planetstack/openstack_observer/steps/sync_controller_networks.py

   1 import os
   2 import base64
   3 from collections import defaultdict
   4 from netaddr import IPAddress, IPNetwork
   5 from django.db.models import F, Q
   6 from planetstack.config import Config
   7 from observer.openstacksyncstep import OpenStackSyncStep
   8 from core.models.network import *
   9 from core.models.slice import *
  10 from core.models.sliver import Sliver
  11 from util.logger import Logger, logging
  12 from observer.ansible import *
  13
  14 logger = Logger(level=logging.INFO)
  15
  16 class SyncControllerNetworks(OpenStackSyncStep):
  17     requested_interval = 0
  18     provides=[ControllerNetwork, Network]
  19
  20     def alloc_subnet(self, uuid):
  21         # 16 bits only
  22         uuid_masked = uuid & 0xffff
  23         a = 10
  24         b = uuid_masked >> 8
  25         c = uuid_masked & 0xff
  26         d = 0
  27
  28         cidr = '%d.%d.%d.%d/24'%(a,b,c,d)
  29         return cidr
  30
  31
  32     def fetch_pending(self, deleted):
  33         if (deleted):
  34             return ControllerNetwork.deleted_objects.all()
  35         else:
  36             return ControllerNetwork.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  37
  38
  39     def save_controller_network(self, controller_network):
  40         network_name = controller_network.network.name
  41         subnet_name = '%s-%d'%(network_name,controller_network.pk)
  42         cidr = self.alloc_subnet(controller_network.pk)
  43         slice = controller_network.network.slices.all()[0] # XXX: FIXME!!
  44
  45         network_fields = {'endpoint':controller_network.controller.auth_url,
  46                     'admin_user':slice.creator.email, # XXX: FIXME
  47                     'tenant_name':slice.name, # XXX: FIXME
  48                     'admin_password':slice.creator.remote_password,
  49                     'name':network_name,
  50                     'subnet_name':subnet_name,
  51                     'ansible_tag':'%s-%s@%s'%(network_name,slice.slicename,controller_network.controller.name),
  52                     'cidr':cidr
  53                     }
  54
  55         res = run_template('sync_controller_networks.yaml', network_fields, path = 'controller_networks',expected_num=2)
  56
  57         network_id = res[0]['id']
  58         subnet_id = res[1]['id']
  59         controller_network.net_id = network_id
  60         controller_network.subnet = cidr
  61         controller_network.subnet_id = subnet_id
  62         controller_network.save()
  63
  64
  65     def sync_record(self, controller_network):
  66         logger.info("sync'ing network controller %s for network %s slice %s controller %s" % (controller_network, controller_network.network, str(controller_network.network.owner), controller_network.controller))
  67
  68         if not controller_network.controller.admin_user:
  69             logger.info("controller %r has no admin_user, skipping" % controller_network.controller)
  70             return
  71
  72         if controller_network.network.owner and controller_network.network.owner.creator:
  73             try:
  74                 # update manager context
  75                 # Bring back
  76                 self.save_controller_network(controller_network)
  77                 logger.info("saved network controller: %s" % (controller_network))
  78             except Exception,e:
  79                 logger.log_exc("save network controller failed: %s" % controller_network)
  80                 raise e
  81
  82
  83     def delete_record(self, controller_network):
  84         driver = OpenStackDriver().client_driver(caller=controller_network.network.owner.creator,
  85                                                  tenant=controller_network.network.owner.name,
  86                                                  controller=controller_network.controller.name)
  87         if (controller_network.router_id) and (controller_network.subnet_id):
  88             driver.delete_router_interface(controller_network.router_id, controller_network.subnet_id)
  89         if controller_network.subnet_id:
  90             driver.delete_subnet(controller_network.subnet_id)
  91         if controller_network.router_id:
  92             driver.delete_router(controller_network.router_id)
  93         if controller_network.net_id:
  94             driver.delete_network(controller_network.net_id)