ceph-csi/vendor/sigs.k8s.io/controller-runtime/pkg/manager/server.go
Niels de Vos b1a4590967 rebase: update sigs.k8s.io/controller-runtime to current version
There is no release for sigs.k8s.io/controller-runtime that supports
Kubernetes v1.27. The main branch has all the required modifications, so
we can use that for the time being.

Signed-off-by: Niels de Vos <ndevos@ibm.com>
2023-06-06 12:21:43 +00:00

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
}