Azure: Support vended credentials refresh in ADLSFileIO. #11577
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * 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.iceberg.azure.adlsv2; | ||
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| import com.azure.core.credential.AccessToken; | ||
| import com.azure.core.credential.SimpleTokenCache; | ||
| import java.io.IOException; | ||
| import java.io.Serializable; | ||
| import java.io.UncheckedIOException; | ||
| import java.time.Instant; | ||
| import java.time.ZoneOffset; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
| import org.apache.iceberg.CatalogProperties; | ||
| import org.apache.iceberg.azure.AzureProperties; | ||
| import org.apache.iceberg.io.CloseableGroup; | ||
| import org.apache.iceberg.relocated.com.google.common.base.Preconditions; | ||
| import org.apache.iceberg.relocated.com.google.common.collect.Maps; | ||
| import org.apache.iceberg.rest.ErrorHandlers; | ||
| import org.apache.iceberg.rest.HTTPClient; | ||
| import org.apache.iceberg.rest.RESTClient; | ||
| import org.apache.iceberg.rest.auth.AuthManager; | ||
| import org.apache.iceberg.rest.auth.AuthManagers; | ||
| import org.apache.iceberg.rest.auth.AuthSession; | ||
| import org.apache.iceberg.rest.credentials.Credential; | ||
| import org.apache.iceberg.rest.responses.LoadCredentialsResponse; | ||
| import org.apache.iceberg.util.SerializableMap; | ||
| import reactor.core.publisher.Mono; | ||
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| public class VendedAdlsCredentialProvider implements Serializable, AutoCloseable { | ||
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| public static final String URI = "credentials.uri"; | ||
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| private final SerializableMap<String, String> properties; | ||
| private final String credentialsEndpoint; | ||
| private final String catalogEndpoint; | ||
| private transient volatile Map<String, SimpleTokenCache> sasCredentialByAccount; | ||
| private transient volatile HTTPClient client; | ||
| private transient AuthManager authManager; | ||
| private transient AuthSession authSession; | ||
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| public VendedAdlsCredentialProvider(Map<String, String> properties) { | ||
| Preconditions.checkArgument(null != properties, "Invalid properties: null"); | ||
| Preconditions.checkArgument(null != properties.get(URI), "Invalid credentials endpoint: null"); | ||
| Preconditions.checkArgument( | ||
| null != properties.get(CatalogProperties.URI), "Invalid catalog endpoint: null"); | ||
| this.properties = SerializableMap.copyOf(properties); | ||
| this.credentialsEndpoint = properties.get(URI); | ||
| this.catalogEndpoint = properties.get(CatalogProperties.URI); | ||
| } | ||
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| String credentialForAccount(String storageAccount) { | ||
| return sasCredentialByAccount() | ||
| .computeIfAbsent( | ||
| storageAccount, | ||
| ignored -> | ||
| new SimpleTokenCache( | ||
| () -> Mono.fromSupplier(() -> sasTokenForAccount(storageAccount)))) | ||
| .getToken() | ||
| .map(AccessToken::getToken) | ||
| .block(); | ||
| } | ||
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| private AccessToken sasTokenForAccount(String storageAccount) { | ||
| LoadCredentialsResponse response = fetchCredentials(); | ||
| List<Credential> adlsCredentials = | ||
| response.credentials().stream() | ||
| .filter(c -> c.prefix().contains(storageAccount)) | ||
| .collect(Collectors.toList()); | ||
| Preconditions.checkState( | ||
| !adlsCredentials.isEmpty(), | ||
| String.format("Invalid ADLS Credentials for storage-account %s: empty", storageAccount)); | ||
| Preconditions.checkState( | ||
| adlsCredentials.size() == 1, | ||
| "Invalid ADLS Credentials: only one ADLS credential should exist per storage-account"); | ||
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| Credential adlsCredential = adlsCredentials.get(0); | ||
| checkCredential(adlsCredential, AzureProperties.ADLS_SAS_TOKEN_PREFIX + storageAccount); | ||
| checkCredential( | ||
| adlsCredential, AzureProperties.ADLS_SAS_TOKEN_EXPIRES_AT_MS_PREFIX + storageAccount); | ||
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| String sasToken = | ||
| adlsCredential.config().get(AzureProperties.ADLS_SAS_TOKEN_PREFIX + storageAccount); | ||
| Instant tokenExpiresAt = | ||
| Instant.ofEpochMilli( | ||
| Long.parseLong( | ||
| adlsCredential | ||
| .config() | ||
| .get(AzureProperties.ADLS_SAS_TOKEN_EXPIRES_AT_MS_PREFIX + storageAccount))); | ||
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| return new AccessToken(sasToken, tokenExpiresAt.atOffset(ZoneOffset.UTC)); | ||
| } | ||
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| private Map<String, SimpleTokenCache> sasCredentialByAccount() { | ||
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| if (this.sasCredentialByAccount == null) { | ||
| synchronized (this) { | ||
| if (this.sasCredentialByAccount == null) { | ||
| this.sasCredentialByAccount = Maps.newHashMap(); | ||
| } | ||
| } | ||
| } | ||
| return this.sasCredentialByAccount; | ||
| } | ||
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| private RESTClient httpClient() { | ||
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| if (null == client) { | ||
| synchronized (this) { | ||
| if (null == client) { | ||
| authManager = AuthManagers.loadAuthManager("adls-credentials-refresh", properties); | ||
| HTTPClient httpClient = HTTPClient.builder(properties).uri(catalogEndpoint).build(); | ||
| authSession = authManager.catalogSession(httpClient, properties); | ||
| client = httpClient.withAuthSession(authSession); | ||
| } | ||
| } | ||
| } | ||
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| return client; | ||
| } | ||
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| private LoadCredentialsResponse fetchCredentials() { | ||
| return httpClient() | ||
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| .get( | ||
| credentialsEndpoint, | ||
| null, | ||
| LoadCredentialsResponse.class, | ||
| Map.of(), | ||
| ErrorHandlers.defaultErrorHandler()); | ||
| } | ||
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| private void checkCredential(Credential credential, String property) { | ||
| Preconditions.checkState( | ||
| credential.config().containsKey(property), | ||
| "Invalid ADLS Credentials: %s not set", | ||
| property); | ||
| } | ||
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| @Override | ||
| public void close() { | ||
| CloseableGroup closeableGroup = new CloseableGroup(); | ||
| closeableGroup.addCloseable(authSession); | ||
| closeableGroup.addCloseable(authManager); | ||
| closeableGroup.addCloseable(client); | ||
| closeableGroup.setSuppressCloseFailure(true); | ||
| try { | ||
| closeableGroup.close(); | ||
| } catch (IOException e) { | ||
| throw new UncheckedIOException("Failed to close the VendedAdlsCredentialProvider", e); | ||
| } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * 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.iceberg.azure.adlsv2; | ||
|
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| import com.azure.core.credential.AzureSasCredential; | ||
| import com.azure.core.http.HttpPipelineCallContext; | ||
| import com.azure.core.http.HttpPipelineNextPolicy; | ||
| import com.azure.core.http.HttpPipelineNextSyncPolicy; | ||
| import com.azure.core.http.HttpResponse; | ||
| import com.azure.core.http.policy.AzureSasCredentialPolicy; | ||
| import com.azure.core.http.policy.HttpPipelinePolicy; | ||
| import reactor.core.publisher.Mono; | ||
|
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| class VendedAzureSasCredentialPolicy implements HttpPipelinePolicy { | ||
| private final String account; | ||
| private final VendedAdlsCredentialProvider vendedAdlsCredentialProvider; | ||
| private AzureSasCredential azureSasCredential; | ||
| private AzureSasCredentialPolicy azureSasCredentialPolicy; | ||
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| VendedAzureSasCredentialPolicy( | ||
| String account, VendedAdlsCredentialProvider vendedAdlsCredentialProvider) { | ||
| this.account = account; | ||
| this.vendedAdlsCredentialProvider = vendedAdlsCredentialProvider; | ||
| } | ||
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| @Override | ||
| public Mono<HttpResponse> process( | ||
| HttpPipelineCallContext httpPipelineCallContext, | ||
| HttpPipelineNextPolicy httpPipelineNextPolicy) { | ||
| maybeUpdateCredential(); | ||
| return azureSasCredentialPolicy.process(httpPipelineCallContext, httpPipelineNextPolicy); | ||
| } | ||
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| @Override | ||
| public HttpResponse processSync( | ||
| HttpPipelineCallContext context, HttpPipelineNextSyncPolicy next) { | ||
| maybeUpdateCredential(); | ||
| return azureSasCredentialPolicy.processSync(context, next); | ||
| } | ||
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| private void maybeUpdateCredential() { | ||
| String sasToken = vendedAdlsCredentialProvider.credentialForAccount(account); | ||
| if (azureSasCredential == null) { | ||
| this.azureSasCredential = new AzureSasCredential(sasToken); | ||
| this.azureSasCredentialPolicy = new AzureSasCredentialPolicy(azureSasCredential, false); | ||
| } else { | ||
| azureSasCredential.update(sasToken); | ||
| } | ||
| } | ||
| } |
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