1 from types import StringTypes
2 from plstackapi.openstack.client import OpenStackClient
3 from plstackapi.openstack.driver import OpenStackDriver
4 from plstackapi.core.api.auth import auth_check
5 from plstackapi.core.models import Subnet
6 from plstackapi.core.api.slices import _get_slices
8 def _get_subnets(filter):
9 if isinstance(filter, StringTypes) and filter.isdigit():
11 if isinstance(filter, int):
12 subnets = Subnet.objects.filter(id=filter)
13 elif isinstance(filter, StringTypes):
14 # the name is the subnet's slice's name
15 slices = _get_slices(filter)
17 if slices: slice=slices[0]
18 subnets = Subnet.objects.filter(slice=slice)
19 elif isinstance(filter, dict):
20 subnets = Subnet.objects.filter(**filter)
25 def add_subnet(auth, fields):
26 driver = OpenStackDriver(client = auth_check(auth))
27 slices = _get_slices(fields.get('slice'))
28 if slices: fields['slice'] = slices[0]
29 subnet = Subnet(**fields)
30 # create quantum subnet
31 subnet = driver.create_subnet(network_name=subnet.slice.name,
32 cidr_ip = subnet.cidr,
33 ip_version=subnet.ip_version,
36 dns_nameservers = ['8.8.8.8', '8.8.4.4'])
38 subnet.subnet_id=subnet.id
40 # add subnet as interface to slice's router
41 driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
46 def update_subnet(auth, subnet, **fields):
49 def delete_subnet(auth, filter={}):
50 driver = OpenStackDriver(client = auth_check(auth))
51 subnets = Subnet.objects.filter(**filter)
52 for subnet in subnets:
53 driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
54 driver.delete_subnet(subnet.subnet_id)
58 def get_subnets(auth, filter={}):
59 client = auth_check(auth)
61 slice = _get_slice(filter.get('slice'))
62 if slice: filter['slice'] = slice
63 subnets = Subnet.objects.filter(**filter)