Method Run

lib/cli/daemoncommand.cpp:623–890

* The entry point for the "daemon" CLI command. * * @returns An exit status. */

 * @returns An exit status.
 */
int DaemonCommand::Run(const po::variables_map& vm, [[maybe_unused]] const std::vector<std::string>& ap) const
{
#ifdef _WIN32
	SetConsoleOutputCP(65001);
#endif /* _WIN32 */

	Logger::EnableTimestamp();

	Log(LogInformation, "cli")
		<< "Icinga application loader (version: " << Application::GetAppVersion()
#ifdef I2_DEBUG
		<< "; debug"
#endif /* I2_DEBUG */
		<< ")";

	std::vector<std::string> configs;
	if (vm.count("config") > 0)
		configs = vm["config"].as<std::vector<std::string> >();
	else if (!vm.count("no-config")) {
		/* The implicit string assignment is needed for Windows builds. */
		String configDir = Configuration::ConfigDir;
		configs.push_back(configDir + "/icinga2.conf");
	}

	if (vm.count("dump-objects")) {
		if (!vm.count("validate")) {
			Log(LogCritical, "cli", "--dump-objects is not allowed without -C");
			return EXIT_FAILURE;
		}

		l_ObjectsPath = Configuration::ObjectsPath;
	}

	if (vm.count("validate")) {
		Log(LogInformation, "cli", "Loading configuration file(s).");

		std::vector<ConfigItem::Ptr> newItems;

		if (!DaemonUtility::LoadConfigFiles(configs, newItems, l_ObjectsPath, Configuration::VarsPath)) {
			Log(LogCritical, "cli", "Config validation failed. Re-run with 'icinga2 daemon -C' after fixing the config.");
			return EXIT_FAILURE;
		}

		Log(LogInformation, "cli", "Finished validating the configuration file(s).");
		return EXIT_SUCCESS;
	}

	{
		pid_t runningpid = Application::ReadPidFile(Configuration::PidPath);
		if (runningpid > 0) {
			Log(LogCritical, "cli")
				<< "Another instance of Icinga already running with PID " << runningpid;
			return EXIT_FAILURE;
		}
	}

	if (vm.count("daemonize")) {
		// this subroutine either succeeds, or logs an error