Examples with Notification co.cask.cdap.proto.Notification used on opensource projects

Example 1 with Notification

use of co.cask.cdap.proto.Notification in project cdap by caskdata.

the class DynamicPartitionerWithAvroTest method runDynamicPartitionerMapReduce.

private void runDynamicPartitionerMapReduce(final List<? extends GenericRecord> records, boolean allowConcurrentWriters, boolean expectedStatus) throws Exception {
    ApplicationWithPrograms app = deployApp(AppWithMapReduceUsingAvroDynamicPartitioner.class);
    final long now = System.currentTimeMillis();
    final Multimap<PartitionKey, GenericRecord> keyToRecordsMap = groupByPartitionKey(records, now);
    // write values to the input kvTable
    final KeyValueTable kvTable = datasetCache.getDataset(INPUT_DATASET);
    Transactions.createTransactionExecutor(txExecutorFactory, kvTable).execute(new TransactionExecutor.Subroutine() {

        @Override
        public void apply() {
            // the keys are not used; it matters that they're unique though
            for (int i = 0; i < records.size(); i++) {
                kvTable.write(Integer.toString(i), records.get(i).toString());
            }
        }
    });
    String allowConcurrencyKey = "dataset." + OUTPUT_DATASET + "." + PartitionedFileSetArguments.DYNAMIC_PARTITIONER_ALLOW_CONCURRENCY;
    // run the partition writer m/r with this output partition time
    ImmutableMap<String, String> arguments = ImmutableMap.of(OUTPUT_PARTITION_KEY, Long.toString(now), allowConcurrencyKey, Boolean.toString(allowConcurrentWriters));
    long startTime = System.currentTimeMillis();
    boolean status = runProgram(app, AppWithMapReduceUsingAvroDynamicPartitioner.DynamicPartitioningMapReduce.class, new BasicArguments(arguments));
    Assert.assertEquals(expectedStatus, status);
    if (!expectedStatus) {
        // if we expect the program to fail, no need to check the output data for expected results
        return;
    }
    // Verify notifications
    List<Notification> notifications = getDataNotifications(startTime);
    Assert.assertEquals(1, notifications.size());
    Assert.assertEquals(NamespaceId.DEFAULT.dataset(OUTPUT_DATASET), DatasetId.fromString(notifications.get(0).getProperties().get("datasetId")));
    // this should have created a partition in the pfs
    final PartitionedFileSet pfs = datasetCache.getDataset(OUTPUT_DATASET);
    final Location pfsBaseLocation = pfs.getEmbeddedFileSet().getBaseLocation();
    Transactions.createTransactionExecutor(txExecutorFactory, (TransactionAware) pfs).execute(new TransactionExecutor.Subroutine() {

        @Override
        public void apply() throws IOException {
            Map<PartitionKey, PartitionDetail> partitions = new HashMap<>();
            for (PartitionDetail partition : pfs.getPartitions(null)) {
                partitions.put(partition.getPartitionKey(), partition);
                // check that the mapreduce wrote the output partition metadata to all the output partitions
                Assert.assertEquals(AppWithMapReduceUsingAvroDynamicPartitioner.DynamicPartitioningMapReduce.METADATA, partition.getMetadata().asMap());
            }
            Assert.assertEquals(3, partitions.size());
            Assert.assertEquals(keyToRecordsMap.keySet(), partitions.keySet());
            // Check relative paths of the partitions. Also check that their location = pfs baseLocation + relativePath
            for (Map.Entry<PartitionKey, PartitionDetail> partitionKeyEntry : partitions.entrySet()) {
                PartitionDetail partitionDetail = partitionKeyEntry.getValue();
                String relativePath = partitionDetail.getRelativePath();
                int zip = (int) partitionKeyEntry.getKey().getField("zip");
                Assert.assertEquals(Long.toString(now) + Path.SEPARATOR + zip, relativePath);
                Assert.assertEquals(pfsBaseLocation.append(relativePath), partitionDetail.getLocation());
            }
            for (Map.Entry<PartitionKey, Collection<GenericRecord>> keyToRecordsEntry : keyToRecordsMap.asMap().entrySet()) {
                Set<GenericRecord> genericRecords = new HashSet<>(keyToRecordsEntry.getValue());
                Assert.assertEquals(genericRecords, readOutput(partitions.get(keyToRecordsEntry.getKey()).getLocation()));
            }
        }
    });
}

Example 2 with Notification

use of co.cask.cdap.proto.Notification in project cdap by caskdata.

the class MapReduceRunnerTestBase method getDataNotifications.

/**
   * Returns a list of {@link Notification} object fetched from the data event topic in TMS that was published
   * starting from the given time.
   */
protected List<Notification> getDataNotifications(long startTime) throws Exception {
    // Get data notifications from TMS
    List<Notification> notifications = new ArrayList<>();
    MessagingContext messagingContext = new MultiThreadMessagingContext(injector.getInstance(MessagingService.class));
    try (CloseableIterator<Message> messages = messagingContext.getMessageFetcher().fetch(NamespaceId.SYSTEM.getNamespace(), injector.getInstance(CConfiguration.class).get(Constants.Dataset.DATA_EVENT_TOPIC), 10, startTime)) {
        while (messages.hasNext()) {
            notifications.add(GSON.fromJson(new String(messages.next().getPayload(), StandardCharsets.UTF_8), Notification.class));
        }
    }
    return notifications;
}

Example 3 with Notification

use of co.cask.cdap.proto.Notification in project cdap by caskdata.

the class FileUploadServiceTestRun method testFileUploadService.

@Test
public void testFileUploadService() throws Exception {
    ApplicationManager appManager = deployApplication(FileUploadApp.class);
    // Start the service
    ServiceManager serviceManager = appManager.getServiceManager(FileUploadApp.SERVICE_NAME).start();
    try {
        // Upload URL is "base/upload/pfs/[partition_value], which the partition value is a long
        URI serviceURI = serviceManager.getServiceURL(10, TimeUnit.SECONDS).toURI();
        // Upload with wrong MD5, should get 400.
        byte[] content = Strings.repeat("0123456789 ", 100).getBytes(Charsets.UTF_8);
        Assert.assertEquals(HttpURLConnection.HTTP_BAD_REQUEST, upload(serviceURI.resolve("upload/" + FileUploadApp.PFS_NAME + "/1").toURL(), content, "123", 30));
        long beforeUploadTime = System.currentTimeMillis();
        // Upload with right MD5, should get 200
        Assert.assertEquals(HttpURLConnection.HTTP_OK, upload(serviceURI.resolve("upload/" + FileUploadApp.PFS_NAME + "/1").toURL(), content, BaseEncoding.base64().encode(Hashing.md5().hashBytes(content).asBytes()), 20));
        // Inspect the partitioned file set and verify the content
        PartitionedFileSet pfs = (PartitionedFileSet) getDataset(FileUploadApp.PFS_NAME).get();
        PartitionDetail partition = pfs.getPartition(PartitionKey.builder().addLongField("time", 1).build());
        Assert.assertNotNull(partition);
        // Verify a notification should have been published for the new partition
        List<Notification> notifications = getDataNotifications(beforeUploadTime);
        // Should have one message
        Assert.assertEquals(1, notifications.size());
        verifyDataNotification(notifications.get(0), NamespaceId.DEFAULT.dataset(FileUploadApp.PFS_NAME), Collections.singletonList(PartitionKey.builder().addLongField("time", 1L).build()));
        // There should be one file under the partition directory
        List<Location> locations = partition.getLocation().list();
        Assert.assertEquals(1, locations.size());
        Assert.assertArrayEquals(content, ByteStreams.toByteArray(Locations.newInputSupplier(locations.get(0))));
        // Verify the tracking table of chunks sizes
        KeyValueTable trackingTable = (KeyValueTable) getDataset(FileUploadApp.KV_TABLE_NAME).get();
        CloseableIterator<KeyValue<byte[], byte[]>> iter = trackingTable.scan(null, null);
        // Sum up all chunks sizes as being tracked by the tracking table.
        long sum = 0;
        int iterSize = 0;
        while (iter.hasNext()) {
            KeyValue<byte[], byte[]> kv = iter.next();
            sum += Bytes.toInt(kv.getKey()) * Bytes.toLong(kv.getValue());
            iterSize++;
        }
        // The iterator should have size >= 2, since we uses different chunk size for two different upload
        Assert.assertTrue(iterSize >= 2);
        // The sum of all chunks sizes should be the same as the
        // content size * 2 (since we have one failure, one success upload)
        Assert.assertEquals(content.length * 2, sum);
    } finally {
        serviceManager.stop();
    }
}

Example 4 with Notification

use of co.cask.cdap.proto.Notification in project cdap by caskdata.

the class ScheduleTaskPublisher method publishNotification.

/**
   * Publish notification for the triggered schedule
   *  @param notificationType type of the notification
   * @param scheduleId       {@link ScheduleId} of the triggered schedule
   * @param systemOverrides Arguments that would be supplied as system runtime arguments for the program.
   * @param userOverrides Arguments to add to the user runtime arguments for the program.
   */
public void publishNotification(Notification.Type notificationType, ScheduleId scheduleId, Map<String, String> systemOverrides, Map<String, String> userOverrides) throws Exception {
    Map<String, String> properties = new HashMap<>();
    properties.put(ProgramOptionConstants.SCHEDULE_ID, scheduleId.toString());
    properties.put(ProgramOptionConstants.SYSTEM_OVERRIDES, GSON.toJson(systemOverrides));
    properties.put(ProgramOptionConstants.USER_OVERRIDES, GSON.toJson(userOverrides));
    Notification notification = new Notification(notificationType, properties);
    messagingService.publish(StoreRequestBuilder.of(topicId).addPayloads(GSON.toJson(notification)).build());
}

Example 5 with Notification

use of co.cask.cdap.proto.Notification in project cdap by caskdata.

the class CoreSchedulerServiceTest method publishNotification.

private void publishNotification(TopicId topicId, ProgramId programId, String dataset) throws TopicNotFoundException, IOException, TransactionFailureException, AlreadyExistsException, BadRequestException {
    DatasetId datasetId = programId.getNamespaceId().dataset(dataset);
    PartitionKey partitionKey = PartitionKey.builder().addIntField("part1", 1).build();
    Notification notification = Notification.forPartitions(datasetId, ImmutableList.of(partitionKey));
    messagingService.publish(StoreRequestBuilder.of(topicId).addPayloads(GSON.toJson(notification)).build());
}