| /* |
| * 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.contract.s3a; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.contract.AbstractContractRootDirectoryTest; |
| import org.apache.hadoop.fs.contract.AbstractFSContract; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static org.apache.hadoop.fs.s3a.S3ATestUtils.maybeEnableS3Guard; |
| |
| /** |
| * root dir operations against an S3 bucket. |
| */ |
| public class ITestS3AContractRootDir extends |
| AbstractContractRootDirectoryTest { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(ITestS3AContractRootDir.class); |
| |
| /** |
| * Create a configuration, possibly patching in S3Guard options. |
| * @return a configuration |
| */ |
| @Override |
| protected Configuration createConfiguration() { |
| Configuration conf = super.createConfiguration(); |
| // patch in S3Guard options |
| maybeEnableS3Guard(conf); |
| return conf; |
| } |
| |
| @Override |
| protected AbstractFSContract createContract(Configuration conf) { |
| return new S3AContract(conf); |
| } |
| |
| @Override |
| public void testListEmptyRootDirectory() throws IOException { |
| for (int attempt = 1, maxAttempts = 10; attempt <= maxAttempts; ++attempt) { |
| try { |
| super.testListEmptyRootDirectory(); |
| break; |
| } catch (AssertionError | FileNotFoundException e) { |
| if (attempt < maxAttempts) { |
| LOG.info("Attempt {} of {} for empty root directory test failed. " |
| + "This is likely caused by eventual consistency of S3 " |
| + "listings. Attempting retry.", attempt, maxAttempts); |
| try { |
| Thread.sleep(1000); |
| } catch (InterruptedException e2) { |
| Thread.currentThread().interrupt(); |
| fail("Test interrupted."); |
| break; |
| } |
| } else { |
| LOG.error( |
| "Empty root directory test failed {} attempts. Failing test.", |
| maxAttempts); |
| throw e; |
| } |
| } |
| } |
| } |
| } |