| /* |
| * 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 com.google.common.base.Strings; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.cluster.ClusterService; |
| import org.onosproject.cluster.LeadershipService; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.event.ListenerRegistry; |
| import org.onosproject.k8snode.api.K8sApiConfig; |
| import org.onosproject.k8snode.api.K8sApiConfig.Scheme; |
| import org.onosproject.k8snode.api.K8sApiConfigAdminService; |
| import org.onosproject.k8snode.api.K8sApiConfigEvent; |
| import org.onosproject.k8snode.api.K8sApiConfigListener; |
| import org.onosproject.k8snode.api.K8sApiConfigService; |
| import org.onosproject.k8snode.api.K8sApiConfigStore; |
| import org.onosproject.k8snode.api.K8sApiConfigStoreDelegate; |
| import org.onosproject.store.service.StorageService; |
| 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.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| import static org.onlab.util.Tools.groupedThreads; |
| import static org.onosproject.k8snode.util.K8sNodeUtil.endpoint; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * Service administering the inventory of kubernetes API configs. |
| */ |
| @Component( |
| immediate = true, |
| service = { K8sApiConfigService.class, K8sApiConfigAdminService.class } |
| ) |
| public class K8sApiConfigManager |
| extends ListenerRegistry<K8sApiConfigEvent, K8sApiConfigListener> |
| implements K8sApiConfigService, K8sApiConfigAdminService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private static final String MSG_CONFIG = "Kubernetes API config %s %s"; |
| private static final String MSG_CREATED = "created"; |
| private static final String MSG_UPDATED = "updated"; |
| private static final String MSG_REMOVED = "removed"; |
| |
| private static final String ERR_NULL_CONFIG = "Kubernetes API config cannot be null"; |
| private static final String ERR_NULL_ENDPOINT = "Kubernetes API endpoint cannot be null"; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected K8sApiConfigStore configStore; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected ClusterService clusterService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected LeadershipService leadershipService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected StorageService storageService; |
| |
| private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
| |
| private final K8sApiConfigStoreDelegate delegate = new InternalApiConfigStoreDelegate(); |
| |
| private ApplicationId appId; |
| |
| @Activate |
| protected void activate() { |
| appId = coreService.registerApplication(APP_ID); |
| configStore.setDelegate(delegate); |
| |
| leadershipService.runForLeadership(appId.name()); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| protected void deactivate() { |
| configStore.unsetDelegate(delegate); |
| |
| leadershipService.withdraw(appId.name()); |
| eventExecutor.shutdown(); |
| |
| log.info("Stopped"); |
| } |
| |
| @Override |
| public void createApiConfig(K8sApiConfig config) { |
| checkNotNull(config, ERR_NULL_CONFIG); |
| configStore.createApiConfig(config); |
| log.info(String.format(MSG_CONFIG, endpoint(config), MSG_CREATED)); |
| } |
| |
| @Override |
| public void updateApiConfig(K8sApiConfig config) { |
| checkNotNull(config, ERR_NULL_CONFIG); |
| configStore.updateApiConfig(config); |
| log.info(String.format(MSG_CONFIG, endpoint(config), MSG_UPDATED)); |
| } |
| |
| @Override |
| public K8sApiConfig removeApiConfig(String endpoint) { |
| checkArgument(!Strings.isNullOrEmpty(endpoint), ERR_NULL_ENDPOINT); |
| K8sApiConfig config = configStore.removeApiConfig(endpoint); |
| log.info(String.format(MSG_CONFIG, endpoint, MSG_REMOVED)); |
| return config; |
| } |
| |
| @Override |
| public K8sApiConfig removeApiConfig(Scheme scheme, |
| IpAddress ipAddress, int port) { |
| return removeApiConfig(endpoint(scheme, ipAddress, port)); |
| } |
| |
| @Override |
| public Set<K8sApiConfig> apiConfigs() { |
| return configStore.apiConfigs(); |
| } |
| |
| @Override |
| public K8sApiConfig apiConfig(String endpoint) { |
| return configStore.apiConfig(endpoint); |
| } |
| |
| @Override |
| public K8sApiConfig apiConfig(Scheme scheme, IpAddress ipAddress, int port) { |
| return apiConfig(endpoint(scheme, ipAddress, port)); |
| } |
| |
| private class InternalApiConfigStoreDelegate implements K8sApiConfigStoreDelegate { |
| |
| @Override |
| public void notify(K8sApiConfigEvent event) { |
| if (event != null) { |
| log.trace("send kubernetes API config event {}", event); |
| process(event); |
| } |
| } |
| } |
| } |