| // 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 com.cloud.storage; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| import javax.naming.ConfigurationException; |
| |
| import org.apache.cloudstack.api.command.admin.storage.MigrateSecondaryStorageDataCmd; |
| import org.apache.cloudstack.api.response.MigrationResponse; |
| import org.apache.cloudstack.context.CallContext; |
| import org.apache.cloudstack.engine.orchestration.service.StorageOrchestrationService; |
| import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProvider; |
| import org.apache.cloudstack.framework.config.ConfigKey; |
| import org.apache.cloudstack.framework.jobs.AsyncJobManager; |
| import org.apache.cloudstack.storage.ImageStoreService; |
| import org.apache.cloudstack.storage.datastore.db.ImageStoreDao; |
| import org.apache.cloudstack.storage.datastore.db.ImageStoreVO; |
| import org.apache.commons.lang3.EnumUtils; |
| import org.apache.log4j.Logger; |
| |
| import com.cloud.event.ActionEvent; |
| import com.cloud.event.EventTypes; |
| import com.cloud.exception.InvalidParameterValueException; |
| import com.cloud.utils.component.ManagerBase; |
| import com.cloud.utils.exception.CloudRuntimeException; |
| |
| public class ImageStoreServiceImpl extends ManagerBase implements ImageStoreService { |
| |
| private static final Logger s_logger = Logger.getLogger(ImageStoreServiceImpl.class); |
| @Inject |
| ImageStoreDao imageStoreDao; |
| @Inject |
| private AsyncJobManager jobMgr; |
| @Inject |
| private StorageOrchestrationService stgService; |
| |
| ConfigKey<Double> ImageStoreImbalanceThreshold = new ConfigKey<>("Advanced", Double.class, |
| "image.store.imbalance.threshold", |
| "0.3", |
| "The storage imbalance threshold that is compared with the standard deviation percentage for a storage utilization metric. " + |
| "The value is a percentage in decimal format.", |
| true, ConfigKey.Scope.Global); |
| |
| |
| public Integer numConcurrentCopyTasksPerSSVM = null; |
| |
| |
| |
| @Override |
| public boolean configure(String name, Map<String, Object> params) throws ConfigurationException { |
| return true; |
| } |
| |
| @Override |
| @ActionEvent(eventType = EventTypes.EVENT_IMAGE_STORE_DATA_MIGRATE, eventDescription = "migrating Image store data", async = true) |
| public MigrationResponse migrateData(MigrateSecondaryStorageDataCmd cmd) { |
| Long srcImgStoreId = cmd.getId(); |
| ImageStoreVO srcImageVO = imageStoreDao.findById(srcImgStoreId); |
| List<Long> destImgStoreIds = cmd.getMigrateTo(); |
| List<String> imagestores = new ArrayList<String>(); |
| String migrationType = cmd.getMigrationType(); |
| |
| // default policy is complete |
| MigrationPolicy policy = MigrationPolicy.COMPLETE; |
| |
| if (migrationType != null) { |
| if (!EnumUtils.isValidEnum(MigrationPolicy.class, migrationType.toUpperCase())) { |
| throw new CloudRuntimeException("Not a valid migration policy"); |
| } |
| policy = MigrationPolicy.valueOf(migrationType.toUpperCase()); |
| } |
| |
| String message = null; |
| |
| if (srcImageVO == null) { |
| throw new CloudRuntimeException("Cannot find secondary storage with id: " + srcImgStoreId); |
| } |
| |
| Long srcStoreDcId = srcImageVO.getDataCenterId(); |
| imagestores.add(srcImageVO.getName()); |
| if (srcImageVO.getRole() != DataStoreRole.Image) { |
| throw new CloudRuntimeException("Secondary storage is not of Image Role"); |
| } |
| |
| if (!srcImageVO.getProviderName().equals(DataStoreProvider.NFS_IMAGE)) { |
| throw new InvalidParameterValueException("Migration of datastore objects is supported only for NFS based image stores"); |
| } |
| |
| if (destImgStoreIds.contains(srcImgStoreId)) { |
| s_logger.debug("One of the destination stores is the same as the source image store ... Ignoring it..."); |
| destImgStoreIds.remove(srcImgStoreId); |
| } |
| |
| // Validate all the Ids correspond to valid Image stores |
| List<Long> destDatastores = new ArrayList<>(); |
| for (Long id : destImgStoreIds) { |
| ImageStoreVO store = imageStoreDao.findById(id); |
| if (store == null) { |
| s_logger.warn("Secondary storage with id: " + id + "is not found. Skipping it..."); |
| continue; |
| } |
| if (store.isReadonly()) { |
| s_logger.warn("Secondary storage: "+ id + " cannot be considered for migration as has read-only permission, Skipping it... "); |
| continue; |
| } |
| |
| if (!store.getProviderName().equals(DataStoreProvider.NFS_IMAGE)) { |
| s_logger.warn("Destination image store : " + store.getName() + " not NFS based. Store not suitable for migration!"); |
| continue; |
| } |
| |
| if (srcStoreDcId != null && store.getDataCenterId() != null && !srcStoreDcId.equals(store.getDataCenterId())) { |
| s_logger.warn("Source and destination stores are not in the same zone. Skipping destination store: " + store.getName()); |
| continue; |
| } |
| |
| destDatastores.add(id); |
| imagestores.add(store.getName()); |
| } |
| |
| if (destDatastores.size() < 1) { |
| throw new CloudRuntimeException("No destination valid store(s) available to migrate. Could" + |
| "be due to invalid store ID(s) or store(s) are read-only. Terminating Migration of data"); |
| } |
| |
| if (isMigrateJobRunning()){ |
| message = "A migrate job is in progress, please try again later..."; |
| return new MigrationResponse(message, policy.toString(), false); |
| } |
| |
| CallContext.current().setEventDetails("Migrating files/data objects " + "from : " + imagestores.get(0) + " to: " + imagestores.subList(1, imagestores.size())); |
| return stgService.migrateData(srcImgStoreId, destDatastores, policy); |
| } |
| |
| |
| // Ensures that only one migrate job may occur at a time, in order to reduce load |
| private boolean isMigrateJobRunning() { |
| long count = jobMgr.countPendingJobs(null, MigrateSecondaryStorageDataCmd.class.getName()); |
| if (count > 1) { |
| return true; |
| } |
| return false; |
| } |
| } |