add sshd handler

roles/ssh/handlers/main.yml

@@ -0,0 +1,4 @@
+---
+- name: restart sshd
+  service: name=sshd.socket state=restarted
+  when: ssh.enable_sshd == True

roles/ssh/meta/main.yml

@@ -0,0 +1,3 @@
+---
+dependencies:
+  - { role: systemd }

roles/ssh/tasks/main.yml

@@ -10,6 +10,9 @@
 
 - name: Push OpenSSH socket unit file
   template: src=sshd-socket-override.conf.j2 dest=/etc/systemd/system/sshd.socket.d/override.conf
+  notify:
+    - reload systemd config
+    - restart sshd
 
 - name: Enable and start OpenSSH
   service: name=sshd.socket enabled=yes state=started