terraform {
  required_providers {
    ignition = {
      source  = "community-terraform-providers/ignition"
      version = "2.1.2"
    }
  }
}

data "ignition_systemd_unit" "haproxy" {
  name    = "haproxy.service"
  content = file("${path.module}/haproxy.service")
}

data "ignition_file" "haproxy" {
  path       = "/etc/haproxy/haproxy.conf"
  mode       = "420" // 0644
  content {
    content = templatefile("${path.module}/haproxy.tmpl", {
      lb_ip_address = var.lb_ip_address,
      api           = var.api_backend_addresses,
      ingress       = var.ingress_backend_addresses
    })
  }
}

data "ignition_user" "core" {
  name                = "core"
  ssh_authorized_keys = [file("${var.ssh_public_key_path}")]
}

data "ignition_config" "lb" {
  users   = [data.ignition_user.core.rendered]
  files   = [data.ignition_file.haproxy.rendered]
  systemd = [data.ignition_systemd_unit.haproxy.rendered]
}