Package com.cloud.upgrade.dao

Source Code of com.cloud.upgrade.dao.Upgrade307to410

// 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.upgrade.dao;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Properties;

import com.cloud.utils.PropertiesUtil;
import com.cloud.utils.crypt.EncryptionSecretKeyChecker;
import org.apache.log4j.Logger;

import com.cloud.utils.db.Transaction;
import com.cloud.utils.exception.CloudRuntimeException;
import com.cloud.utils.script.Script;
import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
import org.jasypt.properties.EncryptableProperties;

public class Upgrade307to410 implements DbUpgrade {
    final static Logger s_logger = Logger.getLogger(Upgrade307to410.class);

    @Override
    public String[] getUpgradableVersionRange() {
        return new String[] { "3.0.7", "4.1.0" };
    }

    @Override
    public String getUpgradedVersion() {
        return "4.1.0";
    }

    @Override
    public boolean supportsRollingUpgrade() {
        return false;
    }

    @Override
    public File[] getPrepareScripts() {
        String script = Script.findScript("", "db/schema-307to410.sql");
        if (script == null) {
            throw new CloudRuntimeException("Unable to find db/schema-307to410.sql");
        }

        return new File[] { new File(script) };
    }

    @Override
    public void performDataMigration(Connection conn) {
        updateRegionEntries(conn);
    }
   
    private void updateRegionEntries(Connection conn) {
        File dbPropsFile = PropertiesUtil.findConfigFile("db.properties");
        final Properties dbProps;
        if (EncryptionSecretKeyChecker.useEncryption()) {
            StandardPBEStringEncryptor encryptor = EncryptionSecretKeyChecker.getEncryptor();
            dbProps = new EncryptableProperties(encryptor);
        } else {
            dbProps = new Properties();
        }
        try {
            dbProps.load(new FileInputStream(dbPropsFile));
        } catch (IOException e) {
            s_logger.fatal("Unable to load db properties file, pl. check the classpath and file path configuration", e);
            return;
        } catch (NullPointerException e) {
            s_logger.fatal("Unable to locate db properties file within classpath or absolute path: db.properties");
            return;
        }
        int region_id = 1;
        String regionId = dbProps.getProperty("region.id");
        if(regionId != null){
            region_id = Integer.parseInt(regionId);
        }
        PreparedStatement pstmt = null;
        try {
            //Update regionId in region table
            s_logger.debug("Updating region table with Id: "+region_id);
            pstmt = conn.prepareStatement("update `cloud`.`region` set id = ?");
            pstmt.setInt(1, region_id);
            pstmt.executeUpdate();

        } catch (SQLException e) {
            throw new CloudRuntimeException("Error while updating region entries", e);
        } finally {
            try {
                if (pstmt != null) {
                    pstmt.close();
                }
            } catch (SQLException e) {
            }
        }
    }
   

    @Override
    public File[] getCleanupScripts() {
        String script = Script.findScript("", "db/schema-307to410-cleanup.sql");
        if (script == null) {
            throw new CloudRuntimeException("Unable to find db/schema-307to410-cleanup.sql");
        }

        return new File[] { new File(script) };
    }
}
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