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     def __unicode__(self):  return u'%s' % (self.name)
  25
  26     def save(self, *args, **kwds):
  27         if not self.tenant_id:
  28             nova_fields = {'tenant_name': self.name,
  29                    'description': self.description,
  30                    'enabled': self.enabled}
  31             tenant = self.driver.create_tenant(**nova_fields)
  32             self.tenant_id = tenant.id
  33
  34             # create network
  35             network = self.driver.create_network(self.name)
  36             self.network_id = network['id']
  37
  38             # create router
  39             router = self.driver.create_router(self.name)
  40             self.router_id = router['id']
  41
  42         super(Slice, self).save(*args, **kwds)
  43
  44     def delete(self, *args, **kwds):
  45         if self.tenant_id:
  46             self.driver.delete_router(self.router_id)
  47             self.driver.delete_network(self.network_id)
  48             self.driver.delete_tenant(self.tenant_id)
  49
  50         super(Slice, self).delete(*args, **kwds)
  51
  52 class SliceMembership(PlCoreBase):
  53     user = models.ForeignKey('PLUser', related_name='slice_memberships')
  54     slice = models.ForeignKey('Slice', related_name='slice_memberships')
  55     role = models.ForeignKey('Role')
  56
  57     def __unicode__(self):  return u'%s %s %s' % (self.slice, self.user, self.role)
  58