diff --git a/cmd/thanos/query.go b/cmd/thanos/query.go index 7c65edf77d4..cfd3a7dbe0f 100644 --- a/cmd/thanos/query.go +++ b/cmd/thanos/query.go @@ -675,9 +675,10 @@ func runQuery( info.WithRulesInfoFunc(), info.WithMetricMetadataInfoFunc(), info.WithTargetsInfoFunc(), + info.WithQueryAPIInfoFunc(), ) - grpcAPI := apiv1.NewGRPCAPI(time.Now, queryableCreator, engineCreator, instantDefaultMaxSourceResolution) + grpcAPI := apiv1.NewGRPCAPI(logger, time.Now, queryableCreator, engineCreator, instantDefaultMaxSourceResolution) s := grpcserver.New(logger, reg, tracer, grpcLogOpts, tagOpts, comp, grpcProbe, grpcserver.WithServer(apiv1.RegisterQueryServer(grpcAPI)), grpcserver.WithServer(store.RegisterStoreServer(proxy)), diff --git a/pkg/api/query/grpc.go b/pkg/api/query/grpc.go index b3882b5fe50..7df4ded670c 100644 --- a/pkg/api/query/grpc.go +++ b/pkg/api/query/grpc.go @@ -7,6 +7,7 @@ import ( "context" "time" + "github.com/go-kit/log" "github.com/prometheus/prometheus/promql" "github.com/thanos-io/thanos/pkg/api/query/querypb" "github.com/thanos-io/thanos/pkg/query" @@ -16,14 +17,16 @@ import ( ) type GRPCAPI struct { + logger log.Logger now func() time.Time queryableCreate query.QueryableCreator queryEngine func(int64) *promql.Engine defaultMaxResolutionSeconds time.Duration } -func NewGRPCAPI(now func() time.Time, creator query.QueryableCreator, queryEngine func(int64) *promql.Engine, defaultMaxResolutionSeconds time.Duration) *GRPCAPI { +func NewGRPCAPI(logger log.Logger, now func() time.Time, creator query.QueryableCreator, queryEngine func(int64) *promql.Engine, defaultMaxResolutionSeconds time.Duration) *GRPCAPI { return &GRPCAPI{ + logger: logger, now: now, queryableCreate: creator, queryEngine: queryEngine, diff --git a/pkg/info/info.go b/pkg/info/info.go index 40df172a68f..f61fdef1875 100644 --- a/pkg/info/info.go +++ b/pkg/info/info.go @@ -25,6 +25,7 @@ type InfoServer struct { getRulesInfo func() *infopb.RulesInfo getTargetsInfo func() *infopb.TargetsInfo getMetricMetadataInfo func() *infopb.MetricMetadataInfo + getQueryAPIInfo func() *infopb.QueryAPIInfo } // NewInfoServer creates a new server instance for given component @@ -42,6 +43,7 @@ func NewInfoServer( getRulesInfo: func() *infopb.RulesInfo { return nil }, getTargetsInfo: func() *infopb.TargetsInfo { return nil }, getMetricMetadataInfo: func() *infopb.MetricMetadataInfo { return nil }, + getQueryAPIInfo: func() *infopb.QueryAPIInfo { return nil }, } for _, o := range options { @@ -144,6 +146,21 @@ func WithMetricMetadataInfoFunc(getMetricMetadataInfo ...func() *infopb.MetricMe } } +// WithQueryAPIInfoFunc determines the function that should be executed to obtain +// the query information. If no function is provided, the default empty +// query info is returned. Only the first function from the list is considered. +func WithQueryAPIInfoFunc(queryInfo ...func() *infopb.QueryAPIInfo) ServerOptionFunc { + if len(queryInfo) == 0 { + return func(s *InfoServer) { + s.getQueryAPIInfo = func() *infopb.QueryAPIInfo { return &infopb.QueryAPIInfo{} } + } + } + + return func(s *InfoServer) { + s.getQueryAPIInfo = queryInfo[0] + } +} + // RegisterInfoServer registers the info server. func RegisterInfoServer(infoSrv infopb.InfoServer) func(*grpc.Server) { return func(s *grpc.Server) { @@ -161,5 +178,6 @@ func (srv *InfoServer) Info(ctx context.Context, req *infopb.InfoRequest) (*info Rules: srv.getRulesInfo(), Targets: srv.getTargetsInfo(), MetricMetadata: srv.getMetricMetadataInfo(), + Query: srv.getQueryAPIInfo(), }, nil } diff --git a/pkg/info/infopb/rpc.pb.go b/pkg/info/infopb/rpc.pb.go index 3da712b3e59..703fa1ff80a 100644 --- a/pkg/info/infopb/rpc.pb.go +++ b/pkg/info/infopb/rpc.pb.go @@ -78,6 +78,8 @@ type InfoResponse struct { Targets *TargetsInfo `protobuf:"bytes,6,opt,name=targets,proto3" json:"targets,omitempty"` // ExemplarsInfo holds the metadata related to Exemplars API if exposed by the component otherwise it will be null. Exemplars *ExemplarsInfo `protobuf:"bytes,7,opt,name=exemplars,proto3" json:"exemplars,omitempty"` + // QueryAPIInfo holds the metadata related to Query API if exposed by the component, otherwise it will be null. + Query *QueryAPIInfo `protobuf:"bytes,8,opt,name=query,proto3" json:"query,omitempty"` } func (m *InfoResponse) Reset() { *m = InfoResponse{} } @@ -302,6 +304,43 @@ func (m *ExemplarsInfo) XXX_DiscardUnknown() { var xxx_messageInfo_ExemplarsInfo proto.InternalMessageInfo +// QueryInfo holds the metadata related to Query API exposed by the component. +type QueryAPIInfo struct { +} + +func (m *QueryAPIInfo) Reset() { *m = QueryAPIInfo{} } +func (m *QueryAPIInfo) String() string { return proto.CompactTextString(m) } +func (*QueryAPIInfo) ProtoMessage() {} +func (*QueryAPIInfo) Descriptor() ([]byte, []int) { + return fileDescriptor_a1214ec45d2bf952, []int{7} +} +func (m *QueryAPIInfo) XXX_Unmarshal(b []byte) error { + return m.Unmarshal(b) +} +func (m *QueryAPIInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) { + if deterministic { + return xxx_messageInfo_QueryAPIInfo.Marshal(b, m, deterministic) + } else { + b = b[:cap(b)] + n, err := m.MarshalToSizedBuffer(b) + if err != nil { + return nil, err + } + return b[:n], nil + } +} +func (m *QueryAPIInfo) XXX_Merge(src proto.Message) { + xxx_messageInfo_QueryAPIInfo.Merge(m, src) +} +func (m *QueryAPIInfo) XXX_Size() int { + return m.Size() +} +func (m *QueryAPIInfo) XXX_DiscardUnknown() { + xxx_messageInfo_QueryAPIInfo.DiscardUnknown(m) +} + +var xxx_messageInfo_QueryAPIInfo proto.InternalMessageInfo + func init() { proto.RegisterType((*InfoRequest)(nil), "thanos.info.InfoRequest") proto.RegisterType((*InfoResponse)(nil), "thanos.info.InfoResponse") @@ -310,40 +349,43 @@ func init() { proto.RegisterType((*MetricMetadataInfo)(nil), "thanos.info.MetricMetadataInfo") proto.RegisterType((*TargetsInfo)(nil), "thanos.info.TargetsInfo") proto.RegisterType((*ExemplarsInfo)(nil), "thanos.info.ExemplarsInfo") + proto.RegisterType((*QueryAPIInfo)(nil), "thanos.info.QueryAPIInfo") } func init() { proto.RegisterFile("info/infopb/rpc.proto", fileDescriptor_a1214ec45d2bf952) } var fileDescriptor_a1214ec45d2bf952 = []byte{ - 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i, nil } +func (m *QueryAPIInfo) Marshal() (dAtA []byte, err error) { + size := m.Size() + dAtA = make([]byte, size) + n, err := m.MarshalToSizedBuffer(dAtA[:size]) + if err != nil { + return nil, err + } + return dAtA[:n], nil +} + +func (m *QueryAPIInfo) MarshalTo(dAtA []byte) (int, error) { + size := m.Size() + return m.MarshalToSizedBuffer(dAtA[:size]) +} + +func (m *QueryAPIInfo) MarshalToSizedBuffer(dAtA []byte) (int, error) { + i := len(dAtA) + _ = i + var l int + _ = l + return len(dAtA) - i, nil +} + func encodeVarintRpc(dAtA []byte, offset int, v uint64) int { offset -= sovRpc(v) base := offset @@ -746,6 +823,10 @@ func (m *InfoResponse) Size() (n int) { l = m.Exemplars.Size() n += 1 + l + sovRpc(uint64(l)) } + if m.Query != nil { + l = m.Query.Size() + n += 1 + l + sovRpc(uint64(l)) + } return n } @@ -806,6 +887,15 @@ func (m *ExemplarsInfo) Size() (n int) { return n } +func (m *QueryAPIInfo) Size() (n int) { + if m == nil { + return 0 + } + var l int + _ = l + return n +} + func sovRpc(x uint64) (n int) { return (math_bits.Len64(x|1) + 6) / 7 } @@ -1137,6 +1227,42 @@ func (m *InfoResponse) Unmarshal(dAtA []byte) error { return err } iNdEx = postIndex + case 8: + if wireType != 2 { + return fmt.Errorf("proto: wrong wireType = %d for field Query", wireType) + } + var msglen int + for shift := uint(0); ; shift += 7 { + if shift >= 64 { + return ErrIntOverflowRpc + } + if iNdEx >= l { + return io.ErrUnexpectedEOF + } + b := dAtA[iNdEx] + iNdEx++ + msglen |= int(b&0x7F) << shift + if b < 0x80 { + break + } + } + if msglen < 0 { + return ErrInvalidLengthRpc + } + postIndex := iNdEx + msglen + if postIndex < 0 { + return ErrInvalidLengthRpc + } + if postIndex > l { + return io.ErrUnexpectedEOF + } + if m.Query == nil { + m.Query = &QueryAPIInfo{} + } + if err := m.Query.Unmarshal(dAtA[iNdEx:postIndex]); err != nil { + return err + } + iNdEx = postIndex default: iNdEx = preIndex skippy, err := skipRpc(dAtA[iNdEx:]) @@ -1484,6 +1610,56 @@ func (m *ExemplarsInfo) Unmarshal(dAtA []byte) error { } return nil } +func (m *QueryAPIInfo) 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 ErrIntOverflowRpc + } + 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: QueryAPIInfo: wiretype end group for non-group") + } + if fieldNum <= 0 { + return fmt.Errorf("proto: QueryAPIInfo: illegal tag %d (wire type %d)", fieldNum, wire) + } + switch fieldNum { + default: + iNdEx = preIndex + skippy, err := skipRpc(dAtA[iNdEx:]) + if err != nil { + return err + } + if (skippy < 0) || (iNdEx+skippy) < 0 { + return ErrInvalidLengthRpc + } + if (iNdEx + skippy) > l { + return io.ErrUnexpectedEOF + } + iNdEx += skippy + } + } + + if iNdEx > l { + return io.ErrUnexpectedEOF + } + return nil +} func skipRpc(dAtA []byte) (n int, err error) { l := len(dAtA) iNdEx := 0 diff --git a/pkg/info/infopb/rpc.proto b/pkg/info/infopb/rpc.proto index 3d05168b31e..730b9b2e8e7 100644 --- a/pkg/info/infopb/rpc.proto +++ b/pkg/info/infopb/rpc.proto @@ -31,21 +31,24 @@ message InfoRequest {} message InfoResponse { repeated ZLabelSet label_sets = 1 [(gogoproto.nullable) = false]; string ComponentType = 2; - + // StoreInfo holds the metadata related to Store API if exposed by the component otherwise it will be null. - StoreInfo store = 3; + StoreInfo store = 3; // RulesInfo holds the metadata related to Rules API if exposed by the component otherwise it will be null. RulesInfo rules = 4; - + // MetricMetadataInfo holds the metadata related to Metadata API if exposed by the component otherwise it will be null. MetricMetadataInfo metric_metadata = 5; - + // TargetsInfo holds the metadata related to Targets API if exposed by the component otherwise it will be null. TargetsInfo targets = 6; - + // ExemplarsInfo holds the metadata related to Exemplars API if exposed by the component otherwise it will be null. ExemplarsInfo exemplars = 7; + + // QueryAPIInfo holds the metadata related to Query API if exposed by the component, otherwise it will be null. + QueryAPIInfo query = 8; } // StoreInfo holds the metadata related to Store API exposed by the component. @@ -70,4 +73,8 @@ message TargetsInfo { message ExemplarsInfo { int64 min_time = 1; int64 max_time = 2; -} \ No newline at end of file +} + +// QueryInfo holds the metadata related to Query API exposed by the component. +message QueryAPIInfo { +} diff --git a/pkg/query/endpointset.go b/pkg/query/endpointset.go index 36eca1e7c49..048c7c14369 100644 --- a/pkg/query/endpointset.go +++ b/pkg/query/endpointset.go @@ -12,6 +12,8 @@ import ( "sync" "time" + "github.com/thanos-io/thanos/pkg/api/query/querypb" + "github.com/go-kit/log" "github.com/go-kit/log/level" "github.com/pkg/errors" @@ -118,6 +120,7 @@ func (es *GRPCEndpointSpec) fillExpectedAPIs(componentType component.Component, Targets: &infopb.TargetsInfo{}, MetricMetadata: &infopb.MetricMetadataInfo{}, Exemplars: &infopb.ExemplarsInfo{}, + Query: &infopb.QueryAPIInfo{}, } } case component.Receive: @@ -371,6 +374,20 @@ func (e *EndpointSet) GetStoreClients() []store.Client { return stores } +// GetQueryAPIClients returns a list of all active query API clients. +func (e *EndpointSet) GetQueryAPIClients() []querypb.QueryClient { + e.endpointsMtx.RLock() + defer e.endpointsMtx.RUnlock() + + stores := make([]querypb.QueryClient, 0, len(e.endpoints)) + for _, er := range e.endpoints { + if er.HasQueryAPI() { + stores = append(stores, er.clients.query) + } + } + return stores +} + // GetRulesClients returns a list of all active rules clients. func (e *EndpointSet) GetRulesClients() []rulespb.RulesClient { e.endpointsMtx.RLock() @@ -648,6 +665,10 @@ func (er *endpointRef) Update(metadata *endpointMetadata) { clients.exemplar = exemplarspb.NewExemplarsClient(er.cc) } + if metadata.Query != nil { + clients.query = querypb.NewQueryClient(er.cc) + } + er.clients = clients er.metadata = metadata } @@ -670,6 +691,13 @@ func (er *endpointRef) HasStoreAPI() bool { return er.clients != nil && er.clients.store != nil } +func (er *endpointRef) HasQueryAPI() bool { + er.mtx.RLock() + defer er.mtx.RUnlock() + + return er.clients != nil && er.clients.query != nil +} + func (er *endpointRef) HasRulesAPI() bool { er.mtx.RLock() defer er.mtx.RUnlock() @@ -768,6 +796,10 @@ func (er *endpointRef) apisPresent() []string { apisPresent = append(apisPresent, "MetricMetadataAPI") } + if er.HasQueryAPI() { + apisPresent = append(apisPresent, "QueryAPI") + } + return apisPresent } @@ -777,6 +809,7 @@ type endpointClients struct { metricMetadata metadatapb.MetadataClient exemplar exemplarspb.ExemplarsClient target targetspb.TargetsClient + query querypb.QueryClient info infopb.InfoClient } diff --git a/pkg/query/endpointset_test.go b/pkg/query/endpointset_test.go index 08e59f858d4..181e576e9fe 100644 --- a/pkg/query/endpointset_test.go +++ b/pkg/query/endpointset_test.go @@ -51,6 +51,7 @@ var ( Rules: &infopb.RulesInfo{}, MetricMetadata: &infopb.MetricMetadataInfo{}, Targets: &infopb.TargetsInfo{}, + Query: &infopb.QueryAPIInfo{}, } ruleInfo = &infopb.InfoResponse{ ComponentType: component.Rule.String(),