Chaos Engineering

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prerequisites
basic Java • basic Spring and Spring Boot • basic Docker and Docker Compose commands • REST principles • basic microservices • basic Maven • basic Jenkins
skills learned
create random problems manually that stop the execution of some components • create problems using tools like Chaos Monkey that have a set of different situations you can introduce • create automatic problems to interact with Chaos Monkey using ChaosIQ
Andres Sacco
1 week · 4-6 hours per week · INTERMEDIATE
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Look inside

You’re a senior developer at Travel World Agency (TWA). Management is surprised at the amount computing costs have increased, but before introducing potentially disruptive cost-reducing measures they need to determine how to improve the quality of the microservices. Your task is to simulate random problems, using Spring Boot’s Chaos Monkey library, to determine whether any scenarios exist that aren’t addressed by the code. To test your conclusions, you’ll use the Chaos Toolkit to generate concrete problems. When you’re done, you’ll have the skills to spotlight issues that aren’t always revealed through unit testing.

This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Andres Sacco

Andres Sacco is a technical leader at Prisma. He has experience with many programming languages including Java, PHP, and Node.js. At his previous job, Andres helped find alternative ways to optimize data transfers between microservices, which reduced the cost of infrastructure by fifty-five percent. A co-author of Beginning Scala 3, published by Apress, Andres has also dictated internal courses about new technologies and shared his expertise in articles on Medium.

prerequisites

This liveProject is for Java developers who are interested in learning to implement tests by creating random problems in a microservices ecosystem that uses Spring Boot. To begin this liveProject, you should be familiar with the following:

TOOLS
  • Any Java IDE: Eclipse, IntelliJ IDEA, Visual Studio Code
  • Basic Maven
  • Basic Spring and Spring Boot
  • Basic Docker and Docker Compose
  • Basic Jenkins
TECHNIQUES
  • Basic Java
  • Basic Spring Boot
  • Basic Docker and Docker Compose commands
  • REST principles
  • Basic knowledge of microservices

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