| /* |
| * 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 io.fabric8.kubernetes.api.model.Pod; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpPrefix; |
| 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.kubevirtnetworking.api.KubevirtNetwork; |
| import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPodEvent; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPodListener; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPodService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPortService; |
| 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.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.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.concurrent.ExecutorService; |
| |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_TUNNEL_RULE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.FLAT; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getPort; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelToTenantPort; |
| import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
| import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.MASTER; |
| import static org.onosproject.kubevirtnode.api.KubevirtNode.Type.WORKER; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Populates switching flow rules on OVS for the tenant network (overlay). |
| */ |
| @Component(immediate = true) |
| public class KubevirtSwitchingTenantHandler { |
| 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; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtNetworkService kubevirtNetworkService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtPortService kubevirtPortService; |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtPodService kubevirtPodService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| |
| private final InternalKubevirtPodListener kubevirtPodListener = |
| new InternalKubevirtPodListener(); |
| 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(); |
| leadershipService.runForLeadership(appId.name()); |
| kubevirtPodService.addListener(kubevirtPodListener); |
| kubevirtNodeService.addListener(kubevirtNodeListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| kubevirtPodService.removeListener(kubevirtPodListener); |
| kubevirtNodeService.removeListener(kubevirtNodeListener); |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| private KubevirtPort getPortByPod(Pod pod) { |
| return getPort(kubevirtNetworkService.networks(), pod); |
| } |
| |
| private void setIngressRules(Pod pod, boolean install) { |
| KubevirtPort port = getPortByPod(pod); |
| |
| if (port == null) { |
| return; |
| } |
| |
| if (port.ipAddress() == null) { |
| return; |
| } |
| |
| KubevirtNetwork network = kubevirtNetworkService.network(port.networkId()); |
| |
| if (network == null) { |
| return; |
| } |
| |
| // TODO: need to handle VLAN case |
| if (network.type() == FLAT) { |
| return; |
| } |
| |
| if (network.segmentId() == null) { |
| return; |
| } |
| |
| KubevirtNode localNode = kubevirtNodeService.node(pod.getSpec().getNodeName()); |
| if (localNode == null || localNode.type() == MASTER) { |
| return; |
| } |
| |
| PortNumber patchPortNumber = tunnelToTenantPort(localNode, network); |
| if (patchPortNumber == null) { |
| return; |
| } |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| .matchTunnelId(Long.parseLong(network.segmentId())); |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| .setOutput(patchPortNumber); |
| |
| flowRuleService.setRule( |
| appId, |
| localNode.tunBridge(), |
| sBuilder.build(), |
| tBuilder.build(), |
| PRIORITY_TUNNEL_RULE, |
| TUNNEL_DEFAULT_TABLE, |
| install); |
| |
| log.debug("Install ingress rules for instance {}, segment ID {}", |
| port.ipAddress(), network.segmentId()); |
| } |
| |
| private void setEgressRules(Pod pod, boolean install) { |
| KubevirtNode localNode = kubevirtNodeService.node(pod.getSpec().getNodeName()); |
| |
| if (localNode == null) { |
| return; |
| } |
| |
| if (localNode.type() == MASTER) { |
| return; |
| } |
| |
| KubevirtPort port = getPortByPod(pod); |
| |
| if (port == null) { |
| return; |
| } |
| |
| if (port.ipAddress() == null) { |
| return; |
| } |
| |
| KubevirtNetwork network = kubevirtNetworkService.network(port.networkId()); |
| |
| if (network == null) { |
| return; |
| } |
| |
| // TODO: need to handle VLAN case |
| if (network.type() == FLAT) { |
| return; |
| } |
| |
| if (network.segmentId() == null) { |
| return; |
| } |
| |
| for (KubevirtNode remoteNode : kubevirtNodeService.completeNodes(WORKER)) { |
| if (remoteNode.hostname().equals(localNode.hostname())) { |
| continue; |
| } |
| |
| PortNumber patchPortNumber = tunnelToTenantPort(remoteNode, network); |
| if (patchPortNumber == null) { |
| return; |
| } |
| |
| PortNumber tunnelPortNumber = tunnelPort(remoteNode, network); |
| if (tunnelPortNumber == null) { |
| return; |
| } |
| |
| TrafficSelector.Builder sIpBuilder = DefaultTrafficSelector.builder() |
| .matchInPort(patchPortNumber) |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)); |
| |
| TrafficSelector.Builder sArpBuilder = DefaultTrafficSelector.builder() |
| .matchInPort(patchPortNumber) |
| .matchEthType(Ethernet.TYPE_ARP) |
| .matchArpTpa(Ip4Address.valueOf(port.ipAddress().toString())); |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| .setTunnelId(Long.parseLong(network.segmentId())) |
| .extension(buildExtension( |
| deviceService, |
| remoteNode.tunBridge(), |
| localNode.dataIp().getIp4Address()), |
| remoteNode.tunBridge()) |
| .setOutput(tunnelPortNumber); |
| |
| flowRuleService.setRule( |
| appId, |
| remoteNode.tunBridge(), |
| sIpBuilder.build(), |
| tBuilder.build(), |
| PRIORITY_TUNNEL_RULE, |
| TUNNEL_DEFAULT_TABLE, |
| install); |
| |
| flowRuleService.setRule( |
| appId, |
| remoteNode.tunBridge(), |
| sArpBuilder.build(), |
| tBuilder.build(), |
| PRIORITY_TUNNEL_RULE, |
| TUNNEL_DEFAULT_TABLE, |
| install); |
| } |
| |
| log.debug("Install egress rules for instance {}, segment ID {}", |
| port.ipAddress(), network.segmentId()); |
| } |
| |
| 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; |
| } |
| |
| kubevirtPodService.pods().stream() |
| .filter(pod -> node.hostname().equals(pod.getSpec().getNodeName())) |
| .forEach(pod -> { |
| setIngressRules(pod, true); |
| setEgressRules(pod, true); |
| }); |
| } |
| } |
| |
| private class InternalKubevirtPodListener implements KubevirtPodListener { |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(KubevirtPodEvent event) { |
| |
| switch (event.type()) { |
| case KUBEVIRT_POD_UPDATED: |
| eventExecutor.execute(() -> processPodUpdate(event.subject())); |
| break; |
| case KUBEVIRT_POD_REMOVED: |
| eventExecutor.execute(() -> processPodRemoval(event.subject())); |
| break; |
| default: |
| // do nothing |
| break; |
| } |
| } |
| |
| private void processPodUpdate(Pod pod) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| setIngressRules(pod, true); |
| setEgressRules(pod, true); |
| } |
| |
| private void processPodRemoval(Pod pod) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| setIngressRules(pod, false); |
| setEgressRules(pod, false); |
| } |
| } |
| } |