# 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_<nic number>
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.