Munin contributed plugins

#! /bin/sh

# Plugin to monitor the battery status via the uevent API

#

# (c) 2015 - GPLv2 - steve.schnepp@pwkf.org

#

# It is a wildcard plugin, symlink it with the battery directory

# default is to display charge as mAh, but you can also use percentage if you

# prefer, by setting the env var "percent" to "yes".

#

# [battery_*]

# env.percent no

#

battery_name=${0##*_}

percent=${percent:-"no"}

if [ "$1" = "config" ]

then

	echo "graph_title Battery $battery_name"

  echo "graph_category sensors"

	if [ "$percent" = "yes" ]

	then

		echo "graph_vlabel %"

	else

		echo "graph_vlabel mAh"

	fi

	echo "charge_design.label Design charge"

	echo "charge_design.draw AREA"

	[ "$percent" = "yes" ] && echo "charge_design.cdef charge_design,charge_design,/,100,*"

	echo "charge_full.label Full charge"

	echo "charge_full.draw AREA"

	[ "$percent" = "yes" ] && echo "charge_full.cdef charge_full,charge_design,/,100,*"

	echo "charge_now.label Current charge"

	echo "charge_now.draw AREA"

	[ "$percent" = "yes" ] && echo "charge_now.cdef charge_now,charge_design,/,100,*"

	exit 0

fi

# Crudely read all the vars into the current namespace

. /sys/class/power_supply/$battery_name/uevent

echo "charge_design.value $(( $POWER_SUPPLY_CHARGE_FULL_DESIGN / 1000 )) "

echo "charge_full.value $(( $POWER_SUPPLY_CHARGE_FULL / 1000 ))"

echo "charge_now.value $(( $POWER_SUPPLY_CHARGE_NOW / 1000 ))"

exit 0

:<< DATA

cat /sys/class/power_supply/$1/uevent

POWER_SUPPLY_NAME=CMB1

POWER_SUPPLY_STATUS=Charging

POWER_SUPPLY_PRESENT=1

POWER_SUPPLY_TECHNOLOGY=Li-ion

POWER_SUPPLY_CYCLE_COUNT=0

POWER_SUPPLY_VOLTAGE_MIN_DESIGN=10800000

POWER_SUPPLY_VOLTAGE_NOW=11418000

POWER_SUPPLY_CURRENT_NOW=2668000

POWER_SUPPLY_CHARGE_FULL_DESIGN=5200000

POWER_SUPPLY_CHARGE_FULL=5000000

POWER_SUPPLY_CHARGE_NOW=100000

POWER_SUPPLY_CAPACITY=2

POWER_SUPPLY_CAPACITY_LEVEL=Normal

POWER_SUPPLY_MODEL_NAME=CP293570

POWER_SUPPLY_MANUFACTURER=Fujitsu

DATA