events: add protos

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: update events package to include emitter and use envelope proto

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: add events service

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: enable events service and update ctr events to use events service

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

event listeners

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: helper func for emitting in services

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: improved cli for containers and tasks

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

create event envelope with poster

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: introspect event data to use for type url

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: use pb encoding; add event types

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: instrument content and snapshot services with events

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: instrument image service with events

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: instrument namespace service with events

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: add namespace support

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: only send events from namespace requested from client

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

events: switch to go-events for broadcasting

Signed-off-by: Evan Hazlett <ejhazlett@gmail.com>

api/services/events/events.pb.go

@@ -0,0 +1,406 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/services/events/events.proto
+// DO NOT EDIT!
+
+/*
+	Package events is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/api/services/events/events.proto
+
+	It has these top-level messages:
+		EventStreamRequest
+*/
+package events
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import containerd_v1_types "github.com/containerd/containerd/api/types/event"
+
+import (
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+)
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// 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.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+type EventStreamRequest struct {
+}
+
+func (m *EventStreamRequest) Reset()                    { *m = EventStreamRequest{} }
+func (*EventStreamRequest) ProtoMessage()               {}
+func (*EventStreamRequest) Descriptor() ([]byte, []int) { return fileDescriptorEvents, []int{0} }
+
+func init() {
+	proto.RegisterType((*EventStreamRequest)(nil), "containerd.v1.services.events.EventStreamRequest")
+}
+
+// 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
+
+// Client API for Events service
+
+type EventsClient interface {
+	EventStream(ctx context.Context, in *EventStreamRequest, opts ...grpc.CallOption) (Events_EventStreamClient, error)
+}
+
+type eventsClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewEventsClient(cc *grpc.ClientConn) EventsClient {
+	return &eventsClient{cc}
+}
+
+func (c *eventsClient) EventStream(ctx context.Context, in *EventStreamRequest, opts ...grpc.CallOption) (Events_EventStreamClient, error) {
+	stream, err := grpc.NewClientStream(ctx, &_Events_serviceDesc.Streams[0], c.cc, "/containerd.v1.services.events.Events/EventStream", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &eventsEventStreamClient{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 Events_EventStreamClient interface {
+	Recv() (*containerd_v1_types.Envelope, error)
+	grpc.ClientStream
+}
+
+type eventsEventStreamClient struct {
+	grpc.ClientStream
+}
+
+func (x *eventsEventStreamClient) Recv() (*containerd_v1_types.Envelope, error) {
+	m := new(containerd_v1_types.Envelope)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// Server API for Events service
+
+type EventsServer interface {
+	EventStream(*EventStreamRequest, Events_EventStreamServer) error
+}
+
+func RegisterEventsServer(s *grpc.Server, srv EventsServer) {
+	s.RegisterService(&_Events_serviceDesc, srv)
+}
+
+func _Events_EventStream_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(EventStreamRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(EventsServer).EventStream(m, &eventsEventStreamServer{stream})
+}
+
+type Events_EventStreamServer interface {
+	Send(*containerd_v1_types.Envelope) error
+	grpc.ServerStream
+}
+
+type eventsEventStreamServer struct {
+	grpc.ServerStream
+}
+
+func (x *eventsEventStreamServer) Send(m *containerd_v1_types.Envelope) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+var _Events_serviceDesc = grpc.ServiceDesc{
+	ServiceName: "containerd.v1.services.events.Events",
+	HandlerType: (*EventsServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "EventStream",
+			Handler:       _Events_EventStream_Handler,
+			ServerStreams: true,
+		},
+	},
+	Metadata: "github.com/containerd/containerd/api/services/events/events.proto",
+}
+
+func (m *EventStreamRequest) 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 *EventStreamRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	return i, nil
+}
+
+func encodeFixed64Events(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Events(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintEvents(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *EventStreamRequest) Size() (n int) {
+	var l int
+	_ = l
+	return n
+}
+
+func sovEvents(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozEvents(x uint64) (n int) {
+	return sovEvents(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *EventStreamRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&EventStreamRequest{`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringEvents(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *EventStreamRequest) 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: EventStreamRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: EventStreamRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		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 skipEvents(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowEvents
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowEvents
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowEvents
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthEvents
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowEvents
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipEvents(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthEvents = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowEvents   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/services/events/events.proto", fileDescriptorEvents)
+}
+
+var fileDescriptorEvents = []byte{
+	// 192 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x72, 0x4c, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x17, 0xa7, 0x16, 0x95, 0x65, 0x26, 0xa7, 0x16, 0xeb,
+	0xa7, 0x96, 0xa5, 0xe6, 0x95, 0xc0, 0x28, 0xbd, 0x82, 0xa2, 0xfc, 0x92, 0x7c, 0x21, 0x59, 0x84,
+	0x62, 0xbd, 0x32, 0x43, 0x3d, 0x98, 0x5a, 0x3d, 0x88, 0x22, 0x29, 0x1b, 0xa2, 0x6c, 0x28, 0xa9,
+	0x2c, 0x80, 0x19, 0x0f, 0x21, 0x21, 0x86, 0x2b, 0x89, 0x70, 0x09, 0xb9, 0x82, 0xb8, 0xc1, 0x25,
+	0x45, 0xa9, 0x89, 0xb9, 0x41, 0xa9, 0x85, 0xa5, 0xa9, 0xc5, 0x25, 0x46, 0xd9, 0x5c, 0x6c, 0x60,
+	0xd1, 0x62, 0xa1, 0x44, 0x2e, 0x6e, 0x24, 0x79, 0x21, 0x43, 0x3d, 0xbc, 0x8e, 0xd1, 0xc3, 0x34,
+	0x4b, 0x4a, 0x16, 0x4d, 0x0b, 0xd8, 0x25, 0x7a, 0xae, 0x79, 0x65, 0xa9, 0x39, 0xf9, 0x05, 0xa9,
+	0x06, 0x8c, 0x4e, 0x12, 0x27, 0x1e, 0xca, 0x31, 0xdc, 0x78, 0x28, 0xc7, 0xd0, 0xf0, 0x48, 0x8e,
+	0xf1, 0xc4, 0x23, 0x39, 0xc6, 0x0b, 0x8f, 0xe4, 0x18, 0x1f, 0x3c, 0x92, 0x63, 0x4c, 0x62, 0x03,
+	0xbb, 0xd1, 0x18, 0x10, 0x00, 0x00, 0xff, 0xff, 0xd7, 0x73, 0xbd, 0xf1, 0x45, 0x01, 0x00, 0x00,
+}

api/services/events/events.proto

@@ -0,0 +1,11 @@
+syntax = "proto3";
+
+package containerd.v1.services.events;
+
+import "github.com/containerd/containerd/api/types/event/event.proto";
+
+service Events {
+	rpc EventStream(EventStreamRequest) returns (stream containerd.v1.types.Envelope);
+}
+
+message EventStreamRequest {}

api/types/event/container.pb.go

@@ -0,0 +1,960 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/container.proto
+// DO NOT EDIT!
+
+/*
+	Package event is a generated protocol buffer package.
+
+	It is generated from these files:
+		github.com/containerd/containerd/api/types/event/container.proto
+		github.com/containerd/containerd/api/types/event/content.proto
+		github.com/containerd/containerd/api/types/event/event.proto
+		github.com/containerd/containerd/api/types/event/image.proto
+		github.com/containerd/containerd/api/types/event/namespace.proto
+		github.com/containerd/containerd/api/types/event/runtime.proto
+		github.com/containerd/containerd/api/types/event/snapshot.proto
+		github.com/containerd/containerd/api/types/event/task.proto
+
+	It has these top-level messages:
+		ContainerCreate
+		ContainerUpdate
+		ContainerDelete
+		ContentDelete
+		Envelope
+		ImagePut
+		ImageDelete
+		NamespaceCreate
+		NamespaceUpdate
+		NamespaceDelete
+		RuntimeIO
+		RuntimeMount
+		RuntimeCreate
+		RuntimeEvent
+		RuntimeDelete
+		SnapshotPrepare
+		SnapshotCommit
+		SnapshotRemove
+		TaskCreate
+		TaskStart
+		TaskDelete
+*/
+package event
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import _ "github.com/gogo/protobuf/gogoproto"
+
+import strings "strings"
+import reflect "reflect"
+import github_com_gogo_protobuf_sortkeys "github.com/gogo/protobuf/sortkeys"
+
+import io "io"
+
+// 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.GoGoProtoPackageIsVersion2 // please upgrade the proto package
+
+type ContainerCreate struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	Image       string `protobuf:"bytes,2,opt,name=image,proto3" json:"image,omitempty"`
+	Runtime     string `protobuf:"bytes,3,opt,name=runtime,proto3" json:"runtime,omitempty"`
+}
+
+func (m *ContainerCreate) Reset()                    { *m = ContainerCreate{} }
+func (*ContainerCreate) ProtoMessage()               {}
+func (*ContainerCreate) Descriptor() ([]byte, []int) { return fileDescriptorContainer, []int{0} }
+
+type ContainerUpdate struct {
+	ContainerID string            `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	Image       string            `protobuf:"bytes,2,opt,name=image,proto3" json:"image,omitempty"`
+	Labels      map[string]string `protobuf:"bytes,3,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+	RootFS      string            `protobuf:"bytes,4,opt,name=rootfs,proto3" json:"rootfs,omitempty"`
+}
+
+func (m *ContainerUpdate) Reset()                    { *m = ContainerUpdate{} }
+func (*ContainerUpdate) ProtoMessage()               {}
+func (*ContainerUpdate) Descriptor() ([]byte, []int) { return fileDescriptorContainer, []int{1} }
+
+type ContainerDelete struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *ContainerDelete) Reset()                    { *m = ContainerDelete{} }
+func (*ContainerDelete) ProtoMessage()               {}
+func (*ContainerDelete) Descriptor() ([]byte, []int) { return fileDescriptorContainer, []int{2} }
+
+func init() {
+	proto.RegisterType((*ContainerCreate)(nil), "containerd.v1.types.ContainerCreate")
+	proto.RegisterType((*ContainerUpdate)(nil), "containerd.v1.types.ContainerUpdate")
+	proto.RegisterType((*ContainerDelete)(nil), "containerd.v1.types.ContainerDelete")
+}
+func (m *ContainerCreate) 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 *ContainerCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.Image) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.Image)))
+		i += copy(dAtA[i:], m.Image)
+	}
+	if len(m.Runtime) > 0 {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.Runtime)))
+		i += copy(dAtA[i:], m.Runtime)
+	}
+	return i, nil
+}
+
+func (m *ContainerUpdate) 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 *ContainerUpdate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	if len(m.Image) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.Image)))
+		i += copy(dAtA[i:], m.Image)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x1a
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovContainer(uint64(len(k))) + 1 + len(v) + sovContainer(uint64(len(v)))
+			i = encodeVarintContainer(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintContainer(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintContainer(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	if len(m.RootFS) > 0 {
+		dAtA[i] = 0x22
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.RootFS)))
+		i += copy(dAtA[i:], m.RootFS)
+	}
+	return i, nil
+}
+
+func (m *ContainerDelete) 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 *ContainerDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContainer(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func encodeFixed64Container(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Container(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintContainer(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *ContainerCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	l = len(m.Image)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	l = len(m.Runtime)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func (m *ContainerUpdate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	l = len(m.Image)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovContainer(uint64(len(k))) + 1 + len(v) + sovContainer(uint64(len(v)))
+			n += mapEntrySize + 1 + sovContainer(uint64(mapEntrySize))
+		}
+	}
+	l = len(m.RootFS)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func (m *ContainerDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovContainer(uint64(l))
+	}
+	return n
+}
+
+func sovContainer(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozContainer(x uint64) (n int) {
+	return sovContainer(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *ContainerCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContainerCreate{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`Image:` + fmt.Sprintf("%v", this.Image) + `,`,
+		`Runtime:` + fmt.Sprintf("%v", this.Runtime) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ContainerUpdate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&ContainerUpdate{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`Image:` + fmt.Sprintf("%v", this.Image) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`RootFS:` + fmt.Sprintf("%v", this.RootFS) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ContainerDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContainerDelete{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringContainer(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *ContainerCreate) 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 ErrIntOverflowContainer
+			}
+			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: ContainerCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContainerCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Image", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Image = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Runtime", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Runtime = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ContainerUpdate) 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 ErrIntOverflowContainer
+			}
+			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: ContainerUpdate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContainerUpdate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Image", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Image = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			var keykey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				keykey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			var stringLenmapkey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLenmapkey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLenmapkey := int(stringLenmapkey)
+			if intStringLenmapkey < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postStringIndexmapkey := iNdEx + intStringLenmapkey
+			if postStringIndexmapkey > l {
+				return io.ErrUnexpectedEOF
+			}
+			mapkey := string(dAtA[iNdEx:postStringIndexmapkey])
+			iNdEx = postStringIndexmapkey
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			if iNdEx < postIndex {
+				var valuekey uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowContainer
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					valuekey |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				var stringLenmapvalue uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowContainer
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLenmapvalue := int(stringLenmapvalue)
+				if intStringLenmapvalue < 0 {
+					return ErrInvalidLengthContainer
+				}
+				postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+				if postStringIndexmapvalue > l {
+					return io.ErrUnexpectedEOF
+				}
+				mapvalue := string(dAtA[iNdEx:postStringIndexmapvalue])
+				iNdEx = postStringIndexmapvalue
+				m.Labels[mapkey] = mapvalue
+			} else {
+				var mapvalue string
+				m.Labels[mapkey] = mapvalue
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field RootFS", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.RootFS = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ContainerDelete) 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 ErrIntOverflowContainer
+			}
+			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: ContainerDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContainerDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContainer
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContainer(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContainer
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipContainer(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowContainer
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContainer
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthContainer
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowContainer
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipContainer(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthContainer = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowContainer   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/container.proto", fileDescriptorContainer)
+}
+
+var fileDescriptorContainer = []byte{
+	// 322 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x91, 0xbf, 0x4e, 0xf3, 0x30,
+	0x14, 0xc5, 0xeb, 0xe6, 0xfb, 0x82, 0x70, 0x90, 0x8a, 0x42, 0x07, 0xab, 0x43, 0x5a, 0x65, 0xea,
+	0xe4, 0x40, 0x59, 0x80, 0x09, 0xf5, 0x0f, 0xa2, 0x12, 0x53, 0x10, 0x33, 0x4a, 0x9b, 0x4b, 0xb0,
+	0x48, 0xe3, 0xc8, 0x75, 0x2a, 0x75, 0x63, 0xe0, 0xe1, 0x3a, 0x32, 0x32, 0x55, 0xd4, 0x4f, 0x82,
+	0xe2, 0xb4, 0x69, 0x84, 0x98, 0x10, 0xdb, 0xbd, 0xbe, 0xbf, 0xa3, 0x73, 0x74, 0x8c, 0xaf, 0x23,
+	0x26, 0x9f, 0xb3, 0x09, 0x9d, 0xf2, 0x99, 0x37, 0xe5, 0x89, 0x0c, 0x58, 0x02, 0x22, 0xac, 0x8e,
+	0x41, 0xca, 0x3c, 0xb9, 0x4c, 0x61, 0xee, 0xc1, 0x02, 0x12, 0xb9, 0x3f, 0xd1, 0x54, 0x70, 0xc9,
+	0xed, 0x93, 0x3d, 0x4b, 0x17, 0x67, 0x54, 0xa3, 0xad, 0x66, 0xc4, 0x23, 0xae, 0xef, 0x5e, 0x3e,
+	0x15, 0xa8, 0x9b, 0xe1, 0xc6, 0x60, 0x07, 0x0f, 0x04, 0x04, 0x12, 0xec, 0x1e, 0x3e, 0x2a, 0xf5,
+	0x8f, 0x2c, 0x24, 0xa8, 0x83, 0xba, 0x87, 0xfd, 0x86, 0x5a, 0xb7, 0xad, 0x12, 0x1d, 0x0f, 0x7d,
+	0xab, 0x84, 0xc6, 0xa1, 0xdd, 0xc4, 0xff, 0xd9, 0x2c, 0x88, 0x80, 0xd4, 0x73, 0xd8, 0x2f, 0x16,
+	0x9b, 0xe0, 0x03, 0x91, 0x25, 0x92, 0xcd, 0x80, 0x18, 0xfa, 0x7d, 0xb7, 0xba, 0x6f, 0xf5, 0x8a,
+	0xef, 0x43, 0x1a, 0xfe, 0xad, 0xef, 0x2d, 0x36, 0xe3, 0x60, 0x02, 0xf1, 0x9c, 0x18, 0x1d, 0xa3,
+	0x6b, 0xf5, 0x4e, 0xe9, 0x0f, 0x85, 0xd0, 0x6f, 0xfe, 0xf4, 0x4e, 0x4b, 0x46, 0x89, 0x14, 0x4b,
+	0x7f, 0xab, 0xb7, 0x5d, 0x6c, 0x0a, 0xce, 0xe5, 0xd3, 0x9c, 0xfc, 0xd3, 0x69, 0xb0, 0x5a, 0xb7,
+	0x4d, 0x9f, 0x73, 0x79, 0x73, 0xef, 0x6f, 0x2f, 0xad, 0x4b, 0x6c, 0x55, 0xa4, 0xf6, 0x31, 0x36,
+	0x5e, 0x60, 0x59, 0xa4, 0xf7, 0xf3, 0x31, 0x0f, 0xb9, 0x08, 0xe2, 0xac, 0x0c, 0xa9, 0x97, 0xab,
+	0xfa, 0x05, 0x72, 0x47, 0x95, 0x16, 0x86, 0x10, 0xc3, 0xef, 0x5a, 0xe8, 0x93, 0xd5, 0xc6, 0xa9,
+	0x7d, 0x6c, 0x9c, 0xda, 0xab, 0x72, 0xd0, 0x4a, 0x39, 0xe8, 0x5d, 0x39, 0xe8, 0x53, 0x39, 0x68,
+	0x62, 0xea, 0x5f, 0x3e, 0xff, 0x0a, 0x00, 0x00, 0xff, 0xff, 0x3f, 0xf2, 0x95, 0xd3, 0x54, 0x02,
+	0x00, 0x00,
+}

api/types/event/container.proto

@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+import "gogoproto/gogo.proto";
+
+message ContainerCreate {
+	string container_id = 1;
+	string image = 2;
+	string runtime = 3;
+}
+
+message ContainerUpdate {
+	string container_id = 1;
+	string image = 2;
+	map<string, string> labels  = 3;
+	string rootfs = 4 [(gogoproto.customname) = "RootFS"];
+}
+
+message ContainerDelete {
+	string container_id = 1;
+}

api/types/event/content.pb.go

@@ -0,0 +1,329 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/content.proto
+// DO NOT EDIT!
+
+package event
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import _ "github.com/gogo/protobuf/gogoproto"
+
+import github_com_opencontainers_go_digest "github.com/opencontainers/go-digest"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type ContentDelete struct {
+	Digest github_com_opencontainers_go_digest.Digest `protobuf:"bytes,1,opt,name=digest,proto3,customtype=github.com/opencontainers/go-digest.Digest" json:"digest"`
+}
+
+func (m *ContentDelete) Reset()                    { *m = ContentDelete{} }
+func (*ContentDelete) ProtoMessage()               {}
+func (*ContentDelete) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{0} }
+
+func init() {
+	proto.RegisterType((*ContentDelete)(nil), "containerd.v1.types.ContentDelete")
+}
+func (m *ContentDelete) 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 *ContentDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Digest) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintContent(dAtA, i, uint64(len(m.Digest)))
+		i += copy(dAtA[i:], m.Digest)
+	}
+	return i, nil
+}
+
+func encodeFixed64Content(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Content(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintContent(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *ContentDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Digest)
+	if l > 0 {
+		n += 1 + l + sovContent(uint64(l))
+	}
+	return n
+}
+
+func sovContent(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozContent(x uint64) (n int) {
+	return sovContent(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *ContentDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ContentDelete{`,
+		`Digest:` + fmt.Sprintf("%v", this.Digest) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringContent(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *ContentDelete) 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 ErrIntOverflowContent
+			}
+			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: ContentDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ContentDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Digest", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthContent
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Digest = github_com_opencontainers_go_digest.Digest(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipContent(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthContent
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipContent(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowContent
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthContent
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowContent
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipContent(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthContent = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowContent   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/content.proto", fileDescriptorContent)
+}
+
+var fileDescriptorContent = []byte{
+	// 192 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4b, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0x96, 0xa5,
+	0xe6, 0x95, 0x80, 0xa5, 0x52, 0xf3, 0x4a, 0xf4, 0x0a, 0x8a, 0xf2, 0x4b, 0xf2, 0x85, 0x84, 0x11,
+	0x2a, 0xf5, 0xca, 0x0c, 0xf5, 0xc0, 0x0a, 0xa5, 0x44, 0xd2, 0xf3, 0xd3, 0xf3, 0xc1, 0xf2, 0xfa,
+	0x20, 0x16, 0x44, 0xa9, 0x52, 0x34, 0x17, 0xaf, 0x33, 0x44, 0xaf, 0x4b, 0x6a, 0x4e, 0x6a, 0x49,
+	0xaa, 0x90, 0x17, 0x17, 0x5b, 0x4a, 0x66, 0x7a, 0x6a, 0x71, 0x89, 0x04, 0xa3, 0x02, 0xa3, 0x06,
+	0xa7, 0x93, 0xd1, 0x89, 0x7b, 0xf2, 0x0c, 0xb7, 0xee, 0xc9, 0x6b, 0x21, 0xb9, 0x29, 0xbf, 0x20,
+	0x35, 0x0f, 0x6e, 0x45, 0xb1, 0x7e, 0x7a, 0xbe, 0x2e, 0x44, 0x8b, 0x9e, 0x0b, 0x98, 0x0a, 0x82,
+	0x9a, 0xe0, 0x24, 0x71, 0xe2, 0xa1, 0x1c, 0xc3, 0x8d, 0x87, 0x72, 0x0c, 0x0d, 0x8f, 0xe4, 0x18,
+	0x4f, 0x3c, 0x92, 0x63, 0xbc, 0xf0, 0x48, 0x8e, 0xf1, 0xc1, 0x23, 0x39, 0xc6, 0x24, 0x36, 0xb0,
+	0xed, 0xc6, 0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0x3f, 0x6c, 0x08, 0x88, 0xea, 0x00, 0x00, 0x00,
+}

api/types/event/content.proto

@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+import "gogoproto/gogo.proto";
+
+message ContentDelete {
+	string digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+}

api/types/event/event.pb.go

@@ -0,0 +1,429 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/event.proto
+// DO NOT EDIT!
+
+package event
+
+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_protobuf2 "github.com/gogo/protobuf/types"
+
+import time "time"
+
+import github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+var _ = time.Kitchen
+
+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"`
+	Event     *google_protobuf2.Any `protobuf:"bytes,3,opt,name=event" json:"event,omitempty"`
+}
+
+func (m *Envelope) Reset()                    { *m = Envelope{} }
+func (*Envelope) ProtoMessage()               {}
+func (*Envelope) Descriptor() ([]byte, []int) { return fileDescriptorEvent, []int{0} }
+
+func init() {
+	proto.RegisterType((*Envelope)(nil), "containerd.v1.types.Envelope")
+}
+func (m *Envelope) 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 *Envelope) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	dAtA[i] = 0xa
+	i++
+	i = encodeVarintEvent(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp)))
+	n1, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.Timestamp, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n1
+	if len(m.Topic) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintEvent(dAtA, i, uint64(len(m.Topic)))
+		i += copy(dAtA[i:], m.Topic)
+	}
+	if m.Event != nil {
+		dAtA[i] = 0x1a
+		i++
+		i = encodeVarintEvent(dAtA, i, uint64(m.Event.Size()))
+		n2, err := m.Event.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n2
+	}
+	return i, nil
+}
+
+func encodeFixed64Event(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Event(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintEvent(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *Envelope) Size() (n int) {
+	var l int
+	_ = l
+	l = github_com_gogo_protobuf_types.SizeOfStdTime(m.Timestamp)
+	n += 1 + l + sovEvent(uint64(l))
+	l = len(m.Topic)
+	if l > 0 {
+		n += 1 + l + sovEvent(uint64(l))
+	}
+	if m.Event != nil {
+		l = m.Event.Size()
+		n += 1 + l + sovEvent(uint64(l))
+	}
+	return n
+}
+
+func sovEvent(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozEvent(x uint64) (n int) {
+	return sovEvent(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+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_protobuf1.Timestamp", 1), `&`, ``, 1) + `,`,
+		`Topic:` + fmt.Sprintf("%v", this.Topic) + `,`,
+		`Event:` + strings.Replace(fmt.Sprintf("%v", this.Event), "Any", "google_protobuf2.Any", 1) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringEvent(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *Envelope) 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 ErrIntOverflowEvent
+			}
+			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: Envelope: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Envelope: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Timestamp", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowEvent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthEvent
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(&m.Timestamp, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Topic", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowEvent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthEvent
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Topic = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Event", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowEvent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthEvent
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.Event == nil {
+				m.Event = &google_protobuf2.Any{}
+			}
+			if err := m.Event.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipEvent(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthEvent
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipEvent(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowEvent
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowEvent
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowEvent
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthEvent
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowEvent
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipEvent(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthEvent = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowEvent   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/event.proto", fileDescriptorEvent)
+}
+
+var fileDescriptorEvent = []byte{
+	// 248 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x49, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0x96, 0xa5,
+	0xe6, 0x95, 0x40, 0x48, 0xbd, 0x82, 0xa2, 0xfc, 0x92, 0x7c, 0x21, 0x61, 0x84, 0x3a, 0xbd, 0x32,
+	0x43, 0x3d, 0xb0, 0x32, 0x29, 0x91, 0xf4, 0xfc, 0xf4, 0x7c, 0xb0, 0xbc, 0x3e, 0x88, 0x05, 0x51,
+	0x2a, 0x25, 0x9f, 0x9e, 0x9f, 0x9f, 0x9e, 0x93, 0xaa, 0x0f, 0xe6, 0x25, 0x95, 0xa6, 0xe9, 0x97,
+	0x64, 0xe6, 0xa6, 0x16, 0x97, 0x24, 0xe6, 0x16, 0x40, 0x15, 0x48, 0xa2, 0x2b, 0x48, 0xcc, 0xab,
+	0x84, 0x48, 0x29, 0x4d, 0x60, 0xe4, 0xe2, 0x70, 0xcd, 0x2b, 0x4b, 0xcd, 0xc9, 0x2f, 0x48, 0x15,
+	0x72, 0xe2, 0xe2, 0x84, 0x6b, 0x95, 0x60, 0x54, 0x60, 0xd4, 0xe0, 0x36, 0x92, 0xd2, 0x83, 0xe8,
+	0xd5, 0x83, 0xe9, 0xd5, 0x0b, 0x81, 0xa9, 0x70, 0xe2, 0x38, 0x71, 0x4f, 0x9e, 0x61, 0xc2, 0x7d,
+	0x79, 0xc6, 0x20, 0x84, 0x36, 0x21, 0x11, 0x2e, 0xd6, 0x92, 0xfc, 0x82, 0xcc, 0x64, 0x09, 0x26,
+	0x05, 0x46, 0x0d, 0xce, 0x20, 0x08, 0x47, 0x48, 0x8b, 0x8b, 0x15, 0xec, 0x39, 0x09, 0x66, 0xb0,
+	0xa9, 0x22, 0x18, 0xa6, 0x3a, 0xe6, 0x55, 0x06, 0x41, 0x94, 0x38, 0x49, 0x9c, 0x78, 0x28, 0xc7,
+	0x70, 0xe3, 0xa1, 0x1c, 0x43, 0xc3, 0x23, 0x39, 0xc6, 0x13, 0x8f, 0xe4, 0x18, 0x2f, 0x3c, 0x92,
+	0x63, 0x7c, 0xf0, 0x48, 0x8e, 0x31, 0x89, 0x0d, 0xac, 0xdc, 0x18, 0x10, 0x00, 0x00, 0xff, 0xff,
+	0xb7, 0xff, 0x84, 0x18, 0x5a, 0x01, 0x00, 0x00,
+}

api/types/event/event.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+import "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/any.proto";
+
+message Envelope {
+	google.protobuf.Timestamp timestamp = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+	string topic = 2;
+	google.protobuf.Any event = 3;
+}

api/types/event/image.pb.go

@@ -0,0 +1,498 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/image.proto
+// DO NOT EDIT!
+
+package event
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type ImagePut struct {
+	Name   string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels string `protobuf:"bytes,2,opt,name=labels,proto3" json:"labels,omitempty"`
+}
+
+func (m *ImagePut) Reset()                    { *m = ImagePut{} }
+func (*ImagePut) ProtoMessage()               {}
+func (*ImagePut) Descriptor() ([]byte, []int) { return fileDescriptorImage, []int{0} }
+
+type ImageDelete struct {
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *ImageDelete) Reset()                    { *m = ImageDelete{} }
+func (*ImageDelete) ProtoMessage()               {}
+func (*ImageDelete) Descriptor() ([]byte, []int) { return fileDescriptorImage, []int{1} }
+
+func init() {
+	proto.RegisterType((*ImagePut)(nil), "containerd.v1.types.ImagePut")
+	proto.RegisterType((*ImageDelete)(nil), "containerd.v1.types.ImageDelete")
+}
+func (m *ImagePut) 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 *ImagePut) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintImage(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintImage(dAtA, i, uint64(len(m.Labels)))
+		i += copy(dAtA[i:], m.Labels)
+	}
+	return i, nil
+}
+
+func (m *ImageDelete) 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 *ImageDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintImage(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	return i, nil
+}
+
+func encodeFixed64Image(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Image(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintImage(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *ImagePut) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovImage(uint64(l))
+	}
+	l = len(m.Labels)
+	if l > 0 {
+		n += 1 + l + sovImage(uint64(l))
+	}
+	return n
+}
+
+func (m *ImageDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovImage(uint64(l))
+	}
+	return n
+}
+
+func sovImage(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozImage(x uint64) (n int) {
+	return sovImage(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *ImagePut) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ImagePut{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + fmt.Sprintf("%v", this.Labels) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *ImageDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ImageDelete{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringImage(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *ImagePut) 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 ErrIntOverflowImage
+			}
+			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: ImagePut: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ImagePut: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Labels = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipImage(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthImage
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *ImageDelete) 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 ErrIntOverflowImage
+			}
+			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: ImageDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ImageDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthImage
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipImage(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthImage
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipImage(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowImage
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowImage
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthImage
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowImage
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipImage(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthImage = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowImage   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/image.proto", fileDescriptorImage)
+}
+
+var fileDescriptorImage = []byte{
+	// 175 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x49, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0x96, 0xa5,
+	0xe6, 0x95, 0xe8, 0x67, 0xe6, 0x26, 0xa6, 0xa7, 0xea, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09,
+	0x23, 0xd4, 0xe9, 0x95, 0x19, 0xea, 0x81, 0x95, 0x29, 0x99, 0x71, 0x71, 0x78, 0x82, 0xd4, 0x04,
+	0x94, 0x96, 0x08, 0x09, 0x71, 0xb1, 0xe4, 0x25, 0xe6, 0xa6, 0x4a, 0x30, 0x2a, 0x30, 0x6a, 0x70,
+	0x06, 0x81, 0xd9, 0x42, 0x62, 0x5c, 0x6c, 0x39, 0x89, 0x49, 0xa9, 0x39, 0xc5, 0x12, 0x4c, 0x60,
+	0x51, 0x28, 0x4f, 0x49, 0x91, 0x8b, 0x1b, 0xac, 0xcf, 0x25, 0x35, 0x27, 0xb5, 0x24, 0x15, 0x9b,
+	0x56, 0x27, 0x89, 0x13, 0x0f, 0xe5, 0x18, 0x6e, 0x3c, 0x94, 0x63, 0x68, 0x78, 0x24, 0xc7, 0x78,
+	0xe2, 0x91, 0x1c, 0xe3, 0x85, 0x47, 0x72, 0x8c, 0x0f, 0x1e, 0xc9, 0x31, 0x26, 0xb1, 0x81, 0x1d,
+	0x64, 0x0c, 0x08, 0x00, 0x00, 0xff, 0xff, 0xfa, 0x87, 0x34, 0x3a, 0xd0, 0x00, 0x00, 0x00,
+}

api/types/event/image.proto

@@ -0,0 +1,12 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+message ImagePut {
+	string name = 1;
+	string labels = 2;
+}
+
+message ImageDelete {
+	string name = 1;
+}

api/types/event/namespace.pb.go

@@ -0,0 +1,901 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/namespace.proto
+// DO NOT EDIT!
+
+package event
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import strings "strings"
+import reflect "reflect"
+import github_com_gogo_protobuf_sortkeys "github.com/gogo/protobuf/sortkeys"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type NamespaceCreate struct {
+	Name   string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels map[string]string `protobuf:"bytes,2,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *NamespaceCreate) Reset()                    { *m = NamespaceCreate{} }
+func (*NamespaceCreate) ProtoMessage()               {}
+func (*NamespaceCreate) Descriptor() ([]byte, []int) { return fileDescriptorNamespace, []int{0} }
+
+type NamespaceUpdate struct {
+	Name   string            `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Labels map[string]string `protobuf:"bytes,2,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
+}
+
+func (m *NamespaceUpdate) Reset()                    { *m = NamespaceUpdate{} }
+func (*NamespaceUpdate) ProtoMessage()               {}
+func (*NamespaceUpdate) Descriptor() ([]byte, []int) { return fileDescriptorNamespace, []int{1} }
+
+type NamespaceDelete struct {
+	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *NamespaceDelete) Reset()                    { *m = NamespaceDelete{} }
+func (*NamespaceDelete) ProtoMessage()               {}
+func (*NamespaceDelete) Descriptor() ([]byte, []int) { return fileDescriptorNamespace, []int{2} }
+
+func init() {
+	proto.RegisterType((*NamespaceCreate)(nil), "containerd.v1.types.NamespaceCreate")
+	proto.RegisterType((*NamespaceUpdate)(nil), "containerd.v1.types.NamespaceUpdate")
+	proto.RegisterType((*NamespaceDelete)(nil), "containerd.v1.types.NamespaceDelete")
+}
+func (m *NamespaceCreate) 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 *NamespaceCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintNamespace(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x12
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			i = encodeVarintNamespace(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	return i, nil
+}
+
+func (m *NamespaceUpdate) 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 *NamespaceUpdate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintNamespace(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x12
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			i = encodeVarintNamespace(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintNamespace(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
+	return i, nil
+}
+
+func (m *NamespaceDelete) 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 *NamespaceDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Name) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintNamespace(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	return i, nil
+}
+
+func encodeFixed64Namespace(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Namespace(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintNamespace(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *NamespaceCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovNamespace(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			n += mapEntrySize + 1 + sovNamespace(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
+func (m *NamespaceUpdate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovNamespace(uint64(l))
+	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovNamespace(uint64(len(k))) + 1 + len(v) + sovNamespace(uint64(len(v)))
+			n += mapEntrySize + 1 + sovNamespace(uint64(mapEntrySize))
+		}
+	}
+	return n
+}
+
+func (m *NamespaceDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovNamespace(uint64(l))
+	}
+	return n
+}
+
+func sovNamespace(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozNamespace(x uint64) (n int) {
+	return sovNamespace(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *NamespaceCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&NamespaceCreate{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *NamespaceUpdate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
+	s := strings.Join([]string{`&NamespaceUpdate{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *NamespaceDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&NamespaceDelete{`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringNamespace(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *NamespaceCreate) 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 ErrIntOverflowNamespace
+			}
+			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: NamespaceCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NamespaceCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			var keykey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				keykey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			var stringLenmapkey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLenmapkey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLenmapkey := int(stringLenmapkey)
+			if intStringLenmapkey < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postStringIndexmapkey := iNdEx + intStringLenmapkey
+			if postStringIndexmapkey > l {
+				return io.ErrUnexpectedEOF
+			}
+			mapkey := string(dAtA[iNdEx:postStringIndexmapkey])
+			iNdEx = postStringIndexmapkey
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			if iNdEx < postIndex {
+				var valuekey uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					valuekey |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				var stringLenmapvalue uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLenmapvalue := int(stringLenmapvalue)
+				if intStringLenmapvalue < 0 {
+					return ErrInvalidLengthNamespace
+				}
+				postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+				if postStringIndexmapvalue > l {
+					return io.ErrUnexpectedEOF
+				}
+				mapvalue := string(dAtA[iNdEx:postStringIndexmapvalue])
+				iNdEx = postStringIndexmapvalue
+				m.Labels[mapkey] = mapvalue
+			} else {
+				var mapvalue string
+				m.Labels[mapkey] = mapvalue
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipNamespace(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *NamespaceUpdate) 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 ErrIntOverflowNamespace
+			}
+			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: NamespaceUpdate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NamespaceUpdate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			var keykey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				keykey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			var stringLenmapkey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLenmapkey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLenmapkey := int(stringLenmapkey)
+			if intStringLenmapkey < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postStringIndexmapkey := iNdEx + intStringLenmapkey
+			if postStringIndexmapkey > l {
+				return io.ErrUnexpectedEOF
+			}
+			mapkey := string(dAtA[iNdEx:postStringIndexmapkey])
+			iNdEx = postStringIndexmapkey
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			if iNdEx < postIndex {
+				var valuekey uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					valuekey |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				var stringLenmapvalue uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLenmapvalue := int(stringLenmapvalue)
+				if intStringLenmapvalue < 0 {
+					return ErrInvalidLengthNamespace
+				}
+				postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+				if postStringIndexmapvalue > l {
+					return io.ErrUnexpectedEOF
+				}
+				mapvalue := string(dAtA[iNdEx:postStringIndexmapvalue])
+				iNdEx = postStringIndexmapvalue
+				m.Labels[mapkey] = mapvalue
+			} else {
+				var mapvalue string
+				m.Labels[mapkey] = mapvalue
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipNamespace(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *NamespaceDelete) 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 ErrIntOverflowNamespace
+			}
+			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: NamespaceDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: NamespaceDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipNamespace(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthNamespace
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipNamespace(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowNamespace
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowNamespace
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthNamespace
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowNamespace
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipNamespace(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthNamespace = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowNamespace   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/namespace.proto", fileDescriptorNamespace)
+}
+
+var fileDescriptorNamespace = []byte{
+	// 247 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x72, 0x48, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0x96, 0xa5,
+	0xe6, 0x95, 0xe8, 0xe7, 0x25, 0xe6, 0xa6, 0x16, 0x17, 0x24, 0x26, 0xa7, 0xea, 0x15, 0x14, 0xe5,
+	0x97, 0xe4, 0x0b, 0x09, 0x23, 0xd4, 0xea, 0x95, 0x19, 0xea, 0x81, 0x95, 0x2a, 0xad, 0x62, 0xe4,
+	0xe2, 0xf7, 0x83, 0x29, 0x74, 0x2e, 0x4a, 0x4d, 0x2c, 0x49, 0x15, 0x12, 0xe2, 0x62, 0x01, 0xe9,
+	0x95, 0x60, 0x54, 0x60, 0xd4, 0xe0, 0x0c, 0x02, 0xb3, 0x85, 0x3c, 0xb8, 0xd8, 0x72, 0x12, 0x93,
+	0x52, 0x73, 0x8a, 0x25, 0x98, 0x14, 0x98, 0x35, 0xb8, 0x8d, 0x0c, 0xf4, 0xb0, 0x98, 0xa6, 0x87,
+	0x66, 0x92, 0x9e, 0x0f, 0x58, 0x8b, 0x6b, 0x5e, 0x49, 0x51, 0x65, 0x10, 0x54, 0xbf, 0x94, 0x25,
+	0x17, 0x37, 0x92, 0xb0, 0x90, 0x00, 0x17, 0x73, 0x76, 0x6a, 0x25, 0xd4, 0x2e, 0x10, 0x53, 0x48,
+	0x84, 0x8b, 0xb5, 0x2c, 0x31, 0xa7, 0x34, 0x55, 0x82, 0x09, 0x2c, 0x06, 0xe1, 0x58, 0x31, 0x59,
+	0x30, 0xa2, 0x3a, 0x36, 0xb4, 0x20, 0x85, 0x4a, 0x8e, 0x85, 0x98, 0x44, 0x6d, 0xc7, 0xaa, 0x22,
+	0xb9, 0xd5, 0x25, 0x35, 0x27, 0x15, 0xbb, 0x5b, 0x9d, 0x24, 0x4e, 0x3c, 0x94, 0x63, 0xb8, 0xf1,
+	0x50, 0x8e, 0xa1, 0xe1, 0x91, 0x1c, 0xe3, 0x89, 0x47, 0x72, 0x8c, 0x17, 0x1e, 0xc9, 0x31, 0x3e,
+	0x78, 0x24, 0xc7, 0x98, 0xc4, 0x06, 0x8e, 0x36, 0x63, 0x40, 0x00, 0x00, 0x00, 0xff, 0xff, 0x1c,
+	0xab, 0x9e, 0xdf, 0xfa, 0x01, 0x00, 0x00,
+}

api/types/event/namespace.proto

@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+message NamespaceCreate {
+	string name = 1;
+	map<string, string> labels  = 2;
+}
+
+message NamespaceUpdate {
+	string name = 1;
+	map<string, string> labels  = 2;
+}
+
+message NamespaceDelete {
+	string name = 1;
+}

api/types/event/runtime.proto

@@ -0,0 +1,43 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+import "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "github.com/containerd/containerd/api/types/task/task.proto";
+
+message RuntimeIO {
+	string stdin = 1;
+	string stdout = 2;
+	string stderr = 3;
+	bool terminal = 4;
+}
+
+message RuntimeMount {
+	string type = 1;
+	string source = 2;
+	repeated string options = 3;
+}
+
+message RuntimeCreate {
+	string id = 1;
+	string bundle = 2;
+	repeated RuntimeMount rootfs = 3 [(gogoproto.customname) = "RootFS"];
+	RuntimeIO io = 4 [(gogoproto.customname) = "IO"];
+	string checkpoint = 5;
+}
+
+message RuntimeEvent {
+	string id = 1;
+	containerd.v1.types.Event.EventType type = 2;
+	uint32 pid = 3;
+	uint32 exit_status = 4;
+	google.protobuf.Timestamp exited_at = 5 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message RuntimeDelete {
+	string id = 1;
+	string runtime = 2;
+	uint32 exit_status = 3;
+	google.protobuf.Timestamp exited_at = 4 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}

api/types/event/snapshot.pb.go

@@ -0,0 +1,673 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/snapshot.proto
+// DO NOT EDIT!
+
+package event
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type SnapshotPrepare struct {
+	Key    string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Parent string `protobuf:"bytes,2,opt,name=parent,proto3" json:"parent,omitempty"`
+}
+
+func (m *SnapshotPrepare) Reset()                    { *m = SnapshotPrepare{} }
+func (*SnapshotPrepare) ProtoMessage()               {}
+func (*SnapshotPrepare) Descriptor() ([]byte, []int) { return fileDescriptorSnapshot, []int{0} }
+
+type SnapshotCommit struct {
+	Key  string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+}
+
+func (m *SnapshotCommit) Reset()                    { *m = SnapshotCommit{} }
+func (*SnapshotCommit) ProtoMessage()               {}
+func (*SnapshotCommit) Descriptor() ([]byte, []int) { return fileDescriptorSnapshot, []int{1} }
+
+type SnapshotRemove struct {
+	Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+}
+
+func (m *SnapshotRemove) Reset()                    { *m = SnapshotRemove{} }
+func (*SnapshotRemove) ProtoMessage()               {}
+func (*SnapshotRemove) Descriptor() ([]byte, []int) { return fileDescriptorSnapshot, []int{2} }
+
+func init() {
+	proto.RegisterType((*SnapshotPrepare)(nil), "containerd.v1.types.SnapshotPrepare")
+	proto.RegisterType((*SnapshotCommit)(nil), "containerd.v1.types.SnapshotCommit")
+	proto.RegisterType((*SnapshotRemove)(nil), "containerd.v1.types.SnapshotRemove")
+}
+func (m *SnapshotPrepare) 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 *SnapshotPrepare) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	if len(m.Parent) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Parent)))
+		i += copy(dAtA[i:], m.Parent)
+	}
+	return i, nil
+}
+
+func (m *SnapshotCommit) 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 *SnapshotCommit) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	if len(m.Name) > 0 {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Name)))
+		i += copy(dAtA[i:], m.Name)
+	}
+	return i, nil
+}
+
+func (m *SnapshotRemove) 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 *SnapshotRemove) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.Key) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintSnapshot(dAtA, i, uint64(len(m.Key)))
+		i += copy(dAtA[i:], m.Key)
+	}
+	return i, nil
+}
+
+func encodeFixed64Snapshot(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Snapshot(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintSnapshot(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *SnapshotPrepare) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	l = len(m.Parent)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	return n
+}
+
+func (m *SnapshotCommit) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	l = len(m.Name)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	return n
+}
+
+func (m *SnapshotRemove) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.Key)
+	if l > 0 {
+		n += 1 + l + sovSnapshot(uint64(l))
+	}
+	return n
+}
+
+func sovSnapshot(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozSnapshot(x uint64) (n int) {
+	return sovSnapshot(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *SnapshotPrepare) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&SnapshotPrepare{`,
+		`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
+		`Parent:` + fmt.Sprintf("%v", this.Parent) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *SnapshotCommit) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&SnapshotCommit{`,
+		`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
+		`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *SnapshotRemove) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&SnapshotRemove{`,
+		`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringSnapshot(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *SnapshotPrepare) 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 ErrIntOverflowSnapshot
+			}
+			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: SnapshotPrepare: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotPrepare: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Parent", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Parent = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSnapshot(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SnapshotCommit) 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 ErrIntOverflowSnapshot
+			}
+			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: SnapshotCommit: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotCommit: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Name = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSnapshot(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *SnapshotRemove) 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 ErrIntOverflowSnapshot
+			}
+			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: SnapshotRemove: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: SnapshotRemove: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Key = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipSnapshot(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthSnapshot
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipSnapshot(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowSnapshot
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowSnapshot
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthSnapshot
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowSnapshot
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipSnapshot(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthSnapshot = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowSnapshot   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/snapshot.proto", fileDescriptorSnapshot)
+}
+
+var fileDescriptorSnapshot = []byte{
+	// 201 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4f, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0x96, 0xa5,
+	0xe6, 0x95, 0xe8, 0x17, 0xe7, 0x25, 0x16, 0x14, 0x67, 0xe4, 0x97, 0xe8, 0x15, 0x14, 0xe5, 0x97,
+	0xe4, 0x0b, 0x09, 0x23, 0x94, 0xea, 0x95, 0x19, 0xea, 0x81, 0x55, 0x2a, 0x59, 0x73, 0xf1, 0x07,
+	0x43, 0x95, 0x05, 0x14, 0xa5, 0x16, 0x24, 0x16, 0xa5, 0x0a, 0x09, 0x70, 0x31, 0x67, 0xa7, 0x56,
+	0x4a, 0x30, 0x2a, 0x30, 0x6a, 0x70, 0x06, 0x81, 0x98, 0x42, 0x62, 0x5c, 0x6c, 0x20, 0x99, 0xbc,
+	0x12, 0x09, 0x26, 0xb0, 0x20, 0x94, 0xa7, 0x64, 0xc6, 0xc5, 0x07, 0xd3, 0xec, 0x9c, 0x9f, 0x9b,
+	0x9b, 0x59, 0x82, 0x45, 0xaf, 0x10, 0x17, 0x4b, 0x5e, 0x62, 0x6e, 0x2a, 0x54, 0x27, 0x98, 0xad,
+	0xa4, 0x84, 0xd0, 0x17, 0x94, 0x9a, 0x9b, 0x5f, 0x86, 0xc5, 0x4e, 0x27, 0x89, 0x13, 0x0f, 0xe5,
+	0x18, 0x6e, 0x3c, 0x94, 0x63, 0x68, 0x78, 0x24, 0xc7, 0x78, 0xe2, 0x91, 0x1c, 0xe3, 0x85, 0x47,
+	0x72, 0x8c, 0x0f, 0x1e, 0xc9, 0x31, 0x26, 0xb1, 0x81, 0xbd, 0x63, 0x0c, 0x08, 0x00, 0x00, 0xff,
+	0xff, 0x5e, 0xad, 0x28, 0x20, 0x11, 0x01, 0x00, 0x00,
+}

api/types/event/snapshot.proto

@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+message SnapshotPrepare {
+	string key = 1;
+	string parent = 2;
+}
+
+message SnapshotCommit {
+	string key = 1;
+	string name = 2;
+}
+
+message SnapshotRemove {
+	string key = 1;
+}

api/types/event/task.pb.go

@@ -0,0 +1,590 @@
+// Code generated by protoc-gen-gogo.
+// source: github.com/containerd/containerd/api/types/event/task.proto
+// DO NOT EDIT!
+
+package event
+
+import proto "github.com/gogo/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+import strings "strings"
+import reflect "reflect"
+
+import io "io"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+type TaskCreate struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *TaskCreate) Reset()                    { *m = TaskCreate{} }
+func (*TaskCreate) ProtoMessage()               {}
+func (*TaskCreate) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{0} }
+
+type TaskStart struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *TaskStart) Reset()                    { *m = TaskStart{} }
+func (*TaskStart) ProtoMessage()               {}
+func (*TaskStart) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{1} }
+
+type TaskDelete struct {
+	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+}
+
+func (m *TaskDelete) Reset()                    { *m = TaskDelete{} }
+func (*TaskDelete) ProtoMessage()               {}
+func (*TaskDelete) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{2} }
+
+func init() {
+	proto.RegisterType((*TaskCreate)(nil), "containerd.v1.types.TaskCreate")
+	proto.RegisterType((*TaskStart)(nil), "containerd.v1.types.TaskStart")
+	proto.RegisterType((*TaskDelete)(nil), "containerd.v1.types.TaskDelete")
+}
+func (m *TaskCreate) 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 *TaskCreate) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func (m *TaskStart) 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 *TaskStart) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func (m *TaskDelete) 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 *TaskDelete) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ContainerID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintTask(dAtA, i, uint64(len(m.ContainerID)))
+		i += copy(dAtA[i:], m.ContainerID)
+	}
+	return i, nil
+}
+
+func encodeFixed64Task(dAtA []byte, offset int, v uint64) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	dAtA[offset+4] = uint8(v >> 32)
+	dAtA[offset+5] = uint8(v >> 40)
+	dAtA[offset+6] = uint8(v >> 48)
+	dAtA[offset+7] = uint8(v >> 56)
+	return offset + 8
+}
+func encodeFixed32Task(dAtA []byte, offset int, v uint32) int {
+	dAtA[offset] = uint8(v)
+	dAtA[offset+1] = uint8(v >> 8)
+	dAtA[offset+2] = uint8(v >> 16)
+	dAtA[offset+3] = uint8(v >> 24)
+	return offset + 4
+}
+func encodeVarintTask(dAtA []byte, offset int, v uint64) int {
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return offset + 1
+}
+func (m *TaskCreate) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func (m *TaskStart) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func (m *TaskDelete) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ContainerID)
+	if l > 0 {
+		n += 1 + l + sovTask(uint64(l))
+	}
+	return n
+}
+
+func sovTask(x uint64) (n int) {
+	for {
+		n++
+		x >>= 7
+		if x == 0 {
+			break
+		}
+	}
+	return n
+}
+func sozTask(x uint64) (n int) {
+	return sovTask(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (this *TaskCreate) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskCreate{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskStart) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskStart{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func (this *TaskDelete) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&TaskDelete{`,
+		`ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`,
+		`}`,
+	}, "")
+	return s
+}
+func valueToStringTask(v interface{}) string {
+	rv := reflect.ValueOf(v)
+	if rv.IsNil() {
+		return "nil"
+	}
+	pv := reflect.Indirect(rv).Interface()
+	return fmt.Sprintf("*%v", pv)
+}
+func (m *TaskCreate) 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 ErrIntOverflowTask
+			}
+			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: TaskCreate: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskCreate: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskStart) 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 ErrIntOverflowTask
+			}
+			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: TaskStart: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskStart: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TaskDelete) 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 ErrIntOverflowTask
+			}
+			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: TaskDelete: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TaskDelete: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ContainerID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ContainerID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipTask(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthTask
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipTask(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowTask
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+			return iNdEx, nil
+		case 1:
+			iNdEx += 8
+			return iNdEx, nil
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			iNdEx += length
+			if length < 0 {
+				return 0, ErrInvalidLengthTask
+			}
+			return iNdEx, nil
+		case 3:
+			for {
+				var innerWire uint64
+				var start int = iNdEx
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return 0, ErrIntOverflowTask
+					}
+					if iNdEx >= l {
+						return 0, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					innerWire |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				innerWireType := int(innerWire & 0x7)
+				if innerWireType == 4 {
+					break
+				}
+				next, err := skipTask(dAtA[start:])
+				if err != nil {
+					return 0, err
+				}
+				iNdEx = start + next
+			}
+			return iNdEx, nil
+		case 4:
+			return iNdEx, nil
+		case 5:
+			iNdEx += 4
+			return iNdEx, nil
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+	}
+	panic("unreachable")
+}
+
+var (
+	ErrInvalidLengthTask = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowTask   = fmt.Errorf("proto: integer overflow")
+)
+
+func init() {
+	proto.RegisterFile("github.com/containerd/containerd/api/types/event/task.proto", fileDescriptorTask)
+}
+
+var fileDescriptorTask = []byte{
+	// 186 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x4e, 0xcf, 0x2c, 0xc9,
+	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
+	0x4a, 0x41, 0x66, 0x26, 0x16, 0x64, 0xea, 0x97, 0x54, 0x16, 0xa4, 0x16, 0xeb, 0xa7, 0x96, 0xa5,
+	0xe6, 0x95, 0xe8, 0x97, 0x24, 0x16, 0x67, 0xeb, 0x15, 0x14, 0xe5, 0x97, 0xe4, 0x0b, 0x09, 0x23,
+	0x94, 0xe9, 0x95, 0x19, 0xea, 0x81, 0x55, 0x29, 0x39, 0x70, 0x71, 0x85, 0x24, 0x16, 0x67, 0x3b,
+	0x17, 0xa5, 0x26, 0x96, 0xa4, 0x0a, 0x19, 0x71, 0xf1, 0xc0, 0x15, 0xc5, 0x67, 0xa6, 0x48, 0x30,
+	0x2a, 0x30, 0x6a, 0x70, 0x3a, 0xf1, 0x3f, 0xba, 0x27, 0xcf, 0xed, 0x0c, 0x13, 0xf7, 0x74, 0x09,
+	0xe2, 0x86, 0x2b, 0xf2, 0x4c, 0x51, 0xb2, 0xe7, 0xe2, 0x04, 0x99, 0x10, 0x5c, 0x92, 0x58, 0x54,
+	0x42, 0x96, 0x01, 0x50, 0x27, 0xb8, 0xa4, 0xe6, 0xa4, 0x92, 0xe7, 0x04, 0x27, 0x89, 0x13, 0x0f,
+	0xe5, 0x18, 0x6e, 0x3c, 0x94, 0x63, 0x68, 0x78, 0x24, 0xc7, 0x78, 0xe2, 0x91, 0x1c, 0xe3, 0x85,
+	0x47, 0x72, 0x8c, 0x0f, 0x1e, 0xc9, 0x31, 0x26, 0xb1, 0x81, 0xbd, 0x6e, 0x0c, 0x08, 0x00, 0x00,
+	0xff, 0xff, 0x3a, 0x4d, 0xa1, 0xee, 0x39, 0x01, 0x00, 0x00,
+}

api/types/event/task.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+
+package containerd.v1.types;
+
+message TaskCreate {
+	string container_id = 1;
+}
+
+message TaskStart {
+	string container_id = 1;
+}
+
+message TaskDelete {
+	string container_id = 1;
+}