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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the systemctl PHP library. |
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* |
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* (c) Martin Janser <[email protected]> |
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* |
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* This source file is subject to the GPL license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace SystemCtl; |
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use Symfony\Component\Process\Process; |
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use Symfony\Component\Process\ProcessBuilder; |
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class Service |
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{ |
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const STATUS_STOPPED = 3; |
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/** |
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* @var string |
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*/ |
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private static $command = 'systemctl'; |
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/** |
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* @var bool |
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*/ |
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private static $sudo = true; |
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/** |
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* @var string |
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*/ |
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private $name; |
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/** |
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* Sets the systemctl command to use. |
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* |
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* @param string $command |
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*/ |
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public static function setCommand($command) |
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{ |
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self::$command = $command; |
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} |
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/** |
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* Specifies whether or not to use sudo to run the systemctl command. |
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* |
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* @param bool $flag |
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*/ |
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public static function sudo($flag = true) |
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{ |
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self::$sudo = (bool) $flag; |
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} |
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/** |
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* @param string $name Name of the service to manage |
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*/ |
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public function __construct($name) |
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{ |
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$this->name = $name; |
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} |
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/** |
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* Checks whether or not the service is running. |
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* |
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* @throws CommandFailedException If the command failed |
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* |
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* @return bool |
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*/ |
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public function isRunning() |
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{ |
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$builder = $this->getProcessBuilder(); |
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$builder->add('--lines=0')->add('status')->add($this->name); |
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$process = $builder->getProcess(); |
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$process->run(); |
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if ($process->isSuccessful()) { |
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return true; |
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} |
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if (self::STATUS_STOPPED === $process->getExitCode()) { |
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return false; |
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} |
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throw new CommandFailedException($process); |
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} |
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/** |
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* Starts the service. |
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* |
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* @throws CommandFailedException If the command failed |
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*/ |
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public function start() |
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{ |
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if ($this->isRunning()) { |
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return; |
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} |
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$builder = $this->getProcessBuilder(); |
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$builder->add('start')->add($this->name); |
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$process = $builder->getProcess(); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new CommandFailedException($process); |
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} |
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} |
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/** |
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* Stops the service. |
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* |
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* @throws CommandFailedException If the command failed |
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*/ |
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public function stop() |
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{ |
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if (!$this->isRunning()) { |
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return; |
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} |
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$builder = $this->getProcessBuilder(); |
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$builder->add('stop')->add($this->name); |
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$process = $builder->getProcess(); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new CommandFailedException($process); |
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} |
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} |
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/** |
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* Restarts the service. |
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* |
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* @throws CommandFailedException If the command failed |
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*/ |
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public function restart() |
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{ |
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$builder = $this->getProcessBuilder(); |
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$builder->add('restart')->add($this->name); |
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$process = $builder->getProcess(); |
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$process->run(); |
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if (!$process->isSuccessful()) { |
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throw new CommandFailedException($process); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->name; |
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} |
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/** |
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* Creates and prepares a process builder. |
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* |
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* @return ProcessBuilder |
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*/ |
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private function getProcessBuilder() |
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{ |
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$command = explode(' ', self::$command); |
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if (self::$sudo) { |
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array_unshift($command, 'sudo'); |
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} |
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$builder = ProcessBuilder::create($command); |
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$builder->setTimeout(3); |
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return $builder; |
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} |
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} |
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mjanser /
php-systemctl
