868631123e
This affects FWaaS V2 drivers for all of the plugins, as the backend does not support this ip. Change-Id: I4aec5f2718581fc867d9bae1722770b448ccdfd5
90 lines
3.6 KiB
Python
90 lines
3.6 KiB
Python
# Copyright 2017 VMware, Inc.
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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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import abc
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from oslo_log import helpers as log_helpers
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from oslo_log import log as logging
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try:
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from neutron_fwaas.services.firewall.service_drivers.agents.drivers \
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import fwaas_base
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except ImportError:
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# FWaaS project no found
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from vmware_nsx.services.fwaas.common import fwaas_mocks \
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as fwaas_base
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LOG = logging.getLogger(__name__)
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class EdgeFwaasDriverBaseV2(fwaas_base.FwaasDriverBase):
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"""NSX Base driver for Firewall As A Service - V2."""
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def __init__(self, driver_name):
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super(EdgeFwaasDriverBaseV2, self).__init__()
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self.driver_name = driver_name
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@log_helpers.log_method_call
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def create_firewall_group(self, agent_mode, apply_list, firewall_group):
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"""Create the Firewall with a given policy. """
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self._validate_firewall_group(firewall_group)
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self._update_backend_routers(apply_list, firewall_group['id'])
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@log_helpers.log_method_call
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def update_firewall_group(self, agent_mode, apply_list, firewall_group):
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"""Remove previous policy and apply the new policy."""
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self._validate_firewall_group(firewall_group)
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self._update_backend_routers(apply_list, firewall_group['id'])
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@log_helpers.log_method_call
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def delete_firewall_group(self, agent_mode, apply_list, firewall_group):
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"""Delete firewall.
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Removes rules created by this instance from the backend firewall
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And add the default allow rule.
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"""
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self._update_backend_routers(apply_list, firewall_group['id'])
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@log_helpers.log_method_call
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def apply_default_policy(self, agent_mode, apply_list, firewall_group):
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"""Apply the default policy (deny all).
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The backend firewall always has this policy (=deny all) as default,
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so we only need to delete the current rules.
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"""
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self._update_backend_routers(apply_list, firewall_group['id'])
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@abc.abstractmethod
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def _update_backend_routers(self, apply_list, fwg_id):
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"""Update all the affected router on the backend"""
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pass
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def _validate_firewall_group(self, firewall_group):
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"""Validate the rules in the firewall group"""
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for rule in firewall_group['egress_rule_list']:
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if (rule.get('source_ip_address') and
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not rule['source_ip_address'].startswith('0.0.0.0')):
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# Ignoring interface port as we cannot set it with the ip
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LOG.info("Rule %(id)s with source ips used in an egress "
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"policy: interface port will be ignored in the NSX "
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"rule", {'id': rule['id']})
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for rule in firewall_group['ingress_rule_list']:
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if (rule.get('destination_ip_address') and
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not rule['destination_ip_address'].startswith('0.0.0.0')):
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# Ignoring interface port as we cannot set it with the ip
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LOG.info("Rule %(id)s with destination ips used in an "
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"ingress policy: interface port will be ignored "
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"in the NSX rule", {'id': rule['id']})
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