diff --git a/cli/cmd/serve.go b/cli/cmd/serve.go new file mode 100644 index 000000000..8e6021f9a --- /dev/null +++ b/cli/cmd/serve.go @@ -0,0 +1,95 @@ +package cmd + +import ( + "context" + "net" + + cliv1 "github.com/docker/api/cli/v1" + "github.com/docker/api/client" + "github.com/docker/api/containers/proxy" + containersv1 "github.com/docker/api/containers/v1" + "github.com/docker/api/context/store" + "github.com/docker/api/server" + "github.com/golang/protobuf/ptypes/empty" + "github.com/pkg/errors" + "github.com/sirupsen/logrus" + + "github.com/spf13/cobra" +) + +type serveOpts struct { + address string +} + +func ServeCommand() *cobra.Command { + var opts serveOpts + cmd := &cobra.Command{ + Use: "serve", + Short: "Start an api server", + RunE: func(cmd *cobra.Command, args []string) error { + return runServe(cmd.Context(), opts) + }, + } + + cmd.Flags().StringVar(&opts.address, "address", "", "The address to listen to") + + return cmd +} + +func runServe(ctx context.Context, opts serveOpts) error { + s := server.New() + + l, err := net.Listen("unix", opts.address) + if err != nil { + return errors.Wrap(err, "listen unix socket") + } + defer l.Close() + + c, err := client.New(ctx) + if err != nil { + return err + } + + p := proxy.NewContainerApi(c.ContainerService(ctx)) + + containersv1.RegisterContainersServer(s, p) + cliv1.RegisterCliServer(s, &cliServer{ + ctx, + }) + + go func() { + <-ctx.Done() + logrus.Info("stopping server") + s.Stop() + }() + + logrus.WithField("address", opts.address).Info("serving daemon API") + + // start the GRPC server to serve on the listener + return s.Serve(l) +} + +type cliServer struct { + ctx context.Context +} + +func (cs *cliServer) Contexts(context.Context, *empty.Empty) (*cliv1.ContextsResponse, error) { + s, err := store.New() + if err != nil { + logrus.Error(err) + return &cliv1.ContextsResponse{}, err + } + contexts, err := s.List() + if err != nil { + logrus.Error(err) + return &cliv1.ContextsResponse{}, err + } + result := &cliv1.ContextsResponse{} + for _, c := range contexts { + result.Contexts = append(result.Contexts, &cliv1.Context{ + Name: c.Name, + ContextType: c.Metadata.Type, + }) + } + return result, nil +} diff --git a/cli/main.go b/cli/main.go index a1cda0d3f..9bb582fcf 100644 --- a/cli/main.go +++ b/cli/main.go @@ -112,6 +112,7 @@ func main() { root.AddCommand( cmd.ContextCommand(), &cmd.PsCommand, + cmd.ServeCommand(), &cmd.ExampleCommand, ) diff --git a/cli/v1/cli.pb.go b/cli/v1/cli.pb.go new file mode 100644 index 000000000..879906891 --- /dev/null +++ b/cli/v1/cli.pb.go @@ -0,0 +1,322 @@ +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.21.0-devel +// protoc v3.11.4 +// source: cli/v1/cli.proto + +package v1 + +import ( + context "context" + proto "github.com/golang/protobuf/proto" + empty "github.com/golang/protobuf/ptypes/empty" + grpc "google.golang.org/grpc" + codes "google.golang.org/grpc/codes" + status "google.golang.org/grpc/status" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + reflect "reflect" + sync "sync" +) + +const ( + // Verify that this generated code is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion) + // Verify that runtime/protoimpl is sufficiently up-to-date. + _ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20) +) + +// This is a compile-time assertion that a sufficiently up-to-date version +// of the legacy proto package is being used. +const _ = proto.ProtoPackageIsVersion4 + +type Context struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"` + ContextType string `protobuf:"bytes,2,opt,name=contextType,proto3" json:"contextType,omitempty"` +} + +func (x *Context) Reset() { + *x = Context{} + if protoimpl.UnsafeEnabled { + mi := &file_cli_v1_cli_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *Context) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*Context) ProtoMessage() {} + +func (x *Context) ProtoReflect() protoreflect.Message { + mi := &file_cli_v1_cli_proto_msgTypes[0] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use Context.ProtoReflect.Descriptor instead. +func (*Context) Descriptor() ([]byte, []int) { + return file_cli_v1_cli_proto_rawDescGZIP(), []int{0} +} + +func (x *Context) GetName() string { + if x != nil { + return x.Name + } + return "" +} + +func (x *Context) GetContextType() string { + if x != nil { + return x.ContextType + } + return "" +} + +type ContextsResponse struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Contexts []*Context `protobuf:"bytes,1,rep,name=contexts,proto3" json:"contexts,omitempty"` +} + +func (x *ContextsResponse) Reset() { + *x = ContextsResponse{} + if protoimpl.UnsafeEnabled { + mi := &file_cli_v1_cli_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ContextsResponse) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ContextsResponse) ProtoMessage() {} + +func (x *ContextsResponse) ProtoReflect() protoreflect.Message { + mi := &file_cli_v1_cli_proto_msgTypes[1] + if protoimpl.UnsafeEnabled && x != nil { + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + if ms.LoadMessageInfo() == nil { + ms.StoreMessageInfo(mi) + } + return ms + } + return mi.MessageOf(x) +} + +// Deprecated: Use ContextsResponse.ProtoReflect.Descriptor instead. +func (*ContextsResponse) Descriptor() ([]byte, []int) { + return file_cli_v1_cli_proto_rawDescGZIP(), []int{1} +} + +func (x *ContextsResponse) GetContexts() []*Context { + if x != nil { + return x.Contexts + } + return nil +} + +var File_cli_v1_cli_proto protoreflect.FileDescriptor + +var file_cli_v1_cli_proto_rawDesc = []byte{ + 0x0a, 0x10, 0x63, 0x6c, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x63, 0x6c, 0x69, 0x2e, 0x70, 0x72, 0x6f, + 0x74, 0x6f, 0x12, 0x15, 0x63, 0x6f, 0x6d, 0x2e, 0x64, 0x6f, 0x63, 0x6b, 0x65, 0x72, 0x2e, 0x61, + 0x70, 0x69, 0x2e, 0x63, 0x6c, 0x69, 0x2e, 0x76, 0x31, 0x1a, 0x1b, 0x67, 0x6f, 0x6f, 0x67, 0x6c, + 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 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protoimpl.X.CompressGZIP(file_cli_v1_cli_proto_rawDescData) + }) + return file_cli_v1_cli_proto_rawDescData +} + +var file_cli_v1_cli_proto_msgTypes = make([]protoimpl.MessageInfo, 2) +var file_cli_v1_cli_proto_goTypes = []interface{}{ + (*Context)(nil), // 0: com.docker.api.cli.v1.Context + (*ContextsResponse)(nil), // 1: com.docker.api.cli.v1.ContextsResponse + (*empty.Empty)(nil), // 2: google.protobuf.Empty +} +var file_cli_v1_cli_proto_depIdxs = []int32{ + 0, // 0: com.docker.api.cli.v1.ContextsResponse.contexts:type_name -> com.docker.api.cli.v1.Context + 2, // 1: com.docker.api.cli.v1.Cli.Contexts:input_type -> google.protobuf.Empty + 1, // 2: com.docker.api.cli.v1.Cli.Contexts:output_type -> com.docker.api.cli.v1.ContextsResponse + 2, // [2:3] is the sub-list for method output_type + 1, // [1:2] is the sub-list for method input_type + 1, // [1:1] is the sub-list for extension type_name + 1, // [1:1] is the sub-list for extension extendee + 0, // [0:1] is the sub-list for field type_name +} + +func init() { file_cli_v1_cli_proto_init() } +func file_cli_v1_cli_proto_init() { + if File_cli_v1_cli_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_cli_v1_cli_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*Context); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_cli_v1_cli_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ContextsResponse); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + } + type x struct{} + out := protoimpl.TypeBuilder{ + File: protoimpl.DescBuilder{ + GoPackagePath: reflect.TypeOf(x{}).PkgPath(), + RawDescriptor: file_cli_v1_cli_proto_rawDesc, + NumEnums: 0, + NumMessages: 2, + NumExtensions: 0, + NumServices: 1, + }, + GoTypes: file_cli_v1_cli_proto_goTypes, + DependencyIndexes: file_cli_v1_cli_proto_depIdxs, + MessageInfos: file_cli_v1_cli_proto_msgTypes, + }.Build() + File_cli_v1_cli_proto = out.File + file_cli_v1_cli_proto_rawDesc = nil + file_cli_v1_cli_proto_goTypes = nil + file_cli_v1_cli_proto_depIdxs = nil +} + +// Reference imports to suppress errors if they are not otherwise used. +var _ context.Context +var _ grpc.ClientConnInterface + +// This is a compile-time assertion to ensure that this generated file +// is compatible with the grpc package it is being compiled against. +const _ = grpc.SupportPackageIsVersion6 + +// CliClient is the client API for Cli service. +// +// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream. +type CliClient interface { + // Returns the list of existing contexts + Contexts(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*ContextsResponse, error) +} + +type cliClient struct { + cc grpc.ClientConnInterface +} + +func NewCliClient(cc grpc.ClientConnInterface) CliClient { + return &cliClient{cc} +} + +func (c *cliClient) Contexts(ctx context.Context, in *empty.Empty, opts ...grpc.CallOption) (*ContextsResponse, error) { + out := new(ContextsResponse) + err := c.cc.Invoke(ctx, "/com.docker.api.cli.v1.Cli/Contexts", in, out, opts...) + if err != nil { + return nil, err + } + return out, nil +} + +// CliServer is the server API for Cli service. +type CliServer interface { + // Returns the list of existing contexts + Contexts(context.Context, *empty.Empty) (*ContextsResponse, error) +} + +// UnimplementedCliServer can be embedded to have forward compatible implementations. +type UnimplementedCliServer struct { +} + +func (*UnimplementedCliServer) Contexts(context.Context, *empty.Empty) (*ContextsResponse, error) { + return nil, status.Errorf(codes.Unimplemented, "method Contexts not implemented") +} + +func RegisterCliServer(s *grpc.Server, srv CliServer) { + s.RegisterService(&_Cli_serviceDesc, srv) +} + +func _Cli_Contexts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(empty.Empty) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(CliServer).Contexts(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/com.docker.api.cli.v1.Cli/Contexts", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(CliServer).Contexts(ctx, req.(*empty.Empty)) + } + return interceptor(ctx, in, info, handler) +} + +var _Cli_serviceDesc = grpc.ServiceDesc{ + ServiceName: "com.docker.api.cli.v1.Cli", + HandlerType: (*CliServer)(nil), + Methods: []grpc.MethodDesc{ + { + MethodName: "Contexts", + Handler: _Cli_Contexts_Handler, + }, + }, + Streams: []grpc.StreamDesc{}, + Metadata: "cli/v1/cli.proto", +} diff --git a/cli/v1/cli.proto b/cli/v1/cli.proto new file mode 100644 index 000000000..c97f0a295 --- /dev/null +++ b/cli/v1/cli.proto @@ -0,0 +1,21 @@ +syntax = "proto3"; + +package com.docker.api.cli.v1; + +import "google/protobuf/empty.proto"; + +option go_package = "github.com/docker/api/cli/v1;v1"; + +service Cli { + // Returns the list of existing contexts + rpc Contexts(google.protobuf.Empty) returns (ContextsResponse); +} + +message Context { + string name = 1; + string contextType = 2; +} + +message ContextsResponse { + repeated Context contexts = 1; +} diff --git a/containers/proxy/proxy.go b/containers/proxy/proxy.go new file mode 100644 index 000000000..b9e9d9e66 --- /dev/null +++ b/containers/proxy/proxy.go @@ -0,0 +1,66 @@ +package proxy + +import ( + "context" + + "github.com/docker/api/containers" + v1 "github.com/docker/api/containers/v1" + "github.com/golang/protobuf/ptypes/empty" +) + +func NewContainerApi(client containers.ContainerService) v1.ContainersServer { + return &proxyContainerApi{ + client: client, + } +} + +type proxyContainerApi struct { + client containers.ContainerService +} + +func (p *proxyContainerApi) List(ctx context.Context, _ *v1.ListRequest) (*v1.ListResponse, error) { + c, err := p.client.List(ctx) + if err != nil { + return &v1.ListResponse{}, nil + } + + response := &v1.ListResponse{ + Containers: []*v1.Container{}, + } + for _, container := range c { + response.Containers = append(response.Containers, &v1.Container{ + Id: container.ID, + Image: container.Image, + }) + } + + return response, nil +} + +func (p *proxyContainerApi) Create(_ context.Context, _ *v1.CreateRequest) (*v1.CreateResponse, error) { + panic("not implemented") // TODO: Implement +} + +func (p *proxyContainerApi) Start(_ context.Context, _ *v1.StartRequest) (*v1.StartResponse, error) { + panic("not implemented") // TODO: Implement +} + +func (p *proxyContainerApi) Stop(_ context.Context, _ *v1.StopRequest) (*empty.Empty, error) { + panic("not implemented") // TODO: Implement +} + +func (p *proxyContainerApi) Kill(_ context.Context, _ *v1.KillRequest) (*empty.Empty, error) { + panic("not implemented") // TODO: Implement +} + +func (p *proxyContainerApi) Delete(_ context.Context, _ *v1.DeleteRequest) (*empty.Empty, error) { + panic("not implemented") // TODO: Implement +} + +func (p *proxyContainerApi) Update(_ context.Context, _ *v1.UpdateRequest) (*v1.UpdateResponse, error) { + panic("not implemented") // TODO: Implement +} + +func (p *proxyContainerApi) Exec(_ context.Context, _ *v1.ExecRequest) (*v1.ExecResponse, error) { + panic("not implemented") // TODO: Implement +}