planetstack/model_policies/model_policy_Network.py

   1 from core.models import *
   2
   3 def handle(network):
   4         # network deployments are not visible to users. We must ensure
   5         # networks are deployed at all deploymets available to their slices.
   6         slice_deployments = SliceDeployments.objects.all()
   7         slice_deploy_lookup = defaultdict(list)
   8         for slice_deployment in slice_deployments:
   9                 slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
  10
  11         network_deployments = NetworkDeployments.objects.all()
  12         network_deploy_lookup = defaultdict(list)
  13         for network_deployment in network_deployments:
  14                 network_deploy_lookup[network_deployment.network].append(network_deployment.deployment)
  15
  16         expected_deployments = slice_deploy_lookup[network.owner]
  17         for expected_deployment in expected_deployments:
  18                 if network not in network_deploy_lookup or \
  19                   expected_deployment not in network_deploy_lookup[network]:
  20                         nd = NetworkDeployments(network=network, deployment=expected_deployment)
  21                         nd.save()