mirror of https://github.com/Icinga/icinga2.git
577 lines
16 KiB
C++
577 lines
16 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "compat/compatlogger.hpp"
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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 "config/configcompilercontext.hpp"
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#include "base/dynamictype.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/scriptfunction.hpp"
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#include "base/statsfunction.hpp"
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#include <boost/foreach.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_SCRIPTFUNCTION(ValidateRotationMethod, &CompatLogger::ValidateRotationMethod);
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REGISTER_STATSFUNCTION(CompatLoggerStats, &CompatLogger::StatsFunc);
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Value CompatLogger::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr&)
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{
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Dictionary::Ptr nodes = make_shared<Dictionary>();
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BOOST_FOREACH(const CompatLogger::Ptr& compat_logger, DynamicType::GetObjectsByType<CompatLogger>()) {
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nodes->Set(compat_logger->GetName(), 1); //add more stats
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}
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status->Set("compatlogger", nodes);
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return 0;
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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(void)
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{
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DynamicObject::Start();
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Checkable::OnNewCheckResult.connect(bind(&CompatLogger::CheckResultHandler, this, _1, _2));
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Checkable::OnNotificationSentToUser.connect(bind(&CompatLogger::NotificationSentHandler, this, _1, _2, _3, _4, _5, _6, _7, _8));
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Checkable::OnFlappingChanged.connect(bind(&CompatLogger::FlappingHandler, this, _1, _2));
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Checkable::OnDowntimeTriggered.connect(boost::bind(&CompatLogger::TriggerDowntimeHandler, this, _1, _2));
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Checkable::OnDowntimeRemoved.connect(boost::bind(&CompatLogger::RemoveDowntimeHandler, this, _1, _2));
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Checkable::OnEventCommandExecuted.connect(bind(&CompatLogger::EventCommandHandler, this, _1));
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ExternalCommandProcessor::OnNewExternalCommand.connect(boost::bind(&CompatLogger::ExternalCommandHandler, this, _2, _3));
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m_RotationTimer = make_shared<Timer>();
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m_RotationTimer->OnTimerExpired.connect(boost::bind(&CompatLogger::RotationTimerHandler, this));
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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::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(static_cast<ServiceState>(state_after)) << ";"
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<< Service::StateTypeToString(static_cast<StateType>(stateType_after)) << ";"
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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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if (!reachable_after)
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state = "UNREACHABLE";
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msgbuf << "HOST ALERT: "
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<< host->GetName() << ";"
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<< state << ";"
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<< Host::StateTypeToString(static_cast<StateType>(stateType_after)) << ";"
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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 Checkable::Ptr& checkable, 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(checkable);
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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 Checkable::Ptr& checkable, 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(checkable);
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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::NotificationTypeToString(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 = host->IsReachable() ? Host::StateToString(host->GetState()) : "UNREACHABLE";
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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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<< "(" << (host->IsReachable() ? Host::StateToString(host->GetState()) : "UNREACHABLE") << ");"
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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::FlappingHandler(const Checkable::Ptr& checkable, FlappingState flapping_state)
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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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switch (flapping_state) {
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case FlappingStarted:
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flapping_output = "Checkable appears to have started flapping (" + Convert::ToString(checkable->GetFlappingCurrent()) + "% change >= " + Convert::ToString(checkable->GetFlappingThreshold()) + "% threshold)";
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flapping_state_str = "STARTED";
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break;
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case FlappingStopped:
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flapping_output = "Checkable appears to have stopped flapping (" + Convert::ToString(checkable->GetFlappingCurrent()) + "% change < " + Convert::ToString(checkable->GetFlappingThreshold()) + "% threshold)";
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flapping_state_str = "STOPPED";
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break;
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case FlappingDisabled:
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flapping_output = "Flap detection has been disabled";
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flapping_state_str = "DISABLED";
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break;
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default:
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Log(LogCritical, "CompatLogger")
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<< "Unknown flapping state: " << flapping_state;
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return;
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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::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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}
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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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<< (host->IsReachable() ? Host::StateToString(host->GetState()) : "UNREACHABLE") << ";"
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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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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(void)
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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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BOOST_FOREACH(const Host::Ptr& host, DynamicType::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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<< (host->IsReachable() ? Host::StateToString(host->GetState()) : "UNREACHABLE") << ";"
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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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BOOST_FOREACH(const Service::Ptr& service, DynamicType::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(void)
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{
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time_t 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 == NULL) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("localtime")
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<< boost::errinfo_errno(errno));
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}
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tmthen = *temp;
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#else /* _MSC_VER */
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if (localtime_r(&now, &tmthen) == NULL) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("localtime_r")
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<< boost::errinfo_errno(errno));
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}
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#endif /* _MSC_VER */
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tmthen.tm_min = 0;
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tmthen.tm_sec = 0;
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if (method == "HOURLY") {
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tmthen.tm_hour++;
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} else if (method == "DAILY") {
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tmthen.tm_mday++;
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tmthen.tm_hour = 0;
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} else if (method == "WEEKLY") {
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tmthen.tm_mday += 7 - tmthen.tm_wday;
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tmthen.tm_hour = 0;
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} else if (method == "MONTHLY") {
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tmthen.tm_mon++;
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tmthen.tm_mday = 1;
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tmthen.tm_hour = 0;
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}
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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(void)
|
|
{
|
|
try {
|
|
ReopenFile(true);
|
|
} catch (...) {
|
|
ScheduleNextRotation();
|
|
|
|
throw;
|
|
}
|
|
|
|
ScheduleNextRotation();
|
|
}
|
|
|
|
void CompatLogger::ValidateRotationMethod(const String& location, const Dictionary::Ptr& attrs)
|
|
{
|
|
Value rotation_method = attrs->Get("rotation_method");
|
|
|
|
if (!rotation_method.IsEmpty() && rotation_method != "HOURLY" && rotation_method != "DAILY" &&
|
|
rotation_method != "WEEKLY" && rotation_method != "MONTHLY" && rotation_method != "NONE") {
|
|
ConfigCompilerContext::GetInstance()->AddMessage(true, "Validation failed for " +
|
|
location + ": Rotation method '" + rotation_method + "' is invalid.");
|
|
}
|
|
}
|
|
|