| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.openstacknetworking.routing; |
| |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.TCP; |
| import org.onlab.packet.TpPort; |
| import org.onlab.packet.UDP; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.ExtensionTreatmentResolver; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.DefaultDriverData; |
| import org.onosproject.net.driver.DefaultDriverHandler; |
| import org.onosproject.net.driver.Driver; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.instructions.ExtensionPropertyException; |
| import org.onosproject.net.flow.instructions.ExtensionTreatment; |
| import org.onosproject.net.flow.instructions.ExtensionTreatmentType; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.packet.InboundPacket; |
| import org.onosproject.openstackinterface.OpenstackInterfaceService; |
| import org.onosproject.openstackinterface.OpenstackPort; |
| import org.onosproject.openstackinterface.OpenstackRouterInterface; |
| import org.onosproject.openstackinterface.OpenstackSubnet; |
| import org.onosproject.openstackinterface.OpenstackFloatingIP; |
| import org.onosproject.openstacknetworking.OpenstackNetworkingConfig; |
| import org.onosproject.openstacknetworking.OpenstackPortInfo; |
| import org.onosproject.openstacknetworking.OpenstackRoutingService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| import java.util.stream.StreamSupport; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.osgi.DefaultServiceDirectory.getService; |
| |
| /** |
| * Populates Routing Flow Rules. |
| */ |
| public class OpenstackRoutingRulePopulator { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private final ApplicationId appId; |
| private final FlowObjectiveService flowObjectiveService; |
| private final OpenstackInterfaceService openstackService; |
| private final DeviceService deviceService; |
| private final DriverService driverService; |
| private final OpenstackNetworkingConfig config; |
| |
| private static final String PORTNAME_PREFIX_TUNNEL = "vxlan"; |
| private static final String PORTNAME = "portName"; |
| private static final String PORTNAME_PREFIX_VM = "tap"; |
| |
| private static final String PORTNOTNULL = "Port can not be null"; |
| private static final String DEVICENOTNULL = "Device can not be null"; |
| private static final String TUNNEL_DESTINATION = "tunnelDst"; |
| private static final int ROUTING_RULE_PRIORITY = 25000; |
| private static final int FLOATING_RULE_PRIORITY = 42000; |
| private static final int PNAT_RULE_PRIORITY = 26000; |
| private static final int PNAT_TIMEOUT = 120; |
| private static final int PREFIX_LENGTH = 32; |
| private static final MacAddress GATEWAYMAC = MacAddress.valueOf("1f:1f:1f:1f:1f:1f"); |
| |
| private InboundPacket inboundPacket; |
| private OpenstackPort openstackPort; |
| private int portNum; |
| private MacAddress externalInterface; |
| private MacAddress externalRouter; |
| |
| /** |
| * The constructor of openstackRoutingRulePopulator. |
| * |
| * @param appId Caller`s appId |
| * @param openstackService Opestack REST request handler |
| * @param flowObjectiveService FlowObjectiveService |
| * @param deviceService DeviceService |
| * @param driverService DriverService |
| * @param config Configuration for openstack environment |
| */ |
| public OpenstackRoutingRulePopulator(ApplicationId appId, OpenstackInterfaceService openstackService, |
| FlowObjectiveService flowObjectiveService, DeviceService deviceService, |
| DriverService driverService, OpenstackNetworkingConfig config) { |
| this.appId = appId; |
| this.flowObjectiveService = flowObjectiveService; |
| this.openstackService = checkNotNull(openstackService); |
| this.deviceService = deviceService; |
| this.driverService = driverService; |
| this.config = config; |
| } |
| |
| /** |
| * Populates flow rules for Pnat configurations. |
| * |
| * @param inboundPacket Packet-in event packet |
| * @param openstackPort Target VM information |
| * @param portNum Pnat port number |
| * @param externalIp external ip address |
| * @param externalInterfaceMacAddress Gateway external interface macaddress |
| * @param externalRouterMacAddress Outer(physical) router`s macaddress |
| */ |
| public void populatePnatFlowRules(InboundPacket inboundPacket, OpenstackPort openstackPort, int portNum, |
| Ip4Address externalIp, MacAddress externalInterfaceMacAddress, |
| MacAddress externalRouterMacAddress) { |
| this.inboundPacket = inboundPacket; |
| this.openstackPort = openstackPort; |
| this.portNum = portNum; |
| this.externalInterface = externalInterfaceMacAddress; |
| this.externalRouter = externalRouterMacAddress; |
| |
| long vni = getVni(openstackPort.networkId()); |
| |
| populatePnatIncomingFlowRules(vni, externalIp); |
| populatePnatOutgoingFlowRules(vni, externalIp); |
| } |
| |
| private void populatePnatOutgoingFlowRules(long vni, Ip4Address externalIp) { |
| IPv4 iPacket = (IPv4) inboundPacket.parsed().getPayload(); |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPProtocol(iPacket.getProtocol()) |
| .matchTunnelId(vni) |
| .matchIPSrc(IpPrefix.valueOf(iPacket.getSourceAddress(), 32)) |
| .matchIPDst(IpPrefix.valueOf(iPacket.getDestinationAddress(), 32)); |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| tBuilder.setEthSrc(externalInterface) |
| .setEthDst(externalRouter) |
| .setIpSrc(externalIp); |
| |
| switch (iPacket.getProtocol()) { |
| case IPv4.PROTOCOL_TCP: |
| TCP tcpPacket = (TCP) iPacket.getPayload(); |
| sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getSourcePort())) |
| .matchTcpDst(TpPort.tpPort(tcpPacket.getDestinationPort())); |
| tBuilder.setTcpSrc(TpPort.tpPort(portNum)); |
| break; |
| case IPv4.PROTOCOL_UDP: |
| UDP udpPacket = (UDP) iPacket.getPayload(); |
| sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getSourcePort())) |
| .matchUdpDst(TpPort.tpPort(udpPacket.getDestinationPort())); |
| tBuilder.setUdpSrc(TpPort.tpPort(portNum)); |
| break; |
| default: |
| log.debug("Unsupported IPv4 protocol {}"); |
| break; |
| } |
| |
| Port port = checkNotNull(getPortOfExternalInterface(), PORTNOTNULL); |
| tBuilder.setOutput(port.number()); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PNAT_RULE_PRIORITY) |
| .makeTemporary(PNAT_TIMEOUT) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(inboundPacket.receivedFrom().deviceId(), fo); |
| |
| } |
| |
| private Port getPortOfExternalInterface() { |
| return deviceService.getPorts(getGatewayNode().id()).stream() |
| .filter(p -> p.annotations().value(PORTNAME).equals(config.gatewayExternalInterfaceName())) |
| .findAny().orElse(null); |
| } |
| |
| |
| private void populatePnatIncomingFlowRules(long vni, Ip4Address externalIp) { |
| IPv4 iPacket = (IPv4) inboundPacket.parsed().getPayload(); |
| DeviceId deviceId = inboundPacket.receivedFrom().deviceId(); |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPProtocol(iPacket.getProtocol()) |
| .matchIPDst(IpPrefix.valueOf(externalIp, 32)) |
| .matchIPSrc(IpPrefix.valueOf(iPacket.getDestinationAddress(), 32)); |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| tBuilder.setTunnelId(vni) |
| .setEthDst(inboundPacket.parsed().getSourceMAC()) |
| .setIpDst(IpAddress.valueOf(iPacket.getSourceAddress())); |
| |
| switch (iPacket.getProtocol()) { |
| case IPv4.PROTOCOL_TCP: |
| TCP tcpPacket = (TCP) iPacket.getPayload(); |
| sBuilder.matchTcpSrc(TpPort.tpPort(tcpPacket.getDestinationPort())) |
| .matchTcpDst(TpPort.tpPort(portNum)); |
| tBuilder.setTcpDst(TpPort.tpPort(tcpPacket.getSourcePort())); |
| break; |
| case IPv4.PROTOCOL_UDP: |
| UDP udpPacket = (UDP) iPacket.getPayload(); |
| sBuilder.matchUdpSrc(TpPort.tpPort(udpPacket.getDestinationPort())) |
| .matchUdpDst(TpPort.tpPort(portNum)); |
| tBuilder.setUdpDst(TpPort.tpPort(udpPacket.getSourcePort())); |
| break; |
| default: |
| break; |
| } |
| |
| tBuilder.extension(buildNiciraExtenstion(deviceId, getHostIpfromOpenstackPort(openstackPort)), deviceId) |
| .setOutput(getTunnelPort(deviceId)); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PNAT_RULE_PRIORITY) |
| .makeTemporary(PNAT_TIMEOUT) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(inboundPacket.receivedFrom().deviceId(), fo); |
| } |
| |
| private Ip4Address getHostIpfromOpenstackPort(OpenstackPort openstackPort) { |
| Device device = getDevicefromOpenstackPort(openstackPort); |
| return config.nodes().get(device.id()); |
| } |
| |
| private Device getDevicefromOpenstackPort(OpenstackPort openstackPort) { |
| String openstackPortName = PORTNAME_PREFIX_VM + openstackPort.id().substring(0, 11); |
| Device device = StreamSupport.stream(deviceService.getDevices().spliterator(), false) |
| .filter(d -> findPortinDevice(d, openstackPortName)) |
| .iterator() |
| .next(); |
| checkNotNull(device, DEVICENOTNULL); |
| return device; |
| } |
| |
| private boolean findPortinDevice(Device d, String openstackPortName) { |
| Port port = deviceService.getPorts(d.id()) |
| .stream() |
| .filter(p -> p.isEnabled() && p.annotations().value(PORTNAME).equals(openstackPortName)) |
| .findAny() |
| .orElse(null); |
| return port != null; |
| } |
| |
| /** |
| * Builds Nicira extension for tagging remoteIp of vxlan. |
| * |
| * @param id Device Id of vxlan source device |
| * @param hostIp Remote Ip of vxlan destination device |
| * @return NiciraExtension Treatment |
| */ |
| public ExtensionTreatment buildNiciraExtenstion(DeviceId id, Ip4Address hostIp) { |
| Driver driver = driverService.getDriver(id); |
| DriverHandler driverHandler = new DefaultDriverHandler(new DefaultDriverData(driver, id)); |
| ExtensionTreatmentResolver resolver = driverHandler.behaviour(ExtensionTreatmentResolver.class); |
| |
| ExtensionTreatment extensionInstruction = |
| resolver.getExtensionInstruction( |
| ExtensionTreatmentType.ExtensionTreatmentTypes.NICIRA_SET_TUNNEL_DST.type()); |
| |
| try { |
| extensionInstruction.setPropertyValue(TUNNEL_DESTINATION, hostIp); |
| } catch (ExtensionPropertyException e) { |
| log.error("Error setting Nicira extension setting {}", e); |
| } |
| |
| return extensionInstruction; |
| } |
| |
| /** |
| * Returns port number of vxlan tunnel. |
| * |
| * @param deviceId Target Device Id |
| * @return PortNumber |
| */ |
| public PortNumber getTunnelPort(DeviceId deviceId) { |
| Port port = deviceService.getPorts(deviceId).stream() |
| .filter(p -> p.annotations().value(PORTNAME).equals(PORTNAME_PREFIX_TUNNEL)) |
| .findAny().orElse(null); |
| |
| if (port == null) { |
| log.error("No TunnelPort was created."); |
| return null; |
| } |
| return port.number(); |
| |
| } |
| |
| /** |
| * Populates flow rules from openstackComputeNode to GatewayNode. |
| * |
| * @param vni Target network |
| */ |
| public void populateExternalRules(long vni) { |
| |
| // 1. computeNode to gateway |
| populateComputeNodeRules(vni); |
| // 2. gatewayNode to controller |
| populateRuleGatewaytoController(vni); |
| } |
| |
| private void populateRuleGatewaytoController(long vni) { |
| Device gatewayDevice = getGatewayNode(); |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(vni) |
| .matchEthDst(GATEWAYMAC); |
| tBuilder.setOutput(PortNumber.CONTROLLER); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(ROUTING_RULE_PRIORITY) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(gatewayDevice.id(), fo); |
| } |
| |
| private void populateComputeNodeRules(long vni) { |
| Device gatewayDevice = getGatewayNode(); |
| |
| StreamSupport.stream(deviceService.getDevices().spliterator(), false) |
| .filter(d -> !checkGatewayNode(d.id())) |
| .forEach(d -> populateRuleToGateway(d, gatewayDevice, vni)); |
| } |
| |
| private void populateRuleToGateway(Device d, Device gatewayDevice, long vni) { |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(vni) |
| .matchEthDst(GATEWAYMAC); |
| tBuilder.extension(buildNiciraExtenstion(d.id(), config.nodes().get(gatewayDevice.id())), d.id()) |
| .setOutput(getTunnelPort(d.id())); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(ForwardingObjective.Flag.SPECIFIC) |
| .withPriority(ROUTING_RULE_PRIORITY) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(d.id(), fo); |
| } |
| |
| private Device getGatewayNode() { |
| return checkNotNull(deviceService.getDevice(DeviceId.deviceId(config.gatewayBridgeId()))); |
| } |
| |
| private boolean checkGatewayNode(DeviceId deviceId) { |
| return deviceId.toString().equals(config.gatewayBridgeId()); |
| } |
| |
| private long getVni(String netId) { |
| return Long.parseLong(openstackService.network(netId).segmentId()); |
| } |
| |
| /** |
| * Remove flow rules for external connection. |
| * |
| * @param routerInterface Corresponding routerInterface |
| */ |
| public void removeExternalRules(OpenstackRouterInterface routerInterface) { |
| OpenstackSubnet openstackSubnet = openstackService.subnet(routerInterface.subnetId()); |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(getVni(openstackSubnet.networkId())) |
| .matchEthDst(GATEWAYMAC); |
| |
| StreamSupport.stream(deviceService.getDevices().spliterator(), false) |
| .forEach(d -> { |
| ForwardingObjective.Flag flag = checkGatewayNode(d.id()) ? |
| ForwardingObjective.Flag.VERSATILE : |
| ForwardingObjective.Flag.SPECIFIC; |
| removeRule(d.id(), sBuilder, flag, ROUTING_RULE_PRIORITY); |
| }); |
| |
| } |
| |
| private void removeRule(DeviceId id, TrafficSelector.Builder sBuilder, |
| ForwardingObjective.Flag flag, int priority) { |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(flag) |
| .withPriority(priority) |
| .fromApp(appId) |
| .remove(); |
| |
| flowObjectiveService.forward(id, fo); |
| } |
| |
| /** |
| * Populates flow rules for floatingIp configuration. |
| * |
| * @param floatingIP Corresponding floating ip information |
| */ |
| public void populateFloatingIpRules(OpenstackFloatingIP floatingIP) { |
| OpenstackPort port = openstackService.port(floatingIP.portId()); |
| //1. incoming rules |
| populateFloatingIpIncomingRules(floatingIP, port); |
| //2. outgoing rules |
| populateFloatingIpOutgoingRules(floatingIP, port); |
| } |
| |
| private void populateFloatingIpIncomingRules(OpenstackFloatingIP floatingIP, OpenstackPort port) { |
| DeviceId portDeviceId = getDevicefromOpenstackPort(port).id(); |
| Device gatewayNode = getGatewayNode(); |
| Device portNode = deviceService.getDevice(portDeviceId); |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf(floatingIP.floatingIpAddress(), PREFIX_LENGTH)); |
| |
| tBuilder.setEthSrc(GATEWAYMAC) |
| .setEthDst(port.macAddress()) |
| .setIpDst(floatingIP.fixedIpAddress()) |
| .setTunnelId(getVni(port.networkId())) |
| .extension(buildNiciraExtenstion(gatewayNode.id(), |
| config.nodes().get(portNode.id())), gatewayNode.id()) |
| .setOutput(getTunnelPort(gatewayNode.id())); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(FLOATING_RULE_PRIORITY) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(getGatewayNode().id(), fo); |
| |
| } |
| |
| private void populateFloatingIpOutgoingRules(OpenstackFloatingIP floatingIP, OpenstackPort port) { |
| Port outputPort = checkNotNull(getPortOfExternalInterface(), PORTNOTNULL); |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(getVni(port.networkId())) |
| .matchIPSrc(IpPrefix.valueOf(floatingIP.fixedIpAddress(), 32)); |
| |
| tBuilder.setIpSrc(floatingIP.floatingIpAddress()) |
| .setEthSrc(MacAddress.valueOf(config.gatewayExternalInterfaceMac())) |
| .setEthDst(MacAddress.valueOf(config.physicalRouterMac())) |
| .setOutput(outputPort.number()); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(FLOATING_RULE_PRIORITY) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(getGatewayNode().id(), fo); |
| } |
| |
| /** |
| * Removes flow rules for floating ip configuration. |
| * |
| * @param floatingIP Corresponding floating ip information |
| * @param portInfo stored information about deleted vm |
| */ |
| public void removeFloatingIpRules(OpenstackFloatingIP floatingIP, OpenstackPortInfo portInfo) { |
| TrafficSelector.Builder sOutgoingBuilder = DefaultTrafficSelector.builder(); |
| TrafficSelector.Builder sIncomingBuilder = DefaultTrafficSelector.builder(); |
| |
| sOutgoingBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(portInfo.vni()) |
| .matchIPSrc(IpPrefix.valueOf(portInfo.ip(), PREFIX_LENGTH)); |
| |
| sIncomingBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf(floatingIP.floatingIpAddress(), PREFIX_LENGTH)); |
| |
| removeRule(getGatewayNode().id(), sOutgoingBuilder, ForwardingObjective.Flag.VERSATILE, FLOATING_RULE_PRIORITY); |
| removeRule(getGatewayNode().id(), sIncomingBuilder, ForwardingObjective.Flag.VERSATILE, FLOATING_RULE_PRIORITY); |
| } |
| |
| /** |
| * Populates L3 rules for east to west traffic. |
| * |
| * @param p target VM |
| * @param targetList target openstackRouterInterfaces |
| */ |
| public void populateL3Rules(OpenstackPort p, List<OpenstackRouterInterface> targetList) { |
| Device device = getDevicefromOpenstackPort(p); |
| Port port = getPortFromOpenstackPort(device, p); |
| Ip4Address vmIp = (Ip4Address) p.fixedIps().values().iterator().next(); |
| |
| if (port == null) { |
| return; |
| } |
| |
| targetList.forEach(routerInterface -> { |
| OpenstackPort openstackPort = openstackService.port(routerInterface.portId()); |
| long vni = getVni(openstackPort.networkId()); |
| |
| if (vmIp == null) { |
| return; |
| } |
| |
| populateL3RulestoSameNode(vmIp, p, port, device, vni); |
| |
| deviceService.getAvailableDevices().forEach(d -> { |
| if (!d.equals(device) && !d.equals(getGatewayNode())) { |
| populateL3RulestoDifferentNode(vmIp, vni, d.id(), getHostIpfromOpenstackPort(p)); |
| } |
| }); |
| |
| }); |
| } |
| |
| private void populateL3RulestoDifferentNode(Ip4Address vmIp, long vni, DeviceId deviceId, Ip4Address hostIp) { |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(vni) |
| .matchIPDst(vmIp.toIpPrefix()); |
| tBuilder.extension(buildNiciraExtenstion(deviceId, hostIp), deviceId) |
| .setOutput(getTunnelPort(deviceId)); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withPriority(ROUTING_RULE_PRIORITY) |
| .withFlag(ForwardingObjective.Flag.SPECIFIC) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(deviceId, fo); |
| } |
| |
| private void populateL3RulestoSameNode(Ip4Address vmIp, OpenstackPort p, Port port, Device device, long vni) { |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(vmIp.toIpPrefix()) |
| .matchTunnelId(vni); |
| |
| tBuilder.setEthDst(p.macAddress()) |
| .setOutput(port.number()); |
| |
| ForwardingObjective fo = DefaultForwardingObjective.builder() |
| .withSelector(sBuilder.build()) |
| .withTreatment(tBuilder.build()) |
| .withPriority(ROUTING_RULE_PRIORITY) |
| .withFlag(ForwardingObjective.Flag.SPECIFIC) |
| .fromApp(appId) |
| .add(); |
| |
| flowObjectiveService.forward(device.id(), fo); |
| } |
| |
| private Port getPortFromOpenstackPort(Device device, OpenstackPort p) { |
| String openstackPortName = PORTNAME_PREFIX_VM + p.id().substring(0, 11); |
| return deviceService.getPorts(device.id()) |
| .stream() |
| .filter(pt -> pt.annotations().value(PORTNAME).equals(openstackPortName)) |
| .findAny() |
| .orElse(null); |
| } |
| |
| /** |
| * Removes L3 rules for routerInterface events. |
| * |
| * @param vmIp Corresponding Vm ip |
| * @param routerInterfaces Corresponding routerInterfaces |
| */ |
| public void removeL3Rules(Ip4Address vmIp, List<OpenstackRouterInterface> routerInterfaces) { |
| if (vmIp == null) { |
| return; |
| } |
| |
| OpenstackRoutingService routingService = getService(OpenstackRoutingService.class); |
| |
| deviceService.getAvailableDevices().forEach(d -> { |
| if (!d.equals(getGatewayNode())) { |
| routerInterfaces.forEach(routerInterface -> { |
| String networkId = routingService.networkIdForRouterInterface(routerInterface.portId()); |
| long vni = getVni(networkId); |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder(); |
| |
| sBuilder.matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(vmIp.toIpPrefix()) |
| .matchTunnelId(vni); |
| |
| removeRule(d.id(), sBuilder, ForwardingObjective.Flag.SPECIFIC, ROUTING_RULE_PRIORITY); |
| }); |
| } |
| }); |
| } |
| } |