Mercurial > hg > nginx-tests
annotate proxy_cache_max_range_offset.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 | 766bcbb632ee |
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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 cache, proxy_cache_max_range_offset 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 |
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20 ############################################################################### |
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21 |
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22 select STDERR; $| = 1; |
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23 select STDOUT; $| = 1; |
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24 |
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25 my $t = Test::Nginx->new()->has(qw/http proxy cache/) |
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26 ->write_file_expand('nginx.conf', <<'EOF'); |
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27 |
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28 %%TEST_GLOBALS%% |
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29 |
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30 daemon off; |
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31 |
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32 events { |
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33 } |
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34 |
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35 http { |
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36 %%TEST_GLOBALS_HTTP%% |
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37 |
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38 proxy_cache_path %%TESTDIR%%/cache levels=1:2 |
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39 keys_zone=NAME:1m; |
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40 |
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41 server { |
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42 listen 127.0.0.1:8080; |
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43 server_name localhost; |
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44 |
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45 location / { |
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46 proxy_pass http://127.0.0.1:8081/; |
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47 proxy_cache NAME; |
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48 proxy_cache_valid 200 1m; |
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49 proxy_cache_max_range_offset 2; |
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50 } |
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51 |
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52 location /zero/ { |
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53 proxy_pass http://127.0.0.1:8081/; |
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54 proxy_cache NAME; |
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55 proxy_cache_valid 200 1m; |
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56 proxy_cache_max_range_offset 0; |
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57 } |
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58 |
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59 location /min_uses/ { |
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60 proxy_pass http://127.0.0.1:8081/; |
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61 proxy_cache NAME; |
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62 proxy_cache_valid 200 1m; |
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63 proxy_cache_max_range_offset 2; |
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64 proxy_cache_min_uses 2; |
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65 } |
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66 } |
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67 |
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68 server { |
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69 listen 127.0.0.1:8081; |
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70 server_name localhost; |
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71 |
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72 location / { |
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73 add_header X-Range $http_range; |
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74 } |
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75 } |
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76 } |
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77 |
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78 EOF |
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79 |
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80 $t->write_file('t.html', 'SEE-THIS'); |
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81 $t->run()->plan(8); |
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82 |
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83 ############################################################################### |
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84 |
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85 unlike(get('/t.html?1', 'bytes=1-'), qr/X-Range/, 'range - below'); |
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86 like(get('/t.html?2', 'bytes=3-'), qr/X-Range/, 'range - above'); |
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87 like(get('/t.html?3', 'bytes=-1'), qr/X-Range/, 'range - last'); |
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88 |
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89 TODO: { |
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90 local $TODO = 'not yet'; |
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91 |
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92 like(get('/t.html?4', 'bytes=1-1,3-'), qr/X-Range/, 'range - multipart above'); |
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93 |
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94 } |
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95 |
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96 like(get('/zero/t.html?5', 'bytes=0-0'), qr/X-Range/, 'always non-cacheable'); |
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97 like(get('/min_uses/t.html?6', 'bytes=1-'), qr/X-Range/, 'below min_uses'); |
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98 |
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99 # no range in client request |
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100 |
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101 like(http_get('/t.html'), qr/SEE-THIS/, 'no range'); |
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102 |
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103 $t->write_file('t.html', 'NOOP'); |
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104 like(http_get('/t.html'), qr/SEE-THIS/, 'no range - cached'); |
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105 |
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106 ############################################################################### |
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107 |
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108 sub get { |
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109 my ($url, $extra) = @_; |
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110 return http(<<EOF); |
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111 GET $url HTTP/1.1 |
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112 Host: localhost |
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113 Connection: close |
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114 Range: $extra |
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Tests: proxy_cache_max_range_offset tests.
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115 |
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Tests: proxy_cache_max_range_offset tests.
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116 EOF |
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Tests: proxy_cache_max_range_offset tests.
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117 } |
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Tests: proxy_cache_max_range_offset tests.
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118 |
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Tests: proxy_cache_max_range_offset tests.
Sergey Kandaurov <pluknet@nginx.com>
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119 ############################################################################### |