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%% The contents of this file are subject to the Mozilla Public License
%% Version 1.1 (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.mozilla.org/MPL/
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and
%% limitations under the License.
%%
%% The Original Code is RabbitMQ.
%%
%% The Initial Developer of the Original Code is GoPivotal, Inc.
%% Copyright (c) 2007-2017 Pivotal Software, Inc. All rights reserved.
%%
-module(rabbit_mgmt_wm_healthchecks).
-export([init/2, to_json/2, content_types_provided/2, is_authorized/2]).
-export([resource_exists/2]).
-export([variances/2]).
-include_lib("rabbitmq_management_agent/include/rabbit_mgmt_records.hrl").
%%--------------------------------------------------------------------
init(Req, _State) ->
{cowboy_rest, rabbit_mgmt_cors:set_headers(Req, ?MODULE), #context{}}.
variances(Req, Context) ->
{[<<"accept-encoding">>, <<"origin">>], Req, Context}.
content_types_provided(ReqData, Context) ->
{rabbit_mgmt_util:responder_map(to_json), ReqData, Context}.
resource_exists(ReqData, Context) ->
{case node0(ReqData) of
not_found -> false;
_ -> true
end, ReqData, Context}.
to_json(ReqData, Context) ->
Node = node0(ReqData),
Timeout = case cowboy_req:header(<<"timeout">>, ReqData) of
undefined -> 70000;
Val -> list_to_integer(binary_to_list(Val))
end,
case rabbit_health_check:node(Node, Timeout) of
ok ->
rabbit_mgmt_util:reply([{status, ok}], ReqData, Context);
{badrpc, Err} ->
failure(rabbit_mgmt_format:print("~p", Err), ReqData, Context);
{error_string, Err} ->
S = rabbit_mgmt_format:escape_html_tags(
rabbit_data_coercion:to_list(rabbit_mgmt_format:print(Err))),
failure(S, ReqData, Context)
end.
failure(Message, ReqData, Context) ->
rabbit_mgmt_util:reply([{status, failed},
{reason, Message}],
ReqData, Context).
is_authorized(ReqData, Context) ->
rabbit_mgmt_util:is_authorized(ReqData, Context).
node0(ReqData) ->
Node = case rabbit_mgmt_util:id(node, ReqData) of
none ->
node();
Node0 ->
list_to_atom(binary_to_list(Node0))
end,
case [N || N <- rabbit_mgmt_wm_nodes:all_nodes(ReqData),
proplists:get_value(name, N) == Node] of
[] -> not_found;
[_] -> Node
end.
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