`wait_for_load_balancer` on `kubernetes_service` data sources

[pinarruiz]

Description

Add an option on the data source to have a similar functionality to wait_for_load_balancer from kubernetes_service resource.

Potential Terraform Configuration

Right now, when deploying traefik (with helm), I use this to get the same functionality, but seems kinda janky to do (or maybe not and I am wrong)

resource "time_sleep" "wait_60_seconds" {
  count = local.enable_traefik ? 1 : 0

  create_duration = "60s"

  triggers = {
    # always_run = timestamp()
    traefik = jsonencode(helm_release.traefik[0])
  }

  depends_on = [helm_release.traefik]
}

data "kubernetes_service" "traefik" {
  count = local.enable_traefik ? 1 : 0

  metadata {
    name        = "traefik"
    namespace   = "traefik"
    annotations = { tf-helm-name = "traefik-helm" }
  }

  depends_on = [time_sleep.wait_60_seconds[0]]
}

As it can be seen, i have a time_sleep that waits 60 seconds, everytime the traefik helm deployment is changed, having the wait_for_load_balancer would make it so much easier and cleaner.

This particular use case is to register some domains that will point to traefik.

References

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