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https://issues.apache.org/jira/browse/FLINK-27615?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Biao Geng updated FLINK-27615:
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Summary: Document how to define namespaceSelector for k8s operator's
webhook for different k8s versions (was: Document the how to define
namespaceSelector for k8s operator's webhook)
> Document how to define namespaceSelector for k8s operator's webhook for
> different k8s versions
> ----------------------------------------------------------------------------------------------
>
> Key: FLINK-27615
> URL: https://issues.apache.org/jira/browse/FLINK-27615
> Project: Flink
> Issue Type: Improvement
> Components: Kubernetes Operator
> Reporter: Biao Geng
> Priority: Major
>
> In our webhook, to support {{{}watchNamespaces{}}}, we rely on the
> {{kubernetes.io/metadata.name}} to filter the validation requests. However,
> this label will be automatically added to a namespace only since k8s 1.21.1
> due to k8s' [release
> notes|https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.21.md#v1211]
> . If users run the flink k8s operator on older k8s versions, they have to
> add such label by themselevs to support the feature of namespaceSelector in
> our webhook.
> As a result, if we want to support the feature defaultly, we may need to
> emphasize that users should use k8s >= v1.21.1 to run the flink k8s operator.
>
> Due to aitozi's advice, it may be better to add document of how to support
> the nameSelector based validation instead of limiting the k8s version to be
> >= 1.21.1 to support more users.
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