mirror of https://github.com/merbanan/rtl_433.git
74 lines
1.8 KiB
Python
Executable File
74 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python
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"""Statsd monitoring relay for rtl_433."""
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# Needs Python statsd Network plugin, s.a. https://github.com/jsocol/pystatsd
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# pip install pystatsd
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# -or-
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# curl -o statsd.py https://github.com/jsocol/pystatsd/raw/v3.2/statsd/client.py
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# Start rtl_433 (rtl_433 -F syslog::1433), then this script
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from __future__ import print_function
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import socket
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import json
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from statsd import StatsClient
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UDP_IP = "127.0.0.1"
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UDP_PORT = 1433
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STATSD_HOST = "127.0.0.1"
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STATSD_PORT = 8125
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STATSD_PREFIX = "rtlsdr"
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sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock.bind((UDP_IP, UDP_PORT))
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def sanitize(text):
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return text.replace(" ", "_")
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def parse_syslog(line):
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"""Try to extract the payload from a syslog line."""
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line = line.decode("ascii") # also UTF-8 if BOM
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if line.startswith("<"):
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# fields should be "<PRI>VER", timestamp, hostname, command, pid, mid, sdata, payload
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fields = line.split(None, 7)
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line = fields[-1]
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return line
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def rtl_433_probe():
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statsd = StatsClient(host=STATSD_HOST,
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port=STATSD_PORT,
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prefix=STATSD_PREFIX)
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while True:
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line, addr = sock.recvfrom(1024)
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try:
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line = parse_syslog(line)
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data = json.loads(line)
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label = sanitize(data["model"])
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if "channel" in data:
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label += ".CH" + str(data["channel"])
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if "battery_ok" in data:
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statsd.gauge(label + '.battery', data["battery_ok"])
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if "humidity" in data:
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statsd.gauge(label + '.humidity', data["humidity"])
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statsd.gauge(label + '.temperature', data["temperature_C"])
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except KeyError:
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pass
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except ValueError:
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pass
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if __name__ == "__main__":
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rtl_433_probe()
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