%%
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%%
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%% you may not use this file except in compliance with the License.
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%%
%%%----------------------------------------------------------------------
%%% File : mnesia_evil_backup.erl
%%% Author : Dan Gudmundsson <dgud@legolas>
%%% Purpose : Evil backup tests
%%% Created : 3 Jun 1998 by Dan Gudmundsson <[email protected]>
%%%----------------------------------------------------------------------
-module(mnesia_evil_backup).
-author('[email protected]').
-compile(export_all).
-include("mnesia_test_lib.hrl").
%%-export([Function/Arity, ...]).
init_per_testcase(Func, Conf) ->
mnesia_test_lib:init_per_testcase(Func, Conf).
end_per_testcase(Func, Conf) ->
mnesia_test_lib:end_per_testcase(Func, Conf).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
all() ->
[backup, bad_backup, global_backup_checkpoint,
{group, restore_tables}, traverse_backup,
selective_backup_checkpoint,
incremental_backup_checkpoint, install_fallback,
uninstall_fallback, local_fallback,
sops_with_checkpoint].
groups() ->
[{restore_tables, [],
[restore_errors, restore_clear, restore_keep,
restore_recreate, restore_clear_ram]}].
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
backup(doc) -> ["Checking the interface to the function backup",
"We don't check that the backups can be used here",
"That is checked in install_fallback and in restore"];
backup(suite) -> [];
backup(Config) when is_list(Config) ->
[Node1, Node2] = _Nodes = ?acquire_nodes(2, Config),
Tab = backup_tab,
Def = [{disc_copies, [Node1]}, {ram_copies, [Node2]}],
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_ok})),
File = "backup_test.BUP",
?match(ok, mnesia:backup(File)),
File2 = "backup_test2.BUP",
Tab2 = backup_tab2,
Def2 = [{disc_only_copies, [Node2]}],
?match({atomic, ok}, mnesia:create_table(Tab2, Def2)),
?match(ok, mnesia:backup(File2, mnesia_backup)),
File3 = "backup_test3.BUP",
mnesia_test_lib:kill_mnesia([Node2]),
?match({error, _}, mnesia:backup(File3, mnesia_backup)),
?match(ok, file:delete(File)),
?match(ok, file:delete(File2)),
?match({error, _}, file:delete(File3)),
?verify_mnesia([Node1], [Node2]).
bad_backup(suite) -> [];
bad_backup(Config) when is_list(Config) ->
[Node1] = ?acquire_nodes(1, Config),
Tab = backup_tab,
Def = [{disc_copies, [Node1]}],
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_ok})),
File = "backup_test.BUP",
?match(ok, mnesia:backup(File)),
file:write_file(File, "trash", [append]),
?match(ok, mnesia:dirty_write({Tab, 1, test_bad})),
?match({atomic,[Tab]}, mnesia:restore(File, [{clear_tables, [Tab]}])),
?match([{Tab,1,test_ok}], mnesia:dirty_read(Tab, 1)),
?match(ok, file:delete(File)),
?verify_mnesia([Node1], []).
global_backup_checkpoint(doc) ->
["Checking the interface to the function backup_checkpoint",
"We don't check that the backups can be used here",
"That is checked in install_fallback and in restore"];
global_backup_checkpoint(suite) -> [];
global_backup_checkpoint(Config) when is_list(Config) ->
[Node1, Node2] = Nodes = ?acquire_nodes(2, Config),
Tab = backup_cp,
Def = [{disc_copies, [Node1]}, {ram_copies, [Node2]}],
File = "backup_checkpoint.BUP",
File2 = "backup_checkpoint2.BUP",
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_ok})),
?match({error, _}, mnesia:backup_checkpoint(cp_name, File)),
Spec = [{name, cp_name}, {max, mnesia:system_info(tables)}],
?match({ok, _Name, _Ns}, mnesia:activate_checkpoint(Spec)),
?match(ok, mnesia:backup_checkpoint(cp_name, File)),
?match({error, _}, mnesia:backup_checkpoint(cp_name_nonexist, File)),
?match(ok, mnesia:backup_checkpoint(cp_name, File2, mnesia_backup)),
?match({error, _}, file:delete(File)),
?match(ok, file:delete(File2)),
?verify_mnesia(Nodes, []).
restore_errors(suite) -> [];
restore_errors(Config) when is_list(Config) ->
[_Node] = ?acquire_nodes(1, Config),
?match({aborted, enoent}, mnesia:restore(notAfile, [])),
?match({aborted, {badarg, _}}, mnesia:restore(notAfile, not_a_list)),
?match({aborted, {badarg, _}}, mnesia:restore(notAfile, [test_badarg])),
?match({aborted, {badarg, _}}, mnesia:restore(notAfile, [{test_badarg, xxx}])),
?match({aborted, {badarg, _}}, mnesia:restore(notAfile, [{skip_tables, xxx}])),
?match({aborted, {badarg, _}}, mnesia:restore(notAfile, [{recreate_tables, [schema]}])),
?match({aborted, {badarg, _}}, mnesia:restore(notAfile, [{default_op, asdklasd}])),
MnesiaDir = mnesia_lib:dir(),
?match({aborted, {not_a_log_file, _}}, mnesia:restore(filename:join(MnesiaDir, "schema.DAT"), [])),
?match({aborted, _}, mnesia:restore(filename:join(MnesiaDir, "LATEST.LOG"), [])),
ok.
restore_clear(suite) -> [];
restore_clear(Config) when is_list(Config) ->
restore(Config, clear_tables).
restore_keep(suite) -> [];
restore_keep(Config) when is_list(Config) ->
restore(Config, keep_tables).
restore_recreate(suite) -> [];
restore_recreate(Config) when is_list(Config) ->
restore(Config, recreate_tables).
check_tab(Records, Line) ->
Verify = fun({Table, Key, Val}) ->
case catch mnesia:dirty_read({Table, Key}) of
[{Table, Key, Val}] -> ok;
Else ->
mnesia_test_lib:error("Not matching on Node ~p ~n"
" Expected ~p~n Actual ~p~n",
[node(), {Table, Key, Val}, Else],
?MODULE, Line),
exit(error)
end;
(Recs) ->
[{Tab, Key, _}, _] = Recs,
SRecs = lists:sort(Recs),
R_Recs = lists:sort(catch mnesia:dirty_read({Tab, Key})),
case R_Recs of
SRecs -> ok;
Else ->
mnesia_test_lib:error("Not matching on Node ~p ~n"
" Expected ~p~n Actual ~p~n",
[node(), SRecs, Else],
?MODULE, Line),
exit(error)
end
end,
lists:foreach(Verify, Records).
restore(Config, Op) ->
[Node1, Node2, _Node3] = Nodes = ?acquire_nodes(3, Config),
Tab1 = ram_snmp,
Def1 = [{snmp, [{key, integer}]}, {ram_copies, [Node1]}],
Tab2 = disc_index,
Def2 = [{index, [val]}, {disc_copies, [Node1, Node2]}],
Tab3 = dionly_bag,
Def3 = [{type, bag}, {disc_only_copies, Nodes}],
?match({atomic, ok}, mnesia:create_table(Tab1, Def1)),
?match({atomic, ok}, mnesia:create_table(Tab2, Def2)),
?match({atomic, ok}, mnesia:create_table(Tab3, Def3)),
File1 = "restore1.BUP",
File2 = "restore2.BUP",
Restore = fun(O, A) ->
case mnesia:restore(O, A) of
{atomic, Tabs} when is_list(Tabs) -> {atomic, lists:sort(Tabs)};
Other -> Other
end
end,
Tabs = lists:sort([Tab1, Tab2, Tab3]),
[mnesia:dirty_write({Tab1, N, N+42}) || N <- lists:seq(1, 10)],
[mnesia:dirty_write({Tab2, N, N+43}) || N <- lists:seq(1, 10)],
[mnesia:dirty_write({Tab3, N, N+44}) || N <- lists:seq(1, 10)],
Res1 = [{Tab1, N, N+42} || N <- lists:seq(1, 10)],
Res2 = [{Tab2, N, N+43} || N <- lists:seq(1, 10)],
Res3 = [{Tab3, N, N+44} || N <- lists:seq(1, 10)],
{ok, Name, _} = mnesia:activate_checkpoint([{min, Tabs}, {ram_overrides_dump, true}]),
file:delete(File1),
%% Test standard Restore on one table on one node
?match(ok, mnesia:backup_checkpoint(Name, File1)),
?match(ok, mnesia:deactivate_checkpoint(Name)),
?match(ok, mnesia:backup(File2)),
[mnesia:dirty_write({Tab1, N, N+1}) || N <- lists:seq(1, 11)],
[mnesia:dirty_write({Tab2, N, N+1}) || N <- lists:seq(1, 11)],
[mnesia:dirty_write({Tab3, N, N+1}) || N <- lists:seq(1, 11)],
Res21 = [{Tab2, N, N+1} || N <- lists:seq(1, 11)],
Res31 = [[{Tab3, N, N+1}, {Tab3, N, N+44}] || N <- lists:seq(1, 10)],
Check = fun() ->
[disk_log:pid2name(X) ||
X <- processes(), Data <- [process_info(X, [current_function])],
Data =/= undefined,
element(1, element(2, lists:keyfind(current_function, 1, Data)))=:= disk_log]
end,
Before = Check(),
?match({atomic, [Tab1]}, Restore(File1, [{Op, [Tab1]},
{skip_tables, Tabs -- [Tab1]}])),
case Op of
keep_tables ->
?match([{Tab1, 11, 12}], mnesia:dirty_read({Tab1, 11}));
clear_tables ->
?match([], mnesia:dirty_read({Tab1, 11}));
recreate_tables ->
?match([], mnesia:dirty_read({Tab1, 11}))
end,
[rpc:call(Node, ?MODULE, check_tab, [Res1, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res21, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res31, ?LINE]) || Node <- Nodes],
%% Restore all tables on it's nodes
mnesia:clear_table(Tab1),
mnesia:clear_table(Tab2),
mnesia:clear_table(Tab3),
[mnesia:dirty_write({Tab1, N, N+1}) || N <- lists:seq(1, 11)],
[mnesia:dirty_write({Tab2, N, N+1}) || N <- lists:seq(1, 11)],
[mnesia:dirty_write({Tab3, N, N+1}) || N <- lists:seq(1, 11)],
?match({atomic, ok}, mnesia:del_table_copy(Tab2, Node1)),
?match({ok, Node1}, mnesia:subscribe({table, Tab1})),
?match({atomic, Tabs}, Restore(File1, [{default_op, Op},
{module, mnesia_backup}])),
case Op of
clear_tables ->
?match_receive({mnesia_table_event, {delete, {schema, Tab1}, _}}),
?match_receive({mnesia_table_event, {write, {schema, Tab1, _}, _}}),
check_subscr(Tab1),
[rpc:call(Node, ?MODULE, check_tab, [Res1, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res2, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res3, ?LINE]) || Node <- Nodes],
?match([], mnesia:dirty_read({Tab1, 11})),
?match([], mnesia:dirty_read({Tab2, 11})),
?match([], mnesia:dirty_read({Tab3, 11})),
%% Check Index
?match([{Tab2, 10, 53}], mnesia:dirty_index_read(Tab2, 53, val)),
?match([], mnesia:dirty_index_read(Tab2, 11, val)),
%% Check Snmp
?match({ok, [1]}, mnesia:snmp_get_next_index(Tab1,[])),
?match({ok, {Tab1, 1, 43}}, mnesia:snmp_get_row(Tab1, [1])),
?match(undefined, mnesia:snmp_get_row(Tab1, [11])),
%% Check schema info
?match([Node2], mnesia:table_info(Tab2, where_to_write));
keep_tables ->
check_subscr(Tab1),
[rpc:call(Node, ?MODULE, check_tab, [Res1, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res2, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res31, ?LINE]) || Node <- Nodes],
?match([{Tab1, 11, 12}], mnesia:dirty_read({Tab1, 11})),
?match([{Tab2, 11, 12}], mnesia:dirty_read({Tab2, 11})),
?match([{Tab3, 11, 12}], mnesia:dirty_read({Tab3, 11})),
?match([{Tab2, 10, 53}], mnesia:dirty_index_read(Tab2, 53, val)),
%% Check Index
?match([], mnesia:dirty_index_read(Tab2, 11, val)),
?match({ok, [1]}, mnesia:snmp_get_next_index(Tab1,[])),
%% Check Snmp
?match({ok, {Tab1, 1, 43}}, mnesia:snmp_get_row(Tab1, [1])),
?match({ok, {Tab1, 11, 12}}, mnesia:snmp_get_row(Tab1, [11])),
%% Check schema info
?match([Node2], mnesia:table_info(Tab2, where_to_write));
recreate_tables ->
check_subscr(Tab1, 0),
[rpc:call(Node, ?MODULE, check_tab, [Res1, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res2, ?LINE]) || Node <- Nodes],
[rpc:call(Node, ?MODULE, check_tab, [Res3, ?LINE]) || Node <- Nodes],
?match([], mnesia:dirty_read({Tab1, 11})),
?match([], mnesia:dirty_read({Tab2, 11})),
?match([], mnesia:dirty_read({Tab3, 11})),
%% Check Index
?match([{Tab2, 10, 53}], mnesia:dirty_index_read(Tab2, 53, val)),
?match([], mnesia:dirty_index_read(Tab2, 11, val)),
%% Check Snmp
?match({ok, [1]}, mnesia:snmp_get_next_index(Tab1,[])),
?match({ok, {Tab1, 1, 43}}, mnesia:snmp_get_row(Tab1, [1])),
?match(undefined, mnesia:snmp_get_row(Tab1, [11])),
%% Check schema info
Ns = lists:sort([Node1, Node2]),
?match(Ns, lists:sort(mnesia:table_info(Tab2, where_to_write)))
end,
?match(ok, file:delete(File1)),
?match(ok, file:delete(File2)),
?match([], Check() -- (Before ++ [{ok, latest_log}, {ok, previous_log}])),
?verify_mnesia(Nodes, []).
check_subscr(Tab) ->
check_subscr(Tab, 10).
check_subscr(_Tab, 0) ->
receive
Msg ->
?error("Too many msgs ~p~n", [Msg])
after 500 ->
ok
end;
check_subscr(Tab, N) ->
V = N +42,
receive
{mnesia_table_event, {write, {Tab, N, V}, _}} ->
check_subscr(Tab, N-1)
after 500 ->
?error("Missing ~p~n", [{Tab, N, V}])
end.
restore_clear_ram(suite) -> [];
restore_clear_ram(Config) when is_list(Config) ->
Nodes = ?acquire_nodes(3, [{diskless, true}|Config]),
?match({atomic, ok}, mnesia:create_table(a, [{ram_copies, Nodes}])),
Write = fun(What) ->
mnesia:write({a,1,What}),
mnesia:write({a,2,What}),
mnesia:write({a,3,What})
end,
Bup = "restore_clear_ram.BUP",
?match({atomic, ok}, mnesia:transaction(Write, [initial])),
?match({ok, _, _}, mnesia:activate_checkpoint([{name,test},
{min, [schema, a]},
{ram_overrides_dump, true}])),
?match(ok, mnesia:backup_checkpoint(test, Bup)),
?match({atomic, ok}, mnesia:transaction(Write, [data])),
?match({atomic, [a]}, mnesia:restore(Bup, [{clear_tables,[a]},{default_op,skip_tables}])),
restore_clear_ram_loop(100, Nodes, Bup),
ok.
restore_clear_ram_loop(N, Nodes = [N1,N2,N3], Bup) when N > 0 ->
?match([], mnesia_test_lib:stop_mnesia(Nodes)),
?match({_, []}, rpc:multicall([N1,N2], mnesia, start, [[{extra_db_nodes, Nodes}]])),
Key = rpc:async_call(N3, mnesia, start, [[{extra_db_nodes, Nodes}]]),
?match({atomic, ok}, mnesia:create_table(a, [{ram_copies, Nodes}])),
?match({atomic, [a]}, mnesia:restore(Bup, [{clear_tables,[a]},{default_op,skip_tables}])),
?match(ok, rpc:yield(Key)),
?match(ok, rpc:call(N3, mnesia, wait_for_tables, [[a], 3000])),
case rpc:multicall(Nodes, mnesia, table_info, [a,size]) of
{[3,3,3], []} ->
restore_clear_ram_loop(N-1, Nodes, Bup);
Error ->
?match(3, Error)
end;
restore_clear_ram_loop(_,_,_) ->
ok.
traverse_backup(doc) ->
["Testing the traverse_backup interface, the resulting file is not tested though",
"See install_fallback for result using the output file from traverse_backup",
"A side effect is that the backup file contents are tested"];
traverse_backup(suite) -> [];
traverse_backup(Config) when is_list(Config) ->
[Node1, Node2] = Nodes = ?acquire_nodes(2, Config),
Tab = backup_tab,
Def = [{disc_copies, [Node1]}, {ram_copies, [Node2]}],
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 2, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 3, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 4, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 5, test_nok})),
File = "_treverse_backup.BUP",
File2 = "traverse_backup2.BUP",
File3 = "traverse_backup3.BUP",
?match(ok, mnesia:backup(File)),
Fun = fun({backup_tab, N, _}, Acc) -> {[{backup_tab, N, test_ok}], Acc+1};
(Other, Acc) -> {[Other], Acc}
end,
?match({ok, 5}, mnesia:traverse_backup(File, read_only, Fun, 0)),
?match(ok, file:delete(read_only)),
?match({ok, 5}, mnesia:traverse_backup(File, mnesia_backup,
dummy, read_only, Fun, 0)),
?match({ok, 5}, mnesia:traverse_backup(File, File2, Fun, 0)),
?match({ok, 5}, mnesia:traverse_backup(File2, mnesia_backup,
File3, mnesia_backup, Fun, 0)),
BadFun = fun({bad_tab, _N, asd}, Acc) -> {{error, error}, Acc} end,
?match({error, _}, mnesia:traverse_backup(File, read_only, BadFun, 0)),
?match({error, _}, file:delete(read_only)),
?match(ok, file:delete(File)),
?match(ok, file:delete(File2)),
?match(ok, file:delete(File3)),
?verify_mnesia(Nodes, []).
install_fallback(doc) ->
["This tests the install_fallback intf.",
"It also verifies that the output from backup_checkpoint and traverse_backup",
"is valid"];
install_fallback(suite) -> [];
install_fallback(Config) when is_list(Config) ->
[Node1, Node2] = Nodes = ?acquire_nodes(2, Config),
Tab = fallbacks_test,
Def = [{disc_copies, [Node1]}, {ram_copies, [Node2]}],
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 2, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 3, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 4, test_nok})),
?match(ok, mnesia:dirty_write({Tab, 5, test_nok})),
Tab2 = fallbacks_test2,
Def2 = [{disc_copies, [node()]}],
?match({atomic, ok}, mnesia:create_table(Tab2, Def2)),
Tab3 = fallbacks_test3,
?match({atomic, ok}, mnesia:create_table(Tab3, Def2)),
Fun2 = fun(Key) ->
Rec = {Tab2, Key, test_ok},
mnesia:dirty_write(Rec),
[Rec]
end,
TabSize3 = 1000,
OldRecs2 = [Fun2(K) || K <- lists:seq(1, TabSize3)],
Spec =[{name, cp_name}, {max, mnesia:system_info(tables)}],
?match({ok, _Name, Nodes}, mnesia:activate_checkpoint(Spec)),
?match(ok, mnesia:dirty_write({Tab, 6, test_nok})),
[mnesia:dirty_write({Tab2, K, test_nok}) || K <- lists:seq(1, TabSize3 + 10)],
File = "install_fallback.BUP",
File2 = "install_fallback2.BUP",
File3 = "install_fallback3.BUP",
?match(ok, mnesia:backup_checkpoint(cp_name, File)),
Fun = fun({T, N, _}, Acc) when T == Tab ->
case N rem 2 of
0 ->
io:format("write ~p -> ~p~n", [N, T]),
{[{T, N, test_ok}], Acc + 1};
1 ->
io:format("write ~p -> ~p~n", [N, Tab3]),
{[{Tab3, N, test_ok}], Acc + 1}
end;
({T, N}, Acc) when T == Tab ->
case N rem 2 of
0 ->
io:format("delete ~p -> ~p~n", [N, T]),
{[{T, N}], Acc + 1};
1 ->
io:format("delete ~p -> ~p~n", [N, Tab3]),
{[{Tab3, N}], Acc + 1}
end;
(Other, Acc) ->
{[Other], Acc}
end,
?match({ok, _}, mnesia:traverse_backup(File, File2, Fun, 0)),
?match(ok, mnesia:install_fallback(File2)),
mnesia_test_lib:kill_mnesia([Node1, Node2]),
timer:sleep(timer:seconds(1)), % Let it die!
ok = mnesia:start([{ignore_fallback_at_startup, true}]),
ok = mnesia:wait_for_tables([Tab, Tab2, Tab3], 10000),
?match([{Tab, 6, test_nok}], mnesia:dirty_read({Tab, 6})),
mnesia_test_lib:kill_mnesia([Node1]),
application:set_env(mnesia, ignore_fallback_at_startup, false),
timer:sleep(timer:seconds(1)), % Let it die!
?match([], mnesia_test_lib:start_mnesia([Node1, Node2], [Tab, Tab2, Tab3])),
% Verify
?match([], mnesia:dirty_read({Tab, 1})),
?match([{Tab3, 1, test_ok}], mnesia:dirty_read({Tab3, 1})),
?match([{Tab, 2, test_ok}], mnesia:dirty_read({Tab, 2})),
?match([], mnesia:dirty_read({Tab3, 2})),
?match([], mnesia:dirty_read({Tab, 3})),
?match([{Tab3, 3, test_ok}], mnesia:dirty_read({Tab3, 3})),
?match([{Tab, 4, test_ok}], mnesia:dirty_read({Tab, 4})),
?match([], mnesia:dirty_read({Tab3, 4})),
?match([], mnesia:dirty_read({Tab, 5})),
?match([{Tab3, 5, test_ok}], mnesia:dirty_read({Tab3, 5})),
?match([], mnesia:dirty_read({Tab, 6})),
?match([], mnesia:dirty_read({Tab3, 6})),
?match([], [mnesia:dirty_read({Tab2, K}) || K <- lists:seq(1, TabSize3)] -- OldRecs2),
?match(TabSize3, mnesia:table_info(Tab2, size)),
% Check the interface
file:delete(File3),
?match({error, _}, mnesia:install_fallback(File3)),
?match({error, _}, mnesia:install_fallback(File2, mnesia_badmod)),
?match({error, _}, mnesia:install_fallback(File2, {foo, foo})),
?match({error, _}, mnesia:install_fallback(File2, [{foo, foo}])),
?match({error, {badarg, {skip_tables, _}}},
mnesia:install_fallback(File2, [{default_op, skip_tables},
{default_op, keep_tables},
{keep_tables, [Tab, Tab2, Tab3]},
{skip_tables, [foo,{asd}]}])),
?match(ok, mnesia:install_fallback(File2, mnesia_backup)),
?match(ok, file:delete(File)),
?match(ok, file:delete(File2)),
?match({error, _}, file:delete(File3)),
?verify_mnesia(Nodes, []).
uninstall_fallback(suite) -> [];
uninstall_fallback(Config) when is_list(Config) ->
[Node1, Node2] = Nodes = ?acquire_nodes(2, Config),
Tab = uinst_fallbacks_test,
File = "uinst_fallback.BUP",
File2 = "uinst_fallback2.BUP",
Def = [{disc_copies, [Node1]}, {ram_copies, [Node2]}],
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_ok})),
?match(ok, mnesia:backup(File)),
Fun = fun({T, N, _}, Acc) when T == Tab ->
{[{T, N, test_nok}], Acc+1};
(Other, Acc) -> {[Other], Acc}
end,
?match({ok, _}, mnesia:traverse_backup(File, File2, Fun, 0)),
?match({error, enoent}, mnesia:uninstall_fallback()),
?match(ok, mnesia:install_fallback(File2)),
?match(ok, file:delete(File)),
?match(ok, file:delete(File2)),
?match({error, _}, mnesia:uninstall_fallback([foobar])),
?match(ok, mnesia:uninstall_fallback()),
mnesia_test_lib:kill_mnesia([Node1, Node2]),
timer:sleep(timer:seconds(1)), % Let it die!
?match([], mnesia_test_lib:start_mnesia([Node1, Node2], [Tab])),
?match([{Tab, 1, test_ok}], mnesia:dirty_read({Tab, 1})),
?verify_mnesia(Nodes, []).
local_fallback(suite) -> [];
local_fallback(Config) when is_list(Config) ->
[Node1, Node2] = Nodes = ?acquire_nodes(2, Config),
Tab = local_fallback,
File = "local_fallback.BUP",
Def = [{disc_copies, Nodes}],
Key = foo,
Pre = {Tab, Key, pre},
Post = {Tab, Key, post},
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match(ok, mnesia:dirty_write(Pre)),
?match(ok, mnesia:backup(File)),
?match(ok, mnesia:dirty_write(Post)),
Local = [{scope, local}],
?match({error, enoent}, mnesia:uninstall_fallback(Local)),
?match(ok, mnesia:install_fallback(File, Local)),
?match(true, mnesia:system_info(fallback_activated)),
?match(ok, mnesia:uninstall_fallback(Local)),
?match(false, mnesia:system_info(fallback_activated)),
?match(ok, mnesia:install_fallback(File, Local)),
?match(true, mnesia:system_info(fallback_activated)),
?match(false, rpc:call(Node2, mnesia, system_info , [fallback_activated])),
?match(ok, rpc:call(Node2, mnesia, install_fallback , [File, Local])),
?match([Post], mnesia:dirty_read({Tab, Key})),
?match([Post], rpc:call(Node2, mnesia, dirty_read, [{Tab, Key}])),
?match([], mnesia_test_lib:kill_mnesia(Nodes)),
?match([], mnesia_test_lib:start_mnesia(Nodes, [Tab])),
?match([Pre], mnesia:dirty_read({Tab, Key})),
?match([Pre], rpc:call(Node2, mnesia, dirty_read, [{Tab, Key}])),
Dir = rpc:call(Node2, mnesia, system_info , [directory]),
?match(ok, mnesia:dirty_write(Post)),
?match([Post], mnesia:dirty_read({Tab, Key})),
?match([], mnesia_test_lib:kill_mnesia([Node2])),
?match(ok, mnesia:install_fallback(File, Local ++ [{mnesia_dir, Dir}])),
?match([], mnesia_test_lib:kill_mnesia([Node1])),
?match([], mnesia_test_lib:start_mnesia([Node2], [])),
?match(yes, rpc:call(Node2, mnesia, force_load_table, [Tab])),
?match([], mnesia_test_lib:start_mnesia(Nodes, [Tab])),
?match([Pre], mnesia:dirty_read({Tab, Key})),
?match(ok, file:delete(File)),
?verify_mnesia(Nodes, []).
selective_backup_checkpoint(doc) ->
["Perform a selective backup of a checkpoint"];
selective_backup_checkpoint(suite) -> [];
selective_backup_checkpoint(Config) when is_list(Config) ->
[Node1, Node2] = Nodes = ?acquire_nodes(2, Config),
Tab = sel_backup,
OmitTab = sel_backup_omit,
CpName = sel_cp,
Def = [{disc_copies, [Node1, Node2]}],
File = "selective_backup_checkpoint.BUP",
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
?match({atomic, ok}, mnesia:create_table(OmitTab, Def)),
?match(ok, mnesia:dirty_write({Tab, 1, test_ok})),
?match(ok, mnesia:dirty_write({OmitTab, 1, test_ok})),
CpSpec = [{name, CpName}, {max, mnesia:system_info(tables)}],
?match({ok, CpName, _Ns}, mnesia:activate_checkpoint(CpSpec)),
BupSpec = [{tables, [Tab]}],
?match(ok, mnesia:backup_checkpoint(CpName, File, BupSpec)),
?match([schema, sel_backup], bup_tables(File, mnesia_backup)),
?match(ok, file:delete(File)),
BupSpec2 = [{tables, [Tab, OmitTab]}],
?match(ok, mnesia:backup_checkpoint(CpName, File, BupSpec2)),
?match([schema, sel_backup, sel_backup_omit],
bup_tables(File, mnesia_backup)),
?match(ok, file:delete(File)),
?verify_mnesia(Nodes, []).
bup_tables(File, Mod) ->
Fun = fun(Rec, Tabs) ->
Tab = element(1, Rec),
Tabs2 = [Tab | lists:delete(Tab, Tabs)],
{[Rec], Tabs2}
end,
case mnesia:traverse_backup(File, Mod, dummy, read_only, Fun, []) of
{ok, Tabs} ->
lists:sort(Tabs);
{error, Reason} ->
exit(Reason)
end.
incremental_backup_checkpoint(doc) ->
["Perform a incremental backup of a checkpoint"];
incremental_backup_checkpoint(suite) -> [];
incremental_backup_checkpoint(Config) when is_list(Config) ->
[Node1] = Nodes = ?acquire_nodes(1, Config),
Tab = incr_backup,
Def = [{disc_copies, [Node1]}],
?match({atomic, ok}, mnesia:create_table(Tab, Def)),
OldRecs = [{Tab, K, -K} || K <- lists:seq(1, 5)],
?match([ok|_], [mnesia:dirty_write(R) || R <- OldRecs]),
OldCpName = old_cp,
OldCpSpec = [{name, OldCpName}, {min, [Tab]}],
?match({ok, OldCpName, _Ns}, mnesia:activate_checkpoint(OldCpSpec)),
BupSpec = [{tables, [Tab]}],
OldFile = "old_full_backup.BUP",
?match(ok, mnesia:backup_checkpoint(OldCpName, OldFile, BupSpec)),
?match(OldRecs, bup_records(OldFile, mnesia_backup)),
?match(ok, mnesia:dirty_delete({Tab, 1})),
?match(ok, mnesia:dirty_write({Tab, 2, 2})),
?match(ok, mnesia:dirty_write({Tab, 3, -3})),
NewCpName = new_cp,
NewCpSpec = [{name, NewCpName}, {min, [Tab]}],
?match({ok, NewCpName, _Ns}, mnesia:activate_checkpoint(NewCpSpec)),
?match(ok, mnesia:dirty_write({Tab, 4, 4})),
NewFile = "new_full_backup.BUP",
?match(ok, mnesia:backup_checkpoint(NewCpName, NewFile, BupSpec)),
NewRecs = [{Tab, 2, 2}, {Tab, 3, -3},
{Tab, 4, 4}, {Tab, 4}, {Tab, 4, -4}, {Tab, 5, -5}],
?match(NewRecs, bup_records(NewFile, mnesia_backup)),
DiffFile = "diff_backup.BUP",
DiffBupSpec = [{tables, [Tab]}, {incremental, OldCpName}],
?match(ok, mnesia:backup_checkpoint(NewCpName, DiffFile, DiffBupSpec)),
DiffRecs = [{Tab, 1}, {Tab, 2}, {Tab, 2, 2}, {Tab, 3}, {Tab, 3, -3},
{Tab, 4}, {Tab, 4, 4}, {Tab, 4}, {Tab, 4, -4}],
?match(DiffRecs, bup_records(DiffFile, mnesia_backup)),
?match(ok, mnesia:deactivate_checkpoint(OldCpName)),
?match(ok, mnesia:deactivate_checkpoint(NewCpName)),
?match(ok, file:delete(OldFile)),
?match(ok, file:delete(NewFile)),
?match(ok, file:delete(DiffFile)),
?verify_mnesia(Nodes, []).
bup_records(File, Mod) ->
Fun = fun(Rec, Recs) when element(1, Rec) == schema ->
{[Rec], Recs};
(Rec, Recs) ->
{[Rec], [Rec | Recs]}
end,
case mnesia:traverse_backup(File, Mod, dummy, read_only, Fun, []) of
{ok, Recs} ->
lists:keysort(1, lists:keysort(2, lists:reverse(Recs)));
{error, Reason} ->
exit(Reason)
end.
sops_with_checkpoint(doc) ->
["Test schema operations during a checkpoint"];
sops_with_checkpoint(suite) -> [];
sops_with_checkpoint(Config) when is_list(Config) ->
Ns = [N1,N2] = ?acquire_nodes(2, Config),
?match({ok, cp1, Ns}, mnesia:activate_checkpoint([{name, cp1},{max,mnesia:system_info(tables)}])),
Tab = tab,
?match({atomic, ok}, mnesia:create_table(Tab, [{disc_copies,Ns}])),
OldRecs = [{Tab, K, -K} || K <- lists:seq(1, 5)],
[mnesia:dirty_write(R) || R <- OldRecs],
?match({ok, cp2, Ns}, mnesia:activate_checkpoint([{name, cp2},{max,mnesia:system_info(tables)}])),
File1 = "cp1_delete_me.BUP",
?match(ok, mnesia:dirty_write({Tab,6,-6})),
?match(ok, mnesia:backup_checkpoint(cp1, File1)),
?match(ok, mnesia:dirty_write({Tab,7,-7})),
File2 = "cp2_delete_me.BUP",
?match(ok, mnesia:backup_checkpoint(cp2, File2)),
?match(ok, mnesia:deactivate_checkpoint(cp1)),
?match(ok, mnesia:backup_checkpoint(cp2, File1)),
?match(ok, mnesia:dirty_write({Tab,8,-8})),
?match({atomic,ok}, mnesia:delete_table(Tab)),
?match({error,_}, mnesia:backup_checkpoint(cp2, File2)),
?match({'EXIT',_}, mnesia:dirty_write({Tab,9,-9})),
?match({atomic,_}, mnesia:restore(File1, [{default_op, recreate_tables}])),
Test = fun(N) when N > 5 -> ?error("To many records in backup ~p ~n", [N]);
(N) -> case mnesia:dirty_read(Tab,N) of
[{Tab,N,B}] when -B =:= N -> ok;
Other -> ?error("Not matching ~p ~p~n", [N,Other])
end
end,
[Test(N) || N <- mnesia:dirty_all_keys(Tab)],
?match({aborted,enoent}, mnesia:restore(File2, [{default_op, recreate_tables}])),
%% Mnesia crashes when deleting a table during backup
?match([], mnesia_test_lib:stop_mnesia([N2])),
Tab2 = ram,
?match({atomic, ok}, mnesia:create_table(Tab2, [{ram_copies,[N1]}])),
?match({ok, cp3, _}, mnesia:activate_checkpoint([{name, cp3},
{ram_overrides_dump,true},
{min,[Tab2]}])),
Write = fun Loop (N) ->
case N > 0 of
true ->
mnesia:dirty_write({Tab2, N+100, N+100}),
Loop(N-1);
false ->
ok
end
end,
ok = Write(100000),
spawn_link(fun() -> ?match({atomic, ok},mnesia:delete_table(Tab2)) end),
%% We don't check result here, depends on timing of above call
mnesia:backup_checkpoint(cp3, File2),
file:delete(File1), file:delete(File2),
?verify_mnesia([N1], [N2]).
