diff options
-rw-r--r-- | src/rcl_prv_discover.erl | 17 | ||||
-rw-r--r-- | src/rcl_rel_discovery.erl | 166 | ||||
-rw-r--r-- | src/rcl_release.erl | 11 | ||||
-rw-r--r-- | test/rclt_release_SUITE.erl | 74 |
4 files changed, 257 insertions, 11 deletions
diff --git a/src/rcl_prv_discover.erl b/src/rcl_prv_discover.erl index 1ffbece..c5a625d 100644 --- a/src/rcl_prv_discover.erl +++ b/src/rcl_prv_discover.erl @@ -41,11 +41,20 @@ init(State) -> %% @doc recursively dig down into the library directories specified in the state %% looking for OTP Applications -spec do(rcl_state:t()) -> {ok, rcl_state:t()} | relcool:error(). -do(State) -> - LibDirs = get_lib_dirs(State), - case rcl_app_discovery:do(State, LibDirs) of +do(State0) -> + LibDirs = get_lib_dirs(State0), + case rcl_app_discovery:do(State0, LibDirs) of {ok, AppMeta} -> - {ok, rcl_state:available_apps(State, AppMeta)}; + case rcl_rel_discovery:do(State0, LibDirs, AppMeta) of + {ok, Releases} -> + State1 = rcl_state:available_apps(State0, AppMeta), + State3 = lists:foldl(fun(Rel, State2) -> + rcl_state:add_release(State2, Rel) + end, State1, Releases), + {ok, State3}; + Error -> + Error + end; Error -> Error end. diff --git a/src/rcl_rel_discovery.erl b/src/rcl_rel_discovery.erl new file mode 100644 index 0000000..0fbcf23 --- /dev/null +++ b/src/rcl_rel_discovery.erl @@ -0,0 +1,166 @@ +%% -*- erlang-indent-level: 4; indent-tabs-mode: nil; fill-column: 80 -*- +%%% Copyright 2012 Erlware, LLC. All Rights Reserved. +%%% +%%% This file is provided to you 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. +%%%--------------------------------------------------------------------------- +%%% @author Eric Merritt <[email protected]> +%%% @copyright (C) 2012 Erlware, LLC. +%%% +%%% @doc This provider uses the lib_dir setting of the state. It searches the +%%% Lib Dirs looking for all OTP Applications that are available. When it finds +%%% those OTP Applications it loads the information about them and adds them to +%%% the state of available apps. This implements the rcl_provider behaviour. +-module(rcl_rel_discovery). + +-export([do/3, + format_error/1]). + +-include_lib("relcool/include/relcool.hrl"). + +%%============================================================================ +%% API +%%============================================================================ + +%% @doc recursively dig down into the library directories specified in the state +%% looking for OTP Applications +-spec do(rcl_state:t(), [filename:name()], [rcl_app_info:t()]) -> + {ok, [rcl_release:t()]} | relcool:error(). +do(State, LibDirs, AppMeta) -> + rcl_log:info(rcl_state:log(State), + fun() -> + ["Resolving available releases from directories:\n", + [[rcl_util:indent(1), LibDir, "\n"] || LibDir <- LibDirs]] + end), + resolve_rel_metadata(State, LibDirs, AppMeta). + +-spec format_error([ErrorDetail::term()]) -> iolist(). +format_error(ErrorDetails) + when erlang:is_list(ErrorDetails) -> + [[format_detail(ErrorDetail), "\n"] || ErrorDetail <- ErrorDetails]. + +%%%=================================================================== +%%% Internal Functions +%%%=================================================================== +resolve_rel_metadata(State, LibDirs, AppMeta) -> + ReleaseMeta0 = + lists:flatten(ec_plists:map(fun(LibDir) -> + discover_dir([], LibDir, AppMeta) + end, LibDirs)), + Errors = [case El of + {error, Ret} -> Ret; + _ -> El + end + || El <- ReleaseMeta0, + case El of + {error, _} -> + true; + _ -> + false + end], + + case Errors of + [] -> + ReleaseMeta1 = lists:flatten(ReleaseMeta0), + rcl_log:debug(rcl_state:log(State), + fun() -> + ["Resolved the following OTP Releases from the system: \n", + [[rcl_release:format(1, Rel), "\n"] || Rel <- ReleaseMeta1]] + end), + {ok, ReleaseMeta1}; + _ -> + ?RCL_ERROR(Errors) + end. + +-spec format_detail(ErrorDetail::term()) -> iolist(). +format_detail({accessing, File, eaccess}) -> + io_lib:format("permission denied accessing file ~s", [File]); +format_detail({accessing, File, Type}) -> + io_lib:format("error (~p) accessing file ~s", [Type, File]). + +-spec discover_dir([file:name()], file:name(), [rcl_app_info:t()]) -> + [rcl_release:t() | {error, Reason::term()}] + | rcl_release:t() + | {error, Reason::term()}. +discover_dir(IgnoreDirs, File, AppMeta) -> + case (not lists:member(File, IgnoreDirs)) + andalso filelib:is_dir(File) of + true -> + case file:list_dir(File) of + {error, Reason} -> + {error, {accessing, File, Reason}}; + {ok, List} -> + ec_plists:map(fun(LibDir) -> + discover_dir(IgnoreDirs, LibDir, AppMeta) + end, + [filename:join([File, Dir]) || Dir <- List]) + end; + false -> + is_valid_release(File, AppMeta) + end. + +-spec is_valid_release(file:name(), + [rcl_app_info:t()]) -> + rcl_release:t() + | {error, Reason::term()} + | []. +is_valid_release(File, AppMeta) -> + case lists:suffix(".rel", File) of + true -> + resolve_release(File, AppMeta); + false -> + [] + end. + +resolve_release(RelFile, AppMeta) -> + case file:consult(RelFile) of + {ok, [{release, {RelName, RelVsn}, + {erts, ErtsVsn}, + Apps}]} -> + build_release(RelName, RelVsn, ErtsVsn, Apps, AppMeta); + {ok, InvalidRelease} -> + ?RCL_ERROR({invalid_release_information, InvalidRelease}); + {error, Reason} -> + ?RCL_ERROR({unable_to_read, RelFile, Reason}) + end. + +build_release(RelName, RelVsn, ErtsVsn, Apps, AppMeta) -> + Release = rcl_release:erts(rcl_release:new(RelName, RelVsn), + ErtsVsn), + resolve_apps(Apps, AppMeta, Release, []). + +resolve_apps([], _AppMeta, Release, Acc) -> + rcl_release:application_details(Release, Acc); +resolve_apps([AppInfo | Apps], AppMeta, Release, Acc) -> + AppName = erlang:element(1, AppInfo), + AppVsn = erlang:element(2, AppInfo), + case find_app(AppName, AppVsn, AppMeta) of + Error = {error, _} -> + Error; + ResolvedApp -> + resolve_apps(Apps, AppMeta, Release, [ResolvedApp | Acc]) + end. + +find_app(AppName, AppVsn, AppMeta) -> + case ec_lists:find(fun(App) -> + NAppName = rcl_app:name(App), + NAppVsn = rcl_app:version(App), + AppName == NAppName andalso + AppVsn == NAppVsn + end, AppMeta) of + {ok, Head} -> + Head; + error -> + ?RCL_ERROR({could_not_find, {AppName, AppVsn}}) + end. diff --git a/src/rcl_release.erl b/src/rcl_release.erl index 8cd3033..ea20f1f 100644 --- a/src/rcl_release.erl +++ b/src/rcl_release.erl @@ -32,6 +32,7 @@ realize/3, applications/1, application_details/1, + application_details/2, realized/1, metadata/1, format/1, @@ -134,12 +135,18 @@ applications(#release_t{applications=Apps}) -> Apps. %% @doc this gives the rcl_app_info objects representing the applications in -%% this release. These can only be populated by the 'realize' call in this -%% module. +%% this release. These should only be populated by the 'realize' call in this +%% module or by reading an existing rel file. -spec application_details(t()) -> [rcl_app_info:t()]. application_details(#release_t{app_detail=App}) -> App. +%% @doc this is only expected to be called by a process building a new release +%% from an existing rel file. +-spec application_details(t(), [rcl_app_info:t()]) -> t(). +application_details(Release, AppDetail) -> + Release#release_t{app_detail=AppDetail}. + -spec realized(t()) -> boolean(). realized(#release_t{realized=Realized}) -> Realized. diff --git a/test/rclt_release_SUITE.erl b/test/rclt_release_SUITE.erl index 95aa385..1104303 100644 --- a/test/rclt_release_SUITE.erl +++ b/test/rclt_release_SUITE.erl @@ -32,7 +32,8 @@ overlay_release/1, make_goalless_release/1, make_depfree_release/1, - make_invalid_config_release/1]). + make_invalid_config_release/1, + make_relup_release/1]). -include_lib("common_test/include/ct.hrl"). -include_lib("eunit/include/eunit.hrl"). @@ -60,7 +61,7 @@ all() -> [make_release, make_scriptless_release, make_overridden_release, make_implicit_config_release, make_rerun_overridden_release, overlay_release, make_goalless_release, make_depfree_release, - make_invalid_config_release]. + make_invalid_config_release, make_relup_release]. make_release(Config) -> LibDir1 = proplists:get_value(lib1, Config), @@ -178,7 +179,7 @@ make_overridden_release(Config) -> || _ <- lists:seq(1, 100)]], OverrideApp = create_random_name("override_app"), OverrideVsn = create_random_vsn(), - OverrideAppDir = filename:join(OverrideDir1, OverrideApp), + OverrideAppDir = filename:join(OverrideDir1, OverrideApp ++ "-" ++ OverrideVsn), OverrideAppName = erlang:list_to_atom(OverrideApp), create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []), @@ -268,7 +269,8 @@ make_rerun_overridden_release(Config) -> || _ <- lists:seq(1, 100)]], OverrideApp = create_random_name("override_app"), OverrideVsn = create_random_vsn(), - OverrideAppDir = filename:join(OverrideDir1, OverrideApp), + OverrideAppDir = filename:join(OverrideDir1, OverrideApp ++ "-" + ++ OverrideVsn), OverrideAppName = erlang:list_to_atom(OverrideApp), create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []), @@ -500,11 +502,73 @@ make_depfree_release(Config) -> ?assert(lists:keymember(stdlib, 1, AppSpecs)), ?assert(lists:keymember(kernel, 1, AppSpecs)). +make_relup_release(Config) -> + LibDir1 = proplists:get_value(lib1, Config), + [(fun({Name, Vsn}) -> + create_app(LibDir1, Name, Vsn, [kernel, stdlib], []) + end)(App) + || + App <- + [{create_random_name("lib_app1_"), create_random_vsn()} + || _ <- lists:seq(1, 100)]], + + create_app(LibDir1, "goal_app_1", "0.0.1", [stdlib,kernel,non_goal_1], []), + create_app(LibDir1, "goal_app_1", "0.0.2", [stdlib,kernel,non_goal_1], []), + create_app(LibDir1, "goal_app_1", "0.0.3", [stdlib,kernel,non_goal_1], []), + create_app(LibDir1, "lib_dep_1", "0.0.1", [stdlib,kernel], []), + create_app(LibDir1, "goal_app_2", "0.0.1", [stdlib,kernel,goal_app_1,non_goal_2], []), + create_app(LibDir1, "goal_app_2", "0.0.2", [stdlib,kernel,goal_app_1,non_goal_2], []), + create_app(LibDir1, "goal_app_2", "0.0.3", [stdlib,kernel,goal_app_1,non_goal_2], []), + create_app(LibDir1, "non_goal_1", "0.0.1", [stdlib,kernel], [lib_dep_1]), + create_app(LibDir1, "non_goal_2", "0.0.1", [stdlib,kernel], []), + + ConfigFile = filename:join([LibDir1, "relcool.config"]), + write_config(ConfigFile, + [{release, {foo, "0.0.1"}, + [{goal_app_1, "0.0.1"}, + {goal_app_2, "0.0.1"}]}, + {release, {foo, "0.0.2"}, + [{goal_app_1, "0.0.2"}, + {goal_app_2, "0.0.2"}]}, + {release, {foo, "0.0.3"}, + [{goal_app_1, "0.0.3"}, + {goal_app_2, "0.0.3"}]}]), + OutputDir = filename:join([proplists:get_value(data_dir, Config), + create_random_name("relcool-output")]), + {ok, _} = relcool:do(foo, "0.0.1", [], [LibDir1], 2, + OutputDir, ConfigFile), + {ok, _} = relcool:do(foo, "0.0.2", [], [LibDir1], 2, + OutputDir, ConfigFile), + {ok, State} = relcool:do(foo, "0.0.3", [], [LibDir1], 2, + OutputDir, ConfigFile), + + %% we should have one 'resolved' release and three discovered releases. + ?assertMatch([{foo, "0.0.1"}, + {foo, "0.0.2"}, + {foo, "0.0.3"}], + lists:sort(ec_dictionary:keys(rcl_state:releases(State)))), + Release = ec_dictionary:get({foo, "0.0.3"}, rcl_state:releases(State)), + ?assert(rcl_release:realized(Release)), + ?assert(not rcl_release:realized(ec_dictionary:get({foo, "0.0.2"}, + rcl_state:releases(State)))), + ?assert(not rcl_release:realized(ec_dictionary:get({foo, "0.0.1"}, + rcl_state:releases(State)))), + ?assertMatch(foo, rcl_release:name(Release)), + ?assertMatch("0.0.3", rcl_release:vsn(Release)), + AppSpecs = rcl_release:applications(Release), + ?assert(lists:keymember(stdlib, 1, AppSpecs)), + ?assert(lists:keymember(kernel, 1, AppSpecs)), + ?assert(lists:member({non_goal_1, "0.0.1"}, AppSpecs)), + ?assert(lists:member({non_goal_2, "0.0.1"}, AppSpecs)), + ?assert(lists:member({goal_app_1, "0.0.3"}, AppSpecs)), + ?assert(lists:member({goal_app_2, "0.0.3"}, AppSpecs)), + ?assert(lists:member({lib_dep_1, "0.0.1", load}, AppSpecs)). + %%%=================================================================== %%% Helper Functions %%%=================================================================== create_app(Dir, Name, Vsn, Deps, LibDeps) -> - AppDir = filename:join([Dir, Name]), + AppDir = filename:join([Dir, Name ++ "-" ++ Vsn]), write_app_file(AppDir, Name, Vsn, Deps, LibDeps), write_beam_file(AppDir, Name), rcl_app_info:new(erlang:list_to_atom(Name), Vsn, AppDir, |