#! /bin/bash
: << =cut

=head1 NAME

smart_array_disks_temperature - Plugin to monitor temperature of disk on HP Raid cards.

=head1 APPLICABLE SYSTEMS

Only tested on HP Microserver Gen8 with Smart Array P222.

Maybe works with other HP Prolant Raid cards.

=head1 CONFIGURATION

/etc/munin/plugin-conf.d/global or other file in that dir must contain:

[smart_array_disks_temperature*]
  user root

=head1 NOTES

Uses the command "ssacli"

=head1 AUTHOR

Damien Broqua (https://framagit.org/dbroqua)

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

  #%# family=auto
  #%# capabilities=autoconf

=cut

IFS=$'\n'

# Function to list all slots
getSlots () {
  list=`ssacli ctrl all show config|grep "Slot"|awk -F'Slot ' '{print $2}'|cut -d' ' -f1`

  return $list
}

# Function to get disk of one specified slot
getDisks () {
  slot=$1
  
  list=`ssacli ctrl slot=${slot} pd all show status|grep "physicaldrive"|awk -F 'physicaldrive' '{print $2}'|cut -d ' ' -f2`
  for disk in ${list[@]} ; do
    if [ "${2}" = "config" ]; then
      diskName=`ssacli ctrl slot=${slot} pd ${disk} show detail|grep "Model"|cut -d':'  -f2`

      echo "${slot}${disk}CurrentTemperature(C).label (${disk}) ${diskName} "
    else
      diskDetails=`ssacli ctrl slot=${slot} pd ${disk} show detail|grep 'Current Temperature'`
      temps="${diskDetails}"
     
      for temp in ${temps[@]}; do
        line="$(echo -e "${temp}" | tr -d '[:space:]'|sed -e "s/:/.value /g")"
        echo ${slot}${disk}${line}
      done
    fi
  done
}

# Config, set graph title
if [ "${1}" = "config" ]; then
  echo "graph_title SMART Array disk temperature"
  echo "graph_vlabel Degrees celcius"
  echo "graph_category sensors"
fi

# Start script by getting list of slots
getSlots
slots=$?

# For each slot, get disks
for i in ${list[@]} ; do
  getDisks $i $1
done