Chapril/xmpp.chapril.org-ejabberd
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Improve detection of databases supported by modules (#1092)

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This commit is contained in:
Evgeniy Khramtsov 2016-04-27 17:10:50 +03:00
parent d8bb5d9c01
commit 9c369b7a8c
20 changed files with 116 additions and 80 deletions
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12
src/ejabberd_auth.erl
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@ -428,7 +428,7 @@ auth_modules() ->
%% Return the list of authenticated modules for a given host
auth_modules(Server) ->
LServer = jid:nameprep(Server),
Default = gen_mod:default_db(LServer),
Default = ejabberd_config:default_db(LServer, ?MODULE),
Methods = ejabberd_config:get_option(
{auth_method, LServer}, opt_type(auth_method), [Default]),
[jlib:binary_to_atom(<<"ejabberd_auth_",
@ -448,15 +448,9 @@ import(Server, riak, Passwd) ->
import(_, _, _) ->
pass.
-spec v_auth_method(atom()) -> atom().
v_auth_method(odbc) -> sql;
v_auth_method(internal) -> mnesia;
v_auth_method(A) when is_atom(A) -> A.
opt_type(auth_method) ->
fun (V) when is_list(V) ->
lists:map(fun v_auth_method/1, V);
(V) -> [v_auth_method(V)]
lists:map(fun(M) -> ejabberd_config:v_db(?MODULE, M) end, V);
(V) -> [ejabberd_config:v_db(?MODULE, V)]
end;
opt_type(_) -> [auth_method].

65
src/ejabberd_config.erl
View File

@ -34,8 +34,8 @@
get_vh_by_auth_method/1, is_file_readable/1,
get_version/0, get_myhosts/0, get_mylang/0,
prepare_opt_val/4, convert_table_to_binary/5,
transform_options/1, collect_options/1,
convert_to_yaml/1, convert_to_yaml/2,
transform_options/1, collect_options/1, default_db/2,
convert_to_yaml/1, convert_to_yaml/2, v_db/2,
env_binary_to_list/2, opt_type/1, may_hide_data/1]).
-export([start/2]).
@ -674,7 +674,16 @@ rename_option(Option) ->
change_val(auth_method, Val) ->
prepare_opt_val(auth_method, Val,
ejabberd_auth:opt_type(auth_method), [mnesia]);
fun(V) ->
L = if is_list(V) -> V;
true -> [V]
end,
lists:map(
fun(odbc) -> sql;
(internal) -> mnesia;
(A) when is_atom(A) -> A
end, L)
end, [mnesia]);
change_val(_Opt, Val) ->
Val.
@ -806,9 +815,57 @@ get_option(Opt, F, Default) ->
end
end.
init_module_db_table(Modules) ->
catch ets:new(module_db, [named_table, public, bag]),
%% Dirty hack for mod_pubsub
ets:insert(module_db, {mod_pubsub, mnesia}),
ets:insert(module_db, {mod_pubsub, sql}),
lists:foreach(
fun(M) ->
case re:split(atom_to_list(M), "_", [{return, list}]) of
[_] ->
ok;
Parts ->
[Suffix|T] = lists:reverse(Parts),
BareMod = string:join(lists:reverse(T), "_"),
ets:insert(module_db, {list_to_atom(BareMod),
list_to_atom(Suffix)})
end
end, Modules).
-spec v_db(module(), atom()) -> atom().
v_db(Mod, internal) -> v_db(Mod, mnesia);
v_db(Mod, odbc) -> v_db(Mod, sql);
v_db(Mod, Type) ->
case ets:match_object(module_db, {Mod, Type}) of
[_|_] -> Type;
[] -> erlang:error(badarg)
end.
-spec default_db(binary(), module()) -> atom().
default_db(Host, Module) ->
case ejabberd_config:get_option(
{default_db, Host}, fun(T) when is_atom(T) -> T end) of
undefined ->
mnesia;
DBType ->
try
v_db(Module, DBType)
catch error:badarg ->
?WARNING_MSG("Module '~s' doesn't support database '~s' "
"defined in option 'default_db', using "
"'mnesia' as fallback", [Module, DBType]),
mnesia
end
end.
get_modules_with_options() ->
{ok, Mods} = application:get_key(ejabberd, modules),
ExtMods = [Name || {Name, _Details} <- ext_mod:installed()],
AllMods = [?MODULE|ExtMods++Mods],
init_module_db_table(AllMods),
lists:foldl(
fun(Mod, D) ->
case catch Mod:opt_type('') of
@ -820,7 +877,7 @@ get_modules_with_options() ->
{'EXIT', {undef, _}} ->
D
end
end, dict:new(), [?MODULE|ExtMods++Mods]).
end, dict:new(), AllMods).
validate_opts(#state{opts = Opts} = State) ->
ModOpts = get_modules_with_options(),

4
src/ejabberd_riak_sup.erl
View File

@ -70,8 +70,8 @@ is_riak_configured(Host) ->
{modules, Host},
fun(L) when is_list(L) -> L end, []),
ModuleWithRiakDBConfigured = lists:any(
fun({_Module, Opts}) ->
gen_mod:db_type(Host, Opts) == riak
fun({Module, Opts}) ->
gen_mod:db_type(Host, Opts, Module) == riak
end, Modules),
ServerConfigured or PortConfigured
or AuthConfigured or ModuleWithRiakDBConfigured.

19
src/ejabberd_sm.erl
View File

@ -733,13 +733,10 @@ force_update_presence({LUser, LServer}) ->
-spec get_sm_backend(binary()) -> module().
get_sm_backend(Host) ->
DBType = ejabberd_config:get_option({sm_db_type, Host},
fun(mnesia) -> mnesia;
(internal) -> mnesia;
(odbc) -> sql;
(sql) -> sql;
(redis) -> redis
end, mnesia),
DBType = ejabberd_config:get_option(
{sm_db_type, Host},
fun(T) -> ejabberd_config:v_db(?MODULE, T) end,
mnesia),
list_to_atom("ejabberd_sm_" ++ atom_to_list(DBType)).
-spec get_sm_backends() -> [module()].
@ -812,11 +809,5 @@ kick_user(User, Server) ->
make_sid() ->
{p1_time_compat:unique_timestamp(), self()}.
opt_type(sm_db_type) ->
fun (mnesia) -> mnesia;
(internal) -> mnesia;
(sql) -> sql;
(odbc) -> sql;
(redis) -> redis
end;
opt_type(sm_db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
opt_type(_) -> [sm_db_type].

58
src/gen_mod.erl
View File

@ -31,12 +31,12 @@
-export([start/0, start_module/2, start_module/3,
stop_module/2, stop_module_keep_config/2, get_opt/3,
get_opt/4, get_opt_host/3, db_type/1, db_type/2,
get_opt/4, get_opt_host/3, db_type/2, db_type/3,
get_module_opt/4, get_module_opt/5, get_module_opt_host/3,
loaded_modules/1, loaded_modules_with_opts/1,
get_hosts/2, get_module_proc/2, is_loaded/2,
start_modules/0, start_modules/1, stop_modules/0, stop_modules/1,
default_db/1, v_db/1, opt_type/1, db_mod/2, db_mod/3]).
opt_type/1, db_mod/2, db_mod/3]).
%%-export([behaviour_info/1]).
@ -295,44 +295,46 @@ validate_opts(Module, Opts) ->
false
end, Opts).
-spec v_db(db_type() | internal) -> db_type().
v_db(odbc) -> sql;
v_db(sql) -> sql;
v_db(internal) -> mnesia;
v_db(mnesia) -> mnesia;
v_db(riak) -> riak.
-spec db_type(opts()) -> db_type().
db_type(Opts) ->
db_type(global, Opts).
-spec db_type(binary() | global, atom() | opts()) -> db_type().
-spec db_type(binary() | global, module()) -> db_type();
(opts(), module()) -> db_type().
db_type(Opts, Module) when is_list(Opts) ->
db_type(global, Opts, Module);
db_type(Host, Module) when is_atom(Module) ->
get_module_opt(Host, Module, db_type, fun v_db/1, default_db(Host));
db_type(Host, Opts) when is_list(Opts) ->
get_opt(db_type, Opts, fun v_db/1, default_db(Host)).
case Module:mod_opt_type(db_type) of
F when is_function(F) ->
case get_module_opt(Host, Module, db_type, F) of
undefined -> ejabberd_config:default_db(Host, Module);
Type -> Type
end;
_ ->
undefined
end.
-spec default_db(binary() | global) -> db_type().
-spec db_type(binary(), opts(), module()) -> db_type().
default_db(Host) ->
ejabberd_config:get_option({default_db, Host}, fun v_db/1, mnesia).
db_type(Host, Opts, Module) ->
case Module:mod_opt_type(db_type) of
F when is_function(F) ->
case get_opt(db_type, Opts, F) of
undefined -> ejabberd_config:default_db(Host, Module);
Type -> Type
end;
_ ->
undefined
end.
-spec db_mod(binary() | global | db_type(), module()) -> module().
db_mod(odbc, Module) -> list_to_atom(atom_to_list(Module) ++ "_sql");
db_mod(sql, Module) -> list_to_atom(atom_to_list(Module) ++ "_sql");
db_mod(mnesia, Module) -> list_to_atom(atom_to_list(Module) ++ "_mnesia");
db_mod(riak, Module) -> list_to_atom(atom_to_list(Module) ++ "_riak");
db_mod(Type, Module) when is_atom(Type) ->
list_to_atom(atom_to_list(Module) ++ "_" ++ atom_to_list(Type));
db_mod(Host, Module) when is_binary(Host) orelse Host == global ->
db_mod(db_type(Host, Module), Module).
-spec db_mod(binary() | global, opts(), module()) -> module().
db_mod(Host, Opts, Module) when is_list(Opts) ->
db_mod(db_type(Host, Opts), Module).
db_mod(db_type(Host, Opts, Module), Module).
-spec loaded_modules(binary()) -> [atom()].
@ -380,6 +382,6 @@ get_module_proc(Host, Base) ->
is_loaded(Host, Module) ->
ets:member(ejabberd_modules, {Module, Host}).
opt_type(default_db) -> fun v_db/1;
opt_type(default_db) -> fun(T) when is_atom(T) -> T end;
opt_type(modules) -> fun (L) when is_list(L) -> L end;
opt_type(_) -> [default_db, modules].

2
src/mod_announce.erl
View File

@ -921,5 +921,5 @@ import(LServer, DBType, LA) ->
mod_opt_type(access) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) -> [access, db_type].

2
src/mod_caps.erl
View File

@ -651,6 +651,6 @@ mod_opt_type(cache_life_time) ->
fun (I) when is_integer(I), I > 0 -> I end;
mod_opt_type(cache_size) ->
fun (I) when is_integer(I), I > 0 -> I end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) ->
[cache_life_time, cache_size, db_type].

5
src/mod_carboncopy.erl
View File

@ -279,8 +279,5 @@ list(User, Server) ->
Mod:list(User, Server).
mod_opt_type(iqdisc) -> fun gen_iq_handler:check_type/1;
mod_opt_type(db_type) ->
fun(internal) -> mnesia;
(mnesia) -> mnesia
end;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) -> [db_type, iqdisc].

2
src/mod_irc.erl
View File

@ -1253,7 +1253,7 @@ import(LServer, DBType, Data) ->
mod_opt_type(access) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(default_encoding) ->
fun iolist_to_binary/1;
mod_opt_type(host) -> fun iolist_to_binary/1;

2
src/mod_last.erl
View File

@ -244,7 +244,7 @@ transform_options({node_start, {_, _, _} = Now}, Opts) ->
transform_options(Opt, Opts) ->
[Opt|Opts].
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(iqdisc) -> fun gen_iq_handler:check_type/1;
mod_opt_type(_) -> [db_type, iqdisc].

7
src/mod_mam.erl
View File

@ -1017,12 +1017,7 @@ mod_opt_type(cache_life_time) ->
fun (I) when is_integer(I), I > 0 -> I end;
mod_opt_type(cache_size) ->
fun (I) when is_integer(I), I > 0 -> I end;
mod_opt_type(db_type) ->
fun(sql) -> sql;
(odbc) -> sql;
(internal) -> mnesia;
(mnesia) -> mnesia
end;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(default) ->
fun (always) -> always;
(never) -> never;

2
src/mod_muc.erl
View File

@ -932,7 +932,7 @@ mod_opt_type(access_create) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(access_persistent) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(default_room_options) ->
fun (L) when is_list(L) -> L end;
mod_opt_type(history_size) ->

2
src/mod_offline.erl
View File

@ -867,7 +867,7 @@ import(LServer, DBType, Data) ->
mod_opt_type(access_max_user_messages) ->
fun (A) -> A end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(store_empty_body) ->
fun (V) when is_boolean(V) -> V;
(unless_chat_state) -> unless_chat_state

2
src/mod_privacy.erl
View File

@ -593,6 +593,6 @@ import(LServer, DBType, Data) ->
Mod = gen_mod:db_mod(DBType, ?MODULE),
Mod:import(LServer, Data).
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(iqdisc) -> fun gen_iq_handler:check_type/1;
mod_opt_type(_) -> [db_type, iqdisc].

2
src/mod_private.erl
View File

@ -173,6 +173,6 @@ import(LServer, DBType, PD) ->
Mod = gen_mod:db_mod(DBType, ?MODULE),
Mod:import(LServer, PD).
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(iqdisc) -> fun gen_iq_handler:check_type/1;
mod_opt_type(_) -> [db_type, iqdisc].

2
src/mod_pubsub.erl
View File

@ -4470,7 +4470,7 @@ purge_offline(Host, LJID, Node) ->
mod_opt_type(access_createnode) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(host) -> fun iolist_to_binary/1;
mod_opt_type(ignore_pep_from_offline) ->
fun (A) when is_boolean(A) -> A end;

2
src/mod_roster.erl
View File

@ -1236,7 +1236,7 @@ import(LServer, DBType, R) ->
mod_opt_type(access) ->
fun (A) when is_atom(A) -> A end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(iqdisc) -> fun gen_iq_handler:check_type/1;
mod_opt_type(managers) ->
fun (B) when is_list(B) -> B end;

2
src/mod_shared_roster.erl
View File

@ -1120,5 +1120,5 @@ import(LServer, DBType, Data) ->
Mod = gen_mod:db_mod(DBType, ?MODULE),
Mod:import(LServer, Data).
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) -> [db_type].

2
src/mod_vcard.erl
View File

@ -596,7 +596,7 @@ import(LServer, DBType, VCard) ->
mod_opt_type(allow_return_all) ->
fun (B) when is_boolean(B) -> B end;
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(host) -> fun iolist_to_binary/1;
mod_opt_type(iqdisc) -> fun gen_iq_handler:check_type/1;
mod_opt_type(matches) ->

2
src/mod_vcard_xupdate.erl
View File

@ -133,5 +133,5 @@ import(LServer, DBType, LA) ->
Mod = gen_mod:db_mod(DBType, ?MODULE),
Mod:import(LServer, LA).
mod_opt_type(db_type) -> fun gen_mod:v_db/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(_) -> [db_type].