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 from plstackapi.openstack.driver import OpenStackDriver
   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     SLICE_CHOICES = (('plc', 'PLC'), ('delegated', 'Delegated'), ('controller','Controller'), ('none','None'))
  17     instantiation = models.CharField(help_text="The instantiation type of the slice", max_length=80, choices=SLICE_CHOICES)
  18     omf_friendly = models.BooleanField()
  19     description=models.TextField(blank=True,help_text="High level description of the slice and expected activities", max_length=1024)
  20     slice_url = models.URLField(blank=True, max_length=512)
  21     site = models.ForeignKey(Site, related_name='slices', help_text="The Site this Node belongs too")
  22     network_id = models.CharField(max_length=256, help_text="Quantum network")
  23     router_id = models.CharField(max_length=256, help_text="Quantum router id")
  24
  25     def __unicode__(self):  return u'%s' % (self.name)
  26
  27     def save(self, *args, **kwds):
  28
  29         driver = OpenStackDriver()
  30         if not self.tenant_id:
  31             nova_fields = {'tenant_name': self.name,
  32                    'description': self.description,
  33                    'enabled': self.enabled}
  34             tenant = driver.create_tenant(**nova_fields)
  35             self.tenant_id = tenant.id
  36
  37             # create network
  38             network = driver.create_network(self.name)
  39             self.network_id = network['id']
  40
  41             # create router
  42             router = driver.create_router(self.name)
  43             self.router_id = router['id']
  44
  45         super(Slice, self).save(*args, **kwds)
  46
  47     def delete(self, *args, **kwds):
  48         driver = OpenStackDriver()
  49         if self.tenant_id:
  50             driver.delete_router(self.router_id)
  51             driver.delete_network(self.network_id)
  52             driver.delete_tenant(self.tenant_id)
  53
  54         super(Slice, self).delete(*args, **kwds)
  55
  56 class SliceMembership(PlCoreBase):
  57     user = models.ForeignKey('PLUser', related_name='slice_memberships')
  58     slice = models.ForeignKey('Slice', related_name='slice_memberships')
  59     role = models.ForeignKey('Role')
  60
  61     def __unicode__(self):  return u'%s %s %s' % (self.slice, self.user, self.role)
  62