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Avoid double update runs

This commit is contained in:
Philipp Holzer 2019-03-09 20:25:39 +01:00
parent d67ae7cbdd
commit e46a7cdf80
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GPG Key ID: 517BE60E2CE5C8A5
1 changed files with 65 additions and 54 deletions
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119
src/Core/Update.php
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@ -68,68 +68,67 @@ class Update
Lock::release('dbupdate', true);
}
$build = Config::get('system', 'build');
$current = intval(DB_UPDATE_VERSION);
$stored = self::getBuild();
if (empty($build) || ($build > DB_UPDATE_VERSION)) {
$build = DB_UPDATE_VERSION - 1;
Config::set('system', 'build', $build);
}
if ($build != DB_UPDATE_VERSION || $force) {
if ($stored < $current || $force) {
require_once 'update.php';
$stored = intval($build);
$current = intval(DB_UPDATE_VERSION);
if ($stored < $current || $force) {
Config::load('database');
Config::load('database');
Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - starting', Logger::DEBUG);
Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - starting', Logger::DEBUG);
// Compare the current structure with the defined structure
// If the Lock is acquired, never release it automatically to avoid double updates
if (Lock::acquire('dbupdate', 120, Cache::INFINITE)) {
// run the pre_update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
$r = self::runUpdateFunction($x, 'pre_update');
if (!$r) {
break;
}
}
// update the structure in one call
$retval = DBStructure::update($basePath, $verbose, true);
if (!empty($retval)) {
if ($sendMail) {
self::updateFailed(
DB_UPDATE_VERSION,
$retval
);
}
Logger::log('ERROR: Update from \'' . $stored . '\' to \'' . $current . '\' - failed: ' - $retval, Logger::ALL);
Lock::release('dbupdate');
return $retval;
} else {
Config::set('database', 'last_successful_update', $current);
Config::set('database', 'last_successful_update_time', time());
Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - finished', Logger::DEBUG);
}
// run the update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
$r = self::runUpdateFunction($x, 'update');
if (!$r) {
break;
}
}
Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - successful', Logger::DEBUG);
if ($sendMail) {
self::updateSuccessfull($stored, $current);
}
// Compare the current structure with the defined structure
// If the Lock is acquired, never release it automatically to avoid double updates
if (Lock::acquire('dbupdate', 0, Cache::INFINITE)) {
// recheck again in case we accidentally spawned multiple updates
$stored = intval(self::getBuild());
if ($stored >= $current) {
Lock::release('dbupdate');
return '';
}
// run the pre_update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
$r = self::runUpdateFunction($x, 'pre_update');
if (!$r) {
break;
}
}
// update the structure in one call
$retval = DBStructure::update($basePath, $verbose, true);
if (!empty($retval)) {
if ($sendMail) {
self::updateFailed(
DB_UPDATE_VERSION,
$retval
);
}
Logger::log('ERROR: Update from \'' . $stored . '\' to \'' . $current . '\' - failed: ' - $retval, Logger::ALL);
Lock::release('dbupdate');
return $retval;
} else {
Config::set('database', 'last_successful_update', $current);
Config::set('database', 'last_successful_update_time', time());
Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - finished', Logger::DEBUG);
}
// run the update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
$r = self::runUpdateFunction($x, 'update');
if (!$r) {
break;
}
}
Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - successful', Logger::DEBUG);
if ($sendMail) {
self::updateSuccessfull($stored, $current);
}
Lock::release('dbupdate');
}
}
@ -293,4 +292,16 @@ class Update
//try the logger
Logger::log("Database structure update successful.", Logger::TRACE);
}
private static function getBuild()
{
$build = Config::get('system', 'build');
if (empty($build) || ($build > DB_UPDATE_VERSION)) {
$build = DB_UPDATE_VERSION - 1;
Config::set('system', 'build', $build);
}
return (is_int($build) ? intval($build) : DB_UPDATE_VERSION - 1);
}
}