diff options
| -rwxr-xr-x | bin/nova-manage | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bin/nova-manage b/bin/nova-manage index b63bd326f..da9538e39 100755 --- a/bin/nova-manage +++ b/bin/nova-manage @@ -56,6 +56,7 @@ import gettext import glob import json +import math import netaddr import os import sys @@ -669,6 +670,14 @@ class NetworkCommands(object): num_networks = FLAGS.num_networks if not network_size: network_size = FLAGS.network_size + fixnet = netaddr.IPNetwork(fixed_range) + each_subnet_size = fixnet.size / int(num_networks) + if each_subnet_size > network_size: + subnet = 32 - int(math.log(network_size, 2)) + oversize_msg = _('Subnet(s) too large, defaulting to /%s.' + ' To override, specify network_size flag.' + % subnet) + print oversize_msg if not multi_host: multi_host = FLAGS.multi_host else: |