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[mysql] add custom jdbc properties to debezium mysql connection (#674)
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115 changes: 115 additions & 0 deletions
115
...m/ververica/cdc/connectors/mysql/source/connection/MySqlConnectionWithJdbcProperties.java
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| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package com.ververica.cdc.connectors.mysql.source.connection; | ||
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| import io.debezium.config.Configuration; | ||
| import io.debezium.connector.mysql.MySqlConnection; | ||
| import io.debezium.connector.mysql.MySqlConnectorConfig; | ||
| import io.debezium.jdbc.JdbcConnection; | ||
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| import java.util.Properties; | ||
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| /** {@link MySqlConnection} extension to be used with MySQL Server. */ | ||
| public class MySqlConnectionWithJdbcProperties extends MySqlConnection { | ||
| private final String utlPattern; | ||
| /** | ||
| * Creates a new connection using the supplied configuration. | ||
| * | ||
| * @param connectionConfig {@link MySqlConnectionConfiguration} instance, may not be null. | ||
| */ | ||
| public MySqlConnectionWithJdbcProperties( | ||
| MySqlConnectionConfigurationWithCustomUrl connectionConfig) { | ||
| super(connectionConfig); | ||
| this.utlPattern = connectionConfig.getUrlPattern(); | ||
| } | ||
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| @Override | ||
| public String connectionString() { | ||
| return connectionString(utlPattern); | ||
| } | ||
|
|
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| /** | ||
| * {@link MySqlConnectionConfiguration} extension to be used with {@link | ||
| * MySqlConnectionWithJdbcProperties}. | ||
| */ | ||
| public static class MySqlConnectionConfigurationWithCustomUrl | ||
| extends io.debezium.connector.mysql.MySqlConnection.MySqlConnectionConfiguration { | ||
| private static final Properties DEFAULT_JDBC_PROPERTIES = initializeDefaultJdbcProperties(); | ||
| private static final String JDBC_URL_PATTERN = | ||
| "jdbc:mysql://${hostname}:${port}/?useSSL=${useSSL}&connectTimeout=${connectTimeout}"; | ||
| private static final String JDBC_URL_PATTERN_WITH_CUSTOM_USE_SSL = | ||
| "jdbc:mysql://${hostname}:${port}/?connectTimeout=${connectTimeout}"; | ||
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| private final ConnectionFactory customFactory; | ||
| private final String urlPattern; | ||
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| public MySqlConnectionConfigurationWithCustomUrl( | ||
| Configuration config, Properties jdbcProperties) { | ||
| // Set up the JDBC connection without actually connecting, with extra MySQL-specific | ||
| // properties | ||
| // to give us better JDBC database metadata behavior, including using UTF-8 for the | ||
| // client-side character encoding | ||
| // per https://dev.mysql.com/doc/connector-j/5.1/en/connector-j-reference-charsets.html | ||
| super(config); | ||
| this.urlPattern = formatJdbcUrl(jdbcProperties); | ||
| String driverClassName = config().getString(MySqlConnectorConfig.JDBC_DRIVER); | ||
| customFactory = | ||
| JdbcConnection.patternBasedFactory( | ||
| urlPattern, driverClassName, getClass().getClassLoader()); | ||
| } | ||
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| public String getUrlPattern() { | ||
| return urlPattern; | ||
| } | ||
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| private String formatJdbcUrl(Properties jdbcProperties) { | ||
| Properties combinedProperties = new Properties(); | ||
| combinedProperties.putAll(DEFAULT_JDBC_PROPERTIES); | ||
| combinedProperties.putAll(jdbcProperties); | ||
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| StringBuilder jdbcUrlStringBuilder = | ||
| jdbcProperties.getProperty("useSSL") == null | ||
| ? new StringBuilder(JDBC_URL_PATTERN) | ||
| : new StringBuilder(JDBC_URL_PATTERN_WITH_CUSTOM_USE_SSL); | ||
| combinedProperties.forEach( | ||
| (key, value) -> { | ||
| jdbcUrlStringBuilder.append("&").append(key).append("=").append(value); | ||
| }); | ||
|
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| return jdbcUrlStringBuilder.toString(); | ||
| } | ||
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| private static Properties initializeDefaultJdbcProperties() { | ||
| Properties defaultJdbcProperties = new Properties(); | ||
| defaultJdbcProperties.setProperty("useInformationSchema", "true"); | ||
| defaultJdbcProperties.setProperty("nullCatalogMeansCurrent", "false"); | ||
| defaultJdbcProperties.setProperty("useUnicode", "true"); | ||
| defaultJdbcProperties.setProperty("zeroDateTimeBehavior", "CONVERT_TO_NULL"); | ||
| defaultJdbcProperties.setProperty("characterEncoding", "UTF-8"); | ||
| defaultJdbcProperties.setProperty("characterSetResults", "UTF-8"); | ||
| defaultJdbcProperties.setProperty("useSSL", "false"); | ||
| return defaultJdbcProperties; | ||
| } | ||
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| @Override | ||
| public ConnectionFactory factory() { | ||
| return customFactory; | ||
| } | ||
| } | ||
| } |
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