Mercurial > hg > nginx-tests
annotate h2_proxy_max_temp_file_size.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> |
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date | Wed, 29 Dec 2021 22:29:23 +0300 |
parents | 696322b7e2c3 |
children | 236d038dc04a |
rev | line source |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Sergey Kandaurov |
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4 # (C) Nginx, Inc. |
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5 |
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6 # Tests for http proxy module, proxy_max_temp_file_size directive. |
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7 |
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8 ############################################################################### |
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9 |
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10 use warnings; |
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11 use strict; |
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12 |
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13 use Test::More; |
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14 |
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15 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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16 |
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17 use lib 'lib'; |
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18 use Test::Nginx; |
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19 use Test::Nginx::HTTP2; |
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20 |
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21 ############################################################################### |
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22 |
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23 select STDERR; $| = 1; |
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24 select STDOUT; $| = 1; |
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25 |
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26 my $t = Test::Nginx->new()->has(qw/http http_v2 proxy/)->plan(4); |
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27 |
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28 $t->write_file_expand('nginx.conf', <<'EOF'); |
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29 |
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30 %%TEST_GLOBALS%% |
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31 |
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32 daemon off; |
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33 |
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34 events { |
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35 } |
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36 |
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37 http { |
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38 %%TEST_GLOBALS_HTTP%% |
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39 |
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40 server { |
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41 listen 127.0.0.1:8080 http2; |
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42 server_name localhost; |
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43 |
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44 proxy_buffer_size 4k; |
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45 proxy_buffers 8 4k; |
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46 |
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47 location / { |
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48 proxy_max_temp_file_size 4k; |
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49 proxy_pass http://127.0.0.1:8081/; |
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50 } |
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51 |
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52 location /off/ { |
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53 proxy_max_temp_file_size 0; |
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54 proxy_pass http://127.0.0.1:8081/; |
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55 } |
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56 } |
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57 |
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58 server { |
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59 listen 127.0.0.1:8081; |
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60 server_name localhost; |
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61 |
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62 location / { } |
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63 } |
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64 } |
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65 |
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66 EOF |
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67 |
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68 $t->write_file('1', 'X' x (1024 * 1024)); |
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69 $t->run(); |
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70 |
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71 ############################################################################### |
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72 |
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73 # test that the response is wholly proxied when all event pipe buffers are full |
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74 |
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75 my $s = Test::Nginx::HTTP2->new(); |
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76 my $sid = $s->new_stream({ path => '/1' }); |
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77 |
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78 select undef, undef, undef, 0.4; |
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79 $s->h2_window(1024 * 1024, $sid); |
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80 $s->h2_window(1024 * 1024); |
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81 |
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82 my $frames = $s->read(all => [{ sid => $sid, fin => 1 }]); |
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83 my $body = join '', map { $_->{data} } grep { $_->{type} eq "DATA" } @$frames; |
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84 like($body, qr/^X+$/m, 'no pipe bufs - body'); |
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85 is(length($body), 1024 * 1024, 'no pipe bufs - body length'); |
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86 |
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87 # also with disabled proxy temp file |
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88 |
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89 $s = Test::Nginx::HTTP2->new(); |
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90 $sid = $s->new_stream({ path => '/off/1' }); |
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91 |
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92 select undef, undef, undef, 0.4; |
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93 $s->h2_window(1024 * 1024, $sid); |
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94 $s->h2_window(1024 * 1024); |
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95 |
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96 $frames = $s->read(all => [{ sid => $sid, fin => 1 }]); |
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97 $body = join '', map { $_->{data} } grep { $_->{type} eq "DATA" } @$frames; |
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98 like($body, qr/^X+$/m, 'no temp file - body'); |
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99 is(length($body), 1024 * 1024, 'no temp file - body length'); |
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100 |
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101 ############################################################################### |