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Example 1 with FileFormatConversionOptions

use of com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions in project DataflowTemplates by GoogleCloudPlatform.

the class DataplexFileFormatConversion method run.

/**
 * Runs the pipeline to completion with the specified options.
 *
 * @return The pipeline result.
 */
public static PipelineResult run(Pipeline pipeline, FileFormatConversionOptions options, DataplexClient dataplex, OutputPathProvider outputPathProvider) throws IOException {
    boolean isInputAsset = ASSET_PATTERN.matcher(options.getInputAssetOrEntitiesList()).matches();
    if (!isInputAsset && !ENTITIES_PATTERN.matcher(options.getInputAssetOrEntitiesList()).matches()) {
        throw new IllegalArgumentException("Either input asset or input entities list must be provided");
    }
    GoogleCloudDataplexV1Asset outputAsset = dataplex.getAsset(options.getOutputAsset());
    if (outputAsset == null || outputAsset.getResourceSpec() == null || !DataplexAssetResourceSpec.STORAGE_BUCKET.name().equals(outputAsset.getResourceSpec().getType()) || outputAsset.getResourceSpec().getName() == null) {
        throw new IllegalArgumentException("Output asset must be an existing asset with resource spec name being a GCS bucket and" + " resource spec type of " + DataplexAssetResourceSpec.STORAGE_BUCKET.name());
    }
    String outputBucket = outputAsset.getResourceSpec().getName();
    Predicate<String> inputFilesFilter;
    switch(options.getWriteDisposition()) {
        case OVERWRITE:
            inputFilesFilter = inputFilePath -> true;
            break;
        case FAIL:
            Set<String> outputFilePaths = getAllOutputFilePaths(outputBucket);
            inputFilesFilter = inputFilePath -> {
                if (outputFilePaths.contains(inputFilePathToOutputFilePath(outputPathProvider, inputFilePath, outputBucket, options.getOutputFileFormat()))) {
                    throw new WriteDispositionException(String.format("The file %s already exists in the output asset bucket: %s", inputFilePath, outputBucket));
                }
                return true;
            };
            break;
        case SKIP:
            outputFilePaths = getAllOutputFilePaths(outputBucket);
            inputFilesFilter = inputFilePath -> !outputFilePaths.contains(inputFilePathToOutputFilePath(outputPathProvider, inputFilePath, outputBucket, options.getOutputFileFormat()));
            break;
        default:
            throw new UnsupportedOperationException("Unsupported existing file behaviour: " + options.getWriteDisposition());
    }
    ImmutableList<GoogleCloudDataplexV1Entity> entities = isInputAsset ? dataplex.getCloudStorageEntities(options.getInputAssetOrEntitiesList()) : dataplex.getEntities(Splitter.on(',').trimResults().splitToList(options.getInputAssetOrEntitiesList()));
    boolean convertingFiles = false;
    for (GoogleCloudDataplexV1Entity entity : entities) {
        ImmutableList<GoogleCloudDataplexV1Partition> partitions = dataplex.getPartitions(entity.getName());
        if (partitions.isEmpty()) {
            String outputPath = outputPathProvider.outputPathFrom(entity.getDataPath(), outputBucket);
            Iterator<String> inputFilePaths = getFilesFromFilePattern(entityToFileSpec(entity)).filter(inputFilesFilter).iterator();
            convertingFiles = inputFilePaths.hasNext();
            inputFilePaths.forEachRemaining(inputFilePath -> pipeline.apply("Convert " + shortenDataplexName(entity.getName()), new ConvertFiles(entity, inputFilePath, options, outputPath)));
        } else {
            for (GoogleCloudDataplexV1Partition partition : partitions) {
                String outputPath = outputPathProvider.outputPathFrom(partition.getLocation(), outputBucket);
                Iterator<String> inputFilePaths = getFilesFromFilePattern(partitionToFileSpec(partition)).filter(inputFilesFilter).iterator();
                convertingFiles = inputFilePaths.hasNext();
                inputFilePaths.forEachRemaining(inputFilePath -> pipeline.apply("Convert " + shortenDataplexName(partition.getName()), new ConvertFiles(entity, inputFilePath, options, outputPath)));
            }
        }
    }
    if (!convertingFiles) {
        pipeline.apply("Nothing to convert", new NoopTransform());
    }
    return pipeline.run();
}
Also used : NoopTransform(com.google.cloud.teleport.v2.transforms.NoopTransform) GoogleCloudDataplexV1Partition(com.google.api.services.dataplex.v1.model.GoogleCloudDataplexV1Partition) WriteDispositionException(com.google.cloud.teleport.v2.utils.WriteDisposition.WriteDispositionException) GoogleCloudDataplexV1Asset(com.google.api.services.dataplex.v1.model.GoogleCloudDataplexV1Asset) GoogleCloudDataplexV1Entity(com.google.api.services.dataplex.v1.model.GoogleCloudDataplexV1Entity)

Example 2 with FileFormatConversionOptions

use of com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions in project DataflowTemplates by GoogleCloudPlatform.

the class FileFormatConversionTest method testParquetToAvroE2E.

/**
 * Tests if the Parquet to Avro pipeline transforms data correctly and stores it in an Avro file.
 */
@Test
public void testParquetToAvroE2E() {
    FileFormatConversionOptions options = PipelineOptionsFactory.create().as(FileFormatConversionOptions.class);
    final String tempDir = temporaryFolder.getRoot().getAbsolutePath() + "/";
    options.setInputFileFormat(PARQUET);
    options.setOutputFileFormat(AVRO);
    options.setInputFileSpec(PARQUET_FILE_PATH);
    options.setOutputBucket(tempDir);
    options.setSchema(SCHEMA_FILE_PATH);
    Schema schema = SchemaUtils.getAvroSchema(SCHEMA_FILE_PATH);
    GenericRecord genericRecords = new GenericData.Record(schema);
    genericRecords.put("id", "007");
    genericRecords.put("state", "CA");
    genericRecords.put("price", 26.23);
    mainPipeline.apply("TestParquetToAvro", FileFormatConversionFactory.FileFormat.newBuilder().setOptions(options).setInputFileFormat(PARQUET).setOutputFileFormat(AVRO).build());
    mainPipeline.run();
    PCollection<GenericRecord> readAvroFile = readPipeline.apply("ReadAvroFile", AvroConverters.ReadAvroFile.newBuilder().withInputFileSpec(tempDir + "*").withSchema(SCHEMA_FILE_PATH).build());
    PAssert.that(readAvroFile).containsInAnyOrder(genericRecords);
    readPipeline.run();
}
Also used : FileFormatConversionOptions(com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions) Schema(org.apache.avro.Schema) GenericRecord(org.apache.avro.generic.GenericRecord) GenericRecord(org.apache.avro.generic.GenericRecord) Test(org.junit.Test)

Example 3 with FileFormatConversionOptions

use of com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions in project DataflowTemplates by GoogleCloudPlatform.

the class FileFormatConversionTest method testCsvToParquetE2E.

/**
 * Tests if the Csv to Parquet pipeline transforms data correctly and stores it in a Parquet file.
 */
@Test
public void testCsvToParquetE2E() {
    FileFormatConversionOptions options = PipelineOptionsFactory.create().as(FileFormatConversionOptions.class);
    final String tempDir = temporaryFolder.getRoot().getAbsolutePath() + "/";
    options.setInputFileFormat(CSV);
    options.setOutputFileFormat(PARQUET);
    options.setInputFileSpec(CSV_FILE_PATH);
    options.setOutputBucket(tempDir);
    options.setContainsHeaders(true);
    options.setSchema(SCHEMA_FILE_PATH);
    options.setDelimiter("|");
    Schema schema = SchemaUtils.getAvroSchema(SCHEMA_FILE_PATH);
    GenericRecord genericRecords = new GenericData.Record(schema);
    genericRecords.put("id", "007");
    genericRecords.put("state", "CA");
    genericRecords.put("price", 26.23);
    mainPipeline.apply("TestCsvToParquet", FileFormatConversionFactory.FileFormat.newBuilder().setOptions(options).setInputFileFormat(CSV).setOutputFileFormat(PARQUET).build());
    mainPipeline.run();
    PCollection<GenericRecord> readParquetFile = readPipeline.apply("ReadParquetFile", ParquetConverters.ReadParquetFile.newBuilder().withInputFileSpec(tempDir + "*").withSchema(SCHEMA_FILE_PATH).build());
    PAssert.that(readParquetFile).containsInAnyOrder(genericRecords);
    readPipeline.run();
}
Also used : FileFormatConversionOptions(com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions) Schema(org.apache.avro.Schema) GenericRecord(org.apache.avro.generic.GenericRecord) GenericRecord(org.apache.avro.generic.GenericRecord) Test(org.junit.Test)

Example 4 with FileFormatConversionOptions

use of com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions in project DataflowTemplates by GoogleCloudPlatform.

the class FileFormatConversionTest method testCsvToParquetWithEmptyField.

/**
 * Tests if the Csv to Parquet pipeline can handle empty fields in the Csv file.
 */
@Test
public void testCsvToParquetWithEmptyField() {
    FileFormatConversionOptions options = PipelineOptionsFactory.create().as(FileFormatConversionOptions.class);
    String tempDir = temporaryFolder.getRoot().getAbsolutePath() + "/";
    options.setInputFileFormat(CSV);
    options.setOutputFileFormat(PARQUET);
    options.setInputFileSpec(CSV_FILE_WITH_MISSING_FIELD_PATH);
    options.setOutputBucket(tempDir);
    options.setContainsHeaders(true);
    options.setSchema(SCHEMA_FILE_TWO_PATH);
    Schema schema = SchemaUtils.getAvroSchema(SCHEMA_FILE_TWO_PATH);
    GenericRecord genericRecords = new GenericData.Record(schema);
    genericRecords.put("id", "007");
    genericRecords.put("state", "CA");
    genericRecords.put("price", null);
    mainPipeline.apply("TestCsvToParquetWithEmptyField", FileFormatConversionFactory.FileFormat.newBuilder().setOptions(options).setInputFileFormat(CSV).setOutputFileFormat(PARQUET).build());
    mainPipeline.run();
    PCollection<GenericRecord> readParquetFile = readPipeline.apply("ReadParquetFile", ParquetConverters.ReadParquetFile.newBuilder().withInputFileSpec(tempDir + "*").withSchema(SCHEMA_FILE_TWO_PATH).build());
    PAssert.that(readParquetFile).containsInAnyOrder(genericRecords);
    readPipeline.run();
}
Also used : FileFormatConversionOptions(com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions) Schema(org.apache.avro.Schema) GenericRecord(org.apache.avro.generic.GenericRecord) GenericRecord(org.apache.avro.generic.GenericRecord) Test(org.junit.Test)

Example 5 with FileFormatConversionOptions

use of com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions in project DataflowTemplates by GoogleCloudPlatform.

the class FileFormatConversionTest method testAvroToParquetE2E.

/**
 * Tests if the Avro to Parquet pipeline transforms data correctly and stores it in a Parquet
 * file.
 */
@Test
public void testAvroToParquetE2E() {
    FileFormatConversionOptions options = PipelineOptionsFactory.create().as(FileFormatConversionOptions.class);
    final String tempDir = temporaryFolder.getRoot().getAbsolutePath() + "/";
    options.setInputFileFormat(AVRO);
    options.setOutputFileFormat(PARQUET);
    options.setInputFileSpec(AVRO_FILE_PATH);
    options.setOutputBucket(tempDir);
    options.setSchema(SCHEMA_FILE_PATH);
    Schema schema = SchemaUtils.getAvroSchema(SCHEMA_FILE_PATH);
    GenericRecord genericRecords = new GenericData.Record(schema);
    genericRecords.put("id", "007");
    genericRecords.put("state", "CA");
    genericRecords.put("price", 26.23);
    mainPipeline.apply("TestAvroToParquet", FileFormatConversionFactory.FileFormat.newBuilder().setOptions(options).setInputFileFormat(AVRO).setOutputFileFormat(PARQUET).build());
    mainPipeline.run();
    PCollection<GenericRecord> readParquetFile = readPipeline.apply("ReadParquetFile", ParquetConverters.ReadParquetFile.newBuilder().withInputFileSpec(tempDir + "*").withSchema(SCHEMA_FILE_PATH).build());
    PAssert.that(readParquetFile).containsInAnyOrder(genericRecords);
    readPipeline.run();
}
Also used : FileFormatConversionOptions(com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions) Schema(org.apache.avro.Schema) GenericRecord(org.apache.avro.generic.GenericRecord) GenericRecord(org.apache.avro.generic.GenericRecord) Test(org.junit.Test)

Aggregations

Test (org.junit.Test)14 GenericRecord (org.apache.avro.generic.GenericRecord)11 FileFormatConversionOptions (com.google.cloud.teleport.v2.templates.FileFormatConversion.FileFormatConversionOptions)8 DataplexClient (com.google.cloud.teleport.v2.clients.DataplexClient)6 FileFormatConversionOptions (com.google.cloud.teleport.v2.templates.DataplexFileFormatConversion.FileFormatConversionOptions)6 Schema (org.apache.avro.Schema)6 Category (org.junit.experimental.categories.Category)6 GoogleCloudDataplexV1Asset (com.google.api.services.dataplex.v1.model.GoogleCloudDataplexV1Asset)1 GoogleCloudDataplexV1Entity (com.google.api.services.dataplex.v1.model.GoogleCloudDataplexV1Entity)1 GoogleCloudDataplexV1Partition (com.google.api.services.dataplex.v1.model.GoogleCloudDataplexV1Partition)1 NoopTransform (com.google.cloud.teleport.v2.transforms.NoopTransform)1 WriteDispositionException (com.google.cloud.teleport.v2.utils.WriteDisposition.WriteDispositionException)1 ImmutableList (com.google.common.collect.ImmutableList)1 Record (org.apache.avro.generic.GenericData.Record)1