Add mod_wsgi.actions and libdnf plugin, to restart httpd.

Signed-off-by: James Antill <james@and.org>

roles/mod_wsgi/files/mod_wsgi.actions

@@ -0,0 +1,19 @@
+# Requirements: yum install libdnf5-plugin-actions
+
+# At the end of the DNF transaction
+#    if python3-mod_wsgi has (re)installed/(up|down)graded then
+#        restart HTTPD
+#    if python3-libs has (re)installed/(up|down)graded then
+#        restart HTTPD
+#  (will run the cmd twice on if they both change on (up/down)grades)
+# Doesn't do anything if either are removed.
+post_transaction:python3-mod_wsgi:in:enabled=host-only:/bin/systemctl try-restart --no-block httpd.service
+post_transaction:python3-libs:in:enabled=host-only:/bin/systemctl try-restart --no-block httpd.service
+
+# Uncomment this line to do the same thing when it's removed
+#  (will run the cmd twice on (up/down)grades)
+# post_transaction:python3-mod_wsgi:out:enabled=host-only:/bin/systemctl try-restart --no-block httpd.service
+
+# This is for python2-mod_wsgi ... probably DNF5 doesn't exist, or this package
+# doesn't.
+# post_transaction:python2-mod_wsgi:in:enabled=host-only:/bin/systemctl try-restart --no-block httpd.service

roles/mod_wsgi/tasks/main.yml

@@ -30,3 +30,21 @@
   - Restart apache
   tags:
   - config
+
+# These next two should eventually be: install mod_wsgi-dnf5-actions
+- name: Install libdnf actions plugin
+  ansible.builtin.package:
+    name: libdnf5-plugin-actions
+    state: present
+  tags:
+  - packages
+  # This is currently Fedora-40+ ... no RHEL, no EPEL
+  when: ansible_distribution == 'Fedora'
+
+- name: Wsgi libdnf actions
+  ansible.builtin.copy: src="mod_wsgi.actions" dest=/etc/dnf/libdnf5-plugins/actions.d
+  tags:
+  - config
+  # This does nothing without the above plugin, although we could install it
+  # everywhere.
+  when: ansible_distribution == 'Fedora'