protected function executeWithStack(Stack $stack, InputInterface $input, OutputInterface $output)
 {
     $observer = new Observer($stack, $this->getStackFactory(), $output);
     if ($input->getOption('deleteOnTerminate')) {
         $observer->deleteOnSignal();
     }
     return $observer->observeStackActivity();
 }
 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!
         }
     }
 }