Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +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 | */ |
| 16 | package org.onosproject.openstacknetworking.impl; |
| 17 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 18 | import com.google.common.base.MoreObjects; |
| 19 | import com.google.common.collect.ImmutableList; |
Jian Li | fdb8d87 | 2019-04-08 10:38:58 +0900 | [diff] [blame] | 20 | import com.google.common.collect.ImmutableSet; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 21 | import com.google.common.collect.Maps; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 22 | import com.google.common.collect.Sets; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 23 | import org.onlab.packet.Ethernet; |
| 24 | import org.onlab.packet.IPv4; |
| 25 | import org.onlab.packet.IpAddress; |
| 26 | import org.onlab.packet.IpPrefix; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 27 | import org.onlab.packet.TCP; |
| 28 | import org.onlab.packet.TpPort; |
| 29 | import org.onlab.packet.UDP; |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 30 | import org.onlab.packet.VlanId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 31 | import org.onlab.util.KryoNamespace; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 32 | import org.onlab.util.Tools; |
| 33 | import org.onosproject.cfg.ComponentConfigService; |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 34 | import org.onosproject.cfg.ConfigProperty; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 35 | import org.onosproject.cluster.ClusterService; |
| 36 | import org.onosproject.cluster.LeadershipService; |
| 37 | import org.onosproject.cluster.NodeId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 38 | import org.onosproject.core.ApplicationId; |
| 39 | import org.onosproject.core.CoreService; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 40 | import org.onosproject.mastership.MastershipService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 41 | import org.onosproject.net.DeviceId; |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 42 | import org.onosproject.net.PortNumber; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 43 | import org.onosproject.net.device.DeviceService; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 44 | import org.onosproject.net.driver.DriverService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 45 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 46 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 47 | import org.onosproject.net.flow.TrafficSelector; |
| 48 | import org.onosproject.net.flow.TrafficTreatment; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 49 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 50 | import org.onosproject.net.packet.DefaultOutboundPacket; |
| 51 | import org.onosproject.net.packet.InboundPacket; |
| 52 | import org.onosproject.net.packet.PacketContext; |
| 53 | import org.onosproject.net.packet.PacketProcessor; |
| 54 | import org.onosproject.net.packet.PacketService; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 55 | import org.onosproject.openstacknetworking.api.Constants; |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 56 | import org.onosproject.openstacknetworking.api.ExternalPeerRouter; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 57 | import org.onosproject.openstacknetworking.api.InstancePort; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 58 | import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| 59 | import org.onosproject.openstacknetworking.api.InstancePortListener; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 60 | import org.onosproject.openstacknetworking.api.InstancePortService; |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 61 | import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 62 | import org.onosproject.openstacknetworking.api.OpenstackNetwork.Type; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 63 | import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 64 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 65 | import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent; |
| 66 | import org.onosproject.openstacknetworking.api.OpenstackNetworkListener; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 67 | import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| 68 | import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 69 | import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
Jian Li | 2694976 | 2018-03-30 15:46:37 +0900 | [diff] [blame] | 70 | import org.onosproject.openstacknetworking.util.RulePopulatorUtil; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 71 | import org.onosproject.openstacknode.api.OpenstackNode; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 72 | import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| 73 | import org.onosproject.openstacknode.api.OpenstackNodeListener; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 74 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 75 | import org.onosproject.store.serializers.KryoNamespaces; |
| 76 | import org.onosproject.store.service.ConsistentMap; |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 77 | import org.onosproject.store.service.DistributedSet; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 78 | import org.onosproject.store.service.Serializer; |
| 79 | import org.onosproject.store.service.StorageService; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 80 | import org.openstack4j.model.network.ExternalGateway; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 81 | import org.openstack4j.model.network.IP; |
| 82 | import org.openstack4j.model.network.Network; |
| 83 | import org.openstack4j.model.network.Port; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 84 | import org.openstack4j.model.network.Router; |
| 85 | import org.openstack4j.model.network.RouterInterface; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 86 | import org.openstack4j.model.network.Subnet; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 87 | import org.osgi.service.component.ComponentContext; |
Jian Li | ebde74d | 2018-11-14 00:18:57 +0900 | [diff] [blame] | 88 | import org.osgi.service.component.annotations.Activate; |
| 89 | import org.osgi.service.component.annotations.Component; |
| 90 | import org.osgi.service.component.annotations.Deactivate; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 91 | import org.osgi.service.component.annotations.Modified; |
Jian Li | ebde74d | 2018-11-14 00:18:57 +0900 | [diff] [blame] | 92 | import org.osgi.service.component.annotations.Reference; |
| 93 | import org.osgi.service.component.annotations.ReferenceCardinality; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 94 | import org.slf4j.Logger; |
| 95 | |
| 96 | import java.nio.ByteBuffer; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 97 | import java.util.Dictionary; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 98 | import java.util.List; |
| 99 | import java.util.Map; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 100 | import java.util.Objects; |
| 101 | import java.util.Optional; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 102 | import java.util.Set; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 103 | import java.util.concurrent.ExecutorService; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 104 | import java.util.stream.Collectors; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 105 | |
| 106 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 107 | import static org.onlab.util.Tools.groupedThreads; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 108 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
| 109 | import static org.onosproject.openstacknetworking.api.Constants.GW_COMMON_TABLE; |
| 110 | import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 111 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_EXTERNAL_ROUTING_RULE; |
daniel park | eeb8e04 | 2018-02-21 14:06:58 +0900 | [diff] [blame] | 112 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_SNAT_RULE; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 113 | import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_STATEFUL_SNAT_RULE; |
| 114 | import static org.onosproject.openstacknetworking.api.Constants.ROUTING_TABLE; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 115 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.FLAT; |
| 116 | import static org.onosproject.openstacknetworking.api.OpenstackNetwork.Type.VLAN; |
| 117 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.USE_STATEFUL_SNAT; |
| 118 | import static org.onosproject.openstacknetworking.impl.OsgiPropertyConstants.USE_STATEFUL_SNAT_DEFAULT; |
Jian Li | ebde74d | 2018-11-14 00:18:57 +0900 | [diff] [blame] | 119 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.externalIpFromSubnet; |
| 120 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.externalPeerRouterFromSubnet; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 121 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getExternalIp; |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 122 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValueAsBoolean; |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 123 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.tunnelPortNumByNetType; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 124 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.CT_NAT_SRC_FLAG; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 125 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension; |
| 126 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 127 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 128 | import static org.slf4j.LoggerFactory.getLogger; |
| 129 | |
| 130 | /** |
| 131 | * Handle packets needs SNAT. |
| 132 | */ |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 133 | @Component( |
| 134 | immediate = true, |
| 135 | property = { |
| 136 | USE_STATEFUL_SNAT + ":Boolean=" + USE_STATEFUL_SNAT_DEFAULT |
| 137 | } |
| 138 | ) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 139 | public class OpenstackRoutingSnatHandler { |
| 140 | |
| 141 | private final Logger log = getLogger(getClass()); |
| 142 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 143 | private static final String ERR_PACKET_IN = "Failed to handle packet in: "; |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 144 | private static final String ERR_UNSUPPORTED_NET_TYPE = "Unsupported network type"; |
Ray Milkey | 3717e60 | 2018-02-01 13:49:47 -0800 | [diff] [blame] | 145 | private static final long TIME_OUT_SNAT_PORT_MS = 120L * 1000L; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 146 | private static final int TP_PORT_MINIMUM_NUM = 1025; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 147 | private static final int TP_PORT_MAXIMUM_NUM = 65535; |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 148 | private static final int VM_PREFIX = 32; |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 149 | private static final String DEVICE_OWNER_ROUTER_GW = "network:router_gateway"; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 150 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 151 | private static final String MSG_ENABLED = "Enabled "; |
| 152 | private static final String MSG_DISABLED = "Disabled "; |
| 153 | |
| 154 | /** Use Stateful SNAT for source NATing. */ |
| 155 | private boolean useStatefulSnat = USE_STATEFUL_SNAT_DEFAULT; |
| 156 | |
| 157 | private static final KryoNamespace.Builder NUMBER_SERIALIZER = |
| 158 | KryoNamespace.newBuilder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 159 | .register(KryoNamespaces.API); |
| 160 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 161 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 162 | protected CoreService coreService; |
| 163 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 164 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 165 | protected PacketService packetService; |
| 166 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 167 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 168 | protected StorageService storageService; |
| 169 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 170 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 171 | protected DeviceService deviceService; |
| 172 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 173 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 174 | protected InstancePortService instancePortService; |
| 175 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 176 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 177 | protected ComponentConfigService configService; |
| 178 | |
| 179 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 180 | protected DriverService driverService; |
| 181 | |
| 182 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 183 | protected LeadershipService leadershipService; |
| 184 | |
| 185 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 186 | protected MastershipService mastershipService; |
| 187 | |
| 188 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 189 | protected ClusterService clusterService; |
| 190 | |
| 191 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 192 | protected OpenstackNodeService osNodeService; |
| 193 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 194 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 195 | protected OpenstackNetworkAdminService osNetworkAdminService; |
| 196 | |
| 197 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 198 | protected OpenstackNetworkService osNetworkService; |
| 199 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 200 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 201 | protected OpenstackRouterService osRouterService; |
| 202 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 203 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 204 | protected OpenstackFlowRuleService osFlowRuleService; |
| 205 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 206 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 207 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 208 | private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 209 | private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| 210 | private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
| 211 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 212 | private final OpenstackNetworkListener osNetworkListener = new InternalNetworkEventListener(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 213 | |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 214 | private ConsistentMap<Integer, Long> allocatedPortNumMap; |
| 215 | private DistributedSet<Integer> unUsedPortNumSet; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 216 | private ApplicationId appId; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 217 | private NodeId localNodeId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 218 | |
| 219 | @Activate |
| 220 | protected void activate() { |
| 221 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 222 | |
| 223 | allocatedPortNumMap = storageService.<Integer, Long>consistentMapBuilder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 224 | .withSerializer(Serializer.using(NUMBER_SERIALIZER.build())) |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 225 | .withName("openstackrouting-allocated-portnummap") |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 226 | .withApplicationId(appId) |
| 227 | .build(); |
| 228 | |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 229 | unUsedPortNumSet = storageService.<Integer>setBuilder() |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 230 | .withName("openstackrouting-unused-portnumset") |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 231 | .withSerializer(Serializer.using(KryoNamespaces.API)) |
| 232 | .build() |
| 233 | .asDistributedSet(); |
| 234 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 235 | localNodeId = clusterService.getLocalNode().id(); |
| 236 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 237 | packetService.addProcessor(packetProcessor, PacketProcessor.director(1)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 238 | |
| 239 | configService.registerProperties(getClass()); |
| 240 | instancePortService.addListener(instancePortListener); |
| 241 | osRouterService.addListener(osRouterListener); |
| 242 | osNodeService.addListener(osNodeListener); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 243 | osNetworkAdminService.addListener(osNetworkListener); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 244 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 245 | eventExecutor.execute(this::initializeUnusedPortNumSet); |
| 246 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 247 | log.info("Started"); |
| 248 | } |
| 249 | |
| 250 | @Deactivate |
| 251 | protected void deactivate() { |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 252 | osNetworkAdminService.removeListener(osNetworkListener); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 253 | osRouterService.removeListener(osRouterListener); |
| 254 | osNodeService.removeListener(osNodeListener); |
| 255 | instancePortService.removeListener(instancePortListener); |
| 256 | configService.unregisterProperties(getClass(), false); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 257 | packetService.removeProcessor(packetProcessor); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 258 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 259 | eventExecutor.shutdown(); |
| 260 | log.info("Stopped"); |
| 261 | } |
| 262 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 263 | @Modified |
| 264 | protected void modified(ComponentContext context) { |
| 265 | Dictionary<?, ?> properties = context.getProperties(); |
| 266 | Boolean flag; |
| 267 | |
| 268 | flag = Tools.isPropertyEnabled(properties, USE_STATEFUL_SNAT); |
| 269 | if (flag == null) { |
| 270 | log.info("useStatefulSnat is not configured, " + |
| 271 | "using current value of {}", useStatefulSnat); |
| 272 | } else { |
| 273 | useStatefulSnat = flag; |
| 274 | log.info("Configured. useStatefulSnat is {}", |
| 275 | useStatefulSnat ? "enabled" : "disabled"); |
| 276 | } |
| 277 | |
| 278 | resetSnatRules(); |
| 279 | } |
| 280 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 281 | private void processSnatPacket(PacketContext context, Ethernet eth) { |
Jian Li | 2525721 | 2019-03-26 13:31:14 +0900 | [diff] [blame] | 282 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 283 | if (getStatefulSnatFlag()) { |
Jian Li | 2525721 | 2019-03-26 13:31:14 +0900 | [diff] [blame] | 284 | return; |
| 285 | } |
| 286 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 287 | IPv4 iPacket = (IPv4) eth.getPayload(); |
| 288 | InboundPacket packetIn = context.inPacket(); |
| 289 | |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 290 | int patPort = getPortNum(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 291 | |
| 292 | InstancePort srcInstPort = instancePortService.instancePort(eth.getSourceMAC()); |
| 293 | if (srcInstPort == null) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 294 | log.error(ERR_PACKET_IN + "source host(MAC:{}) does not exist", |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 295 | eth.getSourceMAC()); |
| 296 | return; |
| 297 | } |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 298 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 299 | IpAddress srcIp = IpAddress.valueOf(iPacket.getSourceAddress()); |
| 300 | Subnet srcSubnet = getSourceSubnet(srcInstPort, srcIp); |
Jian Li | ebde74d | 2018-11-14 00:18:57 +0900 | [diff] [blame] | 301 | IpAddress externalGatewayIp = |
| 302 | externalIpFromSubnet(srcSubnet, osRouterService, osNetworkService); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 303 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 304 | if (externalGatewayIp == null) { |
| 305 | return; |
| 306 | } |
| 307 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 308 | ExternalPeerRouter externalPeerRouter = externalPeerRouterFromSubnet( |
| 309 | srcSubnet, osRouterService, osNetworkService); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 310 | if (externalPeerRouter == null) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 311 | return; |
| 312 | } |
| 313 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 314 | populateSnatFlowRules(context.inPacket(), |
| 315 | srcInstPort, |
| 316 | TpPort.tpPort(patPort), |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 317 | externalGatewayIp, externalPeerRouter); |
| 318 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 319 | |
Ray Milkey | f0c4761 | 2017-09-28 11:29:38 -0700 | [diff] [blame] | 320 | packetOut(eth.duplicate(), |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 321 | packetIn.receivedFrom().deviceId(), |
| 322 | patPort, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 323 | externalGatewayIp, externalPeerRouter); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 324 | } |
| 325 | |
| 326 | private Subnet getSourceSubnet(InstancePort instance, IpAddress srcIp) { |
| 327 | Port osPort = osNetworkService.port(instance.portId()); |
| 328 | IP fixedIp = osPort.getFixedIps().stream() |
| 329 | .filter(ip -> IpAddress.valueOf(ip.getIpAddress()).equals(srcIp)) |
| 330 | .findAny().orElse(null); |
| 331 | if (fixedIp == null) { |
| 332 | return null; |
| 333 | } |
| 334 | return osNetworkService.subnet(fixedIp.getSubnetId()); |
| 335 | } |
| 336 | |
Jian Li | 5ecfd1a | 2018-12-10 11:41:03 +0900 | [diff] [blame] | 337 | private void populateSnatFlowRules(InboundPacket packetIn, |
| 338 | InstancePort srcInstPort, |
| 339 | TpPort patPort, IpAddress externalIp, |
| 340 | ExternalPeerRouter externalPeerRouter) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 341 | Network osNet = osNetworkService.network(srcInstPort.networkId()); |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 342 | Type netType = osNetworkService.networkType(srcInstPort.networkId()); |
| 343 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 344 | if (osNet == null) { |
Jian Li | 71670d1 | 2018-03-02 21:31:07 +0900 | [diff] [blame] | 345 | final String error = String.format("%s network %s not found", |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 346 | ERR_PACKET_IN, srcInstPort.networkId()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 347 | throw new IllegalStateException(error); |
| 348 | } |
| 349 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 350 | setStatelessSnatDownstreamRules(srcInstPort, |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 351 | osNet.getProviderSegID(), |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 352 | netType, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 353 | externalIp, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 354 | externalPeerRouter, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 355 | patPort, |
| 356 | packetIn); |
| 357 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 358 | setStatelessSnatUpstreamRules(osNet.getProviderSegID(), |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 359 | netType, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 360 | externalIp, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 361 | externalPeerRouter, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 362 | patPort, |
| 363 | packetIn); |
| 364 | } |
| 365 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 366 | private void setStatelessSnatDownstreamRules(InstancePort srcInstPort, |
| 367 | String segmentId, |
| 368 | Type networkType, |
| 369 | IpAddress externalIp, |
| 370 | ExternalPeerRouter externalPeerRouter, |
| 371 | TpPort patPort, |
| 372 | InboundPacket packetIn) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 373 | IPv4 iPacket = (IPv4) packetIn.parsed().getPayload(); |
| 374 | IpAddress internalIp = IpAddress.valueOf(iPacket.getSourceAddress()); |
| 375 | |
| 376 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 377 | .matchEthType(Ethernet.TYPE_IPV4) |
| 378 | .matchIPProtocol(iPacket.getProtocol()) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 379 | .matchIPDst(IpPrefix.valueOf(externalIp.getIp4Address(), VM_PREFIX)) |
| 380 | .matchIPSrc(IpPrefix.valueOf(iPacket.getDestinationAddress(), VM_PREFIX)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 381 | |
| 382 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 383 | .setEthDst(packetIn.parsed().getSourceMAC()) |
| 384 | .setIpDst(internalIp); |
| 385 | |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 386 | if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| 387 | sBuilder.matchVlanId(externalPeerRouter.vlanId()); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 388 | tBuilder.popVlan(); |
| 389 | } |
| 390 | |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 391 | switch (networkType) { |
| 392 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 393 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 394 | case GENEVE: |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 395 | tBuilder.setTunnelId(Long.parseLong(segmentId)); |
| 396 | break; |
| 397 | case VLAN: |
| 398 | tBuilder.pushVlan() |
Daniel Park | c64b4c6 | 2018-05-09 18:13:39 +0900 | [diff] [blame] | 399 | .setVlanId(VlanId.vlanId(segmentId)); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 400 | break; |
| 401 | default: |
Jian Li | 71670d1 | 2018-03-02 21:31:07 +0900 | [diff] [blame] | 402 | final String error = String.format("%s %s", |
| 403 | ERR_UNSUPPORTED_NET_TYPE, networkType.toString()); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 404 | throw new IllegalStateException(error); |
| 405 | } |
| 406 | |
| 407 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 408 | switch (iPacket.getProtocol()) { |
| 409 | case IPv4.PROTOCOL_TCP: |
| 410 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 411 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getDestinationPort())) |
| 412 | .matchTcpDst(patPort); |
| 413 | tBuilder.setTcpDst(TpPort.tpPort(tcpPacket.getSourcePort())); |
| 414 | break; |
| 415 | case IPv4.PROTOCOL_UDP: |
| 416 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 417 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getDestinationPort())) |
| 418 | .matchUdpDst(patPort); |
| 419 | tBuilder.setUdpDst(TpPort.tpPort(udpPacket.getSourcePort())); |
| 420 | break; |
| 421 | default: |
| 422 | break; |
| 423 | } |
| 424 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 425 | OpenstackNode srcNode = osNodeService.node(srcInstPort.deviceId()); |
| 426 | osNodeService.completeNodes(GATEWAY).forEach(gNode -> { |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 427 | TrafficTreatment treatment = |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 428 | getDownstreamTreatment(networkType, tBuilder, gNode, srcNode); |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 429 | osFlowRuleService.setRule( |
| 430 | appId, |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 431 | gNode.intgBridge(), |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 432 | sBuilder.build(), |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 433 | treatment, |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 434 | PRIORITY_SNAT_RULE, |
| 435 | GW_COMMON_TABLE, |
| 436 | true); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 437 | }); |
| 438 | } |
| 439 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 440 | private TrafficTreatment getDownstreamTreatment(Type networkType, |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 441 | TrafficTreatment.Builder tBuilder, |
| 442 | OpenstackNode gNode, |
| 443 | OpenstackNode srcNode) { |
| 444 | TrafficTreatment.Builder tmpBuilder = |
| 445 | DefaultTrafficTreatment.builder(tBuilder.build()); |
| 446 | switch (networkType) { |
| 447 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 448 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 449 | case GENEVE: |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 450 | PortNumber portNum = tunnelPortNumByNetType(networkType, gNode); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 451 | tmpBuilder.extension(RulePopulatorUtil.buildExtension( |
| 452 | deviceService, |
| 453 | gNode.intgBridge(), |
| 454 | srcNode.dataIp().getIp4Address()), gNode.intgBridge()) |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 455 | .setOutput(portNum); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 456 | break; |
| 457 | case VLAN: |
| 458 | tmpBuilder.setOutput(gNode.vlanPortNum()); |
| 459 | break; |
| 460 | default: |
| 461 | final String error = String.format("%s %s", |
| 462 | ERR_UNSUPPORTED_NET_TYPE, networkType.toString()); |
| 463 | throw new IllegalStateException(error); |
| 464 | } |
| 465 | |
| 466 | return tmpBuilder.build(); |
| 467 | } |
| 468 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 469 | private void setStatelessSnatUpstreamRules(String segmentId, |
| 470 | Type networkType, |
| 471 | IpAddress externalIp, |
| 472 | ExternalPeerRouter externalPeerRouter, |
| 473 | TpPort patPort, |
| 474 | InboundPacket packetIn) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 475 | IPv4 iPacket = (IPv4) packetIn.parsed().getPayload(); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 476 | |
| 477 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 478 | .matchEthType(Ethernet.TYPE_IPV4) |
| 479 | .matchIPProtocol(iPacket.getProtocol()) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 480 | .matchIPSrc(IpPrefix.valueOf(iPacket.getSourceAddress(), VM_PREFIX)) |
| 481 | .matchIPDst(IpPrefix.valueOf(iPacket.getDestinationAddress(), VM_PREFIX)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 482 | |
| 483 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 484 | |
| 485 | switch (networkType) { |
| 486 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 487 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 488 | case GENEVE: |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 489 | sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| 490 | break; |
| 491 | case VLAN: |
| 492 | sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| 493 | tBuilder.popVlan(); |
| 494 | break; |
| 495 | default: |
Jian Li | 71670d1 | 2018-03-02 21:31:07 +0900 | [diff] [blame] | 496 | final String error = String.format("%s %s", |
| 497 | ERR_UNSUPPORTED_NET_TYPE, networkType.toString()); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 498 | throw new IllegalStateException(error); |
| 499 | } |
| 500 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 501 | switch (iPacket.getProtocol()) { |
| 502 | case IPv4.PROTOCOL_TCP: |
| 503 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 504 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getSourcePort())) |
| 505 | .matchTcpDst(TpPort.tpPort(tcpPacket.getDestinationPort())); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 506 | tBuilder.setTcpSrc(patPort).setEthDst(externalPeerRouter.macAddress()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 507 | break; |
| 508 | case IPv4.PROTOCOL_UDP: |
| 509 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 510 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getSourcePort())) |
| 511 | .matchUdpDst(TpPort.tpPort(udpPacket.getDestinationPort())); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 512 | tBuilder.setUdpSrc(patPort).setEthDst(externalPeerRouter.macAddress()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 513 | break; |
| 514 | default: |
| 515 | log.debug("Unsupported IPv4 protocol {}"); |
| 516 | break; |
| 517 | } |
| 518 | |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 519 | if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| 520 | tBuilder.pushVlan().setVlanId(externalPeerRouter.vlanId()); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 521 | } |
| 522 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 523 | tBuilder.setIpSrc(externalIp); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 524 | osNodeService.completeNodes(GATEWAY).forEach(gNode -> { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 525 | TrafficTreatment.Builder tmpBuilder = |
| 526 | DefaultTrafficTreatment.builder(tBuilder.build()); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 527 | tmpBuilder.setOutput(gNode.uplinkPortNum()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 528 | |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 529 | osFlowRuleService.setRule( |
| 530 | appId, |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 531 | gNode.intgBridge(), |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 532 | sBuilder.build(), |
| 533 | tmpBuilder.build(), |
| 534 | PRIORITY_SNAT_RULE, |
| 535 | GW_COMMON_TABLE, |
| 536 | true); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 537 | }); |
| 538 | } |
| 539 | |
| 540 | private void packetOut(Ethernet ethPacketIn, DeviceId srcDevice, int patPort, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 541 | IpAddress externalIp, ExternalPeerRouter externalPeerRouter) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 542 | IPv4 iPacket = (IPv4) ethPacketIn.getPayload(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 543 | switch (iPacket.getProtocol()) { |
| 544 | case IPv4.PROTOCOL_TCP: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 545 | iPacket.setPayload(buildPacketOutTcp(iPacket, patPort)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 546 | break; |
| 547 | case IPv4.PROTOCOL_UDP: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 548 | iPacket.setPayload(buildPacketOutUdp(iPacket, patPort)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 549 | break; |
| 550 | default: |
| 551 | log.trace("Temporally, this method can process UDP and TCP protocol."); |
| 552 | return; |
| 553 | } |
| 554 | |
| 555 | iPacket.setSourceAddress(externalIp.toString()); |
| 556 | iPacket.resetChecksum(); |
| 557 | iPacket.setParent(ethPacketIn); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 558 | ethPacketIn.setSourceMACAddress(DEFAULT_GATEWAY_MAC); |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 559 | ethPacketIn.setDestinationMACAddress(externalPeerRouter.macAddress()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 560 | ethPacketIn.setPayload(iPacket); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 561 | |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 562 | if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| 563 | ethPacketIn.setVlanID(externalPeerRouter.vlanId().toShort()); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 564 | } |
| 565 | |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 566 | ethPacketIn.resetChecksum(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 567 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 568 | OpenstackNode srcNode = osNodeService.node(srcDevice); |
| 569 | if (srcNode == null) { |
| 570 | final String error = String.format("Cannot find openstack node for %s", |
| 571 | srcDevice); |
| 572 | throw new IllegalStateException(error); |
| 573 | } |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 574 | |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 575 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 576 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 577 | packetService.emit(new DefaultOutboundPacket( |
| 578 | srcDevice, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 579 | tBuilder.setOutput(srcNode.uplinkPortNum()).build(), |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 580 | ByteBuffer.wrap(ethPacketIn.serialize()))); |
| 581 | } |
| 582 | |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 583 | private TCP buildPacketOutTcp(IPv4 iPacket, int patPort) { |
| 584 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 585 | tcpPacket.setSourcePort(patPort); |
| 586 | tcpPacket.resetChecksum(); |
| 587 | tcpPacket.setParent(iPacket); |
| 588 | |
| 589 | return tcpPacket; |
| 590 | } |
| 591 | |
| 592 | private UDP buildPacketOutUdp(IPv4 iPacket, int patPort) { |
| 593 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 594 | udpPacket.setSourcePort(patPort); |
| 595 | udpPacket.resetChecksum(); |
| 596 | udpPacket.setParent(iPacket); |
| 597 | |
| 598 | return udpPacket; |
| 599 | } |
| 600 | |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 601 | private int getPortNum() { |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 602 | if (unUsedPortNumSet.isEmpty()) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 603 | clearPortNumMap(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 604 | } |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 605 | int portNum = findUnusedPortNum(); |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 606 | if (portNum != 0) { |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 607 | unUsedPortNumSet.remove(portNum); |
| 608 | allocatedPortNumMap.put(portNum, System.currentTimeMillis()); |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 609 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 610 | return portNum; |
| 611 | } |
| 612 | |
| 613 | private int findUnusedPortNum() { |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 614 | return unUsedPortNumSet.stream().findAny().orElse(0); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 615 | } |
| 616 | |
| 617 | private void clearPortNumMap() { |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 618 | allocatedPortNumMap.entrySet().forEach(e -> { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 619 | if (System.currentTimeMillis() - |
| 620 | e.getValue().value() > TIME_OUT_SNAT_PORT_MS) { |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 621 | allocatedPortNumMap.remove(e.getKey()); |
| 622 | unUsedPortNumSet.add(e.getKey()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 623 | } |
| 624 | }); |
| 625 | } |
| 626 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 627 | private void initializeUnusedPortNumSet() { |
| 628 | for (int i = TP_PORT_MINIMUM_NUM; i < TP_PORT_MAXIMUM_NUM; i++) { |
| 629 | if (!allocatedPortNumMap.containsKey(i)) { |
| 630 | unUsedPortNumSet.add(i); |
| 631 | } |
| 632 | } |
| 633 | |
| 634 | clearPortNumMap(); |
| 635 | } |
| 636 | |
| 637 | private void resetSnatRules() { |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 638 | if (getStatefulSnatFlag()) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 639 | osRouterService.routerInterfaces().forEach( |
| 640 | routerIface -> { |
| 641 | setReactiveSnatRules(routerIface, false); |
| 642 | setStatefulSnatRules(routerIface, true); |
| 643 | } |
| 644 | ); |
| 645 | } else { |
| 646 | osRouterService.routerInterfaces().forEach( |
| 647 | routerIface -> { |
| 648 | setStatefulSnatRules(routerIface, false); |
| 649 | setReactiveSnatRules(routerIface, true); |
| 650 | } |
| 651 | ); |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | private void setRulesToGateway(OpenstackNode osNode, |
| 656 | String segmentId, |
| 657 | IpPrefix srcSubnet, |
| 658 | Type networkType, |
| 659 | boolean install) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 660 | OpenstackNode sourceNatGateway = osNodeService.completeNodes(GATEWAY) |
| 661 | .stream().findFirst().orElse(null); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 662 | |
| 663 | if (sourceNatGateway == null) { |
| 664 | return; |
| 665 | } |
| 666 | |
| 667 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 668 | .matchEthType(Ethernet.TYPE_IPV4) |
| 669 | .matchIPSrc(srcSubnet.getIp4Prefix()) |
| 670 | .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| 671 | |
| 672 | switch (networkType) { |
| 673 | case VXLAN: |
| 674 | case GRE: |
| 675 | case GENEVE: |
| 676 | sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| 677 | break; |
| 678 | case VLAN: |
| 679 | sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| 680 | break; |
| 681 | default: |
| 682 | final String error = String.format("%s %s", |
| 683 | ERR_UNSUPPORTED_NET_TYPE, |
| 684 | networkType.toString()); |
| 685 | throw new IllegalStateException(error); |
| 686 | } |
| 687 | |
| 688 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 689 | |
| 690 | switch (networkType) { |
| 691 | case VXLAN: |
| 692 | case GRE: |
| 693 | case GENEVE: |
| 694 | PortNumber portNum = tunnelPortNumByNetType(networkType, osNode); |
| 695 | tBuilder.extension(buildExtension( |
| 696 | deviceService, |
| 697 | osNode.intgBridge(), |
| 698 | sourceNatGateway.dataIp().getIp4Address()), |
| 699 | osNode.intgBridge()) |
| 700 | .setOutput(portNum); |
| 701 | break; |
| 702 | |
| 703 | case VLAN: |
| 704 | tBuilder.setOutput(osNode.vlanPortNum()); |
| 705 | break; |
| 706 | |
| 707 | default: |
| 708 | break; |
| 709 | } |
| 710 | |
| 711 | osFlowRuleService.setRule( |
| 712 | appId, |
| 713 | osNode.intgBridge(), |
| 714 | sBuilder.build(), |
| 715 | tBuilder.build(), |
| 716 | PRIORITY_EXTERNAL_ROUTING_RULE, |
| 717 | ROUTING_TABLE, |
| 718 | install); |
| 719 | } |
| 720 | |
| 721 | |
| 722 | private void routerUpdated(Router osRouter) { |
| 723 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 724 | |
| 725 | ExternalPeerRouter externalPeerRouter = |
| 726 | osNetworkAdminService.externalPeerRouter(exGateway); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 727 | VlanId vlanId = externalPeerRouter == null ? |
| 728 | VlanId.NONE : externalPeerRouter.vlanId(); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 729 | |
| 730 | if (exGateway == null) { |
| 731 | deleteUnassociatedExternalPeerRouter(); |
| 732 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> |
| 733 | setSourceNat(iface, false)); |
| 734 | } else { |
| 735 | osNetworkAdminService.deriveExternalPeerRouterMac(exGateway, osRouter, vlanId); |
| 736 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> |
| 737 | setSourceNat(iface, exGateway.isEnableSnat())); |
| 738 | } |
| 739 | } |
| 740 | |
| 741 | private void deleteUnassociatedExternalPeerRouter() { |
| 742 | log.trace("Deleting unassociated external peer router"); |
| 743 | |
| 744 | try { |
| 745 | Set<String> routerIps = Sets.newConcurrentHashSet(); |
| 746 | |
| 747 | osRouterService.routers().stream() |
| 748 | .filter(router -> getGatewayIpAddress(router) != null) |
| 749 | .map(router -> getGatewayIpAddress(router).toString()) |
| 750 | .forEach(routerIps::add); |
| 751 | |
| 752 | osNetworkAdminService.externalPeerRouters().stream() |
| 753 | .filter(externalPeerRouter -> |
| 754 | !routerIps.contains(externalPeerRouter.ipAddress().toString())) |
| 755 | .forEach(externalPeerRouter -> { |
| 756 | osNetworkAdminService |
| 757 | .deleteExternalPeerRouter( |
| 758 | externalPeerRouter.ipAddress().toString()); |
| 759 | log.trace("Deleted unassociated external peer router {}", |
| 760 | externalPeerRouter.ipAddress().toString()); |
| 761 | }); |
| 762 | } catch (Exception e) { |
| 763 | log.error("Exception occurred because of {}", e.toString()); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | private void routerIfaceAdded(Router osRouter, RouterInterface osRouterIface) { |
| 768 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 769 | if (exGateway != null && exGateway.isEnableSnat()) { |
| 770 | setSourceNat(osRouterIface, true); |
| 771 | } |
| 772 | } |
| 773 | |
| 774 | private void routerIfaceRemoved(Router osRouter, RouterInterface osRouterIface) { |
| 775 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 776 | if (exGateway != null && exGateway.isEnableSnat()) { |
| 777 | setSourceNat(osRouterIface, false); |
| 778 | } |
| 779 | } |
| 780 | |
| 781 | private void setSourceNat(RouterInterface routerIface, boolean install) { |
| 782 | Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId()); |
| 783 | Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId()); |
| 784 | Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId()); |
| 785 | |
| 786 | osNodeService.completeNodes(COMPUTE).forEach(cNode -> { |
| 787 | setRulesToGateway(cNode, osNet.getProviderSegID(), |
| 788 | IpPrefix.valueOf(osSubnet.getCidr()), netType, install); |
| 789 | }); |
| 790 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 791 | if (getStatefulSnatFlag()) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 792 | setStatefulSnatRules(routerIface, install); |
| 793 | } else { |
| 794 | setReactiveSnatRules(routerIface, install); |
| 795 | } |
| 796 | |
| 797 | final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| 798 | log.info(updateStr + "external access for subnet({})", osSubnet.getCidr()); |
| 799 | } |
| 800 | |
| 801 | private void setStatefulSnatRules(RouterInterface routerIface, boolean install) { |
| 802 | Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId()); |
| 803 | Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId()); |
| 804 | Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId()); |
| 805 | |
| 806 | if (netType == FLAT) { |
| 807 | return; |
| 808 | } |
| 809 | |
| 810 | Optional<Router> osRouter = osRouterService.routers().stream() |
| 811 | .filter(router -> osRouterService.routerInterfaces(routerIface.getId()) != null) |
| 812 | .findAny(); |
| 813 | |
| 814 | if (!osRouter.isPresent()) { |
| 815 | log.error("Cannot find a router for router interface {} ", routerIface); |
| 816 | return; |
| 817 | } |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 818 | |
| 819 | IpAddress natAddress = getExternalIp(osRouter.get(), osNetworkService); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 820 | if (natAddress == null) { |
| 821 | return; |
| 822 | } |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 823 | |
| 824 | IpAddress extRouterAddress = getGatewayIpAddress(osRouter.get()); |
| 825 | if (extRouterAddress == null) { |
| 826 | return; |
| 827 | } |
| 828 | |
| 829 | ExternalPeerRouter externalPeerRouter = |
| 830 | osNetworkService.externalPeerRouter(extRouterAddress); |
| 831 | if (externalPeerRouter == null) { |
| 832 | return; |
| 833 | } |
| 834 | |
Jian Li | fdb8d87 | 2019-04-08 10:38:58 +0900 | [diff] [blame] | 835 | String netId = osNetworkAdminService.subnet(routerIface.getSubnetId()).getNetworkId(); |
| 836 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 837 | Map<OpenstackNode, PortRange> gwPortRangeMap = getAssignedPortsForGateway( |
Jian Li | 2525721 | 2019-03-26 13:31:14 +0900 | [diff] [blame] | 838 | ImmutableList.copyOf(osNodeService.nodes(GATEWAY))); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 839 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 840 | osNodeService.completeNodes(GATEWAY).forEach(gwNode -> { |
| 841 | if (install) { |
| 842 | PortRange gwPortRange = gwPortRangeMap.get(gwNode); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 843 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 844 | Map<String, PortRange> netPortRangeMap = |
| 845 | getAssignedPortsForNet(getNetIdByRouterId(routerIface.getId()), |
| 846 | gwPortRange.min(), gwPortRange.max()); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 847 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 848 | PortRange netPortRange = netPortRangeMap.get(osNet.getId()); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 849 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 850 | setStatefulSnatUpstreamRule(gwNode, natAddress, |
| 851 | Long.parseLong(osNet.getProviderSegID()), |
| 852 | externalPeerRouter, netPortRange.min(), |
| 853 | netPortRange.max(), install); |
| 854 | } else { |
| 855 | setStatefulSnatUpstreamRule(gwNode, natAddress, |
| 856 | Long.parseLong(osNet.getProviderSegID()), |
| 857 | externalPeerRouter, 0, 0, install); |
| 858 | } |
| 859 | }); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 860 | } |
| 861 | |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 862 | private void setStatefulDownstreamRules(Router osRouter, boolean install) { |
| 863 | |
Jian Li | 820ec7b | 2019-04-03 22:01:33 +0900 | [diff] [blame] | 864 | if (!getStatefulSnatFlag()) { |
| 865 | return; |
| 866 | } |
| 867 | |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 868 | IpAddress natAddress = getExternalIp(osRouter, osNetworkAdminService); |
| 869 | if (natAddress == null) { |
| 870 | return; |
| 871 | } |
| 872 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 873 | setStatefulDownstreamRules(natAddress, install); |
| 874 | } |
| 875 | |
| 876 | private void setStatefulDownstreamRules(IpAddress natAddress, boolean install) { |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 877 | osNodeService.completeNodes(GATEWAY) |
| 878 | .forEach(gwNode -> { |
| 879 | setStatefulSnatDownstreamRule(gwNode.intgBridge(), |
| 880 | IpPrefix.valueOf(natAddress, VM_PREFIX), install); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 881 | }); |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 882 | } |
| 883 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 884 | private List<String> getNetIdByRouterId(String routerId) { |
| 885 | return osRouterService.routerInterfaces(routerId) |
| 886 | .stream() |
| 887 | .filter(ri -> osRouterService.router(ri.getId()) |
| 888 | .getExternalGatewayInfo().isEnableSnat()) |
| 889 | .map(RouterInterface::getSubnetId) |
| 890 | .map(si -> osNetworkAdminService.subnet(si)) |
| 891 | .map(Subnet::getNetworkId) |
| 892 | .collect(Collectors.toList()); |
| 893 | } |
| 894 | |
| 895 | private Map<OpenstackNode, PortRange> |
| 896 | getAssignedPortsForGateway(List<OpenstackNode> gateways) { |
| 897 | |
| 898 | Map<OpenstackNode, PortRange> gwPortRangeMap = Maps.newConcurrentMap(); |
| 899 | |
| 900 | int portRangeNumPerGwNode = |
| 901 | (TP_PORT_MAXIMUM_NUM - TP_PORT_MINIMUM_NUM + 1) / gateways.size(); |
| 902 | |
| 903 | for (int i = 0; i < gateways.size(); i++) { |
| 904 | int gwPortRangeMin = TP_PORT_MINIMUM_NUM + i * portRangeNumPerGwNode; |
| 905 | int gwPortRangeMax = TP_PORT_MINIMUM_NUM + (i + 1) * portRangeNumPerGwNode - 1; |
| 906 | |
| 907 | gwPortRangeMap.put(gateways.get(i), |
| 908 | new PortRange(gwPortRangeMin, gwPortRangeMax)); |
| 909 | } |
| 910 | |
| 911 | return gwPortRangeMap; |
| 912 | } |
| 913 | |
| 914 | private Map<String, PortRange> getAssignedPortsForNet(List<String> netIds, |
| 915 | int min, int max) { |
| 916 | |
| 917 | Map<String, PortRange> netPortRangeMap = Maps.newConcurrentMap(); |
| 918 | |
| 919 | int portRangeNumPerNet = (max - min + 1) / netIds.size(); |
| 920 | |
| 921 | for (int i = 0; i < netIds.size(); i++) { |
| 922 | int netPortRangeMin = min + i * portRangeNumPerNet; |
| 923 | int netPortRangeMax = min + (i + 1) * portRangeNumPerNet - 1; |
| 924 | |
| 925 | netPortRangeMap.put(netIds.get(i), |
| 926 | new PortRange(netPortRangeMin, netPortRangeMax)); |
| 927 | } |
| 928 | |
| 929 | return netPortRangeMap; |
| 930 | } |
| 931 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 932 | private IpAddress getGatewayIpAddress(Router osRouter) { |
| 933 | |
| 934 | if (osRouter.getExternalGatewayInfo() == null) { |
| 935 | return null; |
| 936 | } |
| 937 | String extNetId = osNetworkAdminService.network( |
| 938 | osRouter.getExternalGatewayInfo().getNetworkId()).getId(); |
| 939 | Optional<Subnet> extSubnet = osNetworkAdminService.subnets().stream() |
| 940 | .filter(subnet -> subnet.getNetworkId().equals(extNetId)) |
| 941 | .findAny(); |
| 942 | |
| 943 | if (!extSubnet.isPresent()) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 944 | log.error("Cannot find external subnet for the router"); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 945 | return null; |
| 946 | } |
| 947 | |
| 948 | return IpAddress.valueOf(extSubnet.get().getGateway()); |
| 949 | } |
| 950 | |
| 951 | private void setReactiveSnatRules(RouterInterface routerIface, boolean install) { |
| 952 | Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId()); |
| 953 | Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId()); |
| 954 | Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId()); |
| 955 | |
| 956 | osNodeService.completeNodes(GATEWAY) |
| 957 | .forEach(gwNode -> setRulesToController( |
| 958 | gwNode.intgBridge(), |
| 959 | osNet.getProviderSegID(), |
| 960 | IpPrefix.valueOf(osSubnet.getCidr()), |
| 961 | netType, |
| 962 | install)); |
| 963 | } |
| 964 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 965 | private void setGatewayToInstanceDownstreamRule(OpenstackNode gwNode, |
| 966 | InstancePort instPort, |
| 967 | boolean install) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 968 | |
| 969 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 970 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 971 | .matchIPDst(IpPrefix.valueOf(instPort.ipAddress(), VM_PREFIX)) |
| 972 | .build(); |
| 973 | |
| 974 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 975 | .setEthDst(instPort.macAddress()); |
| 976 | |
| 977 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 978 | String segId = osNetworkAdminService.segmentId(instPort.networkId()); |
| 979 | |
| 980 | switch (netType) { |
| 981 | case VXLAN: |
| 982 | case GRE: |
| 983 | case GENEVE: |
| 984 | tBuilder.setTunnelId(Long.valueOf(segId)); |
| 985 | break; |
| 986 | case VLAN: |
| 987 | default: |
| 988 | final String error = String.format("%s %s", |
| 989 | ERR_UNSUPPORTED_NET_TYPE, netType.name()); |
| 990 | throw new IllegalStateException(error); |
| 991 | } |
| 992 | |
| 993 | OpenstackNode srcNode = osNodeService.node(instPort.deviceId()); |
| 994 | TrafficTreatment treatment = |
| 995 | getDownstreamTreatment(netType, tBuilder, gwNode, srcNode); |
| 996 | |
| 997 | osFlowRuleService.setRule( |
| 998 | appId, |
| 999 | gwNode.intgBridge(), |
| 1000 | selector, |
| 1001 | treatment, |
| 1002 | PRIORITY_STATEFUL_SNAT_RULE, |
| 1003 | GW_COMMON_TABLE, |
| 1004 | install); |
| 1005 | } |
| 1006 | |
| 1007 | private void setStatefulSnatDownstreamRule(DeviceId deviceId, |
| 1008 | IpPrefix gatewayIp, |
| 1009 | boolean install) { |
| 1010 | |
Jian Li | fdb8d87 | 2019-04-08 10:38:58 +0900 | [diff] [blame] | 1011 | Set<TrafficSelector> selectors = Sets.newConcurrentHashSet(); |
| 1012 | |
| 1013 | ImmutableSet<Byte> ipv4Proto = ImmutableSet.of(IPv4.PROTOCOL_TCP, IPv4.PROTOCOL_UDP); |
| 1014 | |
| 1015 | ipv4Proto.forEach(proto -> { |
| 1016 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 1017 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 1018 | .matchIPDst(gatewayIp) |
| 1019 | .matchIPProtocol(proto); |
| 1020 | selectors.add(sBuilder.build()); |
| 1021 | }); |
| 1022 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1023 | |
| 1024 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 1025 | .niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 1026 | .commit(false) |
| 1027 | .natAction(true) |
| 1028 | .table((short) 0) |
| 1029 | .build(); |
| 1030 | |
| 1031 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1032 | .extension(natTreatment, deviceId) |
| 1033 | .build(); |
| 1034 | |
Jian Li | fdb8d87 | 2019-04-08 10:38:58 +0900 | [diff] [blame] | 1035 | selectors.forEach(s -> { |
| 1036 | osFlowRuleService.setRule( |
| 1037 | appId, |
| 1038 | deviceId, |
| 1039 | s, |
| 1040 | treatment, |
| 1041 | PRIORITY_STATEFUL_SNAT_RULE, |
| 1042 | GW_COMMON_TABLE, |
| 1043 | install); |
| 1044 | }); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1045 | } |
| 1046 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1047 | private void setStatefulSnatUpstreamRule(OpenstackNode gwNode, |
| 1048 | IpAddress gatewayIp, |
| 1049 | long vni, |
| 1050 | ExternalPeerRouter extPeerRouter, |
| 1051 | int minPortNum, |
| 1052 | int maxPortNum, |
| 1053 | boolean install) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1054 | |
| 1055 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 1056 | .matchEthType(Ethernet.TYPE_IPV4) |
| 1057 | .matchEthDst(DEFAULT_GATEWAY_MAC) |
| 1058 | .matchTunnelId(vni) |
| 1059 | .build(); |
| 1060 | |
Jian Li | a299519 | 2019-04-02 14:13:04 +0900 | [diff] [blame] | 1061 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1062 | |
Jian Li | a299519 | 2019-04-02 14:13:04 +0900 | [diff] [blame] | 1063 | // we do not consider to much like port range on removing the rules... |
| 1064 | if (install) { |
| 1065 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 1066 | .niciraConnTrackTreatmentBuilder(driverService, gwNode.intgBridge()) |
| 1067 | .commit(true) |
| 1068 | .natFlag(CT_NAT_SRC_FLAG) |
| 1069 | .natAction(true) |
| 1070 | .natIp(gatewayIp) |
| 1071 | .natPortMin(TpPort.tpPort(minPortNum)) |
| 1072 | .natPortMax(TpPort.tpPort(maxPortNum)) |
| 1073 | .build(); |
| 1074 | |
| 1075 | tBuilder.extension(natTreatment, gwNode.intgBridge()) |
| 1076 | .setEthDst(extPeerRouter.macAddress()) |
| 1077 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 1078 | .setOutput(gwNode.uplinkPortNum()); |
| 1079 | } |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1080 | |
| 1081 | osFlowRuleService.setRule( |
| 1082 | appId, |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1083 | gwNode.intgBridge(), |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1084 | selector, |
Jian Li | a299519 | 2019-04-02 14:13:04 +0900 | [diff] [blame] | 1085 | tBuilder.build(), |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1086 | PRIORITY_STATEFUL_SNAT_RULE, |
| 1087 | GW_COMMON_TABLE, |
| 1088 | install); |
| 1089 | } |
| 1090 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1091 | private void setRulesToController(DeviceId deviceId, |
| 1092 | String segmentId, |
| 1093 | IpPrefix srcSubnet, |
| 1094 | Type networkType, |
| 1095 | boolean install) { |
| 1096 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 1097 | .matchEthType(Ethernet.TYPE_IPV4) |
| 1098 | .matchIPSrc(srcSubnet) |
| 1099 | .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| 1100 | |
| 1101 | switch (networkType) { |
| 1102 | case VXLAN: |
| 1103 | case GRE: |
| 1104 | case GENEVE: |
| 1105 | sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| 1106 | break; |
| 1107 | case VLAN: |
| 1108 | sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| 1109 | break; |
| 1110 | default: |
| 1111 | final String error = String.format("%s %s", |
| 1112 | ERR_UNSUPPORTED_NET_TYPE, |
| 1113 | networkType.toString()); |
| 1114 | throw new IllegalStateException(error); |
| 1115 | } |
| 1116 | |
| 1117 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 1118 | |
| 1119 | if (networkType == VLAN) { |
| 1120 | tBuilder.popVlan(); |
| 1121 | } |
| 1122 | |
| 1123 | tBuilder.punt(); |
| 1124 | |
| 1125 | osFlowRuleService.setRule( |
| 1126 | appId, |
| 1127 | deviceId, |
| 1128 | sBuilder.build(), |
| 1129 | tBuilder.build(), |
| 1130 | PRIORITY_EXTERNAL_ROUTING_RULE, |
| 1131 | GW_COMMON_TABLE, |
| 1132 | install); |
| 1133 | } |
| 1134 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1135 | private boolean getStatefulSnatFlag() { |
| 1136 | Set<ConfigProperty> properties = |
| 1137 | configService.getProperties(getClass().getName()); |
| 1138 | return getPropertyValueAsBoolean(properties, USE_STATEFUL_SNAT); |
| 1139 | } |
| 1140 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1141 | private class InternalInstancePortListener implements InstancePortListener { |
| 1142 | |
| 1143 | private boolean isRelevantHelper(InstancePortEvent event) { |
| 1144 | return mastershipService.isLocalMaster(event.subject().deviceId()); |
| 1145 | } |
| 1146 | |
| 1147 | @Override |
| 1148 | public void event(InstancePortEvent event) { |
| 1149 | InstancePort instPort = event.subject(); |
| 1150 | switch (event.type()) { |
| 1151 | case OPENSTACK_INSTANCE_PORT_DETECTED: |
| 1152 | case OPENSTACK_INSTANCE_PORT_UPDATED: |
| 1153 | eventExecutor.execute(() -> |
| 1154 | processInstancePortDetection(event, instPort)); |
| 1155 | break; |
| 1156 | case OPENSTACK_INSTANCE_PORT_VANISHED: |
| 1157 | eventExecutor.execute(() -> |
| 1158 | processInstancePortRemoval(event, instPort)); |
| 1159 | break; |
| 1160 | case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
| 1161 | eventExecutor.execute(() -> |
| 1162 | processInstanceMigrationStart(event, instPort)); |
| 1163 | break; |
| 1164 | case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
| 1165 | eventExecutor.execute(() -> |
| 1166 | processInstanceMigrationEnd(event, instPort)); |
| 1167 | break; |
| 1168 | default: |
| 1169 | break; |
| 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | private void processInstancePortDetection(InstancePortEvent event, |
| 1174 | InstancePort instPort) { |
| 1175 | if (!isRelevantHelper(event)) { |
| 1176 | return; |
| 1177 | } |
| 1178 | |
| 1179 | log.info("RoutingHandler: Instance port detected MAC:{} IP:{}", |
| 1180 | instPort.macAddress(), |
| 1181 | instPort.ipAddress()); |
| 1182 | |
| 1183 | instPortDetected(event.subject()); |
| 1184 | } |
| 1185 | |
| 1186 | private void processInstancePortRemoval(InstancePortEvent event, |
| 1187 | InstancePort instPort) { |
| 1188 | if (!isRelevantHelper(event)) { |
| 1189 | return; |
| 1190 | } |
| 1191 | |
| 1192 | log.info("RoutingHandler: Instance port vanished MAC:{} IP:{}", |
| 1193 | instPort.macAddress(), |
| 1194 | instPort.ipAddress()); |
| 1195 | |
| 1196 | instPortRemoved(event.subject()); |
| 1197 | } |
| 1198 | |
| 1199 | private void processInstanceMigrationStart(InstancePortEvent event, |
| 1200 | InstancePort instPort) { |
| 1201 | if (!isRelevantHelper(event)) { |
| 1202 | return; |
| 1203 | } |
| 1204 | |
| 1205 | log.info("RoutingHandler: Migration started for MAC:{} IP:{}", |
| 1206 | instPort.macAddress(), |
| 1207 | instPort.ipAddress()); |
| 1208 | |
| 1209 | instPortDetected(instPort); |
| 1210 | } |
| 1211 | |
| 1212 | private void processInstanceMigrationEnd(InstancePortEvent event, |
| 1213 | InstancePort instPort) { |
| 1214 | log.info("RoutingHandler: Migration finished for MAC:{} IP:{}", |
| 1215 | instPort.macAddress(), |
| 1216 | instPort.ipAddress()); |
| 1217 | // TODO: need to reconfigure rules to point to update VM |
| 1218 | } |
| 1219 | |
| 1220 | private void instPortDetected(InstancePort instPort) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1221 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 1222 | |
| 1223 | if (netType == FLAT) { |
| 1224 | return; |
| 1225 | } |
| 1226 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1227 | if (getStatefulSnatFlag()) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1228 | osNodeService.completeNodes(GATEWAY).forEach(gwNode -> |
| 1229 | setGatewayToInstanceDownstreamRule(gwNode, instPort, true)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1230 | } |
| 1231 | } |
| 1232 | |
| 1233 | private void instPortRemoved(InstancePort instPort) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1234 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 1235 | |
| 1236 | if (netType == FLAT) { |
| 1237 | return; |
| 1238 | } |
| 1239 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1240 | if (getStatefulSnatFlag()) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1241 | osNodeService.completeNodes(GATEWAY).forEach(gwNode -> |
| 1242 | setGatewayToInstanceDownstreamRule(gwNode, instPort, false)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1243 | } |
| 1244 | } |
| 1245 | } |
| 1246 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 1247 | private class InternalNetworkEventListener implements OpenstackNetworkListener { |
| 1248 | |
| 1249 | @Override |
| 1250 | public boolean isRelevant(OpenstackNetworkEvent event) { |
| 1251 | Port osPort = event.port(); |
| 1252 | if (osPort == null || osPort.getFixedIps() == null) { |
| 1253 | return false; |
| 1254 | } |
| 1255 | |
| 1256 | return DEVICE_OWNER_ROUTER_GW.equals(osPort.getDeviceOwner()) && |
| 1257 | getStatefulSnatFlag(); |
| 1258 | } |
| 1259 | |
| 1260 | private boolean isRelevantHelper() { |
| 1261 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1262 | } |
| 1263 | |
| 1264 | @Override |
| 1265 | public void event(OpenstackNetworkEvent event) { |
| 1266 | IpAddress ipAddress = externalIp(event.port()); |
| 1267 | switch (event.type()) { |
| 1268 | case OPENSTACK_PORT_CREATED: |
| 1269 | case OPENSTACK_PORT_UPDATED: |
| 1270 | eventExecutor.execute(() -> processPortCreation(ipAddress)); |
| 1271 | break; |
| 1272 | case OPENSTACK_PORT_REMOVED: |
| 1273 | eventExecutor.execute(() -> processPortRemoval(ipAddress)); |
| 1274 | break; |
| 1275 | default: |
| 1276 | // do nothing |
| 1277 | break; |
| 1278 | } |
| 1279 | } |
| 1280 | |
| 1281 | private void processPortCreation(IpAddress ipAddress) { |
| 1282 | if (!isRelevantHelper() || ipAddress == null) { |
| 1283 | return; |
| 1284 | } |
| 1285 | |
| 1286 | setStatefulDownstreamRules(ipAddress, true); |
| 1287 | } |
| 1288 | |
| 1289 | private void processPortRemoval(IpAddress ipAddress) { |
| 1290 | if (!isRelevantHelper() || ipAddress == null) { |
| 1291 | return; |
| 1292 | } |
| 1293 | |
| 1294 | setStatefulDownstreamRules(ipAddress, false); |
| 1295 | } |
| 1296 | |
| 1297 | private IpAddress externalIp(Port port) { |
| 1298 | IP ip = port.getFixedIps().stream().findAny().orElse(null); |
| 1299 | |
| 1300 | if (ip != null && ip.getIpAddress() != null) { |
| 1301 | return IpAddress.valueOf(ip.getIpAddress()); |
| 1302 | } |
| 1303 | |
| 1304 | return null; |
| 1305 | } |
| 1306 | } |
| 1307 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1308 | private class InternalRouterEventListener implements OpenstackRouterListener { |
| 1309 | |
| 1310 | private boolean isRelevantHelper() { |
| 1311 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1312 | } |
| 1313 | |
| 1314 | @Override |
| 1315 | public void event(OpenstackRouterEvent event) { |
| 1316 | switch (event.type()) { |
| 1317 | case OPENSTACK_ROUTER_CREATED: |
| 1318 | eventExecutor.execute(() -> processRouterCreation(event)); |
| 1319 | break; |
| 1320 | case OPENSTACK_ROUTER_UPDATED: |
| 1321 | eventExecutor.execute(() -> processRouterUpdate(event)); |
| 1322 | break; |
| 1323 | case OPENSTACK_ROUTER_INTERFACE_ADDED: |
| 1324 | eventExecutor.execute(() -> processRouterIntfCreation(event)); |
| 1325 | break; |
| 1326 | case OPENSTACK_ROUTER_INTERFACE_REMOVED: |
| 1327 | eventExecutor.execute(() -> processRouterIntfRemoval(event)); |
| 1328 | break; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1329 | default: |
| 1330 | break; |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | private void processRouterCreation(OpenstackRouterEvent event) { |
| 1335 | if (!isRelevantHelper()) { |
| 1336 | return; |
| 1337 | } |
| 1338 | |
| 1339 | log.debug("Router(name:{}, ID:{}) is created", |
| 1340 | event.subject().getName(), |
| 1341 | event.subject().getId()); |
| 1342 | |
| 1343 | routerUpdated(event.subject()); |
| 1344 | } |
| 1345 | |
| 1346 | private void processRouterUpdate(OpenstackRouterEvent event) { |
| 1347 | if (!isRelevantHelper()) { |
| 1348 | return; |
| 1349 | } |
| 1350 | |
| 1351 | log.debug("Router(name:{}, ID:{}) is updated", |
| 1352 | event.subject().getName(), |
| 1353 | event.subject().getId()); |
| 1354 | |
| 1355 | routerUpdated(event.subject()); |
| 1356 | } |
| 1357 | |
| 1358 | private void processRouterIntfCreation(OpenstackRouterEvent event) { |
| 1359 | if (!isRelevantHelper()) { |
| 1360 | return; |
| 1361 | } |
| 1362 | |
| 1363 | log.debug("Router interface {} added to router {}", |
| 1364 | event.routerIface().getPortId(), |
| 1365 | event.routerIface().getId()); |
| 1366 | |
| 1367 | routerIfaceAdded(event.subject(), event.routerIface()); |
| 1368 | } |
| 1369 | |
| 1370 | private void processRouterIntfRemoval(OpenstackRouterEvent event) { |
| 1371 | if (!isRelevantHelper()) { |
| 1372 | return; |
| 1373 | } |
| 1374 | |
| 1375 | log.debug("Router interface {} removed from router {}", |
| 1376 | event.routerIface().getPortId(), |
| 1377 | event.routerIface().getId()); |
| 1378 | |
| 1379 | routerIfaceRemoved(event.subject(), event.routerIface()); |
| 1380 | } |
| 1381 | } |
| 1382 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1383 | private class InternalPacketProcessor implements PacketProcessor { |
| 1384 | |
| 1385 | @Override |
| 1386 | public void process(PacketContext context) { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1387 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1388 | if (context.isHandled()) { |
| 1389 | return; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1390 | } |
| 1391 | |
| 1392 | InboundPacket pkt = context.inPacket(); |
| 1393 | Ethernet eth = pkt.parsed(); |
| 1394 | if (eth == null || eth.getEtherType() == Ethernet.TYPE_ARP) { |
| 1395 | return; |
| 1396 | } |
| 1397 | |
| 1398 | IPv4 iPacket = (IPv4) eth.getPayload(); |
| 1399 | switch (iPacket.getProtocol()) { |
| 1400 | case IPv4.PROTOCOL_ICMP: |
| 1401 | break; |
| 1402 | case IPv4.PROTOCOL_UDP: |
| 1403 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 1404 | if (udpPacket.getDestinationPort() == UDP.DHCP_SERVER_PORT && |
| 1405 | udpPacket.getSourcePort() == UDP.DHCP_CLIENT_PORT) { |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 1406 | break; // don't process DHCP |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1407 | } |
| 1408 | default: |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1409 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1410 | if (!isRelevantHelper(context)) { |
| 1411 | return; |
| 1412 | } |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1413 | processSnatPacket(context, eth); |
| 1414 | }); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1415 | break; |
| 1416 | } |
| 1417 | } |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1418 | |
| 1419 | private boolean isRelevantHelper(PacketContext context) { |
| 1420 | Set<DeviceId> gateways = osNodeService.completeNodes(GATEWAY) |
| 1421 | .stream().map(OpenstackNode::intgBridge) |
| 1422 | .collect(Collectors.toSet()); |
| 1423 | |
| 1424 | return gateways.contains(context.inPacket().receivedFrom().deviceId()); |
| 1425 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1426 | } |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1427 | |
| 1428 | private class InternalNodeEventListener implements OpenstackNodeListener { |
| 1429 | |
| 1430 | private boolean isRelevantHelper() { |
| 1431 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1432 | } |
| 1433 | |
| 1434 | @Override |
| 1435 | public void event(OpenstackNodeEvent event) { |
| 1436 | OpenstackNode osNode = event.subject(); |
| 1437 | switch (event.type()) { |
| 1438 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1439 | eventExecutor.execute(() -> processGatewayCompletion(osNode)); |
| 1440 | eventExecutor.execute(() -> reconfigureRouters(osNode)); |
| 1441 | break; |
| 1442 | case OPENSTACK_NODE_REMOVED: |
| 1443 | eventExecutor.execute(() -> processGatewayRemoval(osNode)); |
Jian Li | 5d795f2 | 2019-04-01 23:07:40 +0900 | [diff] [blame] | 1444 | eventExecutor.execute(() -> reconfigureRouters(osNode)); |
| 1445 | break; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1446 | case OPENSTACK_NODE_INCOMPLETE: |
| 1447 | case OPENSTACK_NODE_UPDATED: |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1448 | eventExecutor.execute(() -> reconfigureRouters(osNode)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1449 | break; |
| 1450 | case OPENSTACK_NODE_CREATED: |
| 1451 | default: |
| 1452 | break; |
| 1453 | } |
| 1454 | } |
| 1455 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1456 | private void processGatewayCompletion(OpenstackNode osNode) { |
| 1457 | if (!isRelevantHelper()) { |
| 1458 | return; |
| 1459 | } |
| 1460 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1461 | if (getStatefulSnatFlag() && osNode.type() == GATEWAY) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1462 | instancePortService.instancePorts().forEach(instPort -> |
| 1463 | setGatewayToInstanceDownstreamRule(osNode, instPort, true)); |
| 1464 | } |
| 1465 | } |
| 1466 | |
| 1467 | private void processGatewayRemoval(OpenstackNode osNode) { |
| 1468 | if (!isRelevantHelper()) { |
| 1469 | return; |
| 1470 | } |
| 1471 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1472 | if (getStatefulSnatFlag() && osNode.type() == GATEWAY) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1473 | instancePortService.instancePorts().forEach(instPort -> |
| 1474 | setGatewayToInstanceDownstreamRule(osNode, instPort, false)); |
| 1475 | } |
| 1476 | } |
| 1477 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1478 | private void reconfigureRouters(OpenstackNode osNode) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1479 | if (!isRelevantHelper()) { |
| 1480 | return; |
| 1481 | } |
| 1482 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1483 | osRouterService.routers().forEach(osRouter -> { |
| 1484 | routerUpdated(osRouter); |
| 1485 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| 1486 | routerIfaceAdded(osRouter, iface); |
| 1487 | }); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 1488 | |
| 1489 | setStatefulDownstreamRules(osRouter, true); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1490 | }); |
Daniel Park | f8f4f20 | 2019-09-15 16:38:06 +0900 | [diff] [blame^] | 1491 | log.debug("Reconfigure routers for {}", osNode.hostname()); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1492 | } |
| 1493 | } |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1494 | |
| 1495 | private class PortRange { |
| 1496 | private int min; |
| 1497 | private int max; |
| 1498 | |
| 1499 | /** |
| 1500 | * A default constructor. |
| 1501 | * |
| 1502 | * @param min min port num |
| 1503 | * @param max max port num |
| 1504 | */ |
| 1505 | public PortRange(int min, int max) { |
| 1506 | this.min = min; |
| 1507 | this.max = max; |
| 1508 | } |
| 1509 | |
| 1510 | /** |
| 1511 | * Obtains min port num. |
| 1512 | * |
| 1513 | * @return min port num |
| 1514 | */ |
| 1515 | int min() { |
| 1516 | return min; |
| 1517 | } |
| 1518 | |
| 1519 | /** |
| 1520 | * Obtains max port num. |
| 1521 | * |
| 1522 | * @return max port num |
| 1523 | */ |
| 1524 | int max() { |
| 1525 | return max; |
| 1526 | } |
| 1527 | |
| 1528 | @Override |
| 1529 | public String toString() { |
| 1530 | return MoreObjects.toStringHelper(this) |
| 1531 | .add("min", min) |
| 1532 | .add("max", max) |
| 1533 | .toString(); |
| 1534 | } |
| 1535 | |
| 1536 | @Override |
| 1537 | public boolean equals(Object o) { |
| 1538 | if (this == o) { |
| 1539 | return true; |
| 1540 | } |
| 1541 | if (o == null || getClass() != o.getClass()) { |
| 1542 | return false; |
| 1543 | } |
| 1544 | PortRange portRange = (PortRange) o; |
| 1545 | return min == portRange.min && |
| 1546 | max == portRange.max; |
| 1547 | } |
| 1548 | |
| 1549 | @Override |
| 1550 | public int hashCode() { |
| 1551 | return Objects.hash(min, max); |
| 1552 | } |
| 1553 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1554 | } |