65 lines
2.0 KiB
Python
Executable File
65 lines
2.0 KiB
Python
Executable File
#! /usr/bin/env python3
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import socket
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import signal
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import asyncio
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from dataclasses import dataclass
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import aiohttp
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from mqtthandler.command import command
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from mqtthandler.handler import MQTTHandler, task
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from prometheus_client.parser import text_string_to_metric_families
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@dataclass
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class MediaMTXConfig:
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host: str = "http://localhost"
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metrics_path: str = ":9998/metrics"
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username: str | None = "admin"
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password: str | None = "admin"
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class MediaMTXHandler(MQTTHandler):
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def __init__(
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self,
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name: str,
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mediamtx_config: MediaMTXConfig,
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):
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super().__init__(name)
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self.config = mediamtx_config
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@task
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async def retrieve_metrics(self):
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cache = {}
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while True:
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auth = aiohttp.BasicAuth(login=self.config.username, password=self.config.password)
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async with aiohttp.ClientSession(auth=auth) as session:
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while True:
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async with session.get(f"{self.config.host}{self.config.metrics_path}") as r:
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metrics = await r.text()
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for family in text_string_to_metric_families(metrics):
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for sample in family.samples:
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topic = sample.name.replace("_", "/")
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if cache.get(topic) != sample.value:
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cache[topic] = sample.value
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print(topic, sample.value)
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await self.set_property(topic, sample.value, qos=0, retain=True)
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await asyncio.sleep(1)
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print("Connection dropped!")
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await asyncio.sleep(10)
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async def main():
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handler = MediaMTXHandler("mediamtx", MediaMTXConfig())
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signal.signal(signal.SIGINT, lambda signum, frame: handler.stop())
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await handler.run("127.0.0.1", username="device", password="devicesecret")
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if __name__ == "__main__":
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asyncio.run(main())
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