Ansible安装

环境

系统：CentOS 6.8

Ansible安装

# yum install epel-release
# yum install ansible

Ansible配置

• 配置主文件

  # vim /etc/ansible/ansible.cfg
  inventory = /etc/ansible/inventory
  roles_path = /data/ansible/roles
  remote_user = root
  

• 创建文件夹

  # mkdir -p /etc/ansible/inventory
  # mkdir -p /data/ansible/playbooks
  # mkdir -p /data/ansible/roles
  # rm -rf /etc/ansible/host
  # rm -rf /etc/ansible/roles
  

• 配置inventory

  # vim /etc/ansible/inventory/centos
  [group]
  host1
  host2
  

• 免秘钥登陆

  # ssh-copy-id root@host1
  # ssh-copy-id root@host2
  

Ansible Ad-Hoc

• 对group组，使用shell模块，执行hostname命令

  # ansible group -m shell -a 'hostname'
  

Ansible Playbook

• 配置Playbook

# vim /data/ansible/playbooks/centos-os-init.yml
---
- hosts: group
  tasks:
    - name: upgrade all packages
      yum:
        name: '*'
        state: latest
    - name: reboot
      shell: init 6

• 执行Playbook

# ansible-playbook /data/ansible/playbooks/centos-os-init.yml