ca5a92d8e2
blueprint nec-security-group This commit also refactors RPC API and callbacks in the plugin and agent to support security group RPC. Change-Id: I09d69ca3aff43e0468bbd5df6367de767af27acc
187 lines
7.0 KiB
Python
187 lines
7.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
#
|
|
# Copyright 2012, Nachi Ueno, NTT MCL, 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 required 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.
|
|
#
|
|
|
|
from quantum.common import topics
|
|
from quantum.openstack.common import cfg
|
|
from quantum.openstack.common import importutils
|
|
from quantum.openstack.common import log as logging
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
SG_RPC_VERSION = "1.1"
|
|
|
|
security_group_opts = [
|
|
cfg.StrOpt(
|
|
'firewall_driver',
|
|
default='quantum.agent.firewall.NoopFirewallDriver')
|
|
]
|
|
cfg.CONF.register_opts(security_group_opts, 'SECURITYGROUP')
|
|
|
|
|
|
class SecurityGroupServerRpcApiMixin(object):
|
|
"""A mix-in that enable SecurityGroup support in plugin rpc
|
|
"""
|
|
def security_group_rules_for_devices(self, context, devices):
|
|
LOG.debug(_("Get security group rules "
|
|
"for devices via rpc %r"), devices)
|
|
return self.call(context,
|
|
self.make_msg('security_group_rules_for_devices',
|
|
devices=devices),
|
|
version=SG_RPC_VERSION,
|
|
topic=self.topic)
|
|
|
|
|
|
class SecurityGroupAgentRpcCallbackMixin(object):
|
|
"""A mix-in that enable SecurityGroup agent
|
|
support in agent implementations.
|
|
"""
|
|
#mix-in object should be have sg_agent
|
|
sg_agent = None
|
|
|
|
def security_groups_rule_updated(self, context, **kwargs):
|
|
""" callback for security group rule update
|
|
|
|
:param security_groups: list of updated security_groups
|
|
"""
|
|
security_groups = kwargs.get('security_groups', [])
|
|
LOG.debug(
|
|
_("Security group rule updated on remote: %s"), security_groups)
|
|
self.sg_agent.security_groups_rule_updated(security_groups)
|
|
|
|
def security_groups_member_updated(self, context, **kwargs):
|
|
""" callback for security group member update
|
|
|
|
:param security_groups: list of updated security_groups
|
|
"""
|
|
security_groups = kwargs.get('security_groups', [])
|
|
LOG.debug(
|
|
_("Security group member updated on remote: %s"), security_groups)
|
|
self.sg_agent.security_groups_member_updated(security_groups)
|
|
|
|
def security_groups_provider_updated(self, context, **kwargs):
|
|
""" callback for security group provider update
|
|
|
|
"""
|
|
LOG.debug(_("Provider rule updated"))
|
|
self.sg_agent.security_groups_provider_updated()
|
|
|
|
|
|
class SecurityGroupAgentRpcMixin(object):
|
|
"""A mix-in that enable SecurityGroup agent
|
|
support in agent implementations.
|
|
"""
|
|
|
|
def init_firewall(self):
|
|
firewall_driver = cfg.CONF.SECURITYGROUP.firewall_driver
|
|
LOG.debug(_("Init firewall settings (driver=%s)"), firewall_driver)
|
|
self.firewall = importutils.import_object(firewall_driver)
|
|
|
|
def prepare_devices_filter(self, device_ids):
|
|
if not device_ids:
|
|
return
|
|
LOG.info(_("Preparing filters for devices %s"), device_ids)
|
|
devices = self.plugin_rpc.security_group_rules_for_devices(
|
|
self.context, list(device_ids))
|
|
with self.firewall.defer_apply():
|
|
for device in devices.values():
|
|
self.firewall.prepare_port_filter(device)
|
|
|
|
def security_groups_rule_updated(self, security_groups):
|
|
LOG.info(_("Security group "
|
|
"rule updated %r"), security_groups)
|
|
self._security_group_updated(
|
|
security_groups,
|
|
'security_groups')
|
|
|
|
def security_groups_member_updated(self, security_groups):
|
|
LOG.info(_("Security group "
|
|
"member updated %r"), security_groups)
|
|
self._security_group_updated(
|
|
security_groups,
|
|
'security_group_source_groups')
|
|
|
|
def _security_group_updated(self, security_groups, attribute):
|
|
#check need update or not
|
|
for device in self.firewall.ports.values():
|
|
if set(device.get(attribute,
|
|
[])).intersection(
|
|
set(security_groups)):
|
|
self.refresh_firewall()
|
|
return
|
|
|
|
def security_groups_provider_updated(self):
|
|
LOG.info(_("Provider rule updated"))
|
|
self.refresh_firewall()
|
|
|
|
def remove_devices_filter(self, device_ids):
|
|
if not device_ids:
|
|
return
|
|
LOG.info(_("Remove device filter for %r"), device_ids)
|
|
with self.firewall.defer_apply():
|
|
for device_id in device_ids:
|
|
device = self.firewall.ports.get(device_id)
|
|
if not device:
|
|
continue
|
|
self.firewall.remove_port_filter(device)
|
|
|
|
def refresh_firewall(self):
|
|
LOG.info(_("Refresh firewall rules"))
|
|
device_ids = self.firewall.ports.keys()
|
|
if not device_ids:
|
|
return
|
|
devices = self.plugin_rpc.security_group_rules_for_devices(
|
|
self.context, device_ids)
|
|
with self.firewall.defer_apply():
|
|
for device in devices.values():
|
|
LOG.debug(_("Update port filter for %s"), device)
|
|
self.firewall.update_port_filter(device)
|
|
|
|
|
|
class SecurityGroupAgentRpcApiMixin(object):
|
|
|
|
def _get_security_group_topic(self):
|
|
return topics.get_topic_name(self.topic,
|
|
topics.SECURITY_GROUP,
|
|
topics.UPDATE)
|
|
|
|
def security_groups_rule_updated(self, context, security_groups):
|
|
""" notify rule updated security groups """
|
|
if not security_groups:
|
|
return
|
|
self.fanout_cast(context,
|
|
self.make_msg('security_groups_rule_updated',
|
|
security_groups=security_groups),
|
|
version=SG_RPC_VERSION,
|
|
topic=self._get_security_group_topic())
|
|
|
|
def security_groups_member_updated(self, context, security_groups):
|
|
""" notify member updated security groups """
|
|
if not security_groups:
|
|
return
|
|
self.fanout_cast(context,
|
|
self.make_msg('security_groups_member_updated',
|
|
security_groups=security_groups),
|
|
version=SG_RPC_VERSION,
|
|
topic=self._get_security_group_topic())
|
|
|
|
def security_groups_provider_updated(self, context):
|
|
""" notify provider updated security groups """
|
|
self.fanout_cast(context,
|
|
self.make_msg('security_groups_provider_updated'),
|
|
version=SG_RPC_VERSION,
|
|
topic=self._get_security_group_topic())
|