static Configuration parseConfiguration(String[] args) {
Configuration configuration = new Configuration();
JCommander jCommander;
List<String> crateArgs = new ArrayList<>();
List<String> safeArgs = new ArrayList<>(args.length);
for (String arg : args) {
if (HELP_OPTIONS.contains(arg)) {
jCommander = new JCommander(configuration);
jCommander.usage();
System.exit(1);
}
if (arg.startsWith("-Des.")) {
String argKey = arg.split("\\=")[0];
if (PROTECTED_CRATE_ARGS.contains(argKey)) {
throw new IllegalArgumentException(
String.format(
"Argument \"%s\" is protected and managed by the framework. "
+ "It cannot be set by the user",
argKey));
} else {
crateArgs.add(arg);
}
} else {
safeArgs.add(arg);
}
}
jCommander = new JCommander(configuration, safeArgs.toArray(new String[safeArgs.size()]));
configuration.crateArgs(crateArgs);
LOGGER.debug("args: {}", configuration);
return configuration;
}
public static void main(String[] args) throws Exception {
BasicConfigurator.configure();
Configuration configuration = parseConfiguration(args);
final double frameworkFailoverTimeout = 31536000d; // 60 * 60 * 24 * 365 = 1y
final String host = System.getenv("MESOS_HOSTNAME");
final String webUri =
UriBuilder.fromPath("/cluster")
.scheme("http")
.host(host == null ? currentHost() : host)
.port(configuration.apiPort)
.build()
.toString();
Protos.FrameworkInfo.Builder frameworkBuilder =
Protos.FrameworkInfo.newBuilder()
.setName(configuration.frameworkName)
.setUser(configuration.user)
.setRole(configuration.role)
.setWebuiUrl(webUri)
.setCheckpoint(true) // will be enabled by default in Mesos 0.22
.setFailoverTimeout(frameworkFailoverTimeout);
PersistentStateStore stateStore =
new PersistentStateStore(
new ZooKeeperState(
configuration.zookeeper,
20_000,
TimeUnit.MILLISECONDS,
String.format("/%s/%s", configuration.frameworkName, configuration.clusterName)),
configuration.nodeCount);
Optional<String> frameworkId = stateStore.state().frameworkId();
if (frameworkId.isPresent()) {
frameworkBuilder.setId(Protos.FrameworkID.newBuilder().setValue(frameworkId.get()).build());
}
final Scheduler scheduler = new CrateScheduler(stateStore, configuration);
// create the driver
MesosSchedulerDriver driver;
String mesosMaster = configuration.mesosMaster();
Optional<Protos.Credential> credential = readCredentials();
if (credential.isPresent()) {
frameworkBuilder.setPrincipal(credential.get().getPrincipal());
driver =
new MesosSchedulerDriver(
scheduler, frameworkBuilder.build(), mesosMaster, credential.get());
} else {
frameworkBuilder.setPrincipal("crate-framework");
driver = new MesosSchedulerDriver(scheduler, frameworkBuilder.build(), mesosMaster);
}
CrateHttpService api = new CrateHttpService(stateStore, configuration);
api.start();
int status = driver.run() == Protos.Status.DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
api.stop();
driver.stop();
System.exit(status);
}