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OPA Gatekeeper Library

A community-owned library of policies for the OPA Gatekeeper project.

Usage

Apply the template.yaml and constraint.yaml provided in each directory under library/

For example

cd library/general/httpsonly/
kubectl apply -f template.yaml
kubectl apply -f samples/ingress-https-only/constraint.yaml
kubectl apply -f library/general/httpsonly/sync.yaml # optional: when GK is running with OPA cache

How to contribute to the library

New policy

If you have a policy you would like to contribute, please submit a pull request. Each new policy should contain:

  • A constraint template with a description annotation and the parameter structure, if any, defined in spec.crd.spec.validation.openAPIV3Schema
  • One or more sample constraints, each with an example of an allowed (example_allowed.yaml) and disallowed (example_disallowed.yaml) resource.
  • The rego source, as src.rego and unit tests as src_test.rego in the corresponding subdirectory under src/

Development

  • policy code and tests are maintained in src/ folder and then manually copied into library/
  • run all tests with ./test.sh
  • run single test with opa test src/<folder>/src.rego src/<folder>/src_test.rego --verbose
  • print results with trace(sprintf("%v", [thing]))