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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8007) HA: use substitution token for fencing argument
Date Wed, 04 Apr 2012 14:13:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246282#comment-13246282
] 

Hudson commented on HADOOP-8007:
--------------------------------

Integrated in Hadoop-Mapreduce-trunk #1040 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1040/])
    HADOOP-8007. Use substitution tokens for fencing argument. Contributed by Todd Lipcon.
(Revision 1309285)

     Result = FAILURE
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1309285
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/HAServiceTarget.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ha/ShellCommandFencer.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/ha/TestShellCommandFencer.java

                
> HA: use substitution token for fencing argument
> -----------------------------------------------
>
>                 Key: HADOOP-8007
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8007
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ha
>    Affects Versions: 2.0.0
>            Reporter: Aaron T. Myers
>            Assignee: Todd Lipcon
>             Fix For: 2.0.0
>
>         Attachments: hadoop-8007.txt, hadoop-8007.txt
>
>
> Per HADOOP-7983 currently the fencer always passes the target host:port to fence as the
first argument to the fence script, it would be better to use a substitution token. That is
to say, the user would configure "myfence.sh $TARGETHOST foo bar" and Hadoop would substitute
the target. This would allow use of pre-existing scripts that might have a different ordering
of arguments without a wrapper.

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