77 lines
2.1 KiB
Go
77 lines
2.1 KiB
Go
/*
|
|
Copyright 2020 The Flux 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"
|
|
"net/http"
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/go-logr/logr"
|
|
"github.com/slok/go-http-metrics/middleware"
|
|
"github.com/slok/go-http-metrics/middleware/std"
|
|
"sigs.k8s.io/controller-runtime/pkg/client"
|
|
|
|
apiv1 "github.com/fluxcd/notification-controller/api/v1"
|
|
)
|
|
|
|
// ReceiverServer handles webhook POST requests
|
|
type ReceiverServer struct {
|
|
port string
|
|
logger logr.Logger
|
|
kubeClient client.Client
|
|
}
|
|
|
|
// NewReceiverServer returns an HTTP server that handles webhooks
|
|
func NewReceiverServer(port string, logger logr.Logger, kubeClient client.Client) *ReceiverServer {
|
|
return &ReceiverServer{
|
|
port: port,
|
|
logger: logger.WithName("receiver-server"),
|
|
kubeClient: kubeClient,
|
|
}
|
|
}
|
|
|
|
// ListenAndServe starts the HTTP server on the specified port
|
|
func (s *ReceiverServer) ListenAndServe(stopCh <-chan struct{}, mdlw middleware.Middleware) {
|
|
mux := http.NewServeMux()
|
|
mux.Handle(apiv1.ReceiverWebhookPath, http.HandlerFunc(s.handlePayload()))
|
|
h := std.Handler("", mdlw, mux)
|
|
srv := &http.Server{
|
|
Addr: s.port,
|
|
Handler: h,
|
|
}
|
|
|
|
go func() {
|
|
if err := srv.ListenAndServe(); err != http.ErrServerClosed {
|
|
s.logger.Error(err, "Receiver server crashed")
|
|
os.Exit(1)
|
|
}
|
|
}()
|
|
|
|
// wait for SIGTERM or SIGINT
|
|
<-stopCh
|
|
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
|
|
defer cancel()
|
|
|
|
if err := srv.Shutdown(ctx); err != nil {
|
|
s.logger.Error(err, "Receiver server graceful shutdown failed")
|
|
} else {
|
|
s.logger.Info("Receiver server stopped")
|
|
}
|
|
}
|