ansible example

Ansible Role

修改文件一行

- name: modify hard limit of max open files number
  lineinfile:
    path: /etc/security/limits.conf
    regexp: '^root hard nofile'
    insertafter: EOF
    line: 'root hard nofile 654321'

文件是否存在

- name: verify if the binary is exist
  stat:
    path: "{{ deploy_dir }}/bin"
  register: stat_binary

变量名不能有 “-”

rpm 解压

- name: unzip rpm file
  shell: "{{ item }}"
  with_items:
    - "cd {{ deploy_dir }} && rpm2cpio {{ nebula_packages.name }} |cpio -div"
    - "mv {{ deploy_dir }}/usr/local/nebula/bin {{ deploy_dir }}/"
    - "mv {{ deploy_dir }}/usr/local/nebula/etc {{ deploy_dir }}/"
    - "mv {{ deploy_dir }}/usr/local/nebula/share {{ deploy_dir }}/"
    - "mv {{ deploy_dir }}/usr/local/nebula/scripts {{ deploy_dir }}/"

  when:
    -  not stat_binary.stat.exists 
    -  pkg == 'rpm'

end play

- name: Information
  debug:
    msg: "Must input 'yes', abort the playbook "
  when:
    - confirmed != 'yes'

- meta: end_play
  when:
    - confirmed != 'yes'