| /* |
| * Copyright 2015-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.cordvtn.impl; |
| |
| import com.google.common.base.Strings; |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| 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.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.Ip4Address; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.MacAddress; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.cordvtn.api.CordVtnConfig; |
| import org.onosproject.cordvtn.api.CordVtnNode; |
| import org.onosproject.cordvtn.api.CordVtnService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.dhcp.DhcpService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.HostLocation; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.config.ConfigFactory; |
| import org.onosproject.net.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.group.GroupService; |
| import org.onosproject.net.host.DefaultHostDescription; |
| import org.onosproject.net.host.HostDescription; |
| import org.onosproject.net.host.HostEvent; |
| import org.onosproject.net.host.HostListener; |
| import org.onosproject.net.host.HostProvider; |
| import org.onosproject.net.host.HostProviderRegistry; |
| import org.onosproject.net.host.HostProviderService; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.net.packet.PacketContext; |
| import org.onosproject.net.packet.PacketProcessor; |
| import org.onosproject.net.packet.PacketService; |
| import org.onosproject.net.provider.AbstractProvider; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.xosclient.api.OpenStackAccess; |
| import org.onosproject.xosclient.api.VtnPort; |
| import org.onosproject.xosclient.api.VtnPortApi; |
| import org.onosproject.xosclient.api.VtnPortId; |
| import org.onosproject.xosclient.api.VtnService; |
| import org.onosproject.xosclient.api.VtnServiceApi; |
| import org.onosproject.xosclient.api.VtnServiceId; |
| import org.onosproject.xosclient.api.XosAccess; |
| import org.onosproject.xosclient.api.XosClientService; |
| import org.slf4j.Logger; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.stream.Collectors; |
| import java.util.stream.StreamSupport; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provisions virtual tenant networks with service chaining capability |
| * in OpenStack environment. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class CordVtn extends AbstractProvider implements CordVtnService, HostProvider { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigRegistry configRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostProviderRegistry hostProviderRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected HostService hostService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleService flowRuleService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PacketService packetService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected GroupService groupService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DhcpService dhcpService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected XosClientService xosClient; |
| |
| private final ConfigFactory configFactory = |
| new ConfigFactory(SubjectFactories.APP_SUBJECT_FACTORY, CordVtnConfig.class, "cordvtn") { |
| @Override |
| public CordVtnConfig createConfig() { |
| return new CordVtnConfig(); |
| } |
| }; |
| |
| private static final String XOS_ACCESS_ERROR = "XOS access is not configured"; |
| private static final String OPENSTACK_ACCESS_ERROR = "OpenStack access is not configured"; |
| |
| private static final String DEFAULT_TUNNEL = "vxlan"; |
| private static final String SERVICE_ID = "serviceId"; |
| private static final String PORT_ID = "vtnPortId"; |
| private static final String DATA_PLANE_IP = "dataPlaneIp"; |
| private static final String DATA_PLANE_INTF = "dataPlaneIntf"; |
| private static final String S_TAG = "stag"; |
| private static final String VSG_HOST_ID = "vsgHostId"; |
| private static final String CREATE_TIME = "createTime"; |
| |
| private static final Ip4Address DEFAULT_DNS = Ip4Address.valueOf("8.8.8.8"); |
| |
| private final ExecutorService eventExecutor = |
| newSingleThreadScheduledExecutor(groupedThreads("onos/cordvtn", "event-handler")); |
| |
| private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
| private final HostListener hostListener = new InternalHostListener(); |
| private final NetworkConfigListener configListener = new InternalConfigListener(); |
| |
| private ApplicationId appId; |
| private HostProviderService hostProvider; |
| private CordVtnRuleInstaller ruleInstaller; |
| private CordVtnArpProxy arpProxy; |
| |
| private volatile XosAccess xosAccess = null; |
| private volatile OpenStackAccess osAccess = null; |
| private volatile MacAddress privateGatewayMac = MacAddress.NONE; |
| |
| /** |
| * Creates an cordvtn host location provider. |
| */ |
| public CordVtn() { |
| super(new ProviderId("host", CORDVTN_APP_ID)); |
| } |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(CordVtnService.CORDVTN_APP_ID); |
| ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService, |
| deviceService, |
| groupService, |
| hostService, |
| configRegistry, |
| DEFAULT_TUNNEL); |
| |
| arpProxy = new CordVtnArpProxy(appId, packetService, hostService); |
| packetService.addProcessor(packetProcessor, PacketProcessor.director(0)); |
| arpProxy.requestPacket(); |
| |
| hostService.addListener(hostListener); |
| hostProvider = hostProviderRegistry.register(this); |
| |
| configRegistry.registerConfigFactory(configFactory); |
| configRegistry.addListener(configListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| hostProviderRegistry.unregister(this); |
| hostService.removeListener(hostListener); |
| |
| packetService.removeProcessor(packetProcessor); |
| |
| configRegistry.unregisterConfigFactory(configFactory); |
| configRegistry.removeListener(configListener); |
| |
| eventExecutor.shutdown(); |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void triggerProbe(Host host) { |
| /* |
| * Note: In CORD deployment, we assume that all hosts are configured. |
| * Therefore no probe is required. |
| */ |
| } |
| |
| @Override |
| public void createServiceDependency(VtnServiceId tServiceId, VtnServiceId pServiceId, |
| boolean isBidirectional) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| // TODO remove openstack access when XOS provides all information |
| VtnServiceApi serviceApi = xosClient.getClient(xosAccess).vtnService(); |
| VtnService tService = serviceApi.service(tServiceId, osAccess); |
| VtnService pService = serviceApi.service(pServiceId, osAccess); |
| |
| if (tService == null || pService == null) { |
| log.error("Failed to create dependency between {} and {}", |
| tServiceId, pServiceId); |
| return; |
| } |
| |
| log.info("Created dependency between {} and {}", tService.name(), pService.name()); |
| ruleInstaller.populateServiceDependencyRules(tService, pService, isBidirectional, true); |
| } |
| |
| @Override |
| public void removeServiceDependency(VtnServiceId tServiceId, VtnServiceId pServiceId) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| // TODO remove openstack access when XOS provides all information |
| VtnServiceApi serviceApi = xosClient.getClient(xosAccess).vtnService(); |
| VtnService tService = serviceApi.service(tServiceId, osAccess); |
| VtnService pService = serviceApi.service(pServiceId, osAccess); |
| |
| if (tService == null || pService == null) { |
| log.error("Failed to remove dependency between {} and {}", |
| tServiceId, pServiceId); |
| return; |
| } |
| |
| log.info("Removed dependency between {} and {}", tService.name(), pService.name()); |
| ruleInstaller.populateServiceDependencyRules(tService, pService, true, false); |
| } |
| |
| @Override |
| public void addServiceVm(CordVtnNode node, ConnectPoint connectPoint) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| Port port = deviceService.getPort(connectPoint.deviceId(), connectPoint.port()); |
| String portName = port.annotations().value("portName"); |
| |
| // TODO remove openstack access when XOS provides all information |
| VtnPortApi portApi = xosClient.getClient(xosAccess).vtnPort(); |
| VtnPort vtnPort = portApi.vtnPort(portName, osAccess); |
| if (vtnPort == null) { |
| log.warn("Failed to get port information of {}", portName); |
| return; |
| } |
| |
| // Added CREATE_TIME intentionally to trigger HOST_UPDATED event for the |
| // existing instances. |
| DefaultAnnotations.Builder annotations = DefaultAnnotations.builder() |
| .set(SERVICE_ID, vtnPort.serviceId().id()) |
| .set(PORT_ID, vtnPort.id().id()) |
| .set(DATA_PLANE_IP, node.dpIp().ip().toString()) |
| .set(DATA_PLANE_INTF, node.dpIntf()) |
| .set(CREATE_TIME, String.valueOf(System.currentTimeMillis())); |
| |
| // TODO address service specific task in a separate package |
| String serviceVlan = getServiceVlan(vtnPort); |
| if (!Strings.isNullOrEmpty(serviceVlan)) { |
| annotations.set(S_TAG, serviceVlan); |
| } |
| |
| HostDescription hostDesc = new DefaultHostDescription( |
| vtnPort.mac(), |
| VlanId.NONE, |
| new HostLocation(connectPoint, System.currentTimeMillis()), |
| Sets.newHashSet(vtnPort.ip()), |
| annotations.build()); |
| |
| HostId hostId = HostId.hostId(vtnPort.mac()); |
| hostProvider.hostDetected(hostId, hostDesc, false); |
| } |
| |
| @Override |
| public void removeServiceVm(ConnectPoint connectPoint) { |
| hostService.getConnectedHosts(connectPoint) |
| .stream() |
| .forEach(host -> hostProvider.hostVanished(host.id())); |
| } |
| |
| @Override |
| // TODO address service specific task in a separate package |
| public void updateVirtualSubscriberGateways(HostId vSgHostId, String serviceVlan, |
| Map<IpAddress, MacAddress> vSgs) { |
| Host vSgHost = hostService.getHost(vSgHostId); |
| if (vSgHost == null || !vSgHost.annotations().value(S_TAG).equals(serviceVlan)) { |
| log.debug("Invalid vSG updates for {}", serviceVlan); |
| return; |
| } |
| |
| log.info("Updates vSGs in {} with {}", vSgHost.id(), vSgs.toString()); |
| vSgs.entrySet().stream() |
| .filter(entry -> hostService.getHostsByMac(entry.getValue()).isEmpty()) |
| .forEach(entry -> addVirtualSubscriberGateway( |
| vSgHost, |
| entry.getKey(), |
| entry.getValue(), |
| serviceVlan)); |
| |
| hostService.getConnectedHosts(vSgHost.location()).stream() |
| .filter(host -> !host.mac().equals(vSgHost.mac())) |
| .filter(host -> !vSgs.values().contains(host.mac())) |
| .forEach(host -> { |
| log.info("Removed vSG {}", host.toString()); |
| hostProvider.hostVanished(host.id()); |
| }); |
| } |
| |
| /** |
| * Adds virtual subscriber gateway to the system. |
| * |
| * @param vSgHost host virtual machine of this vSG |
| * @param vSgIp vSG ip address |
| * @param vSgMac vSG mac address |
| * @param serviceVlan service vlan |
| */ |
| // TODO address service specific task in a separate package |
| private void addVirtualSubscriberGateway(Host vSgHost, IpAddress vSgIp, MacAddress vSgMac, |
| String serviceVlan) { |
| log.info("vSG with IP({}) MAC({}) added", vSgIp.toString(), vSgMac.toString()); |
| |
| HostId hostId = HostId.hostId(vSgMac); |
| DefaultAnnotations.Builder annotations = DefaultAnnotations.builder() |
| .set(S_TAG, serviceVlan) |
| .set(VSG_HOST_ID, vSgHost.id().toString()) |
| .set(CREATE_TIME, String.valueOf(System.currentTimeMillis())); |
| |
| HostDescription hostDesc = new DefaultHostDescription( |
| vSgMac, |
| VlanId.NONE, |
| vSgHost.location(), |
| Sets.newHashSet(vSgIp), |
| annotations.build()); |
| |
| hostProvider.hostDetected(hostId, hostDesc, false); |
| } |
| |
| /** |
| * Returns public ip addresses of vSGs running inside a give vSG host. |
| * |
| * @param vSgHost vSG host |
| * @return map of ip and mac address, or empty map |
| */ |
| // TODO address service specific task in a separate package |
| private Map<IpAddress, MacAddress> getSubscriberGateways(Host vSgHost) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| String vtnPortId = vSgHost.annotations().value(PORT_ID); |
| String sTag = vSgHost.annotations().value(S_TAG); |
| |
| if (Strings.isNullOrEmpty(vtnPortId) || Strings.isNullOrEmpty(sTag)) { |
| log.warn("PORT_ID and S_TAG is not set, ignore {}", vSgHost); |
| return Maps.newHashMap(); |
| } |
| |
| // TODO remove openstack access when XOS provides all information |
| VtnPortApi portApi = xosClient.getClient(xosAccess).vtnPort(); |
| VtnPort vtnPort = portApi.vtnPort(VtnPortId.of(vtnPortId), osAccess); |
| if (vtnPort == null) { |
| log.warn("Failed to get port information of {}", vSgHost); |
| return Maps.newHashMap(); |
| } |
| |
| if (!sTag.equals(getServiceVlan(vtnPort))) { |
| log.error("Host({}) s-tag does not match with VTN port s-tag", vSgHost); |
| return Maps.newHashMap(); |
| } |
| return vtnPort.addressPairs(); |
| } |
| |
| /** |
| * Returns s-tag from a given VTN port. |
| * |
| * @param vtnPort vtn port |
| * @return s-tag string |
| */ |
| // TODO address service specific task in a separate package |
| private String getServiceVlan(VtnPort vtnPort) { |
| checkNotNull(vtnPort); |
| |
| String portName = vtnPort.name(); |
| if (portName != null && portName.startsWith(S_TAG)) { |
| return portName.split("-")[1]; |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns instances with a given network service. |
| * |
| * @param serviceId service id |
| * @return set of hosts |
| */ |
| private Set<Host> getInstances(VtnServiceId serviceId) { |
| return StreamSupport.stream(hostService.getHosts().spliterator(), false) |
| .filter(host -> Objects.equals( |
| serviceId.id(), |
| host.annotations().value(SERVICE_ID))) |
| .collect(Collectors.toSet()); |
| } |
| |
| /** |
| * Registers static DHCP lease for a given host. |
| * |
| * @param host host |
| * @param service cord service |
| */ |
| private void registerDhcpLease(Host host, VtnService service) { |
| List<Ip4Address> options = Lists.newArrayList(); |
| options.add(Ip4Address.makeMaskPrefix(service.subnet().prefixLength())); |
| options.add(service.serviceIp().getIp4Address()); |
| options.add(service.serviceIp().getIp4Address()); |
| options.add(DEFAULT_DNS); |
| |
| log.debug("Set static DHCP mapping for {}", host.mac()); |
| dhcpService.setStaticMapping(host.mac(), |
| host.ipAddresses().stream().findFirst().get().getIp4Address(), |
| true, |
| options); |
| } |
| |
| /** |
| * Handles VM detected situation. |
| * |
| * @param host host |
| */ |
| private void serviceVmAdded(Host host) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| // TODO address service specific task in a separate package |
| String serviceVlan = host.annotations().value(S_TAG); |
| if (serviceVlan != null) { |
| virtualSubscriberGatewayAdded(host, serviceVlan); |
| } |
| |
| String serviceId = host.annotations().value(SERVICE_ID); |
| if (Strings.isNullOrEmpty(serviceId)) { |
| // ignore this host, it is not a service instance |
| return; |
| } |
| |
| log.info("Instance is detected {}", host); |
| |
| // TODO remove openstack access when XOS provides all information |
| VtnServiceApi serviceApi = xosClient.getClient(xosAccess).vtnService(); |
| VtnService service = serviceApi.service(VtnServiceId.of(serviceId), osAccess); |
| if (service == null) { |
| log.warn("Failed to get VtnService for {}", serviceId); |
| return; |
| } |
| |
| switch (service.networkType()) { |
| case MANAGEMENT: |
| ruleInstaller.populateManagementNetworkRules(host, service); |
| break; |
| case PRIVATE: |
| arpProxy.addGateway(service.serviceIp(), privateGatewayMac); |
| case PUBLIC: |
| default: |
| // TODO get bidirectional information from XOS once XOS supports |
| service.tenantServices().stream().forEach( |
| tServiceId -> createServiceDependency(tServiceId, service.id(), true)); |
| service.providerServices().stream().forEach( |
| pServiceId -> createServiceDependency(service.id(), pServiceId, true)); |
| |
| ruleInstaller.updateProviderServiceGroup(service); |
| // sends gratuitous ARP here for the case of adding existing VMs |
| // when ONOS or cordvtn app is restarted |
| arpProxy.sendGratuitousArpForGateway(service.serviceIp(), Sets.newHashSet(host)); |
| break; |
| } |
| |
| registerDhcpLease(host, service); |
| ruleInstaller.populateBasicConnectionRules(host, service, true); |
| } |
| |
| /** |
| * Handles VM removed situation. |
| * |
| * @param host host |
| */ |
| private void serviceVmRemoved(Host host) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| // TODO address service specific task in a separate package |
| if (host.annotations().value(S_TAG) != null) { |
| virtualSubscriberGatewayRemoved(host); |
| } |
| |
| String serviceId = host.annotations().value(SERVICE_ID); |
| if (Strings.isNullOrEmpty(serviceId)) { |
| // ignore this host, it is not a service instance |
| return; |
| } |
| |
| log.info("Instance is vanished {}", host); |
| |
| // TODO remove openstack access when XOS provides all information |
| VtnServiceApi vtnServiceApi = xosClient.getClient(xosAccess).vtnService(); |
| VtnService service = vtnServiceApi.service(VtnServiceId.of(serviceId), osAccess); |
| if (service == null) { |
| log.warn("Failed to get VtnService for {}", serviceId); |
| return; |
| } |
| |
| // TODO need to consider the case that the service is removed also |
| switch (service.networkType()) { |
| case MANAGEMENT: |
| break; |
| case PRIVATE: |
| if (getInstances(VtnServiceId.of(serviceId)).isEmpty()) { |
| arpProxy.removeGateway(service.serviceIp()); |
| } |
| case PUBLIC: |
| default: |
| if (!service.tenantServices().isEmpty()) { |
| ruleInstaller.updateProviderServiceGroup(service); |
| } |
| if (!service.providerServices().isEmpty()) { |
| ruleInstaller.updateTenantServiceVm(host, service); |
| } |
| break; |
| } |
| |
| dhcpService.removeStaticMapping(host.mac()); |
| ruleInstaller.populateBasicConnectionRules(host, service, false); |
| } |
| |
| |
| /** |
| * Handles virtual subscriber gateway VM or container. |
| * |
| * @param host new host with stag, it can be vsg VM or vsg |
| * @param serviceVlan service vlan |
| */ |
| // TODO address service specific task in a separate package |
| private void virtualSubscriberGatewayAdded(Host host, String serviceVlan) { |
| Map<IpAddress, MacAddress> vSgs; |
| Host vSgHost; |
| |
| String vSgHostId = host.annotations().value(VSG_HOST_ID); |
| if (vSgHostId == null) { |
| log.info("vSG VM detected {}", host.id()); |
| |
| vSgHost = host; |
| vSgs = getSubscriberGateways(vSgHost); |
| vSgs.entrySet().stream().forEach(entry -> addVirtualSubscriberGateway( |
| vSgHost, |
| entry.getKey(), |
| entry.getValue(), |
| serviceVlan)); |
| } else { |
| vSgHost = hostService.getHost(HostId.hostId(vSgHostId)); |
| if (vSgHost == null) { |
| return; |
| } |
| |
| log.info("vSG detected {}", host.id()); |
| vSgs = getSubscriberGateways(vSgHost); |
| } |
| |
| ruleInstaller.populateSubscriberGatewayRules(vSgHost, vSgs.keySet()); |
| } |
| |
| /** |
| * Handles virtual subscriber gateway removed. |
| * |
| * @param vSg vsg host to remove |
| */ |
| // TODO address service specific task in a separate package |
| private void virtualSubscriberGatewayRemoved(Host vSg) { |
| String vSgHostId = vSg.annotations().value(VSG_HOST_ID); |
| if (vSgHostId == null) { |
| return; |
| } |
| |
| Host vSgHost = hostService.getHost(HostId.hostId(vSgHostId)); |
| if (vSgHost == null) { |
| return; |
| } |
| |
| log.info("vSG removed {}", vSg.id()); |
| Map<IpAddress, MacAddress> vSgs = getSubscriberGateways(vSgHost); |
| ruleInstaller.populateSubscriberGatewayRules(vSgHost, vSgs.keySet()); |
| } |
| |
| /** |
| * Sets service network gateway MAC address and sends out gratuitous ARP to all |
| * VMs to update the gateway MAC address. |
| * |
| * @param newMac mac address to update |
| */ |
| private void setPrivateGatewayMac(MacAddress newMac) { |
| checkNotNull(osAccess, OPENSTACK_ACCESS_ERROR); |
| checkNotNull(xosAccess, XOS_ACCESS_ERROR); |
| |
| if (newMac == null || newMac.equals(privateGatewayMac)) { |
| // no updates, do nothing |
| return; |
| } |
| |
| privateGatewayMac = newMac; |
| log.debug("Set service gateway MAC address to {}", privateGatewayMac.toString()); |
| |
| VtnServiceApi vtnServiceApi = xosClient.getClient(xosAccess).vtnService(); |
| vtnServiceApi.services().stream().forEach(serviceId -> { |
| VtnService service = vtnServiceApi.service(serviceId, osAccess); |
| if (service != null) { |
| arpProxy.addGateway(service.serviceIp(), privateGatewayMac); |
| arpProxy.sendGratuitousArpForGateway(service.serviceIp(), getInstances(serviceId)); |
| } |
| }); |
| } |
| |
| /** |
| * Sets public gateway MAC address. |
| * |
| * @param publicGateways gateway ip and mac address pairs |
| */ |
| private void setPublicGatewayMac(Map<IpAddress, MacAddress> publicGateways) { |
| publicGateways.entrySet() |
| .stream() |
| .forEach(entry -> { |
| arpProxy.addGateway(entry.getKey(), entry.getValue()); |
| log.debug("Added public gateway IP {}, MAC {}", |
| entry.getKey().toString(), entry.getValue().toString()); |
| }); |
| // TODO notice gateway MAC change to VMs holds this gateway IP |
| } |
| |
| /** |
| * Updates configurations. |
| */ |
| private void readConfiguration() { |
| CordVtnConfig config = configRegistry.getConfig(appId, CordVtnConfig.class); |
| if (config == null) { |
| log.debug("No configuration found"); |
| return; |
| } |
| |
| xosAccess = config.xosAccess(); |
| osAccess = config.openstackAccess(); |
| |
| setPrivateGatewayMac(config.privateGatewayMac()); |
| setPublicGatewayMac(config.publicGateways()); |
| } |
| |
| private class InternalHostListener implements HostListener { |
| |
| @Override |
| public void event(HostEvent event) { |
| Host host = event.subject(); |
| if (!mastershipService.isLocalMaster(host.location().deviceId())) { |
| // do not allow to proceed without mastership |
| return; |
| } |
| |
| switch (event.type()) { |
| case HOST_UPDATED: |
| case HOST_ADDED: |
| eventExecutor.execute(() -> serviceVmAdded(host)); |
| break; |
| case HOST_REMOVED: |
| eventExecutor.execute(() -> serviceVmRemoved(host)); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class InternalPacketProcessor implements PacketProcessor { |
| |
| @Override |
| public void process(PacketContext context) { |
| if (context.isHandled()) { |
| return; |
| } |
| |
| Ethernet ethPacket = context.inPacket().parsed(); |
| if (ethPacket == null || ethPacket.getEtherType() != Ethernet.TYPE_ARP) { |
| return; |
| } |
| |
| arpProxy.processArpPacket(context, ethPacket); |
| } |
| } |
| |
| private class InternalConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| if (!event.configClass().equals(CordVtnConfig.class)) { |
| return; |
| } |
| |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| log.info("Network configuration changed"); |
| eventExecutor.execute(CordVtn.this::readConfiguration); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |