swap.yaml

- name: Create swap file
  become: true
  become_user: root
  command: dd if=/dev/zero of=/mnt/swapfile bs=1024 count={{ swap_mb }}k
           creates="/mnt/swapfile"

- name: Change swap file permissions
  become: true
  become_user: root
  file: path="/mnt/swapfile"
        owner=root
        group=root
        mode=0600

- name: Check swap file type
  become: true
  become_user: root
  command: file /mnt/swapfile
  register: swapfile

- name: Make swap file
  become: true
  become_user: root
  command: "sudo mkswap /mnt/swapfile"
  when: swapfile.stdout.find('swap file') == -1

- name: Write swap entry in fstab
  become: true
  become_user: root
  mount: name=none
         src=/mnt/swapfile
         fstype=swap
         opts=sw
         passno=0
         dump=0
         state=present

- name: swap check
  become: true
  become_user: root
  ignore_errors: yes
  shell: swapon -show | grep /mnt/swapfile
  register: swap_check

- name: Mount swap
  become: true
  become_user: root
  command: "swapon /mnt/swapfile"
  when: swap_check.rc != 0