def request_task(self):
self.debug('Requesting task from server.')
taskid = self.client.next_task(self.hostname)
if taskid > 0:
self.info('Task %d was received from server.' % taskid)
db = Session()
task = db.query(Task).filter_by(id=taskid).first()
db.expunge(task)
db.close()
if task:
self.num_thread_lock.acquire()
self.running_tasks[taskid] = task
self.num_thread_lock.release()
self._pre_task(task)
if not self._run_task(task):
self._clean_up_task(task)
self._no_tasks = False
else:
self.debug('No task was received from server.')
self._no_tasks = True
def monitor_connect(self, task_id):
self.debug('Monitor for task %d has connected.' % task_id)
db = Session()
task = self.running_tasks[task_id]
db.add(task)
db.add(task.log)
task_data = {}
task_data['command'] = task.run_command
tries = 0
while tries < 3:
try:
task_data['gid'] = pwd.getpwnam(task.job.owner)[3]
task_data['uid'] = pwd.getpwnam(task.job.owner)[2]
break
except KeyError:
tries += 1
task_data['stdout_file_path'] = task.log._stdout_file_path()
task_data['stderr_file_path'] = task.log._stderr_file_path()
db.close()
return task_data
def monitor_probe(self, task_id, probes):
self.debug("Logging probe for %d" % task_id)
task = self.running_tasks[task_id]
db = Session()
probe = TaskProbe()
db.add(probe)
cattle = self.cattle
probe.task_id = task_id
probe.memory = probes['memory']
probe.pcpu = probes['pcpu']
probe.pid = probes['pid']
#probe.cattle_id = task.log.cattle_id
probe.time = datetime.datetime.now()
probe.probes = probes
probe.cattle_id = cattle.id
probe.task_log_id = task.log.id
db.commit()
probe_id = probe.id
db.expunge(probe)
db.close()
return probe_id