Fix Redis url, an extra "tcp://" was added (#1521)

Author: PierreF

CHANGELOG.md

@@ -77,6 +77,7 @@ should now look like:
 - [#1436](https://github.com/influxdata/telegraf/issues/1436): logparser: honor modifiers in "pattern" config.
 - [#1418](https://github.com/influxdata/telegraf/issues/1418): logparser: error and exit on file permissions/missing errors.
 - [#1499](https://github.com/influxdata/telegraf/pull/1499): Make the user able to specify full path for HAproxy stats
+- [#1521](https://github.com/influxdata/telegraf/pull/1521): Fix Redis url, an extra "tcp://" was added.
 
 ## v1.0 beta 2 [2016-06-21]
 

plugins/inputs/redis/redis.go

@@ -99,7 +99,7 @@ func (r *Redis) Gather(acc telegraf.Accumulator) error {
 	var wg sync.WaitGroup
 	errChan := errchan.New(len(r.Servers))
 	for _, serv := range r.Servers {
-		if !strings.HasPrefix(serv, "tcp://") || !strings.HasPrefix(serv, "unix://") {
+		if !strings.HasPrefix(serv, "tcp://") && !strings.HasPrefix(serv, "unix://") {
 			serv = "tcp://" + serv
 		}