Hi Yemi: Although not exactly related, I assume you know about this:
http://www.cuddletech.com/code/toasterview/ I will be interested in trying out your patch. We use NetApp filers as our main NFS servers and once in a blue moon we would have huge cluster jobs that spike the NFS servers - at that point it'd be nice to have Ganglia poll some information out of them to find out what's going on... Thanks, Bernard > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On > Behalf Of Adeyemi Adesanya > Sent: Thursday, December 15, 2005 10:24 > To: [EMAIL PROTECTED] > Cc: ganglia-developers@lists.sourceforge.net > Subject: Re: [Ganglia-developers] Host spoofing for SNMP > > > Hi Martin. > > I will put in some testing time before submitting code along with > documentation. This is of great importance to me because I need to > monitor Network Appliance (NetApp) boxes. > > It is also worth considering security implications. Once the > recipient gmond has processed the spoof message, it is > indistinguishable from any other gmetric message. The Web frontend > has no clue! > > ------ > Yemi > > > On Dec 15, 2005, at 3:18 AM, Martin Knoblauch wrote: > > > Yemi, > > > > please open a bugzilla entry, assign to me and attach your patch > > (diff > > -u format). > > > > The functionality sounds interesting to consider. I assume you are > > willing to provide the documantation for it :-) > > > > Another thing I always wanted is a way to fix up the host name in > > "gmond" reporting. I have one installation with machines having > > NICs in > > a high-availability setup. They actually change their DNS > names when a > > switch occurs, screwing the statistics royally. > > > > Cheers > > Martin > > > > --- "Adesanya, Adeyemi" <[EMAIL PROTECTED]> wrote: > > > >> > >> > >> Hi There. > >> > >> I have been thinking about using Ganglia to monitor a broader range > >> of networked devices for a while. Many of these systems do not run > >> common OS platforms and communicate via the SNMP protocol. > Last year > >> I came up with a Ganglia 2.5.x hack that enabled a host to send > >> gmetric updates on behalf of another device (I call it spoofing). I > >> have just added the same functionality on top of Ganglia > 3.0.x and it > >> appears to be working OK. > >> > >> I modified lib/protocol.x and created a new message type > that adds a > >> spoof IP address and host/device name to the existing gmetric data > >> struct. Here's an example of it in use: > >> > >> 'gmetric --help' now lists a new option: > >> > >> -S, --spoof=STRING IP address and name of host/device (colon > >> separated) we > >> are spoofing (default=`') > >> > >> you use it like this: > >> > >> 'gmetric -c cfile -n dataRateIn -v 1234231434 -t uint32 -u bytes -S > >> 123.456.789.012:[EMAIL PROTECTED] > >> > >> Add querying your target gmond shows the following: > >> > >> <HOST NAME="[EMAIL PROTECTED]" IP="123.456.789.012" > >> REPORTED="1134604773" TN="9" TMAX="20" DMAX="86400" > >> LOCATION="unspecified" GMOND_STARTED="0"> > >> <METRIC NAME="dataRateIn" VAL="1234231434" TYPE="uint32" > >> UNITS="bytes" TN="9" TMAX="60" DMAX="0" SLOPE="both" > >> SOURCE="gmetric"/> > >> </HOST> > >> > >> I'll be using this feature in production for sure and I'd > like to get > >> the CVS maintainers to review my code and add it to CVS. > >> > >> ------ > >> Yemi > >> > >> > >> > >> ------------------------------------------------------- > >> This SF.net email is sponsored by: Splunk Inc. Do you grep through > >> log files > >> for problems? Stop! Download the new AJAX search engine > that makes > >> searching your log files as easy as surfing the web. DOWNLOAD > >> SPLUNK! > >> http://ads.osdn.com/?ad_idv37&alloc_id865&op=click > >> _______________________________________________ > >> Ganglia-developers mailing list > >> Ganglia-developers@lists.sourceforge.net > >> https://lists.sourceforge.net/lists/listinfo/ganglia-developers > >> > >> > > > > > > ------------------------------------------------------ > > Martin Knoblauch > > email: k n o b i AT knobisoft DOT de > > www: http://www.knobisoft.de > > > > ------------------------------------------------------- > This SF.net email is sponsored by: Splunk Inc. Do you grep > through log files > for problems? Stop! Download the new AJAX search engine that makes > searching your log files as easy as surfing the web. > DOWNLOAD SPLUNK! > http://ads.osdn.com/?ad_idv37&alloc_id865&op=ick > _______________________________________________ > Ganglia-developers mailing list > Ganglia-developers@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ganglia-developers >
