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Rút gọn playbook

Tạo biến trong file inventory
192.168.100.51 package_php="libapache2-mod-php" package_apache="apache2"
192.168.100.52 package_php="libapache2-mod-php" package_apache="apache2"
192.168.100.53 package_php="libapache2-mod-php" package_apache="apache2"
10.20.0.63 package_php="php" package_apache="httpd"
Chỉnh lại các file playbook

install_apache.yaml

---

- hosts: all
  become: true
  tasks:

  - name: install apache and php
    package:
      update_cache: true
      name:
        - "{{ package_php }}"
        - "{{ package_apache }}"
      state: latest

Giải thích:

"{{ package_php }}" Sử dụng variable đặt trong file inventory. Được đặt trong {{ }} theo kiểu gọi variable của jinja2. Ansible dùng jinja2. Đặt trong "" vì là string
package

Là generic package của ansible. Tùy theo OS (yum, dnf, apt,...)

https://docs.ansible.com/ansible/latest/collections/ansible/builtin/package_module.html

remove_apache.yaml

---

- hosts: all
  become: true
  tasks:

  - name: remove apache and php
    package:
      name:
        - "{{ package_php }}"
        - "{{ package_apache }}"
      state: absent

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