初識Ansible

Control Node

Managed Nodes

Inventory

A list of files, define the managed nodes

The default location: /etc/ansible/hosts

Format of files:

INI

YAML

Run

Use Ad-Hoc command

$ ansible [pattern] -m [module] -a "[module options]"

Eg:

$ ansible webservers -a "/sbin/reboot"

$ ansible dbservers -m ansible.builtin.copy -a "src=/etc/hosts dest=/tmp/hosts"

Use Playbooks

Create playbook file

Run Playbook

$ ansible-playbook -i inventory.yaml playbook.yaml

Output