ec2-driver/rule_comparator.py

32 lines
1.5 KiB
Python

class RuleComparator:
def __init__(self, ec2_connection):
self.ec2_connection = ec2_connection
def rules_are_equal(self, openstack_rule, ec2_rule):
if self._ip_protocols_are_different(ec2_rule, openstack_rule) \
or self._from_ports_are_different(ec2_rule, openstack_rule) \
or self._to_ports_are_different(ec2_rule, openstack_rule) \
or self._ip_ranges_are_present_and_different(ec2_rule, openstack_rule) \
or self._group_names_are_present_and_different(openstack_rule, ec2_rule):
return False
return True
def _ip_protocols_are_different(self, ec2_rule, openstack_rule):
return openstack_rule['ip_protocol'] != ec2_rule.ip_protocol
def _from_ports_are_different(self, ec2_rule, openstack_rule):
return str(openstack_rule['from_port']) != ec2_rule.from_port
def _to_ports_are_different(self, ec2_rule, openstack_rule):
return str(openstack_rule['to_port']) != ec2_rule.to_port
def _ip_ranges_are_present_and_different(self, ec2_rule, openstack_rule):
return ('cidr' in openstack_rule['ip_range'] and openstack_rule['ip_range']['cidr'] != ec2_rule.grants[0].cidr_ip)
def _group_names_are_present_and_different(self, openstack_rule, ec2_rule):
if 'name' not in openstack_rule['group']:
return False
else:
ec2_group_name = self.ec2_connection.get_all_security_groups(group_ids=ec2_rule.grants[0].group_id)[0].name
return openstack_rule['group']['name'] != ec2_group_name