116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
package pkg
|
|
|
|
/*
|
|
Copyright 2024 Jonas Kaninda
|
|
|
|
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.
|
|
*/
|
|
import (
|
|
"context"
|
|
"crypto/tls"
|
|
"fmt"
|
|
"github.com/jkaninda/goma-gateway/pkg/logger"
|
|
"net/http"
|
|
"os"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
// Start starts the server
|
|
func (gatewayServer GatewayServer) Start(ctx context.Context) error {
|
|
logger.Info("Initializing routes...")
|
|
route := gatewayServer.Initialize()
|
|
logger.Debug("Routes count=%d Middlewares count=%d", len(gatewayServer.gateway.Routes), len(gatewayServer.middlewares))
|
|
logger.Info("Initializing routes...done")
|
|
tlsConfig := &tls.Config{}
|
|
var listenWithTLS = false
|
|
if cert := gatewayServer.gateway.SSLCertFile; cert != "" && gatewayServer.gateway.SSLKeyFile != "" {
|
|
tlsConf, err := loadTLS(cert, gatewayServer.gateway.SSLKeyFile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
tlsConfig = tlsConf
|
|
listenWithTLS = true
|
|
|
|
}
|
|
// HTTP Server
|
|
httpServer := &http.Server{
|
|
Addr: ":8080",
|
|
WriteTimeout: time.Second * time.Duration(gatewayServer.gateway.WriteTimeout),
|
|
ReadTimeout: time.Second * time.Duration(gatewayServer.gateway.ReadTimeout),
|
|
IdleTimeout: time.Second * time.Duration(gatewayServer.gateway.IdleTimeout),
|
|
Handler: route, // Pass our instance of gorilla/mux in.
|
|
}
|
|
// HTTPS Server
|
|
httpsServer := &http.Server{
|
|
Addr: ":8443",
|
|
WriteTimeout: time.Second * time.Duration(gatewayServer.gateway.WriteTimeout),
|
|
ReadTimeout: time.Second * time.Duration(gatewayServer.gateway.ReadTimeout),
|
|
IdleTimeout: time.Second * time.Duration(gatewayServer.gateway.IdleTimeout),
|
|
Handler: route, // Pass our instance of gorilla/mux in.
|
|
TLSConfig: tlsConfig,
|
|
}
|
|
if !gatewayServer.gateway.DisableDisplayRouteOnStart {
|
|
printRoute(gatewayServer.gateway.Routes)
|
|
}
|
|
// Set KeepAlive
|
|
httpServer.SetKeepAlivesEnabled(!gatewayServer.gateway.DisableKeepAlive)
|
|
go func() {
|
|
logger.Info("Starting HTTP server listen=0.0.0.0:8080")
|
|
if err := httpServer.ListenAndServe(); err != nil {
|
|
logger.Fatal("Error starting Goma Gateway HTTP server: %v", err)
|
|
}
|
|
}()
|
|
go func() {
|
|
if listenWithTLS {
|
|
logger.Info("Starting HTTPS server listen=0.0.0.0:8443")
|
|
if err := httpsServer.ListenAndServeTLS("", ""); err != nil {
|
|
logger.Fatal("Error starting Goma Gateway HTTPS server: %v", err)
|
|
}
|
|
}
|
|
}()
|
|
var wg sync.WaitGroup
|
|
wg.Add(2)
|
|
go func() {
|
|
defer wg.Done()
|
|
<-ctx.Done()
|
|
shutdownCtx := context.Background()
|
|
shutdownCtx, cancel := context.WithTimeout(shutdownCtx, 10*time.Second)
|
|
defer cancel()
|
|
if err := httpServer.Shutdown(shutdownCtx); err != nil {
|
|
_, err := fmt.Fprintf(os.Stderr, "error shutting down HTTP server: %s\n", err)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
go func() {
|
|
defer wg.Done()
|
|
<-ctx.Done()
|
|
shutdownCtx := context.Background()
|
|
shutdownCtx, cancel := context.WithTimeout(shutdownCtx, 10*time.Second)
|
|
defer cancel()
|
|
if listenWithTLS {
|
|
if err := httpsServer.Shutdown(shutdownCtx); err != nil {
|
|
_, err := fmt.Fprintf(os.Stderr, "error shutting HTTPS server: %s\n", err)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
wg.Wait()
|
|
return nil
|
|
|
|
}
|