public static void main(String[] args) throws Exception {
Configuration configuration = new Configuration(args);
Protos.FrameworkInfo.Builder frameworkBuilder =
Protos.FrameworkInfo.newBuilder()
.setUser("") // Have Mesos fill in the current user.
.setName("Hello world example")
.setCheckpoint(true);
String principal = configuration.getFrameworkPrincipal();
if (principal != null) {
frameworkBuilder.setPrincipal(principal);
}
org.apache.mesos.Scheduler scheduler = new FrameworkScheduler(configuration);
Protos.FrameworkInfo frameworkInfo = frameworkBuilder.build();
String mesosMaster = configuration.getMesosMaster();
MesosSchedulerDriver driver =
principal != null
? new MesosSchedulerDriver(
scheduler,
frameworkInfo,
mesosMaster,
Protos.Credential.newBuilder()
.setPrincipal(principal)
.setSecret(configuration.getFrameworkSecret())
.build())
: new MesosSchedulerDriver(scheduler, frameworkInfo, mesosMaster);
// Ensure that the driver process terminates.
driver.stop();
if (driver.run() != Protos.Status.DRIVER_STOPPED) {
throw new RuntimeException("Mesos Scheduler Driver is not stopped");
}
}
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);
}