Add Zookeeper Jolokia2 example config (#4659)

plugins/inputs/jolokia2/README.md

@@ -181,5 +181,6 @@ Both `jolokia2_agent` and `jolokia2_proxy` plugins support default configuration
 - [Kafka](/plugins/inputs/jolokia2/examples/kafka.conf)
 - [Tomcat](/plugins/inputs/jolokia2/examples/tomcat.conf)
 - [Weblogic](/plugins/inputs/jolokia2/examples/weblogic.conf)
+- [ZooKeeper](/plugins/inputs/jolokia2/examples/zookeeper.conf)
 
 Please help improve this list and contribute new configuration files by opening an issue or pull request.

plugins/inputs/jolokia2/examples/zookeeper.conf

@@ -0,0 +1,18 @@
+[[inputs.jolokia2_agent]]
+  urls = ["http://localhost:8080/jolokia"]
+  name_prefix = "zk_"
+
+  [[inputs.jolokia2_agent.metrics]]
+    name  = "quorum"
+    mbean = "org.apache.ZooKeeperService:name0=*"
+    tag_keys = ["name0"]
+
+  [[inputs.jolokia2_agent.metrics]]
+    name = "leader"
+    mbean = "org.apache.ZooKeeperService:name0=*,name1=*,name2=Leader"
+    tag_keys = ["name1"]
+
+  [[inputs.jolokia2_agent.metrics]]
+    name = "follower"
+    mbean = "org.apache.ZooKeeperService:name0=*,name1=*,name2=Follower"
+    tag_keys = ["name1"]