[jira] Updated: (HADOOP-1508) ant Task for FsShell operations

["Chris Douglas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-1508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Chris Douglas updated HADOOP-1508:
----------------------------------

    Status: Patch Available  (was: Open)

This patch provides the first version of an ant Task wrapping FsShell.

In addition to providing a pass-through for FsShell commands, it also implements test and touch in FsShell. The former remains an undocumented command.

Several issues remain to be resolved.

1) It will only work for developer builds. It needs to be repackaged to run from a jar on ant's classpath, taking the location of hadoop jars as a parameter.
2) Since it's wrapping an exec-like interface, it provides special handling for test so if, unless, etc. in ant work as expected. The way it does it is only marginally reusable. It might be useful to refactor FsShell to provide a cleaner interface.
3) Configuration files, etc. must be on the local file system
4) A facility for testing this- that also starts and stops a single namenode/datanode- would be useful

> ant Task for FsShell operations
> -------------------------------
>
>                 Key: HADOOP-1508
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1508
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: build, fs
>            Reporter: Chris Douglas
>            Priority: Minor
>
> This issue will document the requirements, design and implementation of an ant Task providing FsShell functionality within that framework.

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