Mercurial > hg > nginx-tests

annotate limit_conn.t @ 572:ca54b445d982

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Tests: masked nginx bug in proxy next upstream. When iterating through several next upstreams per a worker cycle, a previously reported event about upstream connection error may be improperly applied to the next upstream, thus leading to the invalid connection error. E.g., in kqueue, where the problem is visible, this is caused by "ev->instance" that does not tolerate more than one next upstream at once, and kevents placed on the kqueue separately for read and write events. The change is to limit test case to the only one next upstream.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 14 May 2015 11:54:24 +0300
parents b86c05516e65
children 2cd00179f4b2
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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
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5 # limit_req based tests for nginx limit_conn 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;
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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 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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25
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26 my $t = Test::Nginx->new()->has(qw/http proxy limit_conn limit_req/)->plan(8);
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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 limit_req_zone $binary_remote_addr zone=req:1m rate=30r/m;
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41
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42 limit_conn_zone $binary_remote_addr zone=zone:1m;
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43 limit_conn_zone $binary_remote_addr zone=zone2:1m;
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44 limit_conn_zone $binary_remote_addr zone=custom:1m;
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45
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46 server {
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47 listen 127.0.0.1:8081;
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48 server_name localhost;
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49
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50 location /w {
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51 limit_req zone=req burst=10;
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52 }
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53 }
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54
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55 server {
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56 listen 127.0.0.1:8080;
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57 server_name localhost;
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58
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59 location / {
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60 proxy_pass http://127.0.0.1:8081;
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61 limit_conn zone 1;
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62 }
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63
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64 location /1 {
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65 limit_conn zone 1;
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66 }
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67
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68 location /zone {
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69 limit_conn zone2 1;
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70 }
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71
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72 location /unlim {
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73 limit_conn zone 5;
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74 }
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75
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76 location /custom {
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77 proxy_pass http://127.0.0.1:8081/;
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78 limit_conn_log_level info;
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79 limit_conn_status 501;
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80 limit_conn custom 1;
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81 }
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82 }
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83 }
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84
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85 EOF
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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 # charge limit_req
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92
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93 http_get('/w');
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94
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95 # same and other zones in different locations
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96
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97 my $s = http_get('/w', start => 1);
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98 like(http_get('/'), qr/^HTTP\/1.. 503 /, 'rejected');
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99 like(http_get('/1'), qr/^HTTP\/1.. 503 /, 'rejected different location');
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100 unlike(http_get('/zone'), qr/^HTTP\/1.. 503 /, 'passed different zone');
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101
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102 close $s;
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103 unlike(http_get('/1'), qr/^HTTP\/1.. 503 /, 'passed');
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104
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105 # custom error code and log level
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106
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107 $s = http_get('/custom/w', start => 1);
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108 like(http_get('/custom'), qr/^HTTP\/1.. 501 /, 'limit_conn_status');
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109
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110 like($t->read_file('error.log'),
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111 qr/\[info\].*limiting connections by zone "custom"/,
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112 'limit_conn_log_level');
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113
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114 # limited after unlimited
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115
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116 $s = http_get('/w', start => 1);
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117 like(http_get('/unlim'), qr/404 Not Found/, 'unlimited passed');
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118 like(http_get('/'), qr/503 Service/, 'limited rejected');
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119
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120 ###############################################################################