public function compare()
{
if (empty($this->stack)) {
throw new \InvalidArgumentException('Stack not set');
}
if (empty($this->blueprint)) {
throw new \InvalidArgumentException('Blueprint not set');
}
$tmp = [];
try {
// parameters
if ($this->output->isVerbose()) {
$this->output->writeln($this->stack->getName() . ': Comparing parameters');
}
$parametersStack = $this->stack->getParameters();
$parametersBlueprint = $this->blueprint->getParameters(true);
$parametersBlueprint = Div::flatten($parametersBlueprint, 'ParameterKey', 'ParameterValue');
if ($this->parametersAreEqual($parametersStack, $parametersBlueprint)) {
$tmp['parameters'] = "<fg=green>equal</>";
} else {
$tmp['parameters'] = "<fg=red>different</>";
$tmp['error'] = true;
}
// template
if ($this->output->isVerbose()) {
$this->output->writeln($this->stack->getName() . ': Comparing template');
}
$templateStack = trim($this->stack->getTemplate());
$templateBlueprint = trim($this->blueprint->getPreprocessedTemplate());
$templateStack = $this->normalizeJson($templateStack);
$templateBlueprint = $this->normalizeJson($templateBlueprint);
if ($templateStack === $templateBlueprint) {
$tmp['template'] = "<fg=green>equal</>";
} else {
$tmp['template'] = "<fg=red>different</>";
$tmp['error'] = true;
}
} catch (CloudFormationException $e) {
$tmp['parameters'] = 'Stack not found';
$tmp['template'] = 'Stack not found';
$tmp['error'] = true;
} catch (\Exception $e) {
$tmp['parameters'] = '<fg=red>EXCEPTION: ' . $e->getMessage() . '</>';
$tmp['template'] = 'EXCEPTION';
$tmp['error'] = true;
}
return $tmp;
}
