Mercurial > hg > nginx-tests
annotate upstream_hash_memcached.t @ 1236:93f749c1d5c5
Tests: fixed parallel tests execution with UDP.
Previously, when checking ports availability, a UDP socket was always created
first, then a TCP socket was created. On success, one of UDP and TCP sockets
was closed (depending on the "udp" option) and the second one was used to busy
this port in other scripts. This lead to the following problem: in an attempt
to reopen a UDP socket used in a given testing script it could be stolen by
another script as part of checking ports availability.
To solve this problem, UDP and TCP ports were split into two non-overlapping
ranges: TCP ports are only used in the range 8000-8499, and UDP ports - in
the range 8500-8999. In addition, the order of creating sockets in UDP tests
has been reversed: now a TCP socket used as a lock precedes a UDP socket.
author | Andrey Zelenkov <zelenkov@nginx.com> |
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date | Thu, 26 Oct 2017 18:00:21 +0300 |
parents | 196d33c2bb45 |
children | 673c3e12214e |
rev | line source |
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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 upstream hash balancer module distribution consistency |
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7 # with Cache::Memcached and Cache::Memcached::Fast. |
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8 |
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9 ############################################################################### |
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10 |
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11 use warnings; |
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12 use strict; |
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13 |
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14 use Test::More; |
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15 |
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16 use Config; |
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17 |
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18 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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19 |
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20 use lib 'lib'; |
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21 use Test::Nginx; |
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22 |
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23 ############################################################################### |
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24 |
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25 select STDERR; $| = 1; |
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26 select STDOUT; $| = 1; |
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27 |
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28 eval { require Cache::Memcached; }; |
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29 plan(skip_all => 'Cache::Memcached not installed') if $@; |
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30 eval { require Cache::Memcached::Fast; }; |
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31 plan(skip_all => 'Cache::Memcached::Fast not installed') if $@; |
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32 |
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33 my $t = Test::Nginx->new()->has(qw/http rewrite memcached upstream_hash/) |
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34 ->has_daemon('memcached')->plan(4); |
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35 |
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36 $t->write_file_expand('nginx.conf', <<'EOF'); |
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37 |
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38 %%TEST_GLOBALS%% |
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39 |
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40 daemon off; |
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41 |
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42 events { |
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43 } |
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44 |
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45 http { |
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46 %%TEST_GLOBALS_HTTP%% |
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47 |
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48 upstream memd { |
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49 hash $arg_a; |
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50 server 127.0.0.1:8081; |
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51 server 127.0.0.1:8082; |
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52 server 127.0.0.1:8083; |
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53 } |
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54 |
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55 upstream memd_c { |
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56 hash $arg_a consistent; |
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57 server 127.0.0.1:8081; |
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58 server 127.0.0.1:8082; |
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59 server 127.0.0.1:8083; |
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60 } |
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61 |
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62 upstream memd_w { |
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63 hash $arg_a; |
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64 server 127.0.0.1:8081 weight=2; |
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65 server 127.0.0.1:8082 weight=3; |
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66 server 127.0.0.1:8083; |
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67 } |
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68 |
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69 upstream memd_cw { |
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70 hash $arg_a consistent; |
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71 server 127.0.0.1:8081 weight=2; |
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72 server 127.0.0.1:8082 weight=3; |
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73 server 127.0.0.1:8083; |
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74 } |
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75 |
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76 server { |
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77 listen 127.0.0.1:8080; |
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78 server_name localhost; |
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79 |
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80 set $memcached_key $arg_a; |
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81 |
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82 location / { |
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83 memcached_pass memd; |
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84 } |
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85 location /c { |
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86 memcached_pass memd_c; |
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87 } |
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88 location /w { |
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89 memcached_pass memd_w; |
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90 } |
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91 location /cw { |
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92 memcached_pass memd_cw; |
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93 } |
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94 } |
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95 } |
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96 |
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97 EOF |
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98 |
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99 my $memhelp = `memcached -h`; |
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100 my @memopts = (); |
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101 |
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102 if ($memhelp =~ /repcached/) { |
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103 # repcached patch adds additional listen socket |
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104 push @memopts, '-X', '0'; |
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105 } |
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106 if ($memhelp =~ /-U/) { |
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107 # UDP port is on by default in memcached 1.2.7+ |
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108 push @memopts, '-U', '0'; |
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109 } |
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110 |
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111 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', port(8081), @memopts); |
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112 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', port(8082), @memopts); |
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113 $t->run_daemon('memcached', '-l', '127.0.0.1', '-p', port(8083), @memopts); |
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114 $t->run(); |
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115 |
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116 $t->waitforsocket('127.0.0.1:' . port(8081)) or die "Can't start memcached"; |
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117 $t->waitforsocket('127.0.0.1:' . port(8082)) or die "Can't start memcached"; |
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118 $t->waitforsocket('127.0.0.1:' . port(8083)) or die "Can't start memcached"; |
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119 |
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120 ############################################################################### |
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121 |
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122 my $memd1 = Cache::Memcached->new(servers => [ '127.0.0.1:' . port(8081) ], |
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123 connect_timeout => 1.0); |
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124 my $memd2 = Cache::Memcached->new(servers => [ '127.0.0.1:' . port(8082) ], |
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125 connect_timeout => 1.0); |
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126 my $memd3 = Cache::Memcached->new(servers => [ '127.0.0.1:' . port(8083) ], |
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127 connect_timeout => 1.0); |
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128 |
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129 for my $i (1 .. 20) { |
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130 $memd1->set($i, port(8081)) or die "can't put value into memcached: $!"; |
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131 $memd2->set($i, port(8082)) or die "can't put value into memcached: $!"; |
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132 $memd3->set($i, port(8083)) or die "can't put value into memcached: $!"; |
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133 } |
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134 |
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135 my $memd = new Cache::Memcached(servers => [ |
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136 '127.0.0.1:' . port(8081), |
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137 '127.0.0.1:' . port(8082), |
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138 '127.0.0.1:' . port(8083) ]); |
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139 |
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140 is_deeply(ngx('/'), mem($memd), 'cache::memcached'); |
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141 |
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142 $memd = new Cache::Memcached::Fast({ ketama_points => 160, servers => [ |
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143 '127.0.0.1:' . port(8081), |
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144 '127.0.0.1:' . port(8082), |
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145 '127.0.0.1:' . port(8083)] }); |
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146 |
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147 is_deeply(ngx('/c'), mem($memd), 'cache::memcached::fast'); |
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148 |
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149 $memd = new Cache::Memcached(servers => [ |
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150 [ '127.0.0.1:' . port(8081), 2 ], |
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151 [ '127.0.0.1:' . port(8082), 3 ], |
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152 [ '127.0.0.1:' . port(8083), 1 ]]); |
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153 |
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154 is_deeply(ngx('/w'), mem($memd), 'cache::memcached weight'); |
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155 |
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156 $memd = new Cache::Memcached::Fast({ ketama_points => 160, servers => [ |
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157 { address => '127.0.0.1:' . port(8081), weight => 2 }, |
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158 { address => '127.0.0.1:' . port(8082), weight => 3 }, |
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159 { address => '127.0.0.1:' . port(8083), weight => 1 }] }); |
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160 |
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161 is_deeply(ngx('/cw'), mem($memd), 'cache::memcached::fast weight'); |
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162 |
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163 ############################################################################### |
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164 |
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165 sub ngx { |
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166 my ($uri) = @_; |
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167 [ map { http_get("/$uri?a=$_") =~ /^(\d+)/ms && $1; } (1 .. 20) ]; |
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168 } |
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169 |
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170 sub mem { |
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171 my ($memd) = @_; |
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172 [ map { $memd->get($_); } (1 .. 20) ]; |
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173 } |
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174 |
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175 ############################################################################### |