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<?php |
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/* |
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* This file is part of the Magallanes package. |
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* |
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* (c) Andrés Montañez <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Mage\Command\BuiltIn\Releases; |
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use Mage\Task\TaskFactory; |
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use Mage\Runtime\Exception\RuntimeException; |
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use Symfony\Component\Process\Process; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Output\OutputInterface; |
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use Mage\Command\BuiltIn\DeployCommand; |
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/** |
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* Command for Rolling Back a Releases |
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* |
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* @author Andrés Montañez <[email protected]> |
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*/ |
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class RollbackCommand extends DeployCommand |
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{ |
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/** |
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* @var int |
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*/ |
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protected $statusCode = 0; |
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/** |
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* Configure the Command |
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*/ |
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protected function configure() |
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{ |
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$this |
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->setName('releases:rollback') |
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->setDescription('Rollback to a release on an environment') |
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->addArgument('environment', InputArgument::REQUIRED, 'Name of the environment to deploy to') |
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->addArgument('release', InputArgument::REQUIRED, 'The ID or the Index of the release to rollback to') |
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; |
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} |
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/** |
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* Execute the Command |
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* |
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* @param InputInterface $input |
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* @param OutputInterface $output |
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* @return int|mixed |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$this->requireConfig(); |
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$output->writeln('Starting <fg=blue>Magallanes</>'); |
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$output->writeln(''); |
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try { |
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$this->runtime->setEnvironment($input->getArgument('environment')); |
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$strategy = $this->runtime->guessStrategy(); |
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$this->taskFactory = new TaskFactory($this->runtime); |
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if (!$this->runtime->getEnvOption('releases', false)) { |
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throw new RuntimeException('Releases are not enabled', 70); |
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} |
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$releaseToRollback = $input->getArgument('release'); |
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if (($releaseId = $this->checkReleaseAvailability($releaseToRollback)) === false) { |
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throw new RuntimeException(sprintf('Release "%s" is not available on all hosts', $releaseToRollback), 72); |
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} |
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$this->runtime->setReleaseId($releaseId)->setRollback(true); |
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$output->writeln(sprintf(' Environment: <fg=green>%s</>', $this->runtime->getEnvironment())); |
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$this->log(sprintf('Environment: %s', $this->runtime->getEnvironment())); |
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$output->writeln(sprintf(' Rollback to Release Id: <fg=green>%s</>', $this->runtime->getReleaseId())); |
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$this->log(sprintf('Release ID: %s', $this->runtime->getReleaseId())); |
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View Code Duplication |
if ($this->runtime->getConfigOption('log_file', false)) { |
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$output->writeln(sprintf(' Logfile: <fg=green>%s</>', $this->runtime->getConfigOption('log_file'))); |
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} |
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$output->writeln(sprintf(' Strategy: <fg=green>%s</>', $strategy->getName())); |
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$output->writeln(''); |
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$this->runDeployment($output, $strategy); |
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} catch (RuntimeException $exception) { |
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$output->writeln(sprintf('<error>%s</error>', $exception->getMessage())); |
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$this->statusCode = $exception->getCode(); |
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} |
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$output->writeln('Finished <fg=blue>Magallanes</>'); |
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return $this->statusCode; |
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} |
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/** |
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* Check if the provided Release ID is available in all hosts |
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* |
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* @param string $releaseToRollback Release ID |
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* @return bool |
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*/ |
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protected function checkReleaseAvailability($releaseToRollback) |
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{ |
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$hosts = $this->runtime->getEnvOption('hosts'); |
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$hostPath = rtrim($this->runtime->getEnvOption('host_path'), '/'); |
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$availableInHosts = 0; |
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foreach ($hosts as $host) { |
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$releases = []; |
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$this->runtime->setWorkingHost($host); |
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// Get List of Releases |
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$cmdListReleases = sprintf('ls -1 %s/releases', $hostPath); |
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/** @var Process $process */ |
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$process = $this->runtime->runRemoteCommand($cmdListReleases, false); |
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if ($process->isSuccessful()) { |
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$releases = explode(PHP_EOL, trim($process->getOutput())); |
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rsort($releases); |
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} |
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if (in_array($releaseToRollback, $releases)) { |
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$availableInHosts++; |
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} |
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$this->runtime->setWorkingHost(null); |
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} |
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if ($availableInHosts === count($hosts)) { |
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return $releaseToRollback; |
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} |
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return false; |
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} |
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} |
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andres-montanez /
Magallanes
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This check looks at variables that are passed out again to other methods.
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