planetstack/openstack_observer/steps/sync_controller_slices.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.slice import Slice, ControllerSlices
   9 from core.models.usercontrollers import ControllerUsers
  10 from util.logger import Logger, logging
  11 from observer.ansible import *
  12
  13 logger = Logger(level=logging.INFO)
  14
  15 class SyncControllerSlices(OpenStackSyncStep):
  16     provides=[ControllerSlices]
  17     requested_interval=0
  18
  19     def fetch_pending(self, deleted):
  20         if (deleted):
  21             return ControllerSlices.deleted_objects.all()
  22         else:
  23             return ControllerSlices.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  24
  25     def get_next_subnet(self, controller=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(controller=controller)
  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, controller_slice):
  44         logger.info("sync'ing slice controller %s" % controller_slice)
  45
  46         if not controller_slice.controller.admin_user:
  47             logger.info("controller %r has no admin_user, skipping" % controller_slice.controller)
  48             return
  49
  50         controller_users = ControllerUsers.objects.filter(user=controller_slice.slice.creator,
  51                                                              controller=controller_slice.controller)
  52         if not controller_users:
  53             logger.info("slice createor %s has not accout at controller %s" % (controller_slice.slice.creator, controller_slice.controller.name))
  54             roles = []
  55         else:
  56             controller_user = controller_users[0]
  57             roles = ['admin']
  58
  59         max_instances=int(controller_slice.slice.max_slivers)
  60         tenant_fields = {'endpoint':controller_slice.controller.auth_url,
  61                          'admin_user': controller_slice.controller.admin_user,
  62                          'admin_password': controller_slice.controller.admin_password,
  63                          'admin_tenant': 'admin',
  64                          'tenant': controller_slice.slice.name,
  65                          'tenant_description': controller_slice.slice.description,
  66                          'roles':roles,
  67                          'name':controller_user.user.email,
  68                          'max_instances':max_instances}
  69
  70         res = run_template('sync_controller_slices.yaml', tenant_fields)
  71         expected_num = len(roles)+1
  72         if (len(res)!=expected_num):
  73             raise Exception('Could not sync tenants for slice %s'%controller_slice.slice.name)
  74         else:
  75             tenant_id = res[0]['id']
  76             if (not controller_slice.tenant_id):
  77                 handle = os.popen('nova quota-update --instances %d %s'%(max_instances,tenant_id))
  78                 output = handle.read()
  79                 result = handle.close()
  80                 if (result):
  81                     logging.info('Could not update quota for %s'%controller_slice.slice.name)
  82                 controller_slice.tenant_id = tenant_id
  83                 controller_slice.save()
  84
  85
  86
  87     def delete_record(self, controller_slice):
  88         user = User.objects.get(id=controller_slice.slice.creator.id)
  89         driver = OpenStackDriver().admin_driver(controller=controller_slice.controller.name)
  90         client_driver = driver.client_driver(caller=user,
  91                                              tenant=controller_slice.slice.name,
  92                                              controller=controller_slice.controller.name)
  93
  94         if controller_slice.router_id and controller_slice.subnet_id:
  95             client_driver.delete_router_interface(controller_slice.router_id, controller_slice.subnet_id)
  96         if controller_slice.subnet_id:
  97             client_driver.delete_subnet(controller_slice.subnet_id)
  98         if controller_slice.router_id:
  99             client_driver.delete_router(controller_slice.router_id)
 100         if controller_slice.network_id:
 101             client_driver.delete_network(controller_slice.network_id)
 102         if controller_slice.tenant_id:
 103             driver.delete_tenant(controller_slice.tenant_id)
 104