navinko commented on code in PR #9868:
URL: https://github.com/apache/ozone/pull/9868#discussion_r3045924126


##########
hadoop-ozone/cli-debug/src/main/java/org/apache/hadoop/ozone/debug/kdiag/AuthorizationProbe.java:
##########
@@ -0,0 +1,54 @@
+/*
+ * 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.ozone.debug.kdiag;
+
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+
+/**
+ * Validates Ozone and Hadoop RPC authorization configuration.
+ */
+public class AuthorizationProbe implements DiagnosticProbe {
+
+  @Override
+  public String name() {
+    return "Authorization Configuration";
+  }
+
+  @Override
+  public boolean run() {
+    System.out.println("-- Authorization Configuration --");

Review Comment:
   renamed to test.



##########
hadoop-ozone/cli-debug/src/main/java/org/apache/hadoop/ozone/debug/authtolocal/KerbNameDebug.java:
##########
@@ -0,0 +1,67 @@
+/*
+ * 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.ozone.debug.authtolocal;
+
+import java.util.List;
+import java.util.concurrent.Callable;
+import org.apache.hadoop.hdds.cli.DebugSubcommand;
+import org.apache.hadoop.hdds.conf.OzoneConfiguration;
+import org.apache.hadoop.security.authentication.util.KerberosName;
+import org.kohsuke.MetaInfServices;
+import picocli.CommandLine;
+
+/**
+ * Debug command to translate Kerberos principals into local user names
+ * using the configured auth_to_local rules.
+ *
+ * Example:
+ *   ozone debug kerbname testuser/[email protected]
+ */
[email protected](
+    name = "kerbname",
+    description = "Translate Kerberos principal(s) using auth_to_local rules."
+)
+@MetaInfServices(DebugSubcommand.class)
+public class KerbNameDebug implements Callable<Void>, DebugSubcommand {
+
+  @CommandLine.Parameters(arity = "1..*",
+      description = "Kerberos principal(s) to translate"
+  )
+  private List<String> principals;
+
+  @Override
+  public Void call() throws Exception {
+    System.out.println("-- Kerberos Principal Translation --");
+    OzoneConfiguration conf = new OzoneConfiguration();

Review Comment:
   Thanks @adoroszlai tried incorporation suggestions.



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