HDFS-14261. Kerberize JournalNodeSyncer unit test. Contributed by Siyao Meng.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/qjournal/server/TestJournalNodeSync.java

@@ -20,6 +20,7 @@ package org.apache.hadoop.hdfs.qjournal.server;
 import com.google.common.base.Supplier;
 import com.google.common.collect.Lists;
 import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileUtil;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.hdfs.DFSConfigKeys;
 import org.apache.hadoop.hdfs.DistributedFileSystem;
@@ -29,16 +30,25 @@ import org.apache.hadoop.hdfs.protocol.HdfsConstants;
 import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
 import org.apache.hadoop.hdfs.qjournal.MiniJournalCluster;
 import org.apache.hadoop.hdfs.qjournal.MiniQJMHACluster;
+import org.apache.hadoop.hdfs.qjournal.TestSecureNNWithQJM;
 import org.apache.hadoop.hdfs.server.common.Storage.StorageDirectory;
 import org.apache.hadoop.hdfs.server.namenode.FSNamesystem;
 import org.apache.hadoop.hdfs.server.namenode.FileJournalManager.EditLogFile;
+import static org.apache.hadoop.hdfs.DFSConfigKeys.*;
 import static org.apache.hadoop.hdfs.server.namenode.FileJournalManager
     .getLogFile;
 import org.apache.hadoop.hdfs.server.protocol.NamespaceInfo;
+import org.apache.hadoop.http.HttpConfig;
+import org.apache.hadoop.minikdc.MiniKdc;
+import org.apache.hadoop.security.SecurityUtil;
+import org.apache.hadoop.security.UserGroupInformation;
+import org.apache.hadoop.security.ssl.KeyStoreTestUtil;
 import org.apache.hadoop.test.GenericTestUtils;
 import org.junit.After;
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TestName;
@@ -46,6 +56,7 @@ import org.junit.rules.TestName;
 import java.io.File;
 import java.io.IOException;
 import java.util.List;
+import java.util.Properties;
 import java.util.Random;
 
 /**
@@ -62,12 +73,85 @@ public class TestJournalNodeSync {
   private int activeNNindex=0;
   private static final int DFS_HA_TAILEDITS_PERIOD_SECONDS=1;
 
+  private static HdfsConfiguration baseConf;
+  private static File baseDir;
+  private static String keystoresDir;
+  private static String sslConfDir;
+  private static MiniKdc kdc;
+
   @Rule
   public TestName testName = new TestName();
 
+  @BeforeClass
+  public static void init() throws Exception {
+    // Init Kerberos
+    baseDir =
+        GenericTestUtils.getTestDir(TestSecureNNWithQJM.class.getSimpleName());
+    FileUtil.fullyDelete(baseDir);
+    Assert.assertTrue(baseDir.mkdirs());
+
+    Properties kdcConf = MiniKdc.createConf();
+    kdc = new MiniKdc(kdcConf, baseDir);
+    kdc.start();
+
+    baseConf = new HdfsConfiguration();
+    SecurityUtil.setAuthenticationMethod(
+        UserGroupInformation.AuthenticationMethod.KERBEROS, baseConf);
+    UserGroupInformation.setConfiguration(baseConf);
+    Assert.assertTrue("Expected configuration to enable security",
+        UserGroupInformation.isSecurityEnabled());
+
+    String userName = UserGroupInformation.getLoginUser().getShortUserName();
+    File keytabFile = new File(baseDir, userName + ".keytab");
+    String keytab = keytabFile.getAbsolutePath();
+    // Windows will not reverse name lookup "127.0.0.1" to "localhost".
+    String krbInstance = Path.WINDOWS ? "127.0.0.1" : "localhost";
+    kdc.createPrincipal(keytabFile,
+        userName + "/" + krbInstance,
+        "HTTP/" + krbInstance);
+    String hdfsPrincipal = userName + "/" + krbInstance + "@" + kdc.getRealm();
+    String spnegoPrincipal = "HTTP/" + krbInstance + "@" + kdc.getRealm();
+
+    baseConf.set(DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
+    baseConf.set(DFS_NAMENODE_KEYTAB_FILE_KEY, keytab);
+    baseConf.set(DFS_DATANODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
+    baseConf.set(DFS_DATANODE_KEYTAB_FILE_KEY, keytab);
+    baseConf.set(DFS_WEB_AUTHENTICATION_KERBEROS_PRINCIPAL_KEY,
+        spnegoPrincipal);
+    baseConf.set(DFS_JOURNALNODE_KEYTAB_FILE_KEY, keytab);
+    baseConf.set(DFS_JOURNALNODE_KERBEROS_PRINCIPAL_KEY, hdfsPrincipal);
+    baseConf.set(DFS_JOURNALNODE_KERBEROS_INTERNAL_SPNEGO_PRINCIPAL_KEY,
+        spnegoPrincipal);
+    baseConf.setBoolean(DFS_BLOCK_ACCESS_TOKEN_ENABLE_KEY, true);
+    baseConf.set(DFS_DATA_TRANSFER_PROTECTION_KEY, "authentication");
+    baseConf.set(DFS_HTTP_POLICY_KEY, HttpConfig.Policy.HTTPS_ONLY.name());
+    baseConf.set(DFS_NAMENODE_HTTPS_ADDRESS_KEY, "localhost:0");
+    baseConf.set(DFS_DATANODE_HTTPS_ADDRESS_KEY, "localhost:0");
+    baseConf.set(DFS_JOURNALNODE_HTTPS_ADDRESS_KEY, "localhost:0");
+    baseConf.setInt(IPC_CLIENT_CONNECT_MAX_RETRIES_ON_SASL_KEY, 10);
+
+    keystoresDir = baseDir.getAbsolutePath();
+    sslConfDir = KeyStoreTestUtil.getClasspathDir(
+        TestSecureNNWithQJM.class);
+    KeyStoreTestUtil.setupSSLConfig(keystoresDir, sslConfDir, baseConf, false);
+    baseConf.set(DFS_CLIENT_HTTPS_KEYSTORE_RESOURCE_KEY,
+        KeyStoreTestUtil.getClientSSLConfigFileName());
+    baseConf.set(DFS_SERVER_HTTPS_KEYSTORE_RESOURCE_KEY,
+        KeyStoreTestUtil.getServerSSLConfigFileName());
+  }
+
+  @AfterClass
+  public static void destroy() throws Exception {
+    if (kdc != null) {
+      kdc.stop();
+    }
+    FileUtil.fullyDelete(baseDir);
+    KeyStoreTestUtil.cleanupSSLConfig(keystoresDir, sslConfDir);
+  }
+
   @Before
-  public void setUpMiniCluster() throws IOException {
-    conf = new HdfsConfiguration();
+  public void setUpMiniCluster() throws Exception {
+    conf = new HdfsConfiguration(baseConf);
     conf.setBoolean(DFSConfigKeys.DFS_JOURNALNODE_ENABLE_SYNC_KEY, true);
     conf.setLong(DFSConfigKeys.DFS_JOURNALNODE_SYNC_INTERVAL_KEY, 1000L);
     if (testName.getMethodName().equals(
@@ -518,6 +602,8 @@ public class TestJournalNodeSync {
    * @return the startTxId of next segment after rolling edits.
    */
   private long generateEditLog(int numEdits) throws IOException {
+    // rollEditLog first due to OP_UPDATE_MASTER_KEY
+    dfsCluster.getNameNode(activeNNindex).getRpcServer().rollEditLog();
     long lastWrittenTxId = dfsCluster.getNameNode(activeNNindex).getFSImage()
         .getEditLog().getLastWrittenTxId();
     for (int i = 1; i <= numEdits; i++) {