47 lines
2.2 KiB
Python
47 lines
2.2 KiB
Python
# Copyright (c) 2014 ThoughtWorks
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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class RuleComparator:
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def __init__(self, ec2_connection):
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self.ec2_connection = ec2_connection
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def rules_are_equal(self, openstack_rule, ec2_rule):
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if self._ip_protocols_are_different(ec2_rule, openstack_rule) \
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or self._from_ports_are_different(ec2_rule, openstack_rule) \
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or self._to_ports_are_different(ec2_rule, openstack_rule) \
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or self._ip_ranges_are_present_and_different(ec2_rule, openstack_rule) \
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or self._group_names_are_present_and_different(openstack_rule, ec2_rule):
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return False
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return True
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def _ip_protocols_are_different(self, ec2_rule, openstack_rule):
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return openstack_rule['ip_protocol'] != ec2_rule.ip_protocol
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def _from_ports_are_different(self, ec2_rule, openstack_rule):
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return str(openstack_rule['from_port']) != ec2_rule.from_port
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def _to_ports_are_different(self, ec2_rule, openstack_rule):
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return str(openstack_rule['to_port']) != ec2_rule.to_port
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def _ip_ranges_are_present_and_different(self, ec2_rule, openstack_rule):
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return ('cidr' in openstack_rule['ip_range'] and openstack_rule['ip_range']['cidr'] != ec2_rule.grants[0].cidr_ip)
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def _group_names_are_present_and_different(self, openstack_rule, ec2_rule):
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if 'name' not in openstack_rule['group']:
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return False
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else:
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ec2_group_name = self.ec2_connection.get_all_security_groups(group_ids=ec2_rule.grants[0].group_id)[0].name
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return openstack_rule['group']['name'] != ec2_group_name
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