// 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.swift;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.ejb.Local;
import javax.inject.Inject;
import javax.naming.ConfigurationException;
import org.apache.cloudstack.api.command.admin.swift.ListSwiftsCmd;
import org.apache.cloudstack.api.command.user.iso.DeleteIsoCmd;
import org.apache.cloudstack.api.command.user.template.DeleteTemplateCmd;
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.DeleteObjectFromSwiftCommand;
import com.cloud.agent.api.to.SwiftTO;
import org.apache.cloudstack.api.command.admin.swift.AddSwiftCmd;
import com.cloud.configuration.Config;
import com.cloud.configuration.dao.ConfigurationDao;
import com.cloud.dc.DataCenterVO;
import com.cloud.dc.dao.DataCenterDao;
import com.cloud.exception.DiscoveryException;
import com.cloud.host.HostVO;
import com.cloud.host.dao.HostDao;
import com.cloud.storage.SwiftVO;
import com.cloud.storage.VMTemplateHostVO;
import com.cloud.storage.VMTemplateSwiftVO;
import com.cloud.storage.VMTemplateZoneVO;
import com.cloud.storage.dao.SwiftDao;
import com.cloud.storage.dao.VMTemplateHostDao;
import com.cloud.storage.dao.VMTemplateSwiftDao;
import com.cloud.storage.dao.VMTemplateZoneDao;
import com.cloud.utils.Pair;
import com.cloud.utils.component.ManagerBase;
import com.cloud.utils.db.Filter;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.SearchCriteria.Op;
import com.cloud.utils.db.SearchCriteria2;
import com.cloud.utils.db.SearchCriteriaService;
import com.cloud.utils.exception.CloudRuntimeException;
@Component
@Local(value = { SwiftManager.class })
public class SwiftManagerImpl extends ManagerBase implements SwiftManager {
private static final Logger s_logger = Logger.getLogger(SwiftManagerImpl.class);
@Inject
private SwiftDao _swiftDao;
@Inject
VMTemplateSwiftDao _vmTmpltSwiftlDao;
@Inject
private ConfigurationDao _configDao;
@Inject
private AgentManager _agentMgr;
@Inject
private DataCenterDao _dcDao;
@Inject
private VMTemplateZoneDao _vmTmpltZoneDao;
@Inject
private VMTemplateHostDao _vmTmpltHostDao;
@Inject
private HostDao _hostDao;
@Override
public SwiftTO getSwiftTO(Long swiftId) {
return _swiftDao.getSwiftTO(swiftId);
}
@Override
public SwiftTO getSwiftTO() {
return _swiftDao.getSwiftTO(null);
}
@Override
public boolean isSwiftEnabled() {
Boolean swiftEnable = Boolean.valueOf(_configDao.getValue(Config.SwiftEnable.key()));
if (swiftEnable) {
return true;
}
return false;
}
@Override
public boolean isTemplateInstalled(Long templateId) {
SearchCriteriaService<VMTemplateSwiftVO, VMTemplateSwiftVO> sc = SearchCriteria2.create(VMTemplateSwiftVO.class);
sc.addAnd(sc.getEntity().getTemplateId(), Op.EQ, templateId);
return !sc.list().isEmpty();
}
@Override
public SwiftVO addSwift(AddSwiftCmd cmd) throws DiscoveryException {
if (!isSwiftEnabled()) {
throw new DiscoveryException("Swift is not enabled");
}
SwiftVO swift = new SwiftVO(cmd.getUrl(), cmd.getAccount(), cmd.getUsername(), cmd.getKey());
swift = _swiftDao.persist(swift);
return swift;
}
@Override
public boolean start() {
if (s_logger.isInfoEnabled()) {
s_logger.info("Start Swift Manager");
}
return true;
}
@Override
public void deleteIso(DeleteIsoCmd cmd) {
String msg;
SwiftTO swift = getSwiftTO();
if (swift == null) {
msg = "There is no Swift in this setup";
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
}
VMTemplateSwiftVO tmpltSwiftRef = _vmTmpltSwiftlDao.findBySwiftTemplate(swift.getId(), cmd.getId());
if ( tmpltSwiftRef == null ) {
msg = "Delete ISO failed due to cannot find ISO " + cmd.getId() + " in Swift ";
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
}
Answer answer = _agentMgr.sendToSSVM(null, new DeleteObjectFromSwiftCommand(swift, "T-" + cmd.getId(), null));
if (answer == null || !answer.getResult()) {
msg = "Failed to delete " + tmpltSwiftRef + " due to " + ((answer == null) ? "answer is null" : answer.getDetails());
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
} else {
_vmTmpltSwiftlDao.remove(tmpltSwiftRef.getId());
s_logger.debug("Deleted template " + cmd.getId() + " in Swift");
}
}
@Override
public void deleteTemplate(DeleteTemplateCmd cmd) {
String msg;
SwiftTO swift = getSwiftTO();
if (swift == null) {
msg = "There is no Swift in this setup";
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
}
VMTemplateSwiftVO tmpltSwiftRef = _vmTmpltSwiftlDao.findBySwiftTemplate(swift.getId(), cmd.getId());
if (tmpltSwiftRef == null) {
msg = "Delete Template failed due to cannot find Template" + cmd.getId() + " in Swift ";
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
}
Answer answer = _agentMgr.sendToSSVM(null, new DeleteObjectFromSwiftCommand(swift, "T-" + cmd.getId(), null));
if (answer == null || !answer.getResult()) {
msg = "Failed to delete " + tmpltSwiftRef + " due to " + ((answer == null) ? "answer is null" : answer.getDetails());
s_logger.warn(msg);
throw new CloudRuntimeException(msg);
} else {
_vmTmpltSwiftlDao.remove(tmpltSwiftRef.getId());
s_logger.debug("Deleted template " + cmd.getId() + " in Swift");
}
}
@Override
public void propagateTemplateOnAllZones(Long tmpltId) {
String msg;
SwiftTO swift = getSwiftTO();
if (swift == null) {
msg = "There is no Swift in this setup";
s_logger.trace(msg);
return;
}
VMTemplateSwiftVO tmpltSwiftRef = _vmTmpltSwiftlDao.findOneByTemplateId(tmpltId);
if (tmpltSwiftRef != null) {
List<DataCenterVO> dcs = _dcDao.listAll();
for (DataCenterVO dc : dcs) {
VMTemplateZoneVO tmpltZoneVO = new VMTemplateZoneVO(dc.getId(), tmpltId, new Date());
try {
_vmTmpltZoneDao.persist(tmpltZoneVO);
} catch (Exception e) {
}
}
}
}
@Override
public void propagateSwiftTmplteOnZone(Long zoneId) {
String msg;
SwiftTO swift = getSwiftTO();
if (swift == null) {
msg = "There is no Swift in this setup";
s_logger.trace(msg);
return;
}
List<Long> tmpltIds = new ArrayList<Long>();
List<VMTemplateSwiftVO> tmpltSwiftRefs = _vmTmpltSwiftlDao.listAll();
if (tmpltSwiftRefs == null) {
return;
}
for (VMTemplateSwiftVO tmpltSwiftRef : tmpltSwiftRefs) {
Long tmpltId = tmpltSwiftRef.getTemplateId();
if (!tmpltIds.contains(tmpltId)) {
tmpltIds.add(tmpltId);
VMTemplateZoneVO tmpltZoneVO = new VMTemplateZoneVO(zoneId, tmpltId, new Date());
try {
_vmTmpltZoneDao.persist(tmpltZoneVO);
} catch (Exception e) {
}
}
}
}
@Override
public Long chooseZoneForTmpltExtract(Long tmpltId) {
SwiftTO swift = getSwiftTO();
if (swift == null) {
return null;
}
List<VMTemplateHostVO> tmpltHosts = _vmTmpltHostDao.listByOnlyTemplateId(tmpltId);
if (tmpltHosts != null) {
Collections.shuffle(tmpltHosts);
for (VMTemplateHostVO tHost : tmpltHosts) {
HostVO host = _hostDao.findById(tHost.getHostId());
if (host != null) {
return host.getDataCenterId();
}
throw new CloudRuntimeException("can not find secondary storage host");
}
}
List<DataCenterVO> dcs = _dcDao.listAll();
Collections.shuffle(dcs);
return dcs.get(0).getId();
}
@Override
public Pair<List<SwiftVO>, Integer> listSwifts(ListSwiftsCmd cmd) {
Filter searchFilter = new Filter(SwiftVO.class, "id", Boolean.TRUE, cmd.getStartIndex(), cmd.getPageSizeVal());
SearchCriteria<SwiftVO> sc = _swiftDao.createSearchCriteria();
if (cmd.getId() != null) {
sc.addAnd("id", SearchCriteria.Op.EQ, cmd.getId());
}
return _swiftDao.searchAndCount(sc, searchFilter);
}
@Override
public VMTemplateSwiftVO findByTmpltId(Long tmpltId) {
return _vmTmpltSwiftlDao.findOneByTemplateId(tmpltId);
}
@Override
public boolean stop() {
if (s_logger.isInfoEnabled()) {
s_logger.info("Stop Swift Manager");
}
return true;
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
if (s_logger.isInfoEnabled()) {
s_logger.info("Start configuring Swift Manager : " + name);
}
return true;
}
protected SwiftManagerImpl() {
}
}