Add registration for systemd-resolved tasks and conditional restart

roles/common/tasks/systemd-resolved.yml

@@ -36,6 +36,7 @@
   ansible.builtin.package:
     pkg: systemd-resolved
     state: present
+  register: common_systemd_resolved_package
   when:
     - systemd_resolved is defined and systemd_resolved | bool
   tags:
@@ -45,6 +46,7 @@
   ansible.builtin.systemd:
     name: systemd-resolved
     enabled: true
+  register: common_systemd_resolved_service
   when:
     - systemd_resolved is defined and systemd_resolved | bool
   tags:
@@ -61,6 +63,7 @@
     mode: "0755"
     group: root
     owner: root
+  register: common_systemd_resolved_directory
 
 - name: (systemd-resolved.yml) Create/update file '/etc/systemd/resolved.conf.d/50-resolved-local.conf'
   ansible.builtin.template:
@@ -69,8 +72,16 @@
     owner: root
     group: root
     mode: "0644"
+  register: common_systemd_resolved_template
 
 - name: (systemd-resolved.yml) Restart systemd-resolved service
   ansible.builtin.service:
     name: systemd-resolved
     state: restarted
+  when:
+    - systemd_resolved is defined and systemd_resolved | bool
+    - >-
+      (common_systemd_resolved_package.changed | default(false))
+      or (common_systemd_resolved_service.changed | default(false))
+      or (common_systemd_resolved_directory.changed | default(false))
+      or (common_systemd_resolved_template.changed | default(false))