def verify_rule_overlap(db_metering_rule, metering_label_rule,
attribute_name):
if db_metering_rule.get(attribute_name) and metering_label_rule.get(
attribute_name):
remote_ip_prefix = metering_label_rule[attribute_name]
cidr = [db_metering_rule.get(attribute_name)]
new_cidr_ipset = netaddr.IPSet([remote_ip_prefix])
if netaddr.IPSet(cidr) & new_cidr_ipset:
LOG.warning(
"The metering rule [%s] overlaps with"
" previously created rule [%s]. It is not an"
" expected use case, and people should use"
" it wisely.", metering_label_rule, db_metering_rule)
raise metering_exc.MeteringLabelRuleOverlaps(
remote_ip_prefix=remote_ip_prefix)
def _validate_cidr(self, context, label_id, remote_ip_prefix, direction,
excluded):
r_ips = self.get_metering_label_rules(context,
filters={
'metering_label_id':
[label_id],
'direction': [direction],
'excluded': [excluded]
},
fields=['remote_ip_prefix'])
cidrs = [r['remote_ip_prefix'] for r in r_ips]
new_cidr_ipset = netaddr.IPSet([remote_ip_prefix])
if (netaddr.IPSet(cidrs) & new_cidr_ipset):
raise metering_exc.MeteringLabelRuleOverlaps(
remote_ip_prefix=remote_ip_prefix)