[collectd] How to monitor multiple instances of something with the same python module?

[Finn, Dan]

I'll be using python modules to get metrics on various things, for example 
mongo and redis.  On each server that we have we run multiple instances of both 
of those daemons.  I am trying to setup collectd to monitor all of them but am 
running into an issue.  I'm configuring my python module like so:


<Plugin python>
    ModulePath "/var/lib/collectd/plugins/python"
    Import "mongodb"

    <Module mongodb>
        Host "127.0.0.1"
        Port 26001
        Database "admin" "local"
    </Module>

    <Module mongodb>
        Host "127.0.0.1"
        Port 26002
        Database "admin" "local"
    </Module>

    <Module mongodb>
        Host "127.0.0.1"
        Port 26003
        Database "admin" "local"
    </Module>

    <Module mongodb>
        Host "127.0.0.1"
        Port 26004
        Database "admin" "local"
    </Module>
</Plugin>

This doesn't give any errors but it seems to only collect metrics for the last 
instance referenced in the config, the one on port 26004 in this example.  I 
tried setting this up a couple of different ways in the config without any 
luck, I also tried having multiple <Plugin></Plugin> stanzas for each instance 
but that didn't work either.

What is the correct way to accomplish this?

Thanks,
Dan


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