Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 16 | package org.onosproject.openstacknetworking.impl; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 17 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 18 | import com.google.common.base.Strings; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 19 | import com.google.common.collect.ImmutableSet; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 20 | import com.google.common.collect.Sets; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 21 | import org.apache.felix.scr.annotations.Activate; |
| 22 | import org.apache.felix.scr.annotations.Component; |
| 23 | import org.apache.felix.scr.annotations.Deactivate; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 24 | import org.apache.felix.scr.annotations.Modified; |
| 25 | import org.apache.felix.scr.annotations.Property; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 26 | import org.apache.felix.scr.annotations.Reference; |
| 27 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 28 | import org.onlab.packet.ARP; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 29 | import org.onlab.packet.EthType; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 30 | import org.onlab.packet.Ethernet; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 31 | import org.onlab.packet.Ip4Address; |
| 32 | import org.onlab.packet.IpAddress; |
| 33 | import org.onlab.packet.MacAddress; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 34 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 35 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 36 | import org.onosproject.cluster.ClusterService; |
| 37 | import org.onosproject.cluster.LeadershipService; |
| 38 | import org.onosproject.cluster.NodeId; |
| 39 | import org.onosproject.core.ApplicationId; |
| 40 | import org.onosproject.core.CoreService; |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 41 | import org.onosproject.net.ConnectPoint; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 42 | import org.onosproject.net.DeviceId; |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 43 | import org.onosproject.net.PortNumber; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 44 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 45 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 46 | import org.onosproject.net.flow.TrafficSelector; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 47 | import org.onosproject.net.flow.TrafficTreatment; |
| 48 | import org.onosproject.net.packet.DefaultOutboundPacket; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 49 | import org.onosproject.net.packet.InboundPacket; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 50 | import org.onosproject.net.packet.PacketContext; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 51 | import org.onosproject.net.packet.PacketProcessor; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 52 | import org.onosproject.net.packet.PacketService; |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 53 | import org.onosproject.openstacknetworking.api.Constants; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 54 | import org.onosproject.openstacknetworking.api.InstancePort; |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 55 | import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| 56 | import org.onosproject.openstacknetworking.api.InstancePortListener; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 57 | import org.onosproject.openstacknetworking.api.InstancePortService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 58 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 59 | import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 60 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 61 | import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| 62 | import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 63 | import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 64 | import org.onosproject.openstacknode.api.OpenstackNode; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 65 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 66 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 67 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 68 | import org.openstack4j.model.network.ExternalGateway; |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 69 | import org.openstack4j.model.network.IP; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 70 | import org.openstack4j.model.network.NetFloatingIP; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 71 | import org.openstack4j.model.network.Router; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 72 | import org.osgi.service.component.ComponentContext; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 73 | import org.slf4j.Logger; |
| 74 | |
| 75 | import java.nio.ByteBuffer; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 76 | import java.util.Objects; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 77 | import java.util.Set; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 78 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 79 | import java.util.stream.Collectors; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 80 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 81 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 82 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 83 | import static org.onosproject.openstacknetworking.api.Constants.ARP_BROADCAST_MODE; |
| 84 | import static org.onosproject.openstacknetworking.api.Constants.ARP_PROXY_MODE; |
| 85 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_ARP_MODE_STR; |
| 86 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_GATEWAY_MAC_STR; |
| 87 | import static org.onosproject.openstacknetworking.api.Constants.GW_COMMON_TABLE; |
| 88 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 89 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_CONTROL_RULE; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 90 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 91 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.associatedFloatingIp; |
| 92 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByComputeDevId; |
Jian Li | a171a43 | 2018-06-11 11:52:11 +0900 | [diff] [blame] | 93 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByInstancePort; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 94 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValue; |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 95 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.isAssociatedWithVM; |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 96 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 97 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 98 | import static org.slf4j.LoggerFactory.getLogger; |
| 99 | |
| 100 | /** |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 101 | * Handle ARP requests from gateway nodes. |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 102 | */ |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 103 | @Component(immediate = true) |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 104 | public class OpenstackRoutingArpHandler { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 105 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 106 | private final Logger log = getLogger(getClass()); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 107 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 108 | private static final String DEVICE_OWNER_ROUTER_GW = "network:router_gateway"; |
| 109 | private static final String DEVICE_OWNER_FLOATING_IP = "network:floatingip"; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 110 | private static final String ARP_MODE = "arpMode"; |
| 111 | |
| 112 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 113 | protected CoreService coreService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 114 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 115 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 116 | protected PacketService packetService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 117 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 118 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 119 | protected OpenstackNetworkAdminService osNetworkAdminService; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 120 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 121 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 122 | protected OpenstackRouterService osRouterService; |
| 123 | |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 124 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 125 | protected OpenstackNodeService osNodeService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 126 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 127 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 128 | protected InstancePortService instancePortService; |
| 129 | |
| 130 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 131 | protected ClusterService clusterService; |
| 132 | |
| 133 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 134 | protected LeadershipService leadershipService; |
| 135 | |
| 136 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 137 | protected OpenstackFlowRuleService osFlowRuleService; |
| 138 | |
| 139 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 140 | protected OpenstackNetworkService osNetworkService; |
| 141 | |
| 142 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | f3a28b0 | 2018-06-11 21:29:13 +0900 | [diff] [blame] | 143 | protected ComponentConfigService configService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 144 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 145 | @Property(name = ARP_MODE, value = DEFAULT_ARP_MODE_STR, |
Daniel Park | 6041f10 | 2018-07-06 18:49:45 +0900 | [diff] [blame] | 146 | label = "ARP processing mode, broadcast | proxy (default)") |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 147 | protected String arpMode = DEFAULT_ARP_MODE_STR; |
| 148 | |
| 149 | protected String gatewayMac = DEFAULT_GATEWAY_MAC_STR; |
| 150 | |
| 151 | private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 152 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 153 | private final InstancePortListener instPortListener = new InternalInstancePortListener(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 154 | |
| 155 | private ApplicationId appId; |
| 156 | private NodeId localNodeId; |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 157 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 158 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 159 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 160 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 161 | private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 162 | |
| 163 | @Activate |
| 164 | protected void activate() { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 165 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 166 | configService.registerProperties(getClass()); |
| 167 | localNodeId = clusterService.getLocalNode().id(); |
Jian Li | f3a28b0 | 2018-06-11 21:29:13 +0900 | [diff] [blame] | 168 | osRouterService.addListener(osRouterListener); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 169 | osNodeService.addListener(osNodeListener); |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 170 | instancePortService.addListener(instPortListener); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 171 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 172 | packetService.addProcessor(packetProcessor, PacketProcessor.director(1)); |
| 173 | log.info("Started"); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 174 | } |
| 175 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 176 | @Deactivate |
| 177 | protected void deactivate() { |
| 178 | packetService.removeProcessor(packetProcessor); |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 179 | instancePortService.removeListener(instPortListener); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 180 | osRouterService.removeListener(osRouterListener); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 181 | osNodeService.removeListener(osNodeListener); |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 182 | instancePortService.removeListener(instPortListener); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 183 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 184 | eventExecutor.shutdown(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 185 | configService.unregisterProperties(getClass(), false); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 186 | log.info("Stopped"); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 187 | } |
| 188 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 189 | @Modified |
| 190 | void modified(ComponentContext context) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 191 | log.info("Modified"); |
| 192 | } |
| 193 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 194 | private String getArpMode() { |
| 195 | Set<ConfigProperty> properties = configService.getProperties(this.getClass().getName()); |
| 196 | return getPropertyValue(properties, ARP_MODE); |
| 197 | } |
| 198 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 199 | private void processArpPacket(PacketContext context, Ethernet ethernet) { |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 200 | ARP arp = (ARP) ethernet.getPayload(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 201 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 202 | if (arp.getOpCode() == ARP.OP_REQUEST && ARP_PROXY_MODE.equals(getArpMode())) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 203 | if (log.isTraceEnabled()) { |
| 204 | log.trace("ARP request received from {} for {}", |
| 205 | Ip4Address.valueOf(arp.getSenderProtocolAddress()).toString(), |
| 206 | Ip4Address.valueOf(arp.getTargetProtocolAddress()).toString()); |
| 207 | } |
| 208 | |
| 209 | IpAddress targetIp = Ip4Address.valueOf(arp.getTargetProtocolAddress()); |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 210 | |
| 211 | MacAddress targetMac = null; |
| 212 | |
| 213 | NetFloatingIP floatingIP = osRouterService.floatingIps().stream() |
| 214 | .filter(ip -> ip.getFloatingIpAddress().equals(targetIp.toString())) |
| 215 | .findAny().orElse(null); |
| 216 | |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 217 | //In case target ip is for associated floating ip, sets target mac to vm's. |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 218 | if (floatingIP != null && floatingIP.getPortId() != null) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 219 | targetMac = MacAddress.valueOf(osNetworkAdminService.port( |
| 220 | floatingIP.getPortId()).getMacAddress()); |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 221 | } |
| 222 | |
| 223 | if (isExternalGatewaySourceIp(targetIp.getIp4Address())) { |
| 224 | targetMac = Constants.DEFAULT_GATEWAY_MAC; |
| 225 | } |
| 226 | |
| 227 | if (targetMac == null) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 228 | log.trace("Unknown target ARP request for {}, ignore it", targetIp); |
| 229 | return; |
| 230 | } |
| 231 | |
Jian Li | a171a43 | 2018-06-11 11:52:11 +0900 | [diff] [blame] | 232 | InstancePort instPort = instancePortService.instancePort(targetMac); |
| 233 | |
| 234 | OpenstackNode gw = getGwByInstancePort(osNodeService.completeNodes(GATEWAY), instPort); |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 235 | |
| 236 | if (gw == null) { |
| 237 | return; |
| 238 | } |
| 239 | |
| 240 | // if the ARP packet_in received from non-relevant GWs, we simply ignore it |
| 241 | if (!Objects.equals(gw.intgBridge(), context.inPacket().receivedFrom().deviceId())) { |
| 242 | return; |
| 243 | } |
| 244 | |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 245 | Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), |
| 246 | targetMac, ethernet); |
| 247 | |
| 248 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 249 | .setOutput(context.inPacket().receivedFrom().port()).build(); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 250 | |
| 251 | packetService.emit(new DefaultOutboundPacket( |
| 252 | context.inPacket().receivedFrom().deviceId(), |
| 253 | treatment, |
| 254 | ByteBuffer.wrap(ethReply.serialize()))); |
| 255 | |
| 256 | context.block(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 257 | } |
| 258 | |
| 259 | if (arp.getOpCode() == ARP.OP_REPLY) { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 260 | ConnectPoint cp = context.inPacket().receivedFrom(); |
| 261 | PortNumber receivedPortNum = cp.port(); |
| 262 | IpAddress spa = Ip4Address.valueOf(arp.getSenderProtocolAddress()); |
| 263 | MacAddress sha = MacAddress.valueOf(arp.getSenderHardwareAddress()); |
| 264 | |
| 265 | log.debug("ARP reply ip: {}, mac: {}", spa, sha); |
| 266 | |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 267 | try { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 268 | |
Jian Li | d4066ea | 2018-06-07 01:44:45 +0900 | [diff] [blame] | 269 | Set<String> extRouterIps = osNetworkService.externalPeerRouters(). |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 270 | stream().map(r -> r.ipAddress().toString()).collect(Collectors.toSet()); |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 271 | |
Jian Li | d4066ea | 2018-06-07 01:44:45 +0900 | [diff] [blame] | 272 | // if SPA is NOT contained in existing external router IP set, we ignore it |
| 273 | if (!extRouterIps.contains(spa.toString())) { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 274 | return; |
| 275 | } |
| 276 | |
| 277 | OpenstackNode node = osNodeService.node(cp.deviceId()); |
| 278 | |
| 279 | if (node == null) { |
| 280 | return; |
| 281 | } |
| 282 | |
| 283 | // we only handles the ARP-Reply message received by gateway node |
| 284 | if (node.type() != GATEWAY) { |
| 285 | return; |
| 286 | } |
| 287 | |
| 288 | if (receivedPortNum.equals(node.uplinkPortNum())) { |
| 289 | osNetworkAdminService.updateExternalPeerRouterMac(spa, sha); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 290 | } |
| 291 | } catch (Exception e) { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 292 | log.error("Exception occurred because of {}", e); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 293 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 294 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 295 | } |
| 296 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 297 | private class InternalPacketProcessor implements PacketProcessor { |
| 298 | |
| 299 | @Override |
| 300 | public void process(PacketContext context) { |
| 301 | if (context.isHandled()) { |
| 302 | return; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | Set<DeviceId> gateways = osNodeService.completeNodes(GATEWAY) |
| 306 | .stream().map(OpenstackNode::intgBridge) |
| 307 | .collect(Collectors.toSet()); |
| 308 | |
| 309 | if (!gateways.contains(context.inPacket().receivedFrom().deviceId())) { |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 310 | // return if the packet is not from gateway nodes |
| 311 | return; |
| 312 | } |
| 313 | |
| 314 | InboundPacket pkt = context.inPacket(); |
| 315 | Ethernet ethernet = pkt.parsed(); |
| 316 | if (ethernet != null && |
| 317 | ethernet.getEtherType() == Ethernet.TYPE_ARP) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 318 | eventExecutor.execute(() -> processArpPacket(context, ethernet)); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 319 | } |
| 320 | } |
| 321 | } |
| 322 | |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 323 | private boolean isExternalGatewaySourceIp(IpAddress targetIp) { |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 324 | return osNetworkAdminService.ports().stream() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 325 | .filter(osPort -> Objects.equals(osPort.getDeviceOwner(), |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 326 | DEVICE_OWNER_ROUTER_GW)) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 327 | .flatMap(osPort -> osPort.getFixedIps().stream()) |
| 328 | .anyMatch(ip -> IpAddress.valueOf(ip.getIpAddress()).equals(targetIp)); |
Kyuhwi Choi | 92d9ea4 | 2016-06-13 17:28:00 +0900 | [diff] [blame] | 329 | } |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 330 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 331 | /** |
| 332 | * Installs static ARP rules used in ARP BROAD_CAST mode. |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 333 | * |
| 334 | * @param gateway gateway node |
| 335 | * @param install flow rule installation flag |
| 336 | */ |
| 337 | private void setFloatingIpArpRuleForGateway(OpenstackNode gateway, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 338 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 339 | |
| 340 | Set<OpenstackNode> completedGws = osNodeService.completeNodes(GATEWAY); |
| 341 | Set<OpenstackNode> finalGws = Sets.newConcurrentHashSet(); |
| 342 | finalGws.addAll(ImmutableSet.copyOf(completedGws)); |
| 343 | |
| 344 | if (install) { |
| 345 | if (completedGws.contains(gateway)) { |
| 346 | if (completedGws.size() > 1) { |
| 347 | finalGws.remove(gateway); |
| 348 | osRouterService.floatingIps().forEach(fip -> { |
| 349 | if (fip.getPortId() != null) { |
| 350 | setFloatingIpArpRule(fip, finalGws, false); |
| 351 | finalGws.add(gateway); |
| 352 | } |
| 353 | }); |
| 354 | } |
| 355 | osRouterService.floatingIps().forEach(fip -> { |
| 356 | if (fip.getPortId() != null) { |
| 357 | setFloatingIpArpRule(fip, finalGws, true); |
| 358 | } |
| 359 | }); |
| 360 | } else { |
| 361 | log.warn("Detected node should be included in completed gateway set"); |
| 362 | } |
| 363 | } else { |
| 364 | if (!completedGws.contains(gateway)) { |
| 365 | finalGws.add(gateway); |
| 366 | osRouterService.floatingIps().forEach(fip -> { |
| 367 | if (fip.getPortId() != null) { |
| 368 | setFloatingIpArpRule(fip, finalGws, false); |
| 369 | } |
| 370 | }); |
| 371 | finalGws.remove(gateway); |
| 372 | if (completedGws.size() >= 1) { |
| 373 | osRouterService.floatingIps().forEach(fip -> { |
| 374 | if (fip.getPortId() != null) { |
| 375 | setFloatingIpArpRule(fip, finalGws, true); |
| 376 | } |
| 377 | }); |
| 378 | } |
| 379 | } else { |
| 380 | log.warn("Detected node should NOT be included in completed gateway set"); |
| 381 | } |
| 382 | } |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | /** |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 387 | * Installs/uninstalls ARP flow rules to the corresponding gateway by |
| 388 | * looking for compute node's device ID. |
| 389 | * |
| 390 | * @param fip floating IP |
| 391 | * @param port instance port |
| 392 | * @param gateways a collection of gateways |
| 393 | * @param install install flag |
| 394 | */ |
| 395 | private void setFloatingIpArpRuleWithPortEvent(NetFloatingIP fip, |
| 396 | InstancePort port, |
| 397 | Set<OpenstackNode> gateways, |
| 398 | boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 399 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 400 | |
| 401 | OpenstackNode gw = getGwByInstancePort(gateways, port); |
| 402 | |
| 403 | if (gw == null) { |
| 404 | return; |
| 405 | } |
| 406 | |
| 407 | String macString = osNetworkAdminService.port(fip.getPortId()).getMacAddress(); |
| 408 | |
| 409 | setArpRule(fip, MacAddress.valueOf(macString), gw, install); |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | /** |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 414 | * Installs static ARP rules used in ARP BROAD_CAST mode. |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 415 | * Note that, those rules will be only matched ARP_REQUEST packets, |
| 416 | * used for telling gateway node the mapped MAC address of requested IP, |
| 417 | * without the helps from controller. |
| 418 | * |
| 419 | * @param fip floating IP address |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 420 | * @param gateways a set of gateway nodes |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 421 | * @param install flow rule installation flag |
| 422 | */ |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 423 | private synchronized void setFloatingIpArpRule(NetFloatingIP fip, |
| 424 | Set<OpenstackNode> gateways, |
| 425 | boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 426 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 427 | |
| 428 | if (fip == null) { |
| 429 | log.warn("Failed to set ARP broadcast rule for floating IP"); |
| 430 | return; |
| 431 | } |
| 432 | |
Jian Li | 46b7400 | 2018-07-15 18:39:08 +0900 | [diff] [blame] | 433 | if (fip.getPortId() == null) { |
| 434 | log.trace("Unknown target ARP request for {}, ignore it", |
| 435 | fip.getFloatingIpAddress()); |
| 436 | return; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 437 | } |
| 438 | |
Jian Li | 46b7400 | 2018-07-15 18:39:08 +0900 | [diff] [blame] | 439 | InstancePort instPort = instancePortService.instancePort(fip.getPortId()); |
| 440 | MacAddress targetMac = instPort.macAddress(); |
Jian Li | f3a28b0 | 2018-06-11 21:29:13 +0900 | [diff] [blame] | 441 | |
Jian Li | a171a43 | 2018-06-11 11:52:11 +0900 | [diff] [blame] | 442 | OpenstackNode gw = getGwByInstancePort(gateways, instPort); |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 443 | |
| 444 | if (gw == null) { |
| 445 | return; |
| 446 | } |
| 447 | |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 448 | setArpRule(fip, targetMac, gw, install); |
| 449 | } |
| 450 | } |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 451 | |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 452 | private void setArpRule(NetFloatingIP fip, MacAddress targetMac, |
| 453 | OpenstackNode gateway, boolean install) { |
| 454 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 455 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 456 | .matchArpOp(ARP.OP_REQUEST) |
| 457 | .matchArpTpa(Ip4Address.valueOf(fip.getFloatingIpAddress())) |
| 458 | .build(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 459 | |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 460 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 461 | .setArpOp(ARP.OP_REPLY) |
| 462 | .setArpSha(targetMac) |
| 463 | .setArpSpa(Ip4Address.valueOf(fip.getFloatingIpAddress())) |
| 464 | .setOutput(PortNumber.IN_PORT) |
| 465 | .build(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 466 | |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 467 | osFlowRuleService.setRule( |
| 468 | appId, |
| 469 | gateway.intgBridge(), |
| 470 | selector, |
| 471 | treatment, |
| 472 | PRIORITY_ARP_GATEWAY_RULE, |
| 473 | GW_COMMON_TABLE, |
| 474 | install |
| 475 | ); |
| 476 | |
| 477 | if (install) { |
| 478 | log.info("Install ARP Rule for Floating IP {}", |
| 479 | fip.getFloatingIpAddress()); |
| 480 | } else { |
| 481 | log.info("Uninstall ARP Rule for Floating IP {}", |
| 482 | fip.getFloatingIpAddress()); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 483 | } |
| 484 | } |
| 485 | |
| 486 | /** |
| 487 | * An internal router event listener, intended to install/uninstall |
| 488 | * ARP rules for forwarding packets created from floating IPs. |
| 489 | */ |
| 490 | private class InternalRouterEventListener implements OpenstackRouterListener { |
| 491 | |
| 492 | @Override |
| 493 | public boolean isRelevant(OpenstackRouterEvent event) { |
| 494 | // do not allow to proceed without leadership |
| 495 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 496 | return Objects.equals(localNodeId, leader); |
| 497 | } |
| 498 | |
| 499 | @Override |
| 500 | public void event(OpenstackRouterEvent event) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 501 | |
| 502 | Set<OpenstackNode> completedGws = osNodeService.completeNodes(GATEWAY); |
| 503 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 504 | switch (event.type()) { |
| 505 | case OPENSTACK_ROUTER_CREATED: |
| 506 | eventExecutor.execute(() -> |
| 507 | // add a router with external gateway |
| 508 | setFakeGatewayArpRule(event.subject(), true) |
| 509 | ); |
| 510 | break; |
| 511 | case OPENSTACK_ROUTER_REMOVED: |
| 512 | eventExecutor.execute(() -> |
| 513 | // remove a router with external gateway |
| 514 | setFakeGatewayArpRule(event.subject(), false) |
| 515 | ); |
| 516 | break; |
| 517 | case OPENSTACK_ROUTER_GATEWAY_ADDED: |
| 518 | eventExecutor.execute(() -> |
| 519 | // add a gateway manually after adding a router |
| 520 | setFakeGatewayArpRule(event.externalGateway(), true) |
| 521 | ); |
| 522 | break; |
| 523 | case OPENSTACK_ROUTER_GATEWAY_REMOVED: |
| 524 | eventExecutor.execute(() -> |
| 525 | // remove a gateway from an existing router |
| 526 | setFakeGatewayArpRule(event.externalGateway(), false) |
| 527 | ); |
| 528 | break; |
| 529 | case OPENSTACK_FLOATING_IP_ASSOCIATED: |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 530 | eventExecutor.execute(() -> { |
| 531 | NetFloatingIP osFip = event.floatingIp(); |
| 532 | |
| 533 | if (!Strings.isNullOrEmpty(osFip.getPortId()) && |
| 534 | instancePortService.instancePort(osFip.getPortId()) != null) { |
| 535 | // associate a floating IP with an existing VM |
| 536 | setFloatingIpArpRule(event.floatingIp(), completedGws, true); |
| 537 | } |
| 538 | }); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 539 | break; |
| 540 | case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 541 | eventExecutor.execute(() -> { |
| 542 | NetFloatingIP osFip = event.floatingIp(); |
| 543 | |
| 544 | if (!Strings.isNullOrEmpty(osFip.getPortId()) && |
| 545 | instancePortService.instancePort(osFip.getPortId()) != null) { |
| 546 | // associate a floating IP with an existing VM |
| 547 | setFloatingIpArpRule(event.floatingIp(), completedGws, false); |
| 548 | } |
| 549 | }); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 550 | break; |
| 551 | case OPENSTACK_FLOATING_IP_CREATED: |
| 552 | eventExecutor.execute(() -> { |
| 553 | NetFloatingIP osFip = event.floatingIp(); |
| 554 | |
| 555 | // during floating IP creation, if the floating IP is |
| 556 | // associated with any port of VM, then we will set |
| 557 | // floating IP related ARP rules to gateway node |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 558 | if (!Strings.isNullOrEmpty(osFip.getPortId()) && |
| 559 | instancePortService.instancePort(osFip.getPortId()) != null) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 560 | setFloatingIpArpRule(osFip, completedGws, true); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 561 | } |
| 562 | }); |
| 563 | break; |
| 564 | case OPENSTACK_FLOATING_IP_REMOVED: |
| 565 | eventExecutor.execute(() -> { |
| 566 | NetFloatingIP osFip = event.floatingIp(); |
| 567 | |
| 568 | // during floating IP deletion, if the floating IP is |
| 569 | // still associated with any port of VM, then we will |
| 570 | // remove floating IP related ARP rules from gateway node |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 571 | if (!Strings.isNullOrEmpty(osFip.getPortId()) && |
| 572 | instancePortService.instancePort(osFip.getPortId()) != null) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 573 | setFloatingIpArpRule(event.floatingIp(), completedGws, false); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 574 | } |
| 575 | }); |
| 576 | break; |
| 577 | default: |
| 578 | // do nothing for the other events |
| 579 | break; |
| 580 | } |
| 581 | } |
| 582 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 583 | private Set<IP> getExternalGatewaySnatIps(ExternalGateway extGw) { |
| 584 | return osNetworkAdminService.ports().stream() |
| 585 | .filter(port -> |
| 586 | Objects.equals(port.getNetworkId(), extGw.getNetworkId())) |
| 587 | .filter(port -> |
| 588 | Objects.equals(port.getDeviceOwner(), DEVICE_OWNER_ROUTER_GW)) |
| 589 | .flatMap(port -> port.getFixedIps().stream()) |
| 590 | .collect(Collectors.toSet()); |
| 591 | } |
| 592 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 593 | private void setFakeGatewayArpRule(ExternalGateway extGw, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 594 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 595 | |
| 596 | if (extGw == null) { |
| 597 | return; |
| 598 | } |
| 599 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 600 | Set<IP> ips = getExternalGatewaySnatIps(extGw); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 601 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 602 | ips.forEach(ip -> { |
| 603 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 604 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 605 | .matchArpOp(ARP.OP_REQUEST) |
| 606 | .matchArpTpa(Ip4Address.valueOf(ip.getIpAddress())) |
| 607 | .build(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 608 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 609 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 610 | .setArpOp(ARP.OP_REPLY) |
| 611 | .setArpSha(MacAddress.valueOf(gatewayMac)) |
| 612 | .setArpSpa(Ip4Address.valueOf(ip.getIpAddress())) |
| 613 | .setOutput(PortNumber.IN_PORT) |
| 614 | .build(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 615 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 616 | osNodeService.completeNodes(GATEWAY).forEach(n -> |
| 617 | osFlowRuleService.setRule( |
| 618 | appId, |
| 619 | n.intgBridge(), |
| 620 | selector, |
| 621 | treatment, |
| 622 | PRIORITY_ARP_GATEWAY_RULE, |
| 623 | GW_COMMON_TABLE, |
| 624 | install |
| 625 | ) |
| 626 | ); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 627 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 628 | if (install) { |
| 629 | log.info("Install ARP Rule for Gateway Snat {}", ip.getIpAddress()); |
| 630 | } else { |
| 631 | log.info("Uninstall ARP Rule for Gateway Snat {}", ip.getIpAddress()); |
| 632 | } |
| 633 | }); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 634 | } |
| 635 | } |
| 636 | |
| 637 | private void setFakeGatewayArpRule(Router router, boolean install) { |
| 638 | setFakeGatewayArpRule(router.getExternalGatewayInfo(), install); |
| 639 | } |
| 640 | } |
| 641 | |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 642 | private class InternalInstancePortListener implements InstancePortListener { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 643 | |
| 644 | @Override |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 645 | public boolean isRelevant(InstancePortEvent event) { |
| 646 | // do not allow to proceed without leadership |
| 647 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 648 | return Objects.equals(localNodeId, leader); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 649 | } |
| 650 | |
| 651 | @Override |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 652 | public void event(InstancePortEvent event) { |
| 653 | InstancePort instPort = event.subject(); |
| 654 | |
| 655 | Set<NetFloatingIP> ips = osRouterService.floatingIps(); |
| 656 | NetFloatingIP fip = associatedFloatingIp(instPort, ips); |
| 657 | Set<OpenstackNode> gateways = osNodeService.completeNodes(GATEWAY); |
| 658 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 659 | switch (event.type()) { |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 660 | case OPENSTACK_INSTANCE_PORT_DETECTED: |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 661 | |
Jian Li | 46b7400 | 2018-07-15 18:39:08 +0900 | [diff] [blame] | 662 | osRouterService.floatingIps().stream() |
| 663 | .filter(f -> f.getPortId() != null) |
| 664 | .filter(f -> f.getPortId().equals(instPort.portId())) |
| 665 | .forEach(f -> setFloatingIpArpRule(f, gateways, true)); |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 666 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 667 | break; |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 668 | case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
| 669 | |
| 670 | if (gateways.size() == 1) { |
| 671 | return; |
| 672 | } |
| 673 | |
| 674 | if (fip != null && isAssociatedWithVM(osNetworkService, fip)) { |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 675 | eventExecutor.execute(() -> |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 676 | setFloatingIpArpRuleWithPortEvent(fip, event.subject(), |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 677 | gateways, true) |
| 678 | ); |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | break; |
| 682 | case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
| 683 | |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 684 | InstancePort revisedInstPort = swapStaleLocation(event.subject()); |
| 685 | |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 686 | if (gateways.size() == 1) { |
| 687 | return; |
| 688 | } |
| 689 | |
| 690 | if (fip != null && isAssociatedWithVM(osNetworkService, fip)) { |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 691 | DeviceId newDeviceId = event.subject().deviceId(); |
| 692 | DeviceId oldDeviceId = revisedInstPort.deviceId(); |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 693 | |
| 694 | OpenstackNode oldGw = getGwByComputeDevId(gateways, oldDeviceId); |
| 695 | OpenstackNode newGw = getGwByComputeDevId(gateways, newDeviceId); |
| 696 | |
| 697 | if (oldGw != null && oldGw.equals(newGw)) { |
| 698 | return; |
| 699 | } |
| 700 | |
| 701 | eventExecutor.execute(() -> |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 702 | setFloatingIpArpRuleWithPortEvent(fip, |
| 703 | revisedInstPort, gateways, false)); |
Jian Li | e1a3903 | 2018-06-19 21:49:36 +0900 | [diff] [blame] | 704 | } |
| 705 | break; |
| 706 | default: |
| 707 | break; |
| 708 | } |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 709 | } |
| 710 | } |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 711 | |
| 712 | private class InternalNodeEventListener implements OpenstackNodeListener { |
| 713 | |
| 714 | @Override |
| 715 | public boolean isRelevant(OpenstackNodeEvent event) { |
| 716 | // do not allow to proceed without leadership |
| 717 | NodeId leader = leadershipService.getLeader(appId.name()); |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 718 | return Objects.equals(localNodeId, leader) && event.subject().type() == GATEWAY; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 719 | } |
| 720 | |
| 721 | @Override |
| 722 | public void event(OpenstackNodeEvent event) { |
| 723 | OpenstackNode osNode = event.subject(); |
| 724 | switch (event.type()) { |
| 725 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 726 | setDefaultArpRule(osNode, true); |
| 727 | setFloatingIpArpRuleForGateway(osNode, true); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 728 | break; |
| 729 | case OPENSTACK_NODE_INCOMPLETE: |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 730 | setDefaultArpRule(osNode, false); |
| 731 | setFloatingIpArpRuleForGateway(osNode, false); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 732 | break; |
| 733 | default: |
| 734 | break; |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | private void setDefaultArpRule(OpenstackNode osNode, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 739 | switch (getArpMode()) { |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 740 | case ARP_PROXY_MODE: |
| 741 | setDefaultArpRuleForProxyMode(osNode, install); |
| 742 | break; |
| 743 | case ARP_BROADCAST_MODE: |
| 744 | setDefaultArpRuleForBroadcastMode(osNode, install); |
| 745 | break; |
| 746 | default: |
| 747 | log.warn("Invalid ARP mode {}. Please use either " + |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 748 | "broadcast or proxy mode.", getArpMode()); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 749 | break; |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | private void setDefaultArpRuleForProxyMode(OpenstackNode osNode, boolean install) { |
| 754 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 755 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 756 | .build(); |
| 757 | |
| 758 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 759 | .punt() |
| 760 | .build(); |
| 761 | |
| 762 | osFlowRuleService.setRule( |
| 763 | appId, |
| 764 | osNode.intgBridge(), |
| 765 | selector, |
| 766 | treatment, |
| 767 | PRIORITY_ARP_CONTROL_RULE, |
Jian Li | 8abf2fe | 2018-06-12 18:42:30 +0900 | [diff] [blame] | 768 | GW_COMMON_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 769 | install |
| 770 | ); |
| 771 | } |
| 772 | |
| 773 | private void setDefaultArpRuleForBroadcastMode(OpenstackNode osNode, boolean install) { |
| 774 | // we only match ARP_REPLY in gateway node, because controller |
| 775 | // somehow need to process ARP_REPLY which is issued from |
| 776 | // external router... |
| 777 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 778 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 779 | .matchArpOp(ARP.OP_REPLY) |
| 780 | .build(); |
| 781 | |
| 782 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 783 | .punt() |
| 784 | .build(); |
| 785 | |
| 786 | osFlowRuleService.setRule( |
| 787 | appId, |
| 788 | osNode.intgBridge(), |
| 789 | selector, |
| 790 | treatment, |
| 791 | PRIORITY_ARP_CONTROL_RULE, |
Jian Li | 8abf2fe | 2018-06-12 18:42:30 +0900 | [diff] [blame] | 792 | GW_COMMON_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 793 | install |
| 794 | ); |
| 795 | } |
| 796 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 797 | } |