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authorSiri Hansen <[email protected]>2011-07-06 10:51:30 +0200
committerSiri Hansen <[email protected]>2011-07-06 10:51:30 +0200
commitce834798d7f08d5869f11a1cb81e49ca7d5db3b8 (patch)
treeeaedca2573184f5c247ea8fa6b1ca624ba59cbd1 /lib/sasl/src
parente1ad871bf09949b106d4621f2e2bf11e07098213 (diff)
parent795607321cce0848213ad2f808b751801bc75832 (diff)
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Merge branch 'siri/sasl/new-app-vsn-path/OTP-9402' into dev
* siri/sasl/new-app-vsn-path/OTP-9402: Update code path for all applications that have new versions in a release
Diffstat (limited to 'lib/sasl/src')
-rw-r--r--lib/sasl/src/release_handler.erl40
-rw-r--r--lib/sasl/src/release_handler_1.erl32
2 files changed, 51 insertions, 21 deletions
diff --git a/lib/sasl/src/release_handler.erl b/lib/sasl/src/release_handler.erl
index eb29787103..ab54b1d00b 100644
--- a/lib/sasl/src/release_handler.erl
+++ b/lib/sasl/src/release_handler.erl
@@ -291,7 +291,8 @@ check_script(Script, LibDirs) ->
release_handler_1:check_script(Script, LibDirs).
%%-----------------------------------------------------------------
-%% eval_script(Script, Apps, LibDirs, Opts) -> {ok, UnPurged} |
+%% eval_script(Script, Apps, LibDirs, NewLibs, Opts) ->
+%% {ok, UnPurged} |
%% restart_new_emulator |
%% {error, Error}
%% {'EXIT', Reason}
@@ -299,9 +300,13 @@ check_script(Script, LibDirs) ->
%% net_kernel:monitor_nodes(true) before calling this function.
%% No! No other process than the release_handler can ever call this
%% function, if sync_nodes is used.
-%%-----------------------------------------------------------------
-eval_script(Script, Apps, LibDirs, Opts) ->
- catch release_handler_1:eval_script(Script, Apps, LibDirs, Opts).
+%%
+%% LibDirs is a list of all applications, while NewLibs is a list of
+%% applications that have changed version between the current and the
+%% new release.
+%% -----------------------------------------------------------------
+eval_script(Script, Apps, LibDirs, NewLibs, Opts) ->
+ catch release_handler_1:eval_script(Script, Apps, LibDirs, NewLibs, Opts).
%%-----------------------------------------------------------------
%% Func: create_RELEASES(Root, RelFile, LibDirs) -> ok | {error, Reason}
@@ -405,6 +410,7 @@ eval_appup_script(App, ToVsn, ToDir, Script) ->
Res = release_handler_1:eval_script(Script,
[], % [AppSpec]
[{App, ToVsn, ToDir}],
+ [{App, ToVsn, ToDir}],
[]), % [Opt]
case Res of
{ok, _Unpurged} ->
@@ -906,7 +912,9 @@ do_install_release(#state{start_prg = StartPrg,
EnvBefore = application_controller:prep_config_change(),
Apps = change_appl_data(RelDir, Release, Masters),
LibDirs = Release#release.libs,
- case eval_script(Script, Apps, LibDirs, Opts) of
+ NewLibs = get_new_libs(LatestRelease#release.libs,
+ Release#release.libs),
+ case eval_script(Script, Apps, LibDirs, NewLibs, Opts) of
{ok, []} ->
application_controller:config_change(EnvBefore),
mon_nodes(false),
@@ -1946,3 +1954,25 @@ safe_write_file_m(File, Data, Masters) ->
filename:basename(File),
filename:basename(Backup)}})
end.
+
+%%-----------------------------------------------------------------
+%% Figure out which applications that have changed version between the
+%% two releases. The paths for these applications must always be
+%% updated, even if the relup script does not load any modules. See
+%% OTP-9402.
+%%
+%% A different situation is when the same application version is used
+%% in old and new release, but the path has changed. This is not
+%% handled here - instead it must be explicitely indicated by the
+%% 'update_paths' option to release_handler:install_release/2 if the
+%% code path shall be updated then.
+%% -----------------------------------------------------------------
+get_new_libs([{App,Vsn,LibDir}|CurrentLibs], NewLibs) ->
+ case lists:keyfind(App,1,NewLibs) of
+ {App,NewVsn,_} = LibInfo when NewVsn =/= Vsn ->
+ [LibInfo | get_new_libs(CurrentLibs,NewLibs)];
+ _ ->
+ get_new_libs(CurrentLibs,NewLibs)
+ end;
+get_new_libs([],_) ->
+ [].
diff --git a/lib/sasl/src/release_handler_1.erl b/lib/sasl/src/release_handler_1.erl
index 8d050fb7b0..3d6bc9fbc3 100644
--- a/lib/sasl/src/release_handler_1.erl
+++ b/lib/sasl/src/release_handler_1.erl
@@ -19,7 +19,7 @@
-module(release_handler_1).
%% External exports
--export([eval_script/3, eval_script/4, check_script/2]).
+-export([eval_script/1, eval_script/5, check_script/2]).
-export([get_current_vsn/1]). %% exported because used in a test case
-record(eval_state, {bins = [], stopped = [], suspended = [], apps = [],
@@ -37,7 +37,7 @@
%% is kept in case of a downgrade, where the code_change
%% function receives the vsn of the module to downgrade
%% *to*.
-%% newlibs = [{Lib, Dir}] - list of all new libs; used to change
+%% newlibs = [{Lib, LibVsn, LibDir}] - list of all new libs; used to change
%% the code path
%% opts = [{Tag, Value}] - list of options
%%-----------------------------------------------------------------
@@ -63,10 +63,11 @@ check_script(Script, LibDirs) ->
{error, {old_processes, Mod}}
end.
-eval_script(Script, Apps, LibDirs) ->
- eval_script(Script, Apps, LibDirs, []).
+%% eval_script/1 - For testing only - no apps added, just testing instructions
+eval_script(Script) ->
+ eval_script(Script, [], [], [], []).
-eval_script(Script, Apps, LibDirs, Opts) ->
+eval_script(Script, Apps, LibDirs, NewLibs, Opts) ->
case catch check_old_processes(Script) of
ok ->
{Before, After} = split_instructions(Script),
@@ -75,6 +76,7 @@ eval_script(Script, Apps, LibDirs, Opts) ->
end,
#eval_state{apps = Apps,
libdirs = LibDirs,
+ newlibs = NewLibs,
opts = Opts},
Before) of
EvalState2 when is_record(EvalState2, eval_state) ->
@@ -214,13 +216,12 @@ check_old_code(Mod) ->
%%-----------------------------------------------------------------
eval({load_object_code, {Lib, LibVsn, Modules}}, EvalState) ->
case lists:keysearch(Lib, 1, EvalState#eval_state.libdirs) of
- {value, {Lib, LibVsn, LibDir}} ->
- Ebin = filename:join(LibDir, "ebin"),
+ {value, {Lib, LibVsn, LibDir} = LibInfo} ->
Ext = code:objfile_extension(),
{NewBins, NewVsns} =
lists:foldl(fun(Mod, {Bins, Vsns}) ->
File = lists:concat([Mod, Ext]),
- FName = filename:join(Ebin, File),
+ FName = filename:join([LibDir, "ebin", File]),
case erl_prim_loader:get_file(FName) of
{ok, Bin, FName2} ->
NVsns = add_new_vsn(Mod, Bin, Vsns),
@@ -232,7 +233,7 @@ eval({load_object_code, {Lib, LibVsn, Modules}}, EvalState) ->
{EvalState#eval_state.bins,
EvalState#eval_state.vsns},
Modules),
- NewLibs = [{Lib, Ebin} | EvalState#eval_state.newlibs],
+ NewLibs = lists:keystore(Lib,1,EvalState#eval_state.newlibs,LibInfo),
EvalState#eval_state{bins = NewBins,
newlibs = NewLibs,
vsns = NewVsns};
@@ -242,15 +243,14 @@ eval({load_object_code, {Lib, LibVsn, Modules}}, EvalState) ->
eval(point_of_no_return, EvalState) ->
Libs = case get_opt(update_paths, EvalState, false) of
false ->
- EvalState#eval_state.newlibs; % [{Lib, Path}]
+ EvalState#eval_state.newlibs;
true ->
- lists:map(fun({Lib, _LibVsn, LibDir}) ->
- Ebin= filename:join(LibDir,"ebin"),
- {Lib, Ebin}
- end,
- EvalState#eval_state.libdirs)
+ EvalState#eval_state.libdirs
end,
- lists:foreach(fun({Lib, Path}) -> code:replace_path(Lib, Path) end,
+ lists:foreach(fun({Lib, _LibVsn, LibDir}) ->
+ Ebin = filename:join(LibDir,"ebin"),
+ code:replace_path(Lib, Ebin)
+ end,
Libs),
EvalState;
eval({load, {Mod, _PrePurgeMethod, PostPurgeMethod}}, EvalState) ->