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%%%-------------------------------------------------------------------
%%% @author Guido <agx@bogon.m.sigxcpu.org>
%%% @copyright (C) 2015, Guido Günther
%%% @doc
%%%
%%% @end
%%% Created : 15 Sep 2015 by Guido <agx@sigxcpu.org>
%%%-------------------------------------------------------------------
-module(simplec_sup).
-behaviour(supervisor).
-include("simplec.hrl").
%% API
-export([start_link/1]).
%% Supervisor callbacks
-export([init/1]).
-define(SERVER, ?MODULE).
%% Helper macro for declaring children of supervisor
-define(CHILD(I, Type), {I, {I, start_link, []}, permanent, 5000, Type, [I]}).
-define(CHILD_WITH_ARGS(I, Type, Args), {I, {I, start_link, [Args]}, permanent, 5000, Type, [I]}).
%%%===================================================================
%%% API functions
%%%===================================================================
%%--------------------------------------------------------------------
%% @doc
%% Starts the supervisor
%%
%% @spec start_link() -> {ok, Pid} | ignore | {error, Error}
%% @end
%%--------------------------------------------------------------------
start_link(Config) ->
supervisor:start_link({local, ?SERVER}, ?MODULE, Config).
%%%===================================================================
%%% Supervisor callbacks
%%%===================================================================
%%--------------------------------------------------------------------
%% @private
%% @doc
%% Whenever a supervisor is started using supervisor:start_link/[2,3],
%% this function is called by the new process to find out about
%% restart strategy, maximum restart frequency and child
%% specifications.
%%
%% @spec init(Args) -> {ok, {SupFlags, [ChildSpec]}} |
%% ignore |
%% {error, Reason}
%% @end
%%--------------------------------------------------------------------
init(Config) ->
RestartStrategy = one_for_one,
MaxRestarts = 1000,
MaxSecondsBetweenRestarts = 3600,
SupFlags = {RestartStrategy, MaxRestarts, MaxSecondsBetweenRestarts},
VmChilds = [{list_to_atom(Url),
{simplec_vms, start_link, [{url, Url}]},
permanent,
5000,
worker,
[simplec_vms]} || Url <- Config#config.uris],
Childs = VmChilds ++ [?CHILD_WITH_ARGS(simplec_hostsfile, worker, Config)],
{ok, {SupFlags, Childs}}.
%%%===================================================================
%%% Internal functions
%%%===================================================================
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