mirror of
https://gitee.com/milvus-io/milvus.git
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356 lines
12 KiB
Go
356 lines
12 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 grpcindexcoord
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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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"time"
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clientv3 "go.etcd.io/etcd/client/v3"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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"google.golang.org/grpc/keepalive"
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grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
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ot "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
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"github.com/milvus-io/milvus/api/commonpb"
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"github.com/milvus-io/milvus/api/milvuspb"
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dcc "github.com/milvus-io/milvus/internal/distributed/datacoord/client"
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rcc "github.com/milvus-io/milvus/internal/distributed/rootcoord/client"
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"github.com/milvus-io/milvus/internal/indexcoord"
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ic "github.com/milvus-io/milvus/internal/indexcoord"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/proto/indexpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/types"
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"github.com/milvus-io/milvus/internal/util/dependency"
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"github.com/milvus-io/milvus/internal/util/etcd"
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"github.com/milvus-io/milvus/internal/util/funcutil"
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"github.com/milvus-io/milvus/internal/util/logutil"
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"github.com/milvus-io/milvus/internal/util/paramtable"
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"github.com/milvus-io/milvus/internal/util/trace"
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"github.com/milvus-io/milvus/internal/util/typeutil"
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)
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// Params contains parameters for indexcoord grpc server.
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var Params paramtable.GrpcServerConfig
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// UniqueID is an alias of int64, is used as a unique identifier for the request.
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type UniqueID = typeutil.UniqueID
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// Server is the grpc wrapper of IndexCoord.
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type Server struct {
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indexcoord types.IndexCoordComponent
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grpcServer *grpc.Server
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grpcErrChan chan error
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loopCtx context.Context
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loopCancel func()
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loopWg sync.WaitGroup
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etcdCli *clientv3.Client
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dataCoord types.DataCoord
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rootCoord types.RootCoord
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closer io.Closer
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}
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// Run initializes and starts IndexCoord's grpc service.
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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("IndexCoord 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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log.Debug("IndexCoord start done ...")
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return nil
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}
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// init initializes IndexCoord's grpc service.
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func (s *Server) init() error {
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Params.InitOnce(typeutil.IndexCoordRole)
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indexcoord.Params.InitOnce()
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indexcoord.Params.IndexCoordCfg.Address = Params.GetAddress()
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indexcoord.Params.IndexCoordCfg.Port = Params.Port
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closer := trace.InitTracing("IndexCoord")
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s.closer = closer
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etcdCli, err := etcd.GetEtcdClient(&indexcoord.Params.EtcdCfg)
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if err != nil {
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log.Debug("IndexCoord connect to etcd failed", zap.Error(err))
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return err
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}
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s.etcdCli = etcdCli
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s.indexcoord.SetEtcdClient(s.etcdCli)
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s.loopWg.Add(1)
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go s.startGrpcLoop(indexcoord.Params.IndexCoordCfg.Port)
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// wait for grpc IndexCoord loop start
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if err := <-s.grpcErrChan; err != nil {
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log.Error("IndexCoord", zap.Any("init error", err))
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return err
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}
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if err := s.indexcoord.Init(); err != nil {
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log.Error("IndexCoord", zap.Any("init error", err))
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return err
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}
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// --- RootCoord ---
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if s.rootCoord == nil {
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s.rootCoord, err = rcc.NewClient(s.loopCtx, ic.Params.EtcdCfg.MetaRootPath, s.etcdCli)
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if err != nil {
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log.Debug("IndexCoord try to new RootCoord client failed", zap.Error(err))
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panic(err)
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}
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}
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if err = s.rootCoord.Init(); err != nil {
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log.Debug("IndexCoord RootCoord client init failed", zap.Error(err))
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panic(err)
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}
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if err = s.rootCoord.Start(); err != nil {
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log.Debug("IndexCoord RootCoord client start failed", zap.Error(err))
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panic(err)
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}
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log.Debug("IndexCoord try to wait for RootCoord ready")
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err = funcutil.WaitForComponentHealthy(s.loopCtx, s.rootCoord, typeutil.RootCoordRole, 1000000, time.Millisecond*200)
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if err != nil {
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log.Debug("IndexCoord wait for RootCoord ready failed", zap.Error(err))
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panic(err)
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}
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if err := s.SetRootCoord(s.rootCoord); err != nil {
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panic(err)
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}
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// --- DataCoord ---
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if s.dataCoord == nil {
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s.dataCoord, err = dcc.NewClient(s.loopCtx, ic.Params.EtcdCfg.MetaRootPath, s.etcdCli)
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if err != nil {
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log.Debug("IndexCoord try to new DataCoord client failed", zap.Error(err))
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panic(err)
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}
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}
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if err = s.dataCoord.Init(); err != nil {
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log.Debug("IndexCoord DataCoordClient Init failed", zap.Error(err))
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panic(err)
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}
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if err = s.dataCoord.Start(); err != nil {
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log.Debug("IndexCoord DataCoordClient Start failed", zap.Error(err))
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panic(err)
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}
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log.Debug("IndexCoord try to wait for DataCoord ready")
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err = funcutil.WaitForComponentHealthy(s.loopCtx, s.dataCoord, typeutil.DataCoordRole, 1000000, time.Millisecond*200)
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if err != nil {
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log.Debug("IndexCoord wait for DataCoord ready failed", zap.Error(err))
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panic(err)
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}
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if err := s.SetDataCoord(s.dataCoord); err != nil {
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panic(err)
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}
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return nil
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}
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// start starts IndexCoord's grpc service.
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func (s *Server) start() error {
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if err := s.indexcoord.Start(); err != nil {
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return err
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}
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log.Debug("indexCoord started")
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if err := s.indexcoord.Register(); err != nil {
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log.Error("IndexCoord", zap.Any("register session error", err))
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return err
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}
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log.Debug("IndexCoord registers service successfully")
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return nil
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}
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// Stop stops IndexCoord's grpc service.
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func (s *Server) Stop() error {
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log.Debug("Indexcoord stop", zap.String("Address", Params.GetAddress()))
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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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if s.indexcoord != nil {
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s.indexcoord.Stop()
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}
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if s.etcdCli != nil {
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defer s.etcdCli.Close()
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}
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s.loopCancel()
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if s.grpcServer != nil {
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log.Debug("Graceful stop grpc server...")
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s.grpcServer.GracefulStop()
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}
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s.loopWg.Wait()
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return nil
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}
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// SetClient sets the IndexCoord's instance.
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func (s *Server) SetClient(indexCoordClient types.IndexCoordComponent) error {
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s.indexcoord = indexCoordClient
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return nil
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}
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// SetDataCoord sets the DataCoord's client for IndexCoord component.
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func (s *Server) SetDataCoord(d types.DataCoord) error {
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s.dataCoord = d
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return s.indexcoord.SetDataCoord(d)
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}
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// SetRootCoord sets the RootCoord's client for IndexCoord component.
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func (s *Server) SetRootCoord(d types.RootCoord) error {
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s.rootCoord = d
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return s.indexcoord.SetRootCoord(d)
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}
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// GetComponentStates gets the component states of IndexCoord.
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func (s *Server) GetComponentStates(ctx context.Context, req *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error) {
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return s.indexcoord.GetComponentStates(ctx)
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}
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// GetStatisticsChannel gets the statistics channel of IndexCoord.
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func (s *Server) GetStatisticsChannel(ctx context.Context, req *internalpb.GetStatisticsChannelRequest) (*milvuspb.StringResponse, error) {
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return s.indexcoord.GetStatisticsChannel(ctx)
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}
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// CreateIndex sends the build index request to IndexCoord.
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func (s *Server) CreateIndex(ctx context.Context, req *indexpb.CreateIndexRequest) (*commonpb.Status, error) {
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return s.indexcoord.CreateIndex(ctx, req)
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}
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// GetIndexState gets the index states from IndexCoord.
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// Deprecated: use DescribeIndex instead
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func (s *Server) GetIndexState(ctx context.Context, req *indexpb.GetIndexStateRequest) (*indexpb.GetIndexStateResponse, error) {
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return s.indexcoord.GetIndexState(ctx, req)
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}
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func (s *Server) GetSegmentIndexState(ctx context.Context, req *indexpb.GetSegmentIndexStateRequest) (*indexpb.GetSegmentIndexStateResponse, error) {
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return s.indexcoord.GetSegmentIndexState(ctx, req)
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}
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// GetIndexInfos gets the index file paths from IndexCoord.
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func (s *Server) GetIndexInfos(ctx context.Context, req *indexpb.GetIndexInfoRequest) (*indexpb.GetIndexInfoResponse, error) {
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return s.indexcoord.GetIndexInfos(ctx, req)
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}
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// DescribeIndex gets all indexes of the collection.
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func (s *Server) DescribeIndex(ctx context.Context, req *indexpb.DescribeIndexRequest) (*indexpb.DescribeIndexResponse, error) {
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return s.indexcoord.DescribeIndex(ctx, req)
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}
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// DropIndex sends the drop index request to IndexCoord.
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func (s *Server) DropIndex(ctx context.Context, request *indexpb.DropIndexRequest) (*commonpb.Status, error) {
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return s.indexcoord.DropIndex(ctx, request)
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}
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// Deprecated: use DescribeIndex instead
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func (s *Server) GetIndexBuildProgress(ctx context.Context, req *indexpb.GetIndexBuildProgressRequest) (*indexpb.GetIndexBuildProgressResponse, error) {
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return s.indexcoord.GetIndexBuildProgress(ctx, req)
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}
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// ShowConfigurations gets specified configurations para of IndexCoord
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func (s *Server) ShowConfigurations(ctx context.Context, req *internalpb.ShowConfigurationsRequest) (*internalpb.ShowConfigurationsResponse, error) {
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return s.indexcoord.ShowConfigurations(ctx, req)
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}
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// GetMetrics gets the metrics info of IndexCoord.
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func (s *Server) GetMetrics(ctx context.Context, request *milvuspb.GetMetricsRequest) (*milvuspb.GetMetricsResponse, error) {
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return s.indexcoord.GetMetrics(ctx, request)
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}
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// startGrpcLoop starts the grep loop of IndexCoord component.
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func (s *Server) startGrpcLoop(grpcPort int) {
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defer s.loopWg.Done()
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var kaep = keepalive.EnforcementPolicy{
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MinTime: 5 * time.Second, // If a client pings more than once every 5 seconds, terminate the connection
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PermitWithoutStream: true, // Allow pings even when there are no active streams
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}
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var kasp = keepalive.ServerParameters{
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Time: 60 * time.Second, // Ping the client if it is idle for 60 seconds to ensure the connection is still active
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Timeout: 10 * time.Second, // Wait 10 second for the ping ack before assuming the connection is dead
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}
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log.Debug("IndexCoord", zap.String("network address", Params.IP), zap.Int("network 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.Warn("IndexCoord", zap.String("GrpcServer:failed to listen", 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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opts := trace.GetInterceptorOpts()
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s.grpcServer = grpc.NewServer(
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grpc.KeepaliveEnforcementPolicy(kaep),
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grpc.KeepaliveParams(kasp),
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grpc.MaxRecvMsgSize(Params.ServerMaxRecvSize),
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grpc.MaxSendMsgSize(Params.ServerMaxSendSize),
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grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
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ot.UnaryServerInterceptor(opts...),
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logutil.UnaryTraceLoggerInterceptor)),
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grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
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ot.StreamServerInterceptor(opts...),
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logutil.StreamTraceLoggerInterceptor)))
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indexpb.RegisterIndexCoordServer(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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log.Debug("IndexCoord grpcServer loop exit")
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}
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// NewServer create a new IndexCoord grpc server.
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func NewServer(ctx context.Context, factory dependency.Factory) (*Server, error) {
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ctx1, cancel := context.WithCancel(ctx)
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serverImp, err := indexcoord.NewIndexCoord(ctx, factory)
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if err != nil {
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defer cancel()
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return nil, err
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}
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s := &Server{
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loopCtx: ctx1,
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loopCancel: cancel,
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indexcoord: serverImp,
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grpcErrChan: make(chan error),
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}
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return s, nil
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}
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