[%
# vi: ft=tt2

# Returns the interface name with a certain type for a given host.
#
# @param argv.host      The hostname to get the interface from.
# @param argv.type      The interface type, one of:
#                         web_int, web_ext, sip_int, sip_ext, ...
# @return out           The interface name.

IF !hosts.${argv.host}.defined;
  argv.host = 'self';
END;

out = '';
FOREACH iface IN hosts.${argv.host}.interfaces;
  NEXT UNLESS hosts.${argv.host}.exists(iface);
  NEXT UNLESS hosts.${argv.host}.$iface.type.grep('^' _ argv.type _ '$').size();

  out = iface;
  RETURN;
END;

-%]