Only fetch artifacts from matching branch (#53)

* Filter bucket by prefix

* use artifacts_branch as prefix

* Add assertion to validate artifacts found

* Only check assertion if download_artifacts == true

* Remove space

roles/download_artifacts/tasks/main.yml

@@ -2,7 +2,7 @@
 
 - name: Fetch contents of dss-artifacts bucket
  ansible.builtin.uri:
- url: " {{ artifacts_url }}"
+ url: "{{ artifacts_url }}?prefix={{ artifacts_branch }}"
  method: GET
  return_content: true
  validate_certs: "{{ artifacts_validate_certs }}"
@@ -18,6 +18,17 @@
  run_once: true
  when: download_artifacts | bool
 
+- name: Check artifacts found
+ ansible.builtin.assert:
+ that: dss_artifacts_list | length > 0
+ fail_msg: |
+ No artifacts found. Check vars:
+ artifacts_url: {{ artifacts_url }}
+ artifacts_branch: {{ artifacts_branch }}
+ quiet: true
+ run_once: true
+ when: download_artifacts | bool
+
 - name: Download artifacts from dss-artifacts bucket
  ansible.builtin.get_url:
  url: "{{ artifacts_url }}/{{ item }}"