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; |
| 25 | import org.onlab.util.Tools; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 26 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 27 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 28 | import org.onosproject.cluster.ClusterService; |
| 29 | import org.onosproject.cluster.LeadershipService; |
| 30 | import org.onosproject.cluster.NodeId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 31 | import org.onosproject.core.ApplicationId; |
| 32 | import org.onosproject.core.CoreService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 33 | import org.onosproject.mastership.MastershipService; |
| 34 | import org.onosproject.net.PortNumber; |
| 35 | import org.onosproject.net.device.DeviceService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 36 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 37 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 38 | import org.onosproject.net.flow.TrafficSelector; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 39 | import org.onosproject.net.flow.TrafficTreatment; |
| 40 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 41 | import org.onosproject.net.packet.PacketContext; |
| 42 | import org.onosproject.net.packet.PacketProcessor; |
| 43 | import org.onosproject.net.packet.PacketService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 44 | import org.onosproject.openstacknetworking.api.InstancePort; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 45 | import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| 46 | import org.onosproject.openstacknetworking.api.InstancePortListener; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 47 | import org.onosproject.openstacknetworking.api.InstancePortService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 48 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 49 | import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent; |
| 50 | import org.onosproject.openstacknetworking.api.OpenstackNetworkListener; |
| 51 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 52 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 53 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 54 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| 55 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
| 56 | import org.openstack4j.model.network.Network; |
| 57 | import org.openstack4j.model.network.NetworkType; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 58 | import org.openstack4j.model.network.Subnet; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 59 | import org.osgi.service.component.ComponentContext; |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 60 | import org.osgi.service.component.annotations.Activate; |
| 61 | import org.osgi.service.component.annotations.Component; |
| 62 | import org.osgi.service.component.annotations.Deactivate; |
| 63 | import org.osgi.service.component.annotations.Modified; |
| 64 | import org.osgi.service.component.annotations.Reference; |
| 65 | import org.osgi.service.component.annotations.ReferenceCardinality; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 66 | import org.slf4j.Logger; |
| 67 | import org.slf4j.LoggerFactory; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 68 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 69 | import java.nio.ByteBuffer; |
| 70 | import java.util.Dictionary; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 71 | import java.util.Objects; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 72 | import java.util.Set; |
| 73 | |
| 74 | import static com.google.common.base.Preconditions.checkNotNull; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 75 | import static org.onosproject.openstacknetworking.api.Constants.ARP_BROADCAST_MODE; |
| 76 | import static org.onosproject.openstacknetworking.api.Constants.ARP_PROXY_MODE; |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 77 | import static org.onosproject.openstacknetworking.api.Constants.ARP_TABLE; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 78 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 79 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_CONTROL_RULE; |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 80 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_FLOOD_RULE; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 81 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 82 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_REPLY_RULE; |
| 83 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_REQUEST_RULE; |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 84 | import static org.onosproject.openstacknetworking.api.InstancePort.State.ACTIVE; |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame^] | 85 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.ARP_MODE; |
| 86 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.ARP_MODE_DEFAULT; |
| 87 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.GATEWAY_MAC; |
| 88 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.GATEWAY_MAC_DEFAULT; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 89 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValue; |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 90 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 91 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension; |
| 92 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 93 | |
| 94 | /** |
| 95 | * Handles ARP packet from VMs. |
| 96 | */ |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame^] | 97 | @Component( |
| 98 | immediate = true, |
| 99 | property = { |
| 100 | GATEWAY_MAC + "=" + GATEWAY_MAC_DEFAULT, |
| 101 | ARP_MODE + "=" + ARP_MODE_DEFAULT, |
| 102 | } |
| 103 | ) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 104 | public final class OpenstackSwitchingArpHandler { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 105 | |
| 106 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 107 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 108 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 109 | CoreService coreService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 110 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 111 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 112 | PacketService packetService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 113 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 114 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 115 | OpenstackFlowRuleService osFlowRuleService; |
| 116 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 117 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 118 | ComponentConfigService configService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 119 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 120 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 121 | ClusterService clusterService; |
| 122 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 123 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 124 | LeadershipService leadershipService; |
| 125 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 126 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 127 | DeviceService deviceService; |
| 128 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 129 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 130 | MastershipService mastershipService; |
| 131 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 132 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 133 | InstancePortService instancePortService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 134 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 135 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 136 | OpenstackNetworkService osNetworkService; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 137 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 138 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 139 | protected OpenstackNodeService osNodeService; |
| 140 | |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame^] | 141 | /** Fake MAC address for virtual network subnet gateway. */ |
| 142 | private String gatewayMac = GATEWAY_MAC_DEFAULT; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 143 | |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame^] | 144 | /** ARP processing mode, broadcast | proxy (default). */ |
| 145 | protected String arpMode = ARP_MODE_DEFAULT; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 146 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 147 | private final InternalPacketProcessor packetProcessor = new InternalPacketProcessor(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 148 | private final InternalOpenstackNetworkListener osNetworkListener = |
| 149 | new InternalOpenstackNetworkListener(); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 150 | private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| 151 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
| 152 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 153 | |
| 154 | private ApplicationId appId; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 155 | private NodeId localNodeId; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 156 | |
| 157 | @Activate |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 158 | void activate() { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 159 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 160 | configService.registerProperties(getClass()); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 161 | localNodeId = clusterService.getLocalNode().id(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 162 | osNetworkService.addListener(osNetworkListener); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 163 | osNodeService.addListener(osNodeListener); |
| 164 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 165 | packetService.addProcessor(packetProcessor, PacketProcessor.director(0)); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 166 | |
| 167 | instancePortService.addListener(instancePortListener); |
| 168 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 169 | log.info("Started"); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | @Deactivate |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 173 | void deactivate() { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 174 | packetService.removeProcessor(packetProcessor); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 175 | osNetworkService.removeListener(osNetworkListener); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 176 | osNodeService.removeListener(osNodeListener); |
| 177 | instancePortService.removeListener(instancePortListener); |
| 178 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 179 | configService.unregisterProperties(getClass(), false); |
| 180 | |
| 181 | log.info("Stopped"); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | @Modified |
Ray Milkey | 9c9cde4 | 2018-01-12 14:22:06 -0800 | [diff] [blame] | 185 | void modified(ComponentContext context) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 186 | readComponentConfiguration(context); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 187 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 188 | log.info("Modified"); |
| 189 | } |
| 190 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 191 | private String getArpMode() { |
| 192 | Set<ConfigProperty> properties = configService.getProperties(this.getClass().getName()); |
| 193 | return getPropertyValue(properties, ARP_MODE); |
| 194 | } |
| 195 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 196 | /** |
| 197 | * Processes ARP request packets. |
| 198 | * It checks if the target IP is owned by a known host first and then ask to |
| 199 | * OpenStack if it's not. This ARP proxy does not support overlapping IP. |
| 200 | * |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 201 | * @param context packet context |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 202 | * @param ethPacket ethernet packet |
| 203 | */ |
| 204 | private void processPacketIn(PacketContext context, Ethernet ethPacket) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 205 | |
| 206 | // 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] | 207 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 208 | return; |
| 209 | } |
| 210 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 211 | ARP arpPacket = (ARP) ethPacket.getPayload(); |
| 212 | if (arpPacket.getOpCode() != ARP.OP_REQUEST) { |
| 213 | return; |
| 214 | } |
| 215 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 216 | InstancePort srcInstPort = instancePortService.instancePort(ethPacket.getSourceMAC()); |
| 217 | if (srcInstPort == null) { |
| 218 | log.trace("Failed to find source instance port(MAC:{})", |
| 219 | ethPacket.getSourceMAC()); |
| 220 | return; |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 221 | } |
| 222 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 223 | IpAddress targetIp = Ip4Address.valueOf(arpPacket.getTargetProtocolAddress()); |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 224 | |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 225 | MacAddress replyMac = isGatewayIp(targetIp) ? MacAddress.valueOf(gatewayMac) : |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 226 | getMacFromHostOpenstack(targetIp, srcInstPort.networkId()); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 227 | if (replyMac == MacAddress.NONE) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 228 | log.trace("Failed to find MAC address for {}", targetIp); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 229 | return; |
| 230 | } |
| 231 | |
| 232 | Ethernet ethReply = ARP.buildArpReply( |
| 233 | targetIp.getIp4Address(), |
| 234 | replyMac, |
| 235 | ethPacket); |
| 236 | |
| 237 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 238 | .setOutput(context.inPacket().receivedFrom().port()) |
| 239 | .build(); |
| 240 | |
| 241 | packetService.emit(new DefaultOutboundPacket( |
| 242 | context.inPacket().receivedFrom().deviceId(), |
| 243 | treatment, |
| 244 | ByteBuffer.wrap(ethReply.serialize()))); |
| 245 | } |
| 246 | |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 247 | /** |
| 248 | * Denotes whether the given target IP is gateway IP. |
| 249 | * |
| 250 | * @param targetIp target IP address |
| 251 | * @return true if the given targetIP is gateway IP, false otherwise. |
| 252 | */ |
| 253 | private boolean isGatewayIp(IpAddress targetIp) { |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 254 | return osNetworkService.subnets().stream() |
Jian Li | ac30e27 | 2018-10-18 23:08:03 +0900 | [diff] [blame] | 255 | .filter(Objects::nonNull) |
| 256 | .filter(subnet -> subnet.getGateway() != null) |
Daniel Park | 4d7f88b | 2018-09-19 19:03:38 +0900 | [diff] [blame] | 257 | .anyMatch(subnet -> subnet.getGateway().equals(targetIp.toString())); |
| 258 | } |
| 259 | |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 260 | /** |
| 261 | * 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] | 262 | * instance port service. |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 263 | * |
| 264 | * @param targetIp target ip |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 265 | * @param osNetId openstack network id of the source instance port |
| 266 | * @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] | 267 | */ |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 268 | private MacAddress getMacFromHostOpenstack(IpAddress targetIp, String osNetId) { |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 269 | checkNotNull(targetIp); |
| 270 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 271 | InstancePort instPort = instancePortService.instancePort(targetIp, osNetId); |
| 272 | if (instPort != null) { |
| 273 | log.trace("Found MAC from host service for {}", targetIp); |
| 274 | return instPort.macAddress(); |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 275 | } else { |
| 276 | return MacAddress.NONE; |
| 277 | } |
| 278 | } |
| 279 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 280 | /** |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 281 | * Installs flow rules which convert ARP request packet into ARP reply |
| 282 | * by adding a fake gateway MAC address as Source Hardware Address. |
| 283 | * |
| 284 | * @param osSubnet openstack subnet |
| 285 | * @param install flag which indicates whether to install rule or remove rule |
| 286 | */ |
| 287 | private void setFakeGatewayArpRule(Subnet osSubnet, boolean install, OpenstackNode osNode) { |
| 288 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 289 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 8e365bd | 2018-10-12 22:09:03 +0900 | [diff] [blame] | 290 | |
| 291 | // do not remove fake gateway ARP rules, if there is another gateway |
| 292 | // which has the same subnet that to be removed |
| 293 | // this only occurs if we have duplicated subnets associated with |
| 294 | // different networks |
| 295 | if (!install) { |
| 296 | long numOfDupGws = osNetworkService.subnets().stream() |
| 297 | .filter(s -> !s.getId().equals(osSubnet.getId())) |
Jian Li | 7ce775a | 2018-10-18 07:24:53 +0900 | [diff] [blame] | 298 | .filter(s -> s.getGateway() != null) |
Jian Li | 8e365bd | 2018-10-12 22:09:03 +0900 | [diff] [blame] | 299 | .filter(s -> s.getGateway().equals(osSubnet.getGateway())) |
| 300 | .count(); |
| 301 | if (numOfDupGws > 0) { |
| 302 | return; |
| 303 | } |
| 304 | } |
| 305 | |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 306 | String gateway = osSubnet.getGateway(); |
| 307 | |
| 308 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 309 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 310 | .matchArpOp(ARP.OP_REQUEST) |
| 311 | .matchArpTpa(Ip4Address.valueOf(gateway)) |
| 312 | .build(); |
| 313 | |
| 314 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 315 | .setArpOp(ARP.OP_REPLY) |
| 316 | .setArpSha(MacAddress.valueOf(gatewayMac)) |
| 317 | .setArpSpa(Ip4Address.valueOf(gateway)) |
| 318 | .setOutput(PortNumber.IN_PORT) |
| 319 | .build(); |
| 320 | |
| 321 | if (osNode == null) { |
| 322 | osNodeService.completeNodes(COMPUTE).forEach(n -> |
| 323 | osFlowRuleService.setRule( |
| 324 | appId, |
| 325 | n.intgBridge(), |
| 326 | selector, |
| 327 | treatment, |
| 328 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 329 | ARP_TABLE, |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 330 | install |
| 331 | ) |
| 332 | ); |
| 333 | } else { |
| 334 | osFlowRuleService.setRule( |
| 335 | appId, |
| 336 | osNode.intgBridge(), |
| 337 | selector, |
| 338 | treatment, |
| 339 | PRIORITY_ARP_GATEWAY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 340 | ARP_TABLE, |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 341 | install |
| 342 | ); |
| 343 | } |
| 344 | |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | /** |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 349 | * Installs flow rules to match ARP request packets. |
| 350 | * |
| 351 | * @param port instance port |
| 352 | * @param install installation flag |
| 353 | */ |
| 354 | private void setArpRequestRule(InstancePort port, boolean install) { |
| 355 | NetworkType type = osNetworkService.network(port.networkId()).getNetworkType(); |
| 356 | |
| 357 | switch (type) { |
| 358 | case VXLAN: |
| 359 | setRemoteArpRequestRuleForVxlan(port, install); |
| 360 | break; |
| 361 | case VLAN: |
| 362 | // since VLAN ARP packet can be broadcasted to all hosts that connected with L2 network, |
| 363 | // there is no need to add any flow rules to handle ARP request |
| 364 | break; |
| 365 | default: |
| 366 | break; |
| 367 | } |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Installs flow rules to match ARP reply packets. |
| 372 | * |
| 373 | * @param port instance port |
| 374 | * @param install installation flag |
| 375 | */ |
| 376 | private void setArpReplyRule(InstancePort port, boolean install) { |
| 377 | NetworkType type = osNetworkService.network(port.networkId()).getNetworkType(); |
| 378 | |
| 379 | switch (type) { |
| 380 | case VXLAN: |
| 381 | setArpReplyRuleForVxlan(port, install); |
| 382 | break; |
| 383 | case VLAN: |
| 384 | setArpReplyRuleForVlan(port, install); |
| 385 | break; |
| 386 | default: |
| 387 | break; |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | /** |
| 392 | * Installs flow rules to match ARP request packets only for VxLAN. |
| 393 | * |
| 394 | * @param port instance port |
| 395 | * @param install installation flag |
| 396 | */ |
| 397 | private void setRemoteArpRequestRuleForVxlan(InstancePort port, boolean install) { |
| 398 | |
| 399 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 400 | |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 401 | String segId = osNetworkService.segmentId(port.networkId()); |
| 402 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 403 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 404 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 405 | .matchArpOp(ARP.OP_REQUEST) |
| 406 | .matchArpTpa(port.ipAddress().getIp4Address()) |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 407 | .matchTunnelId(Long.valueOf(segId)) |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 408 | .build(); |
| 409 | |
| 410 | setRemoteArpTreatmentForVxlan(selector, port, localNode, install); |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Installs flow rules to match ARP reply packets only for VxLAN. |
| 415 | * |
| 416 | * @param port instance port |
| 417 | * @param install installation flag |
| 418 | */ |
| 419 | private void setArpReplyRuleForVxlan(InstancePort port, boolean install) { |
| 420 | |
| 421 | OpenstackNode localNode = osNodeService.node(port.deviceId()); |
| 422 | |
| 423 | TrafficSelector selector = setArpReplyRuleForVnet(port, install); |
| 424 | setRemoteArpTreatmentForVxlan(selector, port, localNode, install); |
| 425 | } |
| 426 | |
| 427 | /** |
| 428 | * Installs flow rules to match ARP reply packets only for VLAN. |
| 429 | * |
| 430 | * @param port instance port |
| 431 | * @param install installation flag |
| 432 | */ |
| 433 | private void setArpReplyRuleForVlan(InstancePort port, boolean install) { |
| 434 | |
| 435 | TrafficSelector selector = setArpReplyRuleForVnet(port, install); |
| 436 | setRemoteArpTreatmentForVlan(selector, port, install); |
| 437 | } |
| 438 | |
| 439 | // a helper method |
| 440 | private TrafficSelector setArpReplyRuleForVnet(InstancePort port, boolean install) { |
| 441 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 442 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 443 | .matchArpOp(ARP.OP_REPLY) |
| 444 | .matchArpTpa(port.ipAddress().getIp4Address()) |
| 445 | .matchArpTha(port.macAddress()) |
| 446 | .build(); |
| 447 | |
| 448 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 449 | .setOutput(port.portNumber()) |
| 450 | .build(); |
| 451 | |
| 452 | osFlowRuleService.setRule( |
| 453 | appId, |
| 454 | port.deviceId(), |
| 455 | selector, |
| 456 | treatment, |
| 457 | PRIORITY_ARP_REPLY_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 458 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 459 | install |
| 460 | ); |
| 461 | |
| 462 | return selector; |
| 463 | } |
| 464 | |
| 465 | // a helper method |
| 466 | private void setRemoteArpTreatmentForVxlan(TrafficSelector selector, |
| 467 | InstancePort port, |
| 468 | OpenstackNode localNode, |
| 469 | boolean install) { |
| 470 | for (OpenstackNode remoteNode : osNodeService.completeNodes(COMPUTE)) { |
| 471 | if (!remoteNode.intgBridge().equals(port.deviceId())) { |
| 472 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 473 | .extension(buildExtension( |
| 474 | deviceService, |
| 475 | remoteNode.intgBridge(), |
| 476 | localNode.dataIp().getIp4Address()), |
| 477 | remoteNode.intgBridge()) |
| 478 | .setOutput(remoteNode.tunnelPortNum()) |
| 479 | .build(); |
| 480 | |
| 481 | osFlowRuleService.setRule( |
| 482 | appId, |
| 483 | remoteNode.intgBridge(), |
| 484 | selector, |
| 485 | treatmentToRemote, |
| 486 | PRIORITY_ARP_REQUEST_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 487 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 488 | install |
| 489 | ); |
| 490 | } |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | // a helper method |
| 495 | private void setRemoteArpTreatmentForVlan(TrafficSelector selector, |
| 496 | InstancePort port, |
| 497 | boolean install) { |
| 498 | for (OpenstackNode remoteNode : osNodeService.completeNodes(COMPUTE)) { |
| 499 | if (!remoteNode.intgBridge().equals(port.deviceId()) && remoteNode.vlanIntf() != null) { |
| 500 | TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| 501 | .setOutput(remoteNode.vlanPortNum()) |
| 502 | .build(); |
| 503 | |
| 504 | osFlowRuleService.setRule( |
| 505 | appId, |
| 506 | remoteNode.intgBridge(), |
| 507 | selector, |
| 508 | treatmentToRemote, |
| 509 | PRIORITY_ARP_REQUEST_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 510 | ARP_TABLE, |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 511 | install); |
| 512 | } |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | /** |
| 517 | * Extracts properties from the component configuration context. |
| 518 | * |
| 519 | * @param context the component context |
| 520 | */ |
| 521 | private void readComponentConfiguration(ComponentContext context) { |
| 522 | Dictionary<?, ?> properties = context.getProperties(); |
| 523 | |
| 524 | String updatedMac = Tools.get(properties, GATEWAY_MAC); |
Ray Milkey | 8e40651 | 2018-10-24 15:56:50 -0700 | [diff] [blame^] | 525 | gatewayMac = updatedMac != null ? updatedMac : GATEWAY_MAC_DEFAULT; |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 526 | log.info("Configured. Gateway MAC is {}", gatewayMac); |
| 527 | } |
| 528 | |
| 529 | /** |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 530 | * An internal packet processor which processes ARP request, and results in |
| 531 | * packet-out ARP reply. |
| 532 | */ |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 533 | private class InternalPacketProcessor implements PacketProcessor { |
| 534 | |
| 535 | @Override |
| 536 | public void process(PacketContext context) { |
| 537 | if (context.isHandled()) { |
| 538 | return; |
| 539 | } |
| 540 | |
| 541 | Ethernet ethPacket = context.inPacket().parsed(); |
| 542 | if (ethPacket == null || ethPacket.getEtherType() != Ethernet.TYPE_ARP) { |
| 543 | return; |
| 544 | } |
| 545 | processPacketIn(context, ethPacket); |
| 546 | } |
| 547 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 548 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 549 | /** |
| 550 | * An internal network listener which listens to openstack network event, |
| 551 | * manages the gateway collection and installs flow rule that handles |
| 552 | * ARP request in data plane. |
| 553 | */ |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 554 | private class InternalOpenstackNetworkListener implements OpenstackNetworkListener { |
| 555 | |
| 556 | @Override |
| 557 | public boolean isRelevant(OpenstackNetworkEvent event) { |
| 558 | Subnet osSubnet = event.subnet(); |
| 559 | if (osSubnet == null) { |
| 560 | return false; |
| 561 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 562 | |
Jian Li | bb4f541 | 2018-04-12 09:48:50 +0900 | [diff] [blame] | 563 | Network network = osNetworkService.network(osSubnet.getNetworkId()); |
| 564 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 565 | if (network == null) { |
| 566 | log.warn("Network is not specified."); |
| 567 | return false; |
| 568 | } else { |
| 569 | if (network.getNetworkType().equals(NetworkType.FLAT)) { |
| 570 | return false; |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | // do not allow to proceed without leadership |
| 575 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 576 | if (!Objects.equals(localNodeId, leader)) { |
| 577 | return false; |
| 578 | } |
| 579 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 580 | return !Strings.isNullOrEmpty(osSubnet.getGateway()); |
| 581 | } |
| 582 | |
| 583 | @Override |
| 584 | public void event(OpenstackNetworkEvent event) { |
| 585 | switch (event.type()) { |
| 586 | case OPENSTACK_SUBNET_CREATED: |
| 587 | case OPENSTACK_SUBNET_UPDATED: |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 588 | setFakeGatewayArpRule(event.subnet(), true, null); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 589 | break; |
| 590 | case OPENSTACK_SUBNET_REMOVED: |
Daniel Park | 613ac37 | 2018-06-28 14:30:11 +0900 | [diff] [blame] | 591 | setFakeGatewayArpRule(event.subnet(), false, null); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 592 | break; |
| 593 | case OPENSTACK_NETWORK_CREATED: |
| 594 | case OPENSTACK_NETWORK_UPDATED: |
| 595 | case OPENSTACK_NETWORK_REMOVED: |
| 596 | case OPENSTACK_PORT_CREATED: |
| 597 | case OPENSTACK_PORT_UPDATED: |
| 598 | case OPENSTACK_PORT_REMOVED: |
| 599 | default: |
| 600 | // do nothing for the other events |
| 601 | break; |
| 602 | } |
| 603 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 604 | } |
| 605 | |
| 606 | /** |
| 607 | * An internal openstack node listener which is used for listening openstack |
| 608 | * node activity. As long as a node is in complete state, we will install |
| 609 | * default ARP rule to handle ARP request. |
| 610 | */ |
| 611 | private class InternalNodeEventListener implements OpenstackNodeListener { |
| 612 | |
| 613 | @Override |
| 614 | public boolean isRelevant(OpenstackNodeEvent event) { |
Jian Li | f7934d5 | 2018-07-10 16:27:02 +0900 | [diff] [blame] | 615 | |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 616 | // do not allow to proceed without leadership |
| 617 | NodeId leader = leadershipService.getLeader(appId.name()); |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 618 | return Objects.equals(localNodeId, leader) && event.subject().type() == COMPUTE; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 619 | } |
| 620 | |
| 621 | @Override |
| 622 | public void event(OpenstackNodeEvent event) { |
| 623 | OpenstackNode osNode = event.subject(); |
| 624 | switch (event.type()) { |
| 625 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 626 | setDefaultArpRule(osNode, true); |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 627 | setAllArpRules(osNode, true); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 628 | break; |
| 629 | case OPENSTACK_NODE_INCOMPLETE: |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame] | 630 | setDefaultArpRule(osNode, false); |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 631 | setAllArpRules(osNode, false); |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 632 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 633 | default: |
| 634 | break; |
| 635 | } |
| 636 | } |
| 637 | |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 638 | private void setDefaultArpRule(OpenstackNode osNode, boolean install) { |
Jian Li | bcc4228 | 2018-09-13 20:59:34 +0900 | [diff] [blame] | 639 | |
| 640 | if (getArpMode() == null) { |
| 641 | return; |
| 642 | } |
| 643 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 644 | switch (getArpMode()) { |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 645 | case ARP_PROXY_MODE: |
| 646 | setDefaultArpRuleForProxyMode(osNode, install); |
| 647 | break; |
| 648 | case ARP_BROADCAST_MODE: |
| 649 | setDefaultArpRuleForBroadcastMode(osNode, install); |
Jian Li | e2e03a5 | 2018-07-05 23:35:02 +0900 | [diff] [blame] | 650 | |
| 651 | // we do not add fake gateway ARP rules for FLAT network |
| 652 | // ARP packets generated by FLAT typed VM should not be |
| 653 | // delegated to switch to handle |
| 654 | osNetworkService.subnets().stream().filter(subnet -> |
| 655 | osNetworkService.network(subnet.getNetworkId()) != null && |
| 656 | osNetworkService.network(subnet.getNetworkId()) |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 657 | .getNetworkType() != NetworkType.FLAT) |
Jian Li | e2e03a5 | 2018-07-05 23:35:02 +0900 | [diff] [blame] | 658 | .forEach(subnet -> |
| 659 | setFakeGatewayArpRule(subnet, install, osNode)); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 660 | break; |
| 661 | default: |
| 662 | log.warn("Invalid ARP mode {}. Please use either " + |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 663 | "broadcast or proxy mode.", getArpMode()); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 664 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 665 | } |
| 666 | } |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 667 | |
| 668 | private void setDefaultArpRuleForProxyMode(OpenstackNode osNode, boolean install) { |
| 669 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 670 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 671 | .build(); |
| 672 | |
| 673 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 674 | .punt() |
| 675 | .build(); |
| 676 | |
| 677 | osFlowRuleService.setRule( |
| 678 | appId, |
| 679 | osNode.intgBridge(), |
| 680 | selector, |
| 681 | treatment, |
| 682 | PRIORITY_ARP_CONTROL_RULE, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 683 | ARP_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 684 | install |
| 685 | ); |
| 686 | } |
| 687 | |
| 688 | private void setDefaultArpRuleForBroadcastMode(OpenstackNode osNode, boolean install) { |
| 689 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 690 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 691 | .matchArpOp(ARP.OP_REQUEST) |
| 692 | .build(); |
| 693 | |
| 694 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 695 | .setOutput(PortNumber.FLOOD) |
| 696 | .build(); |
| 697 | |
| 698 | osFlowRuleService.setRule( |
| 699 | appId, |
| 700 | osNode.intgBridge(), |
| 701 | selector, |
| 702 | treatment, |
Jian Li | 5c09e21 | 2018-10-24 18:23:58 +0900 | [diff] [blame] | 703 | PRIORITY_ARP_FLOOD_RULE, |
| 704 | ARP_TABLE, |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 705 | install |
| 706 | ); |
| 707 | } |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 708 | |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 709 | private void setAllArpRules(OpenstackNode osNode, boolean install) { |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 710 | if (ARP_BROADCAST_MODE.equals(getArpMode())) { |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 711 | instancePortService.instancePorts().stream() |
Jian Li | c240359 | 2018-07-18 12:56:45 +0900 | [diff] [blame] | 712 | .filter(p -> p.state() == ACTIVE) |
Jian Li | 5b66ce0 | 2018-07-09 22:43:54 +0900 | [diff] [blame] | 713 | .filter(p -> p.deviceId().equals(osNode.intgBridge())) |
| 714 | .forEach(p -> { |
| 715 | setArpRequestRule(p, install); |
| 716 | setArpReplyRule(p, install); |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 717 | }); |
| 718 | } |
| 719 | } |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 720 | } |
| 721 | |
| 722 | /** |
| 723 | * An internal instance port listener which listens the port events generated |
| 724 | * from VM. When ARP a host which located in a remote compute node, we specify |
| 725 | * both ARP OP mode as REQUEST and Target Protocol Address (TPA) with |
| 726 | * host IP address. When ARP a host which located in a local compute node, |
| 727 | * we specify only ARP OP mode as REQUEST. |
| 728 | */ |
| 729 | private class InternalInstancePortListener implements InstancePortListener { |
| 730 | |
| 731 | @Override |
| 732 | public boolean isRelevant(InstancePortEvent event) { |
| 733 | |
Jian Li | 7f70bb7 | 2018-07-06 23:35:30 +0900 | [diff] [blame] | 734 | if (ARP_PROXY_MODE.equals(getArpMode())) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 735 | return false; |
| 736 | } |
| 737 | |
| 738 | InstancePort instPort = event.subject(); |
| 739 | return mastershipService.isLocalMaster(instPort.deviceId()); |
| 740 | } |
| 741 | |
| 742 | @Override |
| 743 | public void event(InstancePortEvent event) { |
| 744 | switch (event.type()) { |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 745 | case OPENSTACK_INSTANCE_PORT_DETECTED: |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 746 | case OPENSTACK_INSTANCE_PORT_UPDATED: |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 747 | setArpRequestRule(event.subject(), true); |
| 748 | setArpReplyRule(event.subject(), true); |
| 749 | break; |
| 750 | case OPENSTACK_INSTANCE_PORT_VANISHED: |
| 751 | setArpRequestRule(event.subject(), false); |
| 752 | setArpReplyRule(event.subject(), false); |
| 753 | break; |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 754 | case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
| 755 | setArpRequestRule(event.subject(), true); |
| 756 | setArpReplyRule(event.subject(), true); |
| 757 | break; |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 758 | case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
Jian Li | ec5c32b | 2018-07-13 14:28:58 +0900 | [diff] [blame] | 759 | InstancePort revisedInstPort = swapStaleLocation(event.subject()); |
| 760 | setArpRequestRule(revisedInstPort, false); |
Jian Li | 24ec59f | 2018-05-23 19:01:25 +0900 | [diff] [blame] | 761 | break; |
Jian Li | eae1236 | 2018-04-10 18:48:32 +0900 | [diff] [blame] | 762 | default: |
| 763 | break; |
| 764 | } |
| 765 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 766 | } |
Hyunsun Moon | b974fca | 2016-06-30 21:20:39 -0700 | [diff] [blame] | 767 | } |