Ansible terminology — ansible_hostname vs inventory_hostname vs ansible_fqdn

What is the difference between ansible_hostname vs inventory_hostname vs ansible_fqdn in a practical example with Ansible Playbook?

What is the difference between ansible_hostname vs inventory_hostname?

These two ansible internal variables sometimes confuse one for another but they’re fundamentally different.

I’m Luca Berton and welcome to today’s episode of Ansible Pilot.

ansible_hostname vs inventory_hostname

ansible_hostname and ansible_fqdn

Read from the target machine hostname from the facts:

• `ansible_hostname` read the hostname from the facts collected during the `gather_facts`
• same as the `uname -n` or `hostname` command-line
• Need `gather_facts` enabled, otherwise the `ansible_facts` variable would be unavailable to use in your playbook
• Same as hostname of the target host