@Override
public void run() {
// clone a copy of the killable tasks
Set<TaskID> killableTasks = Sets.newHashSet(schedulerState.getKillableTasks());
if (CollectionUtils.isEmpty(killableTasks)) {
return;
}
Status driverStatus = driverManager.getDriverStatus();
if (Status.DRIVER_RUNNING != driverStatus) {
LOGGER.warn("Cannot kill tasks, as driver is not running. Status: {}", driverStatus);
return;
}
for (TaskID taskIdToKill : killableTasks) {
if (this.schedulerState.getPendingTaskIds().contains(taskIdToKill)) {
this.schedulerState.removeTask(taskIdToKill);
} else {
Status status = this.driverManager.kill(taskIdToKill);
NodeTask task = schedulerState.getTask(taskIdToKill);
if (task != null) {
offerLifeCycleManager.declineOutstandingOffers(task.getHostname());
this.schedulerState.removeTask(taskIdToKill);
} else {
schedulerState.removeTask(taskIdToKill);
LOGGER.warn("NodeTask with taskId: {} does not exist", taskIdToKill);
}
Preconditions.checkState(status == Status.DRIVER_RUNNING);
}
}
}
@Provides
@Singleton
SchedulerDriver providesSchedulerDriver(
MyriadScheduler scheduler, MyriadConfiguration cfg, SchedulerState schedulerState) {
Builder frameworkInfoBuilder =
FrameworkInfo.newBuilder()
.setUser("")
.setName(cfg.getFrameworkName())
.setCheckpoint(cfg.isCheckpoint())
.setFailoverTimeout(cfg.getFrameworkFailoverTimeout());
if (StringUtils.isNotEmpty(cfg.getFrameworkRole())) {
frameworkInfoBuilder.setRole(cfg.getFrameworkRole());
}
FrameworkID frameworkId = schedulerState.getFrameworkID();
if (frameworkId != null) {
LOGGER.info("Attempting to re-register with frameworkId: {}", frameworkId.getValue());
frameworkInfoBuilder.setId(frameworkId);
}
String mesosAuthenticationPrincipal = cfg.getMesosAuthenticationPrincipal();
String mesosAuthenticationSecretFilename = cfg.getMesosAuthenticationSecretFilename();
if (StringUtils.isNotEmpty(mesosAuthenticationPrincipal)) {
frameworkInfoBuilder.setPrincipal(mesosAuthenticationPrincipal);
Credential.Builder credentialBuilder = Credential.newBuilder();
credentialBuilder.setPrincipal(mesosAuthenticationPrincipal);
if (StringUtils.isNotEmpty(mesosAuthenticationSecretFilename)) {
try {
credentialBuilder.setSecretBytes(
ByteString.readFrom(new FileInputStream(mesosAuthenticationSecretFilename)));
} catch (FileNotFoundException ex) {
LOGGER.error("Mesos authentication secret file was not found", ex);
throw new RuntimeException(ex);
} catch (IOException ex) {
LOGGER.error("Error reading Mesos authentication secret file", ex);
throw new RuntimeException(ex);
}
}
return new MesosSchedulerDriver(
scheduler, frameworkInfoBuilder.build(), cfg.getMesosMaster(), credentialBuilder.build());
} else {
return new MesosSchedulerDriver(
scheduler, frameworkInfoBuilder.build(), cfg.getMesosMaster());
}
}