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https://issues.apache.org/jira/browse/STORM-346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074670#comment-14074670
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ASF GitHub Bot commented on STORM-346:
--------------------------------------
Github user revans2 commented on a diff in the pull request:
https://github.com/apache/incubator-storm/pull/190#discussion_r15414654
--- Diff:
storm-core/src/jvm/backtype/storm/security/auth/kerberos/AutoHDFS.java ---
@@ -0,0 +1,254 @@
+/**
+ * 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 backtype.storm.security.auth.kerberos;
+
+import backtype.storm.Config;
+import backtype.storm.security.INimbusCredentialPlugin;
+import backtype.storm.security.auth.IAutoCredentials;
+import backtype.storm.security.auth.ICredentialsRenewer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.security.auth.Subject;
+import javax.xml.bind.DatatypeConverter;
+import java.io.*;
+import java.lang.reflect.Method;
+import java.net.URI;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Automatically get HDFS delegation tokens and push it to user's
topology. The class
+ * assumes that HDFS configuration files are in your class path.
+ */
+public class AutoHDFS implements IAutoCredentials, ICredentialsRenewer,
INimbusCredentialPlugin {
+ private static final Logger LOG =
LoggerFactory.getLogger(AutoHDFS.class);
+ public static final String HDFS_CREDENTIALS = "HDFS_CREDENTIALS";
+
+ public void prepare(Map conf) {
+ LOG.debug("no op.");
--- End diff --
A comment would be better then logging.
> (Security) Oozie style delegation tokens for HDFS/HBase
> -------------------------------------------------------
>
> Key: STORM-346
> URL: https://issues.apache.org/jira/browse/STORM-346
> Project: Apache Storm (Incubating)
> Issue Type: Bug
> Reporter: Robert Joseph Evans
> Assignee: Parth Brahmbhatt
> Labels: security
>
> Oozie has the ability to fetch delegation tokens on behalf of other users by
> running as a super user that can become a proxy user for almost anyone else.
> We should build one or more classes similar to AutoTGT that can fetch a
> delegation token for HDFS/HBase, renew the token if needed, and then once the
> token is about to permanently expire fetch a new one.
> According to some people I have talked with HBase may need to have a JIRA
> filed against it so that it can pick up a new delegation token without
> needing to restart the process.
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