// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.baremetal;
import java.util.Date;
import java.util.List;
import javax.ejb.Local;
import org.apache.log4j.Logger;
import com.cloud.api.commands.DeleteIsoCmd;
import com.cloud.api.commands.RegisterIsoCmd;
import com.cloud.api.commands.RegisterTemplateCmd;
import com.cloud.configuration.Resource.ResourceType;
import com.cloud.dc.DataCenterVO;
import com.cloud.event.EventTypes;
import com.cloud.event.UsageEventVO;
import com.cloud.exception.ResourceAllocationException;
import com.cloud.host.Host;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.resource.ResourceManager;
import com.cloud.storage.VMTemplateHostVO;
import com.cloud.storage.VMTemplateStorageResourceAssoc.Status;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.VMTemplateZoneVO;
import com.cloud.template.TemplateAdapter;
import com.cloud.template.TemplateAdapterBase;
import com.cloud.template.TemplateProfile;
import com.cloud.user.Account;
import com.cloud.utils.component.Inject;
import com.cloud.utils.db.DB;
import com.cloud.utils.exception.CloudRuntimeException;
@Local(value=TemplateAdapter.class)
public class BareMetalTemplateAdapter extends TemplateAdapterBase implements TemplateAdapter {
private final static Logger s_logger = Logger.getLogger(BareMetalTemplateAdapter.class);
@Inject HostDao _hostDao;
@Inject ResourceManager _resourceMgr;
@Override
public TemplateProfile prepare(RegisterTemplateCmd cmd) throws ResourceAllocationException {
TemplateProfile profile = super.prepare(cmd);
if (profile.getZoneId() == null || profile.getZoneId() == -1) {
List<DataCenterVO> dcs = _dcDao.listAllIncludingRemoved();
for (DataCenterVO dc : dcs) {
List<HostVO> pxeServers = _resourceMgr.listAllHostsInOneZoneByType(Host.Type.PxeServer, dc.getId());
if (pxeServers.size() == 0) {
throw new CloudRuntimeException("Please add PXE server before adding baremetal template in zone " + dc.getName());
}
}
} else {
List<HostVO> pxeServers = _resourceMgr.listAllHostsInOneZoneByType(Host.Type.PxeServer, profile.getZoneId());
if (pxeServers.size() == 0) {
throw new CloudRuntimeException("Please add PXE server before adding baremetal template in zone " + profile.getZoneId());
}
}
return profile;
}
@Override
public TemplateProfile prepare(RegisterIsoCmd cmd) throws ResourceAllocationException {
throw new CloudRuntimeException("Baremetal doesn't support ISO template");
}
private void templateCreateUsage(VMTemplateVO template, HostVO host) {
if (template.getAccountId() != Account.ACCOUNT_ID_SYSTEM) {
UsageEventVO usageEvent = new UsageEventVO(EventTypes.EVENT_TEMPLATE_CREATE, template.getAccountId(), host.getDataCenterId(),
template.getId(), template.getName(), null, template.getSourceTemplateId(), 0L);
_usageEventDao.persist(usageEvent);
}
}
@Override
public VMTemplateVO create(TemplateProfile profile) {
VMTemplateVO template = persistTemplate(profile);
Long zoneId = profile.getZoneId();
/* There is no secondary storage vm for baremetal, we use pxe server id.
* Tempalte is not bound to pxeserver right now, and we assume the pxeserver
* cannot be removed once it was added. so we use host id of first found pxe
* server as reference in template_host_ref.
* This maybe a FIXME in future.
*/
VMTemplateHostVO vmTemplateHost = null;
if (zoneId == null || zoneId == -1) {
List<DataCenterVO> dcs = _dcDao.listAllIncludingRemoved();
for (DataCenterVO dc : dcs) {
HostVO pxe = _resourceMgr.listAllHostsInOneZoneByType(Host.Type.PxeServer, dc.getId()).get(0);
vmTemplateHost = _tmpltHostDao.findByHostTemplate(dc.getId(), template.getId());
if (vmTemplateHost == null) {
vmTemplateHost = new VMTemplateHostVO(pxe.getId(), template.getId(), new Date(), 100,
Status.DOWNLOADED, null, null, null, null, template.getUrl());
_tmpltHostDao.persist(vmTemplateHost);
templateCreateUsage(template, pxe);
}
}
} else {
HostVO pxe = _resourceMgr.listAllHostsInOneZoneByType(Host.Type.PxeServer, zoneId).get(0);
vmTemplateHost = new VMTemplateHostVO(pxe.getId(), template.getId(), new Date(), 100,
Status.DOWNLOADED, null, null, null, null, template.getUrl());
_tmpltHostDao.persist(vmTemplateHost);
templateCreateUsage(template, pxe);
}
_resourceLimitMgr.incrementResourceCount(profile.getAccountId(), ResourceType.template);
return template;
}
public TemplateProfile prepareDelete(DeleteIsoCmd cmd) {
throw new CloudRuntimeException("Baremetal doesn't support ISO, how the delete get here???");
}
@Override @DB
public boolean delete(TemplateProfile profile) {
VMTemplateVO template = profile.getTemplate();
Long templateId = template.getId();
boolean success = true;
String zoneName;
boolean isAllZone;
if (!template.isCrossZones() && profile.getZoneId() != null) {
isAllZone = false;
zoneName = profile.getZoneId().toString();
} else {
zoneName = "all zones";
isAllZone = true;
}
s_logger.debug("Attempting to mark template host refs for template: " + template.getName() + " as destroyed in zone: " + zoneName);
Account account = _accountDao.findByIdIncludingRemoved(template.getAccountId());
String eventType = EventTypes.EVENT_TEMPLATE_DELETE;
List<VMTemplateHostVO> templateHostVOs = _tmpltHostDao.listByTemplateId(templateId);
for (VMTemplateHostVO vo : templateHostVOs) {
VMTemplateHostVO lock = null;
try {
HostVO pxeServer = _hostDao.findById(vo.getHostId());
if (!isAllZone && pxeServer.getDataCenterId() != profile.getZoneId()) {
continue;
}
lock = _tmpltHostDao.acquireInLockTable(vo.getId());
if (lock == null) {
s_logger.debug("Failed to acquire lock when deleting templateHostVO with ID: " + vo.getId());
success = false;
break;
}
vo.setDestroyed(true);
_tmpltHostDao.update(vo.getId(), vo);
VMTemplateZoneVO templateZone = _tmpltZoneDao.findByZoneTemplate(pxeServer.getDataCenterId(), templateId);
if (templateZone != null) {
_tmpltZoneDao.remove(templateZone.getId());
}
UsageEventVO usageEvent = new UsageEventVO(eventType, account.getId(), pxeServer.getDataCenterId(), templateId, null);
_usageEventDao.persist(usageEvent);
} finally {
if (lock != null) {
_tmpltHostDao.releaseFromLockTable(lock.getId());
}
}
}
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;
}
}