Add systemd role for restarting multiple services in same transaction

roles/systemd/defaults/main.yaml

@@ -0,0 +1,2 @@
+---
+systemd_restart_units: []

roles/systemd/handlers/main.yaml

@@ -0,0 +1,14 @@
+---
+- name: Reload systemd daemon
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+
+- name: Apply systemd unit restarts # noqa: command-instead-of-module
+  ansible.builtin.command:
+    cmd: systemctl restart {{ systemd_restart_units | join(' ') }}
+  changed_when: true
+
+- name: Reset systemd restart units
+  listen: Apply systemd units restart
+  ansible.builtin.set_fact:
+    systemd_restart_units: []