weather.py

#!/usr/bin/python

import time
import datetime
import sys
import logging

import flotilla

interval = 60 # report metrics every 60 seconds

hostname = "{{ inventory_hostname }}"

logging.basicConfig(filename='/var/log/plantinator/plantinator.log',
                    level=logging.DEBUG)

def putval(name, value):
    print "PUTVAL %s/weather/gauge-%s interval=%d N:%f" % (hostname,
                                                           name,
                                                           interval,
                                                           value)
    now = datetime.datetime.now()
    logging.info("%s: PUTVAL %s/weather/gauge-%s interval=%d N:%f" % (now.isoformat(),
                                                                      hostname,
                                                                      name,
                                                                      interval,
                                                                      value))

client = flotilla.Client()

while not client.ready:
    pass

weather = client.first(flotilla.Weather)
light = client.first(flotilla.Light)
colour = client.first(flotilla.Colour)

r = int(colour.red/float(colour.clear)*255.0)
g = int(colour.green/float(colour.clear)*255.0)
b = int(colour.blue/float(colour.clear)*255.0)

putval("temperature", weather.temperature)
# unsure about units, but this is cleary the right scaling
putval("pressure", weather.pressure / 10.0)
putval("lux", light.lux)

putval("red", r)
putval("green", g)
putval("blue", b)

client.stop()