Policy: Add new network objects to all deployments

diff --git a/planetstack/model_policies/model_policy_Network.py b/planetstack/model_policies/model_policy_Network.py
new file mode 100644 (file)
index 0000000..0511bee
--- /dev/null
+++ b/planetstack/model_policies/model_policy_Network.py
@@ -0,0 +1,21 @@
+from core.models import *
+
+def handle(network):
+       # network deployments are not visible to users. We must ensure
+       # networks are deployed at all deploymets available to their slices.
+       slice_deployments = SliceDeployments.objects.all()
+       slice_deploy_lookup = defaultdict(list)
+       for slice_deployment in slice_deployments:
+               slice_deploy_lookup[slice_deployment.slice].append(slice_deployment.deployment)
+
+       network_deployments = NetworkDeployments.objects.all()
+       network_deploy_lookup = defaultdict(list)
+       for network_deployment in network_deployments:
+               network_deploy_lookup[network_deployment.network].append(network_deployment.deployment)
+
+       expected_deployments = slice_deploy_lookup[network.owner]
+       for expected_deployment in expected_deployments:
+               if network not in network_deploy_lookup or \
+                 expected_deployment not in network_deploy_lookup[network]:
+                       nd = NetworkDeployments(network=network, deployment=expected_deployment)
+                       nd.save()