create subnet in save_slice(), cleanup subnet in delete_slice()
diff --git a/plstackapi/openstack/manager.py b/plstackapi/openstack/manager.py
index 220d491..6f37e5a 100644
--- a/plstackapi/openstack/manager.py
+++ b/plstackapi/openstack/manager.py
@@ -1,3 +1,4 @@
+from netaddr import IPAddress, IPNetwork
from plstackapi.planetstack import settings
from django.core import management
management.setup_environ(settings)
@@ -137,6 +138,23 @@
router = self.driver.create_router(slice.name)
slice.router_id = router['id']
+ # create subnet
+ next_subnet = self.get_next_subnet()
+ cidr = str(next_subnet.cidr)
+ ip_version = next_subnet.version
+ start = str(next_subnet[2])
+ end = str(next_subnet[-2])
+ subnet = self.driver.create_subnet(name=slice.name,
+ network_id = network['id'],
+ cidr_ip = cidr,
+ ip_version = ip_version,
+ start = start,
+ end = end)
+ slice.subnet_id = subnet['id']
+ # add subnet as interface to slice's router
+ self.driver.add_router_interface(router['id'], subnet['id'])
+
+
if slice.id and slice.tenant_id:
self.driver.update_tenant(slice.tenant_id,
description=slice.description,
@@ -145,10 +163,26 @@
@require_enabled
def delete_slice(self, slice):
if slice.tenant_id:
+ self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
+ self.driver.delete_subnet(slice.subnet_id)
self.driver.delete_router(slice.router_id)
self.driver.delete_network(slice.network_id)
self.driver.delete_tenant(slice.tenant_id)
+
+
+ def get_next_subnet(self):
+ # limit ourself to 10.0.x.x for now
+ valid_subnet = lambda net: net.startswith('10.0')
+ subnets = self.driver.shell.quantum.list_subnets()['subnets']
+ ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
+ if valid_subnet(subnet['cidr'])]
+ ints.sort()
+ last_ip = IPAddress(ints[-1])
+ last_network = IPNetwork(str(last_ip) + "/24")
+ next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
+ return next_network
+
@require_enabled
def save_subnet(self, subnet):
if not subnet.subnet_id: