planetstack/model_policies/model_policy_Slice.py

   1
   2 def handle(slice):
   3         from core.models import SiteDeployments,SliceDeployments,Deployment,Network,NetworkSlice,NetworkTemplate
   4         from collections import defaultdict
   5         site_deployments = SiteDeployments.objects.all()
   6         site_deploy_lookup = defaultdict(list)
   7         for site_deployment in site_deployments:
   8                 site_deploy_lookup[site_deployment.site].append(site_deployment.deployment)
   9
  10         slice_deployments = SliceDeployments.objects.all()
  11         slice_deploy_lookup = defaultdict(list)
  12         for slice_deployment in slice_deployments:
  13                 slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
  14
  15         all_deployments = Deployment.objects.all()
  16         # slices are added to all deployments for now
  17         expected_deployments = all_deployments
  18         #expected_deployments = site_deploy_lookup[slice.site]
  19         for expected_deployment in expected_deployments:
  20                 if slice not in slice_deploy_lookup or \
  21                    expected_deployment not in slice_deploy_lookup[slice]:
  22                         sd = SliceDeployments(slice=slice, deployment=expected_deployment)
  23                         sd.save()
  24
  25         # make sure slice has at least 1 public and 1 private networkd
  26         public_net = None
  27         private_net = None
  28         networks = Network.objects.filter(owner=slice)
  29         for network in networks:
  30                 if network.template.name == 'Public dedicated IPv4':
  31                         public_net = network
  32                 elif network.template.name == 'Private':
  33                         private_net = network
  34         if not public_net:
  35                 public_net = Network(
  36                 name = slice.name+'-public',
  37                 template = NetworkTemplate.objects.get(name='Public dedicated IPv4'),
  38                 owner = slice
  39                 )
  40                 public_net.save()
  41
  42         if not private_net:
  43                 private_net = Network(
  44                 name = slice.name+'-private',
  45                 template = NetworkTemplate.objects.get(name='Private'),
  46                 owner = slice
  47                 )
  48                 private_net.save()
  49         # create slice networks
  50         public_net_slice = None
  51         private_net_slice = None
  52         net_slices = NetworkSlice.objects.filter(slice=slice, network__in=[public_net,private_net])
  53         for net_slice in net_slices:
  54                 if net_slice.network == public_net:
  55                         public_net_slice = net_slice
  56                 elif net_slice.network == private_net:
  57                         private_net_slice = net_slice
  58         if not public_net_slice:
  59                 public_net_slice = NetworkSlice(slice=slice, network=public_net)
  60                 public_net_slice.save()
  61         if not private_net_slice:
  62                 private_net_slice = NetworkSlice(slice=slice, network=private_net)
  63                 private_net_slice.save()
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