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122 lines
3.7 KiB
Java
122 lines
3.7 KiB
Java
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package com.cloud.storage;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.log4j.Logger;
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import com.cloud.cluster.CheckPointManager;
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import com.cloud.cluster.CleanupMaid;
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import com.cloud.server.ManagementServer;
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import com.cloud.storage.dao.VolumeDao;
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import com.cloud.utils.db.Transaction;
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import com.cloud.utils.fsm.NoTransitionException;
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import com.cloud.utils.fsm.StateMachine2;
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import com.cloud.vm.VMInstanceVO;
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import com.cloud.vm.VirtualMachine;
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import com.cloud.vm.VirtualMachineManager;
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import com.cloud.vm.dao.VMInstanceDao;
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public class StorageMigrationCleanupMaid implements CleanupMaid {
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private static final Logger s_logger = Logger.getLogger(StorageMigrationCleanupMaid.class);
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public static enum StorageMigrationState {
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MIGRATING,
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MIGRATINGFAILED,
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MIGRATINGSUCCESS;
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}
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private List<Long> _volumesIds = new ArrayList<Long>();
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private StorageMigrationState _migrateState;
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public StorageMigrationCleanupMaid() {
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}
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public StorageMigrationCleanupMaid(StorageMigrationState state, List<Long> volumes) {
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_migrateState = state;
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_volumesIds = volumes;
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}
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public void updateStaste(StorageMigrationState state) {
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_migrateState = state;
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}
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@Override
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public int cleanup(CheckPointManager checkPointMgr) {
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StateMachine2<Volume.State, Volume.Event, Volume> _stateMachine = Volume.State.getStateMachine();
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ComponentLocator locator = ComponentLocator.getLocator(ManagementServer.Name);
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VolumeDao volDao = locator.getDao(VolumeDao.class);
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VMInstanceDao vmDao = locator.getDao(VMInstanceDao.class);
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VirtualMachineManager vmMgr = locator.getManager(VirtualMachineManager.class);
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Long vmInstanceId = null;
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boolean success = true;
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Transaction txn = Transaction.open(Transaction.CLOUD_DB);
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try {
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txn.start();
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for (Long volumeId : _volumesIds) {
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VolumeVO volume = volDao.findById(volumeId);
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if (volume == null) {
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continue;
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}
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vmInstanceId = volume.getInstanceId();
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if (_migrateState == StorageMigrationState.MIGRATING && volume.getState() == Volume.State.Migrating) {
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try {
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_stateMachine.transitTo(volume, Volume.Event.OperationFailed, null, volDao);
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} catch (NoTransitionException e) {
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s_logger.debug("Failed to transit volume state: " + e.toString());
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success = false;
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break;
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}
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}
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}
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if (vmInstanceId != null) {
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VMInstanceVO vm = vmDao.findById(vmInstanceId);
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if (vm != null && vm.getState() == VirtualMachine.State.Migrating) {
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try {
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vmMgr.stateTransitTo(vm, VirtualMachine.Event.AgentReportStopped, null);
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} catch (NoTransitionException e) {
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s_logger.debug("Failed to transit vm state");
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success = false;
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}
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}
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}
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if (success) {
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txn.commit();
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}
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} catch (Exception e) {
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s_logger.debug("storage migration cleanup failed:" + e.toString());
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txn.rollback();
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}finally {
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txn.close();
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}
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return 0;
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}
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@Override
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public String getCleanupProcedure() {
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return null;
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}
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}
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