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From "Eric Yang (JIRA)" <>
Subject [jira] Updated: (CHUKWA-446) Refactor tools/init.d scripts
Date Tue, 19 Jan 2010 01:40:54 GMT


Eric Yang updated CHUKWA-446:

    Attachment: chukwa

Consolidate Chukwa shell scripts into a single chukwa command:

Usage: chukwa [--config confdir] COMMAND
where COMMAND is one of:
  agent         run a Chukwa Agent
  archive       run the Archive Manager
  collector     run a Chukwa Collector
  demux         run the Demux Manager
  dataloader    run the Post Demux Data Loaders
  hicc          run a HICC Webserver
  version       print the version
  backfill      run a back fill data loader utility
  dumpArchive   view an archive file
  dumpRecord    view a record file
Most command print help when invoked w/o parameters.

The long list of shell scripts that didn't make to this list will be deleted, unless someone
voice their concerns.

> Refactor tools/init.d scripts
> -----------------------------
>                 Key: CHUKWA-446
>                 URL:
>             Project: Hadoop Chukwa
>          Issue Type: Improvement
>            Reporter: Bill Graham
>            Assignee: Eric Yang
>         Attachments: chukwa
> 1. The scripts try to write lock files to /var/lock/subsys, which is owned by root. We
should change this location to be somewhere that doesn't require root access.
> 2. The actual run command does an su to the CHUKWA_USER which also caused problems for
us. It seems like it would be cleaner to not embed the su calls in the script, but instead
allow the user to su when they run the script (which worked much better for us). That way
everything done by the script would be done by the same user.
> 3. Each script has CHUKWA_HOME, CHUKWA_CONF_DIR and CHUKWA_USER hard coded. Hard coded
defaults is ok, but the ability to override them without modifying the scripts would be ideal.

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