From 60a49243cfc171487838c1966aa55cafabf138a1 Mon Sep 17 00:00:00 2001
From: Evan Phoenix <evan@phx.io>
Date: Mon, 18 May 2015 11:53:57 -0700
Subject: [PATCH] Gather stats from PG and redis from localhost by default

---
 plugins/postgresql/postgresql.go |  7 +++++++
 plugins/redis/redis.go           | 13 +++++++++----
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/plugins/postgresql/postgresql.go b/plugins/postgresql/postgresql.go
index 9416dbd61..ec6a9c4d5 100644
--- a/plugins/postgresql/postgresql.go
+++ b/plugins/postgresql/postgresql.go
@@ -17,7 +17,14 @@ type Postgresql struct {
 	Servers []*Server
 }
 
+var localhost = &Server{Address: "sslmode=disable"}
+
 func (p *Postgresql) Gather(acc plugins.Accumulator) error {
+	if len(p.Servers) == 0 {
+		p.gatherServer(localhost, acc)
+		return nil
+	}
+
 	for _, serv := range p.Servers {
 		err := p.gatherServer(serv, acc)
 		if err != nil {
diff --git a/plugins/redis/redis.go b/plugins/redis/redis.go
index 22a9ce0d6..02b782713 100644
--- a/plugins/redis/redis.go
+++ b/plugins/redis/redis.go
@@ -63,10 +63,6 @@ func (g *Redis) Gather(acc plugins.Accumulator) error {
 		return nil
 	}
 
-	var wg sync.WaitGroup
-
-	var outerr error
-
 	var servers []string
 
 	if g.Address != "" {
@@ -75,6 +71,15 @@ func (g *Redis) Gather(acc plugins.Accumulator) error {
 
 	servers = append(servers, g.Servers...)
 
+	if len(servers) == 0 {
+		g.gatherServer(":6379", acc)
+		return nil
+	}
+
+	var wg sync.WaitGroup
+
+	var outerr error
+
 	for _, serv := range servers {
 		wg.Add(1)
 		go func(serv string) {