HBASE-26204 Obtain credential for VerifyReplication with peerQuorumAddress (#3591)

Signed-off-by: Rushabh Shah <shahrs87@gmail.com>
Signed-off-by: Wellington Chevreuil <wchevreuil@apache.org>

hbase-mapreduce/pom.xml

@@ -226,6 +226,11 @@
       <type>test-jar</type>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apache.hadoop</groupId>
+      <artifactId>hadoop-minikdc</artifactId>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.mockito</groupId>
       <artifactId>mockito-core</artifactId>

hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/replication/VerifyReplication.java

@@ -270,7 +270,8 @@ public class VerifyReplication extends Configured implements Tool {
           if (!sourceResult.isEmpty()) {
             context.getCounter(Counters.GOODROWS).increment(1);
             if (verbose) {
-              LOG.info("Good row key (with recompare): " + delimiter + Bytes.toStringBinary(row.getRow())
+              LOG.info("Good row key (with recompare): " + delimiter +
+                Bytes.toStringBinary(row.getRow())
               + delimiter);
             }
           }
@@ -480,12 +481,16 @@ public class VerifyReplication extends Configured implements Tool {
       TableMapReduceUtil.initTableMapperJob(tableName, scan, Verifier.class, null, null, job);
     }
 
+    Configuration peerClusterConf;
     if (peerId != null) {
       assert peerConfigPair != null;
-      Configuration peerClusterConf = peerConfigPair.getSecond();
+      peerClusterConf = peerConfigPair.getSecond();
+    } else {
+      peerClusterConf = HBaseConfiguration.createClusterConf(conf,
+        peerQuorumAddress, PEER_CONFIG_PREFIX);
+    }
     // Obtain the auth token from peer cluster
     TableMapReduceUtil.initCredentialsForCluster(job, peerClusterConf);
-    }
 
     job.setOutputFormatClass(NullOutputFormat.class);
     job.setNumReduceTasks(0);
@@ -668,7 +673,8 @@ public class VerifyReplication extends Configured implements Tool {
       // This is to avoid making recompare calls to source/peer tables when snapshots are used
       if ((sourceSnapshotName != null || peerSnapshotName != null) && sleepMsBeforeReCompare > 0) {
         printUsage(
-          "Using sleepMsBeforeReCompare along with snapshots is not allowed as snapshots are immutable");
+          "Using sleepMsBeforeReCompare along with snapshots is not allowed as snapshots are"
+            + " immutable");
         return false;
       }
 
@@ -708,8 +714,8 @@ public class VerifyReplication extends Configured implements Tool {
     System.err.println("              without endtime means from starttime to forever");
     System.err.println(" endtime      end of the time range");
     System.err.println(" versions     number of cell versions to verify");
-    System.err.println(" batch        batch count for scan, " +
-        "note that result row counts will no longer be actual number of rows when you use this option");
+    System.err.println(" batch        batch count for scan, note that"
+      + " result row counts will no longer be actual number of rows when you use this option");
     System.err.println(" raw          includes raw scan if given in options");
     System.err.println(" families     comma-separated list of families to copy");
     System.err.println(" row-prefixes comma-separated list of row key prefixes to filter on ");
@@ -726,16 +732,64 @@ public class VerifyReplication extends Configured implements Tool {
     System.err.println(" peerHBaseRootAddress  Peer cluster HBase root location");
     System.err.println();
     System.err.println("Args:");
-    System.err.println(" peerid       Id of the peer used for verification, must match the one given for replication");
+    System.err.println(" peerid       Id of the peer used for verification,"
+      + " must match the one given for replication");
     System.err.println(" peerQuorumAddress   quorumAdress of the peer used for verification. The "
       + "format is zk_quorum:zk_port:zk_hbase_path");
     System.err.println(" tablename    Name of the table to verify");
     System.err.println();
     System.err.println("Examples:");
-    System.err.println(" To verify the data replicated from TestTable for a 1 hour window with peer #5 ");
+    System.err.println(
+      " To verify the data replicated from TestTable for a 1 hour window with peer #5 ");
     System.err.println(" $ hbase " +
         "org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication" +
         " --starttime=1265875194289 --endtime=1265878794289 5 TestTable ");
+    System.err.println();
+    System.err.println(
+      " To verify the data in TestTable between the cluster runs VerifyReplication and cluster-b");
+    System.err.println(" Assume quorum address for cluster-b is"
+      + " cluster-b-1.example.com,cluster-b-2.example.com,cluster-b-3.example.com:2181:/cluster-b");
+    System.err.println(
+      " $ hbase org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication \\\n" +
+        "     cluster-b-1.example.com,cluster-b-2.example.com,cluster-b-3.example.com:"
+        + "2181:/cluster-b \\\n" +
+        "     TestTable");
+    System.err.println();
+    System.err.println(
+      " To verify the data in TestTable between the secured cluster runs VerifyReplication"
+        + " and insecure cluster-b");
+    System.err.println(
+      " $ hbase org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication \\\n" +
+        "     -D verifyrep.peer.hbase.security.authentication=simple \\\n" +
+        "     cluster-b-1.example.com,cluster-b-2.example.com,cluster-b-3.example.com:"
+        + "2181:/cluster-b \\\n" +
+        "     TestTable");
+    System.err.println();
+    System.err.println(" To verify the data in TestTable between" +
+      " the secured cluster runs VerifyReplication and secured cluster-b");
+    System.err.println(" Assume cluster-b uses different kerberos principal, cluster-b/_HOST@E" +
+      ", for master and regionserver kerberos principal from another cluster");
+    System.err.println(
+      " $ hbase org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication \\\n" +
+        "     -D verifyrep.peer.hbase.regionserver.kerberos.principal="
+        + "cluster-b/_HOST@EXAMPLE.COM \\\n" +
+        "     -D verifyrep.peer.hbase.master.kerberos.principal=cluster-b/_HOST@EXAMPLE.COM \\\n" +
+        "     cluster-b-1.example.com,cluster-b-2.example.com,cluster-b-3.example.com:"
+        + "2181:/cluster-b \\\n" +
+        "     TestTable");
+    System.err.println();
+    System.err.println(
+      " To verify the data in TestTable between the insecure cluster runs VerifyReplication"
+        + " and secured cluster-b");
+    System.err.println(
+      " $ hbase org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication \\\n" +
+        "     -D verifyrep.peer.hbase.security.authentication=kerberos \\\n" +
+        "     -D verifyrep.peer.hbase.regionserver.kerberos.principal="
+        + "cluster-b/_HOST@EXAMPLE.COM \\\n" +
+        "     -D verifyrep.peer.hbase.master.kerberos.principal=cluster-b/_HOST@EXAMPLE.COM \\\n" +
+        "     cluster-b-1.example.com,cluster-b-2.example.com,cluster-b-3.example.com:"
+        + "2181:/cluster-b \\\n" +
+        "     TestTable");
   }
 
   @Override

hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/replication/TestVerifyReplicationSecureClusterCredentials.java

@@ -0,0 +1,166 @@
+/**
+ *
+ * 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.hbase.replication;
+
+import static org.junit.Assert.assertEquals;
+import java.io.File;
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.function.Supplier;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.hbase.HBaseClassTestRule;
+import org.apache.hadoop.hbase.HBaseTestingUtil;
+import org.apache.hadoop.hbase.client.Admin;
+import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;
+import org.apache.hadoop.hbase.mapreduce.replication.VerifyReplication;
+import org.apache.hadoop.hbase.security.HBaseKerberosUtils;
+import org.apache.hadoop.hbase.security.access.AccessController;
+import org.apache.hadoop.hbase.security.access.SecureTestUtil;
+import org.apache.hadoop.hbase.security.token.AuthenticationTokenIdentifier;
+import org.apache.hadoop.hbase.security.token.TokenProvider;
+import org.apache.hadoop.hbase.security.visibility.VisibilityTestUtil;
+import org.apache.hadoop.hbase.testclassification.LargeTests;
+import org.apache.hadoop.hbase.testclassification.ReplicationTests;
+import org.apache.hadoop.hbase.zookeeper.ZKClusterId;
+import org.apache.hadoop.hbase.zookeeper.ZKConfig;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.minikdc.MiniKdc;
+import org.apache.hadoop.security.Credentials;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.token.Token;
+import org.apache.hadoop.security.token.TokenIdentifier;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.ClassRule;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+@Category({ ReplicationTests.class, LargeTests.class })
+@RunWith(Parameterized.class)
+public class TestVerifyReplicationSecureClusterCredentials {
+  @ClassRule
+  public static final HBaseClassTestRule CLASS_RULE =
+    HBaseClassTestRule.forClass(TestVerifyReplicationSecureClusterCredentials.class);
+
+  private static MiniKdc KDC;
+  private static final HBaseTestingUtil UTIL1 = new HBaseTestingUtil();
+  private static final HBaseTestingUtil UTIL2 = new HBaseTestingUtil();
+
+  private static final File KEYTAB_FILE =
+    new File(UTIL1.getDataTestDir("keytab").toUri().getPath());
+
+  private static final String LOCALHOST = "localhost";
+  private static String CLUSTER_PRINCIPAL;
+  private static String FULL_USER_PRINCIPAL;
+  private static String HTTP_PRINCIPAL;
+
+  private static void setUpKdcServer() throws Exception {
+    KDC = UTIL1.setupMiniKdc(KEYTAB_FILE);
+    String username = UserGroupInformation.getLoginUser().getShortUserName();
+    String userPrincipal = username + '/' + LOCALHOST;
+    CLUSTER_PRINCIPAL = userPrincipal;
+    FULL_USER_PRINCIPAL = userPrincipal + '@' + KDC.getRealm();
+    HTTP_PRINCIPAL = "HTTP/" + LOCALHOST;
+    KDC.createPrincipal(KEYTAB_FILE, CLUSTER_PRINCIPAL, HTTP_PRINCIPAL);
+  }
+
+  private static void setupCluster(HBaseTestingUtil util) throws Exception {
+    Configuration conf = util.getConfiguration();
+
+    SecureTestUtil.enableSecurity(conf);
+    VisibilityTestUtil.enableVisiblityLabels(conf);
+    SecureTestUtil.verifyConfiguration(conf);
+
+    conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,
+      AccessController.class.getName() + ',' + TokenProvider.class.getName());
+
+    HBaseKerberosUtils.setSecuredConfiguration(conf,
+      CLUSTER_PRINCIPAL + '@' + KDC.getRealm(), HTTP_PRINCIPAL + '@' + KDC.getRealm());
+
+    util.startMiniCluster();
+  }
+
+  /**
+   * Sets the security firstly for getting the correct default realm.
+   */
+  @BeforeClass
+  public static void beforeClass() throws Exception {
+    setUpKdcServer();
+    setupCluster(UTIL1);
+    setupCluster(UTIL2);
+
+    try (Admin admin = UTIL1.getAdmin()) {
+      admin.addReplicationPeer("1", ReplicationPeerConfig.newBuilder()
+        .setClusterKey(ZKConfig.getZooKeeperClusterKey(UTIL2.getConfiguration()))
+        .putConfiguration(HBaseKerberosUtils.KRB_PRINCIPAL,
+          UTIL2.getConfiguration().get(HBaseKerberosUtils.KRB_PRINCIPAL))
+        .putConfiguration(HBaseKerberosUtils.MASTER_KRB_PRINCIPAL,
+          UTIL2.getConfiguration().get(HBaseKerberosUtils.MASTER_KRB_PRINCIPAL))
+        .build());
+    }
+  }
+
+  @AfterClass
+  public static void cleanup() throws IOException {
+    UTIL1.shutdownMiniCluster();
+    UTIL2.shutdownMiniCluster();
+  }
+
+  @Parameters
+  public static Collection<Supplier<String>> peer() {
+    return Arrays.asList(
+      () -> "1",
+      () -> ZKConfig.getZooKeeperClusterKey(UTIL2.getConfiguration())
+    );
+  }
+
+  @Parameter
+  public Supplier<String> peer;
+
+  @Test
+  @SuppressWarnings("unchecked")
+  public void testJobCredentials() throws Exception {
+    Job job = new VerifyReplication().createSubmittableJob(
+      new Configuration(UTIL1.getConfiguration()),
+      new String[] {
+        peer.get(),
+        "table"
+      });
+
+    Credentials credentials = job.getCredentials();
+    Collection<Token<? extends TokenIdentifier>> tokens = credentials.getAllTokens();
+    assertEquals(2, tokens.size());
+
+    String clusterId1 = ZKClusterId.readClusterIdZNode(UTIL1.getZooKeeperWatcher());
+    Token<AuthenticationTokenIdentifier> tokenForCluster1 =
+      (Token<AuthenticationTokenIdentifier>) credentials.getToken(new Text(clusterId1));
+    assertEquals(FULL_USER_PRINCIPAL, tokenForCluster1.decodeIdentifier().getUsername());
+
+    String clusterId2 = ZKClusterId.readClusterIdZNode(UTIL2.getZooKeeperWatcher());
+    Token<AuthenticationTokenIdentifier> tokenForCluster2 =
+      (Token<AuthenticationTokenIdentifier>) credentials.getToken(new Text(clusterId2));
+    assertEquals(FULL_USER_PRINCIPAL, tokenForCluster2.decodeIdentifier().getUsername());
+  }
+}