74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
/*
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Copyright 2020 The Flux CD contributors.
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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 server
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import (
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"context"
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"net/http"
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"os"
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"time"
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"github.com/go-logr/logr"
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"sigs.k8s.io/controller-runtime/pkg/client"
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)
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// EventServer handles event POST requests
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type EventServer struct {
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port string
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logger logr.Logger
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kubeClient client.Client
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}
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// NewEventServer returns an HTTP server that handles events
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func NewEventServer(port string, logger logr.Logger, kubeClient client.Client) *EventServer {
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return &EventServer{
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port: port,
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logger: logger.WithName("event-server"),
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kubeClient: kubeClient,
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}
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}
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// ListenAndServe starts the HTTP server on the specified port
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func (s *EventServer) ListenAndServe(stopCh <-chan struct{}) {
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mux := http.DefaultServeMux
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mux.HandleFunc("/", s.handleEvent())
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srv := &http.Server{
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Addr: s.port,
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Handler: mux,
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}
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go func() {
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if err := srv.ListenAndServe(); err != http.ErrServerClosed {
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s.logger.Error(err, "Event server crashed")
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os.Exit(1)
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}
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}()
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// wait for SIGTERM or SIGINT
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<-stopCh
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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s.logger.Error(err, "Event server graceful shutdown failed")
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} else {
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s.logger.Info("Event server stopped")
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}
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}
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