9.4.2从外部环境获取角色

1.Ansible  Galaxy是Ansible的一个官方社区，用于共享角色和功能代码，用户可以在网站自由地共享和下载Ansible角色。

2.编写一个YAML语言格式的文件，指明网址链接和角色名称，然后再用-r参数加载

[root@dsrw ~]# vim nginx.yml
---
- src: https://galaxy.ansible.com/download/nginxinc-nginx_core-0.7.1.tar.gz
  name: nginx-core
[root@dsrw ~]# ansible-galaxy install -r nginx.yml
- downloading role from https://galaxy.ansible.com/download/nginxinc-nginx_core-0.7.1.tar.gz
- extracting nginx-core to /root/.ansible/roles/nginx-core
- nginx-core was installed successfully

[root@dsrw ~]#ansible-galaxy list
# /root/.ansible/roles
- nginx_core, (unknown version)