#!/bin/bash
################################################
### Managed by someone's ansible provisioner ###
################################################
# Part of: https://git.somenet.org/root/pub/somesible.git
# 2017-2024 by someone <someone@somenet.org>
#


if [ "$1" = "autoconf" ]; then
    echo "yes"
    exit 0
fi


if [ "$1" = "config" ]; then
    echo "graph_title Lifetime bytes read and written"
    echo "graph_info This graph shows the bytes read and written per disk as reported by SMART"
    echo "graph_category disk"
    echo "graph_vlabel Lifetime bytes read (-) / written (+)"
    cd /sys/block/
    for f in *; do
        HD_NAME=$(lsblk -S "/dev/$f" -o MODEL,SERIAL | tail -q -n-1 | sed -Ee 's#-#_#g' -e's# #-#g')
        if [ "-${HD_NAME}-" != "--" ]; then
            echo "${HD_NAME}_r.draw LINE2"
            echo "${HD_NAME}_r.min 0"
            echo "${HD_NAME}_r.label ${HD_NAME} not displayed"
            echo "${HD_NAME}_r.graph no"
            echo "${HD_NAME}_w.draw LINE2"
            echo "${HD_NAME}_w.min 0"
            echo "${HD_NAME}_w.label /dev/${f}"
            echo "${HD_NAME}_w.negative ${HD_NAME}_r"
        fi
    done
#    echo "graph_printf %.0lf"
#    echo "graph_scale no"
    echo "graph_args -l 0"
    exit 0
fi


cd /sys/block/
for f in *; do
    HD_NAME=$(lsblk -S "/dev/$f" -o MODEL,SERIAL | tail -q -n-1 | sed -Ee 's#-#_#g' -e's# #-#g')
    if [ "-${HD_NAME}-" != "--" ]; then
        echo "${HD_NAME}_w.value $(tail -q -n-1 "/var/lib/smartmontools/attrlog.${HD_NAME}.ata.csv" 2>/dev/null | sed -Ee 's/^.*\t241;[0-9]+;([0-9]+);.*$/\1*512/' | bc)"
        echo "${HD_NAME}_r.value $(tail -q -n-1 "/var/lib/smartmontools/attrlog.${HD_NAME}.ata.csv" 2>/dev/null | sed -Ee 's/^.*\t242;[0-9]+;([0-9]+);.*$/\1*512/' | bc)"
    fi
done
exit 0