public FileTemplate createUserDataTemplate(
String scriptDirectory, Map<String, String> properties) {
Preconditions.checkNotNull(scriptDirectory, "scriptDirectory cannot be null");
Preconditions.checkNotNull(properties, "properties cannot be null");
String dns = properties.get(DNS_PROPERTY);
String gateway = properties.get(GATEWAY_PROPERTY);
String netmask = properties.get(NETMASK_PROPERTY);
String nodeIndexStr = properties.get(NodeTemplateUtils.NODE_INDEX_PROPERTY);
List<String> zookeeperIps =
NodeTemplateUtils.deserializeAddressList(properties.get(ZOOKEEPER_IPS_PROPERTY));
int nodeIndex = Integer.parseInt(nodeIndexStr);
String ipAddress = zookeeperIps.get(nodeIndex);
String cidrSignature = new SubnetUtils(ipAddress, netmask).getInfo().getCidrSignature();
String zkParameters = createZookeeperParameters(zookeeperIps);
Map<String, String> parameters = new HashMap();
parameters.put("$DNS", "DNS=" + dns);
parameters.put("$GATEWAY", gateway);
parameters.put("$ZK_ID", Integer.toString(nodeIndex + 1));
parameters.put("$ADDRESS", cidrSignature);
parameters.put("$ZK_PARAMETERS", zkParameters);
FileTemplate template = new FileTemplate();
template.filePath = Paths.get(scriptDirectory, ZOOKEEPER_USER_DATA_TEMPLATE).toString();
template.parameters = parameters;
return template;
}
