Mercurial > hg > nginx-tests
annotate request_id.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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rev | line source |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Andrey Zelenkov |
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4 # (C) Nginx, Inc. |
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5 |
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6 # Tests for request_id variable. |
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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 rewrite ssi/) |
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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 log_format id $request_id; |
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39 |
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40 server { |
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41 listen 127.0.0.1:8080; |
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42 server_name localhost; |
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43 |
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44 add_header X-Request-Id $request_id; |
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45 add_header X-blah blah; |
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46 |
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47 location / { |
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48 ssi on; |
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49 } |
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50 location /body { |
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51 return 200 $request_id; |
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52 } |
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53 location /log { |
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54 access_log %%TESTDIR%%/id.log id; |
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55 return 200; |
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56 } |
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57 } |
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58 } |
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59 |
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60 EOF |
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61 |
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62 $t->write_file('index.html', ''); |
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63 $t->write_file('add.html', '<!--#include virtual="/body" -->'); |
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64 $t->run()->plan(12); |
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65 |
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66 ############################################################################### |
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67 |
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68 my ($id1) = http_get('/') =~ qr/^X-Request-Id: (.*)\x0d/m; |
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69 my ($id2) = http_get('/') =~ qr/^X-Request-Id: (.*)\x0d/m; |
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70 |
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71 like($id1, qr/^[a-z0-9]{32}$/, 'format id 1'); |
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72 like($id2, qr/^[a-z0-9]{32}$/, 'format id 2'); |
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73 |
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74 isnt($id1, $id2, 'different id'); |
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75 |
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76 # same request |
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77 |
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78 ($id1, $id2) = http_get('/body') |
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79 =~ qr/^X-Request-Id: (.*?)\x0d.*\x0d\x0a(.*)/ms; |
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80 |
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81 like($id1, qr/^[a-z0-9]{32}$/, 'format id 1 - same'); |
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82 like($id2, qr/^[a-z0-9]{32}$/, 'format id 2 - same'); |
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83 |
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84 is($id1, $id2, 'equal id - same'); |
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85 |
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86 # subrequest |
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87 |
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88 ($id1, $id2) = http_get('/add.html') |
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89 =~ qr/^X-Request-Id: (.*?)\x0d.*\x0d\x0a(.*)/ms; |
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90 |
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91 like($id1, qr/^[a-z0-9]{32}$/, 'format id 1 - sub'); |
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92 like($id2, qr/^[a-z0-9]{32}$/, 'format id 2 - sub'); |
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93 |
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94 is($id1, $id2, 'equal id - sub'); |
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95 |
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96 # log |
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97 |
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98 ($id1) = http_get('/log') =~ qr/^X-Request-Id: (.*)\x0d/m; |
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99 |
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100 $t->stop(); |
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101 |
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102 $id2 = $t->read_file('/id.log'); |
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103 chomp $id2; |
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104 |
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105 like($id1, qr/^[a-z0-9]{32}$/, 'format id 1 - log'); |
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106 like($id2, qr/^[a-z0-9]{32}$/, 'format id 2 - log'); |
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107 |
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108 is($id1, $id2, 'equal id - log'); |
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109 |
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110 ############################################################################### |