w1-temp-to-influx.sh

#!/bin/sh

SERVER="$1"
INTERVAL=10

# read once and ignore result, as it is bogus at first
cat /sys/bus/w1/devices/*/w1_slave > /dev/null

while sleep "$INTERVAL"; do
    for DEV in /sys/bus/w1/devices/*/w1_slave; do
        DEVNAME="${DEV%/*}"
        DEVNAME="${DEVNAME##*/}"
        DEVNAME="$(hostname)-${DEVNAME}"
        {
            read LINE
            if [ "${LINE% YES}" != "$LINE" ]; then
                read LINE
                TEMP="${LINE##* t=}"
                if [ "$TEMP" != "$LINE" ]; then
                    TEMP="$(($TEMP / 1000)).$(($TEMP % 1000))"
                    if [ "$TEMP" != "0.0" ]; then
                        nc -u "$SERVER" 8089 -e \
                            echo "temperature,location=${DEVNAME} temperature=$TEMP"
                    fi
                fi
            fi
        } < $DEV
    done
done