# check if entropy is too low
# the alarm is checked every 1 minute
# and examines the last hour of data

      alarm: lowest_entropy
         on: system.entropy
      class: Utilization
       type: System
  component: Cryptography
host labels: _os=linux
     lookup: min -5m unaligned
      units: entries
      every: 5m
       warn: $this < (($status >= $WARNING) ? (200) : (100))
      delay: down 1h multiplier 1.5 max 2h
    summary: System entropy pool number of entries
       info: Minimum number of entries in the random numbers pool in the last 5 minutes
         to: silent