Merge pull request #1 from celian-garcia/feature/azuremonitorreceiver/use-batch-api-merge-and-revert-fix

fix: nil dereference when we get metrics from a resource that has not been collected properly

Author: celian-garcia

receiver/azuremonitorreceiver/scraper_batch.go

@@ -457,6 +457,9 @@ func (s *azureBatchScraper) getBatchMetricsValues(ctx context.Context, subscript
 								if timeseriesElement.Data != nil {
 									if metricValues.ResourceID != nil {
 										res := s.resources[*subscription.SubscriptionID][*metricValues.ResourceID]
+										if res == nil {
+											continue
+										}
 										attributes := map[string]*string{}
 										for name, value := range res.attributes {
 											attributes[name] = value