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lnrpc: add GetState to stateservice (v1/state)

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This commit adds a new GetState call to the state service in order to
make leader election integrate simply with k8s using a readinessProbe.
This commit is contained in:
Andras Banki-Horvath committed 2021-05-04 17:33:13 +02:00
1 parent 7caf26ce94
commit 9aacc35989
6 files changed
+346 -42
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lnrpc/stateservice.pb.go
+190 -26
View File
@@ -169,6 +169,91 @@ func (x *SubscribeStateResponse) GetState() WalletState {
return WalletState_NON_EXISTING
}
type GetStateRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
}
func (x *GetStateRequest) Reset() {
*x = GetStateRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_stateservice_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetStateRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetStateRequest) ProtoMessage() {}
func (x *GetStateRequest) ProtoReflect() protoreflect.Message {
mi := &file_stateservice_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 GetStateRequest.ProtoReflect.Descriptor instead.
func (*GetStateRequest) Descriptor() ([]byte, []int) {
return file_stateservice_proto_rawDescGZIP(), []int{2}
}
type GetStateResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
State WalletState `protobuf:"varint,1,opt,name=State,proto3,enum=lnrpc.WalletState" json:"State,omitempty"`
}
func (x *GetStateResponse) Reset() {
*x = GetStateResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_stateservice_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *GetStateResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*GetStateResponse) ProtoMessage() {}
func (x *GetStateResponse) ProtoReflect() protoreflect.Message {
mi := &file_stateservice_proto_msgTypes[3]
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 GetStateResponse.ProtoReflect.Descriptor instead.
func (*GetStateResponse) Descriptor() ([]byte, []int) {
return file_stateservice_proto_rawDescGZIP(), []int{3}
}
func (x *GetStateResponse) GetState() WalletState {
if x != nil {
return x.State
}
return WalletState_NON_EXISTING
}
var File_stateservice_proto protoreflect.FileDescriptor
var file_stateservice_proto_rawDesc = []byte{
@@ -179,22 +264,31 @@ var file_stateservice_proto_rawDesc = []byte{
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}
var (
@@ -210,21 +304,26 @@ func file_stateservice_proto_rawDescGZIP() []byte {
}
var file_stateservice_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_stateservice_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_stateservice_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_stateservice_proto_goTypes = []interface{}{
(WalletState)(0), // 0: lnrpc.WalletState
(*SubscribeStateRequest)(nil), // 1: lnrpc.SubscribeStateRequest
(*SubscribeStateResponse)(nil), // 2: lnrpc.SubscribeStateResponse
(*GetStateRequest)(nil), // 3: lnrpc.GetStateRequest
(*GetStateResponse)(nil), // 4: lnrpc.GetStateResponse
}
var file_stateservice_proto_depIdxs = []int32{
0, // 0: lnrpc.SubscribeStateResponse.state:type_name -> lnrpc.WalletState
1, // 1: lnrpc.State.SubscribeState:input_type -> lnrpc.SubscribeStateRequest
2, // 2: lnrpc.State.SubscribeState:output_type -> lnrpc.SubscribeStateResponse
2, // [2:3] is the sub-list for method output_type
1, // [1:2] 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
0, // 1: lnrpc.GetStateResponse.State:type_name -> lnrpc.WalletState
1, // 2: lnrpc.State.SubscribeState:input_type -> lnrpc.SubscribeStateRequest
3, // 3: lnrpc.State.GetState:input_type -> lnrpc.GetStateRequest
2, // 4: lnrpc.State.SubscribeState:output_type -> lnrpc.SubscribeStateResponse
4, // 5: lnrpc.State.GetState:output_type -> lnrpc.GetStateResponse
4, // [4:6] is the sub-list for method output_type
2, // [2:4] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
}
func init() { file_stateservice_proto_init() }
@@ -257,6 +356,30 @@ func file_stateservice_proto_init() {
return nil
}
}
file_stateservice_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetStateRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_stateservice_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*GetStateResponse); 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{
@@ -264,7 +387,7 @@ func file_stateservice_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_stateservice_proto_rawDesc,
NumEnums: 1,
NumMessages: 2,
NumMessages: 4,
NumExtensions: 0,
NumServices: 1,
},
@@ -294,6 +417,9 @@ type StateClient interface {
// SubscribeState subscribes to the state of the wallet. The current wallet
// state will always be delivered immediately.
SubscribeState(ctx context.Context, in *SubscribeStateRequest, opts ...grpc.CallOption) (State_SubscribeStateClient, error)
// GetState returns the current wallet state without streaming further
// changes.
GetState(ctx context.Context, in *GetStateRequest, opts ...grpc.CallOption) (*GetStateResponse, error)
}
type stateClient struct {
@@ -336,11 +462,23 @@ func (x *stateSubscribeStateClient) Recv() (*SubscribeStateResponse, error) {
return m, nil
}
func (c *stateClient) GetState(ctx context.Context, in *GetStateRequest, opts ...grpc.CallOption) (*GetStateResponse, error) {
out := new(GetStateResponse)
err := c.cc.Invoke(ctx, "/lnrpc.State/GetState", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// StateServer is the server API for State service.
type StateServer interface {
// SubscribeState subscribes to the state of the wallet. The current wallet
// state will always be delivered immediately.
SubscribeState(*SubscribeStateRequest, State_SubscribeStateServer) error
// GetState returns the current wallet state without streaming further
// changes.
GetState(context.Context, *GetStateRequest) (*GetStateResponse, error)
}
// UnimplementedStateServer can be embedded to have forward compatible implementations.
@@ -350,6 +488,9 @@ type UnimplementedStateServer struct {
func (*UnimplementedStateServer) SubscribeState(*SubscribeStateRequest, State_SubscribeStateServer) error {
return status.Errorf(codes.Unimplemented, "method SubscribeState not implemented")
}
func (*UnimplementedStateServer) GetState(context.Context, *GetStateRequest) (*GetStateResponse, error) {
return nil, status.Errorf(codes.Unimplemented, "method GetState not implemented")
}
func RegisterStateServer(s *grpc.Server, srv StateServer) {
s.RegisterService(&_State_serviceDesc, srv)
@@ -376,10 +517,33 @@ func (x *stateSubscribeStateServer) Send(m *SubscribeStateResponse) error {
return x.ServerStream.SendMsg(m)
}
func _State_GetState_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetStateRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(StateServer).GetState(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/lnrpc.State/GetState",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(StateServer).GetState(ctx, req.(*GetStateRequest))
}
return interceptor(ctx, in, info, handler)
}
var _State_serviceDesc = grpc.ServiceDesc{
ServiceName: "lnrpc.State",
HandlerType: (*StateServer)(nil),
Methods: []grpc.MethodDesc{},
Methods: []grpc.MethodDesc{
{
MethodName: "GetState",
Handler: _State_GetState_Handler,
},
},
Streams: []grpc.StreamDesc{
{
StreamName: "SubscribeState",