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annotate upstream_least_conn.t @ 1974:b5036a0f9ae0 default tip

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Tests: improved compatibility when using recent "openssl" app. Starting with OpenSSL 3.0, "openssl genrsa" generates encrypted keys in PKCS#8 format instead of previously used PKCS#1 format. Further, since OpenSSL 1.1.0 such keys are using PBKDF2 hmacWithSHA256. Such keys are not supported by old SSL libraries, notably by OpenSSL before 1.0.0 (OpenSSL 0.9.8 only supports hmacWithSHA1) and by BoringSSL before May 21, 2019 (support for hmacWithSHA256 was added in 302a4dee6c), and trying to load such keys into nginx compiled with an old SSL library results in "unsupported prf" errors. To facilitate testing with old SSL libraries, keys are now generated with "openssl genrsa -traditional" if the flag is available.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 06 May 2024 00:04:26 +0300
parents 882267679006
children
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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 # Tests for upstream least_conn balancer 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 qw/ :DEFAULT http_end /;
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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 my $t = Test::Nginx->new()->has(qw/http proxy upstream_least_conn/)->plan(2);
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25
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26 $t->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 upstream u {
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39 least_conn;
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40 server 127.0.0.1:8081;
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41 server 127.0.0.1:8082;
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42 }
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43
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44 server {
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45 listen 127.0.0.1:8080;
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46 server_name localhost;
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47
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48 location / {
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49 proxy_pass http://u;
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50 }
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51 }
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52 }
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53
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54 EOF
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55
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56 $t->run_daemon(\&http_daemon, port(8081));
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57 $t->run_daemon(\&http_daemon, port(8082));
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58 $t->run();
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59
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60 $t->waitforsocket('127.0.0.1:' . port(8081));
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61 $t->waitforsocket('127.0.0.1:' . port(8082));
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62
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63 ###############################################################################
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64
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65 my @ports = my ($port1, $port2) = (port(8081), port(8082));
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66
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67 is(many('/', 10), "$port1: 5, $port2: 5", 'balanced');
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68
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69 my @sockets;
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70 push(@sockets, http_get('/w', start => 1));
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71 push(@sockets, http_get('/w', start => 1));
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72
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73 select undef, undef, undef, 0.2;
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74
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75 is(many('/w', 10), "$port2: 10", 'least conn');
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76
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77 ###############################################################################
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78
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79 sub many {
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80 my ($uri, $count) = @_;
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81 my %ports;
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82
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83 for (1 .. $count) {
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84 if (http_get($uri) =~ /X-Port: (\d+)/) {
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85 $ports{$1} = 0 unless defined $ports{$1};
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86 $ports{$1}++;
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87 }
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88 }
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89
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90 my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports;
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91 return join ', ', map { $_ . ": " . $ports{$_} } @keys;
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92 }
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93
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94 ###############################################################################
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95
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96 sub http_daemon {
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97 my ($port) = @_;
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98
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99 my $server = IO::Socket::INET->new(
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100 Proto => 'tcp',
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101 LocalHost => '127.0.0.1',
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102 LocalPort => $port,
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103 Listen => 5,
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104 Reuse => 1
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105 )
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106 or die "Can't create listening socket: $!\n";
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107
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108 local $SIG{PIPE} = 'IGNORE';
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109
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110 while (my $client = $server->accept()) {
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111 $client->autoflush(1);
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112
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113 my $headers = '';
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114 my $uri = '';
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115
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116 while (<$client>) {
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117 $headers .= $_;
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118 last if (/^\x0d?\x0a?$/);
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119 }
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120
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121 $uri = $1 if $headers =~ /^\S+\s+([^ ]+)\s+HTTP/i;
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122
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123 if ($uri eq '/w' && $port == port(8081)) {
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124 Test::Nginx::log_core('||', "$port: sleep(2.5)");
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125 select undef, undef, undef, 2.5;
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126 }
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127
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128 Test::Nginx::log_core('||', "$port: response, 200");
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129 print $client <<EOF;
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130 HTTP/1.1 200 OK
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131 Connection: close
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132 X-Port: $port
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133
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134 OK
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135 EOF
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136
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137 close $client;
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138 }
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139 }
71e275487aeb Tests: upstream least_conn and ip_hash tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
140
71e275487aeb Tests: upstream least_conn and ip_hash tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
141 ###############################################################################