resource "kubernetes_config_map" "this" {
  metadata {
    namespace = var.namespace
    name      = "kube-flannel-cfg"
    labels = {
      app       = "flannel"
      "k8s-app" = "cni"
    }
  }
  data = {
    "cni-conf.json" = jsonencode({
      name       = "cbr0",
      cniVersion = "0.3.1",
      plugins = [
        {
          type = "flannel",
          delegate = {
            hairpinMode      = true,
            isDefaultGateway = true,
          }
        },
        {
          type = "portmap",
          capabilities = {
            portMappings = true,
          }
        },
      ]
    })
    "net-conf.json" = jsonencode({
      Network = var.cluster_cidr,
      Backend = {
        Type = "vxlan",
        VNI  = var.vxlan_id,
        Port = var.vxlan_port,
      }
    })
  }
}