如何使用Ansible获取主机IP和主机名

---
- name: 获取主机IP和主机名
  hosts: all
  tasks:
    - name: 显示主机名
      debug:
        msg: "主机名: {{ ansible_fqdn }}"

    - name: 显示IPv4地址
      debug:
        msg: "IPv4地址: {{ ansible_default_ipv4.address }}"

    - name: 显示所有IPv4地址
      debug:
        msg: "所有IPv4地址: {{ ansible_all_ipv4_addresses }}"

ansible-playbook -i your_inventory_file get_host_info.yml

---
- name: 使用 setup 模块获取主机信息
  hosts: all
  tasks:
    - name: 收集主机信息
      setup:

    - name: 显示主机名
      debug:
        msg: "主机名: {{ ansible_fqdn }}"

    - name: 显示IPv4地址
      debug:
        msg: "IPv4地址: {{ ansible_default_ipv4.address }}"

---
- name: 获取多个主机的IP和主机名
  hosts: all
  tasks:
    - name: 显示当前主机的信息
      debug:
        msg: "主机名: {{ ansible_fqdn }}, IP: {{ ansible_default_ipv4.address }}"

    - name: 显示其他主机的信息
      debug:
        msg: "主机 {{ item }} 的主机名: {{ hostvars[item].ansible_fqdn }}, IP: {{ hostvars[item].ansible_default_ipv4.address }}"
      loop: "{{ groups['all'] }}"
      loop_control:
        label: "{{ item }}"