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Adding new EndpointsOverCapacity annotation for Endpoints controller

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Now that the EndpointSlice API and controllers are GA, the Endpoints
controller will use this annotation to warn when Endpoints are over
capacity. In a future release, this warning will be replaced with
truncation.
This commit is contained in:
Rob Scott
2021-03-08 17:54:18 -08:00
parent 3f09686958
commit 8a3f72074e
4 changed files with 175 additions and 1 deletions
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8
pkg/apis/core/annotation_key_constants.go
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@@ -101,6 +101,14 @@ const (
// https://github.com/kubernetes/community/blob/master/sig-scalability/slos/network_programming_latency.md
EndpointsLastChangeTriggerTime = "endpoints.kubernetes.io/last-change-trigger-time"
// EndpointsOverCapacity will be set on an Endpoints resource when it
// exceeds the maximum capacity of 1000 addresses. Inititially the Endpoints
// controller will set this annotation with a value of "warning". In a
// future release, the controller may set this annotation with a value of
// "truncated" to indicate that any addresses exceeding the limit of 1000
// have been truncated from the Endpoints resource.
EndpointsOverCapacity = "endpoints.kubernetes.io/over-capacity"
// MigratedPluginsAnnotationKey is the annotation key, set for CSINode objects, that is a comma-separated
// list of in-tree plugins that will be serviced by the CSI backend on the Node represented by CSINode.
// This annotation is used by the Attach Detach Controller to determine whether to use the in-tree or