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Merge pull request #6842 from nupplaphil/issue/6788-multiple_admin_notify

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Avoid double update runs
This commit is contained in:
Hypolite Petovan 2019-03-09 16:00:37 -05:00 committed by GitHub
commit c7702a4c7a
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 73 additions and 61 deletions
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50
src/Core/Update.php
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@ -24,19 +24,15 @@ class Update
return;
}
$build = Config::get('system', 'build');
if (empty($build)) {
Config::set('system', 'build', DB_UPDATE_VERSION - 1);
$build = DB_UPDATE_VERSION - 1;
}
$build = self::getBuild();
$current = intval(DB_UPDATE_VERSION);
// We don't support upgrading from very old versions anymore
if ($build < NEW_UPDATE_ROUTINE_VERSION) {
die('You try to update from a version prior to database version 1170. The direct upgrade path is not supported. Please update to version 3.5.4 before updating to this version.');
}
if ($build < DB_UPDATE_VERSION) {
if ($build < $current ) {
if ($via_worker) {
// Calling the database update directly via the worker enables us to perform database changes to the workerqueue table itself.
// This is a fallback, since normally the database update will be performed by a worker job.
@ -68,26 +64,26 @@ 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');
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)) {
if (Lock::acquire('dbupdate', 0, Cache::INFINITE)) {
// recheck again in case we accidentally spawned multiple updates
$stored = self::getBuild();
if ($stored >= $current) {
Lock::release('dbupdate');
return '';
}
// run the pre_update_nnnn functions in update.php
for ($x = $stored + 1; $x <= $current; $x++) {
@ -131,7 +127,6 @@ class Update
Lock::release('dbupdate');
}
}
}
return '';
}
@ -293,4 +288,21 @@ class Update
//try the logger
Logger::log("Database structure update successful.", Logger::TRACE);
}
/**
* Returns the current build number of the instance
*
* @return int the build number
*/
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);
}
}