From b82a0fa9e6c5010c53931d73737a77f5bf30b639 Mon Sep 17 00:00:00 2001 From: Mehakmeet Singh Date: Mon, 24 May 2021 17:38:45 +0530 Subject: [PATCH] HADOOP-17705. S3A to add Config to set AWS region (#3020) The option `fs.s3a.endpoint.region` can be used to explicitly set the AWS region of a bucket. This is needed when using AWS Private Link, as the region cannot be automatically determined. Contributed by Mehakmeet Singh Change-Id: I4b52f85d7af0ddd56b2b0505ac0124d4fcc67ca0 --- .../org/apache/hadoop/fs/s3a/Constants.java | 6 ++ .../hadoop/fs/s3a/DefaultS3ClientFactory.java | 31 ++++--- .../site/markdown/tools/hadoop-aws/index.md | 8 ++ .../tools/hadoop-aws/troubleshooting_s3a.md | 26 ++++++ .../hadoop/fs/s3a/ITestS3AEndpointRegion.java | 91 +++++++++++++++++++ .../fs/s3a/impl/TestNetworkBinding.java | 2 +- 6 files changed, 150 insertions(+), 14 deletions(-) create mode 100644 hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEndpointRegion.java diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java index f6900cb1c8e..8dc6bba1cce 100644 --- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java +++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/Constants.java @@ -1081,4 +1081,10 @@ public final class Constants { */ public static final String XA_HEADER_PREFIX = "header."; + /** + * AWS S3 region for the bucket. When set bypasses the construction of + * region through endpoint url. + */ + public static final String AWS_REGION = "fs.s3a.endpoint.region"; + } diff --git a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/DefaultS3ClientFactory.java b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/DefaultS3ClientFactory.java index ae50bd1459b..6e84497cb99 100644 --- a/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/DefaultS3ClientFactory.java +++ b/hadoop-tools/hadoop-aws/src/main/java/org/apache/hadoop/fs/s3a/DefaultS3ClientFactory.java @@ -42,6 +42,7 @@ import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.conf.Configured; import org.apache.hadoop.fs.s3a.statistics.impl.AwsStatisticsCollector; +import static org.apache.hadoop.fs.s3a.Constants.AWS_REGION; import static org.apache.hadoop.fs.s3a.Constants.EXPERIMENTAL_AWS_INTERNAL_THROTTLING; import static org.apache.hadoop.fs.s3a.Constants.EXPERIMENTAL_AWS_INTERNAL_THROTTLING_DEFAULT; @@ -132,7 +133,7 @@ public class DefaultS3ClientFactory extends Configured // endpoint set up is a PITA AwsClientBuilder.EndpointConfiguration epr = createEndpointConfiguration(parameters.getEndpoint(), - awsConf); + awsConf, getConf().getTrimmed(AWS_REGION)); if (epr != null) { // an endpoint binding was constructed: use it. b.withEndpointConfiguration(epr); @@ -197,12 +198,14 @@ public class DefaultS3ClientFactory extends Configured * * @param endpoint possibly null endpoint. * @param awsConf config to build the URI from. + * @param awsRegion AWS S3 Region if the corresponding config is set. * @return a configuration for the S3 client builder. */ @VisibleForTesting public static AwsClientBuilder.EndpointConfiguration createEndpointConfiguration( - final String endpoint, final ClientConfiguration awsConf) { + final String endpoint, final ClientConfiguration awsConf, + String awsRegion) { LOG.debug("Creating endpoint configuration for {}", endpoint); if (endpoint == null || endpoint.isEmpty()) { // the default endpoint...we should be using null at this point. @@ -212,17 +215,19 @@ public class DefaultS3ClientFactory extends Configured final URI epr = RuntimeHttpUtils.toUri(endpoint, awsConf); LOG.debug("Endpoint URI = {}", epr); - - String region; - if (!ServiceUtils.isS3USStandardEndpoint(endpoint)) { - LOG.debug("Endpoint {} is not the default; parsing", epr); - region = AwsHostNameUtils.parseRegion( - epr.getHost(), - S3_SERVICE_NAME); - } else { - // US-east, set region == null. - LOG.debug("Endpoint {} is the standard one; declare region as null", epr); - region = null; + String region = awsRegion; + if (StringUtils.isBlank(region)) { + if (!ServiceUtils.isS3USStandardEndpoint(endpoint)) { + LOG.debug("Endpoint {} is not the default; parsing", epr); + region = AwsHostNameUtils.parseRegion( + epr.getHost(), + S3_SERVICE_NAME); + } else { + // US-east, set region == null. + LOG.debug("Endpoint {} is the standard one; declare region as null", + epr); + region = null; + } } LOG.debug("Region for endpoint {}, URI {} is determined as {}", endpoint, epr, region); diff --git a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md index 9258c47c0d8..c68c57d9561 100644 --- a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md +++ b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md @@ -797,6 +797,14 @@ options are covered in [Testing](./testing.md). + + fs.s3a.endpoint.region + AWS S3 region for a bucket, which bypasses the parsing of + fs.s3a.endpoint to know the region. Would be helpful in avoiding errors + while using privateLink URL and explicitly set the bucket region. + + + fs.s3a.path.style.access false diff --git a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/troubleshooting_s3a.md b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/troubleshooting_s3a.md index 661dd2f36ad..d91607d3fd1 100644 --- a/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/troubleshooting_s3a.md +++ b/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/troubleshooting_s3a.md @@ -247,6 +247,32 @@ As an example, the endpoint for S3 Frankfurt is `s3.eu-central-1.amazonaws.com`: s3.eu-central-1.amazonaws.com ``` +### "Authorization Header is Malformed"(400) exception when PrivateLink URL is used in "fs.s3a.endpoint" + +When [PrivateLink](https://docs.aws.amazon.com/AmazonS3/latest/userguide/privatelink-interface-endpoints.html) URL +is used instead of standard s3a endpoint, it returns "authorization +header is malformed" exception. So, if we set fs.s3a.endpoint=bucket.vpce +-.s3.ca-central-1.vpce.amazonaws.com and make s3 calls we get: +``` +com.amazonaws.services.s3.model.AmazonS3Exception: The authorization header is malformed; the region 'vpce' is wrong; expecting 'ca-central-1' +(Service: Amazon S3; Status Code: 400; Error Code: AuthorizationHeaderMalformed; Request ID: req-id; S3 Extended Request ID: req-id-2), S3 Extended Request ID: req-id-2:AuthorizationHeaderMalformed: The authorization +header is malformed; the region 'vpce' is wrong; expecting 'ca-central-1' (Service: Amazon S3; Status Code: 400; Error Code: AuthorizationHeaderMalformed; Request ID: req-id; +``` +Cause: + +Since, endpoint parsing is done in a way that it assumes the AWS S3 region +would be the 2nd component of the `fs.s3a.endpoint` URL delimited by ".", in +case of PrivateLink URL, it can't figure out the region and throws an +authorization exception. Thus, to add support to using PrivateLink URLs we use `fs.s3a.endpoint.region` +to set the region and bypass this parsing of `fs.s3a.endpoint`, in the case shown above to make it work we'll set the AWS +S3 region as `ca-central-1`. + +```xml + + fs.s3a.endpoint.region + ca-central-1 + +``` ### `Class does not implement AWSCredentialsProvider` diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEndpointRegion.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEndpointRegion.java new file mode 100644 index 00000000000..abd637a5240 --- /dev/null +++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3AEndpointRegion.java @@ -0,0 +1,91 @@ +/* + * 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 com.amazonaws.ClientConfiguration; +import com.amazonaws.client.builder.AwsClientBuilder; +import com.amazonaws.util.AwsHostNameUtils; +import org.assertj.core.api.Assertions; +import org.junit.Test; + +import static org.apache.hadoop.fs.s3a.Constants.AWS_REGION; + +/** + * Test to check correctness of S3A endpoint regions in + * {@link DefaultS3ClientFactory}. + */ +public class ITestS3AEndpointRegion extends AbstractS3ATestBase { + + private static final String AWS_REGION_TEST = "test-region"; + private static final String AWS_ENDPOINT_TEST = "test-endpoint"; + private static final String AWS_ENDPOINT_TEST_WITH_REGION = + "test-endpoint.some-region.amazonaws.com"; + + /** + * Test to verify that setting a region with the config would bypass the + * construction of region from endpoint. + */ + @Test + public void testWithRegionConfig() { + getFileSystem().getConf().set(AWS_REGION, AWS_REGION_TEST); + + //Creating an endpoint config with a custom endpoint. + AwsClientBuilder.EndpointConfiguration epr = createEpr(AWS_ENDPOINT_TEST, + getFileSystem().getConf().getTrimmed(AWS_REGION)); + //Checking if setting region config bypasses the endpoint region. + Assertions.assertThat(epr.getSigningRegion()) + .describedAs("There is a region mismatch") + .isEqualTo(getFileSystem().getConf().get(AWS_REGION)); + } + + /** + * Test to verify that not setting the region config, would lead to using + * endpoint to construct the region. + */ + @Test + public void testWithoutRegionConfig() { + getFileSystem().getConf().unset(AWS_REGION); + + //Creating an endpoint config with a custom endpoint containing a region. + AwsClientBuilder.EndpointConfiguration eprRandom = + createEpr(AWS_ENDPOINT_TEST_WITH_REGION, + getFileSystem().getConf().getTrimmed(AWS_REGION)); + String regionFromEndpoint = + AwsHostNameUtils + .parseRegionFromAwsPartitionPattern(AWS_ENDPOINT_TEST_WITH_REGION); + //Checking if not setting region config leads to constructing the region + // from endpoint. + Assertions.assertThat(eprRandom.getSigningRegion()) + .describedAs("There is a region mismatch") + .isNotEqualTo(getFileSystem().getConf().get(AWS_REGION)) + .isEqualTo(regionFromEndpoint); + } + + /** + * Method to create EndpointConfiguration using an endpoint. + * + * @param endpoint the endpoint to be used for EndpointConfiguration creation. + * @return an instance of EndpointConfiguration. + */ + private AwsClientBuilder.EndpointConfiguration createEpr(String endpoint, + String awsRegion) { + return DefaultS3ClientFactory.createEndpointConfiguration(endpoint, + new ClientConfiguration(), awsRegion); + } +} diff --git a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestNetworkBinding.java b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestNetworkBinding.java index 10fe339174f..7f51d2b4536 100644 --- a/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestNetworkBinding.java +++ b/hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/impl/TestNetworkBinding.java @@ -85,7 +85,7 @@ public class TestNetworkBinding extends AbstractHadoopTestBase { final boolean expectNull, final String expectRegion) { AwsClientBuilder.EndpointConfiguration epr = - createEndpointConfiguration(src, new ClientConfiguration()); + createEndpointConfiguration(src, new ClientConfiguration(), src); String eprStr = epr == null ? "(empty)" : ("(" + epr.getServiceEndpoint() + " " + epr.getSigningRegion());