一、Ansible工作机制

工作机制

二、Ansible执行流程

执行流程

三、安装Ansible

yum install epel-release
yum install ansible

四、配置

4.1、配置管理主机

vim /etc/ansible/hosts

在hosts文件中添加管理主机的IP地址列表：

4.2、配置控制主机SSH密钥

4.2.1、在控制主机中生成ssh密钥对

ssh-keygen -t rsa

4.2.2、将公钥拷贝到管理主机中.ssh/authorized_keys文件中，实现免密码登录远程管理主机

ssh-copy-id -i ~/.ssh/id_rsa.pub root@192.168.0.2

4.2.3、ansible配置

vim /etc/ansible/ansible.cfg

禁用每次执行ansbile命令检查ssh key host

host_key_checking = False

开启日志记录

log_path = /var/log/ansible.log

ansible连接加速配置

[accelerate]
#accelerate_port = 5099
accelerate_port = 10000 
#accelerate_timeout = 30
#accelerate_connect_timeout = 5.0

# If set to yes, accelerate_multi_key will allow multiple
# private keys to be uploaded to it, though each user must
# have access to the system via SSH to add a new key. The default
# is "no".
accelerate_multi_key = yes

五、测试

ansible all -m ping

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