fix manifest
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b148b60561
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b18a96b185
120
apps/efka/src/efka_manifest.erl
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120
apps/efka/src/efka_manifest.erl
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@ -0,0 +1,120 @@
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%%%-------------------------------------------------------------------
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%%% @author anlicheng
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%%% @copyright (C) 2025, <COMPANY>
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%%% @doc
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%%%
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%%% @end
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%%% Created : 05. 5月 2025 22:39
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%%%-------------------------------------------------------------------
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-module(efka_manifest).
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-author("anlicheng").
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-record(manifest, {
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work_dir = "" :: string(),
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service_id = <<"">> :: binary(),
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exec = <<"">>:: binary(),
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args = [],
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health_check = <<"">>
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}).
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-type manifest() :: #manifest{}.
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-export_type([manifest/0]).
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%% API
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-export([new/1, startup/1, kill_os_pid/1]).
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-spec new(WorkDir0 :: binary()) -> {ok, #manifest{}} | {error, Reason :: binary()}.
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new(WorkDir0) when is_binary(WorkDir0) ->
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WorkDir = binary_to_list(WorkDir0),
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case file:read_file(WorkDir ++ "manifest.json") of
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{ok, ManifestInfo} ->
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Manifest = catch jiffy:decode(ManifestInfo, [return_maps]),
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case check_manifest(Manifest) of
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{ok, Manifest} ->
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{ok, Manifest#manifest{work_dir = WorkDir}};
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{error, Reason} ->
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{error, Reason}
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end;
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{error, Reason} ->
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{error, Reason}
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end.
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-spec startup(Manifest :: #manifest{}) -> {ok, Port :: port()} | {error, Reason :: binary()}.
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startup(#manifest{work_dir = WorkDir, exec = ExecCmd0, args = Args0}) ->
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PortSettings = [
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{cd, WorkDir},
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{args, [binary_to_list(A) || A <- Args0]},
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exit_status
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],
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ExecCmd = binary_to_list(ExecCmd0),
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RealExecCmd = filename:absname_join(WorkDir, ExecCmd),
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Port = erlang:open_port({spawn_executable, RealExecCmd}, PortSettings),
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{ok, Port}.
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%% 检查配置是否合法
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-spec check_manifest(Manifest :: map()) -> ok | {error, Reason :: binary()}.
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check_manifest(Manifest) when is_map(Manifest) ->
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RequiredKeys = [<<"serivce_id">>, <<"exec">>, <<"args">>, <<"health_check">>],
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check_manifest0(RequiredKeys, Manifest, #manifest{});
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check_manifest(_Manifest) ->
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{error, <<"invalid manifest json">>}.
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check_manifest0([], _Settings, Manifest) ->
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{ok, Manifest};
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check_manifest0([<<"serivce_id">>|T], Settings, Manifest) ->
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case maps:find(<<"serivce_id">>, Settings) of
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error ->
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{error, <<"miss serivce_id">>};
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{ok, ServiceId} when is_binary(ServiceId) ->
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check_manifest0(T, Settings, Manifest#manifest{service_id = ServiceId});
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{ok, _} ->
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{error, <<"serivce_id is not string">>}
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end;
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check_manifest0([<<"health_check">>|T], Settings, Manifest) ->
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case maps:find(<<"health_check">>, Settings) of
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error ->
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{error, <<"miss health_check">>};
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{ok, Url} when is_binary(Url) ->
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case is_url(Url) of
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true ->
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check_manifest0(T, Settings, Manifest#manifest{health_check = Url});
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false ->
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{error, <<"health_check is not a invalid url">>}
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end;
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{ok, _} ->
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{error, <<"health_check is not string">>}
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end;
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check_manifest0([<<"exec">>|T], Settings, Manifest) ->
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case maps:find(<<"exec">>, Settings) of
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error ->
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{error, <<"miss start">>};
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{ok, Exec} when is_binary(Exec) ->
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%% 不能包含空格
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case binary:match(Exec, <<" ">>) of
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nomatch ->
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check_manifest0(T, Settings, Manifest#manifest{exec = Exec});
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_ ->
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{error, <<"start cmd cannot contain args">>}
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end
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end;
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check_manifest0([<<"args">>|T], Settings, Manifest) ->
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case maps:find(<<"args">>, Settings) of
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error ->
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check_manifest0(T, Settings, Manifest#manifest{args = []});
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%% 对参数项目不进行检查
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{ok, Args} when is_list(Args) ->
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check_manifest0(T, Settings, Manifest#manifest{args = Args});
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{ok, _} ->
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{error, <<"args must be list">>}
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end.
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-spec is_url(binary()) -> boolean().
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is_url(Input) when is_binary(Input) ->
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try
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uri_string:parse(Input),
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true
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catch
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_:_ -> false
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end.
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@ -37,7 +37,8 @@
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os_pid :: undefined | integer(),
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%% 配置信息
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manifest = #{},
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manifest :: undefined | efka_manifest:manifest(),
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%% 当前服务的运行状态
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running_status = ?STATUS_STOPPED
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}).
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@ -90,29 +91,21 @@ start_link(Name, Service = #micro_service{}) when is_atom(Name) ->
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{ok, State :: #state{}} | {ok, State :: #state{}, timeout() | hibernate} |
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{stop, Reason :: term()} | ignore).
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init([Service = #micro_service{service_id = ServiceId, work_dir = WorkDir0}]) ->
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WorkDir = binary_to_list(WorkDir0),
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case file:read_file(WorkDir ++ "manifest.json") of
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{ok, ManifestInfo} ->
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Manifest = catch jiffy:decode(ManifestInfo, [return_maps]),
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case check_manifest(Manifest) of
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ok ->
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init0(Service, Manifest);
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{error, Reason} ->
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lager:notice("[efka_micro_service] service: ~p, check manifest.json get error: ~p", [ServiceId, Reason]),
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ignore
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end;
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case efka_manifest:new(WorkDir0) of
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{ok, Manifest} ->
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init0(Service, Manifest);
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{error, Reason} ->
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lager:notice("[efka_micro_service] service: ~p, read manifest.json get error: ~p", [ServiceId, Reason]),
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ignore
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end.
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init0(Service = #micro_service{service_id = ServiceId, work_dir = WorkDir0, status = 1}, Manifest) ->
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init0(Service = #micro_service{service_id = ServiceId, status = 1}, Manifest) ->
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%% 数据的状态和运行状态是2回事
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case boot_service(WorkDir0, Manifest) of
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case efka_manifest:startup(Manifest) of
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{ok, Port} ->
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{os_pid, OSPid} = erlang:port_info(Port, os_pid),
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lager:debug("[efka_micro_service] service: ~p, port: ~p, boot_service success os_pid: ~p", [ServiceId, Port, OSPid]),
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{ok, #state{service = Service, manifest = Manifest, running_status = ?STATUS_RUNNING, port = Port, os_pid = OSPid}};
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{ok, #state{service = Service, manifest = Manifest, running_status = ?STATUS_RUNNING, port = Port, os_pid = OSPid}};
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{error, Reason} ->
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lager:debug("[efka_micro_service] service: ~p, boot_service get error: ~p", [ServiceId, Reason]),
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{ok, #state{service = Service, manifest = Manifest, running_status = ?STATUS_STOPPED, port = undefined, os_pid = undefined}}
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@ -146,9 +139,9 @@ handle_call({attach_channel, ChannelPid}, _From, State = #state{channel_pid = Ol
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%% 启动服务: 当前服务如果正常运行，则不允许重启
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handle_call(start_service, _From, State = #state{running_status = ?STATUS_RUNNING}) ->
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{reply, {error, <<"service is running">>}, State};
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handle_call(start_service, _From, State = #state{running_status = ?STATUS_STOPPED, manifest = Manifest, service = Service = #micro_service{work_dir = WorkDir0, service_id = ServiceId}}) ->
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handle_call(start_service, _From, State = #state{running_status = ?STATUS_STOPPED, manifest = Manifest, service = Service = #micro_service{service_id = ServiceId}}) ->
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%% 异步启动服务
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case boot_service(WorkDir0, Manifest) of
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case efka_manifest:startup(Manifest) of
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{ok, Port} ->
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%% 更新数据库状态
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micro_service_model:start_service(ServiceId),
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@ -197,8 +190,8 @@ handle_cast(_Request, State = #state{}) ->
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handle_info({timeout, _, reboot_service}, State = #state{service = #micro_service{service_id = ServiceId, status = 0}}) ->
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lager:debug("[efka_micro_service] service_id: ~p, is stopped, ignore boot_service", [ServiceId]),
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{noreply, State};
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handle_info({timeout, _, reboot_service}, State = #state{manifest = Manifest, service = #micro_service{work_dir = WorkDir0, service_id = ServiceId, status = 1}}) ->
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case boot_service(WorkDir0, Manifest) of
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handle_info({timeout, _, reboot_service}, State = #state{manifest = Manifest, service = #micro_service{service_id = ServiceId, status = 1}}) ->
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case efka_manifest:startup(Manifest) of
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{ok, Port} ->
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{os_pid, OSPid} = erlang:port_info(Port, os_pid),
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lager:debug("[efka_micro_service] reboot service success: ~p, port: ~p, os_pid: ~p", [ServiceId, Port, OSPid]),
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@ -247,63 +240,6 @@ code_change(_OldVsn, State = #state{}, _Extra) ->
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%%% Internal functions
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%%%===================================================================
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%% 检查配置是否合法
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-spec check_manifest(Manifest :: map()) -> ok | {error, Reason :: binary()}.
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check_manifest(Manifest) when is_map(Manifest) ->
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RequiredKeys = [<<"serivce_id">>, <<"exec">>, <<"args">>, <<"health_check">>],
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check_manifest0(RequiredKeys, Manifest);
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check_manifest(_Manifest) ->
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{error, <<"invalid manifest json">>}.
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check_manifest0([], _Manifest) ->
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ok;
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check_manifest0([<<"serivce_id">>|T], Manifest) ->
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case maps:find(<<"serivce_id">>, Manifest) of
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error ->
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{error, <<"miss serivce_id">>};
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{ok, Val} when is_binary(Val) ->
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check_manifest0(T, Manifest);
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{ok, _} ->
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{error, <<"serivce_id is not string">>}
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end;
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check_manifest0([<<"health_check">>|T], Manifest) ->
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case maps:find(<<"health_check">>, Manifest) of
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error ->
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{error, <<"miss health_check">>};
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{ok, Url} when is_binary(Url) ->
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case is_url(Url) of
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true ->
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check_manifest0(T, Manifest);
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false ->
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{error, <<"health_check is not a invalid url">>}
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end;
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{ok, _} ->
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{error, <<"health_check is not string">>}
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end;
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check_manifest0([<<"exec">>|T], Manifest) ->
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case maps:find(<<"exec">>, Manifest) of
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error ->
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{error, <<"miss start">>};
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{ok, Cmd} when is_binary(Cmd) ->
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%% 不能包含空格
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case binary:match(Cmd, <<" ">>) of
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nomatch ->
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check_manifest0(T, Manifest);
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_ ->
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{error, <<"start cmd cannot contain args">>}
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end
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end;
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check_manifest0([<<"args">>|T], Manifest) ->
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case maps:find(<<"args">>, Manifest) of
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error ->
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check_manifest0(T, Manifest);
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%% 对参数项目不进行检查
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{ok, Args} when is_list(Args) ->
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check_manifest0(T, Manifest);
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{ok, _} ->
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{error, <<"args must be list">>}
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end.
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%% 关闭系统进程
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-spec kill_os_pid(port() | undefined) -> no_return().
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kill_os_pid(undefined) ->
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@ -311,31 +247,4 @@ kill_os_pid(undefined) ->
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kill_os_pid(OSPid) when is_integer(OSPid) ->
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Cmd = lists:flatten(io_lib:format("kill -9 ~p", [OSPid])),
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lager:debug("kill cmd is: ~p", [Cmd]),
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os:cmd(Cmd).
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%% 启动微服务
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-spec boot_service(WorkDir :: binary(), Manifest :: map()) -> {ok, Port :: port()} | {error, Reason :: binary()}.
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boot_service(WorkDir0, Manifest) when is_binary(WorkDir0), is_map(Manifest) ->
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ExecCmd0 = maps:get(<<"exec">>, Manifest),
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Args0 = maps:get(<<"args">>, Manifest, []),
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WorkDir = binary_to_list(WorkDir0),
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PortSettings = [
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{cd, WorkDir},
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{args, [binary_to_list(A) || A <- Args0]},
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exit_status
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],
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ExecCmd = binary_to_list(ExecCmd0),
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RealExecCmd = filename:absname_join(WorkDir, ExecCmd),
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Port = erlang:open_port({spawn_executable, RealExecCmd}, PortSettings),
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{ok, Port}.
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-spec is_url(binary()) -> boolean().
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is_url(Input) when is_binary(Input) ->
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try
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uri_string:parse(Input),
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true
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catch
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_:_ -> false
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end.
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os:cmd(Cmd).
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