From 63878d14ea4d4f40db1daa154293ce961d8c7a2f Mon Sep 17 00:00:00 2001 From: Michael Crosby Date: Mon, 31 Jul 2017 11:26:21 -0400 Subject: [PATCH] Add create/start to exec processes in shim This splits up the create and start of an exec process in the shim to have two separate steps like the initial process. This will allow better state reporting for individual process along with a more robust wait for execs. Signed-off-by: Michael Crosby --- api/services/events/v1/container.pb.go | 1 + api/services/events/v1/task.pb.go | 280 ++++++++++++--- api/services/events/v1/task.proto | 5 + cmd/ctr/shim.go | 11 +- linux/shim/exec.go | 142 ++++---- linux/shim/local.go | 4 +- linux/shim/process.go | 2 + linux/shim/service.go | 47 ++- linux/shim/v1/shim.pb.go | 479 +++++++++++++++++++------ linux/shim/v1/shim.proto | 14 +- linux/task.go | 13 +- 11 files changed, 749 insertions(+), 249 deletions(-) diff --git a/api/services/events/v1/container.pb.go b/api/services/events/v1/container.pb.go index b76b1d765..75ce359b6 100644 --- a/api/services/events/v1/container.pb.go +++ b/api/services/events/v1/container.pb.go @@ -39,6 +39,7 @@ TaskExit TaskOOM TaskExecAdded + TaskExecStarted TaskPaused TaskResumed TaskCheckpointed diff --git a/api/services/events/v1/task.pb.go b/api/services/events/v1/task.pb.go index 53f6335e0..97faa3808 100644 --- a/api/services/events/v1/task.pb.go +++ b/api/services/events/v1/task.pb.go @@ -94,20 +94,29 @@ func (*TaskOOM) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{ type TaskExecAdded struct { ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"` ExecID string `protobuf:"bytes,2,opt,name=exec_id,json=execId,proto3" json:"exec_id,omitempty"` - Pid uint32 `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"` } func (m *TaskExecAdded) Reset() { *m = TaskExecAdded{} } func (*TaskExecAdded) ProtoMessage() {} func (*TaskExecAdded) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{6} } +type TaskExecStarted struct { + ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"` + ExecID string `protobuf:"bytes,2,opt,name=exec_id,json=execId,proto3" json:"exec_id,omitempty"` + Pid uint32 `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"` +} + +func (m *TaskExecStarted) Reset() { *m = TaskExecStarted{} } +func (*TaskExecStarted) ProtoMessage() {} +func (*TaskExecStarted) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{7} } + type TaskPaused struct { ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"` } func (m *TaskPaused) Reset() { *m = TaskPaused{} } func (*TaskPaused) ProtoMessage() {} -func (*TaskPaused) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{7} } +func (*TaskPaused) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{8} } type TaskResumed struct { ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"` @@ -115,7 +124,7 @@ type TaskResumed struct { func (m *TaskResumed) Reset() { *m = TaskResumed{} } func (*TaskResumed) ProtoMessage() {} -func (*TaskResumed) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{8} } +func (*TaskResumed) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{9} } type TaskCheckpointed struct { ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"` @@ -124,7 +133,7 @@ type TaskCheckpointed struct { func (m *TaskCheckpointed) Reset() { *m = TaskCheckpointed{} } func (*TaskCheckpointed) ProtoMessage() {} -func (*TaskCheckpointed) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{9} } +func (*TaskCheckpointed) Descriptor() ([]byte, []int) { return fileDescriptorTask, []int{10} } func init() { proto.RegisterType((*TaskCreate)(nil), "containerd.services.events.v1.TaskCreate") @@ -134,6 +143,7 @@ func init() { proto.RegisterType((*TaskExit)(nil), "containerd.services.events.v1.TaskExit") proto.RegisterType((*TaskOOM)(nil), "containerd.services.events.v1.TaskOOM") proto.RegisterType((*TaskExecAdded)(nil), "containerd.services.events.v1.TaskExecAdded") + proto.RegisterType((*TaskExecStarted)(nil), "containerd.services.events.v1.TaskExecStarted") proto.RegisterType((*TaskPaused)(nil), "containerd.services.events.v1.TaskPaused") proto.RegisterType((*TaskResumed)(nil), "containerd.services.events.v1.TaskResumed") proto.RegisterType((*TaskCheckpointed)(nil), "containerd.services.events.v1.TaskCheckpointed") @@ -263,6 +273,22 @@ func (m *TaskExecAdded) Field(fieldpath []string) (string, bool) { return "", false } + switch fieldpath[0] { + case "container_id": + return string(m.ContainerID), len(m.ContainerID) > 0 + case "exec_id": + return string(m.ExecID), len(m.ExecID) > 0 + } + return "", false +} + +// Field returns the value for the given fieldpath as a string, if defined. +// If the value is not defined, the second value will be false. +func (m *TaskExecStarted) Field(fieldpath []string) (string, bool) { + if len(fieldpath) == 0 { + return "", false + } + switch fieldpath[0] { // unhandled: pid case "container_id": @@ -579,6 +605,36 @@ func (m *TaskExecAdded) Marshal() (dAtA []byte, err error) { } func (m *TaskExecAdded) 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) + } + if len(m.ExecID) > 0 { + dAtA[i] = 0x12 + i++ + i = encodeVarintTask(dAtA, i, uint64(len(m.ExecID))) + i += copy(dAtA[i:], m.ExecID) + } + return i, nil +} + +func (m *TaskExecStarted) 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 *TaskExecStarted) MarshalTo(dAtA []byte) (int, error) { var i int _ = i var l int @@ -824,6 +880,20 @@ func (m *TaskOOM) Size() (n int) { } func (m *TaskExecAdded) Size() (n int) { + var l int + _ = l + l = len(m.ContainerID) + if l > 0 { + n += 1 + l + sovTask(uint64(l)) + } + l = len(m.ExecID) + if l > 0 { + n += 1 + l + sovTask(uint64(l)) + } + return n +} + +func (m *TaskExecStarted) Size() (n int) { var l int _ = l l = len(m.ContainerID) @@ -968,6 +1038,17 @@ func (this *TaskExecAdded) String() string { return "nil" } s := strings.Join([]string{`&TaskExecAdded{`, + `ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`, + `ExecID:` + fmt.Sprintf("%v", this.ExecID) + `,`, + `}`, + }, "") + return s +} +func (this *TaskExecStarted) String() string { + if this == nil { + return "nil" + } + s := strings.Join([]string{`&TaskExecStarted{`, `ContainerID:` + fmt.Sprintf("%v", this.ContainerID) + `,`, `ExecID:` + fmt.Sprintf("%v", this.ExecID) + `,`, `Pid:` + fmt.Sprintf("%v", this.Pid) + `,`, @@ -1920,6 +2001,114 @@ func (m *TaskExecAdded) Unmarshal(dAtA []byte) error { return fmt.Errorf("proto: TaskExecAdded: 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 + case 2: + if wireType != 2 { + return fmt.Errorf("proto: wrong wireType = %d for field ExecID", 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.ExecID = 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 *TaskExecStarted) 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: TaskExecStarted: wiretype end group for non-group") + } + if fieldNum <= 0 { + return fmt.Errorf("proto: TaskExecStarted: 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) @@ -2394,45 +2583,46 @@ func init() { } var fileDescriptorTask = []byte{ - // 634 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x95, 0xcd, 0x6e, 0xd3, 0x40, - 0x10, 0xc7, 0x6b, 0xa7, 0x75, 0x93, 0x0d, 0x15, 0x95, 0x55, 0x41, 0x14, 0x09, 0x3b, 0x32, 0x42, - 0xca, 0xc9, 0x56, 0x8b, 0xc4, 0x05, 0x15, 0x35, 0x69, 0x38, 0xe4, 0x50, 0x05, 0xdc, 0x9e, 0x10, - 0x52, 0xe4, 0xd8, 0x93, 0x74, 0x69, 0xec, 0xb5, 0xbc, 0xe3, 0xa8, 0x70, 0xe2, 0x11, 0x78, 0x04, - 0x9e, 0x82, 0x67, 0xe8, 0x81, 0x03, 0x47, 0x4e, 0x81, 0xfa, 0x19, 0x38, 0x71, 0x42, 0xeb, 0x75, - 0xdc, 0xf2, 0x55, 0x90, 0x6f, 0x33, 0xe3, 0x99, 0xff, 0xce, 0xfc, 0x76, 0xb2, 0x21, 0xfd, 0x19, - 0xc5, 0xd3, 0x74, 0x62, 0xfb, 0x2c, 0x74, 0x7c, 0x16, 0xa1, 0x47, 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0x5c, 0xdd, 0xb2, 0xb4, 0x72, + 0x3f, 0xc4, 0x71, 0xd6, 0x96, 0xf4, 0x43, 0x1c, 0xeb, 0x4d, 0x52, 0x45, 0x88, 0xe7, 0x34, 0xf4, + 0x66, 0x59, 0x47, 0x55, 0xb7, 0xb0, 0xad, 0x4f, 0x0a, 0xa9, 0x8a, 0x62, 0xcf, 0xce, 0x29, 0x96, + 0x5c, 0x39, 0x35, 0x27, 0x54, 0xcb, 0x57, 0xa0, 0xe7, 0xaa, 0xb4, 0x40, 0x57, 0xf9, 0x23, 0xba, + 0xf5, 0xdb, 0xd1, 0x6d, 0x94, 0x42, 0x77, 0x40, 0x36, 0xc5, 0x34, 0x83, 0xc1, 0x71, 0x99, 0x61, + 0xac, 0x29, 0xd9, 0x92, 0x30, 0xc0, 0xef, 0x04, 0x01, 0x04, 0xa5, 0x88, 0x3c, 0x20, 0x9b, 0x70, + 0x0e, 0xfe, 0xb0, 0xc0, 0x42, 0xd2, 0xa5, 0xa9, 0x09, 0xcd, 0x7e, 0xcf, 0xd5, 0xc4, 0xa7, 0x7e, + 0x60, 0xbd, 0x25, 0xdb, 0xab, 0x4a, 0xd9, 0xce, 0xff, 0xc7, 0x5a, 0x37, 0xaf, 0xc2, 0x3a, 0x94, + 0xbf, 0x8c, 0xe7, 0x5e, 0xc2, 0xcb, 0x15, 0xb6, 0x3a, 0xa4, 0x2e, 0x14, 0x5c, 0xe0, 0xc9, 0xbc, + 0xa4, 0xc4, 0x98, 0xec, 0x64, 0xcf, 0x5d, 0xf1, 0x2c, 0x94, 0x64, 0xf0, 0xeb, 0x63, 0xa3, 0xfe, + 0xfe, 0xd8, 0x74, 0x5f, 0x5d, 0x5c, 0x1a, 0x6b, 0x5f, 0x2e, 0x8d, 0xb5, 0x77, 0xa9, 0xa1, 0x5c, + 0xa4, 0x86, 0xf2, 0x39, 0x35, 0x94, 0x6f, 0xa9, 0xa1, 0x7c, 0xf8, 0x6e, 0x28, 0x2f, 0x9f, 0x96, + 0xfc, 0x27, 0x7a, 0x22, 0x4f, 0x23, 0x2d, 0xdb, 0xcc, 0x47, 0x3f, 0x03, 0x00, 0x00, 0xff, 0xff, + 0x76, 0xdf, 0xe7, 0xaa, 0xd2, 0x06, 0x00, 0x00, } diff --git a/api/services/events/v1/task.proto b/api/services/events/v1/task.proto index 6a0f3756b..79f87a6c5 100644 --- a/api/services/events/v1/task.proto +++ b/api/services/events/v1/task.proto @@ -53,6 +53,11 @@ message TaskOOM { message TaskExecAdded { string container_id = 1; string exec_id = 2; +} + +message TaskExecStarted { + string container_id = 1; + string exec_id = 2; uint32 pid = 3; } diff --git a/cmd/ctr/shim.go b/cmd/ctr/shim.go index b435e788e..1b2e09bad 100644 --- a/cmd/ctr/shim.go +++ b/cmd/ctr/shim.go @@ -149,7 +149,9 @@ var shimStartCommand = cli.Command{ if err != nil { return err } - _, err = service.Start(gocontext.Background(), empty) + _, err = service.Start(gocontext.Background(), &shim.StartRequest{ + ID: context.Args().First(), + }) return err }, } @@ -261,7 +263,12 @@ var shimExecCommand = cli.Command{ Stderr: context.String("stderr"), Terminal: tty, } - r, err := service.Exec(ctx, rq) + if _, err := service.Exec(ctx, rq); err != nil { + return err + } + r, err := service.Start(ctx, &shim.StartRequest{ + ID: id, + }) if err != nil { return err } diff --git a/linux/shim/exec.go b/linux/shim/exec.go index c031298f9..950df8ae4 100644 --- a/linux/shim/exec.go +++ b/linux/shim/exec.go @@ -36,6 +36,8 @@ type execProcess struct { closers []io.Closer stdin io.Closer stdio stdio + path string + spec specs.Process parent *initProcess } @@ -44,43 +46,6 @@ func newExecProcess(context context.Context, path string, r *shimapi.ExecProcess if err := identifiers.Validate(id); err != nil { return nil, errors.Wrapf(err, "invalid exec id") } - - e := &execProcess{ - id: id, - parent: parent, - stdio: stdio{ - stdin: r.Stdin, - stdout: r.Stdout, - stderr: r.Stderr, - terminal: r.Terminal, - }, - } - var ( - err error - socket *runc.Socket - io runc.IO - pidfile = filepath.Join(path, fmt.Sprintf("%s.pid", id)) - ) - if r.Terminal { - if socket, err = runc.NewConsoleSocket(filepath.Join(path, "pty.sock")); err != nil { - return nil, errors.Wrap(err, "failed to create runc console socket") - } - defer os.Remove(socket.Path()) - } else { - // TODO: get uid/gid - if io, err = runc.NewPipeIO(0, 0); err != nil { - return nil, errors.Wrap(err, "failed to create runc io pipes") - } - e.io = io - } - opts := &runc.ExecOpts{ - PidFile: pidfile, - IO: io, - Detach: true, - } - if socket != nil { - opts.ConsoleSocket = socket - } // process exec request var spec specs.Process if err := json.Unmarshal(r.Spec.Value, &spec); err != nil { @@ -88,39 +53,18 @@ func newExecProcess(context context.Context, path string, r *shimapi.ExecProcess } spec.Terminal = r.Terminal - if err := parent.runtime.Exec(context, parent.id, spec, opts); err != nil { - return nil, parent.runtimeError(err, "OCI runtime exec failed") + e := &execProcess{ + id: id, + path: path, + parent: parent, + spec: spec, + stdio: stdio{ + stdin: r.Stdin, + stdout: r.Stdout, + stderr: r.Stderr, + terminal: r.Terminal, + }, } - if r.Stdin != "" { - sc, err := fifo.OpenFifo(context, r.Stdin, syscall.O_WRONLY|syscall.O_NONBLOCK, 0) - if err != nil { - return nil, errors.Wrapf(err, "failed to open stdin fifo %s", r.Stdin) - } - e.closers = append(e.closers, sc) - e.stdin = sc - } - var copyWaitGroup sync.WaitGroup - if socket != nil { - console, err := socket.ReceiveMaster() - if err != nil { - return nil, errors.Wrap(err, "failed to retrieve console master") - } - console, err = e.parent.platform.copyConsole(context, console, r.Stdin, r.Stdout, r.Stderr, &e.WaitGroup, ©WaitGroup) - if err != nil { - return nil, errors.Wrap(err, "failed to start console copy") - } - e.console = console - } else { - if err := copyPipes(context, io, r.Stdin, r.Stdout, r.Stderr, &e.WaitGroup, ©WaitGroup); err != nil { - return nil, errors.Wrap(err, "failed to start io pipe copy") - } - } - copyWaitGroup.Wait() - pid, err := runc.ReadPidFile(opts.PidFile) - if err != nil { - return nil, errors.Wrap(err, "failed to retrieve OCI runtime exec pid") - } - e.pid = pid return e, nil } @@ -178,3 +122,63 @@ func (e *execProcess) Stdin() io.Closer { func (e *execProcess) Stdio() stdio { return e.stdio } + +func (e *execProcess) Start(ctx context.Context) (err error) { + var ( + socket *runc.Socket + io runc.IO + pidfile = filepath.Join(e.path, fmt.Sprintf("%s.pid", e.id)) + ) + if e.stdio.terminal { + if socket, err = runc.NewConsoleSocket(filepath.Join(e.path, "pty.sock")); err != nil { + return errors.Wrap(err, "failed to create runc console socket") + } + defer os.Remove(socket.Path()) + } else { + if io, err = runc.NewPipeIO(0, 0); err != nil { + return errors.Wrap(err, "failed to create runc io pipes") + } + e.io = io + } + opts := &runc.ExecOpts{ + PidFile: pidfile, + IO: io, + Detach: true, + } + if socket != nil { + opts.ConsoleSocket = socket + } + if err := e.parent.runtime.Exec(ctx, e.parent.id, e.spec, opts); err != nil { + return e.parent.runtimeError(err, "OCI runtime exec failed") + } + if e.stdio.stdin != "" { + sc, err := fifo.OpenFifo(ctx, e.stdio.stdin, syscall.O_WRONLY|syscall.O_NONBLOCK, 0) + if err != nil { + return errors.Wrapf(err, "failed to open stdin fifo %s", e.stdio.stdin) + } + e.closers = append(e.closers, sc) + e.stdin = sc + } + var copyWaitGroup sync.WaitGroup + if socket != nil { + console, err := socket.ReceiveMaster() + if err != nil { + return errors.Wrap(err, "failed to retrieve console master") + } + e.console = console + if err := e.parent.platform.copyConsole(ctx, console, e.stdio.stdin, e.stdio.stdout, e.stdio.stderr, &e.WaitGroup, ©WaitGroup); err != nil { + return errors.Wrap(err, "failed to start console copy") + } + } else { + if err := copyPipes(ctx, io, e.stdio.stdin, e.stdio.stdout, e.stdio.stderr, &e.WaitGroup, ©WaitGroup); err != nil { + return errors.Wrap(err, "failed to start io pipe copy") + } + } + copyWaitGroup.Wait() + pid, err := runc.ReadPidFile(opts.PidFile) + if err != nil { + return errors.Wrap(err, "failed to retrieve OCI runtime exec pid") + } + e.pid = pid + return nil +} diff --git a/linux/shim/local.go b/linux/shim/local.go index eda8ec52b..7e993a3d2 100644 --- a/linux/shim/local.go +++ b/linux/shim/local.go @@ -27,7 +27,7 @@ func (c *local) Create(ctx context.Context, in *shimapi.CreateTaskRequest, opts return c.s.Create(ctx, in) } -func (c *local) Start(ctx context.Context, in *google_protobuf.Empty, opts ...grpc.CallOption) (*google_protobuf.Empty, error) { +func (c *local) Start(ctx context.Context, in *shimapi.StartRequest, opts ...grpc.CallOption) (*shimapi.StartResponse, error) { return c.s.Start(ctx, in) } @@ -43,7 +43,7 @@ func (c *local) DeleteProcess(ctx context.Context, in *shimapi.DeleteProcessRequ return c.s.DeleteProcess(ctx, in) } -func (c *local) Exec(ctx context.Context, in *shimapi.ExecProcessRequest, opts ...grpc.CallOption) (*shimapi.ExecProcessResponse, error) { +func (c *local) Exec(ctx context.Context, in *shimapi.ExecProcessRequest, opts ...grpc.CallOption) (*google_protobuf.Empty, error) { return c.s.Exec(ctx, in) } diff --git a/linux/shim/process.go b/linux/shim/process.go index 183176373..c7550011a 100644 --- a/linux/shim/process.go +++ b/linux/shim/process.go @@ -38,4 +38,6 @@ type process interface { Kill(context.Context, uint32, bool) error // Stdio returns io information for the container Stdio() stdio + // Start execution of the process + Start(context.Context) error } diff --git a/linux/shim/service.go b/linux/shim/service.go index 9ed22b36d..2147cf280 100644 --- a/linux/shim/service.go +++ b/linux/shim/service.go @@ -108,18 +108,36 @@ func (s *Service) Create(ctx context.Context, r *shimapi.CreateTaskRequest) (*sh }, nil } -func (s *Service) Start(ctx context.Context, r *google_protobuf.Empty) (*google_protobuf.Empty, error) { - if s.initProcess == nil { - return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created") +func (s *Service) Start(ctx context.Context, r *shimapi.StartRequest) (*shimapi.StartResponse, error) { + p, ok := s.processes[r.ID] + if !ok { + return nil, errdefs.ToGRPCf(errdefs.ErrNotFound, "process %s not found", r.ID) } - if err := s.initProcess.Start(ctx); err != nil { + if err := p.Start(ctx); err != nil { return nil, err } - s.events <- &eventsapi.TaskStart{ - ContainerID: s.id, - Pid: uint32(s.initProcess.Pid()), + if r.ID == s.id { + s.events <- &eventsapi.TaskStart{ + ContainerID: s.id, + Pid: uint32(s.initProcess.Pid()), + } + } else { + pid := p.Pid() + cmd := &reaper.Cmd{ + ExitCh: make(chan int, 1), + } + reaper.Default.Register(pid, cmd) + go s.waitExit(p, pid, cmd) + s.events <- &eventsapi.TaskExecStarted{ + ContainerID: s.id, + ExecID: r.ID, + Pid: uint32(pid), + } } - return empty, nil + return &shimapi.StartResponse{ + ID: p.ID(), + Pid: uint32(p.Pid()), + }, nil } func (s *Service) Delete(ctx context.Context, r *google_protobuf.Empty) (*shimapi.DeleteResponse, error) { @@ -170,7 +188,7 @@ func (s *Service) DeleteProcess(ctx context.Context, r *shimapi.DeleteProcessReq }, nil } -func (s *Service) Exec(ctx context.Context, r *shimapi.ExecProcessRequest) (*shimapi.ExecProcessResponse, error) { +func (s *Service) Exec(ctx context.Context, r *shimapi.ExecProcessRequest) (*google_protobuf.Empty, error) { if s.initProcess == nil { return nil, errdefs.ToGRPCf(errdefs.ErrFailedPrecondition, "container must be created") } @@ -181,22 +199,13 @@ func (s *Service) Exec(ctx context.Context, r *shimapi.ExecProcessRequest) (*shi if err != nil { return nil, errdefs.ToGRPC(err) } - pid := process.Pid() - cmd := &reaper.Cmd{ - ExitCh: make(chan int, 1), - } - reaper.Default.Register(pid, cmd) s.processes[r.ID] = process s.events <- &eventsapi.TaskExecAdded{ ContainerID: s.id, ExecID: r.ID, - Pid: uint32(pid), } - go s.waitExit(process, pid, cmd) - return &shimapi.ExecProcessResponse{ - Pid: uint32(pid), - }, nil + return empty, nil } func (s *Service) ResizePty(ctx context.Context, r *shimapi.ResizePtyRequest) (*google_protobuf.Empty, error) { diff --git a/linux/shim/v1/shim.pb.go b/linux/shim/v1/shim.pb.go index 5c14a0243..0f370f67d 100644 --- a/linux/shim/v1/shim.pb.go +++ b/linux/shim/v1/shim.pb.go @@ -25,6 +25,8 @@ CheckpointTaskRequest ShimInfoResponse UpdateTaskRequest + StartRequest + StartResponse */ package shim @@ -122,7 +124,6 @@ func (*ExecProcessRequest) ProtoMessage() {} func (*ExecProcessRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{4} } type ExecProcessResponse struct { - Pid uint32 `protobuf:"varint,1,opt,name=pid,proto3" json:"pid,omitempty"` } func (m *ExecProcessResponse) Reset() { *m = ExecProcessResponse{} } @@ -222,6 +223,23 @@ func (m *UpdateTaskRequest) Reset() { *m = UpdateTaskRequest{ func (*UpdateTaskRequest) ProtoMessage() {} func (*UpdateTaskRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{15} } +type StartRequest struct { + ID string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"` +} + +func (m *StartRequest) Reset() { *m = StartRequest{} } +func (*StartRequest) ProtoMessage() {} +func (*StartRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{16} } + +type StartResponse 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 *StartResponse) Reset() { *m = StartResponse{} } +func (*StartResponse) ProtoMessage() {} +func (*StartResponse) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{17} } + func init() { proto.RegisterType((*CreateTaskRequest)(nil), "containerd.runtime.linux.shim.v1.CreateTaskRequest") proto.RegisterType((*CreateTaskResponse)(nil), "containerd.runtime.linux.shim.v1.CreateTaskResponse") @@ -239,6 +257,8 @@ func init() { proto.RegisterType((*CheckpointTaskRequest)(nil), "containerd.runtime.linux.shim.v1.CheckpointTaskRequest") proto.RegisterType((*ShimInfoResponse)(nil), "containerd.runtime.linux.shim.v1.ShimInfoResponse") proto.RegisterType((*UpdateTaskRequest)(nil), "containerd.runtime.linux.shim.v1.UpdateTaskRequest") + proto.RegisterType((*StartRequest)(nil), "containerd.runtime.linux.shim.v1.StartRequest") + proto.RegisterType((*StartResponse)(nil), "containerd.runtime.linux.shim.v1.StartResponse") } // Reference imports to suppress errors if they are not otherwise used. @@ -255,7 +275,7 @@ type ShimClient interface { // State returns shim and task state information. State(ctx context.Context, in *StateRequest, opts ...grpc.CallOption) (*StateResponse, error) Create(ctx context.Context, in *CreateTaskRequest, opts ...grpc.CallOption) (*CreateTaskResponse, error) - Start(ctx context.Context, in *google_protobuf1.Empty, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) + Start(ctx context.Context, in *StartRequest, opts ...grpc.CallOption) (*StartResponse, error) Delete(ctx context.Context, in *google_protobuf1.Empty, opts ...grpc.CallOption) (*DeleteResponse, error) DeleteProcess(ctx context.Context, in *DeleteProcessRequest, opts ...grpc.CallOption) (*DeleteResponse, error) ListPids(ctx context.Context, in *ListPidsRequest, opts ...grpc.CallOption) (*ListPidsResponse, error) @@ -263,7 +283,7 @@ type ShimClient interface { Resume(ctx context.Context, in *google_protobuf1.Empty, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) Checkpoint(ctx context.Context, in *CheckpointTaskRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) Kill(ctx context.Context, in *KillRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) - Exec(ctx context.Context, in *ExecProcessRequest, opts ...grpc.CallOption) (*ExecProcessResponse, error) + Exec(ctx context.Context, in *ExecProcessRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) ResizePty(ctx context.Context, in *ResizePtyRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) CloseIO(ctx context.Context, in *CloseIORequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) // ShimInfo returns information about the shim. @@ -297,8 +317,8 @@ func (c *shimClient) Create(ctx context.Context, in *CreateTaskRequest, opts ... return out, nil } -func (c *shimClient) Start(ctx context.Context, in *google_protobuf1.Empty, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) { - out := new(google_protobuf1.Empty) +func (c *shimClient) Start(ctx context.Context, in *StartRequest, opts ...grpc.CallOption) (*StartResponse, error) { + out := new(StartResponse) err := grpc.Invoke(ctx, "/containerd.runtime.linux.shim.v1.Shim/Start", in, out, c.cc, opts...) if err != nil { return nil, err @@ -369,8 +389,8 @@ func (c *shimClient) Kill(ctx context.Context, in *KillRequest, opts ...grpc.Cal return out, nil } -func (c *shimClient) Exec(ctx context.Context, in *ExecProcessRequest, opts ...grpc.CallOption) (*ExecProcessResponse, error) { - out := new(ExecProcessResponse) +func (c *shimClient) Exec(ctx context.Context, in *ExecProcessRequest, opts ...grpc.CallOption) (*google_protobuf1.Empty, error) { + out := new(google_protobuf1.Empty) err := grpc.Invoke(ctx, "/containerd.runtime.linux.shim.v1.Shim/Exec", in, out, c.cc, opts...) if err != nil { return nil, err @@ -420,7 +440,7 @@ type ShimServer interface { // State returns shim and task state information. State(context.Context, *StateRequest) (*StateResponse, error) Create(context.Context, *CreateTaskRequest) (*CreateTaskResponse, error) - Start(context.Context, *google_protobuf1.Empty) (*google_protobuf1.Empty, error) + Start(context.Context, *StartRequest) (*StartResponse, error) Delete(context.Context, *google_protobuf1.Empty) (*DeleteResponse, error) DeleteProcess(context.Context, *DeleteProcessRequest) (*DeleteResponse, error) ListPids(context.Context, *ListPidsRequest) (*ListPidsResponse, error) @@ -428,7 +448,7 @@ type ShimServer interface { Resume(context.Context, *google_protobuf1.Empty) (*google_protobuf1.Empty, error) Checkpoint(context.Context, *CheckpointTaskRequest) (*google_protobuf1.Empty, error) Kill(context.Context, *KillRequest) (*google_protobuf1.Empty, error) - Exec(context.Context, *ExecProcessRequest) (*ExecProcessResponse, error) + Exec(context.Context, *ExecProcessRequest) (*google_protobuf1.Empty, error) ResizePty(context.Context, *ResizePtyRequest) (*google_protobuf1.Empty, error) CloseIO(context.Context, *CloseIORequest) (*google_protobuf1.Empty, error) // ShimInfo returns information about the shim. @@ -477,7 +497,7 @@ func _Shim_Create_Handler(srv interface{}, ctx context.Context, dec func(interfa } func _Shim_Start_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { - in := new(google_protobuf1.Empty) + in := new(StartRequest) if err := dec(in); err != nil { return nil, err } @@ -489,7 +509,7 @@ func _Shim_Start_Handler(srv interface{}, ctx context.Context, dec func(interfac FullMethod: "/containerd.runtime.linux.shim.v1.Shim/Start", } handler := func(ctx context.Context, req interface{}) (interface{}, error) { - return srv.(ShimServer).Start(ctx, req.(*google_protobuf1.Empty)) + return srv.(ShimServer).Start(ctx, req.(*StartRequest)) } return interceptor(ctx, in, info, handler) } @@ -1037,11 +1057,6 @@ func (m *ExecProcessResponse) MarshalTo(dAtA []byte) (int, error) { _ = i var l int _ = l - if m.Pid != 0 { - dAtA[i] = 0x8 - i++ - i = encodeVarintShim(dAtA, i, uint64(m.Pid)) - } return i, nil } @@ -1388,6 +1403,59 @@ func (m *UpdateTaskRequest) MarshalTo(dAtA []byte) (int, error) { return i, nil } +func (m *StartRequest) 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 *StartRequest) MarshalTo(dAtA []byte) (int, error) { + var i int + _ = i + var l int + _ = l + if len(m.ID) > 0 { + dAtA[i] = 0xa + i++ + i = encodeVarintShim(dAtA, i, uint64(len(m.ID))) + i += copy(dAtA[i:], m.ID) + } + return i, nil +} + +func (m *StartResponse) 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 *StartResponse) MarshalTo(dAtA []byte) (int, error) { + var i int + _ = i + var l int + _ = l + if len(m.ID) > 0 { + dAtA[i] = 0xa + i++ + i = encodeVarintShim(dAtA, i, uint64(len(m.ID))) + i += copy(dAtA[i:], m.ID) + } + if m.Pid != 0 { + dAtA[i] = 0x10 + 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) @@ -1531,9 +1599,6 @@ func (m *ExecProcessRequest) Size() (n int) { func (m *ExecProcessResponse) Size() (n int) { var l int _ = l - if m.Pid != 0 { - n += 1 + sovShim(uint64(m.Pid)) - } return n } @@ -1683,6 +1748,29 @@ func (m *UpdateTaskRequest) Size() (n int) { return n } +func (m *StartRequest) Size() (n int) { + var l int + _ = l + l = len(m.ID) + if l > 0 { + n += 1 + l + sovShim(uint64(l)) + } + return n +} + +func (m *StartResponse) Size() (n int) { + var l int + _ = l + l = len(m.ID) + if l > 0 { + n += 1 + l + sovShim(uint64(l)) + } + if m.Pid != 0 { + n += 1 + sovShim(uint64(m.Pid)) + } + return n +} + func sovShim(x uint64) (n int) { for { n++ @@ -1768,7 +1856,6 @@ func (this *ExecProcessResponse) String() string { return "nil" } s := strings.Join([]string{`&ExecProcessResponse{`, - `Pid:` + fmt.Sprintf("%v", this.Pid) + `,`, `}`, }, "") return s @@ -1886,6 +1973,27 @@ func (this *UpdateTaskRequest) String() string { }, "") return s } +func (this *StartRequest) String() string { + if this == nil { + return "nil" + } + s := strings.Join([]string{`&StartRequest{`, + `ID:` + fmt.Sprintf("%v", this.ID) + `,`, + `}`, + }, "") + return s +} +func (this *StartResponse) String() string { + if this == nil { + return "nil" + } + s := strings.Join([]string{`&StartResponse{`, + `ID:` + fmt.Sprintf("%v", this.ID) + `,`, + `Pid:` + fmt.Sprintf("%v", this.Pid) + `,`, + `}`, + }, "") + return s +} func valueToStringShim(v interface{}) string { rv := reflect.ValueOf(v) if rv.IsNil() { @@ -2774,25 +2882,6 @@ func (m *ExecProcessResponse) Unmarshal(dAtA []byte) error { return fmt.Errorf("proto: ExecProcessResponse: 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:]) @@ -3935,6 +4024,183 @@ func (m *UpdateTaskRequest) Unmarshal(dAtA []byte) error { } return nil } +func (m *StartRequest) 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: StartRequest: wiretype end group for non-group") + } + if fieldNum <= 0 { + return fmt.Errorf("proto: StartRequest: 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 ErrIntOverflowShim + } + 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 ErrInvalidLengthShim + } + postIndex := iNdEx + intStringLen + if postIndex > l { + return io.ErrUnexpectedEOF + } + m.ID = string(dAtA[iNdEx:postIndex]) + iNdEx = postIndex + 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 (m *StartResponse) 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: StartResponse: wiretype end group for non-group") + } + if fieldNum <= 0 { + return fmt.Errorf("proto: StartResponse: 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 ErrIntOverflowShim + } + 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 ErrInvalidLengthShim + } + 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 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 @@ -4045,71 +4311,72 @@ func init() { } var fileDescriptorShim = []byte{ - // 1049 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x57, 0x4f, 0x6f, 0xe3, 0x44, - 0x14, 0x5f, 0xe7, 0xaf, 0xfb, 0x42, 0x4a, 0x3b, 0x94, 0xe2, 0xcd, 0x4a, 0x69, 0xe4, 0x43, 0x09, - 0x42, 0x6b, 0xd3, 0x14, 0x76, 0xf9, 0x23, 0x21, 0xb5, 0xdd, 0x15, 0xaa, 0xa0, 0xda, 0xca, 0xdd, - 0x05, 0x04, 0x42, 0x95, 0x1b, 0x4f, 0x93, 0x51, 0x1d, 0x8f, 0xd7, 0x33, 0x2e, 0x2d, 0x27, 0x4e, - 0x9c, 0xf9, 0x38, 0x7c, 0x84, 0x1e, 0x91, 0xb8, 0x70, 0x5a, 0xd8, 0x9c, 0xb8, 0xf0, 0x1d, 0xd0, - 0x8c, 0x27, 0x8d, 0x93, 0xd4, 0xb2, 0xc3, 0xa5, 0x9e, 0x37, 0xf3, 0x7b, 0x33, 0xef, 0xcd, 0xef, - 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0xaf, 0xa1, 0x32, 0xee, 0xc9, 0x89, 0x6c, 0x67, 0x08, 0x62, 0xa1, 0xaf, 0xbf, + 0x82, 0x92, 0x6a, 0xde, 0x59, 0xba, 0xd3, 0x42, 0x9b, 0x4f, 0x72, 0xf7, 0xe0, 0xf8, 0xee, 0x6d, + 0x63, 0xe5, 0x8f, 0xb7, 0x8d, 0x95, 0x9f, 0x47, 0x0d, 0xe3, 0x6e, 0xd4, 0x30, 0x7e, 0x1f, 0x35, + 0x8c, 0xbf, 0x46, 0x0d, 0xe3, 0xbb, 0xbd, 0xe5, 0xfe, 0xdb, 0xfa, 0x4c, 0xfc, 0x5e, 0x94, 0xa4, + 0xf9, 0xbd, 0xff, 0x02, 0x00, 0x00, 0xff, 0xff, 0x05, 0x95, 0x8a, 0x43, 0xab, 0x0d, 0x00, 0x00, } diff --git a/linux/shim/v1/shim.proto b/linux/shim/v1/shim.proto index 814cb8889..d475af587 100644 --- a/linux/shim/v1/shim.proto +++ b/linux/shim/v1/shim.proto @@ -21,7 +21,7 @@ service Shim { rpc Create(CreateTaskRequest) returns (CreateTaskResponse); - rpc Start(google.protobuf.Empty) returns (google.protobuf.Empty); + rpc Start(StartRequest) returns (StartResponse); rpc Delete(google.protobuf.Empty) returns (DeleteResponse); @@ -37,7 +37,7 @@ service Shim { rpc Kill(KillRequest) returns (google.protobuf.Empty); - rpc Exec(ExecProcessRequest) returns (ExecProcessResponse); + rpc Exec(ExecProcessRequest) returns (google.protobuf.Empty); rpc ResizePty(ResizePtyRequest) returns (google.protobuf.Empty); @@ -87,7 +87,6 @@ message ExecProcessRequest { } message ExecProcessResponse { - uint32 pid = 1; } message ResizePtyRequest { @@ -142,3 +141,12 @@ message ShimInfoResponse { message UpdateTaskRequest { google.protobuf.Any resources = 1; } + +message StartRequest { + string id = 1; +} + +message StartResponse { + string id = 1; + uint32 pid = 2; +} diff --git a/linux/task.go b/linux/task.go index 06e583dca..51a85079b 100644 --- a/linux/task.go +++ b/linux/task.go @@ -40,11 +40,13 @@ func (t *Task) Info() runtime.TaskInfo { } func (t *Task) Start(ctx context.Context) error { - _, err := t.shim.Start(ctx, empty) + _, err := t.shim.Start(ctx, &shim.StartRequest{ + ID: t.id, + }) if err != nil { - err = errdefs.FromGRPC(err) + return errdefs.FromGRPC(err) } - return err + return nil } func (t *Task) State(ctx context.Context) (runtime.State, error) { @@ -116,6 +118,11 @@ func (t *Task) Exec(ctx context.Context, id string, opts runtime.ExecOpts) (runt if _, err := t.shim.Exec(ctx, request); err != nil { return nil, errdefs.FromGRPC(err) } + if _, err := t.shim.Start(ctx, &shim.StartRequest{ + ID: id, + }); err != nil { + return nil, errdefs.FromGRPC(err) + } return &Process{ id: id, t: t,