planetstack/core/models/slice.py

   1 import os
   2 from django.db import models
   3 from core.models import PlCoreBase
   4 from core.models import Site
   5 from core.models import User
   6 from core.models import Role
   7 from core.models import DeploymentNetwork
   8 from core.models import ServiceClass
   9
  10 # Create your models here.
  11
  12 class Slice(PlCoreBase):
  13     tenant_id = models.CharField(max_length=200, help_text="Keystone tenant id")
  14     name = models.CharField(unique=True, help_text="The Name of the Slice", max_length=80)
  15     enabled = models.BooleanField(default=True, help_text="Status for this Slice")
  16     omf_friendly = models.BooleanField()
  17     description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
  18     slice_url = models.URLField(blank=True, max_length=512)
  19     site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Node belongs too")
  20     network_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum network")
  21     router_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum router id")
  22     subnet_id = models.CharField(null=True, blank=True, max_length=256, help_text="Quantum subnet id")
  23
  24     serviceClass = models.ForeignKey(ServiceClass, related_name = "slices", null=True, default=ServiceClass.get_default)
  25
  26     def __unicode__(self):  return u'%s' % (self.name)
  27
  28     def save(self, *args, **kwds):
  29         if self.serviceClass is None:
  30             # We allowed None=True for serviceClass because Django evolution
  31             # will fail unless it is allowed. But, we we really don't want it to
  32             # ever save None, so fix it up here.
  33             self.serviceClass = ServiceClass.get_default()
  34         if not hasattr(self, 'os_manager'):
  35             from openstack.manager import OpenStackManager
  36             setattr(self, 'os_manager', OpenStackManager())
  37         self.os_manager.save_slice(self)
  38         super(Slice, self).save(*args, **kwds)
  39
  40     def delete(self, *args, **kwds):
  41         if not hasattr(self, 'os_manager'):
  42             from openstack.manager import OpenStackManager
  43             setattr(self, 'os_manager', OpenStackManager())
  44         self.os_manager.delete_slice(self)
  45         super(Slice, self).delete(*args, **kwds)
  46
  47 class SliceMembership(PlCoreBase):
  48     user = models.ForeignKey('User', related_name='slice_memberships')
  49     slice = models.ForeignKey('Slice', related_name='slice_memberships')
  50     role = models.ForeignKey('Role')
  51
  52     def __unicode__(self):  return u'%s %s %s' % (self.slice, self.user, self.role)
  53
  54     def save(self, *args, **kwds):
  55         if not hasattr(self, 'os_manager'):
  56             from openstack.manager import OpenStackManager
  57             setattr(self, 'os_manager', OpenStackManager())
  58             if self.os_manager.driver:
  59                 self.os_manager.driver.add_user_role(self.user.kuser_id, self.slice.tenant_id, self.role.role_type)
  60         super(SliceMembership, self).save(*args, **kwds)
  61
  62     def delete(self, *args, **kwds):
  63         if not hasattr(self, 'os_manager'):
  64             from openstack.manager import OpenStackManager
  65             setattr(self, 'os_manager', OpenStackManager())
  66             if self.os_manager.driver:
  67                 self.os_manager.driver.delete_user_role(self.user.kuser_id, self.slice.tenant_id, self.role.role_type)
  68         super(SliceMembership, self).delete(*args, **kwds)