mirror of https://github.com/Icinga/icinga2.git
GelfWriter: Use async work queue and add feature metric stats
fixes #4532
This commit is contained in:
Michael Friedrich
parent
26d69cfd36
commit
f10815efa2
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@ -29,16 +29,55 @@
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#include "base/logger.hpp"
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#include "base/utility.hpp"
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#include "base/perfdatavalue.hpp"
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#include "base/application.hpp"
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#include "base/stream.hpp"
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#include "base/networkstream.hpp"
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#include "base/json.hpp"
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#include "base/context.hpp"
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#include "base/exception.hpp"
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#include "base/json.hpp"
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#include "base/statsfunction.hpp"
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#include <boost/algorithm/string/replace.hpp>
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using namespace icinga;
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REGISTER_TYPE(GelfWriter);
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REGISTER_STATSFUNCTION(GelfWriter, &GelfWriter::StatsFunc);
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GelfWriter::GelfWriter(void)
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: m_WorkQueue(10000000, 1)
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{ }
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void GelfWriter::OnConfigLoaded(void)
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{
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ObjectImpl<GelfWriter>::OnConfigLoaded();
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m_WorkQueue.SetName("GelfWriter, " + GetName());
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}
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void GelfWriter::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata)
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{
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Dictionary::Ptr nodes = new Dictionary();
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for (const GelfWriter::Ptr& gelfwriter : ConfigType::GetObjectsByType<GelfWriter>()) {
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size_t workQueueItems = gelfwriter->m_WorkQueue.GetLength();
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double workQueueItemRate = gelfwriter->m_WorkQueue.GetTaskCount(60) / 60.0;
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Dictionary::Ptr stats = new Dictionary();
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stats->Set("work_queue_items", workQueueItems);
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stats->Set("work_queue_item_rate", workQueueItemRate);
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stats->Set("connected", gelfwriter->GetConnected());
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stats->Set("source", gelfwriter->GetSource());
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nodes->Set(gelfwriter->GetName(), stats);
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perfdata->Add(new PerfdataValue("gelfwriter_" + gelfwriter->GetName() + "_work_queue_items", workQueueItems));
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perfdata->Add(new PerfdataValue("gelfwriter_" + gelfwriter->GetName() + "_work_queue_item_rate", workQueueItemRate));
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}
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status->Set("gelfwriter", nodes);
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}
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void GelfWriter::Start(bool runtimeCreated)
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{
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ObjectImpl<GelfWriter>::Start(runtimeCreated);
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@ -46,18 +85,20 @@ void GelfWriter::Start(bool runtimeCreated)
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Log(LogInformation, "GelfWriter")
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<< "'" << GetName() << "' started.";
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/* Register exception handler for WQ tasks. */
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m_WorkQueue.SetExceptionCallback(boost::bind(&GelfWriter::ExceptionHandler, this, _1));
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/* Timer for reconnecting */
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m_ReconnectTimer = new Timer();
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m_ReconnectTimer->SetInterval(10);
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m_ReconnectTimer->OnTimerExpired.connect(boost::bind(&GelfWriter::ReconnectTimerHandler, this));
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m_ReconnectTimer->Start();
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m_ReconnectTimer->Reschedule(0);
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// Send check results
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Service::OnNewCheckResult.connect(boost::bind(&GelfWriter::CheckResultHandler, this, _1, _2));
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// Send notifications
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Service::OnNotificationSentToUser.connect(boost::bind(&GelfWriter::NotificationToUserHandler, this, _1, _2, _3, _4, _5, _6, _7, _8));
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// Send state change
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Service::OnStateChange.connect(boost::bind(&GelfWriter::StateChangeHandler, this, _1, _2, _3));
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/* Register event handlers. */
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Checkable::OnNewCheckResult.connect(boost::bind(&GelfWriter::CheckResultHandler, this, _1, _2));
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Checkable::OnNotificationSentToUser.connect(boost::bind(&GelfWriter::NotificationToUserHandler, this, _1, _2, _3, _4, _5, _6, _7, _8));
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Checkable::OnStateChange.connect(boost::bind(&GelfWriter::StateChangeHandler, this, _1, _2, _3));
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}
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void GelfWriter::Stop(bool runtimeRemoved)
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@ -65,41 +106,98 @@ void GelfWriter::Stop(bool runtimeRemoved)
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Log(LogInformation, "GelfWriter")
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<< "'" << GetName() << "' stopped.";
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m_WorkQueue.Join();
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ObjectImpl<GelfWriter>::Stop(runtimeRemoved);
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}
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void GelfWriter::ReconnectTimerHandler(void)
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void GelfWriter::AssertOnWorkQueue(void)
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{
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if (m_Stream)
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ASSERT(m_WorkQueue.IsWorkerThread());
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}
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void GelfWriter::ExceptionHandler(boost::exception_ptr exp)
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{
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Log(LogCritical, "GelfWriter", "Exception during Graylog Gelf operation: Verify that your backend is operational!");
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Log(LogDebug, "GelfWriter")
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<< "Exception during Graylog Gelf operation: " << DiagnosticInformation(exp);
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if (GetConnected()) {
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m_Stream->Close();
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SetConnected(false);
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}
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}
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void GelfWriter::Reconnect(void)
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{
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AssertOnWorkQueue();
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double startTime = Utility::GetTime();
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CONTEXT("Reconnecting to Graylog Gelf '" + GetName() + "'");
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SetShouldConnect(true);
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if (GetConnected())
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return;
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TcpSocket::Ptr socket = new TcpSocket();
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Log(LogNotice, "GelfWriter")
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<< "Reconnecting to GELF endpoint '" << GetHost() << "' port '" << GetPort() << "'.";
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<< "Reconnecting to Graylog Gelf on host '" << GetHost() << "' port '" << GetPort() << "'.";
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try {
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socket->Connect(GetHost(), GetPort());
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} catch (std::exception&) {
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} catch (const std::exception& ex) {
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Log(LogCritical, "GelfWriter")
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<< "Can't connect to GELF endpoint '" << GetHost() << "' port '" << GetPort() << "'.";
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return;
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<< "Can't connect to Graylog Gelf on host '" << GetHost() << "' port '" << GetPort() << "'.";
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throw ex;
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}
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m_Stream = new NetworkStream(socket);
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SetConnected(true);
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Log(LogInformation, "GelfWriter")
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<< "Finished reconnecting to Graylog Gelf in " << std::setw(2) << Utility::GetTime() - startTime << " second(s).";
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}
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void GelfWriter::ReconnectTimerHandler(void)
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{
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m_WorkQueue.Enqueue(boost::bind(&GelfWriter::Reconnect, this), PriorityNormal);
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}
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void GelfWriter::Disconnect(void)
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{
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AssertOnWorkQueue();
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if (!GetConnected())
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return;
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m_Stream->Close();
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SetConnected(false);
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}
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void GelfWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
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{
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m_WorkQueue.Enqueue(boost::bind(&GelfWriter::CheckResultHandlerInternal, this, checkable, cr));
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}
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void GelfWriter::CheckResultHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
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{
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AssertOnWorkQueue();
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CONTEXT("GELF Processing check result for '" + checkable->GetName() + "'");
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Log(LogDebug, "GelfWriter")
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<< "GELF Processing check result for '" << checkable->GetName() << "'";
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<< "Processing check result for '" << checkable->GetName() << "'";
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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double ts = Utility::GetTime();
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Dictionary::Ptr fields = new Dictionary();
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@ -122,6 +220,8 @@ void GelfWriter::CheckResultHandler(const Checkable::Ptr& checkable, const Check
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fields->Set("_reachable", checkable->IsReachable());
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double ts = Utility::GetTime();
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if (cr) {
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fields->Set("_latency", cr->CalculateLatency());
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fields->Set("_execution_time", cr->CalculateExecutionTime());
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@ -175,28 +275,38 @@ void GelfWriter::CheckResultHandler(const Checkable::Ptr& checkable, const Check
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}
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void GelfWriter::NotificationToUserHandler(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
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const User::Ptr& user, NotificationType notification_type, CheckResult::Ptr const& cr,
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const String& author, const String& comment_text, const String& command_name)
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const User::Ptr& user, NotificationType notificationType, CheckResult::Ptr const& cr,
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const String& author, const String& commentText, const String& commandName)
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{
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m_WorkQueue.Enqueue(boost::bind(&GelfWriter::NotificationToUserHandlerInternal, this,
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notification, checkable, user, notificationType, cr, author, commentText, commandName));
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}
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void GelfWriter::NotificationToUserHandlerInternal(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
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const User::Ptr& user, NotificationType notificationType, CheckResult::Ptr const& cr,
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const String& author, const String& commentText, const String& commandName)
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{
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AssertOnWorkQueue();
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CONTEXT("GELF Processing notification to all users '" + checkable->GetName() + "'");
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Log(LogDebug, "GelfWriter")
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<< "GELF Processing notification for '" << checkable->GetName() << "'";
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<< "Processing notification for '" << checkable->GetName() << "'";
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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double ts = Utility::GetTime();
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String notification_type_str = Notification::NotificationTypeToString(notification_type);
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String notificationTypeString = Notification::NotificationTypeToString(notificationType);
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String author_comment = "";
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String authorComment = "";
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if (notification_type == NotificationCustom || notification_type == NotificationAcknowledgement) {
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author_comment = author + ";" + comment_text;
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if (notificationType == NotificationCustom || notificationType == NotificationAcknowledgement) {
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authorComment = author + ";" + commentText;
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}
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String output;
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double ts = Utility::GetTime();
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if (cr) {
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output = CompatUtility::GetCheckResultOutput(cr);
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@ -211,30 +321,37 @@ void GelfWriter::NotificationToUserHandler(const Notification::Ptr& notification
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fields->Set("short_message", output);
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} else {
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fields->Set("_type", "HOST NOTIFICATION");
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//TODO: why?
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fields->Set("short_message", "(" + CompatUtility::GetHostStateString(host) + ")");
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}
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fields->Set("_state", service ? Service::StateToString(service->GetState()) : Host::StateToString(host->GetState()));
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fields->Set("_hostname", host->GetName());
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fields->Set("_command", command_name);
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fields->Set("_notification_type", notification_type_str);
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fields->Set("_comment", author_comment);
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fields->Set("_command", commandName);
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fields->Set("_notification_type", notificationTypeString);
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fields->Set("_comment", authorComment);
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SendLogMessage(ComposeGelfMessage(fields, GetSource(), ts));
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}
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void GelfWriter::StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type)
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{
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m_WorkQueue.Enqueue(boost::bind(&GelfWriter::StateChangeHandlerInternal, this, checkable, cr, type));
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}
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void GelfWriter::StateChangeHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type)
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{
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AssertOnWorkQueue();
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CONTEXT("GELF Processing state change '" + checkable->GetName() + "'");
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Log(LogDebug, "GelfWriter")
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<< "GELF Processing state change for '" << checkable->GetName() << "'";
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<< "Processing state change for '" << checkable->GetName() << "'";
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(checkable);
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double ts = Utility::GetTime();
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Dictionary::Ptr fields = new Dictionary();
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@ -254,6 +371,8 @@ void GelfWriter::StateChangeHandler(const Checkable::Ptr& checkable, const Check
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fields->Set("_last_hard_state", host->GetLastHardState());
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}
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double ts = Utility::GetTime();
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if (cr) {
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fields->Set("short_message", CompatUtility::GetCheckResultOutput(cr));
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fields->Set("full_message", cr->GetOutput());
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@ -273,28 +392,28 @@ String GelfWriter::ComposeGelfMessage(const Dictionary::Ptr& fields, const Strin
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return JsonEncode(fields);
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}
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void GelfWriter::SendLogMessage(const String& gelf)
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void GelfWriter::SendLogMessage(const String& gelfMessage)
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{
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std::ostringstream msgbuf;
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msgbuf << gelf;
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msgbuf << gelfMessage;
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msgbuf << '\0';
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String log = msgbuf.str();
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ObjectLock olock(this);
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if (!m_Stream)
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if (!GetConnected())
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return;
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try {
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//TODO remove
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Log(LogDebug, "GelfWriter")
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<< "Sending '" << log << "'.";
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m_Stream->Write(log.CStr(), log.GetLength());
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} catch (const std::exception& ex) {
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Log(LogCritical, "GelfWriter")
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<< "Cannot write to TCP socket on host '" << GetHost() << "' port '" << GetPort() << "'.";
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m_Stream.reset();
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throw ex;
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}
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}
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@ -25,13 +25,14 @@
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#include "base/configobject.hpp"
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#include "base/tcpsocket.hpp"
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#include "base/timer.hpp"
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#include "base/workqueue.hpp"
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#include <fstream>
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namespace icinga
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{
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/**
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* An Icinga gelf writer.
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* An Icinga Gelf writer for Graylog.
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*
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* @ingroup perfdata
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*/
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@ -41,24 +42,43 @@ public:
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DECLARE_OBJECT(GelfWriter);
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DECLARE_OBJECTNAME(GelfWriter);
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GelfWriter(void);
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static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
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protected:
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virtual void OnConfigLoaded(void) override;
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virtual void Start(bool runtimeCreated) override;
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virtual void Stop(bool runtimeRemoved) override;
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private:
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Stream::Ptr m_Stream;
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WorkQueue m_WorkQueue;
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Timer::Ptr m_ReconnectTimer;
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void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
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void CheckResultHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
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void NotificationToUserHandler(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
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const User::Ptr& user, NotificationType notification_type, CheckResult::Ptr const& cr,
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const User::Ptr& user, NotificationType notificationType, const CheckResult::Ptr& cr,
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const String& author, const String& commentText, const String& commandName);
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void NotificationToUserHandlerInternal(const Notification::Ptr& notification, const Checkable::Ptr& checkable,
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const User::Ptr& user, NotificationType notification_type, const CheckResult::Ptr& cr,
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const String& author, const String& comment_text, const String& command_name);
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String ComposeGelfMessage(const Dictionary::Ptr& fields, const String& source, double ts);
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void StateChangeHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type);
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void SendLogMessage(const String& gelf);
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void StateChangeHandlerInternal(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, StateType type);
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String ComposeGelfMessage(const Dictionary::Ptr& fields, const String& source, double ts);
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void SendLogMessage(const String& gelfMessage);
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void ReconnectTimerHandler(void);
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void Disconnect(void);
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void Reconnect(void);
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void AssertOnWorkQueue(void);
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void ExceptionHandler(boost::exception_ptr exp);
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};
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}
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@ -38,6 +38,11 @@ class GelfWriter : ConfigObject
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[config] bool enable_send_perfdata {
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default {{{ return false; }}}
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};
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[no_user_modify] bool connected;
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[no_user_modify] bool should_connect {
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default {{{ return true; }}}
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};
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};
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}
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