Set collector as defalt in dropwizard module

metricbeat/docs/modules/dropwizard.asciidoc

@@ -7,7 +7,7 @@ This file is generated! See scripts/docs_collector.py
 
 beta[]
 
-This is the http://dropwizard.io[Dropwizard] module.
+This is the http://dropwizard.io[Dropwizard] module. The default metricset is `collector`.
 
 
 
@@ -21,8 +21,6 @@ in <<configuration-metricbeat>>. Here is an example configuration:
 ----
 metricbeat.modules:
 - module: dropwizard
-  metricsets: ["collector"]
-  period: 10s
   hosts: ["localhost:8080"]
   metrics_path: /metrics/metrics
   namespace: example

metricbeat/metricbeat.reference.yml

@@ -173,6 +173,7 @@ metricbeat.modules:
   hosts: ["localhost:8080"]
   metrics_path: /metrics/metrics
   namespace: example
+  enabled: true
 
 #---------------------------- Elasticsearch Module ---------------------------
 - module: elasticsearch

metricbeat/module/dropwizard/_meta/config.reference.yml

@@ -0,0 +1,7 @@
+- module: dropwizard
+  metricsets: ["collector"]
+  period: 10s
+  hosts: ["localhost:8080"]
+  metrics_path: /metrics/metrics
+  namespace: example
+  enabled: true

metricbeat/module/dropwizard/_meta/config.yml

@@ -1,6 +1,4 @@
 - module: dropwizard
-  metricsets: ["collector"]
-  period: 10s
   hosts: ["localhost:8080"]
   metrics_path: /metrics/metrics
   namespace: example

metricbeat/module/dropwizard/_meta/docs.asciidoc

@@ -1,2 +1,2 @@
-This is the http://dropwizard.io[Dropwizard] module.
+This is the http://dropwizard.io[Dropwizard] module. The default metricset is `collector`.
 

metricbeat/module/dropwizard/collector/collector.go

@@ -28,9 +28,10 @@ var (
 // The New method will be called after the setup of the module and before starting to fetch data
 
 func init() {
-	if err := mb.Registry.AddMetricSet("dropwizard", "collector", New, hostParser); err != nil {
-		panic(err)
-	}
+	mb.Registry.MustAddMetricSet("dropwizard", "collector", New,
+		mb.WithHostParser(hostParser),
+		mb.DefaultMetricSet(),
+	)
 }
 
 // MetricSet type defines all fields of the MetricSet

metricbeat/modules.d/dropwizard.yml.disabled

@@ -1,6 +1,4 @@
 - module: dropwizard
-  metricsets: ["collector"]
-  period: 10s
   hosts: ["localhost:8080"]
   metrics_path: /metrics/metrics
   namespace: example