| #!/usr/bin/perl |
| |
| # (C) Sergey Kandaurov |
| # (C) Nginx, Inc. |
| |
| # Tests for upstream random balancer module. |
| |
| ############################################################################### |
| |
| use warnings; |
| use strict; |
| |
| use Test::More; |
| |
| BEGIN { use FindBin; chdir($FindBin::Bin); } |
| |
| use lib 'lib'; |
| use Test::Nginx qw/ :DEFAULT http_end /; |
| |
| ############################################################################### |
| |
| select STDERR; $| = 1; |
| select STDOUT; $| = 1; |
| |
| my $t = Test::Nginx->new()->has(qw/http proxy upstream_zone upstream_random/) |
| ->write_file_expand('nginx.conf', <<'EOF'); |
| |
| %%TEST_GLOBALS%% |
| |
| daemon off; |
| worker_processes 2; |
| |
| events { |
| } |
| |
| http { |
| %%TEST_GLOBALS_HTTP%% |
| |
| upstream u { |
| zone z 1m; |
| random; |
| server 127.0.0.1:8081; |
| server 127.0.0.1:8082; |
| server 127.0.0.1:8083 down; |
| } |
| |
| upstream lc { |
| zone lc 1m; |
| random two; |
| server 127.0.0.1:8081; |
| server 127.0.0.1:8082; |
| } |
| |
| upstream w { |
| zone w 1m; |
| random two least_conn; |
| server 127.0.0.1:8081; |
| server 127.0.0.1:8082 weight=2; |
| } |
| |
| upstream mc { |
| zone mc 1m; |
| random; |
| server 127.0.0.1:8081 max_conns=2; |
| server 127.0.0.1:8082 max_conns=1; |
| } |
| |
| upstream mc2 { |
| zone mc 1m; |
| random two; |
| server 127.0.0.1:8081 max_conns=2; |
| server 127.0.0.1:8082 max_conns=1; |
| } |
| |
| upstream one { |
| random; |
| server 127.0.0.1:8081; |
| } |
| |
| upstream two { |
| random two; |
| server 127.0.0.1:8081; |
| } |
| |
| upstream zone { |
| zone z 1m; |
| random; |
| server 127.0.0.1:8081; |
| } |
| |
| upstream ztwo { |
| zone z 1m; |
| random two; |
| server 127.0.0.1:8081; |
| } |
| |
| server { |
| listen 127.0.0.1:8080; |
| server_name localhost; |
| |
| location / { |
| proxy_pass http://u; |
| } |
| |
| location /lc/ { |
| proxy_pass http://lc/; |
| } |
| |
| location /w { |
| proxy_pass http://w; |
| } |
| |
| location /mc/ { |
| proxy_pass http://mc/; |
| } |
| |
| location /mc2/ { |
| proxy_pass http://mc2/; |
| } |
| |
| location /one { |
| proxy_pass http://one; |
| } |
| |
| location /two { |
| proxy_pass http://two; |
| } |
| |
| location /zone { |
| proxy_pass http://zone; |
| } |
| |
| location /ztwo { |
| proxy_pass http://ztwo; |
| } |
| } |
| } |
| |
| EOF |
| |
| $t->run_daemon(\&http_daemon, port(8081)); |
| $t->run_daemon(\&http_daemon, port(8082)); |
| $t->try_run('no upstream random')->plan(12); |
| |
| $t->waitforsocket('127.0.0.1:' . port(8081)); |
| $t->waitforsocket('127.0.0.1:' . port(8082)); |
| |
| ############################################################################### |
| |
| my @ports = my ($port1, $port2) = (port(8081), port(8082)); |
| |
| like(http_get('/'), qr/X-Port: ($port1|$port2)/, 'random'); |
| like(http_get('/lc/'), qr/X-Port: ($port1|$port2)/, 'random two'); |
| |
| my $s = http_get('/lc/w', start => 1, sleep => 0.5); |
| my $r = http_get('/lc/'); |
| my ($p) = http_end($s) =~ /X-Port: (\d+)/; |
| like($r, qr/X-Port: (?!$p)/, 'random wait'); |
| |
| SKIP: { |
| skip 'long test', 3 unless $ENV{TEST_NGINX_UNSAFE}; |
| |
| is(parallel('/w', 3), "$port1: 1, $port2: 2", 'random weight'); |
| |
| is(parallel('/mc/w', 4), "$port1: 2, $port2: 1", 'max_conns'); |
| is(parallel('/mc2/w', 4), "$port1: 2, $port2: 1", 'max_conns two'); |
| |
| } |
| |
| # single variants |
| |
| like(http_get('/one'), qr/X-Port: $port1/, 'single one'); |
| like(http_get('/two'), qr/X-Port: $port1/, 'single two'); |
| like(http_get('/zone'), qr/X-Port: $port1/, 'zone one'); |
| like(http_get('/ztwo'), qr/X-Port: $port1/, 'zone two'); |
| |
| like(many('/close', 10), qr/$port2: 10/, 'failures'); |
| like(many('/lc/close', 10), qr/$port2: 10/, 'failures two'); |
| |
| ############################################################################### |
| |
| sub many { |
| my ($uri, $count, %opts) = @_; |
| my %ports; |
| |
| for (1 .. $count) { |
| if (http_get($uri) =~ /X-Port: (\d+)/) { |
| $ports{$1} = 0 unless defined $ports{$1}; |
| $ports{$1}++; |
| } |
| |
| select undef, undef, undef, $opts{delay} if $opts{delay}; |
| } |
| |
| my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports; |
| return join ', ', map { $_ . ": " . $ports{$_} } @keys; |
| } |
| |
| sub parallel { |
| my ($uri, $n) = @_; |
| my %ports; |
| |
| my @s = map { http_get($uri, start => 1, sleep => 0.1) } (1 .. $n); |
| |
| for (@s) { |
| if (http_end($_) =~ /X-Port: (\d+)/) { |
| $ports{$1} = 0 unless defined $ports{$1}; |
| $ports{$1}++; |
| } |
| } |
| |
| my @keys = map { my $p = $_; grep { $p == $_ } keys %ports } @ports; |
| return join ', ', map { $_ . ": " . $ports{$_} } @keys; |
| } |
| |
| ############################################################################### |
| |
| sub http_daemon { |
| my ($port) = @_; |
| |
| my $server = IO::Socket::INET->new( |
| Proto => 'tcp', |
| LocalHost => '127.0.0.1', |
| LocalPort => $port, |
| Listen => 5, |
| Reuse => 1 |
| ) |
| or die "Can't create listening socket: $!\n"; |
| |
| local $SIG{PIPE} = 'IGNORE'; |
| |
| while (my $client = $server->accept()) { |
| $client->autoflush(1); |
| |
| my $headers = ''; |
| my $uri = ''; |
| |
| while (<$client>) { |
| $headers .= $_; |
| last if (/^\x0d?\x0a?$/); |
| } |
| |
| $uri = $1 if $headers =~ /^\S+\s+([^ ]+)\s+HTTP/i; |
| |
| if ($uri eq '/w') { |
| Test::Nginx::log_core('||', "$port: sleep(2.5)"); |
| select undef, undef, undef, 2.5; |
| } |
| |
| if ($uri eq '/close' && $port == port(8081)) { |
| next; |
| } |
| |
| Test::Nginx::log_core('||', "$port: response, 200"); |
| print $client <<EOF; |
| HTTP/1.1 200 OK |
| Connection: close |
| X-Port: $port |
| |
| OK |
| EOF |
| |
| close $client; |
| } |
| } |
| |
| ############################################################################### |