mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-07 17:48:29 +08:00
bef06e5acf
issue: #33285 - register streaming coord service into datacoord. - add new streaming node role. - add global static switch to enable streaming service or not. Signed-off-by: chyezh <chyezh@outlook.com>
91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
package server
|
|
|
|
import (
|
|
"context"
|
|
|
|
"google.golang.org/grpc"
|
|
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
|
|
"github.com/milvus-io/milvus-proto/go-api/v2/milvuspb"
|
|
"github.com/milvus-io/milvus/internal/proto/streamingpb"
|
|
"github.com/milvus-io/milvus/internal/streamingnode/server/service"
|
|
"github.com/milvus-io/milvus/internal/streamingnode/server/walmanager"
|
|
"github.com/milvus-io/milvus/internal/util/componentutil"
|
|
"github.com/milvus-io/milvus/internal/util/sessionutil"
|
|
"github.com/milvus-io/milvus/pkg/log"
|
|
_ "github.com/milvus-io/milvus/pkg/streaming/walimpls/impls/pulsar"
|
|
_ "github.com/milvus-io/milvus/pkg/streaming/walimpls/impls/rmq"
|
|
)
|
|
|
|
// Server is the streamingnode server.
|
|
type Server struct {
|
|
// session of current server.
|
|
session *sessionutil.Session
|
|
grpcServer *grpc.Server
|
|
|
|
// service level instances.
|
|
handlerService service.HandlerService
|
|
managerService service.ManagerService
|
|
componentStateService *componentutil.ComponentStateService // state.
|
|
|
|
// basic component instances.
|
|
walManager walmanager.Manager
|
|
}
|
|
|
|
// Init initializes the streamingnode server.
|
|
func (s *Server) Init(ctx context.Context) (err error) {
|
|
log.Info("init streamingnode server...")
|
|
s.componentStateService.OnInitializing()
|
|
// init all basic components.
|
|
s.initBasicComponent(ctx)
|
|
|
|
// init all service.
|
|
s.initService(ctx)
|
|
log.Info("streamingnode server initialized")
|
|
s.componentStateService.OnInitialized(s.session.ServerID)
|
|
return nil
|
|
}
|
|
|
|
// Start starts the streamingnode server.
|
|
func (s *Server) Start() {
|
|
// Just do nothing now.
|
|
}
|
|
|
|
// Stop stops the streamingnode server.
|
|
func (s *Server) Stop() {
|
|
log.Info("stopping streamingnode server...")
|
|
s.componentStateService.OnStopping()
|
|
log.Info("close wal manager...")
|
|
s.walManager.Close()
|
|
log.Info("streamingnode server stopped")
|
|
}
|
|
|
|
// Health returns the health status of the streamingnode server.
|
|
func (s *Server) Health(ctx context.Context) commonpb.StateCode {
|
|
resp, _ := s.componentStateService.GetComponentStates(ctx, &milvuspb.GetComponentStatesRequest{})
|
|
return resp.State.StateCode
|
|
}
|
|
|
|
// initBasicComponent initialize all underlying dependency for streamingnode.
|
|
func (s *Server) initBasicComponent(_ context.Context) {
|
|
var err error
|
|
s.walManager, err = walmanager.OpenManager()
|
|
if err != nil {
|
|
panic("open wal manager failed")
|
|
}
|
|
}
|
|
|
|
// initService initializes the grpc service.
|
|
func (s *Server) initService(_ context.Context) {
|
|
s.handlerService = service.NewHandlerService(s.walManager)
|
|
s.managerService = service.NewManagerService(s.walManager)
|
|
s.registerGRPCService(s.grpcServer)
|
|
}
|
|
|
|
// registerGRPCService register all grpc service to grpc server.
|
|
func (s *Server) registerGRPCService(grpcServer *grpc.Server) {
|
|
streamingpb.RegisterStreamingNodeHandlerServiceServer(grpcServer, s.handlerService)
|
|
streamingpb.RegisterStreamingNodeManagerServiceServer(grpcServer, s.managerService)
|
|
streamingpb.RegisterStreamingNodeStateServiceServer(grpcServer, s.componentStateService)
|
|
}
|