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# shellcheck shell=bash
# no need for shebang - this file is loaded from charts.d.plugin
# SPDX-License-Identifier: GPL-3.0-or-later
# netdata
# real-time performance and health monitoring, done right!
# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
#
# contributed by @paulfantom with PR #511
# if this chart is called X.chart.sh, then all functions and global variables
# must start with X_
hddtemp_host="localhost"
hddtemp_port="7634"
declare -A hddtemp_disks=()
# _update_every is a special variable - it holds the number of seconds
# between the calls of the _update() function
hddtemp_update_every=3
hddtemp_priority=90000
# _check is called once, to find out if this chart should be enabled or not
hddtemp_check() {
require_cmd nc || return 1
run nc $hddtemp_host $hddtemp_port && return 0 || return 1
}
# _create is called once, to create the charts
hddtemp_create() {
if [ ${#hddtemp_disks[@]} -eq 0 ]; then
local all
all=$(nc $hddtemp_host $hddtemp_port)
unset hddtemp_disks
# shellcheck disable=SC2190,SC2207
hddtemp_disks=($(grep -Po '/dev/[^|]+' <<<"$all" | cut -c 6-))
fi
# local disk_names
# disk_names=(`sed -e 's/||/\n/g;s/^|//' <<< "$all" | cut -d '|' -f2 | tr ' ' '_'`)
echo "CHART hddtemp.temperature 'disks_temp' 'temperature' 'Celsius' 'Disks temperature' 'hddtemp.temp' line $((hddtemp_priority)) $hddtemp_update_every"
for i in $(seq 0 $((${#hddtemp_disks[@]} - 1))); do
# echo "DIMENSION ${hddtemp_disks[i]} ${disk_names[i]} absolute 1 1"
echo "DIMENSION ${hddtemp_disks[$i]} '' absolute 1 1"
done
return 0
}
# _update is called continuously, to collect the values
#hddtemp_last=0
#hddtemp_count=0
hddtemp_update() {
# local all=( `nc $hddtemp_host $hddtemp_port | sed -e 's/||/\n/g;s/^|//' | cut -d '|' -f3` )
# local all=( `nc $hddtemp_host $hddtemp_port | awk 'BEGIN { FS="|" };{i=4; while (i <= NF) {print $i+0;i+=5;};}'` )
OLD_IFS=$IFS
set -f
# shellcheck disable=SC2207
IFS="|" all=($(nc $hddtemp_host $hddtemp_port 2>/dev/null))
set +f
IFS=$OLD_IFS
# check if there is some data
if [ -z "${all[3]}" ]; then
return 1
fi
# write the result of the work.
echo "BEGIN hddtemp.temperature $1"
end=${#hddtemp_disks[@]}
for ((i = 0; i < end; i++)); do
# temperature - this will turn SLP to zero
t=$((all[$((i * 5 + 3))]))
echo "SET ${hddtemp_disks[$i]} = $t"
done
echo "END"
return 0
}
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