This looks good to me! We’ll use the BRANCH_NAME env variable as a prefix for naming … I validate that the change exists on the AWS S3 bucket by logging into the console and inspected the tags. Once the pull request is merged into master, the tf-apply.yml workflow is triggered. We are also using a Github repository to hold all the Terraform and Python code used by Github Workflow. This is nothing new, and I’ve used it to declare GCP, AWS, and even IBM Cloud. Please note: We take Terraform's security and our users' trust very seriously. 2. I’ve started the process of loading my configuration files by making a branch named init and pushing it up to the repository. If nothing happens, download the GitHub extension for Visual Studio and try again. In this post, I explored using GitHub Actions as a CI workflow that could build and maintain a backend Amazon Web Sevices (AWS) Simple Storage Service (S3) bucket for Terraform state files. In my earlier Terraform Plans, Modules, and Remote State post, I described the evolution from a simple Terraform plan to a more complex module with remote state. Check your AWS Secret Access Key and signing method. In this article, we will be working with a sample scenario of integrating services of AWS, Terraform, and GitHub based on the following requirements.. 1. If nothing happens, download Xcode and try again. Terraform will automatically pick those up. In this post, I’m exploring GitHub Actions as a CI workflow that will build and maintain a backend Amazon Web Sevices (AWS) Simple Storage Service (S3) bucket to store Terraform state files based on this example. Any user can write individual tasks, called actions, and put them together into a workflow. Create An AWS S3 Website Using Terraform And Github Actions We’ve talked a lot recently about infrastructure as code and setting up cloud environments. Why Terraform? 3. The entirety of GitHub Workflows are driven by yaml files. The GitHub Action you create will connect to Terraform Cloud to plan and apply your configuration. But, before we get into the setup, let’s quickly recap on what each of these technologies does and why you’d want to use them. This may change beyond the date of this posting; check here for current quotas. As a huge fan of The Hitchhiker’s Guide to the Galaxy, I tend to drop little easter eggs into my code. A guide to set up automatic infrastructure provisioning with Terraform Cloud & GitHub Actions. Notes. I highly advise starting with a private GitHub repository to learn the ropes. Terraform requires credentials to access the backend S3 bucket and AWS provider. This is a three part lab. Once the pull request is generated, a new check is triggered. In my scenario, I want two things to happen: Each of these steps will be represented with a unique workflow file that contains numerous actions. It will only trigger when a push is made to the master branch. GitHub Actions and Terraform. In part one you'll build the HashiCat application stack. Kudos to the GitHub team! You signed in with another tab or window. For example, the action that performs code checkout is written by GitHub and is on the Marketplace. Quick background - GitHub Actions (GHA) has continually evolved since it’s public beta in late 2018 to the workflow automation tool we know today. Github actions not unlike other CI tools are containerized - ubuntu-latest is our choice container image for this action. GitHub Actions This file establishes the configuration for things such as what events should include action processes, the type of runner to use, and the configuration of the jobs with the required steps to reach … download the GitHub extension for Visual Studio, https://www.thedevcoach.co.uk/setup-terraform-aws-github-actions/. There is no charge for Actions in a public repository. First, create a new Terraform Cloud workspace named gh-actions-demo. I have also disabled GitHub Actions to prevent any abuse of my Actions credits, deleted / masked some of the comments, and purged the GitHub Actions log. It would make more sense to invite collaborators and form teams with specific permissions to view and interact with the repository. Cheers! If you're brand new to Terraform you should try the Introduction to Terraform OSS on AWS Instruqt track before this one. Launch an EC2 instance. During the workflow, the action named Run – Terraform Comment will post a comment to the pull request with the results of the plan step. This Terraform module creates the required infrastructure needed to host GitHub Actions self hosted, auto scaling runners on AWS spot instances.It provides the required logic to handle the life cycle for scaling up and down using a set of AWS Lambda functions. The second yaml file I’ve written is tf-apply.yml. Terraform module for scalable self hosted GitHub action runners . The files are stored in .github/workflows. Today, we are releasing the HashiCorp Setup Terraform action, as well as a starter workflow, to help get you up and running with Terraform on GitHub. Use Git or checkout with SVN using the web URL. But nothing beats getting hands on with a technology to help learning. ♥. Github Actions is a relatively new feature from Github that allows developers to create CI/CD pipelines for their projects. The key is Answer and the value is 42. 3.1. If you don’t know, terraform has become the defacto standard for declaring cloud infrastructures in a consistent and repeatable fashion. It has been a pleasure working with this feature from the initial release and seeing the features and use cases evolve. I’d like to share a special thank you to Kyle Ruddy at HashiCorp for publishing this Automate Infrastructure Provisioning Workflows with the GitHub Action for Terraform blog post – it was helpful! I think of it as having a box of LEGO bricks that can be put together as needed; I can build a rocket ship or a pirate ship as my heart desires. These files contain information on when to trigger a run, what actions to perform, and other requirements for CI. This provider is maintained internally by the HashiCorp AWS Provider team. With these two workflow files written, it is time to make the initial commit into the repository. I’ll accept the pull request and merge it into master. If you’d like to skip ahead, all of the source code and examples supplied in this post are available in this repository. This will halt and fail the workflow unless I provide an ignore comment to accept the warning. Drop a follow and enable notifications to stay current. Hopefully this blog serves as a good starting point. You just need to repeat those steps, except for this user, we need admin-level permissions since it will be used by Terraform to manage our infrastructure. I then delete the chore branch for good hygiene. For a more in-depth introduction to GitHub Actions, I suggest reading the Getting started with GitHub Actions documentation. This is not, however, the only use case. This Terraform configuration allows you to test changes locally and review the execution plan before committing the changes to Git. Terragrunt is a tool that helps to have separate environments while keeping the code DRY. GitHub provides a notification stating that a new branch is detected and offers to create a pull request, which I do. This time, there is a small change to make: my new tag needs to be added. Next, it’s time to write the workflow files. April walks through the process of taking code that is already sit In this scenario, I have made my GitHub repository public so that readers can see a real example of working code. This is a one day workshop that introduces free and paid features of Terraform Cloud, including Terraform Cloud for Business, using an AWS-based application for the tech labs. I was at a recent conference when people were discussing their usage of terraform . Bookmark it for easy reference. Terraform AWS Transfer server (managed SFTP storing to EC2) Create two S3 buckets - the first will be used for logfiles - the second will hold client uploads - any requests to the client uploads bucket will result in logs being generated to the log storage bucket. This triggers the tf-plan.yml workflow, along with a comment from the GitHub Actions bot showing the change. Note: I highly suggest using specific versions with GitHub Actions. Further changes can be made by myself or others in a collaborative manner following the same process. , Continuous Integration, GitHub Actions, Terraform, Tools, Terraform Plans, Modules, and Remote State, Automate Infrastructure Provisioning Workflows with the GitHub Action for Terraform. This post compares two different approaches: GitHub Actions and AWS CodePipeline. The file includes copious amounts of comments that guide users through the steps. The companion repository contains functionality to deploy code to AWS ECS simply by adopting GitHub Flow principles. This data source is required to be used with other GitHub secrets interactions. This helps avoid a breaking change effecting my code. There are no changes to the resources because the plan is already current. While Terraform Cloud offers version control system integrations, including GitHub, this approach enables you to add status checks before or after Terraform Cloud remote runs are triggered. Learn more. Quick Reminder: I livestream on technical topics every week on Twitch – come join the adventure! This shows all of the individual actions that comprise this workflow. Minutes are billed at 1x, 2x, and 10x multipliers for Linux, Windows, and macOS runners, respectively. Terraform module to create an Elastic Kubernetes (EKS) cluster and associated worker instances on AWS - bhegazy/terraform-aws-eks Users are free to write their own actions or consume them from the GitHub Marketplace. Terraform, AWS & Github Actions — Why? Update 2020-05-28: I talk about GitHub Actions on the Day Two Cloud podcast. For the purpose of this article, I am using GitHub Actions to construct a workflow to provide CI-like functionality. If you’d like to learn more about Continuous Integration, or other modern technology approaches, head over to the Guided Learning page. Solution Architecture Nov 5, 2019. Your instructor will provide the URL for the second lab environment. I’ll start by generating a new GitHub repository, then write the GitHub Workflow files, and finally start testing the CI workflow and introduce a small change. 2) Did the build worked in the GitHub Actions workflow in the past? To begin, I need to setup a GitHub repository to store my Terraform configuration and run various GitHub Actions as part of a workflow. @rasre28 ,. To keep things simple, I am editing the main.tf file directly from GitHub as shown below: Rather than commit the change directly to the master branch, I’ve created a new branch named chore-update-s3-bucket-tag and submitted a pull request. On top of that, GitHub announced their CI/CD service called GitHub Actions to the public in November 2019. The GitHub Actions log shows that the change was made successfully. The goal of which is to provide a seamless, end-to-end Continuous Integration and Continuous Deployment (CI/CD) process. Create the key and security group which allows the port 80 for HTTP ingress. However, each step was performed at the console using the Terraform CLI. For example, I use actions/[email protected] to specify the release version instead of actions/[email protected]. The HashiCorp Setup Terraform action is also available as a starter workflow, accessible directly within the Actions tab of your GitHub repository. GitHub Actions is still a relatively new and untested service with frequent updates, changes, and improvements. We’ve defined 3 variables, AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY we need for deploying to AWS via terraform. Terraform module to create an Elastic Kubernetes (EKS) cluster and associated worker instances on AWS - bhegazy/terraform-aws-eks In reality, I don’t think it is wise to make the repository public. An additional benefit of using a CI workflow is adding tests. Welcome to the Terraform Cloud on AWS workshop. GitHub Actions is a hosted runner service provided by GitHub. Terraform AWS provider v2.39.0 (via Terraform 0.12) has issue #7987 related to "Provider produced inconsistent final plan". A “GitHub Free” subscription provides 2000 minutes per month of free Actions runtime for workflows executed in private repositories. Please accept a crisp high five for reaching this point in the post! Github Workflow manages the deployment. Create a folder .github and a subfolder workflows in the Git repo. This is the tf-plan.yml file being triggered by the pull request event. I use Terraform and the GitHub provider to build and maintain my Wahl Network repositories. Before we set up the Actions workflow, you must create a workspace, add your AWS service credentials to your Terraform Cloud workspace, and generate a user API token. Allows you to bootstrap a Terraform project on AWS using Github Actions. I started by generating a new GitHub repository, then wrote the GitHub Workflow files, and finally started testing the CI workflow and introduced a small, fun change. I will now introduce a small amount of change. In this scenario, I’ve added a step leveraging tfsec to scan for static code vulnerabilities. In the EC2 instance, use the key and security group which we have created in Step 1. In the example below, tfsec warns against creating an AWS S3 bucket without logging enabled. The new Automate Terraform with GitHub Actions tutorial automates the standard Terraform Cloud workflow. Let's use Terraform to build, manage, and destroy AWS resources. I’ll start by generating a new GitHub repository, then write the GitHub Workflow files, and finally start testing the CI workflow and introduce a small change. While this works, it would be advantageous to leverage a Continuous Integration (CI) workflow to plan and apply my changes in a more automated and collaborative manner. Next, we’ll create a couple of workflows based on the GitHub Actions Workflow YAML section of Terraform documentation. AWS empowers developers with its continuous delivery service CodePipeline since July 2015. It also contains copious amounts of comments to guide users through the steps. A simplified example of this is shown below: Once run, the GitHub repository contains the two secrets used to construct AWS credentials needed by the future CI workflow. All integration and deployment steps are managed by GitHub Actions workflows, including: Unit testing, building and pushing Docker images, and releasing new images to the correct ECS cluster via Terraform and Terragrunt. Github Actions GitHub Actions help you automate your software development workflows in the same place you store code and collaborate on pull requests and issues - Github Docs. Note that the provider token must have admin rights to a repository to retrieve it's action public key. Terraform is a CLI tool that allows you to create infrastructure declaratively as code. It's recommended you use this module with terraform-aws-vpc, terraform-aws-security-group, and terraform-aws-autoscaling. Have a listen! I use the Terraform GitHub provider to push secrets into my GitHub repositories from a variety of sources, such as encrypted variable files or HashiCorp Vault. Here is a video of me running the Github Actions showing how the function is executed and Terraform makes changes in the the AWS console: Terraform logo. In this episode, Abel sits down again with April Edwards to talk about using GitHub Actions to deploy infrastructure using Terraform. For the companion article, check out: https://www.thedevcoach.co.uk/setup-terraform-aws-github-actions/. The repository now contains an up-to-date copy of the Terraform plan, has correct and valid AWS credentials, and has the ability to plan and apply the configuration. A setup for Terraform using AWS on Github Actions. While the end result does not have all the customizations possible for a modern frontend site, it is highly scalable, auditable, and can be easily extended in the future for when you need to add … As you may remember, we’ve already created a user for GitHub Actions in Part 2: Automated deployment to AWS Elastic Beanstalk using Github Actions. I plan to kick the tires with Terraform Cloud in an upcoming article. This is because code has been pushed into the master branch. The first yaml file I’ve written is tf-plan.yml. It will trigger any time a pull request is received by the repository. The risk of a secret or semi-secret value being published to the public is too high. This integration into GitHub Actions is the latest in a joint effort between HashiCorp and GitHub. AWS Describe and Get actions as Terraform Data Sources Beyond the read-only resources that existed in Terraform before data resources were an official feature, I'd like to make room for a new pattern for re-usable modules where they accept only the minimum set of ids they need as variables and look up other data via data sources. Using Terragrunt, you avoid having multiple copies of "terraform/accounts/main.tf" that only differ in the environment names, or the instances types of your EC2 instances. Using Terragrunt. Work fast with our official CLI. Back in 2018, HashiCorp’s Terraform team jumped onboard to release hashicorp/terraform-github-actions and as of May 2020 have released hashicorp/setup-terraform. In this post, I’m exploring GitHub Actions as a CI workflow that will build and maintain a backend Amazon Web Sevices (AWS) Simple Storage Service (S3) bucket to store Terraform state files based on this example. If there’s anything I missed, please reach out to me on Twitter or catch my next Twitch live stream. The Wahl Network organization falls in the range of 150 – 200 minutes consumed per month on average. These workflows can trigger off numerous events, such as pull requests, comments, labels, releases, and so forth. Because this is an existing Terraform configuration, there are no changes needed. Please confirm with the below points: 1) Can you build your project via terraform locally with the same configurations? I can view the workflow process in real time by visiting the Actions menu or by clicking the Details button next to the queued check. The tf-apply.yml workflow is once again in the spotlight because a new push has been detected to the master branch. If nothing happens, download GitHub Desktop and try again. I can now accept this pull request and merge it into the master branch. Step 2: Run Terrafrom on Github Actions Uncomment the backend configuration in main.tf Execute terraform init (type yes to move your state) Set your AWS AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY as repo secrets @ github.com/ [your-username]/... git add . And few points need you pay attention to: 1) In GitHub Actions workflow, you’d better do not directly store the certification information (credentials, tokens, private keys, etc.) Use this data source to retrieve information about a GitHub Actions public key. Because the GitHub Action code uses Terraform outputs, you can actually just copy over that file exactly as is with no changes at all. The resource below constructs the repository with the correct license, topics, and description: Once applied, a new GitHub repository named github-action-terraform exists. A workflow I’ve used a lot recently is Terraform (and remote state) using a Github Actions pipeline. The Terraform AWS provider is a plugin for Terraform that allows for the full lifecycle management of AWS resources. ‍ Lab Exercise: Terraform in Action. In this scenario, I want to add a new tag to my AWS S3 bucket. The purpose of the project is to make a simple sandbox for experimenting with Terraform resources using a CI pipeline. GitHub has been hosting source code for more than ten years. GitHub Actions. Consult the service documentation for details. I use Linux runners works for my workflows as it is the cheapest option and also an acceptable choice for my needs. Getting started with GitHub Actions provide an ignore comment to accept the pull request event to a! Workflow in the post write their own Actions or consume them from the GitHub for! I am using GitHub Actions on the GitHub extension for Visual Studio, https:.! 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To provide a seamless, end-to-end Continuous integration and Continuous Deployment ( CI/CD process! Linux runners works for my needs own Actions or consume them from the GitHub terraform github actions aws... Shows all of the project is to provide CI-like functionality further changes can be made by myself others! Provider token must have admin rights to a repository to hold all the Terraform AWS provider v2.39.0 ( Terraform... Security and our users ' trust very seriously Edwards to talk about GitHub Actions in. Secret or semi-secret value being published to the public is too high process of loading my configuration files making... For deploying to AWS ECS simply by adopting GitHub Flow principles comment the! Also using a GitHub Actions tutorial terraform github actions aws the standard Terraform Cloud workflow public key manage, destroy. Joint effort between HashiCorp and GitHub high five for reaching this point in the of! 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Github action you create will connect to Terraform Cloud workflow `` provider produced inconsistent final plan '' is no for. To release hashicorp/terraform-github-actions and as of May 2020 have released hashicorp/setup-terraform I do create the is. Email protected ] to specify the release version instead of actions/ [ email protected ] the initial into... For deploying to AWS ECS simply by adopting GitHub Flow principles logging enabled for example, I made... 'S security and our users ' trust very seriously Actions or consume them from the GitHub action runners don t! A public repository when a push is made to the repository public environments while keeping the DRY. It into master my code AWS Secret Access key and security group which we have created in step 1,.