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
| | # Copyright (c) 2009 Eric Wong
require 'test/test_helper'
do_test = true
$unicorn_bin = ENV['UNICORN_TEST_BIN'] || "unicorn"
redirect_test_io do
do_test = system($unicorn_bin, '-v')
end
unless do_test
warn "#{$unicorn_bin} not found in PATH=#{ENV['PATH']}, " \
"skipping this test"
end
unless try_require('rack')
warn "Unable to load Rack, skipping this test"
do_test = false
end
class ExecTest < Test::Unit::TestCase
trap(:QUIT, 'IGNORE')
HI = <<-EOS
use Rack::ContentLength
run proc { |env| [ 200, { 'Content-Type' => 'text/plain' }, [ "HI\\n" ] ] }
EOS
HELLO = <<-EOS
class Hello
def call(env)
[ 200, { 'Content-Type' => 'text/plain' }, [ "HI\\n" ] ]
end
end
EOS
COMMON_TMP = Tempfile.new('unicorn_tmp') unless defined?(COMMON_TMP)
HEAVY_CFG = <<-EOS
worker_processes 4
timeout 30
logger Logger.new('#{COMMON_TMP.path}')
before_fork do |server, worker_nr|
server.logger.info "before_fork: worker=\#{worker_nr}"
end
EOS
def setup
@pwd = Dir.pwd
@tmpfile = Tempfile.new('unicorn_exec_test')
@tmpdir = @tmpfile.path
@tmpfile.close!
Dir.mkdir(@tmpdir)
Dir.chdir(@tmpdir)
@addr = ENV['UNICORN_TEST_ADDR'] || '127.0.0.1'
@port = unused_port(@addr)
@sockets = []
@start_pid = $$
end
def teardown
return if @start_pid != $$
Dir.chdir(@pwd)
FileUtils.rmtree(@tmpdir)
@sockets.each { |path| File.unlink(path) rescue nil }
loop do
Process.kill('-QUIT', 0)
begin
Process.waitpid(-1, Process::WNOHANG) or break
rescue Errno::ECHILD
break
end
end
end
def test_basic
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
pid = fork do
redirect_test_io { exec($unicorn_bin, "-l", "#{@addr}:#{@port}") }
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
assert_shutdown(pid)
end
def test_help
redirect_test_io do
assert(system($unicorn_bin, "-h"), "help text returns true")
end
assert_equal 0, File.stat("test_stderr.#$$.log").size
assert_not_equal 0, File.stat("test_stdout.#$$.log").size
lines = File.readlines("test_stdout.#$$.log")
# Be considerate of the on-call technician working from their
# mobile phone or netbook on a slow connection :)
assert lines.size <= 24, "help height fits in an ANSI terminal window"
lines.each do |line|
assert line.size <= 80, "help width fits in an ANSI terminal window"
end
end
def test_broken_reexec_config
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
pid_file = "#{@tmpdir}/test.pid"
old_file = "#{pid_file}.oldbin"
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite("listen %(#@addr:#@port)\n")
ucfg.syswrite("pid %(#{pid_file})\n")
ucfg.syswrite("logger Logger.new(%(#{@tmpdir}/log))\n")
pid = xfork do
redirect_test_io do
exec($unicorn_bin, "-D", "-l#{@addr}:#{@port}", "-c#{ucfg.path}")
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
wait_for_file(pid_file)
Process.waitpid(pid)
Process.kill(:USR2, File.read(pid_file).to_i)
wait_for_file(old_file)
wait_for_file(pid_file)
old_pid = File.read(old_file).to_i
Process.kill(:QUIT, old_pid)
wait_for_death(old_pid)
ucfg.syswrite("timeout %(#{pid_file})\n") # introduce a bug
current_pid = File.read(pid_file).to_i
Process.kill(:USR2, current_pid)
# wait for pid_file to restore itself
tries = DEFAULT_TRIES
begin
while current_pid != File.read(pid_file).to_i
sleep(DEFAULT_RES) and (tries -= 1) > 0
end
rescue Errno::ENOENT
(sleep(DEFAULT_RES) and (tries -= 1) > 0) and retry
end
assert_equal current_pid, File.read(pid_file).to_i
tries = DEFAULT_TRIES
while File.exist?(old_file)
(sleep(DEFAULT_RES) and (tries -= 1) > 0) or break
end
assert ! File.exist?(old_file), "oldbin=#{old_file} gone"
port2 = unused_port(@addr)
# fix the bug
ucfg.sysseek(0)
ucfg.truncate(0)
ucfg.syswrite("listen %(#@addr:#@port)\n")
ucfg.syswrite("listen %(#@addr:#{port2})\n")
ucfg.syswrite("pid %(#{pid_file})\n")
assert_nothing_raised { Process.kill(:USR2, current_pid) }
wait_for_file(old_file)
wait_for_file(pid_file)
new_pid = File.read(pid_file).to_i
assert_not_equal current_pid, new_pid
assert_equal current_pid, File.read(old_file).to_i
results = retry_hit(["http://#{@addr}:#{@port}/",
"http://#{@addr}:#{port2}/"])
assert_equal String, results[0].class
assert_equal String, results[1].class
assert_nothing_raised do
Process.kill(:QUIT, current_pid)
Process.kill(:QUIT, new_pid)
end
end
def test_broken_reexec_ru
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
pid_file = "#{@tmpdir}/test.pid"
old_file = "#{pid_file}.oldbin"
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite("pid %(#{pid_file})\n")
ucfg.syswrite("logger Logger.new(%(#{@tmpdir}/log))\n")
pid = xfork do
redirect_test_io do
exec($unicorn_bin, "-D", "-l#{@addr}:#{@port}", "-c#{ucfg.path}")
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
wait_for_file(pid_file)
Process.waitpid(pid)
Process.kill(:USR2, File.read(pid_file).to_i)
wait_for_file(old_file)
wait_for_file(pid_file)
old_pid = File.read(old_file).to_i
Process.kill(:QUIT, old_pid)
wait_for_death(old_pid)
File.unlink("config.ru") # break reloading
current_pid = File.read(pid_file).to_i
Process.kill(:USR2, current_pid)
# wait for pid_file to restore itself
tries = DEFAULT_TRIES
begin
while current_pid != File.read(pid_file).to_i
sleep(DEFAULT_RES) and (tries -= 1) > 0
end
rescue Errno::ENOENT
(sleep(DEFAULT_RES) and (tries -= 1) > 0) and retry
end
tries = DEFAULT_TRIES
while File.exist?(old_file)
(sleep(DEFAULT_RES) and (tries -= 1) > 0) or break
end
assert ! File.exist?(old_file), "oldbin=#{old_file} gone"
assert_equal current_pid, File.read(pid_file).to_i
# fix the bug
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
assert_nothing_raised { Process.kill(:USR2, current_pid) }
wait_for_file(old_file)
wait_for_file(pid_file)
new_pid = File.read(pid_file).to_i
assert_not_equal current_pid, new_pid
assert_equal current_pid, File.read(old_file).to_i
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
assert_nothing_raised do
Process.kill(:QUIT, current_pid)
Process.kill(:QUIT, new_pid)
end
end
def test_unicorn_config_listen_with_options
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite("listen '#{@addr}:#{@port}', :backlog => 512,\n")
ucfg.syswrite(" :rcvbuf => 4096,\n")
ucfg.syswrite(" :sndbuf => 4096\n")
pid = xfork do
redirect_test_io { exec($unicorn_bin, "-c#{ucfg.path}") }
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
assert_shutdown(pid)
end
def test_unicorn_config_listen_augments_cli
port2 = unused_port(@addr)
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite("listen '#{@addr}:#{@port}'\n")
pid = xfork do
redirect_test_io do
exec($unicorn_bin, "-c#{ucfg.path}", "-l#{@addr}:#{port2}")
end
end
uris = [@port, port2].map { |i| "http://#{@addr}:#{i}/" }
results = retry_hit(uris)
assert_equal results.size, uris.size
assert_equal String, results[0].class
assert_equal String, results[1].class
assert_shutdown(pid)
end
def test_weird_config_settings
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite(HEAVY_CFG)
pid = xfork do
redirect_test_io do
exec($unicorn_bin, "-c#{ucfg.path}", "-l#{@addr}:#{@port}")
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
wait_master_ready(COMMON_TMP.path)
wait_workers_ready(COMMON_TMP.path, 4)
bf = File.readlines(COMMON_TMP.path).grep(/\bbefore_fork: worker=/)
assert_equal 4, bf.size
rotate = Tempfile.new('unicorn_rotate')
assert_nothing_raised do
File.rename(COMMON_TMP.path, rotate.path)
Process.kill(:USR1, pid)
end
wait_for_file(COMMON_TMP.path)
assert File.exist?(COMMON_TMP.path), "#{COMMON_TMP.path} exists"
# USR1 should've been passed to all workers
tries = DEFAULT_TRIES
log = File.readlines(rotate.path)
while (tries -= 1) > 0 &&
log.grep(/rotating logs\.\.\./).size < 5
sleep DEFAULT_RES
log = File.readlines(rotate.path)
end
assert_equal 5, log.grep(/rotating logs\.\.\./).size
assert_equal 0, log.grep(/done rotating logs/).size
tries = DEFAULT_TRIES
log = File.readlines(COMMON_TMP.path)
while (tries -= 1) > 0 && log.grep(/done rotating logs/).size < 5
sleep DEFAULT_RES
log = File.readlines(COMMON_TMP.path)
end
assert_equal 5, log.grep(/done rotating logs/).size
assert_equal 0, log.grep(/rotating logs\.\.\./).size
assert_nothing_raised { Process.kill(:QUIT, pid) }
status = nil
assert_nothing_raised { pid, status = Process.waitpid2(pid) }
assert status.success?, "exited successfully"
end
def test_read_embedded_cli_switches
File.open("config.ru", "wb") do |fp|
fp.syswrite("#\\ -p #{@port} -o #{@addr}\n")
fp.syswrite(HI)
end
pid = fork { redirect_test_io { exec($unicorn_bin) } }
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
assert_shutdown(pid)
end
def test_config_ru_alt_path
config_path = "#{@tmpdir}/foo.ru"
File.open(config_path, "wb") { |fp| fp.syswrite(HI) }
pid = fork do
redirect_test_io do
Dir.chdir("/")
exec($unicorn_bin, "-l#{@addr}:#{@port}", config_path)
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
assert_shutdown(pid)
end
def test_load_module
libdir = "#{@tmpdir}/lib"
FileUtils.mkpath([ libdir ])
config_path = "#{libdir}/hello.rb"
File.open(config_path, "wb") { |fp| fp.syswrite(HELLO) }
pid = fork do
redirect_test_io do
Dir.chdir("/")
exec($unicorn_bin, "-l#{@addr}:#{@port}", config_path)
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
assert_shutdown(pid)
end
def test_reexec
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
pid_file = "#{@tmpdir}/test.pid"
pid = fork do
redirect_test_io do
exec($unicorn_bin, "-l#{@addr}:#{@port}", "-P#{pid_file}")
end
end
reexec_basic_test(pid, pid_file)
end
def test_reexec_alt_config
config_file = "#{@tmpdir}/foo.ru"
File.open(config_file, "wb") { |fp| fp.syswrite(HI) }
pid_file = "#{@tmpdir}/test.pid"
pid = fork do
redirect_test_io do
exec($unicorn_bin, "-l#{@addr}:#{@port}", "-P#{pid_file}", config_file)
end
end
reexec_basic_test(pid, pid_file)
end
def test_unicorn_config_file
pid_file = "#{@tmpdir}/test.pid"
sock = Tempfile.new('unicorn_test_sock')
sock_path = sock.path
sock.close!
@sockets << sock_path
log = Tempfile.new('unicorn_test_log')
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite("listen \"#{sock_path}\"\n")
ucfg.syswrite("pid \"#{pid_file}\"\n")
ucfg.syswrite("logger Logger.new('#{log.path}')\n")
ucfg.close
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
pid = xfork do
redirect_test_io do
exec($unicorn_bin, "-l#{@addr}:#{@port}",
"-P#{pid_file}", "-c#{ucfg.path}")
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
wait_master_ready(log.path)
assert File.exist?(pid_file), "pid_file created"
assert_equal pid, File.read(pid_file).to_i
assert File.socket?(sock_path), "socket created"
assert_nothing_raised do
sock = UNIXSocket.new(sock_path)
sock.syswrite("GET / HTTP/1.0\r\n\r\n")
results = sock.sysread(4096)
end
assert_equal String, results.class
# try reloading the config
sock = Tempfile.new('unicorn_test_sock')
new_sock_path = sock.path
@sockets << new_sock_path
sock.close!
new_log = Tempfile.new('unicorn_test_log')
new_log.sync = true
assert_equal 0, new_log.size
assert_nothing_raised do
ucfg = File.open(ucfg.path, "wb")
ucfg.syswrite("listen \"#{new_sock_path}\"\n")
ucfg.syswrite("pid \"#{pid_file}\"\n")
ucfg.syswrite("logger Logger.new('#{new_log.path}')\n")
ucfg.close
Process.kill(:HUP, pid)
end
wait_for_file(new_sock_path)
assert File.socket?(new_sock_path), "socket exists"
@sockets.each do |path|
assert_nothing_raised do
sock = UNIXSocket.new(path)
sock.syswrite("GET / HTTP/1.0\r\n\r\n")
results = sock.sysread(4096)
end
assert_equal String, results.class
end
assert_not_equal 0, new_log.size
reexec_usr2_quit_test(pid, pid_file)
end
def test_daemonize_reexec
pid_file = "#{@tmpdir}/test.pid"
log = Tempfile.new('unicorn_test_log')
ucfg = Tempfile.new('unicorn_test_config')
ucfg.syswrite("pid \"#{pid_file}\"\n")
ucfg.syswrite("logger Logger.new('#{log.path}')\n")
ucfg.close
File.open("config.ru", "wb") { |fp| fp.syswrite(HI) }
pid = xfork do
redirect_test_io do
exec($unicorn_bin, "-D", "-l#{@addr}:#{@port}", "-c#{ucfg.path}")
end
end
results = retry_hit(["http://#{@addr}:#{@port}/"])
assert_equal String, results[0].class
wait_for_file(pid_file)
new_pid = File.read(pid_file).to_i
assert_not_equal pid, new_pid
pid, status = Process.waitpid2(pid)
assert status.success?, "original process exited successfully"
assert_nothing_raised { Process.kill(0, new_pid) }
reexec_usr2_quit_test(new_pid, pid_file)
end
end if do_test
|