[%
  # Returns the dbnode of a given host
  #
  # @param argv.host	The hostname to get the dbnode for.
  # @return out		The dbnode.
-%]
[% IF !hosts.${argv.host}.defined -%]
[% argv.host = 'self' -%]
[% END -%]
[% out = hosts.${argv.host}.dbnode -%]