update readme

pkg/influxunifi/README.md

@@ -1,5 +1,43 @@
-# influxunifi
-
-## UnPoller Input Plugin
+## UnPoller InfluxDB  Plugin
 
 Collects UniFi data from a UniFi controller using the API.
+
+This is meant for InfluxDB users 1.8+ and 2.x series.
+
+## Configuration
+
+### InfluxDB 1.8+, 2.x
+
+```yaml
+influxdb:
+  disable: false
+  # How often to poll UniFi and report to Datadog.
+  interval: "2m"
+  # the influxdb url to post data
+  url: http://somehost:1234
+  # the secret auth token
+  auth_token: somesecret
+  # the influxdb org
+  org: my-org
+  # the influxdb bucket
+  bucket: my-bucket
+  # how many points to batch write per flush.
+  batch_size: 20
+```
+
+### InfluxDB pre 1.8
+
+```yaml
+influxdb:
+  disable: false
+  # How often to poll UniFi and report to Datadog.
+  interval: "2m"
+  # the influxdb url to post data
+  url: http://somehost:1234
+  # the database
+  db: mydb
+  # the influxdb api user
+  user: unifi
+  # the influxdb api password 
+  pass: supersecret
+```

pkg/influxunifi/influxdb.go

@@ -65,7 +65,7 @@ type InfluxDB struct {
 type InfluxUnifi struct {
 	Collector poller.Collect
 	influxV1  influxV1.Client
-	influxV2  influx.ClientInterface
+	influxV2  influx.Client
 	LastCheck time.Time
 	*InfluxDB
 }
@@ -231,7 +231,7 @@ func (u *InfluxUnifi) ReportMetrics(m *poller.Metrics, e *poller.Events) (*Repor
 
 	if u.Config.Version2 {
 		// Make a new Influx Points Batcher.
-		r.writer = &u.influxV2.WriteAPI(u.Org, u.Bucket)
+		r.writer = u.influxV2.WriteAPI(u.Org, u.Bucket)
 
 		go u.collect(r, r.ch)
 		// Batch all the points.