mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-24 07:10:20 +00:00
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
|
/*
|
||
|
|
Copyright 2022 The Kubernetes 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 manager
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"errors"
|
||
|
|
"net"
|
||
|
|
"net/http"
|
||
|
|
|
||
|
|
"github.com/go-logr/logr"
|
||
|
|
)
|
||
|
|
|
||
|
|
// server is a general purpose HTTP server Runnable for a manager
|
||
|
|
// to serve some internal handlers such as health probes, metrics and profiling.
|
||
|
|
type server struct {
|
||
|
|
Kind string
|
||
|
|
Log logr.Logger
|
||
|
|
Server *http.Server
|
||
|
|
Listener net.Listener
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *server) Start(ctx context.Context) error {
|
||
|
|
log := s.Log.WithValues("kind", s.Kind, "addr", s.Listener.Addr())
|
||
|
|
|
||
|
|
serverShutdown := make(chan struct{})
|
||
|
|
go func() {
|
||
|
|
<-ctx.Done()
|
||
|
|
log.Info("shutting down server")
|
||
|
|
if err := s.Server.Shutdown(context.Background()); err != nil {
|
||
|
|
log.Error(err, "error shutting down server")
|
||
|
|
}
|
||
|
|
close(serverShutdown)
|
||
|
|
}()
|
||
|
|
|
||
|
|
log.Info("starting server")
|
||
|
|
if err := s.Server.Serve(s.Listener); err != nil && !errors.Is(err, http.ErrServerClosed) {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
|
||
|
|
<-serverShutdown
|
||
|
|
return nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *server) NeedLeaderElection() bool {
|
||
|
|
return false
|
||
|
|
}
|