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| 1 | +package com.provectus.kafka.ui.service.integration.odd; |
| 2 | + |
| 3 | +import com.provectus.kafka.ui.model.ConnectorTypeDTO; |
| 4 | +import java.util.ArrayList; |
| 5 | +import java.util.List; |
| 6 | +import java.util.Map; |
| 7 | +import java.util.Objects; |
| 8 | +import java.util.function.Function; |
| 9 | +import java.util.stream.Stream; |
| 10 | +import javax.annotation.Nullable; |
| 11 | +import org.apache.commons.collections.CollectionUtils; |
| 12 | +import org.opendatadiscovery.oddrn.JdbcUrlParser; |
| 13 | +import org.opendatadiscovery.oddrn.model.HivePath; |
| 14 | +import org.opendatadiscovery.oddrn.model.MysqlPath; |
| 15 | +import org.opendatadiscovery.oddrn.model.PostgreSqlPath; |
| 16 | +import org.opendatadiscovery.oddrn.model.SnowflakePath; |
| 17 | + |
| 18 | +record ConnectorInfo(List<String> inputs, |
| 19 | + List<String> outputs) { |
| 20 | + |
| 21 | + static ConnectorInfo extract(String className, |
| 22 | + ConnectorTypeDTO type, |
| 23 | + Map<String, Object> config, |
| 24 | + List<String> topicsFromApi, // can be empty for old Connect API versions |
| 25 | + Function<String, String> topicOddrnBuilder) { |
| 26 | + return switch (className) { |
| 27 | + case "org.apache.kafka.connect.file.FileStreamSinkConnector", |
| 28 | + "org.apache.kafka.connect.file.FileStreamSourceConnector", |
| 29 | + "FileStreamSource", |
| 30 | + "FileStreamSink" -> extractFileIoConnector(type, topicsFromApi, config, topicOddrnBuilder); |
| 31 | + case "io.confluent.connect.s3.S3SinkConnector" -> extractS3Sink(type, topicsFromApi, config, topicOddrnBuilder); |
| 32 | + case "io.confluent.connect.jdbc.JdbcSinkConnector" -> |
| 33 | + extractJdbcSink(type, topicsFromApi, config, topicOddrnBuilder); |
| 34 | + case "io.debezium.connector.postgresql.PostgresConnector" -> extractDebeziumPg(config); |
| 35 | + case "io.debezium.connector.mysql.MySqlConnector" -> extractDebeziumMysql(config); |
| 36 | + default -> new ConnectorInfo( |
| 37 | + extractInputs(type, topicsFromApi, config, topicOddrnBuilder), |
| 38 | + extractOutputs(type, topicsFromApi, config, topicOddrnBuilder) |
| 39 | + ); |
| 40 | + }; |
| 41 | + } |
| 42 | + |
| 43 | + private static ConnectorInfo extractFileIoConnector(ConnectorTypeDTO type, |
| 44 | + List<String> topics, |
| 45 | + Map<String, Object> config, |
| 46 | + Function<String, String> topicOddrnBuilder) { |
| 47 | + return new ConnectorInfo( |
| 48 | + extractInputs(type, topics, config, topicOddrnBuilder), |
| 49 | + extractOutputs(type, topics, config, topicOddrnBuilder) |
| 50 | + ); |
| 51 | + } |
| 52 | + |
| 53 | + private static ConnectorInfo extractJdbcSink(ConnectorTypeDTO type, |
| 54 | + List<String> topics, |
| 55 | + Map<String, Object> config, |
| 56 | + Function<String, String> topicOddrnBuilder) { |
| 57 | + String tableNameFormat = (String) config.getOrDefault("table.name.format", "${topic}"); |
| 58 | + List<String> targetTables = extractTopicNamesBestEffort(topics, config) |
| 59 | + .map(topic -> tableNameFormat.replace("${kafka}", topic)) |
| 60 | + .toList(); |
| 61 | + |
| 62 | + String connectionUrl = (String) config.get("connection.url"); |
| 63 | + List<String> outputs = new ArrayList<>(); |
| 64 | + @Nullable var knownJdbcPath = new JdbcUrlParser().parse(connectionUrl); |
| 65 | + if (knownJdbcPath instanceof PostgreSqlPath p) { |
| 66 | + targetTables.forEach(t -> outputs.add(p.toBuilder().table(t).build().oddrn())); |
| 67 | + } |
| 68 | + if (knownJdbcPath instanceof MysqlPath p) { |
| 69 | + targetTables.forEach(t -> outputs.add(p.toBuilder().table(t).build().oddrn())); |
| 70 | + } |
| 71 | + if (knownJdbcPath instanceof HivePath p) { |
| 72 | + targetTables.forEach(t -> outputs.add(p.toBuilder().table(t).build().oddrn())); |
| 73 | + } |
| 74 | + if (knownJdbcPath instanceof SnowflakePath p) { |
| 75 | + targetTables.forEach(t -> outputs.add(p.toBuilder().table(t).build().oddrn())); |
| 76 | + } |
| 77 | + return new ConnectorInfo( |
| 78 | + extractInputs(type, topics, config, topicOddrnBuilder), |
| 79 | + outputs |
| 80 | + ); |
| 81 | + } |
| 82 | + |
| 83 | + private static ConnectorInfo extractDebeziumPg(Map<String, Object> config) { |
| 84 | + String host = (String) config.get("database.hostname"); |
| 85 | + String dbName = (String) config.get("database.dbname"); |
| 86 | + var inputs = List.of( |
| 87 | + PostgreSqlPath.builder() |
| 88 | + .host(host) |
| 89 | + .database(dbName) |
| 90 | + .build().oddrn() |
| 91 | + ); |
| 92 | + return new ConnectorInfo(inputs, List.of()); |
| 93 | + } |
| 94 | + |
| 95 | + private static ConnectorInfo extractDebeziumMysql(Map<String, Object> config) { |
| 96 | + String host = (String) config.get("database.hostname"); |
| 97 | + var inputs = List.of( |
| 98 | + MysqlPath.builder() |
| 99 | + .host(host) |
| 100 | + .build() |
| 101 | + .oddrn() |
| 102 | + ); |
| 103 | + return new ConnectorInfo(inputs, List.of()); |
| 104 | + } |
| 105 | + |
| 106 | + private static ConnectorInfo extractS3Sink(ConnectorTypeDTO type, |
| 107 | + List<String> topics, |
| 108 | + Map<String, Object> config, |
| 109 | + Function<String, String> topicOrrdnBuilder) { |
| 110 | + String bucketName = (String) config.get("s3.bucket.name"); |
| 111 | + String topicsDir = (String) config.getOrDefault("topics.dir", "topics"); |
| 112 | + String directoryDelim = (String) config.getOrDefault("directory.delim", "/"); |
| 113 | + List<String> outputs = extractTopicNamesBestEffort(topics, config) |
| 114 | + .map(topic -> Oddrn.awsS3Oddrn(bucketName, topicsDir + directoryDelim + topic)) |
| 115 | + .toList(); |
| 116 | + return new ConnectorInfo( |
| 117 | + extractInputs(type, topics, config, topicOrrdnBuilder), |
| 118 | + outputs |
| 119 | + ); |
| 120 | + } |
| 121 | + |
| 122 | + private static List<String> extractInputs(ConnectorTypeDTO type, |
| 123 | + List<String> topicsFromApi, |
| 124 | + Map<String, Object> config, |
| 125 | + Function<String, String> topicOrrdnBuilder) { |
| 126 | + return type == ConnectorTypeDTO.SINK |
| 127 | + ? extractTopicsOddrns(config, topicsFromApi, topicOrrdnBuilder) |
| 128 | + : List.of(); |
| 129 | + } |
| 130 | + |
| 131 | + private static List<String> extractOutputs(ConnectorTypeDTO type, |
| 132 | + List<String> topicsFromApi, |
| 133 | + Map<String, Object> config, |
| 134 | + Function<String, String> topicOrrdnBuilder) { |
| 135 | + return type == ConnectorTypeDTO.SOURCE |
| 136 | + ? extractTopicsOddrns(config, topicsFromApi, topicOrrdnBuilder) |
| 137 | + : List.of(); |
| 138 | + } |
| 139 | + |
| 140 | + private static Stream<String> extractTopicNamesBestEffort( |
| 141 | + // topic list can be empty for old Connect API versions |
| 142 | + List<String> topicsFromApi, |
| 143 | + Map<String, Object> config |
| 144 | + ) { |
| 145 | + if (CollectionUtils.isNotEmpty(topicsFromApi)) { |
| 146 | + return topicsFromApi.stream(); |
| 147 | + } |
| 148 | + |
| 149 | + // trying to extract topic names from config |
| 150 | + String topicsString = (String) config.get("topics"); |
| 151 | + String topicString = (String) config.get("topic"); |
| 152 | + return Stream.of(topicsString, topicString) |
| 153 | + .filter(Objects::nonNull) |
| 154 | + .flatMap(str -> Stream.of(str.split(","))) |
| 155 | + .map(String::trim) |
| 156 | + .filter(s -> !s.isBlank()); |
| 157 | + } |
| 158 | + |
| 159 | + private static List<String> extractTopicsOddrns(Map<String, Object> config, |
| 160 | + List<String> topicsFromApi, |
| 161 | + Function<String, String> topicOrrdnBuilder) { |
| 162 | + return extractTopicNamesBestEffort(topicsFromApi, config) |
| 163 | + .map(topicOrrdnBuilder) |
| 164 | + .toList(); |
| 165 | + } |
| 166 | + |
| 167 | +} |
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