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New command to set master Mnesia node
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6795675108
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@ -39,6 +39,7 @@
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%% Purge DB
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delete_expired_messages/0, delete_old_messages/1,
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%% Mnesia
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set_master/1,
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backup_mnesia/1, restore_mnesia/1,
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dump_mnesia/1, dump_table/2, load_mnesia/1,
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install_fallback_mnesia/1,
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@ -147,6 +148,12 @@ commands() ->
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module = mod_pubsub, function = rename_default_nodeplugin,
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args = [], result = {res, rescode}},
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#ejabberd_commands{name = set_master, tags = [mnesia],
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desc = "Set master node of the clustered Mnesia tables",
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longdesc = "If you provie as nodename \"self\", this "
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"node will be set as its own master.",
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module = ?MODULE, function = set_master,
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args = [{nodename, string}], result = {res, restuple}},
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#ejabberd_commands{name = mnesia_change_nodename, tags = [mnesia],
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desc = "Change the erlang node name in a backup file",
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module = ?MODULE, function = mnesia_change_nodename,
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@ -339,6 +346,20 @@ delete_old_messages(Days) ->
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%%% Mnesia management
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%%%
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set_master("self") ->
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set_master(node());
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set_master(NodeString) when is_list(NodeString) ->
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set_master(list_to_atom(NodeString));
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set_master(Node) when is_atom(Node) ->
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case mnesia:set_master_nodes([Node]) of
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ok ->
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{ok, ""};
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{error, Reason} ->
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String = io_lib:format("Can't set master node ~p at node ~p:~n~p",
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[Node, node(), Reason]),
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{error, String}
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end.
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backup_mnesia(Path) ->
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case mnesia:backup(Path) of
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ok ->
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