public function observeStackActivity($pollInterval = 20)
{
$eventTable = new StackEventsTable($this->output);
$lastStatus = Poller::poll(function () use($eventTable) {
try {
try {
$this->stack = $this->stackFactory->getStack($this->stack->getName(), true);
// load fresh instance for updated status
$this->output->writeln("-> Polling... (Stack Status: {$this->stack->getStatus()})");
$eventTable->renderEvents($this->stack->getEvents());
} catch (CloudFormationException $exception) {
throw Exception::refineException($exception);
}
} catch (StackNotFoundException $exception) {
$this->output->writeln("-> Stack gone.");
return Stack::STATUS_STACK_GONE;
// this is != false and will stop the poller
}
return $this->stack->isInProgress() ? false : $this->stack->getStatus();
}, $pollInterval, 1000);
$this->printStatus($lastStatus);
$this->printResources();
$this->printOutputs();
return $lastStatus;
}
public function run(InputInterface $input, OutputInterface $output)
{
try {
try {
return parent::run($input, $output);
} catch (CloudFormationException $exception) {
throw Exception::refineException($exception);
}
} catch (StackNoUpdatesToBePerformedException $e) {
$output->writeln('No updates are to be performed.');
return 0;
// exit code
}
}
/**
* @return \Aws\Result
* @throws \Exception
*/
public function getChangeSet()
{
$arguments = $this->prepareArguments();
try {
$this->executeBeforeScript();
if (isset($arguments['StackPolicyBody'])) {
unset($arguments['StackPolicyBody']);
}
$arguments['ChangeSetName'] = 'stackformation' . time();
$res = $this->getCfnClient()->createChangeSet($arguments);
$changeSetId = $res->get('Id');
$result = Poller::poll(function () use($changeSetId) {
$result = $this->getCfnClient()->describeChangeSet(['ChangeSetName' => $changeSetId]);
if ($this->output && !$this->output->isQuiet()) {
$this->output->writeln("Status: {$result['Status']}");
}
if ($result['Status'] == 'FAILED') {
throw new \Exception($result['StatusReason']);
}
return $result['Status'] != 'CREATE_COMPLETE' ? false : $result;
});
} catch (CloudFormationException $e) {
throw Exception::refineException($e);
// will try to create a StackNotFoundException
}
return $result;
}
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!
}
}
}