def _validate_network_subnetpools(self, network, new_subnetpool_id,
ip_version):
"""Validate all subnets on the given network have been allocated from
the same subnet pool as new_subnetpool_id
"""
for subnet in network.subnets:
if (subnet.ip_version == ip_version
and new_subnetpool_id != subnet.subnetpool_id):
raise exc.NetworkSubnetPoolAffinityError()
def _validate_network_subnetpools(self, network, subnet_ip_version,
new_subnetpool, network_scope):
"""Validate all subnets on the given network have been allocated from
the same subnet pool as new_subnetpool if no address scope is
used. If address scopes are used, validate that all subnets on the
given network participate in the same address scope.
"""
# 'new_subnetpool' might just be the Prefix Delegation ID
ipv6_pd_subnetpool = new_subnetpool == const.IPV6_PD_POOL_ID
# Check address scope affinities
if network_scope:
if (ipv6_pd_subnetpool or
new_subnetpool and
new_subnetpool.address_scope_id != network_scope.id):
raise addr_scope_exc.NetworkAddressScopeAffinityError()
# Checks for situations where address scopes aren't involved
for subnet in network.subnets:
if ipv6_pd_subnetpool:
# Check the prefix delegation case. Since there is no
# subnetpool object, we just check against the PD ID.
if (subnet.ip_version == const.IP_VERSION_6 and
subnet.subnetpool_id != const.IPV6_PD_POOL_ID):
raise exc.NetworkSubnetPoolAffinityError()
else:
if new_subnetpool:
# In this case we have the new subnetpool object, so
# we can check the ID and IP version.
if (subnet.subnetpool_id != new_subnetpool.id and
subnet.ip_version == new_subnetpool.ip_version and
not network_scope):
raise exc.NetworkSubnetPoolAffinityError()
else:
if (subnet.subnetpool_id and
subnet.ip_version == subnet_ip_version):
raise exc.NetworkSubnetPoolAffinityError()
