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
  46         if not slice_deployment.deployment.admin_user:
  47             logger.info("deployment %r has no admin_user, skipping" % slice_deployment.deployment)
  48             return
  49
  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
  57
  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))
  63             else:
  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)
  67
  68                 # add required roles at the slice's tenant
  69                 driver.add_user_role(kuser.id, tenant.id, 'admin')
  70
  71                 # refresh credentials using this tenant
  72                 client_driver = self.driver.client_driver(caller=deployment_user.user,
  73                                                           tenant=tenant.name,
  74                                                           deployment=slice_deployment.deployment.name)
  75
  76
  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)
  83
  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))
  88
  89         slice_deployment.save()
  90
  91
  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)
  98
  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
 110         #subnet = None
 111         #subnets = client_driver.shell.quantum.list_subnets()['subnets']
 112         #for snet in subnets:
 113         #    if snet['id'] == slice_deployment.subnet_id:
 114         #        subnet = snet
 115         #if subnet:
 116         #    driver.delete_external_route(subnet)