text: // Automatically upgrade packages from these (origin:archive) pairs
  <%- if @legacy_origin -%>
  Unattended-Upgrade::Allowed-Origins {
  <%- else -%>
  Unattended-Upgrade::Origins-Pattern {
  <%- end -%>
  <% @origins.each do |origin| -%>
  	"<%= origin %>";
  <% end -%>
  };
  
  // List of packages to not update
  Unattended-Upgrade::Package-Blacklist {
  <% @blacklist.each do |package| -%>
  	"<%= package %>";
  <% end -%>
  };
  
  // This option allows you to control if on a unclean dpkg exit
  // unattended-upgrades will automatically run 
  //   dpkg --force-confold --configure -a
  // The default is true, to ensure updates keep getting installed
  Unattended-Upgrade::AutoFixInterruptedDpkg "<%= @auto_fix %>";
  
  // Split the upgrade into the smallest possible chunks so that
  // they can be interrupted with SIGUSR1. This makes the upgrade
  // a bit slower but it has the benefit that shutdown while a upgrade
  // is running is possible (with a small delay)
  Unattended-Upgrade::MinimalSteps "<%= @minimal_steps %>";
  
  // Install all unattended-upgrades when the machine is shuting down
  // instead of doing it in the background while the machine is running
  // This will (obviously) make shutdown slower
  Unattended-Upgrade::InstallOnShutdown "<%= @install_on_shutdown %>";
  
  // Send email to this address for problems or packages upgrades
  // If empty or unset then no email is sent, make sure that you
  // have a working mail setup on your system. A package that provides
  // 'mailx' must be installed.
  <% if @mail_to != "NONE" %>Unattended-Upgrade::Mail "<%= @mail_to %>";<% end %>
  
  // Set this value to "true" to get emails only on errors. Default
  // is to always send a mail if Unattended-Upgrade::Mail is set
  <% if @mail_to != "NONE" %>Unattended-Upgrade::MailOnlyOnError "<%= @mail_only_on_error %>";<% end %>
  
  // Do automatic removal of new unused dependencies after the upgrade
  // (equivalent to apt-get autoremove)
  Unattended-Upgrade::Remove-Unused-Dependencies "<%= @remove_unused %>";
  
  // Automatically reboot *WITHOUT CONFIRMATION* if a 
  // the file /var/run/reboot-required is found after the upgrade 
  Unattended-Upgrade::Automatic-Reboot "<%= @auto_reboot %>";
  
  
  // Use apt bandwidth limit feature, this example limits the download
  // speed to 70kb/sec
  <% if @dl_limit != "NONE" %>Acquire::http::Dl-Limit "<%= @dl_limit %>";<% end %>
  