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; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 74 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 75 | private static final String PORTNAME_PREFIX_VM = "tap"; |
| 76 | private static final String PORTNAME_PREFIX_ROUTER = "qr"; |
| 77 | private static final String PORTNAME_PREFIX_TUNNEL = "vxlan"; |
| 78 | private static final String PORTNAME = "portName"; |
| 79 | |
| 80 | private static final String PORTNOTNULL = "Port can not be null"; |
| 81 | private static final String TUNNEL_DESTINATION = "tunnelDst"; |
| 82 | private static final String DEVICE_ANNOTATION_CHANNELID = "channelId"; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 83 | private static final int ROUTING_RULE_PRIORITY = 25000; |
| 84 | private static final int PNAT_RULE_PRIORITY = 24000; |
| 85 | private static final int PNAT_TIMEOUT = 120; |
| 86 | private static final MacAddress GATEWAYMAC = MacAddress.valueOf("1f:1f:1f:1f:1f:1f"); |
| 87 | |
| 88 | private InboundPacket inboundPacket; |
| 89 | private OpenstackPort openstackPort; |
| 90 | private int portNum; |
| 91 | private MacAddress externalInterface; |
| 92 | private MacAddress externalRouter; |
| 93 | private OpenstackRouter router; |
| 94 | private OpenstackRouterInterface routerInterface; |
| 95 | |
| 96 | // TODO: This will be replaced to get the information from openstackswitchingservice. |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 97 | private static final String EXTERNAL_INTERFACE_NAME = "veth0"; |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 98 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 99 | /** |
| 100 | * The constructor of openstackRoutingRulePopulator. |
| 101 | * |
| 102 | * @param appId Caller`s appId |
| 103 | * @param openstackService OpenstackNetworkingService |
| 104 | * @param flowObjectiveService FlowObjectiveService |
| 105 | * @param deviceService DeviceService |
| 106 | * @param driverService DriverService |
| 107 | */ |
sangho | 93447f1 | 2016-02-24 00:33:22 +0900 | [diff] [blame] | 108 | public OpenstackRoutingRulePopulator(ApplicationId appId, OpenstackInterfaceService openstackService, |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 109 | FlowObjectiveService flowObjectiveService, |
| 110 | DeviceService deviceService, DriverService driverService) { |
| 111 | this.appId = appId; |
| 112 | this.flowObjectiveService = flowObjectiveService; |
| 113 | this.openstackService = openstackService; |
| 114 | this.deviceService = deviceService; |
| 115 | this.driverService = driverService; |
| 116 | } |
| 117 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 118 | /** |
| 119 | * Populates flow rules for Pnat configurations. |
| 120 | * @param inboundPacket Packet-in event packet |
| 121 | * @param openstackPort Target VM information |
| 122 | * @param portNum Pnat port number |
Hyunsun Moon | 0dba61f | 2016-03-03 14:05:21 -0800 | [diff] [blame] | 123 | * @param externalIp external ip address |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 124 | * @param externalInterfaceMacAddress Gateway external interface macaddress |
| 125 | * @param externalRouterMacAddress Outer(physical) router`s macaddress |
| 126 | */ |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 127 | public void populatePnatFlowRules(InboundPacket inboundPacket, OpenstackPort openstackPort, int portNum, |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 128 | Ip4Address externalIp, MacAddress externalInterfaceMacAddress, |
| 129 | MacAddress externalRouterMacAddress) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 130 | this.inboundPacket = inboundPacket; |
| 131 | this.openstackPort = openstackPort; |
| 132 | this.portNum = portNum; |
| 133 | this.externalInterface = externalInterfaceMacAddress; |
| 134 | this.externalRouter = externalRouterMacAddress; |
| 135 | |
| 136 | long vni = getVni(openstackPort); |
| 137 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 138 | populatePnatIncomingFlowRules(vni, externalIp); |
| 139 | populatePnatOutgoingFlowRules(vni, externalIp); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 140 | } |
| 141 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 142 | private void populatePnatOutgoingFlowRules(long vni, Ip4Address externalIp) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 143 | IPv4 iPacket = (IPv4) inboundPacket.parsed().getPayload(); |
| 144 | |
| 145 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 146 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 147 | .matchIPProtocol(iPacket.getProtocol()) |
| 148 | .matchTunnelId(vni) |
| 149 | .matchIPSrc(IpPrefix.valueOf(iPacket.getSourceAddress(), 32)) |
| 150 | .matchIPDst(IpPrefix.valueOf(iPacket.getDestinationAddress(), 32)); |
| 151 | |
| 152 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 153 | tBuilder.setEthSrc(externalInterface) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 154 | .setEthDst(externalRouter) |
| 155 | .setIpSrc(externalIp); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 156 | |
| 157 | switch (iPacket.getProtocol()) { |
| 158 | case IPv4.PROTOCOL_TCP: |
| 159 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 160 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getSourcePort())) |
| 161 | .matchTcpDst(TpPort.tpPort(tcpPacket.getDestinationPort())); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 162 | tBuilder.setTcpSrc(TpPort.tpPort(portNum)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 163 | break; |
| 164 | case IPv4.PROTOCOL_UDP: |
| 165 | UDP udpPacket = (UDP) iPacket.getPayload(); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 166 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getSourcePort())) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 167 | .matchUdpDst(TpPort.tpPort(udpPacket.getDestinationPort())); |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 168 | tBuilder.setUdpSrc(TpPort.tpPort(portNum)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 169 | break; |
| 170 | default: |
| 171 | break; |
| 172 | } |
| 173 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 174 | Port port = checkNotNull(getPortNumOfExternalInterface(), PORTNOTNULL); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 175 | tBuilder.setOutput(port.number()); |
| 176 | |
| 177 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 178 | .withSelector(sBuilder.build()) |
| 179 | .withTreatment(tBuilder.build()) |
| 180 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 181 | .withPriority(PNAT_RULE_PRIORITY) |
| 182 | .makeTemporary(PNAT_TIMEOUT) |
| 183 | .fromApp(appId) |
| 184 | .add(); |
| 185 | |
| 186 | flowObjectiveService.forward(inboundPacket.receivedFrom().deviceId(), fo); |
| 187 | } |
| 188 | |
| 189 | private Port getPortNumOfExternalInterface() { |
| 190 | return deviceService.getPorts(inboundPacket.receivedFrom().deviceId()).stream() |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 191 | .filter(p -> p.annotations().value(PORTNAME).equals(EXTERNAL_INTERFACE_NAME)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 192 | .findAny().orElse(null); |
| 193 | } |
| 194 | |
| 195 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 196 | private void populatePnatIncomingFlowRules(long vni, Ip4Address externalIp) { |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 197 | IPv4 iPacket = (IPv4) inboundPacket.parsed().getPayload(); |
| 198 | DeviceId deviceId = inboundPacket.receivedFrom().deviceId(); |
| 199 | |
| 200 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 201 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 202 | .matchIPProtocol(iPacket.getProtocol()) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 203 | .matchIPDst(IpPrefix.valueOf(externalIp, 32)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 204 | .matchIPSrc(IpPrefix.valueOf(iPacket.getDestinationAddress(), 32)); |
| 205 | |
| 206 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 207 | tBuilder.setTunnelId(vni) |
| 208 | .setIpDst(IpAddress.valueOf(iPacket.getSourceAddress())); |
| 209 | |
| 210 | switch (iPacket.getProtocol()) { |
| 211 | case IPv4.PROTOCOL_TCP: |
| 212 | TCP tcpPacket = (TCP) iPacket.getPayload(); |
| 213 | sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getDestinationPort())) |
| 214 | .matchTcpDst(TpPort.tpPort(portNum)); |
| 215 | tBuilder.setTcpDst(TpPort.tpPort(tcpPacket.getSourcePort())); |
| 216 | break; |
| 217 | case IPv4.PROTOCOL_UDP: |
| 218 | UDP udpPacket = (UDP) iPacket.getPayload(); |
| 219 | sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getDestinationPort())) |
| 220 | .matchUdpDst(TpPort.tpPort(portNum)); |
| 221 | tBuilder.setUdpDst(TpPort.tpPort(udpPacket.getSourcePort())); |
| 222 | break; |
| 223 | default: |
| 224 | break; |
| 225 | } |
| 226 | |
| 227 | tBuilder.extension(buildNiciraExtenstion(deviceId, Ip4Address.valueOf(iPacket.getSourceAddress())), deviceId) |
| 228 | .setOutput(getTunnelPort(deviceId)); |
| 229 | |
| 230 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 231 | .withSelector(sBuilder.build()) |
| 232 | .withTreatment(tBuilder.build()) |
| 233 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 234 | .withPriority(PNAT_RULE_PRIORITY) |
| 235 | .makeTemporary(PNAT_TIMEOUT) |
| 236 | .fromApp(appId) |
| 237 | .add(); |
| 238 | |
| 239 | flowObjectiveService.forward(inboundPacket.receivedFrom().deviceId(), fo); |
| 240 | } |
| 241 | |
| 242 | private ExtensionTreatment buildNiciraExtenstion(DeviceId id, Ip4Address hostIp) { |
| 243 | Driver driver = driverService.getDriver(id); |
| 244 | DriverHandler driverHandler = new DefaultDriverHandler(new DefaultDriverData(driver, id)); |
| 245 | ExtensionTreatmentResolver resolver = driverHandler.behaviour(ExtensionTreatmentResolver.class); |
| 246 | |
| 247 | ExtensionTreatment extensionInstruction = |
| 248 | resolver.getExtensionInstruction( |
| 249 | ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type()); |
| 250 | |
| 251 | try { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 252 | extensionInstruction.setPropertyValue(TUNNEL_DESTINATION, hostIp); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 253 | } catch (ExtensionPropertyException e) { |
| 254 | log.error("Error setting Nicira extension setting {}", e); |
| 255 | } |
| 256 | |
| 257 | return extensionInstruction; |
| 258 | } |
| 259 | |
| 260 | private PortNumber getTunnelPort(DeviceId deviceId) { |
| 261 | Port port = deviceService.getPorts(deviceId).stream() |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 262 | .filter(p -> p.annotations().value(PORTNAME).equals(PORTNAME_PREFIX_TUNNEL)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 263 | .findAny().orElse(null); |
| 264 | |
| 265 | if (port == null) { |
| 266 | log.error("No TunnelPort was created."); |
| 267 | return null; |
| 268 | } |
| 269 | return port.number(); |
| 270 | |
| 271 | } |
| 272 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 273 | /** |
| 274 | * Populates flow rules from openstackComputeNode to GatewayNode. |
| 275 | * |
| 276 | * @param vni Target network |
| 277 | * @param router corresponding router |
| 278 | * @param routerInterface corresponding routerInterface |
| 279 | */ |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 280 | public void populateExternalRules(long vni, OpenstackRouter router, |
| 281 | OpenstackRouterInterface routerInterface) { |
| 282 | this.router = router; |
| 283 | this.routerInterface = routerInterface; |
| 284 | |
| 285 | // 1. computeNode to gateway |
| 286 | populateComputeNodeRules(vni); |
| 287 | // 2. gatewayNode to controller |
| 288 | populateRuleGatewaytoController(vni); |
| 289 | } |
| 290 | |
| 291 | private void populateRuleGatewaytoController(long vni) { |
| 292 | Device gatewayDevice = getGatewayNode(); |
| 293 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 294 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 295 | |
| 296 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 297 | .matchTunnelId(vni) |
| 298 | .matchEthDst(GATEWAYMAC); |
| 299 | tBuilder.setOutput(PortNumber.CONTROLLER); |
| 300 | |
| 301 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 302 | .withSelector(sBuilder.build()) |
| 303 | .withTreatment(tBuilder.build()) |
| 304 | .withFlag(ForwardingObjective.Flag.VERSATILE) |
| 305 | .withPriority(ROUTING_RULE_PRIORITY) |
| 306 | .fromApp(appId) |
| 307 | .add(); |
| 308 | |
| 309 | flowObjectiveService.forward(gatewayDevice.id(), fo); |
| 310 | } |
| 311 | |
| 312 | private void populateComputeNodeRules(long vni) { |
| 313 | Device gatewayDevice = getGatewayNode(); |
| 314 | |
| 315 | StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false) |
| 316 | .filter(d -> !checkGatewayNode(d.id())) |
| 317 | .forEach(d -> populateRuleToGateway(d, gatewayDevice, vni)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | private void populateRuleToGateway(Device d, Device gatewayDevice, long vni) { |
| 321 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 322 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 323 | |
| 324 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| 325 | .matchTunnelId(vni) |
| 326 | .matchEthDst(GATEWAYMAC); |
| 327 | tBuilder.extension(buildNiciraExtenstion(d.id(), getIPAddressforDevice(gatewayDevice)), d.id()) |
| 328 | .setOutput(getTunnelPort(d.id())); |
| 329 | |
| 330 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 331 | .withSelector(sBuilder.build()) |
| 332 | .withTreatment(tBuilder.build()) |
| 333 | .withFlag(ForwardingObjective.Flag.SPECIFIC) |
| 334 | .withPriority(ROUTING_RULE_PRIORITY) |
| 335 | .fromApp(appId) |
| 336 | .add(); |
| 337 | |
| 338 | flowObjectiveService.forward(d.id(), fo); |
| 339 | } |
| 340 | |
| 341 | private Ip4Address getIPAddressforDevice(Device device) { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 342 | return Ip4Address.valueOf(device.annotations().value(DEVICE_ANNOTATION_CHANNELID).split(":")[0]); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 343 | } |
| 344 | |
| 345 | private Device getGatewayNode() { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 346 | return checkNotNull(StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false) |
| 347 | .filter(d -> checkGatewayNode(d.id())) |
| 348 | .findAny() |
| 349 | .orElse(null)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | private boolean checkGatewayNode(DeviceId deviceId) { |
| 353 | return !deviceService.getPorts(deviceId).stream().anyMatch(port -> |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 354 | port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_ROUTER) || |
| 355 | port.annotations().value(PORTNAME).startsWith(PORTNAME_PREFIX_VM)); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | private long getVni(OpenstackPort openstackPort) { |
| 359 | return Long.parseLong(openstackService.network(openstackPort.networkId()).segmentId()); |
| 360 | } |
| 361 | |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 362 | private long getVni(OpenstackSubnet openstackSubnet) { |
| 363 | return Long.parseLong(openstackService.network(openstackSubnet.networkId()).segmentId()); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Remove flow rules for external connection. |
| 368 | * |
| 369 | * @param routerInterface Corresponding routerInterface |
| 370 | */ |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 371 | public void removeExternalRules(OpenstackRouterInterface routerInterface) { |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 372 | OpenstackSubnet openstackSubnet = openstackService.subnet(routerInterface.subnetId()); |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 373 | TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| 374 | sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
Kyuhwi Choi | e2b37e3 | 2016-02-05 14:04:14 +0900 | [diff] [blame] | 375 | .matchTunnelId(getVni(openstackSubnet)) |
sangho | 0c2a3da | 2016-02-16 13:39:07 +0900 | [diff] [blame] | 376 | .matchEthDst(GATEWAYMAC); |
| 377 | |
| 378 | StreamSupport.stream(deviceService.getAvailableDevices().spliterator(), false) |
| 379 | .forEach(d -> { |
| 380 | if (checkGatewayNode(d.id())) { |
| 381 | removeExternalRule(d.id(), sBuilder, ForwardingObjective.Flag.VERSATILE); |
| 382 | } else { |
| 383 | removeExternalRule(d.id(), sBuilder, ForwardingObjective.Flag.SPECIFIC); |
| 384 | } |
| 385 | }); |
| 386 | |
| 387 | } |
| 388 | |
| 389 | private void removeExternalRule(DeviceId id, TrafficSelector.Builder sBuilder, ForwardingObjective.Flag flag) { |
| 390 | TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| 391 | |
| 392 | ForwardingObjective fo = DefaultForwardingObjective.builder() |
| 393 | .withSelector(sBuilder.build()) |
| 394 | .withTreatment(tBuilder.build()) |
| 395 | .withFlag(flag) |
| 396 | .withPriority(ROUTING_RULE_PRIORITY) |
| 397 | .fromApp(appId) |
| 398 | .remove(); |
| 399 | |
| 400 | flowObjectiveService.forward(id, fo); |
| 401 | } |
| 402 | |
| 403 | } |