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Merge pull request #26065 from margocrawf/master 

Rewording of paragraph about provideClusterInfo key on Authentication page
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Kubernetes Prow Robot 2021-02-03 03:02:29 -08:00 committed by GitHub
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14
content/en/docs/reference/access-authn-authz/authentication.md
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@ -1004,14 +1004,12 @@ RFC3339 timestamp. Presence or absence of an expiry has the following impact:
}
}
```
The plugin can optionally be called with an environment variable, `KUBERNETES_EXEC_INFO`,
that contains information about the cluster for which this plugin is obtaining
credentials. This information can be used to perform cluster-specific credential
acquisition logic. In order to enable this behavior, the `provideClusterInfo` field must
be set on the exec user field in the
[kubeconfig](/docs/concepts/configuration/organize-cluster-access-kubeconfig/). Here is an
example of the aforementioned `KUBERNETES_EXEC_INFO` environment variable.
To enable the exec plugin to obtain cluster-specific information, set `provideClusterInfo` on the `user.exec`
field in the [kubeconfig](/docs/concepts/configuration/organize-cluster-access-kubeconfig/).
The plugin will then be supplied with an environment variable, `KUBERNETES_EXEC_INFO`.
Information from this environment variable can be used to perform cluster-specific
credential acquisition logic.
The following `ExecCredential` manifest describes a cluster information sample.
```json
{