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)
46 if not slice_deployment.deployment.admin_user:
47 logger.info("deployment %r has no admin_user, skipping" % slice_deployment.deployment)
50 if not slice_deployment.tenant_id:
51 nova_fields = {'tenant_name': slice_deployment.slice.name,
52 'description': slice_deployment.slice.description,
53 'enabled': slice_deployment.slice.enabled}
54 driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
55 tenant = driver.create_tenant(**nova_fields)
56 slice_deployment.tenant_id = tenant.id
58 # XXX give caller an admin role at the tenant they've created
59 deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
60 deployment=slice_deployment.deployment)
61 if not deployment_users:
62 logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name))
64 deployment_user = deployment_users[0]
65 # lookup user id at this deployment
66 kuser= driver.shell.keystone.users.find(email=slice_deployment.slice.creator.email)
68 # add required roles at the slice's tenant
69 driver.add_user_role(kuser.id, tenant.id, 'admin')
71 # refresh credentials using this tenant
72 client_driver = self.driver.client_driver(caller=deployment_user.user,
74 deployment=slice_deployment.deployment.name)
77 if slice_deployment.id and slice_deployment.tenant_id:
78 # update existing tenant
79 driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
80 driver.update_tenant(slice_deployment.tenant_id,
81 description=slice_deployment.slice.description,
82 enabled=slice_deployment.slice.enabled)
84 if slice_deployment.tenant_id:
85 # update slice/tenant quota
86 driver = self.driver.client_driver(deployment=slice_deployment.deployment.name, tenant=slice_deployment.slice.name)
87 driver.shell.nova.quotas.update(tenant_id=slice_deployment.tenant_id, instances=int(slice_deployment.slice.max_slivers))
89 slice_deployment.save()
92 def delete_record(self, slice_deployment):
93 user = User.objects.get(id=slice_deployment.slice.creator.id)
94 driver = OpenStackDriver().admin_driver(deployment=slice_deployment.deployment.name)
95 client_driver = driver.client_driver(caller=user,
96 tenant=slice_deployment.slice.name,
97 deployment=slice_deployment.deployment.name)
99 if slice_deployment.router_id and slice_deployment.subnet_id:
100 client_driver.delete_router_interface(slice_deployment.router_id, slice_deployment.subnet_id)
101 if slice_deployment.subnet_id:
102 client_driver.delete_subnet(slice_deployment.subnet_id)
103 if slice_deployment.router_id:
104 client_driver.delete_router(slice_deployment.router_id)
105 if slice_deployment.network_id:
106 client_driver.delete_network(slice_deployment.network_id)
107 if slice_deployment.tenant_id:
108 driver.delete_tenant(slice_deployment.tenant_id)
109 # delete external route
111 #subnets = client_driver.shell.quantum.list_subnets()['subnets']
112 #for snet in subnets:
113 # if snet['id'] == slice_deployment.subnet_id:
116 # driver.delete_external_route(subnet)