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Fix #17250 - Add details for TaintNodesByCondition. (#17313)

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* Add details for TaintNodesByCondition.

* Add glossary tip for taints and improve wording for TaintNodesByCondition.
This commit is contained in:
Mitesh Jain
2019-11-12 14:32:10 +05:30
committed by Kubernetes Prow Robot
parent 18a606211a
commit f54a7ad16f
1 changed files with 4 additions and 0 deletions
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content/en/docs/reference/access-authn-authz/admission-controllers.md
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@@ -626,6 +626,10 @@ We strongly recommend using this admission controller if you intend to make use
The `StorageObjectInUseProtection` plugin adds the `kubernetes.io/pvc-protection` or `kubernetes.io/pv-protection` finalizers to newly created Persistent Volume Claims (PVCs) or Persistent Volumes (PV). In case a user deletes a PVC or PV the PVC or PV is not removed until the finalizer is removed from the PVC or PV by PVC or PV Protection Controller. Refer to the [Storage Object in Use Protection](/docs/concepts/storage/persistent-volumes/#storage-object-in-use-protection) for more detailed information.
### TaintNodesByCondition {#taintnodesbycondition} {{< feature-state for_k8s_version="v1.12" state="beta" >}}
This admission controller {{< glossary_tooltip text="taints" term_id="taint" >}} newly created Nodes as `NotReady` and `NoSchedule`. That tainting avoids a race condition that could cause Pods to be scheduled on new Nodes before their taints were updated to accurately reflect their reported conditions.
### ValidatingAdmissionWebhook {#validatingadmissionwebhook} {{< feature-state for_k8s_version="v1.13" state="beta" >}}
This admission controller calls any validating webhooks which match the request. Matching