Add kubernetes_stateful_set.spec.update_strategy.rolling_update.max_unavailable

[gabegorelick]

Description

maxUnavailable is a field on StatefulSet's spec.updateStrategy.rollingUpdate config. As of Kubernetes v1.35, It is in Beta stage and supported by default, but it is not yet supported in Terraform.

See https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#maximum-unavailable-pods

Potential Terraform Configuration

resource "kubernetes_stateful_set" "test" {
  // ...
  spec {
    update_strategy {
      type = "RollingUpdate"
      rolling_update {
        max_unavailable = "50%"
      }
    }
  }
}

References

This was originally reported as #1933, but that was closed due to the feature being alpha in Kubernetes. But it is now Beta and supported by default.

Community Note

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[Shlomit-B]

Hey, I would like to work on this one if that's ok