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<?php |
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namespace Liip\MonitorBundle\Command; |
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use Liip\MonitorBundle\Helper\ConsoleReporter; |
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use Liip\MonitorBundle\Helper\RawConsoleReporter; |
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use Liip\MonitorBundle\Helper\RunnerManager; |
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use Symfony\Component\Console\Command\Command; |
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use Symfony\Component\Console\Input\InputArgument; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Input\InputOption; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class HealthCheckCommand extends Command |
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{ |
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private $rawReporter; |
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private $reporter; |
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private $runnerManager; |
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public function __construct(ConsoleReporter $reporter, RawConsoleReporter $rawReporter, RunnerManager $runnerManager, $name = null) |
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{ |
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$this->rawReporter = $rawReporter; |
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$this->reporter = $reporter; |
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$this->runnerManager = $runnerManager; |
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parent::__construct($name); |
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} |
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protected function configure() |
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{ |
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$this |
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->setName('monitor:health') |
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->setDescription('Runs Health Checks') |
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->addArgument( |
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'checkName', |
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InputArgument::OPTIONAL, |
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'The name of the service to be used to perform the health check.' |
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) |
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->addOption( |
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'reporter', |
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null, |
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InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, |
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'Additional reporters to run.' |
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) |
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->addOption('nagios', null, InputOption::VALUE_NONE, 'Suitable for using as a nagios NRPE command.') |
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->addOption( |
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'group', |
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'g', |
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InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, |
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'Run Health Checks for given group' |
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) |
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->addOption('all', 'a', InputOption::VALUE_NONE, 'Run Health Checks of all groups') |
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; |
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} |
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/** |
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* @return int |
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*/ |
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protected function execute(InputInterface $input, OutputInterface $output) |
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{ |
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$failureCount = 0; |
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$groups = $input->getOption('group') ?: [null]; |
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$allGroups = $input->getOption('all'); |
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$checkName = $input->getArgument('checkName'); |
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$nagios = $input->getOption('nagios'); |
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$additionalReporters = $input->getOption('reporter'); |
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if ($nagios) { |
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$reporter = $this->rawReporter; |
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} else { |
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$reporter = $this->reporter; |
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} |
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$reporter->setOutput($output); |
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if ($allGroups) { |
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$groups = $this->runnerManager->getGroups(); |
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} |
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foreach ($groups as $group) { |
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if (count($groups) > 1 || $allGroups) { |
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$output->writeln(sprintf('<fg=yellow;options=bold>%s</>', $group)); |
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} |
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$runner = $this->runnerManager->getRunner($group); |
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if (null === $runner) { |
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$output->writeln('<error>No such group.</error>'); |
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return 1; |
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} |
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$runner->addReporter($reporter); |
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$runner->useAdditionalReporters($additionalReporters); |
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if (0 === count($runner->getChecks())) { |
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$output->writeln('<error>No checks configured.</error>'); |
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} |
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$results = $runner->run($checkName); |
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if ($nagios) { |
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if ($results->getUnknownCount()) { |
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return 3; |
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} |
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if ($results->getFailureCount()) { |
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return 2; |
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} |
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if ($results->getWarningCount()) { |
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return 1; |
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} |
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} |
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$failureCount += $results->getFailureCount(); |
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} |
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return $failureCount > 0 ? 1 : 0; |
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} |
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} |
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There are different options of fixing this problem.
If you want to be on the safe side, you can add an additional type-check:
If you are sure that the expression is traversable, you might want to add a doc comment cast to improve IDE auto-completion and static analysis:
Mark the issue as a false-positive: Just hover the remove button, in the top-right corner of this issue for more options.