Examples with ReadOnlyBookkeeperLogMetadata io.pravega.segmentstore.storage.impl.bookkeeper.ReadOnlyBookkeeperLogMetadata used on opensource projects

Example 1 with ReadOnlyBookkeeperLogMetadata

use of io.pravega.segmentstore.storage.impl.bookkeeper.ReadOnlyBookkeeperLogMetadata in project pravega by pravega.

the class DataRecoveryTest method testForceMetadataOverWrite.

@Test
public void testForceMetadataOverWrite() throws Exception {
    int instanceId = 0;
    int bookieCount = 3;
    int containerCount = 1;
    @Cleanup TestUtils.PravegaRunner pravegaRunner = new TestUtils.PravegaRunner(bookieCount, containerCount);
    pravegaRunner.startBookKeeperRunner(instanceId);
    val bkConfig = BookKeeperConfig.builder().with(BookKeeperConfig.ZK_ADDRESS, "localhost:" + pravegaRunner.getBookKeeperRunner().getBkPort()).with(BookKeeperConfig.BK_LEDGER_PATH, pravegaRunner.getBookKeeperRunner().getLedgerPath()).with(BookKeeperConfig.ZK_METADATA_PATH, pravegaRunner.getBookKeeperRunner().getLogMetaNamespace()).with(BookKeeperConfig.BK_ENSEMBLE_SIZE, 1).with(BookKeeperConfig.BK_WRITE_QUORUM_SIZE, 1).with(BookKeeperConfig.BK_ACK_QUORUM_SIZE, 1).build();
    this.factory = new BookKeeperLogFactory(bkConfig, pravegaRunner.getBookKeeperRunner().getZkClient().get(), this.executorService());
    pravegaRunner.startControllerAndSegmentStore(this.storageFactory, this.factory);
    String streamName = "testDataRecoveryCommand";
    TestUtils.createScopeStream(pravegaRunner.getControllerRunner().getController(), SCOPE, streamName, config);
    try (val clientRunner = new TestUtils.ClientRunner(pravegaRunner.getControllerRunner(), SCOPE)) {
        // Write events to the streams.
        TestUtils.writeEvents(streamName, clientRunner.getClientFactory());
    }
    // Shut down services, we assume that the cluster is in very bad shape in this test.
    pravegaRunner.shutDownControllerRunner();
    pravegaRunner.shutDownSegmentStoreRunner();
    // set Pravega properties for the test
    STATE.set(new AdminCommandState());
    Properties pravegaProperties = new Properties();
    pravegaProperties.setProperty("pravegaservice.container.count", "1");
    pravegaProperties.setProperty("pravegaservice.storage.impl.name", "FILESYSTEM");
    pravegaProperties.setProperty("pravegaservice.storage.layout", "ROLLING_STORAGE");
    pravegaProperties.setProperty("pravegaservice.zk.connect.uri", "localhost:" + pravegaRunner.getBookKeeperRunner().getBkPort());
    pravegaProperties.setProperty("bookkeeper.ledger.path", pravegaRunner.getBookKeeperRunner().getLedgerPath());
    pravegaProperties.setProperty("bookkeeper.zk.metadata.path", pravegaRunner.getBookKeeperRunner().getLogMetaNamespace());
    pravegaProperties.setProperty("pravegaservice.clusterName", "pravega0");
    pravegaProperties.setProperty("filesystem.root", this.baseDir.getAbsolutePath());
    STATE.get().getConfigBuilder().include(pravegaProperties);
    // Execute basic command workflow for repairing DurableLog.
    CommandArgs args = new CommandArgs(List.of("0"), STATE.get());
    DurableDataLogRepairCommand command = Mockito.spy(new DurableDataLogRepairCommand(args));
    // Test the DurableLogWrapper options to get, overwrite and destroy logs.
    @Cleanup val newFactory = new BookKeeperLogFactory(bkConfig, pravegaRunner.getBookKeeperRunner().getZkClient().get(), this.executorService());
    newFactory.initialize();
    @Cleanup DebugBookKeeperLogWrapper debugLogWrapper0 = newFactory.createDebugLogWrapper(0);
    int container0LogEntries = command.readDurableDataLogWithCustomCallback((a, b) -> {
    }, 0, debugLogWrapper0.asReadOnly());
    Assert.assertTrue(container0LogEntries > 0);
    ReadOnlyBookkeeperLogMetadata metadata0 = debugLogWrapper0.fetchMetadata();
    Assert.assertNotNull(metadata0);
    // Create a Repair log with some random content.
    @Cleanup DurableDataLog repairLog = newFactory.createDurableDataLog(this.factory.getRepairLogId());
    repairLog.initialize(TIMEOUT);
    repairLog.append(new CompositeByteArraySegment(new byte[0]), TIMEOUT).join();
    @Cleanup DebugBookKeeperLogWrapper debugLogWrapperRepair = newFactory.createDebugLogWrapper(0);
    // Overwrite metadata of repair container with metadata of container 0.
    debugLogWrapperRepair.forceMetadataOverWrite(metadata0);
    // Now the amount of log entries read should be equal to the ones of container 0.
    int newContainerRepairLogEntries = command.readDurableDataLogWithCustomCallback((a, b) -> {
    }, this.factory.getRepairLogId(), debugLogWrapperRepair.asReadOnly());
    ReadOnlyBookkeeperLogMetadata newMetadata1 = debugLogWrapperRepair.fetchMetadata();
    Assert.assertEquals(container0LogEntries, newContainerRepairLogEntries);
    Assert.assertEquals(metadata0.getLedgers(), newMetadata1.getLedgers());
    // Destroy contents of Container 0.
    debugLogWrapper0.deleteDurableLogMetadata();
    Assert.assertNull(debugLogWrapper0.fetchMetadata());
}