Mercurial > hg > nginx-tests
annotate memcached_fake_extra.t @ 1752:ba6e24e38f03
Tests: improved stop_daemons() to send signal again.
As was observed, it's possible that a signal to complete a uwsgi daemon
can be ignored while it is starting up, which results in tests hang due
to eternal waiting on child processes termination. Notably, it is seen
when running tests with a high number of prove jobs on a low-profile VM
against nginx with broken modules and/or configuration. To reproduce:
$ TEST_NGINX_GLOBALS=ERROR prove -j16 uwsgi*.t
Inspecting uwsgi under ktrace on FreeBSD confirms that a SIGTERM signal
is ignored at the very beginning of uwsgi startup. It is then replaced
with a default action after listen(), thus waiting until uwsgi is ready
to accept new TCP connections doesn't completely solve the hang window.
The fix is to retry sending a signal some time after waitpid(WNOHANG)
continuously demonstrated no progress with reaping a signaled process.
It is modelled after f13ead27f89c that improved stop() for nginx.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 29 Dec 2021 22:29:23 +0300 |
parents | 5ac6efbe5552 |
children |
rev | line source |
---|---|
1581
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
1 #!/usr/bin/perl |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
2 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
3 # (C) Maxim Dounin |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
4 # (C) Nginx, Inc. |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
5 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
6 # Test for memcached backend returning extra data after trailer. |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
7 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
8 ############################################################################### |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
9 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
10 use warnings; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
11 use strict; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
12 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
13 use Test::More; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
14 use Socket qw/ CRLF /; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
15 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
16 BEGIN { use FindBin; chdir($FindBin::Bin); } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
17 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
18 use lib 'lib'; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
19 use Test::Nginx; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
20 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
21 ############################################################################### |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
22 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
23 select STDERR; $| = 1; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
24 select STDOUT; $| = 1; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
25 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
26 my $t = Test::Nginx->new()->has(qw/http rewrite memcached/)->plan(1) |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
27 ->write_file_expand('nginx.conf', <<'EOF'); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
28 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
29 %%TEST_GLOBALS%% |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
30 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
31 daemon off; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
32 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
33 events { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
34 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
35 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
36 http { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
37 %%TEST_GLOBALS_HTTP%% |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
38 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
39 server { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
40 listen 127.0.0.1:8080; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
41 server_name localhost; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
42 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
43 location / { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
44 set $memcached_key $uri; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
45 memcached_pass 127.0.0.1:8081; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
46 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
47 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
48 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
49 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
50 EOF |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
51 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
52 $t->run_daemon(\&memcached_fake_daemon); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
53 $t->run(); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
54 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
55 $t->waitforsocket('127.0.0.1:' . port(8081)) |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
56 or die "Can't start fake memcached"; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
57 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
58 ############################################################################### |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
59 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
60 like(http_get('/'), qr/SEE-THIS/, 'memcached data after trailer'); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
61 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
62 ############################################################################### |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
63 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
64 sub memcached_fake_daemon { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
65 my $server = IO::Socket::INET->new( |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
66 Proto => 'tcp', |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
67 LocalAddr => '127.0.0.1:' . port(8081), |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
68 Listen => 5, |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
69 Reuse => 1 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
70 ) |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
71 or die "Can't create listening socket: $!\n"; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
72 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
73 local $SIG{PIPE} = 'IGNORE'; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
74 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
75 while (my $client = $server->accept()) { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
76 $client->autoflush(1); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
77 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
78 while (<$client>) { |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
79 last if (/\x0d\x0a$/); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
80 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
81 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
82 print $client 'VALUE / 0 8' . CRLF; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
83 print $client 'SEE-THIS' . CRLF . 'END' . CRLF |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
84 . "\0" . ("1" x 1024); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
85 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
86 select(undef, undef, undef, 0.2); |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
87 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
88 print $client 'EXTRA' . CRLF; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
89 close $client; |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
90 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
91 } |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
92 |
463d6863d360
Tests: tests for extra data and short responses.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff
changeset
|
93 ############################################################################### |