CORD-1010 Fix Controller, Image, Network, and User model_policies

Change-Id: I42f8771048090666acd9d75ca32b6081a72ce880
diff --git a/xos/synchronizer/model_policies/model_policy_Controller.py b/xos/synchronizer/model_policies/model_policy_Controller.py
index 2ff25d4..680f252 100644
--- a/xos/synchronizer/model_policies/model_policy_Controller.py
+++ b/xos/synchronizer/model_policies/model_policy_Controller.py
@@ -6,56 +6,61 @@
     ctrls_by_site = defaultdict(list)
     ctrl_sites = ControllerSite.objects.all()
     for ctrl_site in ctrl_sites:
-        ctrls_by_site[ctrl_site.site].append(ctrl_site.controller)
+        ctrls_by_site[ctrl_site.site.id].append(ctrl_site.controller.id)
+
     sites = Site.objects.all()
     for site in sites:
-        if site not in ctrls_by_site or \
-            controller not in ctrls_by_site[site]:
+        if site.id not in ctrls_by_site or controller.id not in ctrls_by_site[site.id]:
             controller_site = ControllerSite(controller=controller, site=site)
             controller_site.save()
+
     # relations for all slices
     ctrls_by_slice = defaultdict(list)
     ctrl_slices = ControllerSlice.objects.all()
     for ctrl_slice in ctrl_slices:
-        ctrls_by_slice[ctrl_slice.slice].append(ctrl_slice.controller)
+        ctrls_by_slice[ctrl_slice.slice.id].append(ctrl_slice.controller.id)
+
     slices = Slice.objects.all()
     for slice in slices:
-        if slice not in ctrls_by_slice or \
-            controller not in ctrls_by_slice[slice]:
+        if slice.id not in ctrls_by_slice or controller.id not in ctrls_by_slice[slice.id]:
             controller_slice = ControllerSlice(controller=controller, slice=slice)
             controller_slice.save()
+
     # relations for all users
     ctrls_by_user = defaultdict(list)
     ctrl_users = ControllerUser.objects.all()
     for ctrl_user in ctrl_users:
-        ctrls_by_user[ctrl_user.user].append(ctrl_user.controller)
+        ctrls_by_user[ctrl_user.user.id].append(ctrl_user.controller.id)
+
     users = User.objects.all()
     for user in users:
-        if user not in ctrls_by_user or \
-            controller not in ctrls_by_user[user]:
+        if user.id not in ctrls_by_user or controller.id not in ctrls_by_user[user.id]:
             controller_user = ControllerUser(controller=controller, user=user)
             controller_user.save()
+
     # relations for all networks
     ctrls_by_network = defaultdict(list)
     ctrl_networks = ControllerNetwork.objects.all()
     for ctrl_network in ctrl_networks:
-        ctrls_by_network[ctrl_network.network].append(ctrl_network.controller)
+        ctrls_by_network[ctrl_network.network.id].append(ctrl_network.controller.id)
+
     networks = Network.objects.all()
     for network in networks:
-        if network not in ctrls_by_network or \
-            controller not in ctrls_by_network[network]:
+        if network.id not in ctrls_by_network or controller.id not in ctrls_by_network[network.id]:
             controller_network = ControllerNetwork(controller=controller, network=network)
             if network.subnet and network.subnet.strip():
                 controller_network.subnet = network.subnet.strip()
             controller_network.save()
+
     # relations for all images
     ctrls_by_image = defaultdict(list)
     ctrl_images = ControllerImages.objects.all()
     for ctrl_image in ctrl_images:
-        ctrls_by_image[ctrl_image.image].append(ctrl_image.controller)
+        ctrls_by_image[ctrl_image.image.id].append(ctrl_image.controller.id)
+
     images = Image.objects.all()
     for image in images:
-        if image not in ctrls_by_image or \
-            controller not in ctrls_by_image[image]:
+        if image.id not in ctrls_by_image or controller.id not in ctrls_by_image[image.id]:
             controller_image = ControllerImages(controller=controller, image=image)
             controller_image.save()
+