| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.fs.s3a; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.contract.AbstractFSContract; |
| import org.apache.hadoop.fs.contract.AbstractFSContractTestBase; |
| import org.apache.hadoop.fs.contract.ContractTestUtils; |
| import org.apache.hadoop.fs.contract.s3a.S3AContract; |
| import org.apache.hadoop.fs.s3a.tools.MarkerTool; |
| import org.apache.hadoop.fs.statistics.IOStatisticsSnapshot; |
| import org.apache.hadoop.fs.statistics.IOStatisticsContext; |
| import org.apache.hadoop.fs.store.audit.AuditSpan; |
| import org.apache.hadoop.fs.store.audit.AuditSpanSource; |
| import org.apache.hadoop.io.IOUtils; |
| |
| import org.junit.AfterClass; |
| import org.junit.Assume; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.dataset; |
| import static org.apache.hadoop.fs.contract.ContractTestUtils.writeDataset; |
| import static org.apache.hadoop.fs.s3a.S3ATestUtils.getTestPropertyBool; |
| import static org.apache.hadoop.fs.s3a.S3AUtils.E_FS_CLOSED; |
| import static org.apache.hadoop.fs.s3a.tools.MarkerTool.UNLIMITED_LISTING; |
| import static org.apache.hadoop.fs.statistics.IOStatisticsLogging.ioStatisticsToPrettyString; |
| import static org.apache.hadoop.fs.statistics.IOStatisticsSupport.snapshotIOStatistics; |
| |
| /** |
| * An extension of the contract test base set up for S3A tests. |
| */ |
| public abstract class AbstractS3ATestBase extends AbstractFSContractTestBase |
| implements S3ATestConstants { |
| protected static final Logger LOG = |
| LoggerFactory.getLogger(AbstractS3ATestBase.class); |
| |
| /** |
| * FileSystem statistics are collected across every test case. |
| */ |
| protected static final IOStatisticsSnapshot FILESYSTEM_IOSTATS = |
| snapshotIOStatistics(); |
| |
| /** |
| * Source of audit spans. |
| */ |
| private AuditSpanSource spanSource; |
| |
| /** |
| * Atomic references to be used to re-throw an Exception or an ASE |
| * caught inside a lambda function. |
| */ |
| private static final AtomicReference<Exception> FUTURE_EXCEPTION = |
| new AtomicReference<>(); |
| private static final AtomicReference<AssertionError> FUTURE_ASE = |
| new AtomicReference<>(); |
| |
| /** |
| * Get the source. |
| * @return span source |
| */ |
| protected AuditSpanSource getSpanSource() { |
| return spanSource; |
| } |
| |
| /** |
| * Set the span source. |
| * @param spanSource new value. |
| */ |
| protected void setSpanSource(final AuditSpanSource spanSource) { |
| this.spanSource = spanSource; |
| } |
| |
| @Override |
| protected AbstractFSContract createContract(Configuration conf) { |
| return new S3AContract(conf, false); |
| } |
| |
| @Override |
| public void setup() throws Exception { |
| Thread.currentThread().setName("setup"); |
| // force load the local FS -not because we want the FS, but we need all |
| // filesystems which add default configuration resources to do it before |
| // our tests start adding/removing options. See HADOOP-16626. |
| FileSystem.getLocal(new Configuration()); |
| // Force deprecated key load through the |
| // static initializers. See: HADOOP-17385 |
| S3AFileSystem.initializeClass(); |
| super.setup(); |
| setSpanSource(getFileSystem()); |
| // Reset the current context's thread IOStatistics.` |
| // this ensures that the context stats will always be from the test case |
| IOStatisticsContext.getCurrentIOStatisticsContext().reset(); |
| } |
| |
| @Override |
| public void teardown() throws Exception { |
| Thread.currentThread().setName("teardown"); |
| |
| maybeAuditTestPath(); |
| |
| super.teardown(); |
| if (getFileSystem() != null) { |
| FILESYSTEM_IOSTATS.aggregate(getFileSystem().getIOStatistics()); |
| } |
| describe("closing file system"); |
| IOUtils.closeStream(getFileSystem()); |
| } |
| |
| /** |
| * Dump the filesystem statistics after the class. |
| */ |
| @AfterClass |
| public static void dumpFileSystemIOStatistics() { |
| LOG.info("Aggregate FileSystem Statistics {}", |
| ioStatisticsToPrettyString(FILESYSTEM_IOSTATS)); |
| } |
| |
| /** |
| * Audit the FS under {@link #methodPath()} if |
| * the test option {@link #DIRECTORY_MARKER_AUDIT} is |
| * true. |
| */ |
| public void maybeAuditTestPath() { |
| final S3AFileSystem fs = getFileSystem(); |
| if (fs != null) { |
| try { |
| boolean audit = getTestPropertyBool(fs.getConf(), |
| DIRECTORY_MARKER_AUDIT, false); |
| Path methodPath = methodPath(); |
| if (audit |
| && !fs.getDirectoryMarkerPolicy() |
| .keepDirectoryMarkers(methodPath) |
| && fs.isDirectory(methodPath)) { |
| MarkerTool.ScanResult result = MarkerTool.execMarkerTool( |
| new MarkerTool.ScanArgsBuilder() |
| .withSourceFS(fs) |
| .withPath(methodPath) |
| .withDoPurge(true) |
| .withMinMarkerCount(0) |
| .withMaxMarkerCount(0) |
| .withLimit(UNLIMITED_LISTING) |
| .withNonAuth(false) |
| .build()); |
| final String resultStr = result.toString(); |
| assertEquals("Audit of " + methodPath + " failed: " |
| + resultStr, |
| 0, result.getExitCode()); |
| assertEquals("Marker Count under " + methodPath |
| + " non-zero: " + resultStr, |
| 0, result.getFilteredMarkerCount()); |
| } |
| } catch (FileNotFoundException ignored) { |
| } catch (Exception e) { |
| // If is this is not due to the FS being closed: log. |
| if (!e.toString().contains(E_FS_CLOSED)) { |
| LOG.warn("Marker Tool Failure", e); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected int getTestTimeoutMillis() { |
| return S3A_TEST_TIMEOUT; |
| } |
| |
| /** |
| * Create a configuration. |
| * @return a configuration |
| */ |
| @Override |
| protected Configuration createConfiguration() { |
| Configuration conf = super.createConfiguration(); |
| return S3ATestUtils.prepareTestConfiguration(conf); |
| } |
| |
| protected Configuration getConfiguration() { |
| return getContract().getConf(); |
| } |
| |
| /** |
| * Get the filesystem as an S3A filesystem. |
| * @return the typecast FS |
| */ |
| @Override |
| public S3AFileSystem getFileSystem() { |
| return (S3AFileSystem) super.getFileSystem(); |
| } |
| |
| /** |
| * Describe a test in the logs. |
| * @param text text to print |
| * @param args arguments to format in the printing |
| */ |
| protected void describe(String text, Object... args) { |
| LOG.info("\n\n{}: {}\n", |
| getMethodName(), |
| String.format(text, args)); |
| } |
| |
| /** |
| * Write a file, read it back, validate the dataset. Overwrites the file |
| * if it is present |
| * @param name filename (will have the test path prepended to it) |
| * @param len length of file |
| * @return the full path to the file |
| * @throws IOException any IO problem |
| */ |
| protected Path writeThenReadFile(String name, int len) throws IOException { |
| Path path = path(name); |
| writeThenReadFile(path, len); |
| return path; |
| } |
| |
| /** |
| * Write a file, read it back, validate the dataset. Overwrites the file |
| * if it is present |
| * @param path path to file |
| * @param len length of file |
| * @throws IOException any IO problem |
| */ |
| protected void writeThenReadFile(Path path, int len) throws IOException { |
| byte[] data = dataset(len, 'a', 'z'); |
| writeDataset(getFileSystem(), path, data, data.length, 1024 * 1024, true); |
| ContractTestUtils.verifyFileContents(getFileSystem(), path, data); |
| } |
| |
| /** |
| * Create a span from the source; returns a no-op if |
| * creation fails or the source is null. |
| * Uses the test method name for the span. |
| * @return a span. |
| */ |
| protected AuditSpan span() throws IOException { |
| return span(getSpanSource()); |
| } |
| |
| /** |
| * Create a span from the source; returns a no-op if |
| * creation fails or the source is null. |
| * Uses the test method name for the span. |
| * @param source source of spans; can be an S3A FS |
| * @return a span. |
| */ |
| protected AuditSpan span(AuditSpanSource source) throws IOException { |
| |
| return source.createSpan(getMethodName(), null, null); |
| } |
| |
| /** |
| * Method to assume that S3 client side encryption is disabled on a test. |
| */ |
| public void skipIfClientSideEncryption() { |
| Assume.assumeTrue("Skipping test if CSE is enabled", |
| !getFileSystem().isCSEEnabled()); |
| } |
| |
| /** |
| * If an exception is caught while doing some work in a Lambda function, |
| * store it in an atomic reference to be thrown later on. |
| * @param exception Exception caught. |
| */ |
| public static void setFutureException(Exception exception) { |
| FUTURE_EXCEPTION.set(exception); |
| } |
| |
| /** |
| * If an Assertion is caught while doing some work in a Lambda function, |
| * store it in an atomic reference to be thrown later on. |
| * |
| * @param ase Assertion Error caught. |
| */ |
| public static void setFutureAse(AssertionError ase) { |
| FUTURE_ASE.set(ase); |
| } |
| |
| /** |
| * throw the caught exception from the atomic reference and also clear the |
| * atomic reference so that we don't rethrow in another test. |
| * |
| * @throws Exception the exception caught. |
| */ |
| public static void maybeReThrowFutureException() throws Exception { |
| if (FUTURE_EXCEPTION.get() != null) { |
| Exception exceptionToThrow = FUTURE_EXCEPTION.get(); |
| // reset the atomic ref before throwing. |
| setFutureAse(null); |
| throw exceptionToThrow; |
| } |
| } |
| |
| /** |
| * throw the Assertion error from the atomic reference and also clear the |
| * atomic reference so that we don't rethrow in another test. |
| * |
| * @throws Exception Assertion error caught. |
| */ |
| public static void maybeReThrowFutureASE() throws Exception { |
| if (FUTURE_ASE.get() != null) { |
| AssertionError aseToThrow = FUTURE_ASE.get(); |
| // reset the atomic ref before throwing. |
| setFutureAse(null); |
| throw aseToThrow; |
| } |
| } |
| } |