+# coding=utf-8
+from django.contrib.auth.models import AbstractUser
+from django.core.urlresolvers import reverse
from django.db import models
+from django.utils.timezone import now
+from pyqcg.service import Job as QcgJob, Task as QcgTask
+from pyqcg.utils import JobStatus, TaskStatus, TaskType, AllocationType, EPRUtils
-# Create your models here.
+from qcg.utils import username_from_dn, get_attributes
+
+
+__all__ = ['User', 'Job', 'Task', 'Allocation', 'NodeInfo']
+
+
+class User(AbstractUser):
+ last_update = models.DateTimeField(default=now)
+
+ @property
+ def tasks(self):
+ return Task.objects.filter(job__owner=self)
+
+
+class Job(models.Model):
+ STATUS_CHOICES = list(enumerate(field for field in dir(JobStatus) if not field.startswith('__')))
+ STATUS_CHOICES_REVERSED = {v: k for k, v in STATUS_CHOICES}
+
+ _job = None
+
+ epr = models.TextField(u"Endpoint reference")
+ job_id = models.TextField(u"Identyfikator", unique=True)
+ status = models.IntegerField(u"Status", choices=STATUS_CHOICES)
+ note = models.TextField(u"Notatka", blank=True, default='')
+ description = models.TextField(u"Opis", blank=True, default='')
+ project = models.TextField(u"Projekt", blank=True, default='')
+ submission_time = models.DateTimeField(u"Data wysłania")
+ finish_time = models.DateTimeField(u"Data zakończenia", blank=True, null=True)
+ proxy_lifetime = models.DateTimeField(u"Czas życia proxy", blank=True, null=True)
+ purged = models.BooleanField(u"Usunięty katalog roboczy?", default=False)
+
+ owner = models.ForeignKey(User, verbose_name=u"Właściciel", related_name='jobs')
+ created = models.DateTimeField(u"Utworzono", auto_now_add=True)
+ updated = models.DateTimeField(u"Uaktualniono", auto_now=True)
+
+ class Meta:
+ # verbose_name = u"Zadanie"
+ # verbose_name_plural = u"Zadania"
+ ordering = ('-submission_time',)
+
+ def __unicode__(self):
+ return self.job_id
+
+ def get_absolute_url(self):
+ return reverse('job', kwargs={'job_id': self.job_id})
+
+ @property
+ def qcg_job(self):
+ if self._job is None:
+ self._job = QcgJob(EPRUtils.deserialize_epr(self.epr))
+
+ return self._job
+
+ @staticmethod
+ def qcg_map(qcg_job, user=None):
+ attrs = get_attributes(qcg_job, ('job_id', 'note', 'description', 'submission_time', 'finish_time',
+ 'project', 'purged'))
+
+ attrs['epr'] = EPRUtils.serialize_epr(qcg_job.epr)
+ attrs['status'] = Job.STATUS_CHOICES_REVERSED[qcg_job.status]
+ attrs['proxy_lifetime'] = now() + qcg_job.proxy_lifetime
+
+ username = username_from_dn(qcg_job.user_dn)
+ if user is not None:
+ if user.username != username:
+ raise ValueError('Username does not match!')
+ attrs['owner'] = user
+ else:
+ attrs['owner'] = User.objects.get(username=username)
+
+ return attrs
+
+ @classmethod
+ def from_qcg(cls, qcg_job):
+ job = cls(**cls.qcg_map(qcg_job))
+ job._job = qcg_job
+
+ return job
+
+
+class Task(models.Model):
+ STATUS_CHOICES = list(enumerate(field for field in dir(TaskStatus) if not field.startswith('__')))
+ STATUS_CHOICES_REVERSED = {v: k for k, v in STATUS_CHOICES}
+ TYPE_CHOICES = list(enumerate(field for field in dir(TaskType) if not field.startswith('__')))
+ TYPE_CHOICES_REVERSED = {v: k for k, v in TYPE_CHOICES}
+
+ _task = None
+
+ job = models.ForeignKey(Job, verbose_name=u"Zadanie", related_name='tasks')
+
+ epr = models.TextField(u"Endpoint reference")
+ task_id = models.TextField(u"Identyfikator", db_index=True)
+ status = models.IntegerField(u"Status", choices=STATUS_CHOICES)
+ status_description = models.TextField(u"Opis statusu", blank=True, default='')
+ type = models.IntegerField(u"Typ", choices=TYPE_CHOICES)
+ note = models.TextField(u"Notatka", blank=True, default='')
+ description = models.TextField(u"Opis", blank=True, default='')
+ submission_time = models.DateTimeField(u"Data wysłania")
+ start_time = models.DateTimeField(u"Data rozpoczęcia", blank=True, null=True)
+ finish_time = models.DateTimeField(u"Data zakończenia", blank=True, null=True)
+ reserved_time_start = models.DateTimeField(u"Data rozpoczęcia rezerwacji", blank=True, null=True)
+ reserved_time_finish = models.DateTimeField(u"Data zakończenia rezerwacji", blank=True, null=True)
+ proxy_lifetime = models.DateTimeField(u"Czas życia proxy", blank=True, null=True)
+ purged = models.BooleanField(u"Usunięty katalog roboczy?", default=False)
+
+ created = models.DateTimeField(u"Utworzono", auto_now_add=True)
+ updated = models.DateTimeField(u"Uaktualniono", auto_now=True)
+
+ class Meta:
+ # verbose_name = u"Zadanie"
+ # verbose_name_plural = u"Zadania"
+ ordering = ('-submission_time',)
+ unique_together = ('job', 'task_id')
+
+ def __unicode__(self):
+ return u'{}/{}'.format(self.job, self.task_id)
+
+ def get_absolute_url(self):
+ return reverse('task', kwargs={'job_id': self.job.job_id, 'task_id': self.task_id})
+
+ @property
+ def qcg_task(self):
+ if self._qcg_task is None:
+ self._qcg_task = QcgTask(EPRUtils.deserialize_epr(self.epr))
+
+ return self._qcg_task
+
+ @staticmethod
+ def qcg_map(qcg_task, jobs=None):
+ attrs = get_attributes(qcg_task, ('task_id', 'status_description', 'note', 'description', 'submission_time',
+ 'start_time', 'finish_time', 'reserved_time_slot', 'purged'))
+
+ attrs['epr'] = EPRUtils.serialize_epr(qcg_task.epr)
+ attrs['status'] = Task.STATUS_CHOICES_REVERSED[qcg_task.status]
+ attrs['type'] = Task.TYPE_CHOICES_REVERSED[qcg_task.type]
+ attrs['proxy_lifetime'] = now() + qcg_task.proxy_lifetime
+
+ if jobs is not None and qcg_task.job_id in jobs:
+ attrs['job'] = jobs[qcg_task.job_id]
+ else:
+ attrs['job'] = Job.objects.get(job_id=qcg_task.job_id)
+
+ return attrs
+
+ @classmethod
+ def from_qcg(cls, qcg_task):
+ task = cls(**cls.qcg_map(qcg_task))
+ task._task = qcg_task
+
+ return task
+
+ @property
+ def reserved_time_slot(self):
+ if self.reserved_time_start or self.reserved_time_finish:
+ return self.reserved_time_start, self.reserved_time_finish
+
+ @reserved_time_slot.setter
+ def reserved_time_slot(self, value):
+ if value is not None:
+ self.reserved_time_start, self.reserved_time_finish = value
+
+ @property
+ def short_host_names(self):
+ return {alloc.host_name.split('.', 1)[0] for alloc in self.allocations.all()}
+
+
+class Allocation(models.Model):
+ STATUS_CHOICES = list(enumerate(field for field in dir(AllocationType) if not field.startswith('__')))
+ STATUS_CHOICES_REVERSED = {v: k for k, v in STATUS_CHOICES}
+
+ task = models.ForeignKey(Task, verbose_name='Zadanie', related_name='allocations')
+
+ host_name = models.CharField(u"Host", max_length=100)
+ status = models.IntegerField(u"Status", choices=STATUS_CHOICES)
+ status_description = models.TextField(u"Opis statusu", blank=True, default='')
+ processes_count = models.PositiveIntegerField(u"Liczba procesów")
+ slots_count = models.PositiveIntegerField(u"Liczba rdzeni")
+ processes_group_id = models.TextField(u"Identyfikator grupy procesów", blank=True, default='')
+ submission_time = models.DateTimeField(u"Data wysłania")
+ estimated_start_time = models.DateTimeField(u"Przewidywana data rozpoczęcia", blank=True, null=True)
+ finish_time = models.DateTimeField(u"Data zakończenia", blank=True, null=True)
+ local_submission_time = models.DateTimeField(u"Lokalna data wysłania", blank=True, null=True)
+ local_start_time = models.DateTimeField(u"Lokalna data rozpoczęcia", blank=True, null=True)
+ local_finish_time = models.DateTimeField(u"Lokalna data zakończenia", blank=True, null=True)
+ purged = models.BooleanField(u"Usunięty katalog roboczy?", default=False)
+ efficiency = models.IntegerField(u"Efektywność", blank=True, null=True) # ??
+ comment = models.TextField(u"Komentarz", blank=True, default='')
+ memory_usage = models.PositiveIntegerField(u"Użycie pamięci", blank=True, null=True)
+
+ class Meta:
+ verbose_name = u"Alokacja"
+ verbose_name_plural = u"Alokacje"
+ ordering = ('-submission_time',)
+
+ def __unicode__(self):
+ return u'{} @ {}'.format(self.task, self.host_name)
+
+ @staticmethod
+ def qcg_map(qcg_allocation):
+ attrs = get_attributes(qcg_allocation, ('host_name', 'status_description', 'processes_count', 'slots_count',
+ 'processes_group_id', 'submission_time', 'estimated_start_time',
+ 'finish_time', 'local_submission_time', 'local_start_time',
+ 'local_finish_time', 'purged', 'efficiency', 'comment', 'memory_usage'))
+
+ attrs['status'] = Allocation.STATUS_CHOICES_REVERSED[qcg_allocation.status]
+
+ return attrs
+
+
+class NodeInfo(models.Model):
+ allocation = models.ForeignKey(Allocation, verbose_name=u"Alokacja", related_name='nodes')
+
+ name = models.CharField(u"Nazwa", max_length=32)
+ count = models.PositiveSmallIntegerField(u"Liczba rdzeni", blank=True, null=True)
+
+ class Meta:
+ verbose_name = u"Węzeł"
+ verbose_name_plural = u"Węzły"
+
+ def __unicode__(self):
+ result = u'{} - {}'.format(self.allocation, self.name)
+
+ if self.count is not None:
+ result += u' ({})'.format(self.count)
+
+ return result
+
+ @staticmethod
+ def qcg_map(qcg_node):
+ return {'name': qcg_node.name, 'count': qcg_node.slots_count}