Examples with StandardTocWriter org.apache.nifi.provenance.toc.StandardTocWriter used on opensource projects

Example 16 with StandardTocWriter

use of org.apache.nifi.provenance.toc.StandardTocWriter in project nifi by apache.

the class TestEventIdFirstSchemaRecordReaderWriter method testContentClaimChanged.

@Test
public void testContentClaimChanged() throws IOException {
    final File journalFile = new File("target/storage/" + UUID.randomUUID().toString() + "/testSimpleWrite.gz");
    final File tocFile = TocUtil.getTocFile(journalFile);
    final TocWriter tocWriter = new StandardTocWriter(tocFile, false, false);
    final RecordWriter writer = createWriter(journalFile, tocWriter, true, 8192);
    final Map<String, String> attributes = new HashMap<>();
    attributes.put("filename", "1.txt");
    attributes.put("uuid", UUID.randomUUID().toString());
    final ProvenanceEventBuilder builder = new StandardProvenanceEventRecord.Builder();
    builder.setEventTime(System.currentTimeMillis());
    builder.setEventType(ProvenanceEventType.RECEIVE);
    builder.setTransitUri("nifi://unit-test");
    builder.fromFlowFile(TestUtil.createFlowFile(3L, 3000L, attributes));
    builder.setComponentId("1234");
    builder.setComponentType("dummy processor");
    builder.setPreviousContentClaim("container-1", "section-1", "identifier-1", 1L, 1L);
    builder.setCurrentContentClaim("container-2", "section-2", "identifier-2", 2L, 2L);
    final ProvenanceEventRecord record = builder.build();
    writer.writeHeader(1L);
    writer.writeRecord(record);
    writer.close();
    final TocReader tocReader = new StandardTocReader(tocFile);
    try (final FileInputStream fis = new FileInputStream(journalFile);
        final RecordReader reader = createReader(fis, journalFile.getName(), tocReader, 2048)) {
        assertEquals(0, reader.getBlockIndex());
        reader.skipToBlock(0);
        final StandardProvenanceEventRecord recovered = reader.nextRecord();
        assertNotNull(recovered);
        assertEquals("nifi://unit-test", recovered.getTransitUri());
        assertEquals("container-1", recovered.getPreviousContentClaimContainer());
        assertEquals("container-2", recovered.getContentClaimContainer());
        assertEquals("section-1", recovered.getPreviousContentClaimSection());
        assertEquals("section-2", recovered.getContentClaimSection());
        assertEquals("identifier-1", recovered.getPreviousContentClaimIdentifier());
        assertEquals("identifier-2", recovered.getContentClaimIdentifier());
        assertEquals(1L, recovered.getPreviousContentClaimOffset().longValue());
        assertEquals(2L, recovered.getContentClaimOffset().longValue());
        assertEquals(1L, recovered.getPreviousFileSize().longValue());
        assertEquals(2L, recovered.getContentClaimOffset().longValue());
        assertNull(reader.nextRecord());
    }
    FileUtils.deleteFile(journalFile.getParentFile(), true);
}

Example 17 with StandardTocWriter

use of org.apache.nifi.provenance.toc.StandardTocWriter in project nifi by apache.

the class TestEventIdFirstSchemaRecordReaderWriter method testContentClaimUnchanged.

@Test
public void testContentClaimUnchanged() throws IOException {
    final File journalFile = new File("target/storage/" + UUID.randomUUID().toString() + "/testSimpleWrite.gz");
    final File tocFile = TocUtil.getTocFile(journalFile);
    final TocWriter tocWriter = new StandardTocWriter(tocFile, false, false);
    final RecordWriter writer = createWriter(journalFile, tocWriter, true, 8192);
    final Map<String, String> attributes = new HashMap<>();
    attributes.put("filename", "1.txt");
    attributes.put("uuid", UUID.randomUUID().toString());
    final ProvenanceEventBuilder builder = new StandardProvenanceEventRecord.Builder();
    builder.setEventTime(System.currentTimeMillis());
    builder.setEventType(ProvenanceEventType.RECEIVE);
    builder.setTransitUri("nifi://unit-test");
    builder.fromFlowFile(TestUtil.createFlowFile(3L, 3000L, attributes));
    builder.setComponentId("1234");
    builder.setComponentType("dummy processor");
    builder.setPreviousContentClaim("container-1", "section-1", "identifier-1", 1L, 1L);
    builder.setCurrentContentClaim("container-1", "section-1", "identifier-1", 1L, 1L);
    final ProvenanceEventRecord record = builder.build();
    writer.writeHeader(1L);
    writer.writeRecord(record);
    writer.close();
    final TocReader tocReader = new StandardTocReader(tocFile);
    try (final FileInputStream fis = new FileInputStream(journalFile);
        final RecordReader reader = createReader(fis, journalFile.getName(), tocReader, 2048)) {
        assertEquals(0, reader.getBlockIndex());
        reader.skipToBlock(0);
        final StandardProvenanceEventRecord recovered = reader.nextRecord();
        assertNotNull(recovered);
        assertEquals("nifi://unit-test", recovered.getTransitUri());
        assertEquals("container-1", recovered.getPreviousContentClaimContainer());
        assertEquals("container-1", recovered.getContentClaimContainer());
        assertEquals("section-1", recovered.getPreviousContentClaimSection());
        assertEquals("section-1", recovered.getContentClaimSection());
        assertEquals("identifier-1", recovered.getPreviousContentClaimIdentifier());
        assertEquals("identifier-1", recovered.getContentClaimIdentifier());
        assertEquals(1L, recovered.getPreviousContentClaimOffset().longValue());
        assertEquals(1L, recovered.getContentClaimOffset().longValue());
        assertEquals(1L, recovered.getPreviousFileSize().longValue());
        assertEquals(1L, recovered.getContentClaimOffset().longValue());
        assertNull(reader.nextRecord());
    }
    FileUtils.deleteFile(journalFile.getParentFile(), true);
}

Example 18 with StandardTocWriter

use of org.apache.nifi.provenance.toc.StandardTocWriter in project nifi by apache.

the class TestSchemaRecordReaderWriter method createSchemaWriter.

/**
 * Creates a SchemaRecordWriter that uses a modified schema
 *
 * @param fieldModifier the callback for modifying the schema
 * @return a SchemaRecordWriter that uses the modified schema
 * @throws IOException if unable to create the writer
 */
private ByteArraySchemaRecordWriter createSchemaWriter(final Consumer<List<RecordField>> fieldModifier, final Map<RecordField, Object> fieldsToAdd) throws IOException {
    final TocWriter tocWriter = new StandardTocWriter(tocFile, false, false);
    // Create a schema that has the fields modified
    final RecordSchema schemaV1 = ProvenanceEventSchema.PROVENANCE_EVENT_SCHEMA_V1;
    final List<RecordField> fields = new ArrayList<>(schemaV1.getFields());
    fieldModifier.accept(fields);
    final RecordSchema recordSchema = new RecordSchema(fields);
    final RecordSchema contentClaimSchema = new RecordSchema(recordSchema.getField(EventFieldNames.CONTENT_CLAIM).getSubFields());
    final ByteArraySchemaRecordWriter writer = new ByteArraySchemaRecordWriter(journalFile, idGenerator, tocWriter, false, 0) {

        @Override
        public void writeHeader(long firstEventId, DataOutputStream out) throws IOException {
            final ByteArrayOutputStream baos = new ByteArrayOutputStream();
            recordSchema.writeTo(baos);
            out.writeInt(baos.size());
            baos.writeTo(out);
        }

        @Override
        protected Record createRecord(final ProvenanceEventRecord event, final long eventId) {
            final Map<RecordField, Object> values = new HashMap<>();
            final EventRecord eventRecord = new EventRecord(event, eventId, recordSchema, contentClaimSchema);
            for (final RecordField field : recordSchema.getFields()) {
                final Object value = eventRecord.getFieldValue(field);
                values.put(field, value);
            }
            values.putAll(fieldsToAdd);
            return new FieldMapRecord(values, recordSchema);
        }
    };
    return writer;
}

Example 19 with StandardTocWriter

use of org.apache.nifi.provenance.toc.StandardTocWriter in project nifi by apache.

the class WriteAheadProvenanceRepository method initialize.

@Override
public synchronized void initialize(final EventReporter eventReporter, final Authorizer authorizer, final ProvenanceAuthorizableFactory resourceFactory, final IdentifierLookup idLookup) throws IOException {
    final RecordWriterFactory recordWriterFactory = (file, idGenerator, compressed, createToc) -> {
        final TocWriter tocWriter = createToc ? new StandardTocWriter(TocUtil.getTocFile(file), false, false) : null;
        return new EventIdFirstSchemaRecordWriter(file, idGenerator, tocWriter, compressed, BLOCK_SIZE, idLookup);
    };
    final EventFileManager fileManager = new EventFileManager();
    final RecordReaderFactory recordReaderFactory = (file, logs, maxChars) -> {
        fileManager.obtainReadLock(file);
        try {
            return RecordReaders.newRecordReader(file, logs, maxChars);
        } finally {
            fileManager.releaseReadLock(file);
        }
    };
    init(recordWriterFactory, recordReaderFactory, eventReporter, authorizer, resourceFactory);
}

Example 20 with StandardTocWriter

use of org.apache.nifi.provenance.toc.StandardTocWriter in project nifi by apache.

the class EncryptedWriteAheadProvenanceRepository method initialize.

/**
 * This method initializes the repository. It first builds the key provider and event encryptor
 * from the config values, then creates the encrypted record writer and reader, then delegates
 * back to the superclass for the common implementation.
 *
 * @param eventReporter   the event reporter
 * @param authorizer      the authorizer
 * @param resourceFactory the authorizable factory
 * @param idLookup        the lookup provider
 * @throws IOException if there is an error initializing this repository
 */
@Override
public synchronized void initialize(final EventReporter eventReporter, final Authorizer authorizer, final ProvenanceAuthorizableFactory resourceFactory, final IdentifierLookup idLookup) throws IOException {
    // Initialize the encryption-specific fields
    ProvenanceEventEncryptor provenanceEventEncryptor;
    if (getConfig().supportsEncryption()) {
        try {
            KeyProvider keyProvider;
            if (KeyProviderFactory.requiresMasterKey(getConfig().getKeyProviderImplementation())) {
                SecretKey masterKey = getMasterKey();
                keyProvider = buildKeyProvider(masterKey);
            } else {
                keyProvider = buildKeyProvider();
            }
            provenanceEventEncryptor = new AESProvenanceEventEncryptor();
            provenanceEventEncryptor.initialize(keyProvider);
        } catch (KeyManagementException e) {
            String msg = "Encountered an error building the key provider";
            logger.error(msg, e);
            throw new IOException(msg, e);
        }
    } else {
        throw new IOException("The provided configuration does not support a encrypted repository");
    }
    // Build a factory using lambda which injects the encryptor
    final RecordWriterFactory recordWriterFactory = (file, idGenerator, compressed, createToc) -> {
        try {
            final TocWriter tocWriter = createToc ? new StandardTocWriter(TocUtil.getTocFile(file), false, false) : null;
            return new EncryptedSchemaRecordWriter(file, idGenerator, tocWriter, compressed, BLOCK_SIZE, idLookup, provenanceEventEncryptor, getConfig().getDebugFrequency());
        } catch (EncryptionException e) {
            logger.error("Encountered an error building the schema record writer factory: ", e);
            throw new IOException(e);
        }
    };
    // Build a factory using lambda which injects the encryptor
    final EventFileManager fileManager = new EventFileManager();
    final RecordReaderFactory recordReaderFactory = (file, logs, maxChars) -> {
        fileManager.obtainReadLock(file);
        try {
            EncryptedSchemaRecordReader tempReader = (EncryptedSchemaRecordReader) RecordReaders.newRecordReader(file, logs, maxChars);
            tempReader.setProvenanceEventEncryptor(provenanceEventEncryptor);
            return tempReader;
        } finally {
            fileManager.releaseReadLock(file);
        }
    };
    // Delegate the init to the parent impl
    super.init(recordWriterFactory, recordReaderFactory, eventReporter, authorizer, resourceFactory);
}