def delete_nat_rules_by_match(cluster,
router_id,
rule_type,
max_num_expected,
min_num_expected=0,
**kwargs):
# remove nat rules
nat_rules = query_nat_rules(cluster, router_id)
to_delete_ids = []
for r in nat_rules:
if (r['type'] != rule_type):
continue
for key, value in kwargs.iteritems():
if not (key in r['match'] and r['match'][key] == value):
break
else:
to_delete_ids.append(r['uuid'])
if not (len(to_delete_ids) in range(min_num_expected,
max_num_expected + 1)):
raise nsx_exc.NatRuleMismatch(actual_rules=len(to_delete_ids),
min_rules=min_num_expected,
max_rules=max_num_expected)
for rule_id in to_delete_ids:
delete_router_nat_rule(cluster, router_id, rule_id)
def delete_nat_rules_by_match(cluster,
router_id,
rule_type,
max_num_expected,
min_num_expected=0,
raise_on_len_mismatch=True,
**kwargs):
# remove nat rules
nat_rules = query_nat_rules(cluster, router_id)
to_delete_ids = []
for r in nat_rules:
if (r['type'] != rule_type):
continue
for key, value in kwargs.iteritems():
if not (key in r['match'] and r['match'][key] == value):
break
else:
to_delete_ids.append(r['uuid'])
num_rules_to_delete = len(to_delete_ids)
if (num_rules_to_delete < min_num_expected
or num_rules_to_delete > max_num_expected):
if raise_on_len_mismatch:
raise nsx_exc.NatRuleMismatch(actual_rules=num_rules_to_delete,
min_rules=min_num_expected,
max_rules=max_num_expected)
else:
LOG.warn(
_LW("Found %(actual_rule_num)d matching NAT rules, which "
"is not in the expected range (%(min_exp_rule_num)d,"
"%(max_exp_rule_num)d)"), {
'actual_rule_num': num_rules_to_delete,
'min_exp_rule_num': min_num_expected,
'max_exp_rule_num': max_num_expected
})
for rule_id in to_delete_ids:
delete_router_nat_rule(cluster, router_id, rule_id)
# Return number of deleted rules - useful at least for
# testing purposes
return num_rules_to_delete