Book Image

Infrastructure Monitoring with Amazon CloudWatch

By : Ewere Diagboya
Book Image

Infrastructure Monitoring with Amazon CloudWatch

By: Ewere Diagboya

Overview of this book

CloudWatch is Amazon’s monitoring and observability service, designed to help those in the IT industry who are interested in optimizing resource utilization, visualizing operational health, and eventually increasing infrastructure performance. This book helps IT administrators, DevOps engineers, network engineers, and solutions architects to make optimum use of this cloud service for effective infrastructure productivity. You’ll start with a brief introduction to monitoring and Amazon CloudWatch and its core functionalities. Next, you’ll get to grips with CloudWatch features and their usability. Once the book has helped you develop your foundational knowledge of CloudWatch, you’ll be able to build your practical skills in monitoring and alerting various Amazon Web Services, such as EC2, EBS, RDS, ECS, EKS, DynamoDB, AWS Lambda, and ELB, with the help of real-world use cases. As you progress, you'll also learn how to use CloudWatch to detect anomalous behavior, set alarms, visualize logs and metrics, define automated actions, and rapidly troubleshoot issues. Finally, the book will take you through monitoring AWS billing and costs. By the end of this book, you'll be capable of making decisions that enhance your infrastructure performance and maintain it at its peak.
Table of Contents (16 chapters)
1
Section 1: Introduction to Monitoring and Amazon CloudWatch
5
Section 2: AWS Services and Amazon CloudWatch

Configuring a basic alarm

An alarm is usually configured based on a metric from any of the AWS services or from logs. This is the major aspect we will be covering in the rest of this chapter, how alarms can be configured on a service based on a specific metric.

For starters, we shall create a simple alarm that triggers when the AWS bill gets to a certain threshold that we are also going to configure. This can be very helpful in cutting down costs and ensuring that we do not spend more than a specific amount within a month. For this setup, we will be checking the estimated charges for a month and ensure that they are not greater than $15. If for any reason the estimated charge is greater than $15, we will get an email notification via SNS notifying us of the increase. Now, let's get to work and configure this alarm. The AWS account that was used in the previous practical guide is sufficient to carry out the next practical guide:

  1. The Receive Billing Alerts setting needs...