mirror of
https://github.com/ceph/ceph-csi.git
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62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
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/*
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Copyright 2022 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package manager
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import (
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"context"
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"errors"
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"net"
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"net/http"
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"github.com/go-logr/logr"
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)
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// server is a general purpose HTTP server Runnable for a manager
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// to serve some internal handlers such as health probes, metrics and profiling.
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type server struct {
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Kind string
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Log logr.Logger
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Server *http.Server
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Listener net.Listener
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}
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func (s *server) Start(ctx context.Context) error {
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log := s.Log.WithValues("kind", s.Kind, "addr", s.Listener.Addr())
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serverShutdown := make(chan struct{})
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go func() {
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<-ctx.Done()
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log.Info("shutting down server")
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if err := s.Server.Shutdown(context.Background()); err != nil {
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log.Error(err, "error shutting down server")
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}
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close(serverShutdown)
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}()
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log.Info("starting server")
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if err := s.Server.Serve(s.Listener); err != nil && !errors.Is(err, http.ErrServerClosed) {
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return err
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}
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<-serverShutdown
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return nil
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}
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func (s *server) NeedLeaderElection() bool {
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return false
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}
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