Prometheus exporters provide data using a handful of different metric types, each representing its own unique kind of data. When working with Prometheus, it is important to understand how these different metric types function in order to properly interpret data. In this lab, you will have the opportunity to collect data from metrics that utilize a variety of different metric types. This will allow you to work with multiple metric types hands-on.
Learning Objectives
Successfully complete this lab by achieving the following learning objectives:
- Get the Value of the `mobile_gateway_restarts` Counter
Access the Prometheus expression browser in your web browser using the Public IP address of the Prometheus server:
http://<PROMETHEUS_SERVER_PUBLIC_IP>:9090Run a query to get the value of the
mobile_gateway_restartscounter:mobile_gateway_restartsLog in to the Prometheus server and open the report file:
vi /home/cloud_user/report.mdAdd the number of restarts to the appropriate line in the file for the
mobile_gateway_restartsmetric.
- Get the Value of the `mobile_gateway_mem_available` Gauge
From the Prometheus expression browser, run a query to get the value of the
mobile_gateway_mem_availablegauge:mobile_gateway_mem_availableOn the Prometheus server, add the current available memory to the appropriate line in the file for the
mobile_gateway_mem_availablemetric.
- Get the Requested Data from the `mobile_gateway_request_duration_seconds` Histogram
From the Prometheus expression browser, run a query to get the value of the
mobile_gateway_request_duration_secondsbucketle="3":mobile_gateway_request_duration_seconds_bucket{le="3"}On the Prometheus server, add the number of requests in the three-second bucket to the appropriate line in the file for the
mobile_gateway_request_duration_seconds{le="3"}metric.Return to the Prometheus expression browser and run a query to get the total count for the
mobile_gateway_request_duration_secondshistogram:mobile_gateway_request_duration_seconds_countAdd the total count to the appropriate line in the
report.mdfile for themobile_gateway_request_duration_seconds_countmetric.
