From eecf26619bdf809bf650acb3cf57045e7f4ef927 Mon Sep 17 00:00:00 2001
From: Asim Aslam <asim@chuhnk.me>
Date: Thu, 1 Jun 2017 12:44:18 +0100
Subject: [PATCH] Set register ttl/interval by default for functions since they
 are more ephemeral

---
 function.go | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/function.go b/function.go
index 631c04ac..bc47d38f 100644
--- a/function.go
+++ b/function.go
@@ -1,6 +1,8 @@
 package micro
 
 import (
+	"time"
+
 	"github.com/micro/go-micro/server"
 	"golang.org/x/net/context"
 )
@@ -30,8 +32,20 @@ func fnSubWrapper(f Function) server.SubscriberWrapper {
 
 func newFunction(opts ...Option) Function {
 	ctx, cancel := context.WithCancel(context.Background())
-	opts = append(opts, Context(ctx))
-	service := newService(opts...)
+
+	// force ttl/interval
+	fopts := []Option{
+		RegisterTTL(time.Minute),
+		RegisterInterval(time.Second * 30),
+	}
+
+	// prepend to opts
+	fopts = append(fopts, opts...)
+
+	// make context the last thing
+	fopts = append(fopts, Context(ctx))
+
+	service := newService(fopts...)
 
 	fn := &function{
 		cancel:  cancel,