migrate code over from xos repo
Change-Id: I764ac3196babdb1ce78dded2b2d8d6ad6e965ca6
diff --git a/xos/synchronizer/model_policies/model_policy_Network.py b/xos/synchronizer/model_policies/model_policy_Network.py
new file mode 100644
index 0000000..06347c5
--- /dev/null
+++ b/xos/synchronizer/model_policies/model_policy_Network.py
@@ -0,0 +1,41 @@
+from core.models import *
+
+def handle(network):
+ from core.models import ControllerSlice,ControllerNetwork, Network
+ from collections import defaultdict
+
+ print "MODEL POLICY: network", network
+
+ # network = Network.get(network_id)
+ # network controllers are not visible to users. We must ensure
+ # networks are deployed at all deploymets available to their slices.
+ slice_controllers = ControllerSlice.objects.all()
+ slice_deploy_lookup = defaultdict(list)
+ for slice_controller in slice_controllers:
+ slice_deploy_lookup[slice_controller.slice].append(slice_controller.controller)
+
+ network_controllers = ControllerNetwork.objects.all()
+ network_deploy_lookup = defaultdict(list)
+ for network_controller in network_controllers:
+ network_deploy_lookup[network_controller.network].append(network_controller.controller)
+
+ expected_controllers = slice_deploy_lookup[network.owner]
+ for expected_controller in expected_controllers:
+ if network not in network_deploy_lookup or \
+ expected_controller not in network_deploy_lookup[network]:
+ lazy_blocked=True
+
+ # check and see if some instance already exists
+ for networkslice in network.networkslices.all():
+ if networkslice.slice.instances.filter(node__site_deployment__controller=expected_controller).exists():
+ print "MODEL_POLICY: network, setting lazy_blocked to false because instance on controller already exists"
+ lazy_blocked=False
+
+ nd = ControllerNetwork(network=network, controller=expected_controller, lazy_blocked=lazy_blocked)
+ print "MODEL POLICY: network", network, "create ControllerNetwork", nd, "lazy_blocked", lazy_blocked
+ if network.subnet:
+ # XXX: Possibly unpredictable behavior if there is
+ # more than one ControllerNetwork and the subnet
+ # is specified.
+ nd.subnet = network.subnet
+ nd.save()