Update README, CHANGELOG, and unit tests with list output

CHANGELOG.md

@@ -9,6 +9,8 @@ changed to just run docker commands in the Makefile. See `make docker-run` and
 - HAProxy plugin tag has changed from `host` to `server`
 - UDP output now supported
 - Telegraf will now compile on FreeBSD
+- Users can now specify outputs as lists, specifying multiple outputs of the
+same type.
 
 ### Features
 - [#325](https://github.com/influxdb/telegraf/pull/325): NSQ output. Thanks @jrxFive!
@@ -19,6 +21,7 @@ changed to just run docker commands in the Makefile. See `make docker-run` and
 - [#365](https://github.com/influxdb/telegraf/pull/365): Twemproxy plugin by @codeb2cc
 - [#317](https://github.com/influxdb/telegraf/issues/317): ZFS plugin, thanks @cornerot!
 - [#364](https://github.com/influxdb/telegraf/pull/364): Support InfluxDB UDP output.
+- [#370](https://github.com/influxdb/telegraf/pull/370): Support specifying multiple outputs, as lists.
 - [#372](https://github.com/influxdb/telegraf/pull/372): Remove gosigar and update go-dockerclient for FreeBSD support. Thanks @MerlinDMC!
 
 ### Bugfixes

README.md

@@ -131,7 +131,7 @@ measurements at a 10s interval and will collect totalcpu & percpu data.
 
 # OUTPUTS
 [outputs]
-[outputs.influxdb]
+[[outputs.influxdb]]
     url = "http://192.168.59.103:8086" # required.
     database = "telegraf" # required.
     precision = "s"

agent_test.go

@@ -41,22 +41,22 @@ func TestAgent_LoadOutput(t *testing.T) {
 	a, _ := NewAgent(config)
 
 	outputsEnabled, _ := a.LoadOutputs([]string{"influxdb"}, config)
-	assert.Equal(t, 1, len(outputsEnabled))
+	assert.Equal(t, 2, len(outputsEnabled))
 
 	outputsEnabled, _ = a.LoadOutputs([]string{}, config)
-	assert.Equal(t, 2, len(outputsEnabled))
+	assert.Equal(t, 3, len(outputsEnabled))
 
 	outputsEnabled, _ = a.LoadOutputs([]string{"foo"}, config)
 	assert.Equal(t, 0, len(outputsEnabled))
 
 	outputsEnabled, _ = a.LoadOutputs([]string{"influxdb", "foo"}, config)
-	assert.Equal(t, 1, len(outputsEnabled))
+	assert.Equal(t, 2, len(outputsEnabled))
 
 	outputsEnabled, _ = a.LoadOutputs([]string{"influxdb", "kafka"}, config)
-	assert.Equal(t, 2, len(outputsEnabled))
+	assert.Equal(t, 3, len(outputsEnabled))
 
 	outputsEnabled, _ = a.LoadOutputs([]string{"influxdb", "foo", "kafka", "bar"}, config)
-	assert.Equal(t, 2, len(outputsEnabled))
+	assert.Equal(t, 3, len(outputsEnabled))
 }
 
 func TestAgent_ZeroJitter(t *testing.T) {

etc/config.sample.toml

@@ -52,7 +52,7 @@
 [outputs]
 
 # Configuration for influxdb server to send metrics to
-[outputs.influxdb]
+[[outputs.influxdb]]
   # The full HTTP endpoint URL for your InfluxDB instance
   # Multiple urls can be specified for InfluxDB cluster support. Server to
   # write to will be randomly chosen each interval.

testdata/telegraf-agent.toml

@@ -49,7 +49,7 @@
 [outputs]
 
 # Configuration for influxdb server to send metrics to
-[outputs.influxdb]
+[[outputs.influxdb]]
 	# The full HTTP endpoint URL for your InfluxDB instance
 	# Multiple urls can be specified for InfluxDB cluster support. Server to
 	# write to will be randomly chosen each interval.
@@ -69,8 +69,12 @@
 	# Set the user agent for the POSTs (can be useful for log differentiation)
 	# user_agent = "telegraf"
 
+[[outputs.influxdb]]
+  urls = ["udp://localhost:8089"]
+  database = "udp-telegraf"
+
 # Configuration for the Kafka server to send metrics to
-[outputs.kafka]
+[[outputs.kafka]]
 	# URLs of kafka brokers
 	brokers = ["localhost:9092"]
 	# Kafka topic for producer messages