This is a small check program which takes a key and a timeframe, gets the graphite data and then checks the returned values against the warning and error levels. If any one value raises a warning or error, this will be reported back. So in the timeframe selected, the worst case error is returned.
Gibheer/check_graphite
nagios compatible plugin written in go to check time series information in graphite datasources (metric tank, influx,...)