// 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.migration;
import java.io.File;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.log4j.xml.DOMConfigurator;
import com.cloud.utils.PropertiesUtil;
import com.cloud.utils.db.DB;
import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
@DB(txn=false)
public class Db22beta4to22GAMigrationUtil {
private Map<Long,Long> pfRuleIdToIpAddressIdMap = new HashMap<Long, Long>();
private final String FindPfIdToPublicIpId = "SELECT id,ip_address_id from firewall_rules where is_static_nat=1";
private final String FindVmIdPerPfRule = "SELECT instance_id from port_forwarding_rules where id = ?";
private final String WriteVmIdToIpAddrTable = "UPDATE user_ip_address set vm_id = ? where id = ?";
protected Db22beta4to22GAMigrationUtil() {
}
@DB
//This method gets us a map of pf/firewall id <-> ip address id
//Using the keyset, we will iterate over the pf table to find corresponding vm id
//When we get the vm id, we will use the val for each key to update the corresponding ip addr row with the vm id
public void populateMap(){
Long key = null;
Long val = null;
Transaction txn = Transaction.open(Transaction.CLOUD_DB);
StringBuilder sql = new StringBuilder(FindPfIdToPublicIpId);
PreparedStatement pstmt = null;
try {
pstmt = txn.prepareAutoCloseStatement(sql.toString());
ResultSet rs = pstmt.executeQuery();
while (rs.next()) {
key = rs.getLong("id");
val = rs.getLong("ip_address_id");
pfRuleIdToIpAddressIdMap.put(key, val);
}
} catch (SQLException e) {
throw new CloudRuntimeException("Unable to execute " + pstmt.toString(), e);
}
}
@DB
public void updateVmIdForIpAddresses(){
Transaction txn = Transaction.open(Transaction.CLOUD_DB);
Set<Long> pfIds = pfRuleIdToIpAddressIdMap.keySet();
StringBuilder sql = new StringBuilder(FindVmIdPerPfRule);
Long vmId = null;
Long ipAddressId = null;
PreparedStatement pstmt = null;
for(Long pfId : pfIds){
try {
pstmt = txn.prepareAutoCloseStatement(sql.toString());
pstmt.setLong(1, pfId);
ResultSet rs = pstmt.executeQuery();
while(rs.next()) {
vmId = rs.getLong("instance_id");
}
ipAddressId = pfRuleIdToIpAddressIdMap.get(pfId);
finallyUpdate(ipAddressId, vmId, txn);
} catch (SQLException e) {
throw new CloudRuntimeException("Unable to execute " + pstmt.toString(), e);
}
}
}
@DB
public void finallyUpdate(Long ipAddressId, Long vmId, Transaction txn){
StringBuilder sql = new StringBuilder(WriteVmIdToIpAddrTable);
PreparedStatement pstmt = null;
try {
pstmt = txn.prepareAutoCloseStatement(sql.toString());
pstmt.setLong(1, vmId);
pstmt.setLong(2, ipAddressId);
int rs = pstmt.executeUpdate();
} catch (SQLException e) {
throw new CloudRuntimeException("Unable to execute " + pstmt.toString(), e);
}
}
public static void main(String[] args) {
File file = PropertiesUtil.findConfigFile("log4j-cloud.xml");
if(file != null) {
System.out.println("Log4j configuration from : " + file.getAbsolutePath());
DOMConfigurator.configureAndWatch(file.getAbsolutePath(), 10000);
} else {
System.out.println("Configure log4j with default properties");
}
Db22beta4to22GAMigrationUtil util = new Db22beta4to22GAMigrationUtil();
util.populateMap();
util.updateVmIdForIpAddresses();
}
}