#!/bin/bash

GRAPHITE_HOST="100.64.0.11"
GRAPHITE_PORT="2003"

set -eu
set -o pipefail

mqtt-simple -h {{ mqtt_internal_host }} -t "#" |
  while read line; do
      topic=$(echo "$line" | cut -d' ' -f1 | sed 's/\//./g' | tr '[:upper:]' '[:lower:]')
      value=$(echo "$line" | cut -s -d' ' -f2- | sed 's/closed/0/g;s/open/1/g')

      # Only relay numeric values.
      if [[ $value =~ ^-?[0-9]+\.?[0-9]*$ ]]; then
          echo "$topic $value $(date +%s)" | nc -q0 "$GRAPHITE_HOST" "$GRAPHITE_PORT"
          echo "$topic $value $(date +%s)"
      fi
  done