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https://issues.apache.org/jira/browse/HADOOP-19306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898011#comment-17898011
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ASF GitHub Bot commented on HADOOP-19306:
-----------------------------------------
szetszwo commented on code in PR #7140:
URL: https://github.com/apache/hadoop/pull/7140#discussion_r1840921050
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SaslMechanismFactory.java:
##########
@@ -0,0 +1,75 @@
+/*
+ * 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.security;
+
+import org.apache.hadoop.HadoopIllegalArgumentException;
+import org.apache.hadoop.classification.InterfaceAudience;
+import org.apache.hadoop.classification.InterfaceStability;
+import org.apache.hadoop.conf.Configuration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static
org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_SECURITY_SASL_MECHANISM_DEFAULT;
+import static
org.apache.hadoop.fs.CommonConfigurationKeysPublic.HADOOP_SECURITY_SASL_MECHANISM_KEY;
+
+/**
+ * SASL related constants.
+ */
[email protected]({"HDFS", "MapReduce"})
[email protected]
+public final class SaslMechanismFactory {
+ static final Logger LOG =
LoggerFactory.getLogger(SaslMechanismFactory.class);
+
+ private static final String SASL_MECHANISM_ENV = "HADOOP_SASL_MECHANISM";
+ private static final String SASL_MECHANISM;
+
+ static {
+ // env
+ final String envValue = System.getenv(SASL_MECHANISM_ENV);
+ LOG.debug("{} = {} (env)", SASL_MECHANISM_ENV, envValue);
+
+ // conf
+ final Configuration conf = new Configuration();
Review Comment:
I seems to recall similar problem so that I did not use conf previously. Cc
@stoty
@jojochuang , If we use `new Configuration(false)`, the value is not set
when the application loads configuration from a custom path. That application
must set env variable. Is it okay?
> Support user defined auth Callback in SaslRpcServer
> ---------------------------------------------------
>
> Key: HADOOP-19306
> URL: https://issues.apache.org/jira/browse/HADOOP-19306
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc, security
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Labels: pull-request-available
>
> Similar to HDFS-17576, SaslRpcServer should support CustomizedCallbackHandler.
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