infra/terraform/gke/main.tf

# TODO: 
# 3: Lookup gke.random_shuffle.available_zones, see whether zones can be setup from there.

locals {
  fleet_clusters_info = flatten([
    for item in data.terraform_remote_state.vpc.outputs.fleet_clusters_info : [
      for index in range(lookup(item, "num_clusters", 1)) : {
        env           = item.env
        region        = item.region
        subnet_name   = item.subnet.name
        cluster_zone  = "${item.region}-${local.zone_suffix[index]}"
        cluster_name  = "${item.env}-${item.region}-${index}"
        pod_cidr_name = "${item.region}-pod-cidr-${index}"
        svc_cidr_name = "${item.region}-svc-cidr-${index}"
        network       = data.terraform_remote_state.vpc.outputs.network.network_name
      }
    ]
  ])

  config_cluster_info = {
    env           = data.terraform_remote_state.vpc.outputs.config_cluster_info.env
    region        = data.terraform_remote_state.vpc.outputs.config_cluster_info.region
    subnet_name   = data.terraform_remote_state.vpc.outputs.config_cluster_info.subnet.name
    cluster_name  = "config-${data.terraform_remote_state.vpc.outputs.config_cluster_info.region}"
    pod_cidr_name = "${data.terraform_remote_state.vpc.outputs.config_cluster_info.subnet.name}-pods"
    svc_cidr_name = "${data.terraform_remote_state.vpc.outputs.config_cluster_info.subnet.name}-svcs"
    network       = data.terraform_remote_state.vpc.outputs.network.network_name

  }

  zone_suffix = ["a", "b", "c"]
}