Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 1 | /* |
Jian Li | 8e7e6cd | 2018-03-30 13:33:08 +0900 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
| 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; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 17 | |
| 18 | import com.google.common.base.Strings; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 19 | import org.onlab.packet.ARP; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 20 | import org.onlab.packet.EthType; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 21 | import org.onlab.packet.Ethernet; |
| 22 | import org.onlab.packet.Ip4Address; |
| 23 | import org.onlab.packet.IpAddress; |
| 24 | import org.onlab.packet.MacAddress; |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame^] | 25 | import org.onlab.packet.VlanId; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 26 | import org.onlab.util.Tools; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 27 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 28 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 29 | import org.onosproject.cluster.ClusterService; |
| 30 | import org.onosproject.cluster.LeadershipService; |
| 31 | import org.onosproject.cluster.NodeId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 32 | import org.onosproject.core.ApplicationId; |
| 33 | import org.onosproject.core.CoreService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 34 | import org.onosproject.mastership.MastershipService; |
| 35 | import org.onosproject.net.PortNumber; |
| 36 | import org.onosproject.net.device.DeviceService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 37 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 38 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 39 | import org.onosproject.net.flow.TrafficSelector; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 40 | import org.onosproject.net.flow.TrafficTreatment; |
| 41 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 42 | import org.onosproject.net.packet.PacketContext; |
| 43 | import org.onosproject.net.packet.PacketProcessor; |
| 44 | import org.onosproject.net.packet.PacketService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 45 | import org.onosproject.openstacknetworking.api.InstancePort; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 46 | import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| 47 | import org.onosproject.openstacknetworking.api.InstancePortListener; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 48 | import org.onosproject.openstacknetworking.api.InstancePortService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 49 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 50 | import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent; |
| 51 | import org.onosproject.openstacknetworking.api.OpenstackNetworkListener; |
| 52 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 53 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 54 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 55 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| 56 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
| 57 | import org.openstack4j.model.network.Network; |
| 58 | import org.openstack4j.model.network.NetworkType; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 59 | import org.openstack4j.model.network.Subnet; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 60 | import org.osgi.service.component.ComponentContext; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 61 | import org.osgi.service.component.annotations.Activate; |
| 62 | import org.osgi.service.component.annotations.Component; |
| 63 | import org.osgi.service.component.annotations.Deactivate; |
| 64 | import org.osgi.service.component.annotations.Modified; |
| 65 | import org.osgi.service.component.annotations.Reference; |
| 66 | import org.osgi.service.component.annotations.ReferenceCardinality; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 67 | import org.slf4j.Logger; |
| 68 | import org.slf4j.LoggerFactory; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 69 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 70 | import java.nio.ByteBuffer; |
| 71 | import java.util.Dictionary; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 72 | import java.util.Objects; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 73 | import java.util.Set; |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 74 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 75 | |
| 76 | import static com.google.common.base.Preconditions.checkNotNull; |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 77 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 78 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 79 | import static org.onosproject.openstacknetworking.api.Constants.ARP_BROADCAST_MODE; |
| 80 | import static org.onosproject.openstacknetworking.api.Constants.ARP_PROXY_MODE; |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 81 | import static org.onosproject.openstacknetworking.api.Constants.ARP_TABLE; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 82 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 83 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_CONTROL_RULE; |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 84 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_FLOOD_RULE; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 85 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 86 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_REPLY_RULE; |
| 87 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_REQUEST_RULE; |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 88 | import static org.onosproject.openstacknetworking.api.InstancePort.State.ACTIVE; |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 89 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.ARP_MODE; |
| 90 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.ARP_MODE_DEFAULT; |
| 91 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.GATEWAY_MAC; |
| 92 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.GATEWAY_MAC_DEFAULT; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 93 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValue; |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 94 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 95 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension; |
| 96 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 97 | |
| 98 | /** |
| 99 | * Handles ARP packet from VMs. |
| 100 | */ |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 101 | @Component( |
| 102 | immediate = true, |
| 103 | property = { |
| 104 | GATEWAY_MAC + "=" + GATEWAY_MAC_DEFAULT, |
| 105 | ARP_MODE + "=" + ARP_MODE_DEFAULT, |
| 106 | } |
| 107 | ) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 108 | public final class OpenstackSwitchingArpHandler { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 109 | |
| 110 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 111 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 112 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 113 | CoreService coreService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 114 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 115 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 116 | PacketService packetService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 117 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 118 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 119 | OpenstackFlowRuleService osFlowRuleService; |
| 120 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 121 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 122 | ComponentConfigService configService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 123 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 124 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 125 | ClusterService clusterService; |
| 126 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 127 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 128 | LeadershipService leadershipService; |
| 129 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 130 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 131 | DeviceService deviceService; |
| 132 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 133 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 134 | MastershipService mastershipService; |
| 135 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 136 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 137 | InstancePortService instancePortService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 138 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 139 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 140 | OpenstackNetworkService osNetworkService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 141 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 142 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 143 | protected OpenstackNodeService osNodeService; |
| 144 | |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 145 | /** Fake MAC address for virtual network subnet gateway. */ |
| 146 | private String gatewayMac = GATEWAY_MAC_DEFAULT; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 147 | |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 148 | /** ARP processing mode, broadcast | proxy (default). */ |
| 149 | protected String arpMode = ARP_MODE_DEFAULT; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 150 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 151 | private final InternalPacketProcessor packetProcessor = new InternalPacketProcessor(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 152 | private final InternalOpenstackNetworkListener osNetworkListener = |
| 153 | new InternalOpenstackNetworkListener(); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 154 | private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| 155 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
| 156 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 157 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 158 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| 159 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 160 | |
| 161 | private ApplicationId appId; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 162 | private NodeId localNodeId; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 163 | |
| 164 | @Activate |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 165 | void activate() { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 166 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 167 | configService.registerProperties(getClass()); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 168 | localNodeId = clusterService.getLocalNode().id(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 169 | osNetworkService.addListener(osNetworkListener); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 170 | osNodeService.addListener(osNodeListener); |
| 171 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 172 | packetService.addProcessor(packetProcessor, PacketProcessor.director(0)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 173 | |
| 174 | instancePortService.addListener(instancePortListener); |
| 175 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 176 | log.info("Started"); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | @Deactivate |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 180 | void deactivate() { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 181 | packetService.removeProcessor(packetProcessor); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 182 | osNetworkService.removeListener(osNetworkListener); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 183 | osNodeService.removeListener(osNodeListener); |
| 184 | instancePortService.removeListener(instancePortListener); |
| 185 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 186 | configService.unregisterProperties(getClass(), false); |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 187 | eventExecutor.shutdown(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 188 | |
| 189 | log.info("Stopped"); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | @Modified |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 193 | void modified(ComponentContext context) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 194 | readComponentConfiguration(context); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 195 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 196 | log.info("Modified"); |
| 197 | } |
| 198 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 199 | private String getArpMode() { |
| 200 | Set<ConfigProperty> properties = configService.getProperties(this.getClass().getName()); |
| 201 | return getPropertyValue(properties, ARP_MODE); |
| 202 | } |
| 203 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 204 | /** |
| 205 | * Processes ARP request packets. |
| 206 | * It checks if the target IP is owned by a known host first and then ask to |
| 207 | * OpenStack if it's not. This ARP proxy does not support overlapping IP. |
| 208 | * |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 209 | * @param context packet context |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 210 | * @param ethPacket ethernet packet |
| 211 | */ |
| 212 | private void processPacketIn(PacketContext context, Ethernet ethPacket) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 213 | |
| 214 | // if the ARP mode is configured as broadcast mode, we simply ignore ARP packet_in |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 215 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 216 | return; |
| 217 | } |
| 218 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 219 | ARP arpPacket = (ARP) ethPacket.getPayload(); |
| 220 | if (arpPacket.getOpCode() != ARP.OP_REQUEST) { |
| 221 | return; |
| 222 | } |
| 223 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 224 | InstancePort srcInstPort = instancePortService.instancePort(ethPacket.getSourceMAC()); |
| 225 | if (srcInstPort == null) { |
| 226 | log.trace("Failed to find source instance port(MAC:{})", |
| 227 | ethPacket.getSourceMAC()); |
| 228 | return; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 229 | } |
| 230 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 231 | IpAddress targetIp = Ip4Address.valueOf(arpPacket.getTargetProtocolAddress()); |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 232 | |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 233 | MacAddress replyMac = isGatewayIp(targetIp) ? MacAddress.valueOf(gatewayMac) : |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 234 | getMacFromHostOpenstack(targetIp, srcInstPort.networkId()); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 235 | if (replyMac == MacAddress.NONE) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 236 | log.trace("Failed to find MAC address for {}", targetIp); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 237 | return; |
| 238 | } |
| 239 | |
| 240 | Ethernet ethReply = ARP.buildArpReply( |
| 241 | targetIp.getIp4Address(), |
| 242 | replyMac, |
| 243 | ethPacket); |
| 244 | |
| 245 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 246 | .setOutput(context.inPacket().receivedFrom().port()) |
| 247 | .build(); |
| 248 | |
| 249 | packetService.emit(new DefaultOutboundPacket( |
| 250 | context.inPacket().receivedFrom().deviceId(), |
| 251 | treatment, |
| 252 | ByteBuffer.wrap(ethReply.serialize()))); |
| 253 | } |
| 254 | |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 255 | /** |
| 256 | * Denotes whether the given target IP is gateway IP. |
| 257 | * |
| 258 | * @param targetIp target IP address |
| 259 | * @return true if the given targetIP is gateway IP, false otherwise. |
| 260 | */ |
| 261 | private boolean isGatewayIp(IpAddress targetIp) { |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 262 | return osNetworkService.subnets().stream() |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 263 | .filter(Objects::nonNull) |
| 264 | .filter(subnet -> subnet.getGateway() != null) |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 265 | .anyMatch(subnet -> subnet.getGateway().equals(targetIp.toString())); |
| 266 | } |
| 267 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 268 | /** |
| 269 | * Returns MAC address of a host with a given target IP address by asking to |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 270 | * instance port service. |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 271 | * |
| 272 | * @param targetIp target ip |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 273 | * @param osNetId openstack network id of the source instance port |
| 274 | * @return mac address, or none mac address if it fails to find the mac |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 275 | */ |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 276 | private MacAddress getMacFromHostOpenstack(IpAddress targetIp, String osNetId) { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 277 | checkNotNull(targetIp); |
| 278 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 279 | InstancePort instPort = instancePortService.instancePort(targetIp, osNetId); |
| 280 | if (instPort != null) { |
| 281 | log.trace("Found MAC from host service for {}", targetIp); |
| 282 | return instPort.macAddress(); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 283 | } else { |
| 284 | return MacAddress.NONE; |
| 285 | } |
| 286 | } |
| 287 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 288 | /** |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 289 | * Installs flow rules which convert ARP request packet into ARP reply |
| 290 | * by adding a fake gateway MAC address as Source Hardware Address. |
| 291 | * |
| 292 | * @param osSubnet openstack subnet |
| 293 | * @param install flag which indicates whether to install rule or remove rule |
| 294 | */ |
| 295 | private void setFakeGatewayArpRule(Subnet osSubnet, boolean install, OpenstackNode osNode) { |
| 296 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 297 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 8e365bd | 2018-10-12 22:09:03 +0900 | [diff] [blame] | 298 | |
| 299 | // do not remove fake gateway ARP rules, if there is another gateway |
| 300 | // which has the same subnet that to be removed |
| 301 | // this only occurs if we have duplicated subnets associated with |
| 302 | // different networks |
| 303 | if (!install) { |
| 304 | long numOfDupGws = osNetworkService.subnets().stream() |
| 305 | .filter(s -> !s.getId().equals(osSubnet.getId())) |
Jian Li | 7ce775a | 2018-10-18 07:24:53 +0900 | [diff] [blame] | 306 | .filter(s -> s.getGateway() != null) |
Jian Li | 8e365bd | 2018-10-12 22:09:03 +0900 | [diff] [blame] | 307 | .filter(s -> s.getGateway().equals(osSubnet.getGateway())) |
| 308 | .count(); |
| 309 | if (numOfDupGws > 0) { |
| 310 | return; |
| 311 | } |
| 312 | } |
| 313 | |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 314 | String gateway = osSubnet.getGateway(); |
Daniel Park | 6a2d95e | 2018-11-05 18:50:16 +0900 | [diff] [blame] | 315 | if (gateway == null) { |
| 316 | return; |
| 317 | } |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 318 | |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame^] | 319 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 320 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 321 | |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame^] | 322 | NetworkType type = NetworkType.valueOf(osNetworkService.networkType(osSubnet.getNetworkId())); |
| 323 | |
| 324 | if (type.equals(NetworkType.VLAN)) { |
| 325 | sBuilder.matchVlanId(VlanId.vlanId(osNetworkService.segmentId(osSubnet.getNetworkId()))); |
| 326 | tBuilder.popVlan(); |
| 327 | } |
| 328 | |
| 329 | sBuilder.matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 330 | .matchArpOp(ARP.OP_REQUEST) |
| 331 | .matchArpTpa(Ip4Address.valueOf(gateway)); |
| 332 | |
| 333 | tBuilder.setArpOp(ARP.OP_REPLY) |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 334 | .setArpSha(MacAddress.valueOf(gatewayMac)) |
| 335 | .setArpSpa(Ip4Address.valueOf(gateway)) |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame^] | 336 | .setOutput(PortNumber.IN_PORT); |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 337 | |
| 338 | if (osNode == null) { |
| 339 | osNodeService.completeNodes(COMPUTE).forEach(n -> |
| 340 | osFlowRuleService.setRule( |
| 341 | appId, |
| 342 | n.intgBridge(), |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame^] | 343 | sBuilder.build(), |
| 344 | tBuilder.build(), |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 345 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 346 | ARP_TABLE, |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 347 | install |
| 348 | ) |
| 349 | ); |
| 350 | } else { |
| 351 | osFlowRuleService.setRule( |
| 352 | appId, |
| 353 | osNode.intgBridge(), |
Daniel Park | 8a9220f | 2018-11-19 18:58:35 +0900 | [diff] [blame^] | 354 | sBuilder.build(), |
| 355 | tBuilder.build(), |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 356 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 357 | ARP_TABLE, |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 358 | install |
| 359 | ); |
| 360 | } |
| 361 | |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | /** |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 366 | * Installs flow rules to match ARP request packets. |
| 367 | * |
| 368 | * @param port instance port |
| 369 | * @param install installation flag |
| 370 | */ |
| 371 | private void setArpRequestRule(InstancePort port, boolean install) { |
| 372 | NetworkType type = osNetworkService.network(port.networkId()).getNetworkType(); |
| 373 | |
| 374 | switch (type) { |
| 375 | case VXLAN: |
| 376 | setRemoteArpRequestRuleForVxlan(port, install); |
| 377 | break; |
| 378 | case VLAN: |
| 379 | // since VLAN ARP packet can be broadcasted to all hosts that connected with L2 network, |
| 380 | // there is no need to add any flow rules to handle ARP request |
| 381 | break; |
| 382 | default: |
| 383 | break; |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | /** |
| 388 | * Installs flow rules to match ARP reply packets. |
| 389 | * |
| 390 | * @param port instance port |
| 391 | * @param install installation flag |
| 392 | */ |
| 393 | private void setArpReplyRule(InstancePort port, boolean install) { |
| 394 | NetworkType type = osNetworkService.network(port.networkId()).getNetworkType(); |
| 395 | |
| 396 | switch (type) { |
| 397 | case VXLAN: |
| 398 | setArpReplyRuleForVxlan(port, install); |
| 399 | break; |
| 400 | case VLAN: |
| 401 | setArpReplyRuleForVlan(port, install); |
| 402 | break; |
| 403 | default: |
| 404 | break; |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * Installs flow rules to match ARP request packets only for VxLAN. |
| 410 | * |
| 411 | * @param port instance port |
| 412 | * @param install installation flag |
| 413 | */ |
| 414 | private void setRemoteArpRequestRuleForVxlan(InstancePort port, boolean install) { |
| 415 | |
| 416 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 417 | |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 418 | String segId = osNetworkService.segmentId(port.networkId()); |
| 419 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 420 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 421 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 422 | .matchArpOp(ARP.OP_REQUEST) |
| 423 | .matchArpTpa(port.ipAddress().getIp4Address()) |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 424 | .matchTunnelId(Long.valueOf(segId)) |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 425 | .build(); |
| 426 | |
| 427 | setRemoteArpTreatmentForVxlan(selector, port, localNode, install); |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * Installs flow rules to match ARP reply packets only for VxLAN. |
| 432 | * |
| 433 | * @param port instance port |
| 434 | * @param install installation flag |
| 435 | */ |
| 436 | private void setArpReplyRuleForVxlan(InstancePort port, boolean install) { |
| 437 | |
| 438 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 439 | |
| 440 | TrafficSelector selector = setArpReplyRuleForVnet(port, install); |
| 441 | setRemoteArpTreatmentForVxlan(selector, port, localNode, install); |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * Installs flow rules to match ARP reply packets only for VLAN. |
| 446 | * |
| 447 | * @param port instance port |
| 448 | * @param install installation flag |
| 449 | */ |
| 450 | private void setArpReplyRuleForVlan(InstancePort port, boolean install) { |
| 451 | |
| 452 | TrafficSelector selector = setArpReplyRuleForVnet(port, install); |
| 453 | setRemoteArpTreatmentForVlan(selector, port, install); |
| 454 | } |
| 455 | |
| 456 | // a helper method |
| 457 | private TrafficSelector setArpReplyRuleForVnet(InstancePort port, boolean install) { |
| 458 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 459 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 460 | .matchArpOp(ARP.OP_REPLY) |
| 461 | .matchArpTpa(port.ipAddress().getIp4Address()) |
| 462 | .matchArpTha(port.macAddress()) |
| 463 | .build(); |
| 464 | |
| 465 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 466 | .setOutput(port.portNumber()) |
| 467 | .build(); |
| 468 | |
| 469 | osFlowRuleService.setRule( |
| 470 | appId, |
| 471 | port.deviceId(), |
| 472 | selector, |
| 473 | treatment, |
| 474 | PRIORITY_ARP_REPLY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 475 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 476 | install |
| 477 | ); |
| 478 | |
| 479 | return selector; |
| 480 | } |
| 481 | |
| 482 | // a helper method |
| 483 | private void setRemoteArpTreatmentForVxlan(TrafficSelector selector, |
| 484 | InstancePort port, |
| 485 | OpenstackNode localNode, |
| 486 | boolean install) { |
| 487 | for (OpenstackNode remoteNode : osNodeService.completeNodes(COMPUTE)) { |
| 488 | if (!remoteNode.intgBridge().equals(port.deviceId())) { |
| 489 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 490 | .extension(buildExtension( |
| 491 | deviceService, |
| 492 | remoteNode.intgBridge(), |
| 493 | localNode.dataIp().getIp4Address()), |
| 494 | remoteNode.intgBridge()) |
| 495 | .setOutput(remoteNode.tunnelPortNum()) |
| 496 | .build(); |
| 497 | |
| 498 | osFlowRuleService.setRule( |
| 499 | appId, |
| 500 | remoteNode.intgBridge(), |
| 501 | selector, |
| 502 | treatmentToRemote, |
| 503 | PRIORITY_ARP_REQUEST_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 504 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 505 | install |
| 506 | ); |
| 507 | } |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | // a helper method |
| 512 | private void setRemoteArpTreatmentForVlan(TrafficSelector selector, |
| 513 | InstancePort port, |
| 514 | boolean install) { |
| 515 | for (OpenstackNode remoteNode : osNodeService.completeNodes(COMPUTE)) { |
| 516 | if (!remoteNode.intgBridge().equals(port.deviceId()) && remoteNode.vlanIntf() != null) { |
| 517 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 518 | .setOutput(remoteNode.vlanPortNum()) |
| 519 | .build(); |
| 520 | |
| 521 | osFlowRuleService.setRule( |
| 522 | appId, |
| 523 | remoteNode.intgBridge(), |
| 524 | selector, |
| 525 | treatmentToRemote, |
| 526 | PRIORITY_ARP_REQUEST_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 527 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 528 | install); |
| 529 | } |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * Extracts properties from the component configuration context. |
| 535 | * |
| 536 | * @param context the component context |
| 537 | */ |
| 538 | private void readComponentConfiguration(ComponentContext context) { |
| 539 | Dictionary<?, ?> properties = context.getProperties(); |
| 540 | |
| 541 | String updatedMac = Tools.get(properties, GATEWAY_MAC); |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame] | 542 | gatewayMac = updatedMac != null ? updatedMac : GATEWAY_MAC_DEFAULT; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 543 | log.info("Configured. Gateway MAC is {}", gatewayMac); |
| 544 | } |
| 545 | |
| 546 | /** |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 547 | * An internal packet processor which processes ARP request, and results in |
| 548 | * packet-out ARP reply. |
| 549 | */ |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 550 | private class InternalPacketProcessor implements PacketProcessor { |
| 551 | |
| 552 | @Override |
| 553 | public void process(PacketContext context) { |
| 554 | if (context.isHandled()) { |
| 555 | return; |
| 556 | } |
| 557 | |
| 558 | Ethernet ethPacket = context.inPacket().parsed(); |
| 559 | if (ethPacket == null || ethPacket.getEtherType() != Ethernet.TYPE_ARP) { |
| 560 | return; |
| 561 | } |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 562 | |
| 563 | eventExecutor.execute(() -> processPacketIn(context, ethPacket)); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 564 | } |
| 565 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 566 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 567 | /** |
| 568 | * An internal network listener which listens to openstack network event, |
| 569 | * manages the gateway collection and installs flow rule that handles |
| 570 | * ARP request in data plane. |
| 571 | */ |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 572 | private class InternalOpenstackNetworkListener implements OpenstackNetworkListener { |
| 573 | |
| 574 | @Override |
| 575 | public boolean isRelevant(OpenstackNetworkEvent event) { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 576 | return event.subnet() != null; |
| 577 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 578 | |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 579 | private boolean isRelevantHelper(Subnet osSubnet) { |
Jian Li | bb4f541 | 2018-04-12 09:48:50 +0900 | [diff] [blame] | 580 | Network network = osNetworkService.network(osSubnet.getNetworkId()); |
| 581 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 582 | if (network == null) { |
| 583 | log.warn("Network is not specified."); |
| 584 | return false; |
| 585 | } else { |
| 586 | if (network.getNetworkType().equals(NetworkType.FLAT)) { |
| 587 | return false; |
| 588 | } |
| 589 | } |
| 590 | |
| 591 | // do not allow to proceed without leadership |
| 592 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 593 | if (!Objects.equals(localNodeId, leader)) { |
| 594 | return false; |
| 595 | } |
| 596 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 597 | return !Strings.isNullOrEmpty(osSubnet.getGateway()); |
| 598 | } |
| 599 | |
| 600 | @Override |
| 601 | public void event(OpenstackNetworkEvent event) { |
| 602 | switch (event.type()) { |
| 603 | case OPENSTACK_SUBNET_CREATED: |
| 604 | case OPENSTACK_SUBNET_UPDATED: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 605 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 606 | |
| 607 | if (!isRelevantHelper(event.subnet())) { |
| 608 | return; |
| 609 | } |
| 610 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 611 | setFakeGatewayArpRule(event.subnet(), true, null); |
| 612 | }); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 613 | break; |
| 614 | case OPENSTACK_SUBNET_REMOVED: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 615 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 616 | |
| 617 | if (!isRelevantHelper(event.subnet())) { |
| 618 | return; |
| 619 | } |
| 620 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 621 | setFakeGatewayArpRule(event.subnet(), false, null); |
| 622 | }); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 623 | break; |
| 624 | case OPENSTACK_NETWORK_CREATED: |
| 625 | case OPENSTACK_NETWORK_UPDATED: |
| 626 | case OPENSTACK_NETWORK_REMOVED: |
| 627 | case OPENSTACK_PORT_CREATED: |
| 628 | case OPENSTACK_PORT_UPDATED: |
| 629 | case OPENSTACK_PORT_REMOVED: |
| 630 | default: |
| 631 | // do nothing for the other events |
| 632 | break; |
| 633 | } |
| 634 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | /** |
| 638 | * An internal openstack node listener which is used for listening openstack |
| 639 | * node activity. As long as a node is in complete state, we will install |
| 640 | * default ARP rule to handle ARP request. |
| 641 | */ |
| 642 | private class InternalNodeEventListener implements OpenstackNodeListener { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 643 | private boolean isRelevantHelper() { |
| 644 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 645 | } |
| 646 | |
| 647 | @Override |
| 648 | public void event(OpenstackNodeEvent event) { |
| 649 | OpenstackNode osNode = event.subject(); |
| 650 | switch (event.type()) { |
| 651 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 652 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 653 | |
| 654 | if (!isRelevantHelper()) { |
| 655 | return; |
| 656 | } |
| 657 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 658 | setDefaultArpRule(osNode, true); |
| 659 | setAllArpRules(osNode, true); |
| 660 | }); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 661 | break; |
| 662 | case OPENSTACK_NODE_INCOMPLETE: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 663 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 664 | |
| 665 | if (!isRelevantHelper()) { |
| 666 | return; |
| 667 | } |
| 668 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 669 | setDefaultArpRule(osNode, false); |
| 670 | setAllArpRules(osNode, false); |
| 671 | }); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 672 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 673 | default: |
| 674 | break; |
| 675 | } |
| 676 | } |
| 677 | |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 678 | private void setDefaultArpRule(OpenstackNode osNode, boolean install) { |
Jian Li | bcc4228 | 2018-09-13 20:59:34 +0900 | [diff] [blame] | 679 | |
| 680 | if (getArpMode() == null) { |
| 681 | return; |
| 682 | } |
| 683 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 684 | switch (getArpMode()) { |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 685 | case ARP_PROXY_MODE: |
| 686 | setDefaultArpRuleForProxyMode(osNode, install); |
| 687 | break; |
| 688 | case ARP_BROADCAST_MODE: |
| 689 | setDefaultArpRuleForBroadcastMode(osNode, install); |
Jian Li | e2e03a5 | 2018-07-05 23:35:02 +0900 | [diff] [blame] | 690 | |
| 691 | // we do not add fake gateway ARP rules for FLAT network |
| 692 | // ARP packets generated by FLAT typed VM should not be |
| 693 | // delegated to switch to handle |
| 694 | osNetworkService.subnets().stream().filter(subnet -> |
| 695 | osNetworkService.network(subnet.getNetworkId()) != null && |
| 696 | osNetworkService.network(subnet.getNetworkId()) |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 697 | .getNetworkType() != NetworkType.FLAT) |
Jian Li | e2e03a5 | 2018-07-05 23:35:02 +0900 | [diff] [blame] | 698 | .forEach(subnet -> |
| 699 | setFakeGatewayArpRule(subnet, install, osNode)); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 700 | break; |
| 701 | default: |
| 702 | log.warn("Invalid ARP mode {}. Please use either " + |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 703 | "broadcast or proxy mode.", getArpMode()); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 704 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 705 | } |
| 706 | } |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 707 | |
| 708 | private void setDefaultArpRuleForProxyMode(OpenstackNode osNode, boolean install) { |
| 709 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 710 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 711 | .build(); |
| 712 | |
| 713 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 714 | .punt() |
| 715 | .build(); |
| 716 | |
| 717 | osFlowRuleService.setRule( |
| 718 | appId, |
| 719 | osNode.intgBridge(), |
| 720 | selector, |
| 721 | treatment, |
| 722 | PRIORITY_ARP_CONTROL_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 723 | ARP_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 724 | install |
| 725 | ); |
| 726 | } |
| 727 | |
| 728 | private void setDefaultArpRuleForBroadcastMode(OpenstackNode osNode, boolean install) { |
| 729 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 730 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 731 | .matchArpOp(ARP.OP_REQUEST) |
| 732 | .build(); |
| 733 | |
| 734 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 735 | .setOutput(PortNumber.FLOOD) |
| 736 | .build(); |
| 737 | |
| 738 | osFlowRuleService.setRule( |
| 739 | appId, |
| 740 | osNode.intgBridge(), |
| 741 | selector, |
| 742 | treatment, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 743 | PRIORITY_ARP_FLOOD_RULE, |
| 744 | ARP_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 745 | install |
| 746 | ); |
| 747 | } |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 748 | |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 749 | private void setAllArpRules(OpenstackNode osNode, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 750 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 751 | instancePortService.instancePorts().stream() |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 752 | .filter(p -> p.state() == ACTIVE) |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 753 | .filter(p -> p.deviceId().equals(osNode.intgBridge())) |
| 754 | .forEach(p -> { |
| 755 | setArpRequestRule(p, install); |
| 756 | setArpReplyRule(p, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 757 | }); |
| 758 | } |
| 759 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 760 | } |
| 761 | |
| 762 | /** |
| 763 | * An internal instance port listener which listens the port events generated |
| 764 | * from VM. When ARP a host which located in a remote compute node, we specify |
| 765 | * both ARP OP mode as REQUEST and Target Protocol Address (TPA) with |
| 766 | * host IP address. When ARP a host which located in a local compute node, |
| 767 | * we specify only ARP OP mode as REQUEST. |
| 768 | */ |
| 769 | private class InternalInstancePortListener implements InstancePortListener { |
| 770 | |
| 771 | @Override |
| 772 | public boolean isRelevant(InstancePortEvent event) { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 773 | return ARP_BROADCAST_MODE.equals(getArpMode()); |
| 774 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 775 | |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 776 | private boolean isRelevantHelper(InstancePortEvent event) { |
| 777 | return mastershipService.isLocalMaster(event.subject().deviceId()); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 778 | } |
| 779 | |
| 780 | @Override |
| 781 | public void event(InstancePortEvent event) { |
| 782 | switch (event.type()) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 783 | case OPENSTACK_INSTANCE_PORT_DETECTED: |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 784 | case OPENSTACK_INSTANCE_PORT_UPDATED: |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 785 | case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 786 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 787 | |
| 788 | if (!isRelevantHelper(event)) { |
| 789 | return; |
| 790 | } |
| 791 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 792 | setArpRequestRule(event.subject(), true); |
| 793 | setArpReplyRule(event.subject(), true); |
| 794 | }); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 795 | break; |
| 796 | case OPENSTACK_INSTANCE_PORT_VANISHED: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 797 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 798 | |
| 799 | if (!isRelevantHelper(event)) { |
| 800 | return; |
| 801 | } |
| 802 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 803 | setArpRequestRule(event.subject(), false); |
| 804 | setArpReplyRule(event.subject(), false); |
| 805 | }); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 806 | break; |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 807 | case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 808 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 809 | |
| 810 | if (!isRelevantHelper(event)) { |
| 811 | return; |
| 812 | } |
| 813 | |
Jian Li | 32b0362 | 2018-11-06 17:54:24 +0900 | [diff] [blame] | 814 | InstancePort revisedInstPort = swapStaleLocation(event.subject()); |
| 815 | setArpRequestRule(revisedInstPort, false); |
| 816 | }); |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 817 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 818 | default: |
| 819 | break; |
| 820 | } |
| 821 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 822 | } |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 823 | } |