diff options
| -rw-r--r-- | lib/kernel/doc/src/config.xml | 9 | ||||
| -rw-r--r-- | lib/kernel/src/application_controller.erl | 30 | ||||
| -rw-r--r-- | lib/kernel/test/application_SUITE.erl | 41 |
3 files changed, 67 insertions, 13 deletions
diff --git a/lib/kernel/doc/src/config.xml b/lib/kernel/doc/src/config.xml index 8850c1736b..3f01170508 100644 --- a/lib/kernel/doc/src/config.xml +++ b/lib/kernel/doc/src/config.xml @@ -86,8 +86,13 @@ <tag><c>File = string()</c></tag> <item>Name of another <c>.config</c> file. Extension <c>.config</c> can be omitted. It is - recommended to use absolute paths. A relative path is - relative the current working directory of the emulator.</item> + recommended to use absolute paths. If a relative path is used, + <c>File</c> is searched, first, relative from <c>sys.config</c> directory, then relative + to the current working directory of the emulator, for backward compatibility. + This allow to use a <c>sys.config</c> pointing out other <c>.config</c> files in a release + or in a node started manually using <c>-config ...</c> with same result whatever + the current working directory. + </item> </taglist> <p>When traversing the contents of <c>sys.config</c> and a filename is encountered, its contents are read and merged with the result diff --git a/lib/kernel/src/application_controller.erl b/lib/kernel/src/application_controller.erl index 0dad6ae935..a074d2e74b 100644 --- a/lib/kernel/src/application_controller.erl +++ b/lib/kernel/src/application_controller.erl @@ -1814,8 +1814,9 @@ check_conf() -> %% Therefore read and merge contents. if BFName =:= "sys" -> + DName = filename:dirname(FName), {ok, SysEnv, Errors} = - check_conf_sys(NewEnv), + check_conf_sys(NewEnv, [], [], DName), %% Report first error, if any, and %% terminate @@ -1837,20 +1838,31 @@ check_conf() -> end. check_conf_sys(Env) -> - check_conf_sys(Env, [], []). + check_conf_sys(Env, [], [], []). -check_conf_sys([File|T], SysEnv, Errors) when is_list(File) -> +check_conf_sys([File|T], SysEnv, Errors, DName) when is_list(File),is_list(DName) -> BFName = filename:basename(File, ".config"), FName = filename:join(filename:dirname(File), BFName ++ ".config"), - case load_file(FName) of + LName = case filename:pathtype(FName) of + relative when (DName =/= []) -> + % Check if relative to sys.config dir otherwise use legacy mode, + % i.e relative to cwd. + RName = filename:join(DName, FName), + case erl_prim_loader:read_file_info(RName) of + {ok, _} -> RName ; + error -> FName + end; + _ -> FName + end, + case load_file(LName) of {ok, NewEnv} -> - check_conf_sys(T, merge_env(SysEnv, NewEnv), Errors); + check_conf_sys(T, merge_env(SysEnv, NewEnv), Errors, DName); {error, {Line, _Mod, Str}} -> - check_conf_sys(T, SysEnv, [{error, {FName, Line, Str}}|Errors]) + check_conf_sys(T, SysEnv, [{error, {LName, Line, Str}}|Errors], DName) end; -check_conf_sys([Tuple|T], SysEnv, Errors) -> - check_conf_sys(T, merge_env(SysEnv, [Tuple]), Errors); -check_conf_sys([], SysEnv, Errors) -> +check_conf_sys([Tuple|T], SysEnv, Errors, DName) -> + check_conf_sys(T, merge_env(SysEnv, [Tuple]), Errors, DName); +check_conf_sys([], SysEnv, Errors, _) -> {ok, SysEnv, lists:reverse(Errors)}. load_file(File) -> diff --git a/lib/kernel/test/application_SUITE.erl b/lib/kernel/test/application_SUITE.erl index 988f26280f..3d07d6d70d 100644 --- a/lib/kernel/test/application_SUITE.erl +++ b/lib/kernel/test/application_SUITE.erl @@ -37,7 +37,8 @@ -export([config_change/1, persistent_env/1, distr_changed_tc1/1, distr_changed_tc2/1, ensure_started/1, ensure_all_started/1, - shutdown_func/1, do_shutdown/1, shutdown_timeout/1, shutdown_deadlock/1]). + shutdown_func/1, do_shutdown/1, shutdown_timeout/1, shutdown_deadlock/1, + config_relative_paths/1]). -define(TESTCASE, testcase_name). -define(testcase, proplists:get_value(?TESTCASE, Config)). @@ -55,7 +56,7 @@ all() -> script_start, nodedown_start, permit_false_start_local, permit_false_start_dist, get_key, get_env, ensure_all_started, {group, distr_changed}, config_change, shutdown_func, shutdown_timeout, - shutdown_deadlock, + shutdown_deadlock, config_relative_paths, persistent_env]. groups() -> @@ -2075,6 +2076,42 @@ shutdown_deadlock(Config) when is_list(Config) -> %%----------------------------------------------------------------- +%% Relative paths in sys.config +%%----------------------------------------------------------------- +config_relative_paths(Config) -> + Dir = ?config(priv_dir,Config), + SubDir = filename:join(Dir,"subdir"), + Sys = filename:join(SubDir,"sys.config"), + ok = filelib:ensure_dir(Sys), + ok = file:write_file(Sys,"[\"../up.config\",\"current\"].\n"), + + Up = filename:join(Dir,"up.config"), + ok = file:write_file(Up,"[{app1,[{key1,value}]}].\n"), + + {ok,Cwd} = file:get_cwd(), + Current1 = filename:join(Cwd,"current.config"), + ok = file:write_file(Current1,"[{app1,[{key2,value1}]}].\n"), + + N1 = list_to_atom(lists:concat([?FUNCTION_NAME,"_1"])), + {ok,Node1} = start_node(N1,filename:rootname(Sys)), + ok = rpc:call(Node1, application, load, [app1()]), + {ok, value} = rpc:call(Node1, application, get_env,[app1,key1]), + {ok, value1} = rpc:call(Node1, application, get_env,[app1,key2]), + + Current2 = filename:join(SubDir,"current.config"), + ok = file:write_file(Current2,"[{app1,[{key2,value2}]}].\n"), + + N2 = list_to_atom(lists:concat([?FUNCTION_NAME,"_2"])), + {ok, Node2} = start_node(N2,filename:rootname(Sys)), + ok = rpc:call(Node2, application, load, [app1()]), + {ok, value} = rpc:call(Node2, application, get_env,[app1,key1]), + {ok, value2} = rpc:call(Node2, application, get_env,[app1,key2]), + + stop_node_nice([Node1,Node2]), + + ok. + +%%----------------------------------------------------------------- %% Utility functions %%----------------------------------------------------------------- app0() -> |