Rocky Linux 9 安装 Ansible

1、Ansible安装

# 安装
dnf -y install ansible-core

# 查看版本
ansible --version

2、修改配置文件

# 备份并从新生成配置文件
mv /etc/ansible/ansible.cfg /etc/ansible/ansible.cfg.org
ansible-config init --disabled > /etc/ansible/ansible.cfg

# 取消主机密钥检查
# vi /etc/ansible/ansible.cfg
...
host_key_checking=False    #318行
...

3、配置管理目标主机

# 配置管理目标主机
# vim /etc/ansible/hosts 
10.32.161.134
10.32.161.135

[bigdata]
10.32.161.131
10.32.161.132
10.32.161.133

# 查看所有主机情况
ansible all --list-hosts

# 查看管理主机组情况
ansible bigdata --list-hosts

4、基础使用

# 已配置免密登录的主机
# ansible 10.32.161.134 -m ping
10.32.161.134 | SUCCESS => {
    "ansible_facts": {
        "discovered_interpreter_python": "/usr/bin/python3"
    },
    "changed": false,
    "ping": "pong"
}

# 未配置免密登录的主机或主机群组
# ansible bigdata -k -m command -a "uptime" -b --ask-become-pass
SSH password:     #输入密码
BECOME password[defaults to SSH password]:      #输入密码
10.32.161.132 | CHANGED | rc=0 >>
 13:25:32 up 12 days, 21:28,  1 user,  load average: 0.00, 0.00, 0.00
10.32.161.131 | CHANGED | rc=0 >>
 13:25:32 up 12 days, 21:28,  2 users,  load average: 0.04, 0.01, 0.00
10.32.161.133 | CHANGED | rc=0 >>
 13:25:32 up 12 days, 21:28,  1 user,  load average: 0.08, 0.02, 0.01