Manage etherpad-lite robots.txt.

Add a robots.txt file for etherpad lite. Disallow / because we are using
the pretty URLs.

Change-Id: Ic589923d142fe8c950534c4419582502bde98a3a
Reviewed-on: https://review.openstack.org/14422
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Paul Belanger <paul.belanger@polybeacon.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

files/robots.txt

@@ -0,0 +1,2 @@
+User-agent: *
+Disallow: /

manifests/site.pp

@@ -42,6 +42,15 @@ class etherpad_lite::site (
     require => Class['etherpad_lite']
   }
 
+  file { "${etherpad_lite::base_install_dir}/etherpad-lite/src/static/robots.txt":
+    ensure  => present,
+    source  => 'puppet:///modules/etherpad_lite/robots.txt',
+    owner   => $etherpad_lite::ep_user,
+    group   => $etherpad_lite::ep_user,
+    mode    => '0644',
+    require => Class['etherpad_lite'],
+  }
+
   include logrotate
   logrotate::file { 'epliteerror':
     log     => "${etherpad_lite::base_log_dir}/${etherpad_lite::ep_user}/error.log",