| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.impl; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Modified; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.ICMP; |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.LeadershipService; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.core.GroupId; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceService; |
| 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.ExtensionTreatment; |
| import org.onosproject.openstacknetworking.api.Constants; |
| import org.onosproject.openstacknetworking.api.InstancePort; |
| import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| import org.onosproject.openstacknetworking.api.InstancePortListener; |
| import org.onosproject.openstacknetworking.api.InstancePortService; |
| import org.onosproject.openstacknetworking.api.OpenstackFlowRuleService; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
| import org.onosproject.openstacknode.api.OpenstackNode; |
| import org.onosproject.openstacknode.api.OpenstackNode.NetworkMode; |
| import org.onosproject.openstacknode.api.OpenstackNodeEvent; |
| import org.onosproject.openstacknode.api.OpenstackNodeListener; |
| import org.onosproject.openstacknode.api.OpenstackNodeService; |
| import org.openstack4j.model.network.ExternalGateway; |
| import org.openstack4j.model.network.Network; |
| import org.openstack4j.model.network.NetworkType; |
| import org.openstack4j.model.network.Router; |
| import org.openstack4j.model.network.RouterInterface; |
| import org.openstack4j.model.network.Subnet; |
| import org.osgi.service.component.ComponentContext; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Dictionary; |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.stream.Collectors; |
| |
| import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_EXTERNAL_ROUTER_MAC; |
| import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_GATEWAY_MAC; |
| import static org.onosproject.openstacknetworking.api.Constants.FORWARDING_TABLE; |
| import static org.onosproject.openstacknetworking.api.Constants.GW_COMMON_TABLE; |
| import static org.onosproject.openstacknetworking.api.Constants.OPENSTACK_NETWORKING_APP_ID; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_EXTERNAL_ROUTING_RULE; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_ICMP_RULE; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_INTERNAL_ROUTING_RULE; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_STATEFUL_SNAT_RULE; |
| import static org.onosproject.openstacknetworking.api.Constants.PRIORITY_SWITCHING_RULE; |
| import static org.onosproject.openstacknetworking.api.Constants.ROUTING_TABLE; |
| import static org.onosproject.openstacknetworking.impl.RulePopulatorUtil.buildExtension; |
| import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE; |
| import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY; |
| |
| /** |
| * Handles OpenStack router events. |
| */ |
| @Component(immediate = true) |
| public class OpenstackRoutingHandler { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String MSG_ENABLED = "Enabled "; |
| private static final String MSG_DISABLED = "Disabled "; |
| private static final String ERR_SET_FLOWS = "Failed to set flows for router %s:"; |
| private static final String ERR_UNSUPPORTED_NET_TYPE = "Unsupported network type"; |
| private static final boolean USE_STATEFUL_SNAT = false; |
| |
| @Property(name = "useStatefulSnat", boolValue = USE_STATEFUL_SNAT, |
| label = "Use Stateful SNAT for source NATing") |
| private boolean useStatefulSnat = USE_STATEFUL_SNAT; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackNodeService osNodeService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackNetworkService osNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackRouterService osRouterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected InstancePortService instancePortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackFlowRuleService osFlowRuleService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ComponentConfigService configService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadScheduledExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| private final OpenstackNodeListener osNodeListener = new InternalNodeEventListener(); |
| private final OpenstackRouterListener osRouterListener = new InternalRouterEventListener(); |
| private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| |
| private ApplicationId appId; |
| private NodeId localNodeId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| localNodeId = clusterService.getLocalNode().id(); |
| leadershipService.runForLeadership(appId.name()); |
| osNodeService.addListener(osNodeListener); |
| osRouterService.addListener(osRouterListener); |
| instancePortService.addListener(instancePortListener); |
| configService.registerProperties(getClass()); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| osRouterService.removeListener(osRouterListener); |
| osNodeService.removeListener(osNodeListener); |
| instancePortService.removeListener(instancePortListener); |
| leadershipService.withdraw(appId.name()); |
| configService.unregisterProperties(getClass(), false); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| protected void modified(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| Boolean flag; |
| |
| flag = Tools.isPropertyEnabled(properties, "useStatefulSnat"); |
| if (flag == null) { |
| log.info("useStatefulSnat is not configured, " + |
| "using current value of {}", useStatefulSnat); |
| } else { |
| useStatefulSnat = flag; |
| log.info("Configured. useStatefulSnat is {}", |
| useStatefulSnat ? "enabled" : "disabled"); |
| } |
| |
| resetSnatRules(); |
| } |
| |
| private void routerUpdated(Router osRouter) { |
| ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| if (exGateway == null) { |
| osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| setSourceNat(osRouter, iface, false); |
| }); |
| } else { |
| osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| setSourceNat(osRouter, iface, exGateway.isEnableSnat()); |
| }); |
| } |
| } |
| |
| private void routerIfaceAdded(Router osRouter, RouterInterface osRouterIface) { |
| Subnet osSubnet = osNetworkService.subnet(osRouterIface.getSubnetId()); |
| if (osSubnet == null) { |
| final String error = String.format( |
| ERR_SET_FLOWS + "subnet %s does not exist", |
| osRouterIface.getId(), |
| osRouterIface.getSubnetId()); |
| throw new IllegalStateException(error); |
| } |
| setInternalRoutes(osRouter, osSubnet, true); |
| setGatewayIcmp(osSubnet, true); |
| ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| if (exGateway != null && exGateway.isEnableSnat()) { |
| setSourceNat(osRouter, osRouterIface, true); |
| } |
| log.info("Connected subnet({}) to {}", osSubnet.getCidr(), osRouter.getName()); |
| } |
| |
| private void routerIfaceRemoved(Router osRouter, RouterInterface osRouterIface) { |
| Subnet osSubnet = osNetworkService.subnet(osRouterIface.getSubnetId()); |
| if (osSubnet == null) { |
| final String error = String.format( |
| ERR_SET_FLOWS + "subnet %s does not exist", |
| osRouterIface.getId(), |
| osRouterIface.getSubnetId()); |
| throw new IllegalStateException(error); |
| } |
| |
| setInternalRoutes(osRouter, osSubnet, false); |
| setGatewayIcmp(osSubnet, false); |
| ExternalGateway exGateway = osRouter.getExternalGatewayInfo(); |
| if (exGateway != null && exGateway.isEnableSnat()) { |
| setSourceNat(osRouter, osRouterIface, false); |
| } |
| log.info("Disconnected subnet({}) from {}", osSubnet.getCidr(), osRouter.getName()); |
| } |
| |
| private void setSourceNat(Router osRouter, RouterInterface routerIface, boolean install) { |
| Subnet osSubnet = osNetworkService.subnet(routerIface.getSubnetId()); |
| Network osNet = osNetworkService.network(osSubnet.getNetworkId()); |
| |
| osNodeService.completeNodes(COMPUTE).forEach(cNode -> { |
| setRulesToGateway(cNode, osNet.getProviderSegID(), |
| IpPrefix.valueOf(osSubnet.getCidr()), osNet.getNetworkType(), |
| install); |
| }); |
| |
| if (useStatefulSnat) { |
| setStatefulSnatRules(routerIface, install); |
| } else { |
| setReactiveSnatRules(routerIface, install); |
| } |
| |
| final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| log.info(updateStr + "external access for subnet({})", osSubnet.getCidr()); |
| } |
| |
| private void setStatefulSnatRules(RouterInterface routerIface, boolean install) { |
| Subnet osSubnet = osNetworkService.subnet(routerIface.getSubnetId()); |
| Network osNet = osNetworkService.network(osSubnet.getNetworkId()); |
| |
| Optional<Router> osRouter = osRouterService.routers().stream() |
| .filter(router -> osRouterService.routerInterfaces(routerIface.getId()) != null) |
| .findAny(); |
| |
| if (!osRouter.isPresent()) { |
| log.error("Cannot find a router for router interface {} ", routerIface); |
| return; |
| } |
| IpAddress natAddress = getGatewayIpAddress(osRouter.get()); |
| if (natAddress == null) { |
| return; |
| } |
| String netId = osNetworkService.subnet(routerIface.getSubnetId()).getNetworkId(); |
| |
| osNodeService.completeNodes(OpenstackNode.NodeType.GATEWAY) |
| .forEach(gwNode -> { |
| instancePortService.instancePorts(netId).stream() |
| .forEach(port -> setRulesForSnatIngressRule(gwNode.intgBridge(), |
| Long.parseLong(osNet.getProviderSegID()), |
| IpPrefix.valueOf(port.ipAddress(), 32), |
| port.deviceId(), |
| install)); |
| |
| setOvsNatIngressRule(gwNode.intgBridge(), |
| IpPrefix.valueOf(natAddress, 32), |
| Constants.DEFAULT_EXTERNAL_ROUTER_MAC, install); |
| setOvsNatEgressRule(gwNode.intgBridge(), |
| natAddress, Long.parseLong(osNet.getProviderSegID()), |
| gwNode.patchPortNum(), install); |
| }); |
| } |
| |
| private void setReactiveSnatRules(RouterInterface routerIface, boolean install) { |
| Subnet osSubnet = osNetworkService.subnet(routerIface.getSubnetId()); |
| Network osNet = osNetworkService.network(osSubnet.getNetworkId()); |
| |
| osNodeService.completeNodes(GATEWAY) |
| .forEach(gwNode -> setRulesToController( |
| gwNode.intgBridge(), |
| osNet.getProviderSegID(), |
| IpPrefix.valueOf(osSubnet.getCidr()), |
| osNet.getNetworkType(), |
| install)); |
| } |
| |
| private IpAddress getGatewayIpAddress(Router osRouter) { |
| |
| String extNetId = osNetworkService.network(osRouter.getExternalGatewayInfo().getNetworkId()).getId(); |
| Optional<Subnet> extSubnet = osNetworkService.subnets().stream() |
| .filter(subnet -> subnet.getNetworkId().equals(extNetId)) |
| .findAny(); |
| |
| if (!extSubnet.isPresent()) { |
| log.error("Cannot find externel subnet for the router"); |
| return null; |
| } |
| |
| return IpAddress.valueOf(extSubnet.get().getGateway()); |
| } |
| |
| private void resetSnatRules() { |
| if (useStatefulSnat) { |
| osRouterService.routerInterfaces().forEach( |
| routerIface -> { |
| setReactiveSnatRules(routerIface, false); |
| setStatefulSnatRules(routerIface, true); |
| } |
| ); |
| } else { |
| osRouterService.routerInterfaces().forEach( |
| routerIface -> { |
| setStatefulSnatRules(routerIface, false); |
| setReactiveSnatRules(routerIface, true); |
| } |
| ); |
| } |
| } |
| |
| private void setGatewayIcmp(Subnet osSubnet, boolean install) { |
| if (Strings.isNullOrEmpty(osSubnet.getGateway())) { |
| // do nothing if no gateway is set |
| return; |
| } |
| |
| // take ICMP request to a subnet gateway through gateway node group |
| Network network = osNetworkService.network(osSubnet.getNetworkId()); |
| switch (network.getNetworkType()) { |
| case VXLAN: |
| osNodeService.completeNodes(COMPUTE).stream() |
| .filter(cNode -> cNode.dataIp() != null) |
| .forEach(cNode -> setRulesToGatewayWithDstIp( |
| cNode, |
| cNode.gatewayGroupId(NetworkMode.VXLAN), |
| network.getProviderSegID(), |
| IpAddress.valueOf(osSubnet.getGateway()), |
| NetworkMode.VXLAN, |
| install)); |
| break; |
| case VLAN: |
| osNodeService.completeNodes(COMPUTE).stream() |
| .filter(cNode -> cNode.vlanPortNum() != null) |
| .forEach(cNode -> setRulesToGatewayWithDstIp( |
| cNode, |
| cNode.gatewayGroupId(NetworkMode.VLAN), |
| network.getProviderSegID(), |
| IpAddress.valueOf(osSubnet.getGateway()), |
| NetworkMode.VLAN, |
| install)); |
| break; |
| default: |
| final String error = String.format( |
| ERR_UNSUPPORTED_NET_TYPE + "%s", |
| network.getNetworkType().toString()); |
| throw new IllegalStateException(error); |
| } |
| |
| IpAddress gatewayIp = IpAddress.valueOf(osSubnet.getGateway()); |
| osNodeService.completeNodes(GATEWAY).forEach(gNode -> { |
| setGatewayIcmpRule( |
| gatewayIp, |
| gNode.intgBridge(), |
| install |
| ); |
| }); |
| |
| final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| log.debug(updateStr + "ICMP to {}", osSubnet.getGateway()); |
| } |
| |
| private void setInternalRoutes(Router osRouter, Subnet updatedSubnet, boolean install) { |
| Network updatedNetwork = osNetworkService.network(updatedSubnet.getNetworkId()); |
| Set<Subnet> routableSubnets = routableSubnets(osRouter, updatedSubnet.getId()); |
| String updatedSegmendId = getSegmentId(updatedSubnet); |
| |
| // installs rule from/to my subnet intentionally to fix ICMP failure |
| // to my subnet gateway if no external gateway added to the router |
| osNodeService.completeNodes(COMPUTE).forEach(cNode -> { |
| setInternalRouterRules( |
| cNode.intgBridge(), |
| updatedSegmendId, |
| updatedSegmendId, |
| IpPrefix.valueOf(updatedSubnet.getCidr()), |
| IpPrefix.valueOf(updatedSubnet.getCidr()), |
| updatedNetwork.getNetworkType(), |
| install |
| ); |
| |
| routableSubnets.forEach(subnet -> { |
| setInternalRouterRules( |
| cNode.intgBridge(), |
| updatedSegmendId, |
| getSegmentId(subnet), |
| IpPrefix.valueOf(updatedSubnet.getCidr()), |
| IpPrefix.valueOf(subnet.getCidr()), |
| updatedNetwork.getNetworkType(), |
| install |
| ); |
| setInternalRouterRules( |
| cNode.intgBridge(), |
| getSegmentId(subnet), |
| updatedSegmendId, |
| IpPrefix.valueOf(subnet.getCidr()), |
| IpPrefix.valueOf(updatedSubnet.getCidr()), |
| updatedNetwork.getNetworkType(), |
| install |
| ); |
| }); |
| }); |
| |
| |
| final String updateStr = install ? MSG_ENABLED : MSG_DISABLED; |
| routableSubnets.forEach(subnet -> log.debug( |
| updateStr + "route between subnet:{} and subnet:{}", |
| subnet.getCidr(), |
| updatedSubnet.getCidr())); |
| } |
| |
| private Set<Subnet> routableSubnets(Router osRouter, String osSubnetId) { |
| Set<Subnet> osSubnets = osRouterService.routerInterfaces(osRouter.getId()) |
| .stream() |
| .filter(iface -> !Objects.equals(iface.getSubnetId(), osSubnetId)) |
| .map(iface -> osNetworkService.subnet(iface.getSubnetId())) |
| .collect(Collectors.toSet()); |
| return ImmutableSet.copyOf(osSubnets); |
| } |
| |
| private String getSegmentId(Subnet osSubnet) { |
| return osNetworkService.network(osSubnet.getNetworkId()).getProviderSegID(); |
| } |
| |
| private void setGatewayIcmpRule(IpAddress gatewayIp, DeviceId deviceId, boolean install) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPProtocol(IPv4.PROTOCOL_ICMP) |
| .matchIPDst(gatewayIp.getIp4Address().toIpPrefix()) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setOutput(PortNumber.CONTROLLER) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_ICMP_RULE, |
| Constants.GW_COMMON_TABLE, |
| install); |
| } |
| |
| private void setInternalRouterRules(DeviceId deviceId, String srcSegmentId, String dstSegmentId, |
| IpPrefix srcSubnet, IpPrefix dstSubnet, |
| NetworkType networkType, boolean install) { |
| TrafficSelector selector; |
| TrafficTreatment treatment; |
| switch (networkType) { |
| case VXLAN: |
| selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(Long.parseLong(srcSegmentId)) |
| .matchIPSrc(srcSubnet.getIp4Prefix()) |
| .matchIPDst(dstSubnet.getIp4Prefix()) |
| .build(); |
| |
| treatment = DefaultTrafficTreatment.builder() |
| .setTunnelId(Long.parseLong(dstSegmentId)) |
| .transition(FORWARDING_TABLE) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_INTERNAL_ROUTING_RULE, |
| ROUTING_TABLE, |
| install); |
| |
| selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(Long.parseLong(dstSegmentId)) |
| .matchIPSrc(srcSubnet.getIp4Prefix()) |
| .matchIPDst(dstSubnet.getIp4Prefix()) |
| .build(); |
| |
| treatment = DefaultTrafficTreatment.builder() |
| .setTunnelId(Long.parseLong(dstSegmentId)) |
| .transition(FORWARDING_TABLE) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_INTERNAL_ROUTING_RULE, |
| ROUTING_TABLE, |
| install); |
| break; |
| case VLAN: |
| selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchVlanId(VlanId.vlanId(srcSegmentId)) |
| .matchIPSrc(srcSubnet.getIp4Prefix()) |
| .matchIPDst(dstSubnet.getIp4Prefix()) |
| .build(); |
| |
| treatment = DefaultTrafficTreatment.builder() |
| .setVlanId(VlanId.vlanId(dstSegmentId)) |
| .transition(FORWARDING_TABLE) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_INTERNAL_ROUTING_RULE, |
| ROUTING_TABLE, |
| install); |
| |
| selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchVlanId(VlanId.vlanId(dstSegmentId)) |
| .matchIPSrc(srcSubnet.getIp4Prefix()) |
| .matchIPDst(dstSubnet.getIp4Prefix()) |
| .build(); |
| |
| treatment = DefaultTrafficTreatment.builder() |
| .setVlanId(VlanId.vlanId(dstSegmentId)) |
| .transition(FORWARDING_TABLE) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_INTERNAL_ROUTING_RULE, |
| ROUTING_TABLE, |
| install); |
| break; |
| default: |
| final String error = String.format( |
| ERR_UNSUPPORTED_NET_TYPE + "%s", |
| networkType.toString()); |
| throw new IllegalStateException(error); |
| } |
| |
| } |
| |
| private void setRulesToGateway(OpenstackNode osNode, String segmentId, IpPrefix srcSubnet, |
| NetworkType networkType, boolean install) { |
| TrafficTreatment treatment; |
| GroupId groupId; |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPSrc(srcSubnet.getIp4Prefix()) |
| .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| |
| switch (networkType) { |
| case VXLAN: |
| sBuilder.matchTunnelId(Long.parseLong(segmentId)); |
| groupId = osNode.gatewayGroupId(NetworkMode.VXLAN); |
| break; |
| case VLAN: |
| sBuilder.matchVlanId(VlanId.vlanId(segmentId)); |
| groupId = osNode.gatewayGroupId(NetworkMode.VLAN); |
| break; |
| default: |
| final String error = String.format( |
| ERR_UNSUPPORTED_NET_TYPE + "%s", |
| networkType.toString()); |
| throw new IllegalStateException(error); |
| } |
| |
| treatment = DefaultTrafficTreatment.builder() |
| .group(groupId) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| osNode.intgBridge(), |
| sBuilder.build(), |
| treatment, |
| PRIORITY_EXTERNAL_ROUTING_RULE, |
| ROUTING_TABLE, |
| install); |
| } |
| |
| private void setRulesForSnatIngressRule(DeviceId deviceId, Long vni, IpPrefix destVmIp, |
| DeviceId dstDeviceId, boolean install) { |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(destVmIp) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setTunnelId(vni) |
| .extension(buildExtension( |
| deviceService, |
| deviceId, |
| osNodeService.node(dstDeviceId).dataIp().getIp4Address()), |
| deviceId) |
| .setOutput(osNodeService.node(deviceId).tunnelPortNum()) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_EXTERNAL_ROUTING_RULE, |
| Constants.GW_COMMON_TABLE, |
| install); |
| } |
| |
| private void setRulesToGatewayWithDstIp(OpenstackNode osNode, GroupId groupId, |
| String segmentId, IpAddress dstIp, |
| NetworkMode networkMode, boolean install) { |
| TrafficSelector selector; |
| if (networkMode.equals(NetworkMode.VXLAN)) { |
| selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(Long.valueOf(segmentId)) |
| .matchIPDst(dstIp.getIp4Address().toIpPrefix()) |
| .build(); |
| } else { |
| selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchVlanId(VlanId.vlanId(segmentId)) |
| .matchIPDst(dstIp.getIp4Address().toIpPrefix()) |
| .build(); |
| } |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .group(groupId) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| osNode.intgBridge(), |
| selector, |
| treatment, |
| PRIORITY_SWITCHING_RULE, |
| ROUTING_TABLE, |
| install); |
| } |
| |
| private void setOvsNatIngressRule(DeviceId deviceId, IpPrefix cidr, MacAddress dstMac, boolean install) { |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(cidr) |
| .build(); |
| |
| ExtensionTreatment natTreatment = RulePopulatorUtil.niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| .commit(false) |
| .natAction(true) |
| .table((short) 0) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setEthDst(dstMac) |
| .extension(natTreatment, deviceId) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_STATEFUL_SNAT_RULE, |
| GW_COMMON_TABLE, |
| install); |
| } |
| |
| private void setOvsNatEgressRule(DeviceId deviceId, IpAddress natAddress, long vni, PortNumber output, |
| boolean install) { |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchEthDst(DEFAULT_GATEWAY_MAC) |
| .matchTunnelId(vni) |
| .build(); |
| |
| ExtensionTreatment natTreatment = RulePopulatorUtil.niciraConnTrackTreatmentBuilder(driverService, deviceId) |
| .commit(true) |
| .natAction(true) |
| .natIp(natAddress) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .extension(natTreatment, deviceId) |
| .setEthDst(DEFAULT_EXTERNAL_ROUTER_MAC) |
| .setEthSrc(DEFAULT_GATEWAY_MAC) |
| .setOutput(output) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_STATEFUL_SNAT_RULE, |
| GW_COMMON_TABLE, |
| install); |
| } |
| |
| private void setRulesToController(DeviceId deviceId, String segmentId, IpPrefix srcSubnet, |
| NetworkType networkType, boolean install) { |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPSrc(srcSubnet); |
| |
| switch (networkType) { |
| case VXLAN: |
| sBuilder.matchTunnelId(Long.parseLong(segmentId)) |
| .matchEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| break; |
| case VLAN: |
| sBuilder.matchVlanId(VlanId.vlanId(segmentId)) |
| .matchEthDst(osNodeService.node(deviceId).vlanPortMac()); |
| break; |
| default: |
| final String error = String.format( |
| ERR_UNSUPPORTED_NET_TYPE + "%s", |
| networkType.toString()); |
| throw new IllegalStateException(error); |
| } |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| .setEthDst(Constants.DEFAULT_GATEWAY_MAC); |
| |
| if (networkType.equals(NetworkType.VLAN)) { |
| tBuilder.popVlan(); |
| } |
| |
| tBuilder.setOutput(PortNumber.CONTROLLER); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| sBuilder.build(), |
| tBuilder.build(), |
| PRIORITY_EXTERNAL_ROUTING_RULE, |
| GW_COMMON_TABLE, |
| install); |
| |
| |
| // Sends ICMP response to controller for SNATing ingress traffic |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPProtocol(IPv4.PROTOCOL_ICMP) |
| .matchIcmpType(ICMP.TYPE_ECHO_REPLY) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setOutput(PortNumber.CONTROLLER) |
| .build(); |
| |
| osFlowRuleService.setRule( |
| appId, |
| deviceId, |
| selector, |
| treatment, |
| PRIORITY_INTERNAL_ROUTING_RULE, |
| GW_COMMON_TABLE, |
| install); |
| } |
| |
| private class InternalRouterEventListener implements OpenstackRouterListener { |
| |
| @Override |
| public boolean isRelevant(OpenstackRouterEvent event) { |
| // do not allow to proceed without leadership |
| NodeId leader = leadershipService.getLeader(appId.name()); |
| return Objects.equals(localNodeId, leader); |
| } |
| |
| // FIXME only one leader in the cluster should process |
| @Override |
| public void event(OpenstackRouterEvent event) { |
| switch (event.type()) { |
| case OPENSTACK_ROUTER_CREATED: |
| log.debug("Router(name:{}, ID:{}) is created", |
| event.subject().getName(), |
| event.subject().getId()); |
| eventExecutor.execute(() -> routerUpdated(event.subject())); |
| break; |
| case OPENSTACK_ROUTER_UPDATED: |
| log.debug("Router(name:{}, ID:{}) is updated", |
| event.subject().getName(), |
| event.subject().getId()); |
| eventExecutor.execute(() -> routerUpdated(event.subject())); |
| break; |
| case OPENSTACK_ROUTER_REMOVED: |
| log.debug("Router(name:{}, ID:{}) is removed", |
| event.subject().getName(), |
| event.subject().getId()); |
| break; |
| case OPENSTACK_ROUTER_INTERFACE_ADDED: |
| log.debug("Router interface {} added to router {}", |
| event.routerIface().getPortId(), |
| event.routerIface().getId()); |
| eventExecutor.execute(() -> routerIfaceAdded( |
| event.subject(), |
| event.routerIface())); |
| break; |
| case OPENSTACK_ROUTER_INTERFACE_UPDATED: |
| log.debug("Router interface {} on {} updated", |
| event.routerIface().getPortId(), |
| event.routerIface().getId()); |
| break; |
| case OPENSTACK_ROUTER_INTERFACE_REMOVED: |
| log.debug("Router interface {} removed from router {}", |
| event.routerIface().getPortId(), |
| event.routerIface().getId()); |
| eventExecutor.execute(() -> routerIfaceRemoved( |
| event.subject(), |
| event.routerIface())); |
| break; |
| case OPENSTACK_ROUTER_GATEWAY_ADDED: |
| case OPENSTACK_ROUTER_GATEWAY_REMOVED: |
| case OPENSTACK_FLOATING_IP_CREATED: |
| case OPENSTACK_FLOATING_IP_UPDATED: |
| case OPENSTACK_FLOATING_IP_REMOVED: |
| case OPENSTACK_FLOATING_IP_ASSOCIATED: |
| case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
| default: |
| // do nothing for the other events |
| break; |
| } |
| } |
| } |
| |
| private class InternalNodeEventListener implements OpenstackNodeListener { |
| |
| @Override |
| public boolean isRelevant(OpenstackNodeEvent event) { |
| // do not allow to proceed without leadership |
| NodeId leader = leadershipService.getLeader(appId.name()); |
| return Objects.equals(localNodeId, leader); |
| } |
| |
| @Override |
| public void event(OpenstackNodeEvent event) { |
| OpenstackNode osNode = event.subject(); |
| |
| switch (event.type()) { |
| case OPENSTACK_NODE_COMPLETE: |
| case OPENSTACK_NODE_INCOMPLETE: |
| eventExecutor.execute(() -> { |
| log.info("Reconfigure routers for {}", osNode.hostname()); |
| reconfigureRouters(); |
| }); |
| break; |
| case OPENSTACK_NODE_CREATED: |
| case OPENSTACK_NODE_UPDATED: |
| case OPENSTACK_NODE_REMOVED: |
| default: |
| break; |
| } |
| } |
| |
| private void reconfigureRouters() { |
| osRouterService.routers().forEach(osRouter -> { |
| routerUpdated(osRouter); |
| osRouterService.routerInterfaces(osRouter.getId()).forEach(iface -> { |
| routerIfaceAdded(osRouter, iface); |
| }); |
| }); |
| } |
| } |
| |
| private class InternalInstancePortListener implements InstancePortListener { |
| |
| @Override |
| public boolean isRelevant(InstancePortEvent event) { |
| InstancePort instPort = event.subject(); |
| return mastershipService.isLocalMaster(instPort.deviceId()); |
| } |
| |
| @Override |
| public void event(InstancePortEvent event) { |
| InstancePort instPort = event.subject(); |
| switch (event.type()) { |
| case OPENSTACK_INSTANCE_PORT_UPDATED: |
| case OPENSTACK_INSTANCE_PORT_DETECTED: |
| eventExecutor.execute(() -> { |
| log.info("RoutingHandler: Instance port detected MAC:{} IP:{}", |
| instPort.macAddress(), |
| instPort.ipAddress()); |
| instPortDetected(event.subject()); |
| }); |
| break; |
| case OPENSTACK_INSTANCE_PORT_VANISHED: |
| eventExecutor.execute(() -> { |
| log.info("RoutingHandler: Instance port vanished MAC:{} IP:{}", |
| instPort.macAddress(), |
| instPort.ipAddress()); |
| instPortRemoved(event.subject()); |
| }); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private void instPortDetected(InstancePort instPort) { |
| osNodeService.completeNodes(GATEWAY) |
| .forEach(gwNode -> setRulesForSnatIngressRule(gwNode.intgBridge(), |
| Long.parseLong(osNetworkService.network(instPort.networkId()).getProviderSegID()), |
| IpPrefix.valueOf(instPort.ipAddress(), 32), |
| instPort.deviceId(), |
| true)); |
| } |
| |
| private void instPortRemoved(InstancePort instPort) { |
| osNodeService.completeNodes(GATEWAY) |
| .forEach(gwNode -> setRulesForSnatIngressRule(gwNode.intgBridge(), |
| Long.parseLong(osNetworkService.network(instPort.networkId()).getProviderSegID()), |
| IpPrefix.valueOf(instPort.ipAddress(), 32), |
| instPort.deviceId(), |
| false)); |
| } |
| } |
| } |