【Ansible】自动化运维工具Ansible的安装及使用

常用自动化运维工具：

①CFengine
②Chef
③Puppet
③SaltStack
③Ansible-基于python开发，分布式，无需客户端，轻量级。配置语言采用YAML.

Ansible基本架构

Ansible工作原理

Ansible的安装及使用

①CentOS Linux release 7.3.1611 (Core) 安装：

yum install -y ansible

[ ansible]# ls /etc/ansible/
ansible.cfg  hosts  roles

②Ansible与Inventory

[ ansible]# vi /etc/ansible/hosts 
[test]
114.116.213.202

③ Ansible简单操作

[ ansible]# ansible -i /etc/ansible/hosts test -u root -m command -a 'ls /home' -k
SSH password: 
/usr/lib/python2.7/site-packages/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.22) or chardet (2.2.1) doesn't match a supported version!
  RequestsDependencyWarning)
114.116.213.202 | CHANGED | rc=0 >>
jenkins
jenkins_home
等价于====>
[ ansible]# ansible test -a 'ls /home' -k
SSH password: 
/usr/lib/python2.7/site-packages/requests/__init__.py:80: RequestsDependencyWarning: urllib3 (1.22) or chardet (2.2.1) doesn't match a supported version!
  RequestsDependencyWarning)
114.116.213.202 | CHANGED | rc=0 >>
jenkins
jenkins_home