[ 
https://issues.apache.org/jira/browse/HADOOP-17536?focusedWorklogId=576757&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-576757
 ]

ASF GitHub Bot logged work on HADOOP-17536:
-------------------------------------------

                Author: ASF GitHub Bot
            Created on: 05/Apr/21 09:15
            Start Date: 05/Apr/21 09:15
    Worklog Time Spent: 10m 
      Work Description: snvijaya commented on a change in pull request #2707:
URL: https://github.com/apache/hadoop/pull/2707#discussion_r606997996



##########
File path: 
hadoop-tools/hadoop-azure/src/test/java/org/apache/hadoop/fs/azurebfs/ITestCustomerProvidedKey.java
##########
@@ -0,0 +1,995 @@
+/**
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.azurebfs;
+
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.nio.CharBuffer;
+import java.nio.charset.CharacterCodingException;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.EnumSet;
+import java.util.Hashtable;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Random;
+
+import org.assertj.core.api.Assertions;
+import org.junit.Assume;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import org.apache.hadoop.fs.FSDataInputStream;
+import org.apache.hadoop.fs.FileStatus;
+import org.apache.hadoop.fs.XAttrSetFlag;
+import org.apache.hadoop.test.LambdaTestUtils;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FSDataOutputStream;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.fs.azurebfs.constants.AbfsHttpConstants;
+import 
org.apache.hadoop.fs.azurebfs.contracts.services.AppendRequestParameters;
+import 
org.apache.hadoop.fs.azurebfs.contracts.services.AppendRequestParameters.Mode;
+import org.apache.hadoop.fs.azurebfs.services.AuthType;
+import org.apache.hadoop.fs.azurebfs.services.AbfsAclHelper;
+import org.apache.hadoop.fs.azurebfs.services.AbfsClient;
+import org.apache.hadoop.fs.azurebfs.services.AbfsHttpHeader;
+import org.apache.hadoop.fs.azurebfs.services.AbfsRestOperation;
+import org.apache.hadoop.fs.azurebfs.utils.Base64;
+import org.apache.hadoop.fs.permission.AclEntry;
+import org.apache.hadoop.fs.permission.FsAction;
+import org.apache.hadoop.fs.permission.FsPermission;
+import org.apache.hadoop.thirdparty.com.google.common.base.Preconditions;
+import org.apache.hadoop.thirdparty.com.google.common.collect.Lists;
+
+import static 
org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION;
+import static 
org.apache.hadoop.fs.azurebfs.constants.ConfigurationKeys.FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY;
+import static 
org.apache.hadoop.fs.azurebfs.constants.FileSystemConfigurations.ONE_MB;
+import static 
org.apache.hadoop.fs.azurebfs.constants.HttpHeaderConfigurations.*;
+import static org.apache.hadoop.fs.azurebfs.constants.TestConfigurationKeys.*;
+import static org.apache.hadoop.fs.azurebfs.utils.AclTestHelpers.aclEntry;
+import static org.apache.hadoop.fs.permission.AclEntryScope.ACCESS;
+import static org.apache.hadoop.fs.permission.AclEntryType.USER;
+import static org.apache.hadoop.fs.permission.FsAction.ALL;
+
+public class ITestCustomerProvidedKey extends AbstractAbfsIntegrationTest {
+  private static final Logger LOG = LoggerFactory
+      .getLogger(ITestCustomerProvidedKey.class);
+
+  private static final String XMS_PROPERTIES_ENCODING = "ISO-8859-1";
+  private static final int INT_512 = 512;
+  private static final int INT_50 = 50;
+
+  public ITestCustomerProvidedKey() throws Exception {
+  }
+
+  @Ignore
+  @Test
+  public void testReadWithCPK() throws Exception {
+    final AzureBlobFileSystem fs = getAbfs(true);
+    String fileName = "/" + methodName.getMethodName();
+    int fileSize = 8 * ONE_MB;
+    byte[] fileContent = getRandomBytesArray(fileSize);
+    Path testFilePath = createFileWithContent(fs, fileName, fileContent);
+    verifyContent(fs, testFilePath, fileContent);
+
+    AbfsClient abfsClient = fs.getAbfsClient();
+    int length = INT_512;
+    byte[] buffer = new byte[length * 4];
+    final AbfsRestOperation op = abfsClient.getPathStatus(fileName, false);
+    final String eTag = op.getResult()
+        .getResponseHeader(HttpHeaderConfigurations.ETAG);
+    AbfsRestOperation abfsRestOperation = abfsClient
+        .read(fileName, 0, buffer, 0, length, eTag, null);
+    assertCPKHeaders(abfsRestOperation, true);
+    assertResponseHeader(abfsRestOperation, true, X_MS_ENCRYPTION_KEY_SHA256,
+        getCPKSha(fs));
+    assertResponseHeader(abfsRestOperation, true, X_MS_SERVER_ENCRYPTED,
+        "true");
+    assertResponseHeader(abfsRestOperation, false,
+        X_MS_REQUEST_SERVER_ENCRYPTED, "");
+
+    //  Trying to read with different CPK headers
+    Configuration conf = fs.getConf();
+    String accountName = conf.get(FS_AZURE_ABFS_ACCOUNT_NAME);
+    conf.set(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName,
+        "different-1234567890123456789012");
+    conf.set("fs.abfs.impl.disable.cache", "true");
+    AzureBlobFileSystem fs2 = (AzureBlobFileSystem) FileSystem.get(conf);
+    try (FSDataInputStream iStream = fs2.open(testFilePath)) {
+      int len = 8 * ONE_MB;
+      byte[] b = new byte[len];
+      LambdaTestUtils.intercept(IOException.class, () -> {
+        iStream.read(b, 0, len);
+      });
+    }
+
+    //  Trying to read with no CPK headers
+    conf.unset(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName);
+    AzureBlobFileSystem fs3 = (AzureBlobFileSystem) FileSystem.get(conf);
+    try (FSDataInputStream iStream = fs3.open(testFilePath)) {
+      int len = 8 * ONE_MB;
+      byte[] b = new byte[len];
+      LambdaTestUtils.intercept(IOException.class, () -> {
+        iStream.read(b, 0, len);
+      });
+    }
+  }
+
+  @Ignore
+  @Test
+  public void testReadWithoutCPK() throws Exception {
+    final AzureBlobFileSystem fs = getAbfs(false);
+    int fileSize = 8 * ONE_MB;
+    byte[] fileContent = getRandomBytesArray(fileSize);
+    String fileName = "/" + methodName.getMethodName();
+    Path testFilePath = createFileWithContent(fs, fileName, fileContent);
+    verifyContent(fs, testFilePath, fileContent);
+
+    AbfsClient abfsClient = fs.getAbfsClient();
+    int length = INT_512;
+    byte[] buffer = new byte[length * 4];
+    final AbfsRestOperation op = abfsClient.getPathStatus(fileName, false);
+    final String eTag = op.getResult()
+        .getResponseHeader(HttpHeaderConfigurations.ETAG);
+    AbfsRestOperation abfsRestOperation = abfsClient
+        .read(fileName, 0, buffer, 0, length, eTag, null);
+    assertCPKHeaders(abfsRestOperation, false);
+    assertResponseHeader(abfsRestOperation, false, X_MS_ENCRYPTION_KEY_SHA256,
+        getCPKSha(fs));
+    assertResponseHeader(abfsRestOperation, true, X_MS_SERVER_ENCRYPTED,
+        "true");
+    assertResponseHeader(abfsRestOperation, false,
+        X_MS_REQUEST_SERVER_ENCRYPTED, "");
+
+    //  Trying to read with CPK headers
+    Configuration conf = fs.getConf();
+    String accountName = conf.get(FS_AZURE_ABFS_ACCOUNT_NAME);
+    conf.set(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName,
+        "12345678901234567890123456789012");
+    conf.set("fs.abfs.impl.disable.cache", "true");
+    AzureBlobFileSystem fs2 = (AzureBlobFileSystem) FileSystem.get(conf);
+    AbfsClient abfsClient2 = fs2.getAbfsClient();
+    LambdaTestUtils.intercept(IOException.class, () -> {
+      abfsClient2.read(fileName, 0, buffer, 0, length, eTag, null);
+    });
+  }
+
+  @Ignore
+  @Test
+  public void testAppendWithCPK() throws Exception {
+    final AzureBlobFileSystem fs = getAbfs(true);
+    final String fileName = "/" + methodName.getMethodName();
+    fs.create(new Path(fileName));
+
+    //  Trying to append with correct CPK headers
+    AppendRequestParameters appendRequestParameters =
+        new AppendRequestParameters(
+        0, 0, 5, Mode.APPEND_MODE, false);
+    byte[] buffer = getRandomBytesArray(5);
+    AbfsClient abfsClient = fs.getAbfsClient();
+    AbfsRestOperation abfsRestOperation = abfsClient
+        .append(fileName, buffer, appendRequestParameters, null);
+    assertCPKHeaders(abfsRestOperation, true);
+    assertResponseHeader(abfsRestOperation, true, X_MS_ENCRYPTION_KEY_SHA256,
+        getCPKSha(fs));
+    assertResponseHeader(abfsRestOperation, false, X_MS_SERVER_ENCRYPTED, "");
+    assertResponseHeader(abfsRestOperation, true,
+        X_MS_REQUEST_SERVER_ENCRYPTED, "true");
+
+    //  Trying to append with different CPK headers
+    Configuration conf = fs.getConf();
+    String accountName = conf.get(FS_AZURE_ABFS_ACCOUNT_NAME);
+    conf.set(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName,
+        "different-1234567890123456789012");
+    conf.set("fs.abfs.impl.disable.cache", "true");
+    AzureBlobFileSystem fs2 = (AzureBlobFileSystem) FileSystem.get(conf);
+    AbfsClient abfsClient2 = fs2.getAbfsClient();
+    LambdaTestUtils.intercept(IOException.class, () -> {
+      abfsClient2.append(fileName, buffer, appendRequestParameters, null);
+    });
+
+    //  Trying to append with no CPK headers
+    conf.unset(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName);
+    AzureBlobFileSystem fs3 = (AzureBlobFileSystem) FileSystem.get(conf);
+    AbfsClient abfsClient3 = fs3.getAbfsClient();
+    LambdaTestUtils.intercept(IOException.class, () -> {
+      abfsClient3.append(fileName, buffer, appendRequestParameters, null);
+    });
+  }
+
+  @Ignore
+  @Test
+  public void testAppendWithoutCPK() throws Exception {
+    final AzureBlobFileSystem fs = getAbfs(false);
+    final String fileName = "/" + methodName.getMethodName();
+    fs.create(new Path(fileName));
+
+    //  Trying to append without CPK headers
+    AppendRequestParameters appendRequestParameters =
+        new AppendRequestParameters(
+        0, 0, 5, Mode.APPEND_MODE, false);
+    byte[] buffer = getRandomBytesArray(5);
+    AbfsClient abfsClient = fs.getAbfsClient();
+    AbfsRestOperation abfsRestOperation = abfsClient
+        .append(fileName, buffer, appendRequestParameters, null);
+    assertCPKHeaders(abfsRestOperation, false);
+    assertResponseHeader(abfsRestOperation, false, X_MS_ENCRYPTION_KEY_SHA256,
+        "");
+    assertResponseHeader(abfsRestOperation, false, X_MS_SERVER_ENCRYPTED, "");
+    assertResponseHeader(abfsRestOperation, true,
+        X_MS_REQUEST_SERVER_ENCRYPTED, "true");
+
+    //  Trying to append with CPK headers
+    Configuration conf = fs.getConf();
+    String accountName = conf.get(FS_AZURE_ABFS_ACCOUNT_NAME);
+    conf.set(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName,
+        "12345678901234567890123456789012");
+    conf.set("fs.abfs.impl.disable.cache", "true");
+    AzureBlobFileSystem fs2 = (AzureBlobFileSystem) FileSystem.get(conf);
+    AbfsClient abfsClient2 = fs2.getAbfsClient();
+    LambdaTestUtils.intercept(IOException.class, () -> {
+      abfsClient2.append(fileName, buffer, appendRequestParameters, null);
+    });
+  }
+
+  @Ignore
+  @Test
+  public void testSetGetXAttr() throws Exception {
+    final AzureBlobFileSystem fs = getAbfs(true);
+    String fileName = methodName.getMethodName();
+    fs.create(new Path(fileName));
+
+    String valSent = "testValue";
+    String attrName = "testXAttr";
+
+    //  set get and verify
+    fs.setXAttr(new Path(fileName), attrName,
+        valSent.getBytes(StandardCharsets.UTF_8),
+        EnumSet.of(XAttrSetFlag.CREATE));
+    byte[] valBytes = fs.getXAttr(new Path(fileName), attrName);
+    String valRecieved = new String(valBytes);
+    assertEquals(valSent, valRecieved);
+
+    //  set new value get and verify
+    valSent = "new value";
+    fs.setXAttr(new Path(fileName), attrName,
+        valSent.getBytes(StandardCharsets.UTF_8),
+        EnumSet.of(XAttrSetFlag.REPLACE));
+    valBytes = fs.getXAttr(new Path(fileName), attrName);
+    valRecieved = new String(valBytes);
+    assertEquals(valSent, valRecieved);
+
+    //  Read without CPK header
+    LambdaTestUtils.intercept(IOException.class, () -> {
+      getAbfs(false).getXAttr(new Path(fileName), attrName);
+    });
+
+    //  Wrong CPK
+    LambdaTestUtils.intercept(IOException.class, () -> {
+      getSameFSWithWrongCPK(fs).getXAttr(new Path(fileName), attrName);
+    });
+  }
+
+  @Ignore
+  @Test
+  public void testCopyBetweenAccounts() throws Exception {
+    String accountName = getRawConfiguration()
+        .get(FS_AZURE_TEST_CPK_ENABLED_SECONDARY_ACCOUNT);
+    String accountKey = getRawConfiguration()
+        .get(FS_AZURE_TEST_CPK_ENABLED_SECONDARY_ACCOUNT_KEY);
+    Assume.assumeTrue(accountName != null && !accountName.isEmpty());
+    Assume.assumeTrue(accountKey != null && !accountKey.isEmpty());
+    String fileSystemName = "cpkfs";
+
+    //  Create fs1 and a file with CPK
+    AzureBlobFileSystem fs1 = getAbfs(true);
+    int fileSize = 24 * ONE_MB;
+    byte[] fileContent = getRandomBytesArray(fileSize);
+    Path testFilePath = createFileWithContent(fs1, "fs1-file.txt", 
fileContent);
+
+    //  Create fs2 with different CPK
+    Configuration conf = new Configuration();
+    conf.set("fs.abfs.impl.disable.cache", "true");
+    conf.addResource(TEST_CONFIGURATION_FILE_NAME);
+    conf.setBoolean(AZURE_CREATE_REMOTE_FILESYSTEM_DURING_INITIALIZATION, 
true);
+    conf.unset(FS_AZURE_ABFS_ACCOUNT_NAME);
+    conf.set(FS_AZURE_ABFS_ACCOUNT_NAME, accountName);
+    conf.set(FS_AZURE_ACCOUNT_KEY + "." + accountName, accountKey);
+    conf.set(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName,
+        "123456789012345678901234567890ab");
+    conf.set("fs.defaultFS", "abfs://" + fileSystemName + "@" + accountName);
+    AzureBlobFileSystem fs2 = (AzureBlobFileSystem) FileSystem.get(conf);
+
+    //  Read from fs1 and write to fs2, fs1 and fs2 are having different CPK
+    Path fs2DestFilePath = new Path("fs2-dest-file.txt");
+    FSDataOutputStream ops = fs2.create(fs2DestFilePath);
+    try (FSDataInputStream iStream = fs1.open(testFilePath)) {
+      long totalBytesRead = 0;
+      do {
+        int length = 8 * ONE_MB;
+        byte[] buffer = new byte[length];
+        int bytesRead = iStream.read(buffer, 0, length);
+        totalBytesRead += bytesRead;
+        ops.write(buffer);
+      } while (totalBytesRead < fileContent.length);
+      ops.close();
+    }
+
+    //  Trying to read fs2DestFilePath with different CPK headers
+    conf.unset(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName);
+    conf.set(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName,
+        "different-1234567890123456789012");
+    AzureBlobFileSystem fs3 = (AzureBlobFileSystem) FileSystem.get(conf);
+    try (FSDataInputStream iStream = fs3.open(fs2DestFilePath)) {
+      int length = 8 * ONE_MB;
+      byte[] buffer = new byte[length];
+      LambdaTestUtils.intercept(IOException.class, () -> {
+        iStream.read(buffer, 0, length);
+      });
+    }
+
+    //  Trying to read fs2DestFilePath with no CPK headers
+    conf.unset(FS_AZURE_CLIENT_PROVIDED_ENCRYPTION_KEY + "." + accountName);
+    AzureBlobFileSystem fs4 = (AzureBlobFileSystem) FileSystem.get(conf);
+    try (FSDataInputStream iStream = fs4.open(fs2DestFilePath)) {
+      int length = 8 * ONE_MB;
+      byte[] buffer = new byte[length];
+      LambdaTestUtils.intercept(IOException.class, () -> {
+        iStream.read(buffer, 0, length);
+      });
+    }
+
+    //  Read fs2DestFilePath and verify the content with the initial random
+    //  bytes created and wrote into the source file at fs1
+    try (FSDataInputStream iStream = fs2.open(fs2DestFilePath)) {
+      long totalBytesRead = 0;
+      int pos = 0;
+      do {
+        int length = 8 * ONE_MB;
+        byte[] buffer = new byte[length];
+        int bytesRead = iStream.read(buffer, 0, length);
+        totalBytesRead += bytesRead;
+        for (int i = 0; i < bytesRead; i++) {
+          assertEquals(fileContent[pos + i], buffer[i]);
+        }
+        pos = pos + bytesRead;
+      } while (totalBytesRead < fileContent.length);
+    }
+  }
+
+  @Ignore
+  @Test
+  public void testListPathWithCPK() throws Exception {
+    testListPath(true);
+  }
+
+  @Ignore
+  @Test
+  public void testListPathWithoutCPK() throws Exception {
+    testListPath(false);
+  }
+
+  private void testListPath(final boolean isWithCPK) throws Exception {
+    final AzureBlobFileSystem fs = getAbfs(isWithCPK);
+    String testDirName = "/" + methodName.getMethodName();
+    final Path testPath = new Path(testDirName);
+    fs.mkdirs(testPath);
+    fs.mkdirs(new Path(testDirName + "/aaa"));
+    fs.mkdirs(new Path(testDirName + "/bbb"));
+    AbfsClient abfsClient = fs.getAbfsClient();
+    AbfsRestOperation abfsRestOperation = abfsClient
+        .listPath(testDirName, false, INT_50, null);
+
+    //  assert cpk headers are not added
+    assertCPKHeaders(abfsRestOperation, false);
+    assertNoCPKResponseHeadersPresent(abfsRestOperation);
+
+    FileStatus[] listStatuses = fs.listStatus(testPath);
+    Assertions.assertThat(listStatuses.length)
+        .describedAs("listStatuses should have 2 entries").isEqualTo(2);
+
+    listStatuses = getSameFSWithWrongCPK(fs).listStatus(testPath);
+    Assertions.assertThat(listStatuses.length)
+        .describedAs("listStatuses should have 2 entries").isEqualTo(2);
+  }
+
+  @Ignore
+  @Test
+  public void testGetFileSystemPropertiesWithCPK() throws Exception {
+    testGetFileSystemProperties(true);

Review comment:
       CreateFileSystem API can be called from the Driver if the config 
createRemoteFileSystemDuringInitialization is true. Rest of 
FileSystem/Container APIs are not accessible from HDFS APIs. They are present 
in code to facilitate testing. 
   As CPK doesnt apply for container APIs anyway, remove all filesystem API 
tests.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 576757)
    Time Spent: 5h 20m  (was: 5h 10m)

> Suport for customer provided encrption key
> ------------------------------------------
>
>                 Key: HADOOP-17536
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17536
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>    Affects Versions: 3.4.0
>            Reporter: Bilahari T H
>            Assignee: Bilahari T H
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 5h 20m
>  Remaining Estimate: 0h
>
> The data for a particular customer needs to be encrypted on account level. At 
> server side the APIs will start accepting the encryption key as part of 
> request headers. The data will be encrypted/decrypted with the given key at 
> the server. 
> Since the ABFS FileSystem APIs are implementations for Hadoop FileSystem APIs 
> there is no direct way with which customer can pass the key to ABFS driver. 
> In this case driver should have the following capabilities so that it can 
> accept and pass the encryption key as one of the request headers. 
>  # There should be a way to configure the encryption key for different 
> accounts.
>  # If there is a key specified for a particular account, the same needs to be 
> sent along with the request headers. 
> *Config changes* 
> They key for an account can be specified in the core-site as follows. 
> fs.azure.account.client-provided-encryption-key.{account 
> name}.dfs.core.windows.net 



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