Re: curl-loader needs a big WARNING message

[Robert I. <cor...@gm...>]

Hi Edward,

On Wed, Nov 26, 2008 at 8:24 PM, Edward Lott <ed...@je...> wrote:

>  I recently tried to use curl-loader to test a production server.  I
> didn't realize (until looking at the source) that curl-loader made kernel
> calls to modify the network configuration of the server it runs on (i.e.
> adding static IP addresses to server and changing the routing table).
>

It is a testing tool, isn't it? The place for testing tools are
at testing machines in the lab.

>
>
> I assumed that the INTERFACE, IP_ADDR_MIN and IP_ADDR_MAX worked with
> definitions that already existed, vs actually making them.  Creating these
> definitions is potentially VERY DANGEROUS, especially if the program is run
> on a production system.  Most folks will want to run tools like cur-loader
> on systems that are on the same segment as the server they're testing.  For
> me, this meant running it on another production server since we work with a
> hosting provider.  The resulting curl-loader changes to the IP configuration
> of the machine it ran on caused 1 week of general mayhem.
>
>
>
> Suggestions:
>
>
>
> 1)      Add a BIG warning about IP network configuration by curl-loader
>
I am in disagreement with you.

> 2)      Create a –changeNetworkIfNeeded option.  Without this option,
> curl-loader will attempt to satisfy INTERFACE, IP_ADDR_MIN and IP_ADDR_MAX
> without reconfiguring the network of the host it runs on.  If the host can't
> satisfy what's requested, curl-loader errors out, telling the user to use
> the changeNetworkIfNeeded option to make the test work.
>

There are options for doing that, please read the FAQs.

Truly,
Robert Iakobashvili, Ph.D.
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