dragonfly/scheduler/server/server.go

96 lines
2.6 KiB
Go

/*
* Copyright 2020 The Dragonfly Authors
*
* 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 server
import (
"context"
"d7y.io/dragonfly/v2/pkg/basic/dfnet"
logger "d7y.io/dragonfly/v2/pkg/dflog"
"d7y.io/dragonfly/v2/pkg/rpc"
"d7y.io/dragonfly/v2/pkg/rpc/manager"
configServer "d7y.io/dragonfly/v2/pkg/rpc/manager/client"
_ "d7y.io/dragonfly/v2/pkg/rpc/scheduler/server"
"d7y.io/dragonfly/v2/pkg/util/net/iputils"
"d7y.io/dragonfly/v2/pkg/util/stringutils"
"d7y.io/dragonfly/v2/scheduler/config"
"d7y.io/dragonfly/v2/scheduler/service"
"d7y.io/dragonfly/v2/scheduler/service/schedule_worker"
"github.com/pkg/errors"
)
type Server struct {
service *service.SchedulerService
worker schedule_worker.IWorker
server *SchedulerServer
config config.ServerConfig
configServer configServer.ManagerClient
running bool
}
func New(cfg *config.Config) (*Server, error) {
s := &Server{
running: false,
config: cfg.Server,
}
if !stringutils.IsBlank(cfg.ConfigServer) {
cfgServer, err := configServer.NewClient([]dfnet.NetAddr{{
Type: dfnet.TCP,
Addr: cfg.ConfigServer,
}})
if err != nil {
return nil, errors.Wrap(err, "failed to create config server")
}
s.configServer = cfgServer
}
s.service = service.NewSchedulerService(cfg, s.configServer)
s.worker = schedule_worker.NewWorkerGroup(cfg, s.service)
s.server = NewSchedulerServer(cfg, WithSchedulerService(s.service),
WithWorker(s.worker))
return s, nil
}
func (s *Server) Serve() (err error) {
port := s.config.Port
go s.worker.Serve()
defer s.worker.Stop()
s.running = true
logger.Infof("start server at port %d", port)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
if s.configServer != nil {
logger.Info("start scheduler keep alive")
s.configServer.KeepAlive(ctx, &manager.KeepAliveRequest{
HostName: iputils.HostName,
Type: manager.ResourceType_Scheduler,
})
}
err = rpc.StartTcpServer(port, port, s.server)
return
}
func (s *Server) Stop() (err error) {
if s.running {
s.running = false
rpc.StopServer()
}
return
}