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annotate memcached_keepalive.t @ 250:0c9f15938545

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Tests: upstream keepalive tests imported.
author Maxim Dounin <mdounin@mdounin.ru>
date Thu, 24 Jan 2013 02:00:03 +0400
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children 6cbcfb4ef7ee
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250
0c9f15938545 Tests: upstream keepalive tests imported.
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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 # Test for memcached with keepalive.
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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 eval { require Cache::Memcached; };
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25 plan(skip_all => 'Cache::Memcached not installed') if $@;
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26
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27 my $t = Test::Nginx->new()->has('rewrite')->has_daemon('memcached')->plan(16)
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28 ->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 upstream memd {
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41 server 127.0.0.1:8081;
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42 keepalive 1;
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43 }
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44
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45 upstream memd3 {
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46 server 127.0.0.1:8081;
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47 server 127.0.0.1:8082;
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48 keepalive 1;
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49 }
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50
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51 upstream memd4 {
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52 server 127.0.0.1:8081;
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53 server 127.0.0.1:8082;
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54 keepalive 10;
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55 }
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56
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57 server {
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58 listen 127.0.0.1:8080;
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59 server_name localhost;
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60
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61 location / {
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62 set $memcached_key $uri;
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63 memcached_pass memd;
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64 }
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65
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66 location /next {
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67 set $memcached_key $uri;
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68 memcached_next_upstream not_found;
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69 memcached_pass memd;
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70 }
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71
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72 location /memd3 {
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73 set $memcached_key "/";
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74 memcached_pass memd3;
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75 }
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76
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77 location /memd4 {
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78 set $memcached_key "/";
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79 memcached_pass memd4;
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80 }
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81 }
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82 }
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83
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84 EOF
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85
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86 my $memhelp = `memcached -h`;
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87 my @memopts1 = ();
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88 my @memopts2 = ();
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89
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90 if ($memhelp =~ /repcached/) {
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91 # repcached patches adds additional listen socket memcached
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92 # that should be different too
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93
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94 push @memopts1, '-X', '8091';
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95 push @memopts2, '-X', '8092';
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96 }
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97 if ($memhelp =~ /-U/) {
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98 # UDP ports no longer off by default in memcached 1.2.7+
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99
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100 push @memopts1, '-U', '0';
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101 push @memopts2, '-U', '0';
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102 }
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103
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104 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8081', @memopts1);
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105 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', '8082', @memopts2);
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106
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107 $t->run();
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108
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109 $t->waitforsocket('127.0.0.1:8081')
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110 or die "Unable to start memcached";
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111 $t->waitforsocket('127.0.0.1:8082')
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112 or die "Unable to start second memcached";
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113
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114 ###############################################################################
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115
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116 my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:8081' ]);
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117 my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:8082' ]);
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118
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119 $memd1->set('/', 'SEE-THIS');
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120 $memd2->set('/', 'SEE-THIS');
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121 $memd1->set('/big', 'X' x 1000000);
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122
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123 my $total = $memd1->stats()->{total}->{total_connections};
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124
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125 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request');
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126 like(http_get('/notfound'), qr/404/, 'keepalive memcached not found');
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127 like(http_get('/next'), qr/404/,
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128 'keepalive not found with memcached_next_upstream');
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129 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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130 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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131 like(http_get('/'), qr/SEE-THIS/, 'keepalive memcached request again');
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132
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133 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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134 'only one connection used');
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135
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136 # Since nginx doesn't read all data from connection in some situations (head
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137 # requests, post_action, errors writing to client) we have to close such
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138 # connections. Check if we really do close them.
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139
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140 $total = $memd1->stats()->{total}->{total_connections};
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141
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142 unlike(http_head('/'), qr/SEE-THIS/, 'head request');
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143 like(http_get('/'), qr/SEE-THIS/, 'get after head');
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144
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145 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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146 'head request closes connection');
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147
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148 $total = $memd1->stats()->{total}->{total_connections};
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149
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150 unlike(http_head('/big'), qr/XXX/, 'big head');
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151 like(http_get('/'), qr/SEE-THIS/, 'get after big head');
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152
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153 is($memd1->stats()->{total}->{total_connections}, $total + 1,
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154 'big head request closes connection');
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155
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156 # two backends with maximum number of cached connections set to 1,
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157 # should establish new connection on each request
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158
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159 $total = $memd1->stats()->{total}->{total_connections} +
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160 $memd2->stats()->{total}->{total_connections};
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161
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162 http_get('/memd3');
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163 http_get('/memd3');
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164 http_get('/memd3');
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165
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166 is($memd1->stats()->{total}->{total_connections} +
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167 $memd2->stats()->{total}->{total_connections}, $total + 3,
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168 '3 connections should be established');
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169
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170 # two backends with maximum number of cached connections set to 10,
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171 # should establish only two connections (1 per backend)
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172
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173 $total = $memd1->stats()->{total}->{total_connections} +
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174 $memd2->stats()->{total}->{total_connections};
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175
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176 http_get('/memd4');
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177 http_get('/memd4');
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178 http_get('/memd4');
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179
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180 is($memd1->stats()->{total}->{total_connections} +
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181 $memd2->stats()->{total}->{total_connections}, $total + 2,
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182 'connection per backend');
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183
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184 $t->stop();
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185
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186 like(`grep -F '[alert]' ${\($t->testdir())}/error.log`, qr/^$/s, 'no alerts');
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187
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188 ###############################################################################