lefebsy commented on code in PR #389: URL: https://github.com/apache/polaris/pull/389#discussion_r1889844516
########## polaris-core/src/main/java/org/apache/polaris/core/storage/s3compatible/S3CompatibleCredentialsStorageIntegration.java: ########## @@ -0,0 +1,164 @@ +/* + * 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.polaris.core.storage.s3compatible; + +import java.net.URI; +import java.util.EnumMap; +import java.util.Set; +import org.apache.polaris.core.PolarisDiagnostics; +import org.apache.polaris.core.storage.InMemoryStorageIntegration; +import org.apache.polaris.core.storage.PolarisCredentialProperty; +import org.apache.polaris.core.storage.s3compatible.S3CompatibleStorageConfigurationInfo.CredsCatalogAndClientStrategyEnum; +import org.jetbrains.annotations.NotNull; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import software.amazon.awssdk.auth.credentials.AwsBasicCredentials; +import software.amazon.awssdk.auth.credentials.StaticCredentialsProvider; +import software.amazon.awssdk.regions.Region; +import software.amazon.awssdk.services.sts.StsClient; +import software.amazon.awssdk.services.sts.StsClientBuilder; +import software.amazon.awssdk.services.sts.model.AssumeRoleRequest; +import software.amazon.awssdk.services.sts.model.AssumeRoleResponse; + +/** Credential vendor that supports generating */ +public class S3CompatibleCredentialsStorageIntegration + extends InMemoryStorageIntegration<S3CompatibleStorageConfigurationInfo> { + private static final Logger LOGGER = + LoggerFactory.getLogger(S3CompatibleCredentialsStorageIntegration.class); + private StsClient stsClient; + + public S3CompatibleCredentialsStorageIntegration() { + super(S3CompatibleCredentialsStorageIntegration.class.getName()); + } + + public void createStsClient(S3CompatibleStorageConfigurationInfo s3storageConfig) { + + LOGGER.debug("S3Compatible - createStsClient()"); + StsClientBuilder stsBuilder = software.amazon.awssdk.services.sts.StsClient.builder(); + stsBuilder.region( + Region + .US_WEST_1); // default region to avoid bug, because most (all?) S3 compatible softwares + // do not care about regions + stsBuilder.endpointOverride( + URI.create( + s3storageConfig + .getS3Endpoint())); // S3Compatible - AWS STS endpoint is unique and different from + // the S3 Endpoint + stsBuilder.credentialsProvider( + StaticCredentialsProvider.create( + AwsBasicCredentials.create( + s3storageConfig.getS3CredentialsCatalogAccessKeyId(), + s3storageConfig.getS3CredentialsCatalogSecretAccessKey()))); + this.stsClient = stsBuilder.build(); + LOGGER.debug("S3Compatible - stsClient successfully built"); + } + + /** {@inheritDoc} */ + @Override + public EnumMap<PolarisCredentialProperty, String> getSubscopedCreds( + @NotNull PolarisDiagnostics diagnostics, + @NotNull S3CompatibleStorageConfigurationInfo storageConfig, + boolean allowListOperation, + @NotNull Set<String> allowedReadLocations, + @NotNull Set<String> allowedWriteLocations) { + + LOGGER.debug("S3Compatible - getSubscopedCreds - applying credential strategy"); + EnumMap<PolarisCredentialProperty, String> propertiesMap = + new EnumMap<>(PolarisCredentialProperty.class); + propertiesMap.put(PolarisCredentialProperty.AWS_ENDPOINT, storageConfig.getS3Endpoint()); + propertiesMap.put( + PolarisCredentialProperty.AWS_PATH_STYLE_ACCESS, + storageConfig.getS3PathStyleAccess().toString()); + + switch (storageConfig.getCredsVendingStrategy()) { + case KEYS_SAME_AS_CATALOG: + if (storageConfig.getCredsCatalogAndClientStrategy() + == CredsCatalogAndClientStrategyEnum.ENV_VAR_NAME) { + String cai = System.getenv(storageConfig.getS3CredentialsCatalogAccessKeyId()); + String cas = System.getenv(storageConfig.getS3CredentialsCatalogSecretAccessKey()); + if (cai == null || cas == null) { + throw new IllegalArgumentException( + "Expect valid environment variable for catalog keys"); + } else { + propertiesMap.put(PolarisCredentialProperty.AWS_KEY_ID, cai); + propertiesMap.put(PolarisCredentialProperty.AWS_SECRET_KEY, cas); + } + } else { + propertiesMap.put( + PolarisCredentialProperty.AWS_KEY_ID, + storageConfig.getS3CredentialsCatalogAccessKeyId()); + propertiesMap.put( + PolarisCredentialProperty.AWS_SECRET_KEY, + storageConfig.getS3CredentialsCatalogSecretAccessKey()); + } + break; + + case KEYS_DEDICATED_TO_CLIENT: + if (storageConfig.getCredsCatalogAndClientStrategy() + == CredsCatalogAndClientStrategyEnum.ENV_VAR_NAME) { + String cli = System.getenv(storageConfig.getS3CredentialsClientAccessKeyId()); + String cls = System.getenv(storageConfig.getS3CredentialsClientSecretAccessKey()); Review Comment: DefaultCredentialsProvider : done -- This is an automated message from the Apache Git Service. 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