Set register ttl and interval by default

config/cmd/cmd.go

@@ -95,11 +95,13 @@ var (
 		cli.IntFlag{
 			Name:   "register_ttl",
 			EnvVar: "MICRO_REGISTER_TTL",
+			Value:  60,
 			Usage:  "Register TTL in seconds",
 		},
 		cli.IntFlag{
 			Name:   "register_interval",
 			EnvVar: "MICRO_REGISTER_INTERVAL",
+			Value:  30,
 			Usage:  "Register interval in seconds",
 		},
 		cli.StringFlag{
@@ -417,11 +419,11 @@ func (c *cmd) Before(ctx *cli.Context) error {
 		serverOpts = append(serverOpts, server.Advertise(ctx.String("server_advertise")))
 	}
 
-	if ttl := time.Duration(ctx.GlobalInt("register_ttl")); ttl > 0 {
+	if ttl := time.Duration(ctx.GlobalInt("register_ttl")); ttl >= 0 {
 		serverOpts = append(serverOpts, server.RegisterTTL(ttl*time.Second))
 	}
 
-	if val := time.Duration(ctx.GlobalInt("register_interval")); val > 0 {
+	if val := time.Duration(ctx.GlobalInt("register_interval")); val >= 0 {
 		serverOpts = append(serverOpts, server.RegisterInterval(val*time.Second))
 	}
 

server/options.go

@@ -44,6 +44,8 @@ func newOptions(opt ...Option) Options {
 	opts := Options{
 		Codecs:           make(map[string]codec.NewCodec),
 		Metadata:         map[string]string{},
+		RegisterInterval: DefaultRegisterInterval,
+		RegisterTTL:      DefaultRegisterTTL,
 	}
 
 	for _, o := range opt {

server/server.go

@@ -123,6 +123,8 @@ var (
 	DefaultServer           Server = newRpcServer()
 	DefaultRouter                  = newRpcRouter()
 	DefaultRegisterCheck           = func(context.Context) error { return nil }
+	DefaultRegisterInterval        = time.Second * 30
+	DefaultRegisterTTL             = time.Minute
 )
 
 // DefaultOptions returns config options for the default service