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Add Pty and CloseStdin RPCs

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Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Michael Crosby 2017-04-06 12:19:00 -07:00
parent c1325a5aa9
commit a7da08b7ba
15 changed files with 1031 additions and 231 deletions
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542
api/services/execution/execution.pb.go
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@ -21,6 +21,8 @@
EventsRequest
ExecRequest
ExecResponse
PtyRequest
CloseStdinRequest
*/
package execution
@ -164,6 +166,26 @@ func (m *ExecResponse) Reset() { *m = ExecResponse{} }
func (*ExecResponse) ProtoMessage() {}
func (*ExecResponse) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{11} }
type PtyRequest struct {
ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
Pid uint32 `protobuf:"varint,2,opt,name=pid,proto3" json:"pid,omitempty"`
Width uint32 `protobuf:"varint,3,opt,name=width,proto3" json:"width,omitempty"`
Height uint32 `protobuf:"varint,4,opt,name=height,proto3" json:"height,omitempty"`
}
func (m *PtyRequest) Reset() { *m = PtyRequest{} }
func (*PtyRequest) ProtoMessage() {}
func (*PtyRequest) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{12} }
type CloseStdinRequest struct {
ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
Pid uint32 `protobuf:"varint,2,opt,name=pid,proto3" json:"pid,omitempty"`
}
func (m *CloseStdinRequest) Reset() { *m = CloseStdinRequest{} }
func (*CloseStdinRequest) ProtoMessage() {}
func (*CloseStdinRequest) Descriptor() ([]byte, []int) { return fileDescriptorExecution, []int{13} }
func init() {
proto.RegisterType((*CreateRequest)(nil), "containerd.v1.services.CreateRequest")
proto.RegisterType((*CreateResponse)(nil), "containerd.v1.services.CreateResponse")
@ -177,6 +199,8 @@ func init() {
proto.RegisterType((*EventsRequest)(nil), "containerd.v1.services.EventsRequest")
proto.RegisterType((*ExecRequest)(nil), "containerd.v1.services.ExecRequest")
proto.RegisterType((*ExecResponse)(nil), "containerd.v1.services.ExecResponse")
proto.RegisterType((*PtyRequest)(nil), "containerd.v1.services.PtyRequest")
proto.RegisterType((*CloseStdinRequest)(nil), "containerd.v1.services.CloseStdinRequest")
}
// Reference imports to suppress errors if they are not otherwise used.
@ -198,6 +222,8 @@ type ContainerServiceClient interface {
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)
Exec(ctx context.Context, in *ExecRequest, opts ...grpc.CallOption) (*ExecResponse, error)
Pty(ctx context.Context, in *PtyRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error)
CloseStdin(ctx context.Context, in *CloseStdinRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error)
}
type containerServiceClient struct {
@ -303,6 +329,24 @@ func (c *containerServiceClient) Exec(ctx context.Context, in *ExecRequest, opts
return out, nil
}
func (c *containerServiceClient) Pty(ctx context.Context, in *PtyRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) {
out := new(google_protobuf.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.services.ContainerService/Pty", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *containerServiceClient) CloseStdin(ctx context.Context, in *CloseStdinRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) {
out := new(google_protobuf.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.services.ContainerService/CloseStdin", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for ContainerService service
type ContainerServiceServer interface {
@ -314,6 +358,8 @@ type ContainerServiceServer interface {
Kill(context.Context, *KillRequest) (*google_protobuf.Empty, error)
Events(*EventsRequest, ContainerService_EventsServer) error
Exec(context.Context, *ExecRequest) (*ExecResponse, error)
Pty(context.Context, *PtyRequest) (*google_protobuf.Empty, error)
CloseStdin(context.Context, *CloseStdinRequest) (*google_protobuf.Empty, error)
}
func RegisterContainerServiceServer(s *grpc.Server, srv ContainerServiceServer) {
@ -467,6 +513,42 @@ func _ContainerService_Exec_Handler(srv interface{}, ctx context.Context, dec fu
return interceptor(ctx, in, info, handler)
}
func _ContainerService_Pty_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PtyRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ContainerServiceServer).Pty(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.ContainerService/Pty",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ContainerServiceServer).Pty(ctx, req.(*PtyRequest))
}
return interceptor(ctx, in, info, handler)
}
func _ContainerService_CloseStdin_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(CloseStdinRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ContainerServiceServer).CloseStdin(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.ContainerService/CloseStdin",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ContainerServiceServer).CloseStdin(ctx, req.(*CloseStdinRequest))
}
return interceptor(ctx, in, info, handler)
}
var _ContainerService_serviceDesc = grpc.ServiceDesc{
ServiceName: "containerd.v1.services.ContainerService",
HandlerType: (*ContainerServiceServer)(nil),
@ -499,6 +581,14 @@ var _ContainerService_serviceDesc = grpc.ServiceDesc{
MethodName: "Exec",
Handler: _ContainerService_Exec_Handler,
},
{
MethodName: "Pty",
Handler: _ContainerService_Pty_Handler,
},
{
MethodName: "CloseStdin",
Handler: _ContainerService_CloseStdin_Handler,
},
},
Streams: []grpc.StreamDesc{
{
@ -910,6 +1000,74 @@ func (m *ExecResponse) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func (m *PtyRequest) 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 *PtyRequest) 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.Pid != 0 {
dAtA[i] = 0x10
i++
i = encodeVarintExecution(dAtA, i, uint64(m.Pid))
}
if m.Width != 0 {
dAtA[i] = 0x18
i++
i = encodeVarintExecution(dAtA, i, uint64(m.Width))
}
if m.Height != 0 {
dAtA[i] = 0x20
i++
i = encodeVarintExecution(dAtA, i, uint64(m.Height))
}
return i, nil
}
func (m *CloseStdinRequest) 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 *CloseStdinRequest) 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.Pid != 0 {
dAtA[i] = 0x10
i++
i = encodeVarintExecution(dAtA, i, uint64(m.Pid))
}
return i, nil
}
func encodeFixed64Execution(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
@ -1110,6 +1268,38 @@ func (m *ExecResponse) Size() (n int) {
return n
}
func (m *PtyRequest) Size() (n int) {
var l int
_ = l
l = len(m.ID)
if l > 0 {
n += 1 + l + sovExecution(uint64(l))
}
if m.Pid != 0 {
n += 1 + sovExecution(uint64(m.Pid))
}
if m.Width != 0 {
n += 1 + sovExecution(uint64(m.Width))
}
if m.Height != 0 {
n += 1 + sovExecution(uint64(m.Height))
}
return n
}
func (m *CloseStdinRequest) Size() (n int) {
var l int
_ = l
l = len(m.ID)
if l > 0 {
n += 1 + l + sovExecution(uint64(l))
}
if m.Pid != 0 {
n += 1 + sovExecution(uint64(m.Pid))
}
return n
}
func sovExecution(x uint64) (n int) {
for {
n++
@ -1257,6 +1447,30 @@ func (this *ExecResponse) String() string {
}, "")
return s
}
func (this *PtyRequest) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&PtyRequest{`,
`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
`Width:` + fmt.Sprintf("%v", this.Width) + `,`,
`Height:` + fmt.Sprintf("%v", this.Height) + `,`,
`}`,
}, "")
return s
}
func (this *CloseStdinRequest) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&CloseStdinRequest{`,
`ID:` + fmt.Sprintf("%v", this.ID) + `,`,
`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
`}`,
}, "")
return s
}
func valueToStringExecution(v interface{}) string {
rv := reflect.ValueOf(v)
if rv.IsNil() {
@ -2564,6 +2778,240 @@ func (m *ExecResponse) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *PtyRequest) 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: PtyRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: PtyRequest: 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 Pid", wireType)
}
m.Pid = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowExecution
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Pid |= (uint32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 3:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Width", wireType)
}
m.Width = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowExecution
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Width |= (uint32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
case 4:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Height", wireType)
}
m.Height = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowExecution
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Height |= (uint32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
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 *CloseStdinRequest) 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: CloseStdinRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: CloseStdinRequest: 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 Pid", wireType)
}
m.Pid = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowExecution
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Pid |= (uint32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
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 skipExecution(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0
@ -2674,49 +3122,53 @@ func init() {
}
var fileDescriptorExecution = []byte{
// 691 bytes of a gzipped FileDescriptorProto
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}

14
api/services/execution/execution.proto
View file

@ -17,6 +17,8 @@ service ContainerService {
rpc Kill(KillRequest) returns (google.protobuf.Empty);
rpc Events(EventsRequest) returns (stream containerd.v1.types.Event);
rpc Exec(ExecRequest) returns (ExecResponse);
rpc Pty(PtyRequest) returns (google.protobuf.Empty);
rpc CloseStdin(CloseStdinRequest) returns (google.protobuf.Empty);
}
message CreateRequest {
@ -80,3 +82,15 @@ message ExecRequest {
message ExecResponse {
uint32 pid = 1;
}
message PtyRequest {
string id = 1 [(gogoproto.customname) = "ID"];
uint32 pid = 2;
uint32 width = 3;
uint32 height = 4;
}
message CloseStdinRequest {
string id = 1 [(gogoproto.customname) = "ID"];
uint32 pid = 2;
}

540
api/services/shim/shim.pb.go
View file

@ -25,6 +25,7 @@
ResumeRequest
ExitRequest
KillRequest
CloseStdinRequest
*/
package shim
@ -202,6 +203,14 @@ func (m *KillRequest) Reset() { *m = KillRequest{} }
func (*KillRequest) ProtoMessage() {}
func (*KillRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{15} }
type CloseStdinRequest struct {
Pid uint32 `protobuf:"varint,1,opt,name=pid,proto3" json:"pid,omitempty"`
}
func (m *CloseStdinRequest) Reset() { *m = CloseStdinRequest{} }
func (*CloseStdinRequest) ProtoMessage() {}
func (*CloseStdinRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{16} }
func init() {
proto.RegisterType((*CreateRequest)(nil), "containerd.v1.services.shim.CreateRequest")
proto.RegisterType((*CreateResponse)(nil), "containerd.v1.services.shim.CreateResponse")
@ -219,6 +228,7 @@ func init() {
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")
proto.RegisterType((*CloseStdinRequest)(nil), "containerd.v1.services.shim.CloseStdinRequest")
}
// Reference imports to suppress errors if they are not otherwise used.
@ -232,17 +242,35 @@ const _ = grpc.SupportPackageIsVersion4
// Client API for Shim service
type ShimClient interface {
// container rpcs
// Create will create the container within the runtime. At this point in time the container
// should be created along with its resources without its user defined process being started
Create(ctx context.Context, in *CreateRequest, opts ...grpc.CallOption) (*CreateResponse, error)
// Start executes the user defined process of the container
Start(ctx context.Context, in *StartRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// Delete removes the container and its resources from the runtime after it has been stopped
Delete(ctx context.Context, in *DeleteRequest, opts ...grpc.CallOption) (*DeleteResponse, error)
Exec(ctx context.Context, in *ExecRequest, opts ...grpc.CallOption) (*ExecResponse, error)
Pty(ctx context.Context, in *PtyRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (Shim_EventsClient, error)
// State returns the state of the container that the shim owns and its additional processes
State(ctx context.Context, in *StateRequest, opts ...grpc.CallOption) (*StateResponse, error)
// Pause pauses the container
Pause(ctx context.Context, in *PauseRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// Resume resumes a paused container back into a running state
Resume(ctx context.Context, in *ResumeRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// shim rpcs
// Exit causes the shim to reap all remaining processes and exit
Exit(ctx context.Context, in *ExitRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// Events returns all events for the container owned by the shim including
// additional processes being added and removed and state changes
Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (Shim_EventsClient, error)
// process rpcs
// Kill kills a container process owned by the shim
Kill(ctx context.Context, in *KillRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// Exec adds and additional process to the container
Exec(ctx context.Context, in *ExecRequest, opts ...grpc.CallOption) (*ExecResponse, error)
// Pty handles resizing the pty/console for a container
Pty(ctx context.Context, in *PtyRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
// CloseStdin closes the STDIN for a process that is owned by the shim
CloseStdin(ctx context.Context, in *CloseStdinRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error)
}
type shimClient struct {
@ -280,56 +308,6 @@ func (c *shimClient) Delete(ctx context.Context, in *DeleteRequest, opts ...grpc
return out, nil
}
func (c *shimClient) Exec(ctx context.Context, in *ExecRequest, opts ...grpc.CallOption) (*ExecResponse, error) {
out := new(ExecResponse)
err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/Exec", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *shimClient) Pty(ctx context.Context, in *PtyRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
out := new(google_protobuf1.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/Pty", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *shimClient) Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (Shim_EventsClient, error) {
stream, err := grpc.NewClientStream(ctx, &_Shim_serviceDesc.Streams[0], c.cc, "/containerd.v1.services.shim.Shim/Events", opts...)
if err != nil {
return nil, err
}
x := &shimEventsClient{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 Shim_EventsClient interface {
Recv() (*containerd_v1_types1.Event, error)
grpc.ClientStream
}
type shimEventsClient struct {
grpc.ClientStream
}
func (x *shimEventsClient) Recv() (*containerd_v1_types1.Event, error) {
m := new(containerd_v1_types1.Event)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
func (c *shimClient) State(ctx context.Context, in *StateRequest, opts ...grpc.CallOption) (*StateResponse, error) {
out := new(StateResponse)
err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/State", in, out, c.cc, opts...)
@ -366,6 +344,38 @@ func (c *shimClient) Exit(ctx context.Context, in *ExitRequest, opts ...grpc.Cal
return out, nil
}
func (c *shimClient) Events(ctx context.Context, in *EventsRequest, opts ...grpc.CallOption) (Shim_EventsClient, error) {
stream, err := grpc.NewClientStream(ctx, &_Shim_serviceDesc.Streams[0], c.cc, "/containerd.v1.services.shim.Shim/Events", opts...)
if err != nil {
return nil, err
}
x := &shimEventsClient{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 Shim_EventsClient interface {
Recv() (*containerd_v1_types1.Event, error)
grpc.ClientStream
}
type shimEventsClient struct {
grpc.ClientStream
}
func (x *shimEventsClient) Recv() (*containerd_v1_types1.Event, error) {
m := new(containerd_v1_types1.Event)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, 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...)
@ -375,20 +385,65 @@ func (c *shimClient) Kill(ctx context.Context, in *KillRequest, opts ...grpc.Cal
return out, nil
}
func (c *shimClient) Exec(ctx context.Context, in *ExecRequest, opts ...grpc.CallOption) (*ExecResponse, error) {
out := new(ExecResponse)
err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/Exec", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *shimClient) Pty(ctx context.Context, in *PtyRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
out := new(google_protobuf1.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/Pty", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *shimClient) CloseStdin(ctx context.Context, in *CloseStdinRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) {
out := new(google_protobuf1.Empty)
err := grpc.Invoke(ctx, "/containerd.v1.services.shim.Shim/CloseStdin", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for Shim service
type ShimServer interface {
// container rpcs
// Create will create the container within the runtime. At this point in time the container
// should be created along with its resources without its user defined process being started
Create(context.Context, *CreateRequest) (*CreateResponse, error)
// Start executes the user defined process of the container
Start(context.Context, *StartRequest) (*google_protobuf1.Empty, error)
// Delete removes the container and its resources from the runtime after it has been stopped
Delete(context.Context, *DeleteRequest) (*DeleteResponse, error)
Exec(context.Context, *ExecRequest) (*ExecResponse, error)
Pty(context.Context, *PtyRequest) (*google_protobuf1.Empty, error)
Events(*EventsRequest, Shim_EventsServer) error
// State returns the state of the container that the shim owns and its additional processes
State(context.Context, *StateRequest) (*StateResponse, error)
// Pause pauses the container
Pause(context.Context, *PauseRequest) (*google_protobuf1.Empty, error)
// Resume resumes a paused container back into a running state
Resume(context.Context, *ResumeRequest) (*google_protobuf1.Empty, error)
// shim rpcs
// Exit causes the shim to reap all remaining processes and exit
Exit(context.Context, *ExitRequest) (*google_protobuf1.Empty, error)
// Events returns all events for the container owned by the shim including
// additional processes being added and removed and state changes
Events(*EventsRequest, Shim_EventsServer) error
// process rpcs
// Kill kills a container process owned by the shim
Kill(context.Context, *KillRequest) (*google_protobuf1.Empty, error)
// Exec adds and additional process to the container
Exec(context.Context, *ExecRequest) (*ExecResponse, error)
// Pty handles resizing the pty/console for a container
Pty(context.Context, *PtyRequest) (*google_protobuf1.Empty, error)
// CloseStdin closes the STDIN for a process that is owned by the shim
CloseStdin(context.Context, *CloseStdinRequest) (*google_protobuf1.Empty, error)
}
func RegisterShimServer(s *grpc.Server, srv ShimServer) {
@ -449,63 +504,6 @@ func _Shim_Delete_Handler(srv interface{}, ctx context.Context, dec func(interfa
return interceptor(ctx, in, info, handler)
}
func _Shim_Exec_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(ExecRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ShimServer).Exec(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.shim.Shim/Exec",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ShimServer).Exec(ctx, req.(*ExecRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Shim_Pty_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PtyRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ShimServer).Pty(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.shim.Shim/Pty",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ShimServer).Pty(ctx, req.(*PtyRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Shim_Events_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(EventsRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(ShimServer).Events(m, &shimEventsServer{stream})
}
type Shim_EventsServer interface {
Send(*containerd_v1_types1.Event) error
grpc.ServerStream
}
type shimEventsServer struct {
grpc.ServerStream
}
func (x *shimEventsServer) Send(m *containerd_v1_types1.Event) error {
return x.ServerStream.SendMsg(m)
}
func _Shim_State_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(StateRequest)
if err := dec(in); err != nil {
@ -578,6 +576,27 @@ func _Shim_Exit_Handler(srv interface{}, ctx context.Context, dec func(interface
return interceptor(ctx, in, info, handler)
}
func _Shim_Events_Handler(srv interface{}, stream grpc.ServerStream) error {
m := new(EventsRequest)
if err := stream.RecvMsg(m); err != nil {
return err
}
return srv.(ShimServer).Events(m, &shimEventsServer{stream})
}
type Shim_EventsServer interface {
Send(*containerd_v1_types1.Event) error
grpc.ServerStream
}
type shimEventsServer struct {
grpc.ServerStream
}
func (x *shimEventsServer) Send(m *containerd_v1_types1.Event) error {
return x.ServerStream.SendMsg(m)
}
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 {
@ -596,6 +615,60 @@ func _Shim_Kill_Handler(srv interface{}, ctx context.Context, dec func(interface
return interceptor(ctx, in, info, handler)
}
func _Shim_Exec_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(ExecRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ShimServer).Exec(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.shim.Shim/Exec",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ShimServer).Exec(ctx, req.(*ExecRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Shim_Pty_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(PtyRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ShimServer).Pty(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.shim.Shim/Pty",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ShimServer).Pty(ctx, req.(*PtyRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Shim_CloseStdin_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(CloseStdinRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ShimServer).CloseStdin(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.v1.services.shim.Shim/CloseStdin",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ShimServer).CloseStdin(ctx, req.(*CloseStdinRequest))
}
return interceptor(ctx, in, info, handler)
}
var _Shim_serviceDesc = grpc.ServiceDesc{
ServiceName: "containerd.v1.services.shim.Shim",
HandlerType: (*ShimServer)(nil),
@ -612,14 +685,6 @@ var _Shim_serviceDesc = grpc.ServiceDesc{
MethodName: "Delete",
Handler: _Shim_Delete_Handler,
},
{
MethodName: "Exec",
Handler: _Shim_Exec_Handler,
},
{
MethodName: "Pty",
Handler: _Shim_Pty_Handler,
},
{
MethodName: "State",
Handler: _Shim_State_Handler,
@ -640,6 +705,18 @@ var _Shim_serviceDesc = grpc.ServiceDesc{
MethodName: "Kill",
Handler: _Shim_Kill_Handler,
},
{
MethodName: "Exec",
Handler: _Shim_Exec_Handler,
},
{
MethodName: "Pty",
Handler: _Shim_Pty_Handler,
},
{
MethodName: "CloseStdin",
Handler: _Shim_CloseStdin_Handler,
},
},
Streams: []grpc.StreamDesc{
{
@ -1150,6 +1227,29 @@ func (m *KillRequest) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func (m *CloseStdinRequest) 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 *CloseStdinRequest) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if m.Pid != 0 {
dAtA[i] = 0x8
i++
i = encodeVarintShim(dAtA, i, uint64(m.Pid))
}
return i, nil
}
func encodeFixed64Shim(dAtA []byte, offset int, v uint64) int {
dAtA[offset] = uint8(v)
dAtA[offset+1] = uint8(v >> 8)
@ -1388,6 +1488,15 @@ func (m *KillRequest) Size() (n int) {
return n
}
func (m *CloseStdinRequest) Size() (n int) {
var l int
_ = l
if m.Pid != 0 {
n += 1 + sovShim(uint64(m.Pid))
}
return n
}
func sovShim(x uint64) (n int) {
for {
n++
@ -1577,6 +1686,16 @@ func (this *KillRequest) String() string {
}, "")
return s
}
func (this *CloseStdinRequest) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&CloseStdinRequest{`,
`Pid:` + fmt.Sprintf("%v", this.Pid) + `,`,
`}`,
}, "")
return s
}
func valueToStringShim(v interface{}) string {
rv := reflect.ValueOf(v)
if rv.IsNil() {
@ -3155,6 +3274,75 @@ func (m *KillRequest) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *CloseStdinRequest) 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: CloseStdinRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: CloseStdinRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Pid", wireType)
}
m.Pid = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowShim
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Pid |= (uint32(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
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
@ -3265,58 +3453,60 @@ func init() {
}
var fileDescriptorShim = []byte{
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0x0a, 0x60, 0x2a, 0x96, 0x8d, 0xb4, 0xca, 0xbe, 0x7f, 0xa5, 0x91, 0x58, 0xa8, 0xab, 0x1c, 0xac,
0x1d, 0xd9, 0xdf, 0x82, 0xd0, 0xf9, 0x42, 0xdf, 0xe6, 0x60, 0xe3, 0xf9, 0x0f, 0xc0, 0x39, 0xbf,
0x26, 0xa9, 0xe0, 0xe5, 0xe0, 0xf4, 0x20, 0xab, 0xb9, 0xf9, 0x7f, 0x5a, 0xe0, 0x98, 0x80, 0x81,
0xf4, 0xbe, 0x9b, 0x60, 0x20, 0x76, 0x6b, 0x88, 0xcf, 0x24, 0xd9, 0x6a, 0xc4, 0x92, 0xec, 0xc3,
0xc9, 0xc9, 0x9d, 0x22, 0xd4, 0x33, 0xc7, 0x26, 0x15, 0x7d, 0x01, 0x07, 0x59, 0xce, 0x66, 0x84,
0x73, 0xc2, 0xdd, 0x3d, 0x25, 0xde, 0x8f, 0xee, 0x3c, 0x37, 0xd5, 0x59, 0xb8, 0x4e, 0x97, 0x4d,
0x4d, 0xc3, 0x82, 0x57, 0x4d, 0x3d, 0x00, 0x07, 0x13, 0x5e, 0x24, 0x55, 0xc0, 0x91, 0xba, 0xa2,
0x95, 0x7a, 0x5f, 0xc2, 0xe0, 0x7b, 0x1a, 0xc7, 0xf5, 0xee, 0xdb, 0x9c, 0xce, 0x4b, 0x91, 0x39,
0xd8, 0x78, 0xb2, 0xb3, 0x30, 0x8e, 0x55, 0xbb, 0x7d, 0x2c, 0xcd, 0xdb, 0xbd, 0xfa, 0x9f, 0xc0,
0x87, 0x2f, 0x62, 0xc6, 0xc9, 0x85, 0x94, 0x5f, 0xe3, 0xd4, 0x26, 0xff, 0xed, 0x43, 0xef, 0x62,
0x41, 0x13, 0x14, 0x82, 0xad, 0x97, 0x0d, 0x3d, 0x09, 0xb6, 0xbc, 0xb9, 0xc1, 0xc6, 0xeb, 0xe4,
0x7d, 0xb6, 0x53, 0xae, 0x19, 0xe0, 0x77, 0xb0, 0xa7, 0x76, 0x15, 0x3d, 0xde, 0x7a, 0x6a, 0x7d,
0x9f, 0xbd, 0xe3, 0x5b, 0xca, 0x3f, 0x97, 0x0f, 0xb9, 0x84, 0xab, 0x97, 0xb8, 0x05, 0xee, 0xc6,
0x63, 0xd0, 0x02, 0xf7, 0xc6, 0xab, 0xf0, 0xb3, 0x82, 0x2b, 0x48, 0x3b, 0xdc, 0xfa, 0x82, 0x27,
0xbb, 0xa4, 0xd6, 0x74, 0x28, 0x71, 0xb4, 0xd4, 0x5f, 0x17, 0x50, 0x23, 0x1d, 0xaf, 0xc0, 0xd6,
0xc2, 0x6a, 0xa1, 0x63, 0x43, 0x7d, 0x8d, 0xd5, 0xbe, 0x85, 0x9e, 0x54, 0x25, 0x1a, 0x6d, 0xad,
0xb5, 0x26, 0xdc, 0xc6, 0x4a, 0x18, 0x6c, 0xbd, 0xe6, 0x2d, 0xb8, 0x36, 0xde, 0x02, 0xef, 0xee,
0x3f, 0x07, 0x95, 0xf3, 0xb9, 0x25, 0xd1, 0xc9, 0x25, 0x69, 0x41, 0xb7, 0xb6, 0x47, 0x8d, 0xe8,
0x7e, 0x92, 0x7d, 0x92, 0x59, 0x6b, 0x9f, 0xd5, 0xc3, 0xef, 0x3d, 0xde, 0x21, 0xd3, 0x8c, 0xf7,
0x1b, 0xe8, 0x4e, 0xc5, 0x12, 0x7d, 0xba, 0x7d, 0xb8, 0xd5, 0x8b, 0xda, 0x08, 0xf2, 0x47, 0x80,
0x7a, 0x91, 0x51, 0xb0, 0x7d, 0xe1, 0x6e, 0x6e, 0x7c, 0x53, 0xd5, 0xe7, 0xee, 0xdb, 0x77, 0xc3,
0x7b, 0x7f, 0xbf, 0x1b, 0xde, 0xfb, 0x6d, 0x35, 0xb4, 0xde, 0xae, 0x86, 0xd6, 0x5f, 0xab, 0xa1,
0xf5, 0xef, 0x6a, 0x68, 0x5d, 0xda, 0x2a, 0xf3, 0xd9, 0xff, 0x01, 0x00, 0x00, 0xff, 0xff, 0x55,
0x1a, 0x40, 0xbc, 0xb9, 0x09, 0x00, 0x00,
}

17
api/services/shim/shim.proto
View file

@ -8,18 +8,24 @@ import "gogoproto/gogo.proto";
import "github.com/containerd/containerd/api/types/mount/mount.proto";
import "github.com/containerd/containerd/api/types/container/container.proto";
// Shim service is launched for each container and is responsible for owning the IO
// for the container and its additional processes. The shim is also the parent of
// each container and allows reattaching to the IO and receiving the exit status
// for the container processes.
service Shim {
rpc Create(CreateRequest) returns (CreateResponse);
rpc Start(StartRequest) returns (google.protobuf.Empty);
rpc Delete(DeleteRequest) returns (DeleteResponse);
rpc Exec(ExecRequest) returns (ExecResponse);
rpc Pty(PtyRequest) returns (google.protobuf.Empty);
rpc Events(EventsRequest) returns (stream containerd.v1.types.Event);
rpc State(StateRequest) returns (StateResponse);
rpc Pause(PauseRequest) returns (google.protobuf.Empty);
rpc Resume(ResumeRequest) returns (google.protobuf.Empty);
rpc Exit(ExitRequest) returns (google.protobuf.Empty);
rpc Events(EventsRequest) returns (stream containerd.v1.types.Event);
rpc Kill(KillRequest) returns (google.protobuf.Empty);
rpc Exec(ExecRequest) returns (ExecResponse);
rpc Pty(PtyRequest) returns (google.protobuf.Empty);
rpc CloseStdin(CloseStdinRequest) returns (google.protobuf.Empty);
}
message CreateRequest {
@ -87,7 +93,6 @@ message StateResponse {
repeated containerd.v1.types.Process processes = 5;
}
message PauseRequest {
}
@ -102,3 +107,7 @@ message KillRequest {
bool all = 2;
uint32 pid = 3;
}
message CloseStdinRequest {
uint32 pid = 1;
}

10
cmd/ctr/exec.go
View file

@ -4,6 +4,7 @@ import (
gocontext "context"
"os"
"github.com/Sirupsen/logrus"
"github.com/containerd/containerd/api/services/execution"
"github.com/crosbymichael/console"
"github.com/urfave/cli"
@ -49,8 +50,9 @@ var execCommand = cli.Command{
if err != nil {
return err
}
var con console.Console
if request.Terminal {
con := console.Current()
con = console.Current()
defer con.Reset()
if err := con.SetRaw(); err != nil {
return err
@ -64,6 +66,12 @@ var execCommand = cli.Command{
if err != nil {
return err
}
if request.Terminal {
if err := handleConsoleResize(ctx, containers, id, response.Pid, con); err != nil {
logrus.WithError(err).Error("console resize")
}
}
// Ensure we read all io only if container started successfully.
defer fwg.Wait()

48
cmd/ctr/run.go
View file

@ -5,11 +5,14 @@ import (
"encoding/json"
"fmt"
"os"
"os/signal"
"runtime"
"syscall"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"github.com/Sirupsen/logrus"
"github.com/containerd/containerd/api/services/execution"
rootfsapi "github.com/containerd/containerd/api/services/rootfs"
"github.com/containerd/containerd/images"
@ -143,8 +146,9 @@ var runCommand = cli.Command{
if resp != nil {
create.Rootfs = resp.Mounts
}
var con console.Console
if create.Terminal {
con := console.Current()
con = console.Current()
defer con.Reset()
if err := con.SetRaw(); err != nil {
return err
@ -159,12 +163,16 @@ var runCommand = cli.Command{
if err != nil {
return err
}
if create.Terminal {
if err := handleConsoleResize(ctx, containers, response.ID, response.Pid, con); err != nil {
logrus.WithError(err).Error("console resize")
}
}
if _, err := containers.Start(ctx, &execution.StartRequest{
ID: response.ID,
}); err != nil {
return err
}
// Ensure we read all io only if container started successfully.
defer fwg.Wait()
@ -183,3 +191,39 @@ var runCommand = cli.Command{
return nil
},
}
func handleConsoleResize(ctx gocontext.Context, service execution.ContainerServiceClient, id string, pid uint32, con console.Console) error {
// do an initial resize of the console
size, err := con.Size()
if err != nil {
return err
}
if _, err := service.Pty(ctx, &execution.PtyRequest{
ID: id,
Pid: pid,
Width: uint32(size.Width),
Height: uint32(size.Height),
}); err != nil {
return err
}
s := make(chan os.Signal, 16)
signal.Notify(s, syscall.SIGWINCH)
go func() {
for range s {
size, err := con.Size()
if err != nil {
logrus.WithError(err).Error("get pty size")
continue
}
if _, err := service.Pty(ctx, &execution.PtyRequest{
ID: id,
Pid: pid,
Width: uint32(size.Width),
Height: uint32(size.Height),
}); err != nil {
logrus.WithError(err).Error("resize pty")
}
}
}()
return nil
}

9
container.go
View file

@ -18,6 +18,10 @@ type Container interface {
Kill(context.Context, uint32, bool) error
// Exec adds a process into the container
Exec(context.Context, ExecOpts) (Process, error)
// Pty resizes the processes pty/console
Pty(context.Context, uint32, ConsoleSize) error
// CloseStdin closes the processes stdin
CloseStdin(context.Context, uint32) error
}
type LinuxContainer interface {
@ -39,6 +43,11 @@ type Process interface {
Kill(context.Context, uint32, bool) error
}
type ConsoleSize struct {
Width uint32
Height uint32
}
type Status int
const (

22
linux/container.go
View file

@ -24,6 +24,13 @@ func (s State) Status() containerd.Status {
return s.status
}
func newContainer(id string, shim shim.ShimClient) *Container {
return &Container{
id: id,
shim: shim,
}
}
type Container struct {
id string
@ -103,6 +110,21 @@ func (c *Container) Exec(ctx context.Context, opts containerd.ExecOpts) (contain
c: c,
}, nil
}
func (c *Container) Pty(ctx context.Context, pid uint32, size containerd.ConsoleSize) error {
_, err := c.shim.Pty(ctx, &shim.PtyRequest{
Pid: pid,
Width: size.Width,
Height: size.Height,
})
return err
}
func (c *Container) CloseStdin(ctx context.Context, pid uint32) error {
_, err := c.shim.CloseStdin(ctx, &shim.CloseStdinRequest{
Pid: pid,
})
return err
}
type Process struct {
pid int

5
linux/runtime.go
View file

@ -108,10 +108,7 @@ func (r *Runtime) Create(ctx context.Context, id string, opts containerd.CreateO
os.RemoveAll(path)
return nil, err
}
c := &Container{
id: id,
shim: s,
}
c := newContainer(id, s)
// after the container is create add it to the monitor
if err := r.monitor.Monitor(c); err != nil {
return nil, err

4
linux/shim/client.go
View file

@ -74,6 +74,10 @@ func (c *client) Exit(ctx context.Context, in *shimapi.ExitRequest, opts ...grpc
return empty, nil
}
func (c *client) CloseStdin(ctx context.Context, in *shimapi.CloseStdinRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) {
return c.s.CloseStdin(ctx, in)
}
type events struct {
c chan *container.Event
ctx context.Context

6
linux/shim/exec.go
View file

@ -28,6 +28,7 @@ type execProcess struct {
status int
pid int
closers []io.Closer
stdin io.Closer
parent *initProcess
}
@ -78,6 +79,7 @@ func newExecProcess(context context.Context, path string, r *shimapi.ExecRequest
return nil, err
}
e.closers = append(e.closers, sc)
e.stdin = sc
}
if socket != nil {
console, err := socket.ReceiveMaster()
@ -145,3 +147,7 @@ func (e *execProcess) Resize(ws console.WinSize) error {
func (e *execProcess) Signal(sig int) error {
return syscall.Kill(e.pid, syscall.Signal(sig))
}
func (e *execProcess) Stdin() io.Closer {
return e.stdin
}

6
linux/shim/init.go
View file

@ -28,6 +28,7 @@ type initProcess struct {
status int
pid int
closers []io.Closer
stdin io.Closer
}
func newInitProcess(context context.Context, path string, r *shimapi.CreateRequest) (*initProcess, error) {
@ -83,6 +84,7 @@ func newInitProcess(context context.Context, path string, r *shimapi.CreateReque
if err != nil {
return nil, err
}
p.stdin = sc
p.closers = append(p.closers, sc)
}
if socket != nil {
@ -175,3 +177,7 @@ func (p *initProcess) killAll(context context.Context) error {
func (p *initProcess) Signal(sig int) error {
return syscall.Kill(p.pid, syscall.Signal(sig))
}
func (p *initProcess) Stdin() io.Closer {
return p.stdin
}

3
linux/shim/process.go
View file

@ -4,6 +4,7 @@ package shim
import (
"context"
"io"
"github.com/crosbymichael/console"
)
@ -21,4 +22,6 @@ type process interface {
Delete(context.Context) error
// Signal directly signals the process
Signal(int) error
// Stdin returns the process STDIN
Stdin() io.Closer
}

11
linux/shim/service.go
View file

@ -233,6 +233,17 @@ func (s *Service) Kill(ctx context.Context, r *shimapi.KillRequest) (*google_pro
return empty, nil
}
func (s *Service) CloseStdin(ctx context.Context, r *shimapi.CloseStdinRequest) (*google_protobuf.Empty, error) {
p, ok := s.processes[int(r.Pid)]
if !ok {
return nil, fmt.Errorf("process does not exist %d", r.Pid)
}
if err := p.Stdin().Close(); err != nil {
return nil, err
}
return empty, nil
}
func (s *Service) waitExit(p process, pid int, cmd *reaper.Cmd) {
status := <-cmd.ExitCh
p.Exited(status)

25
services/execution/service.go
View file

@ -226,6 +226,31 @@ func (s *Service) Exec(ctx context.Context, r *api.ExecRequest) (*api.ExecRespon
}, nil
}
func (s *Service) Pty(ctx context.Context, r *api.PtyRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
if err != nil {
return nil, err
}
if err := c.Pty(ctx, r.Pid, containerd.ConsoleSize{
Width: r.Width,
Height: r.Height,
}); err != nil {
return nil, err
}
return empty, nil
}
func (s *Service) CloseStdin(ctx context.Context, r *api.CloseStdinRequest) (*google_protobuf.Empty, error) {
c, err := s.getContainer(r.ID)
if err != nil {
return nil, err
}
if err := c.CloseStdin(ctx, r.Pid); err != nil {
return nil, err
}
return empty, nil
}
func (s *Service) getContainer(id string) (containerd.Container, error) {
s.mu.Lock()
c, ok := s.containers[id]