Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By : Adam Book
Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By: Adam Book

Overview of this book

The AWS Certified DevOps Engineer certification is one of the highest AWS credentials, vastly recognized in cloud computing or software development industries. This book is an extensive guide to helping you strengthen your DevOps skills as you work with your AWS workloads on a day-to-day basis. You'll begin by learning how to create and deploy a workload using the AWS code suite of tools, and then move on to adding monitoring and fault tolerance to your workload. You'll explore enterprise scenarios that'll help you to understand various AWS tools and services. This book is packed with detailed explanations of essential concepts to help you get to grips with the domains needed to pass the DevOps professional exam. As you advance, you'll delve into AWS with the help of hands-on examples and practice questions to gain a holistic understanding of the services covered in the AWS DevOps professional exam. Throughout the book, you'll find real-world scenarios that you can easily incorporate in your daily activities when working with AWS, making you a valuable asset for any organization. By the end of this AWS certification book, you'll have gained the knowledge needed to pass the AWS Certified DevOps Engineer exam, and be able to implement different techniques for delivering each service in real-world scenarios.
Table of Contents (31 chapters)
1
Section 1: Establishing the Fundamentals
7
Section 2: Developing, Deploying, and Using Infrastructure as Code
16
Section 3: Monitoring and Logging Your Environment and Workloads
21
Section 4: Enabling Highly Available Workloads, Fault Tolerance, and Implementing Standards and Policies
27
Section 5: Exam Tips and Tricks

Chapter 15: CloudWatch Metrics and Amazon EventBridge

Metrics are one of the central tenants of AWS CloudWatch. They record the performance of your services and can be used to trigger alarms and actions based on the data they provide. There is a multitude of out-of-the-box metrics available, but there is also the ability to create custom metrics. This can expand the capabilities of CloudWatch even further.

Having the ability to harness the metrics captured when they reach certain thresholds is a capability of Amazon EventBridge. As a DevOps engineer, this is a powerful tool that can help you automate your systems so that they are self-healing, as well as constantly scaling up and down to meet your customers' generated capacity needs. These automated responses can be triggered by both native AWS services and third-party systems. This is especially useful in routine monitoring and creating routines when certain events occur.

In this chapter, we're going to cover the...