planetstack/observer/steps/sync_slices.py

   1 import os
   2 import base64
   3 from planetstack.config import Config
   4 from observer.openstacksyncstep import OpenStackSyncStep
   5 from core.models.slice import Slice
   6
   7 class SyncSlices(OpenStackSyncStep):
   8         provides=[Slice]
   9         requested_interval=0
  10
  11     def fetch_pending(self):
  12         return Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  13
  14         def sync_record(self, slice):
  15                 if not slice.tenant_id:
  16                         nova_fields = {'tenant_name': slice.name,
  17                                    'description': slice.description,
  18                                    'enabled': slice.enabled}
  19                         tenant = self.driver.create_tenant(**nova_fields)
  20                         slice.tenant_id = tenant.id
  21
  22                         # XXX give caller an admin role at the tenant they've created
  23                         self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
  24
  25                         # refresh credentials using this tenant
  26                         self.driver.shell.connect(username=self.driver.shell.keystone.username,
  27                                                                           password=self.driver.shell.keystone.password,
  28                                                                           tenant=tenant.name)
  29
  30                         # create network
  31                         network = self.driver.create_network(slice.name)
  32                         slice.network_id = network['id']
  33
  34                         # create router
  35                         router = self.driver.create_router(slice.name)
  36                         slice.router_id = router['id']
  37
  38                         # create subnet
  39                         next_subnet = self.get_next_subnet()
  40                         cidr = str(next_subnet.cidr)
  41                         ip_version = next_subnet.version
  42                         start = str(next_subnet[2])
  43                         end = str(next_subnet[-2])
  44                         subnet = self.driver.create_subnet(name=slice.name,
  45                                                                                            network_id = network['id'],
  46                                                                                            cidr_ip = cidr,
  47                                                                                            ip_version = ip_version,
  48                                                                                            start = start,
  49                                                                                            end = end)
  50                         slice.subnet_id = subnet['id']
  51                         # add subnet as interface to slice's router
  52                         self.driver.add_router_interface(router['id'], subnet['id'])
  53                         # add external route
  54                         self.driver.add_external_route(subnet)
  55
  56
  57                 if slice.id and slice.tenant_id:
  58                         self.driver.update_tenant(slice.tenant_id,
  59                                                                           description=slice.description,
  60                                                                           enabled=slice.enabled)
  61
  62                 slice.save()