Add Post to events service

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

api/services/events/v1/container.pb.go

@@ -21,6 +21,7 @@
 		ContainerDelete
 		ContentDelete
 		StreamEventsRequest
+		PostEventRequest
 		Envelope
 		ImageUpdate
 		ImageDelete

api/services/events/v1/events.pb.go

@@ -8,8 +8,9 @@ import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
 import _ "github.com/gogo/protobuf/gogoproto"
-import _ "github.com/gogo/protobuf/types"
 import google_protobuf1 "github.com/gogo/protobuf/types"
+import google_protobuf2 "github.com/golang/protobuf/ptypes/empty"
+import _ "github.com/gogo/protobuf/types"
 
 import time "time"
 
@@ -38,6 +39,14 @@ func (m *StreamEventsRequest) Reset()                    { *m = StreamEventsRequ
 func (*StreamEventsRequest) ProtoMessage()               {}
 func (*StreamEventsRequest) Descriptor() ([]byte, []int) { return fileDescriptorEvents, []int{0} }
 
+type PostEventRequest struct {
+	Envelope *Envelope `protobuf:"bytes,1,opt,name=envelope" json:"envelope,omitempty"`
+}
+
+func (m *PostEventRequest) Reset()                    { *m = PostEventRequest{} }
+func (*PostEventRequest) ProtoMessage()               {}
+func (*PostEventRequest) Descriptor() ([]byte, []int) { return fileDescriptorEvents, []int{1} }
+
 type Envelope struct {
 	Timestamp time.Time             `protobuf:"bytes,1,opt,name=timestamp,stdtime" json:"timestamp"`
 	Topic     string                `protobuf:"bytes,2,opt,name=topic,proto3" json:"topic,omitempty"`
@@ -46,10 +55,11 @@ type Envelope struct {
 
 func (m *Envelope) Reset()                    { *m = Envelope{} }
 func (*Envelope) ProtoMessage()               {}
-func (*Envelope) Descriptor() ([]byte, []int) { return fileDescriptorEvents, []int{1} }
+func (*Envelope) Descriptor() ([]byte, []int) { return fileDescriptorEvents, []int{2} }
 
 func init() {
 	proto.RegisterType((*StreamEventsRequest)(nil), "containerd.services.events.v1.StreamEventsRequest")
+	proto.RegisterType((*PostEventRequest)(nil), "containerd.services.events.v1.PostEventRequest")
 	proto.RegisterType((*Envelope)(nil), "containerd.services.events.v1.Envelope")
 }
 
@@ -65,6 +75,7 @@ const _ = grpc.SupportPackageIsVersion4
 
 type EventsClient interface {
 	Stream(ctx context.Context, in *StreamEventsRequest, opts ...grpc.CallOption) (Events_StreamClient, error)
+	Post(ctx context.Context, in *PostEventRequest, opts ...grpc.CallOption) (*google_protobuf2.Empty, error)
 }
 
 type eventsClient struct {
@@ -107,10 +118,20 @@ func (x *eventsStreamClient) Recv() (*Envelope, error) {
 	return m, nil
 }
 
+func (c *eventsClient) Post(ctx context.Context, in *PostEventRequest, opts ...grpc.CallOption) (*google_protobuf2.Empty, error) {
+	out := new(google_protobuf2.Empty)
+	err := grpc.Invoke(ctx, "/containerd.services.events.v1.Events/Post", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for Events service
 
 type EventsServer interface {
 	Stream(*StreamEventsRequest, Events_StreamServer) error
+	Post(context.Context, *PostEventRequest) (*google_protobuf2.Empty, error)
 }
 
 func RegisterEventsServer(s *grpc.Server, srv EventsServer) {
@@ -138,10 +159,33 @@ func (x *eventsStreamServer) Send(m *Envelope) error {
 	return x.ServerStream.SendMsg(m)
 }
 
+func _Events_Post_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(PostEventRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(EventsServer).Post(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/containerd.services.events.v1.Events/Post",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(EventsServer).Post(ctx, req.(*PostEventRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Events_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "containerd.services.events.v1.Events",
 	HandlerType: (*EventsServer)(nil),
-	Methods:     []grpc.MethodDesc{},
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Post",
+			Handler:    _Events_Post_Handler,
+		},
+	},
 	Streams: []grpc.StreamDesc{
 		{
 			StreamName:    "Stream",
@@ -170,6 +214,34 @@ func (m *StreamEventsRequest) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *PostEventRequest) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalTo(dAtA)
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *PostEventRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Envelope != nil {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintEvents(dAtA, i, uint64(m.Envelope.Size()))
+		n1, err := m.Envelope.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n1
+	}
+	return i, nil
+}
+
 func (m *Envelope) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -188,11 +260,11 @@ func (m *Envelope) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0xa
 	i++
 	i = encodeVarintEvents(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp)))
-	n1, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i:])
+	n2, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n1
+	i += n2
 	if len(m.Topic) > 0 {
 		dAtA[i] = 0x12
 		i++
@@ -203,11 +275,11 @@ func (m *Envelope) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x1a
 		i++
 		i = encodeVarintEvents(dAtA, i, uint64(m.Event.Size()))
-		n2, err := m.Event.MarshalTo(dAtA[i:])
+		n3, err := m.Event.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n2
+		i += n3
 	}
 	return i, nil
 }
@@ -245,6 +317,16 @@ func (m *StreamEventsRequest) Size() (n int) {
 	return n
 }
 
+func (m *PostEventRequest) Size() (n int) {
+	var l int
+	_ = l
+	if m.Envelope != nil {
+		l = m.Envelope.Size()
+		n += 1 + l + sovEvents(uint64(l))
+	}
+	return n
+}
+
 func (m *Envelope) Size() (n int) {
 	var l int
 	_ = l
@@ -283,12 +365,22 @@ func (this *StreamEventsRequest) String() string {
 	}, "")
 	return s
 }
+func (this *PostEventRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&PostEventRequest{`,
+		`Envelope:` + strings.Replace(fmt.Sprintf("%v", this.Envelope), "Envelope", "Envelope", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *Envelope) String() string {
 	if this == nil {
 		return "nil"
 	}
 	s := strings.Join([]string{`&Envelope{`,
-		`Timestamp:` + strings.Replace(strings.Replace(this.Timestamp.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`Timestamp:` + strings.Replace(strings.Replace(this.Timestamp.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
 		`Topic:` + fmt.Sprintf("%v", this.Topic) + `,`,
 		`Event:` + strings.Replace(fmt.Sprintf("%v", this.Event), "Any", "google_protobuf1.Any", 1) + `,`,
 		`}`,
@@ -353,6 +445,89 @@ func (m *StreamEventsRequest) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *PostEventRequest) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowEvents
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: PostEventRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: PostEventRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Envelope", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowEvents
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthEvents
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Envelope == nil {
+				m.Envelope = &Envelope{}
+			}
+			if err := m.Envelope.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipEvents(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthEvents
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *Envelope) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -605,25 +780,28 @@ func init() {
 }
 
 var fileDescriptorEvents = []byte{
-	// 313 bytes of a gzipped FileDescriptorProto
+	// 367 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x91, 0xc1, 0x4a, 0xc3, 0x30,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x92, 0xc1, 0x4e, 0xc2, 0x40,
-	0x1c, 0xc6, 0x17, 0x65, 0x63, 0x8b, 0xb7, 0x38, 0x61, 0x16, 0xcc, 0xc6, 0x2e, 0x0e, 0x0f, 0x89,
+	0x10, 0x86, 0x59, 0x15, 0x02, 0xeb, 0xc5, 0xac, 0x68, 0xb0, 0xc6, 0x42, 0xb8, 0x48, 0x3c, 0xec,
-	0x9b, 0x47, 0x41, 0x70, 0xb8, 0x17, 0xa8, 0x1e, 0xc4, 0x5b, 0x57, 0xff, 0xc6, 0xc0, 0x9a, 0x74,
+	0x0a, 0x1e, 0x4d, 0x4c, 0x44, 0x39, 0x6b, 0xaa, 0x89, 0xc6, 0x5b, 0xa9, 0x63, 0x6d, 0x42, 0xbb,
-	0x6d, 0x56, 0xd8, 0xcd, 0x47, 0xd8, 0x63, 0xf5, 0xe8, 0xd1, 0x93, 0xba, 0x3e, 0x89, 0x98, 0xb4,
+	0xb5, 0x5d, 0x9a, 0x70, 0xf3, 0x11, 0x78, 0x26, 0x4f, 0x1c, 0x3d, 0x7a, 0x52, 0xe9, 0x93, 0x18,
-	0x4e, 0x54, 0x14, 0xbc, 0x7d, 0x7f, 0xf2, 0xfb, 0xbe, 0xfc, 0xbf, 0x04, 0x5f, 0x08, 0x69, 0xee,
+	0x76, 0xb7, 0x60, 0xc0, 0x88, 0xf1, 0x36, 0x3b, 0xf3, 0xcd, 0xf4, 0x9f, 0x7f, 0x8a, 0xcf, 0x5d,
-	0x17, 0x53, 0x16, 0xea, 0x88, 0x87, 0x5a, 0x99, 0x40, 0x2a, 0x48, 0x6e, 0x3f, 0xcb, 0x20, 0x96,
+	0x4f, 0x3c, 0xf6, 0xbb, 0xd4, 0xe1, 0x3e, 0x73, 0x78, 0x20, 0x6c, 0x2f, 0x80, 0xe8, 0xfe, 0x7b,
-	0x3c, 0x85, 0x24, 0x93, 0x21, 0xa4, 0x1c, 0x32, 0x50, 0x26, 0xe5, 0xd9, 0xb0, 0x54, 0x2c, 0x4e,
+	0x68, 0x87, 0x1e, 0x8b, 0x21, 0x4a, 0x3c, 0x07, 0x62, 0x06, 0x09, 0x04, 0x22, 0x66, 0x49, 0x53,
-	0xb4, 0xd1, 0xe4, 0x60, 0xc3, 0xb3, 0x8a, 0x65, 0x25, 0x91, 0x0d, 0xbd, 0xb6, 0xd0, 0x42, 0x5b,
+	0x47, 0x34, 0x8c, 0xb8, 0xe0, 0x64, 0x6f, 0xc6, 0xd3, 0x8c, 0xa5, 0x9a, 0x48, 0x9a, 0x46, 0xd9,
-	0x92, 0xbf, 0x2b, 0x67, 0xf2, 0xba, 0x42, 0x6b, 0x31, 0x03, 0x6e, 0xa7, 0xe9, 0xe2, 0x8e, 0x1b,
+	0xe5, 0x2e, 0x97, 0x24, 0x9b, 0x44, 0xaa, 0xc9, 0xd8, 0x71, 0x39, 0x77, 0x7b, 0xc0, 0xe4, 0xab,
-	0x19, 0x41, 0x6a, 0x82, 0x28, 0x2e, 0x81, 0xfd, 0xaf, 0x40, 0xa0, 0x96, 0xee, 0xa8, 0xbf, 0x87,
+	0xdb, 0x7f, 0x60, 0x76, 0x30, 0xd0, 0xa5, 0xdd, 0xf9, 0x12, 0xf8, 0xa1, 0xc8, 0x8a, 0xd5, 0xf9,
-	0x77, 0x2f, 0x4d, 0x02, 0x41, 0x34, 0xb1, 0x97, 0xf8, 0x30, 0x5f, 0x40, 0x6a, 0xfa, 0x2b, 0x84,
+	0xa2, 0xf0, 0x7c, 0x88, 0x85, 0xed, 0x87, 0x0a, 0xa8, 0x6f, 0xe1, 0xcd, 0x2b, 0x11, 0x81, 0xed,
-	0x9b, 0x13, 0x95, 0xc1, 0x4c, 0xc7, 0x40, 0xc6, 0xb8, 0xf5, 0x91, 0xd8, 0x41, 0x3d, 0x34, 0xd8,
+	0x77, 0xa4, 0x02, 0x0b, 0x9e, 0xfa, 0x10, 0x8b, 0xfa, 0x0d, 0xde, 0xb8, 0xe4, 0xb1, 0x90, 0x49,
-	0x19, 0x79, 0xcc, 0x45, 0xb2, 0x2a, 0x92, 0x5d, 0x55, 0xc4, 0xb8, 0x99, 0x3f, 0x77, 0x6b, 0xab,
+	0x9d, 0x23, 0x67, 0xb8, 0x08, 0x41, 0x02, 0x3d, 0x1e, 0x42, 0x05, 0xd5, 0x50, 0x63, 0xbd, 0xb5,
-	0x97, 0x2e, 0xf2, 0x37, 0x36, 0xd2, 0xc6, 0x75, 0xa3, 0x63, 0x19, 0x76, 0xb6, 0x7a, 0x68, 0xd0,
+	0x4f, 0x7f, 0xdd, 0x85, 0x76, 0x34, 0x6e, 0x4d, 0x1b, 0xeb, 0x43, 0x84, 0x8b, 0x59, 0x9a, 0xb4,
-	0xf2, 0xdd, 0x40, 0x8e, 0x70, 0xdd, 0x96, 0xeb, 0x6c, 0xdb, 0xd4, 0xf6, 0xb7, 0xd4, 0x73, 0xb5,
+	0x71, 0x69, 0xaa, 0x47, 0x8f, 0x34, 0xa8, 0x52, 0x4c, 0x33, 0xc5, 0xf4, 0x3a, 0x23, 0xda, 0xc5,
-	0xf4, 0x1d, 0x32, 0x9a, 0xe3, 0x86, 0xdb, 0x91, 0x08, 0xdc, 0x70, 0x3b, 0x93, 0x11, 0xfb, 0xf5,
+	0xd1, 0x7b, 0x35, 0x37, 0xfc, 0xa8, 0x22, 0x6b, 0xd6, 0x46, 0xca, 0x38, 0x2f, 0x78, 0xe8, 0x39,
-	0xbd, 0xd8, 0x0f, 0xd5, 0xbc, 0xc3, 0x3f, 0x3c, 0x55, 0xed, 0x63, 0x34, 0xbe, 0xce, 0xd7, 0xb4,
+	0x95, 0x95, 0x1a, 0x6a, 0x94, 0x2c, 0xf5, 0x20, 0x07, 0x38, 0x2f, 0x65, 0x54, 0x56, 0xe5, 0xd4,
-	0xf6, 0xb4, 0xa6, 0xb5, 0x87, 0x82, 0xa2, 0xbc, 0xa0, 0xe8, 0xb1, 0xa0, 0xe8, 0xb5, 0xa0, 0xe8,
+	0xf2, 0xc2, 0xd4, 0xd3, 0x60, 0x60, 0x29, 0xa4, 0xf5, 0x82, 0x70, 0x41, 0x6d, 0x4f, 0x5c, 0x5c,
-	0xe6, 0xec, 0x9f, 0xbf, 0x7d, 0xea, 0xd4, 0xb4, 0x61, 0x1b, 0x9e, 0xbc, 0x05, 0x00, 0x00, 0xff,
+	0x50, 0x6e, 0x90, 0xd6, 0x92, 0xd5, 0x7e, 0x30, 0xcd, 0xf8, 0xab, 0x1d, 0x87, 0x88, 0x5c, 0xe0,
-	0xff, 0xc3, 0x54, 0xa2, 0xf3, 0x36, 0x02, 0x00, 0x00,
+	0xb5, 0x89, 0xbf, 0x84, 0x2d, 0x69, 0x99, 0x3f, 0x82, 0xb1, 0xbd, 0xb0, 0x49, 0x67, 0x72, 0xee,
+	0xf6, 0xed, 0x68, 0x6c, 0xe6, 0xde, 0xc6, 0x66, 0xee, 0x39, 0x35, 0xd1, 0x28, 0x35, 0xd1, 0x6b,
+	0x6a, 0xa2, 0xcf, 0xd4, 0x44, 0x77, 0x27, 0xff, 0xfc, 0x6b, 0x8f, 0x55, 0xd4, 0x2d, 0xc8, 0x2f,
+	0x1d, 0x7d, 0x05, 0x00, 0x00, 0xff, 0xff, 0xdd, 0x37, 0xcb, 0x0e, 0xfe, 0x02, 0x00, 0x00,
 }

api/services/events/v1/events.proto

@@ -3,17 +3,23 @@ syntax = "proto3";
 package containerd.services.events.v1;
 
 import "gogoproto/gogo.proto";
-import "google/protobuf/timestamp.proto";
 import "google/protobuf/any.proto";
+import "google/protobuf/empty.proto";
+import "google/protobuf/timestamp.proto";
 
 option go_package = "github.com/containerd/containerd/api/services/events/v1;events";
 
 service Events {
 	rpc Stream(StreamEventsRequest) returns (stream Envelope);
+	rpc Post(PostEventRequest) returns (google.protobuf.Empty);
 }
 
 message StreamEventsRequest {}
 
+message PostEventRequest {
+	Envelope envelope = 1;
+}
+
 message Envelope {
 	google.protobuf.Timestamp timestamp = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
 	string topic = 2;

api/services/events/v1/runtime.pb.go

@@ -583,8 +583,8 @@ func (this *RuntimeEvent) String() string {
 		`Type:` + fmt.Sprintf("%v", this.Type) + `,`,
 		`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
 		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
-		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
-		`Timestamp:` + strings.Replace(strings.Replace(this.Timestamp.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`Timestamp:` + strings.Replace(strings.Replace(this.Timestamp.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -597,7 +597,7 @@ func (this *RuntimeDelete) String() string {
 		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
 		`Runtime:` + fmt.Sprintf("%v", this.Runtime) + `,`,
 		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
-		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf2.Timestamp", 1), `&`, ``, 1) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf3.Timestamp", 1), `&`, ``, 1) + `,`,
 		`}`,
 	}, "")
 	return s

events/sink.go

@@ -28,7 +28,6 @@ func (s *eventSink) Write(evt goevents.Event) error {
 	if !ok {
 		return errors.New("event is not a sink event")
 	}
-	topic := getTopic(e.ctx)
 
 	ns, _ := namespaces.Namespace(e.ctx)
 	if ns != "" && ns != s.ns {
@@ -36,6 +35,12 @@ func (s *eventSink) Write(evt goevents.Event) error {
 		return nil
 	}
 
+	if ev, ok := e.event.(*events.Envelope); ok {
+		s.ch <- ev
+		return nil
+	}
+	topic := getTopic(e.ctx)
+
 	eventData, err := typeurl.MarshalAny(e.event)
 	if err != nil {
 		return err

services/events/service.go

@@ -8,6 +8,8 @@ import (
 	api "github.com/containerd/containerd/api/services/events/v1"
 	"github.com/containerd/containerd/events"
 	"github.com/containerd/containerd/plugin"
+	"github.com/golang/protobuf/ptypes/empty"
+	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 )
 
@@ -52,3 +54,11 @@ func (s *Service) Stream(req *api.StreamEventsRequest, srv api.Events_StreamServ
 		}
 	}
 }
+
+func (s *Service) Post(ctx context.Context, r *api.PostEventRequest) (*empty.Empty, error) {
+	ctx = events.WithTopic(ctx, r.Envelope.Topic)
+	if err := s.emitter.Post(ctx, r.Envelope); err != nil {
+		return nil, err
+	}
+	return &empty.Empty{}, nil
+}