Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 16 | package org.onosproject.openstacknetworking.impl; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 17 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 18 | import com.google.common.base.Strings; |
| 19 | import com.google.common.collect.Maps; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 23 | import org.apache.felix.scr.annotations.Modified; |
| 24 | import org.apache.felix.scr.annotations.Property; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 25 | import org.apache.felix.scr.annotations.Reference; |
| 26 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 27 | import org.onlab.packet.ARP; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 28 | import org.onlab.packet.EthType; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 29 | import org.onlab.packet.Ethernet; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 30 | import org.onlab.packet.Ip4Address; |
| 31 | import org.onlab.packet.IpAddress; |
| 32 | import org.onlab.packet.MacAddress; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 33 | import org.onlab.util.Tools; |
| 34 | import org.onosproject.cfg.ComponentConfigService; |
| 35 | import org.onosproject.cluster.ClusterService; |
| 36 | import org.onosproject.cluster.LeadershipService; |
| 37 | import org.onosproject.cluster.NodeId; |
| 38 | import org.onosproject.core.ApplicationId; |
| 39 | import org.onosproject.core.CoreService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 40 | import org.onosproject.net.DeviceId; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 41 | import org.onosproject.net.Host; |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 42 | import org.onosproject.net.PortNumber; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 43 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 44 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 45 | import org.onosproject.net.flow.TrafficSelector; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 46 | import org.onosproject.net.flow.TrafficTreatment; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 47 | import org.onosproject.net.host.HostEvent; |
| 48 | import org.onosproject.net.host.HostListener; |
| 49 | import org.onosproject.net.host.HostService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 50 | import org.onosproject.net.packet.DefaultOutboundPacket; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 51 | import org.onosproject.net.packet.InboundPacket; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 52 | import org.onosproject.net.packet.PacketContext; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 53 | import org.onosproject.net.packet.PacketProcessor; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 54 | import org.onosproject.net.packet.PacketService; |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 55 | import org.onosproject.openstacknetworking.api.Constants; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 56 | import org.onosproject.openstacknetworking.api.InstancePort; |
| 57 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 58 | import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 59 | import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| 60 | import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 61 | import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 62 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 63 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 64 | import org.openstack4j.model.network.ExternalGateway; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 65 | import org.openstack4j.model.network.NetFloatingIP; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 66 | import org.openstack4j.model.network.Port; |
| 67 | import org.openstack4j.model.network.Router; |
| 68 | import org.openstack4j.model.network.Subnet; |
| 69 | import org.osgi.service.component.ComponentContext; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 70 | import org.slf4j.Logger; |
| 71 | |
| 72 | import java.nio.ByteBuffer; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 73 | import java.util.Dictionary; |
| 74 | import java.util.Map; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 75 | import java.util.Objects; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 76 | import java.util.Optional; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 77 | import java.util.Set; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 78 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 79 | import java.util.stream.Collectors; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 80 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 81 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 82 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 83 | import static org.onosproject.openstacknetworking.api.Constants.ARP_BROADCAST_MODE; |
| 84 | import static org.onosproject.openstacknetworking.api.Constants.ARP_PROXY_MODE; |
| 85 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_ARP_MODE_STR; |
| 86 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_GATEWAY_MAC_STR; |
| 87 | import static org.onosproject.openstacknetworking.api.Constants.GW_COMMON_TABLE; |
| 88 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
| 89 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 90 | import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_NETWORK_ID; |
| 91 | import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_PORT_ID; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 92 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 93 | import static org.slf4j.LoggerFactory.getLogger; |
| 94 | |
| 95 | /** |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 96 | * Handle ARP requests from gateway nodes. |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 97 | */ |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 98 | @Component(immediate = true) |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 99 | public class OpenstackRoutingArpHandler { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 100 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 101 | private final Logger log = getLogger(getClass()); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 102 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 103 | private static final String DEVICE_OWNER_ROUTER_GW = "network:router_gateway"; |
| 104 | private static final String DEVICE_OWNER_FLOATING_IP = "network:floatingip"; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 105 | private static final String ARP_MODE = "arpMode"; |
| 106 | |
| 107 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 108 | protected CoreService coreService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 109 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 110 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 111 | protected PacketService packetService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 112 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 113 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 114 | protected OpenstackNetworkAdminService osNetworkAdminService; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 115 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 117 | protected OpenstackRouterService osRouterService; |
| 118 | |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 120 | protected OpenstackNodeService osNodeService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 121 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 123 | protected ClusterService clusterService; |
| 124 | |
| 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 126 | protected LeadershipService leadershipService; |
| 127 | |
| 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 129 | protected OpenstackFlowRuleService osFlowRuleService; |
| 130 | |
| 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 132 | protected ComponentConfigService configService; |
| 133 | |
| 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 135 | protected HostService hostService; |
| 136 | |
| 137 | // TODO: need to find a way to unify aprMode and gatewayMac variables with |
| 138 | // that in SwitchingArpHandler |
| 139 | @Property(name = ARP_MODE, value = DEFAULT_ARP_MODE_STR, |
| 140 | label = "ARP processing mode, proxy (default) | broadcast ") |
| 141 | protected String arpMode = DEFAULT_ARP_MODE_STR; |
| 142 | |
| 143 | protected String gatewayMac = DEFAULT_GATEWAY_MAC_STR; |
| 144 | |
| 145 | private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
| 146 | private final HostListener hostListener = new InternalHostListener(); |
| 147 | |
| 148 | private ApplicationId appId; |
| 149 | private NodeId localNodeId; |
| 150 | private Map<String, String> floatingIpMacMap = Maps.newConcurrentMap(); |
| 151 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 152 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 153 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 154 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 155 | private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 156 | |
| 157 | @Activate |
| 158 | protected void activate() { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 159 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 160 | configService.registerProperties(getClass()); |
| 161 | localNodeId = clusterService.getLocalNode().id(); |
| 162 | osRouterService.addListener(osRouterListener); |
| 163 | hostService.addListener(hostListener); |
| 164 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 165 | packetService.addProcessor(packetProcessor, PacketProcessor.director(1)); |
| 166 | log.info("Started"); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 167 | } |
| 168 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 169 | @Deactivate |
| 170 | protected void deactivate() { |
| 171 | packetService.removeProcessor(packetProcessor); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 172 | hostService.removeListener(hostListener); |
| 173 | osRouterService.removeListener(osRouterListener); |
| 174 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 175 | eventExecutor.shutdown(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 176 | configService.unregisterProperties(getClass(), false); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 177 | log.info("Stopped"); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 178 | } |
| 179 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 180 | // TODO: need to find a way to unify aprMode and gatewayMac variables with |
| 181 | // that in SwitchingArpHandler |
| 182 | @Modified |
| 183 | void modified(ComponentContext context) { |
| 184 | Dictionary<?, ?> properties = context.getProperties(); |
| 185 | String updateArpMode; |
| 186 | |
| 187 | updateArpMode = Tools.get(properties, ARP_MODE); |
| 188 | if (!Strings.isNullOrEmpty(updateArpMode) && !updateArpMode.equals(arpMode)) { |
| 189 | arpMode = updateArpMode; |
| 190 | } |
| 191 | |
| 192 | log.info("Modified"); |
| 193 | } |
| 194 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 195 | private void processArpPacket(PacketContext context, Ethernet ethernet) { |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 196 | ARP arp = (ARP) ethernet.getPayload(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 197 | |
| 198 | if (arp.getOpCode() == ARP.OP_REQUEST && arpMode.equals(ARP_PROXY_MODE)) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 199 | if (log.isTraceEnabled()) { |
| 200 | log.trace("ARP request received from {} for {}", |
| 201 | Ip4Address.valueOf(arp.getSenderProtocolAddress()).toString(), |
| 202 | Ip4Address.valueOf(arp.getTargetProtocolAddress()).toString()); |
| 203 | } |
| 204 | |
| 205 | IpAddress targetIp = Ip4Address.valueOf(arp.getTargetProtocolAddress()); |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 206 | |
| 207 | MacAddress targetMac = null; |
| 208 | |
| 209 | NetFloatingIP floatingIP = osRouterService.floatingIps().stream() |
| 210 | .filter(ip -> ip.getFloatingIpAddress().equals(targetIp.toString())) |
| 211 | .findAny().orElse(null); |
| 212 | |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 213 | //In case target ip is for associated floating ip, sets target mac to vm's. |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 214 | if (floatingIP != null && floatingIP.getPortId() != null) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 215 | targetMac = MacAddress.valueOf(osNetworkAdminService.port( |
| 216 | floatingIP.getPortId()).getMacAddress()); |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | if (isExternalGatewaySourceIp(targetIp.getIp4Address())) { |
| 220 | targetMac = Constants.DEFAULT_GATEWAY_MAC; |
| 221 | } |
| 222 | |
| 223 | if (targetMac == null) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 224 | log.trace("Unknown target ARP request for {}, ignore it", targetIp); |
| 225 | return; |
| 226 | } |
| 227 | |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 228 | Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), |
| 229 | targetMac, ethernet); |
| 230 | |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 231 | |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 232 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 233 | .setOutput(context.inPacket().receivedFrom().port()).build(); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 234 | |
| 235 | packetService.emit(new DefaultOutboundPacket( |
| 236 | context.inPacket().receivedFrom().deviceId(), |
| 237 | treatment, |
| 238 | ByteBuffer.wrap(ethReply.serialize()))); |
| 239 | |
| 240 | context.block(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 241 | } |
| 242 | |
| 243 | if (arp.getOpCode() == ARP.OP_REPLY) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 244 | PortNumber receivedPortNum = context.inPacket().receivedFrom().port(); |
| 245 | log.debug("ARP reply ip: {}, mac: {}", |
| 246 | Ip4Address.valueOf(arp.getSenderProtocolAddress()), |
| 247 | MacAddress.valueOf(arp.getSenderHardwareAddress())); |
| 248 | try { |
| 249 | if (receivedPortNum.equals( |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 250 | osNodeService.node(context.inPacket().receivedFrom() |
| 251 | .deviceId()).uplinkPortNum())) { |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 252 | osNetworkAdminService.updateExternalPeerRouterMac( |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 253 | Ip4Address.valueOf(arp.getSenderProtocolAddress()), |
| 254 | MacAddress.valueOf(arp.getSenderHardwareAddress())); |
| 255 | } |
| 256 | } catch (Exception e) { |
| 257 | log.error("Exception occurred because of {}", e.toString()); |
| 258 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 259 | } |
| 260 | |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 261 | } |
| 262 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 263 | private class InternalPacketProcessor implements PacketProcessor { |
| 264 | |
| 265 | @Override |
| 266 | public void process(PacketContext context) { |
| 267 | if (context.isHandled()) { |
| 268 | return; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | Set<DeviceId> gateways = osNodeService.completeNodes(GATEWAY) |
| 272 | .stream().map(OpenstackNode::intgBridge) |
| 273 | .collect(Collectors.toSet()); |
| 274 | |
| 275 | if (!gateways.contains(context.inPacket().receivedFrom().deviceId())) { |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 276 | // return if the packet is not from gateway nodes |
| 277 | return; |
| 278 | } |
| 279 | |
| 280 | InboundPacket pkt = context.inPacket(); |
| 281 | Ethernet ethernet = pkt.parsed(); |
| 282 | if (ethernet != null && |
| 283 | ethernet.getEtherType() == Ethernet.TYPE_ARP) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 284 | eventExecutor.execute(() -> processArpPacket(context, ethernet)); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 285 | } |
| 286 | } |
| 287 | } |
| 288 | |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 289 | private boolean isExternalGatewaySourceIp(IpAddress targetIp) { |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 290 | return osNetworkAdminService.ports().stream() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 291 | .filter(osPort -> Objects.equals(osPort.getDeviceOwner(), |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 292 | DEVICE_OWNER_ROUTER_GW)) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 293 | .flatMap(osPort -> osPort.getFixedIps().stream()) |
| 294 | .anyMatch(ip -> IpAddress.valueOf(ip.getIpAddress()).equals(targetIp)); |
Kyuhwi Choi | 92d9ea4 | 2016-06-13 17:28:00 +0900 | [diff] [blame] | 295 | } |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame^] | 296 | |
| 297 | // FIXME: need to find a way to invoke this method during node initialization |
| 298 | private void initFloatingIpMacMap() { |
| 299 | osRouterService.floatingIps().forEach(f -> { |
| 300 | if (f.getPortId() != null && f.getFloatingIpAddress() != null) { |
| 301 | Port port = osNetworkAdminService.port(f.getPortId()); |
| 302 | if (port != null && port.getMacAddress() != null) { |
| 303 | floatingIpMacMap.put(f.getFloatingIpAddress(), port.getMacAddress()); |
| 304 | } |
| 305 | } |
| 306 | }); |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Installs static ARP rules used in ARP BROAD_CAST mode. |
| 311 | * Note that, those rules will be only matched ARP_REQUEST packets, |
| 312 | * used for telling gateway node the mapped MAC address of requested IP, |
| 313 | * without the helps from controller. |
| 314 | * |
| 315 | * @param fip floating IP address |
| 316 | * @param install flow rule installation flag |
| 317 | */ |
| 318 | private void setFloatingIpArpRule(NetFloatingIP fip, boolean install) { |
| 319 | if (arpMode.equals(ARP_BROADCAST_MODE)) { |
| 320 | |
| 321 | if (fip == null) { |
| 322 | log.warn("Failed to set ARP broadcast rule for floating IP"); |
| 323 | return; |
| 324 | } |
| 325 | |
| 326 | String macString; |
| 327 | |
| 328 | if (install) { |
| 329 | if (fip.getPortId() != null) { |
| 330 | macString = osNetworkAdminService.port(fip.getPortId()).getMacAddress(); |
| 331 | floatingIpMacMap.put(fip.getFloatingIpAddress(), macString); |
| 332 | } else { |
| 333 | log.trace("Unknown target ARP request for {}, ignore it", |
| 334 | fip.getFloatingIpAddress()); |
| 335 | return; |
| 336 | } |
| 337 | } else { |
| 338 | macString = floatingIpMacMap.get(fip.getFloatingIpAddress()); |
| 339 | } |
| 340 | |
| 341 | MacAddress targetMac = MacAddress.valueOf(macString); |
| 342 | |
| 343 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 344 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 345 | .matchArpOp(ARP.OP_REQUEST) |
| 346 | .matchArpTpa(Ip4Address.valueOf(fip.getFloatingIpAddress())) |
| 347 | .build(); |
| 348 | |
| 349 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 350 | .setArpOp(ARP.OP_REPLY) |
| 351 | .setArpSha(targetMac) |
| 352 | .setArpSpa(Ip4Address.valueOf(fip.getFloatingIpAddress())) |
| 353 | .setOutput(PortNumber.IN_PORT) |
| 354 | .build(); |
| 355 | |
| 356 | osNodeService.completeNodes(GATEWAY).forEach(n -> |
| 357 | osFlowRuleService.setRule( |
| 358 | appId, |
| 359 | n.intgBridge(), |
| 360 | selector, |
| 361 | treatment, |
| 362 | PRIORITY_ARP_GATEWAY_RULE, |
| 363 | GW_COMMON_TABLE, |
| 364 | install |
| 365 | ) |
| 366 | ); |
| 367 | |
| 368 | if (install) { |
| 369 | log.info("Install ARP Rule for Floating IP {}", |
| 370 | fip.getFloatingIpAddress()); |
| 371 | } else { |
| 372 | log.info("Uninstall ARP Rule for Floating IP {}", |
| 373 | fip.getFloatingIpAddress()); |
| 374 | } |
| 375 | } |
| 376 | } |
| 377 | |
| 378 | /** |
| 379 | * An internal router event listener, intended to install/uninstall |
| 380 | * ARP rules for forwarding packets created from floating IPs. |
| 381 | */ |
| 382 | private class InternalRouterEventListener implements OpenstackRouterListener { |
| 383 | |
| 384 | @Override |
| 385 | public boolean isRelevant(OpenstackRouterEvent event) { |
| 386 | // do not allow to proceed without leadership |
| 387 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 388 | return Objects.equals(localNodeId, leader); |
| 389 | } |
| 390 | |
| 391 | @Override |
| 392 | public void event(OpenstackRouterEvent event) { |
| 393 | switch (event.type()) { |
| 394 | case OPENSTACK_ROUTER_CREATED: |
| 395 | eventExecutor.execute(() -> |
| 396 | // add a router with external gateway |
| 397 | setFakeGatewayArpRule(event.subject(), true) |
| 398 | ); |
| 399 | break; |
| 400 | case OPENSTACK_ROUTER_REMOVED: |
| 401 | eventExecutor.execute(() -> |
| 402 | // remove a router with external gateway |
| 403 | setFakeGatewayArpRule(event.subject(), false) |
| 404 | ); |
| 405 | break; |
| 406 | case OPENSTACK_ROUTER_GATEWAY_ADDED: |
| 407 | eventExecutor.execute(() -> |
| 408 | // add a gateway manually after adding a router |
| 409 | setFakeGatewayArpRule(event.externalGateway(), true) |
| 410 | ); |
| 411 | break; |
| 412 | case OPENSTACK_ROUTER_GATEWAY_REMOVED: |
| 413 | eventExecutor.execute(() -> |
| 414 | // remove a gateway from an existing router |
| 415 | setFakeGatewayArpRule(event.externalGateway(), false) |
| 416 | ); |
| 417 | break; |
| 418 | case OPENSTACK_FLOATING_IP_ASSOCIATED: |
| 419 | eventExecutor.execute(() -> |
| 420 | // associate a floating IP with an existing VM |
| 421 | setFloatingIpArpRule(event.floatingIp(), true) |
| 422 | ); |
| 423 | break; |
| 424 | case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
| 425 | eventExecutor.execute(() -> |
| 426 | // disassociate a floating IP with the existing VM |
| 427 | setFloatingIpArpRule(event.floatingIp(), false) |
| 428 | ); |
| 429 | break; |
| 430 | case OPENSTACK_FLOATING_IP_CREATED: |
| 431 | eventExecutor.execute(() -> { |
| 432 | NetFloatingIP osFip = event.floatingIp(); |
| 433 | |
| 434 | // during floating IP creation, if the floating IP is |
| 435 | // associated with any port of VM, then we will set |
| 436 | // floating IP related ARP rules to gateway node |
| 437 | if (!Strings.isNullOrEmpty(osFip.getPortId())) { |
| 438 | setFloatingIpArpRule(osFip, true); |
| 439 | } |
| 440 | }); |
| 441 | break; |
| 442 | case OPENSTACK_FLOATING_IP_REMOVED: |
| 443 | eventExecutor.execute(() -> { |
| 444 | NetFloatingIP osFip = event.floatingIp(); |
| 445 | |
| 446 | // during floating IP deletion, if the floating IP is |
| 447 | // still associated with any port of VM, then we will |
| 448 | // remove floating IP related ARP rules from gateway node |
| 449 | if (!Strings.isNullOrEmpty(osFip.getPortId())) { |
| 450 | setFloatingIpArpRule(event.floatingIp(), false); |
| 451 | } |
| 452 | }); |
| 453 | break; |
| 454 | default: |
| 455 | // do nothing for the other events |
| 456 | break; |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | private void setFakeGatewayArpRule(ExternalGateway extGw, boolean install) { |
| 461 | if (arpMode.equals(ARP_BROADCAST_MODE)) { |
| 462 | |
| 463 | if (extGw == null) { |
| 464 | return; |
| 465 | } |
| 466 | |
| 467 | Optional<Subnet> subnet = osNetworkAdminService.subnets( |
| 468 | extGw.getNetworkId()).stream().findFirst(); |
| 469 | if (!subnet.isPresent()) { |
| 470 | return; |
| 471 | } |
| 472 | |
| 473 | String gateway = subnet.get().getGateway(); |
| 474 | |
| 475 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 476 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 477 | .matchArpOp(ARP.OP_REQUEST) |
| 478 | .matchArpTpa(Ip4Address.valueOf(gateway)) |
| 479 | .build(); |
| 480 | |
| 481 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 482 | .setArpOp(ARP.OP_REPLY) |
| 483 | .setArpSha(MacAddress.valueOf(gatewayMac)) |
| 484 | .setArpSpa(Ip4Address.valueOf(gateway)) |
| 485 | .setOutput(PortNumber.IN_PORT) |
| 486 | .build(); |
| 487 | |
| 488 | osNodeService.completeNodes(GATEWAY).forEach(n -> |
| 489 | osFlowRuleService.setRule( |
| 490 | appId, |
| 491 | n.intgBridge(), |
| 492 | selector, |
| 493 | treatment, |
| 494 | PRIORITY_ARP_GATEWAY_RULE, |
| 495 | GW_COMMON_TABLE, |
| 496 | install |
| 497 | ) |
| 498 | ); |
| 499 | |
| 500 | if (install) { |
| 501 | log.info("Install ARP Rule for Gateway {}", gateway); |
| 502 | } else { |
| 503 | log.info("Uninstall ARP Rule for Gateway {}", gateway); |
| 504 | } |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | private void setFakeGatewayArpRule(Router router, boolean install) { |
| 509 | setFakeGatewayArpRule(router.getExternalGatewayInfo(), install); |
| 510 | } |
| 511 | } |
| 512 | |
| 513 | /** |
| 514 | * An internal host event listener, intended to uninstall |
| 515 | * ARP rules during host removal. Note that this is only valid when users |
| 516 | * remove host without disassociating floating IP with existing VM. |
| 517 | */ |
| 518 | private class InternalHostListener implements HostListener { |
| 519 | |
| 520 | @Override |
| 521 | public boolean isRelevant(HostEvent event) { |
| 522 | Host host = event.subject(); |
| 523 | if (!isValidHost(host)) { |
| 524 | log.debug("Invalid host detected, ignore it {}", host); |
| 525 | return false; |
| 526 | } |
| 527 | return true; |
| 528 | } |
| 529 | |
| 530 | @Override |
| 531 | public void event(HostEvent event) { |
| 532 | InstancePort instPort = HostBasedInstancePort.of(event.subject()); |
| 533 | switch (event.type()) { |
| 534 | case HOST_REMOVED: |
| 535 | removeArpRuleByInstancePort(instPort); |
| 536 | break; |
| 537 | case HOST_UPDATED: |
| 538 | case HOST_ADDED: |
| 539 | default: |
| 540 | break; |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | private void removeArpRuleByInstancePort(InstancePort port) { |
| 545 | Set<NetFloatingIP> ips = osRouterService.floatingIps(); |
| 546 | for (NetFloatingIP fip : ips) { |
| 547 | if (Strings.isNullOrEmpty(fip.getFixedIpAddress())) { |
| 548 | continue; |
| 549 | } |
| 550 | if (Strings.isNullOrEmpty(fip.getFloatingIpAddress())) { |
| 551 | continue; |
| 552 | } |
| 553 | if (fip.getFixedIpAddress().equals(port.ipAddress().toString())) { |
| 554 | eventExecutor.execute(() -> |
| 555 | setFloatingIpArpRule(fip, false) |
| 556 | ); |
| 557 | } |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | // TODO: should be extracted as an utility helper method sooner |
| 562 | private boolean isValidHost(Host host) { |
| 563 | return !host.ipAddresses().isEmpty() && |
| 564 | host.annotations().value(ANNOTATION_NETWORK_ID) != null && |
| 565 | host.annotations().value(ANNOTATION_PORT_ID) != null; |
| 566 | } |
| 567 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 568 | } |