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Merge pull request #22938 from nextcloud/backport/22911/stable20 

[stable20] Allow to run occ preview:repair in parallel
This commit is contained in:
Morris Jobke 2020-09-18 18:14:29 +02:00 committed by GitHub
parent 03d00afe31 b35daf665f
commit 5d81cb36b5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 22 additions and 12 deletions
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34
core/Command/Preview/Repair.php
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@ -33,6 +33,8 @@ use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IConfig;
use OCP\ILogger;
use OCP\Lock\ILockingProvider;
use OCP\Lock\LockedException;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Helper\ProgressBar;
use Symfony\Component\Console\Input\InputInterface;
@ -54,11 +56,14 @@ class Repair extends Command {
private $memoryLimit;
/** @var int */
private $memoryTreshold;
/** @var ILockingProvider */
private $lockingProvider;
public function __construct(IConfig $config, IRootFolder $rootFolder, ILogger $logger, IniGetWrapper $phpIni) {
public function __construct(IConfig $config, IRootFolder $rootFolder, ILogger $logger, IniGetWrapper $phpIni, ILockingProvider $lockingProvider) {
$this->config = $config;
$this->rootFolder = $rootFolder;
$this->logger = $logger;
$this->lockingProvider = $lockingProvider;
$this->memoryLimit = $phpIni->getBytes('memory_limit');
$this->memoryTreshold = $this->memoryLimit - 25 * 1024 * 1024;
@ -95,8 +100,6 @@ class Repair extends Command {
$output->writeln("");
}
$verbose = $output->isVerbose();
$instanceId = $this->config->getSystemValueString('instanceid');
$output->writeln("This will migrate all previews from the old preview location to the new one.");
@ -218,14 +221,21 @@ class Repair extends Command {
return 1;
}
$lockName = 'occ preview:repair lock ' . $oldPreviewFolder->getId();
try {
$section1->writeln(" Locking \"$lockName\" …", OutputInterface::VERBOSITY_VERBOSE);
$this->lockingProvider->acquireLock($lockName, ILockingProvider::LOCK_EXCLUSIVE);
} catch (LockedException $e) {
$section1->writeln(" Skipping because it is locked - another process seems to work on this …");
continue;
}
$previews = $oldPreviewFolder->getDirectoryListing();
if ($previews !== []) {
try {
$this->rootFolder->get("appdata_$instanceId/preview/$newFoldername");
} catch (NotFoundException $e) {
if ($verbose) {
$section1->writeln(" Create folder preview/$newFoldername");
}
$section1->writeln(" Create folder preview/$newFoldername", OutputInterface::VERBOSITY_VERBOSE);
if (!$dryMode) {
$this->rootFolder->newFolder("appdata_$instanceId/preview/$newFoldername");
}
@ -240,9 +250,7 @@ class Repair extends Command {
$progressBar->advance();
continue;
}
if ($verbose) {
$section1->writeln(" Move preview/$name/$previewName to preview/$newFoldername");
}
$section1->writeln(" Move preview/$name/$previewName to preview/$newFoldername", OutputInterface::VERBOSITY_VERBOSE);
if (!$dryMode) {
try {
$preview->move("appdata_$instanceId/preview/$newFoldername/$previewName");
@ -253,9 +261,7 @@ class Repair extends Command {
}
}
if ($oldPreviewFolder->getDirectoryListing() === []) {
if ($verbose) {
$section1->writeln(" Delete empty folder preview/$name");
}
$section1->writeln(" Delete empty folder preview/$name", OutputInterface::VERBOSITY_VERBOSE);
if (!$dryMode) {
try {
$oldPreviewFolder->delete();
@ -264,6 +270,10 @@ class Repair extends Command {
}
}
}
$this->lockingProvider->releaseLock($lockName, ILockingProvider::LOCK_EXCLUSIVE);
$section1->writeln(" Unlocked", OutputInterface::VERBOSITY_VERBOSE);
$section1->writeln(" Finished migrating previews of file with fileId $name …");
$progressBar->advance();
}