| 1 |
3ad6d3bb
|
Bill Marquette
|
<?php
|
| 2 |
577c9191
|
Bill Marquette
|
/* $Id$ */
|
| 3 |
3ad6d3bb
|
Bill Marquette
|
/*
|
| 4 |
17623ab5
|
Bill Marquette
|
vslb.inc
|
| 5 |
|
|
Copyright (C) 2005-2008 Bill Marquette
|
| 6 |
|
|
All rights reserved.
|
| 7 |
3ad6d3bb
|
Bill Marquette
|
|
| 8 |
17623ab5
|
Bill Marquette
|
Redistribution and use in source and binary forms, with or without
|
| 9 |
|
|
modification, are permitted provided that the following conditions are met:
|
| 10 |
3ad6d3bb
|
Bill Marquette
|
|
| 11 |
17623ab5
|
Bill Marquette
|
1. Redistributions of source code must retain the above copyright notice,
|
| 12 |
|
|
this list of conditions and the following disclaimer.
|
| 13 |
3ad6d3bb
|
Bill Marquette
|
|
| 14 |
17623ab5
|
Bill Marquette
|
2. Redistributions in binary form must reproduce the above copyright
|
| 15 |
|
|
notice, this list of conditions and the following disclaimer in the
|
| 16 |
|
|
documentation and/or other materials provided with the distribution.
|
| 17 |
3ad6d3bb
|
Bill Marquette
|
|
| 18 |
17623ab5
|
Bill Marquette
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
| 19 |
|
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
| 20 |
|
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
| 21 |
|
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
| 22 |
|
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
| 23 |
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
| 24 |
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
| 25 |
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
| 26 |
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
| 27 |
|
|
POSSIBILITY OF SUCH DAMAGE.
|
| 28 |
3ad6d3bb
|
Bill Marquette
|
|
| 29 |
17623ab5
|
Bill Marquette
|
*/
|
| 30 |
3ad6d3bb
|
Bill Marquette
|
|
| 31 |
50d86c13
|
Bill Marquette
|
/* DISABLE_PHP_LINT_CHECKING */
|
| 32 |
|
|
|
| 33 |
3ad6d3bb
|
Bill Marquette
|
/* include all configuration functions */
|
| 34 |
|
|
require_once("functions.inc");
|
| 35 |
|
|
require_once("pkg-utils.inc");
|
| 36 |
|
|
require_once("notices.inc");
|
| 37 |
|
|
|
| 38 |
50d86c13
|
Bill Marquette
|
class Monitor {
|
| 39 |
|
|
private $conf = array();
|
| 40 |
|
|
function __construct($config) {
|
| 41 |
|
|
$this->conf = $config;
|
| 42 |
|
|
}
|
| 43 |
|
|
|
| 44 |
|
|
public function p() {
|
| 45 |
|
|
return "check {$this->get('proto')}";
|
| 46 |
|
|
}
|
| 47 |
|
|
private function get($var) {
|
| 48 |
|
|
return isset($this->$var) ? $this->$var : "";
|
| 49 |
|
|
}
|
| 50 |
|
|
protected function config($element) {
|
| 51 |
|
|
return isset($this->conf[$element]) ? $this->conf[$element] : "";
|
| 52 |
|
|
}
|
| 53 |
|
|
}
|
| 54 |
|
|
|
| 55 |
|
|
class TCPMonitor extends Monitor {
|
| 56 |
|
|
protected $proto = 'tcp';
|
| 57 |
|
|
}
|
| 58 |
|
|
|
| 59 |
|
|
class SSLMonitor extends Monitor {
|
| 60 |
|
|
protected $proto = 'ssl';
|
| 61 |
|
|
}
|
| 62 |
|
|
|
| 63 |
|
|
class ICMPMonitor extends Monitor {
|
| 64 |
|
|
protected $proto = 'icmp';
|
| 65 |
|
|
}
|
| 66 |
|
|
|
| 67 |
|
|
class HTTPMonitor extends Monitor {
|
| 68 |
|
|
protected $proto = 'http';
|
| 69 |
|
|
function __construct($config) {
|
| 70 |
|
|
parent::__construct($config);
|
| 71 |
|
|
}
|
| 72 |
|
|
public function p() {
|
| 73 |
|
|
$method = ($this->code() != "") ? $this->code() : $this->digest();
|
| 74 |
|
|
return "check {$this->proto} {$this->path()} {$this->host()} {$method}";
|
| 75 |
|
|
}
|
| 76 |
|
|
|
| 77 |
|
|
private function path() {
|
| 78 |
|
|
return $this->config('path') != "" ? "'{$this->config('path')}'" : "";
|
| 79 |
|
|
}
|
| 80 |
|
|
|
| 81 |
|
|
private function host() {
|
| 82 |
|
|
return $this->config('host') != "" ? "host {$this->config('host')}" : "";
|
| 83 |
|
|
}
|
| 84 |
|
|
|
| 85 |
|
|
private function code() {
|
| 86 |
|
|
return $this->config('code') != "" ? "code {$this->config('code')}" : "";
|
| 87 |
|
|
}
|
| 88 |
|
|
|
| 89 |
|
|
private function digest() {
|
| 90 |
|
|
return $this->config('digest') != "" ? "digest {$this->config('digest')}" : "";
|
| 91 |
|
|
}
|
| 92 |
|
|
}
|
| 93 |
|
|
|
| 94 |
|
|
class HTTPSMonitor extends HTTPMonitor {
|
| 95 |
|
|
protected $proto = 'https';
|
| 96 |
|
|
}
|
| 97 |
|
|
|
| 98 |
|
|
class SendMonitor extends Monitor {
|
| 99 |
|
|
private $proto = 'send';
|
| 100 |
|
|
function __construct($config) {
|
| 101 |
|
|
parent::__construct($config);
|
| 102 |
|
|
}
|
| 103 |
|
|
public function p() {
|
| 104 |
|
|
return "check {$this->proto} {$this->data()} expect {$this->pattern()} {$this->ssl()}";
|
| 105 |
|
|
}
|
| 106 |
|
|
|
| 107 |
|
|
|
| 108 |
|
|
private function data() {
|
| 109 |
|
|
return $this->config('send') != "" ? "{$this->config('send')}" : "";
|
| 110 |
|
|
}
|
| 111 |
|
|
|
| 112 |
|
|
private function pattern() {
|
| 113 |
|
|
return $this->config('expect') != "" ? "{$this->config('expect')}" : "";
|
| 114 |
|
|
}
|
| 115 |
|
|
|
| 116 |
|
|
private function ssl() {
|
| 117 |
|
|
return $this->config('ssl') == true ? "ssl" : "";
|
| 118 |
|
|
}
|
| 119 |
|
|
}
|
| 120 |
|
|
|
| 121 |
0919224f
|
Bill Marquette
|
function echo_lbaction($action) {
|
| 122 |
|
|
global $config;
|
| 123 |
|
|
|
| 124 |
|
|
// Index actions by name
|
| 125 |
|
|
$actions_a = array();
|
| 126 |
|
|
for ($i=0; isset($config['load_balancer']['lbaction'][$i]); $i++)
|
| 127 |
|
|
$actions_a[$config['load_balancer']['lbaction'][$i]['name']] = $config['load_balancer']['lbaction'][$i];
|
| 128 |
|
|
|
| 129 |
|
|
$ret = "";
|
| 130 |
|
|
$ret .= "{$actions_a[$action]['direction']} {$actions_a[$action]['type']} {$actions_a[$action]['action']}";
|
| 131 |
|
|
switch($actions_a[$action]['action']) {
|
| 132 |
|
|
case 'append': {
|
| 133 |
|
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" to \"{$actions_a[$action]['options']['akey']}\"";
|
| 134 |
|
|
break;
|
| 135 |
|
|
}
|
| 136 |
|
|
case 'change': {
|
| 137 |
|
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\" to \"{$actions_a[$action]['options']['value']}\"";
|
| 138 |
|
|
break;
|
| 139 |
|
|
}
|
| 140 |
|
|
case 'expect': {
|
| 141 |
|
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
|
| 142 |
|
|
break;
|
| 143 |
|
|
}
|
| 144 |
|
|
case 'filter': {
|
| 145 |
|
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
|
| 146 |
|
|
break;
|
| 147 |
|
|
}
|
| 148 |
|
|
case 'hash': {
|
| 149 |
|
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
|
| 150 |
|
|
break;
|
| 151 |
|
|
}
|
| 152 |
|
|
case 'log': {
|
| 153 |
|
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
|
| 154 |
|
|
break;
|
| 155 |
|
|
}
|
| 156 |
|
|
}
|
| 157 |
|
|
return $ret;
|
| 158 |
|
|
}
|
| 159 |
50d86c13
|
Bill Marquette
|
|
| 160 |
17623ab5
|
Bill Marquette
|
function relayd_configure() {
|
| 161 |
|
|
global $config, $g;
|
| 162 |
|
|
|
| 163 |
a825c6f7
|
Bill Marquette
|
$vs_a = $config['load_balancer']['virtual_server'];
|
| 164 |
|
|
$pool_a = $config['load_balancer']['lbpool'];
|
| 165 |
|
|
$protocol_a = $config['load_balancer']['lbprotocol'];
|
| 166 |
17623ab5
|
Bill Marquette
|
|
| 167 |
50d86c13
|
Bill Marquette
|
$check_a = array();
|
| 168 |
|
|
|
| 169 |
52bd375c
|
Bill Marquette
|
foreach ((array)$config['load_balancer']['monitor_type'] as $type) {
|
| 170 |
50d86c13
|
Bill Marquette
|
switch($type['type']) {
|
| 171 |
|
|
case 'icmp': {
|
| 172 |
|
|
$mon = new ICMPMonitor($type['options']);
|
| 173 |
|
|
break;
|
| 174 |
|
|
}
|
| 175 |
|
|
case 'tcp': {
|
| 176 |
|
|
$mon = new TCPMonitor($type['options']);
|
| 177 |
|
|
break;
|
| 178 |
|
|
}
|
| 179 |
|
|
case 'http': {
|
| 180 |
|
|
$mon = new HTTPMonitor($type['options']);
|
| 181 |
|
|
break;
|
| 182 |
|
|
}
|
| 183 |
|
|
case 'https': {
|
| 184 |
|
|
$mon = new HTTPSMonitor($type['options']);
|
| 185 |
|
|
break;
|
| 186 |
|
|
}
|
| 187 |
|
|
case 'send': {
|
| 188 |
|
|
$mon = new SendMonitor($type['options']);
|
| 189 |
|
|
break;
|
| 190 |
|
|
}
|
| 191 |
|
|
}
|
| 192 |
|
|
$check_a[$type['name']] = $mon->p();
|
| 193 |
|
|
}
|
| 194 |
|
|
|
| 195 |
|
|
|
| 196 |
17623ab5
|
Bill Marquette
|
$fd = fopen("{$g['varetc_path']}/relayd.conf", "w");
|
| 197 |
|
|
|
| 198 |
|
|
/* reindex pools by name as we loop through the pools array */
|
| 199 |
|
|
$pools = array();
|
| 200 |
|
|
/* Virtual server pools */
|
| 201 |
|
|
if(is_array($pool_a)) {
|
| 202 |
|
|
for ($i = 0; isset($pool_a[$i]); $i++) {
|
| 203 |
|
|
if(is_array($pool_a[$i]['servers'])) {
|
| 204 |
|
|
$srvtxt = implode(", ", $pool_a[$i]['servers']);
|
| 205 |
|
|
$conf .= "table <{$pool_a[$i]['name']}> { $srvtxt }\n";
|
| 206 |
|
|
/* Index by name for easier fetching when we loop through the virtual servers */
|
| 207 |
|
|
$pools[$pool_a[$i]['name']] = $pool_a[$i];
|
| 208 |
|
|
}
|
| 209 |
|
|
}
|
| 210 |
|
|
}
|
| 211 |
0919224f
|
Bill Marquette
|
if(is_array($protocol_a)) {
|
| 212 |
|
|
for ($i = 0; isset($protocol_a[$i]); $i++) {
|
| 213 |
ab9c7767
|
Bill Marquette
|
$proto = "{$protocol_a[$i]['type']} protocol \"{$protocol_a[$i]['name']}\" {\n";
|
| 214 |
0919224f
|
Bill Marquette
|
if(is_array($protocol_a[$i]['lbaction'])) {
|
| 215 |
ab9c7767
|
Bill Marquette
|
if($protocol_a[$i]['lbaction'][0] == "") {
|
| 216 |
|
|
continue;
|
| 217 |
|
|
}
|
| 218 |
0919224f
|
Bill Marquette
|
for ($a = 0; isset($protocol_a[$i]['lbaction'][$a]); $a++) {
|
| 219 |
ab9c7767
|
Bill Marquette
|
$proto .= " " . echo_lbaction($protocol_a[$i]['lbaction'][$a]) . "\n";
|
| 220 |
0919224f
|
Bill Marquette
|
}
|
| 221 |
|
|
}
|
| 222 |
ab9c7767
|
Bill Marquette
|
$proto .= "}\n";
|
| 223 |
|
|
$conf .= $proto;
|
| 224 |
0919224f
|
Bill Marquette
|
}
|
| 225 |
|
|
}
|
| 226 |
17623ab5
|
Bill Marquette
|
if(is_array($vs_a)) {
|
| 227 |
|
|
for ($i = 0; isset($vs_a[$i]); $i++) {
|
| 228 |
0919224f
|
Bill Marquette
|
switch($vs_a[$i]['mode']) {
|
| 229 |
|
|
case 'redirect': {
|
| 230 |
|
|
$conf .= "redirect \"{$vs_a[$i]['name']}\" {\n";
|
| 231 |
|
|
$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
|
| 232 |
|
|
$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} timeout 1000\n";
|
| 233 |
|
|
|
| 234 |
43b01df4
|
Bill Marquette
|
# sitedown MUST use the same port as the primary pool - sucks, but it's a relayd thing
|
| 235 |
0919224f
|
Bill Marquette
|
if (isset($vs_a[$i]['sitedown']) && $vs_a[$i]['sitedown'] != "")
|
| 236 |
aeb90d90
|
Bill Marquette
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} timeout 1000\n";
|
| 237 |
0919224f
|
Bill Marquette
|
$conf .= "}\n";
|
| 238 |
|
|
break;
|
| 239 |
|
|
}
|
| 240 |
|
|
case 'relay': {
|
| 241 |
|
|
$conf .= "relay \"{$vs_a[$i]['name']}\" {\n";
|
| 242 |
|
|
$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
|
| 243 |
|
|
$conf .= " protocol \"{$vs_a[$i]['relay_protocol']}\"\n";
|
| 244 |
|
|
$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} timeout 1000\n";
|
| 245 |
|
|
|
| 246 |
|
|
if (isset($vs_a[$i]['sitedown']) && $vs_a[$i]['sitedown'] != "")
|
| 247 |
|
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} timeout 1000\n";
|
| 248 |
|
|
$conf .= "}\n";
|
| 249 |
|
|
break;
|
| 250 |
|
|
}
|
| 251 |
|
|
}
|
| 252 |
17623ab5
|
Bill Marquette
|
}
|
| 253 |
|
|
}
|
| 254 |
|
|
fwrite($fd, $conf);
|
| 255 |
|
|
fclose($fd);
|
| 256 |
|
|
|
| 257 |
651d99c5
|
Bill Marquette
|
if (is_process_running('relayd: parent')) {
|
| 258 |
a32a06ad
|
Bill Marquette
|
/*
|
| 259 |
|
|
* XXX: Something breaks our control connection with relayd and makes relayctl stop working
|
| 260 |
|
|
* rule reloads are the current suspect
|
| 261 |
|
|
* mwexec('/usr/local/bin/relayctl stop');
|
| 262 |
|
|
*/
|
| 263 |
|
|
mwexec('pkill relayd');
|
| 264 |
17623ab5
|
Bill Marquette
|
}
|
| 265 |
3eb583e6
|
Seth Mos
|
if (! empty($vs_a)) {
|
| 266 |
|
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
| 267 |
|
|
}
|
| 268 |
3ad6d3bb
|
Bill Marquette
|
}
|
| 269 |
|
|
|
| 270 |
651d99c5
|
Bill Marquette
|
?>
|