Monitoring MegaRAID using Telegraf

megaraid.conf

# Documented at https://ivdl.co.za/2023/09/12/monitoring-megaraid-arrays-using-telegraf-and-megaraidsas-status-on-linux/
# Covers megaraidsas-status and megacli
# Modifications to sudoers file required - documented above
[[inputs.exec]]
  commands = ["bash -c 'sudo megaraidsas-status | grep RAID | grep -q -v degraded && echo true || echo false'"]

  name_override = "megaraid_optimal"
  value_field_name = "is_optimal"

  data_format = "value"
  data_type = "boolean"