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Clean up admission controller deprecation example (#18399)

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Tim Bannister
2020-01-29 23:28:14 +00:00
committed by GitHub
parent c43b4a5dd5
commit 3cf7ba1092
1 changed files with 4 additions and 3 deletions
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content/en/docs/reference/access-authn-authz/extensible-admission-controllers.md
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@@ -969,9 +969,10 @@ Specifying `Equivalent` is recommended, and ensures that webhooks continue to in
resources they expect when upgrades enable new versions of the resource in the API server. resources they expect when upgrades enable new versions of the resource in the API server.
When a resource stops being served by the API server, it is no longer considered equivalent to other versions of that resource that are still served. When a resource stops being served by the API server, it is no longer considered equivalent to other versions of that resource that are still served.
For example, deprecated `extensions/v1beta1` deployments are scheduled to stop being served by default in v1.16. For example, `extensions/v1beta1` deployments were first deprecated and then removed (in Kubernetes v1.16).
Once that occurs, a webhook with a `apiGroups:["extensions"], apiVersions:["v1beta1"], resources:["deployments"]` rule
would no longer intercept deployments created via `apps/v1` APIs. For that reason, webhooks should prefer registering Since that removal, a webhook with a `apiGroups:["extensions"], apiVersions:["v1beta1"], resources:["deployments"]` rule
does not intercept deployments created via `apps/v1` APIs. For that reason, webhooks should prefer registering
for stable versions of resources. for stable versions of resources.
This example shows a validating webhook that intercepts modifications to deployments (no matter the API group or version), This example shows a validating webhook that intercepts modifications to deployments (no matter the API group or version),