Write a Kyverno ClusterPolicy to enforce that all Deployments set resource requests and limits

domain: kyverno.io · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗

Steps

  1. Create a `ClusterPolicy` manifest with `apiVersion: kyverno.io/v1` and a rule with `match.any` selecting Deployments
  2. Set `spec.rules[].validate.message` with a human-readable failure message
  3. Use `spec.rules[].validate.pattern` with deny conditions checking `spec.template.spec.containers[].resources.requests` and `.limits` are not empty
  4. Set `spec.validationFailureAction: Enforce` to block non-compliant resources; use `Audit` first to assess impact
  5. Apply the policy and run `kyverno test` with a test manifest to verify pass and fail cases before deployment

Known gotchas

Related routes

Author a Kyverno ClusterPolicy with mutate rules to inject resource limits and requests on pods that omit them, and validate the policy with Kyverno CLI test cases
kyverno.io · 5 steps · unrated
Author a Kyverno ClusterPolicy with a validate rule and set validationFailureAction to Enforce to block non-compliant resources
security/compliance · 5 steps · unrated
Create a Kyverno ClusterPolicy to generate default resources when a namespace is created
kyverno.io · 6 steps · unrated

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