reduce the sa/ca.crt to avoid trusting every CSR to impersonate the kube-apiserver #150
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: deads2k, enj The full list of commands accepted by this bot can be found here. The pull request process is described here
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If the sa-token/ca.crt includes the trust bundles for the CSR endpoint, then the CSR endpoint becomes a high risk target for impersonating a kube-apiserver. Since we are no longer rooting trust for the router wildcard, this is no longer necessary and in future release the upstream controller can distribute trust.
/assign @enj