Enhancing NBI to define APIs for metric collection

NBI - Fetching Metrics data from Prometheus

Proposer

• Vijay R S (Tata Elxsi)

Type

Feature

Target MDG/TF

NBI

Description

Enhancing NBI to define APIs for metric collection. NBI will achieve this by fetching the metrics from Prometheus database by using well-defined REST APIs of Prometheus.

Following metrics of VNFs will be retrieved from Prometheus

cpu_utilization average_memory_utilization disk_read_ops disk_write_ops disk_read_bytes disk_write_bytes packets_dropped_ packets_received packets_sent

Demo or definition of done

NBI defined APIs for metric collection can be tested using Postman for the correctness of the data. Preferred data format is JSON.