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https://github.com/Icinga/icinga2.git
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ba7102cae3
before permitting their parent objects' destruction. For the cases where the handlers have raw pointers to these objects.
615 lines
16 KiB
C++
615 lines
16 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#include "compat/compatlogger.hpp"
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#include "compat/compatlogger-ti.cpp"
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#include "icinga/service.hpp"
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#include "icinga/checkcommand.hpp"
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#include "icinga/eventcommand.hpp"
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#include "icinga/notification.hpp"
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#include "icinga/macroprocessor.hpp"
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#include "icinga/externalcommandprocessor.hpp"
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#include "icinga/compatutility.hpp"
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#include "base/configtype.hpp"
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#include "base/objectlock.hpp"
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#include "base/logger.hpp"
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#include "base/exception.hpp"
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#include "base/convert.hpp"
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#include "base/application.hpp"
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#include "base/utility.hpp"
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#include "base/statsfunction.hpp"
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#include <boost/algorithm/string.hpp>
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using namespace icinga;
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REGISTER_TYPE(CompatLogger);
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REGISTER_STATSFUNCTION(CompatLogger, &CompatLogger::StatsFunc);
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void CompatLogger::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr&)
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{
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DictionaryData nodes;
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for (const CompatLogger::Ptr& compat_logger : ConfigType::GetObjectsByType<CompatLogger>()) {
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nodes.emplace_back(compat_logger->GetName(), 1); // add more stats
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}
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status->Set("compatlogger", new Dictionary(std::move(nodes)));
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::Start(bool runtimeCreated)
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{
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ObjectImpl<CompatLogger>::Start(runtimeCreated);
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Log(LogInformation, "CompatLogger")
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<< "'" << GetName() << "' started.";
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Log(LogWarning, "CompatLogger")
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<< "This feature is DEPRECATED and may be removed in future releases. Check the roadmap at https://github.com/Icinga/icinga2/milestones";
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Checkable::OnNewCheckResult.connect([this](const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, const MessageOrigin::Ptr&) {
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CheckResultHandler(checkable, cr);
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});
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Checkable::OnNotificationSentToUser.connect([this](const Notification::Ptr& notification, const Checkable::Ptr& checkable,
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const User::Ptr& user, const NotificationType& type, const CheckResult::Ptr& cr, const String& author,
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const String& commentText, const String& commandName, const MessageOrigin::Ptr&) {
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NotificationSentHandler(notification, checkable, user, type, cr, author, commentText, commandName);
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});
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Downtime::OnDowntimeTriggered.connect([this](const Downtime::Ptr& downtime) { TriggerDowntimeHandler(downtime); });
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Downtime::OnDowntimeRemoved.connect([this](const Downtime::Ptr& downtime) { RemoveDowntimeHandler(downtime); });
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Checkable::OnEventCommandExecuted.connect([this](const Checkable::Ptr& checkable) { EventCommandHandler(checkable); });
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Checkable::OnFlappingChanged.connect([this](const Checkable::Ptr& checkable, const Value&) { FlappingChangedHandler(checkable); });
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Checkable::OnEnableFlappingChanged.connect([this](const Checkable::Ptr& checkable, const Value&) { EnableFlappingChangedHandler(checkable); });
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ExternalCommandProcessor::OnNewExternalCommand.connect([this](double, const String& command, const std::vector<String>& arguments) {
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ExternalCommandHandler(command, arguments);
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});
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m_RotationTimer = Timer::Create();
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m_RotationTimer->OnTimerExpired.connect([this](const Timer * const&) { RotationTimerHandler(); });
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m_RotationTimer->Start();
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ReopenFile(false);
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ScheduleNextRotation();
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::Stop(bool runtimeRemoved)
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{
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m_RotationTimer->Stop(true);
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Log(LogInformation, "CompatLogger")
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<< "'" << GetName() << "' stopped.";
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ObjectImpl<CompatLogger>::Stop(runtimeRemoved);
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr &cr)
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{
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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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Dictionary::Ptr vars_after = cr->GetVarsAfter();
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long state_after = vars_after->Get("state");
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long stateType_after = vars_after->Get("state_type");
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long attempt_after = vars_after->Get("attempt");
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bool reachable_after = vars_after->Get("reachable");
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Dictionary::Ptr vars_before = cr->GetVarsBefore();
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if (vars_before) {
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long state_before = vars_before->Get("state");
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long stateType_before = vars_before->Get("state_type");
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long attempt_before = vars_before->Get("attempt");
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bool reachable_before = vars_before->Get("reachable");
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if (state_before == state_after && stateType_before == stateType_after &&
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attempt_before == attempt_after && reachable_before == reachable_after)
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return; /* Nothing changed, ignore this checkresult. */
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}
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String output;
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if (cr)
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output = CompatUtility::GetCheckResultOutput(cr);
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< Service::StateToString(service->GetState()) << ";"
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<< Service::StateTypeToString(service->GetStateType()) << ";"
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<< attempt_after << ";"
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<< output << ""
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<< "";
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} else {
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String state = Host::StateToString(Host::CalculateState(static_cast<ServiceState>(state_after)));
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msgbuf << "HOST ALERT: "
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<< host->GetName() << ";"
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<< GetHostStateString(host) << ";"
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<< Host::StateTypeToString(host->GetStateType()) << ";"
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<< attempt_after << ";"
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<< output << ""
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<< "";
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}
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{
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ObjectLock olock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::TriggerDowntimeHandler(const Downtime::Ptr& downtime)
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{
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(downtime->GetCheckable());
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if (!downtime)
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return;
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE DOWNTIME ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< "STARTED" << "; "
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<< "Checkable has entered a period of scheduled downtime."
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<< "";
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} else {
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msgbuf << "HOST DOWNTIME ALERT: "
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<< host->GetName() << ";"
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<< "STARTED" << "; "
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<< "Checkable has entered a period of scheduled downtime."
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<< "";
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}
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::RemoveDowntimeHandler(const Downtime::Ptr& downtime)
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{
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Host::Ptr host;
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Service::Ptr service;
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tie(host, service) = GetHostService(downtime->GetCheckable());
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if (!downtime)
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return;
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String downtime_output;
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String downtime_state_str;
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if (downtime->GetWasCancelled()) {
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downtime_output = "Scheduled downtime for service has been cancelled.";
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downtime_state_str = "CANCELLED";
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} else {
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downtime_output = "Checkable has exited from a period of scheduled downtime.";
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downtime_state_str = "STOPPED";
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}
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE DOWNTIME ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< downtime_state_str << "; "
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<< downtime_output
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<< "";
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} else {
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msgbuf << "HOST DOWNTIME ALERT: "
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<< host->GetName() << ";"
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<< downtime_state_str << "; "
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<< downtime_output
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<< "";
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}
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::NotificationSentHandler(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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{
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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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String notification_type_str = Notification::NotificationTypeToStringCompat(notification_type);
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/* override problem notifications with their current state string */
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if (notification_type == NotificationProblem) {
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if (service)
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notification_type_str = Service::StateToString(service->GetState());
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else
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notification_type_str = GetHostStateString(host);
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}
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String author_comment = "";
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if (notification_type == NotificationCustom || notification_type == NotificationAcknowledgement) {
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author_comment = author + ";" + comment_text;
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}
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if (!cr)
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return;
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String output;
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if (cr)
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output = CompatUtility::GetCheckResultOutput(cr);
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE NOTIFICATION: "
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<< user->GetName() << ";"
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< notification_type_str << ";"
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<< command_name << ";"
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<< output << ";"
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<< author_comment
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<< "";
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} else {
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msgbuf << "HOST NOTIFICATION: "
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<< user->GetName() << ";"
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<< host->GetName() << ";"
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<< notification_type_str << " "
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<< "(" << GetHostStateString(host) << ");"
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<< command_name << ";"
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<< output << ";"
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<< author_comment
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<< "";
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}
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::FlappingChangedHandler(const Checkable::Ptr& checkable)
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{
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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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String flapping_state_str;
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String flapping_output;
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if (checkable->IsFlapping()) {
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flapping_output = "Checkable appears to have started flapping (" + Convert::ToString(checkable->GetFlappingCurrent()) + "% change >= " + Convert::ToString(checkable->GetFlappingThresholdHigh()) + "% threshold)";
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flapping_state_str = "STARTED";
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} else {
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flapping_output = "Checkable appears to have stopped flapping (" + Convert::ToString(checkable->GetFlappingCurrent()) + "% change < " + Convert::ToString(checkable->GetFlappingThresholdLow()) + "% threshold)";
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flapping_state_str = "STOPPED";
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}
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE FLAPPING ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< flapping_state_str << "; "
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<< flapping_output
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<< "";
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} else {
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msgbuf << "HOST FLAPPING ALERT: "
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<< host->GetName() << ";"
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<< flapping_state_str << "; "
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<< flapping_output
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<< "";
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}
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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void CompatLogger::EnableFlappingChangedHandler(const Checkable::Ptr& checkable)
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{
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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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if (checkable->GetEnableFlapping())
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return;
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String flapping_output = "Flap detection has been disabled";
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String flapping_state_str = "DISABLED";
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE FLAPPING ALERT: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< flapping_state_str << "; "
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<< flapping_output
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<< "";
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} else {
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msgbuf << "HOST FLAPPING ALERT: "
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<< host->GetName() << ";"
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<< flapping_state_str << "; "
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<< flapping_output
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<< "";
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}
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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void CompatLogger::ExternalCommandHandler(const String& command, const std::vector<String>& arguments)
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{
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std::ostringstream msgbuf;
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msgbuf << "EXTERNAL COMMAND: "
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<< command << ";"
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<< boost::algorithm::join(arguments, ";")
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<< "";
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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void CompatLogger::EventCommandHandler(const Checkable::Ptr& checkable)
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{
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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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EventCommand::Ptr event_command = checkable->GetEventCommand();
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String event_command_name = event_command->GetName();
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long current_attempt = checkable->GetCheckAttempt();
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std::ostringstream msgbuf;
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if (service) {
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msgbuf << "SERVICE EVENT HANDLER: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< Service::StateToString(service->GetState()) << ";"
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<< Service::StateTypeToString(service->GetStateType()) << ";"
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<< current_attempt << ";"
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<< event_command_name;
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} else {
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msgbuf << "HOST EVENT HANDLER: "
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<< host->GetName() << ";"
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<< GetHostStateString(host) << ";"
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<< Host::StateTypeToString(host->GetStateType()) << ";"
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<< current_attempt << ";"
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<< event_command_name;
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}
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{
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ObjectLock oLock(this);
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WriteLine(msgbuf.str());
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Flush();
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}
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}
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String CompatLogger::GetHostStateString(const Host::Ptr& host)
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{
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if (host->GetState() != HostUp && !host->IsReachable())
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return "UNREACHABLE"; /* hardcoded compat state */
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return Host::StateToString(host->GetState());
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}
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void CompatLogger::WriteLine(const String& line)
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{
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ASSERT(OwnsLock());
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if (!m_OutputFile.good())
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return;
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m_OutputFile << "[" << (long)Utility::GetTime() << "] " << line << "\n";
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}
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void CompatLogger::Flush()
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{
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ASSERT(OwnsLock());
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if (!m_OutputFile.good())
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return;
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m_OutputFile << std::flush;
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}
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/**
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* @threadsafety Always.
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*/
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void CompatLogger::ReopenFile(bool rotate)
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{
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ObjectLock olock(this);
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String tempFile = GetLogDir() + "/icinga.log";
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if (m_OutputFile) {
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m_OutputFile.close();
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if (rotate) {
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String archiveFile = GetLogDir() + "/archives/icinga-" + Utility::FormatDateTime("%m-%d-%Y-%H", Utility::GetTime()) + ".log";
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Log(LogNotice, "CompatLogger")
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<< "Rotating compat log file '" << tempFile << "' -> '" << archiveFile << "'";
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(void) rename(tempFile.CStr(), archiveFile.CStr());
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}
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}
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m_OutputFile.open(tempFile.CStr(), std::ofstream::app);
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if (!m_OutputFile) {
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Log(LogWarning, "CompatLogger")
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<< "Could not open compat log file '" << tempFile << "' for writing. Log output will be lost.";
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return;
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}
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WriteLine("LOG ROTATION: " + GetRotationMethod());
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WriteLine("LOG VERSION: 2.0");
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for (const Host::Ptr& host : ConfigType::GetObjectsByType<Host>()) {
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String output;
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CheckResult::Ptr cr = host->GetLastCheckResult();
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if (cr)
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output = CompatUtility::GetCheckResultOutput(cr);
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std::ostringstream msgbuf;
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msgbuf << "CURRENT HOST STATE: "
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<< host->GetName() << ";"
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<< GetHostStateString(host) << ";"
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<< Host::StateTypeToString(host->GetStateType()) << ";"
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<< host->GetCheckAttempt() << ";"
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<< output << "";
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WriteLine(msgbuf.str());
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}
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for (const Service::Ptr& service : ConfigType::GetObjectsByType<Service>()) {
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Host::Ptr host = service->GetHost();
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String output;
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CheckResult::Ptr cr = service->GetLastCheckResult();
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if (cr)
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output = CompatUtility::GetCheckResultOutput(cr);
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std::ostringstream msgbuf;
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msgbuf << "CURRENT SERVICE STATE: "
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<< host->GetName() << ";"
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<< service->GetShortName() << ";"
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<< Service::StateToString(service->GetState()) << ";"
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<< Service::StateTypeToString(service->GetStateType()) << ";"
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<< service->GetCheckAttempt() << ";"
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<< output << "";
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WriteLine(msgbuf.str());
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}
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Flush();
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}
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void CompatLogger::ScheduleNextRotation()
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{
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auto now = (time_t)Utility::GetTime();
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String method = GetRotationMethod();
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tm tmthen;
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#ifdef _MSC_VER
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tm *temp = localtime(&now);
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if (!temp) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("localtime")
|
|
<< boost::errinfo_errno(errno));
|
|
}
|
|
|
|
tmthen = *temp;
|
|
#else /* _MSC_VER */
|
|
if (!localtime_r(&now, &tmthen)) {
|
|
BOOST_THROW_EXCEPTION(posix_error()
|
|
<< boost::errinfo_api_function("localtime_r")
|
|
<< boost::errinfo_errno(errno));
|
|
}
|
|
#endif /* _MSC_VER */
|
|
|
|
tmthen.tm_min = 0;
|
|
tmthen.tm_sec = 0;
|
|
|
|
if (method == "HOURLY") {
|
|
tmthen.tm_hour++;
|
|
} else if (method == "DAILY") {
|
|
tmthen.tm_mday++;
|
|
tmthen.tm_hour = 0;
|
|
} else if (method == "WEEKLY") {
|
|
tmthen.tm_mday += 7 - tmthen.tm_wday;
|
|
tmthen.tm_hour = 0;
|
|
} else if (method == "MONTHLY") {
|
|
tmthen.tm_mon++;
|
|
tmthen.tm_mday = 1;
|
|
tmthen.tm_hour = 0;
|
|
}
|
|
|
|
time_t ts = mktime(&tmthen);
|
|
|
|
Log(LogNotice, "CompatLogger")
|
|
<< "Rescheduling rotation timer for compat log '"
|
|
<< GetName() << "' to '" << Utility::FormatDateTime("%Y/%m/%d %H:%M:%S %z", ts) << "'";
|
|
|
|
m_RotationTimer->Reschedule(ts);
|
|
}
|
|
|
|
/**
|
|
* @threadsafety Always.
|
|
*/
|
|
void CompatLogger::RotationTimerHandler()
|
|
{
|
|
try {
|
|
ReopenFile(true);
|
|
} catch (...) {
|
|
ScheduleNextRotation();
|
|
|
|
throw;
|
|
}
|
|
|
|
ScheduleNextRotation();
|
|
}
|
|
|
|
void CompatLogger::ValidateRotationMethod(const Lazy<String>& lvalue, const ValidationUtils& utils)
|
|
{
|
|
ObjectImpl<CompatLogger>::ValidateRotationMethod(lvalue, utils);
|
|
|
|
if (lvalue() != "HOURLY" && lvalue() != "DAILY" &&
|
|
lvalue() != "WEEKLY" && lvalue() != "MONTHLY" && lvalue() != "NONE") {
|
|
BOOST_THROW_EXCEPTION(ValidationError(this, { "rotation_method" }, "Rotation method '" + lvalue() + "' is invalid."));
|
|
}
|
|
}
|