Embedded types should be at the top of the field list of a struct.

And there should be an empty line separating embedded fields from regular fields

collectors/lustreMetric.go

@@ -45,6 +45,7 @@ type LustreMetricDefinition struct {
 
 type LustreCollector struct {
 	metricCollector
+
 	tags          map[string]string
 	config        LustreCollectorConfig
 	lctl          string