func NewServer()

in pkg/api/server.go [47:104]
53 lines of code
5 McCabe index (conditional complexity)

func NewServer(cfg *config.Config) (*Server, error) {
	httpListener, err := net.Listen("tcp", cfg.HTTPListen)
	if err != nil {
		return nil, err
	}
	gin.SetMode(gin.ReleaseMode)
	httpServer := gin.New()
	httpServer.Use(log.GinRecovery(true), log.GinLogger())
	apirouter.Mount(httpServer)

	srv := &Server{
		HealthState:  new(apirouter.HealthState),
		httpServer:   httpServer,
		httpListener: httpListener,
	}
	apirouter.MountApisixHealthz(httpServer, srv.HealthState)

	if cfg.EnableProfiling {
		srv.pprofMu = new(http.ServeMux)
		srv.pprofMu.HandleFunc("/debug/pprof/cmdline", pprof.Cmdline)
		srv.pprofMu.HandleFunc("/debug/pprof/profile", pprof.Profile)
		srv.pprofMu.HandleFunc("/debug/pprof/symbol", pprof.Symbol)
		srv.pprofMu.HandleFunc("/debug/pprof/trace", pprof.Trace)
		srv.pprofMu.HandleFunc("/debug/pprof/", pprof.Index)
		httpServer.GET("/debug/pprof/*profile", gin.WrapF(srv.pprofMu.ServeHTTP))
	}

	if cfg.Kubernetes.EnableAdmission {
		cert, err := tls.LoadX509KeyPair(cfg.CertFilePath, cfg.KeyFilePath)
		if err != nil {
			log.Warnw("failed to load x509 key pair, will not start admission server",
				zap.String("Error", err.Error()),
				zap.String("CertFilePath", cfg.CertFilePath),
				zap.String("KeyFilePath", cfg.KeyFilePath),
			)
		} else {
			admission := gin.New()
			admission.Use(gin.Recovery(), gin.Logger())
			apirouter.MountWebhooks(admission, &apisix.ClusterOptions{
				AdminAPIVersion:  cfg.Kubernetes.APIVersion,
				Name:             cfg.APISIX.DefaultClusterName,
				AdminKey:         cfg.APISIX.DefaultClusterAdminKey,
				BaseURL:          cfg.APISIX.DefaultClusterBaseURL,
				MetricsCollector: metrics.NewPrometheusCollector(),
			})

			srv.admissionServer = &http.Server{
				Addr:    cfg.HTTPSListen,
				Handler: admission,
				TLSConfig: &tls.Config{
					Certificates: []tls.Certificate{cert},
				},
			}
		}
	}

	return srv, nil
}