monitoring plugin for nagios (use https://github.com/adafruit/Adafruit_Python_DHT )

check_home_env.sh

#!/bin/bash -x

PROGNAME=$(basename $0)
VERSION="1.0"

OK=0
WARNING=1
CRITICAL=2
UNKNOWN=3

for OPT in "$@"
do
  case "$OPT" in
    # temp or humid
    '-t'|'--type' )
      FLG_T=1
      if [[ -z "$2" ]] || [[ "$2" =~ ^-+ ]]; then
        echo "$PROGNAME:「$1」オプションには引数が必要です" 1>&2
        exit $UNKNOWN
      fi
      TYPE="$2"
      shift 2
      ;;
    # waring
    '-w'|'--warning' )
      FLG_W=1
      if [[ -z "$2" ]] || [[ "$2" =~ ^-+ ]]; then
        echo "$PROGNAME:「$1」オプションには引数が必要です" 1>&2
        exit $UNKNOWN
      fi
      VALUE_WARNING=$2
      shift 2
      ;;
    # critical
    '-c'|'--critical' )
      FLG_C=1
      if [[ -z "$2" ]] || [[ "$2" =~ ^-+ ]]; then
        echo "$PROGNAME:「$1」オプションには引数が必要です" 1>&2
        exit $UNKNOWN
      fi
      VALUE_CRITICAL=$2
      shift 2
      ;;
  esac
done

RESULT=$(/usr/local/bin/${TYPE}.py | perl -ne 'print int($_)')

if [ ${RESULT} -ge ${VALUE_CRITICAL} ]; then
  echo "now ${TYPE} is ${RESULT}!!!!"
  exit $CRITICAL
fi

if [ ${RESULT} -ge ${VALUE_WARNING} ]; then
  echo "now ${TYPE} is ${RESULT}!"
  exit $WARNING
fi


echo "now ${TYPE} is ${RESULT}"
exit $OK

humid.py

#!/usr/bin/python

import sys

import Adafruit_DHT

# Parse command line parameters.
sensor_args = { '11': Adafruit_DHT.DHT11,
                '22': Adafruit_DHT.DHT22,
                '2302': Adafruit_DHT.AM2302 }
#if len(sys.argv) == 3 and sys.argv[1] in sensor_args:
#       sensor = sensor_args[sys.argv[1]]
#       pin = sys.argv[2]
#else:
#       print 'usage: sudo ./Adafruit_DHT.py [11|22|2302] GPIOpin#'
#       print 'example: sudo ./Adafruit_DHT.py 2302 4 - Read from an AM2302 connected to GPIO #4'
#       sys.exit(1)

sensor = 11
pin = 4

# Try to grab a sensor reading.  Use the read_retry method which will retry up
# to 15 times to get a sensor reading (waiting 2 seconds between each retry).
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)

# Un-comment the line below to convert the temperature to Fahrenheit.
# temperature = temperature * 9/5.0 + 32

# Note that sometimes you won't get a reading and
# the results will be null (because Linux can't
# guarantee the timing of calls to read the sensor).
# If this happens try again!
if humidity is not None and temperature is not None:
        print '{}'.format(humidity)
else:
        print 'Failed to get reading. Try again!'
        sys.exit(1)

temp.py

#!/usr/bin/python

import sys

import Adafruit_DHT

# Parse command line parameters.
sensor_args = { '11': Adafruit_DHT.DHT11,
                '22': Adafruit_DHT.DHT22,
                '2302': Adafruit_DHT.AM2302 }
#if len(sys.argv) == 3 and sys.argv[1] in sensor_args:
#       sensor = sensor_args[sys.argv[1]]
#       pin = sys.argv[2]
#else:
#       print 'usage: sudo ./Adafruit_DHT.py [11|22|2302] GPIOpin#'
#       print 'example: sudo ./Adafruit_DHT.py 2302 4 - Read from an AM2302 connected to GPIO #4'
#       sys.exit(1)

sensor = 11
pin = 4

# Try to grab a sensor reading.  Use the read_retry method which will retry up
# to 15 times to get a sensor reading (waiting 2 seconds between each retry).
humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)

# Un-comment the line below to convert the temperature to Fahrenheit.
# temperature = temperature * 9/5.0 + 32

# Note that sometimes you won't get a reading and
# the results will be null (because Linux can't
# guarantee the timing of calls to read the sensor).
# If this happens try again!
if humidity is not None and temperature is not None:
        print '{}'.format(temperature)
else:
        print 'Failed to get reading. Try again!'
        sys.exit(1)