nvidia-smi-to-influxdb.bash

#!/bin/bash

join_by() {
        local IFS=","
        echo "$*"
}

get_data() {
        local QUERIES=$(join_by "$@")
        while read -d "," VALUE REST; do
                echo "$1,hostname=$HOSTNAME value=$VALUE"
                shift
        done < <(nvidia-smi --query-gpu="${QUERIES[@]}" --format=csv | tail -n 1)
}

DB=pc
CREDS=user:password
METRICS="power.draw power.limit temperature.gpu
        clocks.current.graphics clocks.current.sm clocks.current.memory clocks.current.video
        utilization.gpu utilization.memory memory.used memory.total fan.speed"

curl -v -u "$CREDS" -X POST "https://influxdb.ayufan.eu/write?db=$DB" --data-binary "$(get_data $METRICS)"

how exactly does this work? Im trying to run it on my debian box and I am failing to get any data into influx