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%% -------------------------------------------------------------------
%%
%% weatherreport - automated diagnostic tools for CouchDB
%%
%% Copyright (c) 2014 Cloudant
%%
%% 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.
%%
%% -------------------------------------------------------------------
%% @doc Diagnostic that checks the local clouseau node is responsive.
%% If clouseau is unresponsive then search will not work. An info
%% message is returned if clouseau responds to pings and an error
%% otherwise.
-module(weatherreport_check_search).
-behaviour(weatherreport_check).
-export([
description/0,
valid/0,
check/1,
format/1
]).
-spec description() -> string().
description() ->
"Check the local search node is responsive".
-spec valid() -> boolean().
valid() ->
weatherreport_node:can_connect().
-spec check(list()) -> [{atom(), term()}].
check(_Opts) ->
SearchNode = 'clouseau@127.0.0.1',
case net_adm:ping(SearchNode) of
pong ->
[{info, {clouseau_ok, SearchNode}}];
Error ->
% only warning since search is not enabled by default
[{warning, {clouseau_error, SearchNode, Error}}]
end.
-spec format(term()) -> {io:format(), [term()]}.
format({clouseau_ok, SearchNode}) ->
{"Local search node at ~w responding ok", [SearchNode]};
format({clouseau_error, SearchNode, Error}) ->
{"Local search node at ~w not responding: ~w", [SearchNode, Error]}.
|
