0446eaccbf
* s+[/.]nicira_nvp_plugin++ * Backwards compatibility is maintained by importing the nicira package as nicira_nvp_plugin in the plugins package. * It may be necessary to remove stale .pyc/.pyo files under the nicira path after applying this patch. * DocImpact * Addresses bug 1166307 Change-Id: I241a2a75106398506b01bcb7a6ddbaafa1b7bd30
124 lines
5.3 KiB
Python
124 lines
5.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2013 Nicira, Inc.
|
|
# All Rights Reserved
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless equired by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
#
|
|
# @author: Aaron Rosen, Nicira Networks, Inc.
|
|
|
|
from quantum.extensions import securitygroup as ext_sg
|
|
|
|
# Protocol number look up for supported protocols
|
|
protocol_num_look_up = {'tcp': 6, 'icmp': 1, 'udp': 17}
|
|
|
|
|
|
class NVPSecurityGroups(object):
|
|
|
|
def _convert_to_nvp_rule(self, rule, with_id=False):
|
|
"""Converts Quantum API security group rule to NVP API."""
|
|
nvp_rule = {}
|
|
params = ['remote_ip_prefix', 'protocol',
|
|
'remote_group_id', 'port_range_min',
|
|
'port_range_max', 'ethertype']
|
|
if with_id:
|
|
params.append('id')
|
|
|
|
for param in params:
|
|
value = rule.get(param)
|
|
if param not in rule:
|
|
nvp_rule[param] = value
|
|
elif not value:
|
|
pass
|
|
elif param == 'remote_ip_prefix':
|
|
nvp_rule['ip_prefix'] = rule['remote_ip_prefix']
|
|
elif param == 'remote_group_id':
|
|
nvp_rule['profile_uuid'] = rule['remote_group_id']
|
|
elif param == 'protocol':
|
|
nvp_rule['protocol'] = protocol_num_look_up[rule['protocol']]
|
|
else:
|
|
nvp_rule[param] = value
|
|
return nvp_rule
|
|
|
|
def _convert_to_nvp_rules(self, rules, with_id=False):
|
|
"""Converts a list of Quantum API security group rules to NVP API."""
|
|
nvp_rules = {'logical_port_ingress_rules': [],
|
|
'logical_port_egress_rules': []}
|
|
for direction in ['logical_port_ingress_rules',
|
|
'logical_port_egress_rules']:
|
|
for rule in rules[direction]:
|
|
nvp_rules[direction].append(
|
|
self._convert_to_nvp_rule(rule, with_id))
|
|
return nvp_rules
|
|
|
|
def _get_security_group_rules_nvp_format(self, context, security_group_id,
|
|
with_id=False):
|
|
"""Query quantum db for security group rules.
|
|
"""
|
|
fields = ['remote_ip_prefix', 'remote_group_id', 'protocol',
|
|
'port_range_min', 'port_range_max', 'protocol', 'ethertype']
|
|
if with_id:
|
|
fields.append('id')
|
|
|
|
filters = {'security_group_id': [security_group_id],
|
|
'direction': ['ingress']}
|
|
ingress_rules = self.get_security_group_rules(context, filters, fields)
|
|
filters = {'security_group_id': [security_group_id],
|
|
'direction': ['egress']}
|
|
egress_rules = self.get_security_group_rules(context, filters, fields)
|
|
rules = {'logical_port_ingress_rules': egress_rules,
|
|
'logical_port_egress_rules': ingress_rules}
|
|
return self._convert_to_nvp_rules(rules, with_id)
|
|
|
|
def _get_profile_uuid(self, context, remote_group_id):
|
|
"""Return profile id from novas group id. """
|
|
security_group = self.get_security_group(context, remote_group_id)
|
|
if not security_group:
|
|
raise ext_sg.SecurityGroupNotFound(id=remote_group_id)
|
|
return security_group['id']
|
|
|
|
def _merge_security_group_rules_with_current(self, context, new_rules,
|
|
security_group_id):
|
|
merged_rules = self._get_security_group_rules_nvp_format(
|
|
context, security_group_id)
|
|
for new_rule in new_rules:
|
|
rule = new_rule['security_group_rule']
|
|
rule['security_group_id'] = security_group_id
|
|
if rule.get('souce_group_id'):
|
|
rule['remote_group_id'] = self._get_profile_uuid(
|
|
context, rule['remote_group_id'])
|
|
if rule['direction'] == 'ingress':
|
|
merged_rules['logical_port_egress_rules'].append(
|
|
self._convert_to_nvp_rule(rule))
|
|
elif rule['direction'] == 'egress':
|
|
merged_rules['logical_port_ingress_rules'].append(
|
|
self._convert_to_nvp_rule(rule))
|
|
return merged_rules
|
|
|
|
def _remove_security_group_with_id_and_id_field(self, rules, rule_id):
|
|
"""This function receives all of the current rule associated with a
|
|
security group and then removes the rule that matches the rule_id. In
|
|
addition it removes the id field in the dict with each rule since that
|
|
should not be passed to nvp.
|
|
"""
|
|
for rule_direction in rules.values():
|
|
item_to_remove = None
|
|
for port_rule in rule_direction:
|
|
if port_rule['id'] == rule_id:
|
|
item_to_remove = port_rule
|
|
else:
|
|
# remove key from dictionary for NVP
|
|
del port_rule['id']
|
|
if item_to_remove:
|
|
rule_direction.remove(item_to_remove)
|