# setup & apt - module 5

:::info
跨 Linux distribution 安裝 git 程式
- Centos 透過 yum 安裝
- Ubuntu 透過 apt 安裝
:::

### apt module
- name
- A package name
- state
<font color=red>**安裝現在的版本, 若非最 近的版本最新版則更新版本**</font>
- latest
<font color=red>**刪除**</font>
- absent 刪除
<font color=red>**安裝現在的版本**</font>
- present
<font color=red>**ensures the package build dependencies are installed**</font>
- build-dep

  - name: test apt yum
    hosts: all # inventory中的名稱
    gather_facts: true
    become: yes

    tasks:
    - name: Test yum module
    # 用於Centos
      yum:
        name: git
        state: present
      when: ansible_facts['distribution'] == "CentOS"

    - name: Test apt module
    # 用於Ubuntu
      apt:
        name: git
        state: present
      when: ansible_facts["distribution"] == "Ubuntu"

    - name: unintall git
      apt:
        name: git
        state: absent
      when: ansible_facts["distribution"] == "Ubuntu"
      
      # 添加apt 倉庫
    - name: install repositories
      become: true
      apt_repository:
         repo: ppa:deadsnakes/ppa
         update_cache: true
      when: ansible_facts["distribution"] == "Ubuntu"
      
    - name: install Python system packages
      become: true
        apt:
          name:
           - python3.6
           - python3.6-dev
           - python-setuptools
           - python3-pip
           # 須另外安裝虛擬環境
           - python3.4-venv
         state: present
         force_apt_get: yes
      when: ansible_facts["distribution"] == "Ubuntu"   
      

### 存到文件

###### tags: `Ansible module`