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<?php
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/* $Id$ */
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/*
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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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*/
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/* include all configuration functions */
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require_once("functions.inc");
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require_once("pkg-utils.inc");
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require_once("notices.inc");
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function relayd_configure() {
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global $config, $g;
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$vs_a = &$config['load_balancer']['virtual_server'];
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$pool_a = &$config['load_balancer']['lbpool'];
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$fd = fopen("{$g['varetc_path']}/relayd.conf", "w");
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/* reindex pools by name as we loop through the pools array */
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$pools = array();
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/* Virtual server pools */
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if(is_array($pool_a)) {
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for ($i = 0; isset($pool_a[$i]); $i++) {
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/* Don't deal with gateway pools - XXX remove me after gateways are converted */
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if ($pool_a[$i]['type'] == "gateway")
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continue;
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if(is_array($pool_a[$i]['servers'])) {
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$srvtxt = implode(", ", $pool_a[$i]['servers']);
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$conf .= "table <{$pool_a[$i]['name']}> { $srvtxt }\n";
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/* Index by name for easier fetching when we loop through the virtual servers */
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$pools[$pool_a[$i]['name']] = $pool_a[$i];
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}
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}
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}
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if(is_array($vs_a)) {
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for ($i = 0; isset($vs_a[$i]); $i++) {
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$conf .= "redirect \"{$vs_a[$i]['name']}\" {\n";
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$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
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$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} check tcp timeout 1000\n";
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/* XXX - this needs to use the backup pool aka sitedown - but that isn't converted yet */
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if (isset($vs_a[$i]['sitedown']) && $vs_a[$i]['sitedown'] != "")
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$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} check tcp timeout 1000\n";
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$conf .= "}\n";
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}
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}
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fwrite($fd, $conf);
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fclose($fd);
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if (is_process_running('relayd: parent')) {
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/*
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* XXX: Something breaks our control connection with relayd and makes relayctl stop working
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* rule reloads are the current suspect
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* mwexec('/usr/local/bin/relayctl stop');
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*/
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mwexec('pkill relayd');
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}
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mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
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}
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?>
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