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refactor(emqx_config): apply cluster|local overrides on top of base

This commit is contained in:
Zaiming (Stone) Shi 2022-01-24 10:59:15 +01:00
parent bfbc87aaca
commit f1937e261c
1 changed files with 10 additions and 6 deletions
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16
apps/emqx/src/emqx_config.erl
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@ -271,11 +271,16 @@ init_load(SchemaMod, Conf) when is_list(Conf) orelse is_binary(Conf) ->
end;
init_load(SchemaMod, RawConf) when is_map(RawConf) ->
ok = save_schema_mod_and_names(SchemaMod),
%% check configs agains the schema, with environment variables applied on top
{_AppEnvs, CheckedConf} =
check_config(SchemaMod, RawConf, #{apply_override_envs => true}),
%% fill default values for raw config
%% Merge environment varialbe overrides on top
RawConfWithEnvs = merge_envs(SchemaMod, RawConf),
ClusterOverrides = read_override_conf(#{override_to => cluster}),
LocalOverrides = read_override_conf(#{override_to => local}),
Overrides = hocon:deep_merge(ClusterOverrides, LocalOverrides),
%% TODO: log overrides
RawConfWithOverrides = hocon:deep_merge(RawConfWithEnvs, Overrides),
%% check configs against the schema
{_AppEnvs, CheckedConf} =
check_config(SchemaMod, RawConfWithOverrides , #{}),
RootNames = get_root_names(),
ok = save_to_config_map(maps:with(get_atom_root_names(), CheckedConf),
maps:with(RootNames, RawConfWithEnvs)).
@ -284,8 +289,7 @@ include_dirs() ->
[filename:join(emqx:data_dir(), "configs")].
merge_envs(SchemaMod, RawConf) ->
Opts = #{logger => fun(_, _) -> ok end, %% everything should have been logged already when check_config
nullable => true, %% TODO: evil, remove, nullable should be declared in schema
Opts = #{nullable => true, %% TODO: evil, remove, nullable should be declared in schema
format => map,
apply_override_envs => true
},