view grpc_next_upstream.t @ 1907:034c9121b9d1

Tests: added h2_http2.t TODOs for LibreSSL and older OpenSSL. Those libraries provide an older callback order, where ALPN callback is invoked before SNI callback. Additionally, OpenSSL 1.0.2 doesn't send alert on ALPN mismatch.
author Sergey Kandaurov <pluknet@nginx.com>
date Thu, 08 Jun 2023 16:41:11 +0400
parents 236d038dc04a
children 11463d379570
line wrap: on
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#!/usr/bin/perl

# (C) Maxim Dounin
# (C) Sergey Kandaurov
# (C) Nginx, Inc.

# Tests for grpc module, grpc_next_upstream directive.

###############################################################################

use warnings;
use strict;

use Test::More;

BEGIN { use FindBin; chdir($FindBin::Bin); }

use lib 'lib';
use Test::Nginx;

###############################################################################

select STDERR; $| = 1;
select STDOUT; $| = 1;

my $t = Test::Nginx->new()->has(qw/http http_v2 grpc rewrite/)->plan(9);

$t->write_file_expand('nginx.conf', <<'EOF');

%%TEST_GLOBALS%%

daemon off;

events {
}

http {
    %%TEST_GLOBALS_HTTP%%

    upstream u {
        server 127.0.0.1:8081 max_fails=2;
        server 127.0.0.1:8082;
    }

    upstream u2 {
        server 127.0.0.1:8081;
        server 127.0.0.1:8082;
    }

    server {
        listen       127.0.0.1:8080;
        server_name  localhost;

        location / {
            grpc_pass u;
            grpc_next_upstream http_500 http_404 invalid_header;
        }

        location /all/ {
            grpc_pass u2;
            grpc_next_upstream http_500 http_404;
            error_page 404 /all/404;
            grpc_intercept_errors on;
        }

        location /all/404 {
            return 200 "$upstream_addr\n";
        }
    }

    server {
        listen       127.0.0.1:8081 http2;
        server_name  localhost;

        location / {
            return 404;
        }
        location /ok {
            return 200 "AND-THIS\n";
        }
        location /500 {
            return 500;
        }
        location /444 {
            return 444;
        }

        location /all/ {
            return 404;
        }
    }

    server {
        listen       127.0.0.1:8082 http2;
        server_name  localhost;

        location / {
            return 200 "TEST-OK-IF-YOU-SEE-THIS\n";
        }

        location /all/ {
            return 404;
        }
    }
}

EOF

# suppress deprecation warning

open OLDERR, ">&", \*STDERR; close STDERR;
$t->run();
open STDERR, ">&", \*OLDERR;

###############################################################################

my ($p1, $p2) = (port(8081), port(8082));

# check if both request fallback to a backend
# which returns valid response

like(http_get('/'), qr/SEE-THIS/, 'grpc request');
like(http_get('/'), qr/SEE-THIS/, 'second request');

# make sure backend isn't switched off after
# grpc_next_upstream http_404

like(http_get('/ok') . http_get('/ok'), qr/AND-THIS/, 'not down');

# next upstream on invalid_header

like(http_get('/444'), qr/SEE-THIS/, 'request 444');
like(http_get('/444'), qr/SEE-THIS/, 'request 444 second');

# next upstream on http_500

like(http_get('/500'), qr/SEE-THIS/, 'request 500');
like(http_get('/500'), qr/SEE-THIS/, 'request 500 second');

# make sure backend switched off with http_500

unlike(http_get('/ok') . http_get('/ok'), qr/AND-THIS/, 'down after 500');

# make sure all backends are tried once

like(http_get('/all/rr'),
	qr/^127.0.0.1:($p1, 127.0.0.1:$p2|$p2, 127.0.0.1:$p1)$/mi,
	'all tried once');

###############################################################################