我是 Ansible
的新手,所以我写了一个小的 ansible 实用程序来为我正在编写的系统安装一些包依赖项:
---
- hosts: all
user: root
tasks:
- name: install requirements
apt: name={{item}} state=latest update_cache=true
with_items:
- gcc
- python-dev
- python-setuptools
- python-software-properties
目前支持的环境有Ubuntu
、Red Hat
和Mac OS X
。该剧本的当前编写方式仅适用于 Ubuntu (Debian)
。我怎样才能让那部分代码根据操作系统执行?对于 Ubuntu
,它是 apt
,对于 Red Hat
,它是 yum
,对于 Mac OS X
酿造
。
最佳答案
通常的方法是通过检查 ansible_os_family
事实有条件地包含一个特定于操作系统系列的任务文件。
所以你的角色中可能有一个 main.yml
任务文件,看起来像这样:
# Arbitrary task here, not needed but the point is you can have any generic tasks directly in main.yml
- name: get the date
shell: `date`
register: date
- include: debian.yml
when: ansible_os_family == 'Debian'
- include: redhat.yml
when: ansible_os_family == 'RedHat'
然后在 debian.yml
中我们有:
- name: install requirements
apt: name={{item}} state=latest update_cache=true
with_items:
- gcc
- python-dev
- python-setuptools
- python-software-properties
在 redhat.yml
中我们有:
- name: install requirements
yum: name={{item}} state=latest update_cache=true
with_items:
- gcc
- python-dev
- python-setuptools
- python-software-properties
显然,这也允许您根据操作系统系列设置不同的依赖项列表。
如果你愿意,你也可以有条件地包括操作系统系列(或者任何你可以检查事实的东西)特定的变量,如下所示:
- name: Include OS-specific variables.
include_vars: "{{ item }}"
with_first_found:
- ../vars/{{ ansible_distribution | lower }}.yml
- ../vars/{{ ansible_os_family | lower }}.yml
然后像这样在 vars/debian.yml
中设置你的依赖列表:
python_dependencies:
- gcc
- python-dev
- python-setuptools
- python-software-properties
现在你的 tasks/debian.yml
看起来像:
- name: install requirements
apt: name={{item}} state=latest update_cache=true
with_items: python_dependencies
您可以通过查看源代码查看操作系统及其系列的列表 here它具有所有操作系统系列的命令:
# A list with OS Family members
OS_FAMILY = dict(
RedHat = 'RedHat', Fedora = 'RedHat', CentOS = 'RedHat', Scientific = 'RedHat',
SLC = 'RedHat', Ascendos = 'RedHat', CloudLinux = 'RedHat', PSBM = 'RedHat',
OracleLinux = 'RedHat', OVS = 'RedHat', OEL = 'RedHat', Amazon = 'RedHat',
XenServer = 'RedHat', Ubuntu = 'Debian', Debian = 'Debian', Raspbian = 'Debian', Slackware = 'Slackware', SLES = 'Suse',
SLED = 'Suse', openSUSE = 'Suse', SuSE = 'Suse', SLES_SAP = 'Suse', Gentoo = 'Gentoo', Funtoo = 'Gentoo',
Archlinux = 'Archlinux', Manjaro = 'Archlinux', Mandriva = 'Mandrake', Mandrake = 'Mandrake',
Solaris = 'Solaris', Nexenta = 'Solaris', OmniOS = 'Solaris', OpenIndiana = 'Solaris',
SmartOS = 'Solaris', AIX = 'AIX', Alpine = 'Alpine', MacOSX = 'Darwin',
FreeBSD = 'FreeBSD', HPUX = 'HP-UX'
)
关于python - 指定操作系统 - Ansible,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/33762738/