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The new DRAAdminAccess feature gate has the following effects: - If disabled in the apiserver, the spec.devices.requests[*].adminAccess field gets cleared. Same in the status. In both cases the scenario that it was already set and a claim or claim template get updated is special: in those cases, the field is not cleared. Also, allocating a claim with admin access is allowed regardless of the feature gate and the field is not cleared. In practice, the scheduler will not do that. - If disabled in the resource claim controller, creating ResourceClaims with the field set gets rejected. This prevents running workloads which depend on admin access. - If disabled in the scheduler, claims with admin access don't get allocated. The effect is the same. The alternative would have been to ignore the fields in claim controller and scheduler. This is bad because a monitoring workload then runs, blocking resources that probably were meant for production workloads.
Kubernetes's OpenAPI Specification
This folder contains an OpenAPI specification for Kubernetes API.
Vendor Extensions
Kubernetes extends OpenAPI using these extensions. Note the version that extensions have been added.
x-kubernetes-group-version-kind
Operations and Definitions may have x-kubernetes-group-version-kind if they
are associated with a kubernetes resource.
For example:
"paths": {
...
"/api/v1/namespaces/{namespace}/pods/{name}": {
...
"get": {
...
"x-kubernetes-group-version-kind": {
"group": "",
"version": "v1",
"kind": "Pod"
}
}
}
}
x-kubernetes-action
Operations and Definitions may have x-kubernetes-action if they
are associated with a kubernetes resource.
Action can be one of get, list, put, patch, post, delete, deletecollection, watch, watchlist, proxy, or connect.
For example:
"paths": {
...
"/api/v1/namespaces/{namespace}/pods/{name}": {
...
"get": {
...
"x-kubernetes-action": "list"
}
}
}
x-kubernetes-patch-strategy and x-kubernetes-patch-merge-key
Some of the definitions may have these extensions. For more information about PatchStrategy and PatchMergeKey see strategic-merge-patch.