munin plugin for acpi thermal zone for lenovo on freebsd

ibm_acpi

#!/usr/bin/env bash
# -*- sh -*-
: <<=cut

=head1 NAME

acpii_ibm - Munin plugin to monitor the temperature in different ACPI Thermal zones.

=head1 APPLICABLE SYSTEMS

FreeBSD systems with ACPI support. man acpi_ibm(4)

=head1 CONFIGURATION

add ibm_acpi in loader.conf

=head1 USAGE

Link this plugin to @@CONFDIR@@/plugins/ and restart the munin-node.

=head1 INTERPRETATION

The plugin shows the temperature from the different thermal zones.

=head1 MAGIC MARKERS

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

=head1 BUGS

None known.

=head1 VERSION

v1.1 - 2024-03-24

=head1 AUTHOR

Julien Tayon (julien@tayon.net)

=head1 LICENSE

GPLv2

=cut

if sysctl dev.acpi_ibm.0.thermal &>/dev/null; then
	ATZ=(  CPU Mini_PCI_Module  HDD GPU Built_in_battery_1 UltraBay_battery_1 Built_in_battery_2 UltraBay_battery_2 )
else 
	ATZ=
fi

do_ () { # Fetch
    if sysctl dev.acpi_ibm.0.thermal &> /dev/null; then
	# man acpi_ibm

	
	for ((i=0;i<${#ATZ[@]};i++)); do 
		echo -n "${ATZ[i]}.value ";  
		sysctl dev.acpi_ibm.0.thermal | cut -d " " -f$(( i+2 )); 
	done
    fi

    exit 0
}

do_config () {
    echo "graph_title ACPI Thermal zone temperatures"
    echo "graph_vlabel Celsius"
    echo "graph_category sensors"
    echo "graph_info This graph shows the temperature in different ACPI Thermal zones.  If there is only one it will usually be the case temperature."
    for ZONE in ${ATZ[@]}; do
         echo "$ZONE.label $ZONE"
		echo "$ZONE.warning 68"
                echo "$ZONE.critical 72"

    done
    # print values immediately if dirtyconfig is supported
    if [ "${MUNIN_CAP_DIRTYCONFIG:-0}" = 1 ]; then do_; fi
}

do_autoconf () {
    if [ -z "$ATZ" ]; then
        echo "no (failed to find thermal zones below /sys/class/thermal/thermal_zone*)"
	exit 0
    fi
    echo yes
    exit 0
}

case $1 in
    config|autoconf|'')
	"do_$1"
esac

exit $?