################################################################################
# Create list of instances and ip addresses
################################################################################
data "template_file" "ip_addr" {
    template = "${file("${path.module}/templates/ip_addr.tpl")}"

    vars {
        public_ip_address_bastions = "${join("\n",formatlist("bastion public_ip=%s" , aws_instance.bastions.*.public_ip))}"
        private_masters = "${join("\n",formatlist("%s private_ip=%s",aws_instance.masters.*.tags.Name, aws_instance.masters.*.private_ip))}"
        private_workers = "${join("\n", formatlist("%s private_ip=%s", aws_instance.workers.*.tags.Name, aws_instance.workers.*.private_ip))}"
        private_infra = "${join("\n",formatlist("%s private_ip=%s", aws_instance.infra.*.tags.Name, aws_instance.infra.*.private_ip))}"
        elb_master_api_fqdn = "public_master_api_loadbalancer_domain_name=\"${module.elb.public_master_elb_fqdn}\""
        elb_master_internal_fqdn = "internal_master_loadbalancer_domain_name=\"${module.elb.private_master_elb_fqdn}\""
        elb_infra_public_fqdn = "public_infra_loadbalancer_domain_name=\"${module.elb.public_infra_elb_fqdn}\""
    }
}

resource "null_resource" "ip_addrs" {
  provisioner "local-exec" {
      command = "echo '${data.template_file.ip_addr.rendered}' > tf_generated/ip_addr"
  }

  triggers {
      template = "${data.template_file.ip_addr.rendered}"
  }
}




###############################################
TEMPLATE
###############################################

################################################################################
# Ip adresses of ec2 instances
################################################################################
# Masters private ip
${private_masters}

# Workers private ip
${private_workers}

# Infra private ip
${private_infra}

# Bastions public ip
${public_ip_address_bastions}


# Elastic loasbalancer domain names
${elb_master_api_fqdn}
${elb_master_internal_fqdn}
${elb_infra_public_fqdn}