Don't hardcode the dnf module, dynamically select one (#83183)

test/integration/targets/dnf/filter_plugins/dnf_module_list.py

@@ -0,0 +1,40 @@
+# Copyright: Contributors to the Ansible project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import annotations
+
+from collections import Counter
+
+
+def parse_module_list(stdout):
+    lines = stdout.splitlines()
+    name_offset = 0
+    empty_offset = -1
+    modules = []
+    for i, line in enumerate(lines):
+        if line.startswith('Name '):
+            name_offset = i + 1
+        if not line.strip():
+            empty_offset = i
+    for line in lines[name_offset:empty_offset]:
+        cols = line.split()[:3]
+        modules.append({
+            'name': cols[0],
+            'version': cols[1],
+            'profile': cols[2].rstrip(','),  # Just the first profile
+        })
+    return modules
+
+
+def get_first_single_version_module(stdout):
+    modules = parse_module_list(stdout)
+    name = Counter([m['name'] for m in modules]).most_common()[-1][0]
+    module, = [m for m in modules if m['name'] == name]
+    return module
+
+
+class FilterModule:
+    def filters(self):
+        return {
+            'get_first_single_version_module': get_first_single_version_module,
+        }

test/integration/targets/dnf/tasks/main.yml

@@ -62,13 +62,30 @@
     - ansible_distribution == 'Fedora'
     - ansible_distribution_major_version is version('23', '>=')
 
-- include_tasks: modularity.yml
-  when:
+- when:
     - (ansible_distribution == 'Fedora' and ansible_distribution_major_version is version('39', '<')) or
       (ansible_distribution in ['RedHat', 'CentOS'] and ansible_distribution_major_version is version('8', '>='))
     - not dnf5|default(false)
+  block:
+    # FUTURE - look at including AppStream support in our local repo
+    - name: list modules
+      command: dnf module list -q
+      register: module_list
+
+    # A module that only has a single version
+    - name: Find a module that meets our testing needs
+      set_fact:
+        astream_name: '@{{ module.name }}:{{ module.version }}/{{ module.profile }}'
+        astream_name_no_stream: '@{{ module.name }}/{{ module.profile }}'
+      vars:
+        module: '{{ module_list.stdout|get_first_single_version_module }}'
+
+    - include_tasks: modularity.yml
       tags:
         - dnf_modularity
+  rescue:
+    # Just in case something crazy happens when listing or parsing modules
+    - meta: noop
 
 - include_tasks: logging.yml
   when: (ansible_distribution == 'Fedora' and ansible_distribution_major_version is version('31', '>=')) or

test/integration/targets/dnf/tasks/modularity.yml

@@ -1,12 +1,3 @@
-# FUTURE - look at including AppStream support in our local repo
-- name: Include distribution specific variables
-  include_vars: "{{ item }}"
-  with_first_found:
-    - files:
-        - "{{ ansible_facts.distribution }}-{{ ansible_facts.distribution_major_version }}.yml"
-        - "{{ ansible_facts.distribution }}.yml"
-      paths: ../vars
-
 - name: install "{{ astream_name }}" module
   dnf:
     name: "{{ astream_name }}"

test/integration/targets/dnf/vars/CentOS.yml

@@ -1,2 +0,0 @@
-astream_name: '@php:7.2/minimal'
-astream_name_no_stream: '@php/minimal'

test/integration/targets/dnf/vars/Fedora.yml

@@ -1,6 +0,0 @@
-astream_name: '@varnish:6.0/default'
-
-# For this to work, it needs to be that only shows once in `dnf module list`.
-# Such packages, that exist on all the versions we test on, are hard to come by.
-# TODO: This would be solved by using our own repo with modularity/streams.
-astream_name_no_stream: '@varnish/default'

test/integration/targets/dnf/vars/RedHat-9.yml

@@ -1,2 +0,0 @@
-astream_name: '@php:8.1/minimal'
-astream_name_no_stream: '@php/minimal'

test/integration/targets/dnf/vars/RedHat.yml

@@ -1,2 +0,0 @@
-astream_name: '@php:7.2/minimal'
-astream_name_no_stream: '@php/minimal'