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cloudstack/server/src/com/cloud/storage/VolumeManagerImpl.java

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/*
* 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.net.Inet6Address;
import java.net.InetAddress;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.ExecutionException;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import org.apache.cloudstack.api.BaseCmd;
import org.apache.cloudstack.api.command.user.volume.AttachVolumeCmd;
import org.apache.cloudstack.api.command.user.volume.CreateVolumeCmd;
import org.apache.cloudstack.api.command.user.volume.DetachVolumeCmd;
import org.apache.cloudstack.api.command.user.volume.MigrateVolumeCmd;
import org.apache.cloudstack.api.command.user.volume.ResizeVolumeCmd;
import org.apache.cloudstack.api.command.user.volume.UploadVolumeCmd;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStore;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreManager;
import org.apache.cloudstack.engine.subsystem.api.storage.DataStoreProviderManager;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateDataFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.PrimaryDataStoreInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.Scope;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotDataFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.StoragePoolAllocator;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeDataFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeService;
import org.apache.cloudstack.engine.subsystem.api.storage.VolumeService.VolumeApiResult;
import org.apache.cloudstack.framework.async.AsyncCallFuture;
import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
import org.apache.cloudstack.storage.datastore.db.VolumeDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.VolumeDataStoreVO;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Answer;
import com.cloud.agent.api.AttachVolumeAnswer;
import com.cloud.agent.api.AttachVolumeCommand;
import com.cloud.agent.api.to.VolumeTO;
import com.cloud.alert.AlertManager;
import com.cloud.api.ApiDBUtils;
import com.cloud.async.AsyncJobExecutor;
import com.cloud.async.AsyncJobManager;
import com.cloud.async.AsyncJobVO;
import com.cloud.async.BaseAsyncJobExecutor;
import com.cloud.capacity.CapacityManager;
import com.cloud.capacity.dao.CapacityDao;
import com.cloud.configuration.Config;
import com.cloud.configuration.ConfigurationManager;
import com.cloud.configuration.Resource.ResourceType;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.consoleproxy.ConsoleProxyManager;
import com.cloud.dc.ClusterVO;
import com.cloud.dc.DataCenter;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.HostPodVO;
import com.cloud.dc.dao.ClusterDao;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.dc.dao.HostPodDao;
import com.cloud.deploy.DeployDestination;
import com.cloud.domain.Domain;
import com.cloud.domain.dao.DomainDao;
import com.cloud.event.ActionEvent;
import com.cloud.event.EventTypes;
import com.cloud.event.UsageEventVO;
import com.cloud.event.dao.EventDao;
import com.cloud.event.dao.UsageEventDao;
import com.cloud.exception.ConcurrentOperationException;
import com.cloud.exception.InsufficientStorageCapacityException;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.exception.PermissionDeniedException;
import com.cloud.exception.ResourceAllocationException;
import com.cloud.exception.StorageUnavailableException;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.hypervisor.Hypervisor.HypervisorType;
import com.cloud.hypervisor.HypervisorGuruManager;
import com.cloud.hypervisor.dao.HypervisorCapabilitiesDao;
import com.cloud.network.NetworkModel;
import com.cloud.org.Grouping;
import com.cloud.resource.ResourceManager;
import com.cloud.server.ManagementServer;
import com.cloud.service.ServiceOfferingVO;
import com.cloud.service.dao.ServiceOfferingDao;
import com.cloud.storage.Storage.ImageFormat;
import com.cloud.storage.Storage.StoragePoolType;
import com.cloud.storage.Volume.Event;
import com.cloud.storage.Volume.Type;
import com.cloud.storage.dao.DiskOfferingDao;
import com.cloud.storage.dao.SnapshotDao;
import com.cloud.storage.dao.SnapshotPolicyDao;
import com.cloud.storage.dao.StoragePoolHostDao;
import com.cloud.storage.dao.StoragePoolWorkDao;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.storage.dao.VMTemplatePoolDao;
import com.cloud.storage.dao.VMTemplateS3Dao;
import com.cloud.storage.dao.VMTemplateSwiftDao;
import com.cloud.storage.dao.VolumeDao;
import com.cloud.storage.download.DownloadMonitor;
import com.cloud.storage.s3.S3Manager;
import com.cloud.storage.secondary.SecondaryStorageVmManager;
import com.cloud.storage.snapshot.SnapshotApiService;
import com.cloud.storage.snapshot.SnapshotManager;
import com.cloud.storage.snapshot.SnapshotScheduler;
import com.cloud.tags.dao.ResourceTagDao;
import com.cloud.template.TemplateManager;
import com.cloud.user.Account;
import com.cloud.user.AccountManager;
import com.cloud.user.ResourceLimitService;
import com.cloud.user.UserContext;
import com.cloud.user.dao.AccountDao;
import com.cloud.user.dao.UserDao;
import com.cloud.uservm.UserVm;
import com.cloud.utils.EnumUtils;
import com.cloud.utils.NumbersUtil;
import com.cloud.utils.Pair;
import com.cloud.utils.UriUtils;
import com.cloud.utils.component.ManagerBase;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.fsm.NoTransitionException;
import com.cloud.utils.fsm.StateMachine2;
import com.cloud.vm.DiskProfile;
import com.cloud.vm.UserVmManager;
import com.cloud.vm.UserVmVO;
import com.cloud.vm.VMInstanceVO;
import com.cloud.vm.VirtualMachine;
import com.cloud.vm.VirtualMachine.State;
import com.cloud.vm.VirtualMachineManager;
import com.cloud.vm.VirtualMachineProfile;
import com.cloud.vm.dao.ConsoleProxyDao;
import com.cloud.vm.dao.DomainRouterDao;
import com.cloud.vm.dao.SecondaryStorageVmDao;
import com.cloud.vm.dao.UserVmDao;
import com.cloud.vm.dao.VMInstanceDao;
import com.cloud.vm.snapshot.VMSnapshot;
import com.cloud.vm.snapshot.VMSnapshotVO;
import com.cloud.vm.snapshot.dao.VMSnapshotDao;
@Component
public class VolumeManagerImpl extends ManagerBase implements VolumeManager {
private static final Logger s_logger = Logger
.getLogger(VolumeManagerImpl.class);
@Inject
protected UserVmManager _userVmMgr;
@Inject
protected AgentManager _agentMgr;
@Inject
protected TemplateManager _tmpltMgr;
@Inject
protected AsyncJobManager _asyncMgr;
@Inject
protected SnapshotManager _snapshotMgr;
@Inject
protected SnapshotScheduler _snapshotScheduler;
@Inject
protected AccountManager _accountMgr;
@Inject
protected ConfigurationManager _configMgr;
@Inject
protected ConsoleProxyManager _consoleProxyMgr;
@Inject
protected SecondaryStorageVmManager _secStorageMgr;
@Inject
protected NetworkModel _networkMgr;
@Inject
protected ServiceOfferingDao _serviceOfferingDao;
@Inject
protected VolumeDao _volsDao;
@Inject
protected HostDao _hostDao;
@Inject
protected ConsoleProxyDao _consoleProxyDao;
@Inject
protected SnapshotDao _snapshotDao;
@Inject
protected SnapshotManager _snapMgr;
@Inject
protected SnapshotPolicyDao _snapshotPolicyDao;
@Inject
protected StoragePoolHostDao _storagePoolHostDao;
@Inject
protected AlertManager _alertMgr;
@Inject
protected TemplateDataStoreDao _vmTemplateStoreDao = null;
@Inject
protected VMTemplatePoolDao _vmTemplatePoolDao = null;
@Inject
protected VMTemplateSwiftDao _vmTemplateSwiftDao = null;
@Inject
protected VMTemplateS3Dao _vmTemplateS3Dao;
@Inject
protected S3Manager _s3Mgr;
@Inject
protected VMTemplateDao _vmTemplateDao = null;
@Inject
protected StoragePoolHostDao _poolHostDao = null;
@Inject
protected UserVmDao _userVmDao;
@Inject
VolumeDataStoreDao _volumeStoreDao;
@Inject
protected VMInstanceDao _vmInstanceDao;
@Inject
protected PrimaryDataStoreDao _storagePoolDao = null;
@Inject
protected CapacityDao _capacityDao;
@Inject
protected CapacityManager _capacityMgr;
@Inject
protected DiskOfferingDao _diskOfferingDao;
@Inject
protected AccountDao _accountDao;
@Inject
protected EventDao _eventDao = null;
@Inject
protected DataCenterDao _dcDao = null;
@Inject
protected HostPodDao _podDao = null;
@Inject
protected VMTemplateDao _templateDao;
@Inject
protected ServiceOfferingDao _offeringDao;
@Inject
protected DomainDao _domainDao;
@Inject
protected UserDao _userDao;
@Inject
protected ClusterDao _clusterDao;
@Inject
protected UsageEventDao _usageEventDao;
@Inject
protected VirtualMachineManager _vmMgr;
@Inject
protected DomainRouterDao _domrDao;
@Inject
protected SecondaryStorageVmDao _secStrgDao;
@Inject
protected StoragePoolWorkDao _storagePoolWorkDao;
@Inject
protected HypervisorGuruManager _hvGuruMgr;
@Inject
protected VolumeDao _volumeDao;
@Inject
protected OCFS2Manager _ocfs2Mgr;
@Inject
protected ResourceLimitService _resourceLimitMgr;
@Inject
protected SecondaryStorageVmManager _ssvmMgr;
@Inject
protected ResourceManager _resourceMgr;
@Inject
protected DownloadMonitor _downloadMonitor;
@Inject
protected ResourceTagDao _resourceTagDao;
@Inject
protected VMSnapshotDao _vmSnapshotDao;
@Inject
protected List<StoragePoolAllocator> _storagePoolAllocators;
@Inject
ConfigurationDao _configDao;
@Inject
ManagementServer _msServer;
@Inject
DataStoreManager dataStoreMgr;
@Inject
DataStoreProviderManager dataStoreProviderMgr;
@Inject
VolumeService volService;
@Inject
VolumeDataFactory volFactory;
@Inject
TemplateDataFactory tmplFactory;
@Inject
SnapshotDataFactory snapshotFactory;
@Inject
SnapshotApiService snapshotMgr;
private int _copyvolumewait;
@Inject
protected HypervisorCapabilitiesDao _hypervisorCapabilitiesDao;
private final StateMachine2<Volume.State, Volume.Event, Volume> _volStateMachine;
@Inject
StorageManager storageMgr;
private int _customDiskOfferingMinSize = 1;
private int _customDiskOfferingMaxSize = 1024;
private long _maxVolumeSizeInGb;
private boolean _recreateSystemVmEnabled;
public VolumeManagerImpl() {
_volStateMachine = Volume.State.getStateMachine();
}
@Override
public VolumeInfo moveVolume(VolumeInfo volume, long destPoolDcId,
Long destPoolPodId, Long destPoolClusterId,
HypervisorType dataDiskHyperType)
throws ConcurrentOperationException {
// Find a destination storage pool with the specified criteria
DiskOfferingVO diskOffering = _diskOfferingDao.findById(volume
.getDiskOfferingId());
DiskProfile dskCh = new DiskProfile(volume.getId(),
volume.getVolumeType(), volume.getName(), diskOffering.getId(),
diskOffering.getDiskSize(), diskOffering.getTagsArray(),
diskOffering.getUseLocalStorage(),
diskOffering.isRecreatable(), null);
dskCh.setHyperType(dataDiskHyperType);
DataCenterVO destPoolDataCenter = _dcDao.findById(destPoolDcId);
HostPodVO destPoolPod = _podDao.findById(destPoolPodId);
StoragePool destPool = storageMgr.findStoragePool(dskCh,
destPoolDataCenter, destPoolPod, destPoolClusterId, null, null,
new HashSet<StoragePool>());
if (destPool == null) {
throw new CloudRuntimeException(
"Failed to find a storage pool with enough capacity to move the volume to.");
}
Volume newVol = migrateVolume(volume, destPool);
return this.volFactory.getVolume(newVol.getId());
}
/*
* Upload the volume to secondary storage.
*/
@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_UPLOAD, eventDescription = "uploading volume", async = true)
public VolumeVO uploadVolume(UploadVolumeCmd cmd)
throws ResourceAllocationException {
Account caller = UserContext.current().getCaller();
long ownerId = cmd.getEntityOwnerId();
Long zoneId = cmd.getZoneId();
String volumeName = cmd.getVolumeName();
String url = cmd.getUrl();
String format = cmd.getFormat();
String imageStoreUuid = cmd.getImageStoreUuid();
DataStore store = this._tmpltMgr.getImageStore(imageStoreUuid, zoneId);
validateVolume(caller, ownerId, zoneId, volumeName, url, format);
VolumeVO volume = persistVolume(caller, ownerId, zoneId, volumeName,
url, cmd.getFormat());
VolumeInfo vol = this.volFactory.getVolume(volume.getId());
RegisterVolumePayload payload = new RegisterVolumePayload(cmd.getUrl(), cmd.getChecksum(),
cmd.getFormat());
vol.addPayload(payload);
this.volService.registerVolume(vol, store);
return volume;
}
private boolean validateVolume(Account caller, long ownerId, Long zoneId,
String volumeName, String url, String format)
throws ResourceAllocationException {
// permission check
_accountMgr.checkAccess(caller, null, true,
_accountMgr.getActiveAccountById(ownerId));
// Check that the resource limit for volumes won't be exceeded
_resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(ownerId),
ResourceType.volume);
// Verify that zone exists
DataCenterVO zone = _dcDao.findById(zoneId);
if (zone == null) {
throw new InvalidParameterValueException(
"Unable to find zone by id " + zoneId);
}
// Check if zone is disabled
if (Grouping.AllocationState.Disabled == zone.getAllocationState()
&& !_accountMgr.isRootAdmin(caller.getType())) {
throw new PermissionDeniedException(
"Cannot perform this operation, Zone is currently disabled: "
+ zoneId);
}
if (url.toLowerCase().contains("file://")) {
throw new InvalidParameterValueException(
"File:// type urls are currently unsupported");
}
ImageFormat imgfmt = ImageFormat.valueOf(format.toUpperCase());
if (imgfmt == null) {
throw new IllegalArgumentException("Image format is incorrect "
+ format + ". Supported formats are "
+ EnumUtils.listValues(ImageFormat.values()));
}
String userSpecifiedName = volumeName;
if (userSpecifiedName == null) {
userSpecifiedName = getRandomVolumeName();
}
if ((!url.toLowerCase().endsWith("vhd"))
&& (!url.toLowerCase().endsWith("vhd.zip"))
&& (!url.toLowerCase().endsWith("vhd.bz2"))
&& (!url.toLowerCase().endsWith("vhd.gz"))
&& (!url.toLowerCase().endsWith("qcow2"))
&& (!url.toLowerCase().endsWith("qcow2.zip"))
&& (!url.toLowerCase().endsWith("qcow2.bz2"))
&& (!url.toLowerCase().endsWith("qcow2.gz"))
&& (!url.toLowerCase().endsWith("ova"))
&& (!url.toLowerCase().endsWith("ova.zip"))
&& (!url.toLowerCase().endsWith("ova.bz2"))
&& (!url.toLowerCase().endsWith("ova.gz"))
&& (!url.toLowerCase().endsWith("img"))
&& (!url.toLowerCase().endsWith("raw"))) {
throw new InvalidParameterValueException("Please specify a valid "
+ format.toLowerCase());
}
if ((format.equalsIgnoreCase("vhd") && (!url.toLowerCase().endsWith(
".vhd")
&& !url.toLowerCase().endsWith("vhd.zip")
&& !url.toLowerCase().endsWith("vhd.bz2") && !url.toLowerCase()
.endsWith("vhd.gz")))
|| (format.equalsIgnoreCase("qcow2") && (!url.toLowerCase()
.endsWith(".qcow2")
&& !url.toLowerCase().endsWith("qcow2.zip")
&& !url.toLowerCase().endsWith("qcow2.bz2") && !url
.toLowerCase().endsWith("qcow2.gz")))
|| (format.equalsIgnoreCase("ova") && (!url.toLowerCase()
.endsWith(".ova")
&& !url.toLowerCase().endsWith("ova.zip")
&& !url.toLowerCase().endsWith("ova.bz2") && !url
.toLowerCase().endsWith("ova.gz")))
|| (format.equalsIgnoreCase("raw") && (!url.toLowerCase()
.endsWith(".img") && !url.toLowerCase().endsWith("raw")))) {
throw new InvalidParameterValueException(
"Please specify a valid URL. URL:" + url
+ " is an invalid for the format "
+ format.toLowerCase());
}
validateUrl(url);
// Check that the resource limit for secondary storage won't be exceeded
_resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(ownerId), ResourceType.secondary_storage,
UriUtils.getRemoteSize(url));
return false;
}
@Override
public VolumeVO allocateDuplicateVolume(VolumeVO oldVol, Long templateId) {
VolumeVO newVol = new VolumeVO(oldVol.getVolumeType(),
oldVol.getName(), oldVol.getDataCenterId(),
oldVol.getDomainId(), oldVol.getAccountId(),
oldVol.getDiskOfferingId(), oldVol.getSize());
if (templateId != null) {
newVol.setTemplateId(templateId);
} else {
newVol.setTemplateId(oldVol.getTemplateId());
}
newVol.setDeviceId(oldVol.getDeviceId());
newVol.setInstanceId(oldVol.getInstanceId());
newVol.setRecreatable(oldVol.isRecreatable());
return _volsDao.persist(newVol);
}
@DB
protected VolumeInfo createVolumeFromSnapshot(VolumeVO volume,
SnapshotVO snapshot) {
Account account = _accountDao.findById(volume.getAccountId());
final HashSet<StoragePool> poolsToAvoid = new HashSet<StoragePool>();
StoragePool pool = null;
Set<Long> podsToAvoid = new HashSet<Long>();
Pair<HostPodVO, Long> pod = null;
DiskOfferingVO diskOffering = _diskOfferingDao
.findByIdIncludingRemoved(volume.getDiskOfferingId());
DataCenterVO dc = _dcDao.findById(volume.getDataCenterId());
DiskProfile dskCh = new DiskProfile(volume, diskOffering,
snapshot.getHypervisorType());
// Determine what pod to store the volume in
while ((pod = _resourceMgr.findPod(null, null, dc, account.getId(),
podsToAvoid)) != null) {
podsToAvoid.add(pod.first().getId());
// Determine what storage pool to store the volume in
while ((pool = storageMgr.findStoragePool(dskCh, dc, pod.first(), null, null,
null, poolsToAvoid)) != null) {
break;
}
}
VolumeInfo vol = this.volFactory.getVolume(volume.getId());
DataStore store = this.dataStoreMgr.getDataStore(pool.getId(), DataStoreRole.Primary);
SnapshotInfo snapInfo = this.snapshotFactory.getSnapshot(snapshot.getId(), DataStoreRole.Image);
AsyncCallFuture<VolumeApiResult> future = this.volService.createVolumeFromSnapshot(vol, store, snapInfo);
try {
VolumeApiResult result = future.get();
if (result.isFailed()) {
s_logger.debug("Failed to create volume from snapshot:" + result.getResult());
throw new CloudRuntimeException("Failed to create volume from snapshot:" + result.getResult());
}
return result.getVolume();
} catch (InterruptedException e) {
s_logger.debug("Failed to create volume from snapshot", e);
throw new CloudRuntimeException("Failed to create volume from snapshot", e);
} catch (ExecutionException e) {
s_logger.debug("Failed to create volume from snapshot", e);
throw new CloudRuntimeException("Failed to create volume from snapshot", e);
}
}
protected DiskProfile createDiskCharacteristics(VolumeInfo volume,
VMTemplateVO template, DataCenterVO dc, DiskOfferingVO diskOffering) {
if (volume.getVolumeType() == Type.ROOT
&& Storage.ImageFormat.ISO != template.getFormat()) {
TemplateDataStoreVO ss = this._vmTemplateStoreDao.findByTemplateZoneDownloadStatus(template.getId(), dc.getId(),
VMTemplateStorageResourceAssoc.Status.DOWNLOADED);
if (ss == null) {
throw new CloudRuntimeException("Template "
+ template.getName()
+ " has not been completely downloaded to zone "
+ dc.getId());
}
return new DiskProfile(volume.getId(), volume.getVolumeType(),
volume.getName(), diskOffering.getId(), ss.getSize(),
diskOffering.getTagsArray(),
diskOffering.getUseLocalStorage(),
diskOffering.isRecreatable(),
Storage.ImageFormat.ISO != template.getFormat() ? template
.getId() : null);
} else {
return new DiskProfile(volume.getId(), volume.getVolumeType(),
volume.getName(), diskOffering.getId(),
diskOffering.getDiskSize(), diskOffering.getTagsArray(),
diskOffering.getUseLocalStorage(),
diskOffering.isRecreatable(), null);
}
}
protected VolumeVO createVolumeFromSnapshot(VolumeVO volume, long snapshotId) {
VolumeInfo createdVolume = null;
SnapshotVO snapshot = _snapshotDao.findById(snapshotId);
createdVolume = createVolumeFromSnapshot(volume,
snapshot);
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_VOLUME_CREATE,
createdVolume.getAccountId(),
createdVolume.getDataCenterId(), createdVolume.getId(),
createdVolume.getName(), createdVolume.getDiskOfferingId(),
null, createdVolume.getSize());
_usageEventDao.persist(usageEvent);
return this._volsDao.findById(createdVolume.getId());
}
@DB
public VolumeInfo copyVolumeFromSecToPrimary(VolumeInfo volume,
VMInstanceVO vm, VMTemplateVO template, DataCenterVO dc,
HostPodVO pod, Long clusterId, ServiceOfferingVO offering,
DiskOfferingVO diskOffering, List<StoragePool> avoids,
long size, HypervisorType hyperType) throws NoTransitionException {
final HashSet<StoragePool> avoidPools = new HashSet<StoragePool>(
avoids);
DiskProfile dskCh = createDiskCharacteristics(volume, template, dc,
diskOffering);
dskCh.setHyperType(vm.getHypervisorType());
// Find a suitable storage to create volume on
StoragePool destPool = storageMgr.findStoragePool(dskCh, dc, pod,
clusterId, null, vm, avoidPools);
DataStore destStore = this.dataStoreMgr.getDataStore(destPool.getId(), DataStoreRole.Primary);
AsyncCallFuture<VolumeApiResult> future = this.volService.copyVolume(volume, destStore);
try {
VolumeApiResult result = future.get();
if (result.isFailed()) {
s_logger.debug("copy volume failed: " + result.getResult());
throw new CloudRuntimeException("copy volume failed: " + result.getResult());
}
return result.getVolume();
} catch (InterruptedException e) {
s_logger.debug("Failed to copy volume: " + volume.getId(), e);
throw new CloudRuntimeException("Failed to copy volume", e);
} catch (ExecutionException e) {
s_logger.debug("Failed to copy volume: " + volume.getId(), e);
throw new CloudRuntimeException("Failed to copy volume", e);
}
}
@DB
public VolumeInfo createVolume(VolumeInfo volume, VMInstanceVO vm,
VMTemplateVO template, DataCenterVO dc, HostPodVO pod,
Long clusterId, ServiceOfferingVO offering,
DiskOfferingVO diskOffering, List<StoragePool> avoids,
long size, HypervisorType hyperType) {
StoragePool pool = null;
if (diskOffering != null && diskOffering.isCustomized()) {
diskOffering.setDiskSize(size);
}
DiskProfile dskCh = null;
if (volume.getVolumeType() == Type.ROOT
&& Storage.ImageFormat.ISO != template.getFormat()) {
dskCh = createDiskCharacteristics(volume, template, dc, offering);
} else {
dskCh = createDiskCharacteristics(volume, template, dc,
diskOffering);
}
dskCh.setHyperType(hyperType);
final HashSet<StoragePool> avoidPools = new HashSet<StoragePool>(
avoids);
pool = storageMgr.findStoragePool(dskCh, dc, pod, clusterId, vm.getHostId(),
vm, avoidPools);
if (pool == null) {
s_logger.warn("Unable to find storage poll when create volume "
+ volume.getName());
throw new CloudRuntimeException("Unable to find storage poll when create volume" + volume.getName());
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Trying to create " + volume + " on " + pool);
}
DataStore store = this.dataStoreMgr.getDataStore(pool.getId(), DataStoreRole.Primary);
AsyncCallFuture<VolumeApiResult> future = null;
boolean isNotCreatedFromTemplate = volume.getTemplateId() == null ? true : false;
if (isNotCreatedFromTemplate) {
future = this.volService.createVolumeAsync(volume, store);
} else {
TemplateInfo templ = this.tmplFactory.getTemplate(template.getId());
future = this.volService.createVolumeFromTemplateAsync(volume, store.getId(), templ);
}
try {
VolumeApiResult result = future.get();
if (result.isFailed()) {
s_logger.debug("create volume failed: " + result.getResult());
throw new CloudRuntimeException("create volume failed:" + result.getResult());
}
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_VOLUME_CREATE, volume.getAccountId(),
volume.getDataCenterId(), volume.getId(), volume.getName(),
volume.getDiskOfferingId(), null, volume.getSize());
_usageEventDao.persist(usageEvent);
return result.getVolume();
} catch (InterruptedException e) {
s_logger.error("create volume failed", e);
throw new CloudRuntimeException("create volume failed", e);
} catch (ExecutionException e) {
s_logger.error("create volume failed", e);
throw new CloudRuntimeException("create volume failed", e);
}
}
public String getRandomVolumeName() {
return UUID.randomUUID().toString();
}
private VolumeVO persistVolume(Account caller, long ownerId, Long zoneId,
String volumeName, String url, String format) {
Transaction txn = Transaction.currentTxn();
txn.start();
VolumeVO volume = new VolumeVO(volumeName, zoneId, -1, -1, -1,
new Long(-1), null, null, 0, Volume.Type.DATADISK);
volume.setPoolId(null);
volume.setDataCenterId(zoneId);
volume.setPodId(null);
volume.setAccountId(ownerId);
volume.setDomainId(((caller == null) ? Domain.ROOT_DOMAIN : caller
.getDomainId()));
long diskOfferingId = _diskOfferingDao.findByUniqueName(
"Cloud.com-Custom").getId();
volume.setDiskOfferingId(diskOfferingId);
// volume.setSize(size);
volume.setInstanceId(null);
volume.setUpdated(new Date());
volume.setDomainId((caller == null) ? Domain.ROOT_DOMAIN : caller
.getDomainId());
volume = _volsDao.persist(volume);
try {
stateTransitTo(volume, Event.UploadRequested);
} catch (NoTransitionException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
UserContext.current().setEventDetails("Volume Id: " + volume.getId());
// Increment resource count during allocation; if actual creation fails,
// decrement it
_resourceLimitMgr.incrementResourceCount(volume.getAccountId(),
ResourceType.volume);
_resourceLimitMgr.incrementResourceCount(volume.getAccountId(), ResourceType.secondary_storage,
UriUtils.getRemoteSize(url));
txn.commit();
return volume;
}
@Override
public boolean volumeOnSharedStoragePool(VolumeVO volume) {
Long poolId = volume.getPoolId();
if (poolId == null) {
return false;
} else {
StoragePoolVO pool = _storagePoolDao.findById(poolId);
if (pool == null) {
return false;
} else {
return (pool.getScope() == ScopeType.HOST) ? false : true;
}
}
}
@Override
public boolean volumeInactive(Volume volume) {
Long vmId = volume.getInstanceId();
if (vmId != null) {
UserVm vm = _userVmDao.findById(vmId);
if (vm == null) {
return true;
}
State state = vm.getState();
if (state.equals(State.Stopped) || state.equals(State.Destroyed)) {
return true;
}
}
return false;
}
@Override
public String getVmNameOnVolume(Volume volume) {
Long vmId = volume.getInstanceId();
if (vmId != null) {
VMInstanceVO vm = _vmInstanceDao.findById(vmId);
if (vm == null) {
return null;
}
return vm.getInstanceName();
}
return null;
}
/*
* Just allocate a volume in the database, don't send the createvolume cmd
* to hypervisor. The volume will be finally created only when it's attached
* to a VM.
*/
@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_CREATE, eventDescription = "creating volume", create = true)
public VolumeVO allocVolume(CreateVolumeCmd cmd)
throws ResourceAllocationException {
// FIXME: some of the scheduled event stuff might be missing here...
Account caller = UserContext.current().getCaller();
long ownerId = cmd.getEntityOwnerId();
// permission check
_accountMgr.checkAccess(caller, null, true,
_accountMgr.getActiveAccountById(ownerId));
// Check that the resource limit for volumes won't be exceeded
_resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(ownerId),
ResourceType.volume);
Long zoneId = cmd.getZoneId();
Long diskOfferingId = null;
DiskOfferingVO diskOffering = null;
Long size = null;
// Volume VO used for extracting the source template id
VolumeVO parentVolume = null;
// validate input parameters before creating the volume
if ((cmd.getSnapshotId() == null && cmd.getDiskOfferingId() == null)
|| (cmd.getSnapshotId() != null && cmd.getDiskOfferingId() != null)) {
throw new InvalidParameterValueException(
"Either disk Offering Id or snapshot Id must be passed whilst creating volume");
}
if (cmd.getSnapshotId() == null) {// create a new volume
diskOfferingId = cmd.getDiskOfferingId();
size = cmd.getSize();
Long sizeInGB = size;
if (size != null) {
if (size > 0) {
size = size * 1024 * 1024 * 1024; // user specify size in GB
} else {
throw new InvalidParameterValueException(
"Disk size must be larger than 0");
}
}
// Check that the the disk offering is specified
diskOffering = _diskOfferingDao.findById(diskOfferingId);
if ((diskOffering == null) || diskOffering.getRemoved() != null
|| !DiskOfferingVO.Type.Disk.equals(diskOffering.getType())) {
throw new InvalidParameterValueException(
"Please specify a valid disk offering.");
}
if (diskOffering.isCustomized()) {
if (size == null) {
throw new InvalidParameterValueException(
"This disk offering requires a custom size specified");
}
if ((sizeInGB < _customDiskOfferingMinSize)
|| (sizeInGB > _customDiskOfferingMaxSize)) {
throw new InvalidParameterValueException("Volume size: "
+ sizeInGB + "GB is out of allowed range. Max: "
+ _customDiskOfferingMaxSize + " Min:"
+ _customDiskOfferingMinSize);
}
}
if (!diskOffering.isCustomized() && size != null) {
throw new InvalidParameterValueException(
"This disk offering does not allow custom size");
}
if (diskOffering.getDomainId() == null) {
// do nothing as offering is public
} else {
_configMgr.checkDiskOfferingAccess(caller, diskOffering);
}
if (diskOffering.getDiskSize() > 0) {
size = diskOffering.getDiskSize();
}
if (!validateVolumeSizeRange(size)) {// convert size from mb to gb
// for validation
throw new InvalidParameterValueException(
"Invalid size for custom volume creation: " + size
+ " ,max volume size is:" + _maxVolumeSizeInGb);
}
} else { // create volume from snapshot
Long snapshotId = cmd.getSnapshotId();
SnapshotVO snapshotCheck = _snapshotDao.findById(snapshotId);
if (snapshotCheck == null) {
throw new InvalidParameterValueException(
"unable to find a snapshot with id " + snapshotId);
}
if (snapshotCheck.getState() != Snapshot.State.BackedUp) {
throw new InvalidParameterValueException("Snapshot id="
+ snapshotId + " is not in " + Snapshot.State.BackedUp
+ " state yet and can't be used for volume creation");
}
parentVolume = _volsDao.findByIdIncludingRemoved(snapshotCheck.getVolumeId());
diskOfferingId = snapshotCheck.getDiskOfferingId();
diskOffering = _diskOfferingDao.findById(diskOfferingId);
zoneId = snapshotCheck.getDataCenterId();
size = snapshotCheck.getSize(); // ; disk offering is used for tags
// purposes
// check snapshot permissions
_accountMgr.checkAccess(caller, null, true, snapshotCheck);
}
// Check that the resource limit for primary storage won't be exceeded
_resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(ownerId), ResourceType.primary_storage,
new Long(size));
// Verify that zone exists
DataCenterVO zone = _dcDao.findById(zoneId);
if (zone == null) {
throw new InvalidParameterValueException(
"Unable to find zone by id " + zoneId);
}
// Check if zone is disabled
if (Grouping.AllocationState.Disabled == zone.getAllocationState()
&& !_accountMgr.isRootAdmin(caller.getType())) {
throw new PermissionDeniedException(
"Cannot perform this operation, Zone is currently disabled: "
+ zoneId);
}
// If local storage is disabled then creation of volume with local disk
// offering not allowed
if (!zone.isLocalStorageEnabled() && diskOffering.getUseLocalStorage()) {
throw new InvalidParameterValueException(
"Zone is not configured to use local storage but volume's disk offering "
+ diskOffering.getName() + " uses it");
}
String userSpecifiedName = cmd.getVolumeName();
if (userSpecifiedName == null) {
userSpecifiedName = getRandomVolumeName();
}
Transaction txn = Transaction.currentTxn();
txn.start();
VolumeVO volume = new VolumeVO(userSpecifiedName, -1, -1, -1, -1,
new Long(-1), null, null, 0, Volume.Type.DATADISK);
volume.setPoolId(null);
volume.setDataCenterId(zoneId);
volume.setPodId(null);
volume.setAccountId(ownerId);
volume.setDomainId(((caller == null) ? Domain.ROOT_DOMAIN : caller
.getDomainId()));
volume.setDiskOfferingId(diskOfferingId);
volume.setSize(size);
volume.setInstanceId(null);
volume.setUpdated(new Date());
volume.setDomainId((caller == null) ? Domain.ROOT_DOMAIN : caller
.getDomainId());
if (parentVolume != null) {
volume.setTemplateId(parentVolume.getTemplateId());
} else {
volume.setTemplateId(null);
}
volume = _volsDao.persist(volume);
if (cmd.getSnapshotId() == null) {
// for volume created from snapshot, create usage event after volume
// creation
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_VOLUME_CREATE, volume.getAccountId(),
volume.getDataCenterId(), volume.getId(), volume.getName(),
diskOfferingId, null, size);
_usageEventDao.persist(usageEvent);
}
UserContext.current().setEventDetails("Volume Id: " + volume.getId());
// Increment resource count during allocation; if actual creation fails,
// decrement it
_resourceLimitMgr.incrementResourceCount(volume.getAccountId(),
ResourceType.volume);
_resourceLimitMgr.incrementResourceCount(volume.getAccountId(), ResourceType.primary_storage,
new Long(volume.getSize()));
txn.commit();
return volume;
}
@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_CREATE, eventDescription = "creating volume", async = true)
public VolumeVO createVolume(CreateVolumeCmd cmd) {
VolumeVO volume = _volsDao.findById(cmd.getEntityId());
boolean created = true;
try {
if (cmd.getSnapshotId() != null) {
volume = createVolumeFromSnapshot(volume, cmd.getSnapshotId());
if (volume.getState() != Volume.State.Ready) {
created = false;
}
}
return volume;
} catch(Exception e) {
created = false;
s_logger.debug("Failed to create volume: " + volume.getId(), e);
return null;
} finally {
if (!created) {
s_logger.trace("Decrementing volume resource count for account id="
+ volume.getAccountId()
+ " as volume failed to create on the backend");
_resourceLimitMgr.decrementResourceCount(volume.getAccountId(),
ResourceType.volume);
_resourceLimitMgr.decrementResourceCount(volume.getAccountId(), ResourceType.primary_storage,
new Long(volume.getSize()));
}
}
}
@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_RESIZE, eventDescription = "resizing volume", async = true)
public VolumeVO resizeVolume(ResizeVolumeCmd cmd)
throws ResourceAllocationException {
Long newSize = null;
boolean shrinkOk = cmd.getShrinkOk();
VolumeVO volume = _volsDao.findById(cmd.getEntityId());
if (volume == null) {
throw new InvalidParameterValueException("No such volume");
}
DiskOfferingVO diskOffering = _diskOfferingDao.findById(volume
.getDiskOfferingId());
DiskOfferingVO newDiskOffering = null;
newDiskOffering = _diskOfferingDao.findById(cmd.getNewDiskOfferingId());
/*
* Volumes with no hypervisor have never been assigned, and can be
* resized by recreating. perhaps in the future we can just update the
* db entry for the volume
*/
if (_volsDao.getHypervisorType(volume.getId()) == HypervisorType.None) {
throw new InvalidParameterValueException(
"Can't resize a volume that has never been attached, not sure which hypervisor type. Recreate volume to resize.");
}
/* Only works for KVM/Xen for now */
if (_volsDao.getHypervisorType(volume.getId()) != HypervisorType.KVM
&& _volsDao.getHypervisorType(volume.getId()) != HypervisorType.XenServer) {
throw new InvalidParameterValueException(
"Cloudstack currently only supports volumes marked as KVM or XenServer hypervisor for resize");
}
if (volume.getState() != Volume.State.Ready) {
throw new InvalidParameterValueException(
"Volume should be in ready state before attempting a resize");
}
if (!volume.getVolumeType().equals(Volume.Type.DATADISK)) {
throw new InvalidParameterValueException(
"Can only resize DATA volumes");
}
/*
* figure out whether or not a new disk offering or size parameter is
* required, get the correct size value
*/
if (newDiskOffering == null) {
if (diskOffering.isCustomized()) {
newSize = cmd.getSize();
if (newSize == null) {
throw new InvalidParameterValueException(
"new offering is of custom size, need to specify a size");
}
newSize = (newSize << 30);
} else {
throw new InvalidParameterValueException("current offering"
+ volume.getDiskOfferingId()
+ " cannot be resized, need to specify a disk offering");
}
} else {
if (newDiskOffering.getRemoved() != null
|| !DiskOfferingVO.Type.Disk.equals(newDiskOffering
.getType())) {
throw new InvalidParameterValueException(
"Disk offering ID is missing or invalid");
}
if (diskOffering.getTags() != null) {
if (!newDiskOffering.getTags().equals(diskOffering.getTags())) {
throw new InvalidParameterValueException(
"Tags on new and old disk offerings must match");
}
} else if (newDiskOffering.getTags() != null) {
throw new InvalidParameterValueException(
"There are no tags on current disk offering, new disk offering needs to have no tags");
}
if (newDiskOffering.getDomainId() == null) {
// do nothing as offering is public
} else {
_configMgr.checkDiskOfferingAccess(UserContext.current()
.getCaller(), newDiskOffering);
}
if (newDiskOffering.isCustomized()) {
newSize = cmd.getSize();
if (newSize == null) {
throw new InvalidParameterValueException(
"new offering is of custom size, need to specify a size");
}
newSize = (newSize << 30);
} else {
newSize = newDiskOffering.getDiskSize();
}
}
if (newSize == null) {
throw new InvalidParameterValueException(
"could not detect a size parameter or fetch one from the diskofferingid parameter");
}
if (!validateVolumeSizeRange(newSize)) {
throw new InvalidParameterValueException(
"Requested size out of range");
}
/* does the caller have the authority to act on this volume? */
_accountMgr.checkAccess(UserContext.current().getCaller(), null, true,
volume);
UserVmVO userVm = _userVmDao.findById(volume.getInstanceId());
PrimaryDataStoreInfo pool = (PrimaryDataStoreInfo)this.dataStoreMgr.getDataStore(volume.getPoolId(), DataStoreRole.Primary);
long currentSize = volume.getSize();
/*
* lets make certain they (think they) know what they're doing if they
* want to shrink, by forcing them to provide the shrinkok parameter.
* This will be checked again at the hypervisor level where we can see
* the actual disk size
*/
if (currentSize > newSize && !shrinkOk) {
throw new InvalidParameterValueException(
"Going from existing size of "
+ currentSize
+ " to size of "
+ newSize
+ " would shrink the volume, need to sign off by supplying the shrinkok parameter with value of true");
}
if (!shrinkOk) {
/* Check resource limit for this account on primary storage resource */
_resourceLimitMgr.checkResourceLimit(_accountMgr.getAccount(volume.getAccountId()),
ResourceType.primary_storage, new Long(newSize - currentSize));
}
/*
* get a list of hosts to send the commands to, try the system the
* associated vm is running on first, then the last known place it ran.
* If not attached to a userVm, we pass 'none' and resizevolume.sh is ok
* with that since it only needs the vm name to live resize
*/
long[] hosts = null;
String instanceName = "none";
if (userVm != null) {
instanceName = userVm.getInstanceName();
if (userVm.getHostId() != null) {
hosts = new long[] { userVm.getHostId() };
} else if (userVm.getLastHostId() != null) {
hosts = new long[] { userVm.getLastHostId() };
}
/* Xen only works offline, SR does not support VDI.resizeOnline */
if (_volsDao.getHypervisorType(volume.getId()) == HypervisorType.XenServer
&& !userVm.getState().equals(State.Stopped)) {
throw new InvalidParameterValueException(
"VM must be stopped or disk detached in order to resize with the Xen HV");
}
}
ResizeVolumePayload payload = new ResizeVolumePayload(newSize, shrinkOk, instanceName, hosts);
try {
VolumeInfo vol = this.volFactory.getVolume(volume.getId());
vol.addPayload(payload);
AsyncCallFuture<VolumeApiResult> future = this.volService.resize(vol);
future.get();
volume = _volsDao.findById(volume.getId());
if (newDiskOffering != null) {
volume.setDiskOfferingId(cmd.getNewDiskOfferingId());
}
_volsDao.update(volume.getId(), volume);
/* Update resource count for the account on primary storage resource */
if (!shrinkOk) {
_resourceLimitMgr.incrementResourceCount(volume.getAccountId(), ResourceType.primary_storage,
new Long(newSize - currentSize));
} else {
_resourceLimitMgr.decrementResourceCount(volume.getAccountId(), ResourceType.primary_storage,
new Long(currentSize - newSize));
}
return volume;
} catch (InterruptedException e) {
s_logger.debug("failed get resize volume result", e);
} catch (ExecutionException e) {
s_logger.debug("failed get resize volume result", e);
} catch (Exception e) {
s_logger.debug("failed get resize volume result", e);
}
return null;
}
@Override
@DB
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_DELETE, eventDescription = "deleting volume")
public boolean deleteVolume(long volumeId, Account caller)
throws ConcurrentOperationException {
VolumeVO volume = _volsDao.findById(volumeId);
if (volume == null) {
throw new InvalidParameterValueException(
"Unable to aquire volume with ID: " + volumeId);
}
if (!_snapshotMgr.canOperateOnVolume(volume)) {
throw new InvalidParameterValueException(
"There are snapshot creating on it, Unable to delete the volume");
}
_accountMgr.checkAccess(caller, null, true, volume);
if (volume.getInstanceId() != null) {
throw new InvalidParameterValueException(
"Please specify a volume that is not attached to any VM.");
}
if (volume.getState() == Volume.State.UploadOp) {
VolumeDataStoreVO volumeStore = _volumeStoreDao.findByVolume(volume
.getId());
if (volumeStore.getDownloadState() == VMTemplateStorageResourceAssoc.Status.DOWNLOAD_IN_PROGRESS) {
throw new InvalidParameterValueException(
"Please specify a volume that is not uploading");
}
}
try {
if (volume.getState() != Volume.State.Destroy && volume.getState() != Volume.State.Expunging && volume.getState() != Volume.State.Expunging) {
Long instanceId = volume.getInstanceId();
if (!this.volService.destroyVolume(volume.getId())) {
return false;
}
VMInstanceVO vmInstance = this._vmInstanceDao.findById(instanceId);
if (instanceId == null
|| (vmInstance.getType().equals(VirtualMachine.Type.User))) {
// Decrement the resource count for volumes and primary storage belonging user VM's only
_resourceLimitMgr.decrementResourceCount(volume.getAccountId(),
ResourceType.volume);
/* If volume is in primary storage, decrement primary storage count else decrement secondary
storage count (in case of upload volume). */
if (volume.getFolder() != null) {
_resourceLimitMgr.decrementResourceCount(volume.getAccountId(), ResourceType.primary_storage,
new Long(volume.getSize()));
} else {
_resourceLimitMgr.recalculateResourceCount(volume.getAccountId(), volume.getDomainId(),
ResourceType.secondary_storage.getOrdinal());
}
// Log usage event for volumes belonging user VM's only
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_VOLUME_DELETE, volume.getAccountId(),
volume.getDataCenterId(), volume.getId(), volume.getName());
_usageEventDao.persist(usageEvent);
}
}
AsyncCallFuture<VolumeApiResult> future = this.volService.expungeVolumeAsync(this.volFactory.getVolume(volume.getId()));
future.get();
} catch (Exception e) {
s_logger.warn("Failed to expunge volume:", e);
return false;
}
return true;
}
private boolean validateVolumeSizeRange(long size) {
if (size < 0 || (size > 0 && size < (1024 * 1024 * 1024))) {
throw new InvalidParameterValueException(
"Please specify a size of at least 1 Gb.");
} else if (size > (_maxVolumeSizeInGb * 1024 * 1024 * 1024)) {
throw new InvalidParameterValueException("volume size " + size
+ ", but the maximum size allowed is " + _maxVolumeSizeInGb
+ " Gb.");
}
return true;
}
protected DiskProfile toDiskProfile(VolumeVO vol, DiskOfferingVO offering) {
return new DiskProfile(vol.getId(), vol.getVolumeType(), vol.getName(),
offering.getId(), vol.getSize(), offering.getTagsArray(),
offering.getUseLocalStorage(), offering.isRecreatable(),
vol.getTemplateId());
}
@Override
public DiskProfile allocateRawVolume(Type type,
String name, DiskOfferingVO offering, Long size, VMInstanceVO vm, Account owner) {
if (size == null) {
size = offering.getDiskSize();
} else {
size = (size * 1024 * 1024 * 1024);
}
VolumeVO vol = new VolumeVO(type, name, vm.getDataCenterId(),
owner.getDomainId(), owner.getId(), offering.getId(), size);
if (vm != null) {
vol.setInstanceId(vm.getId());
}
if (type.equals(Type.ROOT)) {
vol.setDeviceId(0l);
} else {
vol.setDeviceId(1l);
}
vol = _volsDao.persist(vol);
// Save usage event and update resource count for user vm volumes
if (vm instanceof UserVm) {
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_VOLUME_CREATE, vol.getAccountId(),
vol.getDataCenterId(), vol.getId(), vol.getName(),
offering.getId(), null, size);
_usageEventDao.persist(usageEvent);
_resourceLimitMgr.incrementResourceCount(vm.getAccountId(),
ResourceType.volume);
_resourceLimitMgr.incrementResourceCount(vm.getAccountId(), ResourceType.primary_storage,
new Long(vol.getSize()));
}
return toDiskProfile(vol, offering);
}
@Override
public DiskProfile allocateTemplatedVolume(
Type type, String name, DiskOfferingVO offering,
VMTemplateVO template, VMInstanceVO vm, Account owner) {
assert (template.getFormat() != ImageFormat.ISO) : "ISO is not a template really....";
Long size = this._tmpltMgr.getTemplateSize(template.getId(), vm.getDataCenterId());
VolumeVO vol = new VolumeVO(type, name, vm.getDataCenterId(),
owner.getDomainId(), owner.getId(), offering.getId(), size);
if (vm != null) {
vol.setInstanceId(vm.getId());
}
vol.setTemplateId(template.getId());
if (type.equals(Type.ROOT)) {
vol.setDeviceId(0l);
if (!vm.getType().equals(VirtualMachine.Type.User)) {
vol.setRecreatable(true);
}
} else {
vol.setDeviceId(1l);
}
vol = _volsDao.persist(vol);
// Create event and update resource count for volumes if vm is a user vm
if (vm instanceof UserVm) {
Long offeringId = null;
if (offering.getType() == DiskOfferingVO.Type.Disk) {
offeringId = offering.getId();
}
UsageEventVO usageEvent = new UsageEventVO(
EventTypes.EVENT_VOLUME_CREATE, vol.getAccountId(),
vol.getDataCenterId(), vol.getId(), vol.getName(),
offeringId, template.getId(), vol.getSize());
_usageEventDao.persist(usageEvent);
_resourceLimitMgr.incrementResourceCount(vm.getAccountId(),
ResourceType.volume);
_resourceLimitMgr.incrementResourceCount(vm.getAccountId(), ResourceType.primary_storage,
new Long(vol.getSize()));
}
return toDiskProfile(vol, offering);
}
private String getSupportedImageFormatForCluster(Long clusterId) {
ClusterVO cluster = ApiDBUtils.findClusterById(clusterId);
if (cluster.getHypervisorType() == HypervisorType.XenServer) {
return "vhd";
} else if (cluster.getHypervisorType() == HypervisorType.KVM) {
return "qcow2";
} else if (cluster.getHypervisorType() == HypervisorType.VMware) {
return "ova";
} else if (cluster.getHypervisorType() == HypervisorType.Ovm) {
return "raw";
} else {
return null;
}
}
private VolumeInfo copyVolume(StoragePoolVO rootDiskPool
, VolumeInfo volume, VMInstanceVO vm, VMTemplateVO rootDiskTmplt, DataCenterVO dcVO,
HostPodVO pod, DiskOfferingVO diskVO, ServiceOfferingVO svo, HypervisorType rootDiskHyperType) throws NoTransitionException {
VolumeDataStoreVO volStoreVO = _volumeStoreDao.findByStoreVolume(volume.getDataStore().getId(), volume.getId());
if (!volStoreVO
.getFormat()
.getFileExtension()
.equals(
getSupportedImageFormatForCluster(rootDiskPool
.getClusterId()))) {
throw new InvalidParameterValueException(
"Failed to attach volume to VM since volumes format "
+ volStoreVO.getFormat()
.getFileExtension()
+ " is not compatible with the vm hypervisor type");
}
VolumeInfo volumeOnPrimary = copyVolumeFromSecToPrimary(volume,
vm, rootDiskTmplt, dcVO, pod,
rootDiskPool.getClusterId(), svo, diskVO,
new ArrayList<StoragePool>(),
volume.getSize(), rootDiskHyperType);
return volumeOnPrimary;
}
private VolumeInfo createVolumeOnPrimaryStorage(VMInstanceVO vm, VolumeVO rootVolumeOfVm, VolumeInfo volume, HypervisorType rootDiskHyperType) throws NoTransitionException {
VMTemplateVO rootDiskTmplt = _templateDao.findById(vm
.getTemplateId());
DataCenterVO dcVO = _dcDao.findById(vm
.getDataCenterId());
HostPodVO pod = _podDao.findById(vm.getPodIdToDeployIn());
StoragePoolVO rootDiskPool = _storagePoolDao
.findById(rootVolumeOfVm.getPoolId());
ServiceOfferingVO svo = _serviceOfferingDao.findById(vm
.getServiceOfferingId());
DiskOfferingVO diskVO = _diskOfferingDao.findById(volume
.getDiskOfferingId());
Long clusterId = (rootDiskPool == null ? null : rootDiskPool
.getClusterId());
VolumeInfo vol = null;
if (volume.getState() == Volume.State.Allocated) {
vol = createVolume(volume, vm,
rootDiskTmplt, dcVO, pod, clusterId, svo, diskVO,
new ArrayList<StoragePool>(), volume.getSize(),
rootDiskHyperType);
} else if (volume.getState() == Volume.State.Uploaded) {
vol = copyVolume(rootDiskPool
, volume, vm, rootDiskTmplt, dcVO,
pod, diskVO, svo, rootDiskHyperType);
if (vol != null) {
// Moving of Volume is successful, decrement the volume resource count from secondary for an account and increment it into primary storage under same account.
_resourceLimitMgr.decrementResourceCount(volume.getAccountId(),
ResourceType.secondary_storage, new Long(volume.getSize()));
_resourceLimitMgr.incrementResourceCount(volume.getAccountId(),
ResourceType.primary_storage, new Long(volume.getSize()));
}
}
return vol;
}
private boolean needMoveVolume(VolumeVO rootVolumeOfVm, VolumeInfo volume) {
DataStore storeForRootVol = this.dataStoreMgr.getPrimaryDataStore(rootVolumeOfVm.getPoolId());
DataStore storeForDataVol = this.dataStoreMgr.getPrimaryDataStore(volume.getPoolId());
Scope storeForRootStoreScope = storeForRootVol.getScope();
if (storeForRootStoreScope == null) {
throw new CloudRuntimeException("Can't get scope of data store: " + storeForRootVol.getId());
}
Scope storeForDataStoreScope = storeForDataVol.getScope();
if (storeForDataStoreScope == null) {
throw new CloudRuntimeException("Can't get scope of data store: " + storeForDataVol.getId());
}
if (storeForDataStoreScope.getScopeType() == ScopeType.ZONE) {
return false;
}
if (storeForRootStoreScope.getScopeType() != storeForDataStoreScope.getScopeType()) {
throw new CloudRuntimeException("Can't move volume between scope: " + storeForDataStoreScope.getScopeType() + " and " + storeForRootStoreScope.getScopeType());
}
return !storeForRootStoreScope.isSameScope(storeForDataStoreScope);
}
private VolumeVO sendAttachVolumeCommand(UserVmVO vm, VolumeVO volume, Long deviceId) {
String errorMsg = "Failed to attach volume: " + volume.getName()
+ " to VM: " + vm.getHostName();
boolean sendCommand = (vm.getState() == State.Running);
AttachVolumeAnswer answer = null;
Long hostId = vm.getHostId();
if (hostId == null) {
hostId = vm.getLastHostId();
HostVO host = _hostDao.findById(hostId);
if (host != null
&& host.getHypervisorType() == HypervisorType.VMware) {
sendCommand = true;
}
}
if (sendCommand) {
StoragePoolVO volumePool = _storagePoolDao.findById(volume
.getPoolId());
AttachVolumeCommand cmd = new AttachVolumeCommand(true,
vm.getInstanceName(), volume.getPoolType(),
volume.getFolder(), volume.getPath(), volume.getName(),
deviceId, volume.getChainInfo());
cmd.setPoolUuid(volumePool.getUuid());
try {
answer = (AttachVolumeAnswer) _agentMgr.send(hostId, cmd);
} catch (Exception e) {
throw new CloudRuntimeException(errorMsg + " due to: "
+ e.getMessage());
}
}
if (!sendCommand || (answer != null && answer.getResult())) {
// Mark the volume as attached
if (sendCommand) {
_volsDao.attachVolume(volume.getId(), vm.getId(),
answer.getDeviceId());
} else {
_volsDao.attachVolume(volume.getId(), vm.getId(), deviceId);
}
return _volsDao.findById(volume.getId());
} else {
if (answer != null) {
String details = answer.getDetails();
if (details != null && !details.isEmpty()) {
errorMsg += "; " + details;
}
}
throw new CloudRuntimeException(errorMsg);
}
}
private int getMaxDataVolumesSupported(UserVmVO vm) {
Long hostId = vm.getHostId();
if (hostId == null) {
hostId = vm.getLastHostId();
}
HostVO host = _hostDao.findById(hostId);
Integer maxDataVolumesSupported = null;
if (host != null) {
_hostDao.loadDetails(host);
maxDataVolumesSupported = _hypervisorCapabilitiesDao
.getMaxDataVolumesLimit(host.getHypervisorType(),
host.getDetail("product_version"));
}
if (maxDataVolumesSupported == null) {
maxDataVolumesSupported = 6; // 6 data disks by default if nothing
// is specified in
// 'hypervisor_capabilities' table
}
return maxDataVolumesSupported.intValue();
}
@Override
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_ATTACH, eventDescription = "attaching volume", async = true)
public Volume attachVolumeToVM(AttachVolumeCmd command) {
Long vmId = command.getVirtualMachineId();
Long volumeId = command.getId();
Long deviceId = command.getDeviceId();
Account caller = UserContext.current().getCaller();
// Check that the volume ID is valid
VolumeInfo volume = volFactory.getVolume(volumeId);
// Check that the volume is a data volume
if (volume == null || volume.getVolumeType() != Volume.Type.DATADISK) {
throw new InvalidParameterValueException(
"Please specify a valid data volume.");
}
// Check that the volume is not currently attached to any VM
if (volume.getInstanceId() != null) {
throw new InvalidParameterValueException(
"Please specify a volume that is not attached to any VM.");
}
// Check that the volume is not destroyed
if (volume.getState() == Volume.State.Destroy) {
throw new InvalidParameterValueException(
"Please specify a volume that is not destroyed.");
}
// Check that the virtual machine ID is valid and it's a user vm
UserVmVO vm = _userVmDao.findById(vmId);
if (vm == null || vm.getType() != VirtualMachine.Type.User) {
throw new InvalidParameterValueException(
"Please specify a valid User VM.");
}
// Check that the VM is in the correct state
if (vm.getState() != State.Running && vm.getState() != State.Stopped) {
throw new InvalidParameterValueException(
"Please specify a VM that is either running or stopped.");
}
// Check that the device ID is valid
if (deviceId != null) {
if (deviceId.longValue() == 0) {
throw new InvalidParameterValueException(
"deviceId can't be 0, which is used by Root device");
}
}
// Check that the number of data volumes attached to VM is less than
// that supported by hypervisor
List<VolumeVO> existingDataVolumes = _volsDao.findByInstanceAndType(
vmId, Volume.Type.DATADISK);
int maxDataVolumesSupported = getMaxDataVolumesSupported(vm);
if (existingDataVolumes.size() >= maxDataVolumesSupported) {
throw new InvalidParameterValueException(
"The specified VM already has the maximum number of data disks ("
+ maxDataVolumesSupported
+ "). Please specify another VM.");
}
// Check that the VM and the volume are in the same zone
if (vm.getDataCenterId() != volume.getDataCenterId()) {
throw new InvalidParameterValueException(
"Please specify a VM that is in the same zone as the volume.");
}
// If local storage is disabled then attaching a volume with local disk
// offering not allowed
DataCenterVO dataCenter = _dcDao.findById(volume.getDataCenterId());
if (!dataCenter.isLocalStorageEnabled()) {
DiskOfferingVO diskOffering = _diskOfferingDao.findById(volume
.getDiskOfferingId());
if (diskOffering.getUseLocalStorage()) {
throw new InvalidParameterValueException(
"Zone is not configured to use local storage but volume's disk offering "
+ diskOffering.getName() + " uses it");
}
}
// if target VM has associated VM snapshots
List<VMSnapshotVO> vmSnapshots = _vmSnapshotDao.findByVm(vmId);
if(vmSnapshots.size() > 0){
throw new InvalidParameterValueException(
"Unable to attach volume, please specify a VM that does not have VM snapshots");
}
// permission check
_accountMgr.checkAccess(caller, null, true, volume, vm);
if (!(Volume.State.Allocated.equals(volume.getState())
|| Volume.State.Ready.equals(volume.getState()) || Volume.State.Uploaded
.equals(volume.getState()))) {
throw new InvalidParameterValueException(
"Volume state must be in Allocated, Ready or in Uploaded state");
}
VolumeVO rootVolumeOfVm = null;
List<VolumeVO> rootVolumesOfVm = _volsDao.findByInstanceAndType(vmId,
Volume.Type.ROOT);
if (rootVolumesOfVm.size() != 1) {
throw new CloudRuntimeException(
"The VM "
+ vm.getHostName()
+ " has more than one ROOT volume and is in an invalid state.");
} else {
rootVolumeOfVm = rootVolumesOfVm.get(0);
}
HypervisorType rootDiskHyperType = vm.getHypervisorType();
HypervisorType dataDiskHyperType = _volsDao.getHypervisorType(volume
.getId());
if (dataDiskHyperType != HypervisorType.None
&& rootDiskHyperType != dataDiskHyperType) {
throw new InvalidParameterValueException(
"Can't attach a volume created by: " + dataDiskHyperType
+ " to a " + rootDiskHyperType + " vm");
}
deviceId = getDeviceId(vmId, deviceId);
VolumeInfo volumeOnPrimaryStorage = volume;
if (volume.getState().equals(Volume.State.Allocated)
|| volume.getState() == Volume.State.Uploaded) {
try {
volumeOnPrimaryStorage = createVolumeOnPrimaryStorage(vm, rootVolumeOfVm, volume, rootDiskHyperType);
} catch (NoTransitionException e) {
s_logger.debug("Failed to create volume on primary storage", e);
throw new CloudRuntimeException("Failed to create volume on primary storage", e);
}
}
boolean moveVolumeNeeded = needMoveVolume(rootVolumeOfVm, volumeOnPrimaryStorage);
if (moveVolumeNeeded) {
PrimaryDataStoreInfo primaryStore = (PrimaryDataStoreInfo)volumeOnPrimaryStorage.getDataStore();
if (primaryStore.isLocal()) {
throw new CloudRuntimeException(
"Failed to attach local data volume "
+ volume.getName()
+ " to VM "
+ vm.getDisplayName()
+ " as migration of local data volume is not allowed");
}
StoragePoolVO vmRootVolumePool = _storagePoolDao
.findById(rootVolumeOfVm.getPoolId());
try {
volumeOnPrimaryStorage = moveVolume(volumeOnPrimaryStorage,
vmRootVolumePool.getDataCenterId(),
vmRootVolumePool.getPodId(),
vmRootVolumePool.getClusterId(),
dataDiskHyperType);
} catch (ConcurrentOperationException e) {
s_logger.debug("move volume failed", e);
throw new CloudRuntimeException("move volume failed", e);
}
}
AsyncJobExecutor asyncExecutor = BaseAsyncJobExecutor
.getCurrentExecutor();
if (asyncExecutor != null) {
AsyncJobVO job = asyncExecutor.getJob();
if (s_logger.isInfoEnabled()) {
s_logger.info("Trying to attaching volume " + volumeId
+ " to vm instance:" + vm.getId()
+ ", update async job-" + job.getId()
+ " progress status");
}
_asyncMgr.updateAsyncJobAttachment(job.getId(), "volume", volumeId);
_asyncMgr.updateAsyncJobStatus(job.getId(),
BaseCmd.PROGRESS_INSTANCE_CREATED, volumeId);
}
VolumeVO newVol = _volumeDao.findById(volumeOnPrimaryStorage.getId());
newVol = sendAttachVolumeCommand(vm, newVol, deviceId);
return newVol;
}
@Override
@ActionEvent(eventType = EventTypes.EVENT_VOLUME_DETACH, eventDescription = "detaching volume", async = true)
public Volume detachVolumeFromVM(DetachVolumeCmd cmmd) {
Account caller = UserContext.current().getCaller();
if ((cmmd.getId() == null && cmmd.getDeviceId() == null && cmmd
.getVirtualMachineId() == null)
|| (cmmd.getId() != null && (cmmd.getDeviceId() != null || cmmd
.getVirtualMachineId() != null))
|| (cmmd.getId() == null && (cmmd.getDeviceId() == null || cmmd
.getVirtualMachineId() == null))) {
throw new InvalidParameterValueException(
"Please provide either a volume id, or a tuple(device id, instance id)");
}
Long volumeId = cmmd.getId();
VolumeVO volume = null;
if (volumeId != null) {
volume = _volsDao.findById(volumeId);
} else {
volume = _volsDao.findByInstanceAndDeviceId(
cmmd.getVirtualMachineId(), cmmd.getDeviceId()).get(0);
}
Long vmId = null;
if (cmmd.getVirtualMachineId() == null) {
vmId = volume.getInstanceId();
} else {
vmId = cmmd.getVirtualMachineId();
}
// Check that the volume ID is valid
if (volume == null) {
throw new InvalidParameterValueException(
"Unable to find volume with ID: " + volumeId);
}
// Permissions check
_accountMgr.checkAccess(caller, null, true, volume);
// Check that the volume is a data volume
if (volume.getVolumeType() != Volume.Type.DATADISK) {
throw new InvalidParameterValueException(
"Please specify a data volume.");
}
// Check that the volume is currently attached to a VM
if (vmId == null) {
throw new InvalidParameterValueException(
"The specified volume is not attached to a VM.");
}
// Check that the VM is in the correct state
UserVmVO vm = this._userVmDao.findById(vmId);
if (vm.getState() != State.Running && vm.getState() != State.Stopped
&& vm.getState() != State.Destroyed) {
throw new InvalidParameterValueException(
"Please specify a VM that is either running or stopped.");
}
// Check if the VM has VM snapshots
List<VMSnapshotVO> vmSnapshots = _vmSnapshotDao.findByVm(vmId);
if(vmSnapshots.size() > 0){
throw new InvalidParameterValueException(
"Unable to detach volume, the specified volume is attached to a VM that has VM snapshots.");
}
AsyncJobExecutor asyncExecutor = BaseAsyncJobExecutor
.getCurrentExecutor();
if (asyncExecutor != null) {
AsyncJobVO job = asyncExecutor.getJob();
if (s_logger.isInfoEnabled()) {
s_logger.info("Trying to attaching volume " + volumeId
+ "to vm instance:" + vm.getId()
+ ", update async job-" + job.getId()
+ " progress status");
}
_asyncMgr.updateAsyncJobAttachment(job.getId(), "volume", volumeId);
_asyncMgr.updateAsyncJobStatus(job.getId(),
BaseCmd.PROGRESS_INSTANCE_CREATED, volumeId);
}
String errorMsg = "Failed to detach volume: " + volume.getName()
+ " from VM: " + vm.getHostName();
boolean sendCommand = (vm.getState() == State.Running);
Answer answer = null;
if (sendCommand) {
AttachVolumeCommand cmd = new AttachVolumeCommand(false,
vm.getInstanceName(), volume.getPoolType(),
volume.getFolder(), volume.getPath(), volume.getName(),
cmmd.getDeviceId() != null ? cmmd.getDeviceId() : volume
.getDeviceId(), volume.getChainInfo());
StoragePoolVO volumePool = _storagePoolDao.findById(volume
.getPoolId());
cmd.setPoolUuid(volumePool.getUuid());
try {
answer = _agentMgr.send(vm.getHostId(), cmd);
} catch (Exception e) {
throw new CloudRuntimeException(errorMsg + " due to: "
+ e.getMessage());
}
}
if (!sendCommand || (answer != null && answer.getResult())) {
// Mark the volume as detached
_volsDao.detachVolume(volume.getId());
if (answer != null && answer instanceof AttachVolumeAnswer) {
volume.setChainInfo(((AttachVolumeAnswer) answer)
.getChainInfo());
_volsDao.update(volume.getId(), volume);
}
return _volsDao.findById(volumeId);
} else {
if (answer != null) {
String details = answer.getDetails();
if (details != null && !details.isEmpty()) {
errorMsg += "; " + details;
}
}
throw new CloudRuntimeException(errorMsg);
}
}
@DB
protected VolumeVO switchVolume(VolumeVO existingVolume,
VirtualMachineProfile<? extends VirtualMachine> vm)
throws StorageUnavailableException {
Transaction txn = Transaction.currentTxn();
Long templateIdToUse = null;
Long volTemplateId = existingVolume.getTemplateId();
long vmTemplateId = vm.getTemplateId();
if (volTemplateId != null && volTemplateId.longValue() != vmTemplateId) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("switchVolume: Old Volume's templateId: "
+ volTemplateId
+ " does not match the VM's templateId: "
+ vmTemplateId
+ ", updating templateId in the new Volume");
}
templateIdToUse = vmTemplateId;
}
txn.start();
VolumeVO newVolume = allocateDuplicateVolume(existingVolume,
templateIdToUse);
// In case of Vmware if vm reference is not removed then during root
// disk cleanup
// the vm also gets deleted, so remove the reference
if (vm.getHypervisorType() == HypervisorType.VMware) {
_volsDao.detachVolume(existingVolume.getId());
}
try {
stateTransitTo(existingVolume, Volume.Event.DestroyRequested);
} catch (NoTransitionException e) {
s_logger.debug("Unable to destroy existing volume: " + e.toString());
}
txn.commit();
return newVolume;
}
@Override
public void release(VirtualMachineProfile<? extends VMInstanceVO> profile) {
// add code here
}
@Override
@DB
public void cleanupVolumes(long vmId) throws ConcurrentOperationException {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Cleaning storage for vm: " + vmId);
}
List<VolumeVO> volumesForVm = _volsDao.findByInstance(vmId);
List<VolumeVO> toBeExpunged = new ArrayList<VolumeVO>();
Transaction txn = Transaction.currentTxn();
txn.start();
for (VolumeVO vol : volumesForVm) {
if (vol.getVolumeType().equals(Type.ROOT)) {
// This check is for VM in Error state (volume is already
// destroyed)
if (!vol.getState().equals(Volume.State.Destroy)) {
this.volService.destroyVolume(vol.getId());
}
toBeExpunged.add(vol);
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Detaching " + vol);
}
_volsDao.detachVolume(vol.getId());
}
}
txn.commit();
AsyncCallFuture<VolumeApiResult> future = null;
for (VolumeVO expunge : toBeExpunged) {
future = this.volService.expungeVolumeAsync(this.volFactory.getVolume(expunge.getId()));
try {
future.get();
} catch (InterruptedException e) {
s_logger.debug("failed expunge volume" + expunge.getId(), e);
} catch (ExecutionException e) {
s_logger.debug("failed expunge volume" + expunge.getId(), e);
}
}
}
@DB
@Override
public Volume migrateVolume(MigrateVolumeCmd cmd) {
Long volumeId = cmd.getVolumeId();
Long storagePoolId = cmd.getStoragePoolId();
VolumeVO vol = _volsDao.findById(volumeId);
if (vol == null) {
throw new InvalidParameterValueException(
"Failed to find the volume id: " + volumeId);
}
if (vol.getState() != Volume.State.Ready) {
throw new InvalidParameterValueException(
"Volume must be in ready state");
}
if (vol.getInstanceId() != null) {
throw new InvalidParameterValueException(
"Volume needs to be dettached from VM");
}
StoragePool destPool = (StoragePool)this.dataStoreMgr.getDataStore(storagePoolId, DataStoreRole.Primary);
if (destPool == null) {
throw new InvalidParameterValueException(
"Failed to find the destination storage pool: "
+ storagePoolId);
}
if (!volumeOnSharedStoragePool(vol)) {
throw new InvalidParameterValueException(
"Migration of volume from local storage pool is not supported");
}
Volume newVol = migrateVolume(vol, destPool);
return newVol;
}
@DB
protected Volume migrateVolume(Volume volume, StoragePool destPool) {
VolumeInfo vol = this.volFactory.getVolume(volume.getId());
AsyncCallFuture<VolumeApiResult> future = this.volService.copyVolume(vol, (DataStore)destPool);
try {
VolumeApiResult result = future.get();
if (result.isFailed()) {
s_logger.debug("migrate volume failed:" + result.getResult());
return null;
}
return result.getVolume();
} catch (InterruptedException e) {
s_logger.debug("migrate volume failed", e);
return null;
} catch (ExecutionException e) {
s_logger.debug("migrate volume failed", e);
return null;
}
}
@Override
public boolean storageMigration(
VirtualMachineProfile<? extends VirtualMachine> vm,
StoragePool destPool) {
List<VolumeVO> vols = _volsDao.findUsableVolumesForInstance(vm.getId());
List<Volume> volumesNeedToMigrate = new ArrayList<Volume>();
for (VolumeVO volume : vols) {
if (volume.getState() != Volume.State.Ready) {
s_logger.debug("volume: " + volume.getId() + " is in "
+ volume.getState() + " state");
throw new CloudRuntimeException("volume: " + volume.getId()
+ " is in " + volume.getState() + " state");
}
if (volume.getPoolId() == destPool.getId()) {
s_logger.debug("volume: " + volume.getId()
+ " is on the same storage pool: " + destPool.getId());
continue;
}
volumesNeedToMigrate.add(volume);
}
if (volumesNeedToMigrate.isEmpty()) {
s_logger.debug("No volume need to be migrated");
return true;
}
for (Volume vol : volumesNeedToMigrate) {
Volume result = migrateVolume(vol, destPool);
if (result == null) {
return false;
}
}
return true;
}
@Override
public void prepareForMigration(
VirtualMachineProfile<? extends VirtualMachine> vm,
DeployDestination dest) {
List<VolumeVO> vols = _volsDao.findUsableVolumesForInstance(vm.getId());
if (s_logger.isDebugEnabled()) {
s_logger.debug("Preparing " + vols.size() + " volumes for " + vm);
}
for (VolumeVO vol : vols) {
PrimaryDataStoreInfo pool = (PrimaryDataStoreInfo)this.dataStoreMgr.getDataStore(vol.getPoolId(), DataStoreRole.Primary);
vm.addDisk(new VolumeTO(vol, pool));
}
if (vm.getType() == VirtualMachine.Type.User) {
UserVmVO userVM = (UserVmVO) vm.getVirtualMachine();
if (userVM.getIsoId() != null) {
Pair<String, String> isoPathPair = this._tmpltMgr.getAbsoluteIsoPath(
userVM.getIsoId(), userVM.getDataCenterId());
if (isoPathPair != null) {
String isoPath = isoPathPair.first();
VolumeTO iso = new VolumeTO(vm.getId(), Volume.Type.ISO,
StoragePoolType.ISO, null, null, null, isoPath, 0,
null, null);
vm.addDisk(iso);
}
}
}
}
private static enum VolumeTaskType {
RECREATE,
NOP,
MIGRATE
}
private static class VolumeTask {
final VolumeTaskType type;
final StoragePoolVO pool;
final VolumeVO volume;
VolumeTask(VolumeTaskType type, VolumeVO volume, StoragePoolVO pool) {
this.type = type;
this.pool = pool;
this.volume = volume;
}
}
private List<VolumeTask> getTasks(List<VolumeVO> vols, Map<Volume, StoragePool> destVols) throws StorageUnavailableException {
boolean recreate = _recreateSystemVmEnabled;
List<VolumeTask> tasks = new ArrayList<VolumeTask>();
for (VolumeVO vol : vols) {
StoragePoolVO assignedPool = null;
if (destVols != null) {
StoragePool pool = destVols.get(vol);
if (pool != null) {
assignedPool = _storagePoolDao.findById(pool.getId());
}
}
if (assignedPool == null && recreate) {
assignedPool = _storagePoolDao.findById(vol.getPoolId());
}
if (assignedPool != null || recreate) {
Volume.State state = vol.getState();
if (state == Volume.State.Allocated
|| state == Volume.State.Creating) {
VolumeTask task = new VolumeTask(VolumeTaskType.RECREATE, vol, null);
tasks.add(task);
} else {
if (vol.isRecreatable()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Volume " + vol
+ " will be recreated on storage pool "
+ assignedPool
+ " assigned by deploymentPlanner");
}
VolumeTask task = new VolumeTask(VolumeTaskType.RECREATE, vol, null);
tasks.add(task);
} else {
if (assignedPool.getId() != vol.getPoolId()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Mismatch in storage pool "
+ assignedPool
+ " assigned by deploymentPlanner and the one associated with volume "
+ vol);
}
DiskOfferingVO diskOffering = _diskOfferingDao
.findById(vol.getDiskOfferingId());
if (diskOffering.getUseLocalStorage()) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Local volume "
+ vol
+ " will be recreated on storage pool "
+ assignedPool
+ " assigned by deploymentPlanner");
}
VolumeTask task = new VolumeTask(VolumeTaskType.RECREATE, vol, null);
tasks.add(task);
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Shared volume "
+ vol
+ " will be migrated on storage pool "
+ assignedPool
+ " assigned by deploymentPlanner");
}
VolumeTask task = new VolumeTask(VolumeTaskType.MIGRATE, vol, assignedPool);
tasks.add(task);
}
} else {
StoragePoolVO pool = _storagePoolDao
.findById(vol.getPoolId());
VolumeTask task = new VolumeTask(VolumeTaskType.NOP, vol, pool);
tasks.add(task);
}
}
}
} else {
if (vol.getPoolId() == null) {
throw new StorageUnavailableException(
"Volume has no pool associate and also no storage pool assigned in DeployDestination, Unable to create "
+ vol, Volume.class, vol.getId());
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("No need to recreate the volume: " + vol
+ ", since it already has a pool assigned: "
+ vol.getPoolId() + ", adding disk to VM");
}
StoragePoolVO pool = _storagePoolDao.findById(vol
.getPoolId());
VolumeTask task = new VolumeTask(VolumeTaskType.NOP, vol, pool);
tasks.add(task);
}
}
return tasks;
}
private Pair<VolumeVO, DataStore> recreateVolume(VolumeVO vol, VirtualMachineProfile<? extends VirtualMachine> vm,
DeployDestination dest) throws StorageUnavailableException {
VolumeVO newVol;
boolean recreate = _recreateSystemVmEnabled;
DataStore destPool = null;
if (recreate
&& (dest.getStorageForDisks() == null || dest
.getStorageForDisks().get(vol) == null)) {
destPool = dataStoreMgr.getDataStore(vol.getPoolId(), DataStoreRole.Primary);
s_logger.debug("existing pool: " + destPool.getId());
} else {
StoragePool pool = dest.getStorageForDisks().get(vol);
destPool = dataStoreMgr.getDataStore(pool.getId(), DataStoreRole.Primary);
}
if (vol.getState() == Volume.State.Allocated
|| vol.getState() == Volume.State.Creating) {
newVol = vol;
} else {
newVol = switchVolume(vol, vm);
// update the volume->PrimaryDataStoreVO map since volumeId has
// changed
if (dest.getStorageForDisks() != null
&& dest.getStorageForDisks().containsKey(vol)) {
StoragePool poolWithOldVol = dest
.getStorageForDisks().get(vol);
dest.getStorageForDisks().put(newVol, poolWithOldVol);
dest.getStorageForDisks().remove(vol);
}
if (s_logger.isDebugEnabled()) {
s_logger.debug("Created new volume " + newVol
+ " for old volume " + vol);
}
}
VolumeInfo volume = volFactory.getVolume(newVol.getId(), destPool);
Long templateId = newVol.getTemplateId();
AsyncCallFuture<VolumeApiResult> future = null;
if (templateId == null) {
future = this.volService.createVolumeAsync(volume, destPool);
} else {
TemplateInfo templ = this.tmplFactory.getTemplate(templateId);
future = this.volService.createVolumeFromTemplateAsync(volume, destPool.getId(), templ);
}
VolumeApiResult result = null;
try {
result = future.get();
if (result.isFailed()) {
s_logger.debug("Unable to create "
+ newVol + ":" + result.getResult());
throw new StorageUnavailableException("Unable to create "
+ newVol + ":" + result.getResult(), destPool.getId());
}
newVol = this._volsDao.findById(newVol.getId());
} catch (InterruptedException e) {
s_logger.error("Unable to create " + newVol, e);
throw new StorageUnavailableException("Unable to create "
+ newVol + ":" + e.toString(), destPool.getId());
} catch (ExecutionException e) {
s_logger.error("Unable to create " + newVol, e);
throw new StorageUnavailableException("Unable to create "
+ newVol + ":" + e.toString(), destPool.getId());
}
return new Pair<VolumeVO, DataStore>(newVol, destPool);
}
@Override
public void prepare(VirtualMachineProfile<? extends VirtualMachine> vm,
DeployDestination dest) throws StorageUnavailableException,
InsufficientStorageCapacityException, ConcurrentOperationException {
if (dest == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("DeployDestination cannot be null, cannot prepare Volumes for the vm: "
+ vm);
}
throw new CloudRuntimeException(
"Unable to prepare Volume for vm because DeployDestination is null, vm:"
+ vm);
}
List<VolumeVO> vols = _volsDao.findUsableVolumesForInstance(vm.getId());
if (s_logger.isDebugEnabled()) {
s_logger.debug("Checking if we need to prepare " + vols.size()
+ " volumes for " + vm);
}
List<VolumeTask> tasks = getTasks(vols, dest.getStorageForDisks());
Volume vol = null;
StoragePool pool = null;
for (VolumeTask task : tasks) {
if (task.type == VolumeTaskType.NOP) {
pool = (StoragePool)dataStoreMgr.getDataStore(task.pool.getId(), DataStoreRole.Primary);
vol = task.volume;
} else if (task.type == VolumeTaskType.MIGRATE) {
pool = (StoragePool)dataStoreMgr.getDataStore(task.pool.getId(), DataStoreRole.Primary);
migrateVolume(task.volume, pool);
vol = task.volume;
} else if (task.type == VolumeTaskType.RECREATE) {
Pair<VolumeVO, DataStore> result = recreateVolume(task.volume, vm, dest);
pool = (StoragePool)dataStoreMgr.getDataStore(result.second().getId(), DataStoreRole.Primary);
vol = result.first();
}
vm.addDisk(new VolumeTO(vol, pool));
}
}
private Long getDeviceId(long vmId, Long deviceId) {
// allocate deviceId
List<VolumeVO> vols = _volsDao.findByInstance(vmId);
if (deviceId != null) {
if (deviceId.longValue() > 15 || deviceId.longValue() == 0
|| deviceId.longValue() == 3) {
throw new RuntimeException("deviceId should be 1,2,4-15");
}
for (VolumeVO vol : vols) {
if (vol.getDeviceId().equals(deviceId)) {
throw new RuntimeException("deviceId " + deviceId
+ " is used by vm" + vmId);
}
}
} else {
// allocate deviceId here
List<String> devIds = new ArrayList<String>();
for (int i = 1; i < 15; i++) {
devIds.add(String.valueOf(i));
}
devIds.remove("3");
for (VolumeVO vol : vols) {
devIds.remove(vol.getDeviceId().toString().trim());
}
deviceId = Long.parseLong(devIds.iterator().next());
}
return deviceId;
}
private boolean stateTransitTo(Volume vol, Volume.Event event)
throws NoTransitionException {
return _volStateMachine.transitTo(vol, event, null, _volsDao);
}
private String validateUrl(String url) {
try {
URI uri = new URI(url);
if ((uri.getScheme() == null)
|| (!uri.getScheme().equalsIgnoreCase("http")
&& !uri.getScheme().equalsIgnoreCase("https") && !uri
.getScheme().equalsIgnoreCase("file"))) {
throw new IllegalArgumentException(
"Unsupported scheme for url: " + url);
}
int port = uri.getPort();
if (!(port == 80 || port == 8080 || port == 443 || port == -1)) {
throw new IllegalArgumentException(
"Only ports 80, 8080 and 443 are allowed");
}
String host = uri.getHost();
try {
InetAddress hostAddr = InetAddress.getByName(host);
if (hostAddr.isAnyLocalAddress()
|| hostAddr.isLinkLocalAddress()
|| hostAddr.isLoopbackAddress()
|| hostAddr.isMulticastAddress()) {
throw new IllegalArgumentException(
"Illegal host specified in url");
}
if (hostAddr instanceof Inet6Address) {
throw new IllegalArgumentException(
"IPV6 addresses not supported ("
+ hostAddr.getHostAddress() + ")");
}
} catch (UnknownHostException uhe) {
throw new IllegalArgumentException("Unable to resolve " + host);
}
return uri.toString();
} catch (URISyntaxException e) {
throw new IllegalArgumentException("Invalid URL " + url);
}
}
@Override
public boolean canVmRestartOnAnotherServer(long vmId) {
List<VolumeVO> vols = _volsDao.findCreatedByInstance(vmId);
for (VolumeVO vol : vols) {
if (!vol.isRecreatable() && !vol.getPoolType().isShared()) {
return false;
}
}
return true;
}
@Override
public boolean configure(String name, Map<String, Object> params)
throws ConfigurationException {
String _customDiskOfferingMinSizeStr = _configDao
.getValue(Config.CustomDiskOfferingMinSize.toString());
_customDiskOfferingMinSize = NumbersUtil.parseInt(
_customDiskOfferingMinSizeStr, Integer
.parseInt(Config.CustomDiskOfferingMinSize
.getDefaultValue()));
String maxVolumeSizeInGbString = _configDao
.getValue("storage.max.volume.size");
_maxVolumeSizeInGb = NumbersUtil.parseLong(maxVolumeSizeInGbString,
2000);
String value = _configDao.getValue(Config.RecreateSystemVmEnabled.key());
_recreateSystemVmEnabled = Boolean.parseBoolean(value);
_copyvolumewait = NumbersUtil.parseInt(value,
Integer.parseInt(Config.CopyVolumeWait.getDefaultValue()));
return true;
}
@Override
public boolean start() {
return true;
}
@Override
public boolean stop() {
return true;
}
@Override
public String getName() {
return "Volume Manager";
}
@Override
public void destroyVolume(VolumeVO volume) {
try {
this.volService.destroyVolume(volume.getId());
} catch (ConcurrentOperationException e) {
s_logger.debug("Failed to destroy volume" + volume.getId(), e);
throw new CloudRuntimeException("Failed to destroy volume" + volume.getId(), e);
}
}
@Override
public Snapshot takeSnapshot(Long volumeId, Long policyId, Long snapshotId, Account account) throws ResourceAllocationException {
VolumeInfo volume = this.volFactory.getVolume(volumeId);
if (volume == null) {
throw new InvalidParameterValueException("Creating snapshot failed due to volume:" + volumeId + " doesn't exist");
}
if (volume.getState() != Volume.State.Ready) {
throw new InvalidParameterValueException("VolumeId: " + volumeId + " is not in " + Volume.State.Ready + " state but " + volume.getState() + ". Cannot take snapshot.");
}
CreateSnapshotPayload payload = new CreateSnapshotPayload();
payload.setSnapshotId(snapshotId);
payload.setSnapshotPolicyId(policyId);
payload.setAccount(account);
volume.addPayload(payload);
return this.volService.takeSnapshot(volume);
}
@Override
public Snapshot allocSnapshot(Long volumeId, Long policyId) throws ResourceAllocationException {
Account caller = UserContext.current().getCaller();
VolumeInfo volume = this.volFactory.getVolume(volumeId);
if (volume == null) {
throw new InvalidParameterValueException("Creating snapshot failed due to volume:" + volumeId + " doesn't exist");
}
DataCenter zone = _dcDao.findById(volume.getDataCenterId());
if (zone == null) {
throw new InvalidParameterValueException("Can't find zone by id " + volume.getDataCenterId());
}
if (Grouping.AllocationState.Disabled == zone.getAllocationState() && !_accountMgr.isRootAdmin(caller.getType())) {
throw new PermissionDeniedException("Cannot perform this operation, Zone is currently disabled: " + zone.getName());
}
if (volume.getState() != Volume.State.Ready) {
throw new InvalidParameterValueException("VolumeId: " + volumeId + " is not in " + Volume.State.Ready + " state but " + volume.getState() + ". Cannot take snapshot.");
}
if ( volume.getTemplateId() != null ) {
VMTemplateVO template = _templateDao.findById(volume.getTemplateId());
if( template != null && template.getTemplateType() == Storage.TemplateType.SYSTEM ) {
throw new InvalidParameterValueException("VolumeId: " + volumeId + " is for System VM , Creating snapshot against System VM volumes is not supported");
}
}
StoragePool storagePool = (StoragePool)volume.getDataStore();
if (storagePool == null) {
throw new InvalidParameterValueException("VolumeId: " + volumeId + " please attach this volume to a VM before create snapshot for it");
}
return this.snapshotMgr.allocSnapshot(volumeId, policyId);
}
}
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