Github user sudheeshkatkam commented on a diff in the pull request:
https://github.com/apache/drill/pull/578#discussion_r102390094
--- Diff: common/src/main/java/org/apache/drill/common/KerberosUtil.java ---
@@ -0,0 +1,76 @@
+/**
+ * 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.drill.common;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.Preconditions.checkState;
+
+public final class KerberosUtil {
+ private static final org.slf4j.Logger logger =
org.slf4j.LoggerFactory.getLogger(KerberosUtil.class);
+
+ public static final String KERBEROS_SASL_NAME = "GSSAPI";
+
+ public static final String KERBEROS_SIMPLE_NAME = "KERBEROS";
--- End diff --
+ For a user, _auth=KERBEROS_ seems easier than _auth=GSSAPI_, and so I
thought why not for admin as well (just like other Hadoop projects).
+ [This
link](http://docs.oracle.com/javase/jndi/tutorial/ldap/security/gssapi.html)
says _GSS-API SASL mechanism was retrofitted to mean only Kerberos v5._
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