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That "thing" that you're referring to is handled by Ansible, and not by YAML. It uses the Jinja2 templating engine. And I would assume Ansible uses some sort of

by zo1 9y ago

That "thing" that you're referring to is handled by Ansible, and not by YAML. It uses the Jinja2 templating engine. And I would assume Ansible uses some sort of scoping order/rules in order to provide values for the template generation. E.g. look here in the Ansible docs: http://docs.ansible.com/ansible/latest/playbooks_loops.html#standard-loops http://docs.ansible.com/ansible/latest/playbooks_loops.html#... It provides a construct that allows you to loop over a sub-list of YAML items, and then let's you use the looped-variable in a string-substitution via the templating language. That's the name: "{{ item }}" that you see there. Edit. Typo

philipov 9y ago
Thank you! this is what I've been looking for, but searches for token, substitution, and "defining subdirectories" have not led to this. Calling it a loop is confusing. It seems the values have to be defined in some other file, so I couldn't chain them, though. Suppose I want to write something like... paths: BASEDIR: /somedir SUBDIR1: {{ paths:BASEDIR }}/subdir1 SUBDIR2: {{ paths:SUBDIR1 }}/subdir2 Doesn't seem like that would work. I would end up putting all my definitions into a separate file.