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 | 5b22f11 | 2020-10-05 22:36:41 +0900 | [diff] [blame^] | 119 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.deriveResourceName; |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 120 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.externalGatewayIpSnatEnabled; |
Jian Li | ebde74d | 2018-11-14 00:18:57 +0900 | [diff] [blame] | 121 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.externalPeerRouterFromSubnet; |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 122 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValueAsBoolean; |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 123 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getRouterFromSubnet; |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 124 | import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.tunnelPortNumByNetType; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 125 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.CT_NAT_SRC_FLAG; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 126 | import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension; |
| 127 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE; |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 128 | import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 129 | import static org.slf4j.LoggerFactory.getLogger; |
| 130 | |
| 131 | /** |
| 132 | * Handle packets needs SNAT. |
| 133 | */ |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 134 | @Component( |
| 135 | immediate = true, |
| 136 | property = { |
| 137 | USE_STATEFUL_SNAT + ":Boolean=" + USE_STATEFUL_SNAT_DEFAULT |
| 138 | } |
| 139 | ) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 140 | public class OpenstackRoutingSnatHandler { |
| 141 | |
| 142 | private final Logger log = getLogger(getClass()); |
| 143 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 144 | private static final String ERR_PACKET_IN = "Failed to handle packet in: "; |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 145 | private static final String ERR_UNSUPPORTED_NET_TYPE = "Unsupported network type"; |
Ray Milkey | 3717e60 | 2018-02-01 13:49:47 -0800 | [diff] [blame] | 146 | private static final long TIME_OUT_SNAT_PORT_MS = 120L * 1000L; |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 147 | private static final int TP_PORT_MINIMUM_NUM = 1025; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 148 | private static final int TP_PORT_MAXIMUM_NUM = 65535; |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 149 | private static final int VM_PREFIX = 32; |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 150 | private static final String DEVICE_OWNER_ROUTER_GW = "network:router_gateway"; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 151 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 152 | private static final String MSG_ENABLED = "Enabled "; |
| 153 | private static final String MSG_DISABLED = "Disabled "; |
| 154 | |
| 155 | /** Use Stateful SNAT for source NATing. */ |
| 156 | private boolean useStatefulSnat = USE_STATEFUL_SNAT_DEFAULT; |
| 157 | |
| 158 | private static final KryoNamespace.Builder NUMBER_SERIALIZER = |
| 159 | KryoNamespace.newBuilder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 160 | .register(KryoNamespaces.API); |
| 161 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 162 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 163 | protected CoreService coreService; |
| 164 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 165 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 166 | protected PacketService packetService; |
| 167 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 168 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 169 | protected StorageService storageService; |
| 170 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 171 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 172 | protected DeviceService deviceService; |
| 173 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 174 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 175 | protected InstancePortService instancePortService; |
| 176 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 177 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 178 | protected ComponentConfigService configService; |
| 179 | |
| 180 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 181 | protected DriverService driverService; |
| 182 | |
| 183 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 184 | protected LeadershipService leadershipService; |
| 185 | |
| 186 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 187 | protected MastershipService mastershipService; |
| 188 | |
| 189 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| 190 | protected ClusterService clusterService; |
| 191 | |
| 192 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 193 | protected OpenstackNodeService osNodeService; |
| 194 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 195 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 196 | protected OpenstackNetworkAdminService osNetworkAdminService; |
| 197 | |
| 198 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 199 | protected OpenstackNetworkService osNetworkService; |
| 200 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 201 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 202 | protected OpenstackRouterService osRouterService; |
| 203 | |
Ray Milkey | d84f89b | 2018-08-17 14:54:17 -0700 | [diff] [blame] | 204 | @Reference(cardinality = ReferenceCardinality.MANDATORY) |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 205 | protected OpenstackFlowRuleService osFlowRuleService; |
| 206 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 207 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 208 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 209 | private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 210 | private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| 211 | private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
| 212 | private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 213 | private final OpenstackNetworkListener osNetworkListener = new InternalNetworkEventListener(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 214 | |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 215 | private ConsistentMap<Integer, Long> allocatedPortNumMap; |
| 216 | private DistributedSet<Integer> unUsedPortNumSet; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 217 | private ApplicationId appId; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 218 | private NodeId localNodeId; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 219 | |
| 220 | @Activate |
| 221 | protected void activate() { |
| 222 | appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 223 | |
| 224 | allocatedPortNumMap = storageService.<Integer, Long>consistentMapBuilder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 225 | .withSerializer(Serializer.using(NUMBER_SERIALIZER.build())) |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 226 | .withName("openstackrouting-allocated-portnummap") |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 227 | .withApplicationId(appId) |
| 228 | .build(); |
| 229 | |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 230 | unUsedPortNumSet = storageService.<Integer>setBuilder() |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 231 | .withName("openstackrouting-unused-portnumset") |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 232 | .withSerializer(Serializer.using(KryoNamespaces.API)) |
| 233 | .build() |
| 234 | .asDistributedSet(); |
| 235 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 236 | localNodeId = clusterService.getLocalNode().id(); |
| 237 | leadershipService.runForLeadership(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 238 | packetService.addProcessor(packetProcessor, PacketProcessor.director(1)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 239 | |
| 240 | configService.registerProperties(getClass()); |
| 241 | instancePortService.addListener(instancePortListener); |
| 242 | osRouterService.addListener(osRouterListener); |
| 243 | osNodeService.addListener(osNodeListener); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 244 | osNetworkAdminService.addListener(osNetworkListener); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 245 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 246 | eventExecutor.execute(this::initializeUnusedPortNumSet); |
| 247 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 248 | log.info("Started"); |
| 249 | } |
| 250 | |
| 251 | @Deactivate |
| 252 | protected void deactivate() { |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 253 | osNetworkAdminService.removeListener(osNetworkListener); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 254 | osRouterService.removeListener(osRouterListener); |
| 255 | osNodeService.removeListener(osNodeListener); |
| 256 | instancePortService.removeListener(instancePortListener); |
| 257 | configService.unregisterProperties(getClass(), false); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 258 | packetService.removeProcessor(packetProcessor); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 259 | leadershipService.withdraw(appId.name()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 260 | eventExecutor.shutdown(); |
| 261 | log.info("Stopped"); |
| 262 | } |
| 263 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 264 | @Modified |
| 265 | protected void modified(ComponentContext context) { |
| 266 | Dictionary<?, ?> properties = context.getProperties(); |
| 267 | Boolean flag; |
| 268 | |
| 269 | flag = Tools.isPropertyEnabled(properties, USE_STATEFUL_SNAT); |
| 270 | if (flag == null) { |
| 271 | log.info("useStatefulSnat is not configured, " + |
| 272 | "using current value of {}", useStatefulSnat); |
| 273 | } else { |
| 274 | useStatefulSnat = flag; |
| 275 | log.info("Configured. useStatefulSnat is {}", |
| 276 | useStatefulSnat ? "enabled" : "disabled"); |
| 277 | } |
| 278 | |
| 279 | resetSnatRules(); |
| 280 | } |
| 281 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 282 | private void processSnatPacket(PacketContext context, Ethernet eth) { |
Jian Li | 2525721 | 2019-03-26 13:31:14 +0900 | [diff] [blame] | 283 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 284 | if (getStatefulSnatFlag()) { |
Jian Li | 2525721 | 2019-03-26 13:31:14 +0900 | [diff] [blame] | 285 | return; |
| 286 | } |
| 287 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 288 | IPv4 iPacket = (IPv4) eth.getPayload(); |
| 289 | InboundPacket packetIn = context.inPacket(); |
| 290 | |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 291 | int patPort = getPortNum(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 292 | |
| 293 | InstancePort srcInstPort = instancePortService.instancePort(eth.getSourceMAC()); |
| 294 | if (srcInstPort == null) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 295 | log.error(ERR_PACKET_IN + "source host(MAC:{}) does not exist", |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 296 | eth.getSourceMAC()); |
| 297 | return; |
| 298 | } |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 299 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 300 | IpAddress srcIp = IpAddress.valueOf(iPacket.getSourceAddress()); |
| 301 | Subnet srcSubnet = getSourceSubnet(srcInstPort, srcIp); |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 302 | |
| 303 | Router osRouter = getRouterFromSubnet(srcSubnet, osRouterService); |
| 304 | |
| 305 | if (osRouter == null || osRouter.getExternalGatewayInfo() == null) { |
| 306 | // this router does not have external connectivity |
| 307 | log.warn("No router is associated with the given subnet {}", srcSubnet); |
| 308 | return; |
| 309 | } |
| 310 | |
Jian Li | ebde74d | 2018-11-14 00:18:57 +0900 | [diff] [blame] | 311 | IpAddress externalGatewayIp = |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 312 | externalGatewayIpSnatEnabled(osRouter, osNetworkAdminService); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 313 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 314 | if (externalGatewayIp == null) { |
| 315 | return; |
| 316 | } |
| 317 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 318 | ExternalPeerRouter externalPeerRouter = externalPeerRouterFromSubnet( |
| 319 | srcSubnet, osRouterService, osNetworkService); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 320 | if (externalPeerRouter == null) { |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 321 | return; |
| 322 | } |
| 323 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 324 | populateSnatFlowRules(context.inPacket(), |
| 325 | srcInstPort, |
| 326 | TpPort.tpPort(patPort), |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 327 | externalGatewayIp, externalPeerRouter); |
| 328 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 329 | |
Ray Milkey | f0c4761 | 2017-09-28 11:29:38 -0700 | [diff] [blame] | 330 | packetOut(eth.duplicate(), |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 331 | packetIn.receivedFrom().deviceId(), |
| 332 | patPort, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 333 | externalGatewayIp, externalPeerRouter); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | private Subnet getSourceSubnet(InstancePort instance, IpAddress srcIp) { |
| 337 | Port osPort = osNetworkService.port(instance.portId()); |
| 338 | IP fixedIp = osPort.getFixedIps().stream() |
| 339 | .filter(ip -> IpAddress.valueOf(ip.getIpAddress()).equals(srcIp)) |
| 340 | .findAny().orElse(null); |
| 341 | if (fixedIp == null) { |
| 342 | return null; |
| 343 | } |
| 344 | return osNetworkService.subnet(fixedIp.getSubnetId()); |
| 345 | } |
| 346 | |
Jian Li | 5ecfd1a | 2018-12-10 11:41:03 +0900 | [diff] [blame] | 347 | private void populateSnatFlowRules(InboundPacket packetIn, |
| 348 | InstancePort srcInstPort, |
| 349 | TpPort patPort, IpAddress externalIp, |
| 350 | ExternalPeerRouter externalPeerRouter) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 351 | Network osNet = osNetworkService.network(srcInstPort.networkId()); |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 352 | Type netType = osNetworkService.networkType(srcInstPort.networkId()); |
| 353 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 354 | if (osNet == null) { |
Jian Li | 71670d1 | 2018-03-02 21:31:07 +0900 | [diff] [blame] | 355 | final String error = String.format("%s network %s not found", |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 356 | ERR_PACKET_IN, srcInstPort.networkId()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 357 | throw new IllegalStateException(error); |
| 358 | } |
| 359 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 360 | setStatelessSnatDownstreamRules(srcInstPort, |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 361 | osNet.getProviderSegID(), |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 362 | netType, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 363 | externalIp, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 364 | externalPeerRouter, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 365 | patPort, |
| 366 | packetIn); |
| 367 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 368 | setStatelessSnatUpstreamRules(osNet.getProviderSegID(), |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 369 | netType, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 370 | externalIp, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 371 | externalPeerRouter, |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 372 | patPort, |
| 373 | packetIn); |
| 374 | } |
| 375 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 376 | private void setStatelessSnatDownstreamRules(InstancePort srcInstPort, |
| 377 | String segmentId, |
| 378 | Type networkType, |
| 379 | IpAddress externalIp, |
| 380 | ExternalPeerRouter externalPeerRouter, |
| 381 | TpPort patPort, |
| 382 | InboundPacket packetIn) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 383 | IPv4 iPacket = (IPv4) packetIn.parsed().getPayload(); |
| 384 | IpAddress internalIp = IpAddress.valueOf(iPacket.getSourceAddress()); |
| 385 | |
| 386 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 387 | .matchEthType(Ethernet.TYPE_IPV4) |
| 388 | .matchIPProtocol(iPacket.getProtocol()) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 389 | .matchIPDst(IpPrefix.valueOf(externalIp.getIp4Address(), VM_PREFIX)) |
| 390 | .matchIPSrc(IpPrefix.valueOf(iPacket.getDestinationAddress(), VM_PREFIX)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 391 | |
| 392 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 393 | .setEthDst(packetIn.parsed().getSourceMAC()) |
| 394 | .setIpDst(internalIp); |
| 395 | |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 396 | if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| 397 | sBuilder.matchVlanId(externalPeerRouter.vlanId()); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 398 | tBuilder.popVlan(); |
| 399 | } |
| 400 | |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 401 | switch (networkType) { |
| 402 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 403 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 404 | case GENEVE: |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 405 | tBuilder.setTunnelId(Long.parseLong(segmentId)); |
| 406 | break; |
| 407 | case VLAN: |
| 408 | tBuilder.pushVlan() |
Daniel Park | c64b4c6 | 2018-05-09 18:13:39 +0900 | [diff] [blame] | 409 | .setVlanId(VlanId.vlanId(segmentId)); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 410 | break; |
| 411 | default: |
Jian Li | 71670d1 | 2018-03-02 21:31:07 +0900 | [diff] [blame] | 412 | final String error = String.format("%s %s", |
| 413 | ERR_UNSUPPORTED_NET_TYPE, networkType.toString()); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 414 | throw new IllegalStateException(error); |
| 415 | } |
| 416 | |
| 417 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 418 | switch (iPacket.getProtocol()) { |
| 419 | case IPv4.PROTOCOL_TCP: |
| 420 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 421 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getDestinationPort())) |
| 422 | .matchTcpDst(patPort); |
| 423 | tBuilder.setTcpDst(TpPort.tpPort(tcpPacket.getSourcePort())); |
| 424 | break; |
| 425 | case IPv4.PROTOCOL_UDP: |
| 426 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 427 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getDestinationPort())) |
| 428 | .matchUdpDst(patPort); |
| 429 | tBuilder.setUdpDst(TpPort.tpPort(udpPacket.getSourcePort())); |
| 430 | break; |
| 431 | default: |
| 432 | break; |
| 433 | } |
| 434 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 435 | OpenstackNode srcNode = osNodeService.node(srcInstPort.deviceId()); |
| 436 | osNodeService.completeNodes(GATEWAY).forEach(gNode -> { |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 437 | TrafficTreatment treatment = |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 438 | getDownstreamTreatment(networkType, tBuilder, gNode, srcNode); |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 439 | osFlowRuleService.setRule( |
| 440 | appId, |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 441 | gNode.intgBridge(), |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 442 | sBuilder.build(), |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 443 | treatment, |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 444 | PRIORITY_SNAT_RULE, |
| 445 | GW_COMMON_TABLE, |
| 446 | true); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 447 | }); |
| 448 | } |
| 449 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 450 | private TrafficTreatment getDownstreamTreatment(Type networkType, |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 451 | TrafficTreatment.Builder tBuilder, |
| 452 | OpenstackNode gNode, |
| 453 | OpenstackNode srcNode) { |
| 454 | TrafficTreatment.Builder tmpBuilder = |
| 455 | DefaultTrafficTreatment.builder(tBuilder.build()); |
| 456 | switch (networkType) { |
| 457 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 458 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 459 | case GENEVE: |
SONA Project | 6bc5c4a | 2018-12-14 23:49:52 +0900 | [diff] [blame] | 460 | PortNumber portNum = tunnelPortNumByNetType(networkType, gNode); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 461 | tmpBuilder.extension(RulePopulatorUtil.buildExtension( |
| 462 | deviceService, |
| 463 | gNode.intgBridge(), |
| 464 | srcNode.dataIp().getIp4Address()), gNode.intgBridge()) |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 465 | .setOutput(portNum); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 466 | break; |
| 467 | case VLAN: |
| 468 | tmpBuilder.setOutput(gNode.vlanPortNum()); |
| 469 | break; |
| 470 | default: |
| 471 | final String error = String.format("%s %s", |
| 472 | ERR_UNSUPPORTED_NET_TYPE, networkType.toString()); |
| 473 | throw new IllegalStateException(error); |
| 474 | } |
| 475 | |
| 476 | return tmpBuilder.build(); |
| 477 | } |
| 478 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 479 | private void setStatelessSnatUpstreamRules(String segmentId, |
| 480 | Type networkType, |
| 481 | IpAddress externalIp, |
| 482 | ExternalPeerRouter externalPeerRouter, |
| 483 | TpPort patPort, |
| 484 | InboundPacket packetIn) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 485 | IPv4 iPacket = (IPv4) packetIn.parsed().getPayload(); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 486 | |
| 487 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 488 | .matchEthType(Ethernet.TYPE_IPV4) |
| 489 | .matchIPProtocol(iPacket.getProtocol()) |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 490 | .matchIPSrc(IpPrefix.valueOf(iPacket.getSourceAddress(), VM_PREFIX)) |
| 491 | .matchIPDst(IpPrefix.valueOf(iPacket.getDestinationAddress(), VM_PREFIX)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 492 | |
| 493 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 494 | |
| 495 | switch (networkType) { |
| 496 | case VXLAN: |
Jian Li | 2d68c19 | 2018-12-13 15:52:59 +0900 | [diff] [blame] | 497 | case GRE: |
Jian Li | 621f73c | 2018-12-15 01:49:22 +0900 | [diff] [blame] | 498 | case GENEVE: |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 499 | sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| 500 | break; |
| 501 | case VLAN: |
| 502 | sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| 503 | tBuilder.popVlan(); |
| 504 | break; |
| 505 | default: |
Jian Li | 71670d1 | 2018-03-02 21:31:07 +0900 | [diff] [blame] | 506 | final String error = String.format("%s %s", |
| 507 | ERR_UNSUPPORTED_NET_TYPE, networkType.toString()); |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 508 | throw new IllegalStateException(error); |
| 509 | } |
| 510 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 511 | switch (iPacket.getProtocol()) { |
| 512 | case IPv4.PROTOCOL_TCP: |
| 513 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 514 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getSourcePort())) |
| 515 | .matchTcpDst(TpPort.tpPort(tcpPacket.getDestinationPort())); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 516 | tBuilder.setTcpSrc(patPort).setEthDst(externalPeerRouter.macAddress()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 517 | break; |
| 518 | case IPv4.PROTOCOL_UDP: |
| 519 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 520 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getSourcePort())) |
| 521 | .matchUdpDst(TpPort.tpPort(udpPacket.getDestinationPort())); |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 522 | tBuilder.setUdpSrc(patPort).setEthDst(externalPeerRouter.macAddress()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 523 | break; |
| 524 | default: |
| 525 | log.debug("Unsupported IPv4 protocol {}"); |
| 526 | break; |
| 527 | } |
| 528 | |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 529 | if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| 530 | tBuilder.pushVlan().setVlanId(externalPeerRouter.vlanId()); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 531 | } |
| 532 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 533 | tBuilder.setIpSrc(externalIp); |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 534 | osNodeService.completeNodes(GATEWAY).forEach(gNode -> { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 535 | TrafficTreatment.Builder tmpBuilder = |
| 536 | DefaultTrafficTreatment.builder(tBuilder.build()); |
daniel park | b581710 | 2018-02-15 00:18:51 +0900 | [diff] [blame] | 537 | tmpBuilder.setOutput(gNode.uplinkPortNum()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 538 | |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 539 | osFlowRuleService.setRule( |
| 540 | appId, |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 541 | gNode.intgBridge(), |
sangho | dc37537 | 2017-06-08 10:41:30 +0900 | [diff] [blame] | 542 | sBuilder.build(), |
| 543 | tmpBuilder.build(), |
| 544 | PRIORITY_SNAT_RULE, |
| 545 | GW_COMMON_TABLE, |
| 546 | true); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 547 | }); |
| 548 | } |
| 549 | |
| 550 | private void packetOut(Ethernet ethPacketIn, DeviceId srcDevice, int patPort, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 551 | IpAddress externalIp, ExternalPeerRouter externalPeerRouter) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 552 | IPv4 iPacket = (IPv4) ethPacketIn.getPayload(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 553 | switch (iPacket.getProtocol()) { |
| 554 | case IPv4.PROTOCOL_TCP: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 555 | iPacket.setPayload(buildPacketOutTcp(iPacket, patPort)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 556 | break; |
| 557 | case IPv4.PROTOCOL_UDP: |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 558 | iPacket.setPayload(buildPacketOutUdp(iPacket, patPort)); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 559 | break; |
| 560 | default: |
| 561 | log.trace("Temporally, this method can process UDP and TCP protocol."); |
| 562 | return; |
| 563 | } |
| 564 | |
| 565 | iPacket.setSourceAddress(externalIp.toString()); |
| 566 | iPacket.resetChecksum(); |
| 567 | iPacket.setParent(ethPacketIn); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 568 | ethPacketIn.setSourceMACAddress(DEFAULT_GATEWAY_MAC); |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 569 | ethPacketIn.setDestinationMACAddress(externalPeerRouter.macAddress()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 570 | ethPacketIn.setPayload(iPacket); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 571 | |
Jian Li | 5e2ad4a | 2018-07-16 13:40:53 +0900 | [diff] [blame] | 572 | if (!externalPeerRouter.vlanId().equals(VlanId.NONE)) { |
| 573 | ethPacketIn.setVlanID(externalPeerRouter.vlanId().toShort()); |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 574 | } |
| 575 | |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 576 | ethPacketIn.resetChecksum(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 577 | |
Hyunsun Moon | 0d45736 | 2017-06-27 17:19:41 +0900 | [diff] [blame] | 578 | OpenstackNode srcNode = osNodeService.node(srcDevice); |
| 579 | if (srcNode == null) { |
| 580 | final String error = String.format("Cannot find openstack node for %s", |
| 581 | srcDevice); |
| 582 | throw new IllegalStateException(error); |
| 583 | } |
daniel park | ee8700b | 2017-05-11 15:50:03 +0900 | [diff] [blame] | 584 | |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 585 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 586 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 587 | packetService.emit(new DefaultOutboundPacket( |
| 588 | srcDevice, |
daniel park | 576969a | 2018-03-09 07:07:41 +0900 | [diff] [blame] | 589 | tBuilder.setOutput(srcNode.uplinkPortNum()).build(), |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 590 | ByteBuffer.wrap(ethPacketIn.serialize()))); |
| 591 | } |
| 592 | |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 593 | private TCP buildPacketOutTcp(IPv4 iPacket, int patPort) { |
| 594 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 595 | tcpPacket.setSourcePort(patPort); |
| 596 | tcpPacket.resetChecksum(); |
| 597 | tcpPacket.setParent(iPacket); |
| 598 | |
| 599 | return tcpPacket; |
| 600 | } |
| 601 | |
| 602 | private UDP buildPacketOutUdp(IPv4 iPacket, int patPort) { |
| 603 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 604 | udpPacket.setSourcePort(patPort); |
| 605 | udpPacket.resetChecksum(); |
| 606 | udpPacket.setParent(iPacket); |
| 607 | |
| 608 | return udpPacket; |
| 609 | } |
| 610 | |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 611 | private int getPortNum() { |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 612 | if (unUsedPortNumSet.isEmpty()) { |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 613 | clearPortNumMap(); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 614 | } |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 615 | int portNum = findUnusedPortNum(); |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 616 | if (portNum != 0) { |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 617 | unUsedPortNumSet.remove(portNum); |
| 618 | allocatedPortNumMap.put(portNum, System.currentTimeMillis()); |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 619 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 620 | return portNum; |
| 621 | } |
| 622 | |
| 623 | private int findUnusedPortNum() { |
Hyunsun Moon | 0e058f2 | 2017-04-19 17:00:52 +0900 | [diff] [blame] | 624 | return unUsedPortNumSet.stream().findAny().orElse(0); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 625 | } |
| 626 | |
| 627 | private void clearPortNumMap() { |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 628 | allocatedPortNumMap.entrySet().forEach(e -> { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 629 | if (System.currentTimeMillis() - |
| 630 | e.getValue().value() > TIME_OUT_SNAT_PORT_MS) { |
daniel park | 0bc7fdb | 2017-03-13 14:20:08 +0900 | [diff] [blame] | 631 | allocatedPortNumMap.remove(e.getKey()); |
| 632 | unUsedPortNumSet.add(e.getKey()); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 633 | } |
| 634 | }); |
| 635 | } |
| 636 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 637 | private void initializeUnusedPortNumSet() { |
| 638 | for (int i = TP_PORT_MINIMUM_NUM; i < TP_PORT_MAXIMUM_NUM; i++) { |
| 639 | if (!allocatedPortNumMap.containsKey(i)) { |
| 640 | unUsedPortNumSet.add(i); |
| 641 | } |
| 642 | } |
| 643 | |
| 644 | clearPortNumMap(); |
| 645 | } |
| 646 | |
| 647 | private void resetSnatRules() { |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 648 | if (getStatefulSnatFlag()) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 649 | osRouterService.routerInterfaces().forEach( |
| 650 | routerIface -> { |
| 651 | setReactiveSnatRules(routerIface, false); |
| 652 | setStatefulSnatRules(routerIface, true); |
| 653 | } |
| 654 | ); |
| 655 | } else { |
| 656 | osRouterService.routerInterfaces().forEach( |
| 657 | routerIface -> { |
| 658 | setStatefulSnatRules(routerIface, false); |
| 659 | setReactiveSnatRules(routerIface, true); |
| 660 | } |
| 661 | ); |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | private void setRulesToGateway(OpenstackNode osNode, |
| 666 | String segmentId, |
| 667 | IpPrefix srcSubnet, |
| 668 | Type networkType, |
| 669 | boolean install) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 670 | OpenstackNode sourceNatGateway = osNodeService.completeNodes(GATEWAY) |
| 671 | .stream().findFirst().orElse(null); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 672 | |
| 673 | if (sourceNatGateway == null) { |
| 674 | return; |
| 675 | } |
| 676 | |
| 677 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 678 | .matchEthType(Ethernet.TYPE_IPV4) |
| 679 | .matchIPSrc(srcSubnet.getIp4Prefix()) |
| 680 | .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| 681 | |
| 682 | switch (networkType) { |
| 683 | case VXLAN: |
| 684 | case GRE: |
| 685 | case GENEVE: |
| 686 | sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| 687 | break; |
| 688 | case VLAN: |
| 689 | sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| 690 | break; |
| 691 | default: |
| 692 | final String error = String.format("%s %s", |
| 693 | ERR_UNSUPPORTED_NET_TYPE, |
| 694 | networkType.toString()); |
| 695 | throw new IllegalStateException(error); |
| 696 | } |
| 697 | |
| 698 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 699 | |
| 700 | switch (networkType) { |
| 701 | case VXLAN: |
| 702 | case GRE: |
| 703 | case GENEVE: |
| 704 | PortNumber portNum = tunnelPortNumByNetType(networkType, osNode); |
| 705 | tBuilder.extension(buildExtension( |
| 706 | deviceService, |
| 707 | osNode.intgBridge(), |
| 708 | sourceNatGateway.dataIp().getIp4Address()), |
| 709 | osNode.intgBridge()) |
| 710 | .setOutput(portNum); |
| 711 | break; |
| 712 | |
| 713 | case VLAN: |
| 714 | tBuilder.setOutput(osNode.vlanPortNum()); |
| 715 | break; |
| 716 | |
| 717 | default: |
| 718 | break; |
| 719 | } |
| 720 | |
| 721 | osFlowRuleService.setRule( |
| 722 | appId, |
| 723 | osNode.intgBridge(), |
| 724 | sBuilder.build(), |
| 725 | tBuilder.build(), |
| 726 | PRIORITY_EXTERNAL_ROUTING_RULE, |
| 727 | ROUTING_TABLE, |
| 728 | install); |
| 729 | } |
| 730 | |
| 731 | |
| 732 | private void routerUpdated(Router osRouter) { |
| 733 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 734 | |
| 735 | ExternalPeerRouter externalPeerRouter = |
| 736 | osNetworkAdminService.externalPeerRouter(exGateway); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 737 | VlanId vlanId = externalPeerRouter == null ? |
| 738 | VlanId.NONE : externalPeerRouter.vlanId(); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 739 | |
| 740 | if (exGateway == null) { |
| 741 | deleteUnassociatedExternalPeerRouter(); |
| 742 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> |
| 743 | setSourceNat(iface, false)); |
| 744 | } else { |
| 745 | osNetworkAdminService.deriveExternalPeerRouterMac(exGateway, osRouter, vlanId); |
| 746 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> |
| 747 | setSourceNat(iface, exGateway.isEnableSnat())); |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | private void deleteUnassociatedExternalPeerRouter() { |
| 752 | log.trace("Deleting unassociated external peer router"); |
| 753 | |
| 754 | try { |
| 755 | Set<String> routerIps = Sets.newConcurrentHashSet(); |
| 756 | |
| 757 | osRouterService.routers().stream() |
| 758 | .filter(router -> getGatewayIpAddress(router) != null) |
| 759 | .map(router -> getGatewayIpAddress(router).toString()) |
| 760 | .forEach(routerIps::add); |
| 761 | |
| 762 | osNetworkAdminService.externalPeerRouters().stream() |
| 763 | .filter(externalPeerRouter -> |
| 764 | !routerIps.contains(externalPeerRouter.ipAddress().toString())) |
| 765 | .forEach(externalPeerRouter -> { |
| 766 | osNetworkAdminService |
| 767 | .deleteExternalPeerRouter( |
| 768 | externalPeerRouter.ipAddress().toString()); |
| 769 | log.trace("Deleted unassociated external peer router {}", |
| 770 | externalPeerRouter.ipAddress().toString()); |
| 771 | }); |
| 772 | } catch (Exception e) { |
| 773 | log.error("Exception occurred because of {}", e.toString()); |
| 774 | } |
| 775 | } |
| 776 | |
| 777 | private void routerIfaceAdded(Router osRouter, RouterInterface osRouterIface) { |
| 778 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 779 | if (exGateway != null && exGateway.isEnableSnat()) { |
| 780 | setSourceNat(osRouterIface, true); |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | private void routerIfaceRemoved(Router osRouter, RouterInterface osRouterIface) { |
| 785 | ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| 786 | if (exGateway != null && exGateway.isEnableSnat()) { |
| 787 | setSourceNat(osRouterIface, false); |
| 788 | } |
| 789 | } |
| 790 | |
| 791 | private void setSourceNat(RouterInterface routerIface, boolean install) { |
| 792 | Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId()); |
| 793 | Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId()); |
| 794 | Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId()); |
| 795 | |
| 796 | osNodeService.completeNodes(COMPUTE).forEach(cNode -> { |
| 797 | setRulesToGateway(cNode, osNet.getProviderSegID(), |
| 798 | IpPrefix.valueOf(osSubnet.getCidr()), netType, install); |
| 799 | }); |
| 800 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 801 | if (getStatefulSnatFlag()) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 802 | setStatefulSnatRules(routerIface, install); |
| 803 | } else { |
| 804 | setReactiveSnatRules(routerIface, install); |
| 805 | } |
| 806 | |
| 807 | final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| 808 | log.info(updateStr + "external access for subnet({})", osSubnet.getCidr()); |
| 809 | } |
| 810 | |
| 811 | private void setStatefulSnatRules(RouterInterface routerIface, boolean install) { |
| 812 | Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId()); |
| 813 | Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId()); |
| 814 | Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId()); |
| 815 | |
| 816 | if (netType == FLAT) { |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 817 | log.warn("FLAT typed network does not need SNAT rules"); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 818 | return; |
| 819 | } |
| 820 | |
| 821 | Optional<Router> osRouter = osRouterService.routers().stream() |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 822 | .filter(router -> routerIface.getId().equals(router.getId())) |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 823 | .findAny(); |
| 824 | |
| 825 | if (!osRouter.isPresent()) { |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 826 | log.warn("Cannot find a router attached with the given router interface {} ", routerIface); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 827 | return; |
| 828 | } |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 829 | |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 830 | IpAddress natAddress = externalGatewayIpSnatEnabled(osRouter.get(), osNetworkAdminService); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 831 | if (natAddress == null) { |
Jian Li | d529d42 | 2020-07-14 00:05:24 +0900 | [diff] [blame] | 832 | log.debug("NAT address is not found"); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 833 | return; |
| 834 | } |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 835 | |
| 836 | IpAddress extRouterAddress = getGatewayIpAddress(osRouter.get()); |
| 837 | if (extRouterAddress == null) { |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 838 | log.warn("External router address is not found"); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 839 | return; |
| 840 | } |
| 841 | |
| 842 | ExternalPeerRouter externalPeerRouter = |
| 843 | osNetworkService.externalPeerRouter(extRouterAddress); |
| 844 | if (externalPeerRouter == null) { |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 845 | log.warn("External peer router not found"); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 846 | return; |
| 847 | } |
| 848 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 849 | Map<OpenstackNode, PortRange> gwPortRangeMap = getAssignedPortsForGateway( |
Jian Li | 2525721 | 2019-03-26 13:31:14 +0900 | [diff] [blame] | 850 | ImmutableList.copyOf(osNodeService.nodes(GATEWAY))); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 851 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 852 | osNodeService.completeNodes(GATEWAY).forEach(gwNode -> { |
| 853 | if (install) { |
| 854 | PortRange gwPortRange = gwPortRangeMap.get(gwNode); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 855 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 856 | Map<String, PortRange> netPortRangeMap = |
| 857 | getAssignedPortsForNet(getNetIdByRouterId(routerIface.getId()), |
| 858 | gwPortRange.min(), gwPortRange.max()); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 859 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 860 | PortRange netPortRange = netPortRangeMap.get(osNet.getId()); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 861 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 862 | setStatefulSnatUpstreamRule(gwNode, natAddress, |
| 863 | Long.parseLong(osNet.getProviderSegID()), |
| 864 | externalPeerRouter, netPortRange.min(), |
| 865 | netPortRange.max(), install); |
| 866 | } else { |
| 867 | setStatefulSnatUpstreamRule(gwNode, natAddress, |
| 868 | Long.parseLong(osNet.getProviderSegID()), |
| 869 | externalPeerRouter, 0, 0, install); |
| 870 | } |
| 871 | }); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 872 | } |
| 873 | |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 874 | private void setStatefulDownstreamRules(Router osRouter, boolean install) { |
| 875 | |
Jian Li | 820ec7b | 2019-04-03 22:01:33 +0900 | [diff] [blame] | 876 | if (!getStatefulSnatFlag()) { |
| 877 | return; |
| 878 | } |
| 879 | |
Jian Li | fa62b37 | 2020-02-24 16:42:24 +0900 | [diff] [blame] | 880 | IpAddress natAddress = externalGatewayIpSnatEnabled(osRouter, osNetworkAdminService); |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 881 | if (natAddress == null) { |
| 882 | return; |
| 883 | } |
| 884 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 885 | setStatefulDownstreamRules(natAddress, install); |
| 886 | } |
| 887 | |
| 888 | private void setStatefulDownstreamRules(IpAddress natAddress, boolean install) { |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 889 | osNodeService.completeNodes(GATEWAY) |
| 890 | .forEach(gwNode -> { |
| 891 | setStatefulSnatDownstreamRule(gwNode.intgBridge(), |
| 892 | IpPrefix.valueOf(natAddress, VM_PREFIX), install); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 893 | }); |
Jian Li | 4f3f75a | 2019-04-03 12:41:30 +0900 | [diff] [blame] | 894 | } |
| 895 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 896 | private List<String> getNetIdByRouterId(String routerId) { |
| 897 | return osRouterService.routerInterfaces(routerId) |
| 898 | .stream() |
| 899 | .filter(ri -> osRouterService.router(ri.getId()) |
| 900 | .getExternalGatewayInfo().isEnableSnat()) |
| 901 | .map(RouterInterface::getSubnetId) |
| 902 | .map(si -> osNetworkAdminService.subnet(si)) |
| 903 | .map(Subnet::getNetworkId) |
| 904 | .collect(Collectors.toList()); |
| 905 | } |
| 906 | |
| 907 | private Map<OpenstackNode, PortRange> |
| 908 | getAssignedPortsForGateway(List<OpenstackNode> gateways) { |
| 909 | |
| 910 | Map<OpenstackNode, PortRange> gwPortRangeMap = Maps.newConcurrentMap(); |
| 911 | |
| 912 | int portRangeNumPerGwNode = |
| 913 | (TP_PORT_MAXIMUM_NUM - TP_PORT_MINIMUM_NUM + 1) / gateways.size(); |
| 914 | |
| 915 | for (int i = 0; i < gateways.size(); i++) { |
| 916 | int gwPortRangeMin = TP_PORT_MINIMUM_NUM + i * portRangeNumPerGwNode; |
| 917 | int gwPortRangeMax = TP_PORT_MINIMUM_NUM + (i + 1) * portRangeNumPerGwNode - 1; |
| 918 | |
| 919 | gwPortRangeMap.put(gateways.get(i), |
| 920 | new PortRange(gwPortRangeMin, gwPortRangeMax)); |
| 921 | } |
| 922 | |
| 923 | return gwPortRangeMap; |
| 924 | } |
| 925 | |
| 926 | private Map<String, PortRange> getAssignedPortsForNet(List<String> netIds, |
| 927 | int min, int max) { |
| 928 | |
| 929 | Map<String, PortRange> netPortRangeMap = Maps.newConcurrentMap(); |
| 930 | |
| 931 | int portRangeNumPerNet = (max - min + 1) / netIds.size(); |
| 932 | |
| 933 | for (int i = 0; i < netIds.size(); i++) { |
| 934 | int netPortRangeMin = min + i * portRangeNumPerNet; |
| 935 | int netPortRangeMax = min + (i + 1) * portRangeNumPerNet - 1; |
| 936 | |
| 937 | netPortRangeMap.put(netIds.get(i), |
| 938 | new PortRange(netPortRangeMin, netPortRangeMax)); |
| 939 | } |
| 940 | |
| 941 | return netPortRangeMap; |
| 942 | } |
| 943 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 944 | private IpAddress getGatewayIpAddress(Router osRouter) { |
| 945 | |
| 946 | if (osRouter.getExternalGatewayInfo() == null) { |
| 947 | return null; |
| 948 | } |
| 949 | String extNetId = osNetworkAdminService.network( |
| 950 | osRouter.getExternalGatewayInfo().getNetworkId()).getId(); |
| 951 | Optional<Subnet> extSubnet = osNetworkAdminService.subnets().stream() |
| 952 | .filter(subnet -> subnet.getNetworkId().equals(extNetId)) |
| 953 | .findAny(); |
| 954 | |
| 955 | if (!extSubnet.isPresent()) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 956 | log.error("Cannot find external subnet for the router"); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 957 | return null; |
| 958 | } |
| 959 | |
| 960 | return IpAddress.valueOf(extSubnet.get().getGateway()); |
| 961 | } |
| 962 | |
| 963 | private void setReactiveSnatRules(RouterInterface routerIface, boolean install) { |
| 964 | Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId()); |
| 965 | Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId()); |
| 966 | Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId()); |
| 967 | |
| 968 | osNodeService.completeNodes(GATEWAY) |
| 969 | .forEach(gwNode -> setRulesToController( |
| 970 | gwNode.intgBridge(), |
| 971 | osNet.getProviderSegID(), |
| 972 | IpPrefix.valueOf(osSubnet.getCidr()), |
| 973 | netType, |
| 974 | install)); |
| 975 | } |
| 976 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 977 | private void setGatewayToInstanceDownstreamRule(OpenstackNode gwNode, |
| 978 | InstancePort instPort, |
| 979 | boolean install) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 980 | |
| 981 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 982 | .matchEthType(Ethernet.TYPE_IPV4) |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 983 | .matchIPDst(IpPrefix.valueOf(instPort.ipAddress(), VM_PREFIX)) |
| 984 | .build(); |
| 985 | |
| 986 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| 987 | .setEthDst(instPort.macAddress()); |
| 988 | |
| 989 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 990 | String segId = osNetworkAdminService.segmentId(instPort.networkId()); |
| 991 | |
| 992 | switch (netType) { |
| 993 | case VXLAN: |
| 994 | case GRE: |
| 995 | case GENEVE: |
| 996 | tBuilder.setTunnelId(Long.valueOf(segId)); |
| 997 | break; |
| 998 | case VLAN: |
| 999 | default: |
| 1000 | final String error = String.format("%s %s", |
| 1001 | ERR_UNSUPPORTED_NET_TYPE, netType.name()); |
| 1002 | throw new IllegalStateException(error); |
| 1003 | } |
| 1004 | |
| 1005 | OpenstackNode srcNode = osNodeService.node(instPort.deviceId()); |
| 1006 | TrafficTreatment treatment = |
| 1007 | getDownstreamTreatment(netType, tBuilder, gwNode, srcNode); |
| 1008 | |
| 1009 | osFlowRuleService.setRule( |
| 1010 | appId, |
| 1011 | gwNode.intgBridge(), |
| 1012 | selector, |
| 1013 | treatment, |
| 1014 | PRIORITY_STATEFUL_SNAT_RULE, |
| 1015 | GW_COMMON_TABLE, |
| 1016 | install); |
| 1017 | } |
| 1018 | |
| 1019 | private void setStatefulSnatDownstreamRule(DeviceId deviceId, |
| 1020 | IpPrefix gatewayIp, |
| 1021 | boolean install) { |
| 1022 | |
Jian Li | fdb8d87 | 2019-04-08 10:38:58 +0900 | [diff] [blame] | 1023 | Set<TrafficSelector> selectors = Sets.newConcurrentHashSet(); |
| 1024 | |
| 1025 | ImmutableSet<Byte> ipv4Proto = ImmutableSet.of(IPv4.PROTOCOL_TCP, IPv4.PROTOCOL_UDP); |
| 1026 | |
| 1027 | ipv4Proto.forEach(proto -> { |
| 1028 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 1029 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 1030 | .matchIPDst(gatewayIp) |
| 1031 | .matchIPProtocol(proto); |
| 1032 | selectors.add(sBuilder.build()); |
| 1033 | }); |
| 1034 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1035 | |
| 1036 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 1037 | .niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| 1038 | .commit(false) |
| 1039 | .natAction(true) |
| 1040 | .table((short) 0) |
| 1041 | .build(); |
| 1042 | |
| 1043 | TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1044 | .extension(natTreatment, deviceId) |
| 1045 | .build(); |
| 1046 | |
Jian Li | fdb8d87 | 2019-04-08 10:38:58 +0900 | [diff] [blame] | 1047 | selectors.forEach(s -> { |
| 1048 | osFlowRuleService.setRule( |
| 1049 | appId, |
| 1050 | deviceId, |
| 1051 | s, |
| 1052 | treatment, |
| 1053 | PRIORITY_STATEFUL_SNAT_RULE, |
| 1054 | GW_COMMON_TABLE, |
| 1055 | install); |
| 1056 | }); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1057 | } |
| 1058 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1059 | private void setStatefulSnatUpstreamRule(OpenstackNode gwNode, |
| 1060 | IpAddress gatewayIp, |
| 1061 | long vni, |
| 1062 | ExternalPeerRouter extPeerRouter, |
| 1063 | int minPortNum, |
| 1064 | int maxPortNum, |
| 1065 | boolean install) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1066 | |
| 1067 | TrafficSelector selector = DefaultTrafficSelector.builder() |
| 1068 | .matchEthType(Ethernet.TYPE_IPV4) |
| 1069 | .matchEthDst(DEFAULT_GATEWAY_MAC) |
| 1070 | .matchTunnelId(vni) |
| 1071 | .build(); |
| 1072 | |
Jian Li | a299519 | 2019-04-02 14:13:04 +0900 | [diff] [blame] | 1073 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1074 | |
Jian Li | a299519 | 2019-04-02 14:13:04 +0900 | [diff] [blame] | 1075 | // we do not consider to much like port range on removing the rules... |
| 1076 | if (install) { |
| 1077 | ExtensionTreatment natTreatment = RulePopulatorUtil |
| 1078 | .niciraConnTrackTreatmentBuilder(driverService, gwNode.intgBridge()) |
| 1079 | .commit(true) |
| 1080 | .natFlag(CT_NAT_SRC_FLAG) |
| 1081 | .natAction(true) |
| 1082 | .natIp(gatewayIp) |
| 1083 | .natPortMin(TpPort.tpPort(minPortNum)) |
| 1084 | .natPortMax(TpPort.tpPort(maxPortNum)) |
| 1085 | .build(); |
| 1086 | |
| 1087 | tBuilder.extension(natTreatment, gwNode.intgBridge()) |
| 1088 | .setEthDst(extPeerRouter.macAddress()) |
| 1089 | .setEthSrc(DEFAULT_GATEWAY_MAC) |
| 1090 | .setOutput(gwNode.uplinkPortNum()); |
| 1091 | } |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1092 | |
| 1093 | osFlowRuleService.setRule( |
| 1094 | appId, |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1095 | gwNode.intgBridge(), |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1096 | selector, |
Jian Li | a299519 | 2019-04-02 14:13:04 +0900 | [diff] [blame] | 1097 | tBuilder.build(), |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1098 | PRIORITY_STATEFUL_SNAT_RULE, |
| 1099 | GW_COMMON_TABLE, |
| 1100 | install); |
| 1101 | } |
| 1102 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1103 | private void setRulesToController(DeviceId deviceId, |
| 1104 | String segmentId, |
| 1105 | IpPrefix srcSubnet, |
| 1106 | Type networkType, |
| 1107 | boolean install) { |
| 1108 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| 1109 | .matchEthType(Ethernet.TYPE_IPV4) |
| 1110 | .matchIPSrc(srcSubnet) |
| 1111 | .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| 1112 | |
| 1113 | switch (networkType) { |
| 1114 | case VXLAN: |
| 1115 | case GRE: |
| 1116 | case GENEVE: |
| 1117 | sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| 1118 | break; |
| 1119 | case VLAN: |
| 1120 | sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| 1121 | break; |
| 1122 | default: |
| 1123 | final String error = String.format("%s %s", |
| 1124 | ERR_UNSUPPORTED_NET_TYPE, |
| 1125 | networkType.toString()); |
| 1126 | throw new IllegalStateException(error); |
| 1127 | } |
| 1128 | |
| 1129 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 1130 | |
| 1131 | if (networkType == VLAN) { |
| 1132 | tBuilder.popVlan(); |
| 1133 | } |
| 1134 | |
| 1135 | tBuilder.punt(); |
| 1136 | |
| 1137 | osFlowRuleService.setRule( |
| 1138 | appId, |
| 1139 | deviceId, |
| 1140 | sBuilder.build(), |
| 1141 | tBuilder.build(), |
| 1142 | PRIORITY_EXTERNAL_ROUTING_RULE, |
| 1143 | GW_COMMON_TABLE, |
| 1144 | install); |
| 1145 | } |
| 1146 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1147 | private boolean getStatefulSnatFlag() { |
| 1148 | Set<ConfigProperty> properties = |
| 1149 | configService.getProperties(getClass().getName()); |
| 1150 | return getPropertyValueAsBoolean(properties, USE_STATEFUL_SNAT); |
| 1151 | } |
| 1152 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1153 | private class InternalInstancePortListener implements InstancePortListener { |
| 1154 | |
| 1155 | private boolean isRelevantHelper(InstancePortEvent event) { |
| 1156 | return mastershipService.isLocalMaster(event.subject().deviceId()); |
| 1157 | } |
| 1158 | |
| 1159 | @Override |
| 1160 | public void event(InstancePortEvent event) { |
| 1161 | InstancePort instPort = event.subject(); |
| 1162 | switch (event.type()) { |
| 1163 | case OPENSTACK_INSTANCE_PORT_DETECTED: |
| 1164 | case OPENSTACK_INSTANCE_PORT_UPDATED: |
| 1165 | eventExecutor.execute(() -> |
| 1166 | processInstancePortDetection(event, instPort)); |
| 1167 | break; |
| 1168 | case OPENSTACK_INSTANCE_PORT_VANISHED: |
| 1169 | eventExecutor.execute(() -> |
| 1170 | processInstancePortRemoval(event, instPort)); |
| 1171 | break; |
| 1172 | case OPENSTACK_INSTANCE_MIGRATION_STARTED: |
| 1173 | eventExecutor.execute(() -> |
| 1174 | processInstanceMigrationStart(event, instPort)); |
| 1175 | break; |
| 1176 | case OPENSTACK_INSTANCE_MIGRATION_ENDED: |
| 1177 | eventExecutor.execute(() -> |
| 1178 | processInstanceMigrationEnd(event, instPort)); |
| 1179 | break; |
| 1180 | default: |
| 1181 | break; |
| 1182 | } |
| 1183 | } |
| 1184 | |
| 1185 | private void processInstancePortDetection(InstancePortEvent event, |
| 1186 | InstancePort instPort) { |
| 1187 | if (!isRelevantHelper(event)) { |
| 1188 | return; |
| 1189 | } |
| 1190 | |
| 1191 | log.info("RoutingHandler: Instance port detected MAC:{} IP:{}", |
| 1192 | instPort.macAddress(), |
| 1193 | instPort.ipAddress()); |
| 1194 | |
| 1195 | instPortDetected(event.subject()); |
| 1196 | } |
| 1197 | |
| 1198 | private void processInstancePortRemoval(InstancePortEvent event, |
| 1199 | InstancePort instPort) { |
| 1200 | if (!isRelevantHelper(event)) { |
| 1201 | return; |
| 1202 | } |
| 1203 | |
| 1204 | log.info("RoutingHandler: Instance port vanished MAC:{} IP:{}", |
| 1205 | instPort.macAddress(), |
| 1206 | instPort.ipAddress()); |
| 1207 | |
| 1208 | instPortRemoved(event.subject()); |
| 1209 | } |
| 1210 | |
| 1211 | private void processInstanceMigrationStart(InstancePortEvent event, |
| 1212 | InstancePort instPort) { |
| 1213 | if (!isRelevantHelper(event)) { |
| 1214 | return; |
| 1215 | } |
| 1216 | |
| 1217 | log.info("RoutingHandler: Migration started for MAC:{} IP:{}", |
| 1218 | instPort.macAddress(), |
| 1219 | instPort.ipAddress()); |
| 1220 | |
| 1221 | instPortDetected(instPort); |
| 1222 | } |
| 1223 | |
| 1224 | private void processInstanceMigrationEnd(InstancePortEvent event, |
| 1225 | InstancePort instPort) { |
| 1226 | log.info("RoutingHandler: Migration finished for MAC:{} IP:{}", |
| 1227 | instPort.macAddress(), |
| 1228 | instPort.ipAddress()); |
| 1229 | // TODO: need to reconfigure rules to point to update VM |
| 1230 | } |
| 1231 | |
| 1232 | private void instPortDetected(InstancePort instPort) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1233 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 1234 | |
| 1235 | if (netType == FLAT) { |
| 1236 | return; |
| 1237 | } |
| 1238 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1239 | if (getStatefulSnatFlag()) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1240 | osNodeService.completeNodes(GATEWAY).forEach(gwNode -> |
| 1241 | setGatewayToInstanceDownstreamRule(gwNode, instPort, true)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1242 | } |
| 1243 | } |
| 1244 | |
| 1245 | private void instPortRemoved(InstancePort instPort) { |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1246 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 1247 | |
| 1248 | if (netType == FLAT) { |
| 1249 | return; |
| 1250 | } |
| 1251 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1252 | if (getStatefulSnatFlag()) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1253 | osNodeService.completeNodes(GATEWAY).forEach(gwNode -> |
| 1254 | setGatewayToInstanceDownstreamRule(gwNode, instPort, false)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1255 | } |
| 1256 | } |
| 1257 | } |
| 1258 | |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 1259 | private class InternalNetworkEventListener implements OpenstackNetworkListener { |
| 1260 | |
| 1261 | @Override |
| 1262 | public boolean isRelevant(OpenstackNetworkEvent event) { |
| 1263 | Port osPort = event.port(); |
| 1264 | if (osPort == null || osPort.getFixedIps() == null) { |
| 1265 | return false; |
| 1266 | } |
| 1267 | |
| 1268 | return DEVICE_OWNER_ROUTER_GW.equals(osPort.getDeviceOwner()) && |
| 1269 | getStatefulSnatFlag(); |
| 1270 | } |
| 1271 | |
| 1272 | private boolean isRelevantHelper() { |
| 1273 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1274 | } |
| 1275 | |
| 1276 | @Override |
| 1277 | public void event(OpenstackNetworkEvent event) { |
| 1278 | IpAddress ipAddress = externalIp(event.port()); |
| 1279 | switch (event.type()) { |
| 1280 | case OPENSTACK_PORT_CREATED: |
| 1281 | case OPENSTACK_PORT_UPDATED: |
| 1282 | eventExecutor.execute(() -> processPortCreation(ipAddress)); |
| 1283 | break; |
| 1284 | case OPENSTACK_PORT_REMOVED: |
| 1285 | eventExecutor.execute(() -> processPortRemoval(ipAddress)); |
| 1286 | break; |
| 1287 | default: |
| 1288 | // do nothing |
| 1289 | break; |
| 1290 | } |
| 1291 | } |
| 1292 | |
| 1293 | private void processPortCreation(IpAddress ipAddress) { |
| 1294 | if (!isRelevantHelper() || ipAddress == null) { |
| 1295 | return; |
| 1296 | } |
| 1297 | |
| 1298 | setStatefulDownstreamRules(ipAddress, true); |
| 1299 | } |
| 1300 | |
| 1301 | private void processPortRemoval(IpAddress ipAddress) { |
| 1302 | if (!isRelevantHelper() || ipAddress == null) { |
| 1303 | return; |
| 1304 | } |
| 1305 | |
| 1306 | setStatefulDownstreamRules(ipAddress, false); |
| 1307 | } |
| 1308 | |
| 1309 | private IpAddress externalIp(Port port) { |
| 1310 | IP ip = port.getFixedIps().stream().findAny().orElse(null); |
| 1311 | |
| 1312 | if (ip != null && ip.getIpAddress() != null) { |
| 1313 | return IpAddress.valueOf(ip.getIpAddress()); |
| 1314 | } |
| 1315 | |
| 1316 | return null; |
| 1317 | } |
| 1318 | } |
| 1319 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1320 | private class InternalRouterEventListener implements OpenstackRouterListener { |
| 1321 | |
| 1322 | private boolean isRelevantHelper() { |
| 1323 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1324 | } |
| 1325 | |
| 1326 | @Override |
| 1327 | public void event(OpenstackRouterEvent event) { |
| 1328 | switch (event.type()) { |
| 1329 | case OPENSTACK_ROUTER_CREATED: |
| 1330 | eventExecutor.execute(() -> processRouterCreation(event)); |
| 1331 | break; |
| 1332 | case OPENSTACK_ROUTER_UPDATED: |
| 1333 | eventExecutor.execute(() -> processRouterUpdate(event)); |
| 1334 | break; |
| 1335 | case OPENSTACK_ROUTER_INTERFACE_ADDED: |
| 1336 | eventExecutor.execute(() -> processRouterIntfCreation(event)); |
| 1337 | break; |
| 1338 | case OPENSTACK_ROUTER_INTERFACE_REMOVED: |
| 1339 | eventExecutor.execute(() -> processRouterIntfRemoval(event)); |
| 1340 | break; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1341 | default: |
| 1342 | break; |
| 1343 | } |
| 1344 | } |
| 1345 | |
| 1346 | private void processRouterCreation(OpenstackRouterEvent event) { |
| 1347 | if (!isRelevantHelper()) { |
| 1348 | return; |
| 1349 | } |
| 1350 | |
| 1351 | log.debug("Router(name:{}, ID:{}) is created", |
Jian Li | 5b22f11 | 2020-10-05 22:36:41 +0900 | [diff] [blame^] | 1352 | deriveResourceName(event.subject()), event.subject().getId()); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1353 | |
| 1354 | routerUpdated(event.subject()); |
| 1355 | } |
| 1356 | |
| 1357 | private void processRouterUpdate(OpenstackRouterEvent event) { |
| 1358 | if (!isRelevantHelper()) { |
| 1359 | return; |
| 1360 | } |
| 1361 | |
| 1362 | log.debug("Router(name:{}, ID:{}) is updated", |
Jian Li | 5b22f11 | 2020-10-05 22:36:41 +0900 | [diff] [blame^] | 1363 | deriveResourceName(event.subject()), event.subject().getId()); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1364 | |
| 1365 | routerUpdated(event.subject()); |
| 1366 | } |
| 1367 | |
| 1368 | private void processRouterIntfCreation(OpenstackRouterEvent event) { |
| 1369 | if (!isRelevantHelper()) { |
| 1370 | return; |
| 1371 | } |
| 1372 | |
| 1373 | log.debug("Router interface {} added to router {}", |
| 1374 | event.routerIface().getPortId(), |
| 1375 | event.routerIface().getId()); |
| 1376 | |
| 1377 | routerIfaceAdded(event.subject(), event.routerIface()); |
| 1378 | } |
| 1379 | |
| 1380 | private void processRouterIntfRemoval(OpenstackRouterEvent event) { |
| 1381 | if (!isRelevantHelper()) { |
| 1382 | return; |
| 1383 | } |
| 1384 | |
| 1385 | log.debug("Router interface {} removed from router {}", |
| 1386 | event.routerIface().getPortId(), |
| 1387 | event.routerIface().getId()); |
| 1388 | |
| 1389 | routerIfaceRemoved(event.subject(), event.routerIface()); |
| 1390 | } |
| 1391 | } |
| 1392 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1393 | private class InternalPacketProcessor implements PacketProcessor { |
| 1394 | |
| 1395 | @Override |
| 1396 | public void process(PacketContext context) { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1397 | |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1398 | if (context.isHandled()) { |
| 1399 | return; |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1400 | } |
| 1401 | |
| 1402 | InboundPacket pkt = context.inPacket(); |
| 1403 | Ethernet eth = pkt.parsed(); |
| 1404 | if (eth == null || eth.getEtherType() == Ethernet.TYPE_ARP) { |
| 1405 | return; |
| 1406 | } |
| 1407 | |
| 1408 | IPv4 iPacket = (IPv4) eth.getPayload(); |
| 1409 | switch (iPacket.getProtocol()) { |
| 1410 | case IPv4.PROTOCOL_ICMP: |
| 1411 | break; |
| 1412 | case IPv4.PROTOCOL_UDP: |
| 1413 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 1414 | if (udpPacket.getDestinationPort() == UDP.DHCP_SERVER_PORT && |
| 1415 | udpPacket.getSourcePort() == UDP.DHCP_CLIENT_PORT) { |
Jian Li | 6a47fd0 | 2018-11-27 21:51:03 +0900 | [diff] [blame] | 1416 | break; // don't process DHCP |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1417 | } |
| 1418 | default: |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1419 | eventExecutor.execute(() -> { |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1420 | if (!isRelevantHelper(context)) { |
| 1421 | return; |
| 1422 | } |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1423 | processSnatPacket(context, eth); |
| 1424 | }); |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1425 | break; |
| 1426 | } |
| 1427 | } |
Jian Li | 34220ea | 2018-11-14 01:30:24 +0900 | [diff] [blame] | 1428 | |
| 1429 | private boolean isRelevantHelper(PacketContext context) { |
| 1430 | Set<DeviceId> gateways = osNodeService.completeNodes(GATEWAY) |
| 1431 | .stream().map(OpenstackNode::intgBridge) |
| 1432 | .collect(Collectors.toSet()); |
| 1433 | |
| 1434 | return gateways.contains(context.inPacket().receivedFrom().deviceId()); |
| 1435 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1436 | } |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1437 | |
| 1438 | private class InternalNodeEventListener implements OpenstackNodeListener { |
| 1439 | |
| 1440 | private boolean isRelevantHelper() { |
| 1441 | return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| 1442 | } |
| 1443 | |
| 1444 | @Override |
| 1445 | public void event(OpenstackNodeEvent event) { |
| 1446 | OpenstackNode osNode = event.subject(); |
| 1447 | switch (event.type()) { |
| 1448 | case OPENSTACK_NODE_COMPLETE: |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1449 | eventExecutor.execute(() -> processGatewayCompletion(osNode)); |
| 1450 | eventExecutor.execute(() -> reconfigureRouters(osNode)); |
| 1451 | break; |
| 1452 | case OPENSTACK_NODE_REMOVED: |
| 1453 | eventExecutor.execute(() -> processGatewayRemoval(osNode)); |
Jian Li | 5d795f2 | 2019-04-01 23:07:40 +0900 | [diff] [blame] | 1454 | eventExecutor.execute(() -> reconfigureRouters(osNode)); |
| 1455 | break; |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1456 | case OPENSTACK_NODE_UPDATED: |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1457 | eventExecutor.execute(() -> reconfigureRouters(osNode)); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1458 | break; |
Jian Li | f7f01d1 | 2019-09-24 22:32:02 +0900 | [diff] [blame] | 1459 | case OPENSTACK_NODE_INCOMPLETE: |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1460 | case OPENSTACK_NODE_CREATED: |
| 1461 | default: |
| 1462 | break; |
| 1463 | } |
| 1464 | } |
| 1465 | |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1466 | private void processGatewayCompletion(OpenstackNode osNode) { |
| 1467 | if (!isRelevantHelper()) { |
| 1468 | return; |
| 1469 | } |
| 1470 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1471 | if (getStatefulSnatFlag() && osNode.type() == GATEWAY) { |
Jian Li | cb0a24e | 2019-09-17 03:30:34 +0900 | [diff] [blame] | 1472 | instancePortService.instancePorts().forEach(instPort -> { |
| 1473 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 1474 | |
| 1475 | if (netType == FLAT) { |
| 1476 | return; |
| 1477 | } |
| 1478 | setGatewayToInstanceDownstreamRule(osNode, instPort, true); |
| 1479 | }); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1480 | } |
| 1481 | } |
| 1482 | |
| 1483 | private void processGatewayRemoval(OpenstackNode osNode) { |
| 1484 | if (!isRelevantHelper()) { |
| 1485 | return; |
| 1486 | } |
| 1487 | |
Jian Li | ec85729 | 2019-04-03 18:18:52 +0900 | [diff] [blame] | 1488 | if (getStatefulSnatFlag() && osNode.type() == GATEWAY) { |
Jian Li | cb0a24e | 2019-09-17 03:30:34 +0900 | [diff] [blame] | 1489 | instancePortService.instancePorts().forEach(instPort -> { |
| 1490 | Type netType = osNetworkAdminService.networkType(instPort.networkId()); |
| 1491 | |
| 1492 | if (netType == FLAT) { |
| 1493 | return; |
| 1494 | } |
| 1495 | |
| 1496 | setGatewayToInstanceDownstreamRule(osNode, instPort, false); |
| 1497 | }); |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1498 | } |
| 1499 | } |
| 1500 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1501 | private void reconfigureRouters(OpenstackNode osNode) { |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1502 | if (!isRelevantHelper()) { |
| 1503 | return; |
| 1504 | } |
| 1505 | |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1506 | osRouterService.routers().forEach(osRouter -> { |
| 1507 | routerUpdated(osRouter); |
| 1508 | osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| 1509 | routerIfaceAdded(osRouter, iface); |
| 1510 | }); |
Jian Li | dc5d501 | 2019-04-04 13:54:41 +0900 | [diff] [blame] | 1511 | |
| 1512 | setStatefulDownstreamRules(osRouter, true); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1513 | }); |
Daniel Park | f8f4f20 | 2019-09-15 16:38:06 +0900 | [diff] [blame] | 1514 | log.debug("Reconfigure routers for {}", osNode.hostname()); |
Jian Li | 33b4db5 | 2019-03-20 18:22:38 +0900 | [diff] [blame] | 1515 | } |
| 1516 | } |
Jian Li | 5a26ab3 | 2019-03-21 15:20:01 +0900 | [diff] [blame] | 1517 | |
| 1518 | private class PortRange { |
| 1519 | private int min; |
| 1520 | private int max; |
| 1521 | |
| 1522 | /** |
| 1523 | * A default constructor. |
| 1524 | * |
| 1525 | * @param min min port num |
| 1526 | * @param max max port num |
| 1527 | */ |
| 1528 | public PortRange(int min, int max) { |
| 1529 | this.min = min; |
| 1530 | this.max = max; |
| 1531 | } |
| 1532 | |
| 1533 | /** |
| 1534 | * Obtains min port num. |
| 1535 | * |
| 1536 | * @return min port num |
| 1537 | */ |
| 1538 | int min() { |
| 1539 | return min; |
| 1540 | } |
| 1541 | |
| 1542 | /** |
| 1543 | * Obtains max port num. |
| 1544 | * |
| 1545 | * @return max port num |
| 1546 | */ |
| 1547 | int max() { |
| 1548 | return max; |
| 1549 | } |
| 1550 | |
| 1551 | @Override |
| 1552 | public String toString() { |
| 1553 | return MoreObjects.toStringHelper(this) |
| 1554 | .add("min", min) |
| 1555 | .add("max", max) |
| 1556 | .toString(); |
| 1557 | } |
| 1558 | |
| 1559 | @Override |
| 1560 | public boolean equals(Object o) { |
| 1561 | if (this == o) { |
| 1562 | return true; |
| 1563 | } |
| 1564 | if (o == null || getClass() != o.getClass()) { |
| 1565 | return false; |
| 1566 | } |
| 1567 | PortRange portRange = (PortRange) o; |
| 1568 | return min == portRange.min && |
| 1569 | max == portRange.max; |
| 1570 | } |
| 1571 | |
| 1572 | @Override |
| 1573 | public int hashCode() { |
| 1574 | return Objects.hash(min, max); |
| 1575 | } |
| 1576 | } |
Hyunsun Moon | 44aac66 | 2017-02-18 02:07:01 +0900 | [diff] [blame] | 1577 | } |