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What GitOps Means for the Cloud

by Elizabeth Wallace

GitOps uses open-source version control system Git to provision cloud infrastructure.

As more companies adopt a hybrid cloud model or migrate fully to cloud services, they need new methods for management. Traditional, manual infrastructure will swiftly become unsustainable, and the latest application of DevOps offers a solution. GitOps uses Git — a free, open-source version control system for handling all sizes of projects — to automate and provision infrastructure. And this is why companies may want to pay attention.

Why GitOps is becoming more popular

DevOps emerged as a set of best practices for application development. It provided version control, compliance and collaboration, and continuous integration/continuous delivery/continuous deployment (CI/CD) tooling. Despite the DevOps influence on software development, infrastructure remains largely manual.

This was fine when infrastructure was simple, controlled, and on-premises. As data expanded and companies moved beyond the traditional network edge, managing a complex cloud/hybrid cloud environment is beyond manual control.

First created and shared by Weaveworks, GitOps uses the same principles of DevOps but applies them to the infrastructure itself. Using Git pull requests, users can verify and deploy infrastructure changes. Git becomes a single source of truth through configuration files stored as code. Any pull requests modify the Git repository, syncing live infrastructure automatically.

Traditionally, systems administrators modified and deployed through a series of manual actions executed over physical server racks or through cloud provisioning API. Sharing and collaboration weren’t the norm; finding documentation could be nearly impossible if one administrator left.

The benefits of GitOps

GitOps offers several benefits for teams struggling to maintain infrastructure.

Easy to obtain, open-source tool

Git is already a common tool for developers, and shifting infrastructure provisioning isn’t a challenge. There’s a good chance someone (or many someones) is already familiar with Git and could become multi-functional.

A single source of truth

The biggest challenge with infrastructure is that administrators often cobble together custom scripts and configurations. When something breaks, it’s a significant obstacle to responding, especially if that administrator is no longer involved. GitOps leverages version control so that all team members can track changes, review audit trails, and update documentation.

Increased collaboration thanks to transparency

Teams can use Git to experiment with and deploy new configurations. If they don’t go well, teams can revert back using the Git repository. In addition, a central code repository allows teams to review codes, record commentary, and so on. The entire infrastructure team can participate in monitoring and building.

Why the cloud is a natural partner

GitOps allows companies to standardize processes formerly in the realm of manual, piecemeal updates. As companies systematize everything, GitOps can improve both consistency and reliability within the environment.

GitOps is environment agnostic, making it well-suited to the cloud and hybrid cloud environments. Git manages all parts of the system — it provides the foundation for cloud systems. When these systems experience true consistency, it becomes more possible to scale. GitOps gives operators a way to manage the complexity of cloud systems. They’re able to see deployments across platforms and quickly address challenges through a logical, streamlined documentation trail.

GitOps could also help reduce some of the hidden costs of moving to the cloud. Companies don’t need to grapple with vendor lock-in to start, and with the common familiarity of Git, in-house talent might be able to take over more quickly. And its very nature allows companies to manage ever-changing infrastructure with minor disruptions.

GitOps also address security through…

Read more on CloudDataInsights.com



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