add mucp for config/source

2020-01-17 00:10:15 +08:00 · 2020-01-17 00:10:15 +08:00 · 071ab7aede
commit 071ab7aede
parent eac2ab3c28
7 changed files with 1101 additions and 0 deletions
--- a/config/source/mucp/mucp.go
+++ b/config/source/mucp/mucp.go
@ -0,0 +1,72 @@
+package mucp
+
+import (
+	"context"
+
+	"github.com/micro/go-micro/config/cmd"
+	"github.com/micro/go-micro/config/source"
+	proto "github.com/micro/go-micro/config/source/mucp/proto"
+	"github.com/micro/go-micro/util/log"
+)
+
+var (
+	DefaultServiceName = "go.micro.config"
+)
+
+type mucpSource struct {
+	serviceName string
+	key         string
+	opts        source.Options
+	client      proto.SourceService
+}
+
+func (m *mucpSource) Read() (set *source.ChangeSet, err error) {
+	req, err := m.client.Read(context.Background(), &proto.ReadRequest{Path: m.key})
+	if err != nil {
+		return nil, err
+	}
+
+	return toChangeSet(req.Change.ChangeSet), nil
+}
+
+func (m *mucpSource) Watch() (w source.Watcher, err error) {
+	stream, err := m.client.Watch(context.Background(), &proto.WatchRequest{Key: m.key})
+	if err != nil {
+		log.Error("watch err: ", err)
+		return
+	}
+	return newWatcher(stream)
+}
+
+// Write is unsupported
+func (m *mucpSource) Write(cs *source.ChangeSet) error {
+	return nil
+}
+
+func (m *mucpSource) String() string {
+	return "mucp"
+}
+
+func NewSource(opts ...source.Option) source.Source {
+	var options source.Options
+	for _, o := range opts {
+		o(&options)
+	}
+
+	addr := DefaultServiceName
+
+	if options.Context != nil {
+		a, ok := options.Context.Value(serviceNameKey{}).(string)
+		if ok {
+			addr = a
+		}
+	}
+
+	s := &mucpSource{
+		serviceName: addr,
+		opts:        options,
+		client:      proto.NewSourceService(addr, *cmd.DefaultOptions().Client),
+	}
+
+	return s
+}
--- a/config/source/mucp/options.go
+++ b/config/source/mucp/options.go
@ -0,0 +1,18 @@
+package mucp
+
+import (
+	"context"
+
+	"github.com/micro/go-micro/config/source"
+)
+
+type serviceNameKey struct{}
+
+func ServiceName(a string) source.Option {
+	return func(o *source.Options) {
+		if o.Context == nil {
+			o.Context = context.Background()
+		}
+		o.Context = context.WithValue(o.Context, serviceNameKey{}, a)
+	}
+}
--- a/config/source/mucp/proto/mucp.pb.go
+++ b/config/source/mucp/proto/mucp.pb.go
@ -0,0 +1,649 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: proto/mucp.proto
+
+package mucp
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+type ChangeSet struct {
+	Data                 []byte   `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
+	Checksum             string   `protobuf:"bytes,2,opt,name=checksum,proto3" json:"checksum,omitempty"`
+	Format               string   `protobuf:"bytes,3,opt,name=format,proto3" json:"format,omitempty"`
+	Source               string   `protobuf:"bytes,4,opt,name=source,proto3" json:"source,omitempty"`
+	Timestamp            int64    `protobuf:"varint,5,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ChangeSet) Reset()         { *m = ChangeSet{} }
+func (m *ChangeSet) String() string { return proto.CompactTextString(m) }
+func (*ChangeSet) ProtoMessage()    {}
+func (*ChangeSet) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{0}
+}
+
+func (m *ChangeSet) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ChangeSet.Unmarshal(m, b)
+}
+func (m *ChangeSet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ChangeSet.Marshal(b, m, deterministic)
+}
+func (m *ChangeSet) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ChangeSet.Merge(m, src)
+}
+func (m *ChangeSet) XXX_Size() int {
+	return xxx_messageInfo_ChangeSet.Size(m)
+}
+func (m *ChangeSet) XXX_DiscardUnknown() {
+	xxx_messageInfo_ChangeSet.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ChangeSet proto.InternalMessageInfo
+
+func (m *ChangeSet) GetData() []byte {
+	if m != nil {
+		return m.Data
+	}
+	return nil
+}
+
+func (m *ChangeSet) GetChecksum() string {
+	if m != nil {
+		return m.Checksum
+	}
+	return ""
+}
+
+func (m *ChangeSet) GetFormat() string {
+	if m != nil {
+		return m.Format
+	}
+	return ""
+}
+
+func (m *ChangeSet) GetSource() string {
+	if m != nil {
+		return m.Source
+	}
+	return ""
+}
+
+func (m *ChangeSet) GetTimestamp() int64 {
+	if m != nil {
+		return m.Timestamp
+	}
+	return 0
+}
+
+type Change struct {
+	Key                  string     `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Path                 string     `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	ChangeSet            *ChangeSet `protobuf:"bytes,3,opt,name=changeSet,proto3" json:"changeSet,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
+}
+
+func (m *Change) Reset()         { *m = Change{} }
+func (m *Change) String() string { return proto.CompactTextString(m) }
+func (*Change) ProtoMessage()    {}
+func (*Change) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{1}
+}
+
+func (m *Change) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Change.Unmarshal(m, b)
+}
+func (m *Change) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Change.Marshal(b, m, deterministic)
+}
+func (m *Change) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Change.Merge(m, src)
+}
+func (m *Change) XXX_Size() int {
+	return xxx_messageInfo_Change.Size(m)
+}
+func (m *Change) XXX_DiscardUnknown() {
+	xxx_messageInfo_Change.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Change proto.InternalMessageInfo
+
+func (m *Change) GetKey() string {
+	if m != nil {
+		return m.Key
+	}
+	return ""
+}
+
+func (m *Change) GetPath() string {
+	if m != nil {
+		return m.Path
+	}
+	return ""
+}
+
+func (m *Change) GetChangeSet() *ChangeSet {
+	if m != nil {
+		return m.ChangeSet
+	}
+	return nil
+}
+
+type CreateRequest struct {
+	Change               *Change  `protobuf:"bytes,1,opt,name=change,proto3" json:"change,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CreateRequest) Reset()         { *m = CreateRequest{} }
+func (m *CreateRequest) String() string { return proto.CompactTextString(m) }
+func (*CreateRequest) ProtoMessage()    {}
+func (*CreateRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{2}
+}
+
+func (m *CreateRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CreateRequest.Unmarshal(m, b)
+}
+func (m *CreateRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CreateRequest.Marshal(b, m, deterministic)
+}
+func (m *CreateRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CreateRequest.Merge(m, src)
+}
+func (m *CreateRequest) XXX_Size() int {
+	return xxx_messageInfo_CreateRequest.Size(m)
+}
+func (m *CreateRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_CreateRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CreateRequest proto.InternalMessageInfo
+
+func (m *CreateRequest) GetChange() *Change {
+	if m != nil {
+		return m.Change
+	}
+	return nil
+}
+
+type CreateResponse struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *CreateResponse) Reset()         { *m = CreateResponse{} }
+func (m *CreateResponse) String() string { return proto.CompactTextString(m) }
+func (*CreateResponse) ProtoMessage()    {}
+func (*CreateResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{3}
+}
+
+func (m *CreateResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_CreateResponse.Unmarshal(m, b)
+}
+func (m *CreateResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_CreateResponse.Marshal(b, m, deterministic)
+}
+func (m *CreateResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_CreateResponse.Merge(m, src)
+}
+func (m *CreateResponse) XXX_Size() int {
+	return xxx_messageInfo_CreateResponse.Size(m)
+}
+func (m *CreateResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_CreateResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_CreateResponse proto.InternalMessageInfo
+
+type UpdateRequest struct {
+	Change               *Change  `protobuf:"bytes,1,opt,name=change,proto3" json:"change,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *UpdateRequest) Reset()         { *m = UpdateRequest{} }
+func (m *UpdateRequest) String() string { return proto.CompactTextString(m) }
+func (*UpdateRequest) ProtoMessage()    {}
+func (*UpdateRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{4}
+}
+
+func (m *UpdateRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_UpdateRequest.Unmarshal(m, b)
+}
+func (m *UpdateRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_UpdateRequest.Marshal(b, m, deterministic)
+}
+func (m *UpdateRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UpdateRequest.Merge(m, src)
+}
+func (m *UpdateRequest) XXX_Size() int {
+	return xxx_messageInfo_UpdateRequest.Size(m)
+}
+func (m *UpdateRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_UpdateRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_UpdateRequest proto.InternalMessageInfo
+
+func (m *UpdateRequest) GetChange() *Change {
+	if m != nil {
+		return m.Change
+	}
+	return nil
+}
+
+type UpdateResponse struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *UpdateResponse) Reset()         { *m = UpdateResponse{} }
+func (m *UpdateResponse) String() string { return proto.CompactTextString(m) }
+func (*UpdateResponse) ProtoMessage()    {}
+func (*UpdateResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{5}
+}
+
+func (m *UpdateResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_UpdateResponse.Unmarshal(m, b)
+}
+func (m *UpdateResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_UpdateResponse.Marshal(b, m, deterministic)
+}
+func (m *UpdateResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_UpdateResponse.Merge(m, src)
+}
+func (m *UpdateResponse) XXX_Size() int {
+	return xxx_messageInfo_UpdateResponse.Size(m)
+}
+func (m *UpdateResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_UpdateResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_UpdateResponse proto.InternalMessageInfo
+
+type DeleteRequest struct {
+	Change               *Change  `protobuf:"bytes,1,opt,name=change,proto3" json:"change,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DeleteRequest) Reset()         { *m = DeleteRequest{} }
+func (m *DeleteRequest) String() string { return proto.CompactTextString(m) }
+func (*DeleteRequest) ProtoMessage()    {}
+func (*DeleteRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{6}
+}
+
+func (m *DeleteRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeleteRequest.Unmarshal(m, b)
+}
+func (m *DeleteRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeleteRequest.Marshal(b, m, deterministic)
+}
+func (m *DeleteRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeleteRequest.Merge(m, src)
+}
+func (m *DeleteRequest) XXX_Size() int {
+	return xxx_messageInfo_DeleteRequest.Size(m)
+}
+func (m *DeleteRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeleteRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeleteRequest proto.InternalMessageInfo
+
+func (m *DeleteRequest) GetChange() *Change {
+	if m != nil {
+		return m.Change
+	}
+	return nil
+}
+
+type DeleteResponse struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *DeleteResponse) Reset()         { *m = DeleteResponse{} }
+func (m *DeleteResponse) String() string { return proto.CompactTextString(m) }
+func (*DeleteResponse) ProtoMessage()    {}
+func (*DeleteResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{7}
+}
+
+func (m *DeleteResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_DeleteResponse.Unmarshal(m, b)
+}
+func (m *DeleteResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_DeleteResponse.Marshal(b, m, deterministic)
+}
+func (m *DeleteResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_DeleteResponse.Merge(m, src)
+}
+func (m *DeleteResponse) XXX_Size() int {
+	return xxx_messageInfo_DeleteResponse.Size(m)
+}
+func (m *DeleteResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_DeleteResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_DeleteResponse proto.InternalMessageInfo
+
+type ListRequest struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+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_942f149553cfb65d, []int{8}
+}
+
+func (m *ListRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListRequest.Unmarshal(m, b)
+}
+func (m *ListRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListRequest.Marshal(b, m, deterministic)
+}
+func (m *ListRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListRequest.Merge(m, src)
+}
+func (m *ListRequest) XXX_Size() int {
+	return xxx_messageInfo_ListRequest.Size(m)
+}
+func (m *ListRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListRequest proto.InternalMessageInfo
+
+type ListResponse struct {
+	Configs              []*Change `protobuf:"bytes,1,rep,name=configs,proto3" json:"configs,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
+	XXX_unrecognized     []byte    `json:"-"`
+	XXX_sizecache        int32     `json:"-"`
+}
+
+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_942f149553cfb65d, []int{9}
+}
+
+func (m *ListResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListResponse.Unmarshal(m, b)
+}
+func (m *ListResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListResponse.Marshal(b, m, deterministic)
+}
+func (m *ListResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListResponse.Merge(m, src)
+}
+func (m *ListResponse) XXX_Size() int {
+	return xxx_messageInfo_ListResponse.Size(m)
+}
+func (m *ListResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListResponse proto.InternalMessageInfo
+
+func (m *ListResponse) GetConfigs() []*Change {
+	if m != nil {
+		return m.Configs
+	}
+	return nil
+}
+
+type ReadRequest struct {
+	Key                  string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Path                 string   `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ReadRequest) Reset()         { *m = ReadRequest{} }
+func (m *ReadRequest) String() string { return proto.CompactTextString(m) }
+func (*ReadRequest) ProtoMessage()    {}
+func (*ReadRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{10}
+}
+
+func (m *ReadRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ReadRequest.Unmarshal(m, b)
+}
+func (m *ReadRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ReadRequest.Marshal(b, m, deterministic)
+}
+func (m *ReadRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadRequest.Merge(m, src)
+}
+func (m *ReadRequest) XXX_Size() int {
+	return xxx_messageInfo_ReadRequest.Size(m)
+}
+func (m *ReadRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ReadRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ReadRequest proto.InternalMessageInfo
+
+func (m *ReadRequest) GetKey() string {
+	if m != nil {
+		return m.Key
+	}
+	return ""
+}
+
+func (m *ReadRequest) GetPath() string {
+	if m != nil {
+		return m.Path
+	}
+	return ""
+}
+
+type ReadResponse struct {
+	Change               *Change  `protobuf:"bytes,1,opt,name=change,proto3" json:"change,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ReadResponse) Reset()         { *m = ReadResponse{} }
+func (m *ReadResponse) String() string { return proto.CompactTextString(m) }
+func (*ReadResponse) ProtoMessage()    {}
+func (*ReadResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{11}
+}
+
+func (m *ReadResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ReadResponse.Unmarshal(m, b)
+}
+func (m *ReadResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ReadResponse.Marshal(b, m, deterministic)
+}
+func (m *ReadResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ReadResponse.Merge(m, src)
+}
+func (m *ReadResponse) XXX_Size() int {
+	return xxx_messageInfo_ReadResponse.Size(m)
+}
+func (m *ReadResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ReadResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ReadResponse proto.InternalMessageInfo
+
+func (m *ReadResponse) GetChange() *Change {
+	if m != nil {
+		return m.Change
+	}
+	return nil
+}
+
+type WatchRequest struct {
+	Key                  string   `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+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_942f149553cfb65d, []int{12}
+}
+
+func (m *WatchRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_WatchRequest.Unmarshal(m, b)
+}
+func (m *WatchRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_WatchRequest.Marshal(b, m, deterministic)
+}
+func (m *WatchRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_WatchRequest.Merge(m, src)
+}
+func (m *WatchRequest) XXX_Size() int {
+	return xxx_messageInfo_WatchRequest.Size(m)
+}
+func (m *WatchRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_WatchRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_WatchRequest proto.InternalMessageInfo
+
+func (m *WatchRequest) GetKey() string {
+	if m != nil {
+		return m.Key
+	}
+	return ""
+}
+
+type WatchResponse struct {
+	Key                  string     `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	ChangeSet            *ChangeSet `protobuf:"bytes,2,opt,name=changeSet,proto3" json:"changeSet,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
+}
+
+func (m *WatchResponse) Reset()         { *m = WatchResponse{} }
+func (m *WatchResponse) String() string { return proto.CompactTextString(m) }
+func (*WatchResponse) ProtoMessage()    {}
+func (*WatchResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_942f149553cfb65d, []int{13}
+}
+
+func (m *WatchResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_WatchResponse.Unmarshal(m, b)
+}
+func (m *WatchResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_WatchResponse.Marshal(b, m, deterministic)
+}
+func (m *WatchResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_WatchResponse.Merge(m, src)
+}
+func (m *WatchResponse) XXX_Size() int {
+	return xxx_messageInfo_WatchResponse.Size(m)
+}
+func (m *WatchResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_WatchResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_WatchResponse proto.InternalMessageInfo
+
+func (m *WatchResponse) GetKey() string {
+	if m != nil {
+		return m.Key
+	}
+	return ""
+}
+
+func (m *WatchResponse) GetChangeSet() *ChangeSet {
+	if m != nil {
+		return m.ChangeSet
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*ChangeSet)(nil), "ChangeSet")
+	proto.RegisterType((*Change)(nil), "Change")
+	proto.RegisterType((*CreateRequest)(nil), "CreateRequest")
+	proto.RegisterType((*CreateResponse)(nil), "CreateResponse")
+	proto.RegisterType((*UpdateRequest)(nil), "UpdateRequest")
+	proto.RegisterType((*UpdateResponse)(nil), "UpdateResponse")
+	proto.RegisterType((*DeleteRequest)(nil), "DeleteRequest")
+	proto.RegisterType((*DeleteResponse)(nil), "DeleteResponse")
+	proto.RegisterType((*ListRequest)(nil), "ListRequest")
+	proto.RegisterType((*ListResponse)(nil), "ListResponse")
+	proto.RegisterType((*ReadRequest)(nil), "ReadRequest")
+	proto.RegisterType((*ReadResponse)(nil), "ReadResponse")
+	proto.RegisterType((*WatchRequest)(nil), "WatchRequest")
+	proto.RegisterType((*WatchResponse)(nil), "WatchResponse")
+}
+
+func init() { proto.RegisterFile("proto/mucp.proto", fileDescriptor_942f149553cfb65d) }
+
+var fileDescriptor_942f149553cfb65d = []byte{
+	// 425 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x93, 0xdd, 0x6e, 0xd3, 0x30,
+	0x14, 0xc7, 0x93, 0xa6, 0xcb, 0xc8, 0xc9, 0x47, 0xab, 0x73, 0x81, 0xa2, 0x08, 0x89, 0x60, 0x09,
+	0x29, 0x02, 0xc9, 0x1b, 0xdd, 0x23, 0x8c, 0x3b, 0xb8, 0xf2, 0x84, 0xe0, 0xd6, 0xa4, 0xde, 0x52,
+	0x8d, 0x34, 0x21, 0x76, 0x2e, 0x78, 0x84, 0xbd, 0x35, 0x8a, 0xed, 0xb4, 0x49, 0x11, 0xb0, 0xde,
+	0x9d, 0xcf, 0xbf, 0xff, 0x3d, 0xbf, 0x06, 0xd6, 0x6d, 0xd7, 0xa8, 0xe6, 0xaa, 0xee, 0xcb, 0x96,
+	0xea, 0x90, 0x3c, 0xb9, 0x10, 0xdc, 0x56, 0x7c, 0xff, 0x20, 0xee, 0x84, 0x42, 0x84, 0xe5, 0x96,
+	0x2b, 0x9e, 0xba, 0xb9, 0x5b, 0x44, 0x4c, 0xc7, 0x98, 0xc1, 0x8b, 0xb2, 0x12, 0xe5, 0xa3, 0xec,
+	0xeb, 0x74, 0x91, 0xbb, 0x45, 0xc0, 0x0e, 0x39, 0xbe, 0x04, 0xff, 0xbe, 0xe9, 0x6a, 0xae, 0x52,
+	0x4f, 0x77, 0x6c, 0x36, 0xd4, 0x65, 0xd3, 0x77, 0xa5, 0x48, 0x97, 0xa6, 0x6e, 0x32, 0x7c, 0x05,
+	0x81, 0xda, 0xd5, 0x42, 0x2a, 0x5e, 0xb7, 0xe9, 0x45, 0xee, 0x16, 0x1e, 0x3b, 0x16, 0xc8, 0x37,
+	0xf0, 0x8d, 0x15, 0x5c, 0x83, 0xf7, 0x28, 0x7e, 0x69, 0x1b, 0x01, 0x1b, 0xc2, 0xc1, 0x59, 0xcb,
+	0x55, 0x65, 0x1d, 0xe8, 0x18, 0x0b, 0x08, 0xca, 0xd1, 0xba, 0x36, 0x10, 0x6e, 0x80, 0x1e, 0x7e,
+	0x0c, 0x3b, 0x36, 0xc9, 0x35, 0xc4, 0xb7, 0x9d, 0xe0, 0x4a, 0x30, 0xf1, 0xb3, 0x17, 0x52, 0xe1,
+	0x6b, 0xf0, 0x4d, 0x57, 0xbf, 0x11, 0x6e, 0x2e, 0xed, 0x1e, 0xb3, 0x65, 0xb2, 0x86, 0x64, 0xdc,
+	0x90, 0x6d, 0xb3, 0x97, 0x62, 0xd0, 0xf8, 0xd2, 0x6e, 0xcf, 0xd4, 0x18, 0x37, 0x8e, 0x1a, 0x1f,
+	0xc5, 0x0f, 0x71, 0x9e, 0xc6, 0xb8, 0x61, 0x35, 0x62, 0x08, 0x3f, 0xef, 0xa4, 0xb2, 0x0a, 0xe4,
+	0x03, 0x44, 0x26, 0x35, 0x6d, 0x7c, 0x03, 0x97, 0x65, 0xb3, 0xbf, 0xdf, 0x3d, 0xc8, 0xd4, 0xcd,
+	0xbd, 0xa9, 0xe4, 0x58, 0x27, 0x37, 0x10, 0x32, 0xc1, 0xb7, 0xa3, 0x87, 0x67, 0x1d, 0x9b, 0x5c,
+	0x41, 0x64, 0x96, 0xec, 0x3b, 0xff, 0x75, 0x9e, 0x43, 0xf4, 0x95, 0xab, 0xb2, 0xfa, 0xeb, 0x33,
+	0xe4, 0x13, 0xc4, 0x76, 0xc2, 0x6a, 0xfe, 0xe9, 0x64, 0x86, 0x78, 0xf1, 0x0f, 0xc4, 0x9b, 0xa7,
+	0x05, 0xf8, 0x77, 0xe6, 0x5f, 0xf6, 0x1e, 0x7c, 0xc3, 0x0e, 0x13, 0x3a, 0xc3, 0x9e, 0xad, 0xe8,
+	0x09, 0x54, 0x67, 0x18, 0x36, 0x90, 0x30, 0xa1, 0x33, 0xbe, 0xd9, 0x8a, 0x9e, 0xd0, 0xd3, 0xc3,
+	0x86, 0x06, 0x26, 0x74, 0x06, 0x32, 0x5b, 0xd1, 0x13, 0x4c, 0x0e, 0xbe, 0x85, 0xe5, 0x40, 0x06,
+	0x23, 0x3a, 0xe1, 0x95, 0xc5, 0x74, 0x8a, 0xcb, 0x8c, 0x0d, 0x87, 0xc5, 0x88, 0x4e, 0xa0, 0x64,
+	0x31, 0x9d, 0x5e, 0x9b, 0x38, 0xf8, 0x0e, 0x2e, 0xf4, 0xb1, 0x30, 0xa6, 0xd3, 0xb3, 0x66, 0x09,
+	0x9d, 0xdd, 0x90, 0x38, 0xd7, 0xee, 0x77, 0x5f, 0x7f, 0xdb, 0x37, 0xbf, 0x03, 0x00, 0x00, 0xff,
+	0xff, 0x66, 0x66, 0xa8, 0x5d, 0xef, 0x03, 0x00, 0x00,
+}
--- a/config/source/mucp/proto/mucp.pb.micro.go
+++ b/config/source/mucp/proto/mucp.pb.micro.go
@ -0,0 +1,241 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: proto/mucp.proto
+
+package mucp
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	math "math"
+)
+
+import (
+	context "context"
+	client "github.com/micro/go-micro/client"
+	server "github.com/micro/go-micro/server"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ client.Option
+var _ server.Option
+
+// Client API for Source service
+
+type SourceService interface {
+	Create(ctx context.Context, in *CreateRequest, opts ...client.CallOption) (*CreateResponse, error)
+	Update(ctx context.Context, in *UpdateRequest, opts ...client.CallOption) (*UpdateResponse, error)
+	Delete(ctx context.Context, in *DeleteRequest, opts ...client.CallOption) (*DeleteResponse, error)
+	List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error)
+	Read(ctx context.Context, in *ReadRequest, opts ...client.CallOption) (*ReadResponse, error)
+	Watch(ctx context.Context, in *WatchRequest, opts ...client.CallOption) (Source_WatchService, error)
+}
+
+type sourceService struct {
+	c    client.Client
+	name string
+}
+
+func NewSourceService(name string, c client.Client) SourceService {
+	if c == nil {
+		c = client.NewClient()
+	}
+	if len(name) == 0 {
+		name = "source"
+	}
+	return &sourceService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *sourceService) Create(ctx context.Context, in *CreateRequest, opts ...client.CallOption) (*CreateResponse, error) {
+	req := c.c.NewRequest(c.name, "Source.Create", in)
+	out := new(CreateResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *sourceService) Update(ctx context.Context, in *UpdateRequest, opts ...client.CallOption) (*UpdateResponse, error) {
+	req := c.c.NewRequest(c.name, "Source.Update", in)
+	out := new(UpdateResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *sourceService) Delete(ctx context.Context, in *DeleteRequest, opts ...client.CallOption) (*DeleteResponse, error) {
+	req := c.c.NewRequest(c.name, "Source.Delete", in)
+	out := new(DeleteResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *sourceService) List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error) {
+	req := c.c.NewRequest(c.name, "Source.List", in)
+	out := new(ListResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *sourceService) Read(ctx context.Context, in *ReadRequest, opts ...client.CallOption) (*ReadResponse, error) {
+	req := c.c.NewRequest(c.name, "Source.Read", in)
+	out := new(ReadResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *sourceService) Watch(ctx context.Context, in *WatchRequest, opts ...client.CallOption) (Source_WatchService, error) {
+	req := c.c.NewRequest(c.name, "Source.Watch", &WatchRequest{})
+	stream, err := c.c.Stream(ctx, req, opts...)
+	if err != nil {
+		return nil, err
+	}
+	if err := stream.Send(in); err != nil {
+		return nil, err
+	}
+	return &sourceServiceWatch{stream}, nil
+}
+
+type Source_WatchService interface {
+	SendMsg(interface{}) error
+	RecvMsg(interface{}) error
+	Close() error
+	Recv() (*WatchResponse, error)
+}
+
+type sourceServiceWatch struct {
+	stream client.Stream
+}
+
+func (x *sourceServiceWatch) Close() error {
+	return x.stream.Close()
+}
+
+func (x *sourceServiceWatch) SendMsg(m interface{}) error {
+	return x.stream.Send(m)
+}
+
+func (x *sourceServiceWatch) RecvMsg(m interface{}) error {
+	return x.stream.Recv(m)
+}
+
+func (x *sourceServiceWatch) Recv() (*WatchResponse, error) {
+	m := new(WatchResponse)
+	err := x.stream.Recv(m)
+	if err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// Server API for Source service
+
+type SourceHandler interface {
+	Create(context.Context, *CreateRequest, *CreateResponse) error
+	Update(context.Context, *UpdateRequest, *UpdateResponse) error
+	Delete(context.Context, *DeleteRequest, *DeleteResponse) error
+	List(context.Context, *ListRequest, *ListResponse) error
+	Read(context.Context, *ReadRequest, *ReadResponse) error
+	Watch(context.Context, *WatchRequest, Source_WatchStream) error
+}
+
+func RegisterSourceHandler(s server.Server, hdlr SourceHandler, opts ...server.HandlerOption) error {
+	type source interface {
+		Create(ctx context.Context, in *CreateRequest, out *CreateResponse) error
+		Update(ctx context.Context, in *UpdateRequest, out *UpdateResponse) error
+		Delete(ctx context.Context, in *DeleteRequest, out *DeleteResponse) error
+		List(ctx context.Context, in *ListRequest, out *ListResponse) error
+		Read(ctx context.Context, in *ReadRequest, out *ReadResponse) error
+		Watch(ctx context.Context, stream server.Stream) error
+	}
+	type Source struct {
+		source
+	}
+	h := &sourceHandler{hdlr}
+	return s.Handle(s.NewHandler(&Source{h}, opts...))
+}
+
+type sourceHandler struct {
+	SourceHandler
+}
+
+func (h *sourceHandler) Create(ctx context.Context, in *CreateRequest, out *CreateResponse) error {
+	return h.SourceHandler.Create(ctx, in, out)
+}
+
+func (h *sourceHandler) Update(ctx context.Context, in *UpdateRequest, out *UpdateResponse) error {
+	return h.SourceHandler.Update(ctx, in, out)
+}
+
+func (h *sourceHandler) Delete(ctx context.Context, in *DeleteRequest, out *DeleteResponse) error {
+	return h.SourceHandler.Delete(ctx, in, out)
+}
+
+func (h *sourceHandler) List(ctx context.Context, in *ListRequest, out *ListResponse) error {
+	return h.SourceHandler.List(ctx, in, out)
+}
+
+func (h *sourceHandler) Read(ctx context.Context, in *ReadRequest, out *ReadResponse) error {
+	return h.SourceHandler.Read(ctx, in, out)
+}
+
+func (h *sourceHandler) Watch(ctx context.Context, stream server.Stream) error {
+	m := new(WatchRequest)
+	if err := stream.Recv(m); err != nil {
+		return err
+	}
+	return h.SourceHandler.Watch(ctx, m, &sourceWatchStream{stream})
+}
+
+type Source_WatchStream interface {
+	SendMsg(interface{}) error
+	RecvMsg(interface{}) error
+	Close() error
+	Send(*WatchResponse) error
+}
+
+type sourceWatchStream struct {
+	stream server.Stream
+}
+
+func (x *sourceWatchStream) Close() error {
+	return x.stream.Close()
+}
+
+func (x *sourceWatchStream) SendMsg(m interface{}) error {
+	return x.stream.Send(m)
+}
+
+func (x *sourceWatchStream) RecvMsg(m interface{}) error {
+	return x.stream.Recv(m)
+}
+
+func (x *sourceWatchStream) Send(m *WatchResponse) error {
+	return x.stream.Send(m)
+}
--- a/config/source/mucp/proto/mucp.proto
+++ b/config/source/mucp/proto/mucp.proto
@ -0,0 +1,76 @@
+syntax = "proto3";
+
+service Source {
+    rpc Create (CreateRequest) returns (CreateResponse) {
+    }
+    rpc Update (UpdateRequest) returns (UpdateResponse) {
+    }
+    rpc Delete (DeleteRequest) returns (DeleteResponse) {
+    }
+    rpc List (ListRequest) returns (ListResponse) {
+    }
+    rpc Read (ReadRequest) returns (ReadResponse) {
+    }
+    rpc Watch (WatchRequest) returns (stream WatchResponse) {
+    }
+}
+
+message ChangeSet {
+    bytes data = 1;
+    string checksum = 2;
+    string format = 3;
+    string source = 4;
+    int64 timestamp = 5;
+}
+
+message Change {
+    string key = 1;
+    string path = 2;
+    ChangeSet changeSet = 3;
+}
+
+message CreateRequest {
+    Change change = 1;
+}
+
+message CreateResponse {
+}
+
+message UpdateRequest {
+    Change change = 1;
+}
+
+message UpdateResponse {
+}
+
+message DeleteRequest {
+    Change change = 1;
+}
+
+message DeleteResponse {
+}
+
+message ListRequest {
+}
+
+message ListResponse {
+    repeated Change configs = 1;
+}
+
+message ReadRequest {
+    string key = 1;
+    string path = 2;
+}
+
+message ReadResponse {
+    Change change = 1;
+}
+
+message WatchRequest {
+    string key = 1;
+}
+
+message WatchResponse {
+    string key = 1;
+    ChangeSet changeSet = 2;
+}
--- a/config/source/mucp/util.go
+++ b/config/source/mucp/util.go
@ -0,0 +1,18 @@
+package mucp
+
+import (
+	"time"
+
+	"github.com/micro/go-micro/config/source"
+	proto "github.com/micro/go-micro/config/source/mucp/proto"
+)
+
+func toChangeSet(c *proto.ChangeSet) *source.ChangeSet {
+	return &source.ChangeSet{
+		Data:      c.Data,
+		Checksum:  c.Checksum,
+		Format:    c.Format,
+		Timestamp: time.Unix(c.Timestamp, 0),
+		Source:    c.Source,
+	}
+}
--- a/config/source/mucp/watcher.go
+++ b/config/source/mucp/watcher.go
@ -0,0 +1,27 @@
+package mucp
+
+import (
+	"github.com/micro/go-micro/config/source"
+	proto "github.com/micro/go-micro/config/source/mucp/proto"
+)
+
+type watcher struct {
+	stream proto.Source_WatchService
+}
+
+func newWatcher(stream proto.Source_WatchService) (source.Watcher, error) {
+	return &watcher{stream: stream}, nil
+}
+
+func (w *watcher) Next() (*source.ChangeSet, error) {
+	var rsp proto.WatchResponse
+	err := w.stream.RecvMsg(&rsp)
+	if err != nil {
+		return nil, err
+	}
+	return toChangeSet(rsp.ChangeSet), nil
+}
+
+func (w *watcher) Stop() error {
+	return w.stream.Close()
+}