Issue 3016 - Use Nginx PPA as package source

modules/nginx/manifests/init.pp

 class nginx (
     $worker_processes = $nginx::params::worker_processes,
     $worker_connections = $nginx::params::worker_connections,
     $ssl_session_cache =  $nginx::params::ssl_session_cache
   ) inherits nginx::params {
 
+  apt::ppa {'ppa:nginx/stable':
+  }
+
   apt::source {'nginx':
-    location => "http://nginx.org/packages/ubuntu",
-    repos => "nginx",
-    key => "7BD9BF62",
-    key_source => "http://nginx.org/keys/nginx_signing.key"
+    ensure => 'absent',
   }
 
   # Ensures that nginx is not installed from the Ubuntu sources
   package {'nginx-common':
     ensure => purged,
     before => Package['nginx']
   }
 
   package {'nginx':
-    ensure => '1.8.0-1~precise',
-    require => Apt::Source['nginx']
+    ensure => '1.8.0-1+precise1',
+    require => Apt::Ppa['ppa:nginx/stable'],
   }
 
   File {
     owner => root,
     group => root,
     mode => 0644,
   }
 
   Exec {
     path => '/usr/bin:/bin',
@@ skipping 66 matching lines @@
       }
 
       if !defined(File["/etc/nginx/sites-available/${private_key}"]) {
         file {"/etc/nginx/sites-available/${private_key}":
           ensure => absent
         }
       }
     }
 
     if $enabled == true {
+
+      if $is_default {
+        $default_conf = '/etc/nginx/sites-enabled/default'
+        ensure_resource('file', $default_conf, {ensure => 'absent'})
+        File[$default_conf] ~> Service['nginx']
+      }
+
       file {"/etc/nginx/sites-enabled/${domain}":
         ensure  => link,
         require => File["/etc/nginx/sites-available/${domain}"],
         target => "/etc/nginx/sites-available/${domain}",
         notify => Service['nginx']
       }
     }
 
     file {"/etc/logrotate.d/nginx_$domain":
       ensure => file,
@@ skipping 45 matching lines @@
   }
 
   service {'nginx':
     ensure => running,
     enable => true,
     restart => '/etc/init.d/nginx reload',
     hasstatus => true,
     require => File['/etc/nginx/nginx.conf']
   }
 }