planetstack/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.deployment import Deployment
   9 from core.models.site import SiteDeployments
  10 from core.models.slice import Slice, SliceDeployments
  11 from core.models.user import UserDeployments
  12 from util.logger import Logger, logging
  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):
  21         # slice deployments are not visible to users. We must ensure
  22         # slices are deployed at all deploymets available to their site.
  23         site_deployments = SiteDeployments.objects.all()
  24         site_deploy_lookup = defaultdict(list)
  25         for site_deployment in site_deployments:
  26             site_deploy_lookup[site_deployment.site].append(site_deployment.deployment)
  27
  28         slice_deployments = SliceDeployments.objects.all()
  29         slice_deploy_lookup = defaultdict(list)
  30         for slice_deployment in slice_deployments:
  31             slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
  32
  33         all_deployments = Deployment.objects.all()
  34         for slice in Slice.objects.all():
  35             # slices are added to all deployments for now
  36             expected_deployments = all_deployments
  37             #expected_deployments = site_deploy_lookup[slice.site]
  38             for expected_deployment in expected_deployments:
  39                 if slice not in slice_deploy_lookup or \
  40                    expected_deployment not in slice_deploy_lookup[slice]:
  41                     sd = SliceDeployments(slice=slice, deployment=expected_deployment)
  42                     sd.save()
  43
  44         # now we can return all slice deployments that need to be enacted
  45         return SliceDeployments.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None))
  46
  47     def get_next_subnet(self, deployment=None):
  48         # limit ourself to 10.0.x.x for now
  49         valid_subnet = lambda net: net.startswith('10.0')
  50         driver = self.driver.admin_driver(deployment=deployment)
  51         subnets = driver.shell.quantum.list_subnets()['subnets']
  52         ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
  53                 if valid_subnet(subnet['cidr'])]
  54         ints.sort()
  55         if ints:
  56             last_ip = IPAddress(ints[-1])
  57         else:
  58             last_ip = IPAddress('10.0.0.1')
  59         last_ip = IPAddress(ints[-1])
  60         last_network = IPNetwork(str(last_ip) + "/24")
  61         next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
  62         return next_network
  63
  64     def sync_record(self, slice_deployment):
  65         logger.info("sync'ing slice deployment %s" % slice_deployment)
  66         if not slice_deployment.tenant_id:
  67             nova_fields = {'tenant_name': slice_deployment.slice.name,
  68                    'description': slice_deployment.slice.description,
  69                    'enabled': slice_deployment.slice.enabled}
  70             driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
  71             tenant = driver.create_tenant(**nova_fields)
  72             slice_deployment.tenant_id = tenant.id
  73
  74             # XXX give caller an admin role at the tenant they've created
  75             deployment_users = UserDeployments.objects.filter(user=slice_deployment.slice.creator,
  76                                                              deployment=slice_deployment.deployment)
  77             if not deployment_users:
  78                 logger.info("slice createor %s has not accout at deployment %s" % (slice_deployment.slice.creator, slice_deployment.deployment.name))
  79             else:
  80                 deployment_user = deployment_users[0]
  81                 # lookup user id at this deployment
  82                 kuser= driver.shell.keystone.users.find(email=slice_deployment.slice.creator.email)
  83
  84                 # add required roles at the slice's tenant
  85                 driver.add_user_role(kuser.id, tenant.id, 'admin')
  86
  87                 # refresh credentials using this tenant
  88                 client_driver = self.driver.client_driver(caller=deployment_user.user,
  89                                                           tenant=tenant.name,
  90                                                           deployment=slice_deployment.deployment.name)
  91
  92                 # create a public key for the slice creator
  93                 if deployment_user.user.public_key:
  94                     keyname = deployment_user.user.email.lower().replace('@', 'AT').replace('.', '') +\
  95                               slice_deployment.slice.name
  96                     slice_deployment.keyname = keyname
  97                     key_fields =  {'name': keyname,
  98                                    'public_key': deployment_user.user.public_key}
  99                     client_driver.create_keypair(**key_fields)
 100
 101                 # create network
 102                 #network = client_driver.create_network(slice_deployment.slice.name)
 103                 #slice_deployment.network_id = network['id']
 104
 105                 # create router
 106                 #router = client_driver.create_router(slice_deployment.slice.name)
 107                 #slice_deployment.router_id = router['id']
 108
 109                 # create subnet for slice's private network
 110                 #next_subnet = self.get_next_subnet(deployment=slice_deployment.deployment.name)
 111                 #cidr = str(next_subnet.cidr)
 112                 #ip_version = next_subnet.version
 113                 #start = str(next_subnet[2])
 114                 #end = str(next_subnet[-2])
 115                 #subnet = client_driver.create_subnet(name=slice_deployment.slice.name,
 116                 #                                   network_id = network['id'],
 117                 #                                   cidr_ip = cidr,
 118                 #                                   ip_version = ip_version,
 119                 #                                   start = start,
 120                 #                                   end = end)
 121                 #slice_deployment.subnet_id = subnet['id']
 122                 # add subnet as interface to slice's router
 123                 #client_driver.add_router_interface(router['id'], subnet['id'])
 124                 # add external route
 125                 #client_driver.add_external_route(subnet)
 126
 127
 128         if slice_deployment.id and slice_deployment.tenant_id:
 129             driver = self.driver.admin_driver(deployment=slice_deployment.deployment.name)
 130             driver.update_tenant(slice_deployment.tenant_id,
 131                                  description=slice_deployment.slice.description,
 132                                  enabled=slice_deployment.slice.enabled)
 133
 134         slice_deployment.save()