// 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.configuration.dao;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.ejb.Local;
import javax.naming.ConfigurationException;
import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;
import com.cloud.configuration.ConfigurationVO;
import com.cloud.utils.component.ComponentLifecycle;
import com.cloud.utils.crypt.DBEncryptionUtil;
import com.cloud.utils.db.DB;
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.exception.CloudRuntimeException;
@Component
@Local(value={ConfigurationDao.class})
public class ConfigurationDaoImpl extends GenericDaoBase<ConfigurationVO, String> implements ConfigurationDao {
private static final Logger s_logger = Logger.getLogger(ConfigurationDaoImpl.class);
private Map<String, String> _configs = null;
private boolean _premium;
final SearchBuilder<ConfigurationVO> InstanceSearch;
final SearchBuilder<ConfigurationVO> NameSearch;
public static final String UPDATE_CONFIGURATION_SQL = "UPDATE configuration SET value = ? WHERE name = ?";
public ConfigurationDaoImpl () {
InstanceSearch = createSearchBuilder();
InstanceSearch.and("instance", InstanceSearch.entity().getInstance(), SearchCriteria.Op.EQ);
NameSearch = createSearchBuilder();
NameSearch.and("name", NameSearch.entity().getName(), SearchCriteria.Op.EQ);
setRunLevel(ComponentLifecycle.RUN_LEVEL_SYSTEM_BOOTSTRAP);
}
@Override
public boolean isPremium() {
return _premium;
}
@Override
public void invalidateCache() {
_configs = null;
}
@Override
public Map<String, String> getConfiguration(String instance, Map<String, ? extends Object> params) {
if (_configs == null) {
_configs = new HashMap<String, String>();
SearchCriteria<ConfigurationVO> sc = InstanceSearch.create();
sc.setParameters("instance", "DEFAULT");
List<ConfigurationVO> configurations = listIncludingRemovedBy(sc);
for (ConfigurationVO config : configurations) {
if (config.getValue() != null)
_configs.put(config.getName(), config.getValue());
}
if(!"DEFAULT".equals(instance)){
//Default instance params are already added, need not add again
sc = InstanceSearch.create();
sc.setParameters("instance", instance);
configurations = listIncludingRemovedBy(sc);
for (ConfigurationVO config : configurations) {
if (config.getValue() != null)
_configs.put(config.getName(), config.getValue());
}
}
}
mergeConfigs(_configs, params);
return _configs;
}
@Override
public Map<String, String> getConfiguration(Map<String, ? extends Object> params) {
return getConfiguration("DEFAULT", params);
}
@Override
public Map<String, String> getConfiguration() {
return getConfiguration("DEFAULT", new HashMap<String, Object>());
}
protected void mergeConfigs(Map<String, String> dbParams, Map<String, ? extends Object> xmlParams) {
for (Map.Entry<String, ? extends Object> param : xmlParams.entrySet()) {
dbParams.put(param.getKey(), (String)param.getValue());
}
}
@Override
public boolean configure(String name, Map<String, Object> params) throws ConfigurationException {
super.configure(name, params);
Object premium = params.get("premium");
_premium = (premium != null) && ((String) premium).equals("true");
return true;
}
//Use update method with category instead
@Override @Deprecated
public boolean update(String name, String value) {
Transaction txn = Transaction.currentTxn();
try {
PreparedStatement stmt = txn.prepareStatement(UPDATE_CONFIGURATION_SQL);
stmt.setString(1, value);
stmt.setString(2, name);
stmt.executeUpdate();
return true;
} catch (Exception e) {
s_logger.warn("Unable to update Configuration Value", e);
}
return false;
}
@Override
public boolean update(String name, String category, String value) {
Transaction txn = Transaction.currentTxn();
try {
value = ("Hidden".equals(category) || "Secure".equals(category)) ? DBEncryptionUtil.encrypt(value) : value;
PreparedStatement stmt = txn.prepareStatement(UPDATE_CONFIGURATION_SQL);
stmt.setString(1, value);
stmt.setString(2, name);
stmt.executeUpdate();
return true;
} catch (Exception e) {
s_logger.warn("Unable to update Configuration Value", e);
}
return false;
}
@Override
public String getValue(String name) {
ConfigurationVO config = findByName(name);
return (config == null) ? null : config.getValue();
}
@Override
public String getValueAndInitIfNotExist(String name, String category, String initValue) {
return getValueAndInitIfNotExist(name, category, initValue, "");
}
@Override
@DB
public String getValueAndInitIfNotExist(String name, String category, String initValue, String desc) {
String returnValue = initValue;
try {
ConfigurationVO config = findByName(name);
if (config != null) {
if (config.getValue() != null) {
returnValue = config.getValue();
} else {
update(name, category, initValue);
}
} else {
if (category.equals("Hidden") || category.equals("Secure")) {
initValue = DBEncryptionUtil.encrypt(initValue);
}
ConfigurationVO newConfig = new ConfigurationVO(category, "DEFAULT", "management-server", name, initValue, desc);
persist(newConfig);
}
return returnValue;
} catch (Exception e) {
s_logger.warn("Unable to update Configuration Value", e);
throw new CloudRuntimeException("Unable to initialize configuration variable: " + name);
}
}
@Override
public ConfigurationVO findByName(String name) {
SearchCriteria<ConfigurationVO> sc = NameSearch.create();
sc.setParameters("name", name);
return findOneIncludingRemovedBy(sc);
}
}