| /* |
| * Copyright 2014-2015 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; |
| |
| 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.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.NetworkConfigService; |
| import org.onosproject.net.config.basics.SubjectFactories; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.DriverService; |
| 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.openstackinterface.OpenstackInterfaceService; |
| import org.onosproject.openstackinterface.OpenstackNetwork; |
| import org.onosproject.openstackinterface.OpenstackPort; |
| import org.onosproject.openstackinterface.OpenstackSubnet; |
| 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 NetworkConfigService configService; |
| |
| @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 DriverService driverService; |
| |
| @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 OpenstackInterfaceService openstackService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DhcpService dhcpService; |
| |
| private final ConfigFactory configFactory = |
| new ConfigFactory(SubjectFactories.APP_SUBJECT_FACTORY, CordVtnConfig.class, "cordvtn") { |
| @Override |
| public CordVtnConfig createConfig() { |
| return new CordVtnConfig(); |
| } |
| }; |
| |
| private static final String DEFAULT_TUNNEL = "vxlan"; |
| private static final String SERVICE_ID = "serviceId"; |
| private static final String OPENSTACK_PORT_ID = "openstackPortId"; |
| 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 CREATED_TIME = "createdTime"; |
| |
| 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 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("org.onosproject.cordvtn"); |
| ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService, |
| deviceService, |
| driverService, |
| groupService, |
| 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); |
| configService.addListener(configListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| hostProviderRegistry.unregister(this); |
| hostService.removeListener(hostListener); |
| |
| packetService.removeProcessor(packetProcessor); |
| |
| configRegistry.unregisterConfigFactory(configFactory); |
| configService.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(CordServiceId tServiceId, CordServiceId pServiceId, |
| boolean isBidirectional) { |
| CordService tService = getCordService(tServiceId); |
| CordService pService = getCordService(pServiceId); |
| |
| if (tService == null || pService == null) { |
| log.error("Failed to create CordService for {}", tServiceId.id()); |
| return; |
| } |
| |
| log.info("Service dependency from {} to {} created.", tService.id().id(), pService.id().id()); |
| ruleInstaller.populateServiceDependencyRules(tService, pService, isBidirectional); |
| } |
| |
| @Override |
| public void removeServiceDependency(CordServiceId tServiceId, CordServiceId pServiceId) { |
| CordService tService = getCordService(tServiceId); |
| CordService pService = getCordService(pServiceId); |
| |
| if (tService == null || pService == null) { |
| log.error("Failed to create CordService for {}", tServiceId.id()); |
| return; |
| } |
| |
| log.info("Service dependency from {} to {} removed.", tService.id().id(), pService.id().id()); |
| ruleInstaller.removeServiceDependencyRules(tService, pService); |
| } |
| |
| @Override |
| public void addServiceVm(CordVtnNode node, ConnectPoint connectPoint) { |
| Port port = deviceService.getPort(connectPoint.deviceId(), connectPoint.port()); |
| OpenstackPort vPort = openstackService.port(port); |
| if (vPort == null) { |
| log.warn("Failed to get OpenstackPort for {}", getPortName(port)); |
| return; |
| } |
| |
| MacAddress mac = vPort.macAddress(); |
| HostId hostId = HostId.hostId(mac); |
| |
| Host existingHost = hostService.getHost(hostId); |
| if (existingHost != null) { |
| String serviceId = existingHost.annotations().value(SERVICE_ID); |
| if (serviceId == null || !serviceId.equals(vPort.networkId())) { |
| // this host is not injected by cordvtn or a stale host, remove it |
| hostProvider.hostVanished(existingHost.id()); |
| } |
| } |
| |
| // Included CREATED_TIME to annotation intentionally to trigger HOST_UPDATED |
| // event so that the flow rule population for this host can happen. |
| // This ensures refreshing data plane by pushing network config always make |
| // the data plane synced. |
| Set<IpAddress> fixedIp = Sets.newHashSet(vPort.fixedIps().values()); |
| DefaultAnnotations.Builder annotations = DefaultAnnotations.builder() |
| .set(SERVICE_ID, vPort.networkId()) |
| .set(OPENSTACK_PORT_ID, vPort.id()) |
| .set(DATA_PLANE_IP, node.dpIp().ip().toString()) |
| .set(DATA_PLANE_INTF, node.dpIntf()) |
| .set(CREATED_TIME, String.valueOf(System.currentTimeMillis())); |
| |
| String serviceVlan = getServiceVlan(vPort); |
| if (serviceVlan != null) { |
| annotations.set(S_TAG, serviceVlan); |
| } |
| |
| HostDescription hostDesc = new DefaultHostDescription( |
| mac, |
| VlanId.NONE, |
| new HostLocation(connectPoint, System.currentTimeMillis()), |
| fixedIp, |
| annotations.build()); |
| |
| hostProvider.hostDetected(hostId, hostDesc, false); |
| } |
| |
| @Override |
| public void removeServiceVm(ConnectPoint connectPoint) { |
| hostService.getConnectedHosts(connectPoint) |
| .stream() |
| .forEach(host -> hostProvider.hostVanished(host.id())); |
| } |
| |
| @Override |
| 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 |
| */ |
| 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(CREATED_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 |
| */ |
| private Map<IpAddress, MacAddress> getSubscriberGateways(Host vSgHost) { |
| String vPortId = vSgHost.annotations().value(OPENSTACK_PORT_ID); |
| String serviceVlan = vSgHost.annotations().value(S_TAG); |
| |
| OpenstackPort vPort = openstackService.port(vPortId); |
| if (vPort == null) { |
| log.warn("Failed to get OpenStack port {} for VM {}", vPortId, vSgHost.id()); |
| return Maps.newHashMap(); |
| } |
| |
| if (!serviceVlan.equals(getServiceVlan(vPort))) { |
| log.error("Host({}) s-tag does not match with vPort s-tag", vSgHost.id()); |
| return Maps.newHashMap(); |
| } |
| |
| return vPort.allowedAddressPairs(); |
| } |
| |
| /** |
| * Returns CordService by service ID. |
| * |
| * @param serviceId service id |
| * @return cord service, or null if it fails to get network from OpenStack |
| */ |
| private CordService getCordService(CordServiceId serviceId) { |
| OpenstackNetwork vNet = openstackService.network(serviceId.id()); |
| if (vNet == null) { |
| log.warn("Couldn't find OpenStack network for service {}", serviceId.id()); |
| return null; |
| } |
| |
| OpenstackSubnet subnet = vNet.subnets().stream() |
| .findFirst() |
| .orElse(null); |
| if (subnet == null) { |
| log.warn("Couldn't find OpenStack subnet for service {}", serviceId.id()); |
| return null; |
| } |
| |
| Set<CordServiceId> tServices = Sets.newHashSet(); |
| // TODO get tenant services from XOS |
| |
| Map<Host, IpAddress> hosts = getHostsWithOpenstackNetwork(vNet) |
| .stream() |
| .collect(Collectors.toMap(host -> host, this::getTunnelIp)); |
| |
| return new CordService(vNet, subnet, hosts, tServices); |
| } |
| |
| /** |
| * Returns CordService by OpenStack network. |
| * |
| * @param vNet OpenStack network |
| * @return cord service |
| */ |
| private CordService getCordService(OpenstackNetwork vNet) { |
| checkNotNull(vNet); |
| |
| CordServiceId serviceId = CordServiceId.of(vNet.id()); |
| OpenstackSubnet subnet = vNet.subnets().stream() |
| .findFirst() |
| .orElse(null); |
| if (subnet == null) { |
| log.warn("Couldn't find OpenStack subnet for service {}", serviceId); |
| return null; |
| } |
| |
| Set<CordServiceId> tServices = Sets.newHashSet(); |
| // TODO get tenant services from XOS |
| |
| Map<Host, IpAddress> hosts = getHostsWithOpenstackNetwork(vNet) |
| .stream() |
| .collect(Collectors.toMap(host -> host, this::getTunnelIp)); |
| |
| return new CordService(vNet, subnet, hosts, tServices); |
| } |
| |
| /** |
| * Returns IP address for tunneling for a given host. |
| * |
| * @param host host |
| * @return ip address, or null |
| */ |
| private IpAddress getTunnelIp(Host host) { |
| String ip = host.annotations().value(DATA_PLANE_IP); |
| return ip == null ? null : IpAddress.valueOf(ip); |
| } |
| |
| /** |
| * Returns port name. |
| * |
| * @param port port |
| * @return port name |
| */ |
| private String getPortName(Port port) { |
| return port.annotations().value("portName"); |
| } |
| |
| /** |
| * Returns s-tag from a given OpenStack port. |
| * |
| * @param vPort openstack port |
| * @return s-tag string |
| */ |
| private String getServiceVlan(OpenstackPort vPort) { |
| checkNotNull(vPort); |
| |
| if (vPort.name() != null && vPort.name().startsWith(S_TAG)) { |
| return vPort.name().split("-")[1]; |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns service ID of this host. |
| * |
| * @param host host |
| * @return service id, or null if not found |
| */ |
| private String getServiceId(Host host) { |
| return host.annotations().value(SERVICE_ID); |
| } |
| |
| /** |
| * Returns hosts associated with a given OpenStack network. |
| * |
| * @param vNet openstack network |
| * @return set of hosts |
| */ |
| private Set<Host> getHostsWithOpenstackNetwork(OpenstackNetwork vNet) { |
| checkNotNull(vNet); |
| |
| String vNetId = vNet.id(); |
| return StreamSupport.stream(hostService.getHosts().spliterator(), false) |
| .filter(host -> Objects.equals(vNetId, getServiceId(host))) |
| .collect(Collectors.toSet()); |
| } |
| |
| /** |
| * Registers static DHCP lease for a given host. |
| * |
| * @param host host |
| * @param service cord service |
| */ |
| private void registerDhcpLease(Host host, CordService service) { |
| List<Ip4Address> options = Lists.newArrayList(); |
| options.add(Ip4Address.makeMaskPrefix(service.serviceIpRange().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) { |
| String serviceVlan = host.annotations().value(S_TAG); |
| if (serviceVlan != null) { |
| virtualSubscriberGatewayAdded(host, serviceVlan); |
| } |
| |
| String vNetId = host.annotations().value(SERVICE_ID); |
| if (vNetId == null) { |
| // ignore this host, it is not the service VM, or it's a vSG |
| return; |
| } |
| |
| OpenstackNetwork vNet = openstackService.network(vNetId); |
| if (vNet == null) { |
| log.warn("Failed to get OpenStack network {} for VM {}.", |
| vNetId, host.id()); |
| return; |
| } |
| |
| log.info("VM is detected, MAC: {} IP: {}", |
| host.mac(), |
| host.ipAddresses().stream().findFirst().get()); |
| |
| CordService service = getCordService(vNet); |
| if (service == null) { |
| return; |
| } |
| |
| switch (service.serviceType()) { |
| case MANAGEMENT: |
| ruleInstaller.populateManagementNetworkRules(host, service); |
| break; |
| case PRIVATE: |
| arpProxy.addGateway(service.serviceIp(), privateGatewayMac); |
| case PUBLIC: |
| default: |
| // TODO check if the service needs an update on its group buckets after done CORD-433 |
| ruleInstaller.updateServiceGroup(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, getTunnelIp(host), vNet); |
| } |
| |
| /** |
| * Handles VM removed situation. |
| * |
| * @param host host |
| */ |
| private void serviceVmRemoved(Host host) { |
| String serviceVlan = host.annotations().value(S_TAG); |
| if (serviceVlan != null) { |
| virtualSubscriberGatewayRemoved(host); |
| } |
| |
| String vNetId = host.annotations().value(SERVICE_ID); |
| if (vNetId == null) { |
| // ignore it, it's not the service VM or it's a vSG |
| return; |
| } |
| |
| OpenstackNetwork vNet = openstackService.network(vNetId); |
| if (vNet == null) { |
| log.warn("Failed to get OpenStack network {} for VM {}", |
| vNetId, host.id()); |
| return; |
| } |
| |
| log.info("VM is vanished, MAC: {} IP: {}", |
| host.mac(), |
| host.ipAddresses().stream().findFirst().get()); |
| |
| ruleInstaller.removeBasicConnectionRules(host); |
| dhcpService.removeStaticMapping(host.mac()); |
| |
| CordService service = getCordService(vNet); |
| if (service == null) { |
| return; |
| } |
| |
| switch (service.serviceType()) { |
| case MANAGEMENT: |
| ruleInstaller.removeManagementNetworkRules(host, service); |
| break; |
| case PRIVATE: |
| if (getHostsWithOpenstackNetwork(vNet).isEmpty()) { |
| arpProxy.removeGateway(service.serviceIp()); |
| } |
| case PUBLIC: |
| default: |
| // TODO check if the service needs an update on its group buckets after done CORD-433 |
| ruleInstaller.updateServiceGroup(service); |
| break; |
| } |
| } |
| |
| |
| /** |
| * Handles virtual subscriber gateway VM or container. |
| * |
| * @param host new host with stag, it can be vsg VM or vsg |
| * @param serviceVlan service vlan |
| */ |
| 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.debug("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.debug("vSG detected {}", host.id()); |
| vSgs = getSubscriberGateways(vSgHost); |
| } |
| |
| ruleInstaller.populateSubscriberGatewayRules(vSgHost, vSgs.keySet()); |
| } |
| |
| /** |
| * Handles virtual subscriber gateway removed. |
| * |
| * @param vSg vsg host to remove |
| */ |
| 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) { |
| if (newMac == null || newMac.equals(privateGatewayMac)) { |
| // no updates, do nothing |
| return; |
| } |
| |
| privateGatewayMac = newMac; |
| log.debug("Set service gateway MAC address to {}", privateGatewayMac.toString()); |
| |
| // TODO get existing service list from XOS and replace the loop below |
| Set<String> vNets = Sets.newHashSet(); |
| hostService.getHosts().forEach(host -> vNets.add(host.annotations().value(SERVICE_ID))); |
| vNets.remove(null); |
| |
| vNets.stream().forEach(vNet -> { |
| CordService service = getCordService(CordServiceId.of(vNet)); |
| if (service != null) { |
| arpProxy.addGateway(service.serviceIp(), privateGatewayMac); |
| arpProxy.sendGratuitousArpForGateway(service.serviceIp(), service.hosts().keySet()); |
| } |
| }); |
| } |
| |
| /** |
| * 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.info("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; |
| } |
| |
| 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.submit(() -> serviceVmAdded(host)); |
| break; |
| case HOST_REMOVED: |
| eventExecutor.submit(() -> 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; |
| } |
| } |
| } |
| } |