planetstack/observer/steps/sync_networks.py

   1 import os
   2 import base64
   3 from django.db.models import F, Q
   4 from planetstack.config import Config
   5 from observer.openstacksyncstep import OpenStackSyncStep
   6 from core.models.network import *
   7 from util.logger import Logger, logging
   8
   9 logger = Logger(level=logging.INFO)
  10
  11 class SyncNetworks(OpenStackSyncStep):
  12     provides=[Network]
  13     requested_interval = 0
  14
  15     def fetch_pending(self):
  16         return Network.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  17
  18     def save_network(self, network):
  19         if not network.network_id and network.template.sharedNetworkName:
  20                 network.network_id = network.template.sharedNetworkId
  21
  22         if not network.network_id:
  23             network_name = network.name
  24
  25             # create network
  26             os_network = self.driver.create_network(network_name, shared=True)
  27             network.network_id = os_network['id']
  28
  29             # create router
  30             router = self.driver.create_router(network_name)
  31             network.router_id = router['id']
  32
  33             # create subnet
  34             next_subnet = self.get_next_subnet()
  35             cidr = str(next_subnet.cidr)
  36             ip_version = next_subnet.version
  37             start = str(next_subnet[2])
  38             end = str(next_subnet[-2])
  39             subnet = self.driver.create_subnet(name=network_name,
  40                                                network_id = network.network_id,
  41                                                cidr_ip = cidr,
  42                                                ip_version = ip_version,
  43                                                start = start,
  44                                                end = end)
  45             network.subnet = cidr
  46             network.subnet_id = subnet['id']
  47             # add subnet as interface to slice's router
  48             self.driver.add_router_interface(router['id'], subnet['id'])
  49             # add external route
  50             self.driver.add_external_route(subnet)
  51             logger.info("created private subnet (%s) for network: %s" % (cidr, network))
  52         else:
  53             (network.subnet_id, network.subnet) = self.driver.get_network_subnet(network.network_id)
  54             logger.info("sync'ed subnet (%s) for network: %s" % (network.subnet, network))
  55             network.save()
  56
  57     def sync_record(self, network):
  58         if network.owner and network.owner.creator:
  59             try:
  60                 # update manager context
  61                 real_driver = self.driver
  62                 self.driver = self.driver.client_driver(network.owner.creator, network.owner.name)
  63                 self.save_network(network)
  64                 self.driver = real_driver
  65                 logger.info("saved network: %s" % (network))
  66             except Exception,e:
  67                 logger.log_exc("save network failed: %s" % network)
  68                 raise e
  69