So, I'm looking for a way to add items to a list conditionally. The point
of the list is to be provided for a with_items clause. I know I can
evaluate python in jinja expressions, but it seems that those changes may
be localized to the expression where they are evaluated.
Here's a general idea of what I'm attempting to do. I have tested this
playbook, and the output at the end is "foo", "bar", "baz", with "harpo"
and "groucho" nowhere to be found, and yes, I've verified that
enable_harpo and enable_groucho evaluate to true.
===================
- hosts: configurator
user: root
gather_facts: False
vars:
svc_list: [ "foo", "bar", "baz" ]
tasks:
- name: checkharpo
debug: msg="Foo more {{ svc_list.append('harpo') }}"
when: enable_harpo
- name: checkgroucho
debug: msg="Foo more {{ svc_list.append('groucho') }}"
when: enable_groucho
- name: listme
debug: msg="Message for service $item"
with_items: svc_list
==================================
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