRange{RequestRange: &pb.RangeRequest{Key: []byte("abc")}}}
+	txn := &pb.TxnRequest{Success: []*pb.RequestOp{txnget}}
 	tresp, err := kvc.Txn(context.TODO(), txn)
 	if err != nil {
 		t.Fatal(err)
@ -288,8 +288,8 @@ func TestV3TxnRevision(t *testing.T) {
 		t.Fatalf("got rev %d, wanted rev %d", tresp.Header.Revision, presp.Header.Revision)
 	}

-	txnput := &pb.RequestUnion{Request: &pb.RequestUnion_RequestPut{RequestPut: &pb.PutRequest{Key: []byte("abc"), Value: []byte("123")}}}
-	txn = &pb.TxnRequest{Success: []*pb.RequestUnion{txnput}}
+	txnput := &pb.RequestOp{Request: &pb.RequestOp_RequestPut{RequestPut: &pb.PutRequest{Key: []byte("abc"), Value: []byte("123")}}}
+	txn = &pb.TxnRequest{Success: []*pb.RequestOp{txnput}}
 	tresp, err = kvc.Txn(context.TODO(), txn)
 	if err != nil {
 		t.Fatal(err)
@ -320,8 +320,8 @@ func TestV3PutMissingLease(t *testing.T) {
 		// txn success case
 		func() {
 			txn := &pb.TxnRequest{}
-			txn.Success = append(txn.Success, &pb.RequestUnion{
-				Request: &pb.RequestUnion_RequestPut{
+			txn.Success = append(txn.Success, &pb.RequestOp{
+				Request: &pb.RequestOp_RequestPut{
 					RequestPut: preq}})
 			if tresp, err := kvc.Txn(context.TODO(), txn); err == nil {
 				t.Errorf("succeeded txn success. req: %v. resp: %v", txn, tresp)
@ -330,8 +330,8 @@ func TestV3PutMissingLease(t *testing.T) {
 		// txn failure case
 		func() {
 			txn := &pb.TxnRequest{}
-			txn.Failure = append(txn.Failure, &pb.RequestUnion{
-				Request: &pb.RequestUnion_RequestPut{
+			txn.Failure = append(txn.Failure, &pb.RequestOp{
+				Request: &pb.RequestOp_RequestPut{
 					RequestPut: preq}})
 			cmp := &pb.Compare{
 				Result: pb.Compare_GREATER,
@ -347,11 +347,11 @@ func TestV3PutMissingLease(t *testing.T) {
 		func() {
 			txn := &pb.TxnRequest{}
 			rreq := &pb.RangeRequest{Key: []byte("bar")}
-			txn.Success = append(txn.Success, &pb.RequestUnion{
-				Request: &pb.RequestUnion_RequestRange{
+			txn.Success = append(txn.Success, &pb.RequestOp{
+				Request: &pb.RequestOp_RequestRange{
 					RequestRange: rreq}})
-			txn.Failure = append(txn.Failure, &pb.RequestUnion{
-				Request: &pb.RequestUnion_RequestPut{
+			txn.Failure = append(txn.Failure, &pb.RequestOp{
+				Request: &pb.RequestOp_RequestPut{
 					RequestPut: preq}})
 			if tresp, err := kvc.Txn(context.TODO(), txn); err != nil {
 				t.Errorf("failed good txn. req: %v. resp: %v", txn, tresp)
@ -491,13 +491,13 @@ func TestV3TxnInvaildRange(t *testing.T) {

 	// future rev
 	txn := &pb.TxnRequest{}
-	txn.Success = append(txn.Success, &pb.RequestUnion{
-		Request: &pb.RequestUnion_RequestPut{
+	txn.Success = append(txn.Success, &pb.RequestOp{
+		Request: &pb.RequestOp_RequestPut{
 			RequestPut: preq}})

 	rreq := &pb.RangeRequest{Key: []byte("foo"), Revision: 100}
-	txn.Success = append(txn.Success, &pb.RequestUnion{
-		Request: &pb.RequestUnion_RequestRange{
+	txn.Success = append(txn.Success, &pb.RequestOp{
+		Request: &pb.RequestOp_RequestRange{
 			RequestRange: rreq}})

 	if _, err := kvc.Txn(context.TODO(), txn); err != rpctypes.ErrGRPCFutureRev {
@ -505,7 +505,7 @@ func TestV3TxnInvaildRange(t *testing.T) {
 	}

 	// compacted rev
-	tv, _ := txn.Success[1].Request.(*pb.RequestUnion_RequestRange)
+	tv, _ := txn.Success[1].Request.(*pb.RequestOp_RequestRange)
 	tv.RequestRange.Revision = 1
 	if _, err := kvc.Txn(context.TODO(), txn); err != rpctypes.ErrGRPCCompacted {
 		t.Errorf("err = %v, want %v", err, rpctypes.ErrGRPCCompacted)
@ -584,8 +584,8 @@ func TestV3StorageQuotaAPI(t *testing.T) {
 	}

 	// test big txn
-	puttxn := &pb.RequestUnion{
-		Request: &pb.RequestUnion_RequestPut{
+	puttxn := &pb.RequestOp{
+		Request: &pb.RequestOp_RequestPut{
 			RequestPut: &pb.PutRequest{
 				Key:   key,
 				Value: bigbuf,
--- a/integration/v3_watch_test.go
+++ b/integration/v3_watch_test.go
@ -676,8 +676,8 @@ func testV3WatchMultipleEventsTxn(t *testing.T, startRev int64) {
 	kvc := toGRPC(clus.RandClient()).KV
 	txn := pb.TxnRequest{}
 	for i := 0; i < 3; i++ {
-		ru := &pb.RequestUnion{}
-		ru.Request = &pb.RequestUnion_RequestPut{
+		ru := &pb.RequestOp{}
+		ru.Request = &pb.RequestOp_RequestPut{
 			RequestPut: &pb.PutRequest{
 				Key: []byte(fmt.Sprintf("foo%d", i)), Value: []byte("bar")}}
 		txn.Success = append(txn.Success, ru)
--- a/lease/leasepb/lease.pb.go
+++ b/lease/leasepb/lease.pb.go
@ -319,13 +319,13 @@ var (
 )

 var fileDescriptorLease = []byte{
-	// 117 bytes of a gzipped FileDescriptorProto
+	// 122 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0xce, 0x49, 0x4d, 0x2c,
 	0x4e, 0xd5, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x62, 0x07, 0x73, 0x0a, 0x92, 0xa4, 0x44, 0xd2,
 	0xf3, 0xd3, 0xf3, 0xc1, 0x62, 0xfa, 0x20, 0x16, 0x44, 0x5a, 0x49, 0x93, 0x8b, 0xd5, 0x07, 0xa4,
 	0x40, 0x88, 0x8f, 0x8b, 0xc9, 0xd3, 0x45, 0x82, 0x51, 0x81, 0x51, 0x83, 0x39, 0x88, 0x29, 0xd3,
 	0x45, 0x48, 0x80, 0x8b, 0x39, 0x24, 0xc4, 0x47, 0x82, 0x09, 0x2c, 0xc0, 0x5c, 0x12, 0xe2, 0xe3,
-	0x24, 0x72, 0xe2, 0xa1, 0x1c, 0xc3, 0x05, 0x20, 0x3e, 0xf1, 0x48, 0x8e, 0xf1, 0x02, 0x10, 0x3f,
-	0x00, 0xe2, 0x24, 0x36, 0xb0, 0x39, 0xc6, 0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0x8c, 0x1d, 0x92,
-	0xdc, 0x75, 0x00, 0x00, 0x00,
+	0x24, 0x72, 0xe2, 0xa1, 0x1c, 0xc3, 0x85, 0x87, 0x72, 0x0c, 0x27, 0x1e, 0xc9, 0x31, 0x5e, 0x78,
+	0x24, 0xc7, 0xf8, 0xe0, 0x91, 0x1c, 0x63, 0x12, 0x1b, 0xd8, 0x1c, 0x63, 0x40, 0x00, 0x00, 0x00,
+	0xff, 0xff, 0x8c, 0x1d, 0x92, 0xdc, 0x75, 0x00, 0x00, 0x00,
 }
--- a/mvcc/mvccpb/kv.pb.go
+++ b/mvcc/mvccpb/kv.pb.go
@ -659,23 +659,23 @@ var (
 )

 var fileDescriptorKv = []byte{
-	// 274 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x44, 0x90, 0xc1, 0x4a, 0xc3, 0x40,
-	0x10, 0x86, 0xbb, 0x4d, 0x93, 0xd6, 0x69, 0xa9, 0x61, 0x09, 0xb8, 0x78, 0x28, 0x31, 0x17, 0x05,
-	0x21, 0x42, 0x7d, 0x03, 0x31, 0x27, 0x3d, 0xc8, 0x12, 0xbd, 0x4a, 0x1a, 0x87, 0x52, 0xd2, 0x76,
-	0x43, 0x1a, 0x17, 0xf3, 0x52, 0x3e, 0x47, 0x8f, 0x7d, 0x04, 0xf5, 0x49, 0xdc, 0xcc, 0x9a, 0x7a,
-	0x98, 0x65, 0xe6, 0xff, 0xfe, 0x65, 0xff, 0x59, 0x18, 0x15, 0x3a, 0x2e, 0x2b, 0x55, 0x2b, 0xee,
-	0x6d, 0x74, 0x9e, 0x97, 0x8b, 0xf3, 0x60, 0xa9, 0x96, 0x8a, 0xa4, 0x9b, 0xb6, 0xb3, 0x34, 0xfa,
-	0x64, 0x30, 0x7a, 0xc0, 0xe6, 0x25, 0x5b, 0xbf, 0x23, 0xf7, 0xc1, 0x29, 0xb0, 0x11, 0x2c, 0x64,
-	0x57, 0x13, 0xd9, 0xb6, 0xfc, 0x12, 0x4e, 0xf3, 0x0a, 0xb3, 0x1a, 0x5f, 0x2b, 0xd4, 0xab, 0xdd,
-	0x4a, 0x6d, 0x45, 0xdf, 0x50, 0x47, 0x4e, 0xad, 0x2c, 0xff, 0x54, 0x7e, 0x01, 0x93, 0x8d, 0x7a,
-	0xfb, 0x77, 0x39, 0xe4, 0x1a, 0x1b, 0xed, 0x68, 0x11, 0x30, 0xd4, 0x58, 0x11, 0x1d, 0x10, 0xed,
-	0x46, 0x1e, 0x80, 0xab, 0xdb, 0x00, 0xc2, 0xa5, 0x97, 0xed, 0xd0, 0xaa, 0x6b, 0xcc, 0x76, 0x28,
-	0x3c, 0x72, 0xdb, 0x21, 0xfa, 0x00, 0x37, 0xd1, 0xb8, 0xad, 0xf9, 0x35, 0x0c, 0xea, 0xa6, 0x44,
-	0x4a, 0x3b, 0x9d, 0x9f, 0xc5, 0x76, 0xcd, 0x98, 0xa0, 0x3d, 0x53, 0x83, 0x25, 0x99, 0x78, 0x08,
-	0xfd, 0x42, 0x53, 0xf4, 0xf1, 0xdc, 0xef, 0xac, 0xdd, 0xde, 0xd2, 0xb0, 0x28, 0x84, 0x93, 0xe3,
-	0x25, 0x3e, 0x04, 0xe7, 0xe9, 0x39, 0xf5, 0x7b, 0x1c, 0xc0, 0xbb, 0x4f, 0x1e, 0x93, 0x34, 0xf1,
-	0xd9, 0x5d, 0xb0, 0xff, 0x9e, 0xf5, 0x0e, 0xa6, 0xf6, 0x3f, 0x33, 0x76, 0x30, 0xf5, 0x65, 0x6a,
-	0xe1, 0xd1, 0x3f, 0xde, 0xfe, 0x06, 0x00, 0x00, 0xff, 0xff, 0x71, 0xd2, 0x34, 0xa9, 0x71, 0x01,
-	0x00, 0x00,
+	// 279 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x44, 0x90, 0x41, 0x4a, 0xc3, 0x40,
+	0x14, 0x86, 0x3b, 0x49, 0x93, 0xd6, 0xd7, 0x52, 0xc3, 0x10, 0x30, 0xb8, 0x08, 0x31, 0x1b, 0x0b,
+	0x42, 0x84, 0x7a, 0x03, 0x31, 0x2b, 0x5d, 0xc8, 0x10, 0xdd, 0x4a, 0x9a, 0x3e, 0x4a, 0x49, 0xd3,
+	0x09, 0x69, 0x1c, 0xcc, 0xa5, 0x3c, 0x47, 0x97, 0x3d, 0x82, 0xcd, 0x49, 0x24, 0x6f, 0x4c, 0xdd,
+	0x0c, 0xef, 0xff, 0xff, 0x6f, 0x98, 0xff, 0x0d, 0x8c, 0x73, 0x15, 0x95, 0x95, 0xac, 0x25, 0xb7,
+	0x0b, 0x95, 0x65, 0xe5, 0xf2, 0xda, 0x5d, 0xcb, 0xb5, 0x24, 0xeb, 0xbe, 0x9b, 0x74, 0x1a, 0x7e,
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+	0xd2, 0x34, 0xa9, 0x71, 0x01, 0x00, 0x00,
 }
--- a/proxy/grpcproxy/kv.go
+++ b/proxy/grpcproxy/kv.go
@ -57,11 +57,11 @@ func (p *kvProxy) Txn(ctx context.Context, r *pb.TxnRequest) (*pb.TxnResponse, e
 	}

 	for i := range r.Success {
-		thenops[i] = requestUnionToOp(r.Success[i])
+		thenops[i] = requestOpToOp(r.Success[i])
 	}

 	for i := range r.Failure {
-		elseops[i] = requestUnionToOp(r.Failure[i])
+		elseops[i] = requestOpToOp(r.Failure[i])
 	}

 	resp, err := txn.If(cmps...).Then(thenops...).Else(elseops...).Commit()
@ -72,17 +72,17 @@ func (p *kvProxy) Close() error {
 	return p.c.Close()
 }

-func requestUnionToOp(union *pb.RequestUnion) clientv3.Op {
+func requestOpToOp(union *pb.RequestOp) clientv3.Op {
 	switch tv := union.Request.(type) {
-	case *pb.RequestUnion_RequestRange:
+	case *pb.RequestOp_RequestRange:
 		if tv.RequestRange != nil {
 			return RangeRequestToOp(tv.RequestRange)
 		}
-	case *pb.RequestUnion_RequestPut:
+	case *pb.RequestOp_RequestPut:
 		if tv.RequestPut != nil {
 			return PutRequestToOp(tv.RequestPut)
 		}
-	case *pb.RequestUnion_RequestDeleteRange:
+	case *pb.RequestOp_RequestDeleteRange:
 		if tv.RequestDeleteRange != nil {
 			return DelRequestToOp(tv.RequestDeleteRange)
 		}
--- a/raft/raftpb/raft.pb.go
+++ b/raft/raftpb/raft.pb.go
@ -1788,51 +1788,52 @@ var (
 )

 var fileDescriptorRaft = []byte{
-	// 735 bytes of a gzipped FileDescriptorProto
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+	// 746 bytes of a gzipped FileDescriptorProto
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 }
--- a/snap/snappb/snap.pb.go
+++ b/snap/snappb/snap.pb.go
@ -337,13 +337,13 @@ var (
 )

 var fileDescriptorSnap = []byte{
-	// 118 bytes of a gzipped FileDescriptorProto
+	// 122 bytes of a gzipped FileDescriptorProto
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--- a/wal/walpb/record.pb.go
+++ b/wal/walpb/record.pb.go
@ -501,16 +501,17 @@ var (
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