Merge pull request #4516 from k8s-infra-cherrypick-robot/cherry-pick-4463-to-release-2.2

[release-2.2] fix: don't generate nodegroup role name starting with hyphen

Author: k8s-ci-robot

pkg/cloud/services/eks/roles.go

@@ -182,8 +182,8 @@ func (s *NodegroupService) reconcileNodegroupIAMRole() error {
 		} else {
 			s.scope.Info("no EKS nodegroup role specified, using role based on nodegroup name")
 			roleName, err = eks.GenerateEKSName(
+				"nodegroup-iam-service-role",
 				fmt.Sprintf("%s-%s", s.scope.KubernetesClusterName(), s.scope.NodegroupName()),
-				"-nodegroup-iam-service-role",
 				maxIAMRoleNameLength,
 			)
 			if err != nil {