| /* |
| * 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.onlab.packet.ARP; |
| import org.onlab.packet.EthType; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IpPrefix; |
| 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.kubevirtnetworking.api.KubevirtFloatingIp; |
| import org.onosproject.kubevirtnetworking.api.KubevirtFlowRuleService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtNetwork; |
| import org.onosproject.kubevirtnetworking.api.KubevirtNetworkService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPort; |
| import org.onosproject.kubevirtnetworking.api.KubevirtPortService; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouter; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterEvent; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterListener; |
| import org.onosproject.kubevirtnetworking.api.KubevirtRouterService; |
| import org.onosproject.kubevirtnetworking.util.RulePopulatorUtil; |
| import org.onosproject.kubevirtnode.api.KubevirtNode; |
| import org.onosproject.kubevirtnode.api.KubevirtNodeService; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.device.DeviceAdminService; |
| 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.FORWARDING_TABLE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.KUBEVIRT_NETWORKING_APP_ID; |
| import static org.onosproject.kubevirtnetworking.api.Constants.PRE_FLAT_TABLE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_ARP_GATEWAY_RULE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FLOATING_IP_RULE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.PRIORITY_FORWARDING_RULE; |
| import static org.onosproject.kubevirtnetworking.api.Constants.TUNNEL_DEFAULT_TABLE; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GENEVE; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.GRE; |
| import static org.onosproject.kubevirtnetworking.api.KubevirtNetwork.Type.VXLAN; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.externalPatchPortNum; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.gatewayNodeForSpecifiedRouter; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.getRouterMacAddress; |
| import static org.onosproject.kubevirtnetworking.util.KubevirtNetworkingUtil.tunnelPort; |
| import static org.onosproject.kubevirtnetworking.util.RulePopulatorUtil.buildExtension; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Handles kubevirt floating ip. |
| */ |
| @Component(immediate = true) |
| public class KubevirtFloatingIpHandler { |
| protected final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceAdminService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtPortService kubevirtPortService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtNodeService kubevirtNodeService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtNetworkService kubevirtNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtFlowRuleService flowService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DriverService driverService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected KubevirtRouterService kubevirtRouterService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| |
| private ApplicationId appId; |
| private NodeId localNodeId; |
| |
| private final InternalRouterEventListener kubevirtRouterlistener = |
| new InternalRouterEventListener(); |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(KUBEVIRT_NETWORKING_APP_ID); |
| localNodeId = clusterService.getLocalNode().id(); |
| leadershipService.runForLeadership(appId.name()); |
| kubevirtRouterService.addListener(kubevirtRouterlistener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| leadershipService.withdraw(appId.name()); |
| kubevirtRouterService.removeListener(kubevirtRouterlistener); |
| |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| private void setFloatingIpRules(KubevirtRouter router, |
| KubevirtFloatingIp floatingIp, |
| boolean install) { |
| |
| KubevirtPort kubevirtPort = getKubevirtPort(floatingIp); |
| if (kubevirtPort == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} " + |
| "because there's no kubevirt port associated to it", floatingIp.floatingIp()); |
| return; |
| } |
| |
| KubevirtNetwork kubevirtNetwork = kubevirtNetworkService.network(kubevirtPort.networkId()); |
| if (kubevirtNetwork.type() == VXLAN || kubevirtNetwork.type() == GENEVE || kubevirtNetwork.type() == GRE) { |
| setFloatingIpDownstreamRulesToGatewayTunBridge(router, floatingIp, kubevirtNetwork, kubevirtPort, install); |
| } |
| |
| setFloatingIpArpResponseRules(router, floatingIp, kubevirtPort, install); |
| setFloatingIpUpstreamRules(router, floatingIp, kubevirtPort, install); |
| setFloatingIpDownstreamRules(router, floatingIp, kubevirtPort, install); |
| } |
| |
| private void setFloatingIpArpResponseRules(KubevirtRouter router, |
| KubevirtFloatingIp floatingIp, |
| KubevirtPort port, |
| boolean install) { |
| |
| KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| |
| if (electedGw == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} " + |
| "because there's no gateway assigned to it", floatingIp.floatingIp()); |
| return; |
| } |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchInPort(externalPatchPortNum(deviceService, electedGw)) |
| .matchEthType(EthType.EtherType.ARP.ethType().toShort()) |
| .matchArpOp(ARP.OP_REQUEST) |
| .matchArpTpa(floatingIp.floatingIp().getIp4Address()) |
| .build(); |
| |
| Device device = deviceService.getDevice(electedGw.intgBridge()); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .extension(RulePopulatorUtil.buildMoveEthSrcToDstExtension(device), device.id()) |
| .extension(RulePopulatorUtil.buildMoveArpShaToThaExtension(device), device.id()) |
| .extension(RulePopulatorUtil.buildMoveArpSpaToTpaExtension(device), device.id()) |
| .setArpOp(ARP.OP_REPLY) |
| .setEthSrc(port.macAddress()) |
| .setArpSha(port.macAddress()) |
| .setArpSpa(floatingIp.floatingIp().getIp4Address()) |
| .setOutput(PortNumber.IN_PORT) |
| .build(); |
| |
| flowService.setRule( |
| appId, |
| electedGw.intgBridge(), |
| selector, |
| treatment, |
| PRIORITY_ARP_GATEWAY_RULE, |
| PRE_FLAT_TABLE, |
| install); |
| } |
| private KubevirtPort getKubevirtPort(KubevirtFloatingIp floatingIp) { |
| |
| return kubevirtPortService.ports().stream() |
| .filter(port -> port.ipAddress().equals(floatingIp.fixedIp())) |
| .findAny().orElse(null); |
| } |
| |
| private void setFloatingIpUpstreamRules(KubevirtRouter router, |
| KubevirtFloatingIp floatingIp, |
| KubevirtPort port, |
| boolean install) { |
| |
| KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| |
| if (electedGw == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} " + |
| "because there's no gateway assigned to it", floatingIp.floatingIp()); |
| return; |
| } |
| |
| MacAddress peerMacAddress = router.peerRouter().macAddress(); |
| |
| if (peerMacAddress == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} and router {}" + |
| "because there's no peer router mac address", floatingIp.floatingIp(), |
| router.name()); |
| return; |
| } |
| |
| MacAddress routerMacAddress = getRouterMacAddress(router); |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchEthSrc(port.macAddress()) |
| .matchEthDst(routerMacAddress) |
| .matchIPSrc(IpPrefix.valueOf(floatingIp.fixedIp(), 32)) |
| .build(); |
| |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setEthDst(peerMacAddress) |
| .setEthSrc(port.macAddress()) |
| .setIpSrc(floatingIp.floatingIp()) |
| .setOutput(externalPatchPortNum(deviceService, electedGw)) |
| .build(); |
| |
| flowService.setRule( |
| appId, |
| electedGw.intgBridge(), |
| selector, |
| treatment, |
| PRIORITY_FLOATING_IP_RULE, |
| PRE_FLAT_TABLE, |
| install); |
| } |
| |
| private void setFloatingIpDownstreamRules(KubevirtRouter router, |
| KubevirtFloatingIp floatingIp, |
| KubevirtPort port, |
| boolean install) { |
| KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| |
| if (electedGw == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} " + |
| "because there's no gateway assigned to it", floatingIp.floatingIp()); |
| return; |
| } |
| |
| MacAddress routerMacAddress = getRouterMacAddress(router); |
| |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchEthDst(port.macAddress()) |
| .matchIPDst(IpPrefix.valueOf(floatingIp.floatingIp(), 32)) |
| .build(); |
| |
| TrafficTreatment treatment = DefaultTrafficTreatment.builder() |
| .setEthSrc(routerMacAddress) |
| .setEthDst(port.macAddress()) |
| .setIpDst(floatingIp.fixedIp()) |
| .transition(FORWARDING_TABLE) |
| .build(); |
| |
| flowService.setRule( |
| appId, |
| electedGw.intgBridge(), |
| selector, |
| treatment, |
| PRIORITY_FLOATING_IP_RULE, |
| PRE_FLAT_TABLE, |
| install); |
| } |
| |
| |
| private void setFloatingIpDownstreamRulesToGatewayTunBridge(KubevirtRouter router, |
| KubevirtFloatingIp floatingIp, |
| KubevirtNetwork network, |
| KubevirtPort port, |
| boolean install) { |
| KubevirtNode electedGw = gatewayNodeForSpecifiedRouter(kubevirtNodeService, router); |
| |
| if (electedGw == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} " + |
| "because there's no gateway assigned to it", floatingIp.floatingIp()); |
| return; |
| } |
| |
| KubevirtNode workerNode = kubevirtNodeService.node(port.deviceId()); |
| if (workerNode == null) { |
| log.warn("Failed to install floating Ip rules for floating ip {} " + |
| "because fail to fine the worker node that the associated port is running on", |
| floatingIp.floatingIp()); |
| } |
| |
| PortNumber tunnelPortNumber = tunnelPort(electedGw, network); |
| if (tunnelPortNumber == null) { |
| return; |
| } |
| |
| |
| TrafficSelector.Builder sBuilder = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPDst(IpPrefix.valueOf(port.ipAddress(), 32)) |
| .matchEthDst(port.macAddress()); |
| |
| TrafficTreatment.Builder tBuilder = DefaultTrafficTreatment.builder() |
| .setTunnelId(Long.parseLong(network.segmentId())) |
| .extension(buildExtension( |
| deviceService, |
| electedGw.tunBridge(), |
| workerNode.dataIp().getIp4Address()), |
| electedGw.tunBridge()) |
| .setOutput(tunnelPortNumber); |
| |
| flowService.setRule( |
| appId, |
| electedGw.tunBridge(), |
| sBuilder.build(), |
| tBuilder.build(), |
| PRIORITY_FORWARDING_RULE, |
| TUNNEL_DEFAULT_TABLE, |
| install); |
| } |
| |
| private class InternalRouterEventListener implements KubevirtRouterListener { |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| |
| @Override |
| public void event(KubevirtRouterEvent event) { |
| switch (event.type()) { |
| case KUBEVIRT_ROUTER_CREATED: |
| eventExecutor.execute(() -> processRouterCreation(event.subject())); |
| break; |
| case KUBEVIRT_ROUTER_UPDATED: |
| eventExecutor.execute(() -> processRouterUpdate(event.subject())); |
| break; |
| case KUBEVIRT_ROUTER_REMOVED: |
| eventExecutor.execute(() -> processRouterDeletion(event.subject())); |
| break; |
| case KUBEVIRT_FLOATING_IP_ASSOCIATED: |
| eventExecutor.execute(() -> processFloatingIpAssociation(event.subject(), |
| event.floatingIp())); |
| break; |
| case KUBEVIRT_FLOATING_IP_DISASSOCIATED: |
| eventExecutor.execute(() -> processFloatingIpDisassociation(event.subject(), |
| event.floatingIp())); |
| break; |
| |
| default: |
| //do nothing |
| break; |
| } |
| } |
| |
| private void processRouterCreation(KubevirtRouter router) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| kubevirtRouterService.floatingIpsByRouter(router.name()) |
| .stream() |
| .filter(fip -> fip.fixedIp() != null) |
| .forEach(fip -> { |
| processFloatingIpAssociation(router, fip); |
| }); |
| } |
| |
| private void processRouterDeletion(KubevirtRouter router) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| kubevirtRouterService.floatingIpsByRouter(router.name()) |
| .stream() |
| .filter(fip -> fip.fixedIp() != null) |
| .forEach(fip -> { |
| processFloatingIpDisassociation(router, fip); |
| }); |
| } |
| |
| private void processRouterUpdate(KubevirtRouter router) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| kubevirtRouterService.floatingIpsByRouter(router.name()) |
| .stream() |
| .filter(fip -> fip.fixedIp() != null) |
| .forEach(fip -> { |
| processFloatingIpAssociation(router, fip); |
| }); |
| } |
| |
| private void processFloatingIpAssociation(KubevirtRouter router, KubevirtFloatingIp floatingIp) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| setFloatingIpRules(router, floatingIp, true); |
| } |
| |
| private void processFloatingIpDisassociation(KubevirtRouter router, KubevirtFloatingIp floatingIp) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| setFloatingIpRules(router, floatingIp, false); |
| } |
| } |
| } |