Practitioner Level

Working with Prometheus Metric Types

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45 minutes

3 Learning Objectives

About this Hands-on Lab

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>:9090
```
Run a query to get the value of the mobile_gateway_restarts counter:
```
mobile_gateway_restarts
```
Log in to the Prometheus server and open the report file:
```
vi /home/cloud_user/report.md
```
Add the number of restarts to the appropriate line in the file for the mobile_gateway_restarts metric.

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_available gauge:
```
mobile_gateway_mem_available
```
On the Prometheus server, add the current available memory to the appropriate line in the file for the mobile_gateway_mem_available metric.

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_seconds bucket le="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_seconds histogram:
```
mobile_gateway_request_duration_seconds_count
```
Add the total count to the appropriate line in the report.md file for the mobile_gateway_request_duration_seconds_count metric.

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Additional Resources

Your company, LimeDrop, uses Prometheus to monitor a variety of systems. One of the applications monitored by Prometheus is a gateway API that supports the LimeDrop mobile app. The data from this application contains metrics that use several different metric types. You have been asked to provide some metric data about the application for later review. You will find a file on the Prometheus server located at /home/cloud_user/report.md. Collect the requested data and enter the values into that file to complete the report.

Locate the following metric data and save it in report.md:

Get the current value of the mobile_gateway_restarts counter. This counter measures the number of restarts for the backend gateway that supports the LimeDrop mobile app.
Get the current value of the mobile_gateway_mem_available gauge. This gauge measures the amount of free memory available to the application.
There is a histogram metric called mobile_gateway_request_duration_seconds that tracks HTTP requests to the application in buckets by their duration. Obtain the value for the number of requests in the le="3" bucket.
Get the _count value for the mobile_gateway_request_duration_seconds histogram.

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Quickly check your knowledge on a variety of topics and know where to brush up with short quizzes.

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Get the help you need, when you need it, from industry experts and other learners in the community — and help others in turn.

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Learn off the grid

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Learn by doing with guided labs based on real-world scenarios in a secure, risk-free environment. Build new skills in as little as 15 minutes.

Practice Exams

Put your skills to the test

Prepare for your certs with practice exams that mimic the real thing. Plus, get personalized pointers on how to improve your score.

Interactive Diagrams

Study aids on demand

Snag clickable, PDF versions of core concepts to revisit later. Our diagrams make great study aids, help build retention, and can act as handy cheat sheets for a quick refresher down the road.

Video Transcripts & Captions

For the record

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Working with Prometheus Metric Types

About this Hands-on Lab

Learning Objectives

Additional Resources

What are Hands-on Labs

Plans & Pricing

Choosing is the first step

Business Basic

Business Plus

Learning without limits

Learn faster by doing

Take your teams from novice to guru

Cloud on demand

SSH on demand

Learn by doing

Keep up with the cloud

Put skills to the test

Pop quiz, hot shot

Cloud with friends

Keep ACG in your pocket

Learn off the grid

Achievement unlocked

For the record

Study aids on demand

We’re here to help

One dashboard to rule them all

Manage cloud learning for teams

Know where you stand

Get to the cloud faster

Learn better together

Skills at a glance

Easy organization by teams

Invite 10 to 10,000 or more

Connect all the dots

Get your bits

We’ve got your back

We’ll show you the ropes

Plans & Pricing

Choosing is the first step

Free

Personal Basic

Personal Plus

Learn without limits

Pop quiz, hot shot

Keep up with the cloud

Cloud with friends

Go from novice to guru in your chose specialty

Keep ACG in your pocket

Learn off the grid

Get your hands cloudy

Put your skills to the test

Study aids on demand

For the record

Achievement unlocked

We’re here to help

Cloud on demand

SSH on demand

Learn by doing

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