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#!/usr/local/bin/python
# https://github.com/prometheus/client_python
from prometheus_client import start_http_server, Summary
import random
import time
# Create a metric to track time spent and requests made.
REQUEST_TIME = Summary('request_processing_seconds', 'Time spent processing request')
# Decorate function with metric.
@REQUEST_TIME.time()
def process_request(t):
"""A dummy function that takes some time."""
time.sleep(t)
if __name__ == '__main__':
# Start up the server to expose the metrics.
# http://localhost:8000/metrics
start_http_server(8000)
# Generate some requests.
while True:
process_request(random.random())
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