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DatabaseUpgradeChecker.java
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// 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;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.collect.ObjectArrays.concat;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.file.Paths;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import javax.inject.Inject;
import com.cloud.utils.FileUtil;
import org.apache.cloudstack.utils.CloudStackVersion;
import org.apache.cloudstack.utils.identity.ManagementServerNode;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import com.cloud.upgrade.dao.DbUpgrade;
import com.cloud.upgrade.dao.DbUpgradeSystemVmTemplate;
import com.cloud.upgrade.dao.Upgrade217to218;
import com.cloud.upgrade.dao.Upgrade218to22;
import com.cloud.upgrade.dao.Upgrade218to224DomainVlans;
import com.cloud.upgrade.dao.Upgrade2210to2211;
import com.cloud.upgrade.dao.Upgrade2211to2212;
import com.cloud.upgrade.dao.Upgrade2212to2213;
import com.cloud.upgrade.dao.Upgrade2213to2214;
import com.cloud.upgrade.dao.Upgrade2214to30;
import com.cloud.upgrade.dao.Upgrade221to222;
import com.cloud.upgrade.dao.Upgrade222to224;
import com.cloud.upgrade.dao.Upgrade224to225;
import com.cloud.upgrade.dao.Upgrade225to226;
import com.cloud.upgrade.dao.Upgrade227to228;
import com.cloud.upgrade.dao.Upgrade228to229;
import com.cloud.upgrade.dao.Upgrade229to2210;
import com.cloud.upgrade.dao.Upgrade301to302;
import com.cloud.upgrade.dao.Upgrade302to303;
import com.cloud.upgrade.dao.Upgrade302to40;
import com.cloud.upgrade.dao.Upgrade303to304;
import com.cloud.upgrade.dao.Upgrade304to305;
import com.cloud.upgrade.dao.Upgrade305to306;
import com.cloud.upgrade.dao.Upgrade306to307;
import com.cloud.upgrade.dao.Upgrade307to410;
import com.cloud.upgrade.dao.Upgrade30to301;
import com.cloud.upgrade.dao.Upgrade40to41;
import com.cloud.upgrade.dao.Upgrade41000to41100;
import com.cloud.upgrade.dao.Upgrade410to420;
import com.cloud.upgrade.dao.Upgrade41100to41110;
import com.cloud.upgrade.dao.Upgrade41110to41120;
import com.cloud.upgrade.dao.Upgrade41120to41130;
import com.cloud.upgrade.dao.Upgrade41120to41200;
import com.cloud.upgrade.dao.Upgrade41200to41300;
import com.cloud.upgrade.dao.Upgrade41300to41310;
import com.cloud.upgrade.dao.Upgrade41310to41400;
import com.cloud.upgrade.dao.Upgrade41400to41500;
import com.cloud.upgrade.dao.Upgrade41500to41510;
import com.cloud.upgrade.dao.Upgrade41510to41520;
import com.cloud.upgrade.dao.Upgrade41520to41600;
import com.cloud.upgrade.dao.Upgrade41600to41610;
import com.cloud.upgrade.dao.Upgrade41610to41700;
import com.cloud.upgrade.dao.Upgrade41700to41710;
import com.cloud.upgrade.dao.Upgrade41710to41720;
import com.cloud.upgrade.dao.Upgrade41720to41800;
import com.cloud.upgrade.dao.Upgrade41800to41810;
import com.cloud.upgrade.dao.Upgrade41810to41900;
import com.cloud.upgrade.dao.Upgrade41900to41910;
import com.cloud.upgrade.dao.Upgrade41910to42000;
import com.cloud.upgrade.dao.Upgrade42000to42010;
import com.cloud.upgrade.dao.Upgrade42010to42100;
import com.cloud.upgrade.dao.Upgrade420to421;
import com.cloud.upgrade.dao.Upgrade421to430;
import com.cloud.upgrade.dao.Upgrade430to440;
import com.cloud.upgrade.dao.Upgrade431to440;
import com.cloud.upgrade.dao.Upgrade432to440;
import com.cloud.upgrade.dao.Upgrade440to441;
import com.cloud.upgrade.dao.Upgrade441to442;
import com.cloud.upgrade.dao.Upgrade442to450;
import com.cloud.upgrade.dao.Upgrade443to444;
import com.cloud.upgrade.dao.Upgrade444to450;
import com.cloud.upgrade.dao.Upgrade450to451;
import com.cloud.upgrade.dao.Upgrade451to452;
import com.cloud.upgrade.dao.Upgrade452to453;
import com.cloud.upgrade.dao.Upgrade453to460;
import com.cloud.upgrade.dao.Upgrade460to461;
import com.cloud.upgrade.dao.Upgrade461to470;
import com.cloud.upgrade.dao.Upgrade470to471;
import com.cloud.upgrade.dao.Upgrade471to480;
import com.cloud.upgrade.dao.Upgrade480to481;
import com.cloud.upgrade.dao.Upgrade481to490;
import com.cloud.upgrade.dao.Upgrade490to4910;
import com.cloud.upgrade.dao.Upgrade4910to4920;
import com.cloud.upgrade.dao.Upgrade4920to4930;
import com.cloud.upgrade.dao.Upgrade4930to41000;
import com.cloud.upgrade.dao.UpgradeSnapshot217to224;
import com.cloud.upgrade.dao.UpgradeSnapshot223to224;
import com.cloud.upgrade.dao.VersionDao;
import com.cloud.upgrade.dao.VersionDaoImpl;
import com.cloud.upgrade.dao.VersionVO;
import com.cloud.upgrade.dao.VersionVO.Step;
import com.cloud.utils.component.SystemIntegrityChecker;
import com.cloud.utils.crypt.DBEncryptionUtil;
import com.cloud.utils.db.GlobalLock;
import com.cloud.utils.db.ScriptRunner;
import com.cloud.utils.db.TransactionLegacy;
import com.cloud.utils.exception.CloudRuntimeException;
import com.google.common.annotations.VisibleForTesting;
public class DatabaseUpgradeChecker implements SystemIntegrityChecker {
protected static Logger LOGGER = LogManager.getLogger(DatabaseUpgradeChecker.class);
private final DatabaseVersionHierarchy hierarchy;
private static final String VIEWS_DIRECTORY = Paths.get("META-INF", "db", "views").toString();
private static final String PROCEDURES_DIRECTORY = Paths.get("META-INF", "db", "procedures").toString();
@Inject
VersionDao _dao;
public DatabaseUpgradeChecker() {
_dao = new VersionDaoImpl();
hierarchy = DatabaseVersionHierarchy.builder()
// legacy
.next("2.1.7" , new Upgrade217to218())
.next("2.1.7.1" , new UpgradeSnapshot217to224())
.next("2.1.8" , new Upgrade218to22())
.next("2.1.8.1" , new Upgrade218to224DomainVlans())
.next("2.1.9" , new Upgrade218to22())
.next("2.2.1" , new Upgrade221to222())
.next("2.2.2" , new Upgrade222to224())
.next("2.2.3" , new Upgrade222to224())
.next("2.2.3.1" , new UpgradeSnapshot223to224())
.next("2.2.4" , new Upgrade224to225())
.next("2.2.5" , new Upgrade225to226())
.next("2.2.6" , new Upgrade227to228())
.next("2.2.7" , new Upgrade227to228())
.next("2.2.8" , new Upgrade228to229())
.next("2.2.9" , new Upgrade229to2210())
.next("2.2.10" , new Upgrade2210to2211())
.next("2.2.11" , new Upgrade2211to2212())
.next("2.2.12" , new Upgrade2212to2213())
.next("2.2.13" , new Upgrade2213to2214())
.next("2.2.14" , new Upgrade2214to30())
.next("2.2.15" , new Upgrade2214to30())
.next("2.2.16" , new Upgrade2214to30())
.next("3.0.0" , new Upgrade30to301())
.next("3.0.1" , new Upgrade301to302())
.next("3.0.2" , new Upgrade302to303())
.next("3.0.2.1" , new Upgrade302to40())
.next("3.0.3" , new Upgrade303to304())
.next("3.0.4" , new Upgrade304to305())
.next("3.0.5" , new Upgrade305to306())
.next("3.0.6" , new Upgrade306to307())
.next("3.0.7" , new Upgrade307to410())
// recent
.next("4.0.0" , new Upgrade40to41())
.next("4.0.1" , new Upgrade40to41())
.next("4.0.2" , new Upgrade40to41())
.next("4.1.0" , new Upgrade410to420())
.next("4.1.1" , new Upgrade410to420())
.next("4.2.0" , new Upgrade420to421())
.next("4.2.1" , new Upgrade421to430())
.next("4.3.0" , new Upgrade430to440())
.next("4.3.1" , new Upgrade431to440())
.next("4.3.2" , new Upgrade432to440())
.next("4.4.0" , new Upgrade440to441())
.next("4.4.1" , new Upgrade441to442())
.next("4.4.2" , new Upgrade442to450())
.next("4.4.3" , new Upgrade443to444())
.next("4.4.4" , new Upgrade444to450())
.next("4.5.0" , new Upgrade450to451())
.next("4.5.1" , new Upgrade451to452())
.next("4.5.2" , new Upgrade452to453())
.next("4.5.3" , new Upgrade453to460())
.next("4.6.0" , new Upgrade460to461())
.next("4.6.1" , new Upgrade461to470())
.next("4.6.2" , new Upgrade461to470())
.next("4.7.0" , new Upgrade470to471())
.next("4.7.1" , new Upgrade471to480())
.next("4.7.2" , new Upgrade471to480())
.next("4.8.0" , new Upgrade480to481())
.next("4.8.1" , new Upgrade481to490())
.next("4.8.2.0" , new Upgrade481to490())
.next("4.9.0" , new Upgrade490to4910())
.next("4.9.1.0" , new Upgrade4910to4920())
.next("4.9.2.0" , new Upgrade4920to4930())
.next("4.9.3.0" , new Upgrade4930to41000())
.next("4.9.3.1" , new Upgrade4930to41000())
.next("4.10.0.0", new Upgrade41000to41100())
.next("4.11.0.0", new Upgrade41100to41110())
.next("4.11.1.0", new Upgrade41110to41120())
.next("4.11.2.0", new Upgrade41120to41130())
.next("4.11.3.0", new Upgrade41120to41200())
.next("4.12.0.0", new Upgrade41200to41300())
.next("4.13.0.0", new Upgrade41300to41310())
.next("4.13.1.0", new Upgrade41310to41400())
.next("4.14.0.0", new Upgrade41400to41500())
.next("4.14.1.0", new Upgrade41400to41500())
.next("4.15.0.0", new Upgrade41500to41510())
.next("4.15.1.0", new Upgrade41510to41520())
.next("4.15.2.0", new Upgrade41520to41600())
.next("4.16.0.0", new Upgrade41600to41610())
.next("4.16.1.0", new Upgrade41610to41700())
.next("4.16.1.1", new Upgrade41610to41700())
.next("4.17.0.0", new Upgrade41700to41710())
.next("4.17.0.1", new Upgrade41700to41710())
.next("4.17.1.0", new Upgrade41710to41720())
.next("4.17.2.0", new Upgrade41720to41800())
.next("4.18.0.0", new Upgrade41800to41810())
.next("4.18.1.0", new Upgrade41810to41900())
.next("4.19.0.0", new Upgrade41900to41910())
.next("4.19.1.0", new Upgrade41910to42000())
.next("4.20.0.0", new Upgrade42000to42010())
.next("4.20.1.0", new Upgrade42010to42100())
.build();
}
protected void runScript(Connection conn, InputStream file) {
try (InputStreamReader reader = new InputStreamReader(file)) {
ScriptRunner runner = new ScriptRunner(conn, false, true);
runner.runScript(reader);
} catch (IOException e) {
LOGGER.error("Unable to read upgrade script", e);
throw new CloudRuntimeException("Unable to read upgrade script", e);
} catch (SQLException e) {
LOGGER.error("Unable to execute upgrade script", e);
throw new CloudRuntimeException("Unable to execute upgrade script", e);
}
}
@VisibleForTesting
DbUpgrade[] calculateUpgradePath(final CloudStackVersion dbVersion, final CloudStackVersion currentVersion) {
checkArgument(dbVersion != null);
checkArgument(currentVersion != null);
checkArgument(currentVersion.compareTo(dbVersion) > 0);
final DbUpgrade[] upgrades = hierarchy.getPath(dbVersion, currentVersion);
// When there is no upgrade defined for the target version, we assume that there were no schema changes or
// data migrations required. Based on that assumption, we add a noop DbUpgrade to the end of the list ...
final CloudStackVersion tailVersion = upgrades.length > 0 ? CloudStackVersion.parse(upgrades[upgrades.length - 1].getUpgradedVersion()) : dbVersion;
if (currentVersion.compareTo(tailVersion) != 0) {
return concat(upgrades, new NoopDbUpgrade(tailVersion, currentVersion));
}
return upgrades;
}
private void updateSystemVmTemplates(DbUpgrade[] upgrades) {
for (int i = upgrades.length - 1; i >= 0; i--) {
DbUpgrade upgrade = upgrades[i];
if (upgrade instanceof DbUpgradeSystemVmTemplate) {
TransactionLegacy txn = TransactionLegacy.open("Upgrade");
txn.start();
try {
Connection conn;
try {
conn = txn.getConnection();
} catch (SQLException e) {
String errorMessage = "Unable to upgrade the database";
LOGGER.error(errorMessage, e);
throw new CloudRuntimeException(errorMessage, e);
}
((DbUpgradeSystemVmTemplate)upgrade).updateSystemVmTemplates(conn);
txn.commit();
break;
} catch (CloudRuntimeException e) {
String errorMessage = "Unable to upgrade the database";
LOGGER.error(errorMessage, e);
throw new CloudRuntimeException(errorMessage, e);
} finally {
txn.close();
}
}
}
}
protected void upgrade(CloudStackVersion dbVersion, CloudStackVersion currentVersion) {
executeProcedureScripts();
final DbUpgrade[] upgrades = executeUpgrades(dbVersion, currentVersion);
executeViewScripts();
updateSystemVmTemplates(upgrades);
}
protected void executeProcedureScripts() {
LOGGER.info(String.format("Executing Stored Procedure scripts that are under resource directory [%s].", PROCEDURES_DIRECTORY));
List<String> filesPathUnderViewsDirectory = FileUtil.getFilesPathsUnderResourceDirectory(PROCEDURES_DIRECTORY);
try (TransactionLegacy txn = TransactionLegacy.open("execute-procedure-scripts")) {
Connection conn = txn.getConnection();
for (String filePath : filesPathUnderViewsDirectory) {
LOGGER.debug(String.format("Executing PROCEDURE script [%s].", filePath));
InputStream viewScript = Thread.currentThread().getContextClassLoader().getResourceAsStream(filePath);
runScript(conn, viewScript);
}
LOGGER.info(String.format("Finished execution of PROCEDURE scripts that are under resource directory [%s].", PROCEDURES_DIRECTORY));
} catch (SQLException e) {
String message = String.format("Unable to execute PROCEDURE scripts due to [%s].", e.getMessage());
LOGGER.error(message, e);
throw new CloudRuntimeException(message, e);
}
}
private DbUpgrade[] executeUpgrades(CloudStackVersion dbVersion, CloudStackVersion currentVersion) {
LOGGER.info("Database upgrade must be performed from " + dbVersion + " to " + currentVersion);
final DbUpgrade[] upgrades = calculateUpgradePath(dbVersion, currentVersion);
for (DbUpgrade upgrade : upgrades) {
VersionVO version = executeUpgrade(upgrade);
executeUpgradeCleanup(upgrade, version);
}
return upgrades;
}
private VersionVO executeUpgrade(DbUpgrade upgrade) {
VersionVO version;
LOGGER.debug("Running upgrade " + upgrade.getClass().getSimpleName() + " to upgrade from " + upgrade.getUpgradableVersionRange()[0] + "-" + upgrade
.getUpgradableVersionRange()[1] + " to " + upgrade.getUpgradedVersion());
TransactionLegacy txn = TransactionLegacy.open("Upgrade");
txn.start();
try {
Connection conn;
try {
conn = txn.getConnection();
} catch (SQLException e) {
String errorMessage = "Unable to upgrade the database";
LOGGER.error(errorMessage, e);
throw new CloudRuntimeException(errorMessage, e);
}
InputStream[] scripts = upgrade.getPrepareScripts();
if (scripts != null) {
for (InputStream script : scripts) {
runScript(conn, script);
}
}
upgrade.performDataMigration(conn);
version = new VersionVO(upgrade.getUpgradedVersion());
version = _dao.persist(version);
txn.commit();
} catch (CloudRuntimeException e) {
String errorMessage = "Unable to upgrade the database";
LOGGER.error(errorMessage, e);
throw new CloudRuntimeException(errorMessage, e);
} finally {
txn.close();
}
return version;
}
private void executeUpgradeCleanup(DbUpgrade upgrade, VersionVO version) {
TransactionLegacy txn;
// Run the corresponding '-cleanup.sql' script
txn = TransactionLegacy.open("Cleanup");
try {
LOGGER.info("Cleanup upgrade " + upgrade.getClass().getSimpleName() + " to upgrade from " + upgrade.getUpgradableVersionRange()[0] + "-" + upgrade
.getUpgradableVersionRange()[1] + " to " + upgrade.getUpgradedVersion());
txn.start();
Connection conn;
try {
conn = txn.getConnection();
} catch (SQLException e) {
LOGGER.error("Unable to cleanup the database", e);
throw new CloudRuntimeException("Unable to cleanup the database", e);
}
InputStream[] scripts = upgrade.getCleanupScripts();
if (scripts != null) {
for (InputStream script : scripts) {
runScript(conn, script);
LOGGER.debug("Cleanup script " + upgrade.getClass().getSimpleName() + " is executed successfully");
}
}
txn.commit();
txn.start();
version.setStep(Step.Complete);
version.setUpdated(new Date());
_dao.update(version.getId(), version);
txn.commit();
LOGGER.debug("Upgrade completed for version " + version.getVersion());
} finally {
txn.close();
}
}
protected void executeViewScripts() {
LOGGER.info(String.format("Executing VIEW scripts that are under resource directory [%s].", VIEWS_DIRECTORY));
List<String> filesPathUnderViewsDirectory = FileUtil.getFilesPathsUnderResourceDirectory(VIEWS_DIRECTORY);
try (TransactionLegacy txn = TransactionLegacy.open("execute-view-scripts")) {
Connection conn = txn.getConnection();
for (String filePath : filesPathUnderViewsDirectory) {
LOGGER.debug(String.format("Executing VIEW script [%s].", filePath));
InputStream viewScript = Thread.currentThread().getContextClassLoader().getResourceAsStream(filePath);
runScript(conn, viewScript);
}
LOGGER.info(String.format("Finished execution of VIEW scripts that are under resource directory [%s].", VIEWS_DIRECTORY));
} catch (SQLException e) {
String message = String.format("Unable to execute VIEW scripts due to [%s].", e.getMessage());
LOGGER.error(message, e);
throw new CloudRuntimeException(message, e);
}
}
@Override
public void check() {
initDistributedLock();
GlobalLock lock = GlobalLock.getInternLock("DatabaseUpgrade");
try {
LOGGER.info("Grabbing lock to check for database upgrade.");
if (!lock.lock(20 * 60)) {
throw new CloudRuntimeException("Unable to acquire lock to check for database integrity.");
}
try {
initializeDatabaseEncryptors();
final CloudStackVersion dbVersion = CloudStackVersion.parse(_dao.getCurrentVersion());
final String currentVersionValue = this.getClass().getPackage().getImplementationVersion();
if (StringUtils.isBlank(currentVersionValue)) {
return;
}
String csVersion = SystemVmTemplateRegistration.parseMetadataFile();
final CloudStackVersion sysVmVersion = CloudStackVersion.parse(csVersion);
final CloudStackVersion currentVersion = CloudStackVersion.parse(currentVersionValue);
SystemVmTemplateRegistration.CS_MAJOR_VERSION = String.valueOf(sysVmVersion.getMajorRelease()) + "." + String.valueOf(sysVmVersion.getMinorRelease());
SystemVmTemplateRegistration.CS_TINY_VERSION = String.valueOf(sysVmVersion.getPatchRelease());
LOGGER.info("DB version = " + dbVersion + " Code Version = " + currentVersion);
if (dbVersion.compareTo(currentVersion) > 0) {
throw new CloudRuntimeException("Database version " + dbVersion + " is higher than management software version " + currentVersionValue);
}
if (dbVersion.compareTo(currentVersion) == 0) {
LOGGER.info("DB version and code version matches so no upgrade needed.");
return;
}
upgrade(dbVersion, currentVersion);
} finally {
lock.unlock();
}
} finally {
lock.releaseRef();
}
}
private void initDistributedLock() {
LOGGER.info("Setting up distributed lock table if not created.");
TransactionLegacy txn = TransactionLegacy.open("initDistributedLock");
txn.start();
String errorMessage = "Unable to get the database connections";
try {
Connection conn = txn.getConnection();
errorMessage = "Unable to create distributed_lock table in the 'cloud' database ";
String sql = "CREATE TABLE IF NOT EXISTS `cloud`.`distributed_lock` (" +
" `name` varchar(1024) NOT NULL," +
" `thread` varchar(1024) NOT NULL," +
" `ms_id` bigint NOT NULL, `pid` int NOT NULL," +
" `created` datetime DEFAULT NULL," +
" PRIMARY KEY (`name`)," +
" UNIQUE KEY `name` (`name`)" +
") ENGINE=InnoDB DEFAULT CHARSET=utf8";
try (PreparedStatement pstmt = conn.prepareStatement(sql)) {
pstmt.execute();
}
try (PreparedStatement pstmt = conn.prepareStatement("DELETE FROM cloud.distributed_lock WHERE ms_id=?")) {
pstmt.setLong(1, ManagementServerNode.getManagementServerId());
pstmt.execute();
}
txn.commit();
} catch (CloudRuntimeException | SQLException e) {
LOGGER.error(e.getMessage());
errorMessage = String.format("%s due to %s.", errorMessage, e.getMessage());
throw new CloudRuntimeException(errorMessage, e);
} finally {
txn.close();
}
}
private void initializeDatabaseEncryptors() {
TransactionLegacy txn = TransactionLegacy.open("initializeDatabaseEncryptors");
txn.start();
String errorMessage = "Unable to get the database connections";
try {
Connection conn = txn.getConnection();
errorMessage = "Unable to get the 'init' value from 'configuration' table in the 'cloud' database";
decryptInit(conn);
txn.commit();
} catch (CloudRuntimeException e) {
LOGGER.error(e.getMessage());
errorMessage = String.format("Unable to initialize the database encryptors due to %s. " +
"Please check if database encryption key and database encryptor version are correct.", errorMessage);
LOGGER.error(errorMessage);
throw new CloudRuntimeException(errorMessage, e);
} catch (SQLException e) {
LOGGER.error(errorMessage, e);
throw new CloudRuntimeException(errorMessage, e);
} finally {
txn.close();
}
}
private void decryptInit(Connection conn) throws SQLException {
String sql = "SELECT value from configuration WHERE name = 'init'";
try (PreparedStatement pstmt = conn.prepareStatement(sql);
ResultSet result = pstmt.executeQuery()) {
if (result.next()) {
String init = result.getString(1);
LOGGER.info("init = " + DBEncryptionUtil.decrypt(init));
}
}
}
@VisibleForTesting
protected static final class NoopDbUpgrade implements DbUpgrade, DbUpgradeSystemVmTemplate {
private final String upgradedVersion;
private final String[] upgradeRange;
private SystemVmTemplateRegistration systemVmTemplateRegistration;
private NoopDbUpgrade(final CloudStackVersion fromVersion, final CloudStackVersion toVersion) {
super();
upgradedVersion = toVersion.toString();
upgradeRange = new String[] {fromVersion.toString(), toVersion.toString()};
}
@Override
public String[] getUpgradableVersionRange() {
return Arrays.copyOf(upgradeRange, upgradeRange.length);
}
@Override
public String getUpgradedVersion() {
return upgradedVersion;
}
@Override
public boolean supportsRollingUpgrade() {
return false;
}
@Override
public InputStream[] getPrepareScripts() {
return new InputStream[0];
}
@Override
public void performDataMigration(Connection conn) {
}
@Override
public InputStream[] getCleanupScripts() {
return new InputStream[0];
}
private void initSystemVmTemplateRegistration() {
systemVmTemplateRegistration = new SystemVmTemplateRegistration("");
}
@Override
public void updateSystemVmTemplates(Connection conn) {
LOGGER.debug("Updating System Vm template IDs");
initSystemVmTemplateRegistration();
try {
systemVmTemplateRegistration.updateSystemVmTemplates(conn);
} catch (Exception e) {
throw new CloudRuntimeException("Failed to find / register SystemVM template(s)");
}
}
}
public CloudStackVersion getLatestVersion() {
return hierarchy.getLatestVersion();
}
}