Re: Database update problem from crontab on ubuntu server

From: "Medi Montaseri" <montaseri(at)gmail(dot)com>
To: "Phillip Smith" <phillip(dot)smith(at)weatherbeeta(dot)com(dot)au>
Cc: "David Jorjoliani" <djorj(at)mysoft(dot)ge>, pgsql-admin(at)postgresql(dot)org
Subject: Re: Database update problem from crontab on ubuntu server
Date: 2008-04-21 03:35:16
Message-ID: 8078a1730804202035ge51ac9ela928b4dd018881f9@mail.gmail.com
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The usual trap in cron usage is the fact that crontab commands are executed
in a cleanroom environment, ie no environment variable is used/inherited, so
PATH, HOME, PGDATA, etc are not set/available when the command is launched.

You can set vars or be very explicit in your script including DB names, DB
Users, etc

Cheers
Medi

On Sun, Apr 20, 2008 at 5:08 PM, Phillip Smith <
phillip(dot)smith(at)weatherbeeta(dot)com(dot)au> wrote:

> > same result when it running trough cronjob. Manually everything is
> > fine. Even I put this commands (without su -l ...) in postgres user
> > crontab, but same result.
> >
> > Server is ubuntu 64bit. Does it makes any difference from 32bit in
> > terms of crontab functionality?
>
> System architecture shouldn't affect crontab. Can you give us the
> full output from cron? Also, just for debugging's sake, try putting
> it in a script and call the script from cron.
>
> If it still fails, then it might help identify exactly where the
> error is. If it doesn't fail, then you can start shrinking it all
> back down in to one line again and see where the error comes in.
>
> #!/bin/bash
>
> BACKUP_FILE_GZ='/backup/rms.gz'
> BACKUP_FILE='/tmp/rms.sql'
>
> echo "-----------------------------------------------"
> echo "Unzipping backup..."
> /bin/gunzip -c ${BACKUP_FILE_GZ} > ${BACKUP_FILE}
>
> echo "-----------------------------------------------"
> echo "Attempting restore..."
> /usr/bin/psql rms < ${BACKUP_FILE}
>
> echo "-----------------------------------------------"
> echo "Done"
>
>
> THINK BEFORE YOU PRINT - Save paper if you don't really need to print this
>
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