Current File : //backups/router/usr/local/opnsense/scripts/interfaces/carp_set_status.php
#!/usr/local/bin/php
<?php
/*
* Copyright (C) 2022 Deciso B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
require_once('config.inc');
require_once('util.inc');
require_once("interfaces.inc");
$action = strtolower($argv[1] ?? '');
$a_vip = &config_read_array('virtualip', 'vip');
if ($action == 'maintenance') {
if (isset($config["virtualip_carp_maintenancemode"])) {
unset($config["virtualip_carp_maintenancemode"]);
$carp_demotion_default = '0';
foreach ($config['sysctl']['item'] as $tunable) {
if ($tunable['tunable'] == 'net.inet.carp.demotion' && ctype_digit($tunable['value'])) {
$carp_demotion_default = $tunable['value'];
}
}
$carp_diff = $carp_demotion_default - get_single_sysctl('net.inet.carp.demotion');
set_single_sysctl('net.inet.carp.demotion', $carp_diff);
write_config("Leave CARP maintenance mode");
echo json_encode(['status' => 'ok', 'action' => 'leave_maintenance']);
} else {
$config["virtualip_carp_maintenancemode"] = true;
set_single_sysctl('net.inet.carp.demotion', '240');
write_config("Enter CARP maintenance mode");
echo json_encode(['status' => 'ok', 'action' => 'enter_maintenance']);
}
} elseif ($action == 'disable') {
set_single_sysctl('net.inet.carp.allow', '0');
foreach ($a_vip as $vip) {
if (!empty($vip['vhid'])) {
interface_vip_bring_down($vip);
}
}
echo json_encode(['status' => 'ok', 'action' => 'disable']);
} elseif ($action == 'enable') {
interfaces_pfsync_configure();
set_single_sysctl('net.inet.carp.allow', '1');
foreach ($a_vip as $vip) {
if (!empty($vip['vhid'])) {
if ($vip['mode'] == 'carp') {
interface_carp_configure($vip);
} else {
interface_ipalias_configure($vip);
}
}
}
echo json_encode(['status' => 'ok', 'action' => 'enable']);
} else {
echo json_encode(['status' => 'failed']);
}
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