aloyszhang commented on code in PR #10004: URL: https://github.com/apache/inlong/pull/10004#discussion_r1569965551
########## inlong-audit/audit-service/src/main/java/org/apache/inlong/audit/service/ConfigService.java: ########## @@ -0,0 +1,228 @@ +/* + * 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 org.apache.inlong.audit.service; + +import org.apache.inlong.audit.config.Configuration; +import org.apache.inlong.audit.entities.JdbcConfig; +import org.apache.inlong.audit.utils.JdbcUtils; + +import com.zaxxer.hikari.HikariConfig; +import com.zaxxer.hikari.HikariDataSource; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import javax.sql.DataSource; + +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.concurrent.ConcurrentHashMap; +import java.util.concurrent.CopyOnWriteArrayList; +import java.util.concurrent.Executors; +import java.util.concurrent.ScheduledExecutorService; +import java.util.concurrent.TimeUnit; + +import static org.apache.inlong.audit.config.ConfigConstants.CACHE_PREP_STMTS; +import static org.apache.inlong.audit.config.ConfigConstants.DEFAULT_CACHE_PREP_STMTS; +import static org.apache.inlong.audit.config.ConfigConstants.DEFAULT_CONNECTION_TIMEOUT; +import static org.apache.inlong.audit.config.ConfigConstants.DEFAULT_DATASOURCE_POOL_SIZE; +import static org.apache.inlong.audit.config.ConfigConstants.DEFAULT_PREP_STMT_CACHE_SIZE; +import static org.apache.inlong.audit.config.ConfigConstants.DEFAULT_PREP_STMT_CACHE_SQL_LIMIT; +import static org.apache.inlong.audit.config.ConfigConstants.DEFAULT_UPDATE_CONFIG_INTERVAL_SECONDS; +import static org.apache.inlong.audit.config.ConfigConstants.KEY_CACHE_PREP_STMTS; +import static org.apache.inlong.audit.config.ConfigConstants.KEY_DATASOURCE_CONNECTION_TIMEOUT; +import static org.apache.inlong.audit.config.ConfigConstants.KEY_DATASOURCE_POOL_SIZE; +import static org.apache.inlong.audit.config.ConfigConstants.KEY_PREP_STMT_CACHE_SIZE; +import static org.apache.inlong.audit.config.ConfigConstants.KEY_PREP_STMT_CACHE_SQL_LIMIT; +import static org.apache.inlong.audit.config.ConfigConstants.KEY_UPDATE_CONFIG_INTERVAL_SECONDS; +import static org.apache.inlong.audit.config.ConfigConstants.PREP_STMT_CACHE_SIZE; +import static org.apache.inlong.audit.config.ConfigConstants.PREP_STMT_CACHE_SQL_LIMIT; +import static org.apache.inlong.audit.config.SqlConstants.DEFAULT_MYSQL_QUERY_AUDIT_ID_SQL; +import static org.apache.inlong.audit.config.SqlConstants.DEFAULT_MYSQL_QUERY_AUDIT_SOURCE_SQL; +import static org.apache.inlong.audit.config.SqlConstants.KEY_MYSQL_QUERY_AUDIT_ID_SQL; +import static org.apache.inlong.audit.config.SqlConstants.KEY_MYSQL_QUERY_AUDIT_SOURCE_SQL; + +/** + * ConfigService periodically pull the configuration of audit id and audit source from DB. + */ +public class ConfigService { + + private static final Logger LOGGER = LoggerFactory.getLogger(ConfigService.class); + + private static volatile ConfigService configService = null; + private CopyOnWriteArrayList<String> auditIds = new CopyOnWriteArrayList<>(); + protected final ScheduledExecutorService updateTimer = Executors.newSingleThreadScheduledExecutor(); + private DataSource dataSource; + private ConcurrentHashMap<String, List<JdbcConfig>> auditSources = new ConcurrentHashMap<>(); + private final String queryAuditIdSql; + private final String queryAuditSourceSql; + + public static ConfigService getInstance() { + if (configService == null) { + synchronized (ConfigService.class) { + if (configService == null) { + configService = new ConfigService(); + } + } + } + return configService; + } + + private ConfigService() { + queryAuditIdSql = Configuration.getInstance().get(KEY_MYSQL_QUERY_AUDIT_ID_SQL, + DEFAULT_MYSQL_QUERY_AUDIT_ID_SQL); + queryAuditSourceSql = Configuration.getInstance().get(KEY_MYSQL_QUERY_AUDIT_SOURCE_SQL, + DEFAULT_MYSQL_QUERY_AUDIT_SOURCE_SQL); + } + + public void start() { + createDataSource(); + updateTimer.scheduleWithFixedDelay(new Runnable() { + + @Override + public void run() { + updateAuditIds(); + updateAuditSource(); + } + }, 0, + Configuration.getInstance().get(KEY_UPDATE_CONFIG_INTERVAL_SECONDS, + DEFAULT_UPDATE_CONFIG_INTERVAL_SECONDS), + TimeUnit.SECONDS); + } + + /** + * Create data source. + */ + private void createDataSource() { + JdbcConfig jdbcConfig = JdbcUtils.buildMysqlConfig(); + HikariConfig config = new HikariConfig(); + config.setDriverClassName(jdbcConfig.getDriverClass()); + config.setJdbcUrl(jdbcConfig.getJdbcUrl()); + config.setUsername(jdbcConfig.getUserName()); + config.setPassword(jdbcConfig.getPassword()); + config.setConnectionTimeout(Configuration.getInstance().get(KEY_DATASOURCE_CONNECTION_TIMEOUT, + DEFAULT_CONNECTION_TIMEOUT)); + config.addDataSourceProperty(CACHE_PREP_STMTS, + Configuration.getInstance().get(KEY_CACHE_PREP_STMTS, DEFAULT_CACHE_PREP_STMTS)); + config.addDataSourceProperty(PREP_STMT_CACHE_SIZE, + Configuration.getInstance().get(KEY_PREP_STMT_CACHE_SIZE, DEFAULT_PREP_STMT_CACHE_SIZE)); + config.addDataSourceProperty(PREP_STMT_CACHE_SQL_LIMIT, + Configuration.getInstance().get(KEY_PREP_STMT_CACHE_SQL_LIMIT, DEFAULT_PREP_STMT_CACHE_SQL_LIMIT)); + config.setMaximumPoolSize( + Configuration.getInstance().get(KEY_DATASOURCE_POOL_SIZE, + DEFAULT_DATASOURCE_POOL_SIZE)); + dataSource = new HikariDataSource(config); + } + + /** + * Update audit ids. + */ + private void updateAuditIds() { + try (Connection connection = dataSource.getConnection(); + PreparedStatement pstat = connection.prepareStatement(queryAuditIdSql)) { + if (connection.isClosed()) { + createDataSource(); + } + + try (ResultSet resultSet = pstat.executeQuery()) { + CopyOnWriteArrayList<String> auditIdList = new CopyOnWriteArrayList<>(); + while (resultSet.next()) { + String auditId = resultSet.getString(1); + LOGGER.info("Update audit id {}", auditId); + auditIdList.add(auditId); + } + if (!auditIdList.isEmpty()) { + auditIds = auditIdList; + } + } catch (SQLException sqlException) { + LOGGER.error("Query has SQL exception! ", sqlException); + } + + } catch (Exception exception) { + LOGGER.error("Query has exception! ", exception); + } + } + + /** + * Update audit source. + */ + private void updateAuditSource() { + try (Connection connection = dataSource.getConnection(); + PreparedStatement pstat = connection.prepareStatement(queryAuditSourceSql)) { + if (connection.isClosed()) { + createDataSource(); + } + try (ResultSet resultSet = pstat.executeQuery()) { + ConcurrentHashMap<String, List<JdbcConfig>> auditSource = new ConcurrentHashMap<>(); Review Comment: A HashMap is enough -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@inlong.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
