oslo_metrics_prometheus_endpoint_quickstart_initialization.py

1from oslo_config import cfg
2from oslo_metrics import metrics
3
4CONF = cfg.CONF
5
6# To use oslo.metrics, you must first register the configuration options
7# and then initialize the metrics collection.
8metrics.register_opts(CONF)
9
10# Example of how to start the metric collection and exposure.
11# In a real OpenStack service, this would be part of the service startup.
12def start_metrics():
13    # This will initialize the prometheus client and start 
14    # the HTTP server if configured via CONF.metrics.port
15    metric_service = metrics.Metrics(CONF)
16    metric_service.setup()
17
18if __name__ == "__main__":
19    # Typically, you would load your config file here:
20    # CONF(sys.argv[1:])
21    start_metrics()
22    print("oslo.metrics initialized.")