Fixed #264, task 7: Copy K3s service file;

Signed-off-by: Jon S. Stumpf <jon.stumpf@gmail.com>

roles/k3s_agent/tasks/main.yml

@@ -21,16 +21,17 @@
   changed_when: true
 
 - name: Copy K3s service file
+  register: k3s_agent_service
   ansible.builtin.template:
     src: "k3s-agent.service.j2"
     dest: "{{ systemd_dir }}/k3s-agent.service"
     owner: root
     group: root
-    mode: 0755
+    mode: "u=rw,g=r,o=r"
 
 - name: Enable and check K3s service
   ansible.builtin.systemd:
     name: k3s-agent
-    daemon_reload: true
-    state: started
+    daemon_reload: "{{ true if k3s_agent_service.changed else false }}"
+    state: "{{ 'restarted' if k3s_agent_service.changed else 'started' }}"
     enabled: true