Change server_ -> jolokia_ in tags and other formatting

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ### Release Notes
 
+- **Breaking change** in jolokia plugin. See
+https://github.com/influxdata/telegraf/blob/master/plugins/inputs/jolokia/README.md
+for updated configuration. The plugin will now support proxy mode and will make
+POST requests.
+
 - New [agent] configuration option: `metric_batch_size`. This option tells
 telegraf the maximum batch size to allow to accumulate before sending a flush
 to the configured outputs. `metric_buffer_limit` now refers to the absolute
@@ -45,6 +50,7 @@ based on _prefix_ in addition to globs. This means that a filter like
 
 ### Features
 
+- [#1031](https://github.com/influxdata/telegraf/pull/1031): Jolokia plugin proxy mode. Thanks @saiello!
 - [#1017](https://github.com/influxdata/telegraf/pull/1017): taginclude and tagexclude arguments.
 - [#1015](https://github.com/influxdata/telegraf/pull/1015): Docker plugin schema refactor.
 - [#889](https://github.com/influxdata/telegraf/pull/889): Improved MySQL plugin. Thanks @maksadbek!
@@ -61,6 +67,7 @@ based on _prefix_ in addition to globs. This means that a filter like
 
 ### Bugfixes
 
+- [#1050](https://github.com/influxdata/telegraf/issues/1050): jolokia plugin - do not overwrite host tag. Thanks @saiello!
 - [#921](https://github.com/influxdata/telegraf/pull/921): mqtt_consumer stops gathering metrics. Thanks @chaton78!
 - [#1013](https://github.com/influxdata/telegraf/pull/1013): Close dead riemann output connections. Thanks @echupriyanov!
 - [#1012](https://github.com/influxdata/telegraf/pull/1012): Set default tags in test accumulator.
@@ -82,10 +89,8 @@ https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_OUTPUT.md#g
 - Possible breaking change for the librato and graphite outputs. Telegraf will
 no longer insert field names when the field is simply named `value`. This is
 because the `value` field is redundant in the graphite/librato context.
-- Breaking change in jolokia plugin. See https://github.com/influxdata/telegraf/blob/master/plugins/inputs/jolokia/README.md
 
 ### Features
-- [#1031](https://github.com/influxdata/telegraf/pull/1031): Jolokia plugin proxy mode. Thanks @saiello!
 - [#1009](https://github.com/influxdata/telegraf/pull/1009): Cassandra input plugin. Thanks @subhachandrachandra!
 - [#976](https://github.com/influxdata/telegraf/pull/976): Reduce allocations in the UDP and statsd inputs.
 - [#979](https://github.com/influxdata/telegraf/pull/979): Reduce allocations in the TCP listener.
@@ -98,7 +103,6 @@ because the `value` field is redundant in the graphite/librato context.
 - [#1008](https://github.com/influxdata/telegraf/pull/1008): Adding memstats metrics to the influxdb plugin.
 
 ### Bugfixes
-- [#1050](https://github.com/influxdata/telegraf/issues/1050): jolokia plugin - do not overwrite host tag. Thanks @saiello!
 - [#968](https://github.com/influxdata/telegraf/issues/968): Processes plugin gets unknown state when spaces are in (command name)
 - [#969](https://github.com/influxdata/telegraf/pull/969): ipmi_sensors: allow : in password. Thanks @awaw!
 - [#972](https://github.com/influxdata/telegraf/pull/972): dovecot: remove extra newline in dovecot command. Thanks @mrannanj!

plugins/inputs/jolokia/README.md

@@ -3,20 +3,23 @@
 #### Configuration
 
 ```toml
+# Read JMX metrics through Jolokia
 [[inputs.jolokia]]
   ## This is the context root used to compose the jolokia url
   context = "/jolokia"
 
-  # This specifies the mode used
+  ## This specifies the mode used
   # mode = "proxy"
   #
-  # When in proxy mode this section is used to specify further proxy address configurations.
-  # Remember to change servers addresses
+  ## When in proxy mode this section is used to specify further
+  ## proxy address configurations.
+  ## Remember to change host address to fit your environment.
   # [inputs.jolokia.proxy]
   #   host = "127.0.0.1"
   #   port = "8080"
 
-  # List of servers exposing jolokia read service
+
+  ## List of servers exposing jolokia read service
   [[inputs.jolokia.servers]]
     name = "as-server-01"
     host = "127.0.0.1"
@@ -48,10 +51,11 @@
 
 #### Description
 
-The Jolokia plugin collects JVM metrics exposed as MBean's attributes through jolokia REST endpoint. All metrics
-are collected for each server configured.
+The Jolokia plugin collects JVM metrics exposed as MBean's attributes through
+jolokia REST endpoint. All metrics are collected for each server configured.
 
 See: https://jolokia.org/
 
 # Measurements:
-Jolokia plugin produces one measure for each metric configured, adding Server's `server_name`, `server_host` and `server_port` as tags.
+Jolokia plugin produces one measure for each metric configured,
+adding Server's `jolokia_name`, `jolokia_host` and `jolokia_port` as tags.

plugins/inputs/jolokia/jolokia.go

@@ -226,9 +226,9 @@ func (j *Jolokia) Gather(acc telegraf.Accumulator) error {
 	tags := make(map[string]string)
 
 	for _, server := range servers {
-		tags["server_name"] = server.Name
-		tags["server_port"] = server.Port
-		tags["server_host"] = server.Host
+		tags["jolokia_name"] = server.Name
+		tags["jolokia_port"] = server.Port
+		tags["jolokia_host"] = server.Host
 		fields := make(map[string]interface{})
 
 		for _, metric := range metrics {

plugins/inputs/jolokia/jolokia_test.go

@@ -96,9 +96,9 @@ func TestHttpJsonMultiValue(t *testing.T) {
 		"heap_memory_usage_used":      203288528.0,
 	}
 	tags := map[string]string{
-		"server_host": "127.0.0.1",
-		"server_port": "8080",
-		"server_name": "as1",
+		"jolokia_host": "127.0.0.1",
+		"jolokia_port": "8080",
+		"jolokia_name": "as1",
 	}
 	acc.AssertContainsTaggedFields(t, "jolokia", fields, tags)
 }