in metricsgenreceiver/receiver.go [230:239]
func overrideExistingAttributes(source, target pcommon.Resource) {
targetAttr := target.Attributes()
source.Attributes().Range(func(k string, v pcommon.Value) bool {
if _, exists := targetAttr.Get(k); exists {
targetValue := targetAttr.PutEmpty(k)
v.CopyTo(targetValue)
}
return true
})
}