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hydra_oidc_poc/common/handlers/startup.go

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/*
Copyright 2020, 2021 Jan Dittberner
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 handlers
import (
"context"
"net/http"
"os"
"os/signal"
"sync/atomic"
"time"
"github.com/knadh/koanf"
"github.com/sirupsen/logrus"
)
func StartApplication(logger *logrus.Logger, ctx context.Context, server *http.Server, config *koanf.Koanf) {
done := make(chan bool)
quit := make(chan os.Signal, 1)
signal.Notify(quit, os.Interrupt)
go func() {
<-quit
logger.Infoln("Server is shutting down...")
atomic.StoreInt32(&Healthy, 0)
ctx, cancel := context.WithTimeout(ctx, 30*time.Second)
defer cancel()
server.SetKeepAlivesEnabled(false)
if err := server.Shutdown(ctx); err != nil {
logger.Fatalf("Could not gracefully shutdown the server: %v\n", err)
}
close(done)
}()
logger.Infof("Server is ready to handle requests at https://%s/", server.Addr)
atomic.StoreInt32(&Healthy, 1)
if err := server.ListenAndServeTLS(
config.String("server.certificate"), config.String("server.key"),
); err != nil && err != http.ErrServerClosed {
logger.Fatalf("Could not listen on %s: %v\n", server.Addr, err)
}
<-done
logger.Infoln("Server stopped")
}