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 # slice deployments are not visible to users. We must ensure
24 # slices are deployed at all deploymets available to their site.
25 site_deployments = SiteDeployments.objects.all()
26 site_deploy_lookup = defaultdict(list)
27 for site_deployment in site_deployments:
28 site_deploy_lookup[site_deployment.site].append(site_deployment.deployment)
30 slice_deployments = SliceDeployments.objects.all()
31 slice_deploy_lookup = defaultdict(list)
32 for slice_deployment in slice_deployments:
33 slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
35 all_deployments = Deployment.objects.all()
36 for slice in Slice.objects.all():
37 # slices are added to all deployments for now
38 expected_deployments = all_deployments
39 #expected_deployments = site_deploy_lookup[slice.site]
40 for expected_deployment in expected_deployments:
41 if slice not in slice_deploy_lookup or \
42 expected_deployment not in slice_deploy_lookup[slice]:
43 sd = SliceDeployments(slice=slice, deployment=expected_deployment)
46 # now we can return all slice deployments that need to be enacted
47 return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
49 def get_next_subnet(self, deployment=None):
50 # limit ourself to 10.0.x.x for now
51 valid_subnet = lambda net: net.startswith('10.0')
52 driver = self.driver.admin_driver(deployment=deployment)
53 subnets = driver.shell.quantum.list_subnets()['subnets']
54 ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
55 if valid_subnet(subnet['cidr'])]
58 last_ip = IPAddress(ints[-1])
60 last_ip = IPAddress('10.0.0.1')
61 last_ip = IPAddress(ints[-1])
62 last_network = IPNetwork(str(last_ip) + "/24")
63 next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
67 def sync_record(self, slice_deployment):
68 logger.info("sync'ing slice deployment %s" % slice_deployment)
69 if not slice_deployment.tenant_id:
70 nova_fields = {'tenant_name': slice_deployment.slice.name,
71 'description': slice_deployment.slice.description,
72 'enabled': slice_deployment.slice.enabled}
73 driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
74 tenant = driver.create_tenant(**nova_fields)
75 slice_deployment.tenant_id = tenant.id
77 # XXX give caller an admin role at the tenant they've created
78 deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
79 deployment=slice_deployment.deployment)
80 if not deployment_users:
81 logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name))
83 deployment_user = deployment_users[0]
84 # lookup user id at this deployment
85 kuser= driver.shell.keystone.users.find(email=slice_deployment.slice.creator.email)
87 # add required roles at the slice's tenant
88 driver.add_user_role(kuser.id, tenant.id, 'admin')
90 # refresh credentials using this tenant
91 client_driver = self.driver.client_driver(caller=deployment_user.user,
93 deployment=slice_deployment.deployment.name)
96 if slice_deployment.id and slice_deployment.tenant_id:
97 # update existing tenant
98 driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
99 driver.update_tenant(slice_deployment.tenant_id,
100 description=slice_deployment.slice.description,
101 enabled=slice_deployment.slice.enabled)
103 if slice_deployment.tenant_id:
104 # update slice/tenant quota
105 driver = self.driver.client_driver(deployment=slice_deployment.deployment.name, tenant=slice_deployment.slice.name)
106 driver.shell.nova.quotas.update(tenant_id=slice_deployment.tenant_id, instances=int(slice_deployment.slice.max_slivers))
108 slice_deployment.save()
111 def delete_record(self, slice_deployment):
112 user = User.objects.get(id=slice_deployment.slice.creator.id)
113 driver = OpenStackDriver().admin_driver(deployment=slice_deployment.deployment.name)
114 client_driver = driver.client_driver(caller=user,
115 tenant=slice_deployment.slice.name,
116 deployment=slice_deployment.deployment.name)
118 if slice_deployment.router_id and slice_deployment.subnet_id:
119 client_driver.delete_router_interface(slice_deployment.router_id, slice_deployment.subnet_id)
120 if slice_deployment.subnet_id:
121 client_driver.delete_subnet(slice_deployment.subnet_id)
122 if slice_deployment.router_id:
123 client_driver.delete_router(slice_deployment.router_id)
124 if slice_deployment.network_id:
125 client_driver.delete_network(slice_deployment.network_id)
126 if slice_deployment.tenant_id:
127 driver.delete_tenant(slice_deployment.tenant_id)
128 # delete external route
130 #subnets = client_driver.shell.quantum.list_subnets()['subnets']
131 #for snet in subnets:
132 # if snet['id'] == slice_deployment.subnet_id:
135 # driver.delete_external_route(subnet)