Chapril/xmpp.chapril.org-ejabberd
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Remove obsolete mnesia migration calls

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Now that plugins directly use ejabberd_mnesia and can include their own
transform handler, we don't need pubsub_migrate anymore.

People upgrading from 2.1.1x version must upgrade to 17.01 first.
pubsub_migrate module remains to support any manual process requiring it
This commit is contained in:
Christophe Romain 2017-04-03 11:32:13 +02:00
parent 9d9037856c
commit 55ea097bce
2 changed files with 41 additions and 56 deletions
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16
src/mod_pubsub.erl
View File

@ -256,10 +256,6 @@ init([ServerHost, Opts]) ->
fun(A) when is_integer(A) andalso A >= 0 -> A end, ?MAXITEMS),
MaxSubsNode = gen_mod:get_opt(max_subscriptions_node, Opts,
fun(A) when is_integer(A) andalso A >= 0 -> A end, undefined),
case gen_mod:db_type(ServerHost, ?MODULE) of
mnesia -> init_mnesia(Host, ServerHost, Opts);
_ -> ok
end,
{Plugins, NodeTree, PepMapping} = init_plugins(Host, ServerHost, Opts),
DefaultModule = plugin(Host, hd(Plugins)),
BaseOptions = DefaultModule:options(),
@ -374,18 +370,6 @@ depends(ServerHost, Opts) ->
end
end, Plugins).
init_mnesia(Host, ServerHost, Opts) ->
pubsub_index:init(Host, ServerHost, Opts),
spawn(fun() ->
%% maybe upgrade db. this can take time when upgrading existing
%% data from ejabberd 2.1.x, so we don't want this to block
%% calling gen_server:start
pubsub_migrate:update_node_database(Host, ServerHost),
pubsub_migrate:update_state_database(Host, ServerHost),
pubsub_migrate:update_item_database(Host, ServerHost),
pubsub_migrate:update_lastitem_database(Host, ServerHost)
end).
%% @doc Call the init/1 function for each plugin declared in the config file.
%% The default plugin module is implicit.
%% <p>The Erlang code for the plugin is located in a module called

81
src/pubsub_migrate.erl
View File

@ -300,46 +300,47 @@ rename_default_nodeplugin() ->
_ = '_'})).
update_state_database(_Host, _ServerHost) ->
case catch mnesia:table_info(pubsub_state, attributes) of
[stateid, nodeidx, items, affiliation, subscriptions] ->
?INFO_MSG("Upgrading pubsub states table...", []),
F = fun ({pubsub_state, {{U,S,R}, NodeID}, _NodeIdx, Items, Aff, Sub}, Acc) ->
JID = {U,S,R},
Subs = case Sub of
none ->
[];
[] ->
[];
_ ->
SubID = pubsub_subscription:make_subid(),
[{Sub, SubID}]
end,
NewState = #pubsub_state{stateid = {JID, NodeID},
items = Items,
affiliation = Aff,
subscriptions = Subs},
[NewState | Acc]
end,
{atomic, NewRecs} = mnesia:transaction(fun mnesia:foldl/3,
[F, [], pubsub_state]),
{atomic, ok} = mnesia:delete_table(pubsub_state),
{atomic, ok} = ejabberd_mnesia:create(?MODULE, pubsub_state,
[{disc_copies, [node()]},
{attributes, record_info(fields, pubsub_state)}]),
FNew = fun () ->
lists:foreach(fun mnesia:write/1, NewRecs)
end,
case mnesia:transaction(FNew) of
{atomic, Result} ->
?INFO_MSG("Pubsub states table upgraded: ~p",
[Result]);
{aborted, Reason} ->
?ERROR_MSG("Problem upgrading Pubsub states table:~n~p",
[Reason])
end;
_ ->
ok
end,
% useless starting from ejabberd 17.04
% case catch mnesia:table_info(pubsub_state, attributes) of
% [stateid, nodeidx, items, affiliation, subscriptions] ->
% ?INFO_MSG("Upgrading pubsub states table...", []),
% F = fun ({pubsub_state, {{U,S,R}, NodeID}, _NodeIdx, Items, Aff, Sub}, Acc) ->
% JID = {U,S,R},
% Subs = case Sub of
% none ->
% [];
% [] ->
% [];
% _ ->
% SubID = pubsub_subscription:make_subid(),
% [{Sub, SubID}]
% end,
% NewState = #pubsub_state{stateid = {JID, NodeID},
% items = Items,
% affiliation = Aff,
% subscriptions = Subs},
% [NewState | Acc]
% end,
% {atomic, NewRecs} = mnesia:transaction(fun mnesia:foldl/3,
% [F, [], pubsub_state]),
% {atomic, ok} = mnesia:delete_table(pubsub_state),
% {atomic, ok} = ejabberd_mnesia:create(?MODULE, pubsub_state,
% [{disc_copies, [node()]},
% {attributes, record_info(fields, pubsub_state)}]),
% FNew = fun () ->
% lists:foreach(fun mnesia:write/1, NewRecs)
% end,
% case mnesia:transaction(FNew) of
% {atomic, Result} ->
% ?INFO_MSG("Pubsub states table upgraded: ~p",
% [Result]);
% {aborted, Reason} ->
% ?ERROR_MSG("Problem upgrading Pubsub states table:~n~p",
% [Reason])
% end;
% _ ->
% ok
% end,
convert_list_subscriptions(),
convert_list_states().