mirror of
https://gitee.com/milvus-io/milvus.git
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264 lines
8.4 KiB
Go
264 lines
8.4 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package grpcdatacoord implements grpc server for datacoord
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package grpcdatacoord
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import (
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"context"
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"io"
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"net"
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"strconv"
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"sync"
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"github.com/milvus-io/milvus/internal/logutil"
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"github.com/milvus-io/milvus/internal/types"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
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grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
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"github.com/milvus-io/milvus/internal/datacoord"
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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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"github.com/milvus-io/milvus/internal/util/funcutil"
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"github.com/milvus-io/milvus/internal/util/trace"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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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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)
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// Server is the grpc server of datacoord
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type Server struct {
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ctx context.Context
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cancel context.CancelFunc
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wg sync.WaitGroup
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dataCoord types.DataCoord
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grpcErrChan chan error
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grpcServer *grpc.Server
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closer io.Closer
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}
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// NewServer new data service grpc server
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func NewServer(ctx context.Context, factory msgstream.Factory, opts ...datacoord.Option) (*Server, error) {
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var err error
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ctx1, cancel := context.WithCancel(ctx)
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s := &Server{
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ctx: ctx1,
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cancel: cancel,
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grpcErrChan: make(chan error),
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}
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s.dataCoord, err = datacoord.CreateServer(s.ctx, factory, opts...)
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if err != nil {
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return nil, err
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}
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return s, nil
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}
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func (s *Server) init() error {
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Params.Init()
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closer := trace.InitTracing("datacoord")
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s.closer = closer
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datacoord.Params.InitOnce()
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datacoord.Params.IP = Params.IP
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datacoord.Params.Port = Params.Port
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err := s.dataCoord.Register()
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if err != nil {
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log.Debug("DataCoord Register etcd failed", zap.Error(err))
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return err
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}
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log.Debug("DataCoord Register etcd success")
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err = s.startGrpc()
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if err != nil {
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log.Debug("DataCoord startGrpc failed", zap.Error(err))
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return err
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}
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if err := s.dataCoord.Init(); err != nil {
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log.Error("dataCoord init error", zap.Error(err))
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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) startGrpc() error {
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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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err := <-s.grpcErrChan
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return err
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}
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func (s *Server) startGrpcLoop(grpcPort int) {
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defer logutil.LogPanic()
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defer s.wg.Done()
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log.Debug("network port", zap.Int("port", 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.Error("grpc server failed to listen error", zap.Error(err))
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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.ctx)
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defer cancel()
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opts := trace.GetInterceptorOpts()
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s.grpcServer = grpc.NewServer(
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grpc.MaxRecvMsgSize(Params.ServerMaxRecvSize),
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grpc.MaxSendMsgSize(Params.ServerMaxSendSize),
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grpc.UnaryInterceptor(
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grpc_opentracing.UnaryServerInterceptor(opts...)),
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grpc.StreamInterceptor(
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grpc_opentracing.StreamServerInterceptor(opts...)))
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//grpc.UnaryInterceptor(grpc_prometheus.UnaryServerInterceptor))
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datapb.RegisterDataCoordServer(s.grpcServer, s)
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grpc_prometheus.Register(s.grpcServer)
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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.dataCoord.Start()
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}
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// Stop stops the DataCoord server gracefully.
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// Need to call the GracefulStop interface of grpc server and call the stop method of the inner DataCoord object.
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func (s *Server) Stop() error {
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var err 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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s.cancel()
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if s.grpcServer != nil {
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s.grpcServer.GracefulStop()
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}
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err = s.dataCoord.Stop()
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if err != nil {
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return err
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}
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s.wg.Wait()
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return nil
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}
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// Run starts the Server. Need to call inner init and start method.
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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("DataCoord 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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// GetComponentStates gets states of datacoord and datanodes
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func (s *Server) GetComponentStates(ctx context.Context, req *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error) {
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return s.dataCoord.GetComponentStates(ctx)
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}
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// GetTimeTickChannel gets timetick channel
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func (s *Server) GetTimeTickChannel(ctx context.Context, req *internalpb.GetTimeTickChannelRequest) (*milvuspb.StringResponse, error) {
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return s.dataCoord.GetTimeTickChannel(ctx)
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}
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// GetStatisticsChannel gets statistics channel
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func (s *Server) GetStatisticsChannel(ctx context.Context, req *internalpb.GetStatisticsChannelRequest) (*milvuspb.StringResponse, error) {
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return s.dataCoord.GetStatisticsChannel(ctx)
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}
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// GetSegmentInfo gets segment information according to segment id
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func (s *Server) GetSegmentInfo(ctx context.Context, req *datapb.GetSegmentInfoRequest) (*datapb.GetSegmentInfoResponse, error) {
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return s.dataCoord.GetSegmentInfo(ctx, req)
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}
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// Flush flushes a collection's data
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func (s *Server) Flush(ctx context.Context, req *datapb.FlushRequest) (*datapb.FlushResponse, error) {
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return s.dataCoord.Flush(ctx, req)
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}
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// AssignSegmentID requests to allocate segment space for insert
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func (s *Server) AssignSegmentID(ctx context.Context, req *datapb.AssignSegmentIDRequest) (*datapb.AssignSegmentIDResponse, error) {
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return s.dataCoord.AssignSegmentID(ctx, req)
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}
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// GetSegmentStates gets states of segments
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func (s *Server) GetSegmentStates(ctx context.Context, req *datapb.GetSegmentStatesRequest) (*datapb.GetSegmentStatesResponse, error) {
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return s.dataCoord.GetSegmentStates(ctx, req)
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}
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// GetInsertBinlogPaths gets insert binlog paths of a segment
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func (s *Server) GetInsertBinlogPaths(ctx context.Context, req *datapb.GetInsertBinlogPathsRequest) (*datapb.GetInsertBinlogPathsResponse, error) {
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return s.dataCoord.GetInsertBinlogPaths(ctx, req)
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}
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// GetCollectionStatistics gets statistics of a collection
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func (s *Server) GetCollectionStatistics(ctx context.Context, req *datapb.GetCollectionStatisticsRequest) (*datapb.GetCollectionStatisticsResponse, error) {
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return s.dataCoord.GetCollectionStatistics(ctx, req)
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}
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// GetPartitionStatistics gets statistics of a partition
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func (s *Server) GetPartitionStatistics(ctx context.Context, req *datapb.GetPartitionStatisticsRequest) (*datapb.GetPartitionStatisticsResponse, error) {
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return s.dataCoord.GetPartitionStatistics(ctx, req)
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}
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// GetSegmentInfoChannel gets channel to which datacoord sends segment information
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func (s *Server) GetSegmentInfoChannel(ctx context.Context, req *datapb.GetSegmentInfoChannelRequest) (*milvuspb.StringResponse, error) {
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return s.dataCoord.GetSegmentInfoChannel(ctx)
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}
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// SaveBinlogPaths implement DataCoordServer, saves segment, collection binlog according to datanode request
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func (s *Server) SaveBinlogPaths(ctx context.Context, req *datapb.SaveBinlogPathsRequest) (*commonpb.Status, error) {
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return s.dataCoord.SaveBinlogPaths(ctx, req)
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}
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// GetRecoveryInfo gets information for recovering channels
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func (s *Server) GetRecoveryInfo(ctx context.Context, req *datapb.GetRecoveryInfoRequest) (*datapb.GetRecoveryInfoResponse, error) {
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return s.dataCoord.GetRecoveryInfo(ctx, req)
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}
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// GetFlushedSegments get all flushed segments of a partition
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func (s *Server) GetFlushedSegments(ctx context.Context, req *datapb.GetFlushedSegmentsRequest) (*datapb.GetFlushedSegmentsResponse, error) {
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return s.dataCoord.GetFlushedSegments(ctx, req)
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}
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// GetMetrics gets metrics of data coordinator and datanodes
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func (s *Server) GetMetrics(ctx context.Context, req *milvuspb.GetMetricsRequest) (*milvuspb.GetMetricsResponse, error) {
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return s.dataCoord.GetMetrics(ctx, req)
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}
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