[RFC-0010] Remove EKS Pod Identity from the proposal #5309
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stefanprodan
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Signed-off-by: Matheus Pimenta <[email protected]>
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While testing the RFC implementation I got blocked by the fact that we try to create the
ServiceAccounttoken bound to a pod in order to support EKS Pod Identity, which has this requirement. The only pod we can be sure exists is the controller pod itself, so we use theos.Getenv("HOSTNAME")environment variable. However, the Kubernetes API does not accept issuing aServiceAccounttoken bound to a pod that does not use thatServiceAccount.Conclusion: It's impossible to support EKS Pod Identity for multi-tenant workload identity, it works only for the single-tenant version. We can only support IRSA for multi-tenant workload identity.