| /* |
| * 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.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.util.ItemNotFoundException; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.util.KryoNamespace; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.HostId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.behaviour.BridgeConfig; |
| import org.onosproject.net.behaviour.BridgeName; |
| import org.onosproject.net.behaviour.ControllerInfo; |
| import org.onosproject.net.behaviour.DefaultTunnelDescription; |
| import org.onosproject.net.behaviour.TunnelConfig; |
| import org.onosproject.net.behaviour.TunnelDescription; |
| import org.onosproject.net.behaviour.TunnelName; |
| import org.onosproject.net.device.DeviceAdminService; |
| import org.onosproject.net.device.DeviceEvent; |
| import org.onosproject.net.device.DeviceListener; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.DriverHandler; |
| import org.onosproject.net.driver.DriverService; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.group.GroupService; |
| import org.onosproject.net.host.HostEvent; |
| import org.onosproject.net.host.HostListener; |
| 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.openstackswitching.OpenstackNetwork; |
| import org.onosproject.openstackswitching.OpenstackPort; |
| import org.onosproject.openstackswitching.OpenstackSubnet; |
| import org.onosproject.openstackswitching.OpenstackSwitchingService; |
| import org.onosproject.ovsdb.controller.OvsdbClientService; |
| import org.onosproject.ovsdb.controller.OvsdbController; |
| import org.onosproject.ovsdb.controller.OvsdbNodeId; |
| import org.onosproject.store.serializers.KryoNamespaces; |
| import org.onosproject.store.service.ConsistentMap; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.NoSuchElementException; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.net.Device.Type.SWITCH; |
| import static org.onosproject.net.behaviour.TunnelDescription.Type.VXLAN; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Provisions virtual tenant networks with service chaining capability |
| * in OpenStack environment. |
| */ |
| @Component(immediate = true) |
| @Service |
| public class CordVtn implements CordVtnService { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| private static final int NUM_THREADS = 1; |
| private static final KryoNamespace.Builder NODE_SERIALIZER = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(CordVtnNode.class) |
| .register(NodeState.class); |
| private static final String DEFAULT_BRIDGE = "br-int"; |
| private static final String VPORT_PREFIX = "tap"; |
| private static final String DEFAULT_TUNNEL = "vxlan"; |
| private static final Map<String, String> DEFAULT_TUNNEL_OPTIONS = new HashMap<String, String>() { |
| { |
| put("key", "flow"); |
| put("remote_ip", "flow"); |
| } |
| }; |
| private static final int DPID_BEGIN = 3; |
| private static final int OFPORT = 6653; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| @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 DeviceAdminService adminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowRuleService flowRuleService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected PacketService packetService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OvsdbController controller; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected GroupService groupService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OpenstackSwitchingService openstackService; |
| |
| private final ExecutorService eventExecutor = Executors |
| .newFixedThreadPool(NUM_THREADS, groupedThreads("onos/cordvtn", "event-handler")); |
| |
| private final DeviceListener deviceListener = new InternalDeviceListener(); |
| private final HostListener hostListener = new InternalHostListener(); |
| private final PacketProcessor packetProcessor = new InternalPacketProcessor(); |
| |
| private final OvsdbHandler ovsdbHandler = new OvsdbHandler(); |
| private final BridgeHandler bridgeHandler = new BridgeHandler(); |
| private final VmHandler vmHandler = new VmHandler(); |
| |
| private ApplicationId appId; |
| private ConsistentMap<CordVtnNode, NodeState> nodeStore; |
| private Map<HostId, OpenstackNetwork> hostNetMap = Maps.newHashMap(); |
| private CordVtnRuleInstaller ruleInstaller; |
| private CordVtnArpProxy arpProxy; |
| |
| private enum NodeState { |
| |
| INIT { |
| @Override |
| public void process(CordVtn cordVtn, CordVtnNode node) { |
| cordVtn.connect(node); |
| } |
| }, |
| OVSDB_CONNECTED { |
| @Override |
| public void process(CordVtn cordVtn, CordVtnNode node) { |
| if (!cordVtn.getOvsdbConnectionState(node)) { |
| cordVtn.connect(node); |
| } else { |
| cordVtn.createIntegrationBridge(node); |
| } |
| } |
| }, |
| BRIDGE_CREATED { |
| @Override |
| public void process(CordVtn cordVtn, CordVtnNode node) { |
| if (!cordVtn.getOvsdbConnectionState(node)) { |
| cordVtn.connect(node); |
| } else { |
| cordVtn.createTunnelInterface(node); |
| } |
| } |
| }, |
| COMPLETE { |
| @Override |
| public void process(CordVtn cordVtn, CordVtnNode node) { |
| cordVtn.postInit(node); |
| } |
| }, |
| INCOMPLETE { |
| @Override |
| public void process(CordVtn cordVtn, CordVtnNode node) { |
| } |
| }; |
| |
| public abstract void process(CordVtn cordVtn, CordVtnNode node); |
| } |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication("org.onosproject.cordvtn"); |
| nodeStore = storageService.<CordVtnNode, NodeState>consistentMapBuilder() |
| .withSerializer(Serializer.using(NODE_SERIALIZER.build())) |
| .withName("cordvtn-nodestore") |
| .withApplicationId(appId) |
| .build(); |
| |
| ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService, |
| deviceService, |
| driverService, |
| groupService, |
| mastershipService, |
| DEFAULT_TUNNEL); |
| |
| arpProxy = new CordVtnArpProxy(appId, packetService); |
| packetService.addProcessor(packetProcessor, PacketProcessor.director(0)); |
| arpProxy.requestPacket(); |
| |
| deviceService.addListener(deviceListener); |
| hostService.addListener(hostListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| deviceService.removeListener(deviceListener); |
| hostService.removeListener(hostListener); |
| packetService.removeProcessor(packetProcessor); |
| |
| eventExecutor.shutdown(); |
| nodeStore.clear(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void addNode(CordVtnNode node) { |
| checkNotNull(node); |
| |
| nodeStore.putIfAbsent(node, checkNodeState(node)); |
| initNode(node); |
| } |
| |
| @Override |
| public void deleteNode(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (getOvsdbConnectionState(node)) { |
| disconnect(node); |
| } |
| |
| nodeStore.remove(node); |
| } |
| |
| @Override |
| public int getNodeCount() { |
| return nodeStore.size(); |
| } |
| |
| @Override |
| public List<CordVtnNode> getNodes() { |
| List<CordVtnNode> nodes = new ArrayList<>(); |
| nodes.addAll(nodeStore.keySet()); |
| return nodes; |
| } |
| |
| @Override |
| public void initNode(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (!nodeStore.containsKey(node)) { |
| log.warn("Node {} does not exist, add node first", node.hostname()); |
| return; |
| } |
| |
| NodeState state = checkNodeState(node); |
| state.process(this, node); |
| } |
| |
| @Override |
| public boolean getNodeInitState(CordVtnNode node) { |
| checkNotNull(node); |
| |
| NodeState state = getNodeState(node); |
| return state != null && state.equals(NodeState.COMPLETE); |
| } |
| |
| @Override |
| public void createServiceDependency(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; |
| } |
| |
| ruleInstaller.populateServiceDependencyRules(tService, pService); |
| } |
| |
| @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; |
| } |
| |
| ruleInstaller.removeServiceDependencyRules(tService, pService); |
| } |
| |
| /** |
| * Returns state of a given cordvtn node. |
| * |
| * @param node cordvtn node |
| * @return node state, or null if no such node exists |
| */ |
| private NodeState getNodeState(CordVtnNode node) { |
| checkNotNull(node); |
| |
| try { |
| return nodeStore.get(node).value(); |
| } catch (NullPointerException e) { |
| log.error("Failed to get state of {}", node.hostname()); |
| return null; |
| } |
| } |
| |
| /** |
| * Sets a new state for a given cordvtn node. |
| * |
| * @param node cordvtn node |
| * @param newState new node state |
| */ |
| private void setNodeState(CordVtnNode node, NodeState newState) { |
| checkNotNull(node); |
| |
| log.info("Changed {} state: {}", node.hostname(), newState.toString()); |
| |
| nodeStore.put(node, newState); |
| newState.process(this, node); |
| } |
| |
| /** |
| * Checks current state of a given cordvtn node and returns it. |
| * |
| * @param node cordvtn node |
| * @return node state |
| */ |
| private NodeState checkNodeState(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (checkIntegrationBridge(node) && checkTunnelInterface(node)) { |
| return NodeState.COMPLETE; |
| } else if (checkIntegrationBridge(node)) { |
| return NodeState.BRIDGE_CREATED; |
| } else if (getOvsdbConnectionState(node)) { |
| return NodeState.OVSDB_CONNECTED; |
| } else { |
| return NodeState.INIT; |
| } |
| } |
| |
| /** |
| * Performs tasks after node initialization. |
| * First disconnect unnecessary OVSDB connection and then installs flow rules |
| * for existing VMs if there are any. |
| * |
| * @param node cordvtn node |
| */ |
| private void postInit(CordVtnNode node) { |
| disconnect(node); |
| |
| ruleInstaller.init(node.intBrId(), getTunnelPort(node.intBrId())); |
| hostService.getConnectedHosts(node.intBrId()) |
| .stream() |
| .forEach(vmHandler::connected); |
| |
| log.info("Finished initializing {}", node.hostname()); |
| } |
| |
| /** |
| * Returns connection state of OVSDB server for a given node. |
| * |
| * @param node cordvtn node |
| * @return true if it is connected, false otherwise |
| */ |
| private boolean getOvsdbConnectionState(CordVtnNode node) { |
| checkNotNull(node); |
| |
| OvsdbClientService ovsdbClient = getOvsdbClient(node); |
| return deviceService.isAvailable(node.ovsdbId()) && |
| ovsdbClient != null && ovsdbClient.isConnected(); |
| } |
| |
| /** |
| * Connects to OVSDB server for a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void connect(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (!nodeStore.containsKey(node)) { |
| log.warn("Node {} does not exist", node.hostname()); |
| return; |
| } |
| |
| if (!getOvsdbConnectionState(node)) { |
| controller.connect(node.ovsdbIp(), node.ovsdbPort()); |
| } |
| } |
| |
| /** |
| * Disconnects OVSDB server for a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void disconnect(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (!nodeStore.containsKey(node)) { |
| log.warn("Node {} does not exist", node.hostname()); |
| return; |
| } |
| |
| if (getOvsdbConnectionState(node)) { |
| OvsdbClientService ovsdbClient = getOvsdbClient(node); |
| ovsdbClient.disconnect(); |
| } |
| } |
| |
| /** |
| * Returns cordvtn node associated with a given OVSDB device. |
| * |
| * @param ovsdbId OVSDB device id |
| * @return cordvtn node, null if it fails to find the node |
| */ |
| private CordVtnNode getNodeByOvsdbId(DeviceId ovsdbId) { |
| try { |
| return getNodes().stream() |
| .filter(node -> node.ovsdbId().equals(ovsdbId)) |
| .findFirst().get(); |
| } catch (NoSuchElementException e) { |
| log.debug("Couldn't find node information for {}", ovsdbId); |
| return null; |
| } |
| } |
| |
| /** |
| * Returns cordvtn node associated with a given integration bridge. |
| * |
| * @param bridgeId device id of integration bridge |
| * @return cordvtn node, null if it fails to find the node |
| */ |
| private CordVtnNode getNodeByBridgeId(DeviceId bridgeId) { |
| try { |
| return getNodes().stream() |
| .filter(node -> node.intBrId().equals(bridgeId)) |
| .findFirst().get(); |
| } catch (NoSuchElementException e) { |
| log.debug("Couldn't find node information for {}", bridgeId); |
| return null; |
| } |
| } |
| |
| /** |
| * Returns OVSDB client for a given node. |
| * |
| * @param node cordvtn node |
| * @return OVSDB client, or null if it fails to get OVSDB client |
| */ |
| private OvsdbClientService getOvsdbClient(CordVtnNode node) { |
| checkNotNull(node); |
| |
| OvsdbClientService ovsdbClient = controller.getOvsdbClient( |
| new OvsdbNodeId(node.ovsdbIp(), node.ovsdbPort().toInt())); |
| if (ovsdbClient == null) { |
| log.debug("Couldn't find OVSDB client for {}", node.hostname()); |
| } |
| return ovsdbClient; |
| } |
| |
| /** |
| * Creates an integration bridge for a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void createIntegrationBridge(CordVtnNode node) { |
| if (checkIntegrationBridge(node)) { |
| return; |
| } |
| |
| List<ControllerInfo> controllers = new ArrayList<>(); |
| Sets.newHashSet(clusterService.getNodes()).stream() |
| .forEach(controller -> { |
| ControllerInfo ctrlInfo = new ControllerInfo(controller.ip(), OFPORT, "tcp"); |
| controllers.add(ctrlInfo); |
| }); |
| String dpid = node.intBrId().toString().substring(DPID_BEGIN); |
| |
| try { |
| DriverHandler handler = driverService.createHandler(node.ovsdbId()); |
| BridgeConfig bridgeConfig = handler.behaviour(BridgeConfig.class); |
| bridgeConfig.addBridge(BridgeName.bridgeName(DEFAULT_BRIDGE), dpid, controllers); |
| } catch (ItemNotFoundException e) { |
| log.warn("Failed to create integration bridge on {}", node.ovsdbId()); |
| } |
| } |
| |
| /** |
| * Creates tunnel interface to the integration bridge for a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void createTunnelInterface(CordVtnNode node) { |
| if (checkTunnelInterface(node)) { |
| return; |
| } |
| |
| DefaultAnnotations.Builder optionBuilder = DefaultAnnotations.builder(); |
| for (String key : DEFAULT_TUNNEL_OPTIONS.keySet()) { |
| optionBuilder.set(key, DEFAULT_TUNNEL_OPTIONS.get(key)); |
| } |
| TunnelDescription description = |
| new DefaultTunnelDescription(null, null, VXLAN, TunnelName.tunnelName(DEFAULT_TUNNEL), |
| optionBuilder.build()); |
| try { |
| DriverHandler handler = driverService.createHandler(node.ovsdbId()); |
| TunnelConfig tunnelConfig = handler.behaviour(TunnelConfig.class); |
| tunnelConfig.createTunnelInterface(BridgeName.bridgeName(DEFAULT_BRIDGE), description); |
| } catch (ItemNotFoundException e) { |
| log.warn("Failed to create tunnel interface on {}", node.ovsdbId()); |
| } |
| } |
| |
| /** |
| * Checks if integration bridge exists and available. |
| * |
| * @param node cordvtn node |
| * @return true if the bridge is available, false otherwise |
| */ |
| private boolean checkIntegrationBridge(CordVtnNode node) { |
| return (deviceService.getDevice(node.intBrId()) != null |
| && deviceService.isAvailable(node.intBrId())); |
| } |
| |
| /** |
| * Checks if tunnel interface exists. |
| * |
| * @param node cordvtn node |
| * @return true if the interface exists, false otherwise |
| */ |
| private boolean checkTunnelInterface(CordVtnNode node) { |
| try { |
| deviceService.getPorts(node.intBrId()) |
| .stream() |
| .filter(p -> p.annotations().value("portName").contains(DEFAULT_TUNNEL) |
| && p.isEnabled()) |
| .findAny().get(); |
| return true; |
| } catch (NoSuchElementException e) { |
| return false; |
| } |
| } |
| |
| /** |
| * Returns tunnel port of the device. |
| * |
| * @param bridgeId device id |
| * @return port number, null if no tunnel port exists on a given device |
| */ |
| private PortNumber getTunnelPort(DeviceId bridgeId) { |
| try { |
| return deviceService.getPorts(bridgeId).stream() |
| .filter(p -> p.annotations().value("portName").contains(DEFAULT_TUNNEL) |
| && p.isEnabled()) |
| .findFirst().get().number(); |
| } catch (NoSuchElementException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns remote ip address for tunneling. |
| * |
| * @param bridgeId device id |
| * @return ip address, null if no such device exists |
| */ |
| private Ip4Address getRemoteIp(DeviceId bridgeId) { |
| CordVtnNode node = getNodeByBridgeId(bridgeId); |
| if (node != null) { |
| // TODO get data plane IP for tunneling |
| return node.ovsdbIp().getIp4Address(); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns OpenStack port associated with a given host. |
| * |
| * @param host host |
| * @return OpenStack port, or null if no port has been found |
| */ |
| private OpenstackPort getOpenstackPortByHost(Host host) { |
| Port port = deviceService.getPort(host.location().deviceId(), |
| host.location().port()); |
| if (port == null) { |
| log.debug("Failed to get port for {}", host.id()); |
| return null; |
| } |
| return openstackService.port(port); |
| } |
| |
| /** |
| * Returns OpenStack network associated with a given host. |
| * |
| * @param host host |
| * @return OpenStack network, or null if no network has been found |
| */ |
| private OpenstackNetwork getOpenstackNetworkByHost(Host host) { |
| OpenstackPort vPort = getOpenstackPortByHost(host); |
| if (vPort != null) { |
| return openstackService.network(vPort.networkId()); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Returns hosts associated with a given OpenStack network. |
| * |
| * @param vNet openstack network |
| * @return set of hosts |
| */ |
| private Set<Host> getHostsWithOpenstackNetwork(OpenstackNetwork vNet) { |
| checkNotNull(vNet); |
| |
| Set<Host> hosts = openstackService.ports(vNet.id()).stream() |
| .filter(port -> port.deviceOwner().contains("compute")) |
| .map(port -> hostService.getHostsByMac(port.macAddress()) |
| .stream() |
| .findFirst() |
| .orElse(null)) |
| .collect(Collectors.toSet()); |
| |
| hosts.remove(null); |
| return hosts; |
| } |
| |
| /** |
| * Returns host IP assigned by OpenStack. |
| * |
| * @param host host |
| * @return IPv4 prefix, or null if it fails to get IP from OpenStack |
| */ |
| private IpAddress getHostIpFromOpenstack(Host host) { |
| OpenstackPort vPort = getOpenstackPortByHost(host); |
| |
| if (vPort == null || vPort.fixedIps().isEmpty()) { |
| log.error("Failed to get VM IP for {}", host.id()); |
| return null; |
| } |
| // Assumes there's only one fixed IP is assigned to a port |
| return (Ip4Address) vPort.fixedIps().values() |
| .stream() |
| .findFirst() |
| .orElse(null); |
| } |
| |
| /** |
| * Returns port name with OpenStack port information. |
| * |
| * @param vPort OpenStack port |
| * @return port name |
| */ |
| private String getPortName(OpenstackPort vPort) { |
| checkNotNull(vPort); |
| return VPORT_PREFIX + vPort.id().substring(0, 10); |
| } |
| |
| /** |
| * Returns if the host is VM or not. |
| * |
| * @param host host |
| * @return true if the host is a VM. |
| */ |
| private boolean isVm(Host host) { |
| Port port = deviceService.getPort(host.location().deviceId(), |
| host.location().port()); |
| return port.annotations().value("portName").contains(VPORT_PREFIX); |
| } |
| |
| /** |
| * 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, |
| host -> getRemoteIp(host.location().deviceId()))); |
| |
| 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, |
| host -> getRemoteIp(host.location().deviceId()))); |
| |
| return new CordService(vNet, subnet, hosts, tServices); |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| |
| @Override |
| public void event(DeviceEvent event) { |
| |
| Device device = event.subject(); |
| ConnectionHandler<Device> handler = |
| (device.type().equals(SWITCH) ? bridgeHandler : ovsdbHandler); |
| |
| switch (event.type()) { |
| case PORT_ADDED: |
| eventExecutor.submit(() -> bridgeHandler.portAdded(event.port())); |
| break; |
| case PORT_UPDATED: |
| if (!event.port().isEnabled()) { |
| eventExecutor.submit(() -> bridgeHandler.portRemoved(event.port())); |
| } |
| break; |
| case DEVICE_ADDED: |
| case DEVICE_AVAILABILITY_CHANGED: |
| if (deviceService.isAvailable(device.id())) { |
| eventExecutor.submit(() -> handler.connected(device)); |
| } else { |
| eventExecutor.submit(() -> handler.disconnected(device)); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class InternalHostListener implements HostListener { |
| |
| @Override |
| public void event(HostEvent event) { |
| Host vm = event.subject(); |
| |
| switch (event.type()) { |
| case HOST_ADDED: |
| eventExecutor.submit(() -> vmHandler.connected(vm)); |
| break; |
| case HOST_REMOVED: |
| eventExecutor.submit(() -> vmHandler.disconnected(vm)); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class OvsdbHandler implements ConnectionHandler<Device> { |
| |
| @Override |
| public void connected(Device device) { |
| CordVtnNode node = getNodeByOvsdbId(device.id()); |
| if (node != null) { |
| setNodeState(node, checkNodeState(node)); |
| } |
| } |
| |
| @Override |
| public void disconnected(Device device) { |
| if (!deviceService.isAvailable(device.id())) { |
| adminService.removeDevice(device.id()); |
| } |
| } |
| } |
| |
| private class BridgeHandler implements ConnectionHandler<Device> { |
| |
| @Override |
| public void connected(Device device) { |
| CordVtnNode node = getNodeByBridgeId(device.id()); |
| if (node != null) { |
| setNodeState(node, checkNodeState(node)); |
| } |
| } |
| |
| @Override |
| public void disconnected(Device device) { |
| CordVtnNode node = getNodeByBridgeId(device.id()); |
| if (node != null) { |
| log.info("Integration Bridge is disconnected from {}", node.hostname()); |
| setNodeState(node, NodeState.INCOMPLETE); |
| } |
| } |
| |
| /** |
| * Handles port added situation. |
| * If the added port is tunnel port, proceed remaining node initialization. |
| * Otherwise, do nothing. |
| * |
| * @param port port |
| */ |
| public void portAdded(Port port) { |
| // TODO add host by updating network config |
| if (!port.annotations().value("portName").contains(DEFAULT_TUNNEL)) { |
| return; |
| } |
| |
| CordVtnNode node = getNodeByBridgeId((DeviceId) port.element().id()); |
| if (node != null) { |
| setNodeState(node, checkNodeState(node)); |
| } |
| } |
| |
| /** |
| * Handles port removed situation. |
| * If the removed port is tunnel port, proceed remaining node initialization. |
| * Others, do nothing. |
| * |
| * @param port port |
| */ |
| public void portRemoved(Port port) { |
| // TODO remove host by updating network config |
| if (!port.annotations().value("portName").contains(DEFAULT_TUNNEL)) { |
| return; |
| } |
| |
| CordVtnNode node = getNodeByBridgeId((DeviceId) port.element().id()); |
| if (node != null) { |
| log.info("Tunnel interface is removed from {}", node.hostname()); |
| setNodeState(node, NodeState.INCOMPLETE); |
| } |
| } |
| } |
| |
| private class VmHandler implements ConnectionHandler<Host> { |
| |
| @Override |
| public void connected(Host host) { |
| // TODO remove check VM here after applying network config host provider |
| if (!isVm(host)) { |
| log.debug("Host {} is not a VM, ignore it.", host.id()); |
| return; |
| } |
| |
| CordVtnNode node = getNodeByBridgeId(host.location().deviceId()); |
| if (node == null || !Objects.equals(getNodeState(node), NodeState.COMPLETE)) { |
| log.debug("VM {} is detected unknown or incomplete device, ignore it.", host.id()); |
| return; |
| } |
| |
| OpenstackNetwork vNet = getOpenstackNetworkByHost(host); |
| if (vNet == null) { |
| log.debug("Failed to get OpenStack network for VM {}, ignore it.", host.id()); |
| return; |
| } |
| |
| // TODO host ip should be set in host information after applying network config host provider |
| IpAddress hostIp = getHostIpFromOpenstack(host); |
| if (hostIp == null) { |
| log.debug("Failed to get host IP of {}, ignore it.", host.id()); |
| return; |
| } |
| |
| log.info("VM {} is detected", host.id()); |
| hostNetMap.put(host.id(), vNet); |
| |
| CordService service = getCordService(vNet); |
| if (service != null) { |
| // TODO check if the service needs an update on its group buckets after done CORD-433 |
| ruleInstaller.updateServiceGroup(service); |
| arpProxy.addServiceIp(service.serviceIp()); |
| } |
| |
| ruleInstaller.populateBasicConnectionRules( |
| host, |
| hostIp, |
| checkNotNull(getRemoteIp(host.location().deviceId())).getIp4Address(), |
| vNet); |
| } |
| |
| @Override |
| public void disconnected(Host host) { |
| CordVtnNode node = getNodeByBridgeId(host.location().deviceId()); |
| if (node == null || !Objects.equals(getNodeState(node), NodeState.COMPLETE)) { |
| // do nothing for the host on unregistered or unprepared device |
| return; |
| } |
| |
| OpenstackNetwork vNet = hostNetMap.get(host.id()); |
| if (vNet == null) { |
| return; |
| } |
| |
| log.info("VM {} is vanished", host.id()); |
| ruleInstaller.removeBasicConnectionRules(host); |
| |
| CordService service = getCordService(vNet); |
| if (service != null) { |
| // TODO check if the service needs an update on its group buckets after done CORD-433 |
| ruleInstaller.updateServiceGroup(service); |
| |
| if (getHostsWithOpenstackNetwork(vNet).isEmpty()) { |
| arpProxy.removeServiceIp(service.serviceIp()); |
| } |
| } |
| |
| hostNetMap.remove(host.id()); |
| } |
| } |
| |
| private class InternalPacketProcessor implements PacketProcessor { |
| |
| @Override |
| public void process(PacketContext context) { |
| if (context.isHandled()) { |
| return; |
| } |
| |
| Ethernet ethPacket = context.inPacket().parsed(); |
| if (ethPacket == null) { |
| return; |
| } |
| |
| if (ethPacket.getEtherType() != Ethernet.TYPE_ARP) { |
| return; |
| } |
| |
| arpProxy.processArpPacket(context, ethPacket); |
| } |
| } |
| } |