src/StackFormation/Command/Blueprint/DeployCommand.php
<?php
namespace StackFormation\Command\Blueprint;
use Aws\CloudFormation\Exception\CloudFormationException;
use StackFormation\Blueprint;
use StackFormation\BlueprintAction;
use StackFormation\Exception\OperationAbortedException;
use StackFormation\Exception\StackCannotBeUpdatedException;
use StackFormation\Exception\StackNotFoundException;
use StackFormation\Exception\StackNoUpdatesToBePerformedException;
use StackFormation\Helper\ChangeSetTable;
use StackFormation\Helper\Exception;
use StackFormation\Observer;
use StackFormation\Stack;
use Symfony\Component\Console\Helper\QuestionHelper;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Question\ConfirmationQuestion;
class DeployCommand extends \StackFormation\Command\Blueprint\AbstractBlueprintCommand
{
protected function configure()
{
$this
->setName('blueprint:deploy')
->setAliases(['deploy'])
->setDescription('Deploy blueprint')
->addOption(
'no-observe',
's',
InputOption::VALUE_NONE,
'Don\'t observe stack after deploying'
)
->addOption(
'observe',
'o',
InputOption::VALUE_NONE,
'Deprecated. Deployments are being observed by default now'
)
->addOption(
'force',
'f',
InputOption::VALUE_NONE,
'Force update even if there are no changes'
)
->addOption(
'review-parameters',
'p',
InputOption::VALUE_NONE,
'Review parameters before deploying'
)
->addOption(
'review-changeset',
'c',
InputOption::VALUE_NONE,
'Review changeset before deploying'
)
->addOption(
'deleteOnTerminate',
null,
InputOption::VALUE_NONE,
'Delete current stack if StackFormation received SIGTERM (e.g. Jenkins job abort) or SIGINT (e.g. CTRL+C)'
)
->addOption(
'dryrun',
'd',
InputOption::VALUE_NONE,
'Dry run'
);
}
protected function executeWithBlueprint(Blueprint $blueprint, InputInterface $input, OutputInterface $output)
{
$dryRun = $input->getOption('dryrun');
if ($dryRun) {
$formatter = new \Symfony\Component\Console\Helper\FormatterHelper();
$formattedBlock = $formatter->formatBlock(['Dry Run!'], 'error', true);
$output->writeln("\n$formattedBlock\n");
}
if ($input->getOption('observe')) {
$output->writeln('-o/--observe is deprecated now. Deployments are being observed by default. Please remove this option.');
}
$stackName = $blueprint->getStackName();
$deleteOnTerminate = $input->getOption('deleteOnTerminate');
$noObserve = $input->getOption('no-observe');
if ($deleteOnTerminate && $noObserve) {
throw new \InvalidArgumentException('--deleteOnTerminate cannot be used with --no-observe');
}
$blueprint = $this->blueprintFactory->getBlueprint($input->getArgument('blueprint'));
$blueprintAction = new BlueprintAction($blueprint, $this->profileManager, $output);
$stackFactory = $this->profileManager->getStackFactory($blueprint->getProfile());
try {
try {
$output->writeln("\n\n== Parameters: ==");
$table = new Table($output);
$table->setHeaders(['Key', 'Value'])->setRows($blueprint->getParameters());
$table->render();
if ($input->getOption('review-parameters')) {
$questionHelper = $this->getHelper('question');
$question = new ConfirmationQuestion("Do you want to proceed? [y/N] ", false);
if (!$questionHelper->ask($input, $output, $question)) {
throw new OperationAbortedException('blueprint:deploy', 'review-parameters');
}
}
if ($input->getOption('review-changeset')) {
$output->writeln("\n\n== Change set: ==");
try {
$changeSetResult = $blueprintAction->getChangeSet();
$table = new ChangeSetTable($output);
$table->render($changeSetResult);
$questionHelper = $this->getHelper('question');
$question = new ConfirmationQuestion("Do you want to proceed? [y/N] ", false);
if (!$questionHelper->ask($input, $output, $question)) {
throw new OperationAbortedException('blueprint:deploy', 'review-changeset');
}
} catch (StackNotFoundException $e) {
$questionHelper = $this->getHelper('question');
$question = new ConfirmationQuestion("This stack does not exist yet. Do you want to proceed creating it? [y/N] ", false);
if (!$questionHelper->ask($input, $output, $question)) {
throw new OperationAbortedException('blueprint:deploy', 'Stack does not exist');
}
}
}
$blueprintAction = new BlueprintAction($blueprint, $this->profileManager, $output);
$blueprintAction->deploy($dryRun, $input->getOption('force'));
$output->writeln("Triggered deployment of stack '$stackName'.");
} catch (CloudFormationException $exception) {
throw Exception::refineException($exception);
}
} catch (StackNoUpdatesToBePerformedException $e) {
$output->writeln('No updates are to be performed.');
$blueprintAction->executeAfterScript(Stack::STATUS_NO_UPDATES_PERFORMED);
return 0; // exit code
} catch (StackCannotBeUpdatedException $e) {
$questionHelper = $this->getHelper('question'); /* @var $questionHelper QuestionHelper */
$stack = $stackFactory->getStack($stackName, true);
switch ($e->getState()) {
case 'CREATE_FAILED':
if ($questionHelper->ask($input, $output, new ConfirmationQuestion('Stack is in CREATE_FAILED state. Do you want to delete it first? [Y/n]'))) {
$output->writeln('Deleting failed stack ' . $stackName);
$stack->delete();
$observer = new Observer($stack, $stackFactory, $output);
if ($deleteOnTerminate) { $observer->deleteOnSignal(); }
$observer->observeStackActivity();
$output->writeln('Deletion completed. Now deploying stack: ' . $stackName);
$blueprintAction->deploy($dryRun);
}
break;
case 'DELETE_IN_PROGRESS':
if ($questionHelper->ask($input, $output, new ConfirmationQuestion('Stack is in DELETE_IN_PROGRESS state. Do you want to wait and deploy then? [Y/n]'))) {
$output->writeln('Waiting until deletion completes for ' . $stackName);
$observer = new Observer($stack, $stackFactory, $output);
if ($deleteOnTerminate) { $observer->deleteOnSignal(); }
$observer->observeStackActivity();
$output->writeln('Deletion completed. Now deploying stack: ' . $stackName);
$blueprintAction->deploy($dryRun);
}
break;
case 'UPDATE_IN_PROGRESS':
if ($questionHelper->ask($input, $output, new ConfirmationQuestion('Stack is in UPDATE_IN_PROGRESS state. Do you want to cancel the current update and deploy then? [Y/n]'))) {
$output->writeln('Cancelling update for ' . $stackName);
$stack->cancelUpdate();
$observer = new Observer($stack, $stackFactory, $output);
if ($deleteOnTerminate) { $observer->deleteOnSignal(); }
$observer->observeStackActivity();
$output->writeln('Cancellation completed. Now deploying stack: ' . $stackName);
$blueprintAction->deploy($dryRun);
}
break;
case 'UPDATE_ROLLBACK_FAILED':
if ($questionHelper->ask($input, $output, new ConfirmationQuestion('Stack is in UPDATE_ROLLBACK_FAILED state. Do you want to continue the update rollback and deploy then? [Y/n]'))) {
$output->writeln('Continuing update rollback for ' . $stackName);
$stack->continueUpdateRollback();
$observer = new Observer($stack, $stackFactory, $output);
if ($deleteOnTerminate) { $observer->deleteOnSignal(); }
$observer->observeStackActivity();
$output->writeln('Update rollback completed. Now deploying stack: ' . $stackName);
$blueprintAction->deploy($dryRun);
}
break;
default: throw $e;
}
}
if (!$dryRun) {
if ($noObserve) {
$output->writeln("\n-> Run this to observe the stack creation/update:");
$output->writeln("{$GLOBALS['argv'][0]} stack:observe $stackName\n");
} else {
$stack = $stackFactory->getStack($stackName, true);
$observer = new Observer($stack, $stackFactory, $output);
if ($deleteOnTerminate) { $observer->deleteOnSignal(); }
$status = $observer->observeStackActivity();
$blueprintAction->executeAfterScript($status);
return $observer->isSuccessfulStatus($status) ? 0 : 1; // exit codes!
}
}
}
}