blob: d9ec215a5654cca9baf957eb8f434c196924ef13 [file] [log] [blame]
from synchronizers.new_base.modelaccessor import *
from collections import defaultdict
def handle(network):
print "MODEL POLICY: network", network
# network controllers are not visible to users. We must ensure
# networks are deployed at all deploymets available to their slices.
# TODO: should be possible to query only the ControllerSlice objects
# associated with network.owner rather than iterating through
# all ControllerSlice.
slice_controllers = ControllerSlice.objects.all()
slice_deploy_lookup = defaultdict(list)
for slice_controller in slice_controllers:
slice_deploy_lookup[slice_controller.slice.id].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.id].append(network_controller.controller.id)
expected_controllers = slice_deploy_lookup[network.owner.id]
for expected_controller in expected_controllers:
if network.id not in network_deploy_lookup or expected_controller.id not in network_deploy_lookup[network.id]:
lazy_blocked=True
# check and see if some instance already exists
for networkslice in network.networkslices.all():
found = False
for instance in networkslice.slice.instances.all():
if instance.node.site_deployment.controller.id == expected_controller.id:
found = True
if found:
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()