check-dht 0.1.0

Nagios Plugin for monitoring temperature and humidity from a Raspberry Pi

check-dht

Nagios Plugin for monitoring temperature and humidity from a Raspberry Pi

Notice: This plugin works in conjuction with the pico-dht project!

Install

This software has two dependencies:

1. pySerial
2. nagiosplugin

Both should be available for installation from your distribution's package manager and pip.

Overview

Example output with default parameters

$ check_dht
DHT OK - 24.2 °C | error=0 humidity=34.9;40;50;0;100 temperature=24.2;30;40;-40;80

Usage

$ check_dht -h
usage: check_dht [-h] [-p PORT] [-b BAUD] [-w TEMP] [-c TEMP]
                 [--humidity-warning PERCENT] [--humidity-critical PERCENT]

Nagios Plugin to monitor DHT22/AM2302 data

optional arguments:
  -h, --help            show this help message and exit
  -p PORT, --port PORT  the serial file to read from
  -b BAUD, --baud BAUD  baudrate of the serial port
  -w TEMP, --warning TEMP
                        return warning if air temperature is outside TEMP
  -c TEMP, --critical TEMP
                        return critical if air temperature is outside TEMP
  --humidity-warning PERCENT
                        return warning if humidity is outside PERCENT
  --humidity-critical PERCENT
                        return critical if humidity is outside PERCENT

(c) Johannes Arnold 2023. This software is published under the terms of the
GNU GPLv3. For the companion project to this plugin, see
https://github.com/j0hax/dht22