[%
  # Returns the (alphabetically) first hostname of a node pair for
  # a given host.
  #
  # @param argv.host	The hostname to get the first name for.
  # @return out		The alphabetically first name.
-%]
[% IF !hosts.${argv.host}.defined -%]
[% argv.host = 'self' -%]
[% END -%]
[% blktmp.hosts = [argv.host] -%]
[% IF hosts.${argv.host}.peer.defined -%]
[% blktmp.hosts.push(hosts.${argv.host}.peer) -%]
[% END -%]
[% out = blktmp.hosts.sort.0 -%]