/**
* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
*
* This software is licensed under the GNU General Public License v3 or later.
*
* It is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.cloud.vm.dao;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.ejb.Local;
import org.apache.log4j.Logger;
import com.cloud.utils.db.Attribute;
import com.cloud.utils.db.GenericDaoBase;
import com.cloud.utils.db.SearchBuilder;
import com.cloud.utils.db.SearchCriteria;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.db.UpdateBuilder;
import com.cloud.vm.SecondaryStorageVmVO;
import com.cloud.vm.State;
import com.cloud.vm.VirtualMachine;
@Local(value={SecondaryStorageVmDao.class})
public class SecondaryStorageVmDaoImpl extends GenericDaoBase<SecondaryStorageVmVO, Long> implements SecondaryStorageVmDao {
private static final Logger s_logger = Logger.getLogger(SecondaryStorageVmDaoImpl.class);
protected SearchBuilder<SecondaryStorageVmVO> DataCenterStatusSearch;
protected SearchBuilder<SecondaryStorageVmVO> StateSearch;
protected SearchBuilder<SecondaryStorageVmVO> HostSearch;
protected SearchBuilder<SecondaryStorageVmVO> HostUpSearch;
protected SearchBuilder<SecondaryStorageVmVO> ZoneSearch;
protected SearchBuilder<SecondaryStorageVmVO> StateChangeSearch;
protected final Attribute _updateTimeAttr;
public SecondaryStorageVmDaoImpl() {
DataCenterStatusSearch = createSearchBuilder();
DataCenterStatusSearch.and("dc", DataCenterStatusSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
DataCenterStatusSearch.and("states", DataCenterStatusSearch.entity().getState(), SearchCriteria.Op.IN);
DataCenterStatusSearch.done();
StateSearch = createSearchBuilder();
StateSearch.and("states", StateSearch.entity().getState(), SearchCriteria.Op.IN);
StateSearch.done();
HostSearch = createSearchBuilder();
HostSearch.and("host", HostSearch.entity().getHostId(), SearchCriteria.Op.EQ);
HostSearch.done();
HostUpSearch = createSearchBuilder();
HostUpSearch.and("host", HostUpSearch.entity().getHostId(), SearchCriteria.Op.EQ);
HostUpSearch.and("states", HostUpSearch.entity().getState(), SearchCriteria.Op.NIN);
HostUpSearch.done();
ZoneSearch = createSearchBuilder();
ZoneSearch.and("zone", ZoneSearch.entity().getDataCenterId(), SearchCriteria.Op.EQ);
ZoneSearch.done();
StateChangeSearch = createSearchBuilder();
StateChangeSearch.and("id", StateChangeSearch.entity().getId(), SearchCriteria.Op.EQ);
StateChangeSearch.and("states", StateChangeSearch.entity().getState(), SearchCriteria.Op.EQ);
StateChangeSearch.and("host", StateChangeSearch.entity().getHostId(), SearchCriteria.Op.EQ);
StateChangeSearch.and("update", StateChangeSearch.entity().getUpdated(), SearchCriteria.Op.EQ);
StateChangeSearch.done();
_updateTimeAttr = _allAttributes.get("updateTime");
assert _updateTimeAttr != null : "Couldn't get this updateTime attribute";
}
@Override
public boolean updateIf(SecondaryStorageVmVO vm, VirtualMachine.Event event, Long hostId) {
State oldState = vm.getState();
State newState = oldState.getNextState(event);
Long oldHostId = vm.getHostId();
long oldDate = vm.getUpdated();
if (newState == null) {
if (s_logger.isDebugEnabled()) {
s_logger.debug("There's no way to transition from old state: " + oldState.toString() + " event: " + event.toString());
}
return false;
}
SearchCriteria sc = StateChangeSearch.create();
sc.setParameters("id", vm.getId());
sc.setParameters("states", oldState);
sc.setParameters("host", vm.getHostId());
sc.setParameters("update", vm.getUpdated());
vm.incrUpdated();
UpdateBuilder ub = getUpdateBuilder(vm);
if(newState == State.Running) {
// save current running host id
ub.set(vm, "lastHostId", vm.getHostId());
}
ub.set(vm, _updateTimeAttr, new Date());
ub.set(vm, "state", newState);
ub.set(vm, "hostId", hostId);
if (newState == State.Stopped) {
ub.set(vm, "hostId", null);
}
int result = update(vm, sc);
if (result == 0 && s_logger.isDebugEnabled()) {
SecondaryStorageVmVO vo = findById(vm.getId());
StringBuilder str = new StringBuilder("Unable to update ").append(vo.toString());
str.append(": DB Data={Host=").append(vo.getHostId()).append("; State=").append(vo.getState().toString()).append("; updated=").append(vo.getUpdated());
str.append("} New Data: {Host=").append(vm.getHostId()).append("; State=").append(vm.getState().toString()).append("; updated=").append(vm.getUpdated());
str.append("} Stale Data: {Host=").append(oldHostId).append("; State=").append(oldState.toString()).append("; updated=").append(oldDate).append("}");
s_logger.debug(str.toString());
}
return result > 0;
}
@Override
public boolean remove(Long id) {
Transaction txn = Transaction.currentTxn();
txn.start();
SecondaryStorageVmVO proxy = createForUpdate();
proxy.setPublicIpAddress(null);
proxy.setPrivateIpAddress(null);
UpdateBuilder ub = getUpdateBuilder(proxy);
ub.set(proxy, "state", State.Destroyed);
ub.set(proxy, "privateIpAddress", null);
update(id, ub);
boolean result = super.remove(id);
txn.commit();
return result;
}
@Override
public List<SecondaryStorageVmVO> getSecStorageVmListInStates(long dataCenterId, State... states) {
SearchCriteria sc = DataCenterStatusSearch.create();
sc.setParameters("states", (Object[])states);
sc.setParameters("dc", dataCenterId);
return listActiveBy(sc);
}
@Override
public List<SecondaryStorageVmVO> getSecStorageVmListInStates(State... states) {
SearchCriteria sc = StateSearch.create();
sc.setParameters("states", (Object[])states);
return listActiveBy(sc);
}
@Override
public List<SecondaryStorageVmVO> listByHostId(long hostId) {
SearchCriteria sc = HostSearch.create();
sc.setParameters("host", hostId);
return listActiveBy(sc);
}
@Override
public List<SecondaryStorageVmVO> listUpByHostId(long hostId) {
SearchCriteria sc = HostUpSearch.create();
sc.setParameters("host", hostId);
sc.setParameters("states", new Object[] {State.Destroyed, State.Stopped, State.Expunging});
return listActiveBy(sc);
}
@Override
public List<Long> getRunningSecStorageVmListByMsid(long msid) {
List<Long> l = new ArrayList<Long>();
Transaction txn = Transaction.currentTxn();;
PreparedStatement pstmt = null;
try {
pstmt = txn.prepareAutoCloseStatement(
"SELECT s.id FROM secondary_storage_vm s, vm_instance v, host h " +
"WHERE s.id=v.id AND v.state='Running' AND v.host_id=h.id AND h.mgmt_server_id=?");
pstmt.setLong(1, msid);
ResultSet rs = pstmt.executeQuery();
while(rs.next()) {
l.add(rs.getLong(1));
}
} catch (SQLException e) {
} catch (Throwable e) {
}
return l;
}
@Override
public List<SecondaryStorageVmVO> listByZoneId(long zoneId) {
SearchCriteria sc = ZoneSearch.create();
sc.setParameters("zone", zoneId);
return listActiveBy(sc);
}
}