Ansible Dynamic Inventory

Ansible inventory from a json file served via github pages

Set environment variables

The url of your inventory file and the path to the inventory.sh script

export INVENTORY_URL=https://darren-rose.github.io/ansible-inventory/inventory.json

export ANSIBLE_HOSTS=/path-to/inventory.sh

List hosts in a group

ansible --list-hosts webservers

Ping hosts in a group

ansible -m ping databases

Execute playbook on a group

ansible-playbook -e "hosts=databases" hostname.yml

Execute playbook on multiple groups

ansible-playbook -e "hosts=databases,webservers" hostname.yml

Execute playbook on a single host

ansible-playbook -e "hosts=host6.example.com" hostname.yml