LiFePO4wered Pi CheckMK local check

lifepo4weredpi.sh

#/!bin/bash

SVC_NAME='"LiFePo4weredPI"'
MPREF="$(hostname)"
OUT_STATUS='0'
OUT_TEXT="External power active"

lifepo4wered-cli get > /dev/null 2>&1

if [ ! $? -eq 0 ]
then
	echo "2 $SVC_NAME - Cannot talk to lifepo4wered-cli"
	exit 1
fi

VBAT_SHDN=$(lifepo4wered-cli get VBAT_SHDN 2>/dev/null)
if [ ! $? -eq 0 ]
then
	VBAT_SHDN="could not get shutdown val!"
fi

VALUES=(VIN VOUT VBAT IOUT)
METRICS=""

for i in "${VALUES[@]}"
do
	READVAL=$(lifepo4wered-cli get $i 2>/dev/null)
	if [ ! $? -eq 0 ]
	then
		echo "3 $SVC_NAME - Cannot get val for '$i'"
		exit 1
	fi
	
	if [ "$i" == "VIN" ] && [ "$READVAL" -eq "0" ]
	then
		OUT_STATUS="1"
		OUT_TEXT="External power outage. Shutdown at vbat $VBAT_SHDN"
	fi
	
	METRICS+="${MPREF}_${i}=$READVAL|"
done

METRICS=${METRICS::-1}

echo "$OUT_STATUS $SVC_NAME $METRICS $OUT_TEXT"
exit 0