hostname: Reformatted to newer syntax allowing multiple handlers in notify

roles/hostname/tasks/main.yml

@@ -4,20 +4,23 @@
   copy:
     content: "{{ hostname }}\n"
     dest: /etc/hostname
-  notify: restart systemd-hostnamed
+  notify:
+    - restart systemd-hostnamed
 
 - name: Set hostname and fqdn as alias for ipv4
   lineinfile:
     path: /etc/hosts
     regexp: '^127\.0\.0\.1\s'
     line: "127.0.0.1 {{ fqdn }} {{ hostname }} localhost *.localhost"
-  notify: restart systemd-hostnamed
+  notify:
+    - restart systemd-hostnamed
 
 - name: Set hostname and fqdn as alias for ipv6
   lineinfile:
     path: /etc/hosts
     regexp: '^::1\s'
     line: "::1 {{ fqdn }} {{ hostname }} localhost *.localhost ip6-localhost ip6-loopback"
-  notify: restart systemd-hostnamed
+  notify:
+    - restart systemd-hostnamed
 
 - meta: flush_handlers