| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.k8snode.impl; |
| |
| import org.onlab.util.Tools; |
| import org.onosproject.cfg.ComponentConfigService; |
| 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.k8snode.api.K8sApiConfigService; |
| import org.onosproject.k8snode.api.K8sNode; |
| import org.onosproject.k8snode.api.K8sNodeAdminService; |
| import org.onosproject.k8snode.api.K8sNodeEvent; |
| import org.onosproject.k8snode.api.K8sNodeHandler; |
| import org.onosproject.k8snode.api.K8sNodeListener; |
| import org.onosproject.k8snode.api.K8sNodeService; |
| import org.onosproject.k8snode.api.K8sNodeState; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.Port; |
| import org.onosproject.net.behaviour.BridgeConfig; |
| import org.onosproject.net.behaviour.BridgeDescription; |
| import org.onosproject.net.behaviour.ControllerInfo; |
| import org.onosproject.net.behaviour.DefaultBridgeDescription; |
| import org.onosproject.net.behaviour.DefaultPatchDescription; |
| import org.onosproject.net.behaviour.DefaultTunnelDescription; |
| import org.onosproject.net.behaviour.InterfaceConfig; |
| import org.onosproject.net.behaviour.PatchDescription; |
| import org.onosproject.net.behaviour.TunnelDescription; |
| import org.onosproject.net.behaviour.TunnelEndPoints; |
| import org.onosproject.net.behaviour.TunnelKey; |
| 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.ovsdb.controller.OvsdbClientService; |
| import org.onosproject.ovsdb.controller.OvsdbController; |
| import org.osgi.service.component.ComponentContext; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Modified; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Dictionary; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.concurrent.ExecutorService; |
| import java.util.stream.Collectors; |
| |
| import static java.lang.Thread.sleep; |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.packet.TpPort.tpPort; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.k8snode.api.Constants.GENEVE; |
| import static org.onosproject.k8snode.api.Constants.GRE; |
| import static org.onosproject.k8snode.api.Constants.VXLAN; |
| import static org.onosproject.k8snode.api.K8sApiConfig.Mode.NORMAL; |
| import static org.onosproject.k8snode.api.K8sNodeService.APP_ID; |
| import static org.onosproject.k8snode.api.K8sNodeState.COMPLETE; |
| import static org.onosproject.k8snode.api.K8sNodeState.DEVICE_CREATED; |
| import static org.onosproject.k8snode.api.K8sNodeState.INCOMPLETE; |
| import static org.onosproject.k8snode.impl.OsgiPropertyConstants.AUTO_RECOVERY; |
| import static org.onosproject.k8snode.impl.OsgiPropertyConstants.AUTO_RECOVERY_DEFAULT; |
| import static org.onosproject.k8snode.impl.OsgiPropertyConstants.OVSDB_PORT; |
| import static org.onosproject.k8snode.impl.OsgiPropertyConstants.OVSDB_PORT_NUM_DEFAULT; |
| import static org.onosproject.k8snode.util.K8sNodeUtil.getBooleanProperty; |
| import static org.onosproject.k8snode.util.K8sNodeUtil.getOvsdbClient; |
| import static org.onosproject.k8snode.util.K8sNodeUtil.isOvsdbConnected; |
| import static org.onosproject.net.AnnotationKeys.PORT_NAME; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| |
| /** |
| * Service bootstraps kubernetes node based on its type. |
| */ |
| @Component(immediate = true, |
| property = { |
| OVSDB_PORT + ":Integer=" + OVSDB_PORT_NUM_DEFAULT, |
| AUTO_RECOVERY + ":Boolean=" + AUTO_RECOVERY_DEFAULT |
| } |
| ) |
| public class DefaultK8sNodeHandler implements K8sNodeHandler { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String DEFAULT_OF_PROTO = "tcp"; |
| private static final int DEFAULT_OFPORT = 6653; |
| private static final int DPID_BEGIN = 3; |
| private static final long SLEEP_MS = 3000; // we wait 3s |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceAdminService deviceAdminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected OvsdbController ovsdbController; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sApiConfigService k8sApiConfigService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sNodeService k8sNodeService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sNodeAdminService k8sNodeAdminService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ComponentConfigService componentConfigService; |
| |
| /** OVSDB server listen port. */ |
| private int ovsdbPortNum = OVSDB_PORT_NUM_DEFAULT; |
| |
| /** Indicates whether auto-recover kubernetes node status on switch re-conn event. */ |
| private boolean autoRecovery = AUTO_RECOVERY_DEFAULT; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| |
| private final DeviceListener ovsdbListener = new InternalOvsdbListener(); |
| private final DeviceListener bridgeListener = new InternalBridgeListener(); |
| private final K8sNodeListener k8sNodeListener = new InternalK8sNodeListener(); |
| |
| private ApplicationId appId; |
| private NodeId localNode; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.getAppId(APP_ID); |
| localNode = clusterService.getLocalNode().id(); |
| |
| componentConfigService.registerProperties(getClass()); |
| leadershipService.runForLeadership(appId.name()); |
| deviceService.addListener(ovsdbListener); |
| deviceService.addListener(bridgeListener); |
| k8sNodeService.addListener(k8sNodeListener); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| k8sNodeService.removeListener(k8sNodeListener); |
| deviceService.removeListener(bridgeListener); |
| deviceService.removeListener(ovsdbListener); |
| componentConfigService.unregisterProperties(getClass(), false); |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Modified |
| protected void modified(ComponentContext context) { |
| readComponentConfiguration(context); |
| |
| log.info("Modified"); |
| } |
| |
| @Override |
| public void processInitState(K8sNode k8sNode) { |
| if (!isOvsdbConnected(k8sNode, ovsdbPortNum, ovsdbController, deviceService)) { |
| ovsdbController.connect(k8sNode.managementIp(), tpPort(ovsdbPortNum)); |
| return; |
| } |
| if (!deviceService.isAvailable(k8sNode.intgBridge())) { |
| createBridge(k8sNode, k8sNode.intgBridgeName(), k8sNode.intgBridge()); |
| } |
| if (!deviceService.isAvailable(k8sNode.extBridge())) { |
| createBridge(k8sNode, k8sNode.extBridgeName(), k8sNode.extBridge()); |
| } |
| if (!deviceService.isAvailable(k8sNode.localBridge())) { |
| createBridge(k8sNode, k8sNode.localBridgeName(), k8sNode.localBridge()); |
| } |
| |
| if (k8sNode.mode() == NORMAL) { |
| if (!deviceService.isAvailable(k8sNode.tunBridge())) { |
| createBridge(k8sNode, k8sNode.tunBridgeName(), k8sNode.tunBridge()); |
| } |
| } |
| } |
| |
| @Override |
| public void processDeviceCreatedState(K8sNode k8sNode) { |
| try { |
| if (!isOvsdbConnected(k8sNode, ovsdbPortNum, ovsdbController, deviceService)) { |
| ovsdbController.connect(k8sNode.managementIp(), tpPort(ovsdbPortNum)); |
| return; |
| } |
| |
| // create patch ports between integration and external bridges |
| createPatchInterfaces(k8sNode); |
| |
| if (k8sNode.mode() == NORMAL) { |
| if (k8sNode.dataIp() != null && |
| !isIntfEnabled(k8sNode, k8sNode.vxlanPortName())) { |
| createVxlanTunnelInterface(k8sNode); |
| } |
| |
| if (k8sNode.dataIp() != null && |
| !isIntfEnabled(k8sNode, k8sNode.grePortName())) { |
| createGreTunnelInterface(k8sNode); |
| } |
| |
| if (k8sNode.dataIp() != null && |
| !isIntfEnabled(k8sNode, k8sNode.genevePortName())) { |
| createGeneveTunnelInterface(k8sNode); |
| } |
| } |
| } catch (Exception e) { |
| log.error("Exception occurred because of {}", e); |
| } |
| } |
| |
| @Override |
| public void processCompleteState(K8sNode k8sNode) { |
| // do something if needed |
| } |
| |
| @Override |
| public void processIncompleteState(K8sNode k8sNode) { |
| // do something if needed |
| } |
| |
| @Override |
| public void processPreOnBoardState(K8sNode k8sNode) { |
| processInitState(k8sNode); |
| processDeviceCreatedState(k8sNode); |
| } |
| |
| @Override |
| public void processOnBoardedState(K8sNode k8sNode) { |
| // do something if needed |
| } |
| |
| @Override |
| public void processPostOnBoardState(K8sNode k8sNode) { |
| // do something if needed |
| } |
| |
| /** |
| * Extracts properties from the component configuration context. |
| * |
| * @param context the component context |
| */ |
| private void readComponentConfiguration(ComponentContext context) { |
| Dictionary<?, ?> properties = context.getProperties(); |
| |
| Integer ovsdbPortConfigured = Tools.getIntegerProperty(properties, OVSDB_PORT); |
| if (ovsdbPortConfigured == null) { |
| ovsdbPortNum = OVSDB_PORT_NUM_DEFAULT; |
| log.info("OVSDB port is NOT configured, default value is {}", ovsdbPortNum); |
| } else { |
| ovsdbPortNum = ovsdbPortConfigured; |
| log.info("Configured. OVSDB port is {}", ovsdbPortNum); |
| } |
| |
| Boolean autoRecoveryConfigured = |
| getBooleanProperty(properties, AUTO_RECOVERY); |
| if (autoRecoveryConfigured == null) { |
| autoRecovery = AUTO_RECOVERY_DEFAULT; |
| log.info("Auto recovery flag is NOT " + |
| "configured, default value is {}", autoRecovery); |
| } else { |
| autoRecovery = autoRecoveryConfigured; |
| log.info("Configured. Auto recovery flag is {}", autoRecovery); |
| } |
| } |
| |
| /** |
| * Creates a bridge with a given name on a given kubernetes node. |
| * |
| * @param k8sNode kubernetes node |
| * @param bridgeName bridge name |
| * @param devId device identifier |
| */ |
| private void createBridge(K8sNode k8sNode, String bridgeName, DeviceId devId) { |
| Device device = deviceService.getDevice(k8sNode.ovsdb()); |
| |
| List<ControllerInfo> controllers = k8sApiConfigService.apiConfigs().stream() |
| .map(c -> new ControllerInfo(c.ipAddress(), DEFAULT_OFPORT, DEFAULT_OF_PROTO)) |
| .collect(Collectors.toList()); |
| |
| String dpid = devId.toString().substring(DPID_BEGIN); |
| |
| BridgeDescription.Builder builder = DefaultBridgeDescription.builder() |
| .name(bridgeName) |
| .failMode(BridgeDescription.FailMode.SECURE) |
| .datapathId(dpid) |
| .disableInBand() |
| .controllers(controllers); |
| |
| BridgeConfig bridgeConfig = device.as(BridgeConfig.class); |
| bridgeConfig.addBridge(builder.build()); |
| } |
| |
| /** |
| * Creates a VXLAN tunnel interface in a given kubernetes node. |
| * |
| * @param k8sNode kubernetes node |
| */ |
| private void createVxlanTunnelInterface(K8sNode k8sNode) { |
| createTunnelInterface(k8sNode, VXLAN, k8sNode.vxlanPortName()); |
| } |
| |
| /** |
| * Creates a GRE tunnel interface in a given kubernetes node. |
| * |
| * @param k8sNode kubernetes node |
| */ |
| private void createGreTunnelInterface(K8sNode k8sNode) { |
| createTunnelInterface(k8sNode, GRE, k8sNode.grePortName()); |
| } |
| |
| /** |
| * Creates a GENEVE tunnel interface in a given kubernetes node. |
| * |
| * @param k8sNode kubernetes node |
| */ |
| private void createGeneveTunnelInterface(K8sNode k8sNode) { |
| createTunnelInterface(k8sNode, GENEVE, k8sNode.genevePortName()); |
| } |
| |
| private void createPatchInterfaces(K8sNode k8sNode) { |
| Device device = deviceService.getDevice(k8sNode.ovsdb()); |
| if (device == null || !device.is(InterfaceConfig.class)) { |
| log.error("Failed to create patch interface on {}", k8sNode.ovsdb()); |
| return; |
| } |
| |
| // integration bridge -> external bridge |
| PatchDescription brIntExtPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.intgBridgeName()) |
| .ifaceName(k8sNode.intgToExtPatchPortName()) |
| .peer(k8sNode.extToIntgPatchPortName()) |
| .build(); |
| |
| // integration bridge -> tunnel bridge |
| PatchDescription brIntTunPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.intgBridgeName()) |
| .ifaceName(k8sNode.intgToTunPatchPortName()) |
| .peer(k8sNode.tunToIntgPatchPortName()) |
| .build(); |
| |
| // external bridge -> integration bridge |
| PatchDescription brExtIntPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.extBridgeName()) |
| .ifaceName(k8sNode.extToIntgPatchPortName()) |
| .peer(k8sNode.intgToExtPatchPortName()) |
| .build(); |
| |
| // integration bridge -> local bridge |
| PatchDescription brIntLocalPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.intgBridgeName()) |
| .ifaceName(k8sNode.intgToLocalPatchPortName()) |
| .peer(k8sNode.localToIntgPatchPortName()) |
| .build(); |
| |
| // local bridge -> integration bridge |
| PatchDescription brLocalIntPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.localBridgeName()) |
| .ifaceName(k8sNode.localToIntgPatchPortName()) |
| .peer(k8sNode.intgToLocalPatchPortName()) |
| .build(); |
| |
| InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| ifaceConfig.addPatchMode(k8sNode.intgToExtPatchPortName(), brIntExtPatchDesc); |
| ifaceConfig.addPatchMode(k8sNode.extToIntgPatchPortName(), brExtIntPatchDesc); |
| ifaceConfig.addPatchMode(k8sNode.intgToLocalPatchPortName(), brIntLocalPatchDesc); |
| ifaceConfig.addPatchMode(k8sNode.localToIntgPatchPortName(), brLocalIntPatchDesc); |
| ifaceConfig.addPatchMode(k8sNode.intgToTunPatchPortName(), brIntTunPatchDesc); |
| |
| if (k8sNode.mode() == NORMAL) { |
| // tunnel bridge -> integration bridge |
| PatchDescription brTunIntPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.tunBridgeName()) |
| .ifaceName(k8sNode.tunToIntgPatchPortName()) |
| .peer(k8sNode.intgToTunPatchPortName()) |
| .build(); |
| |
| ifaceConfig.addPatchMode(k8sNode.tunToIntgPatchPortName(), brTunIntPatchDesc); |
| } else { |
| // k8s integration bridge -> openstack integration bridge |
| PatchDescription k8sIntOsIntPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.intgBridgeName()) |
| .ifaceName(k8sNode.k8sIntgToOsPatchPortName()) |
| .peer(k8sNode.osToK8sIntgPatchPortName()) |
| .build(); |
| ifaceConfig.addPatchMode(k8sNode.k8sIntgToOsPatchPortName(), k8sIntOsIntPatchDesc); |
| |
| // k8s external bridge -> openstack integration bridge |
| PatchDescription k8sExtOsIntPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.extBridgeName()) |
| .ifaceName(k8sNode.k8sExtToOsPatchPortName()) |
| .peer(k8sNode.osToK8sExtPatchPortName()) |
| .build(); |
| ifaceConfig.addPatchMode(k8sNode.k8sExtToOsPatchPortName(), k8sExtOsIntPatchDesc); |
| |
| // external bridge -> router bridge |
| PatchDescription extRouterPatchDesc = |
| DefaultPatchDescription.builder() |
| .deviceId(k8sNode.extBridgeName()) |
| .ifaceName(k8sNode.extToRouterPatchPortName()) |
| .peer(k8sNode.routerToExtPatchPortName()) |
| .build(); |
| ifaceConfig.addPatchMode(k8sNode.extToRouterPatchPortName(), extRouterPatchDesc); |
| } |
| } |
| |
| /** |
| * Creates a tunnel interface in a given kubernetes node. |
| * |
| * @param k8sNode kubernetes node |
| */ |
| private void createTunnelInterface(K8sNode k8sNode, |
| String type, String intfName) { |
| if (isIntfEnabled(k8sNode, intfName)) { |
| return; |
| } |
| |
| Device device = deviceService.getDevice(k8sNode.ovsdb()); |
| if (device == null || !device.is(InterfaceConfig.class)) { |
| log.error("Failed to create tunnel interface on {}", k8sNode.ovsdb()); |
| return; |
| } |
| |
| TunnelDescription tunnelDesc = buildTunnelDesc(k8sNode, type, intfName); |
| |
| InterfaceConfig ifaceConfig = device.as(InterfaceConfig.class); |
| ifaceConfig.addTunnelMode(intfName, tunnelDesc); |
| } |
| |
| /** |
| * Builds tunnel description according to the network type. |
| * |
| * @param type network type |
| * @return tunnel description |
| */ |
| private TunnelDescription buildTunnelDesc(K8sNode k8sNode, |
| String type, String intfName) { |
| TunnelKey<String> key = new TunnelKey<>(k8sNode.tunnelKey()); |
| if (VXLAN.equals(type) || GRE.equals(type) || GENEVE.equals(type)) { |
| TunnelDescription.Builder tdBuilder = |
| DefaultTunnelDescription.builder() |
| .deviceId(k8sNode.tunBridgeName()) |
| .ifaceName(intfName) |
| .remote(TunnelEndPoints.flowTunnelEndpoint()) |
| .key(key); |
| |
| switch (type) { |
| case VXLAN: |
| tdBuilder.type(TunnelDescription.Type.VXLAN); |
| break; |
| case GRE: |
| tdBuilder.type(TunnelDescription.Type.GRE); |
| break; |
| case GENEVE: |
| tdBuilder.type(TunnelDescription.Type.GENEVE); |
| break; |
| default: |
| return null; |
| } |
| |
| return tdBuilder.build(); |
| } |
| return null; |
| } |
| |
| /** |
| * Checks whether a given network interface in a given kubernetes node |
| * is enabled or not. |
| * |
| * @param k8sNode kubernetes node |
| * @param intf network interface name |
| * @return true if the given interface is enabled, false otherwise |
| */ |
| private boolean isIntfEnabled(K8sNode k8sNode, String intf) { |
| return deviceService.isAvailable(k8sNode.tunBridge()) && |
| deviceService.getPorts(k8sNode.tunBridge()).stream() |
| .anyMatch(port -> Objects.equals( |
| port.annotations().value(PORT_NAME), intf) && |
| port.isEnabled()); |
| } |
| |
| /** |
| * Checks whether all requirements for this state are fulfilled or not. |
| * |
| * @param k8sNode kubernetes node |
| * @return true if all requirements are fulfilled, false otherwise |
| */ |
| private boolean isCurrentStateDone(K8sNode k8sNode) { |
| switch (k8sNode.state()) { |
| case INIT: |
| return isInitStateDone(k8sNode); |
| case DEVICE_CREATED: |
| return isDeviceCreatedStateDone(k8sNode); |
| case PRE_ON_BOARD: |
| return isInitStateDone(k8sNode) && isDeviceCreatedStateDone(k8sNode); |
| case COMPLETE: |
| case INCOMPLETE: |
| case ON_BOARDED: |
| case POST_ON_BOARD: |
| // always return false |
| // run init CLI to re-trigger node bootstrap |
| return false; |
| default: |
| return true; |
| } |
| } |
| |
| private boolean isInitStateDone(K8sNode k8sNode) { |
| if (!isOvsdbConnected(k8sNode, ovsdbPortNum, |
| ovsdbController, deviceService)) { |
| return false; |
| } |
| |
| try { |
| // we need to wait a while, in case interface and bridge |
| // creation requires some time |
| sleep(SLEEP_MS); |
| } catch (InterruptedException e) { |
| log.error("Exception caused during init state checking..."); |
| } |
| |
| boolean result = k8sNode.intgBridge() != null && k8sNode.extBridge() != null && |
| deviceService.isAvailable(k8sNode.intgBridge()) && |
| deviceService.isAvailable(k8sNode.extBridge()) && |
| deviceService.isAvailable(k8sNode.localBridge()); |
| |
| if (k8sNode.mode() == NORMAL) { |
| return result && deviceService.isAvailable(k8sNode.tunBridge()); |
| } else { |
| return result; |
| } |
| } |
| |
| private boolean isDeviceCreatedStateDone(K8sNode k8sNode) { |
| |
| try { |
| // we need to wait a while, in case interface and bridge |
| // creation requires some time |
| sleep(SLEEP_MS); |
| } catch (InterruptedException e) { |
| log.error("Exception caused during init state checking..."); |
| } |
| |
| if (k8sNode.mode() == NORMAL) { |
| if (k8sNode.dataIp() != null && |
| !isIntfEnabled(k8sNode, k8sNode.vxlanPortName())) { |
| return false; |
| } |
| if (k8sNode.dataIp() != null && |
| !isIntfEnabled(k8sNode, k8sNode.grePortName())) { |
| return false; |
| } |
| if (k8sNode.dataIp() != null && |
| !isIntfEnabled(k8sNode, k8sNode.genevePortName())) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Configures the kubernetes node with new state. |
| * |
| * @param k8sNode kubernetes node |
| * @param newState a new state |
| */ |
| private void setState(K8sNode k8sNode, K8sNodeState newState) { |
| if (k8sNode.state() == newState) { |
| return; |
| } |
| K8sNode updated = k8sNode.updateState(newState); |
| k8sNodeAdminService.updateNode(updated); |
| log.info("Changed {} state: {}", k8sNode.hostname(), newState); |
| } |
| |
| /** |
| * Bootstraps a new kubernetes node. |
| * |
| * @param k8sNode kubernetes node |
| */ |
| private void bootstrapNode(K8sNode k8sNode) { |
| if (isCurrentStateDone(k8sNode)) { |
| setState(k8sNode, k8sNode.state().nextState()); |
| } else { |
| log.trace("Processing {} state for {}", k8sNode.state(), |
| k8sNode.hostname()); |
| k8sNode.state().process(this, k8sNode); |
| } |
| } |
| |
| private void processK8sNodeRemoved(K8sNode k8sNode) { |
| OvsdbClientService client = getOvsdbClient(k8sNode, ovsdbPortNum, ovsdbController); |
| if (client == null) { |
| log.info("Failed to get ovsdb client"); |
| return; |
| } |
| |
| if (k8sNode.mode() == NORMAL) { |
| // delete tunnel bridge from the node |
| client.dropBridge(k8sNode.tunBridgeName()); |
| } else { |
| // remove the patch ports direct to the integration bridge from tunnel bridge |
| removeTunnelPatchPort(k8sNode); |
| // remove the patch ports direct to the external bridge from the router bridge |
| removeRouterPatchPort(k8sNode); |
| // remove the patch ports directs to the openstack's br-int bridge from the int and ext bridges |
| removeOpenstackPatchPorts(k8sNode); |
| } |
| |
| // delete integration bridge from the node |
| client.dropBridge(k8sNode.intgBridgeName()); |
| |
| // delete external bridge from the node |
| client.dropBridge(k8sNode.extBridgeName()); |
| |
| // delete local bridge from the node |
| client.dropBridge(k8sNode.localBridgeName()); |
| |
| // disconnect ovsdb |
| // client.disconnect(); |
| } |
| |
| private void removeTunnelPatchPort(K8sNode k8sNode) { |
| OvsdbClientService client = getOvsdbClient(k8sNode, ovsdbPortNum, ovsdbController); |
| if (client == null) { |
| log.info("Failed to get ovsdb client"); |
| return; |
| } |
| |
| client.dropInterface(k8sNode.tunToIntgPatchPortName()); |
| } |
| |
| private void removeRouterPatchPort(K8sNode k8sNode) { |
| OvsdbClientService client = getOvsdbClient(k8sNode, ovsdbPortNum, ovsdbController); |
| if (client == null) { |
| log.info("Failed to get ovsdb client"); |
| return; |
| } |
| |
| client.dropInterface(k8sNode.routerToExtPatchPortName()); |
| } |
| |
| private void removeOpenstackPatchPorts(K8sNode k8sNode) { |
| OvsdbClientService client = getOvsdbClient(k8sNode, ovsdbPortNum, ovsdbController); |
| if (client == null) { |
| log.info("Failed to get ovsdb client"); |
| return; |
| } |
| |
| // remove patch port attached at br-int peers with the k8s integration bridge |
| client.dropInterface(k8sNode.osToK8sIntgPatchPortName()); |
| |
| // remove patch port attached at br-int peers with the k8s external bridge |
| client.dropInterface(k8sNode.osToK8sExtPatchPortName()); |
| } |
| |
| /** |
| * An internal OVSDB listener. This listener is used for listening the |
| * network facing events from OVSDB device. If a new OVSDB device is detected, |
| * ONOS tries to bootstrap the kubernetes node. |
| */ |
| private class InternalOvsdbListener implements DeviceListener { |
| |
| @Override |
| public boolean isRelevant(DeviceEvent event) { |
| return event.subject().type() == Device.Type.CONTROLLER; |
| } |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(DeviceEvent event) { |
| Device device = event.subject(); |
| |
| switch (event.type()) { |
| case DEVICE_AVAILABILITY_CHANGED: |
| case DEVICE_ADDED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| K8sNode k8sNode = k8sNodeService.node(device.id()); |
| |
| if (k8sNode == null) { |
| return; |
| } |
| |
| if (deviceService.isAvailable(device.id())) { |
| log.debug("OVSDB {} detected", device.id()); |
| bootstrapNode(k8sNode); |
| } |
| }); |
| break; |
| case PORT_ADDED: |
| case PORT_REMOVED: |
| case DEVICE_REMOVED: |
| default: |
| // do nothing |
| break; |
| } |
| } |
| } |
| |
| /** |
| * An internal integration bridge listener. This listener is used for |
| * listening the events from integration bridge. To listen the events from |
| * other types of bridge such as provider bridge or tunnel bridge, we need |
| * to augment K8sNodeService.node() method. |
| */ |
| private class InternalBridgeListener implements DeviceListener { |
| |
| @Override |
| public boolean isRelevant(DeviceEvent event) { |
| return event.subject().type() == Device.Type.SWITCH; |
| } |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(DeviceEvent event) { |
| Device device = event.subject(); |
| |
| switch (event.type()) { |
| case DEVICE_AVAILABILITY_CHANGED: |
| case DEVICE_ADDED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| K8sNode k8sNode = k8sNodeService.node(device.id()); |
| |
| if (k8sNode == null) { |
| return; |
| } |
| |
| // TODO: also need to check the external bridge's availability |
| // TODO: also need to check the local bridge's availability |
| if (deviceService.isAvailable(device.id())) { |
| log.debug("Integration bridge created on {}", |
| k8sNode.hostname()); |
| bootstrapNode(k8sNode); |
| } else if (k8sNode.state() == COMPLETE) { |
| log.info("Device {} disconnected", device.id()); |
| setState(k8sNode, INCOMPLETE); |
| } |
| |
| if (autoRecovery) { |
| if (k8sNode.state() == INCOMPLETE || |
| k8sNode.state() == DEVICE_CREATED) { |
| log.info("Device {} is reconnected", device.id()); |
| k8sNodeAdminService.updateNode( |
| k8sNode.updateState(K8sNodeState.INIT)); |
| } |
| } |
| }); |
| break; |
| case PORT_UPDATED: |
| case PORT_ADDED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| K8sNode k8sNode = k8sNodeService.node(device.id()); |
| |
| if (k8sNode == null) { |
| return; |
| } |
| |
| Port port = event.port(); |
| String portName = port.annotations().value(PORT_NAME); |
| if (k8sNode.state() == DEVICE_CREATED && ( |
| Objects.equals(portName, k8sNode.vxlanPortName()) || |
| Objects.equals(portName, k8sNode.grePortName()) || |
| Objects.equals(portName, k8sNode.genevePortName()))) { |
| log.info("Interface {} added or updated to {}", |
| portName, device.id()); |
| bootstrapNode(k8sNode); |
| } |
| }); |
| break; |
| case PORT_REMOVED: |
| eventExecutor.execute(() -> { |
| |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| K8sNode k8sNode = k8sNodeService.node(device.id()); |
| |
| if (k8sNode == null) { |
| return; |
| } |
| |
| Port port = event.port(); |
| String portName = port.annotations().value(PORT_NAME); |
| if (k8sNode.state() == COMPLETE && ( |
| Objects.equals(portName, k8sNode.vxlanPortName()) || |
| Objects.equals(portName, k8sNode.grePortName()) || |
| Objects.equals(portName, k8sNode.genevePortName()))) { |
| log.warn("Interface {} removed from {}", |
| portName, event.subject().id()); |
| setState(k8sNode, INCOMPLETE); |
| } |
| }); |
| break; |
| case DEVICE_REMOVED: |
| default: |
| // do nothing |
| break; |
| } |
| } |
| } |
| |
| /** |
| * An internal kubernetes node listener. |
| * The notification is triggered by KubernetesNodeStore. |
| */ |
| private class InternalK8sNodeListener implements K8sNodeListener { |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNode, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(K8sNodeEvent event) { |
| switch (event.type()) { |
| case K8S_NODE_CREATED: |
| case K8S_NODE_UPDATED: |
| eventExecutor.execute(() -> { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| bootstrapNode(event.subject()); |
| }); |
| break; |
| case K8S_NODE_REMOVED: |
| eventExecutor.execute(() -> { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| processK8sNodeRemoved(event.subject()); |
| }); |
| break; |
| case K8S_NODE_INCOMPLETE: |
| default: |
| break; |
| } |
| } |
| } |
| } |