Mercurial > hg > nginx-tests

annotate limit_conn.t @ 386:1b205a3332de

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Tests: adjusted limit_req rate value. This shortens excessive test execution time due to unnecessarily delayed backend connection after client connection close, which is usually observed when the client connection is closed before the request is proxied to backend.
author Sergey Kandaurov <pluknet@nginx.com>
date Wed, 26 Mar 2014 22:50:22 +0400
parents 68b94b83412b
children 60888e2c3f5a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 use Socket qw/ CRLF /;
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15
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16 BEGIN { use FindBin; chdir($FindBin::Bin); }
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17
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18 use lib 'lib';
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19 use Test::Nginx;
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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 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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27
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28 my $t = Test::Nginx->new()->has(qw/http proxy limit_conn limit_req/)->plan(10);
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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
386
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42 limit_req_zone $binary_remote_addr zone=req:1m rate=30r/m;
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43
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44 limit_conn_zone $binary_remote_addr zone=zone:1m;
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45 limit_conn_zone $binary_remote_addr zone=zone2:1m;
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46 limit_conn_zone $binary_remote_addr zone=custom:1m;
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47 limit_zone legacy $binary_remote_addr 1m;
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48
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49 server {
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50 listen 127.0.0.1:8081;
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51 server_name localhost;
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52
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53 location /w {
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54 limit_req zone=req burst=10;
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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 127.0.0.1:8080;
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60 server_name localhost;
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61
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62 location / {
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63 proxy_pass http://127.0.0.1:8081;
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64 limit_conn zone 1;
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65 }
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66
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67 location /1 {
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68 limit_conn zone 1;
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69 }
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70
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71 location /zone {
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72 limit_conn zone2 1;
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73 }
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74
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75 location /unlim {
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76 limit_conn zone 5;
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77 }
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78
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79 location /custom {
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80 proxy_pass http://127.0.0.1:8081/;
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81 limit_conn_log_level info;
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82 limit_conn_status 501;
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83 limit_conn custom 1;
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84 }
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85
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86 location /legacy {
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87 proxy_pass http://127.0.0.1:8081/;
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88 limit_conn legacy 1;
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89 }
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90 }
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91 }
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92
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93 EOF
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94
318
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95 open OLDERR, ">&", \*STDERR; close STDERR;
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96 $t->run();
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97 open STDERR, ">&", \*OLDERR;
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98
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99 ###############################################################################
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100
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101 # charge limit_req
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102
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103 http_get('/w');
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104
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105 # same and other zones in different locations
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106
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107 my $s = http_start('/w');
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108 like(http_get('/'), qr/^HTTP\/1.. 503 /, 'rejected');
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109 like(http_get('/1'), qr/^HTTP\/1.. 503 /, 'rejected different location');
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110 unlike(http_get('/zone'), qr/^HTTP\/1.. 503 /, 'passed different zone');
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111
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112 close $s;
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113 unlike(http_get('/1'), qr/^HTTP\/1.. 503 /, 'passed');
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114
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115 # custom error code and log level
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116
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117 $s = http_start('/custom/w');
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118 like(http_get('/custom'), qr/^HTTP\/1.. 501 /, 'limit_conn_status');
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119
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120 like(`grep -F '[info]' ${\($t->testdir())}/error.log`,
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121 qr/limiting connections by zone "custom"/s,
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122 'limit_conn_log_level');
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123
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124 # limit_zone
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125
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126 $s = http_start('/legacy/w');
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127 like(http_get('/legacy'), qr/^HTTP\/1.. 503 /, 'legacy rejected');
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128
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129 $s->close;
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130 unlike(http_get('/legacy'), qr/^HTTP\/.. 503 /, 'legacy passed');
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131
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132 # limited after unlimited
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133
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134 $s = http_start('/w');
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135 like(http_get('/unlim'), qr/404 Not Found/, 'unlimited passed');
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136 like(http_get('/'), qr/503 Service/, 'limited rejected');
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137
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138 ###############################################################################
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139
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140 sub http_start {
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141 my ($uri) = @_;
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142
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143 my $s;
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144 my $request = "GET $uri HTTP/1.0" . CRLF . CRLF;
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145
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146 eval {
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147 local $SIG{ALRM} = sub { die "timeout\n" };
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148 local $SIG{PIPE} = sub { die "sigpipe\n" };
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149 alarm(3);
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150 $s = IO::Socket::INET->new(
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151 Proto => 'tcp',
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152 PeerAddr => '127.0.0.1:8080'
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153 );
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154 log_out($request);
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155 $s->print($request);
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156 alarm(0);
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157 };
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158 alarm(0);
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159 if ($@) {
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160 log_in("died: $@");
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161 return undef;
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162 }
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163 return $s;
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164 }
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165
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166 ###############################################################################