tests: t/129-ssl-socket.t: use the same IP to ensure that the ssl session can be reused. (#2267)

Author: xiaocang

t/129-ssl-socket.t

@@ -15,13 +15,16 @@ use File::Basename;
 
 repeat_each(2);
 
+sub resolve($$);
+
 plan tests => repeat_each() * (blocks() * 7 - 3);
 
 $ENV{TEST_NGINX_HTML_DIR} ||= html_dir();
 $ENV{TEST_NGINX_MEMCACHED_PORT} ||= 11211;
 $ENV{TEST_NGINX_RESOLVER} ||= '8.8.8.8';
 $ENV{TEST_NGINX_SERVER_SSL_PORT} ||= 12345;
 $ENV{TEST_NGINX_CERT_DIR} ||= dirname(realpath(abs_path(__FILE__)));
+$ENV{TEST_NGINX_OPENRESTY_ORG_IP} ||= resolve("openresty.org", $ENV{TEST_NGINX_RESOLVER});
 
 my $NginxBinary = $ENV{'TEST_NGINX_BINARY'} || 'nginx';
 my $openssl_version = eval { `$NginxBinary -V 2>&1` };
@@ -44,6 +47,19 @@ sub read_file {
  $cert;
 }
 
+sub resolve ($$) {
+ my ($domain, $resolver) = @_;
+ my $ips = qx/dig \@$resolver +short $domain/;
+
+ my $exit_code = $? >> 8;
+ if (!$ips || $exit_code != 0) {
+ die "failed to resolve '$domain' using '$resolver' as resolver";
+ }
+
+ my ($ip) = split /\n/, $ips;
+ return $ip;
+}
+
 our $DSTRootCertificate = read_file("t/cert/dst-ca.crt");
 our $EquifaxRootCertificate = read_file("t/cert/equifax.crt");
 our $TestCertificate = read_file("t/cert/test.crt");
@@ -1397,6 +1413,7 @@ SSL reused session
  location /t {
  #set $port 5000;
  set $port $TEST_NGINX_MEMCACHED_PORT;
+ set $openresty_org_ip $TEST_NGINX_OPENRESTY_ORG_IP;
 
  content_by_lua '
  local sock = ngx.socket.tcp()
@@ -1406,7 +1423,8 @@ SSL reused session
 
  local session
  for i = 1, 3 do
- local ok, err = sock:connect("openresty.org", 443)
+ -- Use the same IP to ensure that the connection can be reused
+ local ok, err = sock:connect(ngx.var.openresty_org_ip, 443)
  if not ok then
  ngx.say("failed to connect: ", err)
  return
@@ -1473,6 +1491,7 @@ SSL reused session
  lua_ssl_verify_depth 2;
  location /t {
  #set $port 5000;
+ set $openresty_org_ip $TEST_NGINX_OPENRESTY_ORG_IP;
  set $port $TEST_NGINX_MEMCACHED_PORT;
 
  content_by_lua '
@@ -1482,7 +1501,8 @@ SSL reused session
  do
 
  for i = 1, 3 do
- local ok, err = sock:connect("openresty.org", 443)
+ -- Use the same IP to ensure that the connection can be reused
+ local ok, err = sock:connect(ngx.var.openresty_org_ip, 443)
  if not ok then
  ngx.say("failed to connect: ", err)
  return