private Set<Node> getNodes(LoadBalancer loadBalancer) {
NodeApi nodeApi = clb.getNodeApiForZoneAndLoadBalancer(Constants.ZONE, loadBalancer.getId());
Set<Node> nodes = Sets.newHashSet();
for (Node node: nodeApi.list().concat()) {
if (node.getCondition().equals(Node.Condition.DISABLED)) {
nodes.add(node);
}
}