--- - name: devices validation when: devices is defined block: - name: read information about the devices parted: device: "{{ item }}" unit: MiB register: parted_results with_items: "{{ devices }}" - name: fail when gpt header found on osd devices fail: msg: "{{ item.disk.dev }} has gpt header, please remove it." with_items: "{{ parted_results.results }}" when: - item.disk.table == 'gpt' - item.partitions | length == 0 - name: get devices information parted: device: "{{ item }}" unit: MiB register: devices_parted failed_when: False with_items: "{{ devices }}" - name: fail if one of the devices is not a device fail: msg: "{{ item.item }} is not a block special file!" when: item.rc is defined with_items: "{{ devices_parted.results }}"