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Add registry event to registry package

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This commit is contained in:
Milos Gajdos
2019-09-23 17:25:15 +01:00
parent 71ab35e055
commit 0ec1b840fd
4 changed files with 215 additions and 290 deletions
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2
registry/proto/registry.micro.go
View File

@@ -1,5 +1,5 @@
// Code generated by protoc-gen-micro. DO NOT EDIT.
// source: micro/go-micro/registry/proto/registry.proto
// source: registry.proto
package go_micro_registry

444
registry/proto/registry.pb.go
View File

@@ -1,13 +1,11 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: micro/go-micro/registry/proto/registry.proto
// source: registry.proto
package go_micro_registry
import (
context "context"
fmt "fmt"
proto "github.com/golang/protobuf/proto"
grpc "google.golang.org/grpc"
math "math"
)
@@ -22,6 +20,35 @@ var _ = math.Inf
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
// EventType defines the type of event
type EventType int32
const (
EventType_Create EventType = 0
EventType_Delete EventType = 1
EventType_Update EventType = 2
)
var EventType_name = map[int32]string{
0: "Create",
1: "Delete",
2: "Update",
}
var EventType_value = map[string]int32{
"Create": 0,
"Delete": 1,
"Update": 2,
}
func (x EventType) String() string {
return proto.EnumName(EventType_name, int32(x))
}
func (EventType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_41af05d40a615591, []int{0}
}
// Service represents a go-micro service
type Service struct {
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
@@ -38,7 +65,7 @@ func (m *Service) Reset() { *m = Service{} }
func (m *Service) String() string { return proto.CompactTextString(m) }
func (*Service) ProtoMessage() {}
func (*Service) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{0}
return fileDescriptor_41af05d40a615591, []int{0}
}
func (m *Service) XXX_Unmarshal(b []byte) error {
@@ -109,7 +136,7 @@ func (m *Node) Reset() { *m = Node{} }
func (m *Node) String() string { return proto.CompactTextString(m) }
func (*Node) ProtoMessage() {}
func (*Node) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{1}
return fileDescriptor_41af05d40a615591, []int{1}
}
func (m *Node) XXX_Unmarshal(b []byte) error {
@@ -173,7 +200,7 @@ func (m *Endpoint) Reset() { *m = Endpoint{} }
func (m *Endpoint) String() string { return proto.CompactTextString(m) }
func (*Endpoint) ProtoMessage() {}
func (*Endpoint) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{2}
return fileDescriptor_41af05d40a615591, []int{2}
}
func (m *Endpoint) XXX_Unmarshal(b []byte) error {
@@ -236,7 +263,7 @@ func (m *Value) Reset() { *m = Value{} }
func (m *Value) String() string { return proto.CompactTextString(m) }
func (*Value) ProtoMessage() {}
func (*Value) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{3}
return fileDescriptor_41af05d40a615591, []int{3}
}
func (m *Value) XXX_Unmarshal(b []byte) error {
@@ -292,7 +319,7 @@ func (m *Result) Reset() { *m = Result{} }
func (m *Result) String() string { return proto.CompactTextString(m) }
func (*Result) ProtoMessage() {}
func (*Result) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{4}
return fileDescriptor_41af05d40a615591, []int{4}
}
func (m *Result) XXX_Unmarshal(b []byte) error {
@@ -344,7 +371,7 @@ func (m *EmptyResponse) Reset() { *m = EmptyResponse{} }
func (m *EmptyResponse) String() string { return proto.CompactTextString(m) }
func (*EmptyResponse) ProtoMessage() {}
func (*EmptyResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{5}
return fileDescriptor_41af05d40a615591, []int{5}
}
func (m *EmptyResponse) XXX_Unmarshal(b []byte) error {
@@ -376,7 +403,7 @@ func (m *GetRequest) Reset() { *m = GetRequest{} }
func (m *GetRequest) String() string { return proto.CompactTextString(m) }
func (*GetRequest) ProtoMessage() {}
func (*GetRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{6}
return fileDescriptor_41af05d40a615591, []int{6}
}
func (m *GetRequest) XXX_Unmarshal(b []byte) error {
@@ -415,7 +442,7 @@ func (m *GetResponse) Reset() { *m = GetResponse{} }
func (m *GetResponse) String() string { return proto.CompactTextString(m) }
func (*GetResponse) ProtoMessage() {}
func (*GetResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{7}
return fileDescriptor_41af05d40a615591, []int{7}
}
func (m *GetResponse) XXX_Unmarshal(b []byte) error {
@@ -453,7 +480,7 @@ func (m *ListRequest) Reset() { *m = ListRequest{} }
func (m *ListRequest) String() string { return proto.CompactTextString(m) }
func (*ListRequest) ProtoMessage() {}
func (*ListRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{8}
return fileDescriptor_41af05d40a615591, []int{8}
}
func (m *ListRequest) XXX_Unmarshal(b []byte) error {
@@ -485,7 +512,7 @@ func (m *ListResponse) Reset() { *m = ListResponse{} }
func (m *ListResponse) String() string { return proto.CompactTextString(m) }
func (*ListResponse) ProtoMessage() {}
func (*ListResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{9}
return fileDescriptor_41af05d40a615591, []int{9}
}
func (m *ListResponse) XXX_Unmarshal(b []byte) error {
@@ -525,7 +552,7 @@ func (m *WatchRequest) Reset() { *m = WatchRequest{} }
func (m *WatchRequest) String() string { return proto.CompactTextString(m) }
func (*WatchRequest) ProtoMessage() {}
func (*WatchRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_f287a6b809166ad2, []int{10}
return fileDescriptor_41af05d40a615591, []int{10}
}
func (m *WatchRequest) XXX_Unmarshal(b []byte) error {
@@ -553,7 +580,76 @@ func (m *WatchRequest) GetService() string {
return ""
}
// Event is registry event
type Event struct {
// Event Id
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
// type of event
Type EventType `protobuf:"varint,2,opt,name=type,proto3,enum=go.micro.registry.EventType" json:"type,omitempty"`
// unix timestamp of event
Timestamp int64 `protobuf:"varint,3,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
// service entry
Service *Service `protobuf:"bytes,4,opt,name=service,proto3" json:"service,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Event) Reset() { *m = Event{} }
func (m *Event) String() string { return proto.CompactTextString(m) }
func (*Event) ProtoMessage() {}
func (*Event) Descriptor() ([]byte, []int) {
return fileDescriptor_41af05d40a615591, []int{11}
}
func (m *Event) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Event.Unmarshal(m, b)
}
func (m *Event) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Event.Marshal(b, m, deterministic)
}
func (m *Event) XXX_Merge(src proto.Message) {
xxx_messageInfo_Event.Merge(m, src)
}
func (m *Event) XXX_Size() int {
return xxx_messageInfo_Event.Size(m)
}
func (m *Event) XXX_DiscardUnknown() {
xxx_messageInfo_Event.DiscardUnknown(m)
}
var xxx_messageInfo_Event proto.InternalMessageInfo
func (m *Event) GetId() string {
if m != nil {
return m.Id
}
return ""
}
func (m *Event) GetType() EventType {
if m != nil {
return m.Type
}
return EventType_Create
}
func (m *Event) GetTimestamp() int64 {
if m != nil {
return m.Timestamp
}
return 0
}
func (m *Event) GetService() *Service {
if m != nil {
return m.Service
}
return nil
}
func init() {
proto.RegisterEnum("go.micro.registry.EventType", EventType_name, EventType_value)
proto.RegisterType((*Service)(nil), "go.micro.registry.Service")
proto.RegisterMapType((map[string]string)(nil), "go.micro.registry.Service.MetadataEntry")
proto.RegisterType((*Node)(nil), "go.micro.registry.Node")
@@ -568,281 +664,51 @@ func init() {
proto.RegisterType((*ListRequest)(nil), "go.micro.registry.ListRequest")
proto.RegisterType((*ListResponse)(nil), "go.micro.registry.ListResponse")
proto.RegisterType((*WatchRequest)(nil), "go.micro.registry.WatchRequest")
proto.RegisterType((*Event)(nil), "go.micro.registry.Event")
}
func init() {
proto.RegisterFile("micro/go-micro/registry/proto/registry.proto", fileDescriptor_f287a6b809166ad2)
}
var fileDescriptor_f287a6b809166ad2 = []byte{
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}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConn
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion4
// RegistryClient is the client API for Registry service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type RegistryClient interface {
GetService(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error)
Register(ctx context.Context, in *Service, opts ...grpc.CallOption) (*EmptyResponse, error)
Deregister(ctx context.Context, in *Service, opts ...grpc.CallOption) (*EmptyResponse, error)
ListServices(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
Watch(ctx context.Context, in *WatchRequest, opts ...grpc.CallOption) (Registry_WatchClient, error)
}
type registryClient struct {
cc *grpc.ClientConn
}
func NewRegistryClient(cc *grpc.ClientConn) RegistryClient {
return &registryClient{cc}
}
func (c *registryClient) GetService(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error) {
out := new(GetResponse)
err := c.cc.Invoke(ctx, "/go.micro.registry.Registry/GetService", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *registryClient) Register(ctx context.Context, in *Service, opts ...grpc.CallOption) (*EmptyResponse, error) {
out := new(EmptyResponse)
err := c.cc.Invoke(ctx, "/go.micro.registry.Registry/Register", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *registryClient) Deregister(ctx context.Context, in *Service, opts ...grpc.CallOption) (*EmptyResponse, error) {
out := new(EmptyResponse)
err := c.cc.Invoke(ctx, "/go.micro.registry.Registry/Deregister", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *registryClient) ListServices(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error) {
out := new(ListResponse)
err := c.cc.Invoke(ctx, "/go.micro.registry.Registry/ListServices", in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *registryClient) Watch(ctx context.Context, in *WatchRequest, opts ...grpc.CallOption) (Registry_WatchClient, error) {
stream, err := c.cc.NewStream(ctx, &_Registry_serviceDesc.Streams[0], "/go.micro.registry.Registry/Watch", opts...)
if err != nil {
return nil, err
}
x := &registryWatchClient{stream}
if err := x.ClientStream.SendMsg(in); err != nil {
return nil, err
}
if err := x.ClientStream.CloseSend(); err != nil {
return nil, err
}
return x, nil
}
type Registry_WatchClient interface {
Recv() (*Result, error)
grpc.ClientStream
}
type registryWatchClient struct {
grpc.ClientStream
}
func (x *registryWatchClient) Recv() (*Result, error) {
m := new(Result)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// RegistryServer is the server API for Registry service.
type RegistryServer interface {
GetService(context.Context, *GetRequest) (*GetResponse, error)
Register(context.Context, *Service) (*EmptyResponse, error)
Deregister(context.Context, *Service) (*EmptyResponse, error)
ListServices(context.Context, *ListRequest) (*ListResponse, error)
Watch(*WatchRequest, Registry_WatchServer) error
}
func RegisterRegistryServer(s *grpc.Server, srv RegistryServer) {
s.RegisterService(&_Registry_serviceDesc, srv)
}
func _Registry_GetService_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(GetRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RegistryServer).GetService(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.registry.Registry/GetService",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RegistryServer).GetService(ctx, req.(*GetRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Registry_Register_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Service)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RegistryServer).Register(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.registry.Registry/Register",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RegistryServer).Register(ctx, req.(*Service))
}
return interceptor(ctx, in, info, handler)
}
func _Registry_Deregister_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(Service)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RegistryServer).Deregister(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.registry.Registry/Deregister",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RegistryServer).Deregister(ctx, req.(*Service))
}
return interceptor(ctx, in, info, handler)
}
func _Registry_ListServices_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(ListRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(RegistryServer).ListServices(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/go.micro.registry.Registry/ListServices",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(RegistryServer).ListServices(ctx, req.(*ListRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Registry_Watch_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(WatchRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(RegistryServer).Watch(m, &registryWatchServer{stream})
}
type Registry_WatchServer interface {
Send(*Result) error
grpc.ServerStream
}
type registryWatchServer struct {
grpc.ServerStream
}
func (x *registryWatchServer) Send(m *Result) error {
return x.ServerStream.SendMsg(m)
}
var _Registry_serviceDesc = grpc.ServiceDesc{
ServiceName: "go.micro.registry.Registry",
HandlerType: (*RegistryServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "GetService",
Handler: _Registry_GetService_Handler,
},
{
MethodName: "Register",
Handler: _Registry_Register_Handler,
},
{
MethodName: "Deregister",
Handler: _Registry_Deregister_Handler,
},
{
MethodName: "ListServices",
Handler: _Registry_ListServices_Handler,
},
},
Streams: []grpc.StreamDesc{
{
StreamName: "Watch",
Handler: _Registry_Watch_Handler,
ServerStreams: true,
},
},
Metadata: "micro/go-micro/registry/proto/registry.proto",
func init() { proto.RegisterFile("registry.proto", fileDescriptor_41af05d40a615591) }
var fileDescriptor_41af05d40a615591 = []byte{
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}

19
registry/proto/registry.proto
View File

@@ -71,3 +71,22 @@ message WatchRequest {
// service is optional
string service = 1;
}
// EventType defines the type of event
enum EventType {
Create = 0;
Delete = 1;
Update = 2;
}
// Event is registry event
message Event {
// Event Id
string id = 1;
// type of event
EventType type = 2;
// unix timestamp of event
int64 timestamp = 3;
// service entry
Service service = 4;
}

40
registry/watcher.go
View File

@@ -1,5 +1,7 @@
package registry
import "time"
// Watcher is an interface that returns updates
// about services within the registry.
type Watcher interface {
@@ -14,3 +16,41 @@ type Result struct {
Action string
Service *Service
}
// EventType defines registry event type
type EventType int
const (
// Create is emitted when a new service is registered
Create EventType = iota
// Delete is emitted when an existing service is deregsitered
Delete
// Update is emitted when an existing servicec is updated
Update
)
// String returns human readable event type
func (t EventType) String() string {
switch t {
case Create:
return "create"
case Delete:
return "delete"
case Update:
return "update"
default:
return "unknown"
}
}
// Event is registry event
type Event struct {
// Id is registry id
Id string
// Type defines type of event
Type EventType
// Timestamp is event timestamp
Timestamp time.Time
// Service is registry service
Service *Service
}