---
- hosts: all
  gather_facts: true
  remote_user: root
  tasks:
  - name: "修改ssh配置文件的安全选项"
    lineinfile:
      path: /etc/ssh/sshd_config
      regexp: '{{ item.regexp }}'
      line: '{{ item.line }}'
      state: present
    with_items:
      - regexp: "^PasswordAuthentication"
        line: "PasswordAuthentication no"
      - regexp: "^#PermitRootLogin yes"
        line: "PermitRootLogin no"
      - regexp: "^#Port 22"
        line: "Port 2249"
      - regexp: "^GSSAPIAuthentication yes"
        line: "GSSAPIAuthentication no"
    notify:
      - restart sshd
  handlers:
    - name: restart sshd
      service:
        name: sshd
        state: restarted