milvus/internal/distributed/rootcoord/service.go
xige-16 2af1c27811
Rename queryservice to querycoordinator (#5931)
* Rename queryservice to querycoordinator

Signed-off-by: xige-16 <xi.ge@zilliz.com>

* fix param table

Signed-off-by: xige-16 <xi.ge@zilliz.com>

* code format

Signed-off-by: xige-16 <xi.ge@zilliz.com>

* fix unittest

Signed-off-by: xige-16 <xi.ge@zilliz.com>

* service to coordinator

Signed-off-by: xige-16 <xi.ge@zilliz.com>

* code format

Signed-off-by: xige-16 <xi.ge@zilliz.com>

* set querycoord in ci

Signed-off-by: xige-16 <xi.ge@zilliz.com>
2021-06-22 16:44:09 +08:00

371 lines
12 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software distributed under the License
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
// or implied. See the License for the specific language governing permissions and limitations under the License.
package grpcrootcoord
import (
"context"
"io"
"math"
"net"
"strconv"
"sync"
"time"
"go.uber.org/zap"
"google.golang.org/grpc"
grpc_opentracing "github.com/grpc-ecosystem/go-grpc-middleware/tracing/opentracing"
dsc "github.com/milvus-io/milvus/internal/distributed/datacoord/client"
isc "github.com/milvus-io/milvus/internal/distributed/indexcoord/client"
pnc "github.com/milvus-io/milvus/internal/distributed/proxy/client"
qsc "github.com/milvus-io/milvus/internal/distributed/querycoord/client"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/msgstream"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/internalpb"
"github.com/milvus-io/milvus/internal/proto/milvuspb"
"github.com/milvus-io/milvus/internal/proto/proxypb"
"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
"github.com/milvus-io/milvus/internal/rootcoord"
"github.com/milvus-io/milvus/internal/types"
"github.com/milvus-io/milvus/internal/util/funcutil"
"github.com/milvus-io/milvus/internal/util/sessionutil"
"github.com/milvus-io/milvus/internal/util/trace"
)
// Server grpc wrapper
type Server struct {
rootCoord types.RootCoordComponent
grpcServer *grpc.Server
grpcErrChan chan error
wg sync.WaitGroup
ctx context.Context
cancel context.CancelFunc
dataCoord types.DataCoord
indexCoord types.IndexCoord
queryCoord types.QueryCoord
newIndexCoordClient func(string, []string, time.Duration) types.IndexCoord
newDataCoordClient func(string, []string, time.Duration) types.DataCoord
newQueryCoordClient func(string, []string, time.Duration) types.QueryCoord
closer io.Closer
}
func NewServer(ctx context.Context, factory msgstream.Factory) (*Server, error) {
ctx1, cancel := context.WithCancel(ctx)
s := &Server{
ctx: ctx1,
cancel: cancel,
grpcErrChan: make(chan error),
}
s.setClient()
var err error
s.rootCoord, err = rootcoord.NewCore(s.ctx, factory)
if err != nil {
return nil, err
}
return s, err
}
func (s *Server) setClient() {
ctx := context.Background()
s.newDataCoordClient = func(etcdMetaRoot string, etcdEndpoints []string, timeout time.Duration) types.DataCoord {
dsClient := dsc.NewClient(etcdMetaRoot, etcdEndpoints, timeout)
if err := dsClient.Init(); err != nil {
panic(err)
}
if err := dsClient.Start(); err != nil {
panic(err)
}
if err := funcutil.WaitForComponentInitOrHealthy(ctx, dsClient, "DataCoord", 1000000, 200*time.Millisecond); err != nil {
panic(err)
}
return dsClient
}
s.newIndexCoordClient = func(metaRootPath string, etcdEndpoints []string, timeout time.Duration) types.IndexCoord {
isClient := isc.NewClient(metaRootPath, etcdEndpoints, timeout)
if err := isClient.Init(); err != nil {
panic(err)
}
if err := isClient.Start(); err != nil {
panic(err)
}
return isClient
}
s.newQueryCoordClient = func(metaRootPath string, etcdEndpoints []string, timeout time.Duration) types.QueryCoord {
qsClient, err := qsc.NewClient(metaRootPath, etcdEndpoints, timeout)
if err != nil {
panic(err)
}
if err := qsClient.Init(); err != nil {
panic(err)
}
if err := qsClient.Start(); err != nil {
panic(err)
}
return qsClient
}
}
func (s *Server) Run() error {
if err := s.init(); err != nil {
return err
}
if err := s.start(); err != nil {
return err
}
return nil
}
func (s *Server) init() error {
Params.Init()
rootcoord.Params.Init()
rootcoord.Params.Address = Params.Address
rootcoord.Params.Port = Params.Port
log.Debug("grpc init done ...")
ctx := context.Background()
closer := trace.InitTracing("root_coord")
s.closer = closer
log.Debug("init params done")
err := s.rootCoord.Register()
if err != nil {
return err
}
err = s.startGrpc()
if err != nil {
return err
}
s.rootCoord.UpdateStateCode(internalpb.StateCode_Initializing)
log.Debug("RootCoord", zap.Any("State", internalpb.StateCode_Initializing))
s.rootCoord.SetNewProxyClient(
func(s *sessionutil.Session) (types.ProxyNode, error) {
cli := pnc.NewClient(s.Address, 3*time.Second)
if err := cli.Init(); err != nil {
return nil, err
}
if err := cli.Start(); err != nil {
return nil, err
}
return cli, nil
},
)
if s.newDataCoordClient != nil {
log.Debug("RootCoord start to create DataCoord client")
dataCoord := s.newDataCoordClient(rootcoord.Params.MetaRootPath, rootcoord.Params.EtcdEndpoints, 3*time.Second)
if err := s.rootCoord.SetDataCoord(ctx, dataCoord); err != nil {
panic(err)
}
s.dataCoord = dataCoord
}
if s.newIndexCoordClient != nil {
log.Debug("RootCoord start to create IndexCoord client")
indexCoord := s.newIndexCoordClient(rootcoord.Params.MetaRootPath, rootcoord.Params.EtcdEndpoints, 3*time.Second)
if err := s.rootCoord.SetIndexCoord(indexCoord); err != nil {
panic(err)
}
s.indexCoord = indexCoord
}
if s.newQueryCoordClient != nil {
log.Debug("RootCoord start to create QueryCoord client")
queryCoord := s.newQueryCoordClient(rootcoord.Params.MetaRootPath, rootcoord.Params.EtcdEndpoints, 3*time.Second)
if err := s.rootCoord.SetQueryCoord(queryCoord); err != nil {
panic(err)
}
s.queryCoord = queryCoord
}
return s.rootCoord.Init()
}
func (s *Server) startGrpc() error {
s.wg.Add(1)
go s.startGrpcLoop(Params.Port)
// wait for grpc server loop start
err := <-s.grpcErrChan
return err
}
func (s *Server) startGrpcLoop(grpcPort int) {
defer s.wg.Done()
log.Debug("start grpc ", zap.Int("port", grpcPort))
lis, err := net.Listen("tcp", ":"+strconv.Itoa(grpcPort))
if err != nil {
log.Error("GrpcServer:failed to listen", zap.String("error", err.Error()))
s.grpcErrChan <- err
return
}
ctx, cancel := context.WithCancel(s.ctx)
defer cancel()
opts := trace.GetInterceptorOpts()
s.grpcServer = grpc.NewServer(
grpc.MaxRecvMsgSize(math.MaxInt32),
grpc.MaxSendMsgSize(math.MaxInt32),
grpc.UnaryInterceptor(grpc_opentracing.UnaryServerInterceptor(opts...)),
grpc.StreamInterceptor(grpc_opentracing.StreamServerInterceptor(opts...)))
rootcoordpb.RegisterRootCoordServer(s.grpcServer, s)
go funcutil.CheckGrpcReady(ctx, s.grpcErrChan)
if err := s.grpcServer.Serve(lis); err != nil {
s.grpcErrChan <- err
}
}
func (s *Server) start() error {
log.Debug("Master Core start ...")
if err := s.rootCoord.Start(); err != nil {
return err
}
return nil
}
func (s *Server) Stop() error {
if s.closer != nil {
if err := s.closer.Close(); err != nil {
log.Error("close opentracing", zap.Error(err))
}
}
if s.indexCoord != nil {
if err := s.indexCoord.Stop(); err != nil {
log.Debug("close indexCoord client", zap.Error(err))
}
}
if s.dataCoord != nil {
if err := s.dataCoord.Stop(); err != nil {
log.Debug("close dataCoord client", zap.Error(err))
}
}
if s.queryCoord != nil {
if err := s.queryCoord.Stop(); err != nil {
log.Debug("close queryCoord client", zap.Error(err))
}
}
if s.rootCoord != nil {
if err := s.rootCoord.Stop(); err != nil {
log.Debug("close rootCoord", zap.Error(err))
}
}
s.cancel()
if s.grpcServer != nil {
s.grpcServer.GracefulStop()
}
s.wg.Wait()
return nil
}
func (s *Server) GetComponentStates(ctx context.Context, req *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error) {
return s.rootCoord.GetComponentStates(ctx)
}
// GetTimeTickChannel receiver time tick from proxy service, and put it into this channel
func (s *Server) GetTimeTickChannel(ctx context.Context, req *internalpb.GetTimeTickChannelRequest) (*milvuspb.StringResponse, error) {
return s.rootCoord.GetTimeTickChannel(ctx)
}
// GetStatisticsChannel just define a channel, not used currently
func (s *Server) GetStatisticsChannel(ctx context.Context, req *internalpb.GetStatisticsChannelRequest) (*milvuspb.StringResponse, error) {
return s.rootCoord.GetStatisticsChannel(ctx)
}
//DDL request
func (s *Server) CreateCollection(ctx context.Context, in *milvuspb.CreateCollectionRequest) (*commonpb.Status, error) {
return s.rootCoord.CreateCollection(ctx, in)
}
func (s *Server) DropCollection(ctx context.Context, in *milvuspb.DropCollectionRequest) (*commonpb.Status, error) {
return s.rootCoord.DropCollection(ctx, in)
}
func (s *Server) HasCollection(ctx context.Context, in *milvuspb.HasCollectionRequest) (*milvuspb.BoolResponse, error) {
return s.rootCoord.HasCollection(ctx, in)
}
func (s *Server) DescribeCollection(ctx context.Context, in *milvuspb.DescribeCollectionRequest) (*milvuspb.DescribeCollectionResponse, error) {
return s.rootCoord.DescribeCollection(ctx, in)
}
func (s *Server) ShowCollections(ctx context.Context, in *milvuspb.ShowCollectionsRequest) (*milvuspb.ShowCollectionsResponse, error) {
return s.rootCoord.ShowCollections(ctx, in)
}
func (s *Server) CreatePartition(ctx context.Context, in *milvuspb.CreatePartitionRequest) (*commonpb.Status, error) {
return s.rootCoord.CreatePartition(ctx, in)
}
func (s *Server) DropPartition(ctx context.Context, in *milvuspb.DropPartitionRequest) (*commonpb.Status, error) {
return s.rootCoord.DropPartition(ctx, in)
}
func (s *Server) HasPartition(ctx context.Context, in *milvuspb.HasPartitionRequest) (*milvuspb.BoolResponse, error) {
return s.rootCoord.HasPartition(ctx, in)
}
func (s *Server) ShowPartitions(ctx context.Context, in *milvuspb.ShowPartitionsRequest) (*milvuspb.ShowPartitionsResponse, error) {
return s.rootCoord.ShowPartitions(ctx, in)
}
// CreateIndex index builder service
func (s *Server) CreateIndex(ctx context.Context, in *milvuspb.CreateIndexRequest) (*commonpb.Status, error) {
return s.rootCoord.CreateIndex(ctx, in)
}
func (s *Server) DropIndex(ctx context.Context, in *milvuspb.DropIndexRequest) (*commonpb.Status, error) {
return s.rootCoord.DropIndex(ctx, in)
}
func (s *Server) DescribeIndex(ctx context.Context, in *milvuspb.DescribeIndexRequest) (*milvuspb.DescribeIndexResponse, error) {
return s.rootCoord.DescribeIndex(ctx, in)
}
// AllocTimestamp global timestamp allocator
func (s *Server) AllocTimestamp(ctx context.Context, in *rootcoordpb.AllocTimestampRequest) (*rootcoordpb.AllocTimestampResponse, error) {
return s.rootCoord.AllocTimestamp(ctx, in)
}
func (s *Server) AllocID(ctx context.Context, in *rootcoordpb.AllocIDRequest) (*rootcoordpb.AllocIDResponse, error) {
return s.rootCoord.AllocID(ctx, in)
}
// UpdateChannelTimeTick used to handle ChannelTimeTickMsg
func (s *Server) UpdateChannelTimeTick(ctx context.Context, in *internalpb.ChannelTimeTickMsg) (*commonpb.Status, error) {
return s.rootCoord.UpdateChannelTimeTick(ctx, in)
}
func (s *Server) DescribeSegment(ctx context.Context, in *milvuspb.DescribeSegmentRequest) (*milvuspb.DescribeSegmentResponse, error) {
return s.rootCoord.DescribeSegment(ctx, in)
}
func (s *Server) ShowSegments(ctx context.Context, in *milvuspb.ShowSegmentsRequest) (*milvuspb.ShowSegmentsResponse, error) {
return s.rootCoord.ShowSegments(ctx, in)
}
func (s *Server) ReleaseDQLMessageStream(ctx context.Context, in *proxypb.ReleaseDQLMessageStreamRequest) (*commonpb.Status, error) {
return s.rootCoord.ReleaseDQLMessageStream(ctx, in)
}