sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Open Networking Laboratory |
| 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.routing; |
| 17 | |
| 18 | import org.onlab.packet.Ethernet; |
| 19 | import org.onlab.packet.IPv4; |
| 20 | import org.onlab.packet.Ip4Address; |
| 21 | import org.onlab.packet.IpAddress; |
| 22 | import org.onlab.packet.IpPrefix; |
| 23 | import org.onlab.packet.MacAddress; |
| 24 | import org.onlab.packet.TCP; |
| 25 | import org.onlab.packet.TpPort; |
| 26 | import org.onlab.packet.UDP; |
| 27 | import org.onosproject.core.ApplicationId; |
| 28 | import org.onosproject.net.Device; |
| 29 | import org.onosproject.net.DeviceId; |
| 30 | import org.onosproject.net.Port; |
| 31 | import org.onosproject.net.PortNumber; |
| 32 | import org.onosproject.net.behaviour.ExtensionTreatmentResolver; |
| 33 | import org.onosproject.net.device.DeviceService; |
| 34 | import org.onosproject.net.driver.DefaultDriverData; |
| 35 | import org.onosproject.net.driver.DefaultDriverHandler; |
| 36 | import org.onosproject.net.driver.Driver; |
| 37 | import org.onosproject.net.driver.DriverHandler; |
| 38 | import org.onosproject.net.driver.DriverService; |
| 39 | import org.onosproject.net.flow.DefaultTrafficSelector; |
| 40 | import org.onosproject.net.flow.DefaultTrafficTreatment; |
| 41 | import org.onosproject.net.flow.TrafficSelector; |
| 42 | import org.onosproject.net.flow.TrafficTreatment; |
| 43 | import org.onosproject.net.flow.instructions.ExtensionPropertyException; |
| 44 | import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| 45 | import org.onosproject.net.flow.instructions.ExtensionTreatmentType; |
| 46 | import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| 47 | import org.onosproject.net.flowobjective.FlowObjectiveService; |
| 48 | import org.onosproject.net.flowobjective.ForwardingObjective; |
| 49 | import org.onosproject.net.packet.InboundPacket; |
sangho | 93447f1 | 2016-02-24 00:33:22 +0900 | [diff] [blame] | 50 | import org.onosproject.openstackinterface.OpenstackInterfaceService; |
| 51 | import org.onosproject.openstackinterface.OpenstackPort; |
| 52 | import org.onosproject.openstackinterface.OpenstackRouter; |
| 53 | import org.onosproject.openstackinterface.OpenstackRouterInterface; |
| 54 | import org.onosproject.openstackinterface.OpenstackSubnet; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 55 | import org.slf4j.Logger; |
| 56 | import org.slf4j.LoggerFactory; |
| 57 | |
| 58 | import java.util.stream.StreamSupport; |
| 59 | |
| 60 | import static com.google.common.base.Preconditions.checkNotNull; |
| 61 | |
| 62 | /** |
| 63 | * Populates Routing Flow Rules. |
| 64 | */ |
| 65 | public class OpenstackRoutingRulePopulator { |
| 66 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 67 | private final Logger log = LoggerFactory.getLogger(getClass()); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 68 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 69 | private final ApplicationId appId; |
| 70 | private final FlowObjectiveService flowObjectiveService; |
sangho | 93447f1 | 2016-02-24 00:33:22 +0900 | [diff] [blame] | 71 | private final OpenstackInterfaceService openstackService; |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 72 | private final DeviceService deviceService; |
| 73 | private final DriverService driverService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 74 | private final OpenstackRoutingConfig config; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 75 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 76 | private static final String PORTNAME_PREFIX_VM = "tap"; |
| 77 | private static final String PORTNAME_PREFIX_ROUTER = "qr"; |
| 78 | private static final String PORTNAME_PREFIX_TUNNEL = "vxlan"; |
| 79 | private static final String PORTNAME = "portName"; |
| 80 | |
| 81 | private static final String PORTNOTNULL = "Port can not be null"; |
| 82 | private static final String TUNNEL_DESTINATION = "tunnelDst"; |
| 83 | private static final String DEVICE_ANNOTATION_CHANNELID = "channelId"; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 84 | private static final int ROUTING_RULE_PRIORITY = 25000; |
| 85 | private static final int PNAT_RULE_PRIORITY = 24000; |
| 86 | private static final int PNAT_TIMEOUT = 120; |
| 87 | private static final MacAddress GATEWAYMAC = MacAddress.valueOf("1f:1f:1f:1f:1f:1f"); |
| 88 | |
| 89 | private InboundPacket inboundPacket; |
| 90 | private OpenstackPort openstackPort; |
| 91 | private int portNum; |
| 92 | private MacAddress externalInterface; |
| 93 | private MacAddress externalRouter; |
| 94 | private OpenstackRouter router; |
| 95 | private OpenstackRouterInterface routerInterface; |
| 96 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 97 | /** |
| 98 | * The constructor of openstackRoutingRulePopulator. |
| 99 | * |
| 100 | * @param appId Caller`s appId |
| 101 | * @param openstackService OpenstackNetworkingService |
| 102 | * @param flowObjectiveService FlowObjectiveService |
| 103 | * @param deviceService DeviceService |
| 104 | * @param driverService DriverService |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 105 | * @param config OpenstackRoutingConfig |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 106 | */ |
sangho | 93447f1 | 2016-02-24 00:33:22 +0900 | [diff] [blame] | 107 | public OpenstackRoutingRulePopulator(ApplicationId appId, OpenstackInterfaceService openstackService, |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 108 | FlowObjectiveService flowObjectiveService, DeviceService deviceService, |
| 109 | DriverService driverService, OpenstackRoutingConfig config) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 110 | this.appId = appId; |
| 111 | this.flowObjectiveService = flowObjectiveService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 112 | this.openstackService = checkNotNull(openstackService); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 113 | this.deviceService = deviceService; |
| 114 | this.driverService = driverService; |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 115 | this.config = config; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 116 | } |
| 117 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 118 | /** |
| 119 | * Populates flow rules for Pnat configurations. |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 120 | * |
| 121 | * @param inboundPacket Packet-in event packet |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 122 | * @param openstackPort Target VM information |
| 123 | * @param portNum Pnat port number |
Hyunsun Moon | 0dba61f | 2016-03-03 14:05:21 -0800 | [diff] [blame] | 124 | * @param externalIp external ip address |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 125 | * @param externalInterfaceMacAddress Gateway external interface macaddress |
| 126 | * @param externalRouterMacAddress Outer(physical) router`s macaddress |
| 127 | */ |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 128 | public void populatePnatFlowRules(InboundPacket inboundPacket, OpenstackPort openstackPort, int portNum, |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 129 | Ip4Address externalIp, MacAddress externalInterfaceMacAddress, |
| 130 | MacAddress externalRouterMacAddress) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 131 | this.inboundPacket = inboundPacket; |
| 132 | this.openstackPort = openstackPort; |
| 133 | this.portNum = portNum; |
| 134 | this.externalInterface = externalInterfaceMacAddress; |
| 135 | this.externalRouter = externalRouterMacAddress; |
| 136 | |
| 137 | long vni = getVni(openstackPort); |
| 138 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 139 | populatePnatIncomingFlowRules(vni, externalIp); |
| 140 | populatePnatOutgoingFlowRules(vni, externalIp); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 141 | } |
| 142 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 143 | private void populatePnatOutgoingFlowRules(long vni, Ip4Address externalIp) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 144 | IPv4 iPacket = (IPv4) inboundPacket.parsed().getPayload(); |
| 145 | |
| 146 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 147 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 148 | .matchIPProtocol(iPacket.getProtocol()) |
| 149 | .matchTunnelId(vni) |
| 150 | .matchIPSrc(IpPrefix.valueOf(iPacket.getSourceAddress(), 32)) |
| 151 | .matchIPDst(IpPrefix.valueOf(iPacket.getDestinationAddress(), 32)); |
| 152 | |
| 153 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 154 | tBuilder.setEthSrc(externalInterface) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 155 | .setEthDst(externalRouter) |
| 156 | .setIpSrc(externalIp); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 157 | |
| 158 | switch (iPacket.getProtocol()) { |
| 159 | case IPv4.PROTOCOL_TCP: |
| 160 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 161 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getSourcePort())) |
| 162 | .matchTcpDst(TpPort.tpPort(tcpPacket.getDestinationPort())); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 163 | tBuilder.setTcpSrc(TpPort.tpPort(portNum)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 164 | break; |
| 165 | case IPv4.PROTOCOL_UDP: |
| 166 | UDP udpPacket = (UDP) iPacket.getPayload(); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 167 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getSourcePort())) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 168 | .matchUdpDst(TpPort.tpPort(udpPacket.getDestinationPort())); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 169 | tBuilder.setUdpSrc(TpPort.tpPort(portNum)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 170 | break; |
| 171 | default: |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 172 | log.debug("Unsupported IPv4 protocol {}"); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 173 | break; |
| 174 | } |
| 175 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 176 | Port port = checkNotNull(getPortNumOfExternalInterface(), PORTNOTNULL); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 177 | tBuilder.setOutput(port.number()); |
| 178 | |
| 179 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 180 | .withSelector(sBuilder.build()) |
| 181 | .withTreatment(tBuilder.build()) |
| 182 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 183 | .withPriority(PNAT_RULE_PRIORITY) |
| 184 | .makeTemporary(PNAT_TIMEOUT) |
| 185 | .fromApp(appId) |
| 186 | .add(); |
| 187 | |
| 188 | flowObjectiveService.forward(inboundPacket.receivedFrom().deviceId(), fo); |
| 189 | } |
| 190 | |
| 191 | private Port getPortNumOfExternalInterface() { |
| 192 | return deviceService.getPorts(inboundPacket.receivedFrom().deviceId()).stream() |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 193 | .filter(p -> p.annotations().value(PORTNAME).equals(config.gatewayExternalInterfaceName())) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 194 | .findAny().orElse(null); |
| 195 | } |
| 196 | |
| 197 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 198 | private void populatePnatIncomingFlowRules(long vni, Ip4Address externalIp) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 199 | IPv4 iPacket = (IPv4) inboundPacket.parsed().getPayload(); |
| 200 | DeviceId deviceId = inboundPacket.receivedFrom().deviceId(); |
| 201 | |
| 202 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 203 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 204 | .matchIPProtocol(iPacket.getProtocol()) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 205 | .matchIPDst(IpPrefix.valueOf(externalIp, 32)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 206 | .matchIPSrc(IpPrefix.valueOf(iPacket.getDestinationAddress(), 32)); |
| 207 | |
| 208 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 209 | tBuilder.setTunnelId(vni) |
| 210 | .setIpDst(IpAddress.valueOf(iPacket.getSourceAddress())); |
| 211 | |
| 212 | switch (iPacket.getProtocol()) { |
| 213 | case IPv4.PROTOCOL_TCP: |
| 214 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 215 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getDestinationPort())) |
| 216 | .matchTcpDst(TpPort.tpPort(portNum)); |
| 217 | tBuilder.setTcpDst(TpPort.tpPort(tcpPacket.getSourcePort())); |
| 218 | break; |
| 219 | case IPv4.PROTOCOL_UDP: |
| 220 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 221 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getDestinationPort())) |
| 222 | .matchUdpDst(TpPort.tpPort(portNum)); |
| 223 | tBuilder.setUdpDst(TpPort.tpPort(udpPacket.getSourcePort())); |
| 224 | break; |
| 225 | default: |
| 226 | break; |
| 227 | } |
| 228 | |
| 229 | tBuilder.extension(buildNiciraExtenstion(deviceId, Ip4Address.valueOf(iPacket.getSourceAddress())), deviceId) |
| 230 | .setOutput(getTunnelPort(deviceId)); |
| 231 | |
| 232 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 233 | .withSelector(sBuilder.build()) |
| 234 | .withTreatment(tBuilder.build()) |
| 235 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 236 | .withPriority(PNAT_RULE_PRIORITY) |
| 237 | .makeTemporary(PNAT_TIMEOUT) |
| 238 | .fromApp(appId) |
| 239 | .add(); |
| 240 | |
| 241 | flowObjectiveService.forward(inboundPacket.receivedFrom().deviceId(), fo); |
| 242 | } |
| 243 | |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 244 | /** |
| 245 | * Returns NiciraExtension treatment. |
| 246 | * |
| 247 | * @param id device id |
| 248 | * @param hostIp host ip |
| 249 | * @return NiciraExtension treatment |
| 250 | */ |
| 251 | |
| 252 | public ExtensionTreatment buildNiciraExtenstion(DeviceId id, Ip4Address hostIp) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 253 | Driver driver = driverService.getDriver(id); |
| 254 | DriverHandler driverHandler = new DefaultDriverHandler(new DefaultDriverData(driver, id)); |
| 255 | ExtensionTreatmentResolver resolver = driverHandler.behaviour(ExtensionTreatmentResolver.class); |
| 256 | |
| 257 | ExtensionTreatment extensionInstruction = |
| 258 | resolver.getExtensionInstruction( |
| 259 | ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type()); |
| 260 | |
| 261 | try { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 262 | extensionInstruction.setPropertyValue(TUNNEL_DESTINATION, hostIp); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 263 | } catch (ExtensionPropertyException e) { |
| 264 | log.error("Error setting Nicira extension setting {}", e); |
| 265 | } |
| 266 | |
| 267 | return extensionInstruction; |
| 268 | } |
| 269 | |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 270 | /** |
| 271 | * Returns port number of vxlan tunnel. |
| 272 | * |
| 273 | * @param deviceId device id |
| 274 | * @return port number of vxlan tunnel |
| 275 | */ |
| 276 | public PortNumber getTunnelPort(DeviceId deviceId) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 277 | Port port = deviceService.getPorts(deviceId).stream() |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 278 | .filter(p -> p.annotations().value(PORTNAME).equals(PORTNAME_PREFIX_TUNNEL)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 279 | .findAny().orElse(null); |
| 280 | |
| 281 | if (port == null) { |
| 282 | log.error("No TunnelPort was created."); |
| 283 | return null; |
| 284 | } |
| 285 | return port.number(); |
| 286 | |
| 287 | } |
| 288 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 289 | /** |
| 290 | * Populates flow rules from openstackComputeNode to GatewayNode. |
| 291 | * |
| 292 | * @param vni Target network |
| 293 | * @param router corresponding router |
| 294 | * @param routerInterface corresponding routerInterface |
| 295 | */ |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 296 | public void populateExternalRules(long vni, OpenstackRouter router, |
| 297 | OpenstackRouterInterface routerInterface) { |
| 298 | this.router = router; |
| 299 | this.routerInterface = routerInterface; |
| 300 | |
| 301 | // 1. computeNode to gateway |
| 302 | populateComputeNodeRules(vni); |
| 303 | // 2. gatewayNode to controller |
| 304 | populateRuleGatewaytoController(vni); |
| 305 | } |
| 306 | |
| 307 | private void populateRuleGatewaytoController(long vni) { |
| 308 | Device gatewayDevice = getGatewayNode(); |
| 309 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 310 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 311 | |
| 312 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 313 | .matchTunnelId(vni) |
| 314 | .matchEthDst(GATEWAYMAC); |
| 315 | tBuilder.setOutput(PortNumber.CONTROLLER); |
| 316 | |
| 317 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 318 | .withSelector(sBuilder.build()) |
| 319 | .withTreatment(tBuilder.build()) |
| 320 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 321 | .withPriority(ROUTING_RULE_PRIORITY) |
| 322 | .fromApp(appId) |
| 323 | .add(); |
| 324 | |
| 325 | flowObjectiveService.forward(gatewayDevice.id(), fo); |
| 326 | } |
| 327 | |
| 328 | private void populateComputeNodeRules(long vni) { |
| 329 | Device gatewayDevice = getGatewayNode(); |
| 330 | |
| 331 | StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false) |
| 332 | .filter(d -> !checkGatewayNode(d.id())) |
| 333 | .forEach(d -> populateRuleToGateway(d, gatewayDevice, vni)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | private void populateRuleToGateway(Device d, Device gatewayDevice, long vni) { |
| 337 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 338 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 339 | |
| 340 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 341 | .matchTunnelId(vni) |
| 342 | .matchEthDst(GATEWAYMAC); |
| 343 | tBuilder.extension(buildNiciraExtenstion(d.id(), getIPAddressforDevice(gatewayDevice)), d.id()) |
| 344 | .setOutput(getTunnelPort(d.id())); |
| 345 | |
| 346 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 347 | .withSelector(sBuilder.build()) |
| 348 | .withTreatment(tBuilder.build()) |
| 349 | .withFlag(ForwardingObjective.Flag.SPECIFIC) |
| 350 | .withPriority(ROUTING_RULE_PRIORITY) |
| 351 | .fromApp(appId) |
| 352 | .add(); |
| 353 | |
| 354 | flowObjectiveService.forward(d.id(), fo); |
| 355 | } |
| 356 | |
| 357 | private Ip4Address getIPAddressforDevice(Device device) { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 358 | return Ip4Address.valueOf(device.annotations().value(DEVICE_ANNOTATION_CHANNELID).split(":")[0]); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | private Device getGatewayNode() { |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 362 | return checkNotNull(deviceService.getDevice(DeviceId.deviceId(config.gatewayBridgeId()))); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | private boolean checkGatewayNode(DeviceId deviceId) { |
Daniel Park | 81a61a1 | 2016-02-26 08:24:44 +0900 | [diff] [blame] | 366 | return deviceId.toString().equals(config.gatewayBridgeId()); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 367 | } |
| 368 | |
| 369 | private long getVni(OpenstackPort openstackPort) { |
| 370 | return Long.parseLong(openstackService.network(openstackPort.networkId()).segmentId()); |
| 371 | } |
| 372 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 373 | private long getVni(OpenstackSubnet openstackSubnet) { |
| 374 | return Long.parseLong(openstackService.network(openstackSubnet.networkId()).segmentId()); |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Remove flow rules for external connection. |
| 379 | * |
| 380 | * @param routerInterface Corresponding routerInterface |
| 381 | */ |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 382 | public void removeExternalRules(OpenstackRouterInterface routerInterface) { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 383 | OpenstackSubnet openstackSubnet = openstackService.subnet(routerInterface.subnetId()); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 384 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 385 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 386 | .matchTunnelId(getVni(openstackSubnet)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 387 | .matchEthDst(GATEWAYMAC); |
| 388 | |
| 389 | StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false) |
| 390 | .forEach(d -> { |
| 391 | if (checkGatewayNode(d.id())) { |
| 392 | removeExternalRule(d.id(), sBuilder, ForwardingObjective.Flag.VERSATILE); |
| 393 | } else { |
| 394 | removeExternalRule(d.id(), sBuilder, ForwardingObjective.Flag.SPECIFIC); |
| 395 | } |
| 396 | }); |
| 397 | |
| 398 | } |
| 399 | |
| 400 | private void removeExternalRule(DeviceId id, TrafficSelector.Builder sBuilder, ForwardingObjective.Flag flag) { |
| 401 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 402 | |
| 403 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 404 | .withSelector(sBuilder.build()) |
| 405 | .withTreatment(tBuilder.build()) |
| 406 | .withFlag(flag) |
| 407 | .withPriority(ROUTING_RULE_PRIORITY) |
| 408 | .fromApp(appId) |
| 409 | .remove(); |
| 410 | |
| 411 | flowObjectiveService.forward(id, fo); |
| 412 | } |
| 413 | |
| 414 | } |