Ansible 安装与 SSH 认证配置

Ansible 安装

yum install ansible cowsay -y
ansible --version 

SSH 密钥认证配置

Ad-Hoc

# 创建密钥
ssh-keygen -f /root/.ssh/id_rsa -P ""

# 禁用 SSH 密钥检查
sed -i 's/^#host_key_checking = False/host_key_checking = False/g' /etc/ansible/ansible.cfg

# 分发密钥
ansible all -m authorized_key -a "user=root state=present key='{{ lookup('file', '/root/.ssh/id_rsa.pub') }}'"

Playbook

- hosts: all
  gather_facts: false
  tasks:
  - name: copy ssh key
    authorized_key:
      user: root
      state: present
      key: "{{ lookup('file', '/root/.ssh/id_rsa.pub') }}"
    tags:
      - sshkey