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<?php |
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namespace phpbu\App\Backup\Source; |
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use phpbu\App\Backup\Target; |
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use phpbu\App\Cli\Executable; |
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use phpbu\App\Cli\Result as CliResult; |
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use phpbu\App\Exception; |
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use phpbu\App\Result; |
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use phpbu\App\Util; |
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/** |
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* Tar source class. |
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* |
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* @package phpbu |
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* @subpackage Backup |
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* @author Sebastian Feldmann <[email protected]> |
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* @copyright Sebastian Feldmann <[email protected]> |
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* @license https://opensource.org/licenses/MIT The MIT License (MIT) |
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* @link http://phpbu.de/ |
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* @since Class available since Release 1.0.0 |
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*/ |
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class Tar extends SimulatorExecutable implements Simulator |
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{ |
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/** |
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* Tar Executable |
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* |
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* @var \phpbu\App\Cli\Executable\Tar |
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*/ |
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protected $executable; |
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/** |
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* Path to executable. |
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* |
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* @var string |
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*/ |
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private $pathToTar; |
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/** |
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* Path to backup |
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* |
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* @var string |
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*/ |
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private $path; |
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/** |
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* List of paths to exclude |
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* --exclude |
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* |
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* @var array |
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*/ |
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private $excludes; |
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/** |
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* Special compression program |
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* --use-compress-program |
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* |
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* @var string |
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*/ |
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private $compressProgram; |
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/** |
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* Force local file resolution |
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* |
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* --force-local |
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* |
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* @var bool |
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*/ |
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private $forceLocal; |
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/** |
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* Tar should ignore failed reads |
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* --ignore-failed-read |
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* |
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* @var bool |
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*/ |
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private $ignoreFailedRead; |
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/** |
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* Remove the packed data |
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* |
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* @var bool |
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*/ |
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private $removeSourceDir; |
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/** |
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* Compression to use. |
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* |
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* @var string |
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*/ |
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private $compression = ''; |
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/** |
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* Throttle cpu usage. |
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* |
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* @var string |
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*/ |
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private $throttle = ''; |
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/** |
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* Path where to store the archive. |
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* |
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* @var string |
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*/ |
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private $pathToArchive; |
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/** |
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* Setup. |
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* |
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* @see \phpbu\App\Backup\Source |
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* @param array $conf |
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* @throws \phpbu\App\Exception |
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*/ |
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public function setup(array $conf = []) |
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{ |
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$this->pathToTar = Util\Arr::getValue($conf, 'pathToTar', ''); |
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$this->path = Util\Arr::getValue($conf, 'path', ''); |
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$this->excludes = Util\Str::toList(Util\Arr::getValue($conf, 'exclude', '')); |
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$this->compressProgram = Util\Arr::getValue($conf, 'compressProgram', ''); |
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$this->throttle = Util\Arr::getValue($conf, 'throttle', ''); |
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$this->forceLocal = Util\Str::toBoolean(Util\Arr::getValue($conf, 'forceLocal', ''), false); |
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$this->ignoreFailedRead = Util\Str::toBoolean(Util\Arr::getValue($conf, 'ignoreFailedRead', ''), false); |
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$this->removeSourceDir = Util\Str::toBoolean(Util\Arr::getValue($conf, 'removeSourceDir', ''), false); |
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if (empty($this->path)) { |
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throw new Exception('path option is mandatory'); |
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} |
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} |
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/** |
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* Execute the backup. |
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* |
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* @see \phpbu\App\Backup\Source |
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* @param \phpbu\App\Backup\Target $target |
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* @param \phpbu\App\Result $result |
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* @return \phpbu\App\Backup\Source\Status |
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* @throws \phpbu\App\Exception |
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*/ |
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View Code Duplication |
public function backup(Target $target, Result $result) : Status |
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{ |
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// make sure source path is a directory |
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$this->validatePath(); |
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// set uncompressed default MIME type |
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$target->setMimeType('application/x-tar'); |
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$tar = $this->execute($target); |
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$result->debug($tar->getCmdPrintable()); |
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if (!$tar->isSuccessful()) { |
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throw new Exception('tar failed: ' . $tar->getStdErr()); |
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} |
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return $this->createStatus($target); |
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} |
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/** |
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* Setup the Executable to run the 'tar' command. |
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* |
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* @param \phpbu\App\Backup\Target |
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* @return \phpbu\App\Cli\Executable |
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*/ |
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protected function createExecutable(Target $target) : Executable |
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{ |
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$this->pathToArchive = $target->getPathnamePlain(); |
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// check if archive should be compressed and tar supports requested compression |
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if ($target->shouldBeCompressed() |
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&& Executable\Tar::isCompressionValid($target->getCompression()->getCommand())) { |
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$this->pathToArchive = $target->getPathname(); |
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$this->compression = $target->getCompression()->getCommand(); |
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} |
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$executable = new Executable\Tar($this->pathToTar); |
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$executable->archiveDirectory($this->path) |
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->useCompression($this->compression) |
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->useCompressProgram($this->compressProgram) |
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->forceLocal($this->forceLocal) |
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->ignoreFailedRead($this->ignoreFailedRead) |
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->removeSourceDirectory($this->removeSourceDir) |
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->throttle($this->throttle) |
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->archiveTo($this->pathToArchive); |
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// add paths to exclude |
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foreach ($this->excludes as $path) { |
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$executable->addExclude($path); |
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} |
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return $executable; |
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} |
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/** |
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* Check the source to compress. |
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* |
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* @throws \phpbu\App\Exception |
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*/ |
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private function validatePath() |
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{ |
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if (!is_dir($this->path)) { |
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throw new Exception('path to compress has to be a directory'); |
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} |
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} |
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/** |
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* Create backup status. |
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* |
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* @param \phpbu\App\Backup\Target |
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* @return \phpbu\App\Backup\Source\Status |
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*/ |
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protected function createStatus(Target $target) : Status |
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{ |
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$status = Status::create(); |
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// if tar doesn't handle the compression mark status uncompressed |
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// so the app can take care of compression |
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if (!$this->executable->handlesCompression()) { |
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$status->uncompressedFile($target->getPathnamePlain()); |
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} |
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return $status; |
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} |
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} |
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sebastianfeldmann /
phpbu
