config: add new config values for read, write and idle timeout

aperture.go

@@ -379,11 +379,15 @@ func (a *Aperture) Start(errChan chan error) error {
 	a.httpsServer = &http.Server{
 		Addr:         a.cfg.ListenAddr,
 		Handler:      handler,
-		IdleTimeout:  time.Minute * 2,
-		ReadTimeout:  time.Second * 15,
-		WriteTimeout: time.Second * 30,
+		IdleTimeout:  a.cfg.IdleTimeout,
+		ReadTimeout:  a.cfg.ReadTimeout,
+		WriteTimeout: a.cfg.WriteTimeout,
 	}
 
+	log.Infof("Creating server with idle_timeout=%v, read_timeout=%v "+
+		"and write_timeout=%v", a.cfg.IdleTimeout, a.cfg.ReadTimeout,
+		a.cfg.WriteTimeout)
+
 	// Create TLS configuration by either creating new self-signed certs or
 	// trying to obtain one through Let's Encrypt.
 	var serveFn func() error

config.go

@@ -30,6 +30,12 @@ var (
 	)
 )
 
+const (
+	defaultIdleTimeout  = time.Minute * 2
+	defaultReadTimeout  = time.Second * 15
+	defaultWriteTimeout = time.Second * 30
+)
+
 type EtcdConfig struct {
 	Host     string `long:"host" description:"host:port of an active etcd instance"`
 	User     string `long:"user" description:"user authorized to access the etcd host"`
@@ -202,6 +208,17 @@ type Config struct {
 
 	// Profile is the port on which the pprof profile will be served.
 	Profile uint16 `long:"profile" description:"Enable HTTP profiling on given port -- NOTE port must be between 1024 and 65535"`
+
+	// IdleTimeout is the maximum amount of time a connection may be idle.
+	IdleTimeout time.Duration `long:"idletimeout" description:"The maximum amount of time a connection may be idle before being closed."`
+
+	// ReadTimeout is the maximum amount of time to wait for a request to
+	// be fully read.
+	ReadTimeout time.Duration `long:"readtimeout" description:"The maximum amount of time to wait for a request to be fully read."`
+
+	// WriteTimeout is the maximum amount of time to wait for a response to
+	// be fully written.
+	WriteTimeout time.Duration `long:"writetimeout" description:"The maximum amount of time to wait for a response to be fully written."`
 }
 
 func (c *Config) validate() error {
@@ -237,5 +254,8 @@ func NewConfig() *Config {
 		Tor:             &TorConfig{},
 		HashMail:        &HashMailConfig{},
 		Prometheus:      &PrometheusConfig{},
+		IdleTimeout:     defaultIdleTimeout,
+		ReadTimeout:     defaultReadTimeout,
+		WriteTimeout:    defaultWriteTimeout,
 	}
 }