tools/update_server.erl

   1 #!/usr/bin/env escript
   2
   3 % Execute remotly after the files has been copied.
   4 % Reload all modules et update the database.
   5 % TODO: build the node name from the host name.
   6
   7 hote() ->
   8    '@overnux'.
   9
  10 % le premier argument est le nom du noeud est peut valoir :
  11 % - yaws : noeud de production
  12 % - yaws_dev : noeud de pre-production
  13 main([Node_name]) when Node_name =:= "yaws"; Node_name =:= "yaws_dev" ->
  14    Node = list_to_atom(Node_name ++ atom_to_list(hote())),
  15    net_kernel:start([flynux, shortnames]),
  16    io:format("rechargement des modules..~n"),
  17    rpc:call(Node, euphorik_daemon, reload_euphorik, []),
  18    if Node_name =:= "yaws_dev" -> copy_database(Node);
  19       true -> true
  20    end,
  21    io:format("mise à jour de la BD..~n"),
  22    rpc:call(Node, euphorik_bd_admin, update, []);
  23 main(_) ->
  24    io:format("Usage: update_server.erl <node-name>"),
  25    halt(1).
  26
  27 % Copy the datbase from the production to pre production.
  28 copy_database(Node) ->
  29    io:format("Copying production database to pre-production node~n"),
  30    File = "/tmp/backup_ek_tmp",
  31    File2 = "/tmp/backup_ek_tmp2",
  32    rpc:call(yaws@overnux, mnesia, backup, [File]),
  33    rpc:call(Node, euphorik_bd_admin, change_node_name, [yaws@overnux, yaws_dev@overnux, File, File2]),
  34    rpc:call(Node, mnesia, restore, [File2, [{default_op, recreate_tables}]]),
  35    rpc:call(yaws@overnux, file, delete, [File]),
  36    rpc:call(Node, file, delete, [File2]).