planetstack/observer/steps/sync_networks.py

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