Enforcing Policies with Sentinel in Terraform Cloud

Lakshmi Thungala
Towards AWS
Published in
5 min readJul 2, 2024

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With the increasing adoption of Infrastructure as Code (IaC), organizations seek ways to ensure compliance and enforce policies across their infrastructure. Sentinel is a policy-as-code framework integrating with HashiCorp Terraform Cloud to deliver governance and policy enforcement. In this blog, we will delve into what Sentinel is, how it interacts with Terraform Cloud (by intercepting and evaluating Terraform operations), and how you can utilize it to enforce policies in your infrastructure code.

What is Terraform Cloud?

Terraform Cloud is a collaboration and automation platform for Terraform. It offers a centralized, managed service for teams to utilize Terraform. It enhances the core functionality with additional features such as state management, version control, CI/CD integrations, and policy enforcement using Sentinel.

Key Features of Terraform Cloud

➡️Remote State Management: Centralize and manage Terraform state files securely, preventing issues like state file corruption or loss.

➡️Version Control Integration: Integrate with version control systems (VCS) like GitHub, GitLab, Bitbucket, and Azure DevOps to trigger Terraform runs automatically based on code changes.

➡️Collaborative Workflows: Enable teams to work together on infrastructure changes with features like workspaces, remote runs, and notifications.

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