ansible优秀案例

- name: Remove swapfile from /etc/fstab
  mount:
    name: "{{ item }"
    fstype: swap
    state: absent
  with_items:
    - swap
    - none
- name: check swap
  command: /sbin/swapon -s
  register: swapon
  changed_when: no
- name: Disable swap
  command: /sbin/swapoff -a
  when:
    - swapon.stdout
  ignore_errors: yes

- name: shutdown  get the status of swap
  shell: grep swap /etc/fstab l grep -c "#
  register: swap
  ignore errors: yes
  tags: swap
- name: shutdown  swapoff -a
  shell: swapoff -a
  when: swap.stdout == "0"
  ignore errors: yes
  tags: swap
- name: shutdown | 注释/etc/fstab/swap 那一行
  replace: dest=/etc/fstab regexp='(.*) swap(\s+) swap' replace='f  swap\2swap'
  when: swap.stdout == "0"
  ignore errors: yes
  tags: swap