| /* |
| * Copyright 2021-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.kubevirtnetworking.impl; |
| |
| 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.kubevirtnetworking.api.KubevirtFlowRuleService; |
| import org.onosproject.kubevirtnode.api.KubevirtNode; |
| import org.onosproject.kubevirtnode.api.KubevirtNodeEvent; |
| import org.onosproject.kubevirtnode.api.KubevirtNodeListener; |
| import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| 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.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.stream.Collectors; |
| |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.kubevirtnetworking.api.Constants.ACL_INGRESS_TABLE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.ARP_TABLE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.structurePortName; |
| import static org.onosproject.kubevirtnode.api.Constants.INTEGRATION_TO_PHYSICAL_PREFIX; |
| import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Populates switching flow rules on OVS for the provider network (underlay). |
| */ |
| @Component(immediate = true) |
| public class KubevirtSwitchingPhysicalHandler { |
| private final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected MastershipService mastershipService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DriverService driverService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtFlowRuleService flowRuleService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtNodeService kubevirtNodeService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| private final InternalDeviceListener internalDeviceListener = new InternalDeviceListener(); |
| private final InternalKubevirtNodeListener kubevirtNodeListener = new InternalKubevirtNodeListener(); |
| private ApplicationId appId; |
| private NodeId localNodeId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| localNodeId = clusterService.getLocalNode().id(); |
| deviceService.addListener(internalDeviceListener); |
| kubevirtNodeService.addListener(kubevirtNodeListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| eventExecutor.shutdown(); |
| deviceService.removeListener(internalDeviceListener); |
| kubevirtNodeService.removeListener(kubevirtNodeListener); |
| log.info("Stopped"); |
| } |
| |
| private boolean containsPhyPatchPort(KubevirtNode node, Port port) { |
| Set<String> intPatchPorts = node.phyIntfs().stream() |
| .map(pi -> structurePortName(INTEGRATION_TO_PHYSICAL_PREFIX |
| + pi.network())).collect(Collectors.toSet()); |
| String portName = port.annotations().value(PORT_NAME); |
| return intPatchPorts.contains(portName); |
| } |
| |
| private void setIngressRuleForPatchPort(DeviceId deviceId, |
| PortNumber portNumber, |
| boolean install) { |
| TrafficSelector.Builder selector = DefaultTrafficSelector.builder() |
| .matchInPort(portNumber); |
| |
| TrafficTreatment.Builder treatment = DefaultTrafficTreatment.builder() |
| .transition(ACL_INGRESS_TABLE); |
| |
| flowRuleService.setRule( |
| appId, |
| deviceId, |
| selector.build(), |
| treatment.build(), |
| PRIORITY_FORWARDING_RULE, |
| ARP_TABLE, |
| install); |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| |
| @Override |
| public boolean isRelevant(DeviceEvent event) { |
| Port port = event.port(); |
| if (port == null) { |
| return false; |
| } |
| |
| KubevirtNode node = kubevirtNodeService.node(event.subject().id()); |
| if (node == null) { |
| return false; |
| } |
| |
| return containsPhyPatchPort(node, port); |
| } |
| |
| private boolean isRelevantHelper(DeviceEvent event) { |
| return mastershipService.isLocalMaster(event.subject().id()); |
| } |
| |
| @Override |
| public void event(DeviceEvent event) { |
| log.info("Device event occurred with type {}", event.type()); |
| |
| switch (event.type()) { |
| case PORT_ADDED: |
| case PORT_UPDATED: |
| eventExecutor.execute(() -> processPortAddition(event)); |
| break; |
| case PORT_REMOVED: |
| eventExecutor.execute(() -> processPortRemoval(event)); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| private void processPortAddition(DeviceEvent event) { |
| if (!isRelevantHelper(event)) { |
| return; |
| } |
| setIngressRuleForPatchPort(event.subject().id(), |
| event.port().number(), true); |
| } |
| private void processPortRemoval(DeviceEvent event) { |
| if (!isRelevantHelper(event)) { |
| return; |
| } |
| setIngressRuleForPatchPort(event.subject().id(), |
| event.port().number(), false); |
| } |
| } |
| |
| private class InternalKubevirtNodeListener implements KubevirtNodeListener { |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(KubevirtNodeEvent event) { |
| switch (event.type()) { |
| case KUBEVIRT_NODE_COMPLETE: |
| eventExecutor.execute(() -> processNodeCompletion(event.subject())); |
| break; |
| case KUBEVIRT_NODE_INCOMPLETE: |
| default: |
| // do nothing |
| break; |
| } |
| } |
| |
| private void processNodeCompletion(KubevirtNode node) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| deviceService.getPorts(node.intgBridge()).forEach(p -> { |
| if (containsPhyPatchPort(node, p)) { |
| setIngressRuleForPatchPort(node.intgBridge(), p.number(), true); |
| } |
| }); |
| } |
| } |
| } |