magallanes/src/Command/BuiltIn/Releases/RollbackCommand.php

132 lines
4.4 KiB
PHP

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