3 from collections import defaultdict
4 from netaddr import IPAddress, IPNetwork
5 from django.db.models import F, Q
6 from planetstack.config import Config
7 from observer.openstacksyncstep import OpenStackSyncStep
8 from core.models.site import Deployment, SiteDeployments
9 from core.models.slice import Slice, SliceDeployments
10 from core.models.userdeployments import UserDeployments
11 from util.logger import Logger, logging
13 logger = Logger(level=logging.INFO)
15 class SyncSliceDeployments(OpenStackSyncStep):
16 provides=[SliceDeployments]
19 def fetch_pending(self, deleted):
21 return SliceDeployments.deleted_objects.all()
23 return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
25 def get_next_subnet(self, deployment=None):
26 # limit ourself to 10.0.x.x for now
27 valid_subnet = lambda net: net.startswith('10.0')
28 driver = self.driver.admin_driver(deployment=deployment)
29 subnets = driver.shell.quantum.list_subnets()['subnets']
30 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
31 if valid_subnet(subnet['cidr'])]
34 last_ip = IPAddress(ints[-1])
36 last_ip = IPAddress('10.0.0.1')
37 last_ip = IPAddress(ints[-1])
38 last_network = IPNetwork(str(last_ip) + "/24")
39 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
43 def sync_record(self, slice_deployment):
44 logger.info("sync'ing slice deployment %s" % slice_deployment)
45 if not slice_deployment.tenant_id:
46 nova_fields = {'tenant_name': slice_deployment.slice.name,
47 'description': slice_deployment.slice.description,
48 'enabled': slice_deployment.slice.enabled}
49 driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
50 tenant = driver.create_tenant(**nova_fields)
51 slice_deployment.tenant_id = tenant.id
53 # XXX give caller an admin role at the tenant they've created
54 deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
55 deployment=slice_deployment.deployment)
56 if not deployment_users:
57 logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name))
59 deployment_user = deployment_users[0]
60 # lookup user id at this deployment
61 kuser= driver.shell.keystone.users.find(email=slice_deployment.slice.creator.email)
63 # add required roles at the slice's tenant
64 driver.add_user_role(kuser.id, tenant.id, 'admin')
66 # refresh credentials using this tenant
67 client_driver = self.driver.client_driver(caller=deployment_user.user,
69 deployment=slice_deployment.deployment.name)
72 if slice_deployment.id and slice_deployment.tenant_id:
73 # update existing tenant
74 driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
75 driver.update_tenant(slice_deployment.tenant_id,
76 description=slice_deployment.slice.description,
77 enabled=slice_deployment.slice.enabled)
79 if slice_deployment.tenant_id:
80 # update slice/tenant quota
81 driver = self.driver.client_driver(deployment=slice_deployment.deployment.name, tenant=slice_deployment.slice.name)
82 driver.shell.nova.quotas.update(tenant_id=slice_deployment.tenant_id, instances=int(slice_deployment.slice.max_slivers))
84 slice_deployment.save()
87 def delete_record(self, slice_deployment):
88 user = User.objects.get(id=slice_deployment.slice.creator.id)
89 driver = OpenStackDriver().admin_driver(deployment=slice_deployment.deployment.name)
90 client_driver = driver.client_driver(caller=user,
91 tenant=slice_deployment.slice.name,
92 deployment=slice_deployment.deployment.name)
94 if slice_deployment.router_id and slice_deployment.subnet_id:
95 client_driver.delete_router_interface(slice_deployment.router_id, slice_deployment.subnet_id)
96 if slice_deployment.subnet_id:
97 client_driver.delete_subnet(slice_deployment.subnet_id)
98 if slice_deployment.router_id:
99 client_driver.delete_router(slice_deployment.router_id)
100 if slice_deployment.network_id:
101 client_driver.delete_network(slice_deployment.network_id)
102 if slice_deployment.tenant_id:
103 driver.delete_tenant(slice_deployment.tenant_id)
104 # delete external route
106 #subnets = client_driver.shell.quantum.list_subnets()['subnets']
107 #for snet in subnets:
108 # if snet['id'] == slice_deployment.subnet_id:
111 # driver.delete_external_route(subnet)