Merge pull request #10420 from Icinga/bundled-perfdata-writers-fix

Serialize fields before queueing them to the workqueue
2025-07-23 05:34:48 +02:00 · 2025-06-17 10:17:27 +02:00 · 2025-06-17 10:17:27 +02:00 · 1aa62d4bb9
commit 1aa62d4bb9
parent 3c9b4693a9 cef6fb77e5
8 changed files with 204 additions and 317 deletions
--- a/lib/perfdata/elasticsearchwriter.cpp
+++ b/lib/perfdata/elasticsearchwriter.cpp
@ -101,13 +101,13 @@ void ElasticsearchWriter::Resume()
 		CheckResultHandler(checkable, cr);
 	});
 	m_HandleStateChanges = Checkable::OnStateChange.connect([this](const Checkable::Ptr& checkable,
-		const CheckResult::Ptr& cr, StateType type, const MessageOrigin::Ptr&) {
-		StateChangeHandler(checkable, cr, type);
+		const CheckResult::Ptr& cr, StateType, const MessageOrigin::Ptr&) {
+		StateChangeHandler(checkable, cr);
 	});
-	m_HandleNotifications = Checkable::OnNotificationSentToAllUsers.connect([this](const Notification::Ptr& notification,
+	m_HandleNotifications = Checkable::OnNotificationSentToAllUsers.connect([this](const Notification::Ptr&,
 		const Checkable::Ptr& checkable, const std::set<User::Ptr>& users, const NotificationType& type,
 		const CheckResult::Ptr& cr, const String& author, const String& text, const MessageOrigin::Ptr&) {
-		NotificationSentToAllUsersHandler(notification, checkable, users, type, cr, author, text);
+		NotificationSentToAllUsersHandler(checkable, users, type, cr, author, text);
 	});
 }

@ -236,15 +236,6 @@ void ElasticsearchWriter::CheckResultHandler(const Checkable::Ptr& checkable, co
 	if (IsPaused())
 		return;

-	m_WorkQueue.Enqueue([this, checkable, cr]() { InternalCheckResultHandler(checkable, cr); });
-}
-
-void ElasticsearchWriter::InternalCheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
-{
-	AssertOnWorkQueue();
-
-	CONTEXT("Elasticwriter processing check result for '" << checkable->GetName() << "'");
-
 	if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
 		return;

@ -272,38 +263,24 @@ void ElasticsearchWriter::InternalCheckResultHandler(const Checkable::Ptr& check
 	fields->Set("max_check_attempts", checkable->GetMaxCheckAttempts());

 	fields->Set("reachable", checkable->IsReachable());
-
-	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
-
-	if (commandObj)
-		fields->Set("check_command", commandObj->GetName());
-
-	double ts = Utility::GetTime();
-
-	if (cr) {
-		AddCheckResult(fields, checkable, cr);
-		ts = cr->GetExecutionEnd();
-	}
+	fields->Set("check_command", checkable->GetCheckCommand()->GetName());

 	AddTemplateTags(fields, checkable, cr);

-	Enqueue(checkable, "checkresult", fields, ts);
+	m_WorkQueue.Enqueue([this, checkable, cr, fields = std::move(fields)]() {
+		CONTEXT("Elasticwriter processing check result for '" << checkable->GetName() << "'");
+
+		AddCheckResult(fields, checkable, cr);
+
+		Enqueue(checkable, "checkresult", fields, cr->GetExecutionEnd());
+	});
 }

-void ElasticsearchWriter::StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type)
+void ElasticsearchWriter::StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
 {
 	if (IsPaused())
 		return;

-	m_WorkQueue.Enqueue([this, checkable, cr, type]() { StateChangeHandlerInternal(checkable, cr, type); });
-}
-
-void ElasticsearchWriter::StateChangeHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type)
-{
-	AssertOnWorkQueue();
-
-	CONTEXT("Elasticwriter processing state change '" << checkable->GetName() << "'");
-
 	Host::Ptr host;
 	Service::Ptr service;
 	tie(host, service) = GetHostService(checkable);
@ -325,45 +302,24 @@ void ElasticsearchWriter::StateChangeHandlerInternal(const Checkable::Ptr& check
 		fields->Set("last_hard_state", host->GetLastHardState());
 	}

-	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
-
-	if (commandObj)
-		fields->Set("check_command", commandObj->GetName());
-
-	double ts = Utility::GetTime();
-
-	if (cr) {
-		AddCheckResult(fields, checkable, cr);
-		ts = cr->GetExecutionEnd();
-	}
+	fields->Set("check_command", checkable->GetCheckCommand()->GetName());

 	AddTemplateTags(fields, checkable, cr);

-	Enqueue(checkable, "statechange", fields, ts);
-}
+	m_WorkQueue.Enqueue([this, checkable, cr, fields = std::move(fields)]() {
+		CONTEXT("Elasticwriter processing state change '" << checkable->GetName() << "'");

-void ElasticsearchWriter::NotificationSentToAllUsersHandler(const Notification::Ptr& notification,
-	const Checkable::Ptr& checkable, const std::set<User::Ptr>& users, NotificationType type,
-	const CheckResult::Ptr& cr, const String& author, const String& text)
-{
-	if (IsPaused())
-		return;
+		AddCheckResult(fields, checkable, cr);

-	m_WorkQueue.Enqueue([this, notification, checkable, users, type, cr, author, text]() {
-		NotificationSentToAllUsersHandlerInternal(notification, checkable, users, type, cr, author, text);
+		Enqueue(checkable, "statechange", fields, cr->GetExecutionEnd());
 	});
 }

-void ElasticsearchWriter::NotificationSentToAllUsersHandlerInternal(const Notification::Ptr& notification,
-	const Checkable::Ptr& checkable, const std::set<User::Ptr>& users, NotificationType type,
-	const CheckResult::Ptr& cr, const String& author, const String& text)
+void ElasticsearchWriter::NotificationSentToAllUsersHandler(const Checkable::Ptr& checkable, const std::set<User::Ptr>& users,
+	NotificationType type, const CheckResult::Ptr& cr, const String& author, const String& text)
 {
-	AssertOnWorkQueue();
-
-	CONTEXT("Elasticwriter processing notification to all users '" << checkable->GetName() << "'");
-
-	Log(LogDebug, "ElasticsearchWriter")
-		<< "Processing notification for '" << checkable->GetName() << "'";
+	if (IsPaused())
+		return;

 	Host::Ptr host;
 	Service::Ptr service;
@ -396,27 +352,32 @@ void ElasticsearchWriter::NotificationSentToAllUsersHandlerInternal(const Notifi
 	fields->Set("notification_type", notificationTypeString);
 	fields->Set("author", author);
 	fields->Set("text", text);
-
-	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
-
-	if (commandObj)
-		fields->Set("check_command", commandObj->GetName());
-
-	double ts = Utility::GetTime();
-
-	if (cr) {
-		AddCheckResult(fields, checkable, cr);
-		ts = cr->GetExecutionEnd();
-	}
+	fields->Set("check_command", checkable->GetCheckCommand()->GetName());

 	AddTemplateTags(fields, checkable, cr);

-	Enqueue(checkable, "notification", fields, ts);
+	m_WorkQueue.Enqueue([this, checkable, cr, fields = std::move(fields)]() {
+		CONTEXT("Elasticwriter processing notification to all users '" << checkable->GetName() << "'");
+
+		Log(LogDebug, "ElasticsearchWriter")
+			<< "Processing notification for '" << checkable->GetName() << "'";
+
+		double ts = Utility::GetTime();
+
+		if (cr) {
+			AddCheckResult(fields, checkable, cr);
+			ts = cr->GetExecutionEnd();
+		}
+
+		Enqueue(checkable, "notification", fields, ts);
+	});
 }

 void ElasticsearchWriter::Enqueue(const Checkable::Ptr& checkable, const String& type,
 	const Dictionary::Ptr& fields, double ts)
 {
+	AssertOnWorkQueue();
+
 	/* Atomically buffer the data point. */
 	std::unique_lock<std::mutex> lock(m_DataBufferMutex);

--- a/lib/perfdata/elasticsearchwriter.hpp
+++ b/lib/perfdata/elasticsearchwriter.hpp
@ -42,16 +42,10 @@ private:
 	void AddCheckResult(const Dictionary::Ptr& fields, const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
 	void AddTemplateTags(const Dictionary::Ptr& fields, const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);

-	void StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type);
-	void StateChangeHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type);
+	void StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
 	void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
-	void InternalCheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
-	void NotificationSentToAllUsersHandler(const Notification::Ptr& notification,
-		const Checkable::Ptr& checkable, const std::set<User::Ptr>& users, NotificationType type,
-		const CheckResult::Ptr& cr, const String& author, const String& text);
-	void NotificationSentToAllUsersHandlerInternal(const Notification::Ptr& notification,
-		const Checkable::Ptr& checkable, const std::set<User::Ptr>& users, NotificationType type,
-		const CheckResult::Ptr& cr, const String& author, const String& text);
+	void NotificationSentToAllUsersHandler(const Checkable::Ptr& checkable, const std::set<User::Ptr>& users,
+		NotificationType type, const CheckResult::Ptr& cr, const String& author, const String& text);

 	void Enqueue(const Checkable::Ptr& checkable, const String& type,
 		const Dictionary::Ptr& fields, double ts);
--- a/lib/perfdata/gelfwriter.cpp
+++ b/lib/perfdata/gelfwriter.cpp
@ -94,14 +94,14 @@ void GelfWriter::Resume()
 		const CheckResult::Ptr& cr, const MessageOrigin::Ptr&) {
 		CheckResultHandler(checkable, cr);
 	});
-	m_HandleNotifications = Checkable::OnNotificationSentToUser.connect([this](const Notification::Ptr& notification,
-		const Checkable::Ptr& checkable, const User::Ptr& user, const NotificationType& type, const CheckResult::Ptr& cr,
+	m_HandleNotifications = Checkable::OnNotificationSentToUser.connect([this](const Notification::Ptr&,
+		const Checkable::Ptr& checkable, const User::Ptr&, const NotificationType& type, const CheckResult::Ptr& cr,
 		const String& author, const String& commentText, const String& commandName, const MessageOrigin::Ptr&) {
-		NotificationToUserHandler(notification, checkable, user, type, cr, author, commentText, commandName);
+		NotificationToUserHandler(checkable, type, cr, author, commentText, commandName);
 	});
 	m_HandleStateChanges = Checkable::OnStateChange.connect([this](const Checkable::Ptr& checkable,
-		const CheckResult::Ptr& cr, StateType type, const MessageOrigin::Ptr&) {
-		StateChangeHandler(checkable, cr, type);
+		const CheckResult::Ptr& cr, StateType, const MessageOrigin::Ptr&) {
+		StateChangeHandler(checkable, cr);
 	});
 }

@ -268,18 +268,6 @@ void GelfWriter::CheckResultHandler(const Checkable::Ptr& checkable, const Check
 	if (IsPaused())
 		return;

-	m_WorkQueue.Enqueue([this, checkable, cr]() { CheckResultHandlerInternal(checkable, cr); });
-}
-
-void GelfWriter::CheckResultHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
-{
-	AssertOnWorkQueue();
-
-	CONTEXT("GELF Processing check result for '" << checkable->GetName() << "'");
-
-	Log(LogDebug, "GelfWriter")
-		<< "Processing check result for '" << checkable->GetName() << "'";
-
 	Host::Ptr host;
 	Service::Ptr service;
 	tie(host, service) = GetHostService(checkable);
@ -306,91 +294,74 @@ void GelfWriter::CheckResultHandlerInternal(const Checkable::Ptr& checkable, con
 	fields->Set("_reachable", checkable->IsReachable());

 	CheckCommand::Ptr checkCommand = checkable->GetCheckCommand();
+	fields->Set("_check_command", checkCommand->GetName());

-	if (checkCommand)
-		fields->Set("_check_command", checkCommand->GetName());
+	m_WorkQueue.Enqueue([this, checkable, cr, fields = std::move(fields)]() {
+		CONTEXT("GELF Processing check result for '" << checkable->GetName() << "'");

-	double ts = Utility::GetTime();
+		Log(LogDebug, "GelfWriter")
+			<< "Processing check result for '" << checkable->GetName() << "'";

-	if (cr) {
 		fields->Set("_latency", cr->CalculateLatency());
 		fields->Set("_execution_time", cr->CalculateExecutionTime());
 		fields->Set("short_message", CompatUtility::GetCheckResultOutput(cr));
 		fields->Set("full_message", cr->GetOutput());
 		fields->Set("_check_source", cr->GetCheckSource());
-		ts = cr->GetExecutionEnd();
-	}

-	if (cr && GetEnableSendPerfdata()) {
-		Array::Ptr perfdata = cr->GetPerformanceData();
+		if (GetEnableSendPerfdata()) {
+			Array::Ptr perfdata = cr->GetPerformanceData();

-		if (perfdata) {
-			ObjectLock olock(perfdata);
-			for (const Value& val : perfdata) {
-				PerfdataValue::Ptr pdv;
+			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, "GelfWriter")
-							<< "Ignoring invalid perfdata for checkable '"
-							<< checkable->GetName() << "' and command '"
-							<< checkCommand->GetName() << "' with value: " << val;
-						continue;
+					if (val.IsObjectType<PerfdataValue>())
+						pdv = val;
+					else {
+						try {
+							pdv = PerfdataValue::Parse(val);
+						} catch (const std::exception&) {
+							Log(LogWarning, "GelfWriter")
+								<< "Ignoring invalid perfdata for checkable '"
+								<< checkable->GetName() << "' and command '"
+								<< checkable->GetCheckCommand()->GetName() << "' with value: " << val;
+							continue;
+						}
 					}
+
+					String escaped_key = pdv->GetLabel();
+					boost::replace_all(escaped_key, " ", "_");
+					boost::replace_all(escaped_key, ".", "_");
+					boost::replace_all(escaped_key, "\\", "_");
+					boost::algorithm::replace_all(escaped_key, "::", ".");
+
+					fields->Set("_" + escaped_key, pdv->GetValue());
+
+					if (!pdv->GetMin().IsEmpty())
+						fields->Set("_" + escaped_key + "_min", pdv->GetMin());
+					if (!pdv->GetMax().IsEmpty())
+						fields->Set("_" + escaped_key + "_max", pdv->GetMax());
+					if (!pdv->GetWarn().IsEmpty())
+						fields->Set("_" + escaped_key + "_warn", pdv->GetWarn());
+					if (!pdv->GetCrit().IsEmpty())
+						fields->Set("_" + escaped_key + "_crit", pdv->GetCrit());
+
+					if (!pdv->GetUnit().IsEmpty())
+						fields->Set("_" + escaped_key + "_unit", pdv->GetUnit());
 				}
-
-				String escaped_key = pdv->GetLabel();
-				boost::replace_all(escaped_key, " ", "_");
-				boost::replace_all(escaped_key, ".", "_");
-				boost::replace_all(escaped_key, "\\", "_");
-				boost::algorithm::replace_all(escaped_key, "::", ".");
-
-				fields->Set("_" + escaped_key, pdv->GetValue());
-
-				if (!pdv->GetMin().IsEmpty())
-					fields->Set("_" + escaped_key + "_min", pdv->GetMin());
-				if (!pdv->GetMax().IsEmpty())
-					fields->Set("_" + escaped_key + "_max", pdv->GetMax());
-				if (!pdv->GetWarn().IsEmpty())
-					fields->Set("_" + escaped_key + "_warn", pdv->GetWarn());
-				if (!pdv->GetCrit().IsEmpty())
-					fields->Set("_" + escaped_key + "_crit", pdv->GetCrit());
-
-				if (!pdv->GetUnit().IsEmpty())
-					fields->Set("_" + escaped_key + "_unit", pdv->GetUnit());
 			}
 		}
-	}

-	SendLogMessage(checkable, ComposeGelfMessage(fields, GetSource(), ts));
-}
-
-void GelfWriter::NotificationToUserHandler(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
-	const User::Ptr& user, NotificationType notificationType, CheckResult::Ptr const& cr,
-	const String& author, const String& commentText, const String& commandName)
-{
-	if (IsPaused())
-		return;
-
-	m_WorkQueue.Enqueue([this, notification, checkable, user, notificationType, cr, author, commentText, commandName]() {
-		NotificationToUserHandlerInternal(notification, checkable, user, notificationType, cr, author, commentText, commandName);
+		SendLogMessage(checkable, ComposeGelfMessage(fields, GetSource(), cr->GetExecutionEnd()));
 	});
 }

-void GelfWriter::NotificationToUserHandlerInternal(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
-	const User::Ptr& user, NotificationType notificationType, CheckResult::Ptr const& cr,
-	const String& author, const String& commentText, const String& commandName)
+void GelfWriter::NotificationToUserHandler(const Checkable::Ptr& checkable, NotificationType notificationType,
+	const CheckResult::Ptr& cr, const String& author, const String& commentText, const String& commandName)
 {
-	AssertOnWorkQueue();
-
-	CONTEXT("GELF Processing notification to all users '" << checkable->GetName() << "'");
-
-	Log(LogDebug, "GelfWriter")
-		<< "Processing notification for '" << checkable->GetName() << "'";
+	if (IsPaused())
+		return;

 	Host::Ptr host;
 	Service::Ptr service;
@ -430,32 +401,23 @@ void GelfWriter::NotificationToUserHandlerInternal(const Notification::Ptr& noti
 	fields->Set("_command", commandName);
 	fields->Set("_notification_type", notificationTypeString);
 	fields->Set("_comment", authorComment);
+	fields->Set("_check_command", checkable->GetCheckCommand()->GetName());

-	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
+	m_WorkQueue.Enqueue([this, checkable, ts, fields = std::move(fields)]() {
+		CONTEXT("GELF Processing notification to all users '" << checkable->GetName() << "'");

-	if (commandObj)
-		fields->Set("_check_command", commandObj->GetName());
+		Log(LogDebug, "GelfWriter")
+			<< "Processing notification for '" << checkable->GetName() << "'";

-	SendLogMessage(checkable, ComposeGelfMessage(fields, GetSource(), ts));
+		SendLogMessage(checkable, ComposeGelfMessage(fields, GetSource(), ts));
+	});
 }

-void GelfWriter::StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type)
+void GelfWriter::StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
 {
 	if (IsPaused())
 		return;

-	m_WorkQueue.Enqueue([this, checkable, cr, type]() { StateChangeHandlerInternal(checkable, cr, type); });
-}
-
-void GelfWriter::StateChangeHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type)
-{
-	AssertOnWorkQueue();
-
-	CONTEXT("GELF Processing state change '" << checkable->GetName() << "'");
-
-	Log(LogDebug, "GelfWriter")
-		<< "Processing state change for '" << checkable->GetName() << "'";
-
 	Host::Ptr host;
 	Service::Ptr service;
 	tie(host, service) = GetHostService(checkable);
@ -478,21 +440,19 @@ void GelfWriter::StateChangeHandlerInternal(const Checkable::Ptr& checkable, con
 		fields->Set("_last_hard_state", host->GetLastHardState());
 	}

-	CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
+	fields->Set("_check_command", checkable->GetCheckCommand()->GetName());
+	fields->Set("short_message", CompatUtility::GetCheckResultOutput(cr));
+	fields->Set("full_message", cr->GetOutput());
+	fields->Set("_check_source", cr->GetCheckSource());

-	if (commandObj)
-		fields->Set("_check_command", commandObj->GetName());
+	m_WorkQueue.Enqueue([this, checkable, fields = std::move(fields), ts = cr->GetExecutionEnd()]() {
+		CONTEXT("GELF Processing state change '" << checkable->GetName() << "'");

-	double ts = Utility::GetTime();
+		Log(LogDebug, "GelfWriter")
+			<< "Processing state change for '" << checkable->GetName() << "'";

-	if (cr) {
-		fields->Set("short_message", CompatUtility::GetCheckResultOutput(cr));
-		fields->Set("full_message", cr->GetOutput());
-		fields->Set("_check_source", cr->GetCheckSource());
-		ts = cr->GetExecutionEnd();
-	}
-
-	SendLogMessage(checkable, ComposeGelfMessage(fields, GetSource(), ts));
+		SendLogMessage(checkable, ComposeGelfMessage(fields, GetSource(), ts));
+	});
 }

 String GelfWriter::ComposeGelfMessage(const Dictionary::Ptr& fields, const String& source, double ts)
@ -506,6 +466,8 @@ String GelfWriter::ComposeGelfMessage(const Dictionary::Ptr& fields, const Strin

 void GelfWriter::SendLogMessage(const Checkable::Ptr& checkable, const String& gelfMessage)
 {
+	AssertOnWorkQueue();
+
 	std::ostringstream msgbuf;
 	msgbuf << gelfMessage;
 	msgbuf << '\0';
--- a/lib/perfdata/gelfwriter.hpp
+++ b/lib/perfdata/gelfwriter.hpp
@ -40,15 +40,9 @@ private:
 	Timer::Ptr m_ReconnectTimer;

 	void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
-	void CheckResultHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
-	void NotificationToUserHandler(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
-		const User::Ptr& user, NotificationType notificationType, const CheckResult::Ptr& cr,
+	void NotificationToUserHandler(const Checkable::Ptr& checkable, NotificationType notificationType, const CheckResult::Ptr& cr,
 		const String& author, const String& commentText, const String& commandName);
-	void NotificationToUserHandlerInternal(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
-		const User::Ptr& user, NotificationType notification_type, const CheckResult::Ptr& cr,
-		const String& author, const String& comment_text, const String& command_name);
-	void StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type);
-	void StateChangeHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type);
+	void StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);

 	String ComposeGelfMessage(const Dictionary::Ptr& fields, const String& source, double ts);
 	void SendLogMessage(const Checkable::Ptr& checkable, const String& gelfMessage);
--- a/lib/perfdata/graphitewriter.cpp
+++ b/lib/perfdata/graphitewriter.cpp
@ -261,27 +261,6 @@ void GraphiteWriter::CheckResultHandler(const Checkable::Ptr& checkable, const C
 	if (IsPaused())
 		return;

-	m_WorkQueue.Enqueue([this, checkable, cr]() { CheckResultHandlerInternal(checkable, cr); });
-}
-
-/**
- * Check result event handler, prepares metadata and perfdata values and calls Send*()
- *
- * Called inside the WQ.
- *
- * @param checkable Host/Service object
- * @param cr Check result including performance data
- */
-void GraphiteWriter::CheckResultHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
-{
-	AssertOnWorkQueue();
-
-	CONTEXT("Processing check result for '" << checkable->GetName() << "'");
-
-	/* TODO: Deal with missing connection here. Needs refactoring
-	 * into parsing the actual performance data and then putting it
-	 * into a queue for re-inserting. */
-
 	if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
 		return;

@ -306,29 +285,34 @@ void GraphiteWriter::CheckResultHandlerInternal(const Checkable::Ptr& checkable,
 		});
 	}

-	String prefixPerfdata = prefix + ".perfdata";
-	String prefixMetadata = prefix + ".metadata";
-
-	double ts = cr->GetExecutionEnd();
-
+	std::vector<std::pair<String, double>> metadata;
 	if (GetEnableSendMetadata()) {
-		if (service) {
-			SendMetric(checkable, prefixMetadata, "state", service->GetState(), ts);
-		} else {
-			SendMetric(checkable, prefixMetadata, "state", host->GetState(), ts);
-		}
-
-		SendMetric(checkable, prefixMetadata, "current_attempt", checkable->GetCheckAttempt(), ts);
-		SendMetric(checkable, prefixMetadata, "max_check_attempts", checkable->GetMaxCheckAttempts(), ts);
-		SendMetric(checkable, prefixMetadata, "state_type", checkable->GetStateType(), ts);
-		SendMetric(checkable, prefixMetadata, "reachable", checkable->IsReachable(), ts);
-		SendMetric(checkable, prefixMetadata, "downtime_depth", checkable->GetDowntimeDepth(), ts);
-		SendMetric(checkable, prefixMetadata, "acknowledgement", checkable->GetAcknowledgement(), ts);
-		SendMetric(checkable, prefixMetadata, "latency", cr->CalculateLatency(), ts);
-		SendMetric(checkable, prefixMetadata, "execution_time", cr->CalculateExecutionTime(), ts);
+		metadata = {
+			{"state", service ? service->GetState() : host->GetState()},
+			{"current_attempt", checkable->GetCheckAttempt()},
+			{"max_check_attempts", checkable->GetMaxCheckAttempts()},
+			{"state_type", checkable->GetStateType()},
+			{"reachable", checkable->IsReachable()},
+			{"downtime_depth", checkable->GetDowntimeDepth()},
+			{"acknowledgement", checkable->GetAcknowledgement()},
+			{"latency", cr->CalculateLatency()},
+			{"execution_time", cr->CalculateExecutionTime()}
+		};
 	}

-	SendPerfdata(checkable, prefixPerfdata, cr, ts);
+	m_WorkQueue.Enqueue([this, checkable, cr, prefix = std::move(prefix), metadata = std::move(metadata)]() {
+		CONTEXT("Processing check result for '" << checkable->GetName() << "'");
+
+		/* TODO: Deal with missing connection here. Needs refactoring
+		* into parsing the actual performance data and then putting it
+		* into a queue for re-inserting. */
+
+		for (auto& [name, val] : metadata) {
+			SendMetric(checkable, prefix + ".metadata", name, val, cr->GetExecutionEnd());
+		}
+
+		SendPerfdata(checkable, prefix + ".perfdata", cr);
+	});
 }

 /**
@ -337,10 +321,11 @@ void GraphiteWriter::CheckResultHandlerInternal(const Checkable::Ptr& checkable,
 * @param checkable Host/service object
 * @param prefix Metric prefix string
 * @param cr Check result including performance data
- * @param ts Timestamp when the check result was created
 */
-void GraphiteWriter::SendPerfdata(const Checkable::Ptr& checkable, const String& prefix, const CheckResult::Ptr& cr, double ts)
+void GraphiteWriter::SendPerfdata(const Checkable::Ptr& checkable, const String& prefix, const CheckResult::Ptr& cr)
 {
+	AssertOnWorkQueue();
+
 	Array::Ptr perfdata = cr->GetPerformanceData();

 	if (!perfdata)
@ -367,6 +352,7 @@ void GraphiteWriter::SendPerfdata(const Checkable::Ptr& checkable, const String&
 		}

 		String escapedKey = EscapeMetricLabel(pdv->GetLabel());
+		double ts = cr->GetExecutionEnd();

 		SendMetric(checkable, prefix, escapedKey + ".value", pdv->GetValue(), ts);

@ -394,6 +380,8 @@ void GraphiteWriter::SendPerfdata(const Checkable::Ptr& checkable, const String&
 */
 void GraphiteWriter::SendMetric(const Checkable::Ptr& checkable, const String& prefix, const String& name, double value, double ts)
 {
+	AssertOnWorkQueue();
+
 	namespace asio = boost::asio;

 	std::ostringstream msgbuf;
--- a/lib/perfdata/graphitewriter.hpp
+++ b/lib/perfdata/graphitewriter.hpp
@ -45,9 +45,8 @@ private:
 	Timer::Ptr m_ReconnectTimer;

 	void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
-	void CheckResultHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
 	void SendMetric(const Checkable::Ptr& checkable, const String& prefix, const String& name, double value, double ts);
-	void SendPerfdata(const Checkable::Ptr& checkable, const String& prefix, const CheckResult::Ptr& cr, double ts);
+	void SendPerfdata(const Checkable::Ptr& checkable, const String& prefix, const CheckResult::Ptr& cr);
 	static String EscapeMetric(const String& str);
 	static String EscapeMetricLabel(const String& str);
 	static Value EscapeMacroMetric(const Value& value);
--- a/lib/perfdata/influxdbcommonwriter.cpp
+++ b/lib/perfdata/influxdbcommonwriter.cpp
@ -204,15 +204,6 @@ void InfluxdbCommonWriter::CheckResultHandler(const Checkable::Ptr& checkable, c
 	if (IsPaused())
 		return;

-	m_WorkQueue.Enqueue([this, checkable, cr]() { CheckResultHandlerWQ(checkable, cr); }, PriorityLow);
-}
-
-void InfluxdbCommonWriter::CheckResultHandlerWQ(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
-{
-	AssertOnWorkQueue();
-
-	CONTEXT("Processing check result for '" << checkable->GetName() << "'");
-
 	if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata())
 		return;

@ -225,10 +216,6 @@ void InfluxdbCommonWriter::CheckResultHandlerWQ(const Checkable::Ptr& checkable,
 		resolvers.emplace_back("service", service);
 	resolvers.emplace_back("host", host);

-	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->ShallowClone());
@ -253,56 +240,9 @@ void InfluxdbCommonWriter::CheckResultHandlerWQ(const Checkable::Ptr& checkable,
 		tmpl->Set("tags", tags);
 	}

-	CheckCommand::Ptr checkCommand = checkable->GetCheckCommand();
-
-	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, GetReflectionType()->GetName())
-						<< "Ignoring invalid perfdata for checkable '"
-						<< checkable->GetName() << "' and command '"
-						<< checkCommand->GetName() << "' with value: " << val;
-					continue;
-				}
-			}
-
-			Dictionary::Ptr fields = new Dictionary();
-			fields->Set("value", pdv->GetValue());
-
-			if (GetEnableSendThresholds()) {
-				if (!pdv->GetCrit().IsEmpty())
-					fields->Set("crit", pdv->GetCrit());
-				if (!pdv->GetWarn().IsEmpty())
-					fields->Set("warn", pdv->GetWarn());
-				if (!pdv->GetMin().IsEmpty())
-					fields->Set("min", pdv->GetMin());
-				if (!pdv->GetMax().IsEmpty())
-					fields->Set("max", pdv->GetMax());
-			}
-			if (!pdv->GetUnit().IsEmpty()) {
-				fields->Set("unit", pdv->GetUnit());
-			}
-
-			SendMetric(checkable, tmpl, pdv->GetLabel(), fields, ts);
-		}
-	}
-
+	Dictionary::Ptr fields;
 	if (GetEnableSendMetadata()) {
-		Host::Ptr host;
-		Service::Ptr service;
-		tie(host, service) = GetHostService(checkable);
-
-		Dictionary::Ptr fields = new Dictionary();
+		fields = new Dictionary();

 		if (service)
 			fields->Set("state", new InfluxdbInteger(service->GetState()));
@ -317,9 +257,57 @@ void InfluxdbCommonWriter::CheckResultHandlerWQ(const Checkable::Ptr& checkable,
 		fields->Set("acknowledgement", new InfluxdbInteger(checkable->GetAcknowledgement()));
 		fields->Set("latency", cr->CalculateLatency());
 		fields->Set("execution_time", cr->CalculateExecutionTime());
-
-		SendMetric(checkable, tmpl, Empty, fields, ts);
 	}
+
+	m_WorkQueue.Enqueue([this, checkable, cr, tmpl = std::move(tmpl), metadataFields = std::move(fields)]() {
+		CONTEXT("Processing check result for '" << checkable->GetName() << "'");
+
+		double ts = cr->GetExecutionEnd();
+
+		if (Array::Ptr perfdata = cr->GetPerformanceData()) {
+			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, GetReflectionType()->GetName())
+							<< "Ignoring invalid perfdata for checkable '"
+							<< checkable->GetName() << "' and command '"
+							<< checkable->GetCheckCommand()->GetName() << "' with value: " << val;
+						continue;
+					}
+				}
+
+				Dictionary::Ptr fields = new Dictionary();
+				fields->Set("value", pdv->GetValue());
+
+				if (GetEnableSendThresholds()) {
+					if (!pdv->GetCrit().IsEmpty())
+						fields->Set("crit", pdv->GetCrit());
+					if (!pdv->GetWarn().IsEmpty())
+						fields->Set("warn", pdv->GetWarn());
+					if (!pdv->GetMin().IsEmpty())
+						fields->Set("min", pdv->GetMin());
+					if (!pdv->GetMax().IsEmpty())
+						fields->Set("max", pdv->GetMax());
+				}
+				if (!pdv->GetUnit().IsEmpty()) {
+					fields->Set("unit", pdv->GetUnit());
+				}
+
+				SendMetric(checkable, tmpl, pdv->GetLabel(), fields, ts);
+			}
+		}
+
+		if (metadataFields) {
+			SendMetric(checkable, tmpl, Empty, metadataFields, ts);
+		}
+	}, PriorityLow);
 }

 String InfluxdbCommonWriter::EscapeKeyOrTagValue(const String& str)
@ -364,6 +352,8 @@ String InfluxdbCommonWriter::EscapeValue(const Value& value)
 void InfluxdbCommonWriter::SendMetric(const Checkable::Ptr& checkable, const Dictionary::Ptr& tmpl,
 	const String& label, const Dictionary::Ptr& fields, double ts)
 {
+	AssertOnWorkQueue();
+
 	std::ostringstream msgbuf;
 	msgbuf << EscapeKeyOrTagValue(tmpl->Get("measurement"));

--- a/lib/perfdata/influxdbcommonwriter.hpp
+++ b/lib/perfdata/influxdbcommonwriter.hpp
@ -54,7 +54,6 @@ private:
 	std::atomic_size_t m_DataBufferSize{0};

 	void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
-	void CheckResultHandlerWQ(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
 	void SendMetric(const Checkable::Ptr& checkable, const Dictionary::Ptr& tmpl,
 		const String& label, const Dictionary::Ptr& fields, double ts);
 	void FlushTimeout();