From d28f3214cee5d84581ef2d5cde7ec1220f7bd869 Mon Sep 17 00:00:00 2001 From: Sida Chen Date: Thu, 30 Aug 2018 15:09:24 -0400 Subject: [PATCH] Add Status endpoint with Clair configuration Implement a status endpoint providing the current lister/detector in the current instance of Clair. --- api/v3/clairpb/clair.pb.go | 258 +++++++++++++++++++++--------- api/v3/clairpb/clair.pb.gw.go | 95 +++++++++++ api/v3/clairpb/clair.proto | 14 ++ api/v3/clairpb/clair.swagger.json | 34 ++++ api/v3/clairpb/run_in_docker.sh | 10 -- api/v3/rpc.go | 40 ++--- api/v3/server.go | 12 +- api/v3/util.go | 31 ++++ 8 files changed, 381 insertions(+), 113 deletions(-) create mode 100644 api/v3/util.go diff --git a/api/v3/clairpb/clair.pb.go b/api/v3/clairpb/clair.pb.go index 2dd77344..dd851c1e 100644 --- a/api/v3/clairpb/clair.pb.go +++ b/api/v3/clairpb/clair.pb.go @@ -21,6 +21,8 @@ It has these top-level messages: PagedVulnerableAncestries MarkNotificationAsReadRequest MarkNotificationAsReadResponse + GetStatusRequest + GetStatusResponse */ package clairpb @@ -677,6 +679,39 @@ func (m *MarkNotificationAsReadResponse) String() string { return pro func (*MarkNotificationAsReadResponse) ProtoMessage() {} func (*MarkNotificationAsReadResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{12} } +type GetStatusRequest struct { + Test string `protobuf:"bytes,1,opt,name=test" json:"test,omitempty"` +} + +func (m *GetStatusRequest) Reset() { *m = GetStatusRequest{} } +func (m *GetStatusRequest) String() string { return proto.CompactTextString(m) } +func (*GetStatusRequest) ProtoMessage() {} +func (*GetStatusRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} } + +func (m *GetStatusRequest) GetTest() string { + if m != nil { + return m.Test + } + return "" +} + +type GetStatusResponse struct { + // The status of the current Clair instance. + Status *ClairStatus `protobuf:"bytes,1,opt,name=status" json:"status,omitempty"` +} + +func (m *GetStatusResponse) Reset() { *m = GetStatusResponse{} } +func (m *GetStatusResponse) String() string { return proto.CompactTextString(m) } +func (*GetStatusResponse) ProtoMessage() {} +func (*GetStatusResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} } + +func (m *GetStatusResponse) GetStatus() *ClairStatus { + if m != nil { + return m.Status + } + return nil +} + func init() { proto.RegisterType((*Vulnerability)(nil), "coreos.clair.Vulnerability") proto.RegisterType((*Feature)(nil), "coreos.clair.Feature") @@ -695,6 +730,8 @@ func init() { proto.RegisterType((*PagedVulnerableAncestries_IndexedAncestryName)(nil), "coreos.clair.PagedVulnerableAncestries.IndexedAncestryName") proto.RegisterType((*MarkNotificationAsReadRequest)(nil), "coreos.clair.MarkNotificationAsReadRequest") proto.RegisterType((*MarkNotificationAsReadResponse)(nil), "coreos.clair.MarkNotificationAsReadResponse") + proto.RegisterType((*GetStatusRequest)(nil), "coreos.clair.GetStatusRequest") + proto.RegisterType((*GetStatusResponse)(nil), "coreos.clair.GetStatusResponse") } // Reference imports to suppress errors if they are not otherwise used. @@ -907,83 +944,152 @@ var _NotificationService_serviceDesc = grpc.ServiceDesc{ Metadata: "api/v3/clairpb/clair.proto", } +// Client API for StatusService service + +type StatusServiceClient interface { + // The RPC used to show the internal state of current Clair instance. + GetStatus(ctx context.Context, in *GetStatusRequest, opts ...grpc.CallOption) (*GetStatusResponse, error) +} + +type statusServiceClient struct { + cc *grpc.ClientConn +} + +func NewStatusServiceClient(cc *grpc.ClientConn) StatusServiceClient { + return &statusServiceClient{cc} +} + +func (c *statusServiceClient) GetStatus(ctx context.Context, in *GetStatusRequest, opts ...grpc.CallOption) (*GetStatusResponse, error) { + out := new(GetStatusResponse) + err := grpc.Invoke(ctx, "/coreos.clair.StatusService/GetStatus", in, out, c.cc, opts...) + if err != nil { + return nil, err + } + return out, nil +} + +// Server API for StatusService service + +type StatusServiceServer interface { + // The RPC used to show the internal state of current Clair instance. + GetStatus(context.Context, *GetStatusRequest) (*GetStatusResponse, error) +} + +func RegisterStatusServiceServer(s *grpc.Server, srv StatusServiceServer) { + s.RegisterService(&_StatusService_serviceDesc, srv) +} + +func _StatusService_GetStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) { + in := new(GetStatusRequest) + if err := dec(in); err != nil { + return nil, err + } + if interceptor == nil { + return srv.(StatusServiceServer).GetStatus(ctx, in) + } + info := &grpc.UnaryServerInfo{ + Server: srv, + FullMethod: "/coreos.clair.StatusService/GetStatus", + } + handler := func(ctx context.Context, req interface{}) (interface{}, error) { + return srv.(StatusServiceServer).GetStatus(ctx, req.(*GetStatusRequest)) + } + return interceptor(ctx, in, info, handler) +} + +var _StatusService_serviceDesc = grpc.ServiceDesc{ + ServiceName: "coreos.clair.StatusService", + HandlerType: (*StatusServiceServer)(nil), + Methods: []grpc.MethodDesc{ + { + MethodName: "GetStatus", + Handler: _StatusService_GetStatus_Handler, + }, + }, + Streams: []grpc.StreamDesc{}, + Metadata: "api/v3/clairpb/clair.proto", +} + func init() { proto.RegisterFile("api/v3/clairpb/clair.proto", fileDescriptor0) } var fileDescriptor0 = []byte{ - // 1191 bytes of a gzipped FileDescriptorProto - 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x57, 0x4f, 0x73, 0xdb, 0x44, - 0x14, 0x1f, 0x29, 0x71, 0xec, 0x3c, 0x3b, 0x7f, 0xba, 0x76, 0x53, 0x45, 0x69, 0x8b, 0x23, 0xe8, - 0xb4, 0x93, 0x30, 0xf6, 0xc4, 0xe1, 0x50, 0xc2, 0x81, 0x49, 0xda, 0xa6, 0x74, 0xa6, 0x74, 0x3a, - 0x2a, 0xe4, 0x00, 0x07, 0xcf, 0x5a, 0x7a, 0x4e, 0x34, 0x91, 0x25, 0xa3, 0x5d, 0x3b, 0xf1, 0x74, - 0x7a, 0xe1, 0xca, 0x09, 0x38, 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+ +func request_StatusService_GetStatus_0(ctx context.Context, marshaler runtime.Marshaler, client StatusServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) { + var protoReq GetStatusRequest + var metadata runtime.ServerMetadata + + if err := runtime.PopulateQueryParameters(&protoReq, req.URL.Query(), filter_StatusService_GetStatus_0); err != nil { + return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err) + } + + msg, err := client.GetStatus(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD)) + return msg, metadata, err + +} + // RegisterAncestryServiceHandlerFromEndpoint is same as RegisterAncestryServiceHandler but // automatically dials to "endpoint" and closes the connection when "ctx" gets done. func RegisterAncestryServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) { @@ -361,3 +378,81 @@ var ( forward_NotificationService_MarkNotificationAsRead_0 = runtime.ForwardResponseMessage ) + +// RegisterStatusServiceHandlerFromEndpoint is same as RegisterStatusServiceHandler but +// automatically dials to "endpoint" and closes the connection when "ctx" gets done. +func RegisterStatusServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) { + conn, err := grpc.Dial(endpoint, opts...) + if err != nil { + return err + } + defer func() { + if err != nil { + if cerr := conn.Close(); cerr != nil { + grpclog.Printf("Failed to close conn to %s: %v", endpoint, cerr) + } + return + } + go func() { + <-ctx.Done() + if cerr := conn.Close(); cerr != nil { + grpclog.Printf("Failed to close conn to %s: %v", endpoint, cerr) + } + }() + }() + + return RegisterStatusServiceHandler(ctx, mux, conn) +} + +// RegisterStatusServiceHandler registers the http handlers for service StatusService to "mux". +// The handlers forward requests to the grpc endpoint over "conn". +func RegisterStatusServiceHandler(ctx context.Context, mux *runtime.ServeMux, conn *grpc.ClientConn) error { + return RegisterStatusServiceHandlerClient(ctx, mux, NewStatusServiceClient(conn)) +} + +// RegisterStatusServiceHandler registers the http handlers for service StatusService to "mux". +// The handlers forward requests to the grpc endpoint over the given implementation of "StatusServiceClient". +// Note: the gRPC framework executes interceptors within the gRPC handler. If the passed in "StatusServiceClient" +// doesn't go through the normal gRPC flow (creating a gRPC client etc.) then it will be up to the passed in +// "StatusServiceClient" to call the correct interceptors. +func RegisterStatusServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, client StatusServiceClient) error { + + mux.Handle("GET", pattern_StatusService_GetStatus_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) { + ctx, cancel := context.WithCancel(req.Context()) + defer cancel() + if cn, ok := w.(http.CloseNotifier); ok { + go func(done <-chan struct{}, closed <-chan bool) { + select { + case <-done: + case <-closed: + cancel() + } + }(ctx.Done(), cn.CloseNotify()) + } + inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req) + rctx, err := runtime.AnnotateContext(ctx, mux, req) + if err != nil { + runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err) + return + } + resp, md, err := request_StatusService_GetStatus_0(rctx, inboundMarshaler, client, req, pathParams) + ctx = runtime.NewServerMetadataContext(ctx, md) + if err != nil { + runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err) + return + } + + forward_StatusService_GetStatus_0(ctx, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...) + + }) + + return nil +} + +var ( + pattern_StatusService_GetStatus_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0}, []string{"status"}, "")) +) + +var ( + forward_StatusService_GetStatus_0 = runtime.ForwardResponseMessage +) diff --git a/api/v3/clairpb/clair.proto b/api/v3/clairpb/clair.proto index 4dcce1b3..2a4ca043 100644 --- a/api/v3/clairpb/clair.proto +++ b/api/v3/clairpb/clair.proto @@ -207,3 +207,17 @@ message MarkNotificationAsReadRequest { } message MarkNotificationAsReadResponse {} + +message GetStatusRequest {} + +message GetStatusResponse { + // The status of the current Clair instance. + ClairStatus status = 1; +} + +service StatusService { + // The RPC used to show the internal state of current Clair instance. + rpc GetStatus(GetStatusRequest) returns (GetStatusResponse) { + option (google.api.http) = { get: "/status" }; + } +} diff --git a/api/v3/clairpb/clair.swagger.json b/api/v3/clairpb/clair.swagger.json index 64c8b413..6955451d 100644 --- a/api/v3/clairpb/clair.swagger.json +++ b/api/v3/clairpb/clair.swagger.json @@ -152,6 +152,31 @@ "NotificationService" ] } + }, + "/status": { + "get": { + "summary": "The RPC used to show the internal state of current Clair instance.", + "operationId": "GetStatus", + "responses": { + "200": { + "description": "", + "schema": { + "$ref": "#/definitions/clairGetStatusResponse" + } + } + }, + "parameters": [ + { + "name": "test", + "in": "query", + "required": false, + "type": "string" + } + ], + "tags": [ + "StatusService" + ] + } } }, "definitions": { @@ -329,6 +354,15 @@ } } }, + "clairGetStatusResponse": { + "type": "object", + "properties": { + "status": { + "$ref": "#/definitions/clairClairStatus", + "description": "The status of the current Clair instance." + } + } + }, "clairLayer": { "type": "object", "properties": { diff --git a/api/v3/clairpb/run_in_docker.sh b/api/v3/clairpb/run_in_docker.sh index 28e703ed..72d5e1f1 100755 --- a/api/v3/clairpb/run_in_docker.sh +++ b/api/v3/clairpb/run_in_docker.sh @@ -22,17 +22,7 @@ protoc -I/usr/include -I. \ -I"${GOPATH}/src" \ -I"${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis" \ --go_out=plugins=grpc:. \ - ./api/v3/clairpb/clair.proto - -protoc -I/usr/include -I. \ - -I"${GOPATH}/src" \ - -I"${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis" \ --grpc-gateway_out=logtostderr=true:. \ - ./api/v3/clairpb/clair.proto - -protoc -I/usr/include -I. \ - -I"${GOPATH}/src" \ - -I"${GOPATH}/src/github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis" \ --swagger_out=logtostderr=true:. \ ./api/v3/clairpb/clair.proto diff --git a/api/v3/rpc.go b/api/v3/rpc.go index 02244ff3..3ea60150 100644 --- a/api/v3/rpc.go +++ b/api/v3/rpc.go @@ -17,7 +17,6 @@ package v3 import ( "fmt" - "github.com/golang/protobuf/ptypes" "golang.org/x/net/context" "google.golang.org/grpc/codes" "google.golang.org/grpc/status" @@ -38,6 +37,20 @@ type AncestryServer struct { Store database.Datastore } +// StatusServer implements StatusService interface for serving RPC. +type StatusServer struct { + Store database.Datastore +} + +// GetStatus implements getting the current status of Clair via the Clair service. +func (s *StatusServer) GetStatus(ctx context.Context, req *pb.GetStatusRequest) (*pb.GetStatusResponse, error) { + if clairStatus, err := GetClairStatus(s.Store); err != nil { + return nil, status.Error(codes.Internal, err.Error()) + } else { + return &pb.GetStatusResponse{Status: clairStatus}, nil + } +} + // PostAncestry implements posting an ancestry via the Clair gRPC service. func (s *AncestryServer) PostAncestry(ctx context.Context, req *pb.PostAncestryRequest) (*pb.PostAncestryResponse, error) { ancestryName := req.GetAncestryName() @@ -82,7 +95,7 @@ func (s *AncestryServer) PostAncestry(ctx context.Context, req *pb.PostAncestryR return nil, status.Error(codes.Internal, "ancestry is failed to be processed: "+err.Error()) } - clairStatus, err := s.getClairStatus() + clairStatus, err := GetClairStatus(s.Store) if err != nil { return nil, status.Error(codes.Internal, err.Error()) } @@ -90,27 +103,6 @@ func (s *AncestryServer) PostAncestry(ctx context.Context, req *pb.PostAncestryR return &pb.PostAncestryResponse{Status: clairStatus}, nil } -func (s *AncestryServer) getClairStatus() (*pb.ClairStatus, error) { - status := &pb.ClairStatus{ - Listers: clair.Processors.Listers, - Detectors: clair.Processors.Detectors, - } - - t, firstUpdate, err := clair.GetLastUpdateTime(s.Store) - if err != nil { - return nil, err - } - if firstUpdate { - return status, nil - } - - status.LastUpdateTime, err = ptypes.TimestampProto(t) - if err != nil { - return nil, err - } - return status, nil -} - // GetAncestry implements retrieving an ancestry via the Clair gRPC service. func (s *AncestryServer) GetAncestry(ctx context.Context, req *pb.GetAncestryRequest) (*pb.GetAncestryResponse, error) { if req.GetAncestryName() == "" { @@ -173,7 +165,7 @@ func (s *AncestryServer) GetAncestry(ctx context.Context, req *pb.GetAncestryReq } } - clairStatus, err := s.getClairStatus() + clairStatus, err := GetClairStatus(s.Store) if err != nil { return nil, status.Error(codes.Internal, err.Error()) } diff --git a/api/v3/server.go b/api/v3/server.go index 01037080..cdf356b7 100644 --- a/api/v3/server.go +++ b/api/v3/server.go @@ -69,16 +69,17 @@ func newGrpcServer(store database.Datastore, tlsConfig *tls.Config) *grpc.Server grpcServer := grpc.NewServer(grpcOpts...) pb.RegisterAncestryServiceServer(grpcServer, &AncestryServer{Store: store}) pb.RegisterNotificationServiceServer(grpcServer, &NotificationServer{Store: store}) + pb.RegisterStatusServiceServer(grpcServer, &StatusServer{Store: store}) return grpcServer } -type httpStatusWritter struct { +type httpStatusWriter struct { http.ResponseWriter StatusCode int } -func (w *httpStatusWritter) WriteHeader(code int) { +func (w *httpStatusWriter) WriteHeader(code int) { w.StatusCode = code w.ResponseWriter.WriteHeader(code) } @@ -87,7 +88,7 @@ func (w *httpStatusWritter) WriteHeader(code int) { func logHandler(handler http.Handler) http.Handler { return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { start := time.Now() - lrw := &httpStatusWritter{ResponseWriter: w, StatusCode: http.StatusOK} + lrw := &httpStatusWriter{ResponseWriter: w, StatusCode: http.StatusOK} handler.ServeHTTP(lrw, r) @@ -139,6 +140,11 @@ func newGrpcGatewayServer(ctx context.Context, listenerAddr string, tlsConfig *t log.WithError(err).Fatal("could not initialize notification grpc gateway") } + err = pb.RegisterStatusServiceHandler(ctx, gwmux, conn) + if err != nil { + log.WithError(err).Fatal("could not initialize status grpc gateway") + } + return logHandler(gwmux) } diff --git a/api/v3/util.go b/api/v3/util.go new file mode 100644 index 00000000..ecf2cb12 --- /dev/null +++ b/api/v3/util.go @@ -0,0 +1,31 @@ +package v3 + +import ( + "github.com/coreos/clair" + pb "github.com/coreos/clair/api/v3/clairpb" + "github.com/coreos/clair/database" + "github.com/golang/protobuf/ptypes" +) + +// GetClairStatus retrieves the current status of Clair and wrap it inside +// protobuf struct. +func GetClairStatus(store database.Datastore) (*pb.ClairStatus, error) { + status := &pb.ClairStatus{ + Listers: clair.Processors.Listers, + Detectors: clair.Processors.Detectors, + } + + t, firstUpdate, err := clair.GetLastUpdateTime(store) + if err != nil { + return nil, err + } + if firstUpdate { + return status, nil + } + + status.LastUpdateTime, err = ptypes.TimestampProto(t) + if err != nil { + return nil, err + } + return status, nil +}