43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
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from prometheus_client import start_http_server, Summary, Counter, Gauge, Histogram
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import random
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import time
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# Create metrics to track time spent, requests made, and other events.
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REQUEST_TIME = Summary('request_processing_seconds',
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'Time spent processing request')
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UPDATE_COUNT = Counter('update_count', 'Number of updates')
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ACTIVE_REQUESTS = Gauge('active_requests', 'Number of active requests')
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REQUEST_LATENCY = Histogram(
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'request_latency_seconds', 'Request latency in seconds')
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# Decorate function with metrics.
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@REQUEST_TIME.time()
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@REQUEST_LATENCY.time()
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def process_request(t):
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"""A dummy function that takes some time."""
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ACTIVE_REQUESTS.inc()
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time.sleep(t)
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ACTIVE_REQUESTS.dec()
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def main():
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# Start up the server to expose the metrics.
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start_http_server(8000)
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print("[*] Starting server on port 8000...")
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# Generate some requests.
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while True:
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msg = random.random()
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process_request(msg)
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update_increment = random.randint(1, 100)
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UPDATE_COUNT.inc(update_increment)
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print(
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f'[+] Processing request: {msg:.4f} | Updates: {update_increment}')
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time.sleep(random.uniform(0.5, 2.0)) # Random delay between requests
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if __name__ == '__main__':
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main()
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