Add saconfig plugin

[larsks]

The saconfig plugin generates a kubeconfig file for authenticating
as a service account.

Signed-off-by: Lars Kellogg-Stedman [email protected]

[ahmetb]

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/kind new-plugin

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[ahmetb]

I think there's already a plugin that does this: view-serviceaccount-kubeconfig.

[larsks]

The existing plugin does not make use of the tokenRequest API, which means it doesn't work unless there's already a pre-existing secret with a token.

Unrelated to that, rejecting plugins because "there's already a similar one here" seems like a great way to discourage contributions (and seems inconsistent, given e.g. the profusion of context and/or namespace management plugins in the index).

[ahmetb]

We typically don’t accept there are identical plugins, however typically plugins different in their approaches to the same problem are fine. Some plugins also historically have been added long before the others before we instituted better curation policies.

/lgtm
/approve
Thanks!
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[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ahmetb, larsks

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