| /* |
| * 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.helper; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| |
| import org.apache.cloudstack.engine.subsystem.api.storage.VolumeDataFactory; |
| import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo; |
| import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao; |
| import org.apache.cloudstack.storage.datastore.db.StoragePoolVO; |
| import org.apache.cloudstack.storage.to.VolumeObjectTO; |
| import org.apache.cloudstack.storage.vmsnapshot.VMSnapshotHelper; |
| |
| import com.cloud.agent.api.VMSnapshotTO; |
| import com.cloud.exception.InvalidParameterValueException; |
| import com.cloud.host.Host; |
| import com.cloud.host.HostVO; |
| import com.cloud.host.dao.HostDao; |
| import com.cloud.storage.VolumeVO; |
| import com.cloud.storage.dao.VolumeDao; |
| import com.cloud.utils.fsm.NoTransitionException; |
| import com.cloud.utils.fsm.StateMachine2; |
| import com.cloud.vm.UserVmVO; |
| import com.cloud.vm.VirtualMachine; |
| import com.cloud.vm.dao.UserVmDao; |
| import com.cloud.vm.snapshot.VMSnapshot; |
| import com.cloud.vm.snapshot.VMSnapshotVO; |
| import com.cloud.vm.snapshot.dao.VMSnapshotDao; |
| |
| public class VMSnapshotHelperImpl implements VMSnapshotHelper { |
| @Inject |
| VMSnapshotDao _vmSnapshotDao; |
| @Inject |
| UserVmDao userVmDao; |
| @Inject |
| HostDao hostDao; |
| @Inject |
| VolumeDao volumeDao; |
| @Inject |
| PrimaryDataStoreDao primaryDataStoreDao; |
| @Inject |
| VolumeDataFactory volumeDataFactory; |
| |
| StateMachine2<VMSnapshot.State, VMSnapshot.Event, VMSnapshot> _vmSnapshottateMachine; |
| |
| public VMSnapshotHelperImpl() { |
| _vmSnapshottateMachine = VMSnapshot.State.getStateMachine(); |
| } |
| |
| @Override |
| public boolean vmSnapshotStateTransitTo(VMSnapshot vsnp, VMSnapshot.Event event) throws NoTransitionException { |
| return _vmSnapshottateMachine.transitTo(vsnp, event, null, _vmSnapshotDao); |
| } |
| |
| @Override |
| public Long pickRunningHost(Long vmId) { |
| UserVmVO vm = userVmDao.findById(vmId); |
| // use VM's host if VM is running |
| if (vm.getState() == VirtualMachine.State.Running) |
| return vm.getHostId(); |
| |
| // check if lastHostId is available |
| if (vm.getLastHostId() != null) { |
| HostVO lastHost = hostDao.findByIdIncludingRemoved(vm.getLastHostId()); |
| if (lastHost.getStatus() == com.cloud.host.Status.Up && !lastHost.isInMaintenanceStates()) |
| return lastHost.getId(); |
| } |
| |
| List<VolumeVO> listVolumes = volumeDao.findByInstance(vmId); |
| if (listVolumes == null || listVolumes.size() == 0) { |
| throw new InvalidParameterValueException("vmInstance has no volumes"); |
| } |
| VolumeVO volume = listVolumes.get(0); |
| Long poolId = volume.getPoolId(); |
| if (poolId == null) { |
| throw new InvalidParameterValueException("pool id is not found"); |
| } |
| StoragePoolVO storagePool = primaryDataStoreDao.findById(poolId); |
| if (storagePool == null) { |
| throw new InvalidParameterValueException("storage pool is not found"); |
| } |
| List<HostVO> listHost = |
| hostDao.listAllUpAndEnabledNonHAHosts(Host.Type.Routing, storagePool.getClusterId(), storagePool.getPodId(), storagePool.getDataCenterId(), null); |
| if (listHost == null || listHost.size() == 0) { |
| throw new InvalidParameterValueException("no host in up state is found"); |
| } |
| return listHost.get(0).getId(); |
| } |
| |
| @Override |
| public List<VolumeObjectTO> getVolumeTOList(Long vmId) { |
| List<VolumeObjectTO> volumeTOs = new ArrayList<VolumeObjectTO>(); |
| List<VolumeVO> volumeVos = volumeDao.findByInstance(vmId); |
| VolumeInfo volumeInfo = null; |
| for (VolumeVO volume : volumeVos) { |
| volumeInfo = volumeDataFactory.getVolume(volume.getId()); |
| |
| volumeTOs.add((VolumeObjectTO)volumeInfo.getTO()); |
| } |
| return volumeTOs; |
| } |
| |
| private VMSnapshotTO convert2VMSnapshotTO(VMSnapshotVO vo) { |
| return new VMSnapshotTO(vo.getId(), vo.getName(), vo.getType(), vo.getCreated().getTime(), vo.getDescription(), vo.getCurrent(), null, true); |
| } |
| |
| @Override |
| public VMSnapshotTO getSnapshotWithParents(VMSnapshotVO snapshot) { |
| Map<Long, VMSnapshotVO> snapshotMap = new HashMap<Long, VMSnapshotVO>(); |
| List<VMSnapshotVO> allSnapshots = _vmSnapshotDao.findByVm(snapshot.getVmId()); |
| for (VMSnapshotVO vmSnapshotVO : allSnapshots) { |
| snapshotMap.put(vmSnapshotVO.getId(), vmSnapshotVO); |
| } |
| |
| VMSnapshotTO currentTO = convert2VMSnapshotTO(snapshot); |
| VMSnapshotTO result = currentTO; |
| VMSnapshotVO current = snapshot; |
| while (current.getParent() != null) { |
| VMSnapshotVO parent = snapshotMap.get(current.getParent()); |
| if (parent == null) { |
| break; |
| } |
| currentTO.setParent(convert2VMSnapshotTO(parent)); |
| current = snapshotMap.get(current.getParent()); |
| currentTO = currentTO.getParent(); |
| } |
| return result; |
| } |
| |
| } |