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/*
* SonarQube
* Copyright (C) 2009-2017 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.server.platform;
import com.google.common.collect.ImmutableMap;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Locale;
import java.util.Map;
import java.util.Optional;
import org.sonar.api.server.ServerSide;
import org.sonar.api.utils.log.Loggers;
import org.sonar.db.DbClient;
import org.sonar.db.DbSession;
import org.sonar.db.dialect.Oracle;
import org.sonar.db.version.SqTables;
import org.sonar.server.component.index.ComponentIndexDefinition;
import org.sonar.server.es.BulkIndexer;
import org.sonar.server.es.EsClient;
import org.sonar.server.es.IndexType;
import org.sonar.server.issue.index.IssueIndexDefinition;
import org.sonar.server.measure.index.ProjectMeasuresIndexDefinition;
import org.sonar.server.property.InternalProperties;
import org.sonar.server.view.index.ViewIndexDefinition;
import static org.elasticsearch.index.query.QueryBuilders.matchAllQuery;
@ServerSide
public class BackendCleanup {
private static final String[] ANALYSIS_TABLES = {
"ce_activity", "ce_queue", "ce_task_input", "ce_scanner_context",
"duplications_index", "events", "issues", "issue_changes", "manual_measures",
"notifications", "project_links", "project_measures", "projects",
"snapshots", "file_sources", "webhook_deliveries"
};
private static final String[] RESOURCE_RELATED_TABLES = {
"group_roles", "user_roles", "properties"
};
private static final Map TABLE_CLEANERS = ImmutableMap.of(
"organizations", BackendCleanup::truncateOrganizations,
"users", BackendCleanup::truncateUsers,
"groups", BackendCleanup::truncateGroups,
"internal_properties", BackendCleanup::truncateInternalProperties,
"schema_migrations", BackendCleanup::truncateSchemaMigrations);
private final EsClient esClient;
private final DbClient dbClient;
public BackendCleanup(EsClient esClient, DbClient dbClient) {
this.esClient = esClient;
this.dbClient = dbClient;
}
public void clearAll() {
clearDb();
clearIndexes();
}
public void clearDb() {
try (DbSession dbSession = dbClient.openSession(false);
Connection connection = dbSession.getConnection();
Statement ddlStatement = connection.createStatement()) {
for (String tableName : SqTables.TABLES) {
Optional.ofNullable(TABLE_CLEANERS.get(tableName))
.orElse(BackendCleanup::truncateDefault)
.clean(tableName, ddlStatement, connection);
}
} catch (Exception e) {
throw new IllegalStateException("Fail to clear db", e);
}
}
public void clearIndexes() {
Loggers.get(getClass()).info("Truncate Elasticsearch indices");
try {
esClient.prepareClearCache().get();
for (String index : esClient.prepareState().get().getState().getMetaData().getConcreteAllIndices()) {
clearIndex(new IndexType(index, index));
}
} catch (Exception e) {
throw new IllegalStateException("Unable to clear indexes", e);
}
}
/**
* Reset data in order to to be in same state as a fresh installation (but without having to drop db and restart the server).
*
* Please be careful when updating this method as it's called by Orchestrator.
*/
public void resetData() {
try (DbSession dbSession = dbClient.openSession(false);
Connection connection = dbSession.getConnection()) {
truncateAnalysisTables(connection);
deleteManualRules(connection);
truncateInternalProperties(null, null, connection);
truncateUsers(null, null, connection);
truncateOrganizations(null, null, connection);
} catch (SQLException e) {
throw new IllegalStateException("Fail to reset data", e);
}
clearIndex(IssueIndexDefinition.INDEX_TYPE_ISSUE);
clearIndex(ViewIndexDefinition.INDEX_TYPE_VIEW);
clearIndex(ProjectMeasuresIndexDefinition.INDEX_TYPE_PROJECT_MEASURES);
clearIndex(ComponentIndexDefinition.INDEX_TYPE_COMPONENT);
}
private void truncateAnalysisTables(Connection connection) throws SQLException {
try (Statement statement = connection.createStatement()) {
// Clear inspection tables
for (String table : ANALYSIS_TABLES) {
statement.execute(createTruncateSql(table.toLowerCase(Locale.ENGLISH)));
// commit is useless on some databases
connection.commit();
}
// Clear resource related tables
for (String table : RESOURCE_RELATED_TABLES) {
statement.execute("DELETE FROM " + table + " WHERE resource_id IS NOT NULL");
connection.commit();
}
}
}
private String createTruncateSql(String table) {
if (dbClient.getDatabase().getDialect().getId().equals(Oracle.ID)) {
// truncate operation is needs to lock the table on Oracle. Unfortunately
// it fails sometimes in our QA environment because table is locked.
// We never found the root cause (no locks found when displaying them just after
// receiving the error).
// Workaround is to use "delete" operation. It does not require lock on table.
return "DELETE FROM " + table;
}
return "TRUNCATE TABLE " + table;
}
private static void deleteManualRules(Connection connection) throws SQLException {
try (PreparedStatement statement = connection.prepareStatement("DELETE FROM rules WHERE rules.plugin_name='manual'")) {
statement.execute();
// commit is useless on some databases
connection.commit();
}
}
/**
* Completely remove a index with all types
*/
public void clearIndex(IndexType indexType) {
BulkIndexer.delete(esClient, indexType, esClient.prepareSearch(indexType.getIndex()).setQuery(matchAllQuery()));
}
@FunctionalInterface
private interface TableCleaner {
void clean(String tableName, Statement ddlStatement, Connection connection) throws SQLException;
}
private static void truncateDefault(String tableName, Statement ddlStatement, Connection connection) throws SQLException {
ddlStatement.execute("TRUNCATE TABLE " + tableName.toLowerCase(Locale.ENGLISH));
// commit is useless on some databases
connection.commit();
}
/**
* Default organization must never be deleted
*/
private static void truncateOrganizations(String tableName, Statement ddlStatement, Connection connection) throws SQLException {
try (PreparedStatement preparedStatement = connection.prepareStatement("delete from organizations where kee <> ?")) {
preparedStatement.setString(1, "default-organization");
preparedStatement.execute();
// commit is useless on some databases
connection.commit();
}
}
/**
* User admin must never be deleted.
*/
private static void truncateUsers(String tableName, Statement ddlStatement, Connection connection) throws SQLException {
try (PreparedStatement preparedStatement = connection.prepareStatement("delete from users where login <> ?")) {
preparedStatement.setString(1, "admin");
preparedStatement.execute();
// commit is useless on some databases
connection.commit();
}
// "admin" is not flagged as root by default
try (PreparedStatement preparedStatement = connection.prepareStatement("update users set is_root=?")) {
preparedStatement.setBoolean(1, false);
preparedStatement.execute();
// commit is useless on some databases
connection.commit();
}
}
/**
* Groups sonar-users is referenced by the default organization as its default group.
*/
private static void truncateGroups(String tableName, Statement ddlStatement, Connection connection) throws SQLException {
try (PreparedStatement preparedStatement = connection.prepareStatement("delete from groups where name <> ?")) {
preparedStatement.setString(1, "sonar-users");
preparedStatement.execute();
// commit is useless on some databases
connection.commit();
}
}
/**
* Internal property {@link InternalProperties#DEFAULT_ORGANIZATION} must never be deleted.
*/
private static void truncateInternalProperties(String tableName, Statement ddlStatement, Connection connection) throws SQLException {
try (PreparedStatement preparedStatement = connection.prepareStatement("delete from internal_properties where kee not in (?,?)")) {
preparedStatement.setString(1, InternalProperties.DEFAULT_ORGANIZATION);
preparedStatement.setString(2, InternalProperties.SERVER_ID_CHECKSUM);
preparedStatement.execute();
// commit is useless on some databases
connection.commit();
}
}
/**
* Data in SCHEMA_MIGRATIONS table is inserted when DB is created and should not be altered afterwards.
*/
private static void truncateSchemaMigrations(String tableName, Statement ddlStatement, Connection connection) {
// do nothing
}
}
