116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
package pkg
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/*
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Copyright 2024 Jonas Kaninda
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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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import (
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"context"
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"crypto/tls"
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"fmt"
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"github.com/jkaninda/goma-gateway/pkg/logger"
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"net/http"
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"os"
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"sync"
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"time"
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)
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func (gatewayServer GatewayServer) Start(ctx context.Context) error {
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logger.Info("Initializing routes...")
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route := gatewayServer.Initialize()
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logger.Debug("Routes count=%d Middlewares count=%d", len(gatewayServer.gateway.Routes), len(gatewayServer.middlewares))
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logger.Info("Initializing routes...done")
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tlsConfig := &tls.Config{}
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var listenWithTLS = false
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if cert := gatewayServer.gateway.SSLCertFile; cert != "" && gatewayServer.gateway.SSLKeyFile != "" {
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tlsConf, err := loadTLS(cert, gatewayServer.gateway.SSLKeyFile)
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if err != nil {
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return err
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}
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tlsConfig = tlsConf
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listenWithTLS = true
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}
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// HTTP Server
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httpServer := &http.Server{
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Addr: ":80",
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WriteTimeout: time.Second * time.Duration(gatewayServer.gateway.WriteTimeout),
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ReadTimeout: time.Second * time.Duration(gatewayServer.gateway.ReadTimeout),
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IdleTimeout: time.Second * time.Duration(gatewayServer.gateway.IdleTimeout),
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Handler: route, // Pass our instance of gorilla/mux in.
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}
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// HTTPS Server
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httpsServer := &http.Server{
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Addr: ":443",
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WriteTimeout: time.Second * time.Duration(gatewayServer.gateway.WriteTimeout),
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ReadTimeout: time.Second * time.Duration(gatewayServer.gateway.ReadTimeout),
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IdleTimeout: time.Second * time.Duration(gatewayServer.gateway.IdleTimeout),
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Handler: route, // Pass our instance of gorilla/mux in.
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TLSConfig: tlsConfig,
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}
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if !gatewayServer.gateway.DisableDisplayRouteOnStart {
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printRoute(gatewayServer.gateway.Routes)
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}
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// Set KeepAlive
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httpServer.SetKeepAlivesEnabled(!gatewayServer.gateway.DisableKeepAlive)
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httpsServer.SetKeepAlivesEnabled(!gatewayServer.gateway.DisableKeepAlive)
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go func() {
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logger.Info("Starting HTTP server listen=0.0.0.0:80")
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if err := httpServer.ListenAndServe(); err != nil {
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logger.Fatal("Error starting Goma Gateway HTTP server: %v", err)
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}
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}()
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go func() {
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if listenWithTLS {
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logger.Info("Starting HTTPS server listen=0.0.0.0:443")
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if err := httpsServer.ListenAndServeTLS("", ""); err != nil {
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logger.Fatal("Error starting Goma Gateway HTTPS server: %v", err)
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}
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}
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}()
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var wg sync.WaitGroup
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wg.Add(2)
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go func() {
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defer wg.Done()
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<-ctx.Done()
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shutdownCtx := context.Background()
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shutdownCtx, cancel := context.WithTimeout(shutdownCtx, 10*time.Second)
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defer cancel()
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if err := httpServer.Shutdown(shutdownCtx); err != nil {
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_, err := fmt.Fprintf(os.Stderr, "error shutting down HTTP server: %s\n", err)
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if err != nil {
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return
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}
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}
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}()
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go func() {
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defer wg.Done()
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<-ctx.Done()
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shutdownCtx := context.Background()
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shutdownCtx, cancel := context.WithTimeout(shutdownCtx, 10*time.Second)
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defer cancel()
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if listenWithTLS {
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if err := httpsServer.Shutdown(shutdownCtx); err != nil {
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_, err := fmt.Fprintf(os.Stderr, "error shutting HTTPS server: %s\n", err)
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if err != nil {
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return
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}
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}
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}
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}()
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wg.Wait()
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return nil
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}
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