Book Image

Implementing Modern DevOps

By : Danny Varghese, David Gonzalez
Book Image

Implementing Modern DevOps

By: Danny Varghese, David Gonzalez

Overview of this book

This book follows a unique approach to modern DevOps using cutting-edge tools and technologies such as Ansible, Kubernetes, and Google Cloud Platform. This book starts by explaining the organizational alignment that has to happen in every company that wants to implement DevOps in order to be effective, and the use of cloud datacenters in combination with the most advanced DevOps tools to get the best out of a small team of skilled engineers. It also delves into how to use Kubernetes to run your applications in Google Cloud Platform, minimizing the friction and hassle of maintaining a cluster but ensuring its high availability. By the end of this book, you will be able to realign teams in your company and create a Continuous Delivery pipeline with Kubernetes and Docker. With strong monitoring in place, you will also be able to react to adverse events in your system, minimizing downtime and improving the overall up-time and stability of your system.
Table of Contents (17 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback

Types of monitoring

In the SRE book from Google, there are two types of monitoring defined:

  • BlackBox monitoring
  • WhiteBox monitoring

This is generally accepted by everyone, leading to a solid amount of tools that are clearly differentiated around whitebox and blackbox monitoring.

One of the best comparisons I've ever heard on whitebox versus blackbox monitoring is the diagnosis of a bone fracture. When you first go to the doctor, he/she only has access to your blackbox metrics:

  • Does the area have any bump?
  • Is it painful on movement?

Then, once the initial diagnoses has been pronounced, the next step is getting X-rays from the area. Now we can confirm whether the bone is broken and, if it is, what is the impact in the system. The X-rays are the WhiteBox monitoring that the doctor is using.

Blackbox monitoring

Whitebox monitoring is the type of monitoring that observes a system from outside without having to look into how the system is built. These metrics are the first ones that impact the users and...