HDFS-10489. Deprecate dfs.encryption.key.provider.uri for HDFS encryption zones. Contributed by Xiao Chen.

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderFactory.java

@@ -29,6 +29,7 @@
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.classification.InterfaceStability;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 
 /**
  * A factory to create a list of KeyProvider based on the path given in a
@@ -39,7 +40,7 @@
 @InterfaceStability.Unstable
 public abstract class KeyProviderFactory {
   public static final String KEY_PROVIDER_PATH =
-      "hadoop.security.key.provider.path";
+      CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH;
 
   public abstract KeyProvider createProvider(URI providerName,
                                              Configuration conf

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/CommonConfigurationKeysPublic.java

@@ -628,6 +628,14 @@ public class CommonConfigurationKeysPublic {
   public static final String  HADOOP_SECURITY_IMPERSONATION_PROVIDER_CLASS =
     "hadoop.security.impersonation.provider.class";
 
+  /**
+   * @see
+   * <a href="{@docRoot}/../hadoop-project-dist/hadoop-common/core-default.xml">
+   * core-default.xml</a>
+   */
+  public static final String HADOOP_SECURITY_KEY_PROVIDER_PATH =
+      "hadoop.security.key.provider.path";
+
   //  <!-- KMSClientProvider configurations -->
   /**
    * @see

hadoop-common-project/hadoop-common/src/main/resources/core-default.xml

@@ -2037,6 +2037,14 @@
   </description>
 </property>
 
+<property>
+  <name>hadoop.security.key.provider.path</name>
+  <description>
+    The KeyProvider to use when managing zone keys, and interacting with
+    encryption keys when reading and writing to an encryption zone.
+  </description>
+</property>
+
 <property>
   <name>fs.har.impl.disable.cache</name>
   <value>true</value>

hadoop-common-project/hadoop-common/src/site/markdown/DeprecatedProperties.md

@@ -28,6 +28,7 @@ The following table lists the configuration property names that are deprecated i
 | dfs.data.dir | dfs.datanode.data.dir |
 | dfs.datanode.max.xcievers | dfs.datanode.max.transfer.threads |
 | dfs.df.interval | fs.df.interval |
+| dfs.encryption.key.provider.uri | hadoop.security.key.provider.path |
 | dfs.federation.nameservice.id | dfs.nameservice.id |
 | dfs.federation.nameservices | dfs.nameservices |
 | dfs.http.address | dfs.namenode.http-address |

hadoop-common-project/hadoop-kms/src/site/markdown/index.md.vm

@@ -37,10 +37,10 @@ KMS Client Configuration
 The KMS client `KeyProvider` uses the **kms** scheme, and the embedded URL must be the URL of the KMS. For example, for a KMS running on `http://localhost:9600/kms`, the KeyProvider URI is `kms://http@localhost:9600/kms`. And, for a KMS running on `https://localhost:9600/kms`, the KeyProvider URI is `kms://https@localhost:9600/kms`
 
 The following is an example to configure HDFS NameNode as a KMS client in
-`hdfs-site.xml`:
+`core-site.xml`:
 
     <property>
-      <name>dfs.encryption.key.provider.uri</name>
+      <name>hadoop.security.key.provider.path</name>
       <value>kms://http@localhost:9600/kms</value>
       <description>
         The KeyProvider to use when interacting with encryption keys used
@@ -664,15 +664,15 @@ is to use LoadBalancingKMSClientProvider. Using this approach, a KMS client
 (for example, a HDFS NameNode) is aware of multiple KMS instances, and it sends
 requests to them in a round-robin fashion. LoadBalancingKMSClientProvider is
 implicitly used when more than one URI is specified in
-`dfs.encryption.key.provider.uri`.
+`hadoop.security.key.provider.path`.
 
-The following example in `hdfs-site.xml` configures two KMS
+The following example in `core-site.xml` configures two KMS
 instances, `kms01.example.com` and `kms02.example.com`.
 The hostnames are separated by semi-colons, and all KMS instances must run
 on the same port.
 
     <property>
-      <name>dfs.encryption.key.provider.uri</name>
+      <name>hadoop.security.key.provider.path</name>
       <value>kms://https@kms01.example.com;kms02.example.com:9600/kms</value>
       <description>
         The KeyProvider to use when interacting with encryption keys used

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSUtilClient.java

@@ -526,7 +526,7 @@ public static ReconfigurationProtocol createReconfigurationProtocolProxy(
   }
 
   private static String keyProviderUriKeyName =
-      HdfsClientConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI;
+      CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH;
 
   /**
    * Set the key provider uri configuration key name for creating key providers.
@@ -616,16 +616,17 @@ public static int getSmallBufferSize(Configuration conf) {
   }
 
   /**
-   * Probe for HDFS Encryption being enabled; this uses the value of
+   * Probe for HDFS Encryption being enabled; this uses the value of the option
-   * the option {@link HdfsClientConfigKeys#DFS_ENCRYPTION_KEY_PROVIDER_URI},
+   * {@link CommonConfigurationKeysPublic#HADOOP_SECURITY_KEY_PROVIDER_PATH}
-   * returning true if that property contains a non-empty, non-whitespace
+   * , returning true if that property contains a non-empty, non-whitespace
    * string.
    * @param conf configuration to probe
    * @return true if encryption is considered enabled.
    */
   public static boolean isHDFSEncryptionEnabled(Configuration conf) {
-    return !conf.getTrimmed(
+    return !(conf.getTrimmed(
-        HdfsClientConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, "").isEmpty();
+        CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH, "")
+        .isEmpty());
   }
 
   public static InetSocketAddress getNNAddress(String address) {

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/HdfsConfiguration.java

@@ -20,6 +20,7 @@
 
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
 
 import static org.apache.hadoop.hdfs.client.HdfsClientConfigKeys.DeprecatedKeys;
@@ -141,6 +142,8 @@ private static void addDeprecatedKeys() {
             HdfsClientConfigKeys.DFS_NAMESERVICES),
         new DeprecationDelta("dfs.federation.nameservice.id",
             DeprecatedKeys.DFS_NAMESERVICE_ID),
+        new DeprecationDelta("dfs.encryption.key.provider.uri",
+            CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH),
     });
   }
 

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/KeyProviderCache.java

@@ -25,7 +25,7 @@
 import org.apache.hadoop.classification.InterfaceAudience;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.KeyProvider;
-import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.cache.Cache;
@@ -86,11 +86,11 @@ public KeyProvider call() throws Exception {
 
   private URI createKeyProviderURI(Configuration conf) {
     final String providerUriStr = conf.getTrimmed(
-        HdfsClientConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, "");
+        CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH, "");
     // No provider set in conf
     if (providerUriStr.isEmpty()) {
       LOG.error("Could not find uri with key ["
-          + HdfsClientConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI
+          + CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH
           + "] to create a keyProvider !!");
       return null;
     }

hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java

@@ -139,7 +139,6 @@ public interface HdfsClientConfigKeys {
       "dfs.datanode.kerberos.principal";
   String  DFS_DATANODE_READAHEAD_BYTES_KEY = "dfs.datanode.readahead.bytes";
   long    DFS_DATANODE_READAHEAD_BYTES_DEFAULT = 4 * 1024 * 1024; // 4MB
-  String  DFS_ENCRYPTION_KEY_PROVIDER_URI = "dfs.encryption.key.provider.uri";
 
   String DFS_ENCRYPT_DATA_TRANSFER_CIPHER_SUITES_KEY =
       "dfs.encrypt.data.transfer.cipher.suites";

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/test/java/org/apache/hadoop/test/TestHdfsHelper.java

@@ -22,6 +22,7 @@
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.FileSystemTestHelper;
 import org.apache.hadoop.fs.Path;
@@ -158,7 +159,8 @@ private static synchronized MiniDFSCluster startMiniHdfs(Configuration conf) thr
       FileSystemTestHelper helper = new FileSystemTestHelper();
       final String jceksPath = JavaKeyStoreProvider.SCHEME_NAME + "://file" +
           new Path(helper.getTestRootDir(), "test.jks").toUri();
-      conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, jceksPath);
+      conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
+          jceksPath);
       MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
       builder.numDataNodes(2);
       MiniDFSCluster miniHdfs = builder.build();

hadoop-hdfs-project/hadoop-hdfs-nfs/src/test/java/org/apache/hadoop/hdfs/nfs/nfs3/TestRpcProgramNfs3.java

@@ -30,10 +30,10 @@
 
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
 import org.apache.hadoop.fs.CommonConfigurationKeys;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FileSystemTestHelper;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.DFSTestUtil;
 import org.apache.hadoop.hdfs.DistributedFileSystem;
 import org.apache.hadoop.hdfs.MiniDFSCluster;
@@ -135,7 +135,7 @@ public static void setup() throws Exception {
     String testRoot = fsHelper.getTestRootDir();
     testRootDir = new File(testRoot).getAbsoluteFile();
     final Path jksPath = new Path(testRootDir.toString(), "test.jks");
-    config.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    config.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri());
     ProxyUsers.refreshSuperUserGroupsConfiguration(config);
 

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java

@@ -804,8 +804,6 @@ public class DFSConfigKeys extends CommonConfigurationKeys {
       HdfsClientConfigKeys.DFS_DATA_TRANSFER_SASL_PROPS_RESOLVER_CLASS_KEY;
   public static final int    DFS_NAMENODE_LIST_ENCRYPTION_ZONES_NUM_RESPONSES_DEFAULT = 100;
   public static final String DFS_NAMENODE_LIST_ENCRYPTION_ZONES_NUM_RESPONSES = "dfs.namenode.list.encryption.zones.num.responses";
-  public static final String DFS_ENCRYPTION_KEY_PROVIDER_URI =
-      HdfsClientConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI;
   public static final String DFS_NAMENODE_EDEKCACHELOADER_INTERVAL_MS_KEY = "dfs.namenode.edekcacheloader.interval.ms";
   public static final int DFS_NAMENODE_EDEKCACHELOADER_INTERVAL_MS_DEFAULT = 1000;
   public static final String DFS_NAMENODE_EDEKCACHELOADER_INITIAL_DELAY_MS_KEY = "dfs.namenode.edekcacheloader.initial.delay.ms";

hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml

@@ -2756,14 +2756,6 @@
   </description>
 </property>
 
-<property>
-  <name>dfs.encryption.key.provider.uri</name>
-  <description>
-    The KeyProvider to use when interacting with encryption keys used
-    when reading and writing to an encryption zone.
-  </description>
-</property>
-
 <property>
   <name>dfs.storage.policy.enabled</name>
   <value>true</value>

hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/TransparentEncryption.md

@@ -117,7 +117,7 @@ Once a KMS has been set up and the NameNode and HDFS clients have been correctly
 
 ### <a name="Configuring_the_cluster_KeyProvider"></a>Configuring the cluster KeyProvider
 
-#### dfs.encryption.key.provider.uri
+#### hadoop.security.key.provider.path
 
 The KeyProvider to use when interacting with encryption keys used when reading and writing to an encryption zone.
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/cli/TestCryptoAdminCLI.java

@@ -35,7 +35,7 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
 import org.apache.hadoop.crypto.key.KeyProvider;
-import org.apache.hadoop.crypto.key.KeyProviderFactory;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
@@ -66,7 +66,7 @@ public void setUp() throws Exception {
 
     tmpDir = GenericTestUtils.getTestDir(UUID.randomUUID().toString());
     final Path jksPath = new Path(tmpDir.toString(), "test.jks");
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri());
 
     dfsCluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestAclsEndToEnd.java

@@ -36,6 +36,7 @@
 import org.apache.hadoop.crypto.key.kms.server.KMSConfiguration;
 import org.apache.hadoop.crypto.key.kms.server.KeyAuthorizationKeyProvider;
 import org.apache.hadoop.crypto.key.kms.server.MiniKMS;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FSDataInputStream;
 import org.apache.hadoop.fs.FSDataOutputStream;
 import org.apache.hadoop.fs.FileSystemTestHelper;
@@ -190,7 +191,7 @@ private void setup(Configuration conf, boolean resetKms, boolean resetDfs)
         "keyadmin,hdfs,user");
     conf.set(ProxyUsers.CONF_HADOOP_PROXYUSER + "." + realUser + ".hosts",
         "*");
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         getKeyProviderURI());
     conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY,
         true);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java

@@ -59,6 +59,7 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.BlockLocation;
 import org.apache.hadoop.fs.CommonConfigurationKeys;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.client.HdfsClientConfigKeys;
 import org.apache.hadoop.hdfs.protocol.DatanodeInfo;
@@ -1031,16 +1032,19 @@ public void testGetNNServiceRpcAddressesForNsIds() throws IOException {
   @Test
   public void testEncryptionProbe() throws Throwable {
     Configuration conf = new Configuration(false);
-    conf.unset(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI);
+    conf.unset(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
     assertFalse("encryption enabled on no provider key",
         DFSUtilClient.isHDFSEncryptionEnabled(conf));
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, "");
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
+        "");
     assertFalse("encryption enabled on empty provider key",
         DFSUtilClient.isHDFSEncryptionEnabled(conf));
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, "\n\t\n");
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
+        "\n\t\n");
     assertFalse("encryption enabled on whitespace provider key",
         DFSUtilClient.isHDFSEncryptionEnabled(conf));
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, "http://hadoop.apache.org");
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
+        "http://hadoop.apache.org");
     assertTrue("encryption disabled on valid provider key",
         DFSUtilClient.isHDFSEncryptionEnabled(conf));
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZones.java

@@ -150,7 +150,8 @@ public void setup() throws Exception {
     // Set up java key store
     String testRoot = fsHelper.getTestRootDir();
     testRootDir = new File(testRoot).getAbsoluteFile();
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, getKeyProviderURI());
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
+        getKeyProviderURI());
     conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
     // Lower the batch size for testing
     conf.setInt(DFSConfigKeys.DFS_NAMENODE_LIST_ENCRYPTION_ZONES_NUM_RESPONSES,
@@ -845,8 +846,8 @@ public void testVersionAndSuiteNegotiation() throws Exception {
     // Check KeyProvider state
     // Flushing the KP on the NN, since it caches, and init a test one
     cluster.getNamesystem().getProvider().flush();
-    KeyProvider provider = KeyProviderFactory
+    KeyProvider provider = KeyProviderFactory.get(new URI(conf.getTrimmed(
-        .get(new URI(conf.getTrimmed(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI)),
+        CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH)),
         conf);
     List<String> keys = provider.getKeys();
     assertEquals("Expected NN to have created one key per zone", 1,
@@ -931,7 +932,8 @@ private static void testCipherSuiteNegotiation(DistributedFileSystem fs,
   public void testCreateEZWithNoProvider() throws Exception {
     // Unset the key provider and make sure EZ ops don't work
     final Configuration clusterConf = cluster.getConfiguration(0);
-    clusterConf.unset(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI);
+    clusterConf
+        .unset(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH);
     cluster.restartNameNode(true);
     cluster.waitActive();
     final Path zone1 = new Path("/zone1");
@@ -943,7 +945,8 @@ public void testCreateEZWithNoProvider() throws Exception {
       assertExceptionContains("since no key provider is available", e);
     }
     final Path jksPath = new Path(testRootDir.toString(), "test.jks");
-    clusterConf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    clusterConf
+        .set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
             JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri()
     );
     // Try listing EZs as well

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestEncryptionZonesWithHA.java

@@ -20,6 +20,7 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
 import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.permission.FsPermission;
 import org.apache.hadoop.fs.FileSystemTestHelper;
 import org.apache.hadoop.fs.Path;
@@ -62,7 +63,7 @@ public void setupCluster() throws Exception {
     fsHelper = new FileSystemTestHelper();
     String testRoot = fsHelper.getTestRootDir();
     testRootDir = new File(testRoot).getAbsoluteFile();
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         JavaKeyStoreProvider.SCHEME_NAME + "://file" +
         new Path(testRootDir.toString(), "test.jks").toUri()
     );

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestKeyProviderCache.java

@@ -24,7 +24,7 @@
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.KeyProvider;
 import org.apache.hadoop.crypto.key.KeyProviderFactory;
-import org.apache.hadoop.crypto.key.kms.KMSClientProvider;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.junit.Assert;
 import org.junit.Test;
 
@@ -94,26 +94,26 @@ public KeyProvider createProvider(URI providerName, Configuration conf)
   public void testCache() throws Exception {
     KeyProviderCache kpCache = new KeyProviderCache(10000);
     Configuration conf = new Configuration();
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         "dummy://foo:bar@test_provider1");
     KeyProvider keyProvider1 = kpCache.get(conf);
     Assert.assertNotNull("Returned Key Provider is null !!", keyProvider1);
 
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         "dummy://foo:bar@test_provider1");
     KeyProvider keyProvider2 = kpCache.get(conf);
 
     Assert.assertTrue("Different KeyProviders returned !!",
         keyProvider1 == keyProvider2);
 
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         "dummy://test_provider3");
     KeyProvider keyProvider3 = kpCache.get(conf);
 
     Assert.assertFalse("Same KeyProviders returned !!",
         keyProvider1 == keyProvider3);
 
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         "dummy://hello:there@test_provider1");
     KeyProvider keyProvider4 = kpCache.get(conf);
 

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestReservedRawPaths.java

@@ -25,6 +25,7 @@
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileContext;
 import org.apache.hadoop.fs.FileContextTestWrapper;
 import org.apache.hadoop.fs.FileStatus;
@@ -77,7 +78,7 @@ public void setup() throws Exception {
     String testRoot = fsHelper.getTestRootDir();
     File testRootDir = new File(testRoot).getAbsoluteFile();
     final Path jksPath = new Path(testRootDir.toString(), "test.jks");
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         JavaKeyStoreProvider.SCHEME_NAME + "://file" + jksPath.toUri()
     );
     cluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).build();

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestSecureEncryptionZoneWithKMS.java

@@ -49,6 +49,7 @@
 import org.apache.hadoop.crypto.key.kms.KMSClientProvider;
 import org.apache.hadoop.crypto.key.kms.server.KMSConfiguration;
 import org.apache.hadoop.crypto.key.kms.server.MiniKMS;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.FileSystemTestWrapper;
 import org.apache.hadoop.fs.FileUtil;
@@ -237,7 +238,8 @@ public static void destroy() {
   @Before
   public void setup() throws Exception {
     // Start MiniDFS Cluster
-    baseConf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    baseConf
+        .set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
             getKeyProviderURI());
     baseConf.setBoolean(DFSConfigKeys
         .DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNestedEncryptionZones.java

@@ -19,6 +19,7 @@
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystemTestHelper;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.fs.permission.FsPermission;
@@ -85,7 +86,8 @@ public void setup() throws Exception {
     // Set up java key store
     String testRoot = fsHelper.getTestRootDir();
     testRootDir = new File(testRoot).getAbsoluteFile();
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, getKeyProviderURI());
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
+        getKeyProviderURI());
     conf.setBoolean(DFSConfigKeys.DFS_NAMENODE_DELEGATION_TOKEN_ALWAYS_USE_KEY, true);
     // Lower the batch size for testing
     conf.setInt(DFSConfigKeys.DFS_NAMENODE_LIST_ENCRYPTION_ZONES_NUM_RESPONSES,

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/metrics/TestNameNodeMetrics.java

@@ -18,6 +18,7 @@
 package org.apache.hadoop.hdfs.server.namenode.metrics;
 
 import org.apache.hadoop.crypto.key.JavaKeyStoreProvider;
+import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
 import org.apache.hadoop.fs.FileSystemTestHelper;
 import org.apache.hadoop.fs.FileSystemTestWrapper;
 import org.apache.hadoop.fs.permission.FsPermission;
@@ -642,7 +643,7 @@ public void testGenerateEDEKTime() throws IOException,
     // Set up java key store
     String testRoot = fsHelper.getTestRootDir();
     File testRootDir = new File(testRoot).getAbsoluteFile();
-    conf.set(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI,
+    conf.set(CommonConfigurationKeysPublic.HADOOP_SECURITY_KEY_PROVIDER_PATH,
         JavaKeyStoreProvider.SCHEME_NAME + "://file" +
         new Path(testRootDir.toString(), "test.jks").toUri());
     conf.setBoolean(DFSConfigKeys