// 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.upgrade.dao;
import java.io.File;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.log4j.Logger;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.script.Script;
public class Upgrade228to229 implements DbUpgrade {
final static Logger s_logger = Logger.getLogger(Upgrade228to229.class);
@Override
public String[] getUpgradableVersionRange() {
return new String[] { "2.2.8", "2.2.8"};
}
@Override
public String getUpgradedVersion() {
return "2.2.9";
}
@Override
public boolean supportsRollingUpgrade() {
return true;
}
@Override
public File[] getPrepareScripts() {
String script = Script.findScript("", "db/schema-228to229.sql");
if (script == null) {
throw new CloudRuntimeException("Unable to find db/schema-228to229.sql");
}
return new File[] { new File(script) };
}
@Override
public void performDataMigration(Connection conn) {
dropKeysIfExist(conn);
PreparedStatement pstmt;
try {
/*fk_cluster__data_center_id has been wrongly added in previous upgrade(not sure which one), 228to229 upgrade drops it and re-add again*/
pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`cluster` ADD CONSTRAINT `fk_cluster__data_center_id` FOREIGN KEY (`data_center_id`) REFERENCES `cloud`.`data_center`(`id`) ON DELETE CASCADE");
pstmt.executeUpdate();
pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`snapshots` ADD INDEX `i_snapshots__removed`(`removed`)");
pstmt.executeUpdate();
pstmt = conn.prepareStatement("ALTER TABLE `cloud`.`network_tags` ADD CONSTRAINT `fk_network_tags__network_id` FOREIGN KEY (`network_id`) REFERENCES `networks`(`id`) ON DELETE CASCADE");
pstmt.executeUpdate();
pstmt.close();
} catch (SQLException e) {
throw new CloudRuntimeException("Unable to execute cluster update", e);
}
}
@Override
public File[] getCleanupScripts() {
return null;
}
private void dropKeysIfExist(Connection conn) {
HashMap<String, List<String>> indexes = new HashMap<String, List<String>>();
HashMap<String, List<String>> foreignKeys = new HashMap<String, List<String>>();
//indexes to drop
//for network_offering
List<String> keys = new ArrayList<String>();
keys.add("name");
indexes.put("network_offerings", keys);
//for snapshot
keys = new ArrayList<String>();
keys.add("i_snapshots__removed");
indexes.put("snapshots", keys);
//for domain router
keys = new ArrayList<String>();
keys.add("i_domain_router__public_ip_address");
indexes.put("domain_router", keys);
//for user_ip_address
keys = new ArrayList<String>();
keys.add("i_user_ip_address__public_ip_address");
indexes.put("user_ip_address", keys);
//foreign keys to drop - this key would be re-added later
keys = new ArrayList<String>();
keys.add("fk_cluster__data_center_id");
foreignKeys.put("cluster", keys);
keys = new ArrayList<String>();
keys.add("fk_domain_router__public_ip_address");
foreignKeys.put("domain_router", keys);
//drop foreign key from network tags table - it would be re-added later
keys = new ArrayList<String>();
keys.add("fk_network_tags__network_id");
foreignKeys.put("network_tags", keys);
// drop all foreign keys first
s_logger.debug("Dropping keys that don't exist in 2.2.6 version of the DB...");
for (String tableName : foreignKeys.keySet()) {
DbUpgradeUtils.dropKeysIfExist(conn, tableName, foreignKeys.get(tableName), true);
}
// drop indexes now
for (String tableName : indexes.keySet()) {
DbUpgradeUtils.dropKeysIfExist(conn, tableName, indexes.get(tableName), false);
}
}
}