queue exporter

Dockerfile

FROM python:3.8-slim-buster

WORKDIR /app

COPY requirements.txt requirements.txt
RUN pip install -r requirements.txt

COPY exporter.py .

CMD ["python", "exporter.py"]

exporter.py

from prometheus_client import start_http_server, Gauge
import subprocess
import json
import docker
import time

def get_queue_size():
    client = docker.from_env()
    container = client.containers.get('your-laravel-container-name')
    result = container.exec_run(['php', 'artisan', 'queue:size'])
    return json.loads(result.output.decode('utf-8'))

def main():
    g = Gauge('laravel_queue_size', 'Size of the Laravel queue')
    start_http_server(8000)
    while True:
        queue_size = get_queue_size()
        for queue, size in queue_size.items():
            g.labels(queue=queue).set(size)
        time.sleep(60)

if __name__ == '__main__':
    main()