Make database password configurable

modules/discourse/manifests/init.pp

 class discourse inherits private::discourse {
   include postgresql::server
 
   postgresql::database {'discourse':}
 
   postgresql::role {'discourse':
-    password_hash => 'vagrant',
+    password_hash => $database_password,
     db => 'discourse',
     login => true,
     superuser => true
   }
 
   package {['postgresql-contrib', 'redis-server', 'ruby1.9.1']:
     ensure => present
   }
 
   Exec {path => '/bin:/usr/bin:/usr/sbin:/usr/local/bin'}
@@ skipping 22 matching lines @@
     ensure => directory,
     mode => 755,
     owner => discourse,
     group => www-data
   }
 
   file {'/opt/discourse/config/database.yml':
     mode => 600,
     owner => discourse,
     group => www-data,
-    source => 'puppet:///modules/discourse/database.yml',
+    content => template('discourse/database.yml.erb'),
+    notify => Service['discourse-thin'],
     require => Exec['fetch-discourse']
   }
 
   file {'/opt/discourse/config/redis.yml':
     mode => 600,
     owner => discourse,
     group => www-data,
     source => 'puppet:///modules/discourse/redis.yml',
+    notify => Service['discourse-thin'],
     require => Exec['fetch-discourse']
   }
 
   file {'/usr/local/bin/init-discourse':
     mode => 0755,
     owner => root,
     group => root,
     source => 'puppet:///modules/discourse/init-discourse'
   }
 
@@ skipping 205 matching lines @@
     source => 'puppet:///modules/discourse/intraforum.adblockplus.org',
     enabled => true
   }
 
   file {'/etc/logrotate.d/nginx_intraforum.adblockplus.org':
     ensure => file,
     require => Nginx::Hostconfig['intraforum.adblockplus.org'],
     source => 'puppet:///modules/discourse/logrotate'
   }
 }