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import threading
from prometheus_client.exposition import MetricsHandler
try:
from http.server import HTTPServer
except ImportError:
# Py2
from BaseHTTPServer import HTTPServer
def start_http_server(port, addr=""):
"""Starts a HTTP server for prometheus metrics as a daemon thread."""
class PrometheusMetricsServer(threading.Thread):
def run(self):
httpd = HTTPServer((addr, port), MetricsHandler)
httpd.serve_forever()
t = PrometheusMetricsServer()
t.daemon = True
t.start()
return t
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