| /* |
| * Copyright 2016-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; |
| |
| import com.google.common.collect.Sets; |
| import com.jcraft.jsch.Session; |
| 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.IpAddress; |
| import org.onlab.util.ItemNotFoundException; |
| import org.onlab.util.KryoNamespace; |
| 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.net.ConnectPoint; |
| import org.onosproject.net.DefaultAnnotations; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.Port; |
| 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.config.NetworkConfigEvent; |
| import org.onosproject.net.config.NetworkConfigListener; |
| import org.onosproject.net.config.NetworkConfigRegistry; |
| import org.onosproject.net.config.NetworkConfigService; |
| 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.HostService; |
| 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.MapEvent; |
| import org.onosproject.store.service.MapEventListener; |
| import org.onosproject.store.service.Serializer; |
| import org.onosproject.store.service.StorageService; |
| import org.onosproject.store.service.Versioned; |
| import org.slf4j.Logger; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| 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 static com.google.common.base.Preconditions.checkNotNull; |
| import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor; |
| 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; |
| |
| /** |
| * Reads node information from the network config file and handles the config |
| * update events. |
| * Only a leader controller performs the node addition or deletion. |
| */ |
| @Component(immediate = true) |
| @Service(value = CordVtnNodeManager.class) |
| public class CordVtnNodeManager { |
| |
| protected final Logger log = getLogger(getClass()); |
| |
| private static final KryoNamespace.Builder NODE_SERIALIZER = KryoNamespace.newBuilder() |
| .register(KryoNamespaces.API) |
| .register(KryoNamespaces.MISC) |
| .register(CordVtnNode.class) |
| .register(NodeState.class) |
| .register(SshAccessInfo.class) |
| .register(NetworkAddress.class); |
| |
| private static final String DEFAULT_BRIDGE = "br-int"; |
| private static final String DEFAULT_TUNNEL = "vxlan"; |
| private static final String VPORT_PREFIX = "tap"; |
| private static final String OK = "OK"; |
| private static final String NO = "NO"; |
| |
| 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 NetworkConfigRegistry configRegistry; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected NetworkConfigService configService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected StorageService storageService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DeviceAdminService adminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected OvsdbController controller; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected DriverService driverService; |
| |
| @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 LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected GroupService groupService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CordVtnService cordVtnService; |
| |
| private final ExecutorService eventExecutor = |
| newSingleThreadScheduledExecutor(groupedThreads("onos/cordvtncfg", "event-handler")); |
| |
| private final NetworkConfigListener configListener = new InternalConfigListener(); |
| private final DeviceListener deviceListener = new InternalDeviceListener(); |
| private final MapEventListener<String, CordVtnNode> nodeStoreListener = new InternalMapListener(); |
| |
| private final OvsdbHandler ovsdbHandler = new OvsdbHandler(); |
| private final BridgeHandler bridgeHandler = new BridgeHandler(); |
| |
| private ConsistentMap<String, CordVtnNode> nodeStore; |
| private CordVtnRuleInstaller ruleInstaller; |
| private ApplicationId appId; |
| private NodeId localNodeId; |
| |
| private enum NodeState implements CordVtnNodeState { |
| |
| INIT { |
| @Override |
| public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| if (!nodeManager.isOvsdbConnected(node)) { |
| nodeManager.connectOvsdb(node); |
| } else { |
| nodeManager.createIntegrationBridge(node); |
| } |
| } |
| }, |
| BRIDGE_CREATED { |
| @Override |
| public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| if (!nodeManager.isOvsdbConnected(node)) { |
| nodeManager.connectOvsdb(node); |
| } else { |
| nodeManager.createTunnelInterface(node); |
| nodeManager.addDataPlaneInterface(node); |
| } |
| } |
| }, |
| PORTS_ADDED { |
| @Override |
| public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| nodeManager.setIpAddress(node); |
| } |
| }, |
| COMPLETE { |
| @Override |
| public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| nodeManager.postInit(node); |
| } |
| }, |
| INCOMPLETE { |
| @Override |
| public void process(CordVtnNodeManager nodeManager, CordVtnNode node) { |
| } |
| }; |
| |
| public abstract void process(CordVtnNodeManager nodeManager, CordVtnNode node); |
| } |
| |
| @Activate |
| protected void active() { |
| appId = coreService.getAppId(CordVtnService.CORDVTN_APP_ID); |
| localNodeId = clusterService.getLocalNode().id(); |
| leadershipService.runForLeadership(appId.name()); |
| |
| nodeStore = storageService.<String, CordVtnNode>consistentMapBuilder() |
| .withSerializer(Serializer.using(NODE_SERIALIZER.build())) |
| .withName("cordvtn-nodestore") |
| .withApplicationId(appId) |
| .build(); |
| |
| ruleInstaller = new CordVtnRuleInstaller(appId, flowRuleService, |
| deviceService, |
| driverService, |
| groupService, |
| configRegistry, |
| DEFAULT_TUNNEL); |
| |
| nodeStore.addListener(nodeStoreListener); |
| deviceService.addListener(deviceListener); |
| configService.addListener(configListener); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| configService.removeListener(configListener); |
| deviceService.removeListener(deviceListener); |
| |
| nodeStore.removeListener(nodeStoreListener); |
| nodeStore.clear(); |
| |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| } |
| |
| /** |
| * Adds or updates a new node to the service. |
| * |
| * @param node cordvtn node |
| */ |
| public void addOrUpdateNode(CordVtnNode node) { |
| checkNotNull(node); |
| nodeStore.put(node.hostname(), CordVtnNode.getUpdatedNode(node, getNodeState(node))); |
| } |
| |
| /** |
| * Deletes a node from the service. |
| * |
| * @param node cordvtn node |
| */ |
| public void deleteNode(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (isOvsdbConnected(node)) { |
| disconnectOvsdb(node); |
| } |
| |
| nodeStore.remove(node.hostname()); |
| } |
| |
| /** |
| * Initiates node to serve virtual tenant network. |
| * |
| * @param node cordvtn node |
| */ |
| private void initNode(CordVtnNode node) { |
| checkNotNull(node); |
| |
| NodeState state = (NodeState) node.state(); |
| log.debug("Processing node: {} state: {}", node.hostname(), state); |
| |
| state.process(this, node); |
| } |
| |
| /** |
| * Returns node initialization state. |
| * |
| * @param node cordvtn node |
| * @return true if initial node setup is completed, otherwise false |
| */ |
| public boolean isNodeInitComplete(CordVtnNode node) { |
| checkNotNull(node); |
| return nodeStore.containsKey(node.hostname()) && getNodeState(node).equals(NodeState.COMPLETE); |
| } |
| |
| /** |
| * Flush flows installed by cordvtn. |
| */ |
| public void flushRules() { |
| ruleInstaller.flushRules(); |
| } |
| |
| /** |
| * Returns if current node state saved in nodeStore is COMPLETE or not. |
| * |
| * @param node cordvtn node |
| * @return true if it's complete state, otherwise false |
| */ |
| private boolean isNodeStateComplete(CordVtnNode node) { |
| checkNotNull(node); |
| |
| // the state saved in nodeStore can be wrong if IP address settings are changed |
| // after the node init has been completed since there's no way to detect it |
| // getNodeState and checkNodeInitState always return correct answer but can be slow |
| Versioned<CordVtnNode> versionedNode = nodeStore.get(node.hostname()); |
| CordVtnNodeState state = versionedNode.value().state(); |
| return state != null && state.equals(NodeState.COMPLETE); |
| } |
| |
| /** |
| * Returns detailed node initialization state. |
| * |
| * @param node cordvtn node |
| * @return string including detailed node init state |
| */ |
| public String checkNodeInitState(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (!nodeStore.containsKey(node.hostname())) { |
| log.warn("Node {} does not exist, add node first", node.hostname()); |
| return null; |
| } |
| |
| Session session = RemoteIpCommandUtil.connect(node.sshInfo()); |
| if (session == null) { |
| log.debug("Failed to SSH to {}", node.hostname()); |
| return null; |
| } |
| |
| Set<IpAddress> intBrIps = RemoteIpCommandUtil.getCurrentIps(session, DEFAULT_BRIDGE); |
| String result = String.format( |
| "br-int created and connected : %s (%s)%n" + |
| "VXLAN interface created : %s%n" + |
| "Data plane interface added : %s (%s)%n" + |
| "IP flushed from %s : %s%n" + |
| "Data plane IP added to br-int : %s (%s)%n" + |
| "Local management IP added to br-int : %s (%s)", |
| isBrIntCreated(node) ? OK : NO, node.intBrId(), |
| isTunnelIntfCreated(node) ? OK : NO, |
| isDataPlaneIntfAdded(node) ? OK : NO, node.dpIntf(), |
| node.dpIntf(), |
| RemoteIpCommandUtil.getCurrentIps(session, node.dpIntf()).isEmpty() ? OK : NO, |
| intBrIps.contains(node.dpIp().ip()) ? OK : NO, node.dpIp().cidr(), |
| intBrIps.contains(node.localMgmtIp().ip()) ? OK : NO, node.localMgmtIp().cidr()); |
| |
| RemoteIpCommandUtil.disconnect(session); |
| |
| return result; |
| } |
| |
| /** |
| * Returns the number of the nodes known to the service. |
| * |
| * @return number of nodes |
| */ |
| public int getNodeCount() { |
| return nodeStore.size(); |
| } |
| |
| /** |
| * Returns all nodes known to the service. |
| * |
| * @return list of nodes |
| */ |
| public List<CordVtnNode> getNodes() { |
| return nodeStore.values().stream() |
| .map(Versioned::value) |
| .collect(Collectors.toList()); |
| } |
| |
| /** |
| * 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) { |
| return getNodes().stream() |
| .filter(node -> node.ovsdbId().equals(ovsdbId)) |
| .findFirst().orElse(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) { |
| return getNodes().stream() |
| .filter(node -> node.intBrId().equals(bridgeId)) |
| .findFirst().orElse(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.debug("Changed {} state: {}", node.hostname(), newState); |
| nodeStore.put(node.hostname(), CordVtnNode.getUpdatedNode(node, newState)); |
| } |
| |
| /** |
| * Checks current state of a given cordvtn node and returns it. |
| * |
| * @param node cordvtn node |
| * @return node state |
| */ |
| private NodeState getNodeState(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (isBrIntCreated(node) && isTunnelIntfCreated(node) && |
| isDataPlaneIntfAdded(node) && isIpAddressSet(node)) { |
| return NodeState.COMPLETE; |
| } else if (isDataPlaneIntfAdded(node) && isTunnelIntfCreated(node)) { |
| return NodeState.PORTS_ADDED; |
| } else if (isBrIntCreated(node)) { |
| return NodeState.BRIDGE_CREATED; |
| } else { |
| return NodeState.INIT; |
| } |
| } |
| |
| /** |
| * Performs tasks after node initialization. |
| * It disconnects unnecessary OVSDB connection and installs initial flow |
| * rules on the device. |
| * |
| * @param node cordvtn node |
| */ |
| private void postInit(CordVtnNode node) { |
| disconnectOvsdb(node); |
| |
| ruleInstaller.init(node.intBrId(), node.dpIntf(), node.dpIp().ip()); |
| |
| // add existing hosts to the service |
| deviceService.getPorts(node.intBrId()).stream() |
| .filter(port -> getPortName(port).startsWith(VPORT_PREFIX) && |
| port.isEnabled()) |
| .forEach(port -> cordVtnService.addServiceVm(node, getConnectPoint(port))); |
| |
| // remove stale hosts from the service |
| hostService.getHosts().forEach(host -> { |
| Port port = deviceService.getPort(host.location().deviceId(), host.location().port()); |
| if (port == null) { |
| cordVtnService.removeServiceVm(getConnectPoint(host)); |
| } |
| }); |
| |
| log.info("Finished init {}", node.hostname()); |
| } |
| |
| /** |
| * Returns port name. |
| * |
| * @param port port |
| * @return port name |
| */ |
| private String getPortName(Port port) { |
| return port.annotations().value("portName"); |
| } |
| |
| /** |
| * Returns connection state of OVSDB server for a given node. |
| * |
| * @param node cordvtn node |
| * @return true if it is connected, false otherwise |
| */ |
| private boolean isOvsdbConnected(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 connectOvsdb(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (!nodeStore.containsKey(node.hostname())) { |
| log.warn("Node {} does not exist", node.hostname()); |
| return; |
| } |
| |
| if (!isOvsdbConnected(node)) { |
| controller.connect(node.hostMgmtIp().ip(), node.ovsdbPort()); |
| } |
| } |
| |
| /** |
| * Disconnects OVSDB server for a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void disconnectOvsdb(CordVtnNode node) { |
| checkNotNull(node); |
| |
| if (!nodeStore.containsKey(node.hostname())) { |
| log.warn("Node {} does not exist", node.hostname()); |
| return; |
| } |
| |
| if (isOvsdbConnected(node)) { |
| OvsdbClientService ovsdbClient = getOvsdbClient(node); |
| ovsdbClient.disconnect(); |
| } |
| } |
| |
| /** |
| * 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.hostMgmtIp().ip(), node.ovsdbPort().toInt())); |
| if (ovsdbClient == null) { |
| log.trace("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 (isBrIntCreated(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.hostname()); |
| } |
| } |
| |
| /** |
| * Creates tunnel interface to the integration bridge for a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void createTunnelInterface(CordVtnNode node) { |
| if (isTunnelIntfCreated(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.hostname()); |
| } |
| } |
| |
| /** |
| * Adds data plane interface to a given node. |
| * |
| * @param node cordvtn node |
| */ |
| private void addDataPlaneInterface(CordVtnNode node) { |
| if (isDataPlaneIntfAdded(node)) { |
| return; |
| } |
| |
| try { |
| DriverHandler handler = driverService.createHandler(node.ovsdbId()); |
| BridgeConfig bridgeConfig = handler.behaviour(BridgeConfig.class); |
| bridgeConfig.addPort(BridgeName.bridgeName(DEFAULT_BRIDGE), node.dpIntf()); |
| } catch (ItemNotFoundException e) { |
| log.warn("Failed to add {} on {}", node.dpIntf(), node.hostname()); |
| } |
| } |
| |
| /** |
| * Flushes IP address from data plane interface and adds data plane IP address |
| * to integration bridge. |
| * |
| * @param node cordvtn node |
| */ |
| private void setIpAddress(CordVtnNode node) { |
| Session session = RemoteIpCommandUtil.connect(node.sshInfo()); |
| if (session == null) { |
| log.debug("Failed to SSH to {}", node.hostname()); |
| return; |
| } |
| |
| RemoteIpCommandUtil.getCurrentIps(session, DEFAULT_BRIDGE).stream() |
| .filter(ip -> !ip.equals(node.localMgmtIp().ip())) |
| .filter(ip -> !ip.equals(node.dpIp().ip())) |
| .forEach(ip -> RemoteIpCommandUtil.deleteIp(session, ip, DEFAULT_BRIDGE)); |
| |
| boolean result = RemoteIpCommandUtil.flushIp(session, node.dpIntf()) && |
| RemoteIpCommandUtil.setInterfaceUp(session, node.dpIntf()) && |
| RemoteIpCommandUtil.addIp(session, node.dpIp(), DEFAULT_BRIDGE) && |
| RemoteIpCommandUtil.addIp(session, node.localMgmtIp(), DEFAULT_BRIDGE) && |
| RemoteIpCommandUtil.setInterfaceUp(session, DEFAULT_BRIDGE); |
| |
| RemoteIpCommandUtil.disconnect(session); |
| |
| if (result) { |
| setNodeState(node, NodeState.COMPLETE); |
| } |
| } |
| |
| /** |
| * Checks if integration bridge exists and available. |
| * |
| * @param node cordvtn node |
| * @return true if the bridge is available, false otherwise |
| */ |
| private boolean isBrIntCreated(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 isTunnelIntfCreated(CordVtnNode node) { |
| return deviceService.getPorts(node.intBrId()) |
| .stream() |
| .filter(p -> getPortName(p).contains(DEFAULT_TUNNEL) && |
| p.isEnabled()) |
| .findAny().isPresent(); |
| } |
| |
| /** |
| * Checks if data plane interface exists. |
| * |
| * @param node cordvtn node |
| * @return true if the interface exists, false otherwise |
| */ |
| private boolean isDataPlaneIntfAdded(CordVtnNode node) { |
| return deviceService.getPorts(node.intBrId()) |
| .stream() |
| .filter(p -> getPortName(p).contains(node.dpIntf()) && |
| p.isEnabled()) |
| .findAny().isPresent(); |
| } |
| |
| /** |
| * Checks if the IP addresses are correctly set. |
| * |
| * @param node cordvtn node |
| * @return true if the IP is set, false otherwise |
| */ |
| private boolean isIpAddressSet(CordVtnNode node) { |
| Session session = RemoteIpCommandUtil.connect(node.sshInfo()); |
| if (session == null) { |
| log.debug("Failed to SSH to {}", node.hostname()); |
| return false; |
| } |
| |
| Set<IpAddress> intBrIps = RemoteIpCommandUtil.getCurrentIps(session, DEFAULT_BRIDGE); |
| boolean result = RemoteIpCommandUtil.getCurrentIps(session, node.dpIntf()).isEmpty() && |
| RemoteIpCommandUtil.isInterfaceUp(session, node.dpIntf()) && |
| intBrIps.contains(node.dpIp().ip()) && |
| intBrIps.contains(node.localMgmtIp().ip()) && |
| RemoteIpCommandUtil.isInterfaceUp(session, DEFAULT_BRIDGE); |
| |
| RemoteIpCommandUtil.disconnect(session); |
| return result; |
| } |
| |
| /** |
| * Returns connect point of a given port. |
| * |
| * @param port port |
| * @return connect point |
| */ |
| private ConnectPoint getConnectPoint(Port port) { |
| return new ConnectPoint(port.element().id(), port.number()); |
| } |
| |
| /** |
| * Returns connect point of a given host. |
| * |
| * @param host host |
| * @return connect point |
| */ |
| private ConnectPoint getConnectPoint(Host host) { |
| return new ConnectPoint(host.location().deviceId(), host.location().port()); |
| } |
| |
| private class OvsdbHandler implements ConnectionHandler<Device> { |
| |
| @Override |
| public void connected(Device device) { |
| CordVtnNode node = getNodeByOvsdbId(device.id()); |
| if (node != null) { |
| setNodeState(node, getNodeState(node)); |
| } else { |
| log.debug("{} is detected on unregistered node, ignore it.", device.id()); |
| } |
| } |
| |
| @Override |
| public void disconnected(Device device) { |
| if (!deviceService.isAvailable(device.id())) { |
| log.debug("Device {} is disconnected", 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, getNodeState(node)); |
| } else { |
| log.debug("{} is detected on unregistered node, ignore it.", device.id()); |
| } |
| } |
| |
| @Override |
| public void disconnected(Device device) { |
| CordVtnNode node = getNodeByBridgeId(device.id()); |
| if (node != null) { |
| log.debug("Integration Bridge is disconnected from {}", node.hostname()); |
| setNodeState(node, NodeState.INCOMPLETE); |
| } |
| } |
| |
| /** |
| * Handles port added situation. |
| * If the added port is tunnel or data plane interface, proceed to the remaining |
| * node initialization. Otherwise, do nothing. |
| * |
| * @param port port |
| */ |
| public void portAdded(Port port) { |
| CordVtnNode node = getNodeByBridgeId((DeviceId) port.element().id()); |
| String portName = getPortName(port); |
| |
| if (node == null) { |
| log.debug("{} is added to unregistered node, ignore it.", portName); |
| return; |
| } |
| |
| log.info("Port {} is added to {}", portName, node.hostname()); |
| |
| if (portName.startsWith(VPORT_PREFIX)) { |
| if (isNodeStateComplete(node)) { |
| cordVtnService.addServiceVm(node, getConnectPoint(port)); |
| } else { |
| log.debug("VM is detected on incomplete node, ignore it.", portName); |
| } |
| } else if (portName.contains(DEFAULT_TUNNEL) || portName.equals(node.dpIntf())) { |
| setNodeState(node, getNodeState(node)); |
| } |
| } |
| |
| /** |
| * Handles port removed situation. |
| * If the removed port is tunnel or data plane interface, proceed to the remaining |
| * node initialization.Others, do nothing. |
| * |
| * @param port port |
| */ |
| public void portRemoved(Port port) { |
| CordVtnNode node = getNodeByBridgeId((DeviceId) port.element().id()); |
| String portName = getPortName(port); |
| |
| if (node == null) { |
| return; |
| } |
| |
| log.info("Port {} is removed from {}", portName, node.hostname()); |
| |
| if (portName.startsWith(VPORT_PREFIX)) { |
| if (isNodeStateComplete(node)) { |
| cordVtnService.removeServiceVm(getConnectPoint(port)); |
| } else { |
| log.debug("VM is vanished from incomplete node, ignore it.", portName); |
| } |
| } else if (portName.contains(DEFAULT_TUNNEL) || portName.equals(node.dpIntf())) { |
| setNodeState(node, NodeState.INCOMPLETE); |
| } |
| } |
| } |
| |
| private class InternalDeviceListener implements DeviceListener { |
| |
| @Override |
| public void event(DeviceEvent event) { |
| |
| NodeId leaderNodeId = leadershipService.getLeader(appId.name()); |
| if (!Objects.equals(localNodeId, leaderNodeId)) { |
| // do not allow to proceed without leadership |
| return; |
| } |
| |
| Device device = event.subject(); |
| ConnectionHandler<Device> handler = |
| (device.type().equals(SWITCH) ? bridgeHandler : ovsdbHandler); |
| |
| switch (event.type()) { |
| case PORT_ADDED: |
| eventExecutor.execute(() -> bridgeHandler.portAdded(event.port())); |
| break; |
| case PORT_UPDATED: |
| if (!event.port().isEnabled()) { |
| eventExecutor.execute(() -> bridgeHandler.portRemoved(event.port())); |
| } |
| break; |
| case DEVICE_ADDED: |
| case DEVICE_AVAILABILITY_CHANGED: |
| if (deviceService.isAvailable(device.id())) { |
| eventExecutor.execute(() -> handler.connected(device)); |
| } else { |
| eventExecutor.execute(() -> handler.disconnected(device)); |
| } |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Reads cordvtn nodes from config file. |
| */ |
| private void readConfiguration() { |
| CordVtnConfig config = configRegistry.getConfig(appId, CordVtnConfig.class); |
| if (config == null) { |
| log.debug("No configuration found"); |
| return; |
| } |
| |
| config.cordVtnNodes().forEach(this::addOrUpdateNode); |
| } |
| |
| private class InternalConfigListener implements NetworkConfigListener { |
| |
| @Override |
| public void event(NetworkConfigEvent event) { |
| NodeId leaderNodeId = leadershipService.getLeader(appId.name()); |
| if (!Objects.equals(localNodeId, leaderNodeId)) { |
| // do not allow to proceed without leadership |
| return; |
| } |
| |
| if (!event.configClass().equals(CordVtnConfig.class)) { |
| return; |
| } |
| |
| switch (event.type()) { |
| case CONFIG_ADDED: |
| case CONFIG_UPDATED: |
| eventExecutor.execute(CordVtnNodeManager.this::readConfiguration); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| |
| private class InternalMapListener implements MapEventListener<String, CordVtnNode> { |
| |
| @Override |
| public void event(MapEvent<String, CordVtnNode> event) { |
| NodeId leaderNodeId = leadershipService.getLeader(appId.name()); |
| if (!Objects.equals(localNodeId, leaderNodeId)) { |
| // do not allow to proceed without leadership |
| return; |
| } |
| |
| CordVtnNode oldNode; |
| CordVtnNode newNode; |
| |
| switch (event.type()) { |
| case UPDATE: |
| oldNode = event.oldValue().value(); |
| newNode = event.newValue().value(); |
| |
| if (!newNode.equals(oldNode)) { |
| log.info("{} has been updated", newNode.hostname()); |
| log.debug("New node: {}", newNode); |
| } |
| // perform init procedure based on current state on any updates, |
| // insert, or even if the node is the same for robustness since |
| // it's no harm to run the init procedure multiple times |
| eventExecutor.execute(() -> initNode(newNode)); |
| break; |
| case INSERT: |
| newNode = event.newValue().value(); |
| log.info("Added {}", newNode.hostname()); |
| eventExecutor.execute(() -> initNode(newNode)); |
| break; |
| case REMOVE: |
| oldNode = event.oldValue().value(); |
| log.info("{} is removed", oldNode.hostname()); |
| break; |
| default: |
| break; |
| } |
| } |
| } |
| } |