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
  13 logger = Logger(level=logging.INFO)
  14
  15 class SyncControllerNetworks(OpenStackSyncStep):
  16     requested_interval = 0
  17     provides=[Network, ControllerNetworks, Sliver]
  18
  19     def alloc_subnet(self, uuid):
  20         a = 10
  21         b = uuid >> 32
  22         c = uuid & 0xffffffff
  23         d = 0
  24
  25         cidr = '%d.%d.%d.%d/24'%(a,b,c,d)
  26         return cidr
  27
  28
  29     def fetch_pending(self, deleted):
  30         if (deleted):
  31             return ControllerNetworks.deleted_objects.all()
  32         else:
  33             return ControllerNetworks.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  34
  35
  36     def save_controller_network(self, controller_network):
  37             network_name = controller_network.network.name
  38             subnet_name = '%s-%d'%(network_name,controller_network.pk)
  39             cidr = self.alloc_subnet(controller_network.pk)
  40             network_fields = {'endpoint':controller_network.controller.auth_url,
  41                         'admin_user':controller_network.network.slice.creator.email,
  42                         'tenant_name':controller_network.network.slice.slicename,
  43                         'admin_password':controller_network.controller.admin_password,
  44                         'name':network_name,
  45                         'subnet_name':subnet_name,
  46                         'cidr':cidr
  47                         }
  48
  49             res = run_template('sync_controller_networks.yaml', network_fields)
  50
  51             if (len(res)!=2):
  52                 raise Exception('Could not sync network %s'%controller_network.network.name)
  53             else:
  54                 network_id = res[0]['id']
  55                 subnet_id = res[1]['id']
  56                 controller_network.net_id = network_id
  57                 controller_network.subnet = cidr
  58                 controller_network.subnet_id = subnet_id
  59                 controller_network.save()
  60
  61                 logger.info("sync'ed subnet (%s) for network: %s" % (controller_network.subnet, controller_network.network))
  62
  63
  64     def sync_record(self, controller_network):
  65         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))
  66
  67         if not controller_network.controller.admin_user:
  68             logger.info("controller %r has no admin_user, skipping" % controller_network.controller)
  69             return
  70
  71         self.driver = self.driver.admin_driver(controller=controller_network.controller,tenant='admin')
  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)