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refactor(relup): don't collect relvsn -> appvsn mappings

This commit is contained in:
Shawn 2022-03-01 22:01:00 +08:00
parent 7698ad7c4b
commit 41afbd2b13
6 changed files with 107 additions and 118 deletions
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3
build
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@ -136,6 +136,9 @@ make_zip() {
local tarball="${relpath}/${tarname}" local tarball="${relpath}/${tarname}"
local target_zip="${pkgpath}/${pkgname}" local target_zip="${pkgpath}/${pkgname}"
tar zxf "${tarball}" -C "${tard}/emqx" tar zxf "${tarball}" -C "${tard}/emqx"
if ! [[ $SYSTEM == windows* ]]; then
./scripts/inject-relup.escript "${tard}/emqx/releases/${PKG_VSN}/relup"
fi
cp_dyn_libs "${tard}/emqx" cp_dyn_libs "${tard}/emqx"
pushd "${tard}" >/dev/null pushd "${tard}" >/dev/null
case "$SYSTEM" in case "$SYSTEM" in

11
rebar.config.erl
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@ -128,34 +128,23 @@ prod_compile_opts() ->
prod_overrides() -> prod_overrides() ->
[{add, [ {erl_opts, [deterministic]}]}]. [{add, [ {erl_opts, [deterministic]}]}].
relup_deps(Profile, Vsn) ->
InjectCmd = "scripts/inject-relup.escript " ++ filename:join(["_build", Profile, "rel", "emqx"]) ++ " " ++ Vsn,
{post_hooks,
[ {"(linux|darwin|solaris|freebsd|netbsd|openbsd)", relup, InjectCmd}
]
}.
profiles() -> profiles() ->
Vsn = get_vsn(), Vsn = get_vsn(),
[ {'emqx', [ {erl_opts, prod_compile_opts()} [ {'emqx', [ {erl_opts, prod_compile_opts()}
, {relx, relx(Vsn, cloud, bin)} , {relx, relx(Vsn, cloud, bin)}
, {overrides, prod_overrides()} , {overrides, prod_overrides()}
, relup_deps('emqx', Vsn)
]} ]}
, {'emqx-pkg', [ {erl_opts, prod_compile_opts()} , {'emqx-pkg', [ {erl_opts, prod_compile_opts()}
, {relx, relx(Vsn, cloud, pkg)} , {relx, relx(Vsn, cloud, pkg)}
, {overrides, prod_overrides()} , {overrides, prod_overrides()}
, relup_deps('emqx-pkg', Vsn)
]} ]}
, {'emqx-edge', [ {erl_opts, prod_compile_opts()} , {'emqx-edge', [ {erl_opts, prod_compile_opts()}
, {relx, relx(Vsn, edge, bin)} , {relx, relx(Vsn, edge, bin)}
, {overrides, prod_overrides()} , {overrides, prod_overrides()}
, relup_deps('emqx-edge', Vsn)
]} ]}
, {'emqx-edge-pkg', [ {erl_opts, prod_compile_opts()} , {'emqx-edge-pkg', [ {erl_opts, prod_compile_opts()}
, {relx, relx(Vsn, edge, pkg)} , {relx, relx(Vsn, edge, pkg)}
, {overrides, prod_overrides()} , {overrides, prod_overrides()}
, relup_deps('emqx-edge-pkg', Vsn)
]} ]}
, {check, [ {erl_opts, common_compile_opts()} , {check, [ {erl_opts, common_compile_opts()}
]} ]}

165
scripts/inject-relup.escript
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@ -8,34 +8,27 @@
-define(INFO(FORMAT, ARGS), io:format(user, "[inject-relup] " ++ FORMAT ++ "~n", ARGS)). -define(INFO(FORMAT, ARGS), io:format(user, "[inject-relup] " ++ FORMAT ++ "~n", ARGS)).
usage() -> usage() ->
"Usage: " ++ escript:script_name() ++ " <path-to-release-dir> <release-vsn>". "Usage: " ++ escript:script_name() ++ " <path-to-relup-file>".
main([RelRootDir, CurrRelVsn]) -> main([RelupFile]) ->
case filelib:is_dir(filename:join([RelRootDir, "releases"])) andalso case filelib:is_regular(RelupFile) of
filelib:is_dir(filename:join([RelRootDir, "lib"])) of
true -> true ->
EmqxAppVsns = get_emqx_app_vsns(RelRootDir), ok = inject_relup_file(RelupFile);
ok = inject_relup_file(RelRootDir, CurrRelVsn, EmqxAppVsns);
false -> false ->
?ERROR("not a valid root dir of release: ~p, for example: _build/emqx/rel/emqx", ?ERROR("not a valid file: ~p", [RelupFile]),
[RelRootDir]),
erlang:halt(1) erlang:halt(1)
end; end;
main(_Args) -> main(_Args) ->
?ERROR("~s", [usage()]), ?ERROR("~s", [usage()]),
erlang:halt(1). erlang:halt(1).
inject_relup_file(RelRootDir, CurrRelVsn, EmqxAppVsns) -> inject_relup_file(File) ->
RelupFile = filename:join([RelRootDir, "releases", CurrRelVsn, "relup"]),
inject_file(RelupFile, EmqxAppVsns).
inject_file(File, EmqxAppVsns) ->
case file:script(File) of case file:script(File) of
{ok, {CurrRelVsn, UpVsnRUs, DnVsnRUs}} -> {ok, {CurrRelVsn, UpVsnRUs, DnVsnRUs}} ->
?INFO("injecting instructions to: ~p", [File]), ?INFO("injecting instructions to: ~p", [File]),
UpdatedContent = {CurrRelVsn, UpdatedContent = {CurrRelVsn,
inject_relup_instrs(up, EmqxAppVsns, CurrRelVsn, UpVsnRUs), inject_relup_instrs(up, UpVsnRUs),
inject_relup_instrs(down, EmqxAppVsns, CurrRelVsn, DnVsnRUs)}, inject_relup_instrs(down, DnVsnRUs)},
file:write_file(File, term_to_text(UpdatedContent)); file:write_file(File, term_to_text(UpdatedContent));
{ok, _BadFormat} -> {ok, _BadFormat} ->
?ERROR("bad formatted relup file: ~p", [File]), ?ERROR("bad formatted relup file: ~p", [File]),
@ -48,101 +41,77 @@ inject_file(File, EmqxAppVsns) ->
error({read_relup_error, Reason}) error({read_relup_error, Reason})
end. end.
inject_relup_instrs(Type, EmqxAppVsns, CurrRelVsn, RUs) -> inject_relup_instrs(Type, RUs) ->
lists:map(fun lists:map(fun({Vsn, Desc, Instrs}) ->
({Vsn, "(relup-injected) " ++ _ = Desc, Instrs}) -> %% already injected {Vsn, Desc, append_emqx_relup_instrs(Type, Vsn, Instrs)}
{Vsn, Desc, Instrs};
({Vsn, Desc, Instrs}) ->
{Vsn, "(relup-injected) " ++ Desc,
append_emqx_relup_instrs(Type, EmqxAppVsns, CurrRelVsn, Vsn, Instrs)}
end, RUs). end, RUs).
%% The `{apply, emqx_relup, post_release_upgrade, []}` will be appended to the end of %% The `{apply, emqx_relup, post_release_upgrade, []}` will be appended to the end of
%% the instruction lists. %% the instruction lists.
append_emqx_relup_instrs(up, EmqxAppVsns, CurrRelVsn, FromRelVsn, Instrs0) -> append_emqx_relup_instrs(up, FromRelVsn, Instrs0) ->
{EmqxVsn, true} = maps:get(CurrRelVsn, EmqxAppVsns),
Extra = #{}, %% we may need some extended args Extra = #{}, %% we may need some extended args
LoadObjEmqxMods = {load_object_code, {emqx, EmqxVsn, [emqx_relup, emqx_app]}}, filter_and_check_instrs(up, Instrs0) ++
LoadCodeEmqxRelup = {load, {emqx_relup, brutal_purge, soft_purge}}, [ {load, {emqx_app, brutal_purge, soft_purge}}
LoadCodeEmqxApp = {load, {emqx_app, brutal_purge, soft_purge}}, , {load, {emqx_relup, brutal_purge, soft_purge}}
ApplyEmqxRelup = {apply, {emqx_relup, post_release_upgrade, [FromRelVsn, Extra]}}, , {apply, {emqx_relup, post_release_upgrade, [FromRelVsn, Extra]}}
Instrs1 = Instrs0 -- [LoadCodeEmqxRelup, LoadCodeEmqxApp],
%% we have to put 'load_object_code' before 'point_of_no_return'
%% so here we simply put them to the beginning of the instruction list
Instrs2 = [ LoadObjEmqxMods
| Instrs1],
%% the `load` must be put after the 'point_of_no_return'
Instrs2 ++
[ LoadCodeEmqxRelup
, LoadCodeEmqxApp
, ApplyEmqxRelup
]; ];
append_emqx_relup_instrs(down, EmqxAppVsns, _CurrRelVsn, ToRelVsn, Instrs0) -> append_emqx_relup_instrs(down, ToRelVsn, Instrs0) ->
Extra = #{}, %% we may need some extended args Extra = #{}, %% we may need some extended args
ApplyEmqxRelup = {apply, {emqx_relup, post_release_downgrade, [ToRelVsn, Extra]}}, %% NOTE: When downgrading, we apply emqx_relup:post_release_downgrade/2 before reloading
case maps:get(ToRelVsn, EmqxAppVsns) of %% or removing the emqx_relup module.
{EmqxVsn, true} -> Instrs1 = filter_and_check_instrs(down, Instrs0) ++
LoadObjEmqxMods = {load_object_code, {emqx, EmqxVsn, [emqx_relup, emqx_app]}}, [ {load, {emqx_app, brutal_purge, soft_purge}}
LoadCodeEmqxRelup = {load, {emqx_relup, brutal_purge, soft_purge}}, , {apply, {emqx_relup, post_release_downgrade, [ToRelVsn, Extra]}}
LoadCodeEmqxApp = {load, {emqx_app, brutal_purge, soft_purge}}, ],
Instrs1 = Instrs0 -- [LoadCodeEmqxRelup, LoadCodeEmqxApp, ApplyEmqxRelup], %% emqx_relup does not exist before release "4.4.2"
Instrs2 = [ LoadObjEmqxMods LoadInsts =
| Instrs1], case ToRelVsn of
%% NOTE: We apply emqx_relup:post_release_downgrade/2 first, and then reload ToRelVsn when ToRelVsn =:= "4.4.1"; ToRelVsn =:= "4.4.0" ->
%% the old vsn code of emqx_relup. [{remove, {emqx_relup, brutal_purge, brutal_purge}}];
Instrs2 ++ _ ->
[ LoadCodeEmqxApp [{load, {emqx_relup, brutal_purge, soft_purge}}]
, ApplyEmqxRelup end,
, LoadCodeEmqxRelup Instrs1 ++ LoadInsts.
];
{EmqxVsn, false} -> filter_and_check_instrs(Type, Instrs) ->
LoadObjEmqxApp = {load_object_code, {emqx, EmqxVsn, [emqx_app]}}, case take_emqx_vsn_and_modules(Instrs) of
LoadCodeEmqxApp = {load, {emqx_app, brutal_purge, soft_purge}}, {EmqxAppVsn, EmqxMods, RemainInstrs} when EmqxAppVsn =/= not_found, EmqxMods =/= [] ->
RemoveCodeEmqxRelup = {remove, {emqx_relup, brutal_purge, soft_purge}}, assert_mandatory_modules(Type, EmqxMods),
Instrs1 = Instrs0 -- [LoadCodeEmqxApp, RemoveCodeEmqxRelup, ApplyEmqxRelup], [{load_object_code, {emqx, EmqxAppVsn, EmqxMods}} | RemainInstrs];
Instrs2 = [ LoadObjEmqxApp {_, _, _} ->
| Instrs1], ?ERROR("cannot found 'load_module' instructions for app emqx", []),
Instrs2 ++ error({instruction_not_found, load_object_code})
[ LoadCodeEmqxApp
, ApplyEmqxRelup
, RemoveCodeEmqxRelup
]
end. end.
get_emqx_app_vsns(RelRootDir) -> take_emqx_vsn_and_modules(Instrs) ->
RelFiles = filelib:wildcard(filename:join([RelRootDir, "releases", "*", "emqx.rel"])), lists:foldl(fun
lists:foldl(fun(RelFile, AppVsns) -> ({load_object_code, {emqx, AppVsn, Mods}}, {_EmqxAppVsn, EmqxMods, RemainInstrs}) ->
{ok, RelVsn, EmqxVsn} = read_emqx_vsn_from_rel_file(RelFile), {AppVsn, EmqxMods ++ Mods, RemainInstrs};
AppVsns#{RelVsn => {EmqxVsn, has_relup_module(RelRootDir, EmqxVsn)}} ({load, {Mod, _, _}}, {EmqxAppVsn, EmqxMods, RemainInstrs})
end, #{}, RelFiles). when Mod =:= emqx_relup; Mod =:= emqx_app ->
{EmqxAppVsn, EmqxMods, RemainInstrs};
({remove, {emqx_relup, _, _}}, {EmqxAppVsn, EmqxMods, RemainInstrs}) ->
{EmqxAppVsn, EmqxMods, RemainInstrs};
({apply, {emqx_relup, _, _}}, {EmqxAppVsn, EmqxMods, RemainInstrs}) ->
{EmqxAppVsn, EmqxMods, RemainInstrs};
(Instr, {EmqxAppVsn, EmqxMods, RemainInstrs}) ->
{EmqxAppVsn, EmqxMods, RemainInstrs ++ [Instr]}
end, {not_found, [], []}, Instrs).
read_emqx_vsn_from_rel_file(RelFile) -> assert_mandatory_modules(up, Mods) ->
case file:script(RelFile) of assert(lists:member(emqx_relup, Mods) andalso lists:member(emqx_app, Mods),
{ok, {release, {_RelName, RelVsn}, _Erts, Apps}} -> "cannot found 'load_module' instructions for emqx_app and emqx_rel: ~p", [Mods]);
case lists:keysearch(emqx, 1, Apps) of
{value, {emqx, EmqxVsn}} ->
{ok, RelVsn, EmqxVsn};
false ->
error({emqx_vsn_cannot_found, RelFile})
end;
{ok, _BadFormat} ->
?ERROR("bad formatted .rel file: ~p", [RelFile]);
{error, Reason} ->
?ERROR("read .rel file ~p failed: ~p", [RelFile, Reason])
end.
has_relup_module(RelRootDir, EmqxVsn) -> assert_mandatory_modules(down, Mods) ->
AppFile = filename:join([RelRootDir, "lib", "emqx-" ++ EmqxVsn, "ebin", "emqx.app"]), assert(lists:member(emqx_app, Mods),
case file:script(AppFile) of "cannot found 'load_module' instructions for emqx_app", []).
{ok, {application, emqx, AppInfo}} ->
{value, {_, EmqxVsn}} = lists:keysearch(vsn, 1, AppInfo), %% assert assert(true, _, _) ->
{value, {_, Modules}} = lists:keysearch(modules, 1, AppInfo), ok;
lists:member(emqx_relup, Modules); assert(false, Msg, Args) ->
{error, Reason} -> ?ERROR(Msg, Args),
?ERROR("read .app file ~p failed: ~p", [AppFile, Reason]), error(assert_failed).
error({read_app_file_error, AppFile, Reason})
end.
term_to_text(Term) -> term_to_text(Term) ->
io_lib:format("~p.", [Term]). io_lib:format("~p.", [Term]).

14
src/emqx.appup.src
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@ -1,7 +1,9 @@
%% -*- mode: erlang -*- %% -*- mode: erlang -*-
{VSN, {VSN,
[{"4.4.1", [{"4.4.1",
[{load_module,emqx_os_mon,brutal_purge,soft_purge,[]}, [{load_module,emqx_app,brutal_purge,soft_purge,[]},
{add_module,emqx_relup},
{load_module,emqx_os_mon,brutal_purge,soft_purge,[]},
{load_module,emqx_pmon,brutal_purge,soft_purge,[]}, {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
{load_module,emqx_cm,brutal_purge,soft_purge,[]}, {load_module,emqx_cm,brutal_purge,soft_purge,[]},
{load_module,emqx_sys_mon,brutal_purge,soft_purge,[]}, {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
@ -10,7 +12,8 @@
{load_module,emqx_ctl,brutal_purge,soft_purge,[]}, {load_module,emqx_ctl,brutal_purge,soft_purge,[]},
{load_module,emqx_channel,brutal_purge,soft_purge,[]}]}, {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
{"4.4.0", {"4.4.0",
[{load_module,emqx_pmon,brutal_purge,soft_purge,[]}, [{add_module,emqx_relup},
{load_module,emqx_pmon,brutal_purge,soft_purge,[]},
{load_module,emqx_cm,brutal_purge,soft_purge,[]}, {load_module,emqx_cm,brutal_purge,soft_purge,[]},
{load_module,emqx_sys_mon,brutal_purge,soft_purge,[]}, {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
{load_module,emqx_vm_mon,brutal_purge,soft_purge,[]}, {load_module,emqx_vm_mon,brutal_purge,soft_purge,[]},
@ -31,7 +34,9 @@
{load_module,emqx_limiter,brutal_purge,soft_purge,[]}]}, {load_module,emqx_limiter,brutal_purge,soft_purge,[]}]},
{<<".*">>,[]}], {<<".*">>,[]}],
[{"4.4.1", [{"4.4.1",
[{load_module,emqx_os_mon,brutal_purge,soft_purge,[]}, [{load_module,emqx_app,brutal_purge,soft_purge,[]},
{delete_module,emqx_relup},
{load_module,emqx_os_mon,brutal_purge,soft_purge,[]},
{load_module,emqx_pmon,brutal_purge,soft_purge,[]}, {load_module,emqx_pmon,brutal_purge,soft_purge,[]},
{load_module,emqx_cm,brutal_purge,soft_purge,[]}, {load_module,emqx_cm,brutal_purge,soft_purge,[]},
{load_module,emqx_sys_mon,brutal_purge,soft_purge,[]}, {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
@ -40,7 +45,8 @@
{load_module,emqx_ctl,brutal_purge,soft_purge,[]}, {load_module,emqx_ctl,brutal_purge,soft_purge,[]},
{load_module,emqx_channel,brutal_purge,soft_purge,[]}]}, {load_module,emqx_channel,brutal_purge,soft_purge,[]}]},
{"4.4.0", {"4.4.0",
[{load_module,emqx_pmon,brutal_purge,soft_purge,[]}, [{delete_module,emqx_relup},
{load_module,emqx_pmon,brutal_purge,soft_purge,[]},
{load_module,emqx_cm,brutal_purge,soft_purge,[]}, {load_module,emqx_cm,brutal_purge,soft_purge,[]},
{load_module,emqx_sys_mon,brutal_purge,soft_purge,[]}, {load_module,emqx_sys_mon,brutal_purge,soft_purge,[]},
{load_module,emqx_vm_mon,brutal_purge,soft_purge,[]}, {load_module,emqx_vm_mon,brutal_purge,soft_purge,[]},

30
src/emqx_relup.erl
View File

@ -1,5 +1,25 @@
%%--------------------------------------------------------------------
%% Copyright (c) 2017-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_relup). -module(emqx_relup).
%% NOTE: DO NOT remove this `-include`.
%% We use this to forece this module to upgraded every release.
-include("emqx_release.hrl").
-export([ post_release_upgrade/2 -export([ post_release_upgrade/2
, post_release_downgrade/2 , post_release_downgrade/2
]). ]).
@ -8,13 +28,15 @@
-define(INFO(FORMAT, ARGS), io:format("[emqx_relup] " ++ FORMAT ++ "~n", ARGS)). -define(INFO(FORMAT, ARGS), io:format("[emqx_relup] " ++ FORMAT ++ "~n", ARGS)).
%% what to do after upgraded from a old release vsn. %% what to do after upgraded from a old release vsn.
post_release_upgrade(_FromRelVsn, _) -> post_release_upgrade(FromRelVsn, _) ->
?INFO("emqx has been upgraded to ~s", [emqx_app:get_release()]), {_, CurrRelVsn} = ?EMQX_RELEASE,
?INFO("emqx has been upgraded to from ~s to ~s!", [FromRelVsn, CurrRelVsn]),
reload_components(). reload_components().
%% what to do after downgraded to a old release vsn. %% what to do after downgraded to a old release vsn.
post_release_downgrade(_ToRelVsn, _) -> post_release_downgrade(ToRelVsn, _) ->
?INFO("emqx has been downgrade to ~s", [emqx_app:get_release()]), {_, CurrRelVsn} = ?EMQX_RELEASE,
?INFO("emqx has been downgraded to from ~s to ~s!", [CurrRelVsn, ToRelVsn]),
reload_components(). reload_components().
-ifdef(EMQX_ENTERPRISE). -ifdef(EMQX_ENTERPRISE).