Fetching galera status metrics in MySQL

These are useful for Percona Xtradb cluster.
influxdata · Jul 1, 2016 · 52d8665 · 52d8665
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -33,6 +33,7 @@ should now look like:
 - [#1402](https://github.com/influxdata/telegraf/pull/1402): docker-machine/boot2docker no longer required for unit tests.
 - [#1350](https://github.com/influxdata/telegraf/pull/1350): cgroup input plugin.
 - [#1369](https://github.com/influxdata/telegraf/pull/1369): Add input plugin for consuming metrics from NSQD.
+- [#1436](https://github.com/influxdata/telegraf/pull/1436): Fetching Galera status metrics in MySQL
 
 ### Bugfixes
 

diff --git a/plugins/inputs/mysql/mysql.go b/plugins/inputs/mysql/mysql.go
@@ -306,6 +306,10 @@ var mappings = []*mapping{
 		onServer: "Threadpool_",
 		inExport: "threadpool_",
 	},
+	{
+		onServer: "wsrep_",
+		inExport: "wsrep_",
+	},
 }
 
 var (