ansible-inventory - Show Ansible inventory information, by default it uses the inventory script JSON format

Options you will use

--list

Output all hosts info, works as inventory script (JSON; -y for YAML).

--host HOST

Output the variables of one host.

--graph [GROUP]

Create an inventory graph (groups, children, hosts).

--vars

Add vars to the graph display.

-y, --yaml

Use YAML format instead of the default JSON.

--export

When doing --list, represent in a way that is optimized for export.

--output FILE

When doing --list, send the inventory to a file.

-i, --inventory INVENTORY

Specify inventory host path or comma separated host list.

--vault-password-file FILE

Vault password file (for vaulted group_vars).

Examples

$ ansible-inventory --graph

the group tree

$ ansible-inventory --host web-1

the variables web-1 ends up with from the inventory

$ ansible-inventory --list -y

everything, as YAML

Gotchas

• Shows inventory variables only: play vars, facts and extra vars are not part of the inventory.

Taught in

• 33.2 Inventory and ad-hoc commands