author | Girish Moodalbail <Girish.Moodalbail@oracle.COM> |
Fri, 12 Sep 2014 16:45:03 -0700 | |
changeset 2083 | 87196737f09f |
parent 1987 | 6fa18b7a0af6 |
child 2174 | 2856bd2e4b18 |
permissions | -rw-r--r-- |
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# vim: tabstop=4 shiftwidth=4 softtabstop=4 |
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# Copyright 2012 Nicira Networks, Inc. All rights reserved. |
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# |
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# Copyright (c) 2014, Oracle and/or its affiliates. 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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# @author: Dan Wendlandt, Nicira, Inc |
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# @author: Girish Moodalbail, Oracle, Inc. |
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# |
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""" |
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Based off generic l3_agent (neutron/agent/l3_agent) code |
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""" |
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import netaddr |
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from oslo.config import cfg |
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from neutron.agent import l3_agent |
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from neutron.agent.linux import utils |
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from neutron.agent.solaris import interface |
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from neutron.agent.solaris import ipfilters_manager |
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from neutron.agent.solaris import net_lib |
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from neutron.common import constants as l3_constants |
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from neutron.openstack.common import log as logging |
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LOG = logging.getLogger(__name__) |
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INTERNAL_DEV_PREFIX = 'l3i' |
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EXTERNAL_DEV_PREFIX = 'l3e' |
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FLOATING_IP_CIDR_SUFFIX = '/32' |
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class RouterInfo(object): |
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def __init__(self, router_id, root_helper, use_namespaces, router): |
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self.router_id = router_id |
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self.ex_gw_port = None |
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self._snat_enabled = None |
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self._snat_action = None |
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self.internal_ports = [] |
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# We do not need either root_helper or namespace, so set them to None |
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self.root_helper = None |
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self.use_namespaces = None |
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# Invoke the setter for establishing initial SNAT action |
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self.router = router |
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self.ipfilters_manager = ipfilters_manager.IPfiltersManager() |
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self.routes = [] |
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@property |
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def router(self): |
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return self._router |
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@router.setter |
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def router(self, value): |
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self._router = value |
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if not self._router: |
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return |
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# enable_snat by default if it wasn't specified by plugin |
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self._snat_enabled = self._router.get('enable_snat', True) |
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# Set a SNAT action for the router |
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if self._router.get('gw_port'): |
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self._snat_action = ('add_rules' if self._snat_enabled |
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else 'remove_rules') |
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elif self.ex_gw_port: |
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# Gateway port was removed, remove rules |
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self._snat_action = 'remove_rules' |
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def ns_name(self): |
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pass |
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def perform_snat_action(self, snat_callback, *args): |
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# Process SNAT rules for attached subnets |
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if self._snat_action: |
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snat_callback(self, self._router.get('gw_port'), |
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*args, action=self._snat_action) |
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self._snat_action = None |
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class EVSL3NATAgent(l3_agent.L3NATAgent): |
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RouterInfo = RouterInfo |
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OPTS = [ |
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cfg.StrOpt('external_network_datalink', default='net0', |
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help=_("Name of the datalink that connects to " |
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"an external network.")), |
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cfg.BoolOpt('allow_forwarding_between_networks', default=False, |
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help=_("Allow forwarding of packets between tenant's " |
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"networks")), |
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] |
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def __init__(self, host, conf=None): |
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cfg.CONF.register_opts(self.OPTS) |
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cfg.CONF.register_opts(interface.OPTS) |
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super(EVSL3NATAgent, self).__init__(host=host, conf=conf) |
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def _router_added(self, router_id, router): |
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ri = RouterInfo(router_id, self.root_helper, |
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|
112 |
self.conf.use_namespaces, router) |
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113 |
self.router_info[router_id] = ri |
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|
114 |
|
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|
115 |
def _router_removed(self, router_id): |
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116 |
ri = self.router_info[router_id] |
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117 |
ri.router['gw_port'] = None |
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118 |
ri.router[l3_constants.INTERFACE_KEY] = [] |
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119 |
ri.router[l3_constants.FLOATINGIP_KEY] = [] |
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120 |
self.process_router(ri) |
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121 |
del self.router_info[router_id] |
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122 |
|
1944
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123 |
def process_router(self, ri): |
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124 |
ex_gw_port = self._get_ex_gw_port(ri) |
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125 |
internal_ports = ri.router.get(l3_constants.INTERFACE_KEY, []) |
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126 |
existing_port_ids = set([p['id'] for p in ri.internal_ports]) |
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127 |
current_port_ids = set([p['id'] for p in internal_ports |
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128 |
if p['admin_state_up']]) |
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129 |
new_ports = [p for p in internal_ports if |
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130 |
p['id'] in current_port_ids and |
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131 |
p['id'] not in existing_port_ids] |
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132 |
old_ports = [p for p in ri.internal_ports if |
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133 |
p['id'] not in current_port_ids] |
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134 |
for p in new_ports: |
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135 |
self._set_subnet_info(p) |
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136 |
ri.internal_ports.append(p) |
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137 |
self.internal_network_added(ri, p) |
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138 |
|
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139 |
for p in old_ports: |
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140 |
ri.internal_ports.remove(p) |
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141 |
self.internal_network_removed(ri, p) |
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|
142 |
|
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143 |
internal_cidrs = [p['ip_cidr'] for p in ri.internal_ports] |
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144 |
# TODO(salv-orlando): RouterInfo would be a better place for |
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145 |
# this logic too |
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146 |
ex_gw_port_id = (ex_gw_port and ex_gw_port['id'] or |
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147 |
ri.ex_gw_port and ri.ex_gw_port['id']) |
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148 |
|
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149 |
interface_name = None |
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150 |
if ex_gw_port_id: |
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151 |
interface_name = self.get_external_device_name(ex_gw_port_id) |
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152 |
if ex_gw_port and not ri.ex_gw_port: |
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153 |
self._set_subnet_info(ex_gw_port) |
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154 |
self.external_gateway_added(ri, ex_gw_port, |
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155 |
interface_name, internal_cidrs) |
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156 |
elif not ex_gw_port and ri.ex_gw_port: |
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157 |
self.external_gateway_removed(ri, ri.ex_gw_port, |
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158 |
interface_name, internal_cidrs) |
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|
159 |
|
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|
160 |
# We don't need this since our IPnat rules are bi-directional |
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|
161 |
# Process SNAT rules for external gateway |
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162 |
# ri.perform_snat_action(self._handle_router_snat_rules, |
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163 |
# internal_cidrs, interface_name) |
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|
164 |
|
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|
165 |
# Process DNAT rules for floating IPs |
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|
166 |
if ex_gw_port: |
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167 |
self.process_router_floating_ips(ri, ex_gw_port) |
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|
168 |
|
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|
169 |
ri.ex_gw_port = ex_gw_port |
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170 |
ri.enable_snat = ri.router.get('enable_snat') |
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|
171 |
self.routes_updated(ri) |
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|
172 |
|
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|
173 |
def process_router_floating_ips(self, ri, ex_gw_port): |
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|
174 |
"""Configure the router's floating IPs |
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|
175 |
Configures floating ips using ipnat(1m) on the router's gateway device. |
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|
176 |
|
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|
177 |
Cleans up floating ips that should not longer be configured. |
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|
178 |
""" |
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|
179 |
ifname = self.get_external_device_name(ex_gw_port['id']) |
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|
180 |
ipintf = net_lib.IPInterface(ifname) |
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|
181 |
ipaddr_list = ipintf.ipaddr_list()['static'] |
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|
182 |
|
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|
183 |
existing_cidrs = set([addr for addr in ipaddr_list]) |
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|
184 |
new_cidrs = set() |
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|
185 |
|
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1977
diff
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|
186 |
existing_nat_rules = [nat_rule for nat_rule in |
6fa18b7a0af6
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diff
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|
187 |
ri.ipfilters_manager.ipv4['nat']] |
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diff
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|
188 |
new_nat_rules = [] |
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1977
diff
changeset
|
189 |
|
1944
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|
190 |
# Loop once to ensure that floating ips are configured. |
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|
191 |
for fip in ri.router.get(l3_constants.FLOATINGIP_KEY, []): |
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|
192 |
fip_ip = fip['floating_ip_address'] |
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|
193 |
fip_cidr = str(fip_ip) + FLOATING_IP_CIDR_SUFFIX |
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|
194 |
new_cidrs.add(fip_cidr) |
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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diff
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|
195 |
fixed_cidr = str(fip['fixed_ip_address']) + '/32' |
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|
196 |
nat_rule = 'bimap %s %s -> %s' % (ifname, fixed_cidr, fip_cidr) |
1944
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|
197 |
|
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|
198 |
if fip_cidr not in existing_cidrs: |
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|
199 |
ipintf.create_address(fip_cidr) |
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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diff
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|
200 |
ri.ipfilters_manager.add_nat_rules([nat_rule]) |
6fa18b7a0af6
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diff
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|
201 |
new_nat_rules.append(nat_rule) |
1944
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|
202 |
|
1987
6fa18b7a0af6
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parents:
1977
diff
changeset
|
203 |
# remove all the old NAT rules |
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1977
diff
changeset
|
204 |
ri.ipfilters_manager.remove_nat_rules(list(set(existing_nat_rules) - |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1977
diff
changeset
|
205 |
set(new_nat_rules))) |
1944
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|
206 |
|
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|
207 |
# Clean up addresses that no longer belong on the gateway interface. |
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|
208 |
for ip_cidr in existing_cidrs - new_cidrs: |
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|
209 |
if ip_cidr.endswith(FLOATING_IP_CIDR_SUFFIX): |
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|
210 |
ipintf.delete_address(ip_cidr) |
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|
211 |
|
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|
212 |
def get_internal_device_name(self, port_id): |
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|
213 |
# Because of the way how dnsmasq works on Solaris, the length |
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|
214 |
# of datalink name cannot exceed 16 (includes terminating nul |
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# character). So, the linkname can only have 15 characters and |
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# the last two characters are set aside for '_0'. So, we only |
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# have 13 characters left. |
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dname = (INTERNAL_DEV_PREFIX + port_id)[:13] |
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dname += '_0' |
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return dname.replace('-', '_') |
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221 |
|
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222 |
def get_external_device_name(self, port_id): |
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# please see the comment above |
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dname = (EXTERNAL_DEV_PREFIX + port_id)[:13] |
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dname += '_0' |
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return dname.replace('-', '_') |
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227 |
|
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def external_gateway_added(self, ri, ex_gw_port, |
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external_dlname, internal_cidrs): |
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230 |
|
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231 |
if not net_lib.Datalink.datalink_exists(external_dlname): |
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dl = net_lib.Datalink(external_dlname) |
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# need to determine the VLAN ID for the VNIC |
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evsname = ex_gw_port['network_id'] |
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tenantname = ex_gw_port['tenant_id'] |
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cmd = ['/usr/sbin/evsadm', 'show-evs', '-co', 'vid', |
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'-f', 'tenant=%s' % tenantname, evsname] |
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238 |
try: |
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stdout = utils.execute(cmd) |
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240 |
except Exception as err: |
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LOG.error(_("Failed to retrieve the VLAN ID associated " |
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242 |
"with the external network, and it is required " |
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243 |
"to create external gateway port: %s") % err) |
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244 |
return |
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245 |
vid = stdout.splitlines()[0].strip() |
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246 |
if vid == "": |
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247 |
LOG.error(_("External Network does not have a VLAN ID " |
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248 |
"associated with it, and it is required to " |
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249 |
"create external gateway port")) |
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250 |
return |
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251 |
mac_address = ex_gw_port['mac_address'] |
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252 |
dl.create_vnic(self.conf.external_network_datalink, |
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253 |
mac_address=mac_address, vid=vid) |
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254 |
self.driver.init_l3(external_dlname, [ex_gw_port['ip_cidr']]) |
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255 |
|
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256 |
# TODO(gmoodalb): wrap route(1m) command within a class in net_lib.py |
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257 |
gw_ip = ex_gw_port['subnet']['gateway_ip'] |
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258 |
if gw_ip: |
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259 |
cmd = ['/usr/bin/pfexec', '/usr/sbin/route', 'add', 'default', |
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260 |
gw_ip] |
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261 |
utils.execute(cmd, check_exit_code=False) |
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262 |
|
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|
263 |
# for each of the internal ports, add Policy Based |
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|
264 |
# Routing (PBR) rule |
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|
265 |
for port in ri.internal_ports: |
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|
266 |
internal_dlname = self.get_internal_device_name(port['id']) |
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|
267 |
rules = ['pass in on %s to %s:%s from any to any' % |
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|
268 |
(internal_dlname, external_dlname, gw_ip)] |
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|
269 |
ipversion = netaddr.IPNetwork(port['subnet']['cidr']).version |
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|
270 |
ri.ipfilters_manager.add_ipf_rules(rules, ipversion) |
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|
271 |
|
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272 |
def external_gateway_removed(self, ri, ex_gw_port, |
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273 |
external_dlname, internal_cidrs): |
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|
274 |
|
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275 |
gw_ip = ex_gw_port['subnet']['gateway_ip'] |
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276 |
if gw_ip: |
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|
277 |
# remove PBR rules |
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|
278 |
for port in ri.internal_ports: |
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|
279 |
internal_dlname = self.get_internal_device_name(port['id']) |
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|
280 |
rules = ['pass in on %s to %s:%s from any to any' % |
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|
281 |
(internal_dlname, external_dlname, gw_ip)] |
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|
282 |
ipversion = netaddr.IPNetwork(port['subnet']['cidr']).version |
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|
283 |
ri.ipfilters_manager.remove_ipf_rules(rules, ipversion) |
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|
284 |
|
1944
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|
285 |
cmd = ['/usr/bin/pfexec', '/usr/sbin/route', 'delete', 'default', |
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|
286 |
gw_ip] |
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|
287 |
utils.execute(cmd, check_exit_code=False) |
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288 |
|
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|
289 |
if net_lib.Datalink.datalink_exists(external_dlname): |
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|
290 |
self.driver.fini_l3(external_dlname) |
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|
291 |
self.driver.unplug(external_dlname) |
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|
292 |
|
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|
293 |
def _get_ippool_name(self, mac_address, suffix=None): |
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|
294 |
# Generate a unique-name for ippool(1m) from that last 3 |
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|
295 |
# bytes of mac-address. It is called pool name, but it is |
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|
296 |
# actually a 32 bit integer |
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|
297 |
name = mac_address.split(':')[3:] |
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|
298 |
if suffix: |
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|
299 |
name.append(suffix) |
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|
300 |
return int("".join(name), 16) |
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301 |
|
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|
302 |
def internal_network_added(self, ri, port): |
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303 |
internal_dlname = self.get_internal_device_name(port['id']) |
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diff
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|
304 |
# driver just returns if datalink and IP interface already exists |
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diff
changeset
|
305 |
self.driver.plug(port['tenant_id'], port['network_id'], port['id'], |
87196737f09f
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diff
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|
306 |
internal_dlname) |
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|
307 |
self.driver.init_l3(internal_dlname, [port['ip_cidr']]) |
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|
308 |
|
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parents:
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diff
changeset
|
309 |
# Since we support shared router model, we need to block the new |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
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parents:
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diff
changeset
|
310 |
# internal port from reaching other tenant's ports |
87196737f09f
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parents:
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diff
changeset
|
311 |
block_pname = self._get_ippool_name(port['mac_address']) |
87196737f09f
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parents:
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diff
changeset
|
312 |
ri.ipfilters_manager.add_ippool(block_pname, None) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
313 |
if self.conf.allow_forwarding_between_networks: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
314 |
# If allow_forwarding_between_networks is set, then we need to |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
315 |
# allow forwarding of packets between same tenant's ports. |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
316 |
allow_pname = self._get_ippool_name(port['mac_address'], '0') |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
317 |
ri.ipfilters_manager.add_ippool(allow_pname, None) |
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diff
changeset
|
318 |
|
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diff
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|
319 |
# walk through the other internal ports and retrieve their |
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diff
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|
320 |
# cidrs and at the same time add the new internal port's |
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parents:
diff
changeset
|
321 |
# cidr to them |
2083
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parents:
1987
diff
changeset
|
322 |
port_subnet = port['subnet']['cidr'] |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
323 |
block_subnets = [] |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
324 |
allow_subnets = [] |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
325 |
for internal_port in ri.internal_ports: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
326 |
if internal_port['mac_address'] == port['mac_address']: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
327 |
continue |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
328 |
if (self.conf.allow_forwarding_between_networks and |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
329 |
internal_port['tenant_id'] == port['tenant_id']): |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
330 |
allow_subnets.append(internal_port['subnet']['cidr']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
331 |
# we need to add the port's subnet to this internal_port's |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
332 |
# allowed_subnet_pool |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
333 |
iport_allow_pname = \ |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
334 |
self._get_ippool_name(internal_port['mac_address'], '0') |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
335 |
ri.ipfilters_manager.add_ippool(iport_allow_pname, |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
336 |
[port_subnet]) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
337 |
else: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
338 |
block_subnets.append(internal_port['subnet']['cidr']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
339 |
iport_block_pname = \ |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
340 |
self._get_ippool_name(internal_port['mac_address']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
341 |
ri.ipfilters_manager.add_ippool(iport_block_pname, |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
342 |
[port_subnet]) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
343 |
# update the new port's pool with other ports' subnet |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
344 |
ri.ipfilters_manager.add_ippool(block_pname, block_subnets) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
345 |
if self.conf.allow_forwarding_between_networks: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
346 |
ri.ipfilters_manager.add_ippool(allow_pname, allow_subnets) |
1760
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parents:
diff
changeset
|
347 |
|
2083
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
348 |
# now setup the IPF rules |
1760
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parents:
diff
changeset
|
349 |
rules = ['block in quick on %s from %s to pool/%d' % |
2083
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
350 |
(internal_dlname, port_subnet, block_pname)] |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
351 |
# pass in packets between networks that belong to same tenant |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
352 |
if self.conf.allow_forwarding_between_networks: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
353 |
rules.append('pass in quick on %s from %s to pool/%d' % |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
354 |
(internal_dlname, port_subnet, allow_pname)) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
355 |
# if the external gateway is already setup for the shared router, |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
356 |
# then we need to add Policy Based Routing (PBR) for this internal |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
357 |
# network |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
358 |
ex_gw_port = ri.ex_gw_port |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
359 |
ex_gw_ip = (ex_gw_port['subnet']['gateway_ip'] if ex_gw_port else None) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
360 |
if ex_gw_ip: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
361 |
external_dlname = self.get_external_device_name(ex_gw_port['id']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
362 |
rules.append('pass in on %s to %s:%s from any to any' % |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
363 |
(internal_dlname, external_dlname, ex_gw_ip)) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
364 |
|
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
365 |
ipversion = netaddr.IPNetwork(port_subnet).version |
1977
12e9c20eef5a
19034270 IPv6 filter rules are not properly handled
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1959
diff
changeset
|
366 |
ri.ipfilters_manager.add_ipf_rules(rules, ipversion) |
1760
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Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
367 |
|
1944
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
368 |
def internal_network_removed(self, ri, port): |
1760
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Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
369 |
internal_dlname = self.get_internal_device_name(port['id']) |
2083
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
370 |
port_subnet = port['subnet']['cidr'] |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
371 |
# remove all the IP filter rules that we added during |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
372 |
# internal network addition |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
373 |
block_pname = self._get_ippool_name(port['mac_address']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
374 |
rules = ['block in quick on %s from %s to pool/%d' % |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
375 |
(internal_dlname, port_subnet, block_pname)] |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
376 |
if self.conf.allow_forwarding_between_networks: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
377 |
allow_pname = self._get_ippool_name(port['mac_address'], '0') |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
378 |
rules.append('pass in quick on %s from %s to pool/%d' % |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
379 |
(internal_dlname, port_subnet, allow_pname)) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
380 |
|
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
381 |
# remove all the IP filter rules that we added during |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
382 |
# external network addition |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
383 |
ex_gw_port = ri.ex_gw_port |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
384 |
ex_gw_ip = (ex_gw_port['subnet']['gateway_ip'] if ex_gw_port else None) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
385 |
if ex_gw_ip: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
386 |
external_dlname = self.get_external_device_name(ex_gw_port['id']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
387 |
rules.append('pass in on %s to %s:%s from any to any' % |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
388 |
(internal_dlname, external_dlname, ex_gw_ip)) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
389 |
ipversion = netaddr.IPNetwork(port['subnet']['cidr']).version |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
390 |
ri.ipfilters_manager.remove_ipf_rules(rules, ipversion) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
391 |
|
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
392 |
# remove the ippool |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
393 |
ri.ipfilters_manager.remove_ippool(block_pname, None) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
394 |
if self.conf.allow_forwarding_between_networks: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
395 |
ri.ipfilters_manager.remove_ippool(allow_pname, None) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
396 |
|
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
397 |
for internal_port in ri.internal_ports: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
398 |
if (self.conf.allow_forwarding_between_networks and |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
399 |
internal_port['tenant_id'] == port['tenant_id']): |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
400 |
iport_allow_pname = \ |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
401 |
self._get_ippool_name(internal_port['mac_address'], '0') |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
402 |
ri.ipfilters_manager.remove_ippool(iport_allow_pname, |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
403 |
[port_subnet]) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
404 |
else: |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
405 |
iport_block_pname = \ |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
406 |
self._get_ippool_name(internal_port['mac_address']) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
407 |
ri.ipfilters_manager.remove_ippool(iport_block_pname, |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
408 |
[port_subnet]) |
87196737f09f
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
1987
diff
changeset
|
409 |
|
1760
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
410 |
if net_lib.Datalink.datalink_exists(internal_dlname): |
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
411 |
self.driver.fini_l3(internal_dlname) |
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
412 |
self.driver.unplug(internal_dlname) |
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
413 |
|
1944
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
414 |
def routers_updated(self, context, routers): |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
415 |
super(EVSL3NATAgent, self).routers_updated(context, routers) |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
416 |
if routers: |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
417 |
# If router's interface was removed, then the VNIC associated |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
418 |
# with that interface must be deleted immediately. The EVS |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
419 |
# plugin can delete the virtual port iff the VNIC associated |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
420 |
# with that virtual port is deleted first. |
56ac2df1785b
PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents:
1760
diff
changeset
|
421 |
self._rpc_loop() |
1760
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
422 |
|
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
423 |
def routes_updated(self, ri): |
353323c7bdc1
PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff
changeset
|
424 |
pass |