refactor(mcs): remove global service registration (#9718)

ref #9707

This change removes the global `ServerServiceRegistry` and the auto-registration `install` packages for microservices, as they are no longer used.

Signed-off-by: JmPotato <[email protected]>

Author: JmPotato

cmd/pd-server/main.go

@@ -43,11 +43,6 @@ import (
 	"github.com/tikv/pd/server/apiv2"
 	"github.com/tikv/pd/server/config"
 	"github.com/tikv/pd/server/join"
-
-	// register microservice API
-	_ "github.com/tikv/pd/pkg/mcs/resourcemanager/server/install"
-	_ "github.com/tikv/pd/pkg/mcs/scheduling/server/install"
-	_ "github.com/tikv/pd/pkg/mcs/tso/server/install"
 )
 
 const (

pkg/mcs/metastorage/server/install/install.go

@@ -28,11 +28,6 @@ import (
 	bs "github.com/tikv/pd/pkg/basicserver"
 )
 
-var (
-	// ServerServiceRegistry is the global grpc service registry.
-	ServerServiceRegistry = NewServerServiceRegistry()
-)
-
 // ServiceBuilder is a function that creates a grpc service.
 type ServiceBuilder func(bs.Server) RegistrableService
 

pkg/mcs/registry/registry.go

@@ -52,17 +52,13 @@ func (dummyRestService) ServeHTTP(w http.ResponseWriter, _ *http.Request) {
 	w.Write([]byte("not implemented"))
 }
 
-// ConfigProvider is used to get scheduling config from the given
-// `bs.server` without modifying its interface.
-type ConfigProvider any
-
 // Service is the scheduling grpc service.
 type Service struct {
 	*Server
 }
 
 // NewService creates a new scheduling service.
-func NewService[T ConfigProvider](svr bs.Server) registry.RegistrableService {
+func NewService(svr bs.Server) registry.RegistrableService {
 	server, ok := svr.(*Server)
 	if !ok {
 		log.Fatal("create scheduling server failed")

pkg/mcs/resourcemanager/server/install/install.go

@@ -48,17 +48,13 @@ func (dummyRestService) ServeHTTP(w http.ResponseWriter, _ *http.Request) {
 	w.Write([]byte("not implemented"))
 }
 
-// ConfigProvider is used to get tso config from the given
-// `bs.server` without modifying its interface.
-type ConfigProvider any
-
 // Service is the TSO grpc service.
 type Service struct {
 	*Server
 }
 
 // NewService creates a new TSO service.
-func NewService[T ConfigProvider](svr bs.Server) registry.RegistrableService {
+func NewService(svr bs.Server) registry.RegistrableService {
 	server, ok := svr.(*Server)
 	if !ok {
 		log.Fatal("create tso server failed")

pkg/mcs/scheduling/server/grpc_service.go

@@ -296,9 +296,6 @@ func CreateServer(ctx context.Context, cfg *config.Config, services []string, le
 	}
 	// New way to register services.
 	s.registry = registry.NewServerServiceRegistry()
-	failpoint.Inject("useGlobalRegistry", func() {
-		s.registry = registry.ServerServiceRegistry
-	})
 	s.registry.RegisterService("MetaStorage", ms_server.NewService)
 	s.registry.RegisterService("ResourceManager", rm_server.NewService[*Server])
 	// Register the microservices REST path.

pkg/mcs/scheduling/server/install/install.go

@@ -48,10 +48,6 @@ import (
 	"github.com/tikv/pd/pkg/utils/typeutil"
 	"github.com/tikv/pd/tests"
 	"github.com/tikv/pd/tests/integrations/mcs/utils"
-
-	// Register Service
-	_ "github.com/tikv/pd/pkg/mcs/registry"
-	_ "github.com/tikv/pd/pkg/mcs/resourcemanager/server/install"
 )
 
 func TestMain(m *testing.M) {