[%
# vi: ft=tt2

# Return an array of shared IPv6 addresses from the interface of a given
# type for all nodes which act as a given role.
#
# @param argv.role      The role of the node to process, one of:
#                         proxy, lb, mgmt
# @param argv.type      The interface type of a node to extract the
#                       shared IPv6 from, one of:
#                         web_int, web_ext, sip_int, sip_ext, ...
# @param argv.format    Optional reformatting of IPv6 addresses.
# @param argv.status    node status [ online, offline, inactive ]
#                         default value: ['online', 'inactive']
# @return out           The array of shared IPv6 addresses.

IF !argv.status.size;
  argv.status = ['online', 'inactive'];
END;

status = {
  online = 0
  offline = 0
  inactive = 0
};
FOREACH val IN argv.status;
  status.$val = 1;
END;

blktmp.processed_hosts = {};
out = [];
FOREACH host IN hosts.keys.sort;
  NEXT UNLESS status.item(hosts.$host.status);
  NEXT UNLESS ngcp.has_role(host, argv.role);
  NEXT IF blktmp.processed_hosts.$host.defined;

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

    peer = hosts.$host.peer;
    blktmp.processed_hosts.$peer = 1;
    FOREACH ip IN hosts.$host.$iface.shared_v6ip;
      IF argv.format == 'expand';
        ip = ngcp.net_ip_expand(ip);
      END;
      NEXT UNLESS ip;
      out.push(ip);
    END;
  END;
END;
out = out.sort;

-%]