gistfile1.txt

 - name: Check if device /dev/xvd_ present
   shell: fdisk -l | grep 'Disk {{device}}' | wc -l
   changed_when: False
   register: device_present

 - name: Check if partition /dev/xvd_1 present
   shell: fdisk -l | grep {{device}}1 | wc -l
   changed_when: False
   register: partition_present
   when: device_present.stdout is defined and device_present.stdout|int == 0

   #  it's present but has no partition
- name: Create a partition table,
  shell: "echo -e 'n\np\n1\n\n\nw\n' | fdisk {{device}} && mkfs -t {{fs_type}} {{device}}1 && tune2fs -m 0 {{device}}1"
  when: device_present.stdout is defined and not device_present.stdout|int == 0

# if it's present & has partition & has fs
-  name: mount the device
   mount:
   		name: {{ mount_point }}
   		src: /dev/{{ device }}1
   		fstype: {{ fs_type }}
   		opts: noatime
   		state: present
   when: fs_present.stdout is defined and fs_present.stdout|int == 0