Our first task is to create a project on Google Cloud to store everything related to Terraform itself, like the state and service accounts. Now that Terraform is working, we can create our project. It should print something similar to Terraform v0.13.5 (Terraform is updated regularly so don’t be surprised if your version is something different) On Linux, for example, installing Terraform is as easy as running: wget -O terraform.zip Ĭonfirm that it was installed correctly by running: terraform version Note: Terraform offers extensive documentation about installation, if you would like to try a different method. I have found that the easiest way to install Terraform CLI is to download the prebuilt binary for your platform from the official download page and move it to a folder that is currently in your PATH environment variable. The state can be stored in different backends: locally, on a remote storage service, or in state management software. To keep resources in sync with what is running in the cloud provider, Terraform uses a state. The resource can be a server, a firewall rule, a network address, or another part of infrastructure. A Terraform resource is a code representation of an infrastructure resource. We will be using Terraform for writing resources. Terraform is a tool that allows us to code infrastructure using configuration files written in a specialized programming language called Hashicorp Configuration Language (HCL). In this tutorial, we will use a CircleCI workflow to deploy our infrastructure changes on each commit to the master branch of our GitHub repository. Alternatively, refer to pushing to GitHub)ĬircleCI workflows are a declarative way to specify how, when, and in what order a list of jobs should run in a pipeline. The GitHub CLI installed locally and working (Recommended.gcloud CLI installed and logged into on your account.A Google Cloud Platform Google account with a configured billing account.To follow this tutorial, a few things are required: Note: I will describe what Terraform does in more detail a little later in the tutorial. You will be able to adapt and apply what you have learned here even if you use another cloud provider, like DigitalOcean or Amazon Web Services (AWS). For this project, we will deploy the infrastructure we build to Google Cloud Platform (GCP). In this tutorial, you will learn how to automate the deployment of changes to your infrastructure using Terraform and CircleCI workflows. circleci/ you are looking for an Infrastructure as Code (IaC) tool, Terraform probably tops your list. To start, we will just add a single file to our repository: the main CircleCI config file under. The idea is that whenever you push a new version of your code to GitHub, CircleCI automatically starts a new CI build for projects you follow. Next you will need to create a CircleCI account and link it to this new repository (in CircleCI, they call this following the project). We've also published this article's Git repository so you can always review the full files there. For this article we are creating a repository called example-circleci-automation, but you can name it anything you like. We recommend getting familiar with and using the git command line tool if you don't use it already. If you are new to Git or GitHub, simply follow these instructions. We will start by creating a new Git repository on GitHub. The setup explained here will work with practically any test automation tool, so you can easily adjust it to the frameworks and platforms you use. In this article we will look at setting up a modern CI workflow to run automated tests on CircleCI with Docker, including collecting and reporting test results.
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