void dropResource(String[] optValues) {
String clusterName = optValues[0];
String resourceName = optValues[1];
ClusterAccessor accessor = clusterAccessor(clusterName);
accessor.dropResourceFromCluster(ResourceId.from(resourceName));
}
void dropInstance(String[] optValues) {
String clusterName = optValues[0];
String[] instanceIds = optValues[1].split(";");