private Map<Long, TemplateInfo> listVolume(HostVO ssHost) {
ListVolumeCommand cmd = new ListVolumeCommand(ssHost.getStorageUrl());
Answer answer = _agentMgr.sendToSecStorage(ssHost, cmd);
if (answer != null && answer.getResult()) {
ListVolumeAnswer tanswer = (ListVolumeAnswer) answer;
return tanswer.getTemplateInfo();
} else {
if (s_logger.isDebugEnabled()) {
s_logger.debug("Can not list volumes for secondary storage host " + ssHost.getId());
}
}
return null;
}
@Override
@DB
public boolean delete(TemplateProfile profile) {
boolean success = true;
VMTemplateVO template = profile.getTemplate();
Long zoneId = profile.getZoneId();
Long templateId = template.getId();
String zoneName;
List<HostVO> secondaryStorageHosts;
if (!template.isCrossZones() && zoneId != null) {
DataCenterVO zone = _dcDao.findById(zoneId);
zoneName = zone.getName();
secondaryStorageHosts = _ssvmMgr.listSecondaryStorageHostsInOneZone(zoneId);
} else {
zoneName = "(all zones)";
secondaryStorageHosts = _ssvmMgr.listSecondaryStorageHostsInAllZones();
}
s_logger.debug(
"Attempting to mark template host refs for template: "
+ template.getName()
+ " as destroyed in zone: "
+ zoneName);
// Make sure the template is downloaded to all the necessary secondary storage hosts
for (HostVO secondaryStorageHost : secondaryStorageHosts) {
long hostId = secondaryStorageHost.getId();
List<VMTemplateHostVO> templateHostVOs = _tmpltHostDao.listByHostTemplate(hostId, templateId);
for (VMTemplateHostVO templateHostVO : templateHostVOs) {
if (templateHostVO.getDownloadState() == Status.DOWNLOAD_IN_PROGRESS) {
String errorMsg = "Please specify a template that is not currently being downloaded.";
s_logger.debug(
"Template: "
+ template.getName()
+ " is currently being downloaded to secondary storage host: "
+ secondaryStorageHost.getName()
+ "; cant' delete it.");
throw new CloudRuntimeException(errorMsg);
}
}
}
Account account = _accountDao.findByIdIncludingRemoved(template.getAccountId());
String eventType = "";
if (template.getFormat().equals(ImageFormat.ISO)) {
eventType = EventTypes.EVENT_ISO_DELETE;
} else {
eventType = EventTypes.EVENT_TEMPLATE_DELETE;
}
// Iterate through all necessary secondary storage hosts and mark the template on each host as
// destroyed
for (HostVO secondaryStorageHost : secondaryStorageHosts) {
long hostId = secondaryStorageHost.getId();
long sZoneId = secondaryStorageHost.getDataCenterId();
List<VMTemplateHostVO> templateHostVOs = _tmpltHostDao.listByHostTemplate(hostId, templateId);
for (VMTemplateHostVO templateHostVO : templateHostVOs) {
VMTemplateHostVO lock = _tmpltHostDao.acquireInLockTable(templateHostVO.getId());
try {
if (lock == null) {
s_logger.debug(
"Failed to acquire lock when deleting templateHostVO with ID: "
+ templateHostVO.getId());
success = false;
break;
}
UsageEventVO usageEvent =
new UsageEventVO(eventType, account.getId(), sZoneId, templateId, null);
_usageEventDao.persist(usageEvent);
templateHostVO.setDestroyed(true);
_tmpltHostDao.update(templateHostVO.getId(), templateHostVO);
String installPath = templateHostVO.getInstallPath();
if (installPath != null) {
Answer answer =
_agentMgr.sendToSecStorage(
secondaryStorageHost,
new DeleteTemplateCommand(secondaryStorageHost.getStorageUrl(), installPath));
if (answer == null || !answer.getResult()) {
s_logger.debug(
"Failed to delete "
+ templateHostVO
+ " due to "
+ ((answer == null) ? "answer is null" : answer.getDetails()));
} else {
_tmpltHostDao.remove(templateHostVO.getId());
s_logger.debug("Deleted template at: " + installPath);
}
} else {
_tmpltHostDao.remove(templateHostVO.getId());
}
VMTemplateZoneVO templateZone = _tmpltZoneDao.findByZoneTemplate(sZoneId, templateId);
if (templateZone != null) {
_tmpltZoneDao.remove(templateZone.getId());
}
} finally {
if (lock != null) {
_tmpltHostDao.releaseFromLockTable(lock.getId());
}
}
}
if (!success) {
break;
}
}
s_logger.debug(
"Successfully marked template host refs for template: "
+ template.getName()
+ " as destroyed in zone: "
+ zoneName);
// If there are no more non-destroyed template host entries for this template, delete it
if (success && (_tmpltHostDao.listByTemplateId(templateId).size() == 0)) {
long accountId = template.getAccountId();
VMTemplateVO lock = _tmpltDao.acquireInLockTable(templateId);
try {
if (lock == null) {
s_logger.debug("Failed to acquire lock when deleting template with ID: " + templateId);
success = false;
} else if (_tmpltDao.remove(templateId)) {
// Decrement the number of templates
_resourceLimitMgr.decrementResourceCount(accountId, ResourceType.template);
}
} finally {
if (lock != null) {
_tmpltDao.releaseFromLockTable(lock.getId());
}
}
s_logger.debug(
"Removed template: "
+ template.getName()
+ " because all of its template host refs were marked as destroyed.");
}
return success;
}
@Override
public void handleTemplateSync(HostVO ssHost) {
if (ssHost == null) {
s_logger.warn("Huh? ssHost is null");
return;
}
long sserverId = ssHost.getId();
long zoneId = ssHost.getDataCenterId();
if (!(ssHost.getType() == Host.Type.SecondaryStorage
|| ssHost.getType() == Host.Type.LocalSecondaryStorage)) {
s_logger.warn("Huh? Agent id " + sserverId + " is not secondary storage host");
return;
}
Map<String, TemplateInfo> templateInfos = listTemplate(ssHost);
if (templateInfos == null) {
return;
}
Set<VMTemplateVO> toBeDownloaded = new HashSet<VMTemplateVO>();
List<VMTemplateVO> allTemplates = _templateDao.listAllInZone(zoneId);
List<VMTemplateVO> rtngTmplts = _templateDao.listAllSystemVMTemplates();
List<VMTemplateVO> defaultBuiltin = _templateDao.listDefaultBuiltinTemplates();
if (rtngTmplts != null) {
for (VMTemplateVO rtngTmplt : rtngTmplts) {
if (!allTemplates.contains(rtngTmplt)) {
allTemplates.add(rtngTmplt);
}
}
}
if (defaultBuiltin != null) {
for (VMTemplateVO builtinTmplt : defaultBuiltin) {
if (!allTemplates.contains(builtinTmplt)) {
allTemplates.add(builtinTmplt);
}
}
}
toBeDownloaded.addAll(allTemplates);
for (VMTemplateVO tmplt : allTemplates) {
String uniqueName = tmplt.getUniqueName();
VMTemplateHostVO tmpltHost = _vmTemplateHostDao.findByHostTemplate(sserverId, tmplt.getId());
if (templateInfos.containsKey(uniqueName)) {
TemplateInfo tmpltInfo = templateInfos.remove(uniqueName);
toBeDownloaded.remove(tmplt);
if (tmpltHost != null) {
s_logger.info(
"Template Sync found " + tmplt.getName() + " already in the template host table");
if (tmpltHost.getDownloadState() != Status.DOWNLOADED) {
tmpltHost.setErrorString("");
}
if (tmpltInfo.isCorrupted()) {
tmpltHost.setDownloadState(Status.DOWNLOAD_ERROR);
String msg =
"Template "
+ tmplt.getName()
+ ":"
+ tmplt.getId()
+ " is corrupted on secondary storage "
+ tmpltHost.getId();
tmpltHost.setErrorString(msg);
s_logger.info("msg");
if (tmplt.getUrl() == null) {
msg =
"Private Template ("
+ tmplt
+ ") with install path "
+ tmpltInfo.getInstallPath()
+ "is corrupted, please check in secondary storage: "
+ tmpltHost.getHostId();
s_logger.warn(msg);
} else {
toBeDownloaded.add(tmplt);
}
} else {
tmpltHost.setDownloadPercent(100);
tmpltHost.setDownloadState(Status.DOWNLOADED);
tmpltHost.setInstallPath(tmpltInfo.getInstallPath());
tmpltHost.setSize(tmpltInfo.getSize());
tmpltHost.setPhysicalSize(tmpltInfo.getPhysicalSize());
tmpltHost.setLastUpdated(new Date());
// Skipping limit checks for SYSTEM Account and for the templates created from volumes
// or snapshots
// which already got checked and incremented during createTemplate API call.
if (tmpltInfo.getSize() > 0
&& tmplt.getAccountId() != Account.ACCOUNT_ID_SYSTEM
&& tmplt.getUrl() != null) {
long accountId = tmplt.getAccountId();
try {
_resourceLimitMgr.checkResourceLimit(
_accountMgr.getAccount(accountId),
com.cloud.configuration.Resource.ResourceType.secondary_storage,
tmpltInfo.getSize() - UriUtils.getRemoteSize(tmplt.getUrl()));
} catch (ResourceAllocationException e) {
s_logger.warn(e.getMessage());
_alertMgr.sendAlert(
_alertMgr.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED,
ssHost.getDataCenterId(),
null,
e.getMessage(),
e.getMessage());
} finally {
_resourceLimitMgr.recalculateResourceCount(
accountId,
_accountMgr.getAccount(accountId).getDomainId(),
com.cloud.configuration.Resource.ResourceType.secondary_storage.getOrdinal());
}
}
}
_vmTemplateHostDao.update(tmpltHost.getId(), tmpltHost);
} else {
tmpltHost =
new VMTemplateHostVO(
sserverId,
tmplt.getId(),
new Date(),
100,
Status.DOWNLOADED,
null,
null,
null,
tmpltInfo.getInstallPath(),
tmplt.getUrl());
tmpltHost.setSize(tmpltInfo.getSize());
tmpltHost.setPhysicalSize(tmpltInfo.getPhysicalSize());
_vmTemplateHostDao.persist(tmpltHost);
VMTemplateZoneVO tmpltZoneVO =
_vmTemplateZoneDao.findByZoneTemplate(zoneId, tmplt.getId());
if (tmpltZoneVO == null) {
tmpltZoneVO = new VMTemplateZoneVO(zoneId, tmplt.getId(), new Date());
_vmTemplateZoneDao.persist(tmpltZoneVO);
} else {
tmpltZoneVO.setLastUpdated(new Date());
_vmTemplateZoneDao.update(tmpltZoneVO.getId(), tmpltZoneVO);
}
}
continue;
}
if (tmpltHost != null && tmpltHost.getDownloadState() != Status.DOWNLOADED) {
s_logger.info(
"Template Sync did not find "
+ tmplt.getName()
+ " ready on server "
+ sserverId
+ ", will request download to start/resume shortly");
} else if (tmpltHost == null) {
s_logger.info(
"Template Sync did not find "
+ tmplt.getName()
+ " on the server "
+ sserverId
+ ", will request download shortly");
VMTemplateHostVO templtHost =
new VMTemplateHostVO(
sserverId,
tmplt.getId(),
new Date(),
0,
Status.NOT_DOWNLOADED,
null,
null,
null,
null,
tmplt.getUrl());
_vmTemplateHostDao.persist(templtHost);
VMTemplateZoneVO tmpltZoneVO = _vmTemplateZoneDao.findByZoneTemplate(zoneId, tmplt.getId());
if (tmpltZoneVO == null) {
tmpltZoneVO = new VMTemplateZoneVO(zoneId, tmplt.getId(), new Date());
_vmTemplateZoneDao.persist(tmpltZoneVO);
} else {
tmpltZoneVO.setLastUpdated(new Date());
_vmTemplateZoneDao.update(tmpltZoneVO.getId(), tmpltZoneVO);
}
}
}
if (toBeDownloaded.size() > 0) {
/* Only download templates whose hypervirsor type is in the zone */
List<HypervisorType> availHypers = _clusterDao.getAvailableHypervisorInZone(zoneId);
if (availHypers.isEmpty()) {
/*
* This is for cloudzone, local secondary storage resource
* started before cluster created
*/
availHypers.add(HypervisorType.KVM);
}
/* Baremetal need not to download any template */
availHypers.remove(HypervisorType.BareMetal);
availHypers.add(HypervisorType.None); // bug 9809: resume ISO
// download.
for (VMTemplateVO tmplt : toBeDownloaded) {
if (tmplt.getUrl() == null) { // If url is null we can't
// initiate the download
continue;
}
// if this is private template, and there is no record for this
// template in this sHost, skip
if (!tmplt.isPublicTemplate() && !tmplt.isFeatured()) {
VMTemplateHostVO tmpltHost =
_vmTemplateHostDao.findByHostTemplate(sserverId, tmplt.getId());
if (tmpltHost == null) {
continue;
}
}
if (availHypers.contains(tmplt.getHypervisorType())) {
if (_swiftMgr.isSwiftEnabled()) {
if (_swiftMgr.isTemplateInstalled(tmplt.getId())) {
continue;
}
}
s_logger.debug(
"Template " + tmplt.getName() + " needs to be downloaded to " + ssHost.getName());
downloadTemplateToStorage(tmplt, ssHost);
} else {
s_logger.info(
"Skipping download of template "
+ tmplt.getName()
+ " since we don't have any "
+ tmplt.getHypervisorType()
+ " hypervisors");
}
}
}
for (String uniqueName : templateInfos.keySet()) {
TemplateInfo tInfo = templateInfos.get(uniqueName);
List<UserVmVO> userVmUsingIso = _userVmDao.listByIsoId(tInfo.getId());
// check if there is any Vm using this ISO.
if (userVmUsingIso == null || userVmUsingIso.isEmpty()) {
DeleteTemplateCommand dtCommand =
new DeleteTemplateCommand(ssHost.getStorageUrl(), tInfo.getInstallPath());
try {
_agentMgr.sendToSecStorage(ssHost, dtCommand, null);
} catch (AgentUnavailableException e) {
String err =
"Failed to delete "
+ tInfo.getTemplateName()
+ " on secondary storage "
+ sserverId
+ " which isn't in the database";
s_logger.error(err);
return;
}
String description =
"Deleted template "
+ tInfo.getTemplateName()
+ " on secondary storage "
+ sserverId
+ " since it isn't in the database";
s_logger.info(description);
}
}
}
@Override
public void handleVolumeSync(HostVO ssHost) {
if (ssHost == null) {
s_logger.warn("Huh? ssHost is null");
return;
}
long sserverId = ssHost.getId();
if (!(ssHost.getType() == Host.Type.SecondaryStorage
|| ssHost.getType() == Host.Type.LocalSecondaryStorage)) {
s_logger.warn("Huh? Agent id " + sserverId + " is not secondary storage host");
return;
}
Map<Long, TemplateInfo> volumeInfos = listVolume(ssHost);
if (volumeInfos == null) {
return;
}
List<VolumeHostVO> dbVolumes = _volumeHostDao.listBySecStorage(sserverId);
List<VolumeHostVO> toBeDownloaded = new ArrayList<VolumeHostVO>(dbVolumes);
for (VolumeHostVO volumeHost : dbVolumes) {
VolumeVO volume = _volumeDao.findById(volumeHost.getVolumeId());
// Exists then don't download
if (volumeInfos.containsKey(volume.getId())) {
TemplateInfo volInfo = volumeInfos.remove(volume.getId());
toBeDownloaded.remove(volumeHost);
s_logger.info(
"Volume Sync found " + volume.getUuid() + " already in the volume host table");
if (volumeHost.getDownloadState() != Status.DOWNLOADED) {
volumeHost.setErrorString("");
}
if (volInfo.isCorrupted()) {
volumeHost.setDownloadState(Status.DOWNLOAD_ERROR);
String msg = "Volume " + volume.getUuid() + " is corrupted on secondary storage ";
volumeHost.setErrorString(msg);
s_logger.info("msg");
if (volumeHost.getDownloadUrl() == null) {
msg =
"Volume ("
+ volume.getUuid()
+ ") with install path "
+ volInfo.getInstallPath()
+ "is corrupted, please check in secondary storage: "
+ volumeHost.getHostId();
s_logger.warn(msg);
} else {
toBeDownloaded.add(volumeHost);
}
} else { // Put them in right status
volumeHost.setDownloadPercent(100);
volumeHost.setDownloadState(Status.DOWNLOADED);
volumeHost.setInstallPath(volInfo.getInstallPath());
volumeHost.setSize(volInfo.getSize());
volumeHost.setPhysicalSize(volInfo.getPhysicalSize());
volumeHost.setLastUpdated(new Date());
_volumeHostDao.update(volumeHost.getId(), volumeHost);
if (volume.getSize() == 0) {
// Set volume size in volumes table
volume.setSize(volInfo.getSize());
_volumeDao.update(volumeHost.getVolumeId(), volume);
}
if (volInfo.getSize() > 0) {
try {
String url = _volumeHostDao.findByVolumeId(volume.getId()).getDownloadUrl();
_resourceLimitMgr.checkResourceLimit(
_accountMgr.getAccount(volume.getAccountId()),
com.cloud.configuration.Resource.ResourceType.secondary_storage,
volInfo.getSize() - UriUtils.getRemoteSize(url));
} catch (ResourceAllocationException e) {
s_logger.warn(e.getMessage());
_alertMgr.sendAlert(
_alertMgr.ALERT_TYPE_RESOURCE_LIMIT_EXCEEDED,
volume.getDataCenterId(),
volume.getPodId(),
e.getMessage(),
e.getMessage());
} finally {
_resourceLimitMgr.recalculateResourceCount(
volume.getAccountId(),
volume.getDomainId(),
com.cloud.configuration.Resource.ResourceType.secondary_storage.getOrdinal());
}
}
}
continue;
}
// Volume is not on secondary but we should download.
if (volumeHost.getDownloadState() != Status.DOWNLOADED) {
s_logger.info(
"Volume Sync did not find "
+ volume.getName()
+ " ready on server "
+ sserverId
+ ", will request download to start/resume shortly");
toBeDownloaded.add(volumeHost);
}
}
// Download volumes which haven't been downloaded yet.
if (toBeDownloaded.size() > 0) {
for (VolumeHostVO volumeHost : toBeDownloaded) {
if (volumeHost.getDownloadUrl() == null) { // If url is null we can't initiate the download
continue;
}
s_logger.debug(
"Volume "
+ volumeHost.getVolumeId()
+ " needs to be downloaded to "
+ ssHost.getName());
downloadVolumeToStorage(
_volumeDao.findById(volumeHost.getVolumeId()),
ssHost,
volumeHost.getDownloadUrl(),
volumeHost.getChecksum(),
volumeHost.getFormat());
}
}
// Delete volumes which are not present on DB.
for (Long uniqueName : volumeInfos.keySet()) {
TemplateInfo vInfo = volumeInfos.get(uniqueName);
DeleteVolumeCommand dtCommand =
new DeleteVolumeCommand(ssHost.getStorageUrl(), vInfo.getInstallPath());
try {
_agentMgr.sendToSecStorage(ssHost, dtCommand, null);
} catch (AgentUnavailableException e) {
String err =
"Failed to delete "
+ vInfo.getTemplateName()
+ " on secondary storage "
+ sserverId
+ " which isn't in the database";
s_logger.error(err);
return;
}
String description =
"Deleted volume "
+ vInfo.getTemplateName()
+ " on secondary storage "
+ sserverId
+ " since it isn't in the database";
s_logger.info(description);
}
}