/*
* 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 org.apache.cloudstack.storage.image;
import java.util.ArrayList;
import java.util.List;
import javax.inject.Inject;
import org.apache.cloudstack.engine.subsystem.api.storage.DataObject;
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.TemplateDataFactory;
import org.apache.cloudstack.engine.subsystem.api.storage.TemplateInfo;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreDao;
import org.apache.cloudstack.storage.datastore.db.TemplateDataStoreVO;
import org.apache.cloudstack.storage.image.store.TemplateObject;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import com.cloud.storage.DataStoreRole;
import com.cloud.storage.VMTemplateStoragePoolVO;
import com.cloud.storage.VMTemplateVO;
import com.cloud.storage.dao.VMTemplateDao;
import com.cloud.storage.dao.VMTemplatePoolDao;
@Component
public class TemplateDataFactoryImpl implements TemplateDataFactory {
private static final Logger s_logger = Logger.getLogger(TemplateDataFactoryImpl.class);
@Inject
VMTemplateDao imageDataDao;
@Inject
DataStoreManager storeMgr;
@Inject
VMTemplatePoolDao templatePoolDao;
@Inject
TemplateDataStoreDao templateStoreDao;
@Override
public TemplateInfo getTemplate(long templateId, DataStore store) {
VMTemplateVO templ = imageDataDao.findById(templateId);
if (store == null) {
TemplateObject tmpl = TemplateObject.getTemplate(templ, null);
return tmpl;
}
// verify if the given input parameters are consistent with our db data.
boolean found = false;
if (store.getRole() == DataStoreRole.Primary) {
VMTemplateStoragePoolVO templatePoolVO = templatePoolDao.findByPoolTemplate(store.getId(), templateId);
if (templatePoolVO != null) {
found = true;
}
} else {
TemplateDataStoreVO templateStoreVO = templateStoreDao.findByStoreTemplate(store.getId(), templateId);
if (templateStoreVO != null) {
found = true;
}
}
if (s_logger.isDebugEnabled()) {
if (!found) {
s_logger.debug("template " + templateId + " is not in store:" + store.getId() + ", type:" + store.getRole());
} else {
s_logger.debug("template " + templateId + " is already in store:" + store.getId() + ", type:" + store.getRole());
}
}
TemplateObject tmpl = TemplateObject.getTemplate(templ, store);
return tmpl;
}
@Override
public TemplateInfo getTemplate(long templateId, DataStoreRole storeRole) {
TemplateDataStoreVO tmplStore = templateStoreDao.findByTemplate(templateId, storeRole);
DataStore store = null;
if (tmplStore != null) {
store = storeMgr.getDataStore(tmplStore.getDataStoreId(), storeRole);
}
return this.getTemplate(templateId, store);
}
@Override
public TemplateInfo getTemplate(long templateId, DataStoreRole storeRole, Long zoneId) {
TemplateDataStoreVO tmplStore = templateStoreDao.findByTemplateZone(templateId, zoneId, storeRole);
DataStore store = null;
if (tmplStore != null) {
store = storeMgr.getDataStore(tmplStore.getDataStoreId(), storeRole);
}
return this.getTemplate(templateId, store);
}
@Override
public TemplateInfo getReadyTemplateOnImageStore(long templateId, Long zoneId) {
TemplateDataStoreVO tmplStore = templateStoreDao.findByTemplateZoneReady(templateId, zoneId);
if (tmplStore != null) {
DataStore store = storeMgr.getDataStore(tmplStore.getDataStoreId(), DataStoreRole.Image);
return this.getTemplate(templateId, store);
} else {
return null;
}
}
@Override
public TemplateInfo getTemplate(DataObject obj, DataStore store) {
TemplateObject tmpObj = (TemplateObject)this.getTemplate(obj.getId(), store);
// carry over url set in passed in data object, for copyTemplate case
// where url is generated on demand and not persisted in DB.
// need to think of a more generic way to pass these runtime information
// carried through DataObject post 4.2
TemplateObject origTmpl = (TemplateObject)obj;
tmpObj.setUrl(origTmpl.getUrl());
return tmpObj;
}
@Override
public TemplateInfo getReadyTemplateOnCache(long templateId) {
TemplateDataStoreVO tmplStore = templateStoreDao.findReadyOnCache(templateId);
if (tmplStore != null) {
DataStore store = storeMgr.getDataStore(tmplStore.getDataStoreId(), DataStoreRole.ImageCache);
return getTemplate(templateId, store);
} else {
return null;
}
}
@Override
public List<TemplateInfo> listTemplateOnCache(long templateId) {
List<TemplateDataStoreVO> cacheTmpls = templateStoreDao.listOnCache(templateId);
List<TemplateInfo> tmplObjs = new ArrayList<TemplateInfo>();
for (TemplateDataStoreVO cacheTmpl : cacheTmpls) {
long storeId = cacheTmpl.getDataStoreId();
DataStore store = storeMgr.getDataStore(storeId, DataStoreRole.ImageCache);
TemplateInfo tmplObj = getTemplate(templateId, store);
tmplObjs.add(tmplObj);
}
return tmplObjs;
}
}