self.delete_external_route(subnet)
return 1
- def add_external_route(self, subnet):
+ def get_external_routes(self):
+ status, output = commands.getstatusoutput('route')
+ routes = output.split('\n')[3:]
+ return routes
+
+ def add_external_route(self, subnet, routes=[]):
+ if not routes:
+ routes = self.get_external_routes()
+
ports = self.shell.quantum.list_ports()['ports']
gw_ip = subnet['gateway_ip']
gw_port = port
router_id = gw_port['device_id']
router = self.shell.quantum.show_router(router_id)['router']
- ext_net = router['external_gateway_info']['network_id']
- for port in ports:
- if port['device_id'] == router_id and port['network_id'] == ext_net:
- ip_address = port['fixed_ips'][0]['ip_address']
+ if router and router.get('external_gateway_info'):
+ ext_net = router['external_gateway_info']['network_id']
+ for port in ports:
+ if port['device_id'] == router_id and port['network_id'] == ext_net:
+ ip_address = port['fixed_ips'][0]['ip_address']
if ip_address:
- cmd = "route add -net %s dev br-ex gw %s" % (subnet['cidr'], ip_address)
- commands.getstatusoutput(cmd)
+ # check if external route already exists
+ route_exists = False
+ if routes:
+ for route in routes:
+ if subnet['cidr'] in route and ip_address in route:
+ route_exists = True
+ if not route_exists:
+ cmd = "route add -net %s dev br-ex gw %s" % (subnet['cidr'], ip_address)
+ s, o = commands.getstatusoutput(cmd)
+ #print cmd, "\n", s, o
return 1