feat(gatekeeper-config): security policies#1707
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Add the gatekeeper-config PluginDefinition skeleton: - chart structure, - shared Rego libraries in _helpers.tpl - plugindefinition with per-policy options pattern - README - CI workflow entry. - high-cpu-requests, unmanaged-pods policies as a proof of the pattern On-behalf-of: @SAP <mikolaj.kucinski@sap.com> Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
- Expose policies.highCpuRequests.maxCpu as a configurable parameter - Guard canonify_cpu string-parsing branches with is_string(orig) On-behalf-of: @SAP <mikolaj.kucinski@sap.com> Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
- cover add_support_labels and traversal libs plus the high-cpu-requests and unmanaged-pods policies - install gator and run the suite on every PR touching gatekeeper-config/** via new workflow On-behalf-of: @SAP <mikolaj.kucinski@sap.com> Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
On-behalf-of: @SAP <mikolaj.kucinski@sap.com> Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
- add forbidden-clusterwide-objects, images-from-approved-registries, pci-forbidden-images, pod-required-labels, pod-security-v2 - bump chart and PluginDefinition to 0.2.0 On-behalf-of: @SAP <mikolaj.kucinski@sap.com> Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
On-behalf-of: @SAP <mikolaj.kucinski@sap.com> Signed-off-by: Mikolaj Kucinski <osidu12@gmail.com>
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Pull Request Details
Add security policies as the next batch of the
gatekeeper-configmigration.Differences vs upstream:
forbidden-clusterwide-objectscluster_type.allowedWebhooksis a Constraint parameter.images-from-approved-registriesimages-from-non-keppel: denylist hardcoded to a single registry prefix.allowedRegistriesallowlist viastartswith(image, prefix).pci-forbidden-imagesiro.spec.containers[_]only matched Pods.patternsis a Constraint parameter; iterates viatraversal.find_container_specs(handles all pod owners).pod-required-labelspod-labels: hardcoded label key whose value is validated against a fixed whitelist.requiredLabelsis a list of label keys whose presence is enforced.pod-security-v2allowlistis a Constraint parameter. Dropped 3 orphan top-level Rego rules (dead code).Breaking Changes
None.
Issues Fixed
Other Relevant Information
None.