mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 12:59:23 +08:00
281 lines
8.6 KiB
Go
281 lines
8.6 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package grpcqueryservice
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import (
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"context"
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"io"
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"math"
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"net"
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"strconv"
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"sync"
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"time"
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dsc "github.com/milvus-io/milvus/internal/distributed/dataservice/client"
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msc "github.com/milvus-io/milvus/internal/distributed/masterservice/client"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/msgstream"
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qs "github.com/milvus-io/milvus/internal/queryservice"
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"github.com/milvus-io/milvus/internal/types"
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"github.com/milvus-io/milvus/internal/util/funcutil"
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"github.com/milvus-io/milvus/internal/util/trace"
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otgrpc "github.com/opentracing-contrib/go-grpc"
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"github.com/opentracing/opentracing-go"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/proto/milvuspb"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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)
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type Server struct {
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wg sync.WaitGroup
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loopCtx context.Context
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loopCancel context.CancelFunc
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grpcServer *grpc.Server
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grpcErrChan chan error
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queryservice *qs.QueryService
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msFactory msgstream.Factory
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dataService *dsc.Client
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masterService *msc.GrpcClient
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closer io.Closer
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}
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func NewServer(ctx context.Context, factory msgstream.Factory) (*Server, error) {
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ctx1, cancel := context.WithCancel(ctx)
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svr, err := qs.NewQueryService(ctx1, factory)
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if err != nil {
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cancel()
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return nil, err
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}
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return &Server{
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queryservice: svr,
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loopCtx: ctx1,
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loopCancel: cancel,
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msFactory: factory,
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grpcErrChan: make(chan error),
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}, nil
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}
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func (s *Server) Run() error {
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if err := s.init(); err != nil {
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return err
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}
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log.Debug("QueryService init done ...")
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if err := s.start(); err != nil {
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return err
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}
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return nil
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}
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func (s *Server) init() error {
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ctx := context.Background()
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Params.Init()
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qs.Params.Init()
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qs.Params.Port = Params.Port
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closer := trace.InitTracing("query_service")
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s.closer = closer
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if err := s.queryservice.Register(); err != nil {
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return err
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}
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s.wg.Add(1)
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go s.startGrpcLoop(Params.Port)
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// wait for grpc server loop start
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if err := <-s.grpcErrChan; err != nil {
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return err
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}
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// --- Master Server Client ---
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log.Debug("QueryService try to new MasterService client", zap.Any("MasterServiceAddress", Params.MasterAddress))
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masterService, err := msc.NewClient(qs.Params.MetaRootPath, []string{qs.Params.EtcdAddress}, 3*time.Second)
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if err != nil {
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log.Debug("QueryService try to new MasterService client failed", zap.Error(err))
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panic(err)
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}
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if err = masterService.Init(); err != nil {
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log.Debug("QueryService MasterServiceClient Init failed", zap.Error(err))
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panic(err)
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}
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if err = masterService.Start(); err != nil {
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log.Debug("QueryService MasterServiceClient Start failed", zap.Error(err))
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panic(err)
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}
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// wait for master init or healthy
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log.Debug("QueryService try to wait for MasterService ready")
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err = funcutil.WaitForComponentInitOrHealthy(ctx, masterService, "MasterService", 1000000, time.Millisecond*200)
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if err != nil {
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log.Debug("QueryService wait for MasterService ready failed", zap.Error(err))
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panic(err)
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}
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if err := s.SetMasterService(masterService); err != nil {
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panic(err)
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}
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log.Debug("QueryService report MasterService ready")
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// --- Data service client ---
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log.Debug("QueryService try to new DataService client", zap.Any("DataServiceAddress", Params.DataServiceAddress))
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dataService := dsc.NewClient(qs.Params.MetaRootPath, []string{qs.Params.EtcdAddress}, 3*time.Second)
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if err = dataService.Init(); err != nil {
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log.Debug("QueryService DataServiceClient Init failed", zap.Error(err))
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panic(err)
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}
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if err = dataService.Start(); err != nil {
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log.Debug("QueryService DataServiceClient Start failed", zap.Error(err))
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panic(err)
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}
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log.Debug("QueryService try to wait for DataService ready")
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err = funcutil.WaitForComponentInitOrHealthy(ctx, dataService, "DataService", 1000000, time.Millisecond*200)
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if err != nil {
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log.Debug("QueryService wait for DataService ready failed", zap.Error(err))
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panic(err)
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}
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if err := s.SetDataService(dataService); err != nil {
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panic(err)
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}
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log.Debug("QueryService report DataService ready")
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s.queryservice.UpdateStateCode(internalpb.StateCode_Initializing)
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log.Debug("QueryService", zap.Any("State", internalpb.StateCode_Initializing))
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if err := s.queryservice.Init(); err != nil {
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return err
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}
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return nil
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}
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func (s *Server) startGrpcLoop(grpcPort int) {
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defer s.wg.Done()
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log.Debug("network", zap.String("port", strconv.Itoa(grpcPort)))
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lis, err := net.Listen("tcp", ":"+strconv.Itoa(grpcPort))
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if err != nil {
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log.Debug("GrpcServer:failed to listen:", zap.String("error", err.Error()))
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s.grpcErrChan <- err
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return
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}
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ctx, cancel := context.WithCancel(s.loopCtx)
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defer cancel()
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tracer := opentracing.GlobalTracer()
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s.grpcServer = grpc.NewServer(
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grpc.MaxRecvMsgSize(math.MaxInt32),
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grpc.MaxSendMsgSize(math.MaxInt32),
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grpc.UnaryInterceptor(
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otgrpc.OpenTracingServerInterceptor(tracer)),
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grpc.StreamInterceptor(
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otgrpc.OpenTracingStreamServerInterceptor(tracer)))
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querypb.RegisterQueryServiceServer(s.grpcServer, s)
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go funcutil.CheckGrpcReady(ctx, s.grpcErrChan)
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if err := s.grpcServer.Serve(lis); err != nil {
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s.grpcErrChan <- err
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}
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}
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func (s *Server) start() error {
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return s.queryservice.Start()
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}
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func (s *Server) Stop() error {
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if s.closer != nil {
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if err := s.closer.Close(); err != nil {
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return err
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}
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}
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err := s.queryservice.Stop()
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s.loopCancel()
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if s.grpcServer != nil {
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s.grpcServer.GracefulStop()
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}
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return err
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}
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func (s *Server) SetMasterService(m types.MasterService) error {
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s.queryservice.SetMasterService(m)
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return nil
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}
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func (s *Server) SetDataService(d types.DataService) error {
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s.queryservice.SetDataService(d)
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return nil
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}
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func (s *Server) GetComponentStates(ctx context.Context, req *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error) {
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return s.queryservice.GetComponentStates(ctx)
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}
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func (s *Server) GetTimeTickChannel(ctx context.Context, req *internalpb.GetTimeTickChannelRequest) (*milvuspb.StringResponse, error) {
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return s.queryservice.GetTimeTickChannel(ctx)
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}
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func (s *Server) GetStatisticsChannel(ctx context.Context, req *internalpb.GetStatisticsChannelRequest) (*milvuspb.StringResponse, error) {
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return s.queryservice.GetStatisticsChannel(ctx)
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}
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func (s *Server) RegisterNode(ctx context.Context, req *querypb.RegisterNodeRequest) (*querypb.RegisterNodeResponse, error) {
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return s.queryservice.RegisterNode(ctx, req)
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}
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func (s *Server) ShowCollections(ctx context.Context, req *querypb.ShowCollectionsRequest) (*querypb.ShowCollectionsResponse, error) {
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return s.queryservice.ShowCollections(ctx, req)
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}
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func (s *Server) LoadCollection(ctx context.Context, req *querypb.LoadCollectionRequest) (*commonpb.Status, error) {
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return s.queryservice.LoadCollection(ctx, req)
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}
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func (s *Server) ReleaseCollection(ctx context.Context, req *querypb.ReleaseCollectionRequest) (*commonpb.Status, error) {
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return s.queryservice.ReleaseCollection(ctx, req)
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}
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func (s *Server) ShowPartitions(ctx context.Context, req *querypb.ShowPartitionsRequest) (*querypb.ShowPartitionsResponse, error) {
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return s.queryservice.ShowPartitions(ctx, req)
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}
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func (s *Server) GetPartitionStates(ctx context.Context, req *querypb.GetPartitionStatesRequest) (*querypb.GetPartitionStatesResponse, error) {
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return s.queryservice.GetPartitionStates(ctx, req)
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}
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func (s *Server) LoadPartitions(ctx context.Context, req *querypb.LoadPartitionsRequest) (*commonpb.Status, error) {
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return s.queryservice.LoadPartitions(ctx, req)
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}
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func (s *Server) ReleasePartitions(ctx context.Context, req *querypb.ReleasePartitionsRequest) (*commonpb.Status, error) {
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return s.queryservice.ReleasePartitions(ctx, req)
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}
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func (s *Server) CreateQueryChannel(ctx context.Context, req *querypb.CreateQueryChannelRequest) (*querypb.CreateQueryChannelResponse, error) {
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return s.queryservice.CreateQueryChannel(ctx, req)
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}
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func (s *Server) GetSegmentInfo(ctx context.Context, req *querypb.GetSegmentInfoRequest) (*querypb.GetSegmentInfoResponse, error) {
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return s.queryservice.GetSegmentInfo(ctx, req)
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}
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