Merge pull request #34260 from Rishit-dagli/Rishit-dagli-defaultTolerations

Register and document scheduler.alpha.kubernetes.io/defaultTolerations annotation

Author: k8s-ci-robot

content/en/docs/reference/labels-annotations-taints/_index.md

@@ -502,6 +502,14 @@ The presence of this annotation on a Job indicates that the control plane is
 [tracking the Job status using finalizers](/docs/concepts/workloads/controllers/job/#job-tracking-with-finalizers).
 You should **not** manually add or remove this annotation.
 
+### scheduler.alpha.kubernetes.io/defaultTolerations {#scheduleralphakubernetesio-defaulttolerations}
+
+Example: `scheduler.alpha.kubernetes.io/defaultTolerations: '[{"operator": "Equal", "value": "value1", "effect": "NoSchedule", "key": "dedicated-node"}]'`
+
+Used on: Namespace
+
+This annotation requires the [PodTolerationRestriction](/docs/reference/access-authn-authz/admission-controllers/#podtolerationrestriction) admission controller to be enabled. This annotation key allows assigning tolerations to a namespace and any new pods created in this namespace would get these tolerations added.
+
 ### scheduler.alpha.kubernetes.io/preferAvoidPods (deprecated) {#scheduleralphakubernetesio-preferavoidpods}
 
 Used on: Nodes