#!/usr/local/bin/php <?php /* Copyright (C) 2014 Jim Pingle 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("notices.inc"); require_once("globals.inc"); require_once("gmirror.inc"); global $g; $status_file = "{$g['varrun_path']}/gmirror.status"; $mirror_status = gmirror_get_status(); $mirror_list = array_keys($mirror_status); sort($mirror_list); $notices = array(); // Check for gmirror.status if (file_exists($status_file)) { // If it exists, read status in $previous_mirror_status = unserialize(file_get_contents($status_file)); $previous_mirror_list = array_keys($previous_mirror_status); sort($previous_mirror_list); if (count($previous_mirror_status) > 0) { // Check list of current mirrors vs old mirrors, notify if one has appeared/disappeared if ($mirror_list != $previous_mirror_list) $notices[] = sprintf(gettext("List of mirrors changed. Old: (%s) New: (%s)"), implode(", ", $previous_mirror_list), implode(", ", $mirror_list)); // For each mirror, check the mirror status, notify if changed foreach ($mirror_list as $mirror) { if (is_array($previous_mirror_status[$mirror])) { // Notify if the status changed if ($mirror_status[$mirror]['status'] != $previous_mirror_status[$mirror]['status']) { $notices[] = sprintf(gettext("Mirror %s status changed from %s to %s."), $mirror, $previous_mirror_status[$mirror]['status'], $mirror_status[$mirror]['status']); } // Notify if the drive count changed if (count($mirror_status[$mirror]['components']) != count($previous_mirror_status[$mirror]['components'])) { // Notify if the consumer count changed. $notices[] = sprintf(gettext("Mirror %s consumer count changed from %d to %d."), $mirror, count($previous_mirror_status[$mirror]['components']), count($mirror_status[$mirror]['components'])); } if (strtoupper($mirror_status[$mirror]['status']) == "DEGRADED") { // Check the drive status as it may be different. asort($mirror_status[$mirror]['components']); asort($previous_mirror_status[$mirror]['components']); if ($mirror_status[$mirror]['components'] != $previous_mirror_status[$mirror]['components']) $notices[] = sprintf(gettext("Mirror %s drive status changed. Old: (%s) New: (%s)"), $mirror, implode(", ", $previous_mirror_status[$mirror]['components']), implode(", ", $mirror_status[$mirror]['components'])); } } } } } if (count($notices)) { file_notice("gmirror", implode("\n ", $notices), "GEOM Mirror Status Change", 1); } // Write out current status if changed if ($mirror_status != $previous_mirror_status) file_put_contents($status_file, serialize($mirror_status));