/**
* Constructs a task based on creation info (task type and task parameters as retrieved from the
* vdsm). Use in order to construct tasks when service is initializing.
*
* @param coco Handle to command coordinator
* @param creationInfo The Asyc Task Creation info
*/
public static SPMAsyncTask construct(
CommandCoordinator coco, AsyncTaskCreationInfo creationInfo) {
AsyncTask asyncTask = coco.getByVdsmTaskId(creationInfo.getVdsmTaskId());
if (asyncTask == null || asyncTask.getActionParameters() == null) {
asyncTask =
new AsyncTask(
AsyncTaskResultEnum.success,
AsyncTaskStatusEnum.running,
Guid.Empty,
creationInfo.getVdsmTaskId(),
creationInfo.getStepId(),
creationInfo.getStoragePoolID(),
creationInfo.getTaskType(),
getCommandEntity(
coco, asyncTask == null ? Guid.newGuid() : asyncTask.getRootCommandId()),
getCommandEntity(
coco, asyncTask == null ? Guid.newGuid() : asyncTask.getCommandId()));
creationInfo.setTaskType(AsyncTaskType.unknown);
}
AsyncTaskParameters asyncTaskParams = new AsyncTaskParameters(creationInfo, asyncTask);
return construct(coco, creationInfo.getTaskType(), asyncTaskParams, true);
}
/**
* Retrieves from the specified storage pool the tasks that exist on it and adds them to the
* manager.
*
* @param sp the storage pool to retrieve running tasks from
*/
public void addStoragePoolExistingTasks(StoragePool sp) {
List<AsyncTaskCreationInfo> currPoolTasks = null;
try {
currPoolTasks = coco.getAllTasksInfo(sp.getId());
} catch (RuntimeException e) {
log.error(
"Getting existing tasks on Storage Pool '{}' failed: {}", sp.getName(), e.getMessage());
log.debug("Exception", e);
}
if (currPoolTasks != null && currPoolTasks.size() > 0) {
synchronized (this) {
final List<SPMTask> newlyAddedTasks = new ArrayList<>();
for (AsyncTaskCreationInfo creationInfo : currPoolTasks) {
creationInfo.setStoragePoolID(sp.getId());
if (!_tasks.containsKey(creationInfo.getVdsmTaskId())) {
try {
SPMTask task;
if (partiallyCompletedCommandTasks.containsKey(creationInfo.getVdsmTaskId())) {
AsyncTask asyncTaskInDb =
partiallyCompletedCommandTasks.get(creationInfo.getVdsmTaskId());
task = coco.construct(creationInfo, asyncTaskInDb);
if (task.getEntitiesMap() == null) {
task.setEntitiesMap(new HashMap<>());
}
partiallyCompletedCommandTasks.remove(task.getVdsmTaskId());
// mark it as a task of a partially completed command
// Will result in failure of the command
task.setPartiallyCompletedCommandTask(true);
} else {
task = coco.construct(creationInfo);
}
addTaskToManager(task);
newlyAddedTasks.add(task);
} catch (Exception e) {
log.error(
"Failed to load task of type '{}' with id '{}': {}.",
creationInfo.getTaskType(),
creationInfo.getVdsmTaskId(),
ExceptionUtils.getRootCauseMessage(e));
log.debug("Exception", e);
}
}
}
TransactionSupport.executeInNewTransaction(
() -> {
for (SPMTask task : newlyAddedTasks) {
AsyncTaskUtils.addOrUpdateTaskInDB(task);
}
return null;
});
for (SPMTask task : newlyAddedTasks) {
startPollingTask(task.getVdsmTaskId());
}
log.info(
"Discovered {} tasks on Storage Pool '{}', {} added to manager.",
currPoolTasks.size(),
sp.getName(),
newlyAddedTasks.size());
}
} else {
log.info("Discovered no tasks on Storage Pool '{}'", sp.getName());
}
List<AsyncTask> tasksInDForStoragePool = tasksInDbAfterRestart.get(sp.getId());
if (tasksInDForStoragePool != null) {
for (AsyncTask task : tasksInDForStoragePool) {
if (!_tasks.containsKey(task.getVdsmTaskId())) {
coco.removeByVdsmTaskId(task.getVdsmTaskId());
}
}
}
// Either the tasks were only in DB - so they were removed from db, or they are polled -
// in any case no need to hold them in the map that represents the tasksInDbAfterRestart
tasksInDbAfterRestart.remove(sp.getId());
}