protected function allServers(Environment $environment, InputInterface $input, OutputInterface $output, \Closure $action)
{
//Loop on the servers
/**
* @var \Onigoetz\Deployer\Configuration\Server
*/
foreach ($environment->getServers() as $server) {
$output->writeln("Deploying on <info>{$server->getHost()}</info>");
$output->writeln('-------------------------------------------------');
//Ask server password if needed ?
if (!($password = $server->getPassword())) {
$text = "Password for <info>{$server->getUsername()}@{$server->getHost()}</info>:";
$question = new Question($text, false);
$question->setHidden(true)->setHiddenFallback(false);
$password = $this->getHelper('question')->ask($input, $output, $question);
}
//Login to server
$ssh = new Net_SFTP($server->getHost());
if (!$ssh->login($server->getUsername(), $password)) {
throw new \Exception("Login failed on host '{$server->getHost()}'");
}
$action($ssh);
$ssh->disconnect();
}
}
protected function rollback(OutputInterface $output, Net_SFTP $ssh, Environment $environment)
{
$runner = new RemoteActionRunner($output, $ssh);
$previous = trim($ssh->exec('cat ' . $environment->getDirectories()->getRoot() . '/previous'));
if ($previous == '') {
$output->writeln('<error>Cannot find previous file !!!</error>');
return;
}
$actions = ['Removing the symlink of the release to rollback' => ['action' => 'rmfile', 'file' => $environment->getDirectories()->getDeploy()], 'Link it again to the snapshot ' . $previous => ['action' => 'symlink', 'target' => $previous, 'link_name' => $environment->getDirectories()->getDeploy()]];
$output->writeln('Previous snapshot : ' . $previous);
$output->writeln("Reverting...\n", 'blue');
$this->runActions($runner, $actions, $output, $environment->getSubstitutions($previous));
$output->writeln("Done\n");
}
protected function deploy(InputInterface $input, OutputInterface $output, Net_SFTP $ssh, Environment $environment, $destination)
{
$destinationDir = dirname($destination);
$runner = new RemoteActionRunner($output, $ssh);
$this->runAction('Create folders on server', $output, function () use($runner, $destinationDir) {
$runner->setupServer($destinationDir);
});
if ($environment->getSource() instanceof Cloned) {
$class = 'Onigoetz\\Deployer\\SCM\\' . ucfirst($environment->getSource()->getType());
if (!class_exists($class)) {
throw new \Exception("Cannot find SCM '{$class}'");
}
/**
* @var \Onigoetz\Deployer\SCM\SCM
*/
$scm = new $class($environment);
$final = $environment->getSource()->getFinalUrl($this->getHelper('question'), $input, $output);
$this->runAction('Clone the latest version', $output, function () use($scm, $ssh, $runner, $final, $destination) {
$git = $scm->getCommand($ssh);
return $runner->exec($scm->cloneCommand($git, $final, $destination));
});
}
$substitutions = $environment->getSubstitutions($destination);
$output->writeln('<fg=blue;options=bold>Before deployment actions</fg=blue;options=bold>');
$this->runActions($runner, $environment->getTasks('before'), $output, $substitutions);
$output->writeln('<fg=blue;options=bold>Deployment</fg=blue;options=bold>');
$this->runAction('Store the current deployment for eventual rollback', $output, function () use($runner, $environment, $ssh) {
$previous = $runner->getSymlinkDestination($environment->getDirectories()->getDeploy());
$ssh->put($environment->getDirectories()->getRoot() . '/previous', $previous);
return "Previous snapshot : {$previous}";
});
$this->runAction('Symlink the new deployment', $output, function () use($environment, $runner, $destination) {
$deploy = $environment->getDirectories()->getDeploy();
$runner->rmfile($deploy);
$runner->symlink($destination, $deploy);
});
$output->writeln('');
$output->writeln('<fg=blue;options=bold>After deployment actions</fg=blue;options=bold>');
$this->runActions($runner, $environment->getTasks('after'), $output, $substitutions);
$output->writeln('Done');
}
