first working state with dummy data
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README.md
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README.md
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# eq3bt-exporter
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scrape EQ3 bluetooth device and export as prometheus metric
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Scrapes [EQ3](https://www.eq-3.com/products/eqiva/detail/bluetooth-smart-radiator-thermostat.html) bluetooth device and export as prometheus metric.
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## Requirements
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- `git clone https://github.com/rytilahti/python-eq3bt`
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- `cd python-eq3bt`
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- `pip install .`
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## Features and Limitations
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- Polls data ever 5 minutes from the EQ3
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- Caches the data for faster prometheus crapes
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- Only suppoting **one** eq3bt device at this dev stage
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## Config
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Set your MAC in `eq3bt-exporter.py`.
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**Hint** Don´t scrape with higher intervalls due to blocking based on requests!
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## Usage
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to start: `python3 q3bt-exporter.py`
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to get metrics: `curl http://127.0.0.1:9100/metrics`
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Example metrics:
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```
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eq3bt_expoter_duration_seconds_sum 3
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eq3bt_exporter_request_count 9
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eq3bt_exporter_scrape_healthy 1
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eq3bt_target_temperature 12
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eq3bt_valve 12
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eq3bt_low_battery 0
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eq3bt_window_open 0
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```
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## Permanent Install
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`cd /usr/bin/`
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`git clone https://git.mosad.xyz/localhorst/eq3bt-exporter`
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`cd eq3bt-exporter`
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Change host/port in `q3bt-exporter.py`
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`mv eq3bt-exporter.service /usr/lib/systemd/system/`
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`systemctl daemon-reload`
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`systemctl enable --now /usr/lib/systemd/system/eq3bt-exporter.service`
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`systemctl status eq3bt-exporter.service`
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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""" Author: Hendrik Schutter, mail@hendrikschutter.com
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Date of creation: 2022/12/17
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Date of last modification: 2022/12/17
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"""
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import time
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import threading
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from datetime import datetime
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from urllib.parse import urlsplit, parse_qs
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from random import randrange
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hostName = "127.0.0.1"
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serverPort = 9100
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exporter_prefix = "eq3bt_"
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eq3bt_max = "00:1A:22:0F:20:CA"
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request_count = 0
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scrape_healthy = True
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startTime = datetime.now()
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eq3bt_metrics = list()
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mutex = threading.Lock()
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class RequestHandler(BaseHTTPRequestHandler):
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def get_metrics(self):
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global request_count
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global eq3bt_metrics
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global exporter_prefix
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global mutex
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mutex.acquire()
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self.send_response(200)
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self.send_header("Content-type", "text/html")
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self.end_headers()
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self.wfile.write(bytes(exporter_prefix + "expoter_duration_seconds_sum " + str(int((datetime.now() - startTime).total_seconds())) + "\n", "utf-8"))
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self.wfile.write(bytes(exporter_prefix + "exporter_request_count " + str(request_count) + "\n", "utf-8"))
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self.wfile.write(bytes(exporter_prefix + "exporter_scrape_healthy " + str(int(scrape_healthy)) + "\n", "utf-8"))
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for metric in eq3bt_metrics:
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#print(metric)
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self.wfile.write(bytes(exporter_prefix + metric + "\n", "utf-8"))
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mutex.release()
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def do_GET(self):
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global request_count
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request_count = request_count + 1
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print("Request: " + self.path)
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if (self.path.startswith("/metrics")):
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self.get_metrics()
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else:
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self.send_response(200)
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self.send_header("Content-type", "text/html")
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self.end_headers()
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self.wfile.write(bytes("<html>", "utf-8"))
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self.wfile.write(bytes("<head><title>eq3bt exporter</title></head>", "utf-8"))
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self.wfile.write(bytes("<body>", "utf-8"))
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self.wfile.write(bytes('<h1>eq3bt exporter based on data from <a href="https://github.com/rytilahti/python-eq3bt/">https://github.com/rytilahti/python-eq3bt/</a></h1>', "utf-8"))
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self.wfile.write(bytes('<p><a href="/metrics">Metrics</a></p>', "utf-8"))
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self.wfile.write(bytes("</body>", "utf-8"))
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self.wfile.write(bytes("</html>", "utf-8"))
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def update_metrics():
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while True:
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print("poll data from eq3bt")
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global eq3bt_metrics
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global mutex
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global scrape_healthy
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mutex.acquire()
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scrape_healthy = True
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eq3bt_metrics.clear()
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try:
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eq3bt_metrics.append("target_temperature " + str(int(12.2)))
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eq3bt_metrics.append("valve " + str(int(12.2)))
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eq3bt_metrics.append("low_battery " + str(int(False)))
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eq3bt_metrics.append("window_open " + str(int(False)))
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except Exception as ex:
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print("unable to poll data from eq3bt! error: " + str(ex))
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scrape_healthy = False
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pass
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mutex.release()
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time.sleep(300)
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def main():
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print("start")
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webServer = HTTPServer((hostName, serverPort), RequestHandler)
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print("Server started http://%s:%s" % (hostName, serverPort))
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update_metrics_thread = threading.Thread(target=update_metrics, args=())
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update_metrics_thread.start()
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try:
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webServer.serve_forever()
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except KeyboardInterrupt:
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pass
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webServer.server_close()
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print("Server stopped.")
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update_metrics_thread.join()
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if __name__ == "__main__":
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main()
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@ -0,0 +1,18 @@
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[Unit]
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Description=Prometheus gas station exporter for fuel prices
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Documentation=https://git.mosad.xyz/localhorst/gas-station-exporter
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Wants=network-online.target
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After=network-online.target
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After=wg-quick@wg0.service
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[Service]
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Restart=always
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User=prometheus
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WorkingDirectory=/usr/bin/gas-station-exporter/
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ExecStart=/usr/bin/python3 gas-station-exporter.py
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ExecReload=/bin/kill -HUP $MAINPID
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TimeoutStopSec=20s
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SendSIGKILL=no
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[Install]
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WantedBy=multi-user.target
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