sentinel ☆
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Description:
Language and framework for policy as code
Type: Cask  |  Latest Version: 0.40.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @HashiCorp  |  formulae.brew.sh
Category: Devops
Tags: policy governance devops security infrastructure
Install: brew install --cask sentinel
About:
Sentinel is a policy as code framework designed to enforce fine-grained, logic-based policies for cloud and infrastructure management. It integrates deeply with HashiCorp tools like Terraform and Vault to provide governance and compliance controls. This allows teams to define and automate policies that ensure security, cost, and operational standards are met.
Key Features:
  • Policy as Code: Define policies using a declarative language
  • Enforcement: Integrates with Terraform, Vault, and Consul for checks
  • Governance: Provides fine-grained control over infrastructure changes
  • Logic-based: Uses predicates and logic to evaluate policy conditions
Use Cases:
  • Enforcing security and compliance standards in infrastructure deployments
  • Preventing costly or misconfigured resources in Terraform plans
  • Implementing governance for cloud resource management
Alternatives:
  • Open Policy Agent (OPA) – General-purpose policy engine, often used with Kubernetes and APIs
  • Cloud Custodian – Focuses on cloud resource governance and compliance automation
Version History
Detected Version Rev Change Commit
Aug 7, 2024 6:51am 0.27.0 0 VERSION_BUMP ecbc800e
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