Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 16 | package org.onosproject.openstacknetworking.impl; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 17 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 18 | import com.google.common.base.Strings; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 19 | import com.google.common.collect.ImmutableSet; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 20 | import com.google.common.collect.Maps; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 21 | import com.google.common.collect.Sets; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 22 | import org.apache.felix.scr.annotations.Activate; |
| 23 | import org.apache.felix.scr.annotations.Component; |
| 24 | import org.apache.felix.scr.annotations.Deactivate; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 25 | import org.apache.felix.scr.annotations.Modified; |
| 26 | import org.apache.felix.scr.annotations.Property; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 27 | import org.apache.felix.scr.annotations.Reference; |
| 28 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 29 | import org.onlab.packet.ARP; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 30 | import org.onlab.packet.EthType; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 31 | import org.onlab.packet.Ethernet; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 32 | import org.onlab.packet.Ip4Address; |
| 33 | import org.onlab.packet.IpAddress; |
| 34 | import org.onlab.packet.MacAddress; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 35 | import org.onlab.util.Tools; |
| 36 | import org.onosproject.cfg.ComponentConfigService; |
| 37 | import org.onosproject.cluster.ClusterService; |
| 38 | import org.onosproject.cluster.LeadershipService; |
| 39 | import org.onosproject.cluster.NodeId; |
| 40 | import org.onosproject.core.ApplicationId; |
| 41 | import org.onosproject.core.CoreService; |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 42 | import org.onosproject.net.ConnectPoint; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 43 | import org.onosproject.net.DeviceId; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 44 | import org.onosproject.net.Host; |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 45 | import org.onosproject.net.PortNumber; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 46 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 47 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 48 | import org.onosproject.net.flow.TrafficSelector; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 49 | import org.onosproject.net.flow.TrafficTreatment; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 50 | import org.onosproject.net.host.HostEvent; |
| 51 | import org.onosproject.net.host.HostListener; |
| 52 | import org.onosproject.net.host.HostService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 53 | import org.onosproject.net.packet.DefaultOutboundPacket; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 54 | import org.onosproject.net.packet.InboundPacket; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 55 | import org.onosproject.net.packet.PacketContext; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 56 | import org.onosproject.net.packet.PacketProcessor; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 57 | import org.onosproject.net.packet.PacketService; |
Hyunsun Moon | 0540087 | 2017-02-07 17:11:25 +0900 | [diff] [blame] | 58 | import org.onosproject.openstacknetworking.api.Constants; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 59 | import org.onosproject.openstacknetworking.api.InstancePort; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 60 | import org.onosproject.openstacknetworking.api.InstancePortService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 61 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 62 | import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 63 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 64 | import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| 65 | import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 66 | import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 67 | import org.onosproject.openstacknode.api.OpenstackNode; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 68 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 69 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 70 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 71 | import org.openstack4j.model.network.ExternalGateway; |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 72 | import org.openstack4j.model.network.IP; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 73 | import org.openstack4j.model.network.NetFloatingIP; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 74 | import org.openstack4j.model.network.Port; |
| 75 | import org.openstack4j.model.network.Router; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 76 | import org.osgi.service.component.ComponentContext; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 77 | import org.slf4j.Logger; |
| 78 | |
| 79 | import java.nio.ByteBuffer; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 80 | import java.util.Dictionary; |
| 81 | import java.util.Map; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 82 | import java.util.Objects; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 83 | import java.util.Set; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 84 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 85 | import java.util.stream.Collectors; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 86 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 87 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 88 | import static org.onlab.util.Tools.groupedThreads; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 89 | import static org.onosproject.openstacknetworking.api.Constants.ARP_BROADCAST_MODE; |
| 90 | import static org.onosproject.openstacknetworking.api.Constants.ARP_PROXY_MODE; |
| 91 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_ARP_MODE_STR; |
| 92 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_GATEWAY_MAC_STR; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 93 | import static org.onosproject.openstacknetworking.api.Constants.DHCP_ARP_TABLE; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 94 | import static org.onosproject.openstacknetworking.api.Constants.GW_COMMON_TABLE; |
| 95 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 96 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_CONTROL_RULE; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 97 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| 98 | import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_NETWORK_ID; |
| 99 | import static org.onosproject.openstacknetworking.impl.HostBasedInstancePort.ANNOTATION_PORT_ID; |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 100 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByComputeDevId; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 101 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 102 | import static org.slf4j.LoggerFactory.getLogger; |
| 103 | |
| 104 | /** |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 105 | * Handle ARP requests from gateway nodes. |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 106 | */ |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 107 | @Component(immediate = true) |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 108 | public class OpenstackRoutingArpHandler { |
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 | private final Logger log = getLogger(getClass()); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 111 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 112 | private static final String DEVICE_OWNER_ROUTER_GW = "network:router_gateway"; |
| 113 | private static final String DEVICE_OWNER_FLOATING_IP = "network:floatingip"; |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 114 | private static final String ARP_MODE = "arpMode"; |
| 115 | |
| 116 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 117 | protected CoreService coreService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 118 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 119 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 120 | protected PacketService packetService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 121 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 122 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 123 | protected OpenstackNetworkAdminService osNetworkAdminService; |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 124 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 125 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 126 | protected OpenstackRouterService osRouterService; |
| 127 | |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 128 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
daniel park | e49eb38 | 2017-04-05 16:48:28 +0900 | [diff] [blame] | 129 | protected OpenstackNodeService osNodeService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 130 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 131 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 132 | protected InstancePortService instancePortService; |
| 133 | |
| 134 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 135 | protected ClusterService clusterService; |
| 136 | |
| 137 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 138 | protected LeadershipService leadershipService; |
| 139 | |
| 140 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 141 | protected OpenstackFlowRuleService osFlowRuleService; |
| 142 | |
| 143 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 144 | protected OpenstackNetworkService osNetworkService; |
| 145 | |
| 146 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 147 | protected ComponentConfigService configService; |
| 148 | |
| 149 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| 150 | protected HostService hostService; |
| 151 | |
| 152 | // TODO: need to find a way to unify aprMode and gatewayMac variables with |
| 153 | // that in SwitchingArpHandler |
| 154 | @Property(name = ARP_MODE, value = DEFAULT_ARP_MODE_STR, |
Jian Li | 1478f29 | 2018-05-28 17:10:59 +0900 | [diff] [blame] | 155 | label = "ARP processing mode, broadcast (default) | proxy ") |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 156 | protected String arpMode = DEFAULT_ARP_MODE_STR; |
| 157 | |
| 158 | protected String gatewayMac = DEFAULT_GATEWAY_MAC_STR; |
| 159 | |
| 160 | private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
| 161 | private final HostListener hostListener = new InternalHostListener(); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 162 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 163 | |
| 164 | private ApplicationId appId; |
| 165 | private NodeId localNodeId; |
| 166 | private Map<String, String> floatingIpMacMap = Maps.newConcurrentMap(); |
| 167 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 168 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 169 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 170 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 171 | private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 172 | |
| 173 | @Activate |
| 174 | protected void activate() { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 175 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| 176 | configService.registerProperties(getClass()); |
| 177 | localNodeId = clusterService.getLocalNode().id(); |
| 178 | osRouterService.addListener(osRouterListener); |
| 179 | hostService.addListener(hostListener); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 180 | osNodeService.addListener(osNodeListener); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 181 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 182 | packetService.addProcessor(packetProcessor, PacketProcessor.director(1)); |
| 183 | log.info("Started"); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 184 | } |
| 185 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 186 | @Deactivate |
| 187 | protected void deactivate() { |
| 188 | packetService.removeProcessor(packetProcessor); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 189 | hostService.removeListener(hostListener); |
| 190 | osRouterService.removeListener(osRouterListener); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 191 | osNodeService.removeListener(osNodeListener); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 192 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 193 | eventExecutor.shutdown(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 194 | configService.unregisterProperties(getClass(), false); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 195 | log.info("Stopped"); |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 196 | } |
| 197 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 198 | // TODO: need to find a way to unify aprMode and gatewayMac variables with |
| 199 | // that in SwitchingArpHandler |
| 200 | @Modified |
| 201 | void modified(ComponentContext context) { |
| 202 | Dictionary<?, ?> properties = context.getProperties(); |
| 203 | String updateArpMode; |
| 204 | |
| 205 | updateArpMode = Tools.get(properties, ARP_MODE); |
| 206 | if (!Strings.isNullOrEmpty(updateArpMode) && !updateArpMode.equals(arpMode)) { |
| 207 | arpMode = updateArpMode; |
| 208 | } |
| 209 | |
| 210 | log.info("Modified"); |
| 211 | } |
| 212 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 213 | private void processArpPacket(PacketContext context, Ethernet ethernet) { |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 214 | ARP arp = (ARP) ethernet.getPayload(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 215 | |
| 216 | if (arp.getOpCode() == ARP.OP_REQUEST && arpMode.equals(ARP_PROXY_MODE)) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 217 | if (log.isTraceEnabled()) { |
| 218 | log.trace("ARP request received from {} for {}", |
| 219 | Ip4Address.valueOf(arp.getSenderProtocolAddress()).toString(), |
| 220 | Ip4Address.valueOf(arp.getTargetProtocolAddress()).toString()); |
| 221 | } |
| 222 | |
| 223 | IpAddress targetIp = Ip4Address.valueOf(arp.getTargetProtocolAddress()); |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 224 | |
| 225 | MacAddress targetMac = null; |
| 226 | |
| 227 | NetFloatingIP floatingIP = osRouterService.floatingIps().stream() |
| 228 | .filter(ip -> ip.getFloatingIpAddress().equals(targetIp.toString())) |
| 229 | .findAny().orElse(null); |
| 230 | |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 231 | //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] | 232 | if (floatingIP != null && floatingIP.getPortId() != null) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 233 | targetMac = MacAddress.valueOf(osNetworkAdminService.port( |
| 234 | floatingIP.getPortId()).getMacAddress()); |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 235 | } |
| 236 | |
| 237 | if (isExternalGatewaySourceIp(targetIp.getIp4Address())) { |
| 238 | targetMac = Constants.DEFAULT_GATEWAY_MAC; |
| 239 | } |
| 240 | |
| 241 | if (targetMac == null) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 242 | log.trace("Unknown target ARP request for {}, ignore it", targetIp); |
| 243 | return; |
| 244 | } |
| 245 | |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 246 | OpenstackNode gw = getGwByTargetMac(osNodeService.completeNodes(GATEWAY), targetMac); |
| 247 | |
| 248 | if (gw == null) { |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | // if the ARP packet_in received from non-relevant GWs, we simply ignore it |
| 253 | if (!Objects.equals(gw.intgBridge(), context.inPacket().receivedFrom().deviceId())) { |
| 254 | return; |
| 255 | } |
| 256 | |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 257 | Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), |
| 258 | targetMac, ethernet); |
| 259 | |
| 260 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 261 | .setOutput(context.inPacket().receivedFrom().port()).build(); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 262 | |
| 263 | packetService.emit(new DefaultOutboundPacket( |
| 264 | context.inPacket().receivedFrom().deviceId(), |
| 265 | treatment, |
| 266 | ByteBuffer.wrap(ethReply.serialize()))); |
| 267 | |
| 268 | context.block(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 269 | } |
| 270 | |
| 271 | if (arp.getOpCode() == ARP.OP_REPLY) { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 272 | ConnectPoint cp = context.inPacket().receivedFrom(); |
| 273 | PortNumber receivedPortNum = cp.port(); |
| 274 | IpAddress spa = Ip4Address.valueOf(arp.getSenderProtocolAddress()); |
| 275 | MacAddress sha = MacAddress.valueOf(arp.getSenderHardwareAddress()); |
| 276 | |
| 277 | log.debug("ARP reply ip: {}, mac: {}", spa, sha); |
| 278 | |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 279 | try { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 280 | |
Jian Li | d4066ea | 2018-06-07 01:44:45 +0900 | [diff] [blame] | 281 | Set<String> extRouterIps = osNetworkService.externalPeerRouters(). |
| 282 | stream().map(r -> r.externalPeerRouterIp().toString()).collect(Collectors.toSet()); |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 283 | |
Jian Li | d4066ea | 2018-06-07 01:44:45 +0900 | [diff] [blame] | 284 | // if SPA is NOT contained in existing external router IP set, we ignore it |
| 285 | if (!extRouterIps.contains(spa.toString())) { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 286 | return; |
| 287 | } |
| 288 | |
| 289 | OpenstackNode node = osNodeService.node(cp.deviceId()); |
| 290 | |
| 291 | if (node == null) { |
| 292 | return; |
| 293 | } |
| 294 | |
| 295 | // we only handles the ARP-Reply message received by gateway node |
| 296 | if (node.type() != GATEWAY) { |
| 297 | return; |
| 298 | } |
| 299 | |
| 300 | if (receivedPortNum.equals(node.uplinkPortNum())) { |
| 301 | osNetworkAdminService.updateExternalPeerRouterMac(spa, sha); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 302 | } |
| 303 | } catch (Exception e) { |
Jian Li | 14a79f2 | 2018-06-05 03:44:22 +0900 | [diff] [blame] | 304 | log.error("Exception occurred because of {}", e); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 305 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 306 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 307 | } |
| 308 | |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 309 | private class InternalPacketProcessor implements PacketProcessor { |
| 310 | |
| 311 | @Override |
| 312 | public void process(PacketContext context) { |
| 313 | if (context.isHandled()) { |
| 314 | return; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | Set<DeviceId> gateways = osNodeService.completeNodes(GATEWAY) |
| 318 | .stream().map(OpenstackNode::intgBridge) |
| 319 | .collect(Collectors.toSet()); |
| 320 | |
| 321 | if (!gateways.contains(context.inPacket().receivedFrom().deviceId())) { |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 322 | // return if the packet is not from gateway nodes |
| 323 | return; |
| 324 | } |
| 325 | |
| 326 | InboundPacket pkt = context.inPacket(); |
| 327 | Ethernet ethernet = pkt.parsed(); |
| 328 | if (ethernet != null && |
| 329 | ethernet.getEtherType() == Ethernet.TYPE_ARP) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 330 | eventExecutor.execute(() -> processArpPacket(context, ethernet)); |
Hyunsun Moon | b3eb84d | 2016-07-27 19:10:52 -0700 | [diff] [blame] | 331 | } |
| 332 | } |
| 333 | } |
| 334 | |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 335 | private boolean isExternalGatewaySourceIp(IpAddress targetIp) { |
daniel park | 32b4220 | 2018-03-14 16:53:44 +0900 | [diff] [blame] | 336 | return osNetworkAdminService.ports().stream() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 337 | .filter(osPort -> Objects.equals(osPort.getDeviceOwner(), |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 338 | DEVICE_OWNER_ROUTER_GW)) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 339 | .flatMap(osPort -> osPort.getFixedIps().stream()) |
| 340 | .anyMatch(ip -> IpAddress.valueOf(ip.getIpAddress()).equals(targetIp)); |
Kyuhwi Choi | 92d9ea4 | 2016-06-13 17:28:00 +0900 | [diff] [blame] | 341 | } |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 342 | |
| 343 | // FIXME: need to find a way to invoke this method during node initialization |
| 344 | private void initFloatingIpMacMap() { |
| 345 | osRouterService.floatingIps().forEach(f -> { |
| 346 | if (f.getPortId() != null && f.getFloatingIpAddress() != null) { |
| 347 | Port port = osNetworkAdminService.port(f.getPortId()); |
| 348 | if (port != null && port.getMacAddress() != null) { |
| 349 | floatingIpMacMap.put(f.getFloatingIpAddress(), port.getMacAddress()); |
| 350 | } |
| 351 | } |
| 352 | }); |
| 353 | } |
| 354 | |
| 355 | /** |
| 356 | * Installs static ARP rules used in ARP BROAD_CAST mode. |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 357 | * |
| 358 | * @param gateway gateway node |
| 359 | * @param install flow rule installation flag |
| 360 | */ |
| 361 | private void setFloatingIpArpRuleForGateway(OpenstackNode gateway, boolean install) { |
| 362 | if (arpMode.equals(ARP_BROADCAST_MODE)) { |
| 363 | |
| 364 | Set<OpenstackNode> completedGws = osNodeService.completeNodes(GATEWAY); |
| 365 | Set<OpenstackNode> finalGws = Sets.newConcurrentHashSet(); |
| 366 | finalGws.addAll(ImmutableSet.copyOf(completedGws)); |
| 367 | |
| 368 | if (install) { |
| 369 | if (completedGws.contains(gateway)) { |
| 370 | if (completedGws.size() > 1) { |
| 371 | finalGws.remove(gateway); |
| 372 | osRouterService.floatingIps().forEach(fip -> { |
| 373 | if (fip.getPortId() != null) { |
| 374 | setFloatingIpArpRule(fip, finalGws, false); |
| 375 | finalGws.add(gateway); |
| 376 | } |
| 377 | }); |
| 378 | } |
| 379 | osRouterService.floatingIps().forEach(fip -> { |
| 380 | if (fip.getPortId() != null) { |
| 381 | setFloatingIpArpRule(fip, finalGws, true); |
| 382 | } |
| 383 | }); |
| 384 | } else { |
| 385 | log.warn("Detected node should be included in completed gateway set"); |
| 386 | } |
| 387 | } else { |
| 388 | if (!completedGws.contains(gateway)) { |
| 389 | finalGws.add(gateway); |
| 390 | osRouterService.floatingIps().forEach(fip -> { |
| 391 | if (fip.getPortId() != null) { |
| 392 | setFloatingIpArpRule(fip, finalGws, false); |
| 393 | } |
| 394 | }); |
| 395 | finalGws.remove(gateway); |
| 396 | if (completedGws.size() >= 1) { |
| 397 | osRouterService.floatingIps().forEach(fip -> { |
| 398 | if (fip.getPortId() != null) { |
| 399 | setFloatingIpArpRule(fip, finalGws, true); |
| 400 | } |
| 401 | }); |
| 402 | } |
| 403 | } else { |
| 404 | log.warn("Detected node should NOT be included in completed gateway set"); |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Installs static ARP rules used in ARP BROAD_CAST mode. |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 412 | * Note that, those rules will be only matched ARP_REQUEST packets, |
| 413 | * used for telling gateway node the mapped MAC address of requested IP, |
| 414 | * without the helps from controller. |
| 415 | * |
| 416 | * @param fip floating IP address |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 417 | * @param gateways a set of gateway nodes |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 418 | * @param install flow rule installation flag |
| 419 | */ |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 420 | private synchronized void setFloatingIpArpRule(NetFloatingIP fip, |
| 421 | Set<OpenstackNode> gateways, |
| 422 | boolean install) { |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 423 | if (arpMode.equals(ARP_BROADCAST_MODE)) { |
| 424 | |
| 425 | if (fip == null) { |
| 426 | log.warn("Failed to set ARP broadcast rule for floating IP"); |
| 427 | return; |
| 428 | } |
| 429 | |
| 430 | String macString; |
| 431 | |
| 432 | if (install) { |
| 433 | if (fip.getPortId() != null) { |
| 434 | macString = osNetworkAdminService.port(fip.getPortId()).getMacAddress(); |
| 435 | floatingIpMacMap.put(fip.getFloatingIpAddress(), macString); |
| 436 | } else { |
| 437 | log.trace("Unknown target ARP request for {}, ignore it", |
| 438 | fip.getFloatingIpAddress()); |
| 439 | return; |
| 440 | } |
| 441 | } else { |
| 442 | macString = floatingIpMacMap.get(fip.getFloatingIpAddress()); |
| 443 | } |
| 444 | |
| 445 | MacAddress targetMac = MacAddress.valueOf(macString); |
| 446 | |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 447 | OpenstackNode gw = getGwByTargetMac(gateways, targetMac); |
| 448 | |
| 449 | if (gw == null) { |
| 450 | return; |
| 451 | } |
| 452 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 453 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 454 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 455 | .matchArpOp(ARP.OP_REQUEST) |
| 456 | .matchArpTpa(Ip4Address.valueOf(fip.getFloatingIpAddress())) |
| 457 | .build(); |
| 458 | |
| 459 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 460 | .setArpOp(ARP.OP_REPLY) |
| 461 | .setArpSha(targetMac) |
| 462 | .setArpSpa(Ip4Address.valueOf(fip.getFloatingIpAddress())) |
| 463 | .setOutput(PortNumber.IN_PORT) |
| 464 | .build(); |
| 465 | |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 466 | osFlowRuleService.setRule( |
| 467 | appId, |
| 468 | gw.intgBridge(), |
| 469 | selector, |
| 470 | treatment, |
| 471 | PRIORITY_ARP_GATEWAY_RULE, |
| 472 | GW_COMMON_TABLE, |
| 473 | install |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 474 | ); |
| 475 | |
| 476 | if (install) { |
| 477 | log.info("Install ARP Rule for Floating IP {}", |
| 478 | fip.getFloatingIpAddress()); |
| 479 | } else { |
| 480 | log.info("Uninstall ARP Rule for Floating IP {}", |
| 481 | fip.getFloatingIpAddress()); |
| 482 | } |
| 483 | } |
| 484 | } |
| 485 | |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 486 | // a helper method |
| 487 | private OpenstackNode getGwByTargetMac(Set<OpenstackNode> gateways, |
| 488 | MacAddress targetMac) { |
| 489 | InstancePort instPort = instancePortService.instancePort(targetMac); |
| 490 | OpenstackNode gw = null; |
| 491 | if (instPort != null && instPort.deviceId() != null) { |
| 492 | gw = getGwByComputeDevId(gateways, instPort.deviceId()); |
| 493 | } |
| 494 | return gw; |
| 495 | } |
| 496 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 497 | /** |
| 498 | * An internal router event listener, intended to install/uninstall |
| 499 | * ARP rules for forwarding packets created from floating IPs. |
| 500 | */ |
| 501 | private class InternalRouterEventListener implements OpenstackRouterListener { |
| 502 | |
| 503 | @Override |
| 504 | public boolean isRelevant(OpenstackRouterEvent event) { |
| 505 | // do not allow to proceed without leadership |
| 506 | NodeId leader = leadershipService.getLeader(appId.name()); |
| 507 | return Objects.equals(localNodeId, leader); |
| 508 | } |
| 509 | |
| 510 | @Override |
| 511 | public void event(OpenstackRouterEvent event) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 512 | |
| 513 | Set<OpenstackNode> completedGws = osNodeService.completeNodes(GATEWAY); |
| 514 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 515 | switch (event.type()) { |
| 516 | case OPENSTACK_ROUTER_CREATED: |
| 517 | eventExecutor.execute(() -> |
| 518 | // add a router with external gateway |
| 519 | setFakeGatewayArpRule(event.subject(), true) |
| 520 | ); |
| 521 | break; |
| 522 | case OPENSTACK_ROUTER_REMOVED: |
| 523 | eventExecutor.execute(() -> |
| 524 | // remove a router with external gateway |
| 525 | setFakeGatewayArpRule(event.subject(), false) |
| 526 | ); |
| 527 | break; |
| 528 | case OPENSTACK_ROUTER_GATEWAY_ADDED: |
| 529 | eventExecutor.execute(() -> |
| 530 | // add a gateway manually after adding a router |
| 531 | setFakeGatewayArpRule(event.externalGateway(), true) |
| 532 | ); |
| 533 | break; |
| 534 | case OPENSTACK_ROUTER_GATEWAY_REMOVED: |
| 535 | eventExecutor.execute(() -> |
| 536 | // remove a gateway from an existing router |
| 537 | setFakeGatewayArpRule(event.externalGateway(), false) |
| 538 | ); |
| 539 | break; |
| 540 | case OPENSTACK_FLOATING_IP_ASSOCIATED: |
| 541 | eventExecutor.execute(() -> |
| 542 | // associate a floating IP with an existing VM |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 543 | setFloatingIpArpRule(event.floatingIp(), completedGws, true) |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 544 | ); |
| 545 | break; |
| 546 | case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
| 547 | eventExecutor.execute(() -> |
| 548 | // disassociate a floating IP with the existing VM |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 549 | setFloatingIpArpRule(event.floatingIp(), completedGws, false) |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 550 | ); |
| 551 | break; |
| 552 | case OPENSTACK_FLOATING_IP_CREATED: |
| 553 | eventExecutor.execute(() -> { |
| 554 | NetFloatingIP osFip = event.floatingIp(); |
| 555 | |
| 556 | // during floating IP creation, if the floating IP is |
| 557 | // associated with any port of VM, then we will set |
| 558 | // floating IP related ARP rules to gateway node |
| 559 | if (!Strings.isNullOrEmpty(osFip.getPortId())) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 560 | setFloatingIpArpRule(osFip, completedGws, true); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 561 | } |
| 562 | }); |
| 563 | break; |
| 564 | case OPENSTACK_FLOATING_IP_REMOVED: |
| 565 | eventExecutor.execute(() -> { |
| 566 | NetFloatingIP osFip = event.floatingIp(); |
| 567 | |
| 568 | // during floating IP deletion, if the floating IP is |
| 569 | // still associated with any port of VM, then we will |
| 570 | // remove floating IP related ARP rules from gateway node |
| 571 | if (!Strings.isNullOrEmpty(osFip.getPortId())) { |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 572 | setFloatingIpArpRule(event.floatingIp(), completedGws, false); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 573 | } |
| 574 | }); |
| 575 | break; |
| 576 | default: |
| 577 | // do nothing for the other events |
| 578 | break; |
| 579 | } |
| 580 | } |
| 581 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 582 | private Set<IP> getExternalGatewaySnatIps(ExternalGateway extGw) { |
| 583 | return osNetworkAdminService.ports().stream() |
| 584 | .filter(port -> |
| 585 | Objects.equals(port.getNetworkId(), extGw.getNetworkId())) |
| 586 | .filter(port -> |
| 587 | Objects.equals(port.getDeviceOwner(), DEVICE_OWNER_ROUTER_GW)) |
| 588 | .flatMap(port -> port.getFixedIps().stream()) |
| 589 | .collect(Collectors.toSet()); |
| 590 | } |
| 591 | |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 592 | private void setFakeGatewayArpRule(ExternalGateway extGw, boolean install) { |
| 593 | if (arpMode.equals(ARP_BROADCAST_MODE)) { |
| 594 | |
| 595 | if (extGw == null) { |
| 596 | return; |
| 597 | } |
| 598 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 599 | Set<IP> ips = getExternalGatewaySnatIps(extGw); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 600 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 601 | ips.forEach(ip -> { |
| 602 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 603 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 604 | .matchArpOp(ARP.OP_REQUEST) |
| 605 | .matchArpTpa(Ip4Address.valueOf(ip.getIpAddress())) |
| 606 | .build(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 607 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 608 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 609 | .setArpOp(ARP.OP_REPLY) |
| 610 | .setArpSha(MacAddress.valueOf(gatewayMac)) |
| 611 | .setArpSpa(Ip4Address.valueOf(ip.getIpAddress())) |
| 612 | .setOutput(PortNumber.IN_PORT) |
| 613 | .build(); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 614 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 615 | osNodeService.completeNodes(GATEWAY).forEach(n -> |
| 616 | osFlowRuleService.setRule( |
| 617 | appId, |
| 618 | n.intgBridge(), |
| 619 | selector, |
| 620 | treatment, |
| 621 | PRIORITY_ARP_GATEWAY_RULE, |
| 622 | GW_COMMON_TABLE, |
| 623 | install |
| 624 | ) |
| 625 | ); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 626 | |
Jian Li | 4df657b | 2018-05-29 16:39:00 +0900 | [diff] [blame] | 627 | if (install) { |
| 628 | log.info("Install ARP Rule for Gateway Snat {}", ip.getIpAddress()); |
| 629 | } else { |
| 630 | log.info("Uninstall ARP Rule for Gateway Snat {}", ip.getIpAddress()); |
| 631 | } |
| 632 | }); |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 633 | } |
| 634 | } |
| 635 | |
| 636 | private void setFakeGatewayArpRule(Router router, boolean install) { |
| 637 | setFakeGatewayArpRule(router.getExternalGatewayInfo(), install); |
| 638 | } |
| 639 | } |
| 640 | |
| 641 | /** |
| 642 | * An internal host event listener, intended to uninstall |
| 643 | * ARP rules during host removal. Note that this is only valid when users |
| 644 | * remove host without disassociating floating IP with existing VM. |
| 645 | */ |
| 646 | private class InternalHostListener implements HostListener { |
| 647 | |
| 648 | @Override |
| 649 | public boolean isRelevant(HostEvent event) { |
| 650 | Host host = event.subject(); |
| 651 | if (!isValidHost(host)) { |
| 652 | log.debug("Invalid host detected, ignore it {}", host); |
| 653 | return false; |
| 654 | } |
| 655 | return true; |
| 656 | } |
| 657 | |
| 658 | @Override |
| 659 | public void event(HostEvent event) { |
| 660 | InstancePort instPort = HostBasedInstancePort.of(event.subject()); |
| 661 | switch (event.type()) { |
| 662 | case HOST_REMOVED: |
| 663 | removeArpRuleByInstancePort(instPort); |
| 664 | break; |
| 665 | case HOST_UPDATED: |
| 666 | case HOST_ADDED: |
| 667 | default: |
| 668 | break; |
| 669 | } |
| 670 | } |
| 671 | |
| 672 | private void removeArpRuleByInstancePort(InstancePort port) { |
| 673 | Set<NetFloatingIP> ips = osRouterService.floatingIps(); |
| 674 | for (NetFloatingIP fip : ips) { |
| 675 | if (Strings.isNullOrEmpty(fip.getFixedIpAddress())) { |
| 676 | continue; |
| 677 | } |
| 678 | if (Strings.isNullOrEmpty(fip.getFloatingIpAddress())) { |
| 679 | continue; |
| 680 | } |
| 681 | if (fip.getFixedIpAddress().equals(port.ipAddress().toString())) { |
| 682 | eventExecutor.execute(() -> |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 683 | setFloatingIpArpRule(fip, |
| 684 | osNodeService.completeNodes(GATEWAY), false) |
Jian Li | 6031225 | 2018-05-10 18:40:32 +0900 | [diff] [blame] | 685 | ); |
| 686 | } |
| 687 | } |
| 688 | } |
| 689 | |
| 690 | // TODO: should be extracted as an utility helper method sooner |
| 691 | private boolean isValidHost(Host host) { |
| 692 | return !host.ipAddresses().isEmpty() && |
| 693 | host.annotations().value(ANNOTATION_NETWORK_ID) != null && |
| 694 | host.annotations().value(ANNOTATION_PORT_ID) != null; |
| 695 | } |
| 696 | } |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 697 | |
| 698 | private class InternalNodeEventListener implements OpenstackNodeListener { |
| 699 | |
| 700 | @Override |
| 701 | public boolean isRelevant(OpenstackNodeEvent event) { |
| 702 | // do not allow to proceed without leadership |
| 703 | NodeId leader = leadershipService.getLeader(appId.name()); |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame^] | 704 | return Objects.equals(localNodeId, leader) && event.subject().type() == GATEWAY; |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 705 | } |
| 706 | |
| 707 | @Override |
| 708 | public void event(OpenstackNodeEvent event) { |
| 709 | OpenstackNode osNode = event.subject(); |
| 710 | switch (event.type()) { |
| 711 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame^] | 712 | setDefaultArpRule(osNode, true); |
| 713 | setFloatingIpArpRuleForGateway(osNode, true); |
Jian Li | 1064e4f | 2018-05-29 16:16:53 +0900 | [diff] [blame] | 714 | |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 715 | break; |
| 716 | case OPENSTACK_NODE_INCOMPLETE: |
Jian Li | 51b844c | 2018-05-31 10:59:03 +0900 | [diff] [blame^] | 717 | setDefaultArpRule(osNode, false); |
| 718 | setFloatingIpArpRuleForGateway(osNode, false); |
Jian Li | f96685c | 2018-05-21 14:14:16 +0900 | [diff] [blame] | 719 | break; |
| 720 | default: |
| 721 | break; |
| 722 | } |
| 723 | } |
| 724 | |
| 725 | private void setDefaultArpRule(OpenstackNode osNode, boolean install) { |
| 726 | switch (arpMode) { |
| 727 | case ARP_PROXY_MODE: |
| 728 | setDefaultArpRuleForProxyMode(osNode, install); |
| 729 | break; |
| 730 | case ARP_BROADCAST_MODE: |
| 731 | setDefaultArpRuleForBroadcastMode(osNode, install); |
| 732 | break; |
| 733 | default: |
| 734 | log.warn("Invalid ARP mode {}. Please use either " + |
| 735 | "broadcast or proxy mode.", arpMode); |
| 736 | break; |
| 737 | } |
| 738 | } |
| 739 | |
| 740 | private void setDefaultArpRuleForProxyMode(OpenstackNode osNode, boolean install) { |
| 741 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 742 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 743 | .build(); |
| 744 | |
| 745 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 746 | .punt() |
| 747 | .build(); |
| 748 | |
| 749 | osFlowRuleService.setRule( |
| 750 | appId, |
| 751 | osNode.intgBridge(), |
| 752 | selector, |
| 753 | treatment, |
| 754 | PRIORITY_ARP_CONTROL_RULE, |
| 755 | DHCP_ARP_TABLE, |
| 756 | install |
| 757 | ); |
| 758 | } |
| 759 | |
| 760 | private void setDefaultArpRuleForBroadcastMode(OpenstackNode osNode, boolean install) { |
| 761 | // we only match ARP_REPLY in gateway node, because controller |
| 762 | // somehow need to process ARP_REPLY which is issued from |
| 763 | // external router... |
| 764 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 765 | .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| 766 | .matchArpOp(ARP.OP_REPLY) |
| 767 | .build(); |
| 768 | |
| 769 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| 770 | .punt() |
| 771 | .build(); |
| 772 | |
| 773 | osFlowRuleService.setRule( |
| 774 | appId, |
| 775 | osNode.intgBridge(), |
| 776 | selector, |
| 777 | treatment, |
| 778 | PRIORITY_ARP_CONTROL_RULE, |
| 779 | DHCP_ARP_TABLE, |
| 780 | install |
| 781 | ); |
| 782 | } |
| 783 | } |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 784 | } |