mirror of https://github.com/apache/cloudstack.git
262 lines
12 KiB
Java
262 lines
12 KiB
Java
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.upgrade;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.IOException;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.TreeMap;
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import org.apache.log4j.Logger;
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import com.cloud.cluster.ClusterManagerImpl;
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import com.cloud.maint.Version;
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import com.cloud.upgrade.dao.DbUpgrade;
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import com.cloud.upgrade.dao.Upgrade217to218;
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import com.cloud.upgrade.dao.Upgrade218to22;
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import com.cloud.upgrade.dao.Upgrade218to224DomainVlans;
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import com.cloud.upgrade.dao.Upgrade221to222;
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import com.cloud.upgrade.dao.Upgrade222to224;
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import com.cloud.upgrade.dao.UpgradeSnapshot217to224;
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import com.cloud.upgrade.dao.UpgradeSnapshot223to224;
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import com.cloud.upgrade.dao.VersionDao;
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import com.cloud.upgrade.dao.VersionDaoImpl;
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import com.cloud.upgrade.dao.VersionVO;
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import com.cloud.upgrade.dao.VersionVO.Step;
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import com.cloud.utils.component.ComponentLocator;
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import com.cloud.utils.component.SystemIntegrityChecker;
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import com.cloud.utils.db.GlobalLock;
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import com.cloud.utils.db.ScriptRunner;
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import com.cloud.utils.db.Transaction;
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import com.cloud.utils.exception.CloudRuntimeException;
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public class DatabaseUpgradeChecker implements SystemIntegrityChecker {
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private final Logger s_logger = Logger.getLogger(DatabaseUpgradeChecker.class);
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protected HashMap<String, DbUpgrade[]> _upgradeMap = new HashMap<String, DbUpgrade[]>();
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VersionDao _dao;
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public DatabaseUpgradeChecker() {
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_dao = ComponentLocator.inject(VersionDaoImpl.class);
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_upgradeMap.put("2.1.7", new DbUpgrade[] { new Upgrade217to218(), new Upgrade218to22(), new Upgrade221to222(), new UpgradeSnapshot217to224(), new Upgrade222to224() });
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_upgradeMap.put("2.1.8", new DbUpgrade[] { new Upgrade218to22(), new Upgrade221to222(), new UpgradeSnapshot217to224(), new Upgrade222to224(), new Upgrade218to224DomainVlans() });
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_upgradeMap.put("2.1.9", new DbUpgrade[] { new Upgrade218to22(), new Upgrade221to222(), new UpgradeSnapshot217to224(), new Upgrade222to224(), new Upgrade218to224DomainVlans() });
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_upgradeMap.put("2.2.1", new DbUpgrade[] { new Upgrade221to222(), new UpgradeSnapshot223to224(), new Upgrade222to224()});
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_upgradeMap.put("2.2.2", new DbUpgrade[] { new Upgrade222to224(), new UpgradeSnapshot223to224() });
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_upgradeMap.put("2.2.3", new DbUpgrade[] { new Upgrade222to224(), new UpgradeSnapshot223to224() });
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}
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protected void runScript(File file) {
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try {
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FileReader reader = new FileReader(file);
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Connection conn = Transaction.getStandaloneConnection();
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ScriptRunner runner = new ScriptRunner(conn, false, true);
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runner.runScript(reader);
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} catch (FileNotFoundException e) {
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s_logger.error("Unable to find upgrade script: " + file.getAbsolutePath(), e);
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throw new CloudRuntimeException("Unable to find upgrade script: " + file.getAbsolutePath(), e);
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} catch (IOException e) {
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s_logger.error("Unable to read upgrade script: " + file.getAbsolutePath(), e);
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throw new CloudRuntimeException("Unable to read upgrade script: " + file.getAbsolutePath(), e);
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} catch (SQLException e) {
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s_logger.error("Unable to execute upgrade script: " + file.getAbsolutePath(), e);
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throw new CloudRuntimeException("Unable to execute upgrade script: " + file.getAbsolutePath(), e);
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}
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}
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protected void upgrade(String dbVersion, String currentVersion) {
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s_logger.info("Database upgrade must be performed from " + dbVersion + " to " + currentVersion);
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String trimmedDbVersion = Version.trimToPatch(dbVersion);
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String trimmedCurrentVersion = Version.trimToPatch(currentVersion);
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DbUpgrade[] upgrades = _upgradeMap.get(trimmedDbVersion);
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if (upgrades == null) {
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s_logger.error("There is no upgrade path from " + dbVersion + " to " + currentVersion);
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throw new CloudRuntimeException("There is no upgrade path from " + dbVersion + " to " + currentVersion);
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}
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if (Version.compare(trimmedCurrentVersion, upgrades[upgrades.length - 1].getUpgradedVersion()) != 0) {
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s_logger.error("The end upgrade version is actually at " + upgrades[upgrades.length - 1].getUpgradedVersion() + " but our management server code version is at " + currentVersion);
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throw new CloudRuntimeException("The end upgrade version is actually at " + upgrades[upgrades.length - 1].getUpgradedVersion() + " but our management server code version is at "
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+ currentVersion);
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}
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boolean supportsRollingUpgrade = true;
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for (DbUpgrade upgrade : upgrades) {
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if (!upgrade.supportsRollingUpgrade()) {
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supportsRollingUpgrade = false;
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break;
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}
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}
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if (!supportsRollingUpgrade && ClusterManagerImpl.arePeersRunning(null)) {
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s_logger.error("Unable to run upgrade because the upgrade sequence does not support rolling update and there are other management server nodes running");
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throw new CloudRuntimeException("Unable to run upgrade because the upgrade sequence does not support rolling update and there are other management server nodes running");
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}
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for (DbUpgrade upgrade : upgrades) {
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s_logger.info("Running upgrade " + upgrade.getClass().getSimpleName() + " to upgrade from " + upgrade.getUpgradableVersionRange()[0] + "-" + upgrade.getUpgradableVersionRange()[1]
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+ " to " + upgrade.getUpgradedVersion());
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Transaction txn = Transaction.open("Upgrade");
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txn.start();
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try {
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Connection conn;
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try {
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conn = txn.getConnection();
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} catch (SQLException e) {
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s_logger.error("Unable to upgrade the database", e);
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throw new CloudRuntimeException("Unable to upgrade the database", e);
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}
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File[] scripts = upgrade.getPrepareScripts();
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if (scripts != null) {
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for (File script : scripts) {
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runScript(script);
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}
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}
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upgrade.performDataMigration(conn);
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boolean upgradeVersion = true;
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if (upgrade.getUpgradedVersion().equals("2.1.8")) {
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// we don't have VersionDao in 2.1.x
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upgradeVersion = false;
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} else if (upgrade.getUpgradedVersion().equals("2.2.4")) {
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try {
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// specifically for domain vlan update from 2.1.8 to 2.2.4
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PreparedStatement pstmt = conn.prepareStatement("SELECT * FROM version WHERE version='2.2.4'");
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ResultSet rs = pstmt.executeQuery();
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if (rs.next()) {
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upgradeVersion = false;
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}
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} catch (SQLException e) {
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throw new CloudRuntimeException("Unable to update the version table", e);
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}
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}
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if (upgradeVersion) {
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VersionVO version = new VersionVO(upgrade.getUpgradedVersion());
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_dao.persist(version);
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}
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txn.commit();
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} finally {
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txn.close();
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}
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}
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if (!ClusterManagerImpl.arePeersRunning(trimmedCurrentVersion)) {
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s_logger.info("Cleaning upgrades because all management server are now at the same version");
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TreeMap<String, List<DbUpgrade>> upgradedVersions = new TreeMap<String, List<DbUpgrade>>();
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for (DbUpgrade upgrade : upgrades) {
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String upgradedVerson = upgrade.getUpgradedVersion();
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List<DbUpgrade> upgradeList = upgradedVersions.get(upgradedVerson);
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if (upgradeList == null) {
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upgradeList = new ArrayList<DbUpgrade>();
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}
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upgradeList.add(upgrade);
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upgradedVersions.put(upgradedVerson, upgradeList);
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}
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for (String upgradedVersion : upgradedVersions.keySet()) {
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List<DbUpgrade> versionUpgrades = upgradedVersions.get(upgradedVersion);
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VersionVO version = _dao.findByVersion(upgradedVersion, Step.Upgrade);
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s_logger.debug("Upgrading to version " + upgradedVersion + "...");
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Transaction txn = Transaction.open("Cleanup");
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try {
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if (version != null) {
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for (DbUpgrade upgrade : versionUpgrades) {
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s_logger.info("Cleanup upgrade " + upgrade.getClass().getSimpleName() + " to upgrade from " + upgrade.getUpgradableVersionRange()[0] + "-"
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+ upgrade.getUpgradableVersionRange()[1] + " to " + upgrade.getUpgradedVersion());
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txn.start();
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File[] scripts = upgrade.getCleanupScripts();
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if (scripts != null) {
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for (File script : scripts) {
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runScript(script);
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s_logger.debug("Cleanup script " + script.getAbsolutePath() + " is executed successfully");
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}
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}
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txn.commit();
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}
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txn.start();
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version.setStep(Step.Complete);
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s_logger.debug("Upgrade completed for version " + upgradedVersion);
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version.setUpdated(new Date());
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_dao.update(version.getId(), version);
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txn.commit();
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}
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} finally {
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txn.close();
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}
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}
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}
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}
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@Override
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public void check() {
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GlobalLock lock = GlobalLock.getInternLock("DatabaseUpgrade");
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try {
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s_logger.info("Grabbing lock to check for database integrity.");
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if (!lock.lock(20 * 60)) {
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throw new CloudRuntimeException("Unable to acquire lock to check for database integrity.");
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}
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try {
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String dbVersion = _dao.getCurrentVersion();
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String currentVersion = this.getClass().getPackage().getImplementationVersion();
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if (currentVersion == null) {
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currentVersion = this.getClass().getSuperclass().getPackage().getImplementationVersion();
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}
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s_logger.info("DB version = " + dbVersion + " Code Version = " + currentVersion);
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if (Version.compare(Version.trimToPatch(dbVersion), Version.trimToPatch(currentVersion)) > 0) {
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throw new CloudRuntimeException("Database version " + dbVersion + " is higher than management software version " + currentVersion);
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}
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if (Version.compare(Version.trimToPatch(dbVersion), Version.trimToPatch(currentVersion)) == 0) {
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s_logger.info("DB version and code version matches so no upgrade needed.");
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return;
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}
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upgrade(dbVersion, currentVersion);
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} finally {
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lock.unlock();
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}
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} finally {
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lock.releaseRef();
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}
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}
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}
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