blob: f91c0fc37c6f57ac1c2a2162d6cd48e3caa32e62 [file] [log] [blame]
import os
import base64
from netaddr import IPAddress, IPNetwork
from django.db.models import F, Q
from planetstack.config import Config
from observer.openstacksyncstep import OpenStackSyncStep
from core.models.slice import Slice
from util.logger import Logger, logging
logger = Logger(level=logging.INFO)
class SyncSlices(OpenStackSyncStep):
provides=[Slice]
requested_interval=0
def fetch_pending(self):
return Slice.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
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
def sync_record(self, slice):
logger.info("sync'ing slice %s" % slice.name)
if not slice.tenant_id:
nova_fields = {'tenant_name': slice.name,
'description': slice.description,
'enabled': slice.enabled}
tenant = self.driver.create_tenant(**nova_fields)
slice.tenant_id = tenant.id
# XXX give caller an admin role at the tenant they've created
self.driver.add_user_role(slice.creator.kuser_id, tenant.id, 'admin')
# refresh credentials using this tenant
client_driver = self.driver.client_driver(tenant=tenant.name)
# create network
network = client_driver.create_network(slice.name)
slice.network_id = network['id']
# create router
router = client_driver.create_router(slice.name)
slice.router_id = router['id']
# create subnet for slice's private network
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 = client_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
client_driver.add_router_interface(router['id'], subnet['id'])
# add external route
client_driver.add_external_route(subnet)
if slice.id and slice.tenant_id:
self.driver.update_tenant(slice.tenant_id,
description=slice.description,
enabled=slice.enabled)
slice.save()