Grant access to robots.txt

Apache doesn't like serving files it hasn't been allowed to.

Change-Id: I1113c44f9621229074804d60eba7549ae1236583

playbooks/roles/etherpad/tasks/main.yaml

@@ -28,10 +28,15 @@
     src: my.cnf
     dest: /etc/etherpad/mysql/my.cnf
 
+- name: Make directory for robots.txt
+  file:
+    path: /var/etherpad/www
+    state: directory
+
 - name: Install robots.txt
   copy:
     src: robots.txt
-    dest: /var/etherpad/robots.txt
+    dest: /var/etherpad/www/robots.txt
 
 - name: Install apache2
   apt:

playbooks/roles/etherpad/templates/etherpad.vhost.j2

@@ -95,5 +95,9 @@
       ProxyPassReverse / http://localhost:9001/
   </IfModule>
 
+  <Directory /var/etherpad/www/>
+    Require all granted
+  </Directory>
+
 </VirtualHost>
 </IfModule>