Generating Ansible Inventory YAML file from Terraform

ansible_inventory.tf

resource "local_file" "ansible_inventory" {
  content = yamlencode(
      {
        "all": {
          "vars": {
            "infrastructure": "${local.x_inf_tag}"
            "implementation": "${var.implementation_tag}"
            "implementation_id": "${random_id.implementation.hex}"
          }
          "children": {
            "xxxxxx_group_xxxxxx": {
              "children": {
                "xxxxxx_group_xxxxxx_clones": {
                  "hosts": zipmap(
                    slice(
                      aws_instance.server.*.tags[*].AnsibleInventoryName, 
                      1,
                      data.terraform_remote_state.grid.outputs.az_count
                      ),
                    slice(
                      [
                        for each_ip in aws_eip.server.*.public_ip:
                          { "ansible_host": each_ip }
                      ],
                      # formatlist("{ansible_host: %s}", aws_eip.server.*.public_ip), 
                      1, 
                      data.terraform_remote_state.grid.outputs.az_count
                      ),
                  )
                },
                "xxxxxx_group_xxxxxx_reference": {
                  "hosts": {
                    "${element(aws_instance.server.*.tags[*].AnsibleInventoryName, 0)}": { 
                      "ansible_host" = "${element(aws_eip.server.*.public_ip, 0)}"
                    }
                  },
                }
              }
            }
          }
        }
      }
    )
  filename = "${var.ansible_inventory_path}"
}