| // 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.cloudstack.storage.allocator; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| import javax.naming.ConfigurationException; |
| |
| import org.apache.log4j.Logger; |
| |
| import org.apache.cloudstack.engine.subsystem.api.storage.StoragePoolAllocator; |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| |
| import com.cloud.deploy.DeploymentPlan; |
| import com.cloud.deploy.DeploymentPlanner.ExcludeList; |
| import com.cloud.storage.StorageManager; |
| import com.cloud.storage.StoragePool; |
| import com.cloud.utils.component.ComponentContext; |
| import com.cloud.vm.DiskProfile; |
| import com.cloud.vm.VirtualMachineProfile; |
| |
| public class GarbageCollectingStoragePoolAllocator extends AbstractStoragePoolAllocator { |
| private static final Logger s_logger = Logger.getLogger(GarbageCollectingStoragePoolAllocator.class); |
| |
| StoragePoolAllocator _firstFitStoragePoolAllocator; |
| StoragePoolAllocator _localStoragePoolAllocator; |
| @Inject |
| StorageManager storageMgr; |
| @Inject |
| ConfigurationDao _configDao; |
| boolean _storagePoolCleanupEnabled; |
| |
| @Override |
| public List<StoragePool> select(DiskProfile dskCh, VirtualMachineProfile vmProfile, DeploymentPlan plan, ExcludeList avoid, int returnUpTo) { |
| s_logger.debug("GarbageCollectingStoragePoolAllocator looking for storage pool"); |
| if (!_storagePoolCleanupEnabled) { |
| s_logger.debug("Storage pool cleanup is not enabled, so GarbageCollectingStoragePoolAllocator is being skipped."); |
| return null; |
| } |
| |
| // Clean up all storage pools |
| storageMgr.cleanupStorage(false); |
| // Determine what allocator to use |
| StoragePoolAllocator allocator; |
| if (dskCh.useLocalStorage()) { |
| allocator = _localStoragePoolAllocator; |
| } else { |
| allocator = _firstFitStoragePoolAllocator; |
| } |
| |
| // Try to find a storage pool after cleanup |
| ExcludeList myAvoids = |
| new ExcludeList(avoid.getDataCentersToAvoid(), avoid.getPodsToAvoid(), avoid.getClustersToAvoid(), avoid.getHostsToAvoid(), avoid.getPoolsToAvoid()); |
| |
| return allocator.allocateToPool(dskCh, vmProfile, plan, myAvoids, returnUpTo); |
| } |
| |
| @Override |
| public boolean configure(String name, Map<String, Object> params) throws ConfigurationException { |
| super.configure(name, params); |
| |
| _firstFitStoragePoolAllocator = ComponentContext.inject(ClusterScopeStoragePoolAllocator.class); |
| _firstFitStoragePoolAllocator.configure("GCFirstFitStoragePoolAllocator", params); |
| _localStoragePoolAllocator = ComponentContext.inject(LocalStoragePoolAllocator.class); |
| _localStoragePoolAllocator.configure("GCLocalStoragePoolAllocator", params); |
| |
| String storagePoolCleanupEnabled = _configDao.getValue("storage.pool.cleanup.enabled"); |
| _storagePoolCleanupEnabled = (storagePoolCleanupEnabled == null) ? true : Boolean.parseBoolean(storagePoolCleanupEnabled); |
| |
| return true; |
| } |
| |
| public GarbageCollectingStoragePoolAllocator() { |
| } |
| |
| } |