| /* |
| * 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.impl; |
| |
| import com.google.common.base.Strings; |
| 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.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| 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.net.PortNumber; |
| import org.onosproject.net.device.DeviceService; |
| 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.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.openstacknetworking.api.Constants; |
| import org.onosproject.openstacknetworking.api.InstancePort; |
| import org.onosproject.openstacknetworking.api.InstancePortService; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterEvent; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterListener; |
| import org.onosproject.openstacknetworking.api.OpenstackRouterService; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| import org.onosproject.openstacknode.OpenstackNode; |
| import org.onosproject.openstacknode.OpenstackNodeEvent; |
| import org.onosproject.openstacknode.OpenstackNodeListener; |
| import org.onosproject.openstacknode.OpenstackNodeService; |
| import org.openstack4j.model.network.NetFloatingIP; |
| import org.openstack4j.model.network.Network; |
| import org.openstack4j.model.network.Port; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.Objects; |
| import java.util.Optional; |
| import java.util.concurrent.ExecutorService; |
| |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.openstacknetworking.api.Constants.*; |
| import static org.onosproject.openstacknetworking.impl.RulePopulatorUtil.buildExtension; |
| import static org.onosproject.openstacknode.OpenstackNodeService.NodeType.GATEWAY; |
| |
| /** |
| * Handles OpenStack floating IP events. |
| */ |
| @Component(immediate = true) |
| public class OpenstackRoutingFloatingIpHandler { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String ERR_FLOW = "Failed set flows for floating IP %s: "; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowObjectiveService flowObjectiveService; |
| |
| @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 InstancePortService instancePortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackRouterService osRouterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackNetworkService osNetworkService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| private final OpenstackRouterListener floatingIpLisener = new InternalFloatingIpLisener(); |
| private final OpenstackNodeListener osNodeListener = new InternalNodeListener(); |
| |
| 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()); |
| osRouterService.addListener(floatingIpLisener); |
| osNodeService.addListener(osNodeListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| osNodeService.removeListener(osNodeListener); |
| osRouterService.removeListener(floatingIpLisener); |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| private void floatingIpUpdated(NetFloatingIP floatingIp, String portId) { |
| Port osPort = osNetworkService.port(portId); |
| if (osPort == null) { |
| final String error = String.format(ERR_FLOW + "no port(%s) exists", |
| floatingIp.getFloatingIpAddress(), |
| floatingIp.getPortId()); |
| throw new IllegalStateException(error); |
| } |
| |
| if (Strings.isNullOrEmpty(floatingIp.getPortId())) { |
| setFloatingIpRules(floatingIp, osPort, false); |
| log.info("Disassociated floating IP:{} from fixed IP:{}", |
| floatingIp.getFloatingIpAddress(), |
| osPort.getFixedIps()); |
| } else { |
| setFloatingIpRules(floatingIp, osPort, true); |
| log.info("Associated floating IP:{} to fixed IP:{}", |
| floatingIp.getFloatingIpAddress(), |
| floatingIp.getFixedIpAddress()); |
| } |
| } |
| |
| private void setFloatingIpRules(NetFloatingIP floatingIp, Port osPort, |
| boolean install) { |
| Network osNet = osNetworkService.network(osPort.getNetworkId()); |
| if (osNet == null) { |
| final String error = String.format(ERR_FLOW + "no network(%s) exists", |
| floatingIp.getFloatingIpAddress(), |
| osPort.getNetworkId()); |
| throw new IllegalStateException(error); |
| } |
| |
| MacAddress srcMac = MacAddress.valueOf(osPort.getMacAddress()); |
| InstancePort instPort = instancePortService.instancePort(srcMac); |
| if (instPort == null) { |
| final String error = String.format(ERR_FLOW + "no host(MAC:%s) found", |
| floatingIp.getFloatingIpAddress(), srcMac); |
| throw new IllegalStateException(error); |
| } |
| |
| setDownstreamRules(floatingIp, osNet, instPort, install); |
| setUpstreamRules(floatingIp, osNet, instPort, install); |
| } |
| |
| private void setDownstreamRules(NetFloatingIP floatingIp, Network osNet, |
| InstancePort instPort, boolean install) { |
| Optional<IpAddress> dataIp = osNodeService.dataIp(instPort.deviceId()); |
| if (!dataIp.isPresent()) { |
| log.warn(ERR_FLOW + "compute node {} is not ready", |
| floatingIp, instPort.deviceId()); |
| return; |
| } |
| |
| IpAddress floating = IpAddress.valueOf(floatingIp.getFloatingIpAddress()); |
| TrafficSelector externalSelector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(floating.toIpPrefix()) |
| .build(); |
| |
| osNodeService.gatewayDeviceIds().forEach(gnodeId -> { |
| TrafficTreatment externalTreatment = DefaultTrafficTreatment.builder() |
| .setEthSrc(Constants.DEFAULT_GATEWAY_MAC) |
| .setEthDst(instPort.macAddress()) |
| .setIpDst(instPort.ipAddress().getIp4Address()) |
| .setTunnelId(Long.valueOf(osNet.getProviderSegID())) |
| .extension(buildExtension( |
| deviceService, |
| gnodeId, |
| dataIp.get().getIp4Address()), |
| gnodeId) |
| .setOutput(osNodeService.tunnelPort(gnodeId).get()) |
| .build(); |
| |
| RulePopulatorUtil.setRule( |
| flowObjectiveService, |
| appId, |
| gnodeId, |
| externalSelector, |
| externalTreatment, |
| ForwardingObjective.Flag.VERSATILE, |
| PRIORITY_FLOATING_EXTERNAL, |
| install); |
| |
| // access from one VM to the other via floating IP |
| TrafficSelector internalSelector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(floating.toIpPrefix()) |
| .matchInPort(osNodeService.tunnelPort(gnodeId).get()) |
| .build(); |
| |
| TrafficTreatment internalTreatment = DefaultTrafficTreatment.builder() |
| .setEthSrc(Constants.DEFAULT_GATEWAY_MAC) |
| .setEthDst(instPort.macAddress()) |
| .setIpDst(instPort.ipAddress().getIp4Address()) |
| .setTunnelId(Long.valueOf(osNet.getProviderSegID())) |
| .extension(buildExtension( |
| deviceService, |
| gnodeId, |
| dataIp.get().getIp4Address()), |
| gnodeId) |
| .setOutput(PortNumber.IN_PORT) |
| .build(); |
| |
| RulePopulatorUtil.setRule( |
| flowObjectiveService, |
| appId, |
| gnodeId, |
| internalSelector, |
| internalTreatment, |
| ForwardingObjective.Flag.VERSATILE, |
| PRIORITY_FLOATING_INTERNAL, |
| install); |
| }); |
| } |
| |
| private void setUpstreamRules(NetFloatingIP floatingIp, Network osNet, |
| InstancePort instPort, boolean install) { |
| IpAddress floating = IpAddress.valueOf(floatingIp.getFloatingIpAddress()); |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchTunnelId(Long.valueOf(osNet.getProviderSegID())) |
| .matchIPSrc(instPort.ipAddress().toIpPrefix()) |
| .build(); |
| |
| osNodeService.gatewayDeviceIds().forEach(gnodeId -> { |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setIpSrc(floating.getIp4Address()) |
| .setEthSrc(Constants.DEFAULT_GATEWAY_MAC) |
| .setEthDst(Constants.DEFAULT_EXTERNAL_ROUTER_MAC) |
| .setOutput(osNodeService.externalPort(gnodeId).get()) |
| .build(); |
| |
| RulePopulatorUtil.setRule( |
| flowObjectiveService, |
| appId, |
| gnodeId, |
| selector, |
| treatment, |
| ForwardingObjective.Flag.VERSATILE, |
| PRIORITY_FLOATING_EXTERNAL, |
| install); |
| }); |
| } |
| |
| private class InternalFloatingIpLisener implements OpenstackRouterListener { |
| |
| @Override |
| public boolean isRelevant(OpenstackRouterEvent event) { |
| // do not allow to proceed without leadership |
| NodeId leader = leadershipService.getLeader(appId.name()); |
| if (!Objects.equals(localNodeId, leader)) { |
| return false; |
| } |
| return event.floatingIp() != null; |
| } |
| |
| @Override |
| public void event(OpenstackRouterEvent event) { |
| switch (event.type()) { |
| case OPENSTACK_FLOATING_IP_ASSOCIATED: |
| case OPENSTACK_FLOATING_IP_DISASSOCIATED: |
| eventExecutor.execute(() -> { |
| NetFloatingIP fip = event.floatingIp(); |
| log.debug("Floating IP {} is updated", fip.getFloatingIpAddress()); |
| floatingIpUpdated(fip, event.portId()); |
| }); |
| break; |
| case OPENSTACK_FLOATING_IP_CREATED: |
| log.debug("Floating IP {} is created", |
| event.floatingIp().getFloatingIpAddress()); |
| break; |
| case OPENSTACK_FLOATING_IP_UPDATED: |
| log.debug("Floating IP {} is updated", |
| event.floatingIp().getFloatingIpAddress()); |
| break; |
| case OPENSTACK_FLOATING_IP_REMOVED: |
| log.debug("Floating IP {} is removed", |
| event.floatingIp().getFloatingIpAddress()); |
| break; |
| case OPENSTACK_ROUTER_CREATED: |
| case OPENSTACK_ROUTER_UPDATED: |
| case OPENSTACK_ROUTER_REMOVED: |
| case OPENSTACK_ROUTER_INTERFACE_ADDED: |
| case OPENSTACK_ROUTER_INTERFACE_UPDATED: |
| case OPENSTACK_ROUTER_INTERFACE_REMOVED: |
| default: |
| // do nothing for the other events |
| break; |
| } |
| } |
| } |
| |
| private class InternalNodeListener implements OpenstackNodeListener { |
| |
| @Override |
| public boolean isRelevant(OpenstackNodeEvent event) { |
| // do not allow to proceed without leadership |
| NodeId leader = leadershipService.getLeader(appId.name()); |
| if (!Objects.equals(localNodeId, leader)) { |
| return false; |
| } |
| return event.subject().type() == GATEWAY; |
| } |
| |
| @Override |
| public void event(OpenstackNodeEvent event) { |
| OpenstackNode osNode = event.subject(); |
| |
| switch (event.type()) { |
| case COMPLETE: |
| eventExecutor.execute(() -> { |
| log.info("GATEWAY node {} detected", osNode.hostname()); |
| osRouterService.floatingIps().stream() |
| .filter(fip -> !Strings.isNullOrEmpty(fip.getPortId())) |
| .forEach(fip -> { |
| floatingIpUpdated(fip, fip.getPortId()); |
| }); |
| }); |
| break; |
| case INIT: |
| case DEVICE_CREATED: |
| case INCOMPLETE: |
| default: |
| break; |
| } |
| } |
| } |
| } |