Oh, I overlooked that you are on CRE. With CEE or CME you could send the metrics natively from Checkmk using the micro core. With the RAW edition you need to get creative, but I see you got that covered @pn-rallen. 
Oh, I overlooked that you are on CRE. With CEE or CME you could send the metrics natively from Checkmk using the micro core. With the RAW edition you need to get creative, but I see you got that covered @pn-rallen.