Merge pull request kubernetes#89605 from aramase/automated-cherry-pick-of-#89604-upstream-release-1.18

k8s-ci-robot · web-flow · commit b94fc6c4c47e · 2020-04-04T04:17:55.000-07:00
Automated cherry pick of kubernetes#89604: fix concurreny issue in lb creation
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_vmss.go
@@ -1101,6 +1101,9 @@ func (ss *scaleSet) EnsureHostsInPool(service *v1.Service, nodes []*v1.Node, bac
 
 	// Update VMs with best effort that have already been added to nodeUpdates.
 	for meta, update := range nodeUpdates {
+		// create new instance of meta and update for passing to anonymous function
+		meta := meta
+		update := update
 		hostUpdates = append(hostUpdates, func() error {
 			ctx, cancel := getContextWithCancel()
 			defer cancel()
@@ -1401,6 +1404,9 @@ func (ss *scaleSet) EnsureBackendPoolDeleted(service *v1.Service, backendPoolID,
 
 	// Update VMs with best effort that have already been added to nodeUpdates.
 	for meta, update := range nodeUpdates {
+		// create new instance of meta and update for passing to anonymous function
+		meta := meta
+		update := update
 		hostUpdates = append(hostUpdates, func() error {
 			ctx, cancel := getContextWithCancel()
 			defer cancel()
