void listResourceInfo(String[] optValues) {
String clusterName = optValues[0];
String resourceName = optValues[1];
ResourceAccessor accessor = resourceAccessor(clusterName);
ResourceId resourceId = ResourceId.from(resourceName);
Resource resource = accessor.readResource(resourceId);
StringBuilder sb =
new StringBuilder("Resource ").append(resourceName).append(" in cluster ")
.append(clusterName).append(":\n").append("externalView: ")
.append(resource.getExternalView()).append(", userConfig: ")
.append(resource.getUserConfig()).append(", rebalancerContext: ")