示例#1
0
void PluginNotificationTask::ScriptFunc(const Notification::Ptr& notification, const User::Ptr& user, const CheckResult::Ptr& cr, int itype,
    const String& author, const String& comment)
{
	NotificationCommand::Ptr commandObj = notification->GetCommand();

	NotificationType type = static_cast<NotificationType>(itype);

	Checkable::Ptr checkable = notification->GetCheckable();

	Dictionary::Ptr notificationExtra = make_shared<Dictionary>();
	notificationExtra->Set("type", Notification::NotificationTypeToString(type));
	notificationExtra->Set("author", author);
	notificationExtra->Set("comment", comment);

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	resolvers.push_back(std::make_pair("user", user));
	resolvers.push_back(std::make_pair("notification", notificationExtra));
	resolvers.push_back(std::make_pair("notification", notification));
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("command", commandObj));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	PluginUtility::ExecuteCommand(commandObj, checkable, cr, resolvers, boost::bind(&PluginNotificationTask::ProcessFinishedHandler, checkable, _1, _2));
}
示例#2
0
void PluginCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
{
	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("command", commandObj));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	PluginUtility::ExecuteCommand(commandObj, checkable, checkable->GetLastCheckResult(), resolvers, boost::bind(&PluginCheckTask::ProcessFinishedHandler, checkable, cr, _1, _2));
}
示例#3
0
void PerfdataWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
{
	CONTEXT("Writing performance data for object '" + checkable->GetName() + "'");

	if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
		return;

	Service::Ptr service = dynamic_pointer_cast<Service>(checkable);
	Host::Ptr host;

	if (service)
		host = service->GetHost();
	else
		host = static_pointer_cast<Host>(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	if (service) {
		String line = MacroProcessor::ResolveMacros(GetServiceFormatTemplate(), resolvers, cr, NULL, &PerfdataWriter::EscapeMacroMetric);

		{
			ObjectLock olock(this);
			if (!m_ServiceOutputFile.good())
				return;

			m_ServiceOutputFile << line << "\n";
		}
	} else {
		String line = MacroProcessor::ResolveMacros(GetHostFormatTemplate(), resolvers, cr, NULL, &PerfdataWriter::EscapeMacroMetric);

		{
			ObjectLock olock(this);
			if (!m_HostOutputFile.good())
				return;

			m_HostOutputFile << line << "\n";
		}
	}
}
示例#4
0
void DummyCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
	const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
	REQUIRE_NOT_NULL(checkable);
	REQUIRE_NOT_NULL(cr);

	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.emplace_back("service", service);
	resolvers.emplace_back("host", host);
	resolvers.emplace_back("command", commandObj);
	resolvers.emplace_back("icinga", IcingaApplication::GetInstance());

	int dummyState = MacroProcessor::ResolveMacros("$dummy_state$", resolvers, checkable->GetLastCheckResult(),
		nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	String dummyText = MacroProcessor::ResolveMacros("$dummy_text$", resolvers, checkable->GetLastCheckResult(),
		nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	if (resolvedMacros && !useResolvedMacros)
		return;

	/* Parse output and performance data. */
	std::pair<String, String> co = PluginUtility::ParseCheckOutput(dummyText);

	double now = Utility::GetTime();

	cr->SetOutput(co.first);
	cr->SetPerformanceData(PluginUtility::SplitPerfdata(co.second));
	cr->SetState(PluginUtility::ExitStatusToState(dummyState));
	cr->SetExitStatus(dummyState);
	cr->SetExecutionStart(now);
	cr->SetExecutionEnd(now);

	checkable->ProcessCheckResult(cr);
}
示例#5
0
void InfluxdbWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
{
	CONTEXT("Processing check result for '" + checkable->GetName() + "'");

	if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
		return;

	Host::Ptr host;
	Service::Ptr service;
	boost::tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	String prefix;

	double ts = cr->GetExecutionEnd();

	// Clone the template and perform an in-place macro expansion of measurement and tag values
	Dictionary::Ptr tmpl_clean = service ? GetServiceTemplate() : GetHostTemplate();
	Dictionary::Ptr tmpl = static_pointer_cast<Dictionary>(tmpl_clean->Clone());
	tmpl->Set("measurement", MacroProcessor::ResolveMacros(tmpl->Get("measurement"), resolvers, cr));

	Dictionary::Ptr tags = tmpl->Get("tags");
	if (tags) {
		ObjectLock olock(tags);
		for (const Dictionary::Pair& pair : tags) {
			// Prevent missing macros from warning; will return an empty value
			// which will be filtered out in SendMetric()
			String missing_macro;
			tags->Set(pair.first,  MacroProcessor::ResolveMacros(pair.second, resolvers, cr, &missing_macro));
		}
	}

	SendPerfdata(tmpl, checkable, cr, ts);
}
void PluginNotificationTask::ScriptFunc(const Notification::Ptr& notification,
	const User::Ptr& user, const CheckResult::Ptr& cr, int itype,
	const String& author, const String& comment, const Dictionary::Ptr& resolvedMacros,
	bool useResolvedMacros)
{
	REQUIRE_NOT_NULL(notification);
	REQUIRE_NOT_NULL(user);

	NotificationCommand::Ptr commandObj = notification->GetCommand();

	auto type = static_cast<NotificationType>(itype);

	Checkable::Ptr checkable = notification->GetCheckable();

	Dictionary::Ptr notificationExtra = new Dictionary({
		{ "type", Notification::NotificationTypeToString(type) },
		{ "author", author },
		{ "comment", comment }
	});

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	resolvers.emplace_back("user", user);
	resolvers.emplace_back("notification", notificationExtra);
	resolvers.emplace_back("notification", notification);
	if (service)
		resolvers.emplace_back("service", service);
	resolvers.emplace_back("host", host);
	resolvers.emplace_back("command", commandObj);
	resolvers.emplace_back("icinga", IcingaApplication::GetInstance());

	int timeout = commandObj->GetTimeout();

	PluginUtility::ExecuteCommand(commandObj, checkable, cr, resolvers,
		resolvedMacros, useResolvedMacros, timeout,
		std::bind(&PluginNotificationTask::ProcessFinishedHandler, checkable, _1, _2));
}
示例#7
0
void IdoCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
    const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
	Value raw_command = commandObj->GetCommandLine();

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("command", commandObj));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	String idoType = MacroProcessor::ResolveMacros("$ido_type$", resolvers, checkable->GetLastCheckResult(),
	    NULL, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	if (resolvedMacros && !useResolvedMacros)
		return;

	if (idoType.IsEmpty()) {
		cr->SetOutput("Macro 'ido_type' must be set.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	String idoName = MacroProcessor::ResolveMacros("$ido_name$", resolvers, checkable->GetLastCheckResult(),
	    NULL, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	if (resolvedMacros && !useResolvedMacros)
		return;

	if (idoName.IsEmpty()) {
		cr->SetOutput("Macro 'ido_name' must be set.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	Type::Ptr type = Type::GetByName(idoType);

	if (!type || !DbConnection::TypeInstance->IsAssignableFrom(type)) {
		cr->SetOutput("IDO type '" + idoType + "' is invalid.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	ConfigType::Ptr dtype = ConfigType::GetByName(idoType);
	VERIFY(dtype);

	DbConnection::Ptr conn = static_pointer_cast<DbConnection>(dtype->GetObject(idoName));

	double qps = conn->GetQueryCount(60) / 60.0;

	if (!conn->GetConnected()) {
		if (conn->GetShouldConnect()) {
			cr->SetOutput("Could not connect to the database server.");
			cr->SetState(ServiceCritical);
		} else {
			cr->SetOutput("Not currently enabled: Another cluster instance is responsible for the IDO database.");
			cr->SetState(ServiceOK);
		}
	} else {
		String schema_version = conn->GetSchemaVersion();

		if (Utility::CompareVersion(IDO_CURRENT_SCHEMA_VERSION, schema_version) < 0) {
			cr->SetOutput("Outdated schema version: " + schema_version + "; Latest version: "  IDO_CURRENT_SCHEMA_VERSION);
			cr->SetState(ServiceWarning);
		} else {
			std::ostringstream msgbuf;
			msgbuf << "Connected to the database server; queries per second: "  << std::fixed << std::setprecision(3) << qps;
			cr->SetOutput(msgbuf.str());
			cr->SetState(ServiceOK);
		}
	}

	Array::Ptr perfdata = new Array();
	perfdata->Add(new PerfdataValue("queries", qps));
	perfdata->Add(new PerfdataValue("queries_1min", conn->GetQueryCount(60)));
	perfdata->Add(new PerfdataValue("queries_5mins", conn->GetQueryCount(5 * 60)));
	perfdata->Add(new PerfdataValue("queries_15mins", conn->GetQueryCount(15 * 60)));
	perfdata->Add(new PerfdataValue("pending_queries", conn->GetPendingQueryCount()));
	cr->SetPerformanceData(perfdata);

	checkable->ProcessCheckResult(cr);
}
示例#8
0
void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
	const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
	REQUIRE_NOT_NULL(checkable);
	REQUIRE_NOT_NULL(cr);

	ApiListener::Ptr listener = ApiListener::GetInstance();

	if (!listener) {
		cr->SetOutput("No API listener is configured for this instance.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
	Value raw_command = commandObj->GetCommandLine();

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.emplace_back("service", service);
	resolvers.emplace_back("host", host);
	resolvers.emplace_back("command", commandObj);
	resolvers.emplace_back("icinga", IcingaApplication::GetInstance());

	String zoneName = MacroProcessor::ResolveMacros("$cluster_zone$", resolvers, checkable->GetLastCheckResult(),
		nullptr, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	String missingLagWarning;
	String missingLagCritical;

	double lagWarning = MacroProcessor::ResolveMacros("$cluster_lag_warning$", resolvers, checkable->GetLastCheckResult(),
		&missingLagWarning, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	double lagCritical = MacroProcessor::ResolveMacros("$cluster_lag_critical$", resolvers, checkable->GetLastCheckResult(),
		&missingLagCritical, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	if (resolvedMacros && !useResolvedMacros)
		return;

	if (zoneName.IsEmpty()) {
		cr->SetOutput("Macro 'cluster_zone' must be set.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	Zone::Ptr zone = Zone::GetByName(zoneName);

	if (!zone) {
		cr->SetOutput("Zone '" + zoneName + "' does not exist.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	bool connected = false;
	double zoneLag = 0;

	double lastMessageSent = 0;
	double lastMessageReceived = 0;
	double messagesSentPerSecond = 0;
	double messagesReceivedPerSecond = 0;
	double bytesSentPerSecond = 0;
	double bytesReceivedPerSecond = 0;

	for (const Endpoint::Ptr& endpoint : zone->GetEndpoints()) {
		if (endpoint->GetConnected())
			connected = true;

		double eplag = ApiListener::CalculateZoneLag(endpoint);

		if (eplag > 0 && eplag > zoneLag)
			zoneLag = eplag;

		if (endpoint->GetLastMessageSent() > lastMessageSent)
			lastMessageSent = endpoint->GetLastMessageSent();

		if (endpoint->GetLastMessageReceived() > lastMessageReceived)
			lastMessageReceived = endpoint->GetLastMessageReceived();

		messagesSentPerSecond += endpoint->GetMessagesSentPerSecond();
		messagesReceivedPerSecond += endpoint->GetMessagesReceivedPerSecond();
		bytesSentPerSecond += endpoint->GetBytesSentPerSecond();
		bytesReceivedPerSecond += endpoint->GetBytesReceivedPerSecond();
	}

	if (connected) {
		cr->SetState(ServiceOK);
		cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag));

		/* Check whether the thresholds have been resolved and compare them */
		if (missingLagCritical.IsEmpty() && zoneLag > lagCritical) {
			cr->SetState(ServiceCritical);
			cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag)
				+ " greater than critical threshold: " + Utility::FormatDuration(lagCritical));
		} else if (missingLagWarning.IsEmpty() && zoneLag > lagWarning) {
			cr->SetState(ServiceWarning);
			cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag)
				+ " greater than warning threshold: " + Utility::FormatDuration(lagWarning));
		}
	} else {
		cr->SetState(ServiceCritical);
		cr->SetOutput("Zone '" + zoneName + "' is not connected. Log lag: " + Utility::FormatDuration(zoneLag));
	}

	cr->SetPerformanceData(new Array({
		new PerfdataValue("slave_lag", zoneLag, false, "s", lagWarning, lagCritical),
		new PerfdataValue("last_messages_sent", lastMessageSent),
		new PerfdataValue("last_messages_received", lastMessageReceived),
		new PerfdataValue("sum_messages_sent_per_second", messagesSentPerSecond),
		new PerfdataValue("sum_messages_received_per_second", messagesReceivedPerSecond),
		new PerfdataValue("sum_bytes_sent_per_second", bytesSentPerSecond),
		new PerfdataValue("sum_bytes_received_per_second", bytesReceivedPerSecond)
	}));

	checkable->ProcessCheckResult(cr);
}
示例#9
0
void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
    const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
	ApiListener::Ptr listener = ApiListener::GetInstance();

	if (!listener) {
		cr->SetOutput("No API listener is configured for this instance.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
	Value raw_command = commandObj->GetCommandLine();

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("command", commandObj));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	String zoneName = MacroProcessor::ResolveMacros("$cluster_zone$", resolvers, checkable->GetLastCheckResult(),
	    NULL, MacroProcessor::EscapeCallback(), resolvedMacros, useResolvedMacros);

	if (resolvedMacros && !useResolvedMacros)
		return;

	if (zoneName.IsEmpty()) {
		cr->SetOutput("Macro 'cluster_zone' must be set.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	Zone::Ptr zone = Zone::GetByName(zoneName);

	if (!zone) {
		cr->SetOutput("Zone '" + zoneName + "' does not exist.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	bool connected = false;
	double zoneLag = 0;

	BOOST_FOREACH(const Endpoint::Ptr& endpoint, zone->GetEndpoints()) {
		if (endpoint->GetConnected())
			connected = true;

		double eplag = ApiListener::CalculateZoneLag(endpoint);

		if (eplag > 0 && eplag > zoneLag)
			zoneLag = eplag;
	}

	if (!connected) {
		cr->SetState(ServiceCritical);
		cr->SetOutput("Zone '" + zoneName + "' is not connected. Log lag: " + Utility::FormatDuration(zoneLag));
	} else {
		cr->SetState(ServiceOK);
		cr->SetOutput("Zone '" + zoneName + "' is connected. Log lag: " + Utility::FormatDuration(zoneLag));
	}

	Array::Ptr perfdata = new Array();
	perfdata->Add(new PerfdataValue("slave_lag", zoneLag));
	cr->SetPerformanceData(perfdata);

	checkable->ProcessCheckResult(cr);
}
示例#10
0
void InfluxdbWriter::CheckResultHandlerWQ(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
{
	AssertOnWorkQueue();

	CONTEXT("Processing check result for '" + checkable->GetName() + "'");

	if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
		return;

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.emplace_back("service", service);
	resolvers.emplace_back("host", host);
	resolvers.emplace_back("icinga", IcingaApplication::GetInstance());

	String prefix;

	double ts = cr->GetExecutionEnd();

	// Clone the template and perform an in-place macro expansion of measurement and tag values
	Dictionary::Ptr tmpl_clean = service ? GetServiceTemplate() : GetHostTemplate();
	Dictionary::Ptr tmpl = static_pointer_cast<Dictionary>(tmpl_clean->Clone());
	tmpl->Set("measurement", MacroProcessor::ResolveMacros(tmpl->Get("measurement"), resolvers, cr));

	Dictionary::Ptr tags = tmpl->Get("tags");
	if (tags) {
		ObjectLock olock(tags);
		for (const Dictionary::Pair& pair : tags) {
			String missing_macro;
			Value value = MacroProcessor::ResolveMacros(pair.second, resolvers, cr, &missing_macro);

			if (!missing_macro.IsEmpty())
				continue;

			tags->Set(pair.first, value);
		}
	}

	Array::Ptr perfdata = cr->GetPerformanceData();
	if (perfdata) {
		ObjectLock olock(perfdata);
		for (const Value& val : perfdata) {
			PerfdataValue::Ptr pdv;

			if (val.IsObjectType<PerfdataValue>())
				pdv = val;
			else {
				try {
					pdv = PerfdataValue::Parse(val);
				} catch (const std::exception&) {
					Log(LogWarning, "InfluxdbWriter")
						<< "Ignoring invalid perfdata value: " << val;
					continue;
				}
			}

			Dictionary::Ptr fields = new Dictionary();
			fields->Set("value", pdv->GetValue());

			if (GetEnableSendThresholds()) {
				if (pdv->GetCrit())
					fields->Set("crit", pdv->GetCrit());
				if (pdv->GetWarn())
					fields->Set("warn", pdv->GetWarn());
				if (pdv->GetMin())
					fields->Set("min", pdv->GetMin());
				if (pdv->GetMax())
					fields->Set("max", pdv->GetMax());
			}
			if (!pdv->GetUnit().IsEmpty()) {
				fields->Set("unit", pdv->GetUnit());
			}

			SendMetric(tmpl, pdv->GetLabel(), fields, ts);
		}
	}

	if (GetEnableSendMetadata()) {
		Host::Ptr host;
		Service::Ptr service;
		tie(host, service) = GetHostService(checkable);

		Dictionary::Ptr fields = new Dictionary();

		if (service)
			fields->Set("state", new InfluxdbInteger(service->GetState()));
		else
			fields->Set("state", new InfluxdbInteger(host->GetState()));

		fields->Set("current_attempt", new InfluxdbInteger(checkable->GetCheckAttempt()));
		fields->Set("max_check_attempts", new InfluxdbInteger(checkable->GetMaxCheckAttempts()));
		fields->Set("state_type", new InfluxdbInteger(checkable->GetStateType()));
		fields->Set("reachable", checkable->IsReachable());
		fields->Set("downtime_depth", new InfluxdbInteger(checkable->GetDowntimeDepth()));
		fields->Set("acknowledgement", new InfluxdbInteger(checkable->GetAcknowledgement()));
		fields->Set("latency", cr->CalculateLatency());
		fields->Set("execution_time", cr->CalculateExecutionTime());

		SendMetric(tmpl, Empty, fields, ts);
	}
}
示例#11
0
void ClusterZoneCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr,
    const Dictionary::Ptr& resolvedMacros, bool useResolvedMacros)
{
	ApiListener::Ptr listener = ApiListener::GetInstance();

	if (!listener) {
		cr->SetOutput("No API listener is configured for this instance.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
	Value raw_command = commandObj->GetCommandLine();

	Host::Ptr host;
	Service::Ptr service;
	tie(host, service) = GetHostService(checkable);

	MacroProcessor::ResolverList resolvers;
	if (service)
		resolvers.push_back(std::make_pair("service", service));
	resolvers.push_back(std::make_pair("host", host));
	resolvers.push_back(std::make_pair("command", commandObj));
	resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance()));

	String zoneName = MacroProcessor::ResolveMacros("$cluster_zone$", resolvers, checkable->GetLastCheckResult());

	if (zoneName.IsEmpty()) {
		cr->SetOutput("Macro 'cluster_zone' must be set.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	Zone::Ptr zone = Zone::GetByName(zoneName);

	if (!zone) {
		cr->SetOutput("Zone '" + zoneName + "' does not exist.");
		cr->SetState(ServiceUnknown);
		checkable->ProcessCheckResult(cr);
		return;
	}

	bool connected = false;

	BOOST_FOREACH(const Endpoint::Ptr& endpoint, zone->GetEndpoints()) {
		if (endpoint->IsConnected()) {
			connected = true;
			break;
		}
	}

	if (!connected) {
		cr->SetState(ServiceCritical);
		cr->SetOutput("Zone '" + zoneName + "' is not connected.");
	} else {
		cr->SetState(ServiceOK);
		cr->SetOutput("Zone '" + zoneName + "' is connected.");
	}

	checkable->ProcessCheckResult(cr);
}