private void genServiceNode(
AppModel model, CloudFoundryClient cfClient, List<CloudApplication> apps) {
for (CloudApplication app : apps) {
List<String> services = app.getServices();
for (String service : services) {
// return from cloud foundry client getService() does not include label info
// workaround it with method getCloudService
CloudService cloudService = getCloudService(cfClient, service);
String label = cloudService.getLabel();
// FIXME: to support more services
if (!label.contains("mongodb")) {
System.out.println("unsupported service " + label + " for app " + app.getName());
continue;
}
ServiceNode serviceNode = new ServiceNode(model);
serviceNode.setName(cloudService.getName());
serviceNode.setServiceType(ServiceType.mongo);
serviceNode.setProperty("dbName", "mydb");
model.addNode(serviceNode);
Relationship relation = new Relationship();
relation.setSourceNode(app.getName());
relation.setTargetNode(cloudService.getName());
relation.setType(RelationshipType.connectTo);
model.addRelationship(relation);
}
}
}
public static void startApplications(
List<String> app_names,
boolean mig_service_answer,
AppModel model,
CloudFoundryClient cfClient,
String app_dir)
throws IOException {
String app_container = "";
// String buildpack_url ="";
String default_domain = "ng.bluemix.net";
List<WebAppNode> webapps = model.getWebApps();
if (webapps != null && webapps.size() > 0) {
for (WebAppNode webapp : webapps) {
try {
app_container = webapp.getHostedOnContainer().getBuildPack().toString();
boolean bp_supported = false;
for (String buildpack : AppModelConstants.RUNTIME_BUILDPACK) {
if (buildpack.equalsIgnoreCase(app_container)) {
bp_supported = true;
break;
}
}
if (!bp_supported) {
throw new AppModelException("build pack " + app_container + " is not supported");
}
} catch (AppModelException e) {
// TODO
e.printStackTrace();
}
break;
}
}
// String cf_url = RetrieveCloudCred.getTargetCFURL();
// String[] domain_strs = cf_url.split("\\.", 2);
// app_domain_postfix = "."+domain_strs[1];
// app_domain_postfix = ".cloudoe.apps";
for (String app_name : app_names) {
String default_subdomain = app_name;
WebAppNode webapp = (WebAppNode) model.getNodeByName(app_name);
int instance_num = Integer.parseInt(webapp.getInstances());
int memory = Integer.parseInt(webapp.getMemory());
// Here don't assign start command or buildpack url, will use default bp url
Staging staging = new Staging(null, null);
// Using the default buildpack url
// Staging staging = new Staging(null, null);
// Environment list
List<String> env_list = new ArrayList<String>();
List<String> uris = new ArrayList<String>();
// Get the connect_to services
List<String> serviceNames = new ArrayList<String>();
List<ServiceNode> connected_services = webapp.getConnectsToServices();
if (connected_services != null && connected_services.size() > 0) {
for (ServiceNode connected_service : connected_services) {
serviceNames.add(connected_service.getName());
}
}
// Create the application
System.out.println("Push application " + app_name + " to cloud Foundry......");
System.out.println("Subdomain> (default: " + app_name + ")");
Scanner reader_subdomain = new Scanner(System.in);
String subdomain = "";
try {
subdomain = reader_subdomain.nextLine();
} catch (Exception e) {
e.printStackTrace();
} finally {
reader_subdomain.close();
}
if (subdomain.isEmpty()) {
subdomain = default_subdomain;
}
System.out.println("domain> (default: " + default_domain + ")");
Scanner reader_domain = new Scanner(System.in);
String domain = "";
try {
domain = reader_domain.nextLine();
} catch (Exception e) {
e.printStackTrace();
} finally {
reader_domain.close();
}
if (domain.isEmpty()) {
domain = default_domain;
}
String app_url = subdomain + "." + domain;
uris.add(app_url);
if (mig_service_answer == true) {
System.out.println(
"Created CloudFoundry services will be bound to application " + app_name);
cfClient.createApplication(app_name, staging, memory, uris, serviceNames);
// auto-generate the autoconfig.js to re-compose the origin environment variable from the
// CloudFoundry environment variable
} else {
cfClient.createApplication(app_name, staging, memory, uris, null);
System.out.println("Application will bind to the Heroku services");
List<Env> app_envs = webapp.getEnvs();
if (app_envs != null && app_envs.size() > 0) {
for (Env app_env : app_envs) {
if (app_env.getType().toString().equals(AppModelConstants.APP_SERVICE_URL_ENV_TYPE)) {
// Map<String, String> env_map = new HashMap<String, String>();
// env_map.put(app_env.getName(), app_env.getDefaultValue());
env_list.add(app_env.getName() + "=" + app_env.getDefaultValue());
}
}
}
}
// update the environment variable for the depended on application url
if (model.hasDependedOnCapability(app_name)) {
depended_url.put(app_name, app_url);
}
if (model.hasDependsOnRequirement(app_name)) {
List<Env> app_envs = webapp.getEnvs();
if (app_envs != null && app_envs.size() > 0) {
for (Env app_env : app_envs) {
if (app_env.getType().toString().equals(AppModelConstants.APP_URL_ENV_TYPE)) {
String app_bind_env_value =
app_env.getValue().substring(2, app_env.getValue().length() - 1);
env_list.add(app_env.getName() + "=" + depended_url.get(app_bind_env_value));
}
}
}
}
// update the env list
if (env_list != null && env_list.size() > 0) {
cfClient.updateApplicationEnv(app_name, env_list);
}
cfClient.updateApplicationInstances(app_name, instance_num);
// upload application
String archive = app_dir + File.separator + app_name + ".zip";
System.out.println("Upload the package of application " + app_name);
try {
cfClient.uploadApplication(app_name, archive);
// cfClient.uploadApplication(app_name, file);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// if migrate service, we will tip user whether do the environment variable mapping
if (mig_service_answer == true) {
System.out.println("Would you like to do service environment variable mapping? (Y/N)");
Scanner reader = new Scanner(System.in);
String answer = "";
try {
answer = reader.nextLine();
} catch (Exception e) {
e.printStackTrace();
} finally {
reader.close();
}
if (answer.equalsIgnoreCase("Y")) {
System.out.println("automatically map the service environment variable");
cfClient.startApplication(app_name);
// Here need to sleep for almost 80 seconds to wait while the env.log is generated by
// binding
try {
Thread.sleep(SLEEP_TIME_TO_FETCH_ENV);
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
String env_str = "";
try {
env_str = cfClient.getFile(app_name, 0, "logs/env.log");
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
Thread.sleep(SLEEP_ADDITIONAL_TIME_TO_FETCH_ENV);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
// e.printStackTrace();
}
env_str = cfClient.getFile(app_name, 0, "logs/env.log");
}
try {
WriteStringToFile.writeStrToFile(env_str, "vcap_services.properties");
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
Properties prop = new Properties();
InputStream fis;
try {
fis = new FileInputStream("vcap_services.properties");
prop.load(fis);
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String vcap_service_env = prop.getProperty("VCAP_SERVICES");
try {
JSONObject jo = new JSONObject(vcap_service_env);
Iterator it = jo.keys();
while (it.hasNext()) {
String key = (String) it.next();
JSONArray arr = jo.getJSONArray(key);
List<Env> app_envs = webapp.getEnvs();
if (app_envs != null && app_envs.size() > 0) {
for (Env app_env : app_envs) {
if (app_env
.getType()
.toString()
.equals(AppModelConstants.APP_SERVICE_URL_ENV_TYPE)) {
for (int i = 0; i < arr.length(); i++) {
if (arr.get(i) instanceof JSONObject) {
JSONObject jos = (JSONObject) arr.get(i);
JSONObject jo_cred = (JSONObject) (jos.get("credentials"));
String hostname = jo_cred.getString("hostname");
String port = jo_cred.getString("port");
String username = jo_cred.getString("username");
String password = jo_cred.getString("password");
String db = jo_cred.getString("db");
String url = jo_cred.getString("url");
if (url != null && url.trim().length() > 0) {
env_list.add(app_env.getName() + "=" + url);
} else {
if (username != null
&& username.trim().length() > 0
&& password != null
&& password.trim().length() > 0) {
String url_env =
"mongodb://"
+ username
+ ":"
+ password
+ "@"
+ hostname
+ ":"
+ port
+ "/"
+ db;
env_list.add(app_env.getName() + "=" + url_env);
} else {
String url_env = "mongodb://" + hostname + ":" + port + "/" + db;
env_list.add(app_env.getName() + "=" + url_env);
}
}
}
}
}
}
}
}
} catch (JSONException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
cfClient.stopApplication(app_name);
try {
Thread.sleep(SLEEP_TIME_AFTER_STOP_APP);
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
cfClient.updateApplicationEnv(app_name, env_list);
}
}
System.out.println("Start the application " + app_name);
cfClient.startApplication(app_name);
// Check the application status till it is "Running"
// stats including "STARTING, RUNNING, CRASHED, FLAPPING, UNKNOWN"
int poll_interval = 5000;
int max_times_poll = 120;
int times_poll = 1;
boolean running_flag = false;
boolean failed_flag = false;
while (true) {
ApplicationStats stat = cfClient.getApplicationStats(app_name);
List<InstanceStats> instance_stats = stat.getRecords();
for (InstanceStats stats : instance_stats) {
if (stats.getState().toString().equalsIgnoreCase("RUNNING")) {
running_flag = true;
break;
}
if (stats.getState().toString().equalsIgnoreCase("CRASHED")) {
failed_flag = true;
break;
}
}
if (running_flag) {
System.out.println("Application " + app_name + "(url:" + app_url + ")" + " is running.");
System.out.println("\n");
break;
} else if (failed_flag) {
System.out.println("Application " + app_name + " is crashed.");
System.out.println("\n");
break;
} else if (times_poll > max_times_poll) {
System.out.println(
"Application "
+ app_name
+ " failed to be started in "
+ max_times_poll * poll_interval
+ " seconds");
System.out.println("\n");
break;
}
try {
Thread.sleep(poll_interval);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
times_poll = times_poll + 1;
}
}
}