chore: add v2alpha1 group and add ControlPlane type #441
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Co-authored-by: Jakub Warczarek <[email protected]>
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Letting @mlavacca chip in on the review and thus leaving this unmerged for now. |
Co-authored-by: Jintao Zhang <[email protected]>
…at enabled is set for controllers and featureGates
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@mlavacca This is ready for review once more. PTAL. |
| // ControlPlaneDataPlaneTargetManagedByType indicates that the DataPlane target | ||
| // is managed by the owner of the ControlPlane. | ||
| // This is the case when using a Gateway resource to manage the DataPlane | ||
| // and the ControlPlane is responsible for configuring it. | ||
| ControlPlaneDataPlaneTargetManagedByType ControlPlaneDataPlaneTargetType = "managedByOwner" |
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I've tried constraining the created ControlPlane with this target type to ensure that it has an owner set but CEL doesn't allow it for some reason:
The CustomResourceDefinition "controlplanes.gateway-operator.konghq.com" is invalid: spec.versions[1].schema.openAPIV3Schema.x-kubernetes-validations[0].rule: Invalid value: apiextensions.ValidationRule{Rule:"self.spec.dataplane.type != 'managedByOwner' || self.ownerReferences[0].kind == 'Gateway'", Message:"X", MessageExpression:"", Reason:(*apiextensions.FieldValueErrorReason)(nil), FieldPath:"", OptionalOldSelf:(*bool)(nil)}: compilation failed: ERROR: <input>:1:53: undefined field 'ownerReferences'
| self.spec.dataplane.type != 'managedByOwner' || self.ownerReferences[0].kind == 'Gateway'
| ....................................................^
slack thread asking about the reason and the comprehensive list of allowed metadata fields to use in CEL: https://kubernetes.slack.com/archives/C0EG7JC6T/p1749212565802129
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This is explained in https://kubernetes.io/docs/tasks/extend-kubernetes/custom-resources/custom-resource-definitions/
The apiVersion, kind, metadata.name and metadata.generateName are always accessible from the root of the object and from any x-kubernetes-embedded-resource annotated objects. No other metadata properties are accessible.
So we can't do this validation (at this moment) via CEL.
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What this PR does / why we need it:
This PR adds a
ControlPlaneversion:v2alpha1which contains the following breaking changes with respect tov1beta1:deploymentfielddataplanefield from*stringto a typed union field which can be set to either a url (of Admin API) or a name ofDataPlaneresource (the same use case as with olddataplanefield)featureGates,controllersandadminAPIfields. The first 2 have string based arrays instead of strongly types fields (most likely the direction we'll move forward with but can potentially be changed based on feedback).CRD validation tests have not been added (yet) to allow feedback which could influence the design.
Which issue this PR fixes
Part of Kong/kong-operator#1358
Special notes for your reviewer:
Further changes to the new
v2alpha1API (like new, individual fields) will be added when this PR gets reviewed so that throw away work is avoided.PR Readiness Checklist:
Complete these before marking the PR as
ready to review:CHANGELOG.mdrelease notes have been updated to reflect significant changes