1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2018. All Rights Reserved.
%%
%% Licensed 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.
%%
%% %CopyrightEnd%
%%
-module(logger_proxy_SUITE).
-compile(export_all).
%% -include_lib("common_test/include/ct.hrl").
%% -include_lib("kernel/include/logger.hrl").
%% -include_lib("kernel/src/logger_internal.hrl").
%% -define(str,"Log from "++atom_to_list(?FUNCTION_NAME)++
%% ":"++integer_to_list(?LINE)).
%% -define(map_rep,#{function=>?FUNCTION_NAME, line=>?LINE}).
%% -define(keyval_rep,[{function,?FUNCTION_NAME}, {line,?LINE}]).
%% -define(MY_LOC(N),#{mfa=>{?MODULE,?FUNCTION_NAME,?FUNCTION_ARITY},
%% file=>?FILE, line=>?LINE-N}).
%% -define(TRY(X), my_try(fun() -> X end)).
-define(HNAME,list_to_atom(lists:concat([?MODULE,"_",?FUNCTION_NAME]))).
-define(LOC,#{mfa=>{?MODULE,?FUNCTION_NAME,?FUNCTION_ARITY},line=>?LINE}).
-define(ENSURE_TIME,5000).
suite() ->
[{timetrap,{seconds,30}},
{ct_hooks,[logger_test_lib]}].
init_per_suite(Config) ->
Config.
end_per_suite(_Config) ->
ok.
init_per_group(_Group, Config) ->
Config.
end_per_group(_Group, _Config) ->
ok.
init_per_testcase(_TestCase, Config) ->
Config.
end_per_testcase(Case, Config) ->
try apply(?MODULE,Case,[cleanup,Config])
catch error:undef -> ok
end,
ok.
groups() ->
[].
all() ->
[basic,
emulator,
remote,
remote_emulator,
config,
restart_after,
terminate].
%%%-----------------------------------------------------------------
%%% Test cases
basic(_Config) ->
ok = logger:add_handler(?HNAME,?MODULE,#{config=>self()}),
logger_proxy ! {log,notice,"Log from: ~p; ~p",[?FUNCTION_NAME,?LINE],L1=?LOC},
ok = ensure(L1),
logger_proxy ! {log,notice,[{test_case,?FUNCTION_NAME},{line,?LINE}],L2=?LOC},
ok = ensure(L2),
logger_proxy:log({remote,node(),{log,notice,
"Log from: ~p; ~p",
[?FUNCTION_NAME,?LINE],
L3=?LOC}}),
ok = ensure(L3),
logger_proxy:log({remote,node(),{log,notice,
[{test_case,?FUNCTION_NAME},
{line,?LINE}],
L4=?LOC}}),
ok = ensure(L4),
ok.
basic(cleanup,_Config) ->
ok = logger:remove_handler(?HNAME).
emulator(_Config) ->
ok = logger:add_handler(?HNAME,?MODULE,#{config=>self()}),
Pid = spawn(fun() -> erlang:error(some_reason) end),
ok = ensure(#{pid=>Pid}),
ok.
emulator(cleanup,_Config) ->
ok = logger:remove_handler(?HNAME).
remote(Config) ->
{ok,_,Node} = logger_test_lib:setup(Config,[{logger,[{proxy,#{}}]}]),
ok = logger:add_handler(?HNAME,?MODULE,#{config=>self()}),
L1 = ?LOC, spawn(Node,fun() -> logger:notice("Log from ~p; ~p",[?FUNCTION_NAME,?LINE],L1) end),
ok = ensure(L1),
L2 = ?LOC, spawn(Node,fun() -> logger:notice([{test_case,?FUNCTION_NAME},{line,?LINE}],L2) end),
ok = ensure(L2),
ok.
remote(cleanup,_Config) ->
ok = logger:remove_handler(?HNAME).
remote_emulator(Config) ->
{ok,_,Node} = logger_test_lib:setup(Config,[{logger,[{proxy,#{}}]}]),
ok = logger:add_handler(?HNAME,?MODULE,#{config=>self()}),
Pid = spawn(Node,fun() -> erlang:error(some_reason) end),
ok = ensure(#{pid=>Pid}),
ok.
remote_emulator(cleanup,_Config) ->
ok = logger:remove_handler(?HNAME).
config(_Config) ->
C1 = #{sync_mode_qlen:=SQ,
drop_mode_qlen:=DQ} = logger:get_proxy_config(),
%% Update the existing config with these two values
SQ1 = SQ+1,
DQ1 = DQ+1,
ok = logger:update_proxy_config(#{sync_mode_qlen=>SQ1,
drop_mode_qlen=>DQ1}),
C2 = logger:get_proxy_config(),
C2 = C1#{sync_mode_qlen:=SQ1,
drop_mode_qlen:=DQ1},
%% Update the existing again with only one value
SQ2 = SQ+2,
ok = logger:update_proxy_config(#{sync_mode_qlen=>SQ2}),
C3 = logger:get_proxy_config(),
C3 = C2#{sync_mode_qlen:=SQ2},
%% Set the config, i.e. merge with defaults
ok = logger:set_proxy_config(#{sync_mode_qlen=>SQ1}),
C4 = logger:get_proxy_config(),
C4 = C1#{sync_mode_qlen:=SQ1},
%% Reset to default
ok = logger:set_proxy_config(#{}),
C5 = logger:get_proxy_config(),
C5 = logger_proxy:get_default_config(),
%% Errors
{error,{invalid_olp_config,_}} =
logger:set_proxy_config(#{faulty_key=>1}),
{error,{invalid_olp_config,_}} =
logger:set_proxy_config(#{sync_mode_qlen=>infinity}),
{error,{invalid_config,[]}} = logger:set_proxy_config([]),
{error,{invalid_olp_config,_}} =
logger:update_proxy_config(#{faulty_key=>1}),
{error,{invalid_olp_config,_}} =
logger:update_proxy_config(#{sync_mode_qlen=>infinity}),
{error,{invalid_config,[]}} = logger:update_proxy_config([]),
ok.
config(cleanup,_Config) ->
ok.
restart_after(Config) ->
Restart = 3000,
ok = logger:update_proxy_config(#{overload_kill_enable => true,
overload_kill_qlen => 10,
overload_kill_restart_after => Restart}),
Proxy = whereis(logger_proxy),
Proxy = erlang:system_info(system_logger),
Ref = erlang:monitor(process,Proxy),
spawn(fun() ->
[logger_proxy ! {log,debug,
[{test_case,?FUNCTION_NAME},
{line,?LINE}],
L2=?LOC} || _ <- lists:seq(1,100)]
end),
receive
{'DOWN',Ref,_,_,_Reason} ->
undefined = erlang:system_info(system_logger),
timer:sleep(Restart),
poll_restarted(10)
after 5000 ->
ct:fail(proxy_not_terminated)
end,
ok.
%% Test that system_logger flag is set to logger process if
%% logger_proxy terminates for other reason than overloaded.
terminate(Config) ->
Logger = whereis(logger),
Proxy = whereis(logger_proxy),
Proxy = erlang:system_info(system_logger),
Ref = erlang:monitor(process,Proxy),
ok = logger_olp:stop(Proxy),
receive
{'DOWN',Ref,_,_,_Reason} ->
Logger = erlang:system_info(system_logger),
logger_proxy:restart(),
poll_restarted(10)
after 5000 ->
ct:fail(proxy_not_terminated)
end,
ok.
%%%-----------------------------------------------------------------
%%% Internal functions
poll_restarted(0) ->
ct:fail(proxy_not_restarted);
poll_restarted(N) ->
timer:sleep(1000),
case whereis(logger_proxy) of
undefined ->
poll_restarted(N-1);
Pid ->
ok
end.
%% Logger handler callback
log(#{meta:=Meta},#{config:=Pid}) ->
Pid ! {logged,Meta}.
%% Check that the log from the logger callback function log/2 is received
ensure(Match) ->
receive {logged,Meta} ->
case maps:with(maps:keys(Match),Meta) of
Match -> ok;
NoMatch -> {error,Match,Meta,test_server:messages_get()}
end
after ?ENSURE_TIME -> {error,Match,test_server:messages_get()}
end.
|
