ansible.group_by(3) - Linux man page

Name

group_by - Create Ansible groups based on facts

Use facts to create ad-hoc groups that can be used later in a playbook.

Spaces in group names are converted to dashes '-'.

Create groups based on the machine architecture

group_by key=${ansible_machine}

Create groups like 'kvm-host'

group_by key=${ansible_virtualization_type}-${ansible_virtualization_role}

Jeroen Hoekx