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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8007) HA: use substitution token for fencing argument
Date Wed, 04 Apr 2012 07:57:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246098#comment-13246098
] 

Hadoop QA commented on HADOOP-8007:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12521287/hadoop-8007.txt
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    -1 core tests.  The patch failed these unit tests:
                  org.apache.hadoop.fs.viewfs.TestViewFsTrash
                  org.apache.hadoop.ha.TestZKFailoverController

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/818//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/818//console

This message is automatically generated.
                
> 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
>         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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