ceph-ansible/roles/ceph-validate/tasks/check_devices.yml

---
- name: validate devices is actually a device
  parted:
    device: "{{ item }}"
    unit: MiB
  register: devices_parted
  with_items: "{{ devices }}"

- name: fail if one of the devices is not a device
  fail:
    msg: "{{ item }} is not a block special file!"
  when:
    - item.failed
  with_items: "{{ devices_parted.results }}"

- name: validate dedicated_device is/are actually device(s)
  parted:
    device: "{{ item }}"
    unit: MiB
  register: dedicated_device_parted
  with_items: "{{ dedicated_devices }}"
  when:
    - osd_scenario == 'non-collocated'

- name: fail if one of the dedicated_device is not a device
  fail:
    msg: "{{ item }} is not a block special file!"
  with_items: "{{ dedicated_device_parted.results }}"
  when:
    - osd_scenario == 'non-collocated'
    - item.failed

- name: fail if dedicated_device is not the size length as devices
  fail:
    msg: "dedicated_device lengtth must be identical to devices's length"
  when:
    - osd_scenario == 'non-collocated'
    - dedicated_devices|length != devices|length