REsize Amazon EBS volumes without a reboot: Step 3 Execute a script

volumes.tf

// volumes.tf
// ...
resource "null_resource" "expand_disk" {
  connection {
    type        = "ssh"
    user        = "ubuntu"
    private_key = "${file("~/.ssh/id_rsa")}"
    host        = "${data.aws_instance.mysql.public_ip}"
  }
  
  provisioner "remote-exec" {
    inline = [
      "sudo lsblk",
      "sudo xfs_growfs ${local.mount_point}",
    ]
  }
}