Re: [Ganglia-developers] Thoughts on host spoofing

2009-02-06 Thread Brad Nicholes
>>> On 2/5/2009 at 11:36 PM, in message , Spike Spiegel wrote: > Hi, > > thanks for the clarification, > > On Thu, Feb 5, 2009 at 11:44 PM, Brad Nicholes wrote: > >> Anything else the spoofing module needs to do beyond this >> it completely up to the module developer. Any or all of what you >

Re: [Ganglia-developers] Thoughts on host spoofing

2009-02-06 Thread Brad Nicholes
>>> On 2/5/2009 at 11:52 PM, in message , >>> Rick Cobb wrote: > I'm finding this discussion a bit ironic; in my environment, we're strongly > considering pulling all of the naming out of gmond & gmetad, and only doing > the hostname lookups in the PHP front-end. That way there's no need to de

Re: [Ganglia-developers] Thoughts on host spoofing

2009-02-06 Thread Spike Spiegel
On Fri, Feb 6, 2009 at 2:52 PM, Rick Cobb wrote: > My thought > is that the fewer underlying services a monitoring system needs to work, the > more likely it is to work. Absolutely, but dns itself is actually a good example of how introducing a dependency was necessary to make "a service" usable.

Re: [Ganglia-developers] Thoughts on host spoofing

2009-02-05 Thread Rick Cobb
I'm finding this discussion a bit ironic; in my environment, we're strongly considering pulling all of the naming out of gmond & gmetad, and only doing the hostname lookups in the PHP front-end. That way there's no need to deal with DNS or host naming issues in most of the cluster(s) we monitor

Re: [Ganglia-developers] Thoughts on host spoofing

2009-02-05 Thread Spike Spiegel
Hi, thanks for the clarification, On Thu, Feb 5, 2009 at 11:44 PM, Brad Nicholes wrote: > Anything else the spoofing module needs to do beyond this > it completely up to the module developer. Any or all of what you > described below should just be module implementation details. Ok, so given t

Re: [Ganglia-developers] Thoughts on host spoofing

2009-02-05 Thread Brad Nicholes
A couple of clarifications. 1). Spoofing is achieved by creating a spoofing module and having that module discover the hosts that should be spoofed, in any way the module wants. The discovery could be done by querying the network for a specific type of device or appliance or by simply readin

[Ganglia-developers] Thoughts on host spoofing

2009-02-04 Thread Spike Spiegel
Hi, while looking at taking advantage of host spoofing a few things came up that I'd like to discuss. Assuming that host spoofing can be used for: a) overriding host names because using PTRs can be a PITA depending on the infrastructure (for example if you have tun/ethX prefixes) b) streamlining