planetstack/openstack_observer/steps/sync_slice_deployments.py

   1 import os
   2 import base64
   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
  12
  13 logger = Logger(level=logging.INFO)
  14
  15 class SyncSliceDeployments(OpenStackSyncStep):
  16     provides=[SliceDeployments]
  17     requested_interval=0
  18
  19     def fetch_pending(self, deleted):
  20         if (deleted):
  21             return SliceDeployments.deleted_objects.all()
  22         else:
  23             return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  24
  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'])]
  32         ints.sort()
  33         if ints:
  34             last_ip = IPAddress(ints[-1])
  35         else:
  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")
  40         return next_network
  41
  42
  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
  52
  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))
  58             else:
  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)
  62
  63                 # add required roles at the slice's tenant
  64                 driver.add_user_role(kuser.id, tenant.id, 'admin')
  65
  66                 # refresh credentials using this tenant
  67                 client_driver = self.driver.client_driver(caller=deployment_user.user,
  68                                                           tenant=tenant.name,
  69                                                           deployment=slice_deployment.deployment.name)
  70
  71
  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)
  78
  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))
  83
  84         slice_deployment.save()
  85
  86
  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)
  93
  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
 105         #subnet = None
 106         #subnets = client_driver.shell.quantum.list_subnets()['subnets']
 107         #for snet in subnets:
 108         #    if snet['id'] == slice_deployment.subnet_id:
 109         #        subnet = snet
 110         #if subnet:
 111         #    driver.delete_external_route(subnet)