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fix(machine): some apps not restarted after joining into the cluster

This commit is contained in:
Shawn 2021-12-30 21:53:32 +08:00
parent a42ab3d9da
commit 626a4c4713
1 changed files with 20 additions and 9 deletions
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29
apps/emqx_machine/src/emqx_machine_boot.erl
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@ -96,7 +96,6 @@ reboot_apps() ->
, emqx_resource
, emqx_rule_engine
, emqx_bridge
, emqx_bridge_mqtt
, emqx_plugin_libs
, emqx_management
, emqx_retainer
@ -112,17 +111,17 @@ sorted_reboot_apps() ->
app_deps(App) ->
case application:get_key(App, applications) of
undefined -> [];
undefined -> undefined;
{ok, List} -> lists:filter(fun(A) -> lists:member(A, reboot_apps()) end, List)
end.
sorted_reboot_apps(Apps) ->
G = digraph:new(),
try
lists:foreach(fun({App, Deps}) -> add_app(G, App, Deps) end, Apps),
NoDepApps = add_apps_to_digraph(G, Apps),
case digraph_utils:topsort(G) of
Sorted when is_list(Sorted) ->
Sorted;
Sorted ++ (NoDepApps -- Sorted);
false ->
Loops = find_loops(G),
error({circular_application_dependency, Loops})
@ -131,17 +130,29 @@ sorted_reboot_apps(Apps) ->
digraph:delete(G)
end.
add_app(G, App, undefined) ->
add_apps_to_digraph(G, Apps) ->
lists:foldl(fun
({App, undefined}, Acc) ->
?SLOG(debug, #{msg => "app_is_not_loaded", app => App}),
Acc;
({App, []}, Acc) ->
Acc ++ [App]; %% use '++' to keep the original order
({App, Deps}, Acc) ->
add_app_deps_to_digraph(G, App, Deps),
Acc
end, [], Apps).
add_app_deps_to_digraph(G, App, undefined) ->
?SLOG(debug, #{msg => "app_is_not_loaded", app => App}),
%% not loaded
add_app(G, App, []);
add_app(_G, _App, []) ->
add_app_deps_to_digraph(G, App, []);
add_app_deps_to_digraph(_G, _App, []) ->
ok;
add_app(G, App, [Dep | Deps]) ->
add_app_deps_to_digraph(G, App, [Dep | Deps]) ->
digraph:add_vertex(G, App),
digraph:add_vertex(G, Dep),
digraph:add_edge(G, Dep, App), %% dep -> app as dependency
add_app(G, App, Deps).
add_app_deps_to_digraph(G, App, Deps).
find_loops(G) ->
lists:filtermap(