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  • Book Overview & Buying Go for DevOps
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Go for DevOps

Go for DevOps

By : John Doak, David Justice
4.5 (15)
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Go for DevOps

Go for DevOps

4.5 (15)
By: John Doak, David Justice

Overview of this book

Go is the go-to language for DevOps libraries and services, and without it, achieving fast and safe automation is a challenge. With the help of Go for DevOps, you'll learn how to deliver services with ease and safety, becoming a better DevOps engineer in the process. Some of the key things this book will teach you are how to write Go software to automate configuration management, update remote machines, author custom automation in GitHub Actions, and interact with Kubernetes. As you advance through the chapters, you'll explore how to automate the cloud using software development kits (SDKs), extend HashiCorp's Terraform and Packer using Go, develop your own DevOps services with gRPC and REST, design system agents, and build robust workflow systems. By the end of this Go for DevOps book, you'll understand how to apply development principles to automate operations and provide operational insights using Go, which will allow you to react quickly to resolve system failures before your customers realize something has gone wrong.
Table of Contents (22 chapters)
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1
Section 1: Getting Up and Running with Go
10
Section 2: Instrumenting, Observing, and Responding
14
Section 3: Cloud ready Go

Building a basic chatbot

Go has a few clients that can interact with popular chat services such as Slack, either as a general Slack client or as a ChatOps-focused bot.

We have found that it is best to have an architecture that separates the bot from the operations that you want to perform. This allows other tooling in other languages to access the capabilities.

By keeping the chatbot separate, you can focus on a single type of chat service and use all its features, instead of only features shared by each chat service client.

For this reason, we will use the slack-go package to interact with Slack.

Our bot will be basic, simply listening to when someone mentions our bot in a message. This is called an AppMention event. Slack supports other events and has events specifically for commands that you can install. In our case, we just want to answer whenever we are mentioned, but slack-go has many other capabilities we will not explore.

Let's create a package called bot...

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Go for DevOps
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