Open Policy Agent
Policy-based control for cloud native environments.
Overview
Open Policy Agent (OPA) is an open-source, general-purpose policy engine that enables unified, context-aware policy enforcement across the entire stack. While not strictly an IaC scanner, OPA is a foundational technology used by many IaC compliance tools to create and enforce custom policies.
✨ Key Features
- General-purpose policy engine
- Declarative policy language (Rego)
- Can be used to enforce policies on any JSON/YAML data
- Integrates with a wide range of tools and services
- Decouples policy from application logic
- Open-source and CNCF graduated project
🎯 Key Differentiators
- General-purpose and flexible
- Declarative policy language
- Wide adoption and strong community
Unique Value: Provides a unified way to enforce policies across the entire cloud-native stack.
🎯 Use Cases (4)
✅ Best For
- Writing custom policies for Terraform using Rego
- Enforcing organizational policies on Kubernetes deployments
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Out-of-the-box IaC scanning (requires policy authoring)
- Vulnerability scanning
💻 Platforms
✅ Offline Mode Available
🔌 Integrations
💰 Pricing
Free tier: Full open-source version is free.
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