Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/2062#discussion_r111153449
--- Diff:
external/storm-kafka-client/src/main/java/org/apache/storm/kafka/spout/KafkaSpoutSecurity.java
---
@@ -0,0 +1,40 @@
+/*
+ * 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.storm.kafka.spout;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import javax.security.auth.login.Configuration;
+
+public class KafkaSpoutSecurity {
+
+ private static final Logger LOG =
LoggerFactory.getLogger(KafkaSpoutSecurity.class);
+ private static final String KERBEROS_AUTH_JASSCONF =
"java.security.auth.login.config";
+
+ public synchronized static void PrepareKerberos(String pathToJaas) {
+ if(pathToJaas == null || pathToJaas.isEmpty()){
+ LOG.info("No jaas.conf found.");
+ }else{
+ Configuration login_conf = Configuration.getConfiguration();
+ System.setProperty(KERBEROS_AUTH_JASSCONF, pathToJaas);
+ login_conf.refresh();
+ LOG.info("Use storm-kakfa-client in Security mode.");
+ }
--- End diff --
Nitpick: Weird indentation
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