From dc516c24685518b41bcce0751caf286dc65e471f Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Wed, 17 Mar 2021 15:39:55 +0100
Subject: [locations/rebootcontrol] Change ENUM constants; display next event

---
 modules-available/rebootcontrol/hooks/cron.inc.php    |  8 +++++---
 modules-available/rebootcontrol/inc/scheduler.inc.php | 16 ++++++++++------
 modules-available/rebootcontrol/install.inc.php       | 15 +++++++++++----
 3 files changed, 26 insertions(+), 13 deletions(-)

(limited to 'modules-available/rebootcontrol')

diff --git a/modules-available/rebootcontrol/hooks/cron.inc.php b/modules-available/rebootcontrol/hooks/cron.inc.php
index 56446c49..c1136c98 100644
--- a/modules-available/rebootcontrol/hooks/cron.inc.php
+++ b/modules-available/rebootcontrol/hooks/cron.inc.php
@@ -27,12 +27,14 @@ while ($row = $res->fetch(PDO::FETCH_ASSOC)) {
 
 	$machines = Database::queryAll("SELECT machineuuid, clientip, macaddr, locationid FROM machine
 		WHERE locationid = :locid", ['locid' => $row['locationid']]);
-	if ($row['action'] === 'sd') {
+	if ($row['action'] === Scheduler::SHUTDOWN) {
 		RebootControl::execute($machines, RebootControl::SHUTDOWN, 0);
-	} elseif ($row['action'] === 'wol') {
+	} elseif ($row['action'] === Scheduler::WOL) {
 		RebootControl::wakeMachines($machines);
-	} elseif ($row['action'] === 'rb') {
+	} elseif ($row['action'] === Scheduler::REBOOT) {
 		RebootControl::execute($machines, RebootControl::REBOOT, 0);
+	} else {
+		EventLog::warning("Invalid action '{$row['action']}' in schedule for location " . $row['locationid']);
 	}
 }
 
diff --git a/modules-available/rebootcontrol/inc/scheduler.inc.php b/modules-available/rebootcontrol/inc/scheduler.inc.php
index 613fbbee..45aedcc1 100644
--- a/modules-available/rebootcontrol/inc/scheduler.inc.php
+++ b/modules-available/rebootcontrol/inc/scheduler.inc.php
@@ -3,6 +3,10 @@
 class Scheduler
 {
 
+	const SHUTDOWN = 'SHUTDOWN';
+	const REBOOT = 'REBOOT';
+	const WOL = 'WOL';
+
 	public static function updateSchedule($locationid, $options, $openingTimes)
 	{
 		if (empty($openingTimes)) {
@@ -57,11 +61,11 @@ class Scheduler
 		foreach ($openingTimes as $row) {
 			foreach ($row['days'] as $day) {
 				if ($options['wol']) {
-					$events[] = ['action' => 'wol',
+					$events[] = ['action' => self::WOL,
 						'time' => self::calculateTimestamp($now, $day, $row['openingtime'])];
 				}
 				if ($options['sd']) {
-					$events[] = ['action' => 'sd',
+					$events[] = ['action' => self::SHUTDOWN,
 						'time' => self::calculateTimestamp($now, $day, $row['closingtime'])];
 				}
 			}
@@ -75,9 +79,9 @@ class Scheduler
 		$prev = PHP_INT_MAX;
 		for ($i = count($events) - 1; $i >= 0; --$i) {
 			$event =& $events[$i];
-			if ($event['action'] === 'wol') {
+			if ($event['action'] === self::WOL) {
 				$event['time'] -= $wolOffset;
-			} elseif ($event['action'] === 'sd') {
+			} elseif ($event['action'] === self::SHUTDOWN) {
 				$event['time'] += $sdOffset;
 			} else {
 				error_log('BUG Unhandled event type ' . $event['action']);
@@ -102,9 +106,9 @@ class Scheduler
 				// If difference to next event is < 5 min, ignore.
 				continue;
 			}
-			if ($diff < 900 && $event['action'] === 'sd' && $events[$i + 1]['action'] === 'wol') {
+			if ($diff < 900 && $event['action'] === self::SHUTDOWN && $events[$i + 1]['action'] === self::WOL) {
 				// If difference to next WOL is < 15 min and this is a shutdown, reboot instead.
-				$res['action'] = 'rb';
+				$res['action'] = self::REBOOT;
 				$res['time'] = $event['time'];
 			} else {
 				// Use first event.
diff --git a/modules-available/rebootcontrol/install.inc.php b/modules-available/rebootcontrol/install.inc.php
index f400129e..d45a2443 100644
--- a/modules-available/rebootcontrol/install.inc.php
+++ b/modules-available/rebootcontrol/install.inc.php
@@ -39,7 +39,7 @@ $output[] = tableCreate('reboot_subnet_x_subnet', "
 
 $output[] = tableCreate('reboot_scheduler', "
 	`locationid` INT(11) NOT NULL,
-	`action` ENUM('wol', 'sd', 'rb'),
+	`action` ENUM('WOL', 'SHUTDOWN', 'REBOOT'),
 	`nextexecution` INT(10) UNSIGNED NOT NULL DEFAULT 0,
 	`options` BLOB,
 	PRIMARY KEY (`locationid`)");
@@ -60,9 +60,16 @@ if (tableColumnKeyType('reboot_scheduler', 'action') === 'PRI') {
 	$res = Database::exec("ALTER TABLE `reboot_scheduler` DROP PRIMARY KEY, ADD PRIMARY KEY (`locationid`)");
 	$output[] = $res !== false ? UPDATE_DONE : UPDATE_FAILED;
 }
-if (strpos(tableColumnType('reboot_scheduler', 'action'), 'rb') === false) {
-	$res = Database::exec("ALTER TABLE `reboot_scheduler` MODIFY COLUMN `action` ENUM('wol', 'sd', 'rb')");
-	$output[] = $res !== false ? UPDATE_DONE : UPDATE_FAILED;
+if (strpos(tableColumnType('reboot_scheduler', 'action'), 'REBOOT') === false) {
+	// Fiddle with column to rename ENUM values
+	$res = Database::exec("ALTER TABLE `reboot_scheduler` MODIFY COLUMN `action` ENUM('sd', 'rb', 'WOL', 'SHUTDOWN', 'REBOOT')");
+	handleUpdateResult($res);
+	$res = Database::exec("UPDATE reboot_scheduler SET action =
+		CASE WHEN action = 'sd' THEN 'SHUTDOWN' WHEN action = 'rb' THEN 'REBOOT' ELSE 'WOL' END");
+	handleUpdateResult($res);
+	$res = Database::exec("ALTER TABLE `reboot_scheduler` MODIFY COLUMN `action` ENUM('WOL', 'SHUTDOWN', 'REBOOT')");
+	handleUpdateResult($res);
+	$output[] = UPDATE_DONE;
 }
 
 
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