[hobbit] Configuration database backend.

[Bhupendra Patel]

I have requested for unsubscribe my email list, but i
am still getting lost email about hobbit. please take
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Thanks.

--- Henrik Stoerner <henrik at hswn.dk> wrote:

> On Thu, Dec 07, 2006 at 11:27:08PM +0100, Stef Coene
> wrote:
> > On Thursday 07 December 2006 23:01, Trent Melcher
> wrote:
> > > Has anyone thought about or implemented a
> configuration database backend
> > > for hobbit, primarily a database replacement for
> the hobbit-clients.cfg
> > > and hobbit-alerts.cfg to start....these are a
> couple that I would like
> > > to buils a webfront to and be able to give
> limited access to users so
> > > they could modify thresholds and alerting
> capabilities when needed.
> > >
> > > I did this about 4 years back for Big Brother
> using Informix,  I was
> > > able to setup thresholds and a replacement for
> the bb-host file inside a
> > > couple tables in a database.  However back then
> Big Brother was mostly
> > > shell scripts and flat files for all its
> configuration.  So adding hooks
> > > into it for talking to a databse was easy.  With
> hobbit its all compiled
> > > code and Im not sure where to start, plus I
> don't have access to an
> > > Informix database or the API's for it anymore so
> Im looking at mysql and
> > > its api's for writing code in C.
> >
> > We are thinking about using mysql for storing
> trends and status messages.
> > 
> 
> Be careful with the status messages, at least if you
> want to store the
> current status in a DB. Historical status messages -
> those that are
> currently stored in the histlogs/ directory - are
> OK, but for the
> current status log I think that the overhead
> associated with updating
> each status log in a DB every 5 minutes will be very
> high. And the
> number of times you'll actually be retrieving these
> data will probably
> be very small.
> 
> Copying the historical statuslogs (or the current
> ones) is very easy to
> do with an extra Hobbit worker module hanging off
> the "status" or
> "stachg" channels. You do not need to make any
> modifications to Hobbit
> itself - you basically run "hobbitd_channel
> --channel=stachg MYDBPROGRAM" 
> and your program is fed all of the status messages
> on it's STDIN.
> 
> 
> As for the trends data, I believe there are some
> patches to the rrdtool
> library that will let you store the RRD files in a
> DB. Check the rrd-users 
> mailing list.
> 
> 
> My personal favourite for a DB backend would be
> SQLite, since this
> eliminates all requirements for an external DB
> ressource. You don't
> want your monitoring to stop working when the DB
> becomes inaccessible.
> 
> 
> 
> Regards,
> Henrik
> 
> 
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> to
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> 
> 
> 



 
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