Merge pull request #680 from hqhq/add_kill_api

Add kill api

api/services/content/content.pb.go

@@ -2588,7 +2588,7 @@ func init() {
 
 var fileDescriptorContent = []byte{
 	// 768 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x55, 0x4f, 0x6f, 0xd3, 0x4e,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xb4, 0x55, 0x4f, 0x6f, 0xd3, 0x4e,
 	0x10, 0xcd, 0xe6, 0x8f, 0x7f, 0xcd, 0x24, 0xed, 0x2f, 0x6c, 0x43, 0x15, 0xb9, 0xad, 0x13, 0xc2,
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api/services/execution/execution.pb.go

@@ -17,6 +17,7 @@
 		InfoRequest
 		ListRequest
 		ListResponse
+		KillRequest
 		EventsRequest
 */
 package execution
@@ -123,12 +124,22 @@ func (m *ListResponse) Reset()                    { *m = ListResponse{} }
 func (*ListResponse) ProtoMessage()               {}
 func (*ListResponse) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{7} }
 
+type KillRequest struct {
+	ID     string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Signal uint32 `protobuf:"varint,2,opt,name=signal,proto3" json:"signal,omitempty"`
+	All    bool   `protobuf:"varint,3,opt,name=all,proto3" json:"all,omitempty"`
+}
+
+func (m *KillRequest) Reset()                    { *m = KillRequest{} }
+func (*KillRequest) ProtoMessage()               {}
+func (*KillRequest) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{8} }
+
 type EventsRequest struct {
 }
 
 func (m *EventsRequest) Reset()                    { *m = EventsRequest{} }
 func (*EventsRequest) ProtoMessage()               {}
-func (*EventsRequest) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{8} }
+func (*EventsRequest) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{9} }
 
 func init() {
 	proto.RegisterType((*CreateRequest)(nil), "containerd.v1.services.CreateRequest")
@@ -139,6 +150,7 @@ func init() {
 	proto.RegisterType((*InfoRequest)(nil), "containerd.v1.services.InfoRequest")
 	proto.RegisterType((*ListRequest)(nil), "containerd.v1.services.ListRequest")
 	proto.RegisterType((*ListResponse)(nil), "containerd.v1.services.ListResponse")
+	proto.RegisterType((*KillRequest)(nil), "containerd.v1.services.KillRequest")
 	proto.RegisterType((*EventsRequest)(nil), "containerd.v1.services.EventsRequest")
 }
 
@@ -158,6 +170,7 @@ type ContainerServiceClient interface {
 	Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*DeleteResponse, error)
 	Info(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*containerd_v1_types1.Container, error)
 	List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
+	Kill(ctx context.Context, in *KillRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error)
 	Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (ContainerService_EventsClient, error)
 }
 
@@ -214,6 +227,15 @@ func (c *containerServiceClient) List(ctx context.Context, in *ListRequest, opts
 	return out, nil
 }
 
+func (c *containerServiceClient) Kill(ctx context.Context, in *KillRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) {
+	out := new(google_protobuf.Empty)
+	err := grpc.Invoke(ctx, "/containerd.v1.services.ContainerService/Kill", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *containerServiceClient) Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (ContainerService_EventsClient, error) {
 	stream, err := grpc.NewClientStream(ctx, &_ContainerService_serviceDesc.Streams[0], c.cc, "/containerd.v1.services.ContainerService/Events", opts...)
 	if err != nil {
@@ -254,6 +276,7 @@ type ContainerServiceServer interface {
 	Delete(context.Context, *DeleteRequest) (*DeleteResponse, error)
 	Info(context.Context, *InfoRequest) (*containerd_v1_types1.Container, error)
 	List(context.Context, *ListRequest) (*ListResponse, error)
+	Kill(context.Context, *KillRequest) (*google_protobuf.Empty, error)
 	Events(*EventsRequest, ContainerService_EventsServer) error
 }
 
@@ -351,6 +374,24 @@ func _ContainerService_List_Handler(srv interface{}, ctx context.Context, dec fu
 	return interceptor(ctx, in, info, handler)
 }
 
+func _ContainerService_Kill_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(KillRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ContainerServiceServer).Kill(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/containerd.v1.services.ContainerService/Kill",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ContainerServiceServer).Kill(ctx, req.(*KillRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _ContainerService_Events_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(EventsRequest)
 	if err := stream.RecvMsg(m); err != nil {
@@ -396,6 +437,10 @@ var _ContainerService_serviceDesc = grpc.ServiceDesc{
 			MethodName: "List",
 			Handler:    _ContainerService_List_Handler,
 		},
+		{
+			MethodName: "Kill",
+			Handler:    _ContainerService_Kill_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@@ -665,6 +710,45 @@ func (m *ListResponse) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *KillRequest) 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 *KillRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ID) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintExecution(dAtA, i, uint64(len(m.ID)))
+		i += copy(dAtA[i:], m.ID)
+	}
+	if m.Signal != 0 {
+		dAtA[i] = 0x10
+		i++
+		i = encodeVarintExecution(dAtA, i, uint64(m.Signal))
+	}
+	if m.All {
+		dAtA[i] = 0x18
+		i++
+		if m.All {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
 func (m *EventsRequest) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
 	dAtA = make([]byte, size)
@@ -823,6 +907,22 @@ func (m *ListResponse) Size() (n int) {
 	return n
 }
 
+func (m *KillRequest) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ID)
+	if l > 0 {
+		n += 1 + l + sovExecution(uint64(l))
+	}
+	if m.Signal != 0 {
+		n += 1 + sovExecution(uint64(m.Signal))
+	}
+	if m.All {
+		n += 2
+	}
+	return n
+}
+
 func (m *EventsRequest) Size() (n int) {
 	var l int
 	_ = l
@@ -930,6 +1030,18 @@ func (this *ListResponse) String() string {
 	}, "")
 	return s
 }
+func (this *KillRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&KillRequest{`,
+		`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
+		`Signal:` + fmt.Sprintf("%v", this.Signal) + `,`,
+		`All:` + fmt.Sprintf("%v", this.All) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func (this *EventsRequest) String() string {
 	if this == nil {
 		return "nil"
@@ -1790,6 +1902,124 @@ func (m *ListResponse) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *KillRequest) 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 ErrIntOverflowExecution
+			}
+			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: KillRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: KillRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ID", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowExecution
+				}
+				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 ErrInvalidLengthExecution
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ID = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Signal", wireType)
+			}
+			m.Signal = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowExecution
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Signal |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field All", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowExecution
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.All = bool(v != 0)
+		default:
+			iNdEx = preIndex
+			skippy, err := skipExecution(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthExecution
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func (m *EventsRequest) Unmarshal(dAtA []byte) error {
 	l := len(dAtA)
 	iNdEx := 0
@@ -1950,42 +2180,45 @@ func init() {
 }
 
 var fileDescriptorExecution = []byte{
-	// 586 bytes of a gzipped FileDescriptorProto
+	// 629 bytes of a gzipped FileDescriptorProto
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+	0x9b, 0xb7, 0x7f, 0x09, 0x30, 0xa3, 0x4f, 0x62, 0xcb, 0x30, 0xea, 0x2e, 0x64, 0x74, 0xbf, 0x88,
-	0x3e, 0xd4, 0x7b, 0x73, 0x4c, 0xa5, 0x48, 0x0f, 0xe8, 0xfc, 0x2a, 0xc3, 0xf1, 0x8a, 0x3a, 0x48,
+	0x85, 0xa5, 0x0a, 0xef, 0x1d, 0xb4, 0x8f, 0x69, 0x1c, 0xd7, 0xc9, 0x4b, 0x13, 0x47, 0xc7, 0x9a,
-	0xae, 0x16, 0xfa, 0x00, 0x7a, 0x92, 0x01, 0x3a, 0x73, 0x76, 0x5f, 0x3e, 0x67, 0xeb, 0x37, 0x35,
+	0x9e, 0x6c, 0x91, 0xdc, 0xd3, 0x90, 0x47, 0x71, 0x8c, 0x9b, 0x86, 0x33, 0x6d, 0x7a, 0xf7, 0xa1,
-	0xcf, 0x8b, 0x68, 0xa9, 0xfc, 0x1e, 0xec, 0xab, 0x80, 0xd0, 0x69, 0xde, 0xc0, 0x66, 0x7e, 0x66,
+	0x73, 0x78, 0x41, 0x98, 0x92, 0xf9, 0x91, 0x83, 0x6f, 0x2d, 0xd8, 0x98, 0xf5, 0x3e, 0xcd, 0xee,
-	0xf3, 0x8f, 0xff, 0xba, 0x17, 0x5f, 0xf1, 0x58, 0x5f, 0x12, 0x4b, 0xbe, 0xbe, 0xad, 0x7c, 0xf3,
+	0x2a, 0xfa, 0x00, 0x76, 0x46, 0x2a, 0xda, 0xf1, 0x17, 0xdf, 0x66, 0x7f, 0x4e, 0xf7, 0xce, 0x6e,
-	0xf5, 0xdd, 0x49, 0xf7, 0x0d, 0x54, 0xe2, 0x90, 0xd0, 0xa3, 0x3c, 0xfe, 0x46, 0x84, 0x66, 0x81,
+	0x5d, 0x5a, 0x8e, 0xc7, 0x21, 0x2c, 0x1b, 0xc6, 0xd1, 0x76, 0x55, 0x41, 0x59, 0x10, 0x4e, 0xf7,
-	0xef, 0xe8, 0x3d, 0x54, 0xe2, 0xec, 0xf2, 0x3f, 0xb6, 0x11, 0xb4, 0x79, 0xfa, 0x77, 0x52, 0xaa,
+	0x8f, 0x8b, 0x72, 0xa8, 0xdf, 0x0c, 0x3d, 0x5f, 0xc6, 0x73, 0xf5, 0x7c, 0x73, 0x82, 0xa9, 0x9e,
-	0xef, 0x0a, 0xf4, 0x24, 0xbe, 0xfc, 0xc5, 0xb7, 0xe2, 0x35, 0x77, 0xdf, 0x76, 0xc5, 0x79, 0xa2,
+	0xef, 0x8e, 0x5c, 0x8e, 0xa1, 0xa5, 0x59, 0x47, 0x8f, 0xaa, 0xf2, 0x4b, 0x9a, 0x70, 0x6a, 0x88,
-	0x5d, 0x18, 0x37, 0xb7, 0xd6, 0xde, 0xf7, 0x5b, 0x6b, 0xef, 0xcb, 0xd2, 0xd2, 0x6e, 0x96, 0x96,
+	0x44, 0xef, 0xa1, 0xa5, 0xc5, 0x50, 0x7d, 0x58, 0x49, 0x39, 0xce, 0xf6, 0xdf, 0x93, 0xf2, 0xf9,
-	0xf6, 0x6d, 0x69, 0x69, 0x3f, 0x97, 0x96, 0x36, 0xd4, 0x95, 0xe3, 0xcf, 0x7e, 0x07, 0x00, 0x00,
+	0xf6, 0xa1, 0xa5, 0xf5, 0x50, 0x7d, 0x64, 0x49, 0x2d, 0x95, 0xe8, 0x9d, 0x80, 0x9d, 0x69, 0xa0,
-	0xff, 0xff, 0x8d, 0x48, 0xca, 0x8b, 0xc5, 0x05, 0x00, 0x00,
+	0x1a, 0xbd, 0x39, 0x8d, 0x38, 0x8b, 0xdf, 0x20, 0x93, 0xf3, 0xc4, 0xda, 0xc3, 0xd7, 0x37, 0xee,
+	0xd2, 0x8f, 0x1b, 0x77, 0xe9, 0xcb, 0xd4, 0xb5, 0xae, 0xa7, 0xae, 0xf5, 0x7d, 0xea, 0x5a, 0xbf,
+	0xa6, 0xae, 0x75, 0x66, 0x9b, 0xc6, 0xcf, 0x7e, 0x07, 0x00, 0x00, 0xff, 0xff, 0xd5, 0xe9, 0x01,
+	0xd2, 0x5b, 0x06, 0x00, 0x00,
 }

api/services/execution/execution.proto

@@ -14,6 +14,7 @@ service ContainerService {
 	rpc Delete(DeleteRequest) returns (DeleteResponse);
 	rpc Info(InfoRequest) returns (containerd.v1.types.Container);
 	rpc List(ListRequest) returns (ListResponse);
+	rpc Kill(KillRequest) returns (google.protobuf.Empty);
 	rpc Events(EventsRequest) returns (stream containerd.v1.types.Event);
 }
 
@@ -57,5 +58,11 @@ message ListResponse {
 	repeated containerd.v1.types.Container containers = 1;
 }
 
+message KillRequest {
+	string id = 1 [(gogoproto.customname) = "ID"];
+	uint32 signal = 2;
+	bool all = 3;
+}
+
 message EventsRequest {
 }

api/services/images/images.pb.go

@@ -125,9 +125,14 @@ const _ = grpc.SupportPackageIsVersion4
 // Client API for Images service
 
 type ImagesClient interface {
+	// Get returns an image by name.
 	Get(ctx context.Context, in *GetRequest, opts ...grpc.CallOption) (*GetResponse, error)
+	// Put assigns the name to a given target image based on the provided
+	// image.
 	Put(ctx context.Context, in *PutRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
+	// List returns a list of all images known to containerd.
 	List(ctx context.Context, in *ListRequest, opts ...grpc.CallOption) (*ListResponse, error)
+	// Delete deletes the image by name.
 	Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
 }
 
@@ -178,9 +183,14 @@ func (c *imagesClient) Delete(ctx context.Context, in *DeleteRequest, opts ...gr
 // Server API for Images service
 
 type ImagesServer interface {
+	// Get returns an image by name.
 	Get(context.Context, *GetRequest) (*GetResponse, error)
+	// Put assigns the name to a given target image based on the provided
+	// image.
 	Put(context.Context, *PutRequest) (*google_protobuf1.Empty, error)
+	// List returns a list of all images known to containerd.
 	List(context.Context, *ListRequest) (*ListResponse, error)
+	// Delete deletes the image by name.
 	Delete(context.Context, *DeleteRequest) (*google_protobuf1.Empty, error)
 }
 
@@ -1325,7 +1335,7 @@ func init() {
 
 var fileDescriptorImages = []byte{
 	// 419 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x52, 0x4d, 0x6f, 0xd3, 0x40,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x94, 0x52, 0x4d, 0x6f, 0xd3, 0x40,
 	0x10, 0xcd, 0x36, 0xa9, 0x25, 0xc6, 0xe4, 0xb2, 0xaa, 0x90, 0x71, 0x91, 0x6b, 0x99, 0x4b, 0xc5,
 	0x61, 0x0d, 0xe6, 0x02, 0x52, 0x29, 0x22, 0x2a, 0x54, 0x48, 0x1c, 0x2a, 0x1f, 0xb9, 0x39, 0xee,
 	0x60, 0x2c, 0xd5, 0x5e, 0xe3, 0x5d, 0x57, 0xca, 0x0d, 0xfe, 0x5d, 0x8e, 0x1c, 0x39, 0x21, 0xe2,

api/services/rootfs/rootfs.pb.go

@@ -1103,7 +1103,7 @@ func init() {
 
 var fileDescriptorRootfs = []byte{
 	// 428 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x52, 0x4d, 0xab, 0xd3, 0x40,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xac, 0x52, 0x4d, 0xab, 0xd3, 0x40,
 	0x14, 0xed, 0xf8, 0x24, 0xad, 0x23, 0x7d, 0x8b, 0xc1, 0x45, 0x08, 0x9a, 0x94, 0xb8, 0x29, 0x82,
 	0x09, 0xd6, 0x85, 0x1b, 0x5d, 0xf8, 0x5e, 0x2c, 0xbe, 0x85, 0x20, 0x11, 0xd1, 0x9d, 0x4c, 0x93,
 	0x31, 0x1d, 0x6c, 0xe7, 0x8e, 0x33, 0xd3, 0x42, 0x77, 0xfe, 0x0e, 0x7f, 0x51, 0x97, 0x2e, 0x45,

api/services/shim/shim.pb.go

@@ -24,6 +24,7 @@
 		PauseRequest
 		ResumeRequest
 		ExitRequest
+		KillRequest
 */
 package shim
 
@@ -191,6 +192,15 @@ func (m *ExitRequest) Reset()                    { *m = ExitRequest{} }
 func (*ExitRequest) ProtoMessage()               {}
 func (*ExitRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{14} }
 
+type KillRequest struct {
+	Signal uint32 `protobuf:"varint,1,opt,name=signal,proto3" json:"signal,omitempty"`
+	All    bool   `protobuf:"varint,2,opt,name=all,proto3" json:"all,omitempty"`
+}
+
+func (m *KillRequest) Reset()                    { *m = KillRequest{} }
+func (*KillRequest) ProtoMessage()               {}
+func (*KillRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{15} }
+
 func init() {
 	proto.RegisterType((*CreateRequest)(nil), "containerd.v1.services.shim.CreateRequest")
 	proto.RegisterType((*CreateResponse)(nil), "containerd.v1.services.shim.CreateResponse")
@@ -207,6 +217,7 @@ func init() {
 	proto.RegisterType((*PauseRequest)(nil), "containerd.v1.services.shim.PauseRequest")
 	proto.RegisterType((*ResumeRequest)(nil), "containerd.v1.services.shim.ResumeRequest")
 	proto.RegisterType((*ExitRequest)(nil), "containerd.v1.services.shim.ExitRequest")
+	proto.RegisterType((*KillRequest)(nil), "containerd.v1.services.shim.KillRequest")
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -230,6 +241,7 @@ type ShimClient interface {
 	Pause(ctx context.Context, in *PauseRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
 	Resume(ctx context.Context, in *ResumeRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
 	Exit(ctx context.Context, in *ExitRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
+	Kill(ctx context.Context, in *KillRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
 }
 
 type shimClient struct {
@@ -353,6 +365,15 @@ func (c *shimClient) Exit(ctx context.Context, in *ExitRequest, opts ...grpc.Cal
 	return out, nil
 }
 
+func (c *shimClient) Kill(ctx context.Context, in *KillRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
+	out := new(google_protobuf1.Empty)
+	err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/Kill", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for Shim service
 
 type ShimServer interface {
@@ -366,6 +387,7 @@ type ShimServer interface {
 	Pause(context.Context, *PauseRequest) (*google_protobuf1.Empty, error)
 	Resume(context.Context, *ResumeRequest) (*google_protobuf1.Empty, error)
 	Exit(context.Context, *ExitRequest) (*google_protobuf1.Empty, error)
+	Kill(context.Context, *KillRequest) (*google_protobuf1.Empty, error)
 }
 
 func RegisterShimServer(s *grpc.Server, srv ShimServer) {
@@ -555,6 +577,24 @@ func _Shim_Exit_Handler(srv interface{}, ctx context.Context, dec func(interface
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Shim_Kill_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(KillRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ShimServer).Kill(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/containerd.v1.services.shim.Shim/Kill",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ShimServer).Kill(ctx, req.(*KillRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 var _Shim_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "containerd.v1.services.shim.Shim",
 	HandlerType: (*ShimServer)(nil),
@@ -595,6 +635,10 @@ var _Shim_serviceDesc = grpc.ServiceDesc{
 			MethodName: "Exit",
 			Handler:    _Shim_Exit_Handler,
 		},
+		{
+			MethodName: "Kill",
+			Handler:    _Shim_Kill_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@@ -1067,6 +1111,39 @@ func (m *ExitRequest) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *KillRequest) 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 *KillRequest) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if m.Signal != 0 {
+		dAtA[i] = 0x8
+		i++
+		i = encodeVarintShim(dAtA, i, uint64(m.Signal))
+	}
+	if m.All {
+		dAtA[i] = 0x10
+		i++
+		if m.All {
+			dAtA[i] = 1
+		} else {
+			dAtA[i] = 0
+		}
+		i++
+	}
+	return i, nil
+}
+
 func encodeFixed64Shim(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	dAtA[offset+1] = uint8(v >> 8)
@@ -1290,6 +1367,18 @@ func (m *ExitRequest) Size() (n int) {
 	return n
 }
 
+func (m *KillRequest) Size() (n int) {
+	var l int
+	_ = l
+	if m.Signal != 0 {
+		n += 1 + sovShim(uint64(m.Signal))
+	}
+	if m.All {
+		n += 2
+	}
+	return n
+}
+
 func sovShim(x uint64) (n int) {
 	for {
 		n++
@@ -1467,6 +1556,17 @@ func (this *ExitRequest) String() string {
 	}, "")
 	return s
 }
+func (this *KillRequest) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&KillRequest{`,
+		`Signal:` + fmt.Sprintf("%v", this.Signal) + `,`,
+		`All:` + fmt.Sprintf("%v", this.All) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func valueToStringShim(v interface{}) string {
 	rv := reflect.ValueOf(v)
 	if rv.IsNil() {
@@ -2937,6 +3037,95 @@ func (m *ExitRequest) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *KillRequest) 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 ErrIntOverflowShim
+			}
+			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: KillRequest: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: KillRequest: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Signal", wireType)
+			}
+			m.Signal = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.Signal |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 2:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field All", wireType)
+			}
+			var v int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				v |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			m.All = bool(v != 0)
+		default:
+			iNdEx = preIndex
+			skippy, err := skipShim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthShim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipShim(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
@@ -3047,55 +3236,58 @@ func init() {
 }
 
 var fileDescriptorShim = []byte{
-	// 800 bytes of a gzipped FileDescriptorProto
+	// 837 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x94, 0x54, 0x4f, 0x8f, 0xdb, 0x44,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x94, 0x54, 0xcd, 0x6e, 0xdb, 0x46,
-	0x14, 0xaf, 0x13, 0xaf, 0x37, 0xfb, 0x52, 0xa7, 0x68, 0xb4, 0x5a, 0xb9, 0x5e, 0x94, 0x06, 0x5f,
+	0x10, 0x0e, 0x25, 0x9a, 0x96, 0x47, 0xa1, 0x53, 0x2c, 0x0c, 0x83, 0xa1, 0x0b, 0xc5, 0xe5, 0xa5,
-	0x48, 0x8b, 0xe4, 0xd0, 0xf4, 0x86, 0xe0, 0x40, 0xc9, 0x22, 0x40, 0x45, 0x8a, 0x66, 0x8f, 0x48,
+	0x4a, 0x0a, 0x50, 0x8d, 0x72, 0x28, 0x50, 0xb4, 0x87, 0xa6, 0x76, 0xd1, 0x9f, 0x14, 0x10, 0xd6,
-	0x54, 0x4e, 0x3c, 0x9b, 0x8c, 0x14, 0x7b, 0x8c, 0x67, 0x1c, 0x9a, 0x1b, 0x67, 0xbe, 0x01, 0x5f,
+	0xc7, 0x02, 0x0d, 0x68, 0x71, 0x2d, 0x2d, 0x40, 0x72, 0x59, 0xee, 0x52, 0x8d, 0x6e, 0x3d, 0xf7,
-	0x87, 0x53, 0x8f, 0x5c, 0x90, 0x38, 0x21, 0x9a, 0x4f, 0x82, 0xe6, 0x8f, 0xe3, 0xa4, 0x4d, 0xe2,
+	0x0d, 0x7a, 0xea, 0xbb, 0xf4, 0x94, 0x63, 0x8f, 0x3d, 0x15, 0x8d, 0x9e, 0xa4, 0xd8, 0x1f, 0x8a,
-	0xec, 0xc5, 0x7a, 0xef, 0xcd, 0xef, 0x8d, 0xdf, 0xfb, 0xbd, 0xdf, 0x1b, 0xf8, 0x6a, 0x46, 0xc5,
+	0x52, 0x22, 0x8a, 0xca, 0x85, 0x98, 0x99, 0xfd, 0x76, 0x38, 0xf3, 0xcd, 0x7c, 0x0b, 0x5f, 0xce,
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+	0xa8, 0x98, 0x97, 0xb7, 0xe1, 0x94, 0xa5, 0xa3, 0x29, 0xcb, 0x44, 0x44, 0x33, 0x52, 0xc4, 0x9b,
-	0x46, 0x07, 0x9c, 0xe4, 0x4b, 0x3a, 0x25, 0x7c, 0xc0, 0xe7, 0x34, 0x51, 0x9f, 0x30, 0xcb, 0x99,
+	0x66, 0x94, 0xd3, 0x11, 0x27, 0xc5, 0x82, 0x4e, 0x09, 0x1f, 0xf1, 0x39, 0x4d, 0xd5, 0x27, 0xcc,
-	0x60, 0xe8, 0xba, 0x02, 0x86, 0xcb, 0xe7, 0x61, 0x89, 0x0b, 0x25, 0xc4, 0x7f, 0x3c, 0x63, 0x6c,
+	0x0b, 0x26, 0x18, 0xba, 0xa8, 0x81, 0xe1, 0xe2, 0x69, 0x58, 0xe1, 0x42, 0x09, 0xf1, 0x1f, 0xce,
-	0xb6, 0x20, 0x03, 0x05, 0x9d, 0x14, 0x77, 0x83, 0x28, 0x5d, 0xe9, 0x3c, 0xff, 0xfa, 0xfd, 0x23,
+	0x18, 0x9b, 0x25, 0x64, 0xa4, 0xa0, 0xb7, 0xe5, 0xdd, 0x28, 0xca, 0x96, 0xfa, 0x9e, 0x7f, 0xf1,
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+	0x7e, 0xb8, 0x3d, 0x58, 0x45, 0x4c, 0xf8, 0xa3, 0x24, 0x14, 0x1b, 0x64, 0x10, 0xc0, 0x69, 0xc5,
-	0x52, 0x4e, 0xd0, 0x47, 0xd0, 0xcc, 0x0c, 0x1b, 0x2e, 0x96, 0x66, 0xd0, 0x81, 0x87, 0xb7, 0x22,
+	0x05, 0xcf, 0x59, 0xc6, 0x09, 0xfa, 0x00, 0xba, 0xb9, 0x61, 0xc3, 0xc5, 0xd2, 0x0c, 0x4e, 0xe1,
-	0xca, 0x85, 0xa1, 0x2b, 0xf8, 0x04, 0xdc, 0x11, 0x59, 0x90, 0x8a, 0xbf, 0x0f, 0x53, 0x9e, 0x43,
+	0xfe, 0x8d, 0x88, 0x0a, 0x61, 0xe8, 0x0a, 0x3e, 0x02, 0xf7, 0x8a, 0x24, 0xa4, 0xe6, 0xef, 0xdd,
-	0xa7, 0x84, 0x98, 0x6b, 0x9f, 0x40, 0x9b, 0xbc, 0xa1, 0xe2, 0x35, 0x17, 0x91, 0x28, 0xb8, 0xc1,
+	0x2b, 0x4f, 0xe1, 0xb4, 0x82, 0x98, 0xb4, 0x8f, 0xa0, 0x4f, 0x5e, 0x51, 0xf1, 0x92, 0x8b, 0x48,
-	0x82, 0x0c, 0xdd, 0xaa, 0x48, 0xf0, 0x87, 0x05, 0xed, 0x9b, 0x37, 0x64, 0x5a, 0x5e, 0xba, 0xcd,
+	0x94, 0xdc, 0x60, 0x41, 0x86, 0x6e, 0x54, 0x24, 0xf8, 0xc3, 0x82, 0xfe, 0xf5, 0x2b, 0x32, 0xad,
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+	0x92, 0x6e, 0xf2, 0x65, 0x35, 0xf1, 0xd5, 0xd9, 0xcd, 0x57, 0xb7, 0x81, 0x2f, 0x7b, 0x8b, 0xaf,
-	0x33, 0x32, 0x55, 0xd3, 0x68, 0x0f, 0x2f, 0x43, 0x2d, 0xe7, 0xb0, 0x94, 0x73, 0xf8, 0x75, 0xba,
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+	0x51, 0x2f, 0x0b, 0x56, 0xb6, 0x8c, 0xcd, 0xa3, 0x22, 0x56, 0xc5, 0xd8, 0x58, 0xd9, 0x32, 0xc6,
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+	0xd9, 0x9d, 0xae, 0xc4, 0xc6, 0xca, 0x0e, 0x2e, 0xe1, 0xbe, 0x6e, 0xb0, 0x91, 0xe9, 0x17, 0x00,
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-	0x74, 0x36, 0xd7, 0x7f, 0x73, 0xb1, 0xf1, 0x82, 0x47, 0xe0, 0xde, 0x2c, 0x49, 0x2a, 0x78, 0x39,
+	0xfd, 0xcd, 0x09, 0x9d, 0xcd, 0xf5, 0xdf, 0x5c, 0x6c, 0xbc, 0xe0, 0x01, 0xb8, 0xd7, 0x0b, 0x92,
-	0x38, 0x3d, 0xc8, 0xcd, 0xdc, 0x82, 0x3f, 0x2d, 0x70, 0x4d, 0xc0, 0x94, 0x74, 0xdf, 0x4d, 0x30,
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+	0x2a, 0xf9, 0xba, 0xa9, 0x07, 0xe0, 0x62, 0xc2, 0xcb, 0x74, 0x1d, 0x70, 0xe5, 0x5e, 0xd1, 0xf5,
-	0x03, 0xf6, 0xed, 0x9c, 0x26, 0x28, 0x02, 0x47, 0x4b, 0x1f, 0x3d, 0x0b, 0x8f, 0xbc, 0x80, 0xe1,
+	0xf6, 0x7e, 0x06, 0xfd, 0x1f, 0x68, 0x92, 0xd4, 0xda, 0x77, 0x38, 0x9d, 0x55, 0x4b, 0xe6, 0x62,
-	0xce, 0x5b, 0xe1, 0x7f, 0x76, 0x12, 0xd6, 0xd0, 0xf9, 0x03, 0x9c, 0xa9, 0xcd, 0x41, 0x4f, 0x8f,
+	0xe3, 0xc9, 0xce, 0xa2, 0x24, 0x51, 0xed, 0xf6, 0xb0, 0x34, 0xc7, 0x7f, 0x1e, 0x83, 0x7d, 0x33,
-	0x66, 0x6d, 0x6f, 0x97, 0x7f, 0xf5, 0x81, 0x0e, 0x6f, 0xe4, 0xb3, 0x2a, 0xcb, 0xd5, 0x2b, 0x55,
+	0xa7, 0x29, 0x8a, 0xc0, 0xd1, 0x9a, 0x41, 0x4f, 0xc2, 0x3d, 0x4f, 0x67, 0xb8, 0xf5, 0xc8, 0xf8,
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+	0xe9, 0x9f, 0xbf, 0xb3, 0xc0, 0xd7, 0xf2, 0x3d, 0x96, 0xe5, 0x6a, 0x2d, 0xb6, 0x94, 0xbb, 0xa5,
-	0xf4, 0x68, 0x46, 0xa5, 0xfe, 0x83, 0x3c, 0x60, 0x70, 0xb4, 0xaa, 0x6b, 0x78, 0xd8, 0x91, 0xbe,
+	0xe9, 0x96, 0x72, 0xdf, 0x12, 0xf7, 0x4f, 0x60, 0xcb, 0xcd, 0x46, 0xc3, 0xbd, 0x97, 0x36, 0xd4,
-	0xbf, 0xff, 0x2d, 0x54, 0x98, 0xcf, 0x2d, 0xf4, 0xb3, 0x9a, 0x93, 0x20, 0xf5, 0x73, 0xaa, 0x98,
+	0xed, 0x3f, 0x3e, 0x00, 0x69, 0x92, 0x7f, 0x03, 0xdd, 0x89, 0x58, 0xa2, 0x8f, 0xf7, 0xde, 0xa8,
-	0x7d, 0x76, 0x0a, 0xb4, 0xd2, 0x81, 0xd2, 0x68, 0xcd, 0xfd, 0xdb, 0x3a, 0x3e, 0xd8, 0xff, 0x2b,
+	0x65, 0xd3, 0xc8, 0x03, 0x06, 0x47, 0xcb, 0xa1, 0x85, 0x87, 0x2d, 0xcd, 0xf8, 0xbb, 0x1f, 0x51,
-	0x70, 0xb4, 0xbe, 0x6b, 0xfa, 0xdf, 0x59, 0x82, 0x83, 0xb7, 0x7d, 0x27, 0x47, 0x4e, 0x45, 0xed,
+	0x85, 0xf9, 0xd4, 0x42, 0x3f, 0xab, 0x39, 0x09, 0xd2, 0x3e, 0xa7, 0x9a, 0xd9, 0x27, 0x87, 0x40,
-	0xc8, 0x69, 0x9d, 0x3e, 0x5f, 0x7a, 0x6f, 0xdf, 0x75, 0x1f, 0xfc, 0xf3, 0xae, 0xfb, 0xe0, 0xb7,
+	0xeb, 0x3d, 0x50, 0xcb, 0xdd, 0x92, 0x7f, 0x53, 0x00, 0x8d, 0xfd, 0xbf, 0x00, 0x47, 0x0b, 0xa3,
-	0x75, 0xd7, 0x7a, 0xbb, 0xee, 0x5a, 0x7f, 0xad, 0xbb, 0xd6, 0x7f, 0xeb, 0xae, 0x35, 0x71, 0x14,
+	0xa5, 0xff, 0x2d, 0xf5, 0x34, 0x66, 0xfb, 0x56, 0x8e, 0x9c, 0x8a, 0xd6, 0x91, 0x53, 0x71, 0x40,
-	0xf2, 0xc5, 0xff, 0x01, 0x00, 0x00, 0xff, 0xff, 0x0a, 0x76, 0x56, 0x67, 0xa7, 0x08, 0x00, 0x00,
+	0x26, 0x29, 0xc8, 0x96, 0x4c, 0x1b, 0x9a, 0x6d, 0xca, 0xf4, 0xdc, 0x7b, 0xfd, 0x66, 0x70, 0xef,
+	0x9f, 0x37, 0x83, 0x7b, 0xbf, 0xad, 0x06, 0xd6, 0xeb, 0xd5, 0xc0, 0xfa, 0x7b, 0x35, 0xb0, 0xfe,
+	0x5b, 0x0d, 0xac, 0x5b, 0x47, 0x21, 0x9f, 0xfd, 0x1f, 0x00, 0x00, 0xff, 0xff, 0xe1, 0x25, 0x57,
+	0xa4, 0x2a, 0x09, 0x00, 0x00,
 }

api/services/shim/shim.proto

@@ -19,6 +19,7 @@ service Shim {
 	rpc Pause(PauseRequest) returns (google.protobuf.Empty);
 	rpc Resume(ResumeRequest) returns (google.protobuf.Empty);
 	rpc Exit(ExitRequest) returns (google.protobuf.Empty);
+	rpc Kill(KillRequest) returns (google.protobuf.Empty);
 }
 
 message CreateRequest {
@@ -95,3 +96,8 @@ message ResumeRequest {
 
 message ExitRequest {
 }
+
+message KillRequest {
+	uint32 signal = 1;
+	bool all = 2;
+}

api/types/container/container.pb.go

@@ -1316,7 +1316,7 @@ func init() {
 
 var fileDescriptorContainer = []byte{
 	// 516 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x53, 0x41, 0x8b, 0xd3, 0x5c,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x8c, 0x53, 0x41, 0x8b, 0xd3, 0x5c,
 	0x14, 0xed, 0x4b, 0xd2, 0xb4, 0xbd, 0x65, 0xfa, 0x3d, 0xde, 0x27, 0x12, 0x47, 0xc8, 0x84, 0x22,
 	0x18, 0x04, 0x53, 0xec, 0x6c, 0xdc, 0x76, 0x9a, 0x30, 0x16, 0x31, 0xad, 0xaf, 0x29, 0xce, 0xae,
 	0x64, 0x9a, 0x10, 0x9f, 0xcc, 0x24, 0x25, 0x79, 0xad, 0xce, 0xce, 0x9f, 0x37, 0x4b, 0x97, 0xae,

api/types/descriptor/descriptor.pb.go

@@ -404,7 +404,7 @@ func init() {
 
 var fileDescriptorDescriptor = []byte{
 	// 229 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x72, 0x4b, 0xcf, 0x2c, 0xc9,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x72, 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, 0xa4, 0x16,
 	0x27, 0x17, 0x65, 0x16, 0x94, 0xe4, 0x17, 0x21, 0x31, 0xf5, 0x0a, 0x8a, 0xf2, 0x4b, 0xf2, 0x85,

api/types/mount/mount.pb.go

@@ -473,7 +473,7 @@ func init() {
 
 var fileDescriptorMount = []byte{
 	// 197 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xb2, 0x49, 0xcf, 0x2c, 0xc9,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 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, 0xe7, 0xe6, 0x97,
 	0xe6, 0x95, 0x40, 0x48, 0xbd, 0x82, 0xa2, 0xfc, 0x92, 0x7c, 0x21, 0x61, 0x84, 0x3a, 0xbd, 0x32,

cmd/ctr/kill.go

@@ -0,0 +1,115 @@
+package main
+
+import (
+	gocontext "context"
+	"fmt"
+	"strconv"
+	"strings"
+	"syscall"
+
+	"github.com/containerd/containerd/api/services/execution"
+	"github.com/pkg/errors"
+	"github.com/urfave/cli"
+)
+
+var signalMap = map[string]syscall.Signal{
+	"ABRT":   syscall.SIGABRT,
+	"ALRM":   syscall.SIGALRM,
+	"BUS":    syscall.SIGBUS,
+	"CHLD":   syscall.SIGCHLD,
+	"CLD":    syscall.SIGCLD,
+	"CONT":   syscall.SIGCONT,
+	"FPE":    syscall.SIGFPE,
+	"HUP":    syscall.SIGHUP,
+	"ILL":    syscall.SIGILL,
+	"INT":    syscall.SIGINT,
+	"IO":     syscall.SIGIO,
+	"IOT":    syscall.SIGIOT,
+	"KILL":   syscall.SIGKILL,
+	"PIPE":   syscall.SIGPIPE,
+	"POLL":   syscall.SIGPOLL,
+	"PROF":   syscall.SIGPROF,
+	"PWR":    syscall.SIGPWR,
+	"QUIT":   syscall.SIGQUIT,
+	"SEGV":   syscall.SIGSEGV,
+	"STKFLT": syscall.SIGSTKFLT,
+	"STOP":   syscall.SIGSTOP,
+	"SYS":    syscall.SIGSYS,
+	"TERM":   syscall.SIGTERM,
+	"TRAP":   syscall.SIGTRAP,
+	"TSTP":   syscall.SIGTSTP,
+	"TTIN":   syscall.SIGTTIN,
+	"TTOU":   syscall.SIGTTOU,
+	"UNUSED": syscall.SIGUNUSED,
+	"URG":    syscall.SIGURG,
+	"USR1":   syscall.SIGUSR1,
+	"USR2":   syscall.SIGUSR2,
+	"VTALRM": syscall.SIGVTALRM,
+	"WINCH":  syscall.SIGWINCH,
+	"XCPU":   syscall.SIGXCPU,
+	"XFSZ":   syscall.SIGXFSZ,
+}
+
+var killCommand = cli.Command{
+	Name:  "kill",
+	Usage: "signal a container",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "id",
+			Usage: "id of the container",
+		},
+		cli.BoolFlag{
+			Name:  "all, a",
+			Usage: "send signal to all processes inside the container",
+		},
+	},
+	Action: func(context *cli.Context) error {
+		id := context.String("id")
+		if id == "" {
+			return errors.New("container id must be provided")
+		}
+
+		sigstr := context.Args().First()
+		if sigstr == "" {
+			sigstr = "SIGTERM"
+		}
+
+		signal, err := parseSignal(sigstr)
+		if err != nil {
+			return err
+		}
+
+		containers, err := getExecutionService(context)
+		if err != nil {
+			return err
+		}
+		killRequest := &execution.KillRequest{
+			ID:     id,
+			Signal: uint32(signal),
+			All:    context.Bool("all"),
+		}
+		_, err = containers.Kill(gocontext.Background(), killRequest)
+		if err != nil {
+			return err
+		}
+		return nil
+	},
+}
+
+func parseSignal(rawSignal string) (syscall.Signal, error) {
+	s, err := strconv.Atoi(rawSignal)
+	if err == nil {
+		sig := syscall.Signal(s)
+		for _, msig := range signalMap {
+			if sig == msig {
+				return sig, nil
+			}
+		}
+		return -1, fmt.Errorf("unknown signal %q", rawSignal)
+	}
+	signal, ok := signalMap[strings.TrimPrefix(strings.ToUpper(rawSignal), "SIG")]
+	if !ok {
+		return -1, fmt.Errorf("unknown signal %q", rawSignal)
+	}
+	return signal, nil
+}

cmd/ctr/main.go

@@ -52,6 +52,7 @@ containerd client
 		deleteCommand,
 		listCommand,
 		infoCommand,
+		killCommand,
 		shimCommand,
 		pprofCommand,
 	}

container.go

@@ -14,6 +14,8 @@ type Container interface {
 	Start(context.Context) error
 	// State returns the container's state
 	State(context.Context) (State, error)
+	// Kill signals a container
+	Kill(context.Context, uint32, bool) error
 }
 
 type LinuxContainer interface {

linux/container.go

@@ -70,3 +70,11 @@ func (c *Container) Resume(ctx context.Context) error {
 	_, err := c.shim.Resume(ctx, &shim.ResumeRequest{})
 	return err
 }
+
+func (c *Container) Kill(ctx context.Context, signal uint32, all bool) error {
+	_, err := c.shim.Kill(ctx, &shim.KillRequest{
+		Signal: signal,
+		All:    all,
+	})
+	return err
+}

linux/shim/client.go

@@ -61,6 +61,10 @@ func (c *client) Resume(ctx context.Context, in *shimapi.ResumeRequest, opts ...
 	return c.s.Resume(ctx, in)
 }
 
+func (c *client) Kill(ctx context.Context, in *shimapi.KillRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) {
+	return c.s.Kill(ctx, in)
+}
+
 func (c *client) Exit(ctx context.Context, in *shimapi.ExitRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) {
 	// don't exit the calling process for the client
 	// but make sure we unmount the containers rootfs for this client

linux/shim/init.go

@@ -158,6 +158,12 @@ func (p *initProcess) Resume(context context.Context) error {
 	return p.runc.Resume(context, p.id)
 }
 
+func (p *initProcess) Kill(context context.Context, signal uint32, all bool) error {
+	return p.runc.Kill(context, p.id, int(signal), &runc.KillOpts{
+		All: all,
+	})
+}
+
 func (p *initProcess) killAll(context context.Context) error {
 	return p.runc.Kill(context, p.id, int(syscall.SIGKILL), &runc.KillOpts{
 		All: true,

linux/shim/service.go

@@ -217,3 +217,10 @@ func (s *Service) Exit(ctx context.Context, r *shimapi.ExitRequest) (*google_pro
 	}
 	return empty, nil
 }
+
+func (s *Service) Kill(ctx context.Context, r *shimapi.KillRequest) (*google_protobuf.Empty, error) {
+	if err := s.initProcess.Kill(ctx, r.Signal, r.All); err != nil {
+		return nil, err
+	}
+	return empty, nil
+}

services/execution/service.go

@@ -185,6 +185,17 @@ func (s *Service) List(ctx context.Context, r *api.ListRequest) (*api.ListRespon
 	return resp, nil
 }
 
+func (s *Service) Kill(ctx context.Context, r *api.KillRequest) (*google_protobuf.Empty, error) {
+	c, err := s.getContainer(r.ID)
+	if err != nil {
+		return nil, err
+	}
+	if err := c.Kill(ctx, r.Signal, r.All); err != nil {
+		return nil, err
+	}
+	return empty, nil
+}
+
 func (s *Service) Events(r *api.EventsRequest, server api.ContainerService_EventsServer) error {
 	w := &grpcEventWriter{
 		server: server,

snapshot/storage/proto/record.pb.go

@@ -447,7 +447,7 @@ func init() {
 
 var fileDescriptorRecord = []byte{
 	// 304 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0x72, 0x49, 0xcf, 0x2c, 0xc9,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x72, 0x49, 0xcf, 0x2c, 0xc9,
 	0x28, 0x4d, 0xd2, 0x4b, 0xce, 0xcf, 0xd5, 0x4f, 0xce, 0xcf, 0x2b, 0x49, 0xcc, 0xcc, 0x4b, 0x2d,
 	0x4a, 0x41, 0x66, 0x16, 0xe7, 0x25, 0x16, 0x14, 0x67, 0xe4, 0x97, 0xe8, 0x17, 0x97, 0xe4, 0x17,
 	0x25, 0xa6, 0xa7, 0xea, 0x17, 0x14, 0xe5, 0x97, 0xe4, 0xeb, 0x17, 0xa5, 0x26, 0xe7, 0x17, 0xa5,