milvus/internal/distributed/querynode/service.go
bigsheeper 1634d75980 Release flowgraph properly
Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
2021-03-22 12:49:50 -05:00

344 lines
9.3 KiB
Go

package grpcquerynode
import (
"context"
"fmt"
"io"
"math"
"net"
"strconv"
"sync"
"time"
"github.com/zilliztech/milvus-distributed/internal/util/retry"
"github.com/zilliztech/milvus-distributed/internal/types"
otgrpc "github.com/opentracing-contrib/go-grpc"
"github.com/opentracing/opentracing-go"
"go.uber.org/zap"
"google.golang.org/grpc"
dsc "github.com/zilliztech/milvus-distributed/internal/distributed/dataservice/client"
isc "github.com/zilliztech/milvus-distributed/internal/distributed/indexservice/client"
msc "github.com/zilliztech/milvus-distributed/internal/distributed/masterservice/client"
qsc "github.com/zilliztech/milvus-distributed/internal/distributed/queryservice/client"
"github.com/zilliztech/milvus-distributed/internal/log"
"github.com/zilliztech/milvus-distributed/internal/msgstream"
"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
"github.com/zilliztech/milvus-distributed/internal/proto/internalpb"
"github.com/zilliztech/milvus-distributed/internal/proto/milvuspb"
"github.com/zilliztech/milvus-distributed/internal/proto/querypb"
qn "github.com/zilliztech/milvus-distributed/internal/querynode"
"github.com/zilliztech/milvus-distributed/internal/util/funcutil"
"github.com/zilliztech/milvus-distributed/internal/util/trace"
"github.com/zilliztech/milvus-distributed/internal/util/typeutil"
)
type UniqueID = typeutil.UniqueID
type Server struct {
querynode *qn.QueryNode
wg sync.WaitGroup
ctx context.Context
cancel context.CancelFunc
grpcErrChan chan error
grpcServer *grpc.Server
dataService *dsc.Client
masterService *msc.GrpcClient
indexService *isc.Client
queryService *qsc.Client
closer io.Closer
}
func NewServer(ctx context.Context, factory msgstream.Factory) (*Server, error) {
ctx1, cancel := context.WithCancel(ctx)
s := &Server{
ctx: ctx1,
cancel: cancel,
querynode: qn.NewQueryNodeWithoutID(ctx, factory),
grpcErrChan: make(chan error),
}
return s, nil
}
func (s *Server) init() error {
ctx := context.Background()
Params.Init()
Params.LoadFromEnv()
Params.LoadFromArgs()
qn.Params.Init()
qn.Params.QueryNodeIP = Params.QueryNodeIP
qn.Params.QueryNodePort = int64(Params.QueryNodePort)
qn.Params.QueryNodeID = Params.QueryNodeID
tracer, closer, err := trace.InitTracing(fmt.Sprintf("query_node ip: %s, port: %d", Params.QueryNodeIP, Params.QueryNodePort))
if err != nil {
log.Error("query_node", zap.String("init trace err", err.Error()))
}
opentracing.SetGlobalTracer(tracer)
s.closer = closer
log.Debug("QueryNode", zap.Int("port", Params.QueryNodePort))
s.wg.Add(1)
go s.startGrpcLoop(Params.QueryNodePort)
// wait for grpc server loop start
err = <-s.grpcErrChan
if err != nil {
return err
}
// --- QueryService ---
log.Debug("QueryService", zap.String("address", Params.QueryServiceAddress))
log.Debug("Init Query service client ...")
queryService, err := qsc.NewClient(Params.QueryServiceAddress, 20*time.Second)
if err != nil {
panic(err)
}
if err = queryService.Init(); err != nil {
panic(err)
}
if err = queryService.Start(); err != nil {
panic(err)
}
err = funcutil.WaitForComponentInitOrHealthy(ctx, queryService, "QueryService", 1000000, time.Millisecond*200)
if err != nil {
panic(err)
}
if err := s.SetQueryService(queryService); err != nil {
panic(err)
}
// --- Master Server Client ---
//ms.Params.Init()
addr := Params.MasterAddress
log.Debug("Master service", zap.String("address", addr))
log.Debug("Init master service client ...")
masterService, err := msc.NewClient(addr, 20*time.Second)
if err != nil {
panic(err)
}
if err = masterService.Init(); err != nil {
panic(err)
}
if err = masterService.Start(); err != nil {
panic(err)
}
err = funcutil.WaitForComponentHealthy(ctx, masterService, "MasterService", 1000000, time.Millisecond*200)
if err != nil {
panic(err)
}
if err := s.SetMasterService(masterService); err != nil {
panic(err)
}
// --- IndexService ---
log.Debug("Index service", zap.String("address", Params.IndexServiceAddress))
indexService := isc.NewClient(Params.IndexServiceAddress)
if err := indexService.Init(); err != nil {
panic(err)
}
if err := indexService.Start(); err != nil {
panic(err)
}
// wait indexservice healthy
err = funcutil.WaitForComponentHealthy(ctx, indexService, "IndexService", 1000000, time.Millisecond*200)
if err != nil {
panic(err)
}
if err := s.SetIndexService(indexService); err != nil {
panic(err)
}
// --- DataService ---
log.Debug("Data service", zap.String("address", Params.DataServiceAddress))
log.Debug("QueryNode Init data service client ...")
dataService := dsc.NewClient(Params.DataServiceAddress)
if err = dataService.Init(); err != nil {
panic(err)
}
if err = dataService.Start(); err != nil {
panic(err)
}
err = funcutil.WaitForComponentInitOrHealthy(ctx, dataService, "DataService", 1000000, time.Millisecond*200)
if err != nil {
panic(err)
}
if err := s.SetDataService(dataService); err != nil {
panic(err)
}
s.querynode.UpdateStateCode(internalpb.StateCode_Initializing)
if err := s.querynode.Init(); err != nil {
log.Error("querynode init error: ", zap.Error(err))
return err
}
return nil
}
func (s *Server) start() error {
return s.querynode.Start()
}
func (s *Server) startGrpcLoop(grpcPort int) {
defer s.wg.Done()
var lis net.Listener
var err error
err = retry.Retry(10, 0, func() error {
addr := ":" + strconv.Itoa(grpcPort)
lis, err = net.Listen("tcp", addr)
if err == nil {
Params.QueryNodePort = lis.Addr().(*net.TCPAddr).Port
} else {
// set port=0 to get next available port
grpcPort = 0
}
return err
})
if err != nil {
log.Error("QueryNode GrpcServer:failed to listen", zap.Error(err))
s.grpcErrChan <- err
return
}
tracer := opentracing.GlobalTracer()
s.grpcServer = grpc.NewServer(
grpc.MaxRecvMsgSize(math.MaxInt32),
grpc.MaxSendMsgSize(math.MaxInt32),
grpc.UnaryInterceptor(
otgrpc.OpenTracingServerInterceptor(tracer)),
grpc.StreamInterceptor(
otgrpc.OpenTracingStreamServerInterceptor(tracer)))
querypb.RegisterQueryNodeServer(s.grpcServer, s)
ctx, cancel := context.WithCancel(s.ctx)
defer cancel()
go funcutil.CheckGrpcReady(ctx, s.grpcErrChan)
if err := s.grpcServer.Serve(lis); err != nil {
log.Debug("QueryNode Start Grpc Failed!!!!")
s.grpcErrChan <- err
}
}
func (s *Server) Run() error {
if err := s.init(); err != nil {
return err
}
log.Debug("QueryNode init done ...")
if err := s.start(); err != nil {
return err
}
log.Debug("QueryNode start done ...")
return nil
}
func (s *Server) Stop() error {
if err := s.closer.Close(); err != nil {
return err
}
s.cancel()
if s.grpcServer != nil {
s.grpcServer.GracefulStop()
}
err := s.querynode.Stop()
if err != nil {
return err
}
s.wg.Wait()
return nil
}
func (s *Server) SetMasterService(masterService types.MasterService) error {
return s.querynode.SetMasterService(masterService)
}
func (s *Server) SetQueryService(queryService types.QueryService) error {
return s.querynode.SetQueryService(queryService)
}
func (s *Server) SetIndexService(indexService types.IndexService) error {
return s.querynode.SetIndexService(indexService)
}
func (s *Server) SetDataService(dataService types.DataService) error {
return s.querynode.SetDataService(dataService)
}
func (s *Server) GetTimeTickChannel(ctx context.Context, req *internalpb.GetTimeTickChannelRequest) (*milvuspb.StringResponse, error) {
return s.querynode.GetTimeTickChannel(ctx)
}
func (s *Server) GetStatisticsChannel(ctx context.Context, req *internalpb.GetStatisticsChannelRequest) (*milvuspb.StringResponse, error) {
return s.querynode.GetStatisticsChannel(ctx)
}
func (s *Server) GetComponentStates(ctx context.Context, req *internalpb.GetComponentStatesRequest) (*internalpb.ComponentStates, error) {
// ignore ctx and in
return s.querynode.GetComponentStates(ctx)
}
func (s *Server) AddQueryChannel(ctx context.Context, req *querypb.AddQueryChannelRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.AddQueryChannel(ctx, req)
}
func (s *Server) RemoveQueryChannel(ctx context.Context, req *querypb.RemoveQueryChannelRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.RemoveQueryChannel(ctx, req)
}
func (s *Server) WatchDmChannels(ctx context.Context, req *querypb.WatchDmChannelsRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.WatchDmChannels(ctx, req)
}
func (s *Server) LoadSegments(ctx context.Context, req *querypb.LoadSegmentsRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.LoadSegments(ctx, req)
}
func (s *Server) ReleaseCollection(ctx context.Context, req *querypb.ReleaseCollectionRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.ReleaseCollection(ctx, req)
}
func (s *Server) ReleasePartitions(ctx context.Context, req *querypb.ReleasePartitionsRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.ReleasePartitions(ctx, req)
}
func (s *Server) ReleaseSegments(ctx context.Context, req *querypb.ReleaseSegmentsRequest) (*commonpb.Status, error) {
// ignore ctx
return s.querynode.ReleaseSegments(ctx, req)
}
func (s *Server) GetSegmentInfo(ctx context.Context, req *querypb.GetSegmentInfoRequest) (*querypb.GetSegmentInfoResponse, error) {
return s.querynode.GetSegmentInfo(ctx, req)
}