Infrastructure as Code is one of the key practices in DevOps. As a best practice for repository structure, each repository containing Terraform code should be a manageable chunk of infrastructure, such as an application, service, or specific type of infrastructure (like common networking infrastructure).
[name] => Blog For instance, the projects may be grouped together in the virtual structure of the IDE, but be all stored in the root directory on disk.Your community may also have a specific style. ... Do you let CI server to update the repository when new artifact is built? It only takes a minute to sign up.I've looked into many open source software repositories, and I've found some common elements and somethings people do in different fashion from one another.For example: personally, I don't like the code in the root level, git-fashion. Stay tuned. Building and maintaining infrastructure, especially in the cloud, is becoming more and more complex. Discuss the workings and policies of this site
You can read that article I’m not going to copy/paste that whole article here, but here are a few highlights/points that it brought out worth noting: So the summarizition from the Terraform information is: Now, of course, the Terraform approach is just one school of thought. It is inspired by Puppet's R10K and Hiera, and allows to separate staging environments via git branches so that successful changes can be promoted through each environment, while keeping the infra consistent (more on this later). Ensure that each proposed change is small.
Follow all the topics you care about, and we’ll deliver the best stories for you to your homepage and inbox. Some example of resources we add to modules include: ec2 – An ec2 instance templates with all corporate tagspersistent_asg – Template to create an auto-scaling group which preserves IP addresses and EBS volumes This repository stores the infrastructure code of the resources in the shared service account. Currently, repository structure is highly opinionated and convention driven. For example, how to do an initial migration of the data from one to the other and how to handle transactional changes. ) For example, a single Jenkins server might be used to deploy code to ‘dev’, ‘qa’ and ‘prod’ environments and as such the server would belong to a shared services environment.
An example shared services that might be found here are Jenkins, ELK, or Splunk for logging, Prometheus or similar tool for monitoring, Transit VPC, etc. Possibility of long-term infrastructure management through code, Versioning and change control, Self-documenting code, Automation of processes, Repeatability of the current configuration, One of the biggest IaC benefits is the opportunity to store all the infrastructure code in a separate repository.
Detailed answers to any questions you might have There is no “right” answer. The Unit of Work and Repository patterns are intended to encapsulate the infrastructure persistence layer so it is decoupled from the application and domain-model layers. Term: Infrastructure Stack. The IT infrastructure managed by this process comprises both physical equipment, such as bare-metal servers, as well as virtual machines, and associated configuration resources.
Aside from that, this question boils down to personal preferences. Anybody can answer
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Recently, while engaged on a large geographically dispersed and multi-team project, the question was posed: “Should we use a single (aka “mono”) repository for our Infrastructure-as-Code (IaC), or should we use multiple (aka “multi”) repositories?”Since this project was using HashiCorp’s Terraform templating language (along with the Terraform Enterprise product), the first thought was to find out what their recommendation was. Development and operational teams can work as one, meaning true dev-ops is achieved for infrastructure build projects and new releases can be made quicker using a “minimal viable product” concept.
Changes that require complex modifications with types or renaming columns are riskier, and rollback precautions must be scrutinized even further.The same patterns apply to infrastructure.
Most of the advice given here is to help facilitate the roll back of the infrastructure to a known good state if an issue is detected.We have found that clients who have had the most success with Terraform (or any IaC) follow these best practices:Immutable infrastructure is the practice of creating new infrastructure instead of changing in place. I can think of few additional ways to organise infrastructure as code, but despite any possible shortcomings the repository structure described in this article can scale very well. The first is the modules repo. Need to add additional subnets for a specific VPC? That can be done through workspaces, directory structure, etc.
Also, note that this repo structure is applicable to both TerraForm and CloudFormation, the two most commonly used infrastructure as code languages today.
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