Rego is the declarative policy language used by Open Policy Agent (OPA). This tile covers writing and testing Rego policies for Kubernetes admission control, Terraform and infrastructure-as-code plan validation, Docker container authorization, HTTP API authorization, RBAC and role-based access control, data filtering, metadata annotations with opa inspect, and OPA policy testing with opa test.
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Quality
Pending
Does it follow best practices?
Impact
99%
1.19xAverage score across 31 eval scenarios
Pending
The risk profile of this skill
We use OPA as a CloudFormation hook to validate resources before they are deployed. Write a Rego policy for an AWS::S3::Bucket hook that enforces private access control.
The policy must deny bucket creation or update when:
AccessControl property is not "Private"PublicAccessBlockConfiguration.BlockPublicAcls is not "true"PublicAccessBlockConfiguration.BlockPublicPolicy is not "true"The hook receives input in the CloudFormation hook format: input.resource.type, input.action (uppercase: "CREATE" or "UPDATE"), input.resource.id, and input.resource.properties.
The policy response must be a main object with allow (boolean) and violations (set of messages).
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