Examples with Path org.apache.flink.core.fs.Path used on opensource projects

Example 1 with Path

use of org.apache.flink.core.fs.Path in project flink by apache.

the class FsNegativeRunningJobsRegistryTest method testSetFinishedAndRunning.

@Test
public void testSetFinishedAndRunning() throws Exception {
    final File folder = tempFolder.newFolder();
    final String uri = folder.toURI().toString();
    final JobID jid = new JobID();
    FsNegativeRunningJobsRegistry registry = new FsNegativeRunningJobsRegistry(new Path(uri));
    // set the job to finished and validate
    registry.setJobFinished(jid);
    assertEquals(JobSchedulingStatus.DONE, registry.getJobSchedulingStatus(jid));
    // set the job to running does not overwrite the finished status
    registry.setJobRunning(jid);
    assertEquals(JobSchedulingStatus.DONE, registry.getJobSchedulingStatus(jid));
    // another registry should pick this up
    FsNegativeRunningJobsRegistry otherRegistry = new FsNegativeRunningJobsRegistry(new Path(uri));
    assertEquals(JobSchedulingStatus.DONE, otherRegistry.getJobSchedulingStatus(jid));
    // clear the running and finished marker, it will be pending
    otherRegistry.clearJob(jid);
    assertEquals(JobSchedulingStatus.PENDING, registry.getJobSchedulingStatus(jid));
    assertEquals(JobSchedulingStatus.PENDING, otherRegistry.getJobSchedulingStatus(jid));
}

Example 2 with Path

use of org.apache.flink.core.fs.Path in project flink by apache.

the class FileCacheDeleteValidationTest method testFileReuseForNextTask.

@Test
public void testFileReuseForNextTask() {
    try {
        final JobID jobID = new JobID();
        final String fileName = "test_file";
        final String filePath = f.toURI().toString();
        // copy / create the file
        Future<Path> copyResult = fileCache.createTmpFile(fileName, new DistributedCacheEntry(filePath, false), jobID);
        copyResult.get();
        // get another reference to the file
        Future<Path> copyResult2 = fileCache.createTmpFile(fileName, new DistributedCacheEntry(filePath, false), jobID);
        // this should be available immediately
        assertTrue(copyResult2.isDone());
        // delete the file
        fileCache.deleteTmpFile(fileName, jobID);
        // file should not yet be deleted
        assertTrue(fileCache.holdsStillReference(fileName, jobID));
        // delete the second reference
        fileCache.deleteTmpFile(fileName, jobID);
        // file should still not be deleted, but remain for a bit
        assertTrue(fileCache.holdsStillReference(fileName, jobID));
        fileCache.createTmpFile(fileName, new DistributedCacheEntry(filePath, false), jobID);
        fileCache.deleteTmpFile(fileName, jobID);
        // after a while, the file should disappear
        long deadline = System.currentTimeMillis() + 20000;
        do {
            Thread.sleep(5500);
        } while (fileCache.holdsStillReference(fileName, jobID) && System.currentTimeMillis() < deadline);
        assertFalse(fileCache.holdsStillReference(fileName, jobID));
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }
}

Example 3 with Path

use of org.apache.flink.core.fs.Path in project flink by apache.

the class DataSourceITCase method testProgram.

@Override
protected void testProgram() throws Exception {
    /*
		 * Test passing a configuration object to an input format
		 */
    final ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
    Configuration ifConf = new Configuration();
    ifConf.setString("prepend", "test");
    DataSet<String> ds = env.createInput(new TestInputFormat(new Path(inputPath))).withParameters(ifConf);
    List<String> result = ds.collect();
    String expectedResult = "ab\n" + "cd\n" + "ef\n";
    compareResultAsText(result, expectedResult);
}

Example 4 with Path

use of org.apache.flink.core.fs.Path in project flink by apache.

the class MigrationV0ToV1Test method testSavepointMigrationV0ToV1.

/**
	 * Simple test of savepoint methods.
	 */
@Test
public void testSavepointMigrationV0ToV1() throws Exception {
    String target = tmp.getRoot().getAbsolutePath();
    assertEquals(0, tmp.getRoot().listFiles().length);
    long checkpointId = ThreadLocalRandom.current().nextLong(Integer.MAX_VALUE);
    int numTaskStates = 4;
    int numSubtaskStates = 16;
    Collection<org.apache.flink.migration.runtime.checkpoint.TaskState> expected = createTaskStatesOld(numTaskStates, numSubtaskStates);
    SavepointV0 savepoint = new SavepointV0(checkpointId, expected);
    assertEquals(SavepointV0.VERSION, savepoint.getVersion());
    assertEquals(checkpointId, savepoint.getCheckpointId());
    assertEquals(expected, savepoint.getOldTaskStates());
    assertFalse(savepoint.getOldTaskStates().isEmpty());
    Exception latestException = null;
    Path path = null;
    FSDataOutputStream fdos = null;
    FileSystem fs = null;
    try {
        // Try to create a FS output stream
        for (int attempt = 0; attempt < 10; attempt++) {
            path = new Path(target, FileUtils.getRandomFilename("savepoint-"));
            if (fs == null) {
                fs = FileSystem.get(path.toUri());
            }
            try {
                fdos = fs.create(path, false);
                break;
            } catch (Exception e) {
                latestException = e;
            }
        }
        if (fdos == null) {
            throw new IOException("Failed to create file output stream at " + path, latestException);
        }
        try (DataOutputStream dos = new DataOutputStream(fdos)) {
            dos.writeInt(SavepointStore.MAGIC_NUMBER);
            dos.writeInt(savepoint.getVersion());
            SavepointV0Serializer.INSTANCE.serializeOld(savepoint, dos);
        }
        ClassLoader cl = Thread.currentThread().getContextClassLoader();
        Savepoint sp = SavepointStore.loadSavepoint(path.toString(), cl);
        int t = 0;
        for (TaskState taskState : sp.getTaskStates()) {
            for (int p = 0; p < taskState.getParallelism(); ++p) {
                SubtaskState subtaskState = taskState.getState(p);
                ChainedStateHandle<StreamStateHandle> legacyOperatorState = subtaskState.getLegacyOperatorState();
                for (int c = 0; c < legacyOperatorState.getLength(); ++c) {
                    StreamStateHandle stateHandle = legacyOperatorState.get(c);
                    try (InputStream is = stateHandle.openInputStream()) {
                        Tuple4<Integer, Integer, Integer, Integer> expTestState = new Tuple4<>(0, t, p, c);
                        Tuple4<Integer, Integer, Integer, Integer> actTestState;
                        //check function state
                        if (p % 4 != 0) {
                            assertEquals(1, is.read());
                            actTestState = InstantiationUtil.deserializeObject(is, cl);
                            assertEquals(expTestState, actTestState);
                        } else {
                            assertEquals(0, is.read());
                        }
                        //check operator state
                        expTestState.f0 = 1;
                        actTestState = InstantiationUtil.deserializeObject(is, cl);
                        assertEquals(expTestState, actTestState);
                    }
                }
                //check keyed state
                KeyGroupsStateHandle keyGroupsStateHandle = subtaskState.getManagedKeyedState();
                if (t % 3 != 0) {
                    assertEquals(1, keyGroupsStateHandle.getNumberOfKeyGroups());
                    assertEquals(p, keyGroupsStateHandle.getGroupRangeOffsets().getKeyGroupRange().getStartKeyGroup());
                    ByteStreamStateHandle stateHandle = (ByteStreamStateHandle) keyGroupsStateHandle.getDelegateStateHandle();
                    HashMap<String, KvStateSnapshot<?, ?, ?, ?>> testKeyedState = MigrationInstantiationUtil.deserializeObject(stateHandle.getData(), cl);
                    assertEquals(2, testKeyedState.size());
                    for (KvStateSnapshot<?, ?, ?, ?> snapshot : testKeyedState.values()) {
                        MemValueState.Snapshot<?, ?, ?> castedSnapshot = (MemValueState.Snapshot<?, ?, ?>) snapshot;
                        byte[] data = castedSnapshot.getData();
                        assertEquals(t, data[0]);
                        assertEquals(p, data[1]);
                    }
                } else {
                    assertEquals(null, keyGroupsStateHandle);
                }
            }
            ++t;
        }
        savepoint.dispose();
    } finally {
        // Dispose
        SavepointStore.removeSavepointFile(path.toString());
    }
}

Example 5 with Path

use of org.apache.flink.core.fs.Path in project flink by apache.

the class SavepointStoreTest method testStoreExternalizedCheckpointsToSameDirectory.

/**
	 * Tests that multiple externalized checkpoints can be stored to the same
	 * directory.
	 */
@Test
public void testStoreExternalizedCheckpointsToSameDirectory() throws Exception {
    String root = tmp.newFolder().getAbsolutePath();
    FileSystem fs = FileSystem.get(new Path(root).toUri());
    // Store
    SavepointV1 savepoint = new SavepointV1(1929292, SavepointV1Test.createTaskStates(4, 24));
    FileStateHandle store1 = SavepointStore.storeExternalizedCheckpointToHandle(root, savepoint);
    fs.exists(store1.getFilePath());
    assertTrue(store1.getFilePath().getPath().contains(SavepointStore.EXTERNALIZED_CHECKPOINT_METADATA_FILE));
    FileStateHandle store2 = SavepointStore.storeExternalizedCheckpointToHandle(root, savepoint);
    fs.exists(store2.getFilePath());
    assertTrue(store2.getFilePath().getPath().contains(SavepointStore.EXTERNALIZED_CHECKPOINT_METADATA_FILE));
}