Mercurial > hg > nginx-tests
view stream_ssl_preread_alpn.t @ 1752:ba6e24e38f03
Tests: improved stop_daemons() to send signal again.
As was observed, it's possible that a signal to complete a uwsgi daemon
can be ignored while it is starting up, which results in tests hang due
to eternal waiting on child processes termination. Notably, it is seen
when running tests with a high number of prove jobs on a low-profile VM
against nginx with broken modules and/or configuration. To reproduce:
$ TEST_NGINX_GLOBALS=ERROR prove -j16 uwsgi*.t
Inspecting uwsgi under ktrace on FreeBSD confirms that a SIGTERM signal
is ignored at the very beginning of uwsgi startup. It is then replaced
with a default action after listen(), thus waiting until uwsgi is ready
to accept new TCP connections doesn't completely solve the hang window.
The fix is to retry sending a signal some time after waitpid(WNOHANG)
continuously demonstrated no progress with reaping a signaled process.
It is modelled after f13ead27f89c that improved stop() for nginx.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 29 Dec 2021 22:29:23 +0300 |
parents | f3ba4c74de31 |
children | cdcd75657e52 |
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#!/usr/bin/perl # (C) Sergey Kandaurov # (C) Nginx, Inc. # Tests for stream_ssl_preread module, ALPN preread. ############################################################################### use warnings; use strict; use Test::More; BEGIN { use FindBin; chdir($FindBin::Bin); } use lib 'lib'; use Test::Nginx; use Test::Nginx::Stream qw/ stream /; ############################################################################### select STDERR; $| = 1; select STDOUT; $| = 1; my $t = Test::Nginx->new()->has(qw/stream stream_map stream_ssl_preread/) ->has(qw/stream_ssl stream_return/)->has_daemon('openssl') ->write_file_expand('nginx.conf', <<'EOF'); %%TEST_GLOBALS%% daemon off; events { } stream { %%TEST_GLOBALS_STREAM%% map $ssl_preread_alpn_protocols $name { "" 127.0.0.1:8093; default $ssl_preread_alpn_protocols; } upstream foo { server 127.0.0.1:8091; } upstream bar { server 127.0.0.1:8092; } upstream foo,bar { server 127.0.0.1:8093; } ssl_preread on; server { listen 127.0.0.1:8081; proxy_pass $name; } ssl_certificate_key localhost.key; ssl_certificate localhost.crt; server { listen 127.0.0.1:8091 ssl; listen 127.0.0.1:8092 ssl; listen 127.0.0.1:8093 ssl; ssl_preread off; return $server_port; } } EOF eval { require IO::Socket::SSL; die if $IO::Socket::SSL::VERSION < 1.56; }; plan(skip_all => 'IO::Socket::SSL version >= 1.56 required') if $@; eval { IO::Socket::SSL->can_alpn() or die; }; plan(skip_all => 'IO::Socket::SSL with OpenSSL ALPN support required') if $@; eval { exists &Net::SSLeay::P_alpn_selected or die; }; plan(skip_all => 'Net::SSLeay with OpenSSL ALPN support required') if $@; $t->plan(5); $t->write_file('openssl.conf', <<EOF); [ req ] default_bits = 2048 encrypt_key = no distinguished_name = req_distinguished_name [ req_distinguished_name ] EOF my $d = $t->testdir(); foreach my $name ('localhost') { system('openssl req -x509 -new ' . "-config $d/openssl.conf -subj /CN=$name/ " . "-out $d/$name.crt -keyout $d/$name.key " . ">>$d/openssl.out 2>&1") == 0 or die "Can't create certificate for $name: $!\n"; } $t->run(); ############################################################################### my ($p1, $p2, $p3) = (port(8091), port(8092), port(8093)); is(get_ssl(8081, 'foo'), $p1, 'alpn'); is(get_ssl(8081, 'foo'), $p1, 'alpn again'); is(get_ssl(8081, 'bar'), $p2, 'alpn 2'); is(get_ssl(8081, 'bar'), $p2, 'alpn 2 again'); is(get_ssl(8081, 'foo', 'bar'), $p3, 'alpn many'); get_ssl(8081, ''); ############################################################################### sub get_ssl { my ($port, @alpn) = @_; my $s = stream('127.0.0.1:' . port($port)); eval { local $SIG{ALRM} = sub { die "timeout\n" }; local $SIG{PIPE} = sub { die "sigpipe\n" }; alarm(8); IO::Socket::SSL->start_SSL($s->{_socket}, SSL_alpn_protocols => [ @alpn ], SSL_verify_mode => IO::Socket::SSL::SSL_VERIFY_NONE(), SSL_error_trap => sub { die $_[1] } ); alarm(0); }; alarm(0); if ($@) { log_in("died: $@"); return undef; } return $s->read(); } ###############################################################################