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3ad6d3bb
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Bill Marquette
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<?php
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/*
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ce77a9c4
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Phil Davis
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vslb.inc
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Copyright (C) 2005-2008 Bill Marquette
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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3ad6d3bb
|
Bill Marquette
|
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| 28 |
17623ab5
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Bill Marquette
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*/
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| 29 |
3ad6d3bb
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Bill Marquette
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/* include all configuration functions */
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50d86c13
|
Bill Marquette
|
class Monitor {
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private $conf = array();
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function __construct($config) {
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$this->conf = $config;
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}
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public function p() {
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return "check {$this->get('proto')}";
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}
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private function get($var) {
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return isset($this->$var) ? $this->$var : "";
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}
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protected function config($element) {
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return isset($this->conf[$element]) ? $this->conf[$element] : "";
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}
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}
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class TCPMonitor extends Monitor {
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protected $proto = 'tcp';
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}
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class SSLMonitor extends Monitor {
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protected $proto = 'ssl';
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}
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class ICMPMonitor extends Monitor {
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protected $proto = 'icmp';
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}
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class HTTPMonitor extends Monitor {
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| 62 |
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protected $proto = 'http';
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| 63 |
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function __construct($config) {
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parent::__construct($config);
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}
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public function p() {
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$method = ($this->code() != "") ? $this->code() : $this->digest();
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return "check {$this->proto} {$this->path()} {$this->host()} {$method}";
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}
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private function path() {
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return $this->config('path') != "" ? "'{$this->config('path')}'" : "";
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}
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private function host() {
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return $this->config('host') != "" ? "host {$this->config('host')}" : "";
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}
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private function code() {
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return $this->config('code') != "" ? "code {$this->config('code')}" : "";
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}
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private function digest() {
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return $this->config('digest') != "" ? "digest {$this->config('digest')}" : "";
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}
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}
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class HTTPSMonitor extends HTTPMonitor {
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protected $proto = 'https';
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}
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class SendMonitor extends Monitor {
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private $proto = 'send';
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function __construct($config) {
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parent::__construct($config);
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}
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public function p() {
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return "check {$this->proto} {$this->data()} expect {$this->pattern()} {$this->ssl()}";
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}
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private function data() {
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| 103 |
146a1717
|
jim-p
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return $this->config('send') != "" ? "\"{$this->config('send')}\"" : "\"\"";
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| 104 |
50d86c13
|
Bill Marquette
|
}
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| 106 |
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private function pattern() {
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| 107 |
146a1717
|
jim-p
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return $this->config('expect') != "" ? "\"{$this->config('expect')}\"" : "\"\"";
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| 108 |
50d86c13
|
Bill Marquette
|
}
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| 109 |
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| 110 |
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private function ssl() {
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return $this->config('ssl') == true ? "ssl" : "";
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| 112 |
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}
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| 113 |
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}
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| 115 |
0919224f
|
Bill Marquette
|
function echo_lbaction($action) {
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| 116 |
939b2d75
|
Darren Embry
|
global $config;
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| 117 |
79262830
|
Phil Davis
|
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| 118 |
939b2d75
|
Darren Embry
|
// Index actions by name
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| 119 |
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$actions_a = array();
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| 120 |
6c07db48
|
Phil Davis
|
for ($i = 0; isset($config['load_balancer']['lbaction'][$i]); $i++) {
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| 121 |
0919224f
|
Bill Marquette
|
$actions_a[$config['load_balancer']['lbaction'][$i]['name']] = $config['load_balancer']['lbaction'][$i];
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| 122 |
79262830
|
Phil Davis
|
}
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| 123 |
0919224f
|
Bill Marquette
|
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| 124 |
939b2d75
|
Darren Embry
|
$ret = "";
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| 125 |
6c07db48
|
Phil Davis
|
$ret .= "{$actions_a[$action]['direction']} {$actions_a[$action]['type']} {$actions_a[$action]['action']}";
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| 126 |
79262830
|
Phil Davis
|
switch ($actions_a[$action]['action']) {
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case 'append':
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$ret .= " \"{$actions_a[$action]['options']['value']}\" to \"{$actions_a[$action]['options']['akey']}\"";
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break;
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case 'change':
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$ret .= " \"{$actions_a[$action]['options']['akey']}\" to \"{$actions_a[$action]['options']['value']}\"";
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break;
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| 133 |
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case 'expect':
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| 134 |
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$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
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| 135 |
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break;
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| 136 |
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case 'filter':
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$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
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break;
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| 139 |
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case 'hash':
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$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
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| 141 |
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break;
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| 142 |
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case 'log':
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$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
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| 144 |
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break;
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| 145 |
939b2d75
|
Darren Embry
|
}
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| 146 |
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return $ret;
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| 147 |
0919224f
|
Bill Marquette
|
}
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| 148 |
50d86c13
|
Bill Marquette
|
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| 149 |
d3534235
|
jim-p
|
function relayd_configure($kill_first=false) {
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| 150 |
939b2d75
|
Darren Embry
|
global $config, $g;
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| 151 |
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| 152 |
f57a578d
|
Darren Embry
|
// have to do this until every call to filter.inc is
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| 153 |
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// require_once() instead of require().
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| 154 |
91b2f623
|
bcyrill
|
if (!function_exists('filter_expand_alias_array')) {
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| 155 |
f57a578d
|
Darren Embry
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require_once("filter.inc");
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}
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| 157 |
d7afd900
|
Darren Embry
|
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| 158 |
939b2d75
|
Darren Embry
|
$vs_a = $config['load_balancer']['virtual_server'];
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| 159 |
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$pool_a = $config['load_balancer']['lbpool'];
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$protocol_a = $config['load_balancer']['lbprotocol'];
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$setting = $config['load_balancer']['setting'];
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| 162 |
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| 163 |
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$check_a = array();
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| 164 |
50d86c13
|
Bill Marquette
|
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| 165 |
939b2d75
|
Darren Embry
|
foreach ((array)$config['load_balancer']['monitor_type'] as $type) {
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| 166 |
79262830
|
Phil Davis
|
switch ($type['type']) {
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case 'icmp':
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$mon = new ICMPMonitor($type['options']);
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break;
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| 170 |
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case 'tcp':
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$mon = new TCPMonitor($type['options']);
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break;
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| 173 |
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case 'http':
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| 174 |
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$mon = new HTTPMonitor($type['options']);
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| 175 |
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break;
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| 176 |
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case 'https':
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$mon = new HTTPSMonitor($type['options']);
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break;
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| 179 |
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case 'send':
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| 180 |
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$mon = new SendMonitor($type['options']);
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| 181 |
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break;
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| 182 |
939b2d75
|
Darren Embry
|
}
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| 183 |
79262830
|
Phil Davis
|
if ($mon) {
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| 184 |
939b2d75
|
Darren Embry
|
$check_a[$type['name']] = $mon->p();
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| 185 |
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}
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| 186 |
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}
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| 187 |
79262830
|
Phil Davis
|
|
| 188 |
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| 189 |
939b2d75
|
Darren Embry
|
$fd = fopen("{$g['varetc_path']}/relayd.conf", "w");
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| 190 |
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$conf .= "log updates \n";
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| 191 |
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| 192 |
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/* Global timeout, interval and prefork settings
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| 193 |
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if not specified by the user:
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| 194 |
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- use a 1000 ms timeout value as in pfsense 2.0.1 and above
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| 195 |
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- leave interval and prefork empty, relayd will use its default values */
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| 196 |
79262830
|
Phil Davis
|
|
| 197 |
939b2d75
|
Darren Embry
|
if (isset($setting['timeout']) && !empty($setting['timeout'])) {
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| 198 |
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$conf .= "timeout ".$setting['timeout']." \n";
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| 199 |
74b7361f
|
jim-p
|
} else {
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| 200 |
939b2d75
|
Darren Embry
|
$conf .= "timeout 1000 \n";
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| 201 |
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}
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| 202 |
79262830
|
Phil Davis
|
|
| 203 |
939b2d75
|
Darren Embry
|
if (isset($setting['interval']) && !empty($setting['interval'])) {
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| 204 |
|
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$conf .= "interval ".$setting['interval']." \n";
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| 205 |
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}
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| 206 |
79262830
|
Phil Davis
|
|
| 207 |
939b2d75
|
Darren Embry
|
if (isset($setting['prefork']) && !empty($setting['prefork'])) {
|
| 208 |
|
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$conf .= "prefork ".$setting['prefork']." \n";
|
| 209 |
|
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}
|
| 210 |
79262830
|
Phil Davis
|
|
| 211 |
939b2d75
|
Darren Embry
|
/* reindex pools by name as we loop through the pools array */
|
| 212 |
|
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$pools = array();
|
| 213 |
|
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/* Virtual server pools */
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| 214 |
79262830
|
Phil Davis
|
if (is_array($pool_a)) {
|
| 215 |
939b2d75
|
Darren Embry
|
for ($i = 0; isset($pool_a[$i]); $i++) {
|
| 216 |
79262830
|
Phil Davis
|
if (is_array($pool_a[$i]['servers'])) {
|
| 217 |
939b2d75
|
Darren Embry
|
if (!empty($pool_a[$i]['retry'])) {
|
| 218 |
|
|
$retrytext = " retry {$pool_a[$i]['retry']}";
|
| 219 |
|
|
} else {
|
| 220 |
0917cb21
|
Darren Embry
|
$retrytext = "";
|
| 221 |
939b2d75
|
Darren Embry
|
}
|
| 222 |
0917cb21
|
Darren Embry
|
$conf .= "table <{$pool_a[$i]['name']}> {\n";
|
| 223 |
|
|
foreach ($pool_a[$i]['servers'] as $server) {
|
| 224 |
|
|
if (is_subnetv4($server)) {
|
| 225 |
|
|
foreach (subnetv4_expand($server) as $ip) {
|
| 226 |
|
|
$conf .= "\t{$ip}{$retrytext}\n";
|
| 227 |
|
|
}
|
| 228 |
79262830
|
Phil Davis
|
} else {
|
| 229 |
0917cb21
|
Darren Embry
|
$conf .= "\t{$server}{$retrytext}\n";
|
| 230 |
|
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}
|
| 231 |
|
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}
|
| 232 |
|
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$conf .= "}\n";
|
| 233 |
939b2d75
|
Darren Embry
|
/* Index by name for easier fetching when we loop through the virtual servers */
|
| 234 |
|
|
$pools[$pool_a[$i]['name']] = $pool_a[$i];
|
| 235 |
|
|
}
|
| 236 |
|
|
}
|
| 237 |
74b7361f
|
jim-p
|
}
|
| 238 |
79262830
|
Phil Davis
|
// if (is_array($protocol_a)) {
|
| 239 |
b6d74873
|
jim-p
|
// for ($i = 0; isset($protocol_a[$i]); $i++) {
|
| 240 |
|
|
// $proto = "{$protocol_a[$i]['type']} protocol \"{$protocol_a[$i]['name']}\" {\n";
|
| 241 |
79262830
|
Phil Davis
|
// if (is_array($protocol_a[$i]['lbaction'])) {
|
| 242 |
|
|
// if ($protocol_a[$i]['lbaction'][0] == "") {
|
| 243 |
b6d74873
|
jim-p
|
// continue;
|
| 244 |
|
|
// }
|
| 245 |
|
|
// for ($a = 0; isset($protocol_a[$i]['lbaction'][$a]); $a++) {
|
| 246 |
|
|
// $proto .= " " . echo_lbaction($protocol_a[$i]['lbaction'][$a]) . "\n";
|
| 247 |
|
|
// }
|
| 248 |
|
|
// }
|
| 249 |
|
|
// $proto .= "}\n";
|
| 250 |
|
|
// $conf .= $proto;
|
| 251 |
|
|
// }
|
| 252 |
|
|
// }
|
| 253 |
|
|
|
| 254 |
|
|
$conf .= "dns protocol \"dnsproto\" {\n";
|
| 255 |
0917cb21
|
Darren Embry
|
$conf .= "\t" . "tcp { nodelay, sack, socket buffer 1024, backlog 1000 }\n";
|
| 256 |
b6d74873
|
jim-p
|
$conf .= "}\n";
|
| 257 |
|
|
|
| 258 |
79262830
|
Phil Davis
|
if (is_array($vs_a)) {
|
| 259 |
0130b756
|
Warren Baker
|
for ($i = 0; isset($vs_a[$i]); $i++) {
|
| 260 |
79262830
|
Phil Davis
|
|
| 261 |
01ed452e
|
Darren Embry
|
$append_port_to_name = false;
|
| 262 |
6e9b046e
|
jim-p
|
if (is_alias($pools[$vs_a[$i]['poolname']]['port'])) {
|
| 263 |
|
|
$dest_port_array = filter_expand_alias_array($pools[$vs_a[$i]['poolname']]['port']);
|
| 264 |
01ed452e
|
Darren Embry
|
$append_port_to_name = true;
|
| 265 |
79262830
|
Phil Davis
|
} else {
|
| 266 |
6e9b046e
|
jim-p
|
$dest_port_array = array($pools[$vs_a[$i]['poolname']]['port']);
|
| 267 |
01ed452e
|
Darren Embry
|
}
|
| 268 |
06d84cf3
|
Darren Embry
|
if (is_alias($vs_a[$i]['port'])) {
|
| 269 |
|
|
$src_port_array = filter_expand_alias_array($vs_a[$i]['port']);
|
| 270 |
01ed452e
|
Darren Embry
|
$append_port_to_name = true;
|
| 271 |
79262830
|
Phil Davis
|
} else if ($vs_a[$i]['port']) {
|
| 272 |
06d84cf3
|
Darren Embry
|
$src_port_array = array($vs_a[$i]['port']);
|
| 273 |
79262830
|
Phil Davis
|
} else {
|
| 274 |
06d84cf3
|
Darren Embry
|
$src_port_array = $dest_port_array;
|
| 275 |
01ed452e
|
Darren Embry
|
}
|
| 276 |
|
|
|
| 277 |
|
|
$append_ip_to_name = false;
|
| 278 |
183ea34c
|
Darren Embry
|
if (is_alias($vs_a[$i]['ipaddr'])) {
|
| 279 |
06d84cf3
|
Darren Embry
|
$ip_list = array();
|
| 280 |
183ea34c
|
Darren Embry
|
foreach (filter_expand_alias_array($vs_a[$i]['ipaddr']) as $item) {
|
| 281 |
06d84cf3
|
Darren Embry
|
log_error("item is $item");
|
| 282 |
183ea34c
|
Darren Embry
|
if (is_subnetv4($item)) {
|
| 283 |
|
|
$ip_list = array_merge($ip_list, subnetv4_expand($item));
|
| 284 |
79262830
|
Phil Davis
|
} else {
|
| 285 |
183ea34c
|
Darren Embry
|
$ip_list[] = $item;
|
| 286 |
|
|
}
|
| 287 |
|
|
}
|
| 288 |
|
|
$append_ip_to_name = true;
|
| 289 |
79262830
|
Phil Davis
|
} else if (is_subnetv4($vs_a[$i]['ipaddr'])) {
|
| 290 |
0917cb21
|
Darren Embry
|
$ip_list = subnetv4_expand($vs_a[$i]['ipaddr']);
|
| 291 |
01ed452e
|
Darren Embry
|
$append_ip_to_name = true;
|
| 292 |
79262830
|
Phil Davis
|
} else {
|
| 293 |
0917cb21
|
Darren Embry
|
$ip_list = array($vs_a[$i]['ipaddr']);
|
| 294 |
|
|
}
|
| 295 |
01ed452e
|
Darren Embry
|
|
| 296 |
0917cb21
|
Darren Embry
|
for ($j = 0; $j < count($ip_list); $j += 1) {
|
| 297 |
|
|
$ip = $ip_list[$j];
|
| 298 |
01ed452e
|
Darren Embry
|
for ($k = 0; $k < count($src_port_array) && $k < count($dest_port_array); $k += 1) {
|
| 299 |
6c07db48
|
Phil Davis
|
$src_port = $src_port_array[$k];
|
| 300 |
01ed452e
|
Darren Embry
|
$dest_port = $dest_port_array[$k];
|
| 301 |
9195a837
|
jim-p
|
if (is_portrange($dest_port)) {
|
| 302 |
|
|
$dest_ports = explode(':', $dest_port);
|
| 303 |
|
|
$dest_port = $dest_ports[0];
|
| 304 |
|
|
}
|
| 305 |
01ed452e
|
Darren Embry
|
|
| 306 |
|
|
$name = $vs_a[$i]['name'];
|
| 307 |
|
|
if ($append_ip_to_name) {
|
| 308 |
|
|
$name .= "_" . $j;
|
| 309 |
0917cb21
|
Darren Embry
|
}
|
| 310 |
01ed452e
|
Darren Embry
|
if ($append_port_to_name) {
|
| 311 |
9195a837
|
jim-p
|
$name .= "_" . str_replace(":", "_", $src_port);
|
| 312 |
0917cb21
|
Darren Embry
|
}
|
| 313 |
|
|
|
| 314 |
01ed452e
|
Darren Embry
|
if (($vs_a[$i]['mode'] == 'relay') || ($vs_a[$i]['relay_protocol'] == 'dns')) {
|
| 315 |
|
|
$conf .= "relay \"{$name}\" {\n";
|
| 316 |
|
|
$conf .= " listen on {$ip} port {$src_port}\n";
|
| 317 |
0917cb21
|
Darren Embry
|
|
| 318 |
01ed452e
|
Darren Embry
|
if ($vs_a[$i]['relay_protocol'] == "dns") {
|
| 319 |
|
|
$conf .= " protocol \"dnsproto\"\n";
|
| 320 |
|
|
} else {
|
| 321 |
|
|
$conf .= " protocol \"{$vs_a[$i]['relay_protocol']}\"\n";
|
| 322 |
|
|
}
|
| 323 |
|
|
$lbmode = "";
|
| 324 |
79262830
|
Phil Davis
|
if ($pools[$vs_a[$i]['poolname']]['mode'] == "loadbalance") {
|
| 325 |
01ed452e
|
Darren Embry
|
$lbmode = "mode loadbalance";
|
| 326 |
|
|
}
|
| 327 |
0917cb21
|
Darren Embry
|
|
| 328 |
6e9b046e
|
jim-p
|
$conf .= " forward to <{$vs_a[$i]['poolname']}> port {$dest_port} {$lbmode} {$check_a[$pools[$vs_a[$i]['poolname']]['monitor']]} \n";
|
| 329 |
0917cb21
|
Darren Embry
|
|
| 330 |
6c07db48
|
Phil Davis
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0 && ($vs_a[$i]['relay_protocol'] != 'dns')) {
|
| 331 |
6e9b046e
|
jim-p
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$dest_port} {$lbmode} {$check_a[$pools[$vs_a[$i]['poolname']]['monitor']]} \n";
|
| 332 |
79262830
|
Phil Davis
|
}
|
| 333 |
01ed452e
|
Darren Embry
|
$conf .= "}\n";
|
| 334 |
6c07db48
|
Phil Davis
|
} else {
|
| 335 |
01ed452e
|
Darren Embry
|
$conf .= "redirect \"{$name}\" {\n";
|
| 336 |
|
|
$conf .= " listen on {$ip} port {$src_port}\n";
|
| 337 |
6e9b046e
|
jim-p
|
$conf .= " forward to <{$vs_a[$i]['poolname']}> port {$dest_port} {$check_a[$pools[$vs_a[$i]['poolname']]['monitor']]} \n";
|
| 338 |
0917cb21
|
Darren Embry
|
|
| 339 |
79262830
|
Phil Davis
|
if (isset($config['system']['lb_use_sticky'])) {
|
| 340 |
01ed452e
|
Darren Embry
|
$conf .= " sticky-address\n";
|
| 341 |
79262830
|
Phil Davis
|
}
|
| 342 |
01ed452e
|
Darren Embry
|
|
| 343 |
|
|
/* sitedown MUST use the same port as the primary pool - sucks, but it's a relayd thing */
|
| 344 |
79262830
|
Phil Davis
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0 && ($vs_a[$i]['relay_protocol'] != 'dns')) {
|
| 345 |
34bf3512
|
jim-p
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$dest_port} {$check_a[$pools[$vs_a[$i]['sitedown']]['monitor']]} \n";
|
| 346 |
79262830
|
Phil Davis
|
}
|
| 347 |
01ed452e
|
Darren Embry
|
|
| 348 |
|
|
$conf .= "}\n";
|
| 349 |
|
|
}
|
| 350 |
b6d74873
|
jim-p
|
}
|
| 351 |
0130b756
|
Warren Baker
|
}
|
| 352 |
|
|
}
|
| 353 |
|
|
}
|
| 354 |
|
|
fwrite($fd, $conf);
|
| 355 |
|
|
fclose($fd);
|
| 356 |
|
|
|
| 357 |
|
|
if (is_process_running('relayd')) {
|
| 358 |
6c07db48
|
Phil Davis
|
if (!empty($vs_a)) {
|
| 359 |
d3534235
|
jim-p
|
if ($kill_first) {
|
| 360 |
|
|
mwexec('pkill relayd');
|
| 361 |
108e868d
|
jim-p
|
/* Remove all active relayd anchors now that relayd is no longer running. */
|
| 362 |
|
|
cleanup_lb_anchor("*");
|
| 363 |
d3534235
|
jim-p
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
| 364 |
|
|
} else {
|
| 365 |
|
|
// it's running and there is a config, just reload
|
| 366 |
|
|
mwexec("/usr/local/sbin/relayctl reload");
|
| 367 |
|
|
}
|
| 368 |
0130b756
|
Warren Baker
|
} else {
|
| 369 |
|
|
/*
|
| 370 |
|
|
* XXX: Something breaks our control connection with relayd
|
| 371 |
|
|
* and makes 'relayctl stop' not work
|
| 372 |
|
|
* rule reloads are the current suspect
|
| 373 |
|
|
* mwexec('/usr/local/sbin/relayctl stop');
|
| 374 |
|
|
* returns "command failed"
|
| 375 |
|
|
*/
|
| 376 |
|
|
mwexec('pkill relayd');
|
| 377 |
108e868d
|
jim-p
|
/* Remove all active relayd anchors now that relayd is no longer running. */
|
| 378 |
|
|
cleanup_lb_anchor("*");
|
| 379 |
0130b756
|
Warren Baker
|
}
|
| 380 |
b1bd2119
|
Chris Buechler
|
} else {
|
| 381 |
79262830
|
Phil Davis
|
if (!empty($vs_a)) {
|
| 382 |
0130b756
|
Warren Baker
|
// not running and there is a config, start it
|
| 383 |
108e868d
|
jim-p
|
/* Remove all active relayd anchors so it can start fresh. */
|
| 384 |
|
|
cleanup_lb_anchor("*");
|
| 385 |
0130b756
|
Warren Baker
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
| 386 |
|
|
}
|
| 387 |
b1bd2119
|
Chris Buechler
|
}
|
| 388 |
3ad6d3bb
|
Bill Marquette
|
}
|
| 389 |
|
|
|
| 390 |
a776c720
|
jim-p
|
function get_lb_redirects() {
|
| 391 |
|
|
/*
|
| 392 |
|
|
# relayctl show summary
|
| 393 |
|
|
Id Type Name Avlblty Status
|
| 394 |
|
|
1 redirect testvs2 active
|
| 395 |
|
|
5 table test2:80 active (3 hosts up)
|
| 396 |
|
|
11 host 192.168.1.2 91.55% up
|
| 397 |
|
|
10 host 192.168.1.3 100.00% up
|
| 398 |
|
|
9 host 192.168.1.4 88.73% up
|
| 399 |
|
|
3 table test:80 active (1 hosts up)
|
| 400 |
|
|
7 host 192.168.1.2 66.20% down
|
| 401 |
|
|
6 host 192.168.1.3 97.18% up
|
| 402 |
|
|
0 redirect testvs active
|
| 403 |
|
|
3 table test:80 active (1 hosts up)
|
| 404 |
|
|
7 host 192.168.1.2 66.20% down
|
| 405 |
|
|
6 host 192.168.1.3 97.18% up
|
| 406 |
|
|
4 table testvs-sitedown:80 active (1 hosts up)
|
| 407 |
|
|
8 host 192.168.1.4 84.51% up
|
| 408 |
|
|
# relayctl show redirects
|
| 409 |
|
|
Id Type Name Avlblty Status
|
| 410 |
|
|
1 redirect testvs2 active
|
| 411 |
|
|
0 redirect testvs active
|
| 412 |
|
|
# relayctl show redirects
|
| 413 |
|
|
Id Type Name Avlblty Status
|
| 414 |
|
|
1 redirect testvs2 active
|
| 415 |
79262830
|
Phil Davis
|
total: 2 sessions
|
| 416 |
|
|
last: 2/60s 2/h 2/d sessions
|
| 417 |
|
|
average: 1/60s 0/h 0/d sessions
|
| 418 |
a776c720
|
jim-p
|
0 redirect testvs active
|
| 419 |
|
|
*/
|
| 420 |
|
|
$rdr_a = array();
|
| 421 |
|
|
exec('/usr/local/sbin/relayctl show redirects 2>&1', $rdr_a);
|
| 422 |
b6d74873
|
jim-p
|
$relay_a = array();
|
| 423 |
|
|
exec('/usr/local/sbin/relayctl show relays 2>&1', $relay_a);
|
| 424 |
a776c720
|
jim-p
|
$vs = array();
|
| 425 |
ff160984
|
jim-p
|
$cur_entry = "";
|
| 426 |
a776c720
|
jim-p
|
for ($i = 0; isset($rdr_a[$i]); $i++) {
|
| 427 |
|
|
$line = $rdr_a[$i];
|
| 428 |
|
|
if (preg_match("/^[0-9]+/", $line)) {
|
| 429 |
|
|
$regs = array();
|
| 430 |
79262830
|
Phil Davis
|
if ($x = preg_match("/^[0-9]+\s+redirect\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
| 431 |
ff160984
|
jim-p
|
$cur_entry = trim($regs[1]);
|
| 432 |
a776c720
|
jim-p
|
$vs[trim($regs[1])] = array();
|
| 433 |
|
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
| 434 |
|
|
}
|
| 435 |
ff160984
|
jim-p
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 436 |
|
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
| 437 |
|
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 438 |
|
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
| 439 |
|
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 440 |
|
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
| 441 |
a776c720
|
jim-p
|
}
|
| 442 |
|
|
}
|
| 443 |
ff160984
|
jim-p
|
$cur_entry = "";
|
| 444 |
b6d74873
|
jim-p
|
for ($i = 0; isset($relay_a[$i]); $i++) {
|
| 445 |
|
|
$line = $relay_a[$i];
|
| 446 |
|
|
if (preg_match("/^[0-9]+/", $line)) {
|
| 447 |
|
|
$regs = array();
|
| 448 |
79262830
|
Phil Davis
|
if ($x = preg_match("/^[0-9]+\s+relay\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
| 449 |
ff160984
|
jim-p
|
$cur_entry = trim($regs[1]);
|
| 450 |
b6d74873
|
jim-p
|
$vs[trim($regs[1])] = array();
|
| 451 |
|
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
| 452 |
|
|
}
|
| 453 |
ff160984
|
jim-p
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 454 |
|
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
| 455 |
|
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 456 |
|
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
| 457 |
|
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
| 458 |
|
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
| 459 |
b6d74873
|
jim-p
|
}
|
| 460 |
|
|
}
|
| 461 |
a776c720
|
jim-p
|
return $vs;
|
| 462 |
|
|
}
|
| 463 |
|
|
|
| 464 |
|
|
function get_lb_summary() {
|
| 465 |
|
|
$relayctl = array();
|
| 466 |
|
|
exec('/usr/local/sbin/relayctl show summary 2>&1', $relayctl);
|
| 467 |
|
|
$relay_hosts=Array();
|
| 468 |
79262830
|
Phil Davis
|
foreach ((array) $relayctl as $line) {
|
| 469 |
cfbfd941
|
smos
|
$t = explode("\t", $line);
|
| 470 |
a776c720
|
jim-p
|
switch (trim($t[1])) {
|
| 471 |
|
|
case "table":
|
| 472 |
|
|
$curpool=trim($t[2]);
|
| 473 |
9859b2b5
|
Darren Embry
|
break;
|
| 474 |
a776c720
|
jim-p
|
case "host":
|
| 475 |
|
|
$curhost=trim($t[2]);
|
| 476 |
|
|
$relay_hosts[$curpool][$curhost]['avail']=trim($t[3]);
|
| 477 |
|
|
$relay_hosts[$curpool][$curhost]['state']=trim($t[4]);
|
| 478 |
9859b2b5
|
Darren Embry
|
break;
|
| 479 |
a776c720
|
jim-p
|
}
|
| 480 |
|
|
}
|
| 481 |
|
|
return $relay_hosts;
|
| 482 |
|
|
}
|
| 483 |
|
|
|
| 484 |
108e868d
|
jim-p
|
/* Get a list of all relayd virtual server anchors */
|
| 485 |
|
|
function get_lb_anchors() {
|
| 486 |
|
|
/* NOTE: These names come back prepended with "relayd/" e.g. "relayd/MyVSName" */
|
| 487 |
|
|
return explode("\n", trim(`/sbin/pfctl -sA -a relayd | /usr/bin/awk '{print $1;}'`));
|
| 488 |
|
|
}
|
| 489 |
|
|
|
| 490 |
|
|
/* Remove NAT rules from a relayd anchor that is no longer in use.
|
| 491 |
|
|
$anchorname can either be * to clear all anchors or a specific anchor name.*/
|
| 492 |
|
|
function cleanup_lb_anchor($anchorname = "*") {
|
| 493 |
|
|
$lbanchors = get_lb_anchors();
|
| 494 |
|
|
foreach ($lbanchors as $lba) {
|
| 495 |
|
|
if (($anchorname == "*") || ($lba == "relayd/{$anchorname}")) {
|
| 496 |
|
|
/* Flush both the NAT and the Table for the anchor, so it will be completely removed by pf. */
|
| 497 |
|
|
mwexec("/sbin/pfctl -a " . escapeshellarg($lba) . " -F nat");
|
| 498 |
|
|
mwexec("/sbin/pfctl -a " . escapeshellarg($lba) . " -F Tables");
|
| 499 |
|
|
}
|
| 500 |
|
|
}
|
| 501 |
|
|
}
|
| 502 |
|
|
|
| 503 |
|
|
/* Mark an anchor for later cleanup. This will allow us to remove an old VS name */
|
| 504 |
|
|
function cleanup_lb_mark_anchor($name) {
|
| 505 |
|
|
global $g;
|
| 506 |
|
|
/* Nothing to do! */
|
| 507 |
79262830
|
Phil Davis
|
if (empty($name)) {
|
| 508 |
108e868d
|
jim-p
|
return;
|
| 509 |
79262830
|
Phil Davis
|
}
|
| 510 |
108e868d
|
jim-p
|
$filename = "{$g['tmp_path']}/relayd_anchors_remove";
|
| 511 |
|
|
$cleanup_anchors = array();
|
| 512 |
|
|
/* Read in any currently unapplied name changes */
|
| 513 |
79262830
|
Phil Davis
|
if (file_exists($filename)) {
|
| 514 |
108e868d
|
jim-p
|
$cleanup_anchors = explode("\n", file_get_contents($filename));
|
| 515 |
79262830
|
Phil Davis
|
}
|
| 516 |
108e868d
|
jim-p
|
/* Only add the anchor to the list if it's not already there. */
|
| 517 |
79262830
|
Phil Davis
|
if (!in_array($name, $cleanup_anchors)) {
|
| 518 |
108e868d
|
jim-p
|
$cleanup_anchors[] = $name;
|
| 519 |
79262830
|
Phil Davis
|
}
|
| 520 |
108e868d
|
jim-p
|
file_put_contents($filename, implode("\n", $cleanup_anchors));
|
| 521 |
|
|
}
|
| 522 |
|
|
|
| 523 |
|
|
/* Cleanup relayd anchors that have been marked for cleanup. */
|
| 524 |
|
|
function cleanup_lb_marked() {
|
| 525 |
|
|
global $g, $config;
|
| 526 |
|
|
$filename = "{$g['tmp_path']}/relayd_anchors_remove";
|
| 527 |
|
|
$cleanup_anchors = array();
|
| 528 |
|
|
/* Nothing to do! */
|
| 529 |
|
|
if (!file_exists($filename)) {
|
| 530 |
|
|
return;
|
| 531 |
|
|
} else {
|
| 532 |
|
|
$cleanup_anchors = explode("\n", file_get_contents($filename));
|
| 533 |
|
|
/* Nothing to do! */
|
| 534 |
79262830
|
Phil Davis
|
if (empty($cleanup_anchors)) {
|
| 535 |
108e868d
|
jim-p
|
return;
|
| 536 |
79262830
|
Phil Davis
|
}
|
| 537 |
108e868d
|
jim-p
|
}
|
| 538 |
|
|
|
| 539 |
|
|
/* Load current names so we can make sure we don't remove an anchor that is still in use. */
|
| 540 |
|
|
$vs_a = $config['load_balancer']['virtual_server'];
|
| 541 |
|
|
$active_vsnames = array();
|
| 542 |
79262830
|
Phil Davis
|
if (is_array($vs_a)) {
|
| 543 |
108e868d
|
jim-p
|
foreach ($vs_a as $vs) {
|
| 544 |
|
|
$active_vsnames[] = $vs['name'];
|
| 545 |
|
|
}
|
| 546 |
|
|
}
|
| 547 |
|
|
|
| 548 |
|
|
foreach ($cleanup_anchors as $anchor) {
|
| 549 |
|
|
/* Only cleanup an anchor if it is not still active. */
|
| 550 |
|
|
if (!in_array($anchor, $active_vsnames)) {
|
| 551 |
|
|
cleanup_lb_anchor($anchor);
|
| 552 |
|
|
}
|
| 553 |
|
|
}
|
| 554 |
|
|
unlink_if_exists($filename);
|
| 555 |
|
|
}
|
| 556 |
|
|
|
| 557 |
9b0ddd8c
|
Ermal
|
?>
|