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 from observer.ansible import *
  13
  14 logger = Logger(level=logging.INFO)
  15
  16 class SyncSliceDeployments(OpenStackSyncStep):
  17     provides=[SliceDeployments]
  18     requested_interval=0
  19
  20     def fetch_pending(self, deleted):
  21         if (deleted):
  22             return SliceDeployments.deleted_objects.all()
  23         else:
  24             return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  25
  26     def get_next_subnet(self, deployment=None):
  27         # limit ourself to 10.0.x.x for now
  28         valid_subnet = lambda net: net.startswith('10.0')
  29         driver = self.driver.admin_driver(deployment=deployment)
  30         subnets = driver.shell.quantum.list_subnets()['subnets']
  31         ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
  32                 if valid_subnet(subnet['cidr'])]
  33         ints.sort()
  34         if ints:
  35             last_ip = IPAddress(ints[-1])
  36         else:
  37             last_ip = IPAddress('10.0.0.1')
  38         last_ip = IPAddress(ints[-1])
  39         last_network = IPNetwork(str(last_ip) + "/24")
  40         next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
  41         return next_network
  42
  43
  44     def sync_record(self, slice_deployment):
  45         logger.info("sync'ing slice deployment %s" % slice_deployment)
  46
  47         if not slice_deployment.deployment.admin_user:
  48             logger.info("deployment %r has no admin_user, skipping" % slice_deployment.deployment)
  49             return
  50
  51         deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
  52                                                              deployment=slice_deployment.deployment)
  53         if not deployment_users:
  54             logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name))
  55             roles = []
  56         else:
  57             deployment_user = deployment_users[0]
  58             roles = ['admin']
  59
  60         max_instances=int(slice_deployment.slice.max_slivers)
  61         tenant_fields = {'endpoint':slice_deployment.deployment.auth_url,
  62                          'admin_user': slice_deployment.deployment.admin_user,
  63                          'admin_password': slice_deployment.deployment.admin_password,
  64                          'admin_tenant': 'admin',
  65                          'tenant': slice_deployment.slice.name,
  66                          'tenant_description': slice_deployment.slice.description,
  67                          'roles':roles,
  68                          'name':deployment_user.email,
  69                          'max_instances':max_instances}
  70
  71         res = run_template('sync_slice_deployments.yaml', tenant_fields)
  72         expected_num = len(roles)+1
  73         if (len(res)!=expected_num):
  74             raise Exception('Could not sync tenants for slice %s'%slice_deployment.slice.name)
  75         else:
  76             tenant_id = res[0]['id']
  77             if (not slice_deployment.tenant_id):
  78                 handle = os.popen('nova quota-update --instances %d %s'%(max_instances,tenant_id))
  79                 output = handle.read()
  80                 result = handle.close()
  81                 if (result):
  82                     logging.info('Could not update quota for %s'%slice_deployment.slice.name)
  83                 slice_deployment.tenant_id = tenant_id
  84                 slice_deployment.save()
  85
  86
  87
  88     def delete_record(self, slice_deployment):
  89         user = User.objects.get(id=slice_deployment.slice.creator.id)
  90         driver = OpenStackDriver().admin_driver(deployment=slice_deployment.deployment.name)
  91         client_driver = driver.client_driver(caller=user,
  92                                              tenant=slice_deployment.slice.name,
  93                                              deployment=slice_deployment.deployment.name)
  94
  95         if slice_deployment.router_id and slice_deployment.subnet_id:
  96             client_driver.delete_router_interface(slice_deployment.router_id, slice_deployment.subnet_id)
  97         if slice_deployment.subnet_id:
  98             client_driver.delete_subnet(slice_deployment.subnet_id)
  99         if slice_deployment.router_id:
 100             client_driver.delete_router(slice_deployment.router_id)
 101         if slice_deployment.network_id:
 102             client_driver.delete_network(slice_deployment.network_id)
 103         if slice_deployment.tenant_id:
 104             driver.delete_tenant(slice_deployment.tenant_id)
 105