2d8e56ba64
When Noop Firewall driver is used, Quantum security group actually does nothing in OVS and Linux Bridge plugin. It would be better to disable security group extension for such case to avoid confusion. By this we can determine whether quantum security group is enabled by checking the extension list. This commit changes OVS/LB/NEC/Ryu plugins with agent firewall_driver based security group implementation. Fixes bug #1124117 Change-Id: I2182289c1e27987b686f1adb7d6e2ad4e154caa2
200 lines
7.4 KiB
Python
200 lines
7.4 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2012, Nachi Ueno, NTT MCL, 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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#
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from oslo.config import cfg
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from quantum.common import topics
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from quantum.openstack.common import importutils
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from quantum.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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SG_RPC_VERSION = "1.1"
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security_group_opts = [
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cfg.StrOpt(
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'firewall_driver',
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default='quantum.agent.firewall.NoopFirewallDriver')
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]
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cfg.CONF.register_opts(security_group_opts, 'SECURITYGROUP')
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def is_firewall_enabled():
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return (cfg.CONF.SECURITYGROUP.firewall_driver !=
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'quantum.agent.firewall.NoopFirewallDriver')
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def disable_security_group_extension_if_noop_driver(
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supported_extension_aliases):
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if not is_firewall_enabled():
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LOG.debug(_('Disabled security-group extension.'))
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supported_extension_aliases.remove('security-group')
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class SecurityGroupServerRpcApiMixin(object):
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"""A mix-in that enable SecurityGroup support in plugin rpc
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"""
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def security_group_rules_for_devices(self, context, devices):
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LOG.debug(_("Get security group rules "
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"for devices via rpc %r"), devices)
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return self.call(context,
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self.make_msg('security_group_rules_for_devices',
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devices=devices),
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version=SG_RPC_VERSION,
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topic=self.topic)
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class SecurityGroupAgentRpcCallbackMixin(object):
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"""A mix-in that enable SecurityGroup agent
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support in agent implementations.
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"""
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#mix-in object should be have sg_agent
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sg_agent = None
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def security_groups_rule_updated(self, context, **kwargs):
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""" callback for security group rule update
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:param security_groups: list of updated security_groups
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"""
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security_groups = kwargs.get('security_groups', [])
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LOG.debug(
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_("Security group rule updated on remote: %s"), security_groups)
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self.sg_agent.security_groups_rule_updated(security_groups)
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def security_groups_member_updated(self, context, **kwargs):
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""" callback for security group member update
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:param security_groups: list of updated security_groups
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"""
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security_groups = kwargs.get('security_groups', [])
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LOG.debug(
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_("Security group member updated on remote: %s"), security_groups)
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self.sg_agent.security_groups_member_updated(security_groups)
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def security_groups_provider_updated(self, context, **kwargs):
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""" callback for security group provider update
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"""
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LOG.debug(_("Provider rule updated"))
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self.sg_agent.security_groups_provider_updated()
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class SecurityGroupAgentRpcMixin(object):
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"""A mix-in that enable SecurityGroup agent
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support in agent implementations.
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"""
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def init_firewall(self):
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firewall_driver = cfg.CONF.SECURITYGROUP.firewall_driver
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LOG.debug(_("Init firewall settings (driver=%s)"), firewall_driver)
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self.firewall = importutils.import_object(firewall_driver)
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def prepare_devices_filter(self, device_ids):
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if not device_ids:
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return
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LOG.info(_("Preparing filters for devices %s"), device_ids)
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devices = self.plugin_rpc.security_group_rules_for_devices(
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self.context, list(device_ids))
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with self.firewall.defer_apply():
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for device in devices.values():
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self.firewall.prepare_port_filter(device)
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def security_groups_rule_updated(self, security_groups):
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LOG.info(_("Security group "
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"rule updated %r"), security_groups)
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self._security_group_updated(
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security_groups,
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'security_groups')
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def security_groups_member_updated(self, security_groups):
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LOG.info(_("Security group "
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"member updated %r"), security_groups)
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self._security_group_updated(
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security_groups,
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'security_group_source_groups')
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def _security_group_updated(self, security_groups, attribute):
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#check need update or not
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for device in self.firewall.ports.values():
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if set(device.get(attribute,
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[])).intersection(
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set(security_groups)):
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self.refresh_firewall()
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return
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def security_groups_provider_updated(self):
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LOG.info(_("Provider rule updated"))
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self.refresh_firewall()
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def remove_devices_filter(self, device_ids):
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if not device_ids:
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return
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LOG.info(_("Remove device filter for %r"), device_ids)
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with self.firewall.defer_apply():
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for device_id in device_ids:
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device = self.firewall.ports.get(device_id)
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if not device:
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continue
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self.firewall.remove_port_filter(device)
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def refresh_firewall(self):
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LOG.info(_("Refresh firewall rules"))
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device_ids = self.firewall.ports.keys()
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if not device_ids:
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return
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devices = self.plugin_rpc.security_group_rules_for_devices(
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self.context, device_ids)
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with self.firewall.defer_apply():
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for device in devices.values():
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LOG.debug(_("Update port filter for %s"), device)
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self.firewall.update_port_filter(device)
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class SecurityGroupAgentRpcApiMixin(object):
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def _get_security_group_topic(self):
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return topics.get_topic_name(self.topic,
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topics.SECURITY_GROUP,
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topics.UPDATE)
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def security_groups_rule_updated(self, context, security_groups):
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""" notify rule updated security groups """
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if not security_groups:
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return
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self.fanout_cast(context,
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self.make_msg('security_groups_rule_updated',
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security_groups=security_groups),
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version=SG_RPC_VERSION,
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topic=self._get_security_group_topic())
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def security_groups_member_updated(self, context, security_groups):
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""" notify member updated security groups """
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if not security_groups:
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return
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self.fanout_cast(context,
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self.make_msg('security_groups_member_updated',
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security_groups=security_groups),
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version=SG_RPC_VERSION,
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topic=self._get_security_group_topic())
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def security_groups_provider_updated(self, context):
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""" notify provider updated security groups """
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self.fanout_cast(context,
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self.make_msg('security_groups_provider_updated'),
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version=SG_RPC_VERSION,
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topic=self._get_security_group_topic())
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