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GitHub Actions Cookbook

GitHub Actions Cookbook

By : Michael Kaufmann
4.8 (5)
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GitHub Actions Cookbook

GitHub Actions Cookbook

4.8 (5)
By: Michael Kaufmann

Overview of this book

Say goodbye to tedious tasks! GitHub Actions is a powerful workflow engine that automates everything in the GitHub ecosystem, letting you focus on what matters most. This book explains the GitHub Actions workflow syntax, the different kinds of actions, and how GitHub-hosted and self-hosted workflow runners work. You’ll get tips on how to author and debug GitHub Actions and workflows with Visual Studio Code (VS Code), run them locally, and leverage the power of GitHub Copilot. The book uses hands-on examples to walk you through real-world use cases that will help you automate the entire release process. You’ll cover everything, from automating the generation of release notes to building and testing your software and deploying securely to Azure, Amazon Web Services (AWS), or Google Cloud using OpenID Connect (OIDC), secrets, variables, environments, and approval checks. The book goes beyond CI/CD by demonstrating recipes to execute IssueOps and automate other repetitive tasks using the GitHub CLI, GitHub APIs and SDKs, and GitHub Token. You’ll learn how to build your own actions and reusable workflows to share building blocks with the community or within your organization. By the end of this GitHub book, you'll have gained the skills you need to automate tasks and work with remarkable efficiency and agility.
Table of Contents (10 chapters)
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Reusable workflows and composite actions

If you start automating with IssueOps, workflows get very complex very fast. You will end up with a lot of if clauses on jobs and steps. To keep these solutions maintainable, you can use composite actions or reusable workflows to not only reuse functionality but also break down complex workflows into smaller parts.

We have already covered composite actions in previous chapters. In this recipe, we will use a reusable workflow to add the delete functionality to our IssueOps solution.

Getting ready…

Make sure you have completed the previous recipes in this chapter.

How to do it…

  1. Create a new delete-repo.yml workflow file.
  2. As the trigger, we use the workflow_call trigger. This indicates that the workflow is a reusable workflow. Define inputs needed by our workflow:
    on:
      workflow_call:
        inputs:
          REPO_NAME:
          ...

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