Use correct counter when deleting lines (#6376) (#6472)

Signed-off-by: Michel Hollands <michel.hollands@grafana.com>
(cherry picked from commit 671afe6)

Co-authored-by: Michel Hollands <42814411+MichelHollands@users.noreply.github.com>

pkg/storage/stores/shipper/compactor/deletion/delete_requests_manager.go

@@ -119,7 +119,7 @@ func (d *DeleteRequestsManager) loadDeleteRequestsToProcess() error {
 		if deleteRequest.CreatedAt.Add(d.deleteRequestCancelPeriod).Add(time.Minute).After(model.Now()) {
 			continue
 		}
-		deleteRequest.deletedLinesTotal = d.metrics.deleteRequestsProcessedTotal.WithLabelValues(deleteRequest.UserID)
+		deleteRequest.deletedLinesTotal = d.metrics.deletedLinesTotal.WithLabelValues(deleteRequest.UserID)
 		d.deleteRequestsToProcess = append(d.deleteRequestsToProcess, deleteRequest)
 	}
 

pkg/storage/stores/shipper/compactor/deletion/delete_requests_manager_test.go

@@ -293,6 +293,10 @@ func TestDeleteRequestsManager_Expired(t *testing.T) {
 			mgr := NewDeleteRequestsManager(mockDeleteRequestsStore{deleteRequests: tc.deleteRequestsFromStore}, time.Hour, nil, tc.deletionMode)
 			require.NoError(t, mgr.loadDeleteRequestsToProcess())
 
+			for _, dr := range mgr.deleteRequestsToProcess {
+				require.Contains(t, dr.deletedLinesTotal.Desc().String(), "loki_compactor_deleted_lines")
+			}
+
 			isExpired, nonDeletedIntervals := mgr.Expired(chunkEntry, model.Now())
 			require.Equal(t, tc.expectedResp.isExpired, isExpired)
 			for idx, interval := range nonDeletedIntervals {