| /* |
| * |
| * * Licensed to the Apache Software Foundation (ASF) under one |
| * * or more contributor license agreements. See the NOTICE file |
| * * distributed with this work for additional information |
| * * regarding copyright ownership. The ASF licenses this file |
| * * to you 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.apache.ambari.server.serveraction.upgrades; |
| |
| import static java.util.stream.Collectors.toList; |
| import static org.apache.commons.collections.CollectionUtils.union; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.function.Predicate; |
| |
| import org.apache.ambari.annotations.Experimental; |
| import org.apache.ambari.annotations.ExperimentalFeature; |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.actionmanager.HostRoleStatus; |
| import org.apache.ambari.server.agent.CommandReport; |
| import org.apache.ambari.server.controller.internal.DeleteHostComponentStatusMetaData; |
| import org.apache.ambari.server.orm.entities.RepositoryVersionEntity; |
| import org.apache.ambari.server.orm.entities.UpgradeEntity; |
| import org.apache.ambari.server.orm.entities.UpgradeHistoryEntity; |
| import org.apache.ambari.server.state.Cluster; |
| import org.apache.ambari.server.state.ServiceComponent; |
| import org.apache.ambari.server.state.ServiceComponentSupport; |
| import org.apache.ambari.server.state.UpgradeContext; |
| import org.apache.ambari.server.topology.STOMPComponentsDeleteHandler; |
| import org.apache.commons.lang.StringUtils; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * Upgrade Server Action that deletes the components and services which are no |
| * longer supported in the target stack. The deletable component or service |
| * should be in deletable state (stopped) before executing this. |
| * <p/> |
| * This will orphan Kerberos keytabs and identities that belonged to the removed |
| * services and components. Since removing these automatically is a new and |
| * untested feature, its best to leave this type of cleanup to a future |
| * implementation. |
| */ |
| @Experimental( |
| feature = ExperimentalFeature.ORPHAN_KERBEROS_IDENTITY_REMOVAL, |
| comment = "Not removing identities yet") |
| public class DeleteUnsupportedServicesAndComponents extends AbstractUpgradeServerAction { |
| @Inject |
| private ServiceComponentSupport serviceComponentSupport; |
| |
| @Inject |
| private STOMPComponentsDeleteHandler STOMPComponentsDeleteHandler; |
| |
| @Override |
| public CommandReport execute(ConcurrentMap<String, Object> requestSharedDataContext) throws AmbariException, InterruptedException { |
| Cluster cluster = getClusters().getCluster(getExecutionCommand().getClusterName()); |
| if (cluster.getUpgradeInProgress().isDowngradeAllowed()) { |
| throw new AmbariException(this.getClass() + " should not be used in upgrade packs with downgrade support"); |
| } |
| UpgradeContext upgradeContext = getUpgradeContext(cluster); |
| Set<String> removedComponents = deleteUnsupportedComponents(cluster, upgradeContext.getRepositoryVersion()); |
| Set<String> removedServices = deleteUnsupportedServices(cluster, upgradeContext.getRepositoryVersion()); |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| "Removed services: " + StringUtils.join(union(removedComponents, removedServices), ", "), ""); |
| } |
| |
| private Set<String> deleteUnsupportedServices(Cluster cluster, RepositoryVersionEntity repoVersion) throws AmbariException { |
| Set<String> servicesToBeRemoved = serviceComponentSupport.unsupportedServices(cluster, repoVersion.getStackName(), repoVersion.getStackVersion()); |
| for (String serviceName : servicesToBeRemoved) { |
| DeleteHostComponentStatusMetaData deleteMetaData = new DeleteHostComponentStatusMetaData(); |
| cluster.deleteService(serviceName, deleteMetaData); |
| STOMPComponentsDeleteHandler.processDeleteByMetaDataException(deleteMetaData); |
| STOMPComponentsDeleteHandler.processDeleteByMetaData(deleteMetaData); |
| deleteUpgradeHistory(cluster, history -> serviceName.equals(history.getServiceName())); |
| } |
| return servicesToBeRemoved; |
| } |
| |
| private Set<String> deleteUnsupportedComponents(Cluster cluster, RepositoryVersionEntity repoVersion) throws AmbariException { |
| Set<String> deletedComponents = new HashSet<>(); |
| for (ServiceComponent component : serviceComponentSupport.unsupportedComponents(cluster, repoVersion.getStackName(), repoVersion.getStackVersion())) { |
| DeleteHostComponentStatusMetaData deleteMetaData = new DeleteHostComponentStatusMetaData(); |
| cluster.getService(component.getServiceName()).deleteServiceComponent(component.getName(), deleteMetaData); |
| STOMPComponentsDeleteHandler.processDeleteByMetaDataException(deleteMetaData); |
| STOMPComponentsDeleteHandler.processDeleteByMetaData(deleteMetaData); |
| deleteUpgradeHistory(cluster, history -> component.getName().equals(history.getComponentName())); |
| deletedComponents.add(component.getName()); |
| } |
| return deletedComponents; |
| } |
| |
| private void deleteUpgradeHistory(Cluster cluster, Predicate<UpgradeHistoryEntity> predicate) { |
| UpgradeEntity upgradeInProgress = cluster.getUpgradeInProgress(); |
| List<UpgradeHistoryEntity> removed = upgradeInProgress.getHistory().stream() |
| .filter(each -> each != null && predicate.test(each)) |
| .collect(toList()); |
| upgradeInProgress.removeHistories(removed); |
| m_upgradeDAO.merge(upgradeInProgress); |
| } |
| } |