e221231e81
This adds borad support for Amazon S3 Express One Zone to the S3A connector, particularly resilience of other parts of the codebase to LIST operations returning paths under which only in-progress uploads are taking place. hadoop-common and hadoop-mapreduce treewalking routines all cope with this; distcp is left alone. There are still some outstanding followup issues, and we expect more to surface with extended use. Contains HADOOP-18955. AWS SDK v2: add path capability probe "fs.s3a.capability.aws.v2 * lets us probe for AWS SDK version * bucket-info reports it Contains HADOOP-18961 S3A: add s3guard command "bucket" hadoop s3guard bucket -create -region us-west-2 -zone usw2-az2 \ s3a://stevel--usw2-az2--x-s3/ * requires -zone if bucket is zonal * rejects it if not * rejects zonal bucket suffixes if endpoint is not aws (safety feature) * imperfect, but a functional starting point. New path capability "fs.s3a.capability.zonal.storage" * Used in tests to determine whether pending uploads manifest paths * cli tests can probe for this * bucket-info reports it * some tests disable/change assertions as appropriate ---- Shell commands fail on S3Express buckets if pending uploads. New path capability in hadoop-common "fs.capability.directory.listing.inconsistent" 1. S3AFS returns true on a S3 Express bucket 2. FileUtil.maybeIgnoreMissingDirectory(fs, path, fnfe) decides whether to swallow the exception or not. 3. This is used in: Shell, FileInputFormat, LocatedFileStatusFetcher Fixes with tests * fs -ls -R * fs -du * fs -df * fs -find * S3AFS.getContentSummary() (maybe...should discuss) * mapred LocatedFileStatusFetcher * Globber, HADOOP-15478 already fixed that when dealing with S3 inconsistencies * FileInputFormat S3Express CreateSession request is permitted outside audit spans. S3 Bulk Delete calls request the store to return the list of deleted objects if RequestFactoryImpl is set to trace. log4j.logger.org.apache.hadoop.fs.s3a.impl.RequestFactoryImpl=TRACE Test Changes * ITestS3AMiscOperations removes all tests which require unencrypted buckets. AWS S3 defaults to SSE-S3 everywhere. * ITestBucketTool to test new tool without actually creating new buckets. * S3ATestUtils add methods to skip test suites/cases if store is/is not S3Express * Cutting down on "is this a S3Express bucket" logic to trailing --x-s3 string and not worrying about AZ naming logic. commented out relevant tests. * ITestTreewalkProblems validated against standard and S3Express stores Outstanding * Distcp: tests show it fails. Proposed: release notes. --- x-amz-checksum header not found when signing S3Express messages This modifies the custom signer in ITestCustomSigner to be a subclass of AwsS3V4Signer with a goal of preventing signing problems with S3 Express stores. ---- RemoteFileChanged renaming multipart file Maps 412 status code to RemoteFileChangedException Modifies huge file tests -Adds a check on etag match for stat vs list -ITestS3AHugeFilesByteBufferBlocks renames parent dirs, rather than files, to replicate distcp better. ---- S3Express custom Signing cannot handle bulk delete Copy custom signer into production JAR, so enable downstream testing Extend ITestCustomSigner to cover more filesystem operations - PUT - POST - COPY - LIST - Bulk delete through delete() and rename() - list + abort multipart uploads Suite is parameterized on bulk delete enabled/disabled. To use the new signer for a full test run: <property> <name>fs.s3a.custom.signers</name> <value>CustomSdkSigner:org.apache.hadoop.fs.s3a.auth.CustomSdkSigner</value> </property> <property> <name>fs.s3a.s3.signing-algorithm</name> <value>CustomSdkSigner</value> </property> |
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