Hello,
I am investigating implementing some custom metrics in ganglia for use with
greceptor, specifically, to monitor hardware attributes.
It looks straightforward, but I think I've hit a bit of a wrinkle. I've got
systems in my cluster that are slightly assymetrical (i.e. some have two
CPUs, some have only one CPU) -- which means that I would need to make two
copies of my very simple greceptor plugin -- one for CPU 0, and one for CPU
1, and hardwire the specific CPU information into each one.
This is not really ideal, as that means I have to do a hardware inventory on
a system-by-system basis to avoid creating more scripts than CPUs, or fewer
scripts than CPUs.
What would be ideal would be if I reference CPU information as generic
variables in the plugin, and it would be able to call each CPU individually
and return numbers to ganglia, i.e.
-- cut --
def value(self):
cmd = 'read-cpu-temp %i' % cpu_id
temp = os.popen(cmd).readline()
return int(temp)
-- cut --
The question is ... is it possible to pass the CPU identity into the
Is such a thing possible?
I looked through Google and the ganglia-info list archives and couldn't find
any mention of it. Is there some documentation on greceptor plugins?
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