fix build options
This commit is contained in:
parent
b6644de6e1
commit
2ec28bfc6e
@ -12,12 +12,92 @@
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%% API
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-export([pull_image/2, check_image_exist/1]).
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-export([create_container/3, check_container_exist/1, is_container_running/1, start_container/1, stop_container/1]).
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-export([test/0]).
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-export([test/0, test_create_container/0]).
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test() ->
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Image = <<"docker.1ms.run/library/nginx:latest">>,
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pull_image(Image, fun(Msg) -> lager:debug("msg is: ~p", [Msg]) end).
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test_create_container() ->
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M = #{
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<<"image">> => <<"docker.1ms.run/library/nginx:latest">>,
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<<"container_name">> => <<"my_nginx_new">>,
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<<"command">> => [
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<<"nginx">>,
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<<"-g">>,
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<<"daemon off;">>
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],
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<<"entrypoint">> => [
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<<"/docker-entrypoint.sh">>
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],
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<<"envs">> => [
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<<"ENV1=val1">>,
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<<"ENV2=val2">>
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],
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<<"env_file">> => [
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<<"./env.list">>
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],
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<<"ports">> => [
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<<"8080:80">>,
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<<"443:443">>
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],
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<<"expose">> => [
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<<"80">>,
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<<"443">>
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],
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<<"volumes">> => [
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<<"/host/data:/data">>,
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<<"/host/log:/var/log">>
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],
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<<"networks">> => [
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<<"mynet">>
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],
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<<"labels">> => #{
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<<"role">> => <<"web">>,
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<<"env">> => <<"prod">>
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},
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<<"restart">> => <<"always">>,
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<<"user">> => <<"www-data">>,
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<<"working_dir">> => <<"/app">>,
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<<"hostname">> => <<"myhost">>,
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<<"privileged">> => true,
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<<"cap_add">> => [
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<<"NET_ADMIN">>
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],
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<<"cap_drop">> => [
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<<"MKNOD">>
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],
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<<"devices">> => [
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<<"/dev/snd:/dev/snd">>
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],
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<<"mem_limit">> => <<"512m">>,
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<<"mem_reservation">> => <<"256m">>,
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<<"cpu_shares">> => 512,
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<<"cpus">> => 1.5,
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<<"ulimits">> => #{
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<<"nofile">> => <<"1024:2048">>
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},
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<<"sysctls">> => #{
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<<"net.ipv4.ip_forward">> => <<"1">>
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},
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<<"tmpfs">> => [
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<<"/tmp">>
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],
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<<"extra_hosts">> => [
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<<"host1:192.168.0.1">>
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],
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<<"healthcheck">> => #{
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<<"test">> => [
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<<"CMD-SHELL">>,
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<<"curl -f http://localhost || exit 1">>
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],
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<<"interval">> => <<"30s">>,
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<<"timeout">> => <<"10s">>,
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<<"retries">> => 3
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}
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},
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create_container(<<"my_nginx_xx">>, "/usr/local/code/efka/", M).
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-spec pull_image(Image :: binary(), Callback :: fun((Msg :: binary()) -> no_return())) -> ok | {error, ExitCode :: integer()}.
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pull_image(Image, Callback) when is_binary(Image), is_function(Callback, 1) ->
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Url = io_lib:format("/images/create?fromImage=~s", [binary_to_list(Image)]),
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@ -36,35 +116,23 @@ check_image_exist(Image) when is_binary(Image) ->
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-spec create_container(ContainerName :: binary(), ContainerDir :: string(), Config :: map()) -> {ok, ContainerId :: binary()} | {error, Reason :: any()}.
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create_container(ContainerName, ContainerDir, Config) when is_binary(ContainerName), is_list(ContainerDir), is_map(Config) ->
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Url = "/containers/create",
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Url = io_lib:format("/containers/create?name=~s", [binary_to_list(ContainerName)]),
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Image = maps:get(<<"image">>, Config),
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Cmd = maps:get(<<"command">>, Config, []),
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%% 挂载预留的目录，用来作为配置文件的存放
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BinContainerDir = list_to_binary(docker_container_helper:make_etc_dir_name(ContainerDir)),
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BaseOptions = [<<"-v">>, <<BinContainerDir/binary, ":/usr/local/etc/">>],
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Options = build_options(Config),
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Args = lists:flatten([Image | BaseOptions ++ Options ++ Cmd]),
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CreateArgs = iolist_to_binary(lists:join(<<" ">>, Args)),
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PortSettings = [stream, exit_status, stderr_to_stdout, use_stdio, binary],
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ExecCmd = "docker create --name " ++ binary_to_list(ContainerName) ++ " " ++ binary_to_list(CreateArgs),
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lager:debug("create_container cmd : ~p", [ExecCmd]),
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lists:foreach(fun({K, V}) ->
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lager:debug("~p => ~p", [K, V])
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end, maps:to_list(Options)),
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case catch erlang:open_port({spawn, ExecCmd}, PortSettings) of
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Port when is_port(Port) ->
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case gather_output(Port) of
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{0, ContainerId} ->
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{ok, string:trim(ContainerId)};
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{ExitCode, Error} ->
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{error, {ExitCode, Error}}
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end;
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Error ->
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lager:debug("error: ~p", [Error]),
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{error, <<"exec command startup failed">>}
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end.
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Body = iolist_to_binary(jiffy:encode(Options, [force_utf8])),
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Res = docker_http:request("POST", Url, Body, []),
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lager:debug("res is: ~p", [Res]).
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-spec is_container_running(ContainerId :: binary()) -> boolean().
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is_container_running(ContainerId) when is_binary(ContainerId) ->
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@ -154,26 +222,28 @@ build_options(Config) when is_map(Config) ->
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<<"Image">> => maps:get(<<"image">>, Config, <<>>),
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<<"Cmd">> => maps:get(<<"command">>, Config, []),
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<<"Entrypoint">> => maps:get(<<"entrypoint">>, Config, []),
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<<"Env">> => maps:get(<<"envs">>, Config, [])
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<<"Env">> => maps:get(<<"envs">>, Config, []),
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<<"HostConfig">> => fold_merge([
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build_volumes(Config),
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build_restart(Config),
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build_privileged(Config),
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build_cap_add_drop(Config),
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build_devices(Config),
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build_memory(Config),
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build_cpu(Config),
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build_ulimits(Config),
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build_tmpfs(Config),
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build_extra_hosts(Config)
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])
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},
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fold_merge([
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build_expose(Config),
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build_volumes(Config),
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build_networks(Config),
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build_labels(Config),
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build_restart(Config),
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build_user(Config),
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build_working_dir(Config),
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build_hostname(Config),
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build_privileged(Config),
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build_cap_add_drop(Config),
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build_devices(Config),
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build_memory(Config),
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build_cpu(Config),
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build_ulimits(Config),
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build_sysctls(Config),
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build_tmpfs(Config),
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build_extra_hosts(Config),
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build_healthcheck(Config)
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])
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).
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@ -226,13 +296,6 @@ build_labels(Config) ->
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_ -> #{<<"Labels">> => Labels}
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end.
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build_restart(Config) ->
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case maps:get(<<"restart">>, Config, undefined) of
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undefined ->
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#{};
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Policy ->
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#{<<"HostConfig">> => #{<<"RestartPolicy">> => #{<<"Name">> => Policy}}}
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end.
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build_user(Config) ->
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case maps:get(<<"user">>, Config, undefined) of
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@ -258,58 +321,6 @@ build_hostname(Config) ->
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#{<<"Hostname">> => H}
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end.
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build_privileged(Config) ->
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case maps:get(<<"privileged">>, Config, false) of
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true ->
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#{<<"HostConfig">> => #{<<"Privileged">> => true}};
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_ ->
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#{}
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end.
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build_cap_add_drop(Config) ->
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Add = maps:get(<<"cap_add">>, Config, []),
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Drop = maps:get(<<"cap_drop">>, Config, []),
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case {Add, Drop} of
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{[], []} ->
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#{};
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_ ->
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#{<<"HostConfig">> => #{<<"CapAdd">> => Add, <<"CapDrop">> => Drop}}
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end.
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build_devices(Config) ->
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Devs = maps:get(<<"devices">>, Config, []),
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case Devs of
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[] ->
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#{};
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_ ->
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DevObjs = [#{<<"PathOnHost">> => H, <<"PathInContainer">> => C,
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<<"CgroupPermissions">> => <<"rwm">>}
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|| D <- Devs,
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[H, C] <- [binary:split(D, <<":">>, [])]],
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#{<<"HostConfig">> => #{<<"Devices">> => DevObjs}}
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end.
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build_memory(Config) ->
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Mem = maps:get(<<"mem_limit">>, Config, undefined),
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MemRes = maps:get(<<"mem_reservation">>, Config, undefined),
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HCfg = #{},
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HCfg1 = if
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Mem /= undefined ->
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maps:put(<<"Memory">>, parse_mem(Mem), HCfg);
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true ->
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HCfg
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end,
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HCfg2 = if
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MemRes /= undefined ->
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maps:put(<<"MemoryReservation">>, parse_mem(MemRes), HCfg1);
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true ->
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HCfg1
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end,
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case maps:size(HCfg2) of
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0 -> #{};
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_ -> #{<<"HostConfig">> => HCfg2}
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end.
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parse_mem(Val) ->
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case binary:last(Val) of
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$m ->
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@ -322,67 +333,7 @@ parse_mem(Val) ->
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list_to_integer(binary_to_list(Val))
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end.
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build_cpu(Config) ->
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CPU = maps:get(<<"cpus">>, Config, undefined),
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Shares = maps:get(<<"cpu_shares">>, Config, undefined),
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HCfg = #{},
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HCfg1 = if
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CPU /= undefined ->
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maps:put(<<"NanoCpus">>, trunc(CPU * 1000000000), HCfg);
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true ->
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HCfg
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end,
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HCfg2 = if
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Shares /= undefined ->
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maps:put(<<"CpuShares">>, Shares, HCfg1);
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true ->
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HCfg1
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end,
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case maps:size(HCfg2) of
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0 -> #{};
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_ -> #{<<"HostConfig">> => HCfg2}
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end.
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build_ulimits(Config) ->
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UL = maps:get(<<"ulimits">>, Config, #{}),
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case maps:size(UL) of
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0 -> #{};
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_ ->
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ULList = [#{<<"Name">> => K, <<"Soft">> => S, <<"Hard">> => H}
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|| {K, V} <- maps:to_list(UL),
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[S1, H1] <- [binary:split(V, <<":">>, [])],
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S = list_to_integer(binary_to_list(S1)),
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H = list_to_integer(binary_to_list(H1))],
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#{<<"HostConfig">> => #{<<"Ulimits">> => ULList}}
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end.
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build_sysctls(Config) ->
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SC = maps:get(<<"sysctls">>, Config, #{}),
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case maps:size(SC) of
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0 ->
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#{};
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_ ->
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#{<<"HostConfig">> => #{<<"Sysctls">> => SC}}
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end.
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build_tmpfs(Config) ->
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Tmp = maps:get(<<"tmpfs">>, Config, []),
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case Tmp of
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[] ->
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#{};
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_ ->
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#{<<"HostConfig">> => #{<<"Tmpfs">> => maps:from_list([{T, <<>>} || T <- Tmp])}}
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end.
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build_extra_hosts(Config) ->
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Hosts = maps:get(<<"extra_hosts">>, Config, []),
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case Hosts of
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[] ->
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#{};
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_ ->
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#{<<"HostConfig">> => #{<<"ExtraHosts">> => Hosts}}
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end.
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build_healthcheck(Config) ->
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HC = maps:get(<<"healthcheck">>, Config, #{}),
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@ -410,4 +361,140 @@ parse_duration(Bin) ->
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N * 60000000000;
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_ ->
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N
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end.
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%% --- 构建子字段 ---
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build_volumes(Config) ->
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Vols = maps:get(<<"volumes">>, Config, []),
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case Vols of
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[] -> #{};
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_ ->
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HostBinds = Vols,
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VolMap = maps:from_list(lists:map(fun(V) ->
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[_Host, Cont] = binary:split(V, <<":">>, []),
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{Cont, #{}}
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end, Vols)),
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#{
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<<"HostConfig">> => #{
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<<"Binds">> => HostBinds
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},
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<<"Volumes">> => VolMap
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}
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end.
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build_restart(Config) ->
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case maps:get(<<"restart">>, Config, undefined) of
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undefined ->
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#{};
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Policy ->
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#{<<"RestartPolicy">> => #{<<"Name">> => Policy}}
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end.
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build_privileged(Config) ->
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case maps:get(<<"privileged">>, Config, false) of
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true ->
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#{<<"Privileged">> => true};
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_ ->
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#{}
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end.
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build_cap_add_drop(Config) ->
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Add = maps:get(<<"cap_add">>, Config, []),
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Drop = maps:get(<<"cap_drop">>, Config, []),
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case {Add, Drop} of
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{[], []} ->
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#{};
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_ ->
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#{<<"CapAdd">> => Add, <<"CapDrop">> => Drop}
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end.
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build_devices(Config) ->
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Devs = maps:get(<<"devices">>, Config, []),
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case Devs of
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[] ->
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#{};
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_ ->
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DevObjs = [#{<<"PathOnHost">> => H, <<"PathInContainer">> => C,
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<<"CgroupPermissions">> => <<"rwm">>}
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|| D <- Devs,
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[H, C] <- [binary:split(D, <<":">>, [])]],
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#{<<"Devices">> => DevObjs}
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end.
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build_memory(Config) ->
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Mem = maps:get(<<"mem_limit">>, Config, undefined),
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MemRes = maps:get(<<"mem_reservation">>, Config, undefined),
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HCfg = #{},
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HCfg1 = if
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Mem /= undefined ->
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maps:put(<<"Memory">>, parse_mem(Mem), HCfg);
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true ->
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HCfg
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end,
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if
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MemRes /= undefined ->
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maps:put(<<"MemoryReservation">>, parse_mem(MemRes), HCfg1);
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true ->
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HCfg1
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end.
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build_cpu(Config) ->
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CPU = maps:get(<<"cpus">>, Config, undefined),
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Shares = maps:get(<<"cpu_shares">>, Config, undefined),
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HCfg = #{},
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HCfg1 = if
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CPU /= undefined ->
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maps:put(<<"NanoCpus">>, trunc(CPU * 1000000000), HCfg);
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true ->
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HCfg
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end,
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if
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Shares /= undefined ->
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maps:put(<<"CpuShares">>, Shares, HCfg1);
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true ->
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HCfg1
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end.
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build_ulimits(Config) ->
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UL = maps:get(<<"ulimits">>, Config, #{}),
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case maps:size(UL) of
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0 ->
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#{};
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_ ->
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ULList = lists:map(fun({K, V}) ->
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[S1, H1] = binary:split(V, <<":">>, []),
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S = list_to_integer(binary_to_list(S1)),
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H = list_to_integer(binary_to_list(H1)),
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#{<<"Name">> => K, <<"Soft">> => S, <<"Hard">> => H}
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end, maps:to_list(UL)),
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#{<<"Ulimits">> => ULList}
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end.
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build_sysctls(Config) ->
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SC = maps:get(<<"sysctls">>, Config, #{}),
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case maps:size(SC) of
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0 ->
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#{};
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_ ->
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#{<<"Sysctls">> => SC}
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end.
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build_tmpfs(Config) ->
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Tmp = maps:get(<<"tmpfs">>, Config, []),
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case Tmp of
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[] ->
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#{};
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_ ->
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#{<<"Tmpfs">> => maps:from_list([{T, <<>>} || T <- Tmp])}
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end.
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build_extra_hosts(Config) ->
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Hosts = maps:get(<<"extra_hosts">>, Config, []),
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case Hosts of
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[] ->
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#{};
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_ ->
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#{<<"ExtraHosts">> => Hosts}
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end.
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