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A1 Policy Management Service exposes metrics and counters via Prometheus.
There are mainly three counters as well as others providing about A1-PMS state:
total_ric_count, total_policy_count, and total_policy_type_count.
All available metrics and counters could be accessed from A1-PMS (available) port and metric's path: '/actuator/prometheus'.PMS Spring Boot application exposes some management endpoints including loggers, metrics, Prometheus and so on...

All these params are provided in application.yaml file.

management:
  endpoints:
    web:
      exposure:
        # Enabling of springboot actuator features. See springboot documentation.
        include: "loggers,logfile,health,info,metrics,threaddump,heapdump,prometheus"

In order to access these exposures, you need to form an URL and append metric's name end of the URL like below:

http://localhost:8081/actuator/health or http://localhost:8081/actuator/prometheus

On the other hand, if you want to visualize these in Prometheus GUI,
you can bind the below 'prometheus.yml' file while starting the Prometheus container.

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