| /* |
| * 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.k8snetworking.impl; |
| |
| import com.google.common.collect.Maps; |
| import io.fabric8.kubernetes.api.model.Pod; |
| import io.fabric8.kubernetes.client.KubernetesClient; |
| 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.k8snetworking.api.K8sNetworkAdminService; |
| import org.onosproject.k8snetworking.api.K8sNetworkEvent; |
| import org.onosproject.k8snetworking.api.K8sNetworkListener; |
| import org.onosproject.k8snetworking.api.K8sPodAdminService; |
| import org.onosproject.k8snetworking.api.K8sPodEvent; |
| import org.onosproject.k8snetworking.api.K8sPodListener; |
| import org.onosproject.k8snetworking.api.K8sPort; |
| import org.onosproject.k8snode.api.K8sApiConfigService; |
| import org.onosproject.mastership.MastershipService; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.driver.DriverService; |
| 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.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.slf4j.Logger; |
| |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.k8snetworking.api.Constants.K8S_NETWORKING_APP_ID; |
| import static org.onosproject.k8snetworking.util.K8sNetworkingUtil.k8sClient; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Associates the kubernetes container port and pod. |
| */ |
| @Component(immediate = true) |
| public class K8sPodPortMapper { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String PORT_ID = "portId"; |
| private static final String DEVICE_ID = "deviceId"; |
| private static final String PORT_NUMBER = "portNumber"; |
| private static final String IP_ADDRESS = "ipAddress"; |
| private static final String MAC_ADDRESS = "macAddress"; |
| private static final String NETWORK_ID = "networkId"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected MastershipService mastershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DeviceService deviceService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected DriverService driverService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sNetworkAdminService k8sNetworkService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sPodAdminService k8sPodService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sApiConfigService k8sApiConfigService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler")); |
| private final InternalK8sNetworkListener k8sNetworkListener = |
| new InternalK8sNetworkListener(); |
| private final InternalK8sPodListener k8sPodListener = |
| new InternalK8sPodListener(); |
| |
| private ApplicationId appId; |
| private NodeId localNodeId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(K8S_NETWORKING_APP_ID); |
| localNodeId = clusterService.getLocalNode().id(); |
| leadershipService.runForLeadership(appId.name()); |
| k8sNetworkService.addListener(k8sNetworkListener); |
| k8sPodService.addListener(k8sPodListener); |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| k8sNetworkService.removeListener(k8sNetworkListener); |
| k8sPodService.removeListener(k8sPodListener); |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| private class InternalK8sPodListener implements K8sPodListener { |
| |
| private boolean isRelevantHelper() { |
| return Objects.equals(localNodeId, leadershipService.getLeader(appId.name())); |
| } |
| |
| @Override |
| public void event(K8sPodEvent event) { |
| switch (event.type()) { |
| case K8S_POD_CREATED: |
| case K8S_POD_UPDATED: |
| eventExecutor.execute(() -> processPodCreation(event.subject())); |
| break; |
| case K8S_POD_REMOVED: |
| default: |
| break; |
| } |
| } |
| |
| private void processPodCreation(Pod pod) { |
| if (!isRelevantHelper()) { |
| return; |
| } |
| |
| KubernetesClient client = k8sClient(k8sApiConfigService); |
| |
| if (client == null) { |
| return; |
| } |
| |
| // if the annotations were configured, we will not update it |
| if (pod.getMetadata().getAnnotations() != null) { |
| return; |
| } |
| |
| Set<K8sPort> ports = k8sNetworkService.ports(); |
| |
| // TODO: we assume that POD IP is unique, there might be other |
| // variable which preserves better uniqueness |
| ports.stream().filter(p -> p.ipAddress().toString() |
| .equals(pod.getStatus().getPodIP())) |
| .forEach(p -> { |
| Map<String, String> annotations = Maps.newConcurrentMap(); |
| annotations.put(PORT_ID, p.portId()); |
| annotations.put(NETWORK_ID, p.networkId()); |
| annotations.put(DEVICE_ID, p.deviceId().toString()); |
| annotations.put(PORT_NUMBER, p.portNumber().toString()); |
| annotations.put(IP_ADDRESS, p.ipAddress().toString()); |
| annotations.put(MAC_ADDRESS, p.macAddress().toString()); |
| |
| client.pods().inNamespace(pod.getMetadata().getNamespace()) |
| .withName(pod.getMetadata().getName()) |
| .edit() |
| .editMetadata() |
| .addToAnnotations(annotations) |
| .endMetadata().done(); |
| }); |
| } |
| } |
| |
| private class InternalK8sNetworkListener implements K8sNetworkListener { |
| |
| private boolean isRelevantHelper(K8sNetworkEvent event) { |
| return mastershipService.isLocalMaster(event.port().deviceId()); |
| } |
| |
| @Override |
| public void event(K8sNetworkEvent event) { |
| switch (event.type()) { |
| case K8S_PORT_UPDATED: |
| case K8S_PORT_REMOVED: |
| // no need to process port removal event... |
| default: |
| break; |
| } |
| } |
| } |
| } |