Idempotent ansible role for luks

Configuration example

luks_passphrase: CHANGE_ME

luks_devices:
  - name: "nvme0n1p1-decrypted"
    device: "/dev/nvme0n1p1"
    passphrase: "{{ luks_passphrase }}"
    persistent: true
    perf_no_read_workqueue: true
    perf_no_write_workqueue: true
    perf_same_cpu_crypt: true
    allow_discards: true
  - name: "nvme1n1p1-decrypted"
    device: "/dev/nvme1n1p1"
    passphrase: "{{ luks_passphrase }}"
    persistent: true
    perf_no_read_workqueue: true
    perf_no_write_workqueue: true
    perf_same_cpu_crypt: true
    allow_discards: true