Chris,
Have your tried just:
${plugin}.${type_instance}
? Are you sure (via LogAttributes or something) that the attributes you're
using are actually there? What are you getting with the values you've
tried so far?
Brandon
On Fri, Feb 12, 2016 at 1:58 PM, Christopher Wilson <wilson...@gmail.com>
wrote:
> I wanted to create an attribute by concatenating two attributes with a
> connector string ('.' or '_') using the UpdateAttribute processor.
>
> For example I have some JSON formatted data coming off CollectD that I'm
> trying to reshape for OpenTSDB. I'm pulling out attributes like 'plugin'
> ("cpu") and 'type_instance' ("user") and I want to concatonate them into an
> OpenTSDB metric like "cpu.system".
>
> I've tried append in various configurations, ${plugin}"."${type_instance}
> as an entry, and a few others and have not gotten to the end yet.
>
> Any help appreciated, thanks.
>
> -Chris
>
