| /* |
| * 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.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.mastership.MastershipService; |
| 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.InstancePort; |
| import org.onosproject.openstacknetworking.api.InstancePortEvent; |
| import org.onosproject.openstacknetworking.api.InstancePortListener; |
| import org.onosproject.openstacknetworking.api.InstancePortService; |
| import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| import org.onosproject.openstacknode.OpenstackNodeService; |
| import org.openstack4j.model.network.Network; |
| import org.slf4j.Logger; |
| |
| 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.COMPUTE; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| |
| /** |
| * Populates switching flow rules on OVS for the basic connectivity among the |
| * virtual instances in the same network. |
| */ |
| @Component(immediate = true) |
| public final class OpenstackSwitchingHandler { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String ERR_SET_FLOWS = "Failed to set flows for %s: "; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowObjectiveService flowObjectiveService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected InstancePortService instancePortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackNetworkService osNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackNodeService osNodeService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| private final InstancePortListener instancePortListener = new InternalInstancePortListener(); |
| private ApplicationId appId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID); |
| instancePortService.addListener(instancePortListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| instancePortService.removeListener(instancePortListener); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| private void setNetworkRules(InstancePort instPort, boolean install) { |
| setTunnelTagFlowRules(instPort, install); |
| setForwardingRules(instPort, install); |
| } |
| |
| private void setForwardingRules(InstancePort instPort, boolean install) { |
| // switching rules for the instPorts in the same node |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(instPort.ipAddress().toIpPrefix()) |
| .matchTunnelId(getVni(instPort)) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setEthDst(instPort.macAddress()) |
| .setOutput(instPort.portNumber()) |
| .build(); |
| |
| RulePopulatorUtil.setRule( |
| flowObjectiveService, |
| appId, |
| instPort.deviceId(), |
| selector, |
| treatment, |
| ForwardingObjective.Flag.SPECIFIC, |
| PRIORITY_SWITCHING_RULE, |
| install); |
| |
| // switching rules for the instPorts in the remote node |
| osNodeService.completeNodes().stream() |
| .filter(osNode -> osNode.type() == COMPUTE) |
| .filter(osNode -> !osNode.intBridge().equals(instPort.deviceId())) |
| .forEach(osNode -> { |
| TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder() |
| .extension(buildExtension( |
| deviceService, |
| osNode.intBridge(), |
| osNodeService.dataIp(instPort.deviceId()).get().getIp4Address()), |
| osNode.intBridge()) |
| .setOutput(osNodeService.tunnelPort(osNode.intBridge()).get()) |
| .build(); |
| |
| RulePopulatorUtil.setRule( |
| flowObjectiveService, |
| appId, |
| osNode.intBridge(), |
| selector, |
| treatmentToRemote, |
| ForwardingObjective.Flag.SPECIFIC, |
| PRIORITY_SWITCHING_RULE, |
| install); |
| }); |
| } |
| |
| private void setTunnelTagFlowRules(InstancePort instPort, boolean install) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchInPort(instPort.portNumber()) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setTunnelId(getVni(instPort)) |
| .build(); |
| |
| RulePopulatorUtil.setRule( |
| flowObjectiveService, |
| appId, |
| instPort.deviceId(), |
| selector, |
| treatment, |
| ForwardingObjective.Flag.SPECIFIC, |
| PRIORITY_TUNNEL_TAG_RULE, |
| install); |
| } |
| |
| private Long getVni(InstancePort instPort) { |
| Network osNet = osNetworkService.network(instPort.networkId()); |
| if (osNet == null || Strings.isNullOrEmpty(osNet.getProviderSegID())) { |
| final String error = String.format( |
| ERR_SET_FLOWS + "Failed to get VNI for %s", |
| instPort, osNet.getName()); |
| throw new IllegalStateException(error); |
| } |
| return Long.valueOf(osNet.getProviderSegID()); |
| } |
| |
| 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("Instance port detected MAC:{} IP:{}", |
| instPort.macAddress(), |
| instPort.ipAddress()); |
| instPortDetected(event.subject()); |
| }); |
| break; |
| case OPENSTACK_INSTANCE_PORT_VANISHED: |
| eventExecutor.execute(() -> { |
| log.info("Instance port vanished MAC:{} IP:{}", |
| instPort.macAddress(), |
| instPort.ipAddress()); |
| instPortRemoved(event.subject()); |
| }); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private void instPortDetected(InstancePort instPort) { |
| setNetworkRules(instPort, true); |
| // TODO add something else if needed |
| } |
| |
| private void instPortRemoved(InstancePort instPort) { |
| setNetworkRules(instPort, false); |
| // TODO add something else if needed |
| } |
| } |
| } |