blob: 8c0374dc1011653f6991ced48b0854d2cde7057d [file] [log] [blame]
import os
import base64
from collections import defaultdict
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.site import SiteDeployments
from core.models.slice import Slice, SliceDeployments
from core.models.user import UserDeployments
from util.logger import Logger, logging
logger = Logger(level=logging.INFO)
class SyncSliceDeployments(OpenStackSyncStep):
provides=[Slice, SliceDeployments]
requested_interval=0
def fetch_pending(self):
# slice deployments are not visible to users. We must ensure
# slices are deployed at all deploymets available to their site.
site_deployments = SiteDeployment.objects.all()
site_deploy_lookup = defaultdict(list)
for site_deployment in site_deployments:
site_deploy_lookup[site_deployment.site].append(site_deployment.deployment)
slice_deployments = SliceDeployment.objects.all()
slice_deploy_lookup = defaultdict(list)
for slice_deployment in slice_deployments:
slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
for slice in Slice.objects.all():
expected_deployments = site_deploy_lookup[slice.site]
for expected_deployment in expected_deployments:
if slice not in slice_deploy_lookup or \
expected_deployment not in slice_deploy_lookup[slice]:
sd = SliceDeployments(slice=slice, deployment=expected_deployment)
sd.save()
# now we can return all slice deployments that need to be enacted
return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
def get_next_subnet(self, deployment=None):
# limit ourself to 10.0.x.x for now
valid_subnet = lambda net: net.startswith('10.0')
driver = self.driver.admin_driver(deployment=deployment)
subnets = 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_deployment):
logger.info("sync'ing slice deployment %s" % slice_deployment)
if not slice_deployment.tenant_id:
nova_fields = {'tenant_name': slice_deployment.slice.name,
'description': slice_deployment.slice.description,
'enabled': slice_deployment.slice.enabled}
driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
tenant = driver.create_tenant(**nova_fields)
slice_deployment.tenant_id = tenant.id
# XXX give caller an admin role at the tenant they've created
deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
deployment=slice_deployment.deployment)
if not deployment_users or not deployment_users[0].kuser_id:
logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name)
else:
driver.add_user_role(slice_deployment.slice.creator.kuser_id, tenant.id, 'admin')
# refresh credentials using this tenant
client_driver = self.driver.client_driver(tenant=tenant.name,
deployment=slice_deployment.deployment.name)
# create network
network = client_driver.create_network(slice.name)
slice_deployment.network_id = network['id']
# create router
router = client_driver.create_router(slice.name)
slice_deployment.router_id = router['id']
# create subnet for slice's private network
next_subnet = self.get_next_subnet(deployment=slice_deployment.deployment.name)
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_deployment.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_deployment.id and slice_deployment.tenant_id:
driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
driver.update_tenant(slice_deployment.tenant_id,
description=slice_deployment.slice.description,
enabled=slice_deployment.slice.enabled)
slice_deployment.save()