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Diffstat (limited to 'nova/api/openstack/contrib/security_groups.py')
-rw-r--r--nova/api/openstack/contrib/security_groups.py19
1 files changed, 8 insertions, 11 deletions
diff --git a/nova/api/openstack/contrib/security_groups.py b/nova/api/openstack/contrib/security_groups.py
index 2844b199f0..dcf99a5c2a 100644
--- a/nova/api/openstack/contrib/security_groups.py
+++ b/nova/api/openstack/contrib/security_groups.py
@@ -245,17 +245,14 @@ class SecurityGroupRulesController(SecurityGroupController):
defined in the given security group.
"""
for rule in security_group.rules:
- if 'group_id' in values:
- if rule['group_id'] == values['group_id']:
- return True
- else:
- is_duplicate = True
- for key in ('cidr', 'from_port', 'to_port', 'protocol'):
- if rule[key] != values[key]:
- is_duplicate = False
- break
- if is_duplicate:
- return True
+ is_duplicate = True
+ keys = ('group_id', 'cidr', 'from_port', 'to_port', 'protocol')
+ for key in keys:
+ if rule.get(key) != values.get(key):
+ is_duplicate = False
+ break
+ if is_duplicate:
+ return True
return False
def _rule_args_to_dict(self, context, to_port=None, from_port=None,