#!/usr/bin/env python3
# -*- coding: utf-8 -*-
""" Author: Hendrik Schutter, mail@hendrikschutter.com
Date of creation: 2022/12/17
Date of last modification: 2023/01/08
"""
from http.server import BaseHTTPRequestHandler, HTTPServer
import time
import threading
from datetime import datetime
from urllib.parse import urlsplit, parse_qs
from random import randrange
from eq3bt import Thermostat
hostName = "10.10.3.6"
serverPort = 9101
exporter_prefix = "eq3bt_"
eq3bt_mac = "00:1A:22:0F:20:CA"
request_count = 0
scrape_healthy = True
startTime = datetime.now()
eq3bt_metrics = list()
mutex = threading.Lock()
thermostat = Thermostat(eq3bt_mac)
class RequestHandler(BaseHTTPRequestHandler):
def get_metrics(self):
global request_count
global eq3bt_metrics
global exporter_prefix
global mutex
mutex.acquire()
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(bytes(exporter_prefix + "expoter_duration_seconds_sum " + str(int((datetime.now() - startTime).total_seconds())) + "\n", "utf-8"))
self.wfile.write(bytes(exporter_prefix + "exporter_request_count " + str(request_count) + "\n", "utf-8"))
self.wfile.write(bytes(exporter_prefix + "exporter_scrape_healthy " + str(int(scrape_healthy)) + "\n", "utf-8"))
for metric in eq3bt_metrics:
#print(metric)
self.wfile.write(bytes(exporter_prefix + metric + "\n", "utf-8"))
mutex.release()
def do_GET(self):
global request_count
request_count = request_count + 1
print("Request: " + self.path)
if (self.path.startswith("/metrics")):
self.get_metrics()
else:
self.send_response(200)
self.send_header("Content-type", "text/html")
self.end_headers()
self.wfile.write(bytes("", "utf-8"))
self.wfile.write(bytes("eq3bt exporter", "utf-8"))
self.wfile.write(bytes("", "utf-8"))
self.wfile.write(bytes('', "utf-8"))
self.wfile.write(bytes('Metrics
', "utf-8"))
self.wfile.write(bytes("", "utf-8"))
self.wfile.write(bytes("", "utf-8"))
def update_metrics():
while True:
print("poll data from eq3bt")
global eq3bt_metrics
global mutex
global scrape_healthy
mutex.acquire()
scrape_healthy = True
eq3bt_metrics.clear()
try:
thermostat.update()
eq3bt_metrics.append("target_temperature " + str(int(thermostat.target_temperature)))
eq3bt_metrics.append("valve " + str(int(thermostat.valve_state)))
eq3bt_metrics.append("low_battery " + str(int(thermostat.low_battery)))
eq3bt_metrics.append("window_open " + str(int(thermostat.window_open)))
except Exception as ex:
print("unable to poll data from eq3bt! error: " + str(ex))
scrape_healthy = False
pass
mutex.release()
time.sleep(300)
def main():
print("start")
webServer = HTTPServer((hostName, serverPort), RequestHandler)
print("Server started http://%s:%s" % (hostName, serverPort))
update_metrics_thread = threading.Thread(target=update_metrics, args=())
update_metrics_thread.start()
try:
webServer.serve_forever()
except KeyboardInterrupt:
pass
webServer.server_close()
print("Server stopped.")
update_metrics_thread.join()
if __name__ == "__main__":
main()