I’m trying to work with an API in an idempotent and DRY fashion and cannot find a way to do this for the life of me. What I want to do is hit an endpoint with POST, detect if the response indicates the resource already exists and, if so, hit it with a PUT on retry in order to make sure it’s set properly.
What I have is this <> just for removing needless info:
- name: Configure my thing
uri:
url: https://{{ ansible_hostname }}:<api_endpoint>
method: >-
{% if results is defined and results.attempts is defined and results.attempts >= 1 -%}
PUT
{%- else -%}
POST
{% endif %}
headers:
body:
loop:
register: results
retries: 1
until: item is changed
changed_when: item.status == 201
failed_when: - item.status != 200
- item.status != 201
- item.status != 409
The condition is never triggered when I run the task and both retries end up with POST. I tried the simpler method jinja2 of "{% if results is not defined %}POST{% else %}PUT{% endif %} but this never triggers as well, and it seems like even on attempt 2 I cannot access results to actually trigger any useful modifications to task parameters.
I’d really appreciate any help if anyone knows what can sort me out here. I realize I can break this up into two or more tasks and have versions that do that but I am looking for the best solution here and to me that means DRY and I’m trying to avoid having multiple tasks or blocks for each action.