Mercurial > hg > nginx-tests
annotate gunzip.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 | 882267679006 |
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rev | line source |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Maxim Dounin |
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4 |
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5 # Tests for gunzip filter module. |
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6 |
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7 ############################################################################### |
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8 |
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9 use warnings; |
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10 use strict; |
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11 |
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12 use Test::More; |
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13 |
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14 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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15 |
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16 use lib 'lib'; |
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17 use Test::Nginx qw/ :DEFAULT :gzip /; |
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18 |
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19 ############################################################################### |
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20 |
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21 select STDERR; $| = 1; |
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22 select STDOUT; $| = 1; |
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23 |
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24 eval { require IO::Compress::Gzip; }; |
773 | 25 plan(skip_all => "IO::Compress::Gzip not found") if $@; |
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26 |
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27 my $t = Test::Nginx->new()->has(qw/http gunzip proxy gzip_static rewrite/) |
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28 ->plan(13); |
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29 |
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30 $t->write_file_expand('nginx.conf', <<'EOF'); |
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31 |
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32 %%TEST_GLOBALS%% |
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33 |
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34 daemon off; |
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35 |
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36 events { |
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37 } |
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38 |
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39 http { |
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40 %%TEST_GLOBALS_HTTP%% |
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41 |
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42 server { |
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43 listen 127.0.0.1:8080; |
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44 server_name localhost; |
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45 location / { |
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46 gunzip on; |
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47 gzip_vary on; |
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48 proxy_pass http://127.0.0.1:8081/; |
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49 proxy_set_header Accept-Encoding gzip; |
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50 } |
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51 location /error { |
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52 error_page 500 /t1; |
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53 return 500; |
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54 } |
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55 } |
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56 |
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57 server { |
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58 listen 127.0.0.1:8081; |
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59 server_name localhost; |
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60 |
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61 location / { |
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62 default_type text/plain; |
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63 gzip_static on; |
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64 gzip_http_version 1.0; |
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65 gzip_types text/plain; |
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66 } |
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67 } |
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68 } |
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69 |
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70 EOF |
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71 |
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72 my $in = join('', map { sprintf "X%03dXXXXXX", $_ } (0 .. 99)); |
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73 my $out; |
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74 |
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75 IO::Compress::Gzip::gzip(\$in => \$out); |
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76 |
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77 $t->write_file('t1.gz', $out); |
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78 $t->write_file('t2.gz', $out . $out); |
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79 $t->write_file('t3', 'not compressed'); |
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80 |
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81 my $emptyin = ''; |
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82 my $emptyout; |
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83 IO::Compress::Gzip::gzip(\$emptyin => \$emptyout); |
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84 |
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85 $t->write_file('empty.gz', $emptyout); |
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86 |
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87 $t->run(); |
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88 |
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89 ############################################################################### |
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90 |
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91 pass('runs'); |
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92 |
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93 my $r = http_get('/t1'); |
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94 unlike($r, qr/Content-Encoding/, 'no content encoding'); |
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95 like($r, qr/^(X\d\d\dXXXXXX){100}$/m, 'correct gunzipped response'); |
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96 |
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97 $r = http_gzip_request('/t1'); |
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98 like($r, qr/Content-Encoding: gzip/, 'gzip still works - encoding'); |
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99 like($r, qr/\Q$out\E/, 'gzip still works - content'); |
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100 |
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101 like(http_get('/t2'), qr/^(X\d\d\dXXXXXX){200}$/m, 'multiple gzip members'); |
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102 |
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103 like(http_get('/error'), qr/^(X\d\d\dXXXXXX){100}$/m, 'errors gunzipped'); |
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104 |
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105 unlike(http_head('/t1'), qr/Content-Encoding/, 'head - no content encoding'); |
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106 |
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107 like(http_get('/t1'), qr/Vary/, 'get vary'); |
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108 like(http_head('/t1'), qr/Vary/, 'head vary'); |
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109 unlike(http_get('/t3'), qr/Vary/, 'no vary on non-gzipped get'); |
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110 unlike(http_head('/t3'), qr/Vary/, 'no vary on non-gzipped head'); |
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111 |
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112 like(http_get('/empty'), qr/ 200 /, 'gunzip empty'); |
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113 |
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114 ############################################################################### |