[hobbit] xymon ready to replace bb?

[Ralph Mitchell]

On Thu, Mar 26, 2009 at 5:53 PM, Malcolm Hunter <malcolm.hunter at gmx.co.uk>wrote:

> > The other (the slave one) first checks the status of the other server (a
> > simpel wget of the status page can be enough) and only sends out the
> alert
> > if
> > this page is not green.
> >
> > So, basically, both servers are triggering on the same alert, but the
> > slave
> > server only sends out the alert if the primary server is not green.
>
> Wouldn't there be more involved in this? What if the primary server's
> hobbit daemon was down, but the web service was still running? The secondary
> server would want to report the hobbit daemon being down, but wouldn't
> because the primary server's page was still green and hadn't been updated.
>

The hobbit pages have a time stamp in the title, so the slave can grab the
page, grep for <title>, extract the date, convert to seconds using gnudate.
 Then the slave gets its own timestamp in seconds, subtracts the primary's
time and complains if there's more than a couple of minutes difference.

That timestamp doesn't update if the hobbit daemon is down.

Ralph Mitchell
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