Merge pull request #3426 from pkbhowmick/better-validation

Use `clusterctlv1.DeleteForMoveAnnotation` on last systempool validation

api/v1beta1/azuremanagedmachinepool_webhook.go

@@ -38,6 +38,7 @@ import (
 	"sigs.k8s.io/cluster-api-provider-azure/util/maps"
 	webhookutils "sigs.k8s.io/cluster-api-provider-azure/util/webhook"
 	clusterv1 "sigs.k8s.io/cluster-api/api/v1beta1"
+	clusterctlv1 "sigs.k8s.io/cluster-api/cmd/clusterctl/api/v1alpha3"
 	capifeature "sigs.k8s.io/cluster-api/feature"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -323,7 +324,8 @@ func (m *AzureManagedMachinePool) validateLastSystemNodePool(cli client.Client)
 		return nil
 	}
 
-	if ownerCluster.Spec.Paused {
+	// checking if the Cluster is going to be deleted for clusterctl move operation
+	if _, found := ownerCluster.Annotations[clusterctlv1.DeleteForMoveAnnotation]; found {
 		return nil
 	}