plstackapi/core/models/slice.py

   1 import os
   2 from django.db import models
   3 from plstackapi.core.models import PlCoreBase
   4 from plstackapi.core.models import Site
   5 from plstackapi.core.models import PLUser
   6 from plstackapi.core.models import Role
   7 from plstackapi.core.models import DeploymentNetwork
   8
   9 # Create your models here.
  10
  11 class Slice(PlCoreBase):
  12     tenant_id = models.CharField(max_length=200, help_text="Keystone tenant id")
  13     name = models.CharField(unique=True, help_text="The Name of the Slice", max_length=80)
  14     enabled = models.BooleanField(default=True, help_text="Status for this Slice")
  15     SLICE_CHOICES = (('plc', 'PLC'), ('delegated', 'Delegated'), ('controller','Controller'), ('none','None'))
  16     instantiation = models.CharField(help_text="The instantiation type of the slice", max_length=80, choices=SLICE_CHOICES)
  17     omf_friendly = models.BooleanField()
  18     description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
  19     slice_url = models.URLField(blank=True, max_length=512)
  20     site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Node belongs too")
  21     network_id = models.CharField(max_length=256, help_text="Quantum network")
  22     router_id = models.CharField(max_length=256, help_text="Quantum router id")
  23
  24     SVC_CLASS_CHOICES = (('besteffort', 'Best Effort'), ('silver', 'Silver'), ('gold','Gold'))
  25     serviceClass = models.CharField(verbose_name="Service Class",default="besteffort",help_text="The Service Class of this slice", max_length=30, choices=SVC_CLASS_CHOICES)
  26
  27
  28     def __unicode__(self):  return u'%s' % (self.name)
  29
  30     def save(self, *args, **kwds):
  31         self.os_manager.save_slice(self)
  32         super(Slice, self).save(*args, **kwds)
  33
  34     def delete(self, *args, **kwds):
  35         self.os_manager.delete_slice(self)
  36         super(Slice, self).delete(*args, **kwds)
  37
  38 class SliceMembership(PlCoreBase):
  39     user = models.ForeignKey('PLUser', related_name='slice_memberships')
  40     slice = models.ForeignKey('Slice', related_name='slice_memberships')
  41     role = models.ForeignKey('Role')
  42
  43     def __unicode__(self):  return u'%s %s %s' % (self.slice, self.user, self.role)
  44
  45     def save(self, *args, **kwds):
  46         self.os_manager.driver.add_user_role(self.user.user_id, self.slice.tenant_id, self.role.role_type)
  47         super(SliceMembership, self).save(*args, **kwds)
  48
  49     def delete(self, *args, **kwds):
  50         self.os_manager.driver.delete_user_role(self.user.user_id, self.slice.tenant_id, self.role.role_type)
  51         super(SliceMembership, self).delete(*args, **kwds)