aboutsummaryrefslogtreecommitdiffstats
path: root/lib/kernel/test/heart_SUITE.erl
blob: 24e05b011ad7e0fa0bb90feec5ef462eac74584b (plain) (blame)
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
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 1996-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% 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.
%%
%% %CopyrightEnd%
%%
-module(heart_SUITE).

-include_lib("test_server/include/test_server.hrl").

-export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
	 init_per_group/2,end_per_group/2, start/1, restart/1, 
	 reboot/1, set_cmd/1, clear_cmd/1,
	 dont_drop/1, kill_pid/1]).

-export([init_per_testcase/2, end_per_testcase/2]).

-export([start_heart_stress/1, mangle/1, suicide_by_heart/0]).

-define(DEFAULT_TIMEOUT_SECS, 120).

init_per_testcase(_Func, Config) ->
    Dog=test_server:timetrap(test_server:seconds(?DEFAULT_TIMEOUT_SECS)),
    [{watchdog, Dog}|Config].

end_per_testcase(_Func, Config) ->
    Nodes = nodes(),
    lists:foreach(fun(X) ->
			  NNam = list_to_atom(hd(string:tokens(atom_to_list(X),"@"))),
			  case NNam of
			      heart_test ->
				  ?t:format(1, "WARNING: Killed ~p~n", [X]),
				  rpc:cast(X, erlang, halt, []);
			      _ ->
				  ok
			  end
		  end, Nodes),
    Dog=?config(watchdog, Config),
    test_server:timetrap_cancel(Dog).

%%-----------------------------------------------------------------
%% Test suite for heart.
%% Should be started in a CC view with:
%% erl -sname master -rsh ctrsh
%%-----------------------------------------------------------------
suite() -> [{suite_callbacks,[ts_install_scb]}].

all() -> 
    [start, restart, reboot, set_cmd, clear_cmd, kill_pid].

groups() -> 
    [].

init_per_group(_GroupName, Config) ->
    Config.

end_per_group(_GroupName, Config) ->
    Config.


init_per_suite(Config) when is_list(Config) ->
    case os:type() of
	{win32, windows} ->
	    {skipped, "No use to run on Windows 95/98"};
	_ ->
	    Config
    end.
end_per_suite(Config) when is_list(Config) ->
    Config.

start_check(Type, Name) ->
    Args = case ?t:os_type() of
	       {win32,_} -> "-heart -env HEART_COMMAND no_reboot";
	       _ -> "-heart"
	   end,
    {ok, Node} = case Type of
		     loose ->
			 loose_node:start(Name, Args, ?DEFAULT_TIMEOUT_SECS);
		     _ ->
			 ?t:start_node(Name, Type, [{args, Args}])
		 end,
    erlang:monitor_node(Node, true),
    case rpc:call(Node, erlang, whereis, [heart]) of
	Pid when is_pid(Pid) ->
	    ok;
	_ ->
	    test_server:fail(heart_not_started)
    end,
    {ok, Node}.

start(doc) -> [];
start(suite) -> {req, [{time, 10}]};
start(Config) when is_list(Config) ->
    ?line {ok, Node} = start_check(slave, heart_test),
    ?line rpc:call(Node, init, reboot, []),
    receive
	{nodedown, Node} ->
	    ok
    after 2000 ->
	    test_server:fail(node_not_closed)
    end,
    test_server:sleep(5000),
    ?line case net_adm:ping(Node) of
	      pang ->
		  ok;
	      _ -> 
		  test_server:fail(node_rebooted)
	  end,
    test_server:stop_node(Node).

%% Also test fixed bug in R1B (it was not possible to
%% do init:stop/0 on a restarted system before)
%% Slave executes erlang:halt() on master nodedown.
%% Therefore the slave process has to be killed
%% before restart.
restart(doc) -> [];
restart(suite) -> 
   case ?t:os_type() of
	{Fam, _} when Fam == unix; Fam == win32 ->
	    {req, [{time,10}]};
	_ ->
	    {skip, "Only run on unix and win32"}
    end;
restart(Config) when is_list(Config) ->
    ?line {ok, Node} = start_check(loose, heart_test),
    ?line rpc:call(Node, init, restart, []),
    receive
	{nodedown, Node} ->
	    ok
    after 2000 ->
	    test_server:fail(node_not_closed)
    end,
    test_server:sleep(5000),

    ?line case net_adm:ping(Node) of
	      pong ->
		  erlang:monitor_node(Node, true),
		  ?line rpc:call(Node, init, stop, []),
		  receive
		      {nodedown, Node} ->
			  ok
		  after 2000 ->
			  test_server:fail(node_not_closed2)
		  end,
		  ok;
	      _ ->
		  test_server:fail(node_not_restarted)
	  end,
    loose_node:stop(Node).

reboot(doc) -> [];
reboot(suite) -> {req, [{time, 10}]};
reboot(Config) when is_list(Config) ->
    {ok, Node} = start_check(slave, heart_test),

    ?line ok = rpc:call(Node, heart, set_cmd,
			[atom_to_list(lib:progname()) ++ 
			 " -noshell -heart " ++ name(Node) ++ "&"]),
    ?line rpc:call(Node, init, reboot, []),
    receive
	{nodedown, Node} ->
	    ok
    after 2000 ->
	    test_server:fail(node_not_closed)
    end,
    test_server:sleep(5000),
    ?line case net_adm:ping(Node) of
	      pong ->
		  erlang:monitor_node(Node, true),
		  ?line rpc:call(Node, init, reboot, []),
		  receive
		      {nodedown, Node} ->
			  ok
		  after 2000 ->
			  test_server:fail(node_not_closed2)
		  end,
		  ok;
	      _ ->
		  test_server:fail(node_not_rebooted)
	  end,
    ok.

%% Only tests bad command, correct behaviour is tested in reboot/1.
set_cmd(suite) -> [];
set_cmd(Config) when is_list(Config) ->
    ?line {ok, Node} = start_check(slave, heart_test),
    Cmd = wrong_atom,
    ?line {error, {bad_cmd, Cmd}} = rpc:call(Node, heart, set_cmd, [Cmd]),
    Cmd1 = lists:duplicate(2047, $a),
    ?line {error, {bad_cmd, Cmd1}} = rpc:call(Node, heart, set_cmd, [Cmd1]),
    Cmd2 = lists:duplicate(28, $a),
    ?line ok = rpc:call(Node, heart, set_cmd, [Cmd2]),
    Cmd3 = lists:duplicate(2000, $a),
    ?line ok = rpc:call(Node, heart, set_cmd, [Cmd3]),
    stop_node(Node),
    ok.

clear_cmd(suite) -> {req,[{time,15}]};
clear_cmd(Config) when is_list(Config) ->
    ?line {ok, Node} = start_check(slave, heart_test),
    ?line ok = rpc:call(Node, heart, set_cmd,
			[atom_to_list(lib:progname()) ++
			 " -noshell -heart " ++ name(Node) ++ "&"]),
    ?line rpc:call(Node, init, reboot, []),
    receive
	{nodedown, Node} ->
	    ok
    after 2000 ->
	    test_server:fail(node_not_closed)
    end,
    test_server:sleep(5000),
    ?line case net_adm:ping(Node) of
	      pong ->
		  erlang:monitor_node(Node, true);
	      _ ->
		  test_server:fail(node_not_rebooted)
	  end,
    ?line ok = rpc:call(Node, heart, set_cmd,
			["erl -noshell -heart " ++ name(Node) ++ "&"]),
    ?line ok = rpc:call(Node, heart, clear_cmd, []),
    ?line rpc:call(Node, init, reboot, []),
    receive
	{nodedown, Node} ->
	    ok
    after 2000 ->
	    test_server:fail(node_not_closed)
    end,
    test_server:sleep(5000),
    ?line case net_adm:ping(Node) of
	      pang ->
		  ok;
	      _ -> 
		  test_server:fail(node_rebooted)
	  end,
    ok.

dont_drop(suite) -> 
%%% Removed as it may crash epmd/distribution in colourful
%%% ways. While we ARE finding out WHY, it would
%%% be nice for others to be able to run the kernel test suite
%%% without "exploding machines", so thats why I removed it for now.
    [];
dont_drop(doc) ->
    ["Tests that the heart command does not get dropped when ",
     "set just before halt on very high I/O load."];
dont_drop(Config) when is_list(Config) ->
    %%% Have to do it some times to make it happen...
    case os:type() of
	vxworks ->
	    {comment, "No use to run with slaves on other nodes..."};
	_ ->
	    [ok,ok,ok,ok,ok,ok,ok,ok,ok,ok] = do_dont_drop(Config,10),
	    ok
    end.

do_dont_drop(_,0) ->
    [];
do_dont_drop(Config,N) ->
    %% Name of first slave node
    ?line NN1 = atom_to_list(?MODULE) ++ "slave_1",
    %% Name of node started by heart on failure
    ?line NN2 = atom_to_list(?MODULE) ++ "slave_2",
    %% Name of node started by heart on success
    ?line NN3 = atom_to_list(?MODULE) ++ "slave_3",
    ?line Host = hd(tl(string:tokens(atom_to_list(node()),"@"))),
    %% The initial heart command
    ?line FirstCmd = erl() ++ name(NN2 ++ "@" ++ Host),
    %% Separated the parameters to start_node_run for clarity...
    ?line Name = list_to_atom(NN1),
    ?line Env = [{"HEART_COMMAND", FirstCmd}],
    ?line Func = "start_heart_stress",
    ?line Arg = NN3 ++ "@" ++ Host ++ " " ++ 
	filename:join(?config(data_dir, Config), "simple_echo"),
    ?line start_node_run(Name,Env,Func,Arg),
    ?line case wait_for_any_of(list_to_atom(NN2 ++ "@" ++ Host),
			       list_to_atom(NN3 ++ "@" ++ Host)) of
	      2 ->
		  ?line [ok | do_dont_drop(Config,N-1)];
	      _ ->
		  ?line false
	  end.

wait_for_any_of(N1,N2) ->
    ?line wait_for_any_of(N1,N2,45).

wait_for_any_of(_N1,_N2,0) ->
    ?line false;

wait_for_any_of(N1,N2,Times) ->
    ?line receive 
	  after 1000 ->
		  ?line ok
	  end,
    ?line case net_adm:ping(N1) of
	      pang ->
		  ?line case net_adm:ping(N2) of
			    pang ->
				?line wait_for_any_of(N1,N2,Times - 1);
			    pong ->
				?line rpc:call(N2,init,stop,[]),  
				?line 2
			end;
	      pong ->
		  ?line rpc:call(N1,init,stop,[]),  
		  ?line 1
	  end.


kill_pid(suite) ->
    [];
kill_pid(doc) ->
    ["Tests that heart kills the old erlang node before executing ",
     "heart command."];
kill_pid(Config) when is_list(Config) ->
    %%% Have to do it some times to make it happen...
    case os:type() of
	vxworks ->
	    {comment, "No use to run with slaves on other nodes..."};
	_ ->
	    ok = do_kill_pid(Config)
    end.

do_kill_pid(_Config) ->
    Name = heart_test,
    Env = [{"HEART_COMMAND", "nickeNyfikenFarEttJobb"}],
    {ok,Node} = start_node_run(Name,Env,suicide_by_heart,[]),
    ok = wait_for_node(Node,15),
    erlang:monitor_node(Node, true),
    receive
	{nodedown,Node} ->
	    ok
    after 30000 ->
	    false
    end.

wait_for_node(_,0) ->
    false;
wait_for_node(Node,N) ->
    receive
    after 1000 ->
	    ok
    end,
    case net_adm:ping(Node) of
	pong ->
	    ok;
	pang ->
	    wait_for_node(Node,N-1)
    end.

erl() ->	   
    case os:type() of
	{win32,_} ->
	    "werl ";
	_ ->
	    "erl "
    end.
    
name(Node) when is_list(Node) -> name(Node,[]);
name(Node) when is_atom(Node) -> name(atom_to_list(Node),[]).

name([$@|Node], Name) ->
    case lists:member($., Node) of
	true ->
	    "-name " ++ lists:reverse(Name);
	_ ->
	    "-sname " ++ lists:reverse(Name)
    end;
name([H|T], Name) ->
    name(T, [H|Name]).


atom_conv(A) when is_atom(A) ->
    atom_to_list(A);
atom_conv(A) when is_list(A) ->
    A.

env_conv([]) ->
    [];
env_conv([{X,Y}|T]) ->
    atom_conv(X) ++ " \"" ++ atom_conv(Y) ++ "\" " ++ env_conv(T).

%%%
%%% Starts a node and runs a function in this
%%% module.
%%% Name is the node name as either atom or string,
%%% Env is a list of Tuples containing name-value pairs.
%%% Function is the function to run in this module
%%% Argument is the argument(s) to send through erl -s
%%%
start_node_run(Name, Env, Function, Argument) -> 
    ?line PA = filename:dirname(code:which(?MODULE)),
    ?line Params = "-heart -env " ++ env_conv(Env) ++ " -pa " ++ PA ++ 
	" -s " ++ 
	atom_conv(?MODULE) ++ " " ++ atom_conv(Function) ++ " " ++
	atom_conv(Argument),
    ?line start_node(Name, Params).

start_node(Name, Param) ->
    test_server:start_node(Name, slave, [{args, Param}]).

stop_node(Node) ->
    test_server:stop_node(Node).


%%% This code is run in a slave node to ensure that 
%%% A heart command really gets set syncronously 
%%% and cannot get "dropped".

send_to(_,_,0) ->
    ok;
send_to(Port,D,N) ->
    Port ! {self(),{command,D}},
    send_to(Port,D,N-1).

receive_from(_,_,0) ->
    ok;

receive_from(Port,D,N) ->
    receive
	{Port, {data,{eol,_Data}}} ->
	    receive_from(Port,D,N-1);
	X ->
	    io:format("Got garbage ~p~n",[X])
    end.

mangle(PP) when is_list(PP) ->
    Port = open_port({spawn,PP},[{line,100}]),
    mangle(Port);

mangle(Port) ->
    send_to(Port, "ABCDEFGHIJ" ++ io_lib:nl(),1),
    receive_from(Port,"ABCDEFGHIJ",1),
    mangle(Port).



explode(0,_) ->
    ok;
explode(N,PP) ->
    spawn(?MODULE,mangle,[PP]),
    explode(N-1,PP).

start_heart_stress([NewName,PortProgram]) ->
    explode(10,atom_to_list(PortProgram)),
    NewCmd = erl() ++ name(NewName), 
    %%io:format("~p~n",[NewCmd]),
    receive
    after 10000 ->
	    heart:set_cmd(NewCmd),
	    halt()
    end.

suicide_by_heart() ->
    %%io:format("Suicide starting...~n"),
    open_port({spawn,"heart -ht 11 -pid "++os:getpid()},[{packet,2}]),
    receive X -> X end,
    %% Just hang and wait for heart to timeout
    receive
	{makaronipudding} ->
	    sallad
    end.