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Code Issues Releases Activity

add api metadata (#901)

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* add api metadata
This commit is contained in:
longxboy 2021-05-10 10:44:39 +08:00 committed by GitHub
parent dc0f4ed9b8
commit 0e0be64cba
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7 changed files with 808 additions and 0 deletions
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305
api/kratos/api/metadata.pb.go Normal file
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// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v3.15.8
// source: metadata.proto
package api
import (
_ "google.golang.org/genproto/googleapis/api/annotations"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
descriptorpb "google.golang.org/protobuf/types/descriptorpb"
anypb "google.golang.org/protobuf/types/known/anypb"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type ListServicesReply struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Services []string `protobuf:"bytes,1,rep,name=services,proto3" json:"services,omitempty"`
}
func (x *ListServicesReply) Reset() {
*x = ListServicesReply{}
if protoimpl.UnsafeEnabled {
mi := &file_metadata_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ListServicesReply) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ListServicesReply) ProtoMessage() {}
func (x *ListServicesReply) ProtoReflect() protoreflect.Message {
mi := &file_metadata_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use ListServicesReply.ProtoReflect.Descriptor instead.
func (*ListServicesReply) Descriptor() ([]byte, []int) {
return file_metadata_proto_rawDescGZIP(), []int{0}
}
func (x *ListServicesReply) GetServices() []string {
if x != nil {
return x.Services
}
return nil
}
type GetServiceMetaRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
}
func (x *GetServiceMetaRequest) Reset() {
*x = GetServiceMetaRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_metadata_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetServiceMetaRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetServiceMetaRequest) ProtoMessage() {}
func (x *GetServiceMetaRequest) ProtoReflect() protoreflect.Message {
mi := &file_metadata_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetServiceMetaRequest.ProtoReflect.Descriptor instead.
func (*GetServiceMetaRequest) Descriptor() ([]byte, []int) {
return file_metadata_proto_rawDescGZIP(), []int{1}
}
func (x *GetServiceMetaRequest) GetName() string {
if x != nil {
return x.Name
}
return ""
}
type GetServiceMetaReply struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
ProtoSet *descriptorpb.FileDescriptorSet `protobuf:"bytes,1,opt,name=protoSet,proto3" json:"protoSet,omitempty"`
}
func (x *GetServiceMetaReply) Reset() {
*x = GetServiceMetaReply{}
if protoimpl.UnsafeEnabled {
mi := &file_metadata_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetServiceMetaReply) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetServiceMetaReply) ProtoMessage() {}
func (x *GetServiceMetaReply) ProtoReflect() protoreflect.Message {
mi := &file_metadata_proto_msgTypes[2]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use GetServiceMetaReply.ProtoReflect.Descriptor instead.
func (*GetServiceMetaReply) Descriptor() ([]byte, []int) {
return file_metadata_proto_rawDescGZIP(), []int{2}
}
func (x *GetServiceMetaReply) GetProtoSet() *descriptorpb.FileDescriptorSet {
if x != nil {
return x.ProtoSet
}
return nil
}
var File_metadata_proto protoreflect.FileDescriptor
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}
var (
file_metadata_proto_rawDescOnce sync.Once
file_metadata_proto_rawDescData = file_metadata_proto_rawDesc
)
func file_metadata_proto_rawDescGZIP() []byte {
file_metadata_proto_rawDescOnce.Do(func() {
file_metadata_proto_rawDescData = protoimpl.X.CompressGZIP(file_metadata_proto_rawDescData)
})
return file_metadata_proto_rawDescData
}
var file_metadata_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_metadata_proto_goTypes = []interface{}{
(*ListServicesReply)(nil), // 0: kratos.api.ListServicesReply
(*GetServiceMetaRequest)(nil), // 1: kratos.api.GetServiceMetaRequest
(*GetServiceMetaReply)(nil), // 2: kratos.api.GetServiceMetaReply
(*descriptorpb.FileDescriptorSet)(nil), // 3: google.protobuf.FileDescriptorSet
(*anypb.Any)(nil), // 4: google.protobuf.Any
}
var file_metadata_proto_depIdxs = []int32{
3, // 0: kratos.api.GetServiceMetaReply.protoSet:type_name -> google.protobuf.FileDescriptorSet
4, // 1: kratos.api.Metadata.ListServices:input_type -> google.protobuf.Any
1, // 2: kratos.api.Metadata.GetServiceMeta:input_type -> kratos.api.GetServiceMetaRequest
0, // 3: kratos.api.Metadata.ListServices:output_type -> kratos.api.ListServicesReply
2, // 4: kratos.api.Metadata.GetServiceMeta:output_type -> kratos.api.GetServiceMetaReply
3, // [3:5] is the sub-list for method output_type
1, // [1:3] is the sub-list for method input_type
1, // [1:1] is the sub-list for extension type_name
1, // [1:1] is the sub-list for extension extendee
0, // [0:1] is the sub-list for field type_name
}
func init() { file_metadata_proto_init() }
func file_metadata_proto_init() {
if File_metadata_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_metadata_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ListServicesReply); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_metadata_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetServiceMetaRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_metadata_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetServiceMetaReply); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_metadata_proto_rawDesc,
NumEnums: 0,
NumMessages: 3,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_metadata_proto_goTypes,
DependencyIndexes: file_metadata_proto_depIdxs,
MessageInfos: file_metadata_proto_msgTypes,
}.Build()
File_metadata_proto = out.File
file_metadata_proto_rawDesc = nil
file_metadata_proto_goTypes = nil
file_metadata_proto_depIdxs = nil
}

43
api/kratos/api/metadata.proto Normal file
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@ -0,0 +1,43 @@
syntax = "proto3";
package kratos.api;
import "google/protobuf/any.proto";
import "google/protobuf/descriptor.proto";
import "google/api/annotations.proto";
option go_package = "github.com/go-kratos/kratos/v2/api/kratos/api;api";
option java_multiple_files = true;
option java_package = "com.github.kratos.api";
option objc_class_prefix = "KratosAPI";
// Metadata is api defintion metadata service
service Metadata {
// ListServices list the full name of all services
rpc ListServices (google.protobuf.Any) returns (ListServicesReply) {
option (google.api.http) = {
get: "/services",
};
}
// GetServiceMeta get the full fileDescriptorSet of service
rpc GetServiceMeta (GetServiceMetaRequest) returns (GetServiceMetaReply) {
option (google.api.http) = {
get: "/service/{name}/metadata",
};
}
}
message ListServicesReply {
repeated string services = 1;
}
message GetServiceMetaRequest {
string name = 1;
}
message GetServiceMetaReply {
google.protobuf.FileDescriptorSet protoSet = 1;
}

146
api/kratos/api/metadata_grpc.pb.go Normal file
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@ -0,0 +1,146 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
// versions:
// - protoc-gen-go-grpc v1.1.0
// - protoc v3.15.8
// source: metadata.proto
package api
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
anypb "google.golang.org/protobuf/types/known/anypb"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
// Requires gRPC-Go v1.32.0 or later.
const _ = grpc.SupportPackageIsVersion7
// MetadataClient is the client API for Metadata service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type MetadataClient interface {
// ListServices list the full name of all services
ListServices(ctx context.Context, in *anypb.Any, opts ...grpc.CallOption) (*ListServicesReply, error)
// GetServiceMeta get the full fileDescriptorSet of service
GetServiceMeta(ctx context.Context, in *GetServiceMetaRequest, opts ...grpc.CallOption) (*GetServiceMetaReply, error)
}
type metadataClient struct {
cc grpc.ClientConnInterface
}
func NewMetadataClient(cc grpc.ClientConnInterface) MetadataClient {
return &metadataClient{cc}
}
func (c *metadataClient) ListServices(ctx context.Context, in *anypb.Any, opts ...grpc.CallOption) (*ListServicesReply, error) {
out := new(ListServicesReply)
err := c.cc.Invoke(ctx, "/kratos.api.Metadata/ListServices", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *metadataClient) GetServiceMeta(ctx context.Context, in *GetServiceMetaRequest, opts ...grpc.CallOption) (*GetServiceMetaReply, error) {
out := new(GetServiceMetaReply)
err := c.cc.Invoke(ctx, "/kratos.api.Metadata/GetServiceMeta", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// MetadataServer is the server API for Metadata service.
// All implementations must embed UnimplementedMetadataServer
// for forward compatibility
type MetadataServer interface {
// ListServices list the full name of all services
ListServices(context.Context, *anypb.Any) (*ListServicesReply, error)
// GetServiceMeta get the full fileDescriptorSet of service
GetServiceMeta(context.Context, *GetServiceMetaRequest) (*GetServiceMetaReply, error)
mustEmbedUnimplementedMetadataServer()
}
// UnimplementedMetadataServer must be embedded to have forward compatible implementations.
type UnimplementedMetadataServer struct {
}
func (UnimplementedMetadataServer) ListServices(context.Context, *anypb.Any) (*ListServicesReply, error) {
return nil, status.Errorf(codes.Unimplemented, "method ListServices not implemented")
}
func (UnimplementedMetadataServer) GetServiceMeta(context.Context, *GetServiceMetaRequest) (*GetServiceMetaReply, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetServiceMeta not implemented")
}
func (UnimplementedMetadataServer) mustEmbedUnimplementedMetadataServer() {}
// UnsafeMetadataServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to MetadataServer will
// result in compilation errors.
type UnsafeMetadataServer interface {
mustEmbedUnimplementedMetadataServer()
}
func RegisterMetadataServer(s grpc.ServiceRegistrar, srv MetadataServer) {
s.RegisterService(&Metadata_ServiceDesc, srv)
}
func _Metadata_ListServices_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(anypb.Any)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(MetadataServer).ListServices(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/kratos.api.Metadata/ListServices",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(MetadataServer).ListServices(ctx, req.(*anypb.Any))
}
return interceptor(ctx, in, info, handler)
}
func _Metadata_GetServiceMeta_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetServiceMetaRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(MetadataServer).GetServiceMeta(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/kratos.api.Metadata/GetServiceMeta",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(MetadataServer).GetServiceMeta(ctx, req.(*GetServiceMetaRequest))
}
return interceptor(ctx, in, info, handler)
}
// Metadata_ServiceDesc is the grpc.ServiceDesc for Metadata service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var Metadata_ServiceDesc = grpc.ServiceDesc{
ServiceName: "kratos.api.Metadata",
HandlerType: (*MetadataServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "ListServices",
Handler: _Metadata_ListServices_Handler,
},
{
MethodName: "GetServiceMeta",
Handler: _Metadata_GetServiceMeta_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "metadata.proto",
}

90
api/kratos/api/metadata_http.pb.go Normal file
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@ -0,0 +1,90 @@
// Code generated by protoc-gen-go-http. DO NOT EDIT.
package api
import (
context "context"
http1 "github.com/go-kratos/kratos/v2/transport/http"
binding "github.com/go-kratos/kratos/v2/transport/http/binding"
mux "github.com/gorilla/mux"
anypb "google.golang.org/protobuf/types/known/anypb"
http "net/http"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the kratos package it is being compiled against.
var _ = new(http.Request)
var _ = new(context.Context)
var _ = binding.MapProto
var _ = mux.NewRouter
const _ = http1.SupportPackageIsVersion1
type MetadataHandler interface {
GetServiceMeta(context.Context, *GetServiceMetaRequest) (*GetServiceMetaReply, error)
ListServices(context.Context, *anypb.Any) (*ListServicesReply, error)
}
func NewMetadataHandler(srv MetadataHandler, opts ...http1.HandleOption) http.Handler {
h := http1.DefaultHandleOptions()
for _, o := range opts {
o(&h)
}
r := mux.NewRouter()
r.HandleFunc("/services", func(w http.ResponseWriter, r *http.Request) {
var in anypb.Any
if err := h.Decode(r, &in); err != nil {
h.Error(w, r, err)
return
}
next := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.ListServices(ctx, req.(*anypb.Any))
}
if h.Middleware != nil {
next = h.Middleware(next)
}
out, err := next(r.Context(), &in)
if err != nil {
h.Error(w, r, err)
return
}
reply := out.(*ListServicesReply)
if err := h.Encode(w, r, reply); err != nil {
h.Error(w, r, err)
}
}).Methods("GET")
r.HandleFunc("/service/{name}/metadata", func(w http.ResponseWriter, r *http.Request) {
var in GetServiceMetaRequest
if err := h.Decode(r, &in); err != nil {
h.Error(w, r, err)
return
}
if err := binding.MapProto(&in, mux.Vars(r)); err != nil {
h.Error(w, r, err)
return
}
next := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.GetServiceMeta(ctx, req.(*GetServiceMetaRequest))
}
if h.Middleware != nil {
next = h.Middleware(next)
}
out, err := next(r.Context(), &in)
if err != nil {
h.Error(w, r, err)
return
}
reply := out.(*GetServiceMetaReply)
if err := h.Encode(w, r, reply); err != nil {
h.Error(w, r, err)
}
}).Methods("GET")
return r
}

36
internal/api/metadata/server.go Normal file
View File

@ -0,0 +1,36 @@
package metadata
import (
"context"
"github.com/go-kratos/kratos/v2/api/kratos/api"
"google.golang.org/grpc"
anypb "google.golang.org/protobuf/types/known/anypb"
)
// Server is api meta server
type Server struct {
api.UnimplementedMetadataServer
s *Service
}
// NewServer create server instance
func NewServer(grpcSrv ...*grpc.Server) *Server {
return &Server{s: NewService(grpcSrv...)}
}
// ListServices return all services
func (s *Server) ListServices(ctx context.Context, in *anypb.Any) (*api.ListServicesReply, error) {
var reply api.ListServicesReply
var err error
reply.Services, err = s.s.ListServices(ctx)
return &reply, err
}
// GetServiceMeta return service meta by name
func (s *Server) GetServiceMeta(ctx context.Context, in *api.GetServiceMetaRequest) (*api.GetServiceMetaReply, error) {
var reply api.GetServiceMetaReply
var err error
reply.ProtoSet, err = s.s.GetServiceMeta(ctx, in.Name)
return &reply, err
}

182
internal/api/metadata/service.go Normal file
View File

@ -0,0 +1,182 @@
package metadata
import (
"bytes"
"compress/gzip"
"context"
"fmt"
"io/ioutil"
"sync"
"github.com/golang/protobuf/proto"
dpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
"google.golang.org/grpc"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
"google.golang.org/protobuf/types/descriptorpb"
)
// Service is description service
type Service struct {
grpcSer *grpc.Server
once sync.Once
services map[string]*descriptorpb.FileDescriptorSet
}
// NewService create desc Service
func NewService(grpcSrv ...*grpc.Server) *Service {
s := &Service{}
if len(grpcSrv) > 0 {
s.grpcSer = grpcSrv[0]
}
return s
}
// ListServices list the full name of all services
func (s *Service) ListServices(ctx context.Context) (services []string, err error) {
services = []string{}
s.once.Do(func() {
err = s.initServices()
})
for name := range s.services {
services = append(services, name)
}
return
}
// GetServiceMeta get the full fileDescriptorSet of service
func (s *Service) GetServiceMeta(ctx context.Context, name string) (fds *descriptorpb.FileDescriptorSet, err error) {
fds = &descriptorpb.FileDescriptorSet{}
s.once.Do(func() {
err = s.initServices()
})
if temp, ok := s.services[name]; ok {
fds = temp
}
return
}
func (s *Service) initServices() error {
serviceProto, err := s.listServices()
if err != nil {
s.services = make(map[string]*descriptorpb.FileDescriptorSet)
return err
}
s.services = serviceProto
return nil
}
func (s *Service) listServices() (map[string]*descriptorpb.FileDescriptorSet, error) {
services := make(map[string]*descriptorpb.FileDescriptorSet, 0)
if s.grpcSer != nil {
for svc, info := range s.grpcSer.GetServiceInfo() {
fdenc, ok := parseMetadata(info.Metadata)
if !ok {
return nil, fmt.Errorf("invalid service %s meta", svc)
}
fd, err := decodeFileDesc(fdenc)
if err != nil {
return nil, err
}
protoSet, err := allDependency(fd)
if err != nil {
return nil, err
}
services[svc] = &dpb.FileDescriptorSet{File: protoSet}
}
return services, nil
}
var err error
protoregistry.GlobalFiles.RangeFiles(func(fd protoreflect.FileDescriptor) bool {
if fd.Services() != nil && fd.Services().Len() > 0 {
for i := 0; i < fd.Services().Len(); i++ {
svc := string(fd.Services().Get(i).FullName())
fdp, e := fileDescriptorProto(fd.Path())
if e != nil {
err = e
return false
}
fdps, e := allDependency(fdp)
if e != nil {
err = e
return false
}
services[svc] = &dpb.FileDescriptorSet{File: fdps}
}
}
return true
})
return services, err
}
func fileDescriptorProto(path string) (*dpb.FileDescriptorProto, error) {
fdenc := proto.FileDescriptor(path)
fdDep, err := decodeFileDesc(fdenc)
if err != nil {
return nil, err
}
return fdDep, nil
}
func allDependency(fd *dpb.FileDescriptorProto) ([]*dpb.FileDescriptorProto, error) {
var files []*dpb.FileDescriptorProto
files = append(files, fd)
for _, dep := range fd.Dependency {
fdDep, err := fileDescriptorProto(dep)
if err != nil {
return nil, err
}
temp, err := allDependency(fdDep)
if err != nil {
return nil, err
}
files = append(files, temp...)
}
return files, nil
}
// parseMetadata finds the file descriptor bytes specified meta.
// For SupportPackageIsVersion4, m is the name of the proto file, we
// call proto.FileDescriptor to get the byte slice.
// For SupportPackageIsVersion3, m is a byte slice itself.
func parseMetadata(meta interface{}) ([]byte, bool) {
// Check if meta is the file name.
if fileNameForMeta, ok := meta.(string); ok {
return proto.FileDescriptor(fileNameForMeta), true
}
// Check if meta is the byte slice.
if enc, ok := meta.([]byte); ok {
return enc, true
}
return nil, false
}
// decodeFileDesc does decompression and unmarshalling on the given
// file descriptor byte slice.
func decodeFileDesc(enc []byte) (*dpb.FileDescriptorProto, error) {
raw, err := decompress(enc)
if err != nil {
return nil, fmt.Errorf("failed to decompress enc: %v", err)
}
fd := new(dpb.FileDescriptorProto)
if err := proto.Unmarshal(raw, fd); err != nil {
return nil, fmt.Errorf("bad descriptor: %v", err)
}
return fd, nil
}
// decompress does gzip decompression.
func decompress(b []byte) ([]byte, error) {
r, err := gzip.NewReader(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
}
out, err := ioutil.ReadAll(r)
if err != nil {
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
}
return out, nil
}

6
transport/grpc/server.go
View File

@ -6,6 +6,8 @@ import (
"net" "net"
"time" "time"
"github.com/go-kratos/kratos/v2/api/kratos/api"
"github.com/go-kratos/kratos/v2/internal/api/metadata"
"github.com/go-kratos/kratos/v2/internal/host" "github.com/go-kratos/kratos/v2/internal/host"
"github.com/go-kratos/kratos/v2/log" "github.com/go-kratos/kratos/v2/log"
"github.com/go-kratos/kratos/v2/middleware" "github.com/go-kratos/kratos/v2/middleware"
@ -77,6 +79,7 @@ type Server struct {
middleware middleware.Middleware middleware middleware.Middleware
grpcOpts []grpc.ServerOption grpcOpts []grpc.ServerOption
health *health.Server health *health.Server
metaServer *metadata.Server
} }
// NewServer creates a gRPC server by options. // NewServer creates a gRPC server by options.
@ -103,8 +106,11 @@ func NewServer(opts ...ServerOption) *Server {
grpcOpts = append(grpcOpts, srv.grpcOpts...) grpcOpts = append(grpcOpts, srv.grpcOpts...)
} }
srv.Server = grpc.NewServer(grpcOpts...) srv.Server = grpc.NewServer(grpcOpts...)
srv.metaServer = metadata.NewServer(srv.Server)
// grpc health register // grpc health register
healthpb.RegisterHealthServer(srv.Server, srv.health) healthpb.RegisterHealthServer(srv.Server, srv.health)
// api metadata register
api.RegisterMetadataServer(srv.Server, srv.metaServer)
// reflection register // reflection register
reflection.Register(srv.Server) reflection.Register(srv.Server)
return srv return srv