Set server metricset in graphite as default (#6757)

metricbeat/docs/modules/graphite.asciidoc

@@ -9,6 +9,7 @@ beta[]
 
 This is the graphite Module.
 
+The default metricset is `server`.
 
 
 [float]
@@ -21,15 +22,6 @@ in <<configuration-metricbeat>>. Here is an example configuration:
 ----
 metricbeat.modules:
 - module: graphite
-  metricsets: ["server"]
-  enabled: true
-#  protocol: "udp"
-#  templates:
-#    - filter: "test.*.bash.*" # This would match metrics like test.localhost.bash.stats
-#      namespace: "test"
-#      template: ".host.shell.metric*" # test.localhost.bash.stats would become metric=stats and tags host=localhost,shell=bash
-#      delimiter: "_"
-
 ----
 
 [float]

metricbeat/metricbeat.reference.yml

@@ -216,12 +216,24 @@ metricbeat.modules:
 - module: graphite
   metricsets: ["server"]
   enabled: true
-#  protocol: "udp"
-#  templates:
-#    - filter: "test.*.bash.*" # This would match metrics like test.localhost.bash.stats
-#      namespace: "test"
-#      template: ".host.shell.metric*" # test.localhost.bash.stats would become metric=stats and tags host=localhost,shell=bash
-#      delimiter: "_"
+
+  # Host address to listen on. Default localhost.
+  #host: localhost
+
+  # Listening port. Default 2003.
+  #port: 2003
+
+  # Protocol to listen on. This can be udp or tcp. Default udp.
+  #protocol: "udp"
+
+  # Receive buffer size in bytes
+  #receive_buffer_size: 1024
+
+  #templates:
+  #  - filter: "test.*.bash.*" # This would match metrics like test.localhost.bash.stats
+  #    namespace: "test"
+  #    template: ".host.shell.metric*" # test.localhost.bash.stats would become metric=stats and tags host=localhost,shell=bash
+  #    delimiter: "_"
 
 
 #------------------------------- HAProxy Module ------------------------------

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

@@ -0,0 +1,22 @@
+- module: graphite
+  metricsets: ["server"]
+  enabled: true
+
+  # Host address to listen on. Default localhost.
+  #host: localhost
+
+  # Listening port. Default 2003.
+  #port: 2003
+
+  # Protocol to listen on. This can be udp or tcp. Default udp.
+  #protocol: "udp"
+
+  # Receive buffer size in bytes
+  #receive_buffer_size: 1024
+
+  #templates:
+  #  - filter: "test.*.bash.*" # This would match metrics like test.localhost.bash.stats
+  #    namespace: "test"
+  #    template: ".host.shell.metric*" # test.localhost.bash.stats would become metric=stats and tags host=localhost,shell=bash
+  #    delimiter: "_"
+

metricbeat/module/graphite/_meta/config.yml

@@ -1,10 +1 @@
 - module: graphite
-  metricsets: ["server"]
-  enabled: true
-#  protocol: "udp"
-#  templates:
-#    - filter: "test.*.bash.*" # This would match metrics like test.localhost.bash.stats
-#      namespace: "test"
-#      template: ".host.shell.metric*" # test.localhost.bash.stats would become metric=stats and tags host=localhost,shell=bash
-#      delimiter: "_"
-

metricbeat/module/graphite/_meta/docs.asciidoc

@@ -1,2 +1,3 @@
 This is the graphite Module.
 
+The default metricset is `server`.

metricbeat/module/graphite/server/server.go

@@ -14,9 +14,9 @@ import (
 // init registers the MetricSet with the central registry.
 // 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("graphite", "server", New); err != nil {
-		panic(err)
-	}
+	mb.Registry.MustAddMetricSet("graphite", "server", New,
+		mb.DefaultMetricSet(),
+	)
 }
 
 // MetricSet type defines all fields of the MetricSet

metricbeat/modules.d/graphite.yml.disabled

@@ -1,10 +1 @@
 - module: graphite
-  metricsets: ["server"]
-  enabled: true
-#  protocol: "udp"
-#  templates:
-#    - filter: "test.*.bash.*" # This would match metrics like test.localhost.bash.stats
-#      namespace: "test"
-#      template: ".host.shell.metric*" # test.localhost.bash.stats would become metric=stats and tags host=localhost,shell=bash
-#      delimiter: "_"
-