2 from types import StringTypes
3 from openstack.client import OpenStackClient
4 from openstack.driver import OpenStackDriver
5 from core.api.auth import auth_check
6 from core.models import Subnet
7 from core.api.slices import _get_slices
10 def _get_subnets(filter):
11 if isinstance(filter, StringTypes) and filter.isdigit():
13 if isinstance(filter, int):
14 subnets = Subnet.objects.filter(id=filter)
15 elif isinstance(filter, StringTypes):
16 # the name is the subnet's slice's name
17 slices = _get_slices(filter)
19 if slices: slice=slices[0]
20 subnets = Subnet.objects.filter(slice=slice)
21 elif isinstance(filter, dict):
22 subnets = Subnet.objects.filter(**filter)
27 def add_subnet(auth, fields):
28 driver = OpenStackDriver(client = auth_check(auth))
29 slices = _get_slices(fields.get('slice'))
30 if slices: fields['slice'] = slices[0]
31 subnet = Subnet(**fields)
32 # create quantum subnet
33 quantum_subnet = driver.create_subnet(name= subnet.slice.name,
34 network_id=subnet.slice.network_id,
35 cidr_ip = subnet.cidr,
36 ip_version=subnet.ip_version,
39 subnet.subnet_id=quantum_subnet['id']
41 #driver.update_subnet(subnet.id, {'dns_nameservers': ['8.8.8.8', '8.8.4.4']})
43 # add subnet as interface to slice's router
44 try: driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
46 #add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
47 commands.getstatusoutput(add_route)
51 def update_subnet(auth, subnet, **fields):
54 def delete_subnet(auth, filter={}):
55 driver = OpenStackDriver(client = auth_check(auth))
56 subnets = Subnet.objects.filter(**filter)
57 for subnet in subnets:
58 driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
59 driver.delete_subnet(subnet.subnet_id)
61 #del_route = 'route del -net %s' % subnet.cidr
62 commands.getstatusoutput(del_route)
65 def get_subnets(auth, filter={}):
66 client = auth_check(auth)
68 slice = _get_slice(filter.get('slice'))
69 if slice: filter['slice'] = slice
70 subnets = Subnet.objects.filter(**filter)